1993-12-06 18:12:23 +01:00
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/* Read a symbol table in ECOFF format (Third-Eye).
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1997-09-13 17:34:44 +02:00
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Copyright 1986, 87, 89, 90, 91, 92, 93, 94, 95, 96, 1997
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1994-01-31 17:23:48 +01:00
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Free Software Foundation, Inc.
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1993-12-06 18:12:23 +01:00
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Original version contributed by Alessandro Forin (af@cs.cmu.edu) at
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CMU. Major work by Per Bothner, John Gilmore and Ian Lance Taylor
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at Cygnus Support.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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1995-08-02 05:41:12 +02:00
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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1993-12-06 18:12:23 +01:00
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/* This module provides the function mdebug_build_psymtabs. It reads
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ECOFF debugging information into partial symbol tables. The
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debugging information is read from two structures. A struct
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ecoff_debug_swap includes the sizes of each ECOFF structure and
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swapping routines; these are fixed for a particular target. A
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struct ecoff_debug_info points to the debugging information for a
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particular object file.
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ECOFF symbol tables are mostly written in the byte order of the
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target machine. However, one section of the table (the auxiliary
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symbol information) is written in the host byte order. There is a
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bit in the other symbol info which describes which host byte order
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was used. ECOFF thereby takes the trophy from Intel `b.out' for
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the most brain-dead adaptation of a file format to byte order.
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This module can read all four of the known byte-order combinations,
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on any type of host. */
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#include "defs.h"
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#include "symtab.h"
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#include "gdbtypes.h"
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#include "gdbcore.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "obstack.h"
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#include "buildsym.h"
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#include "stabsread.h"
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#include "complaints.h"
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1996-04-06 12:19:19 +02:00
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#include "demangle.h"
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1993-12-06 18:12:23 +01:00
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/* These are needed if the tm.h file does not contain the necessary
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mips specific definitions. */
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#ifndef MIPS_EFI_SYMBOL_NAME
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#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
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1996-08-01 19:30:37 +02:00
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extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
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1993-12-06 18:12:23 +01:00
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#include "coff/sym.h"
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#include "coff/symconst.h"
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typedef struct mips_extra_func_info {
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long numargs;
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PDR pdr;
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} *mips_extra_func_info_t;
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#ifndef RA_REGNUM
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#define RA_REGNUM 0
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#endif
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#endif
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#ifdef USG
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#include <sys/types.h>
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#endif
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* configure.in: Check for working mmap, ansi headers, string.h,
strings.h, and memory.h.
* configure: Regenerated.
* gdb_stat.h: New file, "portable" <sys/stat.h>.
* gdb_string.h: New file, "portable" <string.h>.
* altos-xdep.c, arm-tdep.c, arm-xdep.c, convex-tdep.c,
convex-xdep.c, coredep.c, cxux-nat.c, dbxread.c, exec.c,
gould-xdep.c, hppa-tdep.c, i386aix-nat.c, i386b-nat.c,
i386mach-nat.c, i386v-nat.c, infptrace.c, m88k-nat.c, main.c,
mdebugread.c, objfiles.c, os9kread.c, procfs.c, pyr-xdep.c,
rs6000-nat.c, source.c, standalone.c, stuff.c, sun386-nat.c,
symfile.c, symm-nat.c, symm-tdep.c, symtab.c, top.c, ultra3-nat.c,
ultra3-xdep.c, umax-xdep.c, xcoffread.c: Include "gdb_stat.h"
instead of <sys/stat.h>.
* alpha-tdep.c, breakpoint.c, buildsym.c, c-typeprint.c,
ch-typeprint.c, coffread.c, command.c, core-sol2.c, core-svr4.c,
core.c, corelow.c, cp-valprint.c, dbxread.c, dcache.c, demangle.c,
dpx2-nat.c, dstread.c, dwarfread.c, elfread.c, environ.c, eval.c,
exec.c, f-lang.c, f-typeprint.c, f-valprint.c, findvar.c,
fork-child.c, gdbtypes.c, hpread.c, i386-tdep.c, infcmd.c,
inflow.c, infptrace.c, infrun.c, irix5-nat.c, language.c,
m2-typeprint.c, main.c, mdebugread.c, minsyms.c, mipsread.c,
monitor.c, nlmread.c, objfiles.c, os9kread.c, osfsolib.c, parse.c,
printcmd.c, procfs.c, regex.c, remote-adapt.c, remote-arc.c,
remote-array.c, remote-bug.c, remote-e7000.c, remote-eb.c,
remote-es.c, remote-hms.c, remote-mm.c, remote-os9k.c,
remote-pa.c, remote-sim.c, remote-st.c, remote-udi.c,
remote-utils.c, remote-vx.c, remote-vx29k.c, remote-vx68.c,
remote-vx960.c, remote-vxmips.c, remote-vxsparc.c, remote.c,
solib.c, somread.c, source.c, stabsread.c, stack.c, symfile.c,
symmisc.c, symtab.c, target.c, top.c, typeprint.c, utils.c,
valarith.c, valops.c, valprint.c, values.c, xcoffread.c: Include
"gdb_string.h" instead of <string.h>.
* gdbtk.c: Likewise.
* config/xm-sysv4.h, i386/xm-ptx.h, m68k/xm-sun3os4.h,
sparc/xm-sun4os4.h (HAVE_MMAP): Removed.
* config/xm-lynx.h, config/i386/xm-ptx.h,
config/m68k/nm-apollo68b.h, config/m68k/xm-hp300hpux.h,
config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/mips/xm-news-mips.h, config/mips/xm-riscos.h,
config/pa/hppah.h, config/rs6000/xm-rs6000.h,
config/sparc/xm-sun4os4.h, config/sparc/xm-sun4sol2.h,
config/vax/xm-vaxbsd.h, config/vax/xm-vaxult.h,
config/vax/xm-vaxult2.h (MEM_FNS_DECLARED): Removed.
* config/mips/xm-irix3.h, config/mips/xm-mips.h,
config/pa/xm-hppah.h (memcpy, memset): Removed declarations.
1995-08-01 22:14:27 +02:00
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#include "gdb_stat.h"
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#include "gdb_string.h"
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1993-12-06 18:12:23 +01:00
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#include "gdb-stabs.h"
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#include "bfd.h"
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#include "coff/ecoff.h" /* COFF-like aspects of ecoff files */
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#include "libaout.h" /* Private BFD a.out information. */
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#include "aout/aout64.h"
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#include "aout/stab_gnu.h" /* STABS information */
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#include "expression.h"
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#include "language.h" /* Needed inside partial-stab.h */
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/* Provide a default mapping from a ecoff register number to a gdb REGNUM. */
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#ifndef ECOFF_REG_TO_REGNUM
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#define ECOFF_REG_TO_REGNUM(num) (num)
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#endif
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1995-04-21 15:19:22 +02:00
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1995-05-13 23:00:17 +02:00
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/* We put a pointer to this structure in the read_symtab_private field
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of the psymtab. */
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1993-12-06 18:12:23 +01:00
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struct symloc
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{
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1995-04-21 15:19:22 +02:00
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/* Index of the FDR that this psymtab represents. */
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1993-12-06 18:12:23 +01:00
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int fdr_idx;
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1995-04-21 15:19:22 +02:00
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/* The BFD that the psymtab was created from. */
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1993-12-06 18:12:23 +01:00
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bfd *cur_bfd;
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const struct ecoff_debug_swap *debug_swap;
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struct ecoff_debug_info *debug_info;
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struct mdebug_pending **pending_list;
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1995-04-21 15:19:22 +02:00
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/* Pointer to external symbols for this file. */
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EXTR *extern_tab;
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/* Size of extern_tab. */
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int extern_count;
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1993-12-06 18:12:23 +01:00
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enum language pst_language;
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};
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1995-04-21 15:19:22 +02:00
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#define PST_PRIVATE(p) ((struct symloc *)(p)->read_symtab_private)
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#define FDR_IDX(p) (PST_PRIVATE(p)->fdr_idx)
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#define CUR_BFD(p) (PST_PRIVATE(p)->cur_bfd)
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#define DEBUG_SWAP(p) (PST_PRIVATE(p)->debug_swap)
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#define DEBUG_INFO(p) (PST_PRIVATE(p)->debug_info)
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#define PENDING_LIST(p) (PST_PRIVATE(p)->pending_list)
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1993-12-06 18:12:23 +01:00
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/* Things we import explicitly from other modules */
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extern int info_verbose;
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/* Various complaints about symbol reading that don't abort the process */
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static struct complaint bad_file_number_complaint =
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{"bad file number %d", 0, 0};
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static struct complaint index_complaint =
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{"bad aux index at symbol %s", 0, 0};
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static struct complaint aux_index_complaint =
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{"bad proc end in aux found from symbol %s", 0, 0};
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static struct complaint block_index_complaint =
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{"bad aux index at block symbol %s", 0, 0};
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static struct complaint unknown_ext_complaint =
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{"unknown external symbol %s", 0, 0};
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static struct complaint unknown_sym_complaint =
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{"unknown local symbol %s", 0, 0};
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static struct complaint unknown_st_complaint =
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{"with type %d", 0, 0};
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static struct complaint block_overflow_complaint =
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{"block containing %s overfilled", 0, 0};
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static struct complaint basic_type_complaint =
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{"cannot map ECOFF basic type 0x%x for %s", 0, 0};
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static struct complaint unknown_type_qual_complaint =
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{"unknown type qualifier 0x%x", 0, 0};
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static struct complaint array_index_type_complaint =
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{"illegal array index type for %s, assuming int", 0, 0};
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static struct complaint bad_tag_guess_complaint =
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{"guessed tag type of %s incorrectly", 0, 0};
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static struct complaint block_member_complaint =
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{"declaration block contains unhandled symbol type %d", 0, 0};
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static struct complaint stEnd_complaint =
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{"stEnd with storage class %d not handled", 0, 0};
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static struct complaint unknown_mdebug_symtype_complaint =
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{"unknown symbol type 0x%x", 0, 0};
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static struct complaint stab_unknown_complaint =
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{"unknown stabs symbol %s", 0, 0};
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static struct complaint pdr_for_nonsymbol_complaint =
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{"PDR for %s, but no symbol", 0, 0};
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static struct complaint pdr_static_symbol_complaint =
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{"can't handle PDR for static proc at 0x%lx", 0, 0};
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static struct complaint bad_setjmp_pdr_complaint =
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{"fixing bad setjmp PDR from libc", 0, 0};
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static struct complaint bad_fbitfield_complaint =
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{"can't handle TIR fBitfield for %s", 0, 0};
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static struct complaint bad_continued_complaint =
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{"illegal TIR continued for %s", 0, 0};
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static struct complaint bad_rfd_entry_complaint =
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{"bad rfd entry for %s: file %d, index %d", 0, 0};
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static struct complaint unexpected_type_code_complaint =
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{"unexpected type code for %s", 0, 0};
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static struct complaint unable_to_cross_ref_complaint =
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{"unable to cross ref btTypedef for %s", 0, 0};
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1995-08-26 09:35:13 +02:00
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static struct complaint bad_indirect_xref_complaint =
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{"unable to cross ref btIndirect for %s", 0, 0};
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1993-12-06 18:12:23 +01:00
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static struct complaint illegal_forward_tq0_complaint =
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{"illegal tq0 in forward typedef for %s", 0, 0};
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static struct complaint illegal_forward_bt_complaint =
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{"illegal bt %d in forward typedef for %s", 0, 0};
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static struct complaint bad_linetable_guess_complaint =
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{"guessed size of linetable for %s incorrectly", 0, 0};
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static struct complaint bad_ext_ifd_complaint =
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{"bad ifd for external symbol: %d (max %d)", 0, 0};
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static struct complaint bad_ext_iss_complaint =
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{"bad iss for external symbol: %ld (max %ld)", 0, 0};
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/* Macros and extra defs */
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/* Puns: hard to find whether -g was used and how */
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#define MIN_GLEVEL GLEVEL_0
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#define compare_glevel(a,b) \
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(((a) == GLEVEL_3) ? ((b) < GLEVEL_3) : \
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((b) == GLEVEL_3) ? -1 : (int)((b) - (a)))
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/* Things that really are local to this module */
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/* Remember what we deduced to be the source language of this psymtab. */
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static enum language psymtab_language = language_unknown;
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/* Current BFD. */
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static bfd *cur_bfd;
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/* How to parse debugging information for CUR_BFD. */
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static const struct ecoff_debug_swap *debug_swap;
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/* Pointers to debugging information for CUR_BFD. */
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static struct ecoff_debug_info *debug_info;
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/* Pointer to current file decriptor record, and its index */
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static FDR *cur_fdr;
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static int cur_fd;
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/* Index of current symbol */
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static int cur_sdx;
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/* Note how much "debuggable" this image is. We would like
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to see at least one FDR with full symbols */
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Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
static int max_gdbinfo;
|
|
|
|
|
static int max_glevel;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* When examining .o files, report on undefined symbols */
|
|
|
|
|
|
|
|
|
|
static int n_undef_symbols, n_undef_labels, n_undef_vars, n_undef_procs;
|
|
|
|
|
|
|
|
|
|
/* Pseudo symbol to use when putting stabs into the symbol table. */
|
|
|
|
|
|
|
|
|
|
static char stabs_symbol[] = STABS_SYMBOL;
|
|
|
|
|
|
1995-07-20 07:52:42 +02:00
|
|
|
|
/* Types corresponding to mdebug format bt* basic types. */
|
|
|
|
|
|
|
|
|
|
static struct type *mdebug_type_void;
|
|
|
|
|
static struct type *mdebug_type_char;
|
|
|
|
|
static struct type *mdebug_type_short;
|
|
|
|
|
static struct type *mdebug_type_int_32;
|
|
|
|
|
#define mdebug_type_int mdebug_type_int_32
|
|
|
|
|
static struct type *mdebug_type_int_64;
|
|
|
|
|
static struct type *mdebug_type_long_32;
|
|
|
|
|
static struct type *mdebug_type_long_64;
|
|
|
|
|
static struct type *mdebug_type_long_long_64;
|
|
|
|
|
static struct type *mdebug_type_unsigned_char;
|
|
|
|
|
static struct type *mdebug_type_unsigned_short;
|
|
|
|
|
static struct type *mdebug_type_unsigned_int_32;
|
|
|
|
|
static struct type *mdebug_type_unsigned_int_64;
|
|
|
|
|
static struct type *mdebug_type_unsigned_long_32;
|
|
|
|
|
static struct type *mdebug_type_unsigned_long_64;
|
|
|
|
|
static struct type *mdebug_type_unsigned_long_long_64;
|
|
|
|
|
static struct type *mdebug_type_adr_32;
|
|
|
|
|
static struct type *mdebug_type_adr_64;
|
|
|
|
|
static struct type *mdebug_type_float;
|
|
|
|
|
static struct type *mdebug_type_double;
|
|
|
|
|
static struct type *mdebug_type_complex;
|
|
|
|
|
static struct type *mdebug_type_double_complex;
|
1993-12-25 19:04:33 +01:00
|
|
|
|
static struct type *mdebug_type_fixed_dec;
|
|
|
|
|
static struct type *mdebug_type_float_dec;
|
|
|
|
|
static struct type *mdebug_type_string;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
1995-04-08 11:59:02 +02:00
|
|
|
|
/* Types for symbols from files compiled without debugging info. */
|
|
|
|
|
|
|
|
|
|
static struct type *nodebug_func_symbol_type;
|
|
|
|
|
static struct type *nodebug_var_symbol_type;
|
|
|
|
|
|
|
|
|
|
/* Nonzero if we have seen ecoff debugging info for a file. */
|
|
|
|
|
|
|
|
|
|
static int found_ecoff_debugging_info;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Forward declarations */
|
|
|
|
|
|
1996-07-26 05:01:51 +02:00
|
|
|
|
static void
|
|
|
|
|
add_pending PARAMS ((FDR *, char *, struct type *));
|
|
|
|
|
|
|
|
|
|
static struct mdebug_pending *
|
|
|
|
|
is_pending_symbol PARAMS ((FDR *, char *));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
pop_parse_stack PARAMS ((void));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
push_parse_stack PARAMS ((void));
|
|
|
|
|
|
|
|
|
|
static char *
|
|
|
|
|
fdr_name PARAMS ((FDR *));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
mdebug_psymtab_to_symtab PARAMS ((struct partial_symtab *));
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
static int
|
|
|
|
|
upgrade_type PARAMS ((int, struct type **, int, union aux_ext *, int, char *));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
parse_partial_symbols PARAMS ((struct objfile *,
|
|
|
|
|
struct section_offsets *));
|
|
|
|
|
|
|
|
|
|
static FDR
|
|
|
|
|
*get_rfd PARAMS ((int, int));
|
|
|
|
|
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
static int
|
|
|
|
|
has_opaque_xref PARAMS ((FDR *, SYMR *));
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
static int
|
|
|
|
|
cross_ref PARAMS ((int, union aux_ext *, struct type **, enum type_code,
|
|
|
|
|
char **, int, char *));
|
|
|
|
|
|
|
|
|
|
static struct symbol *
|
|
|
|
|
new_symbol PARAMS ((char *));
|
|
|
|
|
|
|
|
|
|
static struct type *
|
|
|
|
|
new_type PARAMS ((char *));
|
|
|
|
|
|
|
|
|
|
static struct block *
|
|
|
|
|
new_block PARAMS ((int));
|
|
|
|
|
|
|
|
|
|
static struct symtab *
|
|
|
|
|
new_symtab PARAMS ((char *, int, int, struct objfile *));
|
|
|
|
|
|
|
|
|
|
static struct linetable *
|
|
|
|
|
new_linetable PARAMS ((int));
|
|
|
|
|
|
|
|
|
|
static struct blockvector *
|
|
|
|
|
new_bvect PARAMS ((int));
|
|
|
|
|
|
|
|
|
|
static int
|
1994-03-21 20:57:38 +01:00
|
|
|
|
parse_symbol PARAMS ((SYMR *, union aux_ext *, char *, int, struct section_offsets *));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
static struct type *
|
|
|
|
|
parse_type PARAMS ((int, union aux_ext *, unsigned int, int *, int, char *));
|
|
|
|
|
|
|
|
|
|
static struct symbol *
|
1996-01-04 20:07:28 +01:00
|
|
|
|
mylookup_symbol PARAMS ((char *, struct block *, namespace_enum,
|
1993-12-06 18:12:23 +01:00
|
|
|
|
enum address_class));
|
|
|
|
|
|
|
|
|
|
static struct block *
|
|
|
|
|
shrink_block PARAMS ((struct block *, struct symtab *));
|
|
|
|
|
|
|
|
|
|
static PTR
|
|
|
|
|
xzalloc PARAMS ((unsigned int));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
sort_blocks PARAMS ((struct symtab *));
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
compare_blocks PARAMS ((const void *, const void *));
|
|
|
|
|
|
|
|
|
|
static struct partial_symtab *
|
1994-02-19 12:24:36 +01:00
|
|
|
|
new_psymtab PARAMS ((char *, struct objfile *, struct section_offsets *));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
psymtab_to_symtab_1 PARAMS ((struct partial_symtab *, char *));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
add_block PARAMS ((struct block *, struct symtab *));
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
add_symbol PARAMS ((struct symbol *, struct block *));
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
add_line PARAMS ((struct linetable *, int, CORE_ADDR, int));
|
|
|
|
|
|
|
|
|
|
static struct linetable *
|
|
|
|
|
shrink_linetable PARAMS ((struct linetable *));
|
|
|
|
|
|
1994-02-19 12:24:36 +01:00
|
|
|
|
static void
|
1995-11-25 12:32:18 +01:00
|
|
|
|
handle_psymbol_enumerators PARAMS ((struct objfile *, FDR *, int, CORE_ADDR));
|
1994-02-19 12:24:36 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
static char *
|
* defs.h: Delete extraneous whitespace at end of file.
* symfile.h: Move #include of demangle.h outside conditional.
* objfiles.h (struct objstats, OBJSTAT, OBJSTATS): New struct
and macros to hold per-objfile statistics for internal instrumentation.
(struct objfile): Add OBJSTATS member, which is optional.
* buildsym.h (next_symbol_text_func): Now takes objfile argument.
Also update copyright to 1995.
* dbxread.c (dbx_next_symbol_text): Now takes objfile argument.
(dbx_symfile_init, coffstab_build_psymtabs, elfstab_build_psymtabs,
stabsect_build_psymtabs): Accumulate string table size.
(dbx_next_symbol_text, read_dbx_symtab, read_ofile_symtab):
Accumulate number of stabs symbols read.
* dwarfread.c (new_symbol, symthesize_typedef):
Accumulate number of full symbols created.
* gdbtypes.c (alloc_type): Accumulate number of types.
* maint.c (maintenance_print_statistics): New function.
* mdebugread.c (mdebug_next_symbol_text): Now takes objfile argument.
* minsyms.c (prim_record_minimal_symbol_and_info): Accumulate
number of minimal symbols read.
* os9kread.c (read_os9k_psymtab): next_symbol_text takes objfile arg.
* partial-stab.h: next_symbol_text takes objfile arg.
* stabsread.c (error_type, STABS_CONTINUE): Now takes objfile arg and
uses it to call next_symbol_text.
* symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list):
Accumulate number of partial symbols created.
* symfile.h (ADD_PSYMBOL_VT_TO_LIST): Accumulate number of partial
symbols created.
* symmisc.c (print_objfile_statistics): Print the per-objfile
internal instrumentation statistics gathered.
* xcoffread.c (xcoff_next_symbol_text): Now takes objfile argument.
1995-12-21 05:08:27 +01:00
|
|
|
|
mdebug_next_symbol_text PARAMS ((struct objfile *));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Address bounds for the signal trampoline in inferior, if any */
|
|
|
|
|
|
|
|
|
|
CORE_ADDR sigtramp_address, sigtramp_end;
|
|
|
|
|
|
|
|
|
|
/* Allocate zeroed memory */
|
|
|
|
|
|
|
|
|
|
static PTR
|
|
|
|
|
xzalloc (size)
|
|
|
|
|
unsigned int size;
|
|
|
|
|
{
|
|
|
|
|
PTR p = xmalloc (size);
|
|
|
|
|
|
|
|
|
|
memset (p, 0, size);
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Exported procedure: Builds a symtab from the PST partial one.
|
|
|
|
|
Restores the environment in effect when PST was created, delegates
|
|
|
|
|
most of the work to an ancillary procedure, and sorts
|
|
|
|
|
and reorders the symtab list at the end */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
mdebug_psymtab_to_symtab (pst)
|
|
|
|
|
struct partial_symtab *pst;
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
if (!pst)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
if (info_verbose)
|
|
|
|
|
{
|
|
|
|
|
printf_filtered ("Reading in symbols for %s...", pst->filename);
|
|
|
|
|
gdb_flush (gdb_stdout);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
next_symbol_text_func = mdebug_next_symbol_text;
|
|
|
|
|
|
|
|
|
|
psymtab_to_symtab_1 (pst, pst->filename);
|
|
|
|
|
|
|
|
|
|
/* Match with global symbols. This only needs to be done once,
|
|
|
|
|
after all of the symtabs and dependencies have been read in. */
|
|
|
|
|
scan_file_globals (pst->objfile);
|
|
|
|
|
|
|
|
|
|
if (info_verbose)
|
|
|
|
|
printf_filtered ("done.\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* File-level interface functions */
|
|
|
|
|
|
|
|
|
|
/* Find a file descriptor given its index RF relative to a file CF */
|
|
|
|
|
|
|
|
|
|
static FDR *
|
|
|
|
|
get_rfd (cf, rf)
|
|
|
|
|
int cf, rf;
|
|
|
|
|
{
|
|
|
|
|
FDR *fdrs;
|
|
|
|
|
register FDR *f;
|
|
|
|
|
RFDT rfd;
|
|
|
|
|
|
|
|
|
|
fdrs = debug_info->fdr;
|
|
|
|
|
f = fdrs + cf;
|
|
|
|
|
/* Object files do not have the RFD table, all refs are absolute */
|
|
|
|
|
if (f->rfdBase == 0)
|
|
|
|
|
return fdrs + rf;
|
|
|
|
|
(*debug_swap->swap_rfd_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_rfd
|
|
|
|
|
+ ((f->rfdBase + rf)
|
|
|
|
|
* debug_swap->external_rfd_size)),
|
|
|
|
|
&rfd);
|
|
|
|
|
return fdrs + rfd;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return a safer print NAME for a file descriptor */
|
|
|
|
|
|
|
|
|
|
static char *
|
|
|
|
|
fdr_name (f)
|
|
|
|
|
FDR *f;
|
|
|
|
|
{
|
|
|
|
|
if (f->rss == -1)
|
|
|
|
|
return "<stripped file>";
|
|
|
|
|
if (f->rss == 0)
|
|
|
|
|
return "<NFY>";
|
|
|
|
|
return debug_info->ss + f->issBase + f->rss;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Read in and parse the symtab of the file OBJFILE. Symbols from
|
|
|
|
|
different sections are relocated via the SECTION_OFFSETS. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
mdebug_build_psymtabs (objfile, swap, info, section_offsets)
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
const struct ecoff_debug_swap *swap;
|
|
|
|
|
struct ecoff_debug_info *info;
|
|
|
|
|
struct section_offsets *section_offsets;
|
|
|
|
|
{
|
|
|
|
|
cur_bfd = objfile->obfd;
|
|
|
|
|
debug_swap = swap;
|
|
|
|
|
debug_info = info;
|
|
|
|
|
|
|
|
|
|
/* Make sure all the FDR information is swapped in. */
|
|
|
|
|
if (info->fdr == (FDR *) NULL)
|
|
|
|
|
{
|
|
|
|
|
char *fdr_src;
|
|
|
|
|
char *fdr_end;
|
|
|
|
|
FDR *fdr_ptr;
|
|
|
|
|
|
|
|
|
|
info->fdr = (FDR *) obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
(info->symbolic_header.ifdMax
|
|
|
|
|
* sizeof (FDR)));
|
|
|
|
|
fdr_src = info->external_fdr;
|
|
|
|
|
fdr_end = (fdr_src
|
|
|
|
|
+ info->symbolic_header.ifdMax * swap->external_fdr_size);
|
|
|
|
|
fdr_ptr = info->fdr;
|
|
|
|
|
for (; fdr_src < fdr_end; fdr_src += swap->external_fdr_size, fdr_ptr++)
|
|
|
|
|
(*swap->swap_fdr_in) (objfile->obfd, fdr_src, fdr_ptr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
parse_partial_symbols (objfile, section_offsets);
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
/* Check to make sure file was compiled with -g. If not, warn the
|
|
|
|
|
user of this limitation. */
|
|
|
|
|
if (compare_glevel (max_glevel, GLEVEL_2) < 0)
|
|
|
|
|
{
|
|
|
|
|
if (max_gdbinfo == 0)
|
|
|
|
|
printf_unfiltered ("\n%s not compiled with -g, debugging support is limited.\n",
|
|
|
|
|
objfile->name);
|
|
|
|
|
printf_unfiltered ("You should compile with -g2 or -g3 for best debugging support.\n");
|
|
|
|
|
gdb_flush (gdb_stdout);
|
|
|
|
|
}
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Local utilities */
|
|
|
|
|
|
|
|
|
|
/* Map of FDR indexes to partial symtabs */
|
|
|
|
|
|
|
|
|
|
struct pst_map
|
|
|
|
|
{
|
|
|
|
|
struct partial_symtab *pst; /* the psymtab proper */
|
|
|
|
|
long n_globals; /* exported globals (external symbols) */
|
|
|
|
|
long globals_offset; /* cumulative */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Utility stack, used to nest procedures and blocks properly.
|
|
|
|
|
It is a doubly linked list, to avoid too many alloc/free.
|
|
|
|
|
Since we might need it quite a few times it is NOT deallocated
|
|
|
|
|
after use. */
|
|
|
|
|
|
|
|
|
|
static struct parse_stack
|
|
|
|
|
{
|
|
|
|
|
struct parse_stack *next, *prev;
|
|
|
|
|
struct symtab *cur_st; /* Current symtab. */
|
|
|
|
|
struct block *cur_block; /* Block in it. */
|
|
|
|
|
|
|
|
|
|
/* What are we parsing. stFile, or stBlock are for files and
|
|
|
|
|
blocks. stProc or stStaticProc means we have seen the start of a
|
|
|
|
|
procedure, but not the start of the block within in. When we see
|
|
|
|
|
the start of that block, we change it to stNil, without pushing a
|
|
|
|
|
new block, i.e. stNil means both a procedure and a block. */
|
|
|
|
|
|
|
|
|
|
int blocktype;
|
|
|
|
|
|
|
|
|
|
int maxsyms; /* Max symbols in this block. */
|
|
|
|
|
struct type *cur_type; /* Type we parse fields for. */
|
|
|
|
|
int cur_field; /* Field number in cur_type. */
|
|
|
|
|
CORE_ADDR procadr; /* Start addres of this procedure */
|
|
|
|
|
int numargs; /* Its argument count */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*top_stack; /* Top stack ptr */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Enter a new lexical context */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
push_parse_stack ()
|
|
|
|
|
{
|
|
|
|
|
struct parse_stack *new;
|
|
|
|
|
|
|
|
|
|
/* Reuse frames if possible */
|
|
|
|
|
if (top_stack && top_stack->prev)
|
|
|
|
|
new = top_stack->prev;
|
|
|
|
|
else
|
|
|
|
|
new = (struct parse_stack *) xzalloc (sizeof (struct parse_stack));
|
|
|
|
|
/* Initialize new frame with previous content */
|
|
|
|
|
if (top_stack)
|
|
|
|
|
{
|
|
|
|
|
register struct parse_stack *prev = new->prev;
|
|
|
|
|
|
|
|
|
|
*new = *top_stack;
|
|
|
|
|
top_stack->prev = new;
|
|
|
|
|
new->prev = prev;
|
|
|
|
|
new->next = top_stack;
|
|
|
|
|
}
|
|
|
|
|
top_stack = new;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Exit a lexical context */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
pop_parse_stack ()
|
|
|
|
|
{
|
|
|
|
|
if (!top_stack)
|
|
|
|
|
return;
|
|
|
|
|
if (top_stack->next)
|
|
|
|
|
top_stack = top_stack->next;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Cross-references might be to things we haven't looked at
|
|
|
|
|
yet, e.g. type references. To avoid too many type
|
|
|
|
|
duplications we keep a quick fixup table, an array
|
|
|
|
|
of lists of references indexed by file descriptor */
|
|
|
|
|
|
|
|
|
|
struct mdebug_pending
|
|
|
|
|
{
|
|
|
|
|
struct mdebug_pending *next; /* link */
|
|
|
|
|
char *s; /* the unswapped symbol */
|
|
|
|
|
struct type *t; /* its partial type descriptor */
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* The pending information is kept for an entire object file, and used
|
|
|
|
|
to be in the sym_private field. I took it out when I split
|
|
|
|
|
mdebugread from mipsread, because this might not be the only type
|
|
|
|
|
of symbols read from an object file. Instead, we allocate the
|
|
|
|
|
pending information table when we create the partial symbols, and
|
|
|
|
|
we store a pointer to the single table in each psymtab. */
|
|
|
|
|
|
|
|
|
|
static struct mdebug_pending **pending_list;
|
|
|
|
|
|
|
|
|
|
/* Check whether we already saw symbol SH in file FH */
|
|
|
|
|
|
|
|
|
|
static struct mdebug_pending *
|
|
|
|
|
is_pending_symbol (fh, sh)
|
|
|
|
|
FDR *fh;
|
|
|
|
|
char *sh;
|
|
|
|
|
{
|
|
|
|
|
int f_idx = fh - debug_info->fdr;
|
|
|
|
|
register struct mdebug_pending *p;
|
|
|
|
|
|
|
|
|
|
/* Linear search is ok, list is typically no more than 10 deep */
|
|
|
|
|
for (p = pending_list[f_idx]; p; p = p->next)
|
|
|
|
|
if (p->s == sh)
|
|
|
|
|
break;
|
|
|
|
|
return p;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Add a new symbol SH of type T */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
add_pending (fh, sh, t)
|
|
|
|
|
FDR *fh;
|
|
|
|
|
char *sh;
|
|
|
|
|
struct type *t;
|
|
|
|
|
{
|
|
|
|
|
int f_idx = fh - debug_info->fdr;
|
|
|
|
|
struct mdebug_pending *p = is_pending_symbol (fh, sh);
|
|
|
|
|
|
|
|
|
|
/* Make sure we do not make duplicates */
|
|
|
|
|
if (!p)
|
|
|
|
|
{
|
|
|
|
|
p = ((struct mdebug_pending *)
|
|
|
|
|
obstack_alloc (¤t_objfile->psymbol_obstack,
|
|
|
|
|
sizeof (struct mdebug_pending)));
|
|
|
|
|
p->s = sh;
|
|
|
|
|
p->t = t;
|
|
|
|
|
p->next = pending_list[f_idx];
|
|
|
|
|
pending_list[f_idx] = p;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Parsing Routines proper. */
|
|
|
|
|
|
|
|
|
|
/* Parse a single symbol. Mostly just make up a GDB symbol for it.
|
|
|
|
|
For blocks, procedures and types we open a new lexical context.
|
|
|
|
|
This is basically just a big switch on the symbol's type. Argument
|
|
|
|
|
AX is the base pointer of aux symbols for this file (fh->iauxBase).
|
|
|
|
|
EXT_SH points to the unswapped symbol, which is needed for struct,
|
|
|
|
|
union, etc., types; it is NULL for an EXTR. BIGEND says whether
|
|
|
|
|
aux symbols are big-endian or little-endian. Return count of
|
|
|
|
|
SYMR's handled (normally one). */
|
|
|
|
|
|
|
|
|
|
static int
|
1994-03-21 20:57:38 +01:00
|
|
|
|
parse_symbol (sh, ax, ext_sh, bigend, section_offsets)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMR *sh;
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
char *ext_sh;
|
|
|
|
|
int bigend;
|
1994-03-21 20:57:38 +01:00
|
|
|
|
struct section_offsets *section_offsets;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
|
|
|
|
|
void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *)) =
|
|
|
|
|
debug_swap->swap_sym_in;
|
|
|
|
|
char *name;
|
|
|
|
|
struct symbol *s;
|
|
|
|
|
struct block *b;
|
|
|
|
|
struct mdebug_pending *pend;
|
|
|
|
|
struct type *t;
|
|
|
|
|
struct field *f;
|
|
|
|
|
int count = 1;
|
|
|
|
|
enum address_class class;
|
|
|
|
|
TIR tir;
|
|
|
|
|
long svalue = sh->value;
|
|
|
|
|
int bitsize;
|
|
|
|
|
|
|
|
|
|
if (ext_sh == (char *) NULL)
|
|
|
|
|
name = debug_info->ssext + sh->iss;
|
|
|
|
|
else
|
|
|
|
|
name = debug_info->ss + cur_fdr->issBase + sh->iss;
|
|
|
|
|
|
1994-03-21 20:57:38 +01:00
|
|
|
|
switch (sh->sc)
|
|
|
|
|
{
|
|
|
|
|
case scText:
|
1996-11-02 12:59:19 +01:00
|
|
|
|
case scRConst:
|
1995-05-16 09:12:22 +02:00
|
|
|
|
/* Do not relocate relative values.
|
|
|
|
|
The value of a stEnd symbol is the displacement from the
|
|
|
|
|
corresponding start symbol value.
|
|
|
|
|
The value of a stBlock symbol is the displacement from the
|
|
|
|
|
procedure address. */
|
|
|
|
|
if (sh->st != stEnd && sh->st != stBlock)
|
1994-06-12 13:10:13 +02:00
|
|
|
|
sh->value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
1994-03-21 20:57:38 +01:00
|
|
|
|
break;
|
|
|
|
|
case scData:
|
1994-06-12 13:10:13 +02:00
|
|
|
|
case scSData:
|
|
|
|
|
case scRData:
|
|
|
|
|
case scPData:
|
|
|
|
|
case scXData:
|
1994-03-21 20:57:38 +01:00
|
|
|
|
sh->value += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
break;
|
|
|
|
|
case scBss:
|
1994-06-12 13:10:13 +02:00
|
|
|
|
case scSBss:
|
1994-03-21 20:57:38 +01:00
|
|
|
|
sh->value += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
switch (sh->st)
|
|
|
|
|
{
|
|
|
|
|
case stNil:
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stGlobal: /* external symbol, goes into global block */
|
|
|
|
|
class = LOC_STATIC;
|
|
|
|
|
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (top_stack->cur_st),
|
|
|
|
|
GLOBAL_BLOCK);
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_VALUE_ADDRESS (s) = (CORE_ADDR) sh->value;
|
|
|
|
|
goto data;
|
|
|
|
|
|
|
|
|
|
case stStatic: /* static data, goes into current block. */
|
|
|
|
|
class = LOC_STATIC;
|
|
|
|
|
b = top_stack->cur_block;
|
|
|
|
|
s = new_symbol (name);
|
1994-09-11 13:43:40 +02:00
|
|
|
|
if (sh->sc == scCommon || sh->sc == scSCommon)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
/* It is a FORTRAN common block. At least for SGI Fortran the
|
|
|
|
|
address is not in the symbol; we need to fix it later in
|
|
|
|
|
scan_file_globals. */
|
|
|
|
|
int bucket = hashname (SYMBOL_NAME (s));
|
|
|
|
|
SYMBOL_VALUE_CHAIN (s) = global_sym_chain[bucket];
|
|
|
|
|
global_sym_chain[bucket] = s;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
SYMBOL_VALUE_ADDRESS (s) = (CORE_ADDR) sh->value;
|
|
|
|
|
goto data;
|
|
|
|
|
|
|
|
|
|
case stLocal: /* local variable, goes into current block */
|
|
|
|
|
if (sh->sc == scRegister)
|
|
|
|
|
{
|
|
|
|
|
class = LOC_REGISTER;
|
|
|
|
|
svalue = ECOFF_REG_TO_REGNUM (svalue);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
class = LOC_LOCAL;
|
|
|
|
|
b = top_stack->cur_block;
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_VALUE (s) = svalue;
|
|
|
|
|
|
|
|
|
|
data: /* Common code for symbols describing data */
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = class;
|
|
|
|
|
add_symbol (s, b);
|
|
|
|
|
|
1995-04-08 11:59:02 +02:00
|
|
|
|
/* Type could be missing if file is compiled without debugging info. */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (sh->sc == scUndefined || sh->sc == scSUndefined
|
|
|
|
|
|| sh->sc == scNil || sh->index == indexNil)
|
1995-04-08 11:59:02 +02:00
|
|
|
|
SYMBOL_TYPE (s) = nodebug_var_symbol_type;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else
|
|
|
|
|
SYMBOL_TYPE (s) = parse_type (cur_fd, ax, sh->index, 0, bigend, name);
|
|
|
|
|
/* Value of a data symbol is its memory address */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stParam: /* arg to procedure, goes into current block */
|
|
|
|
|
max_gdbinfo++;
|
1995-04-08 11:59:02 +02:00
|
|
|
|
found_ecoff_debugging_info = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
top_stack->numargs++;
|
|
|
|
|
|
|
|
|
|
/* Special GNU C++ name. */
|
* demangle.c (is_cplus_marker): New function, checks if a
character is one of the commonly used C++ marker characters.
* defs.h (is_cplus_marker): Add prototype.
* c-typeprint.c (c_type_print_base), ch-lang.c (chill_demangle),
cp-valprint.c (cp_print_class_method), mdebugread.c (parse_symbol),
stabsread.c (define_symbol, read_member_functions, read_struct_fields),
symtab.h (OPNAME_PREFIX_P, VTBL_PREFIX_P, DESTRUCTOR_PREFIX_P),
values.c (vb_match): Use is_cplus_marker instead of comparison
with CPLUS_MARKER.
1996-02-16 07:14:15 +01:00
|
|
|
|
if (is_cplus_marker (name[0]) && name[1] == 't' && name[2] == 0)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
name = "this"; /* FIXME, not alloc'd in obstack */
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
switch (sh->sc)
|
|
|
|
|
{
|
|
|
|
|
case scRegister:
|
|
|
|
|
/* Pass by value in register. */
|
|
|
|
|
SYMBOL_CLASS(s) = LOC_REGPARM;
|
|
|
|
|
svalue = ECOFF_REG_TO_REGNUM (svalue);
|
|
|
|
|
break;
|
|
|
|
|
case scVar:
|
|
|
|
|
/* Pass by reference on stack. */
|
|
|
|
|
SYMBOL_CLASS(s) = LOC_REF_ARG;
|
|
|
|
|
break;
|
|
|
|
|
case scVarRegister:
|
|
|
|
|
/* Pass by reference in register. */
|
|
|
|
|
SYMBOL_CLASS(s) = LOC_REGPARM_ADDR;
|
|
|
|
|
svalue = ECOFF_REG_TO_REGNUM (svalue);
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
/* Pass by value on stack. */
|
|
|
|
|
SYMBOL_CLASS(s) = LOC_ARG;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
SYMBOL_VALUE (s) = svalue;
|
|
|
|
|
SYMBOL_TYPE (s) = parse_type (cur_fd, ax, sh->index, 0, bigend, name);
|
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stLabel: /* label, goes into current block */
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE; /* so that it can be used */
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_LABEL; /* but not misused */
|
|
|
|
|
SYMBOL_VALUE_ADDRESS (s) = (CORE_ADDR) sh->value;
|
1995-07-20 07:52:42 +02:00
|
|
|
|
SYMBOL_TYPE (s) = mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stProc: /* Procedure, usually goes into global block */
|
|
|
|
|
case stStaticProc: /* Static procedure, goes into current block */
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_BLOCK;
|
|
|
|
|
/* Type of the return value */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (sh->sc == scUndefined || sh->sc == scSUndefined || sh->sc == scNil)
|
1995-07-20 07:52:42 +02:00
|
|
|
|
t = mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else
|
Changes from: David Mosberger-Tang <davidm@azstarnet.com>
* NEWS: Add Alpha Linux as a new native configuration.
* mdebugread.c (parse_symbol): When we find a malloc() symbol with
return type VOID, assume no debugging info is available for that
object file and patch the return value into VOID *. Otherwise,
operations requiring an implicit call to malloc() will fail.
* infrun.c (wait_for_inferior): The criterion to detect entering a
sigtramp handler is now: (a) the current pc is inside a sigtramp
handler, (b) the previous pc is not in a sigtramp handler, and (c)
the current stack pointer is "inner" than the old one. Condition
(c) is new to avoid mistaking a return from a signal handler into
sigtramp as a new sigtramp invocation.
* dcache.c (struct dcache_block): Declare addr as CORE_ADDR. An
int may not be big enough to hold an address.
(dcache_hit): Ditto.
(dcache_peek_byte): Fix indentation.
* configure.in (alpha-*-linux*): Add target.
* configure: Rebuild
* config/alpha/tm-alpha.h (PROC_DESC_IS_DYN_SIGTRAMP): New macro.
(SET_PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(DYNAMIC_SIGTRAMP_OFFSET): Ditto.
(SIGCONTEXT_ADDR): Ditto.
(FRAME_PAST_SIGTRAMP_FRAME): Ditto.
* config/alpha/alpha-linux.mh: New file.
* config/alpha/alpha-linux.mt: Ditto.
* config/alpha/nm-linux.h: Ditto.
* config/alpha/tm-alphalinux.h: Ditto.
* config/alpha/xm-alphalinux.h: Ditto.
* config/alpha/xm-alphaosf.h: Renamed from xm-alpha.h.
* config/alpha/alpha-osf1.mh (XM_FILE): Change from xm-alpha.h to
xm-alphaosf.h.
* config/alpha/alpha-osf2.mh: Ditto.
* blockframe.c (find_pc_partial_function): Pass PC to
SIGTRAMP_START and SIGTRAMP_END macros for the benefit of systems
that detect sigtramp code via designated code sequences (as is the
case for Linux/Alpha, for example).
* config/i386/tm-i386bsd.h: Change SIGTRAMP_START and SIGTRAMP_END
to ignore new PC argument.
* config/m68k/tm-hp300bsd.h: Ditto.
* config/vax/tm-vax.h: Ditto.
* alpha-tdep.c (alpha_linux_sigtramp_offset): New function.
(alpha_osf_skip_sigtramp_frame): Ditto.
(push_sigtramp_desc): Ditto.
(alpha_find_saved_regs): Use SIGCONTEXT_ADDR macro to extract
sigcontext address from frame.
(alpha_saved_pc_after_call): When in sigtramp, use
alpha_frame_saved_pc() instead of read-register().
(after_prologue): When inside a dynamically generated sigtramp
function, there is no prologue, so return address of first
instruction.
(alpha_in_prologue): Fix typo in comment.
(find_proc_desc): Use macro DYNAMIC_SIGTRAMP_OFFSET to determine
whether we're inside a dynamicaly generated sigtramp function. If
so, create and push and appropriate procedure descriptor.
(alpha_frame_chain): Use macro FRAME_PAST_SIGTRAMP_FRAME to obtain
the frame past a sigtramp frame (if the current frame is indeed a
sigtramp function).
(init_extra_frame_info): Don't read next frame register off of
stack-pointer when inside a dynamiccaly generated sigtramp.
(alpha_pop_frame): Also unlink and destroy procedure descriptors
created for dynamically generated sigtramp functions.
* alpha-nat.c: When compiling under Linux, include <asm/reg.h> and
<alpha/ptrace.h> instead of <machine/reg.h>
1996-05-26 23:41:40 +02:00
|
|
|
|
{
|
|
|
|
|
t = parse_type (cur_fd, ax, sh->index + 1, 0, bigend, name);
|
|
|
|
|
if (STREQ(name, "malloc") && t->code == TYPE_CODE_VOID)
|
|
|
|
|
{
|
|
|
|
|
/* I don't know why, but, at least under Linux/Alpha,
|
|
|
|
|
when linking against a malloc without debugging
|
|
|
|
|
symbols, its read as a function returning void---this
|
|
|
|
|
is bad because it means we cannot call functions with
|
|
|
|
|
string arguments interactively; i.e., "call
|
|
|
|
|
printf("howdy\n")" would fail with the error message
|
|
|
|
|
"program has no memory available". To avoid this, we
|
|
|
|
|
patch up the type and make it void*
|
|
|
|
|
instead. (davidm@azstarnet.com)
|
|
|
|
|
*/
|
1996-10-19 02:31:53 +02:00
|
|
|
|
t = make_pointer_type (t, NULL);
|
Changes from: David Mosberger-Tang <davidm@azstarnet.com>
* NEWS: Add Alpha Linux as a new native configuration.
* mdebugread.c (parse_symbol): When we find a malloc() symbol with
return type VOID, assume no debugging info is available for that
object file and patch the return value into VOID *. Otherwise,
operations requiring an implicit call to malloc() will fail.
* infrun.c (wait_for_inferior): The criterion to detect entering a
sigtramp handler is now: (a) the current pc is inside a sigtramp
handler, (b) the previous pc is not in a sigtramp handler, and (c)
the current stack pointer is "inner" than the old one. Condition
(c) is new to avoid mistaking a return from a signal handler into
sigtramp as a new sigtramp invocation.
* dcache.c (struct dcache_block): Declare addr as CORE_ADDR. An
int may not be big enough to hold an address.
(dcache_hit): Ditto.
(dcache_peek_byte): Fix indentation.
* configure.in (alpha-*-linux*): Add target.
* configure: Rebuild
* config/alpha/tm-alpha.h (PROC_DESC_IS_DYN_SIGTRAMP): New macro.
(SET_PROC_DESC_IS_DYN_SIGTRAMP): Ditto.
(DYNAMIC_SIGTRAMP_OFFSET): Ditto.
(SIGCONTEXT_ADDR): Ditto.
(FRAME_PAST_SIGTRAMP_FRAME): Ditto.
* config/alpha/alpha-linux.mh: New file.
* config/alpha/alpha-linux.mt: Ditto.
* config/alpha/nm-linux.h: Ditto.
* config/alpha/tm-alphalinux.h: Ditto.
* config/alpha/xm-alphalinux.h: Ditto.
* config/alpha/xm-alphaosf.h: Renamed from xm-alpha.h.
* config/alpha/alpha-osf1.mh (XM_FILE): Change from xm-alpha.h to
xm-alphaosf.h.
* config/alpha/alpha-osf2.mh: Ditto.
* blockframe.c (find_pc_partial_function): Pass PC to
SIGTRAMP_START and SIGTRAMP_END macros for the benefit of systems
that detect sigtramp code via designated code sequences (as is the
case for Linux/Alpha, for example).
* config/i386/tm-i386bsd.h: Change SIGTRAMP_START and SIGTRAMP_END
to ignore new PC argument.
* config/m68k/tm-hp300bsd.h: Ditto.
* config/vax/tm-vax.h: Ditto.
* alpha-tdep.c (alpha_linux_sigtramp_offset): New function.
(alpha_osf_skip_sigtramp_frame): Ditto.
(push_sigtramp_desc): Ditto.
(alpha_find_saved_regs): Use SIGCONTEXT_ADDR macro to extract
sigcontext address from frame.
(alpha_saved_pc_after_call): When in sigtramp, use
alpha_frame_saved_pc() instead of read-register().
(after_prologue): When inside a dynamically generated sigtramp
function, there is no prologue, so return address of first
instruction.
(alpha_in_prologue): Fix typo in comment.
(find_proc_desc): Use macro DYNAMIC_SIGTRAMP_OFFSET to determine
whether we're inside a dynamicaly generated sigtramp function. If
so, create and push and appropriate procedure descriptor.
(alpha_frame_chain): Use macro FRAME_PAST_SIGTRAMP_FRAME to obtain
the frame past a sigtramp frame (if the current frame is indeed a
sigtramp function).
(init_extra_frame_info): Don't read next frame register off of
stack-pointer when inside a dynamiccaly generated sigtramp.
(alpha_pop_frame): Also unlink and destroy procedure descriptors
created for dynamically generated sigtramp functions.
* alpha-nat.c: When compiling under Linux, include <asm/reg.h> and
<alpha/ptrace.h> instead of <machine/reg.h>
1996-05-26 23:41:40 +02:00
|
|
|
|
}
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
b = top_stack->cur_block;
|
|
|
|
|
if (sh->st == stProc)
|
|
|
|
|
{
|
|
|
|
|
struct blockvector *bv = BLOCKVECTOR (top_stack->cur_st);
|
|
|
|
|
/* The next test should normally be true, but provides a
|
|
|
|
|
hook for nested functions (which we don't want to make
|
|
|
|
|
global). */
|
|
|
|
|
if (b == BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK))
|
|
|
|
|
b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
|
|
|
|
|
/* Irix 5 sometimes has duplicate names for the same
|
|
|
|
|
function. We want to add such names up at the global
|
|
|
|
|
level, not as a nested function. */
|
|
|
|
|
else if (sh->value == top_stack->procadr)
|
|
|
|
|
b = BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK);
|
|
|
|
|
}
|
|
|
|
|
add_symbol (s, b);
|
|
|
|
|
|
|
|
|
|
/* Make a type for the procedure itself */
|
|
|
|
|
SYMBOL_TYPE (s) = lookup_function_type (t);
|
|
|
|
|
|
|
|
|
|
/* Create and enter a new lexical context */
|
|
|
|
|
b = new_block (top_stack->maxsyms);
|
|
|
|
|
SYMBOL_BLOCK_VALUE (s) = b;
|
|
|
|
|
BLOCK_FUNCTION (b) = s;
|
|
|
|
|
BLOCK_START (b) = BLOCK_END (b) = sh->value;
|
|
|
|
|
BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
|
|
|
|
|
add_block (b, top_stack->cur_st);
|
|
|
|
|
|
|
|
|
|
/* Not if we only have partial info */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (sh->sc == scUndefined || sh->sc == scSUndefined || sh->sc == scNil)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
push_parse_stack ();
|
|
|
|
|
top_stack->cur_block = b;
|
|
|
|
|
top_stack->blocktype = sh->st;
|
|
|
|
|
top_stack->cur_type = SYMBOL_TYPE (s);
|
|
|
|
|
top_stack->cur_field = -1;
|
|
|
|
|
top_stack->procadr = sh->value;
|
|
|
|
|
top_stack->numargs = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* Beginning of code for structure, union, and enum definitions.
|
|
|
|
|
They all share a common set of local variables, defined here. */
|
|
|
|
|
{
|
|
|
|
|
enum type_code type_code;
|
|
|
|
|
char *ext_tsym;
|
|
|
|
|
int nfields;
|
|
|
|
|
long max_value;
|
|
|
|
|
struct field *f;
|
|
|
|
|
|
|
|
|
|
case stStruct: /* Start a block defining a struct type */
|
|
|
|
|
type_code = TYPE_CODE_STRUCT;
|
|
|
|
|
goto structured_common;
|
|
|
|
|
|
|
|
|
|
case stUnion: /* Start a block defining a union type */
|
|
|
|
|
type_code = TYPE_CODE_UNION;
|
|
|
|
|
goto structured_common;
|
|
|
|
|
|
|
|
|
|
case stEnum: /* Start a block defining an enum type */
|
|
|
|
|
type_code = TYPE_CODE_ENUM;
|
|
|
|
|
goto structured_common;
|
|
|
|
|
|
|
|
|
|
case stBlock: /* Either a lexical block, or some type */
|
1994-09-11 13:43:40 +02:00
|
|
|
|
if (sh->sc != scInfo && sh->sc != scCommon && sh->sc != scSCommon)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
goto case_stBlock_code; /* Lexical block */
|
|
|
|
|
|
|
|
|
|
type_code = TYPE_CODE_UNDEF; /* We have a type. */
|
|
|
|
|
|
|
|
|
|
/* Common code for handling struct, union, enum, and/or as-yet-
|
|
|
|
|
unknown-type blocks of info about structured data. `type_code'
|
|
|
|
|
has been set to the proper TYPE_CODE, if we know it. */
|
|
|
|
|
structured_common:
|
1995-04-08 11:59:02 +02:00
|
|
|
|
found_ecoff_debugging_info = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
push_parse_stack ();
|
|
|
|
|
top_stack->blocktype = stBlock;
|
|
|
|
|
|
|
|
|
|
/* First count the number of fields and the highest value. */
|
|
|
|
|
nfields = 0;
|
|
|
|
|
max_value = 0;
|
|
|
|
|
for (ext_tsym = ext_sh + external_sym_size;
|
|
|
|
|
;
|
|
|
|
|
ext_tsym += external_sym_size)
|
|
|
|
|
{
|
|
|
|
|
SYMR tsym;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd, ext_tsym, &tsym);
|
|
|
|
|
|
|
|
|
|
switch (tsym.st)
|
|
|
|
|
{
|
|
|
|
|
case stEnd:
|
|
|
|
|
goto end_of_fields;
|
|
|
|
|
|
|
|
|
|
case stMember:
|
|
|
|
|
if (nfields == 0 && type_code == TYPE_CODE_UNDEF)
|
|
|
|
|
/* If the type of the member is Nil (or Void),
|
|
|
|
|
without qualifiers, assume the tag is an
|
1995-11-25 12:32:18 +01:00
|
|
|
|
enumeration.
|
|
|
|
|
Alpha cc -migrate enums are recognized by a zero
|
1997-09-13 17:34:44 +02:00
|
|
|
|
index and a zero symbol value.
|
|
|
|
|
DU 4.0 cc enums are recognized by a member type of
|
|
|
|
|
btEnum without qualifiers and a zero symbol value. */
|
1995-11-25 12:32:18 +01:00
|
|
|
|
if (tsym.index == indexNil
|
|
|
|
|
|| (tsym.index == 0 && sh->value == 0))
|
1993-12-06 18:12:23 +01:00
|
|
|
|
type_code = TYPE_CODE_ENUM;
|
|
|
|
|
else
|
|
|
|
|
{
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (bigend,
|
|
|
|
|
&ax[tsym.index].a_ti,
|
|
|
|
|
&tir);
|
1997-09-13 17:34:44 +02:00
|
|
|
|
if ((tir.bt == btNil || tir.bt == btVoid
|
|
|
|
|
|| (tir.bt == btEnum && sh->value == 0))
|
1993-12-06 18:12:23 +01:00
|
|
|
|
&& tir.tq0 == tqNil)
|
|
|
|
|
type_code = TYPE_CODE_ENUM;
|
|
|
|
|
}
|
|
|
|
|
nfields++;
|
|
|
|
|
if (tsym.value > max_value)
|
|
|
|
|
max_value = tsym.value;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stBlock:
|
|
|
|
|
case stUnion:
|
|
|
|
|
case stEnum:
|
|
|
|
|
case stStruct:
|
|
|
|
|
{
|
|
|
|
|
#if 0
|
|
|
|
|
/* This is a no-op; is it trying to tell us something
|
|
|
|
|
we should be checking? */
|
|
|
|
|
if (tsym.sc == scVariant); /*UNIMPLEMENTED*/
|
|
|
|
|
#endif
|
|
|
|
|
if (tsym.index != 0)
|
|
|
|
|
{
|
|
|
|
|
/* This is something like a struct within a
|
|
|
|
|
struct. Skip over the fields of the inner
|
|
|
|
|
struct. The -1 is because the for loop will
|
|
|
|
|
increment ext_tsym. */
|
|
|
|
|
ext_tsym = ((char *) debug_info->external_sym
|
|
|
|
|
+ ((cur_fdr->isymBase + tsym.index - 1)
|
|
|
|
|
* external_sym_size));
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stTypedef:
|
|
|
|
|
/* mips cc puts out a typedef for struct x if it is not yet
|
|
|
|
|
defined when it encounters
|
|
|
|
|
struct y { struct x *xp; };
|
|
|
|
|
Just ignore it. */
|
|
|
|
|
break;
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
case stIndirect:
|
|
|
|
|
/* Irix5 cc puts out a stIndirect for struct x if it is not
|
|
|
|
|
yet defined when it encounters
|
|
|
|
|
struct y { struct x *xp; };
|
|
|
|
|
Just ignore it. */
|
|
|
|
|
break;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
default:
|
|
|
|
|
complain (&block_member_complaint, tsym.st);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
end_of_fields:;
|
|
|
|
|
|
|
|
|
|
/* In an stBlock, there is no way to distinguish structs,
|
|
|
|
|
unions, and enums at this point. This is a bug in the
|
|
|
|
|
original design (that has been fixed with the recent
|
|
|
|
|
addition of the stStruct, stUnion, and stEnum symbol
|
|
|
|
|
types.) The way you can tell is if/when you see a variable
|
|
|
|
|
or field of that type. In that case the variable's type
|
|
|
|
|
(in the AUX table) says if the type is struct, union, or
|
|
|
|
|
enum, and points back to the stBlock here. So you can
|
|
|
|
|
patch the tag kind up later - but only if there actually is
|
|
|
|
|
a variable or field of that type.
|
|
|
|
|
|
|
|
|
|
So until we know for sure, we will guess at this point.
|
|
|
|
|
The heuristic is:
|
|
|
|
|
If the first member has index==indexNil or a void type,
|
|
|
|
|
assume we have an enumeration.
|
|
|
|
|
Otherwise, if there is more than one member, and all
|
|
|
|
|
the members have offset 0, assume we have a union.
|
|
|
|
|
Otherwise, assume we have a struct.
|
|
|
|
|
|
|
|
|
|
The heuristic could guess wrong in the case of of an
|
|
|
|
|
enumeration with no members or a union with one (or zero)
|
|
|
|
|
members, or when all except the last field of a struct have
|
|
|
|
|
width zero. These are uncommon and/or illegal situations,
|
|
|
|
|
and in any case guessing wrong probably doesn't matter
|
|
|
|
|
much.
|
|
|
|
|
|
|
|
|
|
But if we later do find out we were wrong, we fixup the tag
|
|
|
|
|
kind. Members of an enumeration must be handled
|
|
|
|
|
differently from struct/union fields, and that is harder to
|
|
|
|
|
patch up, but luckily we shouldn't need to. (If there are
|
|
|
|
|
any enumeration members, we can tell for sure it's an enum
|
|
|
|
|
here.) */
|
|
|
|
|
|
|
|
|
|
if (type_code == TYPE_CODE_UNDEF)
|
|
|
|
|
if (nfields > 1 && max_value == 0)
|
|
|
|
|
type_code = TYPE_CODE_UNION;
|
|
|
|
|
else
|
|
|
|
|
type_code = TYPE_CODE_STRUCT;
|
|
|
|
|
|
|
|
|
|
/* Create a new type or use the pending type. */
|
|
|
|
|
pend = is_pending_symbol (cur_fdr, ext_sh);
|
|
|
|
|
if (pend == (struct mdebug_pending *) NULL)
|
|
|
|
|
{
|
|
|
|
|
t = new_type (NULL);
|
|
|
|
|
add_pending (cur_fdr, ext_sh, t);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
t = pend->t;
|
|
|
|
|
|
1994-01-12 22:27:51 +01:00
|
|
|
|
/* Do not set the tag name if it is a compiler generated tag name
|
|
|
|
|
(.Fxx or .xxfake or empty) for unnamed struct/union/enums.
|
|
|
|
|
Alpha cc puts out an sh->iss of zero for those. */
|
|
|
|
|
if (sh->iss == 0 || name[0] == '.' || name[0] == '\0')
|
1993-12-06 18:12:23 +01:00
|
|
|
|
TYPE_TAG_NAME (t) = NULL;
|
|
|
|
|
else
|
|
|
|
|
TYPE_TAG_NAME (t) = obconcat (¤t_objfile->symbol_obstack,
|
|
|
|
|
"", "", name);
|
|
|
|
|
|
|
|
|
|
TYPE_CODE (t) = type_code;
|
|
|
|
|
TYPE_LENGTH (t) = sh->value;
|
|
|
|
|
TYPE_NFIELDS (t) = nfields;
|
|
|
|
|
TYPE_FIELDS (t) = f = ((struct field *)
|
|
|
|
|
TYPE_ALLOC (t,
|
|
|
|
|
nfields * sizeof (struct field)));
|
|
|
|
|
|
|
|
|
|
if (type_code == TYPE_CODE_ENUM)
|
|
|
|
|
{
|
1995-08-26 09:35:13 +02:00
|
|
|
|
int unsigned_enum = 1;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* This is a non-empty enum. */
|
1994-01-07 21:59:35 +01:00
|
|
|
|
|
1994-01-12 22:27:51 +01:00
|
|
|
|
/* DEC c89 has the number of enumerators in the sh.value field,
|
1994-01-07 21:59:35 +01:00
|
|
|
|
not the type length, so we have to compensate for that
|
|
|
|
|
incompatibility quirk.
|
|
|
|
|
This might do the wrong thing for an enum with one or two
|
|
|
|
|
enumerators and gcc -gcoff -fshort-enums, but these cases
|
1995-08-26 09:35:13 +02:00
|
|
|
|
are hopefully rare enough.
|
|
|
|
|
Alpha cc -migrate has a sh.value field of zero, we adjust
|
|
|
|
|
that too. */
|
|
|
|
|
if (TYPE_LENGTH (t) == TYPE_NFIELDS (t)
|
|
|
|
|
|| TYPE_LENGTH (t) == 0)
|
1994-01-07 21:59:35 +01:00
|
|
|
|
TYPE_LENGTH (t) = TARGET_INT_BIT / HOST_CHAR_BIT;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
for (ext_tsym = ext_sh + external_sym_size;
|
|
|
|
|
;
|
|
|
|
|
ext_tsym += external_sym_size)
|
|
|
|
|
{
|
|
|
|
|
SYMR tsym;
|
|
|
|
|
struct symbol *enum_sym;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd, ext_tsym, &tsym);
|
|
|
|
|
|
|
|
|
|
if (tsym.st != stMember)
|
|
|
|
|
break;
|
|
|
|
|
|
1997-08-05 23:58:57 +02:00
|
|
|
|
FIELD_BITPOS (*f) = tsym.value;
|
|
|
|
|
FIELD_TYPE (*f) = t;
|
|
|
|
|
FIELD_NAME (*f) = debug_info->ss + cur_fdr->issBase + tsym.iss;
|
|
|
|
|
FIELD_BITSIZE (*f) = 0;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
enum_sym = ((struct symbol *)
|
|
|
|
|
obstack_alloc (¤t_objfile->symbol_obstack,
|
|
|
|
|
sizeof (struct symbol)));
|
|
|
|
|
memset ((PTR) enum_sym, 0, sizeof (struct symbol));
|
1996-07-08 11:05:18 +02:00
|
|
|
|
SYMBOL_NAME (enum_sym) =
|
|
|
|
|
obsavestring (f->name, strlen (f->name),
|
|
|
|
|
¤t_objfile->symbol_obstack);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMBOL_CLASS (enum_sym) = LOC_CONST;
|
|
|
|
|
SYMBOL_TYPE (enum_sym) = t;
|
|
|
|
|
SYMBOL_NAMESPACE (enum_sym) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_VALUE (enum_sym) = tsym.value;
|
1995-08-26 09:35:13 +02:00
|
|
|
|
if (SYMBOL_VALUE (enum_sym) < 0)
|
|
|
|
|
unsigned_enum = 0;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
add_symbol (enum_sym, top_stack->cur_block);
|
|
|
|
|
|
|
|
|
|
/* Skip the stMembers that we've handled. */
|
|
|
|
|
count++;
|
|
|
|
|
f++;
|
|
|
|
|
}
|
1995-08-26 09:35:13 +02:00
|
|
|
|
if (unsigned_enum)
|
|
|
|
|
TYPE_FLAGS (t) |= TYPE_FLAG_UNSIGNED;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
/* make this the current type */
|
|
|
|
|
top_stack->cur_type = t;
|
|
|
|
|
top_stack->cur_field = 0;
|
|
|
|
|
|
|
|
|
|
/* Do not create a symbol for alpha cc unnamed structs. */
|
|
|
|
|
if (sh->iss == 0)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* gcc puts out an empty struct for an opaque struct definitions,
|
|
|
|
|
do not create a symbol for it either. */
|
|
|
|
|
if (TYPE_NFIELDS (t) == 0)
|
|
|
|
|
{
|
|
|
|
|
TYPE_FLAGS (t) |= TYPE_FLAG_STUB;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = STRUCT_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_TYPEDEF;
|
|
|
|
|
SYMBOL_VALUE (s) = 0;
|
|
|
|
|
SYMBOL_TYPE (s) = t;
|
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* End of local variables shared by struct, union, enum, and
|
|
|
|
|
block (as yet unknown struct/union/enum) processing. */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
case_stBlock_code:
|
1995-04-08 11:59:02 +02:00
|
|
|
|
found_ecoff_debugging_info = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* beginnning of (code) block. Value of symbol
|
|
|
|
|
is the displacement from procedure start */
|
|
|
|
|
push_parse_stack ();
|
|
|
|
|
|
|
|
|
|
/* Do not start a new block if this is the outermost block of a
|
|
|
|
|
procedure. This allows the LOC_BLOCK symbol to point to the
|
|
|
|
|
block with the local variables, so funcname::var works. */
|
|
|
|
|
if (top_stack->blocktype == stProc
|
|
|
|
|
|| top_stack->blocktype == stStaticProc)
|
|
|
|
|
{
|
|
|
|
|
top_stack->blocktype = stNil;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
top_stack->blocktype = stBlock;
|
|
|
|
|
b = new_block (top_stack->maxsyms);
|
|
|
|
|
BLOCK_START (b) = sh->value + top_stack->procadr;
|
|
|
|
|
BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
|
|
|
|
|
top_stack->cur_block = b;
|
|
|
|
|
add_block (b, top_stack->cur_st);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stEnd: /* end (of anything) */
|
1994-09-11 13:43:40 +02:00
|
|
|
|
if (sh->sc == scInfo || sh->sc == scCommon || sh->sc == scSCommon)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
/* Finished with type */
|
|
|
|
|
top_stack->cur_type = 0;
|
|
|
|
|
}
|
|
|
|
|
else if (sh->sc == scText &&
|
|
|
|
|
(top_stack->blocktype == stProc ||
|
|
|
|
|
top_stack->blocktype == stStaticProc))
|
|
|
|
|
{
|
|
|
|
|
/* Finished with procedure */
|
|
|
|
|
struct blockvector *bv = BLOCKVECTOR (top_stack->cur_st);
|
|
|
|
|
struct mips_extra_func_info *e;
|
|
|
|
|
struct block *b;
|
1995-03-18 14:16:51 +01:00
|
|
|
|
struct type *ftype = top_stack->cur_type;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
BLOCK_END (top_stack->cur_block) += sh->value; /* size */
|
|
|
|
|
|
|
|
|
|
/* Make up special symbol to contain procedure specific info */
|
|
|
|
|
s = new_symbol (MIPS_EFI_SYMBOL_NAME);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_CONST;
|
1995-07-20 07:52:42 +02:00
|
|
|
|
SYMBOL_TYPE (s) = mdebug_type_void;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
e = ((struct mips_extra_func_info *)
|
|
|
|
|
obstack_alloc (¤t_objfile->symbol_obstack,
|
|
|
|
|
sizeof (struct mips_extra_func_info)));
|
* alpha-nat.c, irix4-nat.c, irix5-nat.c, mipsv4-nat.c,
sparc-tdep.c (supply_gregset, supply_fpregset): Fill inaccessible
registers with zero to handle recent read_register_bytes change.
* irix4-nat.c, irix5-nat.c, mipsv4-nat.c (supply_gregset,
fill_gregset): Fix handling of CAUSE_REGNUM.
* mips-nat.c (store_inferior_registers): Handle unwritable
registers when storing a single register.
* config/mips/tm-irix3.h (CAUSE_REGNUM, BADVADDR_REGNUM):
Fix definitions.
* mdebugread.c (parse_symbol, psymtab_to_symtab_1): Clear
allocated mips_extra_func_info, if the debug info is corrupt,
the PDR to fill it in might be missing.
1995-03-28 08:57:39 +02:00
|
|
|
|
memset ((PTR) e, 0, sizeof (struct mips_extra_func_info));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMBOL_VALUE (s) = (long) e;
|
|
|
|
|
e->numargs = top_stack->numargs;
|
1995-03-10 02:26:09 +01:00
|
|
|
|
e->pdr.framereg = -1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
|
|
|
|
|
/* Reallocate symbols, saving memory */
|
|
|
|
|
b = shrink_block (top_stack->cur_block, top_stack->cur_st);
|
|
|
|
|
|
|
|
|
|
/* f77 emits proc-level with address bounds==[0,0],
|
|
|
|
|
So look for such child blocks, and patch them. */
|
|
|
|
|
for (i = 0; i < BLOCKVECTOR_NBLOCKS (bv); i++)
|
|
|
|
|
{
|
|
|
|
|
struct block *b_bad = BLOCKVECTOR_BLOCK (bv, i);
|
|
|
|
|
if (BLOCK_SUPERBLOCK (b_bad) == b
|
|
|
|
|
&& BLOCK_START (b_bad) == top_stack->procadr
|
|
|
|
|
&& BLOCK_END (b_bad) == top_stack->procadr)
|
|
|
|
|
{
|
|
|
|
|
BLOCK_START (b_bad) = BLOCK_START (b);
|
|
|
|
|
BLOCK_END (b_bad) = BLOCK_END (b);
|
|
|
|
|
}
|
|
|
|
|
}
|
1995-03-18 14:16:51 +01:00
|
|
|
|
|
|
|
|
|
if (TYPE_NFIELDS (ftype) <= 0)
|
|
|
|
|
{
|
|
|
|
|
/* No parameter type information is recorded with the function's
|
|
|
|
|
type. Set that from the type of the parameter symbols. */
|
|
|
|
|
int nparams = top_stack->numargs;
|
|
|
|
|
int iparams;
|
|
|
|
|
struct symbol *sym;
|
|
|
|
|
|
|
|
|
|
if (nparams > 0)
|
|
|
|
|
{
|
|
|
|
|
TYPE_NFIELDS (ftype) = nparams;
|
|
|
|
|
TYPE_FIELDS (ftype) = (struct field *)
|
|
|
|
|
TYPE_ALLOC (ftype, nparams * sizeof (struct field));
|
|
|
|
|
|
|
|
|
|
for (i = iparams = 0; iparams < nparams; i++)
|
|
|
|
|
{
|
|
|
|
|
sym = BLOCK_SYM (b, i);
|
|
|
|
|
switch (SYMBOL_CLASS (sym))
|
|
|
|
|
{
|
|
|
|
|
case LOC_ARG:
|
|
|
|
|
case LOC_REF_ARG:
|
|
|
|
|
case LOC_REGPARM:
|
|
|
|
|
case LOC_REGPARM_ADDR:
|
|
|
|
|
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
|
|
|
|
|
iparams++;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
else if (sh->sc == scText && top_stack->blocktype == stBlock)
|
|
|
|
|
{
|
|
|
|
|
/* End of (code) block. The value of the symbol is the
|
|
|
|
|
displacement from the procedure`s start address of the
|
|
|
|
|
end of this block. */
|
|
|
|
|
BLOCK_END (top_stack->cur_block) = sh->value + top_stack->procadr;
|
|
|
|
|
shrink_block (top_stack->cur_block, top_stack->cur_st);
|
|
|
|
|
}
|
|
|
|
|
else if (sh->sc == scText && top_stack->blocktype == stNil)
|
|
|
|
|
{
|
|
|
|
|
/* End of outermost block. Pop parse stack and ignore. The
|
|
|
|
|
following stEnd of stProc will take care of the block. */
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
else if (sh->sc == scText && top_stack->blocktype == stFile)
|
|
|
|
|
{
|
|
|
|
|
/* End of file. Pop parse stack and ignore. Higher
|
|
|
|
|
level code deals with this. */
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
complain (&stEnd_complaint, sh->sc);
|
|
|
|
|
|
|
|
|
|
pop_parse_stack (); /* restore previous lexical context */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stMember: /* member of struct or union */
|
|
|
|
|
f = &TYPE_FIELDS (top_stack->cur_type)[top_stack->cur_field++];
|
1997-08-05 23:58:57 +02:00
|
|
|
|
FIELD_NAME (*f) = name;
|
|
|
|
|
FIELD_BITPOS (*f) = sh->value;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
bitsize = 0;
|
1997-08-05 23:58:57 +02:00
|
|
|
|
FIELD_TYPE (*f) = parse_type (cur_fd, ax, sh->index, &bitsize, bigend, name);
|
|
|
|
|
FIELD_BITSIZE (*f) = bitsize;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
case stIndirect: /* forward declaration on Irix5 */
|
|
|
|
|
/* Forward declarations from Irix5 cc are handled by cross_ref,
|
|
|
|
|
skip them. */
|
|
|
|
|
break;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
case stTypedef: /* type definition */
|
1995-04-08 11:59:02 +02:00
|
|
|
|
found_ecoff_debugging_info = 1;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Typedefs for forward declarations and opaque structs from alpha cc
|
|
|
|
|
are handled by cross_ref, skip them. */
|
|
|
|
|
if (sh->iss == 0)
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* Parse the type or use the pending type. */
|
|
|
|
|
pend = is_pending_symbol (cur_fdr, ext_sh);
|
|
|
|
|
if (pend == (struct mdebug_pending *) NULL)
|
|
|
|
|
{
|
|
|
|
|
t = parse_type (cur_fd, ax, sh->index, (int *)NULL, bigend, name);
|
|
|
|
|
add_pending (cur_fdr, ext_sh, t);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
t = pend->t;
|
|
|
|
|
|
|
|
|
|
/* mips cc puts out a typedef with the name of the struct for forward
|
|
|
|
|
declarations. These should not go into the symbol table and
|
|
|
|
|
TYPE_NAME should not be set for them.
|
|
|
|
|
They can't be distinguished from an intentional typedef to
|
|
|
|
|
the same name however:
|
|
|
|
|
x.h:
|
|
|
|
|
struct x { int ix; int jx; };
|
|
|
|
|
struct xx;
|
|
|
|
|
x.c:
|
|
|
|
|
typedef struct x x;
|
|
|
|
|
struct xx {int ixx; int jxx; };
|
|
|
|
|
generates a cross referencing stTypedef for x and xx.
|
|
|
|
|
The user visible effect of this is that the type of a pointer
|
|
|
|
|
to struct foo sometimes is given as `foo *' instead of `struct foo *'.
|
1994-06-12 13:10:13 +02:00
|
|
|
|
The problem is fixed with alpha cc and Irix5 cc. */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
/* However if the typedef cross references to an opaque aggregate, it
|
|
|
|
|
is safe to omit it from the symbol table. */
|
|
|
|
|
|
|
|
|
|
if (has_opaque_xref (cur_fdr, sh))
|
|
|
|
|
break;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
s = new_symbol (name);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_TYPEDEF;
|
|
|
|
|
SYMBOL_BLOCK_VALUE (s) = top_stack->cur_block;
|
|
|
|
|
SYMBOL_TYPE (s) = t;
|
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
|
|
|
|
|
/* Incomplete definitions of structs should not get a name. */
|
|
|
|
|
if (TYPE_NAME (SYMBOL_TYPE (s)) == NULL
|
|
|
|
|
&& (TYPE_NFIELDS (SYMBOL_TYPE (s)) != 0
|
|
|
|
|
|| (TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_STRUCT
|
|
|
|
|
&& TYPE_CODE (SYMBOL_TYPE (s)) != TYPE_CODE_UNION)))
|
|
|
|
|
{
|
|
|
|
|
if (TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_PTR
|
|
|
|
|
|| TYPE_CODE (SYMBOL_TYPE (s)) == TYPE_CODE_FUNC)
|
|
|
|
|
{
|
|
|
|
|
/* If we are giving a name to a type such as "pointer to
|
|
|
|
|
foo" or "function returning foo", we better not set
|
|
|
|
|
the TYPE_NAME. If the program contains "typedef char
|
|
|
|
|
*caddr_t;", we don't want all variables of type char
|
|
|
|
|
* to print as caddr_t. This is not just a
|
|
|
|
|
consequence of GDB's type management; CC and GCC (at
|
|
|
|
|
least through version 2.4) both output variables of
|
|
|
|
|
either type char * or caddr_t with the type
|
|
|
|
|
refering to the stTypedef symbol for caddr_t. If a future
|
|
|
|
|
compiler cleans this up it GDB is not ready for it
|
|
|
|
|
yet, but if it becomes ready we somehow need to
|
|
|
|
|
disable this check (without breaking the PCC/GCC2.4
|
|
|
|
|
case).
|
|
|
|
|
|
|
|
|
|
Sigh.
|
|
|
|
|
|
|
|
|
|
Fortunately, this check seems not to be necessary
|
|
|
|
|
for anything except pointers or functions. */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
TYPE_NAME (SYMBOL_TYPE (s)) = SYMBOL_NAME (s);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stFile: /* file name */
|
|
|
|
|
push_parse_stack ();
|
|
|
|
|
top_stack->blocktype = sh->st;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
/* I`ve never seen these for C */
|
|
|
|
|
case stRegReloc:
|
|
|
|
|
break; /* register relocation */
|
|
|
|
|
case stForward:
|
|
|
|
|
break; /* forwarding address */
|
|
|
|
|
case stConstant:
|
|
|
|
|
break; /* constant */
|
|
|
|
|
default:
|
|
|
|
|
complain (&unknown_mdebug_symtype_complaint, sh->st);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return count;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Parse the type information provided in the raw AX entries for
|
|
|
|
|
the symbol SH. Return the bitfield size in BS, in case.
|
|
|
|
|
We must byte-swap the AX entries before we use them; BIGEND says whether
|
|
|
|
|
they are big-endian or little-endian (from fh->fBigendian). */
|
|
|
|
|
|
|
|
|
|
static struct type *
|
|
|
|
|
parse_type (fd, ax, aux_index, bs, bigend, sym_name)
|
|
|
|
|
int fd;
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
unsigned int aux_index;
|
|
|
|
|
int *bs;
|
|
|
|
|
int bigend;
|
|
|
|
|
char *sym_name;
|
|
|
|
|
{
|
|
|
|
|
/* Null entries in this map are treated specially */
|
|
|
|
|
static struct type **map_bt[] =
|
|
|
|
|
{
|
1995-07-20 07:52:42 +02:00
|
|
|
|
&mdebug_type_void, /* btNil */
|
|
|
|
|
&mdebug_type_adr_32, /* btAdr */
|
|
|
|
|
&mdebug_type_char, /* btChar */
|
|
|
|
|
&mdebug_type_unsigned_char, /* btUChar */
|
|
|
|
|
&mdebug_type_short, /* btShort */
|
|
|
|
|
&mdebug_type_unsigned_short, /* btUShort */
|
|
|
|
|
&mdebug_type_int_32, /* btInt */
|
|
|
|
|
&mdebug_type_unsigned_int_32, /* btUInt */
|
|
|
|
|
&mdebug_type_long_32, /* btLong */
|
|
|
|
|
&mdebug_type_unsigned_long_32, /* btULong */
|
|
|
|
|
&mdebug_type_float, /* btFloat */
|
|
|
|
|
&mdebug_type_double, /* btDouble */
|
|
|
|
|
0, /* btStruct */
|
|
|
|
|
0, /* btUnion */
|
|
|
|
|
0, /* btEnum */
|
|
|
|
|
0, /* btTypedef */
|
|
|
|
|
0, /* btRange */
|
|
|
|
|
0, /* btSet */
|
|
|
|
|
&mdebug_type_complex, /* btComplex */
|
|
|
|
|
&mdebug_type_double_complex, /* btDComplex */
|
|
|
|
|
0, /* btIndirect */
|
|
|
|
|
&mdebug_type_fixed_dec, /* btFixedDec */
|
|
|
|
|
&mdebug_type_float_dec, /* btFloatDec */
|
|
|
|
|
&mdebug_type_string, /* btString */
|
|
|
|
|
0, /* btBit */
|
|
|
|
|
0, /* btPicture */
|
|
|
|
|
&mdebug_type_void, /* btVoid */
|
|
|
|
|
0, /* DEC C++: Pointer to member */
|
|
|
|
|
0, /* DEC C++: Virtual function table */
|
|
|
|
|
0, /* DEC C++: Class (Record) */
|
|
|
|
|
&mdebug_type_long_64, /* btLong64 */
|
|
|
|
|
&mdebug_type_unsigned_long_64, /* btULong64 */
|
|
|
|
|
&mdebug_type_long_long_64, /* btLongLong64 */
|
|
|
|
|
&mdebug_type_unsigned_long_long_64, /* btULongLong64 */
|
|
|
|
|
&mdebug_type_adr_64, /* btAdr64 */
|
|
|
|
|
&mdebug_type_int_64, /* btInt64 */
|
|
|
|
|
&mdebug_type_unsigned_int_64, /* btUInt64 */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
TIR t[1];
|
|
|
|
|
struct type *tp = 0;
|
|
|
|
|
enum type_code type_code = TYPE_CODE_UNDEF;
|
|
|
|
|
|
1994-03-10 10:28:18 +01:00
|
|
|
|
/* Handle undefined types, they have indexNil. */
|
|
|
|
|
if (aux_index == indexNil)
|
1995-07-20 07:52:42 +02:00
|
|
|
|
return mdebug_type_int;
|
1994-03-10 10:28:18 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Handle corrupt aux indices. */
|
|
|
|
|
if (aux_index >= (debug_info->fdr + fd)->caux)
|
|
|
|
|
{
|
|
|
|
|
complain (&index_complaint, sym_name);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
return mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
ax += aux_index;
|
|
|
|
|
|
|
|
|
|
/* Use aux as a type information record, map its basic type. */
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (bigend, &ax->a_ti, t);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (t->bt >= (sizeof (map_bt) / sizeof (*map_bt)))
|
|
|
|
|
{
|
|
|
|
|
complain (&basic_type_complaint, t->bt, sym_name);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
return mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
if (map_bt[t->bt])
|
|
|
|
|
{
|
|
|
|
|
tp = *map_bt[t->bt];
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
tp = NULL;
|
|
|
|
|
/* Cannot use builtin types -- build our own */
|
|
|
|
|
switch (t->bt)
|
|
|
|
|
{
|
|
|
|
|
case btStruct:
|
|
|
|
|
type_code = TYPE_CODE_STRUCT;
|
|
|
|
|
break;
|
|
|
|
|
case btUnion:
|
|
|
|
|
type_code = TYPE_CODE_UNION;
|
|
|
|
|
break;
|
|
|
|
|
case btEnum:
|
|
|
|
|
type_code = TYPE_CODE_ENUM;
|
|
|
|
|
break;
|
|
|
|
|
case btRange:
|
|
|
|
|
type_code = TYPE_CODE_RANGE;
|
|
|
|
|
break;
|
|
|
|
|
case btSet:
|
|
|
|
|
type_code = TYPE_CODE_SET;
|
|
|
|
|
break;
|
1995-08-26 09:35:13 +02:00
|
|
|
|
case btIndirect:
|
|
|
|
|
/* alpha cc -migrate uses this for typedefs. The true type will
|
|
|
|
|
be obtained by crossreferencing below. */
|
|
|
|
|
type_code = TYPE_CODE_ERROR;
|
|
|
|
|
break;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
case btTypedef:
|
|
|
|
|
/* alpha cc uses this for typedefs. The true type will be
|
|
|
|
|
obtained by crossreferencing below. */
|
|
|
|
|
type_code = TYPE_CODE_ERROR;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
complain (&basic_type_complaint, t->bt, sym_name);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
return mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Move on to next aux */
|
|
|
|
|
ax++;
|
|
|
|
|
|
|
|
|
|
if (t->fBitfield)
|
|
|
|
|
{
|
1995-08-26 09:35:13 +02:00
|
|
|
|
int width = AUX_GET_WIDTH (bigend, ax);
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Inhibit core dumps with some cfront generated objects that
|
|
|
|
|
corrupt the TIR. */
|
|
|
|
|
if (bs == (int *)NULL)
|
|
|
|
|
{
|
1995-08-26 09:35:13 +02:00
|
|
|
|
/* Alpha cc -migrate encodes char and unsigned char types
|
|
|
|
|
as short and unsigned short types with a field width of 8.
|
|
|
|
|
Enum types also have a field width which we ignore for now. */
|
|
|
|
|
if (t->bt == btShort && width == 8)
|
|
|
|
|
tp = mdebug_type_char;
|
|
|
|
|
else if (t->bt == btUShort && width == 8)
|
|
|
|
|
tp = mdebug_type_unsigned_char;
|
|
|
|
|
else if (t->bt == btEnum)
|
|
|
|
|
;
|
|
|
|
|
else
|
|
|
|
|
complain (&bad_fbitfield_complaint, sym_name);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
1995-08-26 09:35:13 +02:00
|
|
|
|
else
|
|
|
|
|
*bs = width;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
ax++;
|
|
|
|
|
}
|
|
|
|
|
|
1995-08-26 09:35:13 +02:00
|
|
|
|
/* A btIndirect entry cross references to an aux entry containing
|
|
|
|
|
the type. */
|
|
|
|
|
if (t->bt == btIndirect)
|
|
|
|
|
{
|
|
|
|
|
RNDXR rn[1];
|
|
|
|
|
int rf;
|
|
|
|
|
FDR *xref_fh;
|
|
|
|
|
int xref_fd;
|
|
|
|
|
|
|
|
|
|
(*debug_swap->swap_rndx_in) (bigend, &ax->a_rndx, rn);
|
|
|
|
|
ax++;
|
|
|
|
|
if (rn->rfd == 0xfff)
|
|
|
|
|
{
|
|
|
|
|
rf = AUX_GET_ISYM (bigend, ax);
|
|
|
|
|
ax++;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
rf = rn->rfd;
|
|
|
|
|
|
|
|
|
|
if (rf == -1)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_indirect_xref_complaint, sym_name);
|
|
|
|
|
return mdebug_type_int;
|
|
|
|
|
}
|
|
|
|
|
xref_fh = get_rfd (fd, rf);
|
|
|
|
|
xref_fd = xref_fh - debug_info->fdr;
|
|
|
|
|
tp = parse_type (xref_fd, debug_info->external_aux + xref_fh->iauxBase,
|
|
|
|
|
rn->index, (int *) NULL, xref_fh->fBigendian, sym_name);
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* All these types really point to some (common) MIPS type
|
|
|
|
|
definition, and only the type-qualifiers fully identify
|
|
|
|
|
them. We'll make the same effort at sharing. */
|
|
|
|
|
if (t->bt == btStruct ||
|
|
|
|
|
t->bt == btUnion ||
|
|
|
|
|
t->bt == btEnum ||
|
|
|
|
|
|
|
|
|
|
/* btSet (I think) implies that the name is a tag name, not a typedef
|
|
|
|
|
name. This apparently is a MIPS extension for C sets. */
|
|
|
|
|
t->bt == btSet)
|
|
|
|
|
{
|
|
|
|
|
char *name;
|
|
|
|
|
|
|
|
|
|
/* Try to cross reference this type, build new type on failure. */
|
|
|
|
|
ax += cross_ref (fd, ax, &tp, type_code, &name, bigend, sym_name);
|
|
|
|
|
if (tp == (struct type *) NULL)
|
|
|
|
|
tp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
|
|
|
|
|
|
1994-01-12 22:27:51 +01:00
|
|
|
|
/* DEC c89 produces cross references to qualified aggregate types,
|
|
|
|
|
dereference them. */
|
|
|
|
|
while (TYPE_CODE (tp) == TYPE_CODE_PTR
|
|
|
|
|
|| TYPE_CODE (tp) == TYPE_CODE_ARRAY)
|
|
|
|
|
tp = tp->target_type;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Make sure that TYPE_CODE(tp) has an expected type code.
|
|
|
|
|
Any type may be returned from cross_ref if file indirect entries
|
|
|
|
|
are corrupted. */
|
|
|
|
|
if (TYPE_CODE (tp) != TYPE_CODE_STRUCT
|
|
|
|
|
&& TYPE_CODE (tp) != TYPE_CODE_UNION
|
|
|
|
|
&& TYPE_CODE (tp) != TYPE_CODE_ENUM)
|
|
|
|
|
{
|
|
|
|
|
complain (&unexpected_type_code_complaint, sym_name);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
/* Usually, TYPE_CODE(tp) is already type_code. The main
|
|
|
|
|
exception is if we guessed wrong re struct/union/enum.
|
|
|
|
|
But for struct vs. union a wrong guess is harmless, so
|
|
|
|
|
don't complain(). */
|
|
|
|
|
if ((TYPE_CODE (tp) == TYPE_CODE_ENUM
|
|
|
|
|
&& type_code != TYPE_CODE_ENUM)
|
|
|
|
|
|| (TYPE_CODE (tp) != TYPE_CODE_ENUM
|
|
|
|
|
&& type_code == TYPE_CODE_ENUM))
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_tag_guess_complaint, sym_name);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (TYPE_CODE (tp) != type_code)
|
|
|
|
|
{
|
|
|
|
|
TYPE_CODE (tp) = type_code;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Do not set the tag name if it is a compiler generated tag name
|
|
|
|
|
(.Fxx or .xxfake or empty) for unnamed struct/union/enums. */
|
|
|
|
|
if (name[0] == '.' || name[0] == '\0')
|
|
|
|
|
TYPE_TAG_NAME (tp) = NULL;
|
|
|
|
|
else if (TYPE_TAG_NAME (tp) == NULL
|
|
|
|
|
|| !STREQ (TYPE_TAG_NAME (tp), name))
|
|
|
|
|
TYPE_TAG_NAME (tp) = obsavestring (name, strlen (name),
|
|
|
|
|
¤t_objfile->type_obstack);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* All these types really point to some (common) MIPS type
|
|
|
|
|
definition, and only the type-qualifiers fully identify
|
|
|
|
|
them. We'll make the same effort at sharing.
|
1995-08-26 09:35:13 +02:00
|
|
|
|
FIXME: We are not doing any guessing on range types. */
|
|
|
|
|
if (t->bt == btRange)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
char *name;
|
|
|
|
|
|
|
|
|
|
/* Try to cross reference this type, build new type on failure. */
|
|
|
|
|
ax += cross_ref (fd, ax, &tp, type_code, &name, bigend, sym_name);
|
|
|
|
|
if (tp == (struct type *) NULL)
|
|
|
|
|
tp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
|
|
|
|
|
|
|
|
|
|
/* Make sure that TYPE_CODE(tp) has an expected type code.
|
|
|
|
|
Any type may be returned from cross_ref if file indirect entries
|
|
|
|
|
are corrupted. */
|
|
|
|
|
if (TYPE_CODE (tp) != TYPE_CODE_RANGE)
|
|
|
|
|
{
|
|
|
|
|
complain (&unexpected_type_code_complaint, sym_name);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Usually, TYPE_CODE(tp) is already type_code. The main
|
|
|
|
|
exception is if we guessed wrong re struct/union/enum. */
|
|
|
|
|
if (TYPE_CODE (tp) != type_code)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_tag_guess_complaint, sym_name);
|
|
|
|
|
TYPE_CODE (tp) = type_code;
|
|
|
|
|
}
|
|
|
|
|
if (TYPE_NAME (tp) == NULL || !STREQ (TYPE_NAME (tp), name))
|
|
|
|
|
TYPE_NAME (tp) = obsavestring (name, strlen (name),
|
|
|
|
|
¤t_objfile->type_obstack);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
if (t->bt == btTypedef)
|
|
|
|
|
{
|
|
|
|
|
char *name;
|
|
|
|
|
|
|
|
|
|
/* Try to cross reference this type, it should succeed. */
|
|
|
|
|
ax += cross_ref (fd, ax, &tp, type_code, &name, bigend, sym_name);
|
|
|
|
|
if (tp == (struct type *) NULL)
|
|
|
|
|
{
|
|
|
|
|
complain (&unable_to_cross_ref_complaint, sym_name);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
tp = mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Deal with range types */
|
|
|
|
|
if (t->bt == btRange)
|
|
|
|
|
{
|
|
|
|
|
TYPE_NFIELDS (tp) = 2;
|
|
|
|
|
TYPE_FIELDS (tp) = ((struct field *)
|
|
|
|
|
TYPE_ALLOC (tp, 2 * sizeof (struct field)));
|
|
|
|
|
TYPE_FIELD_NAME (tp, 0) = obsavestring ("Low", strlen ("Low"),
|
|
|
|
|
¤t_objfile->type_obstack);
|
|
|
|
|
TYPE_FIELD_BITPOS (tp, 0) = AUX_GET_DNLOW (bigend, ax);
|
|
|
|
|
ax++;
|
|
|
|
|
TYPE_FIELD_NAME (tp, 1) = obsavestring ("High", strlen ("High"),
|
|
|
|
|
¤t_objfile->type_obstack);
|
|
|
|
|
TYPE_FIELD_BITPOS (tp, 1) = AUX_GET_DNHIGH (bigend, ax);
|
|
|
|
|
ax++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Parse all the type qualifiers now. If there are more
|
|
|
|
|
than 6 the game will continue in the next aux */
|
|
|
|
|
|
|
|
|
|
while (1)
|
|
|
|
|
{
|
|
|
|
|
#define PARSE_TQ(tq) \
|
|
|
|
|
if (t->tq != tqNil) \
|
|
|
|
|
ax += upgrade_type(fd, &tp, t->tq, ax, bigend, sym_name); \
|
|
|
|
|
else \
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
PARSE_TQ (tq0);
|
|
|
|
|
PARSE_TQ (tq1);
|
|
|
|
|
PARSE_TQ (tq2);
|
|
|
|
|
PARSE_TQ (tq3);
|
|
|
|
|
PARSE_TQ (tq4);
|
|
|
|
|
PARSE_TQ (tq5);
|
|
|
|
|
#undef PARSE_TQ
|
|
|
|
|
|
|
|
|
|
/* mips cc 2.x and gcc never put out continued aux entries. */
|
|
|
|
|
if (!t->continued)
|
|
|
|
|
break;
|
|
|
|
|
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (bigend, &ax->a_ti, t);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
ax++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Complain for illegal continuations due to corrupt aux entries. */
|
|
|
|
|
if (t->continued)
|
|
|
|
|
complain (&bad_continued_complaint, sym_name);
|
|
|
|
|
|
|
|
|
|
return tp;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Make up a complex type from a basic one. Type is passed by
|
|
|
|
|
reference in TPP and side-effected as necessary. The type
|
|
|
|
|
qualifier TQ says how to handle the aux symbols at AX for
|
|
|
|
|
the symbol SX we are currently analyzing. BIGEND says whether
|
|
|
|
|
aux symbols are big-endian or little-endian.
|
|
|
|
|
Returns the number of aux symbols we parsed. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
upgrade_type (fd, tpp, tq, ax, bigend, sym_name)
|
|
|
|
|
int fd;
|
|
|
|
|
struct type **tpp;
|
|
|
|
|
int tq;
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
int bigend;
|
|
|
|
|
char *sym_name;
|
|
|
|
|
{
|
|
|
|
|
int off;
|
|
|
|
|
struct type *t;
|
|
|
|
|
|
|
|
|
|
/* Used in array processing */
|
|
|
|
|
int rf, id;
|
|
|
|
|
FDR *fh;
|
|
|
|
|
struct type *range;
|
|
|
|
|
struct type *indx;
|
|
|
|
|
int lower, upper;
|
|
|
|
|
RNDXR rndx;
|
|
|
|
|
|
|
|
|
|
switch (tq)
|
|
|
|
|
{
|
|
|
|
|
case tqPtr:
|
|
|
|
|
t = lookup_pointer_type (*tpp);
|
|
|
|
|
*tpp = t;
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
case tqProc:
|
|
|
|
|
t = lookup_function_type (*tpp);
|
|
|
|
|
*tpp = t;
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
case tqArray:
|
|
|
|
|
off = 0;
|
|
|
|
|
|
|
|
|
|
/* Determine and record the domain type (type of index) */
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_rndx_in) (bigend, &ax->a_rndx, &rndx);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
id = rndx.index;
|
|
|
|
|
rf = rndx.rfd;
|
|
|
|
|
if (rf == 0xfff)
|
|
|
|
|
{
|
|
|
|
|
ax++;
|
|
|
|
|
rf = AUX_GET_ISYM (bigend, ax);
|
|
|
|
|
off++;
|
|
|
|
|
}
|
|
|
|
|
fh = get_rfd (fd, rf);
|
|
|
|
|
|
1995-11-25 12:32:18 +01:00
|
|
|
|
indx = parse_type (fh - debug_info->fdr,
|
|
|
|
|
debug_info->external_aux + fh->iauxBase,
|
1993-12-06 18:12:23 +01:00
|
|
|
|
id, (int *) NULL, bigend, sym_name);
|
|
|
|
|
|
|
|
|
|
/* The bounds type should be an integer type, but might be anything
|
|
|
|
|
else due to corrupt aux entries. */
|
|
|
|
|
if (TYPE_CODE (indx) != TYPE_CODE_INT)
|
|
|
|
|
{
|
|
|
|
|
complain (&array_index_type_complaint, sym_name);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
indx = mdebug_type_int;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Get the bounds, and create the array type. */
|
|
|
|
|
ax++;
|
|
|
|
|
lower = AUX_GET_DNLOW (bigend, ax);
|
|
|
|
|
ax++;
|
|
|
|
|
upper = AUX_GET_DNHIGH (bigend, ax);
|
|
|
|
|
ax++;
|
|
|
|
|
rf = AUX_GET_WIDTH (bigend, ax); /* bit size of array element */
|
|
|
|
|
|
|
|
|
|
range = create_range_type ((struct type *) NULL, indx,
|
|
|
|
|
lower, upper);
|
|
|
|
|
|
|
|
|
|
t = create_array_type ((struct type *) NULL, *tpp, range);
|
|
|
|
|
|
|
|
|
|
/* We used to fill in the supplied array element bitsize
|
|
|
|
|
here if the TYPE_LENGTH of the target type was zero.
|
|
|
|
|
This happens for a `pointer to an array of anonymous structs',
|
|
|
|
|
but in this case the array element bitsize is also zero,
|
|
|
|
|
so nothing is gained.
|
|
|
|
|
And we used to check the TYPE_LENGTH of the target type against
|
|
|
|
|
the supplied array element bitsize.
|
|
|
|
|
gcc causes a mismatch for `pointer to array of object',
|
|
|
|
|
since the sdb directives it uses do not have a way of
|
|
|
|
|
specifying the bitsize, but it does no harm (the
|
|
|
|
|
TYPE_LENGTH should be correct) and we should be able to
|
|
|
|
|
ignore the erroneous bitsize from the auxiliary entry safely.
|
|
|
|
|
dbx seems to ignore it too. */
|
|
|
|
|
|
1995-08-26 09:35:13 +02:00
|
|
|
|
/* TYPE_FLAG_TARGET_STUB now takes care of the zero TYPE_LENGTH
|
|
|
|
|
problem. */
|
|
|
|
|
if (TYPE_LENGTH (*tpp) == 0)
|
|
|
|
|
{
|
|
|
|
|
TYPE_FLAGS (t) |= TYPE_FLAG_TARGET_STUB;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
*tpp = t;
|
|
|
|
|
return 4 + off;
|
|
|
|
|
|
|
|
|
|
case tqVol:
|
|
|
|
|
/* Volatile -- currently ignored */
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
case tqConst:
|
|
|
|
|
/* Const -- currently ignored */
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
complain (&unknown_type_qual_complaint, tq);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Parse a procedure descriptor record PR. Note that the procedure is
|
|
|
|
|
parsed _after_ the local symbols, now we just insert the extra
|
|
|
|
|
information we need into a MIPS_EFI_SYMBOL_NAME symbol that has
|
|
|
|
|
already been placed in the procedure's main block. Note also that
|
|
|
|
|
images that have been partially stripped (ld -x) have been deprived
|
|
|
|
|
of local symbols, and we have to cope with them here. FIRST_OFF is
|
|
|
|
|
the offset of the first procedure for this FDR; we adjust the
|
|
|
|
|
address by this amount, but I don't know why. SEARCH_SYMTAB is the symtab
|
|
|
|
|
to look for the function which contains the MIPS_EFI_SYMBOL_NAME symbol
|
|
|
|
|
in question, or NULL to use top_stack->cur_block. */
|
|
|
|
|
|
1997-03-22 05:40:03 +01:00
|
|
|
|
static void parse_procedure PARAMS ((PDR *, struct symtab *,
|
1994-06-12 13:10:13 +02:00
|
|
|
|
struct partial_symtab *));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
static void
|
1997-03-22 05:40:03 +01:00
|
|
|
|
parse_procedure (pr, search_symtab, pst)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
PDR *pr;
|
|
|
|
|
struct symtab *search_symtab;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
struct partial_symtab *pst;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
struct symbol *s, *i;
|
|
|
|
|
struct block *b;
|
|
|
|
|
struct mips_extra_func_info *e;
|
|
|
|
|
char *sh_name;
|
|
|
|
|
|
|
|
|
|
/* Simple rule to find files linked "-x" */
|
|
|
|
|
if (cur_fdr->rss == -1)
|
|
|
|
|
{
|
|
|
|
|
if (pr->isym == -1)
|
|
|
|
|
{
|
|
|
|
|
/* Static procedure at address pr->adr. Sigh. */
|
Fix many sins which will come up in 32 bit x 64 bit GDB, and
various miscellaneous things discovered in the process:
* printcmd.c, defs.h (print_address_numeric): New function.
* c-valprint.c (c_val_print), ch-valprint.c (chill_val_print)
breakpoint.c (describe_other_breakpoints, breakpoint_1, mention),
cp-valprint.c (cplus_print_value), infcmd.c (jump_command),
printcmd.c, stack.c, symfile.c, symmisc.c, valprint.c:
Use it.
* utils.c, defs.h (gdb_print_address): New function.
* expprint (dump_expression), gdbtypes.h: Use it.
* breakpoint.c (describe_other_breakpoints),
symmisc.c (dump_symtab, print_symbol):
Use filtered not unfiltered I/O.
(remove_breakpoints): Remove BREAKPOINT_DEBUG code. Might as well
just run gdb under a debugger for this (and it had problems with
printing addresses, how to print b->shadow, etc.).
* buildsym.c (make_blockvector), core.c (memory_error),
exec.c (print_section_info), maint.c (print_section_table),
mdebugread.c (parse_procedure), solib.c, source.c, symfile.c,
symmisc.c, symtab.c, valops.c, valprint.c, xcoffexec.c:
Add comments saying code is broken. Marked with "FIXME-32x64".
* dbxread.c (process_one_symbol), partial-stab.h (default),
remote-vx.c (vx_run_files_info):
Don't cast int being passed to local_hex_string.
* symmisc.c (print_symbol): Don't cast long being passed to %lx.
* symtab.h (general_symbol_info): Add comment about SYMBOL_VALUE
only being a long.
* symmisc.c (print_symbol): Print "offset" in message for LOC_ARG
and LOC_LOCAL.
* printcmd.c (print_address): Remove #if 0 code with ADDR_BITS_REMOVE.
* source.c: Include <sys/types.h> regardless of USG.
1994-01-27 01:36:05 +01:00
|
|
|
|
/* FIXME-32x64. assuming pr->adr fits in long. */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
complain (&pdr_static_symbol_complaint, (unsigned long) pr->adr);
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* external */
|
|
|
|
|
EXTR she;
|
|
|
|
|
|
|
|
|
|
(*debug_swap->swap_ext_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_ext
|
|
|
|
|
+ (pr->isym
|
|
|
|
|
* debug_swap->external_ext_size)),
|
|
|
|
|
&she);
|
|
|
|
|
sh_name = debug_info->ssext + she.asym.iss;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Full symbols */
|
|
|
|
|
SYMR sh;
|
|
|
|
|
|
|
|
|
|
(*debug_swap->swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ ((cur_fdr->isymBase + pr->isym)
|
|
|
|
|
* debug_swap->external_sym_size)),
|
|
|
|
|
&sh);
|
|
|
|
|
sh_name = debug_info->ss + cur_fdr->issBase + sh.iss;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (search_symtab != NULL)
|
|
|
|
|
{
|
|
|
|
|
#if 0
|
|
|
|
|
/* This loses both in the case mentioned (want a static, find a global),
|
|
|
|
|
but also if we are looking up a non-mangled name which happens to
|
|
|
|
|
match the name of a mangled function. */
|
|
|
|
|
/* We have to save the cur_fdr across the call to lookup_symbol.
|
|
|
|
|
If the pdr is for a static function and if a global function with
|
|
|
|
|
the same name exists, lookup_symbol will eventually read in the symtab
|
|
|
|
|
for the global function and clobber cur_fdr. */
|
|
|
|
|
FDR *save_cur_fdr = cur_fdr;
|
|
|
|
|
s = lookup_symbol (sh_name, NULL, VAR_NAMESPACE, 0, NULL);
|
|
|
|
|
cur_fdr = save_cur_fdr;
|
|
|
|
|
#else
|
|
|
|
|
s = mylookup_symbol
|
|
|
|
|
(sh_name,
|
|
|
|
|
BLOCKVECTOR_BLOCK (BLOCKVECTOR (search_symtab), STATIC_BLOCK),
|
|
|
|
|
VAR_NAMESPACE,
|
|
|
|
|
LOC_BLOCK);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
s = mylookup_symbol (sh_name, top_stack->cur_block,
|
|
|
|
|
VAR_NAMESPACE, LOC_BLOCK);
|
|
|
|
|
|
|
|
|
|
if (s != 0)
|
|
|
|
|
{
|
|
|
|
|
b = SYMBOL_BLOCK_VALUE (s);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
complain (&pdr_for_nonsymbol_complaint, sh_name);
|
|
|
|
|
#if 1
|
|
|
|
|
return;
|
|
|
|
|
#else
|
|
|
|
|
/* FIXME -- delete. We can't do symbol allocation now; it's all done. */
|
|
|
|
|
s = new_symbol (sh_name);
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_BLOCK;
|
|
|
|
|
/* Donno its type, hope int is ok */
|
1995-07-20 07:52:42 +02:00
|
|
|
|
SYMBOL_TYPE (s) = lookup_function_type (mdebug_type_int);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
add_symbol (s, top_stack->cur_block);
|
|
|
|
|
/* Wont have symbols for this one */
|
|
|
|
|
b = new_block (2);
|
|
|
|
|
SYMBOL_BLOCK_VALUE (s) = b;
|
|
|
|
|
BLOCK_FUNCTION (b) = s;
|
|
|
|
|
BLOCK_START (b) = pr->adr;
|
|
|
|
|
/* BOUND used to be the end of procedure's text, but the
|
|
|
|
|
argument is no longer passed in. */
|
|
|
|
|
BLOCK_END (b) = bound;
|
|
|
|
|
BLOCK_SUPERBLOCK (b) = top_stack->cur_block;
|
|
|
|
|
add_block (b, top_stack->cur_st);
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
i = mylookup_symbol (MIPS_EFI_SYMBOL_NAME, b, LABEL_NAMESPACE, LOC_CONST);
|
|
|
|
|
|
|
|
|
|
if (i)
|
|
|
|
|
{
|
|
|
|
|
e = (struct mips_extra_func_info *) SYMBOL_VALUE (i);
|
|
|
|
|
e->pdr = *pr;
|
|
|
|
|
e->pdr.isym = (long) s;
|
1997-03-26 15:48:59 +01:00
|
|
|
|
|
|
|
|
|
/* GDB expects the absolute function start address for the
|
|
|
|
|
procedure descriptor in e->pdr.adr.
|
|
|
|
|
As the address in the procedure descriptor is usually relative,
|
|
|
|
|
we would have to relocate e->pdr.adr with cur_fdr->adr and
|
|
|
|
|
ANOFFSET (pst->section_offsets, SECT_OFF_TEXT).
|
|
|
|
|
Unfortunately cur_fdr->adr and e->pdr.adr are both absolute
|
|
|
|
|
in shared libraries on some systems, and on other systems
|
|
|
|
|
e->pdr.adr is sometimes offset by a bogus value.
|
|
|
|
|
To work around these problems, we replace e->pdr.adr with
|
|
|
|
|
the start address of the function. */
|
|
|
|
|
e->pdr.adr = BLOCK_START (b);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Correct incorrect setjmp procedure descriptor from the library
|
|
|
|
|
to make backtrace through setjmp work. */
|
|
|
|
|
if (e->pdr.pcreg == 0 && STREQ (sh_name, "setjmp"))
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_setjmp_pdr_complaint, 0);
|
|
|
|
|
e->pdr.pcreg = RA_REGNUM;
|
|
|
|
|
e->pdr.regmask = 0x80000000;
|
|
|
|
|
e->pdr.regoffset = -4;
|
|
|
|
|
}
|
|
|
|
|
}
|
1995-04-08 11:59:02 +02:00
|
|
|
|
|
|
|
|
|
/* It would be reasonable that functions that have been compiled
|
|
|
|
|
without debugging info have a btNil type for their return value,
|
|
|
|
|
and functions that are void and are compiled with debugging info
|
|
|
|
|
have btVoid.
|
|
|
|
|
gcc and DEC f77 put out btNil types for both cases, so btNil is mapped
|
|
|
|
|
to TYPE_CODE_VOID in parse_type to get the `compiled with debugging info'
|
|
|
|
|
case right.
|
|
|
|
|
The glevel field in cur_fdr could be used to determine the presence
|
|
|
|
|
of debugging info, but GCC doesn't always pass the -g switch settings
|
|
|
|
|
to the assembler and GAS doesn't set the glevel field from the -g switch
|
|
|
|
|
settings.
|
|
|
|
|
To work around these problems, the return value type of a TYPE_CODE_VOID
|
|
|
|
|
function is adjusted accordingly if no debugging info was found in the
|
|
|
|
|
compilation unit. */
|
|
|
|
|
|
|
|
|
|
if (processing_gcc_compilation == 0
|
|
|
|
|
&& found_ecoff_debugging_info == 0
|
|
|
|
|
&& TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (s))) == TYPE_CODE_VOID)
|
|
|
|
|
SYMBOL_TYPE (s) = nodebug_func_symbol_type;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
|
1994-03-21 20:57:38 +01:00
|
|
|
|
/* Relocate the extra function info pointed to by the symbol table. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
ecoff_relocate_efi (sym, delta)
|
|
|
|
|
struct symbol *sym;
|
|
|
|
|
CORE_ADDR delta;
|
|
|
|
|
{
|
|
|
|
|
struct mips_extra_func_info *e;
|
|
|
|
|
|
|
|
|
|
e = (struct mips_extra_func_info *) SYMBOL_VALUE (sym);
|
|
|
|
|
|
|
|
|
|
e->pdr.adr += delta;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Parse the external symbol ES. Just call parse_symbol() after
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
making sure we know where the aux are for it.
|
1993-12-06 18:12:23 +01:00
|
|
|
|
BIGEND says whether aux entries are big-endian or little-endian.
|
|
|
|
|
|
|
|
|
|
This routine clobbers top_stack->cur_block and ->cur_st. */
|
|
|
|
|
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
static void parse_external PARAMS ((EXTR *, int, struct section_offsets *));
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
static void
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
parse_external (es, bigend, section_offsets)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
EXTR *es;
|
|
|
|
|
int bigend;
|
1994-03-21 20:57:38 +01:00
|
|
|
|
struct section_offsets *section_offsets;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
|
|
|
|
|
if (es->ifd != ifdNil)
|
|
|
|
|
{
|
|
|
|
|
cur_fd = es->ifd;
|
|
|
|
|
cur_fdr = debug_info->fdr + cur_fd;
|
|
|
|
|
ax = debug_info->external_aux + cur_fdr->iauxBase;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
cur_fdr = debug_info->fdr;
|
|
|
|
|
ax = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Reading .o files */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (es->asym.sc == scUndefined || es->asym.sc == scSUndefined
|
|
|
|
|
|| es->asym.sc == scNil)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
char *what;
|
|
|
|
|
switch (es->asym.st)
|
|
|
|
|
{
|
|
|
|
|
case stNil:
|
|
|
|
|
/* These are generated for static symbols in .o files,
|
|
|
|
|
ignore them. */
|
|
|
|
|
return;
|
|
|
|
|
case stStaticProc:
|
|
|
|
|
case stProc:
|
|
|
|
|
what = "procedure";
|
|
|
|
|
n_undef_procs++;
|
|
|
|
|
break;
|
|
|
|
|
case stGlobal:
|
|
|
|
|
what = "variable";
|
|
|
|
|
n_undef_vars++;
|
|
|
|
|
break;
|
|
|
|
|
case stLabel:
|
|
|
|
|
what = "label";
|
|
|
|
|
n_undef_labels++;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
what = "symbol";
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
n_undef_symbols++;
|
|
|
|
|
/* FIXME: Turn this into a complaint? */
|
|
|
|
|
if (info_verbose)
|
|
|
|
|
printf_filtered ("Warning: %s `%s' is undefined (in %s)\n",
|
|
|
|
|
what, debug_info->ssext + es->asym.iss,
|
|
|
|
|
fdr_name (cur_fdr));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
switch (es->asym.st)
|
|
|
|
|
{
|
|
|
|
|
case stProc:
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
case stStaticProc:
|
|
|
|
|
/* There is no need to parse the external procedure symbols.
|
|
|
|
|
If they are from objects compiled without -g, their index will
|
|
|
|
|
be indexNil, and the symbol definition from the minimal symbol
|
|
|
|
|
is preferrable (yielding a function returning int instead of int).
|
|
|
|
|
If the index points to a local procedure symbol, the local
|
|
|
|
|
symbol already provides the correct type.
|
|
|
|
|
Note that the index of the external procedure symbol points
|
|
|
|
|
to the local procedure symbol in the local symbol table, and
|
|
|
|
|
_not_ to the auxiliary symbol info. */
|
|
|
|
|
break;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
case stGlobal:
|
|
|
|
|
case stLabel:
|
1994-09-11 13:43:40 +02:00
|
|
|
|
/* Global common symbols are resolved by the runtime loader,
|
|
|
|
|
ignore them. */
|
|
|
|
|
if (es->asym.sc == scCommon || es->asym.sc == scSCommon)
|
|
|
|
|
break;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Note that the case of a symbol with indexNil must be handled
|
|
|
|
|
anyways by parse_symbol(). */
|
1994-03-21 20:57:38 +01:00
|
|
|
|
parse_symbol (&es->asym, ax, (char *) NULL, bigend, section_offsets);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Parse the line number info for file descriptor FH into
|
|
|
|
|
GDB's linetable LT. MIPS' encoding requires a little bit
|
|
|
|
|
of magic to get things out. Note also that MIPS' line
|
|
|
|
|
numbers can go back and forth, apparently we can live
|
|
|
|
|
with that and do not need to reorder our linetables */
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
static void parse_lines PARAMS ((FDR *, PDR *, struct linetable *, int,
|
1995-11-25 12:32:18 +01:00
|
|
|
|
struct partial_symtab *, CORE_ADDR));
|
1994-06-12 13:10:13 +02:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
static void
|
1995-11-25 12:32:18 +01:00
|
|
|
|
parse_lines (fh, pr, lt, maxlines, pst, lowest_pdr_addr)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
FDR *fh;
|
|
|
|
|
PDR *pr;
|
|
|
|
|
struct linetable *lt;
|
|
|
|
|
int maxlines;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
struct partial_symtab *pst;
|
1995-11-25 12:32:18 +01:00
|
|
|
|
CORE_ADDR lowest_pdr_addr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
unsigned char *base;
|
|
|
|
|
int j, k;
|
|
|
|
|
int delta, count, lineno = 0;
|
|
|
|
|
|
|
|
|
|
if (fh->cbLine == 0)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/* Scan by procedure descriptors */
|
|
|
|
|
k = 0;
|
|
|
|
|
for (j = 0; j < fh->cpd; j++, pr++)
|
|
|
|
|
{
|
1995-11-25 12:32:18 +01:00
|
|
|
|
CORE_ADDR l;
|
|
|
|
|
CORE_ADDR adr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
unsigned char *halt;
|
|
|
|
|
|
|
|
|
|
/* No code for this one */
|
|
|
|
|
if (pr->iline == ilineNil ||
|
|
|
|
|
pr->lnLow == -1 || pr->lnHigh == -1)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
/* Determine start and end address of compressed line bytes for
|
|
|
|
|
this procedure. */
|
|
|
|
|
base = debug_info->line + fh->cbLineOffset;
|
|
|
|
|
if (j != (fh->cpd - 1))
|
|
|
|
|
halt = base + pr[1].cbLineOffset;
|
|
|
|
|
else
|
|
|
|
|
halt = base + fh->cbLine;
|
|
|
|
|
base += pr->cbLineOffset;
|
|
|
|
|
|
1995-11-25 12:32:18 +01:00
|
|
|
|
adr = pst->textlow + pr->adr - lowest_pdr_addr;
|
1994-03-21 20:57:38 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
l = adr >> 2; /* in words */
|
|
|
|
|
for (lineno = pr->lnLow; base < halt; )
|
|
|
|
|
{
|
|
|
|
|
count = *base & 0x0f;
|
|
|
|
|
delta = *base++ >> 4;
|
|
|
|
|
if (delta >= 8)
|
|
|
|
|
delta -= 16;
|
|
|
|
|
if (delta == -8)
|
|
|
|
|
{
|
|
|
|
|
delta = (base[0] << 8) | base[1];
|
|
|
|
|
if (delta >= 0x8000)
|
|
|
|
|
delta -= 0x10000;
|
|
|
|
|
base += 2;
|
|
|
|
|
}
|
|
|
|
|
lineno += delta; /* first delta is 0 */
|
|
|
|
|
|
|
|
|
|
/* Complain if the line table overflows. Could happen
|
|
|
|
|
with corrupt binaries. */
|
|
|
|
|
if (lt->nitems >= maxlines)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_linetable_guess_complaint, fdr_name (fh));
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
k = add_line (lt, lineno, l, k);
|
|
|
|
|
l += count + 1;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Master parsing procedure for first-pass reading of file symbols
|
|
|
|
|
into a partial_symtab. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
parse_partial_symbols (objfile, section_offsets)
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
struct section_offsets *section_offsets;
|
|
|
|
|
{
|
|
|
|
|
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
|
|
|
|
|
const bfd_size_type external_rfd_size = debug_swap->external_rfd_size;
|
|
|
|
|
const bfd_size_type external_ext_size = debug_swap->external_ext_size;
|
|
|
|
|
void (* const swap_ext_in) PARAMS ((bfd *, PTR, EXTR *))
|
|
|
|
|
= debug_swap->swap_ext_in;
|
|
|
|
|
void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
|
|
|
|
|
= debug_swap->swap_sym_in;
|
|
|
|
|
void (* const swap_rfd_in) PARAMS ((bfd *, PTR, RFDT *))
|
|
|
|
|
= debug_swap->swap_rfd_in;
|
|
|
|
|
int f_idx, s_idx;
|
|
|
|
|
HDRR *hdr = &debug_info->symbolic_header;
|
|
|
|
|
/* Running pointers */
|
|
|
|
|
FDR *fh;
|
|
|
|
|
char *ext_out;
|
|
|
|
|
char *ext_out_end;
|
|
|
|
|
EXTR *ext_block;
|
|
|
|
|
register EXTR *ext_in;
|
|
|
|
|
EXTR *ext_in_end;
|
|
|
|
|
SYMR sh;
|
|
|
|
|
struct partial_symtab *pst;
|
1996-07-23 03:24:58 +02:00
|
|
|
|
int textlow_not_set = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
int past_first_source_file = 0;
|
|
|
|
|
|
|
|
|
|
/* List of current psymtab's include files */
|
|
|
|
|
char **psymtab_include_list;
|
|
|
|
|
int includes_allocated;
|
|
|
|
|
int includes_used;
|
|
|
|
|
EXTR *extern_tab;
|
|
|
|
|
struct pst_map *fdr_to_pst;
|
|
|
|
|
/* Index within current psymtab dependency list */
|
|
|
|
|
struct partial_symtab **dependency_list;
|
|
|
|
|
int dependencies_used, dependencies_allocated;
|
|
|
|
|
struct cleanup *old_chain;
|
|
|
|
|
char *name;
|
|
|
|
|
enum language prev_language;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
asection *text_sect;
|
|
|
|
|
int relocatable = 0;
|
|
|
|
|
|
|
|
|
|
/* Irix 5.2 shared libraries have a fh->adr field of zero, but
|
|
|
|
|
the shared libraries are prelinked at a high memory address.
|
|
|
|
|
We have to adjust the start address of the object file for this case,
|
|
|
|
|
by setting it to the start address of the first procedure in the file.
|
|
|
|
|
But we should do no adjustments if we are debugging a .o file, where
|
|
|
|
|
the text section (and fh->adr) really starts at zero. */
|
|
|
|
|
text_sect = bfd_get_section_by_name (cur_bfd, ".text");
|
|
|
|
|
if (text_sect != NULL
|
|
|
|
|
&& (bfd_get_section_flags (cur_bfd, text_sect) & SEC_RELOC))
|
|
|
|
|
relocatable = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
extern_tab = (EXTR *) obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
sizeof (EXTR) * hdr->iextMax);
|
|
|
|
|
|
|
|
|
|
includes_allocated = 30;
|
|
|
|
|
includes_used = 0;
|
|
|
|
|
psymtab_include_list = (char **) alloca (includes_allocated *
|
|
|
|
|
sizeof (char *));
|
|
|
|
|
next_symbol_text_func = mdebug_next_symbol_text;
|
|
|
|
|
|
|
|
|
|
dependencies_allocated = 30;
|
|
|
|
|
dependencies_used = 0;
|
|
|
|
|
dependency_list =
|
|
|
|
|
(struct partial_symtab **) alloca (dependencies_allocated *
|
|
|
|
|
sizeof (struct partial_symtab *));
|
|
|
|
|
|
|
|
|
|
last_source_file = NULL;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Big plan:
|
|
|
|
|
*
|
|
|
|
|
* Only parse the Local and External symbols, and the Relative FDR.
|
|
|
|
|
* Fixup enough of the loader symtab to be able to use it.
|
|
|
|
|
* Allocate space only for the file's portions we need to
|
|
|
|
|
* look at. (XXX)
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
max_gdbinfo = 0;
|
|
|
|
|
max_glevel = MIN_GLEVEL;
|
|
|
|
|
|
|
|
|
|
/* Allocate the map FDR -> PST.
|
|
|
|
|
Minor hack: -O3 images might claim some global data belongs
|
|
|
|
|
to FDR -1. We`ll go along with that */
|
|
|
|
|
fdr_to_pst = (struct pst_map *) xzalloc ((hdr->ifdMax + 1) * sizeof *fdr_to_pst);
|
|
|
|
|
old_chain = make_cleanup (free, fdr_to_pst);
|
|
|
|
|
fdr_to_pst++;
|
|
|
|
|
{
|
1994-02-19 12:24:36 +01:00
|
|
|
|
struct partial_symtab *pst = new_psymtab ("", objfile, section_offsets);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
fdr_to_pst[-1].pst = pst;
|
|
|
|
|
FDR_IDX (pst) = -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Allocate the global pending list. */
|
|
|
|
|
pending_list =
|
|
|
|
|
((struct mdebug_pending **)
|
|
|
|
|
obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
hdr->ifdMax * sizeof (struct mdebug_pending *)));
|
|
|
|
|
memset ((PTR) pending_list, 0,
|
|
|
|
|
hdr->ifdMax * sizeof (struct mdebug_pending *));
|
|
|
|
|
|
|
|
|
|
/* Pass 0 over external syms: swap them in. */
|
|
|
|
|
ext_block = (EXTR *) xmalloc (hdr->iextMax * sizeof (EXTR));
|
|
|
|
|
make_cleanup (free, ext_block);
|
|
|
|
|
|
|
|
|
|
ext_out = (char *) debug_info->external_ext;
|
|
|
|
|
ext_out_end = ext_out + hdr->iextMax * external_ext_size;
|
|
|
|
|
ext_in = ext_block;
|
|
|
|
|
for (; ext_out < ext_out_end; ext_out += external_ext_size, ext_in++)
|
|
|
|
|
(*swap_ext_in) (cur_bfd, ext_out, ext_in);
|
|
|
|
|
|
|
|
|
|
/* Pass 1 over external syms: Presize and partition the list */
|
|
|
|
|
ext_in = ext_block;
|
|
|
|
|
ext_in_end = ext_in + hdr->iextMax;
|
|
|
|
|
for (; ext_in < ext_in_end; ext_in++)
|
|
|
|
|
{
|
|
|
|
|
/* See calls to complain below. */
|
|
|
|
|
if (ext_in->ifd >= -1
|
|
|
|
|
&& ext_in->ifd < hdr->ifdMax
|
|
|
|
|
&& ext_in->asym.iss >= 0
|
|
|
|
|
&& ext_in->asym.iss < hdr->issExtMax)
|
|
|
|
|
fdr_to_pst[ext_in->ifd].n_globals++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Pass 1.5 over files: partition out global symbol space */
|
|
|
|
|
s_idx = 0;
|
|
|
|
|
for (f_idx = -1; f_idx < hdr->ifdMax; f_idx++)
|
|
|
|
|
{
|
|
|
|
|
fdr_to_pst[f_idx].globals_offset = s_idx;
|
|
|
|
|
s_idx += fdr_to_pst[f_idx].n_globals;
|
|
|
|
|
fdr_to_pst[f_idx].n_globals = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Pass 2 over external syms: fill in external symbols */
|
|
|
|
|
ext_in = ext_block;
|
|
|
|
|
ext_in_end = ext_in + hdr->iextMax;
|
|
|
|
|
for (; ext_in < ext_in_end; ext_in++)
|
|
|
|
|
{
|
|
|
|
|
enum minimal_symbol_type ms_type = mst_text;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
CORE_ADDR svalue = ext_in->asym.value;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* The Irix 5 native tools seem to sometimes generate bogus
|
|
|
|
|
external symbols. */
|
|
|
|
|
if (ext_in->ifd < -1 || ext_in->ifd >= hdr->ifdMax)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_ext_ifd_complaint, ext_in->ifd, hdr->ifdMax);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
if (ext_in->asym.iss < 0 || ext_in->asym.iss >= hdr->issExtMax)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_ext_iss_complaint, ext_in->asym.iss,
|
|
|
|
|
hdr->issExtMax);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
extern_tab[fdr_to_pst[ext_in->ifd].globals_offset
|
|
|
|
|
+ fdr_to_pst[ext_in->ifd].n_globals++] = *ext_in;
|
|
|
|
|
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (ext_in->asym.sc == scUndefined || ext_in->asym.sc == scSUndefined
|
|
|
|
|
|| ext_in->asym.sc == scNil)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
name = debug_info->ssext + ext_in->asym.iss;
|
|
|
|
|
switch (ext_in->asym.st)
|
|
|
|
|
{
|
|
|
|
|
case stProc:
|
1994-06-12 13:10:13 +02:00
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
case stStaticProc:
|
|
|
|
|
ms_type = mst_file_text;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
case stGlobal:
|
1994-09-11 13:43:40 +02:00
|
|
|
|
if (ext_in->asym.sc == scCommon || ext_in->asym.sc == scSCommon)
|
1994-03-10 10:28:18 +01:00
|
|
|
|
{
|
|
|
|
|
/* The value of a common symbol is its size, not its address.
|
|
|
|
|
Ignore it. */
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
else if (ext_in->asym.sc == scData
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|| ext_in->asym.sc == scSData
|
1994-03-10 10:28:18 +01:00
|
|
|
|
|| ext_in->asym.sc == scRData
|
|
|
|
|
|| ext_in->asym.sc == scPData
|
|
|
|
|
|| ext_in->asym.sc == scXData)
|
1994-06-12 13:10:13 +02:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_data;
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else
|
1994-06-12 13:10:13 +02:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_bss;
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
case stLabel:
|
|
|
|
|
if (ext_in->asym.sc == scAbs)
|
|
|
|
|
ms_type = mst_abs;
|
1994-03-10 10:28:18 +01:00
|
|
|
|
else if (ext_in->asym.sc == scText
|
|
|
|
|
|| ext_in->asym.sc == scInit
|
|
|
|
|
|| ext_in->asym.sc == scFini)
|
1994-06-12 13:10:13 +02:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_text;
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else if (ext_in->asym.sc == scData
|
|
|
|
|
|| ext_in->asym.sc == scSData
|
1994-03-10 10:28:18 +01:00
|
|
|
|
|| ext_in->asym.sc == scRData
|
|
|
|
|
|| ext_in->asym.sc == scPData
|
|
|
|
|
|| ext_in->asym.sc == scXData)
|
1994-06-12 13:10:13 +02:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_data;
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else
|
1994-06-12 13:10:13 +02:00
|
|
|
|
{
|
|
|
|
|
ms_type = mst_file_bss;
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
break;
|
|
|
|
|
case stLocal:
|
1996-10-26 16:22:35 +02:00
|
|
|
|
case stNil:
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* The alpha has the section start addresses in stLocal symbols
|
|
|
|
|
whose name starts with a `.'. Skip those but complain for all
|
1996-10-26 16:22:35 +02:00
|
|
|
|
other stLocal symbols.
|
|
|
|
|
Irix6 puts the section start addresses in stNil symbols, skip
|
|
|
|
|
those too. */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (name[0] == '.')
|
|
|
|
|
continue;
|
|
|
|
|
/* Fall through. */
|
|
|
|
|
default:
|
|
|
|
|
ms_type = mst_unknown;
|
|
|
|
|
complain (&unknown_ext_complaint, name);
|
|
|
|
|
}
|
1994-06-12 13:10:13 +02:00
|
|
|
|
prim_record_minimal_symbol (name, svalue, ms_type, objfile);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Pass 3 over files, over local syms: fill in static symbols */
|
|
|
|
|
for (f_idx = 0; f_idx < hdr->ifdMax; f_idx++)
|
|
|
|
|
{
|
|
|
|
|
struct partial_symtab *save_pst;
|
|
|
|
|
EXTR *ext_ptr;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
CORE_ADDR textlow;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
cur_fdr = fh = debug_info->fdr + f_idx;
|
|
|
|
|
|
1997-09-15 23:06:16 +02:00
|
|
|
|
/* If a partial symbol table has already been read for this file,
|
|
|
|
|
don't make another one. This works around a problem with some
|
|
|
|
|
compilers that emit both DWARF and mdebug sections for a single
|
|
|
|
|
module. */
|
|
|
|
|
if (lookup_partial_symtab (fdr_name (fh)))
|
|
|
|
|
continue;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (fh->csym == 0)
|
|
|
|
|
{
|
|
|
|
|
fdr_to_pst[f_idx].pst = NULL;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
1994-06-12 13:10:13 +02:00
|
|
|
|
|
|
|
|
|
/* Determine the start address for this object file from the
|
|
|
|
|
file header and relocate it, except for Irix 5.2 zero fh->adr. */
|
|
|
|
|
if (fh->cpd)
|
|
|
|
|
{
|
|
|
|
|
textlow = fh->adr;
|
|
|
|
|
if (relocatable || textlow != 0)
|
|
|
|
|
textlow += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
textlow = 0;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
pst = start_psymtab_common (objfile, section_offsets,
|
|
|
|
|
fdr_name (fh),
|
1994-06-12 13:10:13 +02:00
|
|
|
|
textlow,
|
1993-12-06 18:12:23 +01:00
|
|
|
|
objfile->global_psymbols.next,
|
|
|
|
|
objfile->static_psymbols.next);
|
|
|
|
|
pst->read_symtab_private = ((char *)
|
|
|
|
|
obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
sizeof (struct symloc)));
|
|
|
|
|
memset ((PTR) pst->read_symtab_private, 0, sizeof (struct symloc));
|
|
|
|
|
|
|
|
|
|
save_pst = pst;
|
|
|
|
|
FDR_IDX (pst) = f_idx;
|
|
|
|
|
CUR_BFD (pst) = cur_bfd;
|
|
|
|
|
DEBUG_SWAP (pst) = debug_swap;
|
|
|
|
|
DEBUG_INFO (pst) = debug_info;
|
|
|
|
|
PENDING_LIST (pst) = pending_list;
|
|
|
|
|
|
|
|
|
|
/* The way to turn this into a symtab is to call... */
|
|
|
|
|
pst->read_symtab = mdebug_psymtab_to_symtab;
|
|
|
|
|
|
|
|
|
|
/* Set up language for the pst.
|
|
|
|
|
The language from the FDR is used if it is unambigious (e.g. cfront
|
|
|
|
|
with native cc and g++ will set the language to C).
|
|
|
|
|
Otherwise we have to deduce the language from the filename.
|
|
|
|
|
Native ecoff has every header file in a separate FDR, so
|
|
|
|
|
deduce_language_from_filename will return language_unknown for
|
|
|
|
|
a header file, which is not what we want.
|
|
|
|
|
But the FDRs for the header files are after the FDR for the source
|
|
|
|
|
file, so we can assign the language of the source file to the
|
|
|
|
|
following header files. Then we save the language in the private
|
|
|
|
|
pst data so that we can reuse it when building symtabs. */
|
|
|
|
|
prev_language = psymtab_language;
|
|
|
|
|
|
|
|
|
|
switch (fh->lang)
|
|
|
|
|
{
|
|
|
|
|
case langCplusplusV2:
|
|
|
|
|
psymtab_language = language_cplus;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
psymtab_language = deduce_language_from_filename (fdr_name (fh));
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
if (psymtab_language == language_unknown)
|
|
|
|
|
psymtab_language = prev_language;
|
|
|
|
|
PST_PRIVATE (pst)->pst_language = psymtab_language;
|
|
|
|
|
|
|
|
|
|
pst->texthigh = pst->textlow;
|
|
|
|
|
|
|
|
|
|
/* For stabs-in-ecoff files, the second symbol must be @stab.
|
|
|
|
|
This symbol is emitted by mips-tfile to signal that the
|
|
|
|
|
current object file uses encapsulated stabs instead of mips
|
|
|
|
|
ecoff for local symbols. (It is the second symbol because
|
|
|
|
|
the first symbol is the stFile used to signal the start of a
|
|
|
|
|
file). */
|
|
|
|
|
processing_gcc_compilation = 0;
|
|
|
|
|
if (fh->csym >= 2)
|
|
|
|
|
{
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ (fh->isymBase + 1) * external_sym_size),
|
|
|
|
|
&sh);
|
|
|
|
|
if (STREQ (debug_info->ss + fh->issBase + sh.iss, stabs_symbol))
|
|
|
|
|
processing_gcc_compilation = 2;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (processing_gcc_compilation != 0)
|
|
|
|
|
{
|
|
|
|
|
for (cur_sdx = 2; cur_sdx < fh->csym; cur_sdx++)
|
|
|
|
|
{
|
|
|
|
|
int type_code;
|
|
|
|
|
char *namestring;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
(((char *) debug_info->external_sym)
|
|
|
|
|
+ (fh->isymBase + cur_sdx) * external_sym_size),
|
|
|
|
|
&sh);
|
|
|
|
|
type_code = ECOFF_UNMARK_STAB (sh.index);
|
|
|
|
|
if (!ECOFF_IS_STAB (&sh))
|
|
|
|
|
{
|
|
|
|
|
if (sh.st == stProc || sh.st == stStaticProc)
|
|
|
|
|
{
|
1996-10-22 03:26:20 +02:00
|
|
|
|
CORE_ADDR procaddr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
long isym;
|
1994-03-21 20:57:38 +01:00
|
|
|
|
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
if (sh.st == stStaticProc)
|
|
|
|
|
{
|
|
|
|
|
namestring = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
prim_record_minimal_symbol_and_info (namestring,
|
|
|
|
|
sh.value,
|
|
|
|
|
mst_file_text,
|
|
|
|
|
NULL,
|
|
|
|
|
SECT_OFF_TEXT,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
NULL,
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
objfile);
|
|
|
|
|
}
|
1994-03-21 20:57:38 +01:00
|
|
|
|
procaddr = sh.value;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
isym = AUX_GET_ISYM (fh->fBigendian,
|
|
|
|
|
(debug_info->external_aux
|
|
|
|
|
+ fh->iauxBase
|
|
|
|
|
+ sh.index));
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ ((fh->isymBase + isym - 1)
|
|
|
|
|
* external_sym_size)),
|
|
|
|
|
&sh);
|
|
|
|
|
if (sh.st == stEnd)
|
|
|
|
|
{
|
1996-10-22 03:26:20 +02:00
|
|
|
|
CORE_ADDR high = procaddr + sh.value;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
|
|
|
|
|
/* Kludge for Irix 5.2 zero fh->adr. */
|
|
|
|
|
if (!relocatable
|
|
|
|
|
&& (pst->textlow == 0 || procaddr < pst->textlow))
|
|
|
|
|
pst->textlow = procaddr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (high > pst->texthigh)
|
|
|
|
|
pst->texthigh = high;
|
|
|
|
|
}
|
|
|
|
|
}
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
else if (sh.st == stStatic)
|
|
|
|
|
{
|
|
|
|
|
switch (sh.sc)
|
|
|
|
|
{
|
|
|
|
|
case scUndefined:
|
1996-11-02 12:59:19 +01:00
|
|
|
|
case scSUndefined:
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
case scNil:
|
|
|
|
|
case scAbs:
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case scData:
|
|
|
|
|
case scSData:
|
|
|
|
|
case scRData:
|
|
|
|
|
case scPData:
|
|
|
|
|
case scXData:
|
|
|
|
|
namestring = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
prim_record_minimal_symbol_and_info (namestring,
|
|
|
|
|
sh.value,
|
|
|
|
|
mst_file_data,
|
|
|
|
|
NULL,
|
|
|
|
|
SECT_OFF_DATA,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
NULL,
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
objfile);
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
namestring = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
prim_record_minimal_symbol_and_info (namestring,
|
|
|
|
|
sh.value,
|
|
|
|
|
mst_file_bss,
|
|
|
|
|
NULL,
|
|
|
|
|
SECT_OFF_BSS,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
NULL,
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
objfile);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
#define SET_NAMESTRING() \
|
|
|
|
|
namestring = debug_info->ss + fh->issBase + sh.iss
|
|
|
|
|
#define CUR_SYMBOL_TYPE type_code
|
|
|
|
|
#define CUR_SYMBOL_VALUE sh.value
|
|
|
|
|
#define START_PSYMTAB(ofile,secoff,fname,low,symoff,global_syms,static_syms)\
|
|
|
|
|
pst = save_pst
|
1996-07-23 03:24:58 +02:00
|
|
|
|
#define END_PSYMTAB(pst,ilist,ninc,c_off,c_text,dep_list,n_deps,textlow_not_set) (void)0
|
1993-12-06 18:12:23 +01:00
|
|
|
|
#define HANDLE_RBRAC(val) \
|
|
|
|
|
if ((val) > save_pst->texthigh) save_pst->texthigh = (val);
|
|
|
|
|
#include "partial-stab.h"
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
for (cur_sdx = 0; cur_sdx < fh->csym;)
|
|
|
|
|
{
|
|
|
|
|
char *name;
|
|
|
|
|
enum address_class class;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ ((fh->isymBase + cur_sdx)
|
|
|
|
|
* external_sym_size)),
|
|
|
|
|
&sh);
|
|
|
|
|
|
|
|
|
|
if (ECOFF_IS_STAB (&sh))
|
|
|
|
|
{
|
|
|
|
|
cur_sdx++;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Non absolute static symbols go into the minimal table. */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (sh.sc == scUndefined || sh.sc == scSUndefined
|
|
|
|
|
|| sh.sc == scNil
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|| (sh.index == indexNil
|
|
|
|
|
&& (sh.st != stStatic || sh.sc == scAbs)))
|
|
|
|
|
{
|
|
|
|
|
/* FIXME, premature? */
|
|
|
|
|
cur_sdx++;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
name = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
switch (sh.sc)
|
|
|
|
|
{
|
|
|
|
|
case scText:
|
1996-11-02 12:59:19 +01:00
|
|
|
|
case scRConst:
|
1994-06-12 13:10:13 +02:00
|
|
|
|
/* The value of a stEnd symbol is the displacement from the
|
|
|
|
|
corresponding start symbol value, do not relocate it. */
|
|
|
|
|
if (sh.st != stEnd)
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
|
|
|
|
break;
|
|
|
|
|
case scData:
|
|
|
|
|
case scSData:
|
|
|
|
|
case scRData:
|
|
|
|
|
case scPData:
|
|
|
|
|
case scXData:
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
break;
|
|
|
|
|
case scBss:
|
|
|
|
|
case scSBss:
|
|
|
|
|
sh.value += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
switch (sh.st)
|
|
|
|
|
{
|
1996-10-22 03:26:20 +02:00
|
|
|
|
CORE_ADDR high;
|
|
|
|
|
CORE_ADDR procaddr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
int new_sdx;
|
|
|
|
|
|
1994-03-10 10:28:18 +01:00
|
|
|
|
case stStaticProc:
|
1994-03-21 20:57:38 +01:00
|
|
|
|
prim_record_minimal_symbol_and_info (name, sh.value,
|
|
|
|
|
mst_file_text, NULL,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
SECT_OFF_TEXT, NULL,
|
|
|
|
|
objfile);
|
1994-03-10 10:28:18 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* FALLTHROUGH */
|
|
|
|
|
|
1994-03-10 10:28:18 +01:00
|
|
|
|
case stProc:
|
|
|
|
|
/* Usually there is a local and a global stProc symbol
|
|
|
|
|
for a function. This means that the function name
|
|
|
|
|
has already been entered into the mimimal symbol table
|
|
|
|
|
while processing the global symbols in pass 2 above.
|
|
|
|
|
One notable exception is the PROGRAM name from
|
|
|
|
|
f77 compiled executables, it is only put out as
|
|
|
|
|
local stProc symbol, and a global MAIN__ stProc symbol
|
|
|
|
|
points to it. It doesn't matter though, as gdb is
|
|
|
|
|
still able to find the PROGRAM name via the partial
|
|
|
|
|
symbol table, and the MAIN__ symbol via the minimal
|
|
|
|
|
symbol table. */
|
1994-03-10 19:25:33 +01:00
|
|
|
|
if (sh.st == stProc)
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
1994-03-10 19:25:33 +01:00
|
|
|
|
VAR_NAMESPACE, LOC_BLOCK,
|
1996-04-06 12:19:19 +02:00
|
|
|
|
&objfile->global_psymbols,
|
Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
0, sh.value, psymtab_language, objfile);
|
1994-03-10 19:25:33 +01:00
|
|
|
|
else
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
1994-03-10 19:25:33 +01:00
|
|
|
|
VAR_NAMESPACE, LOC_BLOCK,
|
1996-04-06 12:19:19 +02:00
|
|
|
|
&objfile->static_psymbols,
|
Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
0, sh.value, psymtab_language, objfile);
|
1994-03-10 19:25:33 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Skip over procedure to next one. */
|
|
|
|
|
if (sh.index >= hdr->iauxMax)
|
|
|
|
|
{
|
|
|
|
|
/* Should not happen, but does when cross-compiling
|
|
|
|
|
with the MIPS compiler. FIXME -- pull later. */
|
|
|
|
|
complain (&index_complaint, name);
|
|
|
|
|
new_sdx = cur_sdx + 1; /* Don't skip at all */
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
new_sdx = AUX_GET_ISYM (fh->fBigendian,
|
|
|
|
|
(debug_info->external_aux
|
|
|
|
|
+ fh->iauxBase
|
|
|
|
|
+ sh.index));
|
|
|
|
|
procaddr = sh.value;
|
|
|
|
|
|
|
|
|
|
if (new_sdx <= cur_sdx)
|
|
|
|
|
{
|
|
|
|
|
/* This should not happen either... FIXME. */
|
|
|
|
|
complain (&aux_index_complaint, name);
|
|
|
|
|
new_sdx = cur_sdx + 1; /* Don't skip backward */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
cur_sdx = new_sdx;
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ ((fh->isymBase + cur_sdx - 1)
|
|
|
|
|
* external_sym_size)),
|
|
|
|
|
&sh);
|
|
|
|
|
if (sh.st != stEnd)
|
|
|
|
|
continue;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
|
|
|
|
|
/* Kludge for Irix 5.2 zero fh->adr. */
|
|
|
|
|
if (!relocatable
|
|
|
|
|
&& (pst->textlow == 0 || procaddr < pst->textlow))
|
|
|
|
|
pst->textlow = procaddr;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
high = procaddr + sh.value;
|
|
|
|
|
if (high > pst->texthigh)
|
|
|
|
|
pst->texthigh = high;
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
case stStatic: /* Variable */
|
1994-03-10 10:28:18 +01:00
|
|
|
|
if (sh.sc == scData
|
|
|
|
|
|| sh.sc == scSData
|
|
|
|
|
|| sh.sc == scRData
|
|
|
|
|
|| sh.sc == scPData
|
|
|
|
|
|| sh.sc == scXData)
|
1994-03-21 20:57:38 +01:00
|
|
|
|
prim_record_minimal_symbol_and_info (name, sh.value,
|
|
|
|
|
mst_file_data, NULL,
|
|
|
|
|
SECT_OFF_DATA,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
NULL,
|
1994-03-21 20:57:38 +01:00
|
|
|
|
objfile);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
else
|
1994-03-21 20:57:38 +01:00
|
|
|
|
prim_record_minimal_symbol_and_info (name, sh.value,
|
|
|
|
|
mst_file_bss, NULL,
|
|
|
|
|
SECT_OFF_BSS,
|
1997-01-04 01:25:53 +01:00
|
|
|
|
NULL,
|
1994-03-21 20:57:38 +01:00
|
|
|
|
objfile);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
class = LOC_STATIC;
|
|
|
|
|
break;
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
case stIndirect:/* Irix5 forward declaration */
|
|
|
|
|
/* Skip forward declarations from Irix5 cc */
|
|
|
|
|
goto skip;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
case stTypedef:/* Typedef */
|
|
|
|
|
/* Skip typedefs for forward declarations and opaque
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
structs from alpha and mips cc. */
|
|
|
|
|
if (sh.iss == 0 || has_opaque_xref (fh, &sh))
|
1993-12-06 18:12:23 +01:00
|
|
|
|
goto skip;
|
|
|
|
|
class = LOC_TYPEDEF;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stConstant: /* Constant decl */
|
|
|
|
|
class = LOC_CONST;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stUnion:
|
|
|
|
|
case stStruct:
|
|
|
|
|
case stEnum:
|
|
|
|
|
case stBlock: /* { }, str, un, enum*/
|
|
|
|
|
/* Do not create a partial symbol for cc unnamed aggregates
|
|
|
|
|
and gcc empty aggregates. */
|
1994-09-11 13:43:40 +02:00
|
|
|
|
if ((sh.sc == scInfo
|
|
|
|
|
|| sh.sc == scCommon || sh.sc == scSCommon)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
&& sh.iss != 0
|
|
|
|
|
&& sh.index != cur_sdx + 2)
|
|
|
|
|
{
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
1993-12-06 18:12:23 +01:00
|
|
|
|
STRUCT_NAMESPACE, LOC_TYPEDEF,
|
1996-04-06 12:19:19 +02:00
|
|
|
|
&objfile->static_psymbols,
|
Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
0, (CORE_ADDR) 0,
|
1993-12-06 18:12:23 +01:00
|
|
|
|
psymtab_language, objfile);
|
|
|
|
|
}
|
1995-11-25 12:32:18 +01:00
|
|
|
|
handle_psymbol_enumerators (objfile, fh, sh.st, sh.value);
|
1994-02-19 12:24:36 +01:00
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Skip over the block */
|
|
|
|
|
new_sdx = sh.index;
|
|
|
|
|
if (new_sdx <= cur_sdx)
|
|
|
|
|
{
|
|
|
|
|
/* This happens with the Ultrix kernel. */
|
|
|
|
|
complain (&block_index_complaint, name);
|
|
|
|
|
new_sdx = cur_sdx + 1; /* Don't skip backward */
|
|
|
|
|
}
|
|
|
|
|
cur_sdx = new_sdx;
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
case stFile: /* File headers */
|
|
|
|
|
case stLabel: /* Labels */
|
|
|
|
|
case stEnd: /* Ends of files */
|
|
|
|
|
goto skip;
|
|
|
|
|
|
|
|
|
|
case stLocal: /* Local variables */
|
|
|
|
|
/* Normally these are skipped because we skip over
|
|
|
|
|
all blocks we see. However, these can occur
|
|
|
|
|
as visible symbols in a .h file that contains code. */
|
|
|
|
|
goto skip;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
/* Both complaints are valid: one gives symbol name,
|
|
|
|
|
the other the offending symbol type. */
|
|
|
|
|
complain (&unknown_sym_complaint, name);
|
|
|
|
|
complain (&unknown_st_complaint, sh.st);
|
|
|
|
|
cur_sdx++;
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
/* Use this gdb symbol */
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
1993-12-06 18:12:23 +01:00
|
|
|
|
VAR_NAMESPACE, class,
|
Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
&objfile->static_psymbols,
|
|
|
|
|
0, sh.value, psymtab_language, objfile);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
skip:
|
|
|
|
|
cur_sdx++; /* Go to next file symbol */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Now do enter the external symbols. */
|
|
|
|
|
ext_ptr = &extern_tab[fdr_to_pst[f_idx].globals_offset];
|
|
|
|
|
cur_sdx = fdr_to_pst[f_idx].n_globals;
|
|
|
|
|
PST_PRIVATE (save_pst)->extern_count = cur_sdx;
|
|
|
|
|
PST_PRIVATE (save_pst)->extern_tab = ext_ptr;
|
|
|
|
|
for (; --cur_sdx >= 0; ext_ptr++)
|
|
|
|
|
{
|
|
|
|
|
enum address_class class;
|
|
|
|
|
SYMR *psh;
|
|
|
|
|
char *name;
|
1994-06-12 13:10:13 +02:00
|
|
|
|
CORE_ADDR svalue;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
if (ext_ptr->ifd != f_idx)
|
|
|
|
|
abort ();
|
|
|
|
|
psh = &ext_ptr->asym;
|
|
|
|
|
|
|
|
|
|
/* Do not add undefined symbols to the partial symbol table. */
|
1996-11-02 12:59:19 +01:00
|
|
|
|
if (psh->sc == scUndefined || psh->sc == scSUndefined
|
|
|
|
|
|| psh->sc == scNil)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
continue;
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
svalue = psh->value;
|
|
|
|
|
switch (psh->sc)
|
|
|
|
|
{
|
|
|
|
|
case scText:
|
1996-11-02 12:59:19 +01:00
|
|
|
|
case scRConst:
|
1994-06-12 13:10:13 +02:00
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
|
|
|
|
break;
|
|
|
|
|
case scData:
|
|
|
|
|
case scSData:
|
|
|
|
|
case scRData:
|
|
|
|
|
case scPData:
|
|
|
|
|
case scXData:
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_DATA);
|
|
|
|
|
break;
|
|
|
|
|
case scBss:
|
|
|
|
|
case scSBss:
|
|
|
|
|
svalue += ANOFFSET (section_offsets, SECT_OFF_BSS);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
switch (psh->st)
|
|
|
|
|
{
|
|
|
|
|
case stNil:
|
|
|
|
|
/* These are generated for static symbols in .o files,
|
|
|
|
|
ignore them. */
|
|
|
|
|
continue;
|
|
|
|
|
case stProc:
|
|
|
|
|
case stStaticProc:
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
/* External procedure symbols have been entered
|
|
|
|
|
into the minimal symbol table in pass 2 above.
|
|
|
|
|
Ignore them, as parse_external will ignore them too. */
|
|
|
|
|
continue;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
case stLabel:
|
|
|
|
|
class = LOC_LABEL;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
complain (&unknown_ext_complaint,
|
|
|
|
|
debug_info->ssext + psh->iss);
|
|
|
|
|
/* Fall through, pretend it's global. */
|
|
|
|
|
case stGlobal:
|
1994-09-11 13:43:40 +02:00
|
|
|
|
/* Global common symbols are resolved by the runtime loader,
|
|
|
|
|
ignore them. */
|
|
|
|
|
if (psh->sc == scCommon || psh->sc == scSCommon)
|
|
|
|
|
continue;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
class = LOC_STATIC;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
name = debug_info->ssext + psh->iss;
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
|
|
|
|
VAR_NAMESPACE, class,
|
|
|
|
|
&objfile->global_psymbols,
|
|
|
|
|
0, svalue,
|
|
|
|
|
psymtab_language, objfile);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Link pst to FDR. end_psymtab returns NULL if the psymtab was
|
|
|
|
|
empty and put on the free list. */
|
|
|
|
|
fdr_to_pst[f_idx].pst = end_psymtab (save_pst,
|
|
|
|
|
psymtab_include_list, includes_used,
|
|
|
|
|
-1, save_pst->texthigh,
|
1996-07-23 03:24:58 +02:00
|
|
|
|
dependency_list, dependencies_used, textlow_not_set);
|
1995-09-23 13:09:52 +02:00
|
|
|
|
includes_used = 0;
|
|
|
|
|
dependencies_used = 0;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (objfile->ei.entry_point >= save_pst->textlow &&
|
|
|
|
|
objfile->ei.entry_point < save_pst->texthigh)
|
|
|
|
|
{
|
|
|
|
|
objfile->ei.entry_file_lowpc = save_pst->textlow;
|
|
|
|
|
objfile->ei.entry_file_highpc = save_pst->texthigh;
|
|
|
|
|
}
|
Speed up GDB startup time by not demangling partial symbols.
* symfile.h (ADD_PSYMBOL_VT_TO_LIST),
symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list):
No longer demangle partial symbols.
* symtab.c (lookup_symbol, list_symbols): Handle mangled
variables, e.g. C++ static members, via the minimal symbols.
Handle reordered functions in an objfile, for Irix 5.2 shared
libraries.
* objfiles.h (OBJF_REORDERED): New bit in the objfile flags,
set if the functions in an objfile are reordered.
* mdebugread.c (parse_partial_symbols): Detect reordered
functions in an objfile.
* symtab.c (find_pc_psymtab, find_pc_symtab): Use expensive
lookup algorithm if the functions in the objfile are reordered.
* xcoffexec.c (exec_close): If the current target has a copy
of the exec_ops sections, reflect the freeing of the sections
in current_target.
* valops.c (call_function_by_hand): Use `sizeof dummy1', not
`sizeof dummy', for constructing the call dummy code.
* config/sparc/tm-sparc.h: Add PARAMS declarations to all
function declarations.
* sparc-tdep.c (sparc_pop_frame): Cast result of
read_memory_integer to CORE_ADDR when passing it to PC_ADJUST.
* irix5-nat.c (enable_break): Set breakpoint at the entry point
of the executable, to handle the case where main resides in a
shared library.
* irix5-nat.c (solib_create_inferior_hook): Reset stop_soon_quietly
after shared library symbol reading, to get rid of a warning from
heuristic_proc_start if the startup code has no symbolic debug info.
* breakpoint.h (struct breakpoint): Add new fields language
and input_radix, to enable breakpoint resetting with the
proper language and radix.
* breakpoint.c (set_raw_breakpoint): Initialize them.
(breakpoint_re_set_one): Use them when resetting the breakpoint.
(breakpoint_re_set): Preserve current language and input_radix
across breakpoint_re_set_one calls.
* symtab.c (decode_line_1): Do not build a canonical line
specification for `*expr' line specifications.
* breakpoint.h (bpstat_stop_status): Fix prototype declaration.
1994-10-08 12:54:29 +01:00
|
|
|
|
|
|
|
|
|
/* The objfile has its functions reordered if this partial symbol
|
|
|
|
|
table overlaps any other partial symbol table.
|
|
|
|
|
We cannot assume a reordered objfile if a partial symbol table
|
|
|
|
|
is contained within another partial symbol table, as partial symbol
|
|
|
|
|
tables for include files with executable code are contained
|
|
|
|
|
within the partial symbol table for the including source file,
|
|
|
|
|
and we do not want to flag the objfile reordered for these cases.
|
|
|
|
|
|
|
|
|
|
This strategy works well for Irix-5.2 shared libraries, but we
|
|
|
|
|
might have to use a more elaborate (and slower) algorithm for
|
|
|
|
|
other cases. */
|
|
|
|
|
save_pst = fdr_to_pst[f_idx].pst;
|
|
|
|
|
if (save_pst != NULL
|
|
|
|
|
&& save_pst->textlow != 0
|
|
|
|
|
&& !(objfile->flags & OBJF_REORDERED))
|
|
|
|
|
{
|
|
|
|
|
ALL_OBJFILE_PSYMTABS (objfile, pst)
|
|
|
|
|
{
|
|
|
|
|
if (save_pst != pst
|
|
|
|
|
&& save_pst->textlow >= pst->textlow
|
|
|
|
|
&& save_pst->textlow < pst->texthigh
|
|
|
|
|
&& save_pst->texthigh > pst->texthigh)
|
|
|
|
|
{
|
|
|
|
|
objfile->flags |= OBJF_REORDERED;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Now scan the FDRs for dependencies */
|
|
|
|
|
for (f_idx = 0; f_idx < hdr->ifdMax; f_idx++)
|
|
|
|
|
{
|
|
|
|
|
fh = f_idx + debug_info->fdr;
|
|
|
|
|
pst = fdr_to_pst[f_idx].pst;
|
|
|
|
|
|
|
|
|
|
if (pst == (struct partial_symtab *)NULL)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
/* This should catch stabs-in-ecoff. */
|
|
|
|
|
if (fh->crfd <= 1)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
/* Skip the first file indirect entry as it is a self dependency
|
|
|
|
|
for source files or a reverse .h -> .c dependency for header files. */
|
|
|
|
|
pst->number_of_dependencies = 0;
|
|
|
|
|
pst->dependencies =
|
|
|
|
|
((struct partial_symtab **)
|
|
|
|
|
obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
((fh->crfd - 1)
|
|
|
|
|
* sizeof (struct partial_symtab *))));
|
|
|
|
|
for (s_idx = 1; s_idx < fh->crfd; s_idx++)
|
|
|
|
|
{
|
|
|
|
|
RFDT rh;
|
|
|
|
|
|
|
|
|
|
(*swap_rfd_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_rfd
|
|
|
|
|
+ (fh->rfdBase + s_idx) * external_rfd_size),
|
|
|
|
|
&rh);
|
|
|
|
|
if (rh < 0 || rh >= hdr->ifdMax)
|
|
|
|
|
{
|
|
|
|
|
complain (&bad_file_number_complaint, rh);
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Skip self dependencies of header files. */
|
|
|
|
|
if (rh == f_idx)
|
|
|
|
|
continue;
|
|
|
|
|
|
|
|
|
|
/* Do not add to dependeny list if psymtab was empty. */
|
|
|
|
|
if (fdr_to_pst[rh].pst == (struct partial_symtab *)NULL)
|
|
|
|
|
continue;
|
|
|
|
|
pst->dependencies[pst->number_of_dependencies++] = fdr_to_pst[rh].pst;
|
|
|
|
|
}
|
|
|
|
|
}
|
1994-03-10 10:28:18 +01:00
|
|
|
|
|
|
|
|
|
/* Remove the dummy psymtab created for -O3 images above, if it is
|
|
|
|
|
still empty, to enable the detection of stripped executables. */
|
|
|
|
|
if (objfile->psymtabs->next == NULL
|
|
|
|
|
&& objfile->psymtabs->number_of_dependencies == 0
|
|
|
|
|
&& objfile->psymtabs->n_global_syms == 0
|
|
|
|
|
&& objfile->psymtabs->n_static_syms == 0)
|
|
|
|
|
objfile->psymtabs = NULL;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
do_cleanups (old_chain);
|
|
|
|
|
}
|
|
|
|
|
|
1994-02-19 12:24:36 +01:00
|
|
|
|
/* If the current psymbol has an enumerated type, we need to add
|
|
|
|
|
all the the enum constants to the partial symbol table. */
|
|
|
|
|
|
|
|
|
|
static void
|
1995-11-25 12:32:18 +01:00
|
|
|
|
handle_psymbol_enumerators (objfile, fh, stype, svalue)
|
1994-02-19 12:24:36 +01:00
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
FDR *fh;
|
|
|
|
|
int stype;
|
1995-11-25 12:32:18 +01:00
|
|
|
|
CORE_ADDR svalue;
|
1994-02-19 12:24:36 +01:00
|
|
|
|
{
|
|
|
|
|
const bfd_size_type external_sym_size = debug_swap->external_sym_size;
|
|
|
|
|
void (* const swap_sym_in) PARAMS ((bfd *, PTR, SYMR *))
|
|
|
|
|
= debug_swap->swap_sym_in;
|
|
|
|
|
char *ext_sym = ((char *) debug_info->external_sym
|
|
|
|
|
+ ((fh->isymBase + cur_sdx + 1) * external_sym_size));
|
|
|
|
|
SYMR sh;
|
|
|
|
|
TIR tir;
|
|
|
|
|
|
|
|
|
|
switch (stype)
|
|
|
|
|
{
|
|
|
|
|
case stEnum:
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case stBlock:
|
|
|
|
|
/* It is an enumerated type if the next symbol entry is a stMember
|
|
|
|
|
and its auxiliary index is indexNil or its auxiliary entry
|
1995-11-25 12:32:18 +01:00
|
|
|
|
is a plain btNil or btVoid.
|
|
|
|
|
Alpha cc -migrate enums are recognized by a zero index and
|
1997-09-13 17:34:44 +02:00
|
|
|
|
a zero symbol value.
|
|
|
|
|
DU 4.0 cc enums are recognized by a member type of btEnum without
|
|
|
|
|
qualifiers and a zero symbol value. */
|
1994-02-19 12:24:36 +01:00
|
|
|
|
(*swap_sym_in) (cur_bfd, ext_sym, &sh);
|
|
|
|
|
if (sh.st != stMember)
|
|
|
|
|
return;
|
|
|
|
|
|
1995-11-25 12:32:18 +01:00
|
|
|
|
if (sh.index == indexNil
|
|
|
|
|
|| (sh.index == 0 && svalue == 0))
|
1994-02-19 12:24:36 +01:00
|
|
|
|
break;
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (fh->fBigendian,
|
|
|
|
|
&(debug_info->external_aux
|
|
|
|
|
+ fh->iauxBase + sh.index)->a_ti,
|
|
|
|
|
&tir);
|
1997-09-13 17:34:44 +02:00
|
|
|
|
if ((tir.bt != btNil
|
|
|
|
|
&& tir.bt != btVoid
|
|
|
|
|
&& (tir.bt != btEnum || svalue != 0))
|
|
|
|
|
|| tir.tq0 != tqNil)
|
1994-02-19 12:24:36 +01:00
|
|
|
|
return;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
for (;;)
|
|
|
|
|
{
|
|
|
|
|
char *name;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd, ext_sym, &sh);
|
|
|
|
|
if (sh.st != stMember)
|
|
|
|
|
break;
|
|
|
|
|
name = debug_info->ss + cur_fdr->issBase + sh.iss;
|
|
|
|
|
|
|
|
|
|
/* Note that the value doesn't matter for enum constants
|
|
|
|
|
in psymtabs, just in symtabs. */
|
1996-04-06 12:19:19 +02:00
|
|
|
|
add_psymbol_to_list (name, strlen (name),
|
1994-02-19 12:24:36 +01:00
|
|
|
|
VAR_NAMESPACE, LOC_CONST,
|
1996-04-06 12:19:19 +02:00
|
|
|
|
&objfile->static_psymbols, 0,
|
Add support for Irix 6.2 native O32 and N32 ABI.
* config.in, configure.in, configure: Check for <objlist.h>.
* configure.tgt: Handle mips*-sgi-irix6* like irix5 for now.
* cp-valprint.c (cp_print_value_fields): Use SYMBOL_VALUE_ADDRESS
instead of SYMBOL_BLOCK_VALUE to get the address of a static member.
* dwarf2read.c: Turn warnings and recoverable errors into complaints,
add new complaints where appropriate.
gcc -Wall cleanup.
(struct line_head): Change line_base from char to int to avoid
problems with compilers whose plain char is represented by an
unsigned char.
(struct partial_die_info): Add is_declaration field.
(dwarf2_tmp_obstack): New obstack for allocating temporary storage
used during symbol reading.
(cu_header_offset): New variable for resolving relative reference
dies.
(optimized_out, basereg, islocal, frame_base_reg, frame_base_offset):
New interface variables for decode_locdesc.
(struct dwarf2_pinfo): New structure for communication between
psymtab and symtab reading, passed via pst->read_symtab_private.
(dwarf2_has_info, dwarf2_build_psymtabs): Accept objects files
without line number sections.
(dwarf2_build_psymtabs_hard): Initialize temporary obstack
for symbol reading.
Allocate and initialize pst->read_symtab_private.
Relocate pst->textlow and pst->texthigh with baseaddr.
(scan_partial_symbols): Do not add DW_AT_declaration symbols
to the partial symbol table.
Add file scope enumerator symbols to the partial symbol table.
Fix typo in highpc computation.
If we didn't find a lowpc, set it to highpc to avoid complaints
from `maint check.
(add_partial_symbol): Relocate symbol values with baseaddr.
Add static DW_TAG_subprogram and DW_TAG_variable symbols to the
minimal symbol table.
Obtain symbol values for DW_TAG_variable symbols from the location
descriptor, skip symbols with missing location desciptors.
Skip symbols for aggregate types without children.
Handle enumerator symbols.
(dwarf2_psymtab_to_symtab): Issue symbol reading message if verbose.
(psymtab_to_symtab_1): Set local variables from
pst->read_symtab_private, set cu_header_offset and baseaddr.
Initialize temporary obstack for symbol reading, initialize
buildsym and add a cleanup to really_free_pendings.
Relocate highpc with baseaddr when calling end_symtab.
If the compilation is from a C file generated by language
preprocessors, do not set the symtab language if it was already
deduced by start_subfile.
Removed verbose sorting symbol table message.
(process_die): Handle DW_TAG_ptr_to_member_type and
DW_TAG_reference_type.
Use read_subroutine_type to get the function type for
DW_TAG_subprogram before calling read_func_scope.
(read_file_scope): Initialize file name to <unknown>, start_subfile
expects a non-NULL name.
If we didn't find a lowpc, set it to highpc to avoid complaints
from finish_symbol.
Relocate lowpc and highpc with baseaddr.
Get rid of Irix6.2 native cc compile machine prefix in comp_dir.
Zero out ftypes for each new compilation unit (may be different
language or different objfile).
Accept compilation units without line number information, pass
comp_dir to decode_lines.
(read_func_scope): Initialize function name to <unknown> to avoid
core dumps when DW_AT_name is missing.
Relocate lowpc and highpc with baseaddr.
Handle DW_AT_frame_base, keep result for DW_OP_fbreg operations.
Pass function type to new_symbol.
(read_lexical_block_scope): Relocate lowpc and highpc with baseaddr.
(read_structure_scope): Set TYPE_TAG_NAME, not TYPE_NAME.
Handle DW_TAG_class_type.
Copy fields to type_obstack, release temporary storage for fields.
Don't add symbol if die is a stub die and has no children.
Handle C++ static member fields.
(read_enumeration): Set TYPE_TAG_NAME, not TYPE_NAME.
Copy fields to type_obstack, release temporary storage for fields.
Let new_symbol handle the symbol creation for enumerators
instead of handcrafting a symbol.
Determine signedness of enum type from enumerators.
(dwarf_read_array_type): Handle variable length arrays.
Use lookup_pointer_type instead of handcrafting a type.
Create array type only if a DW_TAG_subrange_type was found.
(read_tag_pointer_type, read_tag_reference_type):
Use lookup_pointer_type and lookup_reference_type instead
of handcrafting a type.
(read_tag_ptr_to_member_type): New function to handle
DW_TAG_ptr_to_member_type.
(read_subroutine_type): Handle parameter dies.
Use lookup_function_type instead of handcrafting a type.
(read_typedef): Allocate a TYPE_CODE_TYPEDEF type for the typedef.
(read_base_type): If the type has a name, use init_type to create
a new type instead of second guessing a fundamental type.
(read_comp_unit): Reset die reference table before building
a new one.
(dwarf2_read_section): Read section contents into psymbol_obstack.
(dwarf2_read_abbrevs): Handle unterminated abbreviations
for a compile unit gracefully.
(read_partial_die): Zero partial die before reading its info.
Handle DW_AT_declaration.
Fix typo in handling of DW_FORM_block4.
(read_full_die): Fix typo in handling of DW_FORM_block4.
(read_1_signed_byte, read_2_signed_bytes, read_4_signed_bytes):
New routines to get signed values from a buffer.
(read_n_bytes, read_string): Allocate storage from the temporary
obstack. If the host char size permits it, return pointer
to buffer instead of allocating storage.
(set_cu_language): Handle DW_LANG_Mips_Assembler.
(dwarf_attr): Return NULL if reference die for DW_AT_specification
or DW_AT_abstract_origin die is not found.
(record_minimal_symbol): Removed, replaced with a direct call to
prim_record_minimal_symbol, it now handles saving the string itself.
(convert_locdesc): Removed, partial symtab reading now uses
decode_locdesc.
(dwarf_attr): Use dwarf2_get_ref_die_offset to get the absolute
offset for the die reference.
(dwarf_decode_lines): Complain if the line section info is missing.
Use read_1_signed_byte to extract lh.line_base to avoid
problems with compilers whose plain char is represented by an
unsigned char.
Add cleanups for allocated temporary storage.
Start a subfile for the first file in the state machine.
Fix off by one problem with dirs.dirs access.
Use comp_dir when directory index is 0.
Support multiple sequences (from Jason Merrill <jason@cygnus.com>).
(dwarf2_start_subfile): Try to keep line numbers from identical
absolute and relative file names in a common subfile.
(new_symbol): Allocate symbol and symbol name on the symbol_obstack.
Set SYMBOL_LINE from DW_AT_decl_line if present.
Set SYMBOL_TYPE from passed type if not NULL.
Change DW_TAG_variable symbol types with missing type entries
to a sensible type.
Handle optimized_out, offreg and islocal storage classes.
Add external symbols with type information whose address isn't
known as LOC_UNRESOLVED symbols.
Synthesize typedefs for C++ classes, structs, unions and enumerations.
Handle DW_TAG_enumerator symbols, complain for unrecognized
symbol tags.
(die_type): A missing DW_AT_type represents a void type.
Use dwarf2_get_ref_die_offset to get the absolute offset for
the die reference.
(die_containing_type): New function to build type from
DW_AT_containing_type attribut.
(read_type_die): Handle DW_TAG_ptr_to_member_type.
Treat DW_TAG_subprogram like DW_TAG_subroutine_type.
(dwarf_base_type): Fix typo with creation of FT_UNSIGNED_SHORT
fundamental type.
(create_name): Removed, symbol name allocation is now done
in new_symbol.
(dump_die): Use print_address_numeric to print a CORE_ADDR.
(dwarf2_empty_die_ref_table): New function to clear the die
reference table.
(dwarf2_get_ref_die_offset): New function to get the absolute
die offset from a die reference attribute.
(decode_locdesc): Complete rewrite using a stack, code mostly
borrowed from dwarfread.c:locval.
(dwarf_alloc_type): Removed, replaced by direct calls to alloc_type.
(dwarf_alloc_block): Allocate block on temporary obstack.
* elfread.c (elf_symtab_read): When handling Irix dynamic symbols,
skip section name symbols and relocate all others.
(elf_symfile_read): Build dwarf2 psymtab even if offset is non-zero.
* irix5-nat.c (fetch_core_registers): Handle core_reg_sect
from N32 executables. Call registers_fetched after extracting
the registers.
(obj_list_variant, struct link_map, LM_OFFSET, LM_ADDR): New
definitions to enable support of O32 and N32 format objlists.
(struct so_list): New members offset, so_name and lmstart to
eliminate dependencies from the objlist format used.
(solib_map_sections, symbol_add_stub, solib_add,
info_sharedlibrary_command, solib_address, clear_solib): Use
so_name and LM_OFFSET.
(first_link_map_member): Rewrite to enable support of O32 and N32
format objlists.
(next_link_map_member, xfer_link_map_member): New functions to
support O32 and N32 format objlists.
(find_solib): Use first_link_map_member, next_link_map_member and
xfer_link_map_member.
(solib_create_inferior_hook): Use TARGET_SIGNAL_* instead of
host signal numbers.
* mdebugread.c (parse_partial_symbols, handle_psymbol_enumerators):
Pass CORE_ADDR variant to add_psymbol_to_list.
* mips-tdep.c (heuristic_proc_desc): Stop examining the prologue
if we encounter a positive stack adjustment. Handle `move $30,$sp'.
Handle `sd reg,offset($sp)' for 32 bit ABIs.
* symmisc.c (dump_msymbols, print_partial_symbols): Use
print_address_numeric to print a SYMBOL_VALUE_ADDRESS.
(dump_symtab): Print compilation directory if it is not NULL.
* valops.c (search_struct_field, value_struct_elt_for_reference):
Use SYMBOL_VALUE_ADDRESS instead of SYMBOL_BLOCK_VALUE to get the
address of a static member.
1996-12-01 09:33:39 +01:00
|
|
|
|
(CORE_ADDR) 0, psymtab_language, objfile);
|
1994-02-19 12:24:36 +01:00
|
|
|
|
ext_sym += external_sym_size;
|
|
|
|
|
}
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
static char *
|
* defs.h: Delete extraneous whitespace at end of file.
* symfile.h: Move #include of demangle.h outside conditional.
* objfiles.h (struct objstats, OBJSTAT, OBJSTATS): New struct
and macros to hold per-objfile statistics for internal instrumentation.
(struct objfile): Add OBJSTATS member, which is optional.
* buildsym.h (next_symbol_text_func): Now takes objfile argument.
Also update copyright to 1995.
* dbxread.c (dbx_next_symbol_text): Now takes objfile argument.
(dbx_symfile_init, coffstab_build_psymtabs, elfstab_build_psymtabs,
stabsect_build_psymtabs): Accumulate string table size.
(dbx_next_symbol_text, read_dbx_symtab, read_ofile_symtab):
Accumulate number of stabs symbols read.
* dwarfread.c (new_symbol, symthesize_typedef):
Accumulate number of full symbols created.
* gdbtypes.c (alloc_type): Accumulate number of types.
* maint.c (maintenance_print_statistics): New function.
* mdebugread.c (mdebug_next_symbol_text): Now takes objfile argument.
* minsyms.c (prim_record_minimal_symbol_and_info): Accumulate
number of minimal symbols read.
* os9kread.c (read_os9k_psymtab): next_symbol_text takes objfile arg.
* partial-stab.h: next_symbol_text takes objfile arg.
* stabsread.c (error_type, STABS_CONTINUE): Now takes objfile arg and
uses it to call next_symbol_text.
* symfile.c (add_psymbol_to_list, add_psymbol_addr_to_list):
Accumulate number of partial symbols created.
* symfile.h (ADD_PSYMBOL_VT_TO_LIST): Accumulate number of partial
symbols created.
* symmisc.c (print_objfile_statistics): Print the per-objfile
internal instrumentation statistics gathered.
* xcoffread.c (xcoff_next_symbol_text): Now takes objfile argument.
1995-12-21 05:08:27 +01:00
|
|
|
|
mdebug_next_symbol_text (objfile)
|
|
|
|
|
struct objfile *objfile; /* argument objfile is currently unused */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
SYMR sh;
|
|
|
|
|
|
|
|
|
|
cur_sdx++;
|
|
|
|
|
(*debug_swap->swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ ((cur_fdr->isymBase + cur_sdx)
|
|
|
|
|
* debug_swap->external_sym_size)),
|
|
|
|
|
&sh);
|
|
|
|
|
return debug_info->ss + cur_fdr->issBase + sh.iss;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Ancillary function to psymtab_to_symtab(). Does all the work
|
|
|
|
|
for turning the partial symtab PST into a symtab, recurring
|
|
|
|
|
first on all dependent psymtabs. The argument FILENAME is
|
|
|
|
|
only passed so we can see in debug stack traces what file
|
|
|
|
|
is being read.
|
|
|
|
|
|
|
|
|
|
This function has a split personality, based on whether the
|
|
|
|
|
symbol table contains ordinary ecoff symbols, or stabs-in-ecoff.
|
|
|
|
|
The flow of control and even the memory allocation differs. FIXME. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
psymtab_to_symtab_1 (pst, filename)
|
|
|
|
|
struct partial_symtab *pst;
|
|
|
|
|
char *filename;
|
|
|
|
|
{
|
|
|
|
|
bfd_size_type external_sym_size;
|
|
|
|
|
bfd_size_type external_pdr_size;
|
|
|
|
|
void (*swap_sym_in) PARAMS ((bfd *, PTR, SYMR *));
|
|
|
|
|
void (*swap_pdr_in) PARAMS ((bfd *, PTR, PDR *));
|
|
|
|
|
int i;
|
|
|
|
|
struct symtab *st;
|
|
|
|
|
FDR *fh;
|
|
|
|
|
struct linetable *lines;
|
1995-11-25 12:32:18 +01:00
|
|
|
|
CORE_ADDR lowest_pdr_addr = 0;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
if (pst->readin)
|
|
|
|
|
return;
|
|
|
|
|
pst->readin = 1;
|
|
|
|
|
|
|
|
|
|
/* Read in all partial symbtabs on which this one is dependent.
|
|
|
|
|
NOTE that we do have circular dependencies, sigh. We solved
|
|
|
|
|
that by setting pst->readin before this point. */
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < pst->number_of_dependencies; i++)
|
|
|
|
|
if (!pst->dependencies[i]->readin)
|
|
|
|
|
{
|
|
|
|
|
/* Inform about additional files to be read in. */
|
|
|
|
|
if (info_verbose)
|
|
|
|
|
{
|
|
|
|
|
fputs_filtered (" ", gdb_stdout);
|
|
|
|
|
wrap_here ("");
|
|
|
|
|
fputs_filtered ("and ", gdb_stdout);
|
|
|
|
|
wrap_here ("");
|
|
|
|
|
printf_filtered ("%s...",
|
|
|
|
|
pst->dependencies[i]->filename);
|
|
|
|
|
wrap_here (""); /* Flush output */
|
|
|
|
|
gdb_flush (gdb_stdout);
|
|
|
|
|
}
|
|
|
|
|
/* We only pass the filename for debug purposes */
|
|
|
|
|
psymtab_to_symtab_1 (pst->dependencies[i],
|
|
|
|
|
pst->dependencies[i]->filename);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Do nothing if this is a dummy psymtab. */
|
|
|
|
|
|
|
|
|
|
if (pst->n_global_syms == 0 && pst->n_static_syms == 0
|
|
|
|
|
&& pst->textlow == 0 && pst->texthigh == 0)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/* Now read the symbols for this symtab */
|
|
|
|
|
|
|
|
|
|
cur_bfd = CUR_BFD (pst);
|
|
|
|
|
debug_swap = DEBUG_SWAP (pst);
|
|
|
|
|
debug_info = DEBUG_INFO (pst);
|
|
|
|
|
pending_list = PENDING_LIST (pst);
|
|
|
|
|
external_sym_size = debug_swap->external_sym_size;
|
|
|
|
|
external_pdr_size = debug_swap->external_pdr_size;
|
|
|
|
|
swap_sym_in = debug_swap->swap_sym_in;
|
|
|
|
|
swap_pdr_in = debug_swap->swap_pdr_in;
|
|
|
|
|
current_objfile = pst->objfile;
|
|
|
|
|
cur_fd = FDR_IDX (pst);
|
|
|
|
|
fh = ((cur_fd == -1)
|
|
|
|
|
? (FDR *) NULL
|
|
|
|
|
: debug_info->fdr + cur_fd);
|
|
|
|
|
cur_fdr = fh;
|
|
|
|
|
|
|
|
|
|
/* See comment in parse_partial_symbols about the @stabs sentinel. */
|
|
|
|
|
processing_gcc_compilation = 0;
|
|
|
|
|
if (fh != (FDR *) NULL && fh->csym >= 2)
|
|
|
|
|
{
|
|
|
|
|
SYMR sh;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
((char *) debug_info->external_sym
|
|
|
|
|
+ (fh->isymBase + 1) * external_sym_size),
|
|
|
|
|
&sh);
|
|
|
|
|
if (STREQ (debug_info->ss + fh->issBase + sh.iss,
|
|
|
|
|
stabs_symbol))
|
|
|
|
|
{
|
|
|
|
|
/* We indicate that this is a GCC compilation so that certain
|
|
|
|
|
features will be enabled in stabsread/dbxread. */
|
|
|
|
|
processing_gcc_compilation = 2;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if (processing_gcc_compilation != 0)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
/* This symbol table contains stabs-in-ecoff entries. */
|
|
|
|
|
|
|
|
|
|
/* Parse local symbols first */
|
|
|
|
|
|
|
|
|
|
if (fh->csym <= 2) /* FIXME, this blows psymtab->symtab ptr */
|
|
|
|
|
{
|
|
|
|
|
current_objfile = NULL;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
for (cur_sdx = 2; cur_sdx < fh->csym; cur_sdx++)
|
|
|
|
|
{
|
|
|
|
|
SYMR sh;
|
|
|
|
|
char *name;
|
|
|
|
|
CORE_ADDR valu;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd,
|
|
|
|
|
(((char *) debug_info->external_sym)
|
|
|
|
|
+ (fh->isymBase + cur_sdx) * external_sym_size),
|
|
|
|
|
&sh);
|
|
|
|
|
name = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
valu = sh.value;
|
1997-10-23 01:28:30 +02:00
|
|
|
|
/* XXX This is a hack. It will go away! */
|
|
|
|
|
if (ECOFF_IS_STAB (&sh) || (name[0] == '#'))
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
int type_code = ECOFF_UNMARK_STAB (sh.index);
|
1994-01-03 11:50:26 +01:00
|
|
|
|
|
|
|
|
|
/* We should never get non N_STAB symbols here, but they
|
|
|
|
|
should be harmless, so keep process_one_symbol from
|
|
|
|
|
complaining about them. */
|
|
|
|
|
if (type_code & N_STAB)
|
|
|
|
|
{
|
|
|
|
|
process_one_symbol (type_code, 0, valu, name,
|
|
|
|
|
pst->section_offsets, pst->objfile);
|
|
|
|
|
}
|
1997-10-23 01:28:30 +02:00
|
|
|
|
/* Similarly a hack. */
|
|
|
|
|
else if (name[0] == '#')
|
|
|
|
|
{
|
|
|
|
|
process_one_symbol (N_SLINE, 0, valu, name,
|
|
|
|
|
pst->section_offsets, pst->objfile);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (type_code == N_FUN)
|
|
|
|
|
{
|
|
|
|
|
/* Make up special symbol to contain
|
|
|
|
|
procedure specific info */
|
|
|
|
|
struct mips_extra_func_info *e =
|
|
|
|
|
((struct mips_extra_func_info *)
|
|
|
|
|
obstack_alloc (¤t_objfile->symbol_obstack,
|
|
|
|
|
sizeof (struct mips_extra_func_info)));
|
|
|
|
|
struct symbol *s = new_symbol (MIPS_EFI_SYMBOL_NAME);
|
* alpha-nat.c, irix4-nat.c, irix5-nat.c, mipsv4-nat.c,
sparc-tdep.c (supply_gregset, supply_fpregset): Fill inaccessible
registers with zero to handle recent read_register_bytes change.
* irix4-nat.c, irix5-nat.c, mipsv4-nat.c (supply_gregset,
fill_gregset): Fix handling of CAUSE_REGNUM.
* mips-nat.c (store_inferior_registers): Handle unwritable
registers when storing a single register.
* config/mips/tm-irix3.h (CAUSE_REGNUM, BADVADDR_REGNUM):
Fix definitions.
* mdebugread.c (parse_symbol, psymtab_to_symtab_1): Clear
allocated mips_extra_func_info, if the debug info is corrupt,
the PDR to fill it in might be missing.
1995-03-28 08:57:39 +02:00
|
|
|
|
|
|
|
|
|
memset ((PTR) e, 0, sizeof (struct mips_extra_func_info));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_CONST;
|
1995-07-20 07:52:42 +02:00
|
|
|
|
SYMBOL_TYPE (s) = mdebug_type_void;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMBOL_VALUE (s) = (long) e;
|
1995-03-10 02:26:09 +01:00
|
|
|
|
e->pdr.framereg = -1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
add_symbol_to_list (s, &local_symbols);
|
|
|
|
|
}
|
|
|
|
|
}
|
1994-01-28 17:56:58 +01:00
|
|
|
|
else if (sh.st == stLabel)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
1994-01-28 17:56:58 +01:00
|
|
|
|
if (sh.index == indexNil)
|
|
|
|
|
{
|
|
|
|
|
/* This is what the gcc2_compiled and __gnu_compiled_*
|
|
|
|
|
show up as. So don't complain. */
|
|
|
|
|
;
|
|
|
|
|
}
|
|
|
|
|
else
|
1995-07-26 01:35:55 +02:00
|
|
|
|
{
|
|
|
|
|
/* Handle encoded stab line number. */
|
|
|
|
|
valu += ANOFFSET (pst->section_offsets, SECT_OFF_TEXT);
|
|
|
|
|
record_line (current_subfile, sh.index, valu);
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
* infrun.c (IN_SOLIB_TRAMPOLINE): Correct comment, trampolines
are in the .plt section.
* minsyms.c (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): New functions for handling
stepping into -g compiled shared libraries.
* symtab.h (lookup_solib_trampoline_symbol_by_pc,
find_solib_trampoline_target): Add prototypes.
* config/tm-sunos.h (IN_SOLIB_TRAMPOLINE, SKIP_TRAMPOLINE_CODE):
Define to handle stepping into -g compiled shared libraries.
* config/tm-sysv4.h (SKIP_TRAMPOLINE_CODE): Define to handle
stepping into -g compiled shared libraries.
* configure.in: Add mips-*-sysv4* support.
* config/mips/mipsv4.mh, config/mips/mipsv4.mt,
config/mips/tm-mipsv4.h, config/mips/xm-mipsv4.h, mipsv4-nat.c:
New files for MIPS SVR4 support.
* Makefile.in: Update for new mipsv4 files.
* alpha-tdep.c (heuristic_proc_desc, find_proc_desc): Use
read_next_frame_reg to obtain the frame relative stack pointer.
* mips-tdep.c (heuristic_proc_desc): Use read_next_frame_reg to
obtain the frame relative stack pointer.
* mdebugread.c (parse_partial_symbols, psymtab_to_symtab1):
Handle stStatic and stStaticProc symbols in stabs-in-ecoff output
by entering them into the minimal symbol table.
* printcmd.c (print_scalar_formatted): Do not try to unpack to
a long for float formats.
* solib.c: Include "elf/mips.h" only if DT_MIPS_RLD_MAP does not
get defined in <link.h>.
* solib.c (solib_add): Add shared library sections to the section
table of the target before adding the symbols.
* partial-stab.h: Relocate static and global functions.
* dbxread.c (read_dbx_symtab): Remove unused variable
end_of_text_address. Relocate text_addr when passing it
to end_psymtab.
For Alpha OSF/1 targets, enable gdb to set breakpoints in shared
library functions before the executable is run. Retrieve dynamic
symbols from stripped executables.
* mipsread.c (read_alphacoff_dynamic_symtab): New function.
* mipsread.c (mipscoff_symfile_read): Use it. Issue warning message
if no debugging symbols were found.
* alpha-tdep.c (alpha_skip_prologue): Silently return the unaltered
pc if memory at the pc is not accessible and GDB_TARGET_HAS_SHARED_LIBS
is defined.
* config/alpha/nm-alpha.h (GDB_TARGET_HAS_SHARED_LIBS): Define,
OSF/1 has shared libraries.
1994-04-08 02:35:15 +02:00
|
|
|
|
else if (sh.st == stProc || sh.st == stStaticProc
|
|
|
|
|
|| sh.st == stStatic || sh.st == stEnd)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* These are generated by gcc-2.x, do not complain */
|
|
|
|
|
;
|
|
|
|
|
else
|
|
|
|
|
complain (&stab_unknown_complaint, name);
|
|
|
|
|
}
|
1996-01-08 18:55:25 +01:00
|
|
|
|
st = end_symtab (pst->texthigh, pst->objfile, SECT_OFF_TEXT);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
end_stabs ();
|
|
|
|
|
|
|
|
|
|
/* Sort the symbol table now, we are done adding symbols to it.
|
|
|
|
|
We must do this before parse_procedure calls lookup_symbol. */
|
|
|
|
|
sort_symtab_syms (st);
|
|
|
|
|
|
1994-04-28 10:29:22 +02:00
|
|
|
|
/* There used to be a call to sort_blocks here, but this should not
|
|
|
|
|
be necessary for stabs symtabs. And as sort_blocks modifies the
|
|
|
|
|
start address of the GLOBAL_BLOCK to the FIRST_LOCAL_BLOCK,
|
|
|
|
|
it did the wrong thing if the first procedure in a file was
|
|
|
|
|
generated via asm statements. */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Fill in procedure info next. */
|
1995-11-25 12:32:18 +01:00
|
|
|
|
if (fh->cpd > 0)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
1995-11-25 12:32:18 +01:00
|
|
|
|
PDR *pr_block;
|
|
|
|
|
struct cleanup *old_chain;
|
|
|
|
|
char *pdr_ptr;
|
|
|
|
|
char *pdr_end;
|
|
|
|
|
PDR *pdr_in;
|
|
|
|
|
PDR *pdr_in_end;
|
|
|
|
|
|
|
|
|
|
pr_block = (PDR *) xmalloc (fh->cpd * sizeof (PDR));
|
|
|
|
|
old_chain = make_cleanup (free, pr_block);
|
|
|
|
|
|
|
|
|
|
pdr_ptr = ((char *) debug_info->external_pdr
|
|
|
|
|
+ fh->ipdFirst * external_pdr_size);
|
|
|
|
|
pdr_end = pdr_ptr + fh->cpd * external_pdr_size;
|
|
|
|
|
pdr_in = pr_block;
|
|
|
|
|
for (;
|
|
|
|
|
pdr_ptr < pdr_end;
|
|
|
|
|
pdr_ptr += external_pdr_size, pdr_in++)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
1995-11-25 12:32:18 +01:00
|
|
|
|
(*swap_pdr_in) (cur_bfd, pdr_ptr, pdr_in);
|
|
|
|
|
|
|
|
|
|
/* Determine lowest PDR address, the PDRs are not always
|
|
|
|
|
sorted. */
|
|
|
|
|
if (pdr_in == pr_block)
|
|
|
|
|
lowest_pdr_addr = pdr_in->adr;
|
|
|
|
|
else if (pdr_in->adr < lowest_pdr_addr)
|
|
|
|
|
lowest_pdr_addr = pdr_in->adr;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
1995-11-25 12:32:18 +01:00
|
|
|
|
|
|
|
|
|
pdr_in = pr_block;
|
|
|
|
|
pdr_in_end = pdr_in + fh->cpd;
|
|
|
|
|
for (; pdr_in < pdr_in_end; pdr_in++)
|
1997-03-22 05:40:03 +01:00
|
|
|
|
parse_procedure (pdr_in, st, pst);
|
1995-11-25 12:32:18 +01:00
|
|
|
|
|
|
|
|
|
do_cleanups (old_chain);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* This symbol table contains ordinary ecoff entries. */
|
|
|
|
|
|
|
|
|
|
int f_max;
|
|
|
|
|
int maxlines;
|
|
|
|
|
EXTR *ext_ptr;
|
|
|
|
|
|
|
|
|
|
/* How many symbols will we need */
|
|
|
|
|
/* FIXME, this does not count enum values. */
|
|
|
|
|
f_max = pst->n_global_syms + pst->n_static_syms;
|
|
|
|
|
if (fh == 0)
|
|
|
|
|
{
|
|
|
|
|
maxlines = 0;
|
|
|
|
|
st = new_symtab ("unknown", f_max, 0, pst->objfile);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
f_max += fh->csym + fh->cpd;
|
|
|
|
|
maxlines = 2 * fh->cline;
|
|
|
|
|
st = new_symtab (pst->filename, 2 * f_max, maxlines, pst->objfile);
|
|
|
|
|
|
|
|
|
|
/* The proper language was already determined when building
|
|
|
|
|
the psymtab, use it. */
|
|
|
|
|
st->language = PST_PRIVATE (pst)->pst_language;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
psymtab_language = st->language;
|
|
|
|
|
|
|
|
|
|
lines = LINETABLE (st);
|
|
|
|
|
|
|
|
|
|
/* Get a new lexical context */
|
|
|
|
|
|
|
|
|
|
push_parse_stack ();
|
|
|
|
|
top_stack->cur_st = st;
|
|
|
|
|
top_stack->cur_block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (st),
|
|
|
|
|
STATIC_BLOCK);
|
1994-06-12 13:10:13 +02:00
|
|
|
|
BLOCK_START (top_stack->cur_block) = pst->textlow;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
BLOCK_END (top_stack->cur_block) = 0;
|
|
|
|
|
top_stack->blocktype = stFile;
|
|
|
|
|
top_stack->maxsyms = 2 * f_max;
|
|
|
|
|
top_stack->cur_type = 0;
|
|
|
|
|
top_stack->procadr = 0;
|
|
|
|
|
top_stack->numargs = 0;
|
1995-04-08 11:59:02 +02:00
|
|
|
|
found_ecoff_debugging_info = 0;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
if (fh)
|
|
|
|
|
{
|
|
|
|
|
char *sym_ptr;
|
|
|
|
|
char *sym_end;
|
|
|
|
|
|
|
|
|
|
/* Parse local symbols first */
|
|
|
|
|
sym_ptr = ((char *) debug_info->external_sym
|
|
|
|
|
+ fh->isymBase * external_sym_size);
|
|
|
|
|
sym_end = sym_ptr + fh->csym * external_sym_size;
|
|
|
|
|
while (sym_ptr < sym_end)
|
|
|
|
|
{
|
|
|
|
|
SYMR sh;
|
|
|
|
|
int c;
|
|
|
|
|
|
|
|
|
|
(*swap_sym_in) (cur_bfd, sym_ptr, &sh);
|
|
|
|
|
c = parse_symbol (&sh,
|
|
|
|
|
debug_info->external_aux + fh->iauxBase,
|
1994-03-21 20:57:38 +01:00
|
|
|
|
sym_ptr, fh->fBigendian, pst->section_offsets);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
sym_ptr += c * external_sym_size;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Linenumbers. At the end, check if we can save memory.
|
|
|
|
|
parse_lines has to look ahead an arbitrary number of PDR
|
|
|
|
|
structures, so we swap them all first. */
|
|
|
|
|
if (fh->cpd > 0)
|
|
|
|
|
{
|
|
|
|
|
PDR *pr_block;
|
|
|
|
|
struct cleanup *old_chain;
|
|
|
|
|
char *pdr_ptr;
|
|
|
|
|
char *pdr_end;
|
|
|
|
|
PDR *pdr_in;
|
|
|
|
|
PDR *pdr_in_end;
|
|
|
|
|
|
|
|
|
|
pr_block = (PDR *) xmalloc (fh->cpd * sizeof (PDR));
|
|
|
|
|
|
|
|
|
|
old_chain = make_cleanup (free, pr_block);
|
|
|
|
|
|
|
|
|
|
pdr_ptr = ((char *) debug_info->external_pdr
|
|
|
|
|
+ fh->ipdFirst * external_pdr_size);
|
|
|
|
|
pdr_end = pdr_ptr + fh->cpd * external_pdr_size;
|
|
|
|
|
pdr_in = pr_block;
|
|
|
|
|
for (;
|
|
|
|
|
pdr_ptr < pdr_end;
|
|
|
|
|
pdr_ptr += external_pdr_size, pdr_in++)
|
1995-11-25 12:32:18 +01:00
|
|
|
|
{
|
|
|
|
|
(*swap_pdr_in) (cur_bfd, pdr_ptr, pdr_in);
|
|
|
|
|
|
|
|
|
|
/* Determine lowest PDR address, the PDRs are not always
|
|
|
|
|
sorted. */
|
|
|
|
|
if (pdr_in == pr_block)
|
|
|
|
|
lowest_pdr_addr = pdr_in->adr;
|
|
|
|
|
else if (pdr_in->adr < lowest_pdr_addr)
|
|
|
|
|
lowest_pdr_addr = pdr_in->adr;
|
|
|
|
|
}
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
1995-11-25 12:32:18 +01:00
|
|
|
|
parse_lines (fh, pr_block, lines, maxlines, pst, lowest_pdr_addr);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (lines->nitems < fh->cline)
|
|
|
|
|
lines = shrink_linetable (lines);
|
|
|
|
|
|
|
|
|
|
/* Fill in procedure info next. */
|
|
|
|
|
pdr_in = pr_block;
|
|
|
|
|
pdr_in_end = pdr_in + fh->cpd;
|
|
|
|
|
for (; pdr_in < pdr_in_end; pdr_in++)
|
1997-03-22 05:40:03 +01:00
|
|
|
|
parse_procedure (pdr_in, 0, pst);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
do_cleanups (old_chain);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
LINETABLE (st) = lines;
|
|
|
|
|
|
|
|
|
|
/* .. and our share of externals.
|
|
|
|
|
XXX use the global list to speed up things here. how?
|
|
|
|
|
FIXME, Maybe quit once we have found the right number of ext's? */
|
|
|
|
|
top_stack->cur_st = st;
|
|
|
|
|
top_stack->cur_block = BLOCKVECTOR_BLOCK (BLOCKVECTOR (top_stack->cur_st),
|
|
|
|
|
GLOBAL_BLOCK);
|
|
|
|
|
top_stack->blocktype = stFile;
|
|
|
|
|
top_stack->maxsyms
|
|
|
|
|
= (debug_info->symbolic_header.isymMax
|
|
|
|
|
+ debug_info->symbolic_header.ipdMax
|
|
|
|
|
+ debug_info->symbolic_header.iextMax);
|
|
|
|
|
|
|
|
|
|
ext_ptr = PST_PRIVATE (pst)->extern_tab;
|
|
|
|
|
for (i = PST_PRIVATE (pst)->extern_count; --i >= 0; ext_ptr++)
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
parse_external (ext_ptr, fh->fBigendian, pst->section_offsets);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* If there are undefined symbols, tell the user.
|
|
|
|
|
The alpha has an undefined symbol for every symbol that is
|
|
|
|
|
from a shared library, so tell the user only if verbose is on. */
|
|
|
|
|
if (info_verbose && n_undef_symbols)
|
|
|
|
|
{
|
|
|
|
|
printf_filtered ("File %s contains %d unresolved references:",
|
|
|
|
|
st->filename, n_undef_symbols);
|
|
|
|
|
printf_filtered ("\n\t%4d variables\n\t%4d procedures\n\t%4d labels\n",
|
|
|
|
|
n_undef_vars, n_undef_procs, n_undef_labels);
|
|
|
|
|
n_undef_symbols = n_undef_labels = n_undef_vars = n_undef_procs = 0;
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
pop_parse_stack ();
|
|
|
|
|
|
1994-03-21 20:57:38 +01:00
|
|
|
|
st->primary = 1;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Sort the symbol table now, we are done adding symbols to it.*/
|
|
|
|
|
sort_symtab_syms (st);
|
|
|
|
|
|
|
|
|
|
sort_blocks (st);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Now link the psymtab and the symtab. */
|
|
|
|
|
pst->symtab = st;
|
|
|
|
|
|
|
|
|
|
current_objfile = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Ancillary parsing procedures. */
|
|
|
|
|
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
/* Return 1 if the symbol pointed to by SH has a cross reference
|
|
|
|
|
to an opaque aggregate type, else 0. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
has_opaque_xref (fh, sh)
|
|
|
|
|
FDR *fh;
|
|
|
|
|
SYMR *sh;
|
|
|
|
|
{
|
|
|
|
|
TIR tir;
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
RNDXR rn[1];
|
|
|
|
|
unsigned int rf;
|
|
|
|
|
|
|
|
|
|
if (sh->index == indexNil)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
ax = debug_info->external_aux + fh->iauxBase + sh->index;
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (fh->fBigendian, &ax->a_ti, &tir);
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
if (tir.bt != btStruct && tir.bt != btUnion && tir.bt != btEnum)
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
ax++;
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_rndx_in) (fh->fBigendian, &ax->a_rndx, rn);
|
* ch-exp.y (decode_integer_value, match_character_literal,
match_bitstring_literal): Guard tolower calls with isupper,
tolower on old BSD systems blindly subtracts a constant.
* dbxread.c (read_ofile_symtab): Check for __gnu_compiled_* as
well when determining the producer of the object file.
* mdebugread.c (has_opaque_xref): New function to check for
cross reference to an opaque aggregate.
* mdebugread.c (parse_symbol, parse_partial_symbols): Do not
enter typedefs to opaque aggregates into the symbol tables.
* mdebugread.c (parse_external): Remove skip_procedures argument,
it has always been 1. Remove code that handled stProc symbols,
it was never executed and was wrong, as the index of a
stProc symbol points to the local symbol table and not to the
auxiliary symbol info. Update caller.
* mdebugread.c (parse_partial_symbols): Do not enter external
stProc symbols into the partial symbol table, they are already
entered into the minimal symbol table.
* config/i386/tm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
I386_REGNO_TO_SYMMETRY moved to here from symm-tdep.c.
Fix addresses of floating point registers in REGISTER_U_ADDR.
STORE_STRUCT_RETURN now handles cc and gcc conventions.
FRAME_CHAIN, FRAMELESS_FUNCTION_INVOCATION, FRAME_SAVED_PC,
IN_SIGTRAMP, SIGCONTEXT_PC_OFFSET defined to make backtracing through
signal trampoline code work.
* config/i386/xm-symmetry.h: Clean up, it is now only used for Dynix.
Remove all conditionals and definitions for ptx.
Remove KDB definitions.
* symm-nat.c (store_inferior_registers): Fetch registers before
storing them to obtain valid floating point control registers.
Store fpu registers.
* symm-nat.c (print_1167_control_word): Dynix 3.1.1 defines
FPA_PCR_CC_C0 and FPA_PCR_CC_C1, avoid duplicate case value.
* symm-nat.c (fetch_inferior_registers, child_xfer_memory):
Fix typos.
* symm-nat.c (child_resume): Update type of `signal' parameter.
* symm-tdep.c (I386_REGNO_TO_SYMMETRY): Moved to tm-symmetry.h.
1994-03-30 11:57:08 +02:00
|
|
|
|
if (rn->rfd == 0xfff)
|
|
|
|
|
rf = AUX_GET_ISYM (fh->fBigendian, ax + 1);
|
|
|
|
|
else
|
|
|
|
|
rf = rn->rfd;
|
|
|
|
|
if (rf != -1)
|
|
|
|
|
return 0;
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
/* Lookup the type at relative index RN. Return it in TPP
|
|
|
|
|
if found and in any event come up with its name PNAME.
|
|
|
|
|
BIGEND says whether aux symbols are big-endian or not (from fh->fBigendian).
|
|
|
|
|
Return value says how many aux symbols we ate. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
cross_ref (fd, ax, tpp, type_code, pname, bigend, sym_name)
|
|
|
|
|
int fd;
|
|
|
|
|
union aux_ext *ax;
|
|
|
|
|
struct type **tpp;
|
|
|
|
|
enum type_code type_code; /* Use to alloc new type if none is found. */
|
|
|
|
|
char **pname;
|
|
|
|
|
int bigend;
|
|
|
|
|
char *sym_name;
|
|
|
|
|
{
|
|
|
|
|
RNDXR rn[1];
|
|
|
|
|
unsigned int rf;
|
|
|
|
|
int result = 1;
|
|
|
|
|
FDR *fh;
|
|
|
|
|
char *esh;
|
|
|
|
|
SYMR sh;
|
|
|
|
|
int xref_fd;
|
|
|
|
|
struct mdebug_pending *pend;
|
|
|
|
|
|
|
|
|
|
*tpp = (struct type *)NULL;
|
|
|
|
|
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_rndx_in) (bigend, &ax->a_rndx, rn);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Escape index means 'the next one' */
|
|
|
|
|
if (rn->rfd == 0xfff)
|
|
|
|
|
{
|
|
|
|
|
result++;
|
|
|
|
|
rf = AUX_GET_ISYM (bigend, ax + 1);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
rf = rn->rfd;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* mips cc uses a rf of -1 for opaque struct definitions.
|
1995-11-30 04:10:59 +01:00
|
|
|
|
Set TYPE_FLAG_STUB for these types so that check_typedef will
|
1993-12-06 18:12:23 +01:00
|
|
|
|
resolve them if the struct gets defined in another compilation unit. */
|
|
|
|
|
if (rf == -1)
|
|
|
|
|
{
|
|
|
|
|
*pname = "<undefined>";
|
|
|
|
|
*tpp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
|
|
|
|
|
TYPE_FLAGS (*tpp) |= TYPE_FLAG_STUB;
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* mips cc uses an escaped rn->index of 0 for struct return types
|
|
|
|
|
of procedures that were compiled without -g. These will always remain
|
|
|
|
|
undefined. */
|
|
|
|
|
if (rn->rfd == 0xfff && rn->index == 0)
|
|
|
|
|
{
|
|
|
|
|
*pname = "<undefined>";
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Find the relative file descriptor and the symbol in it. */
|
|
|
|
|
fh = get_rfd (fd, rf);
|
|
|
|
|
xref_fd = fh - debug_info->fdr;
|
|
|
|
|
|
|
|
|
|
if (rn->index >= fh->csym)
|
|
|
|
|
{
|
|
|
|
|
/* File indirect entry is corrupt. */
|
|
|
|
|
*pname = "<illegal>";
|
|
|
|
|
complain (&bad_rfd_entry_complaint,
|
|
|
|
|
sym_name, xref_fd, rn->index);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If we have processed this symbol then we left a forwarding
|
|
|
|
|
pointer to the type in the pending list. If not, we`ll put
|
|
|
|
|
it in a list of pending types, to be processed later when
|
|
|
|
|
the file will be. In any event, we collect the name for the
|
|
|
|
|
type here. */
|
|
|
|
|
|
|
|
|
|
esh = ((char *) debug_info->external_sym
|
|
|
|
|
+ ((fh->isymBase + rn->index)
|
|
|
|
|
* debug_swap->external_sym_size));
|
|
|
|
|
(*debug_swap->swap_sym_in) (cur_bfd, esh, &sh);
|
|
|
|
|
|
|
|
|
|
/* Make sure that this type of cross reference can be handled. */
|
1994-03-10 10:28:18 +01:00
|
|
|
|
if ((sh.sc != scInfo
|
1994-06-12 13:10:13 +02:00
|
|
|
|
|| (sh.st != stBlock && sh.st != stTypedef && sh.st != stIndirect
|
1994-03-10 10:28:18 +01:00
|
|
|
|
&& sh.st != stStruct && sh.st != stUnion
|
|
|
|
|
&& sh.st != stEnum))
|
1994-09-11 13:43:40 +02:00
|
|
|
|
&& (sh.st != stBlock || (sh.sc != scCommon && sh.sc != scSCommon)))
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
/* File indirect entry is corrupt. */
|
|
|
|
|
*pname = "<illegal>";
|
|
|
|
|
complain (&bad_rfd_entry_complaint,
|
|
|
|
|
sym_name, xref_fd, rn->index);
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*pname = debug_info->ss + fh->issBase + sh.iss;
|
|
|
|
|
|
|
|
|
|
pend = is_pending_symbol (fh, esh);
|
|
|
|
|
if (pend)
|
|
|
|
|
*tpp = pend->t;
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* We have not yet seen this type. */
|
|
|
|
|
|
1994-06-12 13:10:13 +02:00
|
|
|
|
if ((sh.iss == 0 && sh.st == stTypedef) || sh.st == stIndirect)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
TIR tir;
|
|
|
|
|
|
|
|
|
|
/* alpha cc puts out a stTypedef with a sh.iss of zero for
|
|
|
|
|
two cases:
|
|
|
|
|
a) forward declarations of structs/unions/enums which are not
|
|
|
|
|
defined in this compilation unit.
|
|
|
|
|
For these the type will be void. This is a bad design decision
|
|
|
|
|
as cross referencing across compilation units is impossible
|
|
|
|
|
due to the missing name.
|
1995-08-26 09:35:13 +02:00
|
|
|
|
b) forward declarations of structs/unions/enums/typedefs which
|
|
|
|
|
are defined later in this file or in another file in the same
|
|
|
|
|
compilation unit. Irix5 cc uses a stIndirect symbol for this.
|
1994-06-12 13:10:13 +02:00
|
|
|
|
Simply cross reference those again to get the true type.
|
1993-12-06 18:12:23 +01:00
|
|
|
|
The forward references are not entered in the pending list and
|
|
|
|
|
in the symbol table. */
|
|
|
|
|
|
1994-06-20 20:27:29 +02:00
|
|
|
|
(*debug_swap->swap_tir_in) (bigend,
|
|
|
|
|
&(debug_info->external_aux
|
|
|
|
|
+ fh->iauxBase + sh.index)->a_ti,
|
|
|
|
|
&tir);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (tir.tq0 != tqNil)
|
|
|
|
|
complain (&illegal_forward_tq0_complaint, sym_name);
|
|
|
|
|
switch (tir.bt)
|
|
|
|
|
{
|
|
|
|
|
case btVoid:
|
|
|
|
|
*tpp = init_type (type_code, 0, 0, (char *) NULL,
|
|
|
|
|
current_objfile);
|
|
|
|
|
*pname = "<undefined>";
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case btStruct:
|
|
|
|
|
case btUnion:
|
|
|
|
|
case btEnum:
|
|
|
|
|
cross_ref (xref_fd,
|
|
|
|
|
(debug_info->external_aux
|
|
|
|
|
+ fh->iauxBase + sh.index + 1),
|
|
|
|
|
tpp, type_code, pname,
|
|
|
|
|
fh->fBigendian, sym_name);
|
|
|
|
|
break;
|
|
|
|
|
|
1995-08-26 09:35:13 +02:00
|
|
|
|
case btTypedef:
|
|
|
|
|
/* Follow a forward typedef. This might recursively
|
|
|
|
|
call cross_ref till we get a non typedef'ed type.
|
|
|
|
|
FIXME: This is not correct behaviour, but gdb currently
|
|
|
|
|
cannot handle typedefs without type copying. Type
|
|
|
|
|
copying is impossible as we might have mutual forward
|
|
|
|
|
references between two files and the copied type would not
|
|
|
|
|
get filled in when we later parse its definition. */
|
|
|
|
|
*tpp = parse_type (xref_fd,
|
|
|
|
|
debug_info->external_aux + fh->iauxBase,
|
|
|
|
|
sh.index,
|
|
|
|
|
(int *)NULL,
|
|
|
|
|
fh->fBigendian,
|
|
|
|
|
debug_info->ss + fh->issBase + sh.iss);
|
|
|
|
|
add_pending (fh, esh, *tpp);
|
|
|
|
|
break;
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
default:
|
|
|
|
|
complain (&illegal_forward_bt_complaint, tir.bt, sym_name);
|
|
|
|
|
*tpp = init_type (type_code, 0, 0, (char *) NULL,
|
|
|
|
|
current_objfile);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
else if (sh.st == stTypedef)
|
|
|
|
|
{
|
|
|
|
|
/* Parse the type for a normal typedef. This might recursively call
|
|
|
|
|
cross_ref till we get a non typedef'ed type.
|
|
|
|
|
FIXME: This is not correct behaviour, but gdb currently
|
|
|
|
|
cannot handle typedefs without type copying. But type copying is
|
|
|
|
|
impossible as we might have mutual forward references between
|
|
|
|
|
two files and the copied type would not get filled in when
|
|
|
|
|
we later parse its definition. */
|
|
|
|
|
*tpp = parse_type (xref_fd,
|
|
|
|
|
debug_info->external_aux + fh->iauxBase,
|
|
|
|
|
sh.index,
|
|
|
|
|
(int *)NULL,
|
|
|
|
|
fh->fBigendian,
|
|
|
|
|
debug_info->ss + fh->issBase + sh.iss);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
/* Cross reference to a struct/union/enum which is defined
|
|
|
|
|
in another file in the same compilation unit but that file
|
|
|
|
|
has not been parsed yet.
|
|
|
|
|
Initialize the type only, it will be filled in when
|
|
|
|
|
it's definition is parsed. */
|
|
|
|
|
*tpp = init_type (type_code, 0, 0, (char *) NULL, current_objfile);
|
|
|
|
|
}
|
|
|
|
|
add_pending (fh, esh, *tpp);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* We used one auxent normally, two if we got a "next one" rf. */
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Quick&dirty lookup procedure, to avoid the MI ones that require
|
|
|
|
|
keeping the symtab sorted */
|
|
|
|
|
|
|
|
|
|
static struct symbol *
|
|
|
|
|
mylookup_symbol (name, block, namespace, class)
|
|
|
|
|
char *name;
|
|
|
|
|
register struct block *block;
|
1996-01-04 20:07:28 +01:00
|
|
|
|
namespace_enum namespace;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
enum address_class class;
|
|
|
|
|
{
|
|
|
|
|
register int bot, top, inc;
|
|
|
|
|
register struct symbol *sym;
|
|
|
|
|
|
|
|
|
|
bot = 0;
|
|
|
|
|
top = BLOCK_NSYMS (block);
|
|
|
|
|
inc = name[0];
|
|
|
|
|
while (bot < top)
|
|
|
|
|
{
|
|
|
|
|
sym = BLOCK_SYM (block, bot);
|
|
|
|
|
if (SYMBOL_NAME (sym)[0] == inc
|
|
|
|
|
&& SYMBOL_NAMESPACE (sym) == namespace
|
|
|
|
|
&& SYMBOL_CLASS (sym) == class
|
|
|
|
|
&& strcmp (SYMBOL_NAME (sym), name) == 0)
|
|
|
|
|
return sym;
|
|
|
|
|
bot++;
|
|
|
|
|
}
|
|
|
|
|
block = BLOCK_SUPERBLOCK (block);
|
|
|
|
|
if (block)
|
|
|
|
|
return mylookup_symbol (name, block, namespace, class);
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Add a new symbol S to a block B.
|
|
|
|
|
Infrequently, we will need to reallocate the block to make it bigger.
|
|
|
|
|
We only detect this case when adding to top_stack->cur_block, since
|
|
|
|
|
that's the only time we know how big the block is. FIXME. */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
add_symbol (s, b)
|
|
|
|
|
struct symbol *s;
|
|
|
|
|
struct block *b;
|
|
|
|
|
{
|
|
|
|
|
int nsyms = BLOCK_NSYMS (b)++;
|
|
|
|
|
struct block *origb;
|
|
|
|
|
struct parse_stack *stackp;
|
|
|
|
|
|
|
|
|
|
if (b == top_stack->cur_block &&
|
|
|
|
|
nsyms >= top_stack->maxsyms)
|
|
|
|
|
{
|
|
|
|
|
complain (&block_overflow_complaint, SYMBOL_NAME (s));
|
|
|
|
|
/* In this case shrink_block is actually grow_block, since
|
|
|
|
|
BLOCK_NSYMS(b) is larger than its current size. */
|
|
|
|
|
origb = b;
|
|
|
|
|
b = shrink_block (top_stack->cur_block, top_stack->cur_st);
|
|
|
|
|
|
|
|
|
|
/* Now run through the stack replacing pointers to the
|
|
|
|
|
original block. shrink_block has already done this
|
|
|
|
|
for the blockvector and BLOCK_FUNCTION. */
|
|
|
|
|
for (stackp = top_stack; stackp; stackp = stackp->next)
|
|
|
|
|
{
|
|
|
|
|
if (stackp->cur_block == origb)
|
|
|
|
|
{
|
|
|
|
|
stackp->cur_block = b;
|
|
|
|
|
stackp->maxsyms = BLOCK_NSYMS (b);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
BLOCK_SYM (b, nsyms) = s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Add a new block B to a symtab S */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
add_block (b, s)
|
|
|
|
|
struct block *b;
|
|
|
|
|
struct symtab *s;
|
|
|
|
|
{
|
|
|
|
|
struct blockvector *bv = BLOCKVECTOR (s);
|
|
|
|
|
|
|
|
|
|
bv = (struct blockvector *) xrealloc ((PTR) bv,
|
|
|
|
|
(sizeof (struct blockvector)
|
|
|
|
|
+ BLOCKVECTOR_NBLOCKS (bv)
|
|
|
|
|
* sizeof (bv->block)));
|
|
|
|
|
if (bv != BLOCKVECTOR (s))
|
|
|
|
|
BLOCKVECTOR (s) = bv;
|
|
|
|
|
|
|
|
|
|
BLOCKVECTOR_BLOCK (bv, BLOCKVECTOR_NBLOCKS (bv)++) = b;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Add a new linenumber entry (LINENO,ADR) to a linevector LT.
|
|
|
|
|
MIPS' linenumber encoding might need more than one byte
|
|
|
|
|
to describe it, LAST is used to detect these continuation lines.
|
|
|
|
|
|
|
|
|
|
Combining lines with the same line number seems like a bad idea.
|
|
|
|
|
E.g: There could be a line number entry with the same line number after the
|
|
|
|
|
prologue and GDB should not ignore it (this is a better way to find
|
|
|
|
|
a prologue than mips_skip_prologue).
|
|
|
|
|
But due to the compressed line table format there are line number entries
|
|
|
|
|
for the same line which are needed to bridge the gap to the next
|
|
|
|
|
line number entry. These entries have a bogus address info with them
|
|
|
|
|
and we are unable to tell them from intended duplicate line number
|
|
|
|
|
entries.
|
|
|
|
|
This is another reason why -ggdb debugging format is preferable. */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
add_line (lt, lineno, adr, last)
|
|
|
|
|
struct linetable *lt;
|
|
|
|
|
int lineno;
|
|
|
|
|
CORE_ADDR adr;
|
|
|
|
|
int last;
|
|
|
|
|
{
|
1994-01-07 21:59:35 +01:00
|
|
|
|
/* DEC c89 sometimes produces zero linenos which confuse gdb.
|
|
|
|
|
Change them to something sensible. */
|
|
|
|
|
if (lineno == 0)
|
|
|
|
|
lineno = 1;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
if (last == 0)
|
|
|
|
|
last = -2; /* make sure we record first line */
|
|
|
|
|
|
|
|
|
|
if (last == lineno) /* skip continuation lines */
|
|
|
|
|
return lineno;
|
|
|
|
|
|
|
|
|
|
lt->item[lt->nitems].line = lineno;
|
|
|
|
|
lt->item[lt->nitems++].pc = adr << 2;
|
|
|
|
|
return lineno;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Sorting and reordering procedures */
|
|
|
|
|
|
|
|
|
|
/* Blocks with a smaller low bound should come first */
|
|
|
|
|
|
|
|
|
|
static int
|
|
|
|
|
compare_blocks (arg1, arg2)
|
|
|
|
|
const PTR arg1;
|
|
|
|
|
const PTR arg2;
|
|
|
|
|
{
|
|
|
|
|
register int addr_diff;
|
|
|
|
|
struct block **b1 = (struct block **) arg1;
|
|
|
|
|
struct block **b2 = (struct block **) arg2;
|
|
|
|
|
|
|
|
|
|
addr_diff = (BLOCK_START ((*b1))) - (BLOCK_START ((*b2)));
|
|
|
|
|
if (addr_diff == 0)
|
|
|
|
|
return (BLOCK_END ((*b2))) - (BLOCK_END ((*b1)));
|
|
|
|
|
return addr_diff;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Sort the blocks of a symtab S.
|
|
|
|
|
Reorder the blocks in the blockvector by code-address,
|
|
|
|
|
as required by some MI search routines */
|
|
|
|
|
|
|
|
|
|
static void
|
|
|
|
|
sort_blocks (s)
|
|
|
|
|
struct symtab *s;
|
|
|
|
|
{
|
|
|
|
|
struct blockvector *bv = BLOCKVECTOR (s);
|
|
|
|
|
|
|
|
|
|
if (BLOCKVECTOR_NBLOCKS (bv) <= 2)
|
|
|
|
|
{
|
|
|
|
|
/* Cosmetic */
|
|
|
|
|
if (BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)) == 0)
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)) = 0;
|
|
|
|
|
if (BLOCK_END (BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK)) == 0)
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK)) = 0;
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
/*
|
|
|
|
|
* This is very unfortunate: normally all functions are compiled in
|
|
|
|
|
* the order they are found, but if the file is compiled -O3 things
|
|
|
|
|
* are very different. It would be nice to find a reliable test
|
|
|
|
|
* to detect -O3 images in advance.
|
|
|
|
|
*/
|
|
|
|
|
if (BLOCKVECTOR_NBLOCKS (bv) > 3)
|
|
|
|
|
qsort (&BLOCKVECTOR_BLOCK (bv, FIRST_LOCAL_BLOCK),
|
|
|
|
|
BLOCKVECTOR_NBLOCKS (bv) - FIRST_LOCAL_BLOCK,
|
|
|
|
|
sizeof (struct block *),
|
|
|
|
|
compare_blocks);
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
register CORE_ADDR high = 0;
|
|
|
|
|
register int i, j = BLOCKVECTOR_NBLOCKS (bv);
|
|
|
|
|
|
|
|
|
|
for (i = FIRST_LOCAL_BLOCK; i < j; i++)
|
|
|
|
|
if (high < BLOCK_END (BLOCKVECTOR_BLOCK (bv, i)))
|
|
|
|
|
high = BLOCK_END (BLOCKVECTOR_BLOCK (bv, i));
|
|
|
|
|
BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)) = high;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK)) =
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, FIRST_LOCAL_BLOCK));
|
|
|
|
|
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK)) =
|
|
|
|
|
BLOCK_START (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK));
|
|
|
|
|
BLOCK_END (BLOCKVECTOR_BLOCK (bv, STATIC_BLOCK)) =
|
|
|
|
|
BLOCK_END (BLOCKVECTOR_BLOCK (bv, GLOBAL_BLOCK));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Constructor/restructor/destructor procedures */
|
|
|
|
|
|
|
|
|
|
/* Allocate a new symtab for NAME. Needs an estimate of how many symbols
|
|
|
|
|
MAXSYMS and linenumbers MAXLINES we'll put in it */
|
|
|
|
|
|
|
|
|
|
static struct symtab *
|
|
|
|
|
new_symtab (name, maxsyms, maxlines, objfile)
|
|
|
|
|
char *name;
|
|
|
|
|
int maxsyms;
|
|
|
|
|
int maxlines;
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
{
|
|
|
|
|
struct symtab *s = allocate_symtab (name, objfile);
|
|
|
|
|
|
|
|
|
|
LINETABLE (s) = new_linetable (maxlines);
|
|
|
|
|
|
|
|
|
|
/* All symtabs must have at least two blocks */
|
|
|
|
|
BLOCKVECTOR (s) = new_bvect (2);
|
|
|
|
|
BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK) = new_block (maxsyms);
|
|
|
|
|
BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK) = new_block (maxsyms);
|
|
|
|
|
BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)) =
|
|
|
|
|
BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), GLOBAL_BLOCK);
|
|
|
|
|
|
|
|
|
|
s->free_code = free_linetable;
|
1997-06-28 08:10:06 +02:00
|
|
|
|
s->debugformat = obsavestring ("ECOFF", 5,
|
|
|
|
|
&objfile -> symbol_obstack);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
return (s);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Allocate a new partial_symtab NAME */
|
|
|
|
|
|
|
|
|
|
static struct partial_symtab *
|
1994-02-19 12:24:36 +01:00
|
|
|
|
new_psymtab (name, objfile, section_offsets)
|
1993-12-06 18:12:23 +01:00
|
|
|
|
char *name;
|
|
|
|
|
struct objfile *objfile;
|
1994-02-19 12:24:36 +01:00
|
|
|
|
struct section_offsets *section_offsets;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
{
|
|
|
|
|
struct partial_symtab *psymtab;
|
|
|
|
|
|
|
|
|
|
psymtab = allocate_psymtab (name, objfile);
|
1994-02-19 12:24:36 +01:00
|
|
|
|
psymtab->section_offsets = section_offsets;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Keep a backpointer to the file's symbols */
|
|
|
|
|
|
|
|
|
|
psymtab->read_symtab_private = ((char *)
|
|
|
|
|
obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
sizeof (struct symloc)));
|
|
|
|
|
memset ((PTR) psymtab->read_symtab_private, 0, sizeof (struct symloc));
|
|
|
|
|
CUR_BFD (psymtab) = cur_bfd;
|
|
|
|
|
DEBUG_SWAP (psymtab) = debug_swap;
|
|
|
|
|
DEBUG_INFO (psymtab) = debug_info;
|
|
|
|
|
PENDING_LIST (psymtab) = pending_list;
|
|
|
|
|
|
|
|
|
|
/* The way to turn this into a symtab is to call... */
|
|
|
|
|
psymtab->read_symtab = mdebug_psymtab_to_symtab;
|
|
|
|
|
return (psymtab);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Allocate a linetable array of the given SIZE. Since the struct
|
|
|
|
|
already includes one item, we subtract one when calculating the
|
|
|
|
|
proper size to allocate. */
|
|
|
|
|
|
|
|
|
|
static struct linetable *
|
|
|
|
|
new_linetable (size)
|
|
|
|
|
int size;
|
|
|
|
|
{
|
|
|
|
|
struct linetable *l;
|
|
|
|
|
|
|
|
|
|
size = (size - 1) * sizeof (l->item) + sizeof (struct linetable);
|
|
|
|
|
l = (struct linetable *) xmalloc (size);
|
|
|
|
|
l->nitems = 0;
|
|
|
|
|
return l;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Oops, too big. Shrink it. This was important with the 2.4 linetables,
|
|
|
|
|
I am not so sure about the 3.4 ones.
|
|
|
|
|
|
|
|
|
|
Since the struct linetable already includes one item, we subtract one when
|
|
|
|
|
calculating the proper size to allocate. */
|
|
|
|
|
|
|
|
|
|
static struct linetable *
|
|
|
|
|
shrink_linetable (lt)
|
|
|
|
|
struct linetable *lt;
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
return (struct linetable *) xrealloc ((PTR) lt,
|
|
|
|
|
(sizeof (struct linetable)
|
|
|
|
|
+ ((lt->nitems - 1)
|
|
|
|
|
* sizeof (lt->item))));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Allocate and zero a new blockvector of NBLOCKS blocks. */
|
|
|
|
|
|
|
|
|
|
static struct blockvector *
|
|
|
|
|
new_bvect (nblocks)
|
|
|
|
|
int nblocks;
|
|
|
|
|
{
|
|
|
|
|
struct blockvector *bv;
|
|
|
|
|
int size;
|
|
|
|
|
|
|
|
|
|
size = sizeof (struct blockvector) + nblocks * sizeof (struct block *);
|
|
|
|
|
bv = (struct blockvector *) xzalloc (size);
|
|
|
|
|
|
|
|
|
|
BLOCKVECTOR_NBLOCKS (bv) = nblocks;
|
|
|
|
|
|
|
|
|
|
return bv;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Allocate and zero a new block of MAXSYMS symbols */
|
|
|
|
|
|
|
|
|
|
static struct block *
|
|
|
|
|
new_block (maxsyms)
|
|
|
|
|
int maxsyms;
|
|
|
|
|
{
|
|
|
|
|
int size = sizeof (struct block) + (maxsyms - 1) * sizeof (struct symbol *);
|
|
|
|
|
|
|
|
|
|
return (struct block *) xzalloc (size);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Ooops, too big. Shrink block B in symtab S to its minimal size.
|
|
|
|
|
Shrink_block can also be used by add_symbol to grow a block. */
|
|
|
|
|
|
|
|
|
|
static struct block *
|
|
|
|
|
shrink_block (b, s)
|
|
|
|
|
struct block *b;
|
|
|
|
|
struct symtab *s;
|
|
|
|
|
{
|
|
|
|
|
struct block *new;
|
|
|
|
|
struct blockvector *bv = BLOCKVECTOR (s);
|
|
|
|
|
int i;
|
|
|
|
|
|
|
|
|
|
/* Just reallocate it and fix references to the old one */
|
|
|
|
|
|
|
|
|
|
new = (struct block *) xrealloc ((PTR) b,
|
|
|
|
|
(sizeof (struct block)
|
|
|
|
|
+ ((BLOCK_NSYMS (b) - 1)
|
|
|
|
|
* sizeof (struct symbol *))));
|
|
|
|
|
|
|
|
|
|
/* Should chase pointers to old one. Fortunately, that`s just
|
|
|
|
|
the block`s function and inferior blocks */
|
|
|
|
|
if (BLOCK_FUNCTION (new) && SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) == b)
|
|
|
|
|
SYMBOL_BLOCK_VALUE (BLOCK_FUNCTION (new)) = new;
|
|
|
|
|
for (i = 0; i < BLOCKVECTOR_NBLOCKS (bv); i++)
|
|
|
|
|
if (BLOCKVECTOR_BLOCK (bv, i) == b)
|
|
|
|
|
BLOCKVECTOR_BLOCK (bv, i) = new;
|
|
|
|
|
else if (BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv, i)) == b)
|
|
|
|
|
BLOCK_SUPERBLOCK (BLOCKVECTOR_BLOCK (bv, i)) = new;
|
|
|
|
|
return new;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create a new symbol with printname NAME */
|
|
|
|
|
|
|
|
|
|
static struct symbol *
|
|
|
|
|
new_symbol (name)
|
|
|
|
|
char *name;
|
|
|
|
|
{
|
|
|
|
|
struct symbol *s = ((struct symbol *)
|
|
|
|
|
obstack_alloc (¤t_objfile->symbol_obstack,
|
|
|
|
|
sizeof (struct symbol)));
|
|
|
|
|
|
|
|
|
|
memset ((PTR) s, 0, sizeof (*s));
|
1996-07-08 11:05:18 +02:00
|
|
|
|
SYMBOL_NAME (s) = obsavestring (name, strlen (name),
|
|
|
|
|
¤t_objfile->symbol_obstack);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
SYMBOL_LANGUAGE (s) = psymtab_language;
|
|
|
|
|
SYMBOL_INIT_DEMANGLED_NAME (s, ¤t_objfile->symbol_obstack);
|
|
|
|
|
return s;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Create a new type with printname NAME */
|
|
|
|
|
|
|
|
|
|
static struct type *
|
|
|
|
|
new_type (name)
|
|
|
|
|
char *name;
|
|
|
|
|
{
|
|
|
|
|
struct type *t;
|
|
|
|
|
|
|
|
|
|
t = alloc_type (current_objfile);
|
|
|
|
|
TYPE_NAME (t) = name;
|
|
|
|
|
TYPE_CPLUS_SPECIFIC (t) = (struct cplus_struct_type *) &cplus_struct_default;
|
|
|
|
|
return t;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Read ECOFF debugging information from a BFD section. This is
|
|
|
|
|
called from elfread.c. It parses the section into a
|
|
|
|
|
ecoff_debug_info struct, and then lets the rest of the file handle
|
|
|
|
|
it as normal. */
|
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
elfmdebug_build_psymtabs (objfile, swap, sec, section_offsets)
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
const struct ecoff_debug_swap *swap;
|
|
|
|
|
asection *sec;
|
|
|
|
|
struct section_offsets *section_offsets;
|
|
|
|
|
{
|
|
|
|
|
bfd *abfd = objfile->obfd;
|
|
|
|
|
struct ecoff_debug_info *info;
|
|
|
|
|
|
|
|
|
|
info = ((struct ecoff_debug_info *)
|
|
|
|
|
obstack_alloc (&objfile->psymbol_obstack,
|
|
|
|
|
sizeof (struct ecoff_debug_info)));
|
|
|
|
|
|
1994-06-20 20:27:29 +02:00
|
|
|
|
if (!(*swap->read_debug_info) (abfd, sec, info))
|
|
|
|
|
error ("Error reading ECOFF debugging information: %s",
|
|
|
|
|
bfd_errmsg (bfd_get_error ()));
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
mdebug_build_psymtabs (objfile, swap, info, section_offsets);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* Things used for calling functions in the inferior.
|
|
|
|
|
These functions are exported to our companion
|
|
|
|
|
mips-tdep.c file and are here because they play
|
|
|
|
|
with the symbol-table explicitly. */
|
|
|
|
|
|
|
|
|
|
/* Sigtramp: make sure we have all the necessary information
|
|
|
|
|
about the signal trampoline code. Since the official code
|
|
|
|
|
from MIPS does not do so, we make up that information ourselves.
|
|
|
|
|
If they fix the library (unlikely) this code will neutralize itself. */
|
|
|
|
|
|
|
|
|
|
/* FIXME: This function is called only by mips-tdep.c. It needs to be
|
|
|
|
|
here because it calls functions defined in this file, but perhaps
|
1996-08-01 19:30:37 +02:00
|
|
|
|
this could be handled in a better way. Only compile it in when
|
|
|
|
|
tm-mips.h is included. */
|
|
|
|
|
|
|
|
|
|
#ifdef TM_MIPS_H
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
void
|
|
|
|
|
fixup_sigtramp ()
|
|
|
|
|
{
|
|
|
|
|
struct symbol *s;
|
|
|
|
|
struct symtab *st;
|
|
|
|
|
struct block *b, *b0 = NULL;
|
|
|
|
|
|
|
|
|
|
sigtramp_address = -1;
|
|
|
|
|
|
|
|
|
|
/* We have to handle the following cases here:
|
|
|
|
|
a) The Mips library has a sigtramp label within sigvec.
|
|
|
|
|
b) Irix has a _sigtramp which we want to use, but it also has sigvec. */
|
|
|
|
|
s = lookup_symbol ("sigvec", 0, VAR_NAMESPACE, 0, NULL);
|
|
|
|
|
if (s != 0)
|
|
|
|
|
{
|
|
|
|
|
b0 = SYMBOL_BLOCK_VALUE (s);
|
|
|
|
|
s = lookup_symbol ("sigtramp", b0, VAR_NAMESPACE, 0, NULL);
|
|
|
|
|
}
|
|
|
|
|
if (s == 0)
|
|
|
|
|
{
|
|
|
|
|
/* No sigvec or no sigtramp inside sigvec, try _sigtramp. */
|
|
|
|
|
s = lookup_symbol ("_sigtramp", 0, VAR_NAMESPACE, 0, NULL);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* But maybe this program uses its own version of sigvec */
|
|
|
|
|
if (s == 0)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
/* Did we or MIPSco fix the library ? */
|
|
|
|
|
if (SYMBOL_CLASS (s) == LOC_BLOCK)
|
|
|
|
|
{
|
|
|
|
|
sigtramp_address = BLOCK_START (SYMBOL_BLOCK_VALUE (s));
|
|
|
|
|
sigtramp_end = BLOCK_END (SYMBOL_BLOCK_VALUE (s));
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sigtramp_address = SYMBOL_VALUE (s);
|
|
|
|
|
sigtramp_end = sigtramp_address + 0x88; /* black magic */
|
|
|
|
|
|
|
|
|
|
/* But what symtab does it live in ? */
|
|
|
|
|
st = find_pc_symtab (SYMBOL_VALUE (s));
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* Ok, there goes the fix: turn it into a procedure, with all the
|
|
|
|
|
* needed info. Note we make it a nested procedure of sigvec,
|
|
|
|
|
* which is the way the (assembly) code is actually written.
|
|
|
|
|
*/
|
|
|
|
|
SYMBOL_NAMESPACE (s) = VAR_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_BLOCK;
|
|
|
|
|
SYMBOL_TYPE (s) = init_type (TYPE_CODE_FUNC, 4, 0, (char *) NULL,
|
|
|
|
|
st->objfile);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
TYPE_TARGET_TYPE (SYMBOL_TYPE (s)) = mdebug_type_void;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
|
|
|
|
/* Need a block to allocate MIPS_EFI_SYMBOL_NAME in */
|
|
|
|
|
b = new_block (1);
|
|
|
|
|
SYMBOL_BLOCK_VALUE (s) = b;
|
|
|
|
|
BLOCK_START (b) = sigtramp_address;
|
|
|
|
|
BLOCK_END (b) = sigtramp_end;
|
|
|
|
|
BLOCK_FUNCTION (b) = s;
|
|
|
|
|
BLOCK_SUPERBLOCK (b) = BLOCK_SUPERBLOCK (b0);
|
|
|
|
|
add_block (b, st);
|
|
|
|
|
sort_blocks (st);
|
|
|
|
|
|
|
|
|
|
/* Make a MIPS_EFI_SYMBOL_NAME entry for it */
|
|
|
|
|
{
|
|
|
|
|
struct mips_extra_func_info *e =
|
|
|
|
|
((struct mips_extra_func_info *)
|
|
|
|
|
xzalloc (sizeof (struct mips_extra_func_info)));
|
|
|
|
|
|
|
|
|
|
e->numargs = 0; /* the kernel thinks otherwise */
|
1994-01-31 17:23:48 +01:00
|
|
|
|
e->pdr.frameoffset = 32;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
e->pdr.framereg = SP_REGNUM;
|
1994-01-31 17:23:48 +01:00
|
|
|
|
/* Note that setting pcreg is no longer strictly necessary as
|
|
|
|
|
mips_frame_saved_pc is now aware of signal handler frames. */
|
1993-12-06 18:12:23 +01:00
|
|
|
|
e->pdr.pcreg = PC_REGNUM;
|
|
|
|
|
e->pdr.regmask = -2;
|
1994-01-31 17:23:48 +01:00
|
|
|
|
/* Offset to saved r31, in the sigtramp case the saved registers
|
|
|
|
|
are above the frame in the sigcontext.
|
|
|
|
|
We have 4 alignment bytes, 12 bytes for onstack, mask and pc,
|
|
|
|
|
32 * 4 bytes for the general registers, 12 bytes for mdhi, mdlo, ownedfp
|
|
|
|
|
and 32 * 4 bytes for the floating point registers. */
|
|
|
|
|
e->pdr.regoffset = 4 + 12 + 31 * 4;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
e->pdr.fregmask = -1;
|
1994-01-31 17:23:48 +01:00
|
|
|
|
/* Offset to saved f30 (first saved *double* register). */
|
|
|
|
|
e->pdr.fregoffset = 4 + 12 + 32 * 4 + 12 + 30 * 4;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
e->pdr.isym = (long) s;
|
|
|
|
|
e->pdr.adr = sigtramp_address;
|
|
|
|
|
|
|
|
|
|
current_objfile = st->objfile; /* Keep new_symbol happy */
|
|
|
|
|
s = new_symbol (MIPS_EFI_SYMBOL_NAME);
|
|
|
|
|
SYMBOL_VALUE (s) = (long) e;
|
|
|
|
|
SYMBOL_NAMESPACE (s) = LABEL_NAMESPACE;
|
|
|
|
|
SYMBOL_CLASS (s) = LOC_CONST;
|
1995-07-20 07:52:42 +02:00
|
|
|
|
SYMBOL_TYPE (s) = mdebug_type_void;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
current_objfile = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
BLOCK_SYM (b, BLOCK_NSYMS (b)++) = s;
|
|
|
|
|
}
|
|
|
|
|
|
1996-08-01 19:30:37 +02:00
|
|
|
|
#endif /* TM_MIPS_H */
|
|
|
|
|
|
1993-12-06 18:12:23 +01:00
|
|
|
|
void
|
|
|
|
|
_initialize_mdebugread ()
|
|
|
|
|
{
|
1995-07-20 07:52:42 +02:00
|
|
|
|
mdebug_type_void =
|
|
|
|
|
init_type (TYPE_CODE_VOID, 1,
|
|
|
|
|
0,
|
|
|
|
|
"void", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_char =
|
|
|
|
|
init_type (TYPE_CODE_INT, 1,
|
|
|
|
|
0,
|
|
|
|
|
"char", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_char =
|
|
|
|
|
init_type (TYPE_CODE_INT, 1,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned char", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_short =
|
|
|
|
|
init_type (TYPE_CODE_INT, 2,
|
|
|
|
|
0,
|
|
|
|
|
"short", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_short =
|
|
|
|
|
init_type (TYPE_CODE_INT, 2,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned short", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_int_32 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 4,
|
|
|
|
|
0,
|
|
|
|
|
"int", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_int_32 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 4,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned int", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_int_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
0,
|
|
|
|
|
"int", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_int_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned int", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_long_32 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 4,
|
|
|
|
|
0,
|
|
|
|
|
"long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_long_32 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 4,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_long_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
0,
|
|
|
|
|
"long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_long_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_long_long_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
0,
|
|
|
|
|
"long long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_unsigned_long_long_64 =
|
|
|
|
|
init_type (TYPE_CODE_INT, 8,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"unsigned long long", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_adr_32 =
|
|
|
|
|
init_type (TYPE_CODE_PTR, 4,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"adr_32", (struct objfile *) NULL);
|
|
|
|
|
TYPE_TARGET_TYPE (mdebug_type_adr_32) = mdebug_type_void;
|
|
|
|
|
mdebug_type_adr_64 =
|
|
|
|
|
init_type (TYPE_CODE_PTR, 8,
|
|
|
|
|
TYPE_FLAG_UNSIGNED,
|
|
|
|
|
"adr_64", (struct objfile *) NULL);
|
|
|
|
|
TYPE_TARGET_TYPE (mdebug_type_adr_64) = mdebug_type_void;
|
|
|
|
|
mdebug_type_float =
|
|
|
|
|
init_type (TYPE_CODE_FLT, TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0,
|
|
|
|
|
"float", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_double =
|
|
|
|
|
init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0,
|
|
|
|
|
"double", (struct objfile *) NULL);
|
|
|
|
|
mdebug_type_complex =
|
|
|
|
|
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_FLOAT_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0,
|
|
|
|
|
"complex", (struct objfile *) NULL);
|
|
|
|
|
TYPE_TARGET_TYPE (mdebug_type_complex) = mdebug_type_float;
|
|
|
|
|
mdebug_type_double_complex =
|
|
|
|
|
init_type (TYPE_CODE_COMPLEX, 2 * TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0,
|
|
|
|
|
"double complex", (struct objfile *) NULL);
|
|
|
|
|
TYPE_TARGET_TYPE (mdebug_type_double_complex) = mdebug_type_double;
|
1993-12-06 18:12:23 +01:00
|
|
|
|
|
1993-12-25 19:04:33 +01:00
|
|
|
|
/* Is a "string" the way btString means it the same as TYPE_CODE_STRING?
|
|
|
|
|
FIXME. */
|
|
|
|
|
mdebug_type_string =
|
1993-12-06 18:12:23 +01:00
|
|
|
|
init_type (TYPE_CODE_STRING,
|
|
|
|
|
TARGET_CHAR_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0, "string",
|
|
|
|
|
(struct objfile *) NULL);
|
1993-12-25 19:04:33 +01:00
|
|
|
|
|
|
|
|
|
/* We use TYPE_CODE_INT to print these as integers. Does this do any
|
|
|
|
|
good? Would we be better off with TYPE_CODE_ERROR? Should
|
|
|
|
|
TYPE_CODE_ERROR print things in hex if it knows the size? */
|
|
|
|
|
mdebug_type_fixed_dec =
|
1993-12-06 18:12:23 +01:00
|
|
|
|
init_type (TYPE_CODE_INT,
|
|
|
|
|
TARGET_INT_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0, "fixed decimal",
|
|
|
|
|
(struct objfile *) NULL);
|
1993-12-25 19:04:33 +01:00
|
|
|
|
|
|
|
|
|
mdebug_type_float_dec =
|
|
|
|
|
init_type (TYPE_CODE_ERROR,
|
1993-12-06 18:12:23 +01:00
|
|
|
|
TARGET_DOUBLE_BIT / TARGET_CHAR_BIT,
|
|
|
|
|
0, "floating decimal",
|
|
|
|
|
(struct objfile *) NULL);
|
1995-04-08 11:59:02 +02:00
|
|
|
|
|
|
|
|
|
nodebug_func_symbol_type = init_type (TYPE_CODE_FUNC, 1, 0,
|
|
|
|
|
"<function, no debug info>", NULL);
|
1995-07-20 07:52:42 +02:00
|
|
|
|
TYPE_TARGET_TYPE (nodebug_func_symbol_type) = mdebug_type_int;
|
1995-04-08 11:59:02 +02:00
|
|
|
|
nodebug_var_symbol_type =
|
|
|
|
|
init_type (TYPE_CODE_INT, TARGET_INT_BIT / HOST_CHAR_BIT, 0,
|
|
|
|
|
"<variable, no debug info>", NULL);
|
1993-12-06 18:12:23 +01:00
|
|
|
|
}
|