1622 lines
66 KiB
C
1622 lines
66 KiB
C
// OBSOLETE /* Read os9/os9k symbol tables and convert to internal format, for GDB.
|
||
// OBSOLETE Copyright 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
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||
// OBSOLETE 1996, 1997, 1998, 1999, 2000, 2001
|
||
// OBSOLETE Free Software Foundation, Inc.
|
||
// OBSOLETE
|
||
// OBSOLETE This file is part of GDB.
|
||
// OBSOLETE
|
||
// OBSOLETE This program is free software; you can redistribute it and/or modify
|
||
// OBSOLETE it under the terms of the GNU General Public License as published by
|
||
// OBSOLETE the Free Software Foundation; either version 2 of the License, or
|
||
// OBSOLETE (at your option) any later version.
|
||
// OBSOLETE
|
||
// OBSOLETE This program is distributed in the hope that it will be useful,
|
||
// OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
// OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
// OBSOLETE GNU General Public License for more details.
|
||
// OBSOLETE
|
||
// OBSOLETE You should have received a copy of the GNU General Public License
|
||
// OBSOLETE along with this program; if not, write to the Free Software
|
||
// OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330,
|
||
// OBSOLETE Boston, MA 02111-1307, USA. */
|
||
// OBSOLETE
|
||
// OBSOLETE /* This module provides three functions: os9k_symfile_init,
|
||
// OBSOLETE which initializes to read a symbol file; os9k_new_init, which
|
||
// OBSOLETE discards existing cached information when all symbols are being
|
||
// OBSOLETE discarded; and os9k_symfile_read, which reads a symbol table
|
||
// OBSOLETE from a file.
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||
// OBSOLETE
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||
// OBSOLETE os9k_symfile_read only does the minimum work necessary for letting the
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||
// OBSOLETE user "name" things symbolically; it does not read the entire symtab.
|
||
// OBSOLETE Instead, it reads the external and static symbols and puts them in partial
|
||
// OBSOLETE symbol tables. When more extensive information is requested of a
|
||
// OBSOLETE file, the corresponding partial symbol table is mutated into a full
|
||
// OBSOLETE fledged symbol table by going back and reading the symbols
|
||
// OBSOLETE for real. os9k_psymtab_to_symtab() is the function that does this */
|
||
// OBSOLETE
|
||
// OBSOLETE #include "defs.h"
|
||
// OBSOLETE #include "gdb_string.h"
|
||
// OBSOLETE #include "gdb_assert.h"
|
||
// OBSOLETE #include <stdio.h>
|
||
// OBSOLETE
|
||
// OBSOLETE #if defined(USG) || defined(__CYGNUSCLIB__)
|
||
// OBSOLETE #include <sys/types.h>
|
||
// OBSOLETE #include <fcntl.h>
|
||
// OBSOLETE #endif
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||
// OBSOLETE
|
||
// OBSOLETE #include "obstack.h"
|
||
// OBSOLETE #include "gdb_stat.h"
|
||
// OBSOLETE #include "symtab.h"
|
||
// OBSOLETE #include "breakpoint.h"
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||
// OBSOLETE #include "command.h"
|
||
// OBSOLETE #include "target.h"
|
||
// OBSOLETE #include "gdbcore.h" /* for bfd stuff */
|
||
// OBSOLETE #include "libaout.h" /* FIXME Secret internal BFD stuff for a.out */
|
||
// OBSOLETE #include "symfile.h"
|
||
// OBSOLETE #include "objfiles.h"
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||
// OBSOLETE #include "buildsym.h"
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||
// OBSOLETE #include "gdb-stabs.h"
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||
// OBSOLETE #include "demangle.h"
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||
// OBSOLETE #include "language.h" /* Needed inside partial-stab.h */
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// OBSOLETE #include "complaints.h"
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// OBSOLETE #include "os9k.h"
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||
// OBSOLETE #include "stabsread.h"
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||
// OBSOLETE
|
||
// OBSOLETE extern void _initialize_os9kread (void);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Each partial symbol table entry contains a pointer to private data for the
|
||
// OBSOLETE read_symtab() function to use when expanding a partial symbol table entry
|
||
// OBSOLETE to a full symbol table entry.
|
||
// OBSOLETE
|
||
// OBSOLETE For dbxread this structure contains the offset within the file symbol table
|
||
// OBSOLETE of first local symbol for this file, and count of the section
|
||
// OBSOLETE of the symbol table devoted to this file's symbols (actually, the section
|
||
// OBSOLETE bracketed may contain more than just this file's symbols). It also contains
|
||
// OBSOLETE further information needed to locate the symbols if they are in an ELF file.
|
||
// OBSOLETE
|
||
// OBSOLETE If ldsymcnt is 0, the only reason for this thing's existence is the
|
||
// OBSOLETE dependency list. Nothing else will happen when it is read in. */
|
||
// OBSOLETE
|
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// OBSOLETE #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff)
|
||
// OBSOLETE #define LDSYMCNT(p) (((struct symloc *)((p)->read_symtab_private))->ldsymnum)
|
||
// OBSOLETE
|
||
// OBSOLETE struct symloc
|
||
// OBSOLETE {
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||
// OBSOLETE int ldsymoff;
|
||
// OBSOLETE int ldsymnum;
|
||
// OBSOLETE };
|
||
// OBSOLETE
|
||
// OBSOLETE /* Remember what we deduced to be the source language of this psymtab. */
|
||
// OBSOLETE static enum language psymtab_language = language_unknown;
|
||
// OBSOLETE
|
||
// OBSOLETE /* keep partial symbol table file nested depth */
|
||
// OBSOLETE static int psymfile_depth = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE /* keep symbol table file nested depth */
|
||
// OBSOLETE static int symfile_depth = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE extern int previous_stab_code;
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||
// OBSOLETE
|
||
// OBSOLETE /* Name of last function encountered. Used in Solaris to approximate
|
||
// OBSOLETE object file boundaries. */
|
||
// OBSOLETE static char *last_function_name;
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||
// OBSOLETE
|
||
// OBSOLETE /* Complaints about the symbols we have encountered. */
|
||
// OBSOLETE extern struct complaint lbrac_complaint;
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||
// OBSOLETE
|
||
// OBSOLETE extern struct complaint unknown_symtype_complaint;
|
||
// OBSOLETE
|
||
// OBSOLETE extern struct complaint unknown_symchar_complaint;
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// OBSOLETE
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||
// OBSOLETE extern struct complaint lbrac_rbrac_complaint;
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||
// OBSOLETE
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||
// OBSOLETE extern struct complaint repeated_header_complaint;
|
||
// OBSOLETE
|
||
// OBSOLETE extern struct complaint repeated_header_name_complaint;
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||
// OBSOLETE
|
||
// OBSOLETE #if 0
|
||
// OBSOLETE static struct complaint lbrac_unmatched_complaint =
|
||
// OBSOLETE {"unmatched Increment Block Entry before symtab pos %d", 0, 0};
|
||
// OBSOLETE
|
||
// OBSOLETE static struct complaint lbrac_mismatch_complaint =
|
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// OBSOLETE {"IBE/IDE symbol mismatch at symtab pos %d", 0, 0};
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||
// OBSOLETE #endif
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||
// OBSOLETE
|
||
// OBSOLETE /* Local function prototypes */
|
||
// OBSOLETE
|
||
// OBSOLETE static void read_minimal_symbols (struct objfile *);
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||
// OBSOLETE
|
||
// OBSOLETE static void os9k_read_ofile_symtab (struct partial_symtab *);
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// OBSOLETE
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// OBSOLETE static void os9k_psymtab_to_symtab (struct partial_symtab *);
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||
// OBSOLETE
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||
// OBSOLETE static void os9k_psymtab_to_symtab_1 (struct partial_symtab *);
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// OBSOLETE
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// OBSOLETE static void read_os9k_psymtab (struct objfile *, CORE_ADDR, int);
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// OBSOLETE
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||
// OBSOLETE static int fill_sym (FILE *, bfd *);
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||
// OBSOLETE
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||
// OBSOLETE static void os9k_symfile_init (struct objfile *);
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||
// OBSOLETE
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||
// OBSOLETE static void os9k_new_init (struct objfile *);
|
||
// OBSOLETE
|
||
// OBSOLETE static void os9k_symfile_read (struct objfile *, int);
|
||
// OBSOLETE
|
||
// OBSOLETE static void os9k_symfile_finish (struct objfile *);
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// OBSOLETE
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// OBSOLETE static void os9k_process_one_symbol (int, int, CORE_ADDR, char *,
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// OBSOLETE struct section_offsets *,
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// OBSOLETE struct objfile *);
|
||
// OBSOLETE
|
||
// OBSOLETE static struct partial_symtab *os9k_start_psymtab (struct objfile *, char *,
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||
// OBSOLETE CORE_ADDR, int, int,
|
||
// OBSOLETE struct partial_symbol **,
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||
// OBSOLETE struct partial_symbol **);
|
||
// OBSOLETE
|
||
// OBSOLETE static struct partial_symtab *os9k_end_psymtab (struct partial_symtab *,
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// OBSOLETE char **, int, int, CORE_ADDR,
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||
// OBSOLETE struct partial_symtab **,
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||
// OBSOLETE int);
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||
// OBSOLETE
|
||
// OBSOLETE static void record_minimal_symbol (char *, CORE_ADDR, int, struct objfile *);
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// OBSOLETE
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// OBSOLETE #define HANDLE_RBRAC(val) \
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// OBSOLETE if ((val) > pst->texthigh) pst->texthigh = (val);
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// OBSOLETE
|
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// OBSOLETE #define SWAP_STBHDR(hdrp, abfd) \
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// OBSOLETE { \
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// OBSOLETE (hdrp)->fmtno = bfd_get_16(abfd, (unsigned char *)&(hdrp)->fmtno); \
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// OBSOLETE (hdrp)->crc = bfd_get_32(abfd, (unsigned char *)&(hdrp)->crc); \
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// OBSOLETE (hdrp)->offset = bfd_get_32(abfd, (unsigned char *)&(hdrp)->offset); \
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// OBSOLETE (hdrp)->nsym = bfd_get_32(abfd, (unsigned char *)&(hdrp)->nsym); \
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// OBSOLETE }
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// OBSOLETE #define SWAP_STBSYM(symp, abfd) \
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// OBSOLETE { \
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// OBSOLETE (symp)->value = bfd_get_32(abfd, (unsigned char *)&(symp)->value); \
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// OBSOLETE (symp)->type = bfd_get_16(abfd, (unsigned char *)&(symp)->type); \
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// OBSOLETE (symp)->stroff = bfd_get_32(abfd, (unsigned char *)&(symp)->stroff); \
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// OBSOLETE }
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// OBSOLETE #define N_DATA 0
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// OBSOLETE #define N_BSS 1
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// OBSOLETE #define N_RDATA 2
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// OBSOLETE #define N_IDATA 3
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// OBSOLETE #define N_TEXT 4
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// OBSOLETE #define N_ABS 6
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// OBSOLETE
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// OBSOLETE static void
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// OBSOLETE record_minimal_symbol (char *name, CORE_ADDR address, int type,
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// OBSOLETE struct objfile *objfile)
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// OBSOLETE {
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// OBSOLETE enum minimal_symbol_type ms_type;
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// OBSOLETE
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// OBSOLETE switch (type)
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// OBSOLETE {
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// OBSOLETE case N_TEXT:
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// OBSOLETE ms_type = mst_text;
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// OBSOLETE address += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
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// OBSOLETE break;
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// OBSOLETE case N_DATA:
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// OBSOLETE ms_type = mst_data;
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// OBSOLETE break;
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// OBSOLETE case N_BSS:
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// OBSOLETE ms_type = mst_bss;
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// OBSOLETE break;
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// OBSOLETE case N_RDATA:
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// OBSOLETE ms_type = mst_bss;
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// OBSOLETE break;
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// OBSOLETE case N_IDATA:
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// OBSOLETE ms_type = mst_data;
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// OBSOLETE break;
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// OBSOLETE case N_ABS:
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// OBSOLETE ms_type = mst_abs;
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// OBSOLETE break;
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// OBSOLETE default:
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// OBSOLETE ms_type = mst_unknown;
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// OBSOLETE break;
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// OBSOLETE }
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// OBSOLETE
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// OBSOLETE prim_record_minimal_symbol (name, address, ms_type, objfile);
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// OBSOLETE }
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// OBSOLETE
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// OBSOLETE /* read and process .stb file and store in minimal symbol table */
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// OBSOLETE typedef char mhhdr[80];
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// OBSOLETE struct stbhdr
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// OBSOLETE {
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// OBSOLETE mhhdr comhdr;
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// OBSOLETE char *name;
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// OBSOLETE short fmtno;
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// OBSOLETE int crc;
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// OBSOLETE int offset;
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// OBSOLETE int nsym;
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// OBSOLETE char *pad;
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// OBSOLETE };
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// OBSOLETE struct stbsymbol
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// OBSOLETE {
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// OBSOLETE int value;
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// OBSOLETE short type;
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// OBSOLETE int stroff;
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// OBSOLETE };
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||
// OBSOLETE #define STBSYMSIZE 10
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||
// OBSOLETE
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||
// OBSOLETE static void
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// OBSOLETE read_minimal_symbols (struct objfile *objfile)
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// OBSOLETE {
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// OBSOLETE FILE *fp;
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||
// OBSOLETE bfd *abfd;
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// OBSOLETE struct stbhdr hdr;
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// OBSOLETE struct stbsymbol sym;
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// OBSOLETE int ch, i, j, off;
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// OBSOLETE char buf[64], buf1[128];
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// OBSOLETE
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// OBSOLETE fp = objfile->auxf1;
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||
// OBSOLETE if (fp == NULL)
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// OBSOLETE return;
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||
// OBSOLETE abfd = objfile->obfd;
|
||
// OBSOLETE fread (&hdr.comhdr[0], sizeof (mhhdr), 1, fp);
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// OBSOLETE i = 0;
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||
// OBSOLETE ch = getc (fp);
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// OBSOLETE while (ch != -1)
|
||
// OBSOLETE {
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||
// OBSOLETE buf[i] = (char) ch;
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// OBSOLETE i++;
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||
// OBSOLETE if (ch == 0)
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// OBSOLETE break;
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// OBSOLETE ch = getc (fp);
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// OBSOLETE };
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||
// OBSOLETE if (i % 2)
|
||
// OBSOLETE ch = getc (fp);
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||
// OBSOLETE hdr.name = &buf[0];
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||
// OBSOLETE
|
||
// OBSOLETE fread (&hdr.fmtno, sizeof (hdr.fmtno), 1, fp);
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||
// OBSOLETE fread (&hdr.crc, sizeof (hdr.crc), 1, fp);
|
||
// OBSOLETE fread (&hdr.offset, sizeof (hdr.offset), 1, fp);
|
||
// OBSOLETE fread (&hdr.nsym, sizeof (hdr.nsym), 1, fp);
|
||
// OBSOLETE SWAP_STBHDR (&hdr, abfd);
|
||
// OBSOLETE
|
||
// OBSOLETE /* read symbols */
|
||
// OBSOLETE init_minimal_symbol_collection ();
|
||
// OBSOLETE off = hdr.offset;
|
||
// OBSOLETE for (i = hdr.nsym; i > 0; i--)
|
||
// OBSOLETE {
|
||
// OBSOLETE fseek (fp, (long) off, 0);
|
||
// OBSOLETE fread (&sym.value, sizeof (sym.value), 1, fp);
|
||
// OBSOLETE fread (&sym.type, sizeof (sym.type), 1, fp);
|
||
// OBSOLETE fread (&sym.stroff, sizeof (sym.stroff), 1, fp);
|
||
// OBSOLETE SWAP_STBSYM (&sym, abfd);
|
||
// OBSOLETE fseek (fp, (long) sym.stroff, 0);
|
||
// OBSOLETE j = 0;
|
||
// OBSOLETE ch = getc (fp);
|
||
// OBSOLETE while (ch != -1)
|
||
// OBSOLETE {
|
||
// OBSOLETE buf1[j] = (char) ch;
|
||
// OBSOLETE j++;
|
||
// OBSOLETE if (ch == 0)
|
||
// OBSOLETE break;
|
||
// OBSOLETE ch = getc (fp);
|
||
// OBSOLETE };
|
||
// OBSOLETE record_minimal_symbol (buf1, sym.value, sym.type & 7, objfile);
|
||
// OBSOLETE off += STBSYMSIZE;
|
||
// OBSOLETE };
|
||
// OBSOLETE install_minimal_symbols (objfile);
|
||
// OBSOLETE return;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Scan and build partial symbols for a symbol file.
|
||
// OBSOLETE We have been initialized by a call to os9k_symfile_init, which
|
||
// OBSOLETE put all the relevant info into a "struct os9k_symfile_info",
|
||
// OBSOLETE hung off the objfile structure.
|
||
// OBSOLETE
|
||
// OBSOLETE MAINLINE is true if we are reading the main symbol
|
||
// OBSOLETE table (as opposed to a shared lib or dynamically loaded file). */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_symfile_read (struct objfile *objfile, int mainline)
|
||
// OBSOLETE {
|
||
// OBSOLETE bfd *sym_bfd;
|
||
// OBSOLETE struct cleanup *back_to;
|
||
// OBSOLETE
|
||
// OBSOLETE sym_bfd = objfile->obfd;
|
||
// OBSOLETE /* If we are reinitializing, or if we have never loaded syms yet, init */
|
||
// OBSOLETE if (mainline
|
||
// OBSOLETE || (objfile->global_psymbols.size == 0
|
||
// OBSOLETE && objfile->static_psymbols.size == 0))
|
||
// OBSOLETE init_psymbol_list (objfile, DBX_SYMCOUNT (objfile));
|
||
// OBSOLETE
|
||
// OBSOLETE free_pending_blocks ();
|
||
// OBSOLETE back_to = make_cleanup (really_free_pendings, 0);
|
||
// OBSOLETE
|
||
// OBSOLETE make_cleanup_discard_minimal_symbols ();
|
||
// OBSOLETE read_minimal_symbols (objfile);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Now that the symbol table data of the executable file are all in core,
|
||
// OBSOLETE process them and define symbols accordingly. */
|
||
// OBSOLETE read_os9k_psymtab (objfile,
|
||
// OBSOLETE DBX_TEXT_ADDR (objfile),
|
||
// OBSOLETE DBX_TEXT_SIZE (objfile));
|
||
// OBSOLETE
|
||
// OBSOLETE do_cleanups (back_to);
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Initialize anything that needs initializing when a completely new
|
||
// OBSOLETE symbol file is specified (not just adding some symbols from another
|
||
// OBSOLETE file, e.g. a shared library). */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_new_init (struct objfile *ignore)
|
||
// OBSOLETE {
|
||
// OBSOLETE stabsread_new_init ();
|
||
// OBSOLETE buildsym_new_init ();
|
||
// OBSOLETE psymfile_depth = 0;
|
||
// OBSOLETE /*
|
||
// OBSOLETE init_header_files ();
|
||
// OBSOLETE */
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* os9k_symfile_init ()
|
||
// OBSOLETE It is passed a struct objfile which contains, among other things,
|
||
// OBSOLETE the BFD for the file whose symbols are being read, and a slot for a pointer
|
||
// OBSOLETE to "private data" which we fill with goodies.
|
||
// OBSOLETE
|
||
// OBSOLETE Since BFD doesn't know how to read debug symbols in a format-independent
|
||
// OBSOLETE way (and may never do so...), we have to do it ourselves. We will never
|
||
// OBSOLETE be called unless this is an a.out (or very similar) file.
|
||
// OBSOLETE FIXME, there should be a cleaner peephole into the BFD environment here. */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_symfile_init (struct objfile *objfile)
|
||
// OBSOLETE {
|
||
// OBSOLETE bfd *sym_bfd = objfile->obfd;
|
||
// OBSOLETE char *name = bfd_get_filename (sym_bfd);
|
||
// OBSOLETE char dbgname[512], stbname[512];
|
||
// OBSOLETE FILE *symfile = 0;
|
||
// OBSOLETE FILE *minfile = 0;
|
||
// OBSOLETE asection *text_sect;
|
||
// OBSOLETE
|
||
// OBSOLETE strcpy (dbgname, name);
|
||
// OBSOLETE strcat (dbgname, ".dbg");
|
||
// OBSOLETE strcpy (stbname, name);
|
||
// OBSOLETE strcat (stbname, ".stb");
|
||
// OBSOLETE
|
||
// OBSOLETE if ((symfile = fopen (dbgname, "r")) == NULL)
|
||
// OBSOLETE {
|
||
// OBSOLETE warning ("Symbol file %s not found", dbgname);
|
||
// OBSOLETE }
|
||
// OBSOLETE objfile->auxf2 = symfile;
|
||
// OBSOLETE
|
||
// OBSOLETE if ((minfile = fopen (stbname, "r")) == NULL)
|
||
// OBSOLETE {
|
||
// OBSOLETE warning ("Symbol file %s not found", stbname);
|
||
// OBSOLETE }
|
||
// OBSOLETE objfile->auxf1 = minfile;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Allocate struct to keep track of the symfile */
|
||
// OBSOLETE objfile->sym_stab_info = (struct dbx_symfile_info *)
|
||
// OBSOLETE xmmalloc (objfile->md, sizeof (struct dbx_symfile_info));
|
||
// OBSOLETE DBX_SYMFILE_INFO (objfile)->stab_section_info = NULL;
|
||
// OBSOLETE
|
||
// OBSOLETE text_sect = bfd_get_section_by_name (sym_bfd, ".text");
|
||
// OBSOLETE if (!text_sect)
|
||
// OBSOLETE error ("Can't find .text section in file");
|
||
// OBSOLETE DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect);
|
||
// OBSOLETE DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect);
|
||
// OBSOLETE
|
||
// OBSOLETE DBX_SYMBOL_SIZE (objfile) = 0; /* variable size symbol */
|
||
// OBSOLETE DBX_SYMCOUNT (objfile) = 0; /* used to be bfd_get_symcount(sym_bfd) */
|
||
// OBSOLETE DBX_SYMTAB_OFFSET (objfile) = 0; /* used to be SYMBOL_TABLE_OFFSET */
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Perform any local cleanups required when we are done with a particular
|
||
// OBSOLETE objfile. I.E, we are in the process of discarding all symbol information
|
||
// OBSOLETE for an objfile, freeing up all memory held for it, and unlinking the
|
||
// OBSOLETE objfile struct from the global list of known objfiles. */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_symfile_finish (struct objfile *objfile)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (objfile->sym_stab_info != NULL)
|
||
// OBSOLETE {
|
||
// OBSOLETE xmfree (objfile->md, objfile->sym_stab_info);
|
||
// OBSOLETE }
|
||
// OBSOLETE /*
|
||
// OBSOLETE free_header_files ();
|
||
// OBSOLETE */
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE
|
||
// OBSOLETE struct st_dbghdr
|
||
// OBSOLETE {
|
||
// OBSOLETE int sync;
|
||
// OBSOLETE short rev;
|
||
// OBSOLETE int crc;
|
||
// OBSOLETE short os;
|
||
// OBSOLETE short cpu;
|
||
// OBSOLETE };
|
||
// OBSOLETE #define SYNC (int)0xefbefeca
|
||
// OBSOLETE
|
||
// OBSOLETE #define SWAP_DBGHDR(hdrp, abfd) \
|
||
// OBSOLETE { \
|
||
// OBSOLETE (hdrp)->sync = bfd_get_32(abfd, (unsigned char *)&(hdrp)->sync); \
|
||
// OBSOLETE (hdrp)->rev = bfd_get_16(abfd, (unsigned char *)&(hdrp)->rev); \
|
||
// OBSOLETE (hdrp)->crc = bfd_get_32(abfd, (unsigned char *)&(hdrp)->crc); \
|
||
// OBSOLETE (hdrp)->os = bfd_get_16(abfd, (unsigned char *)&(hdrp)->os); \
|
||
// OBSOLETE (hdrp)->cpu = bfd_get_16(abfd, (unsigned char *)&(hdrp)->cpu); \
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE #define N_SYM_CMPLR 0
|
||
// OBSOLETE #define N_SYM_SLINE 1
|
||
// OBSOLETE #define N_SYM_SYM 2
|
||
// OBSOLETE #define N_SYM_LBRAC 3
|
||
// OBSOLETE #define N_SYM_RBRAC 4
|
||
// OBSOLETE #define N_SYM_SE 5
|
||
// OBSOLETE
|
||
// OBSOLETE struct internal_symstruct
|
||
// OBSOLETE {
|
||
// OBSOLETE short n_type;
|
||
// OBSOLETE short n_desc;
|
||
// OBSOLETE long n_value;
|
||
// OBSOLETE char *n_strx;
|
||
// OBSOLETE };
|
||
// OBSOLETE static struct internal_symstruct symbol;
|
||
// OBSOLETE static struct internal_symstruct *symbuf = &symbol;
|
||
// OBSOLETE static char strbuf[4096];
|
||
// OBSOLETE static struct st_dbghdr dbghdr;
|
||
// OBSOLETE static short cmplrid;
|
||
// OBSOLETE
|
||
// OBSOLETE #define VER_PRE_ULTRAC ((short)4)
|
||
// OBSOLETE #define VER_ULTRAC ((short)5)
|
||
// OBSOLETE
|
||
// OBSOLETE static int
|
||
// OBSOLETE fill_sym (FILE *dbg_file, bfd *abfd)
|
||
// OBSOLETE {
|
||
// OBSOLETE short si, nmask;
|
||
// OBSOLETE long li;
|
||
// OBSOLETE int ii;
|
||
// OBSOLETE char *p;
|
||
// OBSOLETE
|
||
// OBSOLETE int nbytes = fread (&si, sizeof (si), 1, dbg_file);
|
||
// OBSOLETE if (nbytes == 0)
|
||
// OBSOLETE return 0;
|
||
// OBSOLETE if (nbytes < 0)
|
||
// OBSOLETE perror_with_name ("reading .dbg file.");
|
||
// OBSOLETE symbuf->n_desc = 0;
|
||
// OBSOLETE symbuf->n_value = 0;
|
||
// OBSOLETE symbuf->n_strx = NULL;
|
||
// OBSOLETE symbuf->n_type = bfd_get_16 (abfd, (unsigned char *) &si);
|
||
// OBSOLETE symbuf->n_type = 0xf & symbuf->n_type;
|
||
// OBSOLETE switch (symbuf->n_type)
|
||
// OBSOLETE {
|
||
// OBSOLETE case N_SYM_CMPLR:
|
||
// OBSOLETE fread (&si, sizeof (si), 1, dbg_file);
|
||
// OBSOLETE symbuf->n_desc = bfd_get_16 (abfd, (unsigned char *) &si);
|
||
// OBSOLETE cmplrid = symbuf->n_desc & 0xff;
|
||
// OBSOLETE break;
|
||
// OBSOLETE case N_SYM_SLINE:
|
||
// OBSOLETE fread (&li, sizeof (li), 1, dbg_file);
|
||
// OBSOLETE symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);
|
||
// OBSOLETE fread (&li, sizeof (li), 1, dbg_file);
|
||
// OBSOLETE li = bfd_get_32 (abfd, (unsigned char *) &li);
|
||
// OBSOLETE symbuf->n_strx = (char *) (li >> 12);
|
||
// OBSOLETE symbuf->n_desc = li & 0xfff;
|
||
// OBSOLETE break;
|
||
// OBSOLETE case N_SYM_SYM:
|
||
// OBSOLETE fread (&li, sizeof (li), 1, dbg_file);
|
||
// OBSOLETE symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);
|
||
// OBSOLETE si = 0;
|
||
// OBSOLETE do
|
||
// OBSOLETE {
|
||
// OBSOLETE ii = getc (dbg_file);
|
||
// OBSOLETE strbuf[si++] = (char) ii;
|
||
// OBSOLETE }
|
||
// OBSