2052 lines
62 KiB
C
2052 lines
62 KiB
C
/* Read hp debug symbols and convert to internal format, for GDB.
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Copyright 1993 Free Software Foundation, Inc.
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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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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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Written by the Center for Software Science at the University of Utah
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and by Cygnus Support. */
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#include "defs.h"
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#include "bfd.h"
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#include "gdb_string.h"
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#include "hp-symtab.h"
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#include "syms.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "objfiles.h"
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#include "buildsym.h"
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#include "complaints.h"
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#include "gdb-stabs.h"
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#include "gdbtypes.h"
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/* Private information attached to an objfile which we use to find
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and internalize the HP C debug symbols within that objfile. */
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struct hpread_symfile_info
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{
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/* The contents of each of the debug sections (there are 4 of them). */
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char *gntt;
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char *lntt;
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char *slt;
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char *vt;
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/* We keep the size of the $VT$ section for range checking. */
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unsigned int vt_size;
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/* Some routines still need to know the number of symbols in the
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main debug sections ($LNTT$ and $GNTT$). */
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unsigned int lntt_symcount;
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unsigned int gntt_symcount;
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/* To keep track of all the types we've processed. */
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struct type **type_vector;
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int type_vector_length;
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/* Keeps track of the beginning of a range of source lines. */
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sltpointer sl_index;
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/* Some state variables we'll need. */
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int within_function;
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/* Keep track of the current function's address. We may need to look
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up something based on this address. */
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unsigned int current_function_value;
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};
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/* Accessor macros to get at the fields. */
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#define HPUX_SYMFILE_INFO(o) \
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((struct hpread_symfile_info *)((o)->sym_private))
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#define GNTT(o) (HPUX_SYMFILE_INFO(o)->gntt)
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#define LNTT(o) (HPUX_SYMFILE_INFO(o)->lntt)
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#define SLT(o) (HPUX_SYMFILE_INFO(o)->slt)
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#define VT(o) (HPUX_SYMFILE_INFO(o)->vt)
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#define VT_SIZE(o) (HPUX_SYMFILE_INFO(o)->vt_size)
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#define LNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->lntt_symcount)
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#define GNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->gntt_symcount)
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#define TYPE_VECTOR(o) (HPUX_SYMFILE_INFO(o)->type_vector)
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#define TYPE_VECTOR_LENGTH(o) (HPUX_SYMFILE_INFO(o)->type_vector_length)
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#define SL_INDEX(o) (HPUX_SYMFILE_INFO(o)->sl_index)
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#define WITHIN_FUNCTION(o) (HPUX_SYMFILE_INFO(o)->within_function)
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#define CURRENT_FUNCTION_VALUE(o) (HPUX_SYMFILE_INFO(o)->current_function_value)
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/* Given the native debug symbol SYM, set NAMEP to the name associated
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with the debug symbol. Note we may be called with a debug symbol which
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has no associated name, in that case we return an empty string.
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Also note we "know" that the name for any symbol is always in the
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same place. Hence we don't have to conditionalize on the symbol type. */
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#define SET_NAMESTRING(SYM, NAMEP, OBJFILE) \
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if (! hpread_has_name ((SYM)->dblock.kind)) \
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*NAMEP = ""; \
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else if (((unsigned)(SYM)->dsfile.name) >= VT_SIZE (OBJFILE)) \
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{ \
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complain (&string_table_offset_complaint, (char *) symnum); \
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*NAMEP = ""; \
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} \
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else \
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*NAMEP = (SYM)->dsfile.name + VT (OBJFILE)
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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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struct symloc
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{
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/* The offset within the file symbol table of first local symbol for
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this file. */
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int ldsymoff;
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/* Length (in bytes) of the section of the symbol table devoted to
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this file's symbols (actually, the section bracketed may contain
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more than just this file's symbols). If ldsymlen is 0, the only
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reason for this thing's existence is the dependency list.
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Nothing else will happen when it is read in. */
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int ldsymlen;
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};
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#define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff)
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#define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen)
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#define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private))
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/* FIXME: Shouldn't this stuff be in a .h file somewhere? */
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/* Nonzero means give verbose info on gdb action. */
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extern int info_verbose;
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/* Complaints about the symbols we have encountered. */
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extern struct complaint string_table_offset_complaint;
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extern struct complaint lbrac_unmatched_complaint;
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extern struct complaint lbrac_mismatch_complaint;
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void hpread_symfile_init PARAMS ((struct objfile *));
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static struct type *hpread_alloc_type
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PARAMS ((dnttpointer, struct objfile *));
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static struct type **hpread_lookup_type
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PARAMS ((dnttpointer, struct objfile *));
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static struct type *hpread_read_enum_type
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PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
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static struct type *hpread_read_set_type
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PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
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static struct type *hpread_read_subrange_type
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PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
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static struct type *hpread_read_struct_type
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PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
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void hpread_build_psymtabs
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PARAMS ((struct objfile *, struct section_offsets *, int));
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void hpread_symfile_finish PARAMS ((struct objfile *));
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static struct partial_symtab *hpread_start_psymtab
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PARAMS ((struct objfile *, struct section_offsets *, char *, CORE_ADDR, int,
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struct partial_symbol *, struct partial_symbol *));
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static struct partial_symtab *hpread_end_psymtab
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PARAMS ((struct partial_symtab *, char **, int, int, CORE_ADDR,
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struct partial_symtab **, int));
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static struct symtab *hpread_expand_symtab
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PARAMS ((struct objfile *, int, int, CORE_ADDR, int,
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struct section_offsets *, char *));
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static void hpread_process_one_debug_symbol
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PARAMS ((union dnttentry *, char *, struct section_offsets *,
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struct objfile *, CORE_ADDR, int, char *, int));
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static sltpointer hpread_record_lines
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PARAMS ((struct subfile *, sltpointer, sltpointer,
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struct objfile *, CORE_ADDR));
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static struct type *hpread_read_function_type
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PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
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static struct type * hpread_type_lookup
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PARAMS ((dnttpointer, struct objfile *));
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static unsigned long hpread_get_depth
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PARAMS ((sltpointer, struct objfile *));
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static unsigned long hpread_get_line
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PARAMS ((sltpointer, struct objfile *));
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static CORE_ADDR hpread_get_location
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PARAMS ((sltpointer, struct objfile *));
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static int hpread_type_translate PARAMS ((dnttpointer));
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static unsigned long hpread_get_textlow PARAMS ((int, int, struct objfile *));
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static union dnttentry *hpread_get_gntt PARAMS ((int, struct objfile *));
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static union dnttentry *hpread_get_lntt PARAMS ((int, struct objfile *));
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static union sltentry *hpread_get_slt PARAMS ((int, struct objfile *));
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static void hpread_psymtab_to_symtab PARAMS ((struct partial_symtab *));
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static void hpread_psymtab_to_symtab_1 PARAMS ((struct partial_symtab *));
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static int hpread_has_name PARAMS ((enum dntt_entry_type));
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/* Initialization for reading native HP C debug symbols from OBJFILE.
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It's only purpose in life is to set up the symbol reader's private
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per-objfile data structures, and read in the raw contents of the debug
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sections (attaching pointers to the debug info into the private data
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structures).
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Since BFD doesn't know how to read debug symbols in a format-independent
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way (and may never do so...), we have to do it ourselves. Note we may
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be called on a file without native HP C debugging symbols.
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FIXME, there should be a cleaner peephole into the BFD environment here. */
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void
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hpread_symfile_init (objfile)
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struct objfile *objfile;
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{
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asection *vt_section, *slt_section, *lntt_section, *gntt_section;
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/* Allocate struct to keep track of the symfile */
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objfile->sym_private = (PTR)
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xmmalloc (objfile->md, sizeof (struct hpread_symfile_info));
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memset (objfile->sym_private, 0, sizeof (struct hpread_symfile_info));
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/* We haven't read in any types yet. */
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TYPE_VECTOR (objfile) = 0;
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/* Read in data from the $GNTT$ subspace. */
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gntt_section = bfd_get_section_by_name (objfile->obfd, "$GNTT$");
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if (!gntt_section)
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return;
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GNTT (objfile)
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= obstack_alloc (&objfile->symbol_obstack,
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bfd_section_size (objfile->obfd, gntt_section));
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bfd_get_section_contents (objfile->obfd, gntt_section, GNTT (objfile),
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0, bfd_section_size (objfile->obfd, gntt_section));
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GNTT_SYMCOUNT (objfile)
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= bfd_section_size (objfile->obfd, gntt_section)
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/ sizeof (struct dntt_type_block);
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/* Read in data from the $LNTT$ subspace. Also keep track of the number
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of LNTT symbols. */
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lntt_section = bfd_get_section_by_name (objfile->obfd, "$LNTT$");
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if (!lntt_section)
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return;
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LNTT (objfile)
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= obstack_alloc (&objfile->symbol_obstack,
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bfd_section_size (objfile->obfd, lntt_section));
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bfd_get_section_contents (objfile->obfd, lntt_section, LNTT (objfile),
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0, bfd_section_size (objfile->obfd, lntt_section));
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LNTT_SYMCOUNT (objfile)
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= bfd_section_size (objfile->obfd, lntt_section)
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/ sizeof (struct dntt_type_block);
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/* Read in data from the $SLT$ subspace. $SLT$ contains information
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on source line numbers. */
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slt_section = bfd_get_section_by_name (objfile->obfd, "$SLT$");
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if (!slt_section)
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return;
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SLT (objfile) =
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obstack_alloc (&objfile->symbol_obstack,
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bfd_section_size (objfile->obfd, slt_section));
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bfd_get_section_contents (objfile->obfd, slt_section, SLT (objfile),
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0, bfd_section_size (objfile->obfd, slt_section));
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/* Read in data from the $VT$ subspace. $VT$ contains things like
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names and constants. Keep track of the number of symbols in the VT. */
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vt_section = bfd_get_section_by_name (objfile->obfd, "$VT$");
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if (!vt_section)
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return;
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VT_SIZE (objfile) = bfd_section_size (objfile->obfd, vt_section);
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VT (objfile) =
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(char *) obstack_alloc (&objfile->symbol_obstack,
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VT_SIZE (objfile));
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bfd_get_section_contents (objfile->obfd, vt_section, VT (objfile),
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0, VT_SIZE (objfile));
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}
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/* Scan and build partial symbols for a symbol file.
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The minimal symbol table (either SOM or HP a.out) has already been
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read in; all we need to do is setup partial symbols based on the
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native debugging information.
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We assume hpread_symfile_init has been called to initialize the
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symbol reader's private data structures.
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SECTION_OFFSETS contains offsets relative to which the symbols in the
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various sections are (depending where the sections were actually loaded).
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MAINLINE is true if we are reading the main symbol
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table (as opposed to a shared lib or dynamically loaded file). */
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void
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hpread_build_psymtabs (objfile, section_offsets, mainline)
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struct objfile *objfile;
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struct section_offsets *section_offsets;
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int mainline;
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{
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char *namestring;
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int past_first_source_file = 0;
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struct cleanup *old_chain;
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int hp_symnum, symcount, i;
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union dnttentry *dn_bufp;
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unsigned long valu;
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char *p;
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int texthigh = 0;
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int have_name = 0;
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/* Current partial symtab */
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struct partial_symtab *pst;
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/* List of current psymtab's include files */
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char **psymtab_include_list;
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int includes_allocated;
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int includes_used;
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/* Index within current psymtab dependency list */
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struct partial_symtab **dependency_list;
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int dependencies_used, dependencies_allocated;
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/* Just in case the stabs reader left turds lying around. */
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pending_blocks = 0;
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make_cleanup (really_free_pendings, 0);
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pst = (struct partial_symtab *) 0;
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/* We shouldn't use alloca, instead use malloc/free. Doing so avoids
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a number of problems with cross compilation and creating useless holes
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in the stack when we have to allocate new entries. FIXME. */
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includes_allocated = 30;
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includes_used = 0;
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psymtab_include_list = (char **) alloca (includes_allocated *
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sizeof (char *));
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dependencies_allocated = 30;
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dependencies_used = 0;
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dependency_list =
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(struct partial_symtab **) alloca (dependencies_allocated *
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sizeof (struct partial_symtab *));
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old_chain = make_cleanup (free_objfile, objfile);
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last_source_file = 0;
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/* Make two passes, one ofr the GNTT symbols, the other for the
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LNTT symbols. */
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for (i = 0; i < 1; i++)
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{
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int within_function = 0;
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if (i)
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symcount = GNTT_SYMCOUNT (objfile);
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else
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symcount = LNTT_SYMCOUNT (objfile);
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for (hp_symnum = 0; hp_symnum < symcount; hp_symnum++)
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{
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QUIT;
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if (i)
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dn_bufp = hpread_get_gntt (hp_symnum, objfile);
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else
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dn_bufp = hpread_get_lntt (hp_symnum, objfile);
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if (dn_bufp->dblock.extension)
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continue;
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/* Only handle things which are necessary for minimal symbols.
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everything else is ignored. */
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switch (dn_bufp->dblock.kind)
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{
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case DNTT_TYPE_SRCFILE:
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{
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/* A source file of some kind. Note this may simply
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be an included file. */
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SET_NAMESTRING (dn_bufp, &namestring, objfile);
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/* Check if this is the source file we are already working
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with. */
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if (pst && !strcmp (namestring, pst->filename))
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continue;
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/* Check if this is an include file, if so check if we have
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already seen it. Add it to the include list */
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p = strrchr (namestring, '.');
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if (!strcmp (p, ".h"))
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{
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int j, found;
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found = 0;
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for (j = 0; j < includes_used; j++)
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if (!strcmp (namestring, psymtab_include_list[j]))
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{
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found = 1;
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||
break;
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||
}
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if (found)
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continue;
|
||
|
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/* Add it to the list of includes seen so far and
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allocate more include space if necessary. */
|
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psymtab_include_list[includes_used++] = namestring;
|
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if (includes_used >= includes_allocated)
|
||
{
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||
char **orig = psymtab_include_list;
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||
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psymtab_include_list = (char **)
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alloca ((includes_allocated *= 2) *
|
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sizeof (char *));
|
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memcpy ((PTR) psymtab_include_list, (PTR) orig,
|
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includes_used * sizeof (char *));
|
||
}
|
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continue;
|
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}
|
||
|
||
|
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if (pst)
|
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{
|
||
if (!have_name)
|
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{
|
||
pst->filename = (char *)
|
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obstack_alloc (&pst->objfile->psymbol_obstack,
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strlen (namestring) + 1);
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||
strcpy (pst->filename, namestring);
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||
have_name = 1;
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continue;
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||
}
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continue;
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||
}
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||
|
||
/* This is a bonafide new source file.
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End the current partial symtab and start a new one. */
|
||
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||
if (pst && past_first_source_file)
|
||
{
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||
hpread_end_psymtab (pst, psymtab_include_list,
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includes_used,
|
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(hp_symnum
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* sizeof (struct dntt_type_block)),
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texthigh,
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dependency_list, dependencies_used);
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||
pst = (struct partial_symtab *) 0;
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includes_used = 0;
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dependencies_used = 0;
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}
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else
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past_first_source_file = 1;
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||
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valu = hpread_get_textlow (i, hp_symnum, objfile);
|
||
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
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||
pst = hpread_start_psymtab (objfile, section_offsets,
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namestring, valu,
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(hp_symnum
|
||
* sizeof (struct dntt_type_block)),
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||
objfile->global_psymbols.next,
|
||
objfile->static_psymbols.next);
|
||
texthigh = valu;
|
||
have_name = 1;
|
||
continue;
|
||
}
|
||
|
||
case DNTT_TYPE_MODULE:
|
||
/* A source file. It's still unclear to me what the
|
||
real difference between a DNTT_TYPE_SRCFILE and DNTT_TYPE_MODULE
|
||
is supposed to be. */
|
||
SET_NAMESTRING (dn_bufp, &namestring, objfile);
|
||
valu = hpread_get_textlow (i, hp_symnum, objfile);
|
||
valu += ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
||
if (!pst)
|
||
{
|
||
pst = hpread_start_psymtab (objfile, section_offsets,
|
||
namestring, valu,
|
||
(hp_symnum
|
||
* sizeof (struct dntt_type_block)),
|
||
objfile->global_psymbols.next,
|
||
objfile->static_psymbols.next);
|
||
texthigh = valu;
|
||
have_name = 0;
|
||
}
|
||
continue;
|
||
case DNTT_TYPE_FUNCTION:
|
||
case DNTT_TYPE_ENTRY:
|
||
/* The beginning of a function. DNTT_TYPE_ENTRY may also denote
|
||
a secondary entry point. */
|
||
valu = dn_bufp->dfunc.hiaddr + ANOFFSET (section_offsets,
|
||
SECT_OFF_TEXT);
|
||
if (valu > texthigh)
|
||
texthigh = valu;
|
||
valu = dn_bufp->dfunc.lowaddr +
|
||
ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
||
SET_NAMESTRING (dn_bufp, &namestring, objfile);
|
||
ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring),
|
||
VAR_NAMESPACE, LOC_BLOCK,
|
||
objfile->static_psymbols, valu,
|
||
language_unknown, objfile);
|
||
within_function = 1;
|
||
continue;
|
||
case DNTT_TYPE_BEGIN:
|
||
case DNTT_TYPE_END:
|
||
/* Scope block begin/end. We only care about function
|
||
and file blocks right now. */
|
||
if (dn_bufp->dend.endkind == DNTT_TYPE_MODULE)
|
||
{
|
||
hpread_end_psymtab (pst, psymtab_include_list, includes_used,
|
||
(hp_symnum
|
||
* sizeof (struct dntt_type_block)),
|
||
texthigh,
|
||
dependency_list, dependencies_used);
|
||
pst = (struct partial_symtab *) 0;
|
||
includes_used = 0;
|
||
dependencies_used = 0;
|
||
have_name = 0;
|
||
}
|
||
if (dn_bufp->dend.endkind == DNTT_TYPE_FUNCTION)
|
||
within_function = 0;
|
||
continue;
|
||
case DNTT_TYPE_SVAR:
|
||
case DNTT_TYPE_DVAR:
|
||
case DNTT_TYPE_TYPEDEF:
|
||
case DNTT_TYPE_TAGDEF:
|
||
{
|
||
/* Variables, typedefs an the like. */
|
||
enum address_class storage;
|
||
enum namespace namespace;
|
||
|
||
/* Don't add locals to the partial symbol table. */
|
||
if (within_function
|
||
&& (dn_bufp->dblock.kind == DNTT_TYPE_SVAR
|
||
|| dn_bufp->dblock.kind == DNTT_TYPE_DVAR))
|
||
continue;
|
||
|
||
/* TAGDEFs go into the structure namespace. */
|
||
if (dn_bufp->dblock.kind == DNTT_TYPE_TAGDEF)
|
||
namespace = STRUCT_NAMESPACE;
|
||
else
|
||
namespace = VAR_NAMESPACE;
|
||
|
||
/* What kind of "storage" does this use? */
|
||
if (dn_bufp->dblock.kind == DNTT_TYPE_SVAR)
|
||
storage = LOC_STATIC;
|
||
else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR
|
||
&& dn_bufp->ddvar.regvar)
|
||
storage = LOC_REGISTER;
|
||
else if (dn_bufp->dblock.kind == DNTT_TYPE_DVAR)
|
||
storage = LOC_LOCAL;
|
||
else
|
||
storage = LOC_UNDEF;
|
||
|
||
SET_NAMESTRING (dn_bufp, &namestring, objfile);
|
||
if (!pst)
|
||
{
|
||
pst = hpread_start_psymtab (objfile, section_offsets,
|
||
"globals", 0,
|
||
(hp_symnum
|
||
* sizeof (struct dntt_type_block)),
|
||
objfile->global_psymbols.next,
|
||
objfile->static_psymbols.next);
|
||
}
|
||
if (dn_bufp->dsvar.global)
|
||
{
|
||
ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring),
|
||
namespace, storage,
|
||
objfile->global_psymbols,
|
||
dn_bufp->dsvar.location,
|
||
language_unknown, objfile);
|
||
}
|
||
else
|
||
{
|
||
ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring),
|
||
namespace, storage,
|
||
objfile->static_psymbols,
|
||
dn_bufp->dsvar.location,
|
||
language_unknown, objfile);
|
||
}
|
||
continue;
|
||
}
|
||
case DNTT_TYPE_MEMENUM:
|
||
case DNTT_TYPE_CONST:
|
||
/* Constants and members of enumerated types. */
|
||
SET_NAMESTRING (dn_bufp, &namestring, objfile);
|
||
if (!pst)
|
||
{
|
||
pst = hpread_start_psymtab (objfile, section_offsets,
|
||
"globals", 0,
|
||
(hp_symnum
|
||
* sizeof (struct dntt_type_block)),
|
||
objfile->global_psymbols.next,
|
||
objfile->static_psymbols.next);
|
||
}
|
||
ADD_PSYMBOL_TO_LIST (namestring, strlen (namestring),
|
||
VAR_NAMESPACE, LOC_CONST,
|
||
objfile->static_psymbols, 0,
|
||
language_unknown, objfile);
|
||
continue;
|
||
default:
|
||
continue;
|
||
}
|
||
}
|
||
}
|
||
|
||
/* End any pending partial symbol table. */
|
||
if (pst)
|
||
{
|
||
hpread_end_psymtab (pst, psymtab_include_list, includes_used,
|
||
hp_symnum * sizeof (struct dntt_type_block),
|
||
0, dependency_list, dependencies_used);
|
||
}
|
||
|
||
discard_cleanups (old_chain);
|
||
}
|
||
|
||
/* Perform any local cleanups required when we are done with a particular
|
||
objfile. I.E, we are in the process of discarding all symbol information
|
||
for an objfile, freeing up all memory held for it, and unlinking the
|
||
objfile struct from the global list of known objfiles. */
|
||
|
||
void
|
||
hpread_symfile_finish (objfile)
|
||
struct objfile *objfile;
|
||
{
|
||
if (objfile->sym_private != NULL)
|
||
{
|
||
mfree (objfile->md, objfile->sym_private);
|
||
}
|
||
}
|
||
|
||
|
||
/* The remaining functions are all for internal use only. */
|
||
|
||
/* Various small functions to get entries in the debug symbol sections. */
|
||
|
||
static union dnttentry *
|
||
hpread_get_lntt (index, objfile)
|
||
int index;
|
||
struct objfile *objfile;
|
||
{
|
||
return (union dnttentry *)
|
||
&(LNTT (objfile)[(index * sizeof (struct dntt_type_block))]);
|
||
}
|
||
|
||
static union dnttentry *
|
||
hpread_get_gntt (index, objfile)
|
||
int index;
|
||
struct objfile *objfile;
|
||
{
|
||
return (union dnttentry *)
|
||
&(GNTT (objfile)[(index * sizeof (struct dntt_type_block))]);
|
||
}
|
||
|
||
static union sltentry *
|
||
hpread_get_slt (index, objfile)
|
||
int index;
|
||
struct objfile *objfile;
|
||
{
|
||
return (union sltentry *)&(SLT (objfile)[index * sizeof (union sltentry)]);
|
||
}
|
||
|
||
/* Get the low address associated with some symbol (typically the start
|
||
of a particular source file or module). Since that information is not
|
||
stored as part of the DNTT_TYPE_MODULE or DNTT_TYPE_SRCFILE symbol we must infer it from
|
||
the existance of DNTT_TYPE_FUNCTION symbols. */
|
||
|
||
static unsigned long
|
||
hpread_get_textlow (global, index, objfile)
|
||
int global;
|
||
int index;
|
||
struct objfile *objfile;
|
||
{
|
||
union dnttentry *dn_bufp;
|
||
struct minimal_symbol *msymbol;
|
||
|
||
/* Look for a DNTT_TYPE_FUNCTION symbol. */
|
||
do
|
||
{
|
||
if (global)
|
||
dn_bufp = hpread_get_gntt (index++, objfile);
|
||
else
|
||
dn_bufp = hpread_get_lntt (index++, objfile);
|
||
} while (dn_bufp->dblock.kind != DNTT_TYPE_FUNCTION
|
||
&& dn_bufp->dblock.kind != DNTT_TYPE_END);
|
||
|
||
/* Avoid going past a DNTT_TYPE_END when looking for a DNTT_TYPE_FUNCTION. This
|
||
might happen when a sourcefile has no functions. */
|
||
if (dn_bufp->dblock.kind == DNTT_TYPE_END)
|
||
return 0;
|
||
|
||
/* The minimal symbols are typically more accurate for some reason. */
|
||
msymbol = lookup_minimal_symbol (dn_bufp->dfunc.name + VT (objfile), NULL,
|
||
objfile);
|
||
if (msymbol)
|
||
return SYMBOL_VALUE_ADDRESS (msymbol);
|
||
else
|
||
return dn_bufp->dfunc.lowaddr;
|
||
}
|
||
|
||
/* Get the nesting depth for the source line identified by INDEX. */
|
||
|
||
static unsigned long
|
||
hpread_get_depth (index, objfile)
|
||
sltpointer index;
|
||
struct objfile *objfile;
|
||
{
|
||
union sltentry *sl_bufp;
|
||
|
||
sl_bufp = hpread_get_slt (index, objfile);
|
||
return sl_bufp->sspec.backptr.dnttp.index;
|
||
}
|
||
|
||
/* Get the source line number the the line identified by INDEX. */
|
||
|
||
static unsigned long
|
||
hpread_get_line (index, objfile)
|
||
sltpointer index;
|
||
struct objfile *objfile;
|
||
{
|
||
union sltentry *sl_bufp;
|
||
|
||
sl_bufp = hpread_get_slt (index, objfile);
|
||
return sl_bufp->snorm.line;
|
||
}
|
||
|
||
static CORE_ADDR
|
||
hpread_get_location (index, objfile)
|
||
sltpointer index;
|
||
struct objfile *objfile;
|
||
{
|
||
union sltentry *sl_bufp;
|
||
int i;
|
||
|
||
/* code location of special sltentrys is determined from context */
|
||
sl_bufp = hpread_get_slt (index, objfile);
|
||
|
||
if (sl_bufp->snorm.sltdesc == SLT_END)
|
||
{
|
||
/* find previous normal sltentry and get address */
|
||
for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
|
||
(sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
|
||
sl_bufp = hpread_get_slt (index - i, objfile);
|
||
return sl_bufp->snorm.address;
|
||
}
|
||
|
||
/* find next normal sltentry and get address */
|
||
for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
|
||
(sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
|
||
sl_bufp = hpread_get_slt (index + i, objfile);
|
||
return sl_bufp->snorm.address;
|
||
}
|
||
|
||
|
||
/* Return 1 if an HP debug symbol of type KIND has a name associated with
|
||
it, else return 0. */
|
||
|
||
static int
|
||
hpread_has_name (kind)
|
||
enum dntt_entry_type kind;
|
||
{
|
||
switch (kind)
|
||
{
|
||
case DNTT_TYPE_SRCFILE:
|
||
case DNTT_TYPE_MODULE:
|
||
case DNTT_TYPE_FUNCTION:
|
||
case DNTT_TYPE_ENTRY:
|
||
case DNTT_TYPE_IMPORT:
|
||
case DNTT_TYPE_LABEL:
|
||
case DNTT_TYPE_FPARAM:
|
||
case DNTT_TYPE_SVAR:
|
||
case DNTT_TYPE_DVAR:
|
||
case DNTT_TYPE_CONST:
|
||
case DNTT_TYPE_TYPEDEF:
|
||
case DNTT_TYPE_TAGDEF:
|
||
case DNTT_TYPE_MEMENUM:
|
||
case DNTT_TYPE_FIELD:
|
||
case DNTT_TYPE_SA:
|
||
return 1;
|
||
|
||
case DNTT_TYPE_BEGIN:
|
||
case DNTT_TYPE_END:
|
||
case DNTT_TYPE_WITH:
|
||
case DNTT_TYPE_COMMON:
|
||
case DNTT_TYPE_POINTER:
|
||
case DNTT_TYPE_ENUM:
|
||
case DNTT_TYPE_SET:
|
||
case DNTT_TYPE_SUBRANGE:
|
||
case DNTT_TYPE_ARRAY:
|
||
case DNTT_TYPE_STRUCT:
|
||
case DNTT_TYPE_UNION:
|
||
case DNTT_TYPE_VARIANT:
|
||
case DNTT_TYPE_FILE:
|
||
case DNTT_TYPE_FUNCTYPE:
|
||
case DNTT_TYPE_COBSTRUCT:
|
||
case DNTT_TYPE_XREF:
|
||
case DNTT_TYPE_MACRO:
|
||
default:
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
/* Allocate and partially fill a partial symtab. It will be
|
||
completely filled at the end of the symbol list.
|
||
|
||
SYMFILE_NAME is the name of the symbol-file we are reading from, and ADDR
|
||
is the address relative to which its symbols are (incremental) or 0
|
||
(normal). */
|
||
|
||
static struct partial_symtab *
|
||
hpread_start_psymtab (objfile, section_offsets,
|
||
filename, textlow, ldsymoff, global_syms, static_syms)
|
||
struct objfile *objfile;
|
||
struct section_offsets *section_offsets;
|
||
char *filename;
|
||
CORE_ADDR textlow;
|
||
int ldsymoff;
|
||
struct partial_symbol *global_syms;
|
||
struct partial_symbol *static_syms;
|
||
{
|
||
struct partial_symtab *result =
|
||
start_psymtab_common (objfile, section_offsets,
|
||
filename, textlow, global_syms, static_syms);
|
||
|
||
result->read_symtab_private = (char *)
|
||
obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc));
|
||
LDSYMOFF (result) = ldsymoff;
|
||
result->read_symtab = hpread_psymtab_to_symtab;
|
||
|
||
return result;
|
||
}
|
||
|
||
|
||
/* Close off the current usage of PST.
|
||
Returns PST or NULL if the partial symtab was empty and thrown away.
|
||
|
||
FIXME: List variables and peculiarities of same. */
|
||
|
||
static struct partial_symtab *
|
||
hpread_end_psymtab (pst, include_list, num_includes, capping_symbol_offset,
|
||
capping_text, dependency_list, number_dependencies)
|
||
struct partial_symtab *pst;
|
||
char **include_list;
|
||
int num_includes;
|
||
int capping_symbol_offset;
|
||
CORE_ADDR capping_text;
|
||
struct partial_symtab **dependency_list;
|
||
int number_dependencies;
|
||
{
|
||
int i;
|
||
struct objfile *objfile = pst -> objfile;
|
||
|
||
if (capping_symbol_offset != -1)
|
||
LDSYMLEN(pst) = capping_symbol_offset - LDSYMOFF(pst);
|
||
pst->texthigh = capping_text;
|
||
|
||
pst->n_global_syms =
|
||
objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
|
||
pst->n_static_syms =
|
||
objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset);
|
||
|
||
pst->number_of_dependencies = number_dependencies;
|
||
if (number_dependencies)
|
||
{
|
||
pst->dependencies = (struct partial_symtab **)
|
||
obstack_alloc (&objfile->psymbol_obstack,
|
||
number_dependencies * sizeof (struct partial_symtab *));
|
||
memcpy (pst->dependencies, dependency_list,
|
||
number_dependencies * sizeof (struct partial_symtab *));
|
||
}
|
||
else
|
||
pst->dependencies = 0;
|
||
|
||
for (i = 0; i < num_includes; i++)
|
||
{
|
||
struct partial_symtab *subpst =
|
||
allocate_psymtab (include_list[i], objfile);
|
||
|
||
subpst->section_offsets = pst->section_offsets;
|
||
subpst->read_symtab_private =
|
||
(char *) obstack_alloc (&objfile->psymbol_obstack,
|
||
sizeof (struct symloc));
|
||
LDSYMOFF(subpst) =
|
||
LDSYMLEN(subpst) =
|
||
subpst->textlow =
|
||
subpst->texthigh = 0;
|
||
|
||
/* We could save slight bits of space by only making one of these,
|
||
shared by the entire set of include files. FIXME-someday. */
|
||
subpst->dependencies = (struct partial_symtab **)
|
||
obstack_alloc (&objfile->psymbol_obstack,
|
||
sizeof (struct partial_symtab *));
|
||
subpst->dependencies[0] = pst;
|
||
subpst->number_of_dependencies = 1;
|
||
|
||
subpst->globals_offset =
|
||
subpst->n_global_syms =
|
||
subpst->statics_offset =
|
||
subpst->n_static_syms = 0;
|
||
|
||
subpst->readin = 0;
|
||
subpst->symtab = 0;
|
||
subpst->read_symtab = pst->read_symtab;
|
||
}
|
||
|
||
sort_pst_symbols (pst);
|
||
|
||
/* If there is already a psymtab or symtab for a file of this name, remove it.
|
||
(If there is a symtab, more drastic things also happen.)
|
||
This happens in VxWorks. */
|
||
free_named_symtabs (pst->filename);
|
||
|
||
if (num_includes == 0
|
||
&& number_dependencies == 0
|
||
&& pst->n_global_syms == 0
|
||
&& pst->n_static_syms == 0)
|
||
{
|
||
/* Throw away this psymtab, it's empty. We can't deallocate it, since
|
||
it is on the obstack, but we can forget to chain it on the list. */
|
||
/* Empty psymtabs happen as a result of header files which don't have
|
||
any symbols in them. There can be a lot of them. But this check
|
||
is wrong, in that a psymtab with N_SLINE entries but nothing else
|
||
is not empty, but we don't realize that. Fixing that without slowing
|
||
things down might be tricky. */
|
||
struct partial_symtab *prev_pst;
|
||
|
||
/* First, snip it out of the psymtab chain */
|
||
|
||
if (pst->objfile->psymtabs == pst)
|
||
pst->objfile->psymtabs = pst->next;
|
||
else
|
||
for (prev_pst = pst->objfile->psymtabs; prev_pst; prev_pst = pst->next)
|
||
if (prev_pst->next == pst)
|
||
prev_pst->next = pst->next;
|
||
|
||
/* Next, put it on a free list for recycling */
|
||
|
||
pst->next = pst->objfile->free_psymtabs;
|
||
pst->objfile->free_psymtabs = pst;
|
||
|
||
/* Indicate that psymtab was thrown away. */
|
||
pst = (struct partial_symtab *)NULL;
|
||
}
|
||
return pst;
|
||
}
|
||
|
||
/* Do the dirty work of reading in the full symbol from a partial symbol
|
||
table. */
|
||
|
||
static void
|
||
hpread_psymtab_to_symtab_1 (pst)
|
||
struct partial_symtab *pst;
|
||
{
|
||
struct cleanup *old_chain;
|
||
int i;
|
||
|
||
/* Get out quick if passed junk. */
|
||
if (!pst)
|
||
return;
|
||
|
||
/* Complain if we've already read in this symbol table. */
|
||
if (pst->readin)
|
||
{
|
||
fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
|
||
pst->filename);
|
||
return;
|
||
}
|
||
|
||
/* Read in all partial symtabs on which this one is dependent */
|
||
for (i = 0; i < pst->number_of_dependencies; i++)
|
||
if (!pst->dependencies[i]->readin)
|
||
{
|
||
/* Inform about additional files that need to be read in. */
|
||
if (info_verbose)
|
||
{
|
||
fputs_filtered (" ", stdout);
|
||
wrap_here ("");
|
||
fputs_filtered ("and ", stdout);
|
||
wrap_here ("");
|
||
printf_filtered ("%s...", pst->dependencies[i]->filename);
|
||
wrap_here (""); /* Flush output */
|
||
fflush (stdout);
|
||
}
|
||
hpread_psymtab_to_symtab_1 (pst->dependencies[i]);
|
||
}
|
||
|
||
/* If it's real... */
|
||
if (LDSYMLEN (pst))
|
||
{
|
||
/* Init stuff necessary for reading in symbols */
|
||
buildsym_init ();
|
||
old_chain = make_cleanup (really_free_pendings, 0);
|
||
|
||
pst->symtab =
|
||
hpread_expand_symtab (pst->objfile, LDSYMOFF (pst), LDSYMLEN (pst),
|
||
pst->textlow, pst->texthigh - pst->textlow,
|
||
pst->section_offsets, pst->filename);
|
||
sort_symtab_syms (pst->symtab);
|
||
|
||
do_cleanups (old_chain);
|
||
}
|
||
|
||
pst->readin = 1;
|
||
}
|
||
|
||
/* Read in all of the symbols for a given psymtab for real.
|
||
Be verbose about it if the user wants that. */
|
||
|
||
static void
|
||
hpread_psymtab_to_symtab (pst)
|
||
struct partial_symtab *pst;
|
||
{
|
||
/* Get out quick if given junk. */
|
||
if (!pst)
|
||
return;
|
||
|
||
/* Sanity check. */
|
||
if (pst->readin)
|
||
{
|
||
fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
|
||
pst->filename);
|
||
return;
|
||
}
|
||
|
||
if (LDSYMLEN (pst) || pst->number_of_dependencies)
|
||
{
|
||
/* Print the message now, before reading the string table,
|
||
to avoid disconcerting pauses. */
|
||
if (info_verbose)
|
||
{
|
||
printf_filtered ("Reading in symbols for %s...", pst->filename);
|
||
fflush (stdout);
|
||
}
|
||
|
||
hpread_psymtab_to_symtab_1 (pst);
|
||
|
||
/* 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);
|
||
|
||
/* Finish up the debug error message. */
|
||
if (info_verbose)
|
||
printf_filtered ("done.\n");
|
||
}
|
||
}
|
||
/* Read in a defined section of a specific object file's symbols.
|
||
|
||
DESC is the file descriptor for the file, positioned at the
|
||
beginning of the symtab
|
||
SYM_OFFSET is the offset within the file of
|
||
the beginning of the symbols we want to read
|
||
SYM_SIZE is the size of the symbol info to read in.
|
||
TEXT_OFFSET is the beginning of the text segment we are reading symbols for
|
||
TEXT_SIZE is the size of the text segment read in.
|
||
SECTION_OFFSETS are the relocation offsets which get added to each symbol. */
|
||
|
||
static struct symtab *
|
||
hpread_expand_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
|
||
section_offsets, filename)
|
||
struct objfile *objfile;
|
||
int sym_offset;
|
||
int sym_size;
|
||
CORE_ADDR text_offset;
|
||
int text_size;
|
||
struct section_offsets *section_offsets;
|
||
char *filename;
|
||
{
|
||
char *namestring;
|
||
union dnttentry *dn_bufp;
|
||
unsigned max_symnum;
|
||
|
||
int sym_index = sym_offset / sizeof (struct dntt_type_block);
|
||
|
||
current_objfile = objfile;
|
||
subfile_stack = 0;
|
||
|
||
last_source_file = 0;
|
||
|
||
dn_bufp = hpread_get_lntt (sym_index, objfile);
|
||
if (!((dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_SRCFILE) ||
|
||
(dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_MODULE)))
|
||
start_symtab ("globals", NULL, 0);
|
||
|
||
max_symnum = sym_size / sizeof (struct dntt_type_block);
|
||
|
||
/* Read in and process each debug symbol within the specified range. */
|
||
for (symnum = 0;
|
||
symnum < max_symnum;
|
||
symnum++)
|
||
{
|
||
QUIT; /* Allow this to be interruptable */
|
||
dn_bufp = hpread_get_lntt (sym_index + symnum, objfile);
|
||
|
||
if (dn_bufp->dblock.extension)
|
||
continue;
|
||
|
||
/* Yow! We call SET_NAMESTRING on things without names! */
|
||
SET_NAMESTRING (dn_bufp, &namestring, objfile);
|
||
|
||
hpread_process_one_debug_symbol (dn_bufp, namestring, section_offsets,
|
||
objfile, text_offset, text_size,
|
||
filename, symnum + sym_index);
|
||
}
|
||
|
||
current_objfile = NULL;
|
||
|
||
return end_symtab (text_offset + text_size, 0, 0, objfile, 0);
|
||
}
|
||
|
||
|
||
/* Convert basic types from HP debug format into GDB internal format. */
|
||
|
||
static int
|
||
hpread_type_translate (typep)
|
||
dnttpointer typep;
|
||
{
|
||
if (!typep.dntti.immediate)
|
||
abort ();
|
||
|
||
switch (typep.dntti.type)
|
||
{
|
||
case HP_TYPE_BOOLEAN:
|
||
case HP_TYPE_BOOLEAN_S300_COMPAT:
|
||
case HP_TYPE_BOOLEAN_VAX_COMPAT:
|
||
return FT_BOOLEAN;
|
||
/* Ugh. No way to distinguish between signed and unsigned chars. */
|
||
case HP_TYPE_CHAR:
|
||
case HP_TYPE_WIDE_CHAR:
|
||
return FT_CHAR;
|
||
case HP_TYPE_INT:
|
||
if (typep.dntti.bitlength <= 8)
|
||
return FT_CHAR;
|
||
if (typep.dntti.bitlength <= 16)
|
||
return FT_SHORT;
|
||
if (typep.dntti.bitlength <= 32)
|
||
return FT_INTEGER;
|
||
return FT_LONG_LONG;
|
||
case HP_TYPE_LONG:
|
||
return FT_LONG;
|
||
case HP_TYPE_UNSIGNED_LONG:
|
||
if (typep.dntti.bitlength <= 8)
|
||
return FT_UNSIGNED_CHAR;
|
||
if (typep.dntti.bitlength <= 16)
|
||
return FT_UNSIGNED_SHORT;
|
||
if (typep.dntti.bitlength <= 32)
|
||
return FT_UNSIGNED_LONG;
|
||
return FT_UNSIGNED_LONG_LONG;
|
||
case HP_TYPE_UNSIGNED_INT:
|
||
if (typep.dntti.bitlength <= 8)
|
||
return FT_UNSIGNED_CHAR;
|
||
if (typep.dntti.bitlength <= 16)
|
||
return FT_UNSIGNED_SHORT;
|
||
if (typep.dntti.bitlength <= 32)
|
||
return FT_UNSIGNED_INTEGER;
|
||
return FT_UNSIGNED_LONG_LONG;
|
||
case HP_TYPE_REAL:
|
||
case HP_TYPE_REAL_3000:
|
||
case HP_TYPE_DOUBLE:
|
||
if (typep.dntti.bitlength == 64)
|
||
return FT_DBL_PREC_FLOAT;
|
||
if (typep.dntti.bitlength == 128)
|
||
return FT_EXT_PREC_FLOAT;
|
||
return FT_FLOAT;
|
||
case HP_TYPE_COMPLEX:
|
||
case HP_TYPE_COMPLEXS3000:
|
||
if (typep.dntti.bitlength == 128)
|
||
return FT_DBL_PREC_COMPLEX;
|
||
if (typep.dntti.bitlength == 192)
|
||
return FT_EXT_PREC_COMPLEX;
|
||
return FT_COMPLEX;
|
||
case HP_TYPE_STRING200:
|
||
case HP_TYPE_LONGSTRING200:
|
||
case HP_TYPE_FTN_STRING_SPEC:
|
||
case HP_TYPE_MOD_STRING_SPEC:
|
||
case HP_TYPE_MOD_STRING_3000:
|
||
case HP_TYPE_FTN_STRING_S300_COMPAT:
|
||
case HP_TYPE_FTN_STRING_VAX_COMPAT:
|
||
return FT_STRING;
|
||
default:
|
||
abort ();
|
||
}
|
||
}
|
||
|
||
/* Return the type associated with the index found in HP_TYPE. */
|
||
|
||
static struct type **
|
||
hpread_lookup_type (hp_type, objfile)
|
||
dnttpointer hp_type;
|
||
struct objfile *objfile;
|
||
{
|
||
unsigned old_len;
|
||
int index = hp_type.dnttp.index;
|
||
|
||
if (hp_type.dntti.immediate)
|
||
return NULL;
|
||
|
||
if (index < LNTT_SYMCOUNT (objfile))
|
||
{
|
||
if (index >= TYPE_VECTOR_LENGTH (objfile))
|
||
{
|
||
old_len = TYPE_VECTOR_LENGTH (objfile);
|
||
if (old_len == 0)
|
||
{
|
||
TYPE_VECTOR_LENGTH (objfile) = 100;
|
||
TYPE_VECTOR (objfile) = (struct type **)
|
||
malloc (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *));
|
||
}
|
||
while (index >= TYPE_VECTOR_LENGTH (objfile))
|
||
TYPE_VECTOR_LENGTH (objfile) *= 2;
|
||
TYPE_VECTOR (objfile) = (struct type **)
|
||
xrealloc ((char *) TYPE_VECTOR (objfile),
|
||
(TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *)));
|
||
memset (&TYPE_VECTOR (objfile)[old_len], 0,
|
||
(TYPE_VECTOR_LENGTH (objfile) - old_len) *
|
||
sizeof (struct type *));
|
||
}
|
||
return &TYPE_VECTOR (objfile)[index];
|
||
}
|
||
else
|
||
return NULL;
|
||
}
|
||
|
||
/* Possibly allocate a GDB internal type so we can internalize HP_TYPE.
|
||
Note we'll just return the address of a GDB internal type if we already
|
||
have it lying around. */
|
||
|
||
static struct type *
|
||
hpread_alloc_type (hp_type, objfile)
|
||
dnttpointer hp_type;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type **type_addr;
|
||
|
||
type_addr = hpread_lookup_type (hp_type, objfile);
|
||
if (*type_addr == 0)
|
||
*type_addr = alloc_type (objfile);
|
||
|
||
TYPE_CPLUS_SPECIFIC (*type_addr)
|
||
= (struct cplus_struct_type *) &cplus_struct_default;
|
||
return *type_addr;
|
||
}
|
||
|
||
/* Read a native enumerated type and return it in GDB internal form. */
|
||
|
||
static struct type *
|
||
hpread_read_enum_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type *type;
|
||
struct pending **symlist, *osyms, *syms;
|
||
int o_nsyms, nsyms = 0;
|
||
dnttpointer mem;
|
||
union dnttentry *memp;
|
||
char *name;
|
||
long n;
|
||
struct symbol *sym;
|
||
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
TYPE_LENGTH (type) = 4;
|
||
|
||
symlist = &file_symbols;
|
||
osyms = *symlist;
|
||
o_nsyms = osyms ? osyms->nsyms : 0;
|
||
|
||
/* Get a name for each member and add it to our list of members. */
|
||
mem = dn_bufp->denum.firstmem;
|
||
while (mem.dnttp.extension && mem.word != DNTTNIL)
|
||
{
|
||
memp = hpread_get_lntt (mem.dnttp.index, objfile);
|
||
|
||
name = VT (objfile) + memp->dmember.name;
|
||
sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
|
||
sizeof (struct symbol));
|
||
memset (sym, 0, sizeof (struct symbol));
|
||
SYMBOL_NAME (sym) = name;
|
||
SYMBOL_CLASS (sym) = LOC_CONST;
|
||
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
||
SYMBOL_VALUE (sym) = memp->dmember.value;
|
||
add_symbol_to_list (sym, symlist);
|
||
nsyms++;
|
||
mem = memp->dmember.nextmem;
|
||
}
|
||
|
||
/* Now that we know more about the enum, fill in more info. */
|
||
TYPE_CODE (type) = TYPE_CODE_ENUM;
|
||
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
||
TYPE_NFIELDS (type) = nsyms;
|
||
TYPE_FIELDS (type) = (struct field *)
|
||
obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nsyms);
|
||
|
||
/* Find the symbols for the members and put them into the type.
|
||
The symbols can be found in the symlist that we put them on
|
||
to cause them to be defined. osyms contains the old value
|
||
of that symlist; everything up to there was defined by us.
|
||
|
||
Note that we preserve the order of the enum constants, so
|
||
that in something like "enum {FOO, LAST_THING=FOO}" we print
|
||
FOO, not LAST_THING. */
|
||
for (syms = *symlist, n = 0; syms; syms = syms->next)
|
||
{
|
||
int j = 0;
|
||
if (syms == osyms)
|
||
j = o_nsyms;
|
||
for (; j < syms->nsyms; j++, n++)
|
||
{
|
||
struct symbol *xsym = syms->symbol[j];
|
||
SYMBOL_TYPE (xsym) = type;
|
||
TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
|
||
TYPE_FIELD_VALUE (type, n) = 0;
|
||
TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
|
||
TYPE_FIELD_BITSIZE (type, n) = 0;
|
||
}
|
||
if (syms == osyms)
|
||
break;
|
||
}
|
||
|
||
return type;
|
||
}
|
||
|
||
/* Read and internalize a native function debug symbol. */
|
||
|
||
static struct type *
|
||
hpread_read_function_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type *type, *type1;
|
||
struct pending **symlist, *osyms, *syms;
|
||
int o_nsyms, nsyms = 0;
|
||
dnttpointer param;
|
||
union dnttentry *paramp;
|
||
char *name;
|
||
long n;
|
||
struct symbol *sym;
|
||
|
||
param = dn_bufp->dfunc.firstparam;
|
||
|
||
/* See if we've already read in this type. */
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
if (TYPE_CODE (type) == TYPE_CODE_FUNC)
|
||
return type;
|
||
|
||
/* Nope, so read it in and store it away. */
|
||
type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunc.retval,
|
||
objfile));
|
||
memcpy ((char *) type, (char *) type1, sizeof (struct type));
|
||
|
||
symlist = &local_symbols;
|
||
osyms = *symlist;
|
||
o_nsyms = osyms ? osyms->nsyms : 0;
|
||
|
||
/* Now examine each parameter noting its type, location, and a
|
||
wealth of other information. */
|
||
while (param.word && param.word != DNTTNIL)
|
||
{
|
||
paramp = hpread_get_lntt (param.dnttp.index, objfile);
|
||
nsyms++;
|
||
param = paramp->dfparam.nextparam;
|
||
|
||
/* Get the name. */
|
||
name = VT (objfile) + paramp->dfparam.name;
|
||
sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
|
||
sizeof (struct symbol));
|
||
(void) memset (sym, 0, sizeof (struct symbol));
|
||
SYMBOL_NAME (sym) = name;
|
||
|
||
/* Figure out where it lives. */
|
||
if (paramp->dfparam.regparam)
|
||
SYMBOL_CLASS (sym) = LOC_REGPARM;
|
||
else if (paramp->dfparam.indirect)
|
||
SYMBOL_CLASS (sym) = LOC_REF_ARG;
|
||
else
|
||
SYMBOL_CLASS (sym) = LOC_ARG;
|
||
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
||
if (paramp->dfparam.copyparam)
|
||
{
|
||
SYMBOL_VALUE (sym) = paramp->dfparam.location ;
|
||
#ifdef HPREAD_ADJUST_STACK_ADDRESS
|
||
SYMBOL_VALUE (sym)
|
||
+= HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
|
||
#endif
|
||
/* This is likely a pass-by-invisible reference parameter,
|
||
Hack on the symbol class to make GDB happy. */
|
||
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
|
||
}
|
||
else
|
||
SYMBOL_VALUE (sym) = paramp->dfparam.location;
|
||
|
||
/* Get its type. */
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (paramp->dfparam.type, objfile);
|
||
|
||
/* Add it to the list. */
|
||
add_symbol_to_list (sym, symlist);
|
||
}
|
||
|
||
/* Note how many parameters we found. */
|
||
TYPE_NFIELDS (type) = nsyms;
|
||
TYPE_FIELDS (type) = (struct field *)
|
||
obstack_alloc (&objfile->type_obstack,
|
||
sizeof (struct field) * nsyms);
|
||
|
||
/* Find the symbols for the values and put them into the type.
|
||
The symbols can be found in the symlist that we put them on
|
||
to cause them to be defined. osyms contains the old value
|
||
of that symlist; everything up to there was defined by us. */
|
||
/* Note that we preserve the order of the parameters, so
|
||
that in something like "enum {FOO, LAST_THING=FOO}" we print
|
||
FOO, not LAST_THING. */
|
||
for (syms = *symlist, n = 0; syms; syms = syms->next)
|
||
{
|
||
int j = 0;
|
||
if (syms == osyms)
|
||
j = o_nsyms;
|
||
for (; j < syms->nsyms; j++, n++)
|
||
{
|
||
struct symbol *xsym = syms->symbol[j];
|
||
TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
|
||
TYPE_FIELD_TYPE (type, n) = SYMBOL_TYPE (xsym);
|
||
TYPE_FIELD_BITPOS (type, n) = n;
|
||
TYPE_FIELD_BITSIZE (type, n) = 0;
|
||
}
|
||
if (syms == osyms)
|
||
break;
|
||
}
|
||
return type;
|
||
}
|
||
|
||
/* Read in and internalize a structure definition. */
|
||
|
||
static struct type *
|
||
hpread_read_struct_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct nextfield
|
||
{
|
||
struct nextfield *next;
|
||
struct field field;
|
||
};
|
||
|
||
struct type *type;
|
||
struct nextfield *list = 0;
|
||
struct nextfield *new;
|
||
int n, nfields = 0;
|
||
dnttpointer field;
|
||
union dnttentry *fieldp;
|
||
|
||
/* Is it something we've already dealt with? */
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
if ((TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
|
||
(TYPE_CODE (type) == TYPE_CODE_UNION))
|
||
return type;
|
||
|
||
/* Get the basic type correct. */
|
||
if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
|
||
{
|
||
TYPE_CODE (type) = TYPE_CODE_STRUCT;
|
||
TYPE_LENGTH (type) = dn_bufp->dstruct.bitlength / 8;
|
||
}
|
||
else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
|
||
{
|
||
TYPE_CODE (type) = TYPE_CODE_UNION;
|
||
TYPE_LENGTH (type) = dn_bufp->dunion.bitlength / 8;
|
||
}
|
||
else
|
||
return type;
|
||
|
||
|
||
TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
|
||
|
||
/* Read in and internalize all the fields. */
|
||
field = dn_bufp->dstruct.firstfield;
|
||
while (field.word != DNTTNIL && field.dnttp.extension)
|
||
{
|
||
fieldp = hpread_get_lntt (field.dnttp.index, objfile);
|
||
|
||
/* Get space to record the next field's data. */
|
||
new = (struct nextfield *) alloca (sizeof (struct nextfield));
|
||
new->next = list;
|
||
list = new;
|
||
|
||
list->field.name = VT (objfile) + fieldp->dfield.name;
|
||
list->field.bitpos = fieldp->dfield.bitoffset;
|
||
if (fieldp->dfield.bitlength % 8)
|
||
list->field.bitsize = fieldp->dfield.bitlength;
|
||
else
|
||
list->field.bitsize = 0;
|
||
nfields++;
|
||
field = fieldp->dfield.nextfield;
|
||
list->field.type = hpread_type_lookup (fieldp->dfield.type, objfile);
|
||
}
|
||
|
||
TYPE_NFIELDS (type) = nfields;
|
||
TYPE_FIELDS (type) = (struct field *)
|
||
obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nfields);
|
||
|
||
/* Copy the saved-up fields into the field vector. */
|
||
for (n = nfields; list; list = list->next)
|
||
{
|
||
n -= 1;
|
||
TYPE_FIELD (type, n) = list->field;
|
||
}
|
||
return type;
|
||
}
|
||
|
||
/* Read in and internalize a set debug symbol. */
|
||
|
||
static struct type *
|
||
hpread_read_set_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type *type;
|
||
|
||
/* See if it's something we've already deal with. */
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
if (TYPE_CODE (type) == TYPE_CODE_SET)
|
||
return type;
|
||
|
||
/* Nope. Fill in the appropriate fields. */
|
||
TYPE_CODE (type) = TYPE_CODE_SET;
|
||
TYPE_LENGTH (type) = dn_bufp->dset.bitlength / 8;
|
||
TYPE_NFIELDS (type) = 0;
|
||
TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dset.subtype,
|
||
objfile);
|
||
return type;
|
||
}
|
||
|
||
/* Read in and internalize an array debug symbol. */
|
||
|
||
static struct type *
|
||
hpread_read_array_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type *type;
|
||
union dnttentry save;
|
||
save = *dn_bufp;
|
||
|
||
/* Why no check here? Because it kept us from properly determining
|
||
the size of the array! */
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
|
||
TYPE_CODE (type) = TYPE_CODE_ARRAY;
|
||
|
||
/* values are not normalized. */
|
||
if (!((dn_bufp->darray.arrayisbytes && dn_bufp->darray.elemisbytes)
|
||
|| (!dn_bufp->darray.arrayisbytes && !dn_bufp->darray.elemisbytes)))
|
||
abort ();
|
||
else if (dn_bufp->darray.arraylength == 0x7fffffff)
|
||
{
|
||
/* The HP debug format represents char foo[]; as an array with
|
||
length 0x7fffffff. Internally GDB wants to represent this
|
||
as an array of length zero. */
|
||
TYPE_LENGTH (type) = 0;
|
||
}
|
||
else
|
||
TYPE_LENGTH (type) = dn_bufp->darray.arraylength / 8;
|
||
|
||
TYPE_NFIELDS (type) = 1;
|
||
TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->darray.elemtype,
|
||
objfile);
|
||
dn_bufp = &save;
|
||
TYPE_FIELDS (type) = (struct field *)
|
||
obstack_alloc (&objfile->type_obstack, sizeof (struct field));
|
||
TYPE_FIELD_TYPE (type, 0) = hpread_type_lookup (dn_bufp->darray.indextype,
|
||
objfile);
|
||
return type;
|
||
}
|
||
|
||
/* Read in and internalize a subrange debug symbol. */
|
||
static struct type *
|
||
hpread_read_subrange_type (hp_type, dn_bufp, objfile)
|
||
dnttpointer hp_type;
|
||
union dnttentry *dn_bufp;
|
||
struct objfile *objfile;
|
||
{
|
||
struct type *type;
|
||
|
||
/* Is it something we've already dealt with. */
|
||
type = hpread_alloc_type (hp_type, objfile);
|
||
if (TYPE_CODE (type) == TYPE_CODE_RANGE)
|
||
return type;
|
||
|
||
/* Nope, internalize it. */
|
||
TYPE_CODE (type) = TYPE_CODE_RANGE;
|
||
TYPE_LENGTH (type) = dn_bufp->dsubr.bitlength / 8;
|
||
TYPE_NFIELDS (type) = 2;
|
||
TYPE_FIELDS (type)
|
||
= (struct field *) obstack_alloc (&objfile->type_obstack,
|
||
2 * sizeof (struct field));
|
||
|
||
if (dn_bufp->dsubr.dyn_low)
|
||
TYPE_FIELD_BITPOS (type, 0) = 0;
|
||
else
|
||
TYPE_FIELD_BITPOS (type, 0) = dn_bufp->dsubr.lowbound;
|
||
|
||
if (dn_bufp->dsubr.dyn_high)
|
||
TYPE_FIELD_BITPOS (type, 1) = -1;
|
||
else
|
||
TYPE_FIELD_BITPOS (type, 1) = dn_bufp->dsubr.highbound;
|
||
TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dsubr.subtype,
|
||
objfile);
|
||
return type;
|
||
}
|
||
|
||
static struct type *
|
||
hpread_type_lookup (hp_type, objfile)
|
||
dnttpointer hp_type;
|
||
struct objfile *objfile;
|
||
{
|
||
union dnttentry *dn_bufp;
|
||
|
||
/* First see if it's a simple builtin type. */
|
||
if (hp_type.dntti.immediate)
|
||
return lookup_fundamental_type (objfile, hpread_type_translate (hp_type));
|
||
|
||
/* Not a builtin type. We'll have to read it in. */
|
||
if (hp_type.dnttp.index < LNTT_SYMCOUNT (objfile))
|
||
dn_bufp = hpread_get_lntt (hp_type.dnttp.index, objfile);
|
||
else
|
||
return lookup_fundamental_type (objfile, FT_VOID);
|
||
|
||
switch (dn_bufp->dblock.kind)
|
||
{
|
||
case DNTT_TYPE_SRCFILE:
|
||
case DNTT_TYPE_MODULE:
|
||
case DNTT_TYPE_FUNCTION:
|
||
case DNTT_TYPE_ENTRY:
|
||
case DNTT_TYPE_BEGIN:
|
||
case DNTT_TYPE_END:
|
||
case DNTT_TYPE_IMPORT:
|
||
case DNTT_TYPE_LABEL:
|
||
case DNTT_TYPE_WITH:
|
||
case DNTT_TYPE_COMMON:
|
||
case DNTT_TYPE_FPARAM:
|
||
case DNTT_TYPE_SVAR:
|
||
case DNTT_TYPE_DVAR:
|
||
case DNTT_TYPE_CONST:
|
||
/* Opps. Something went very wrong. */
|
||
return lookup_fundamental_type (objfile, FT_VOID);
|
||
|
||
case DNTT_TYPE_TYPEDEF:
|
||
{
|
||
struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
|
||
objfile);
|
||
char *suffix;
|
||
suffix = VT (objfile) + dn_bufp->dtype.name;
|
||
|
||
TYPE_CPLUS_SPECIFIC (structtype)
|
||
= (struct cplus_struct_type *) &cplus_struct_default;
|
||
TYPE_NAME (structtype) = suffix;
|
||
return structtype;
|
||
}
|
||
|
||
case DNTT_TYPE_TAGDEF:
|
||
{
|
||
/* Just a little different from above. We have to tack on
|
||
an identifier of some kind (struct, union, enum, etc). */
|
||
struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
|
||
objfile);
|
||
char *prefix, *suffix;
|
||
suffix = VT (objfile) + dn_bufp->dtype.name;
|
||
|
||
/* Lookup the next type in the list. It should be a structure,
|
||
union, or enum type. We will need to attach that to our name. */
|
||
if (dn_bufp->dtype.type.dnttp.index < LNTT_SYMCOUNT (objfile))
|
||
dn_bufp = hpread_get_lntt (dn_bufp->dtype.type.dnttp.index, objfile);
|
||
else
|
||
abort ();
|
||
|
||
if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
|
||
prefix = "struct ";
|
||
else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
|
||
prefix = "union ";
|
||
else
|
||
prefix = "enum ";
|
||
|
||
/* Build the correct name. */
|
||
structtype->name
|
||
= (char *) obstack_alloc (&objfile->type_obstack,
|
||
strlen (prefix) + strlen (suffix) + 1);
|
||
TYPE_NAME (structtype) = strcpy (TYPE_NAME (structtype), prefix);
|
||
TYPE_NAME (structtype) = strcat (TYPE_NAME (structtype), suffix);
|
||
TYPE_TAG_NAME (structtype) = suffix;
|
||
|
||
TYPE_CPLUS_SPECIFIC (structtype)
|
||
= (struct cplus_struct_type *) &cplus_struct_default;
|
||
|
||
return structtype;
|
||
}
|
||
case DNTT_TYPE_POINTER:
|
||
return lookup_pointer_type (hpread_type_lookup (dn_bufp->dptr.pointsto,
|
||
objfile));
|
||
case DNTT_TYPE_ENUM:
|
||
return hpread_read_enum_type (hp_type, dn_bufp, objfile);
|
||
case DNTT_TYPE_MEMENUM:
|
||
return lookup_fundamental_type (objfile, FT_VOID);
|
||
case DNTT_TYPE_SET:
|
||
return hpread_read_set_type (hp_type, dn_bufp, objfile);
|
||
case DNTT_TYPE_SUBRANGE:
|
||
return hpread_read_subrange_type (hp_type, dn_bufp, objfile);
|
||
case DNTT_TYPE_ARRAY:
|
||
return hpread_read_array_type (hp_type, dn_bufp, objfile);
|
||
case DNTT_TYPE_STRUCT:
|
||
case DNTT_TYPE_UNION:
|
||
return hpread_read_struct_type (hp_type, dn_bufp, objfile);
|
||
case DNTT_TYPE_FIELD:
|
||
return hpread_type_lookup (dn_bufp->dfield.type, objfile);
|
||
case DNTT_TYPE_VARIANT:
|
||
case DNTT_TYPE_FILE:
|
||
return lookup_fundamental_type (objfile, FT_VOID);
|
||
case DNTT_TYPE_FUNCTYPE:
|
||
return lookup_function_type (hpread_type_lookup (dn_bufp->dfunctype.retval,
|
||
objfile));
|
||
case DNTT_TYPE_COBSTRUCT:
|
||
case DNTT_TYPE_XREF:
|
||
case DNTT_TYPE_SA:
|
||
case DNTT_TYPE_MACRO:
|
||
default:
|
||
return lookup_fundamental_type (objfile, FT_VOID);
|
||
}
|
||
}
|
||
|
||
static sltpointer
|
||
hpread_record_lines (subfile, s_idx, e_idx, objfile, offset)
|
||
struct subfile *subfile;
|
||
sltpointer s_idx, e_idx;
|
||
struct objfile *objfile;
|
||
CORE_ADDR offset;
|
||
{
|
||
union sltentry *sl_bufp;
|
||
|
||
while (s_idx <= e_idx)
|
||
{
|
||
sl_bufp = hpread_get_slt (s_idx, objfile);
|
||
/* Only record "normal" entries in the SLT. */
|
||
if (sl_bufp->snorm.sltdesc == SLT_NORMAL
|
||
|| sl_bufp->snorm.sltdesc == SLT_EXIT)
|
||
record_line (subfile, sl_bufp->snorm.line,
|
||
sl_bufp->snorm.address + offset);
|
||
s_idx++;
|
||
}
|
||
return e_idx;
|
||
}
|
||
|
||
/* Internalize one native debug symbol. */
|
||
|
||
static void
|
||
hpread_process_one_debug_symbol (dn_bufp, name, section_offsets, objfile,
|
||
text_offset, text_size, filename, index)
|
||
union dnttentry *dn_bufp;
|
||
char *name;
|
||
struct section_offsets *section_offsets;
|
||
struct objfile *objfile;
|
||
CORE_ADDR text_offset;
|
||
int text_size;
|
||
char *filename;
|
||
int index;
|
||
{
|
||
unsigned long desc;
|
||
int type;
|
||
CORE_ADDR valu;
|
||
int offset = ANOFFSET (section_offsets, SECT_OFF_TEXT);
|
||
union dnttentry *dn_temp;
|
||
dnttpointer hp_type;
|
||
struct symbol *sym;
|
||
struct context_stack *new;
|
||
|
||
/* Allocate one GDB debug symbol and fill in some default values. */
|
||
sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
|
||
sizeof (struct symbol));
|
||
memset (sym, 0, sizeof (struct symbol));
|
||
SYMBOL_NAME (sym) = name;
|
||
SYMBOL_LANGUAGE (sym) = language_auto;
|
||
SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
|
||
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
||
SYMBOL_LINE (sym) = 0;
|
||
SYMBOL_VALUE (sym) = 0;
|
||
SYMBOL_CLASS (sym) = LOC_TYPEDEF;
|
||
|
||
hp_type.dnttp.extension = 1;
|
||
hp_type.dnttp.immediate = 0;
|
||
hp_type.dnttp.global = 0;
|
||
hp_type.dnttp.index = index;
|
||
|
||
type = dn_bufp->dblock.kind;
|
||
|
||
switch (type)
|
||
{
|
||
case DNTT_TYPE_SRCFILE:
|
||
/* This type of symbol indicates from which source file or include file
|
||
the following data comes. If there are no modules it also may
|
||
indicate the start of a new source file, in which case we must
|
||
finish the symbol table of the previous source file
|
||
(if any) and start accumulating a new symbol table. */
|
||
|
||
valu = text_offset;
|
||
if (!last_source_file)
|
||
{
|
||
start_symtab (name, NULL, valu);
|
||
SL_INDEX (objfile) = dn_bufp->dsfile.address;
|
||
}
|
||
else
|
||
{
|
||
SL_INDEX (objfile) = hpread_record_lines (current_subfile,
|
||
SL_INDEX (objfile),
|
||
dn_bufp->dsfile.address,
|
||
objfile, offset);
|
||
}
|
||
start_subfile (name, NULL);
|
||
break;
|
||
|
||
case DNTT_TYPE_MODULE:
|
||
/* No need to do anything with these DNTT_TYPE_MODULE symbols anymore. */
|
||
break;
|
||
|
||
case DNTT_TYPE_FUNCTION:
|
||
case DNTT_TYPE_ENTRY:
|
||
/* A function or secondary entry point. */
|
||
valu = dn_bufp->dfunc.lowaddr + offset;
|
||
SL_INDEX (objfile) = hpread_record_lines (current_subfile,
|
||
SL_INDEX (objfile),
|
||
dn_bufp->dfunc.address,
|
||
objfile, offset);
|
||
|
||
WITHIN_FUNCTION (objfile) = 1;
|
||
CURRENT_FUNCTION_VALUE (objfile) = valu;
|
||
|
||
/* Stack must be empty now. */
|
||
if (context_stack_depth != 0)
|
||
complain (&lbrac_unmatched_complaint, (char *) symnum);
|
||
new = push_context (0, valu);
|
||
|
||
SYMBOL_CLASS (sym) = LOC_BLOCK;
|
||
SYMBOL_TYPE (sym) = hpread_read_function_type (hp_type, dn_bufp, objfile);
|
||
if (dn_bufp->dfunc.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
new->name = sym;
|
||
|
||
/* Search forward to the next scope beginning. */
|
||
while (dn_bufp->dblock.kind != DNTT_TYPE_BEGIN)
|
||
{
|
||
dn_bufp = hpread_get_lntt (++index, objfile);
|
||
if (dn_bufp->dblock.extension)
|
||
continue;
|
||
}
|
||
SL_INDEX (objfile) = hpread_record_lines (current_subfile,
|
||
SL_INDEX (objfile),
|
||
dn_bufp->dbegin.address,
|
||
objfile, offset);
|
||
SYMBOL_LINE (sym) = hpread_get_line (dn_bufp->dbegin.address, objfile);
|
||
record_line (current_subfile, SYMBOL_LINE (sym), valu);
|
||
break;
|
||
|
||
case DNTT_TYPE_BEGIN:
|
||
/* Begin a new scope. */
|
||
SL_INDEX (objfile) = hpread_record_lines (current_subfile,
|
||
SL_INDEX (objfile),
|
||
dn_bufp->dbegin.address,
|
||
objfile, offset);
|
||
valu = hpread_get_location (dn_bufp->dbegin.address, objfile);
|
||
valu += offset; /* Relocate for dynamic loading */
|
||
desc = hpread_get_depth (dn_bufp->dbegin.address, objfile);
|
||
new = push_context (desc, valu);
|
||
break;
|
||
|
||
case DNTT_TYPE_END:
|
||
/* End a scope. */
|
||
SL_INDEX (objfile) = hpread_record_lines (current_subfile,
|
||
SL_INDEX (objfile),
|
||
dn_bufp->dend.address + 1,
|
||
objfile, offset);
|
||
switch (dn_bufp->dend.endkind)
|
||
{
|
||
case DNTT_TYPE_MODULE:
|
||
/* Ending a module ends the symbol table for that module. */
|
||
valu = text_offset + text_size + offset;
|
||
(void) end_symtab (valu, 0, 0, objfile, 0);
|
||
break;
|
||
|
||
case DNTT_TYPE_FUNCTION:
|
||
/* Ending a function, well, ends the function's scope. */
|
||
dn_temp = hpread_get_lntt (dn_bufp->dend.beginscope.dnttp.index,
|
||
objfile);
|
||
valu = dn_temp->dfunc.hiaddr + offset;
|
||
new = pop_context ();
|
||
/* Make a block for the local symbols within. */
|
||
finish_block (new->name, &local_symbols, new->old_blocks,
|
||
new->start_addr, valu, objfile);
|
||
WITHIN_FUNCTION (objfile) = 0;
|
||
break;
|
||
case DNTT_TYPE_BEGIN:
|
||
/* Just ending a local scope. */
|
||
valu = hpread_get_location (dn_bufp->dend.address, objfile);
|
||
/* Why in the hell is this needed? */
|
||
valu += offset + 9; /* Relocate for dynamic loading */
|
||
new = pop_context ();
|
||
desc = dn_bufp->dend.beginscope.dnttp.index;
|
||
if (desc != new->depth)
|
||
complain (&lbrac_mismatch_complaint, (char *) symnum);
|
||
/* Make a block for the local symbols within. */
|
||
finish_block (new->name, &local_symbols, new->old_blocks,
|
||
new->start_addr, valu, objfile);
|
||
local_symbols = new->locals;
|
||
break;
|
||
}
|
||
break;
|
||
case DNTT_TYPE_LABEL:
|
||
SYMBOL_NAMESPACE (sym) = LABEL_NAMESPACE;
|
||
break;
|
||
case DNTT_TYPE_FPARAM:
|
||
/* Function parameters. */
|
||
if (dn_bufp->dfparam.regparam)
|
||
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
||
else
|
||
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
||
if (dn_bufp->dfparam.copyparam)
|
||
{
|
||
SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
|
||
#ifdef HPREAD_ADJUST_STACK_ADDRESS
|
||
SYMBOL_VALUE (sym)
|
||
+= HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
|
||
#endif
|
||
}
|
||
else
|
||
SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dfparam.type, objfile);
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
break;
|
||
case DNTT_TYPE_SVAR:
|
||
/* Static variables. */
|
||
SYMBOL_CLASS (sym) = LOC_STATIC;
|
||
SYMBOL_VALUE_ADDRESS (sym) = dn_bufp->dsvar.location;
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dsvar.type, objfile);
|
||
if (dn_bufp->dsvar.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else if (WITHIN_FUNCTION (objfile))
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_DVAR:
|
||
/* Dynamic variables. */
|
||
if (dn_bufp->ddvar.regvar)
|
||
SYMBOL_CLASS (sym) = LOC_REGISTER;
|
||
else
|
||
SYMBOL_CLASS (sym) = LOC_LOCAL;
|
||
SYMBOL_VALUE (sym) = dn_bufp->ddvar.location;
|
||
#ifdef HPREAD_ADJUST_STACK_ADDRESS
|
||
SYMBOL_VALUE (sym)
|
||
+= HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
|
||
#endif
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->ddvar.type, objfile);
|
||
if (dn_bufp->ddvar.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else if (WITHIN_FUNCTION (objfile))
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_CONST:
|
||
/* A constant (pascal?). */
|
||
SYMBOL_CLASS (sym) = LOC_CONST;
|
||
SYMBOL_VALUE (sym) = dn_bufp->dconst.location;
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dconst.type, objfile);
|
||
if (dn_bufp->dconst.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else if (WITHIN_FUNCTION (objfile))
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_TYPEDEF:
|
||
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
|
||
if (dn_bufp->dtype.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else if (WITHIN_FUNCTION (objfile))
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_TAGDEF:
|
||
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
||
SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
|
||
TYPE_NAME (sym->type) = SYMBOL_NAME (sym);
|
||
TYPE_TAG_NAME (sym->type) = SYMBOL_NAME (sym);
|
||
if (dn_bufp->dtype.global)
|
||
add_symbol_to_list (sym, &global_symbols);
|
||
else if (WITHIN_FUNCTION (objfile))
|
||
add_symbol_to_list (sym, &local_symbols);
|
||
else
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_POINTER:
|
||
SYMBOL_TYPE (sym) = lookup_pointer_type (hpread_type_lookup
|
||
(dn_bufp->dptr.pointsto,
|
||
objfile));
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_ENUM:
|
||
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
||
SYMBOL_TYPE (sym) = hpread_read_enum_type (hp_type, dn_bufp, objfile);
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_MEMENUM:
|
||
break;
|
||
case DNTT_TYPE_SET:
|
||
SYMBOL_TYPE (sym) = hpread_read_set_type (hp_type, dn_bufp, objfile);
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_SUBRANGE:
|
||
SYMBOL_TYPE (sym) = hpread_read_subrange_type (hp_type, dn_bufp,
|
||
objfile);
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_ARRAY:
|
||
SYMBOL_TYPE (sym) = hpread_read_array_type (hp_type, dn_bufp, objfile);
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
case DNTT_TYPE_STRUCT:
|
||
case DNTT_TYPE_UNION:
|
||
SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
|
||
SYMBOL_TYPE (sym) = hpread_read_struct_type (hp_type, dn_bufp, objfile);
|
||
add_symbol_to_list (sym, &file_symbols);
|
||
break;
|
||
default:
|
||
break;
|
||
}
|
||
}
|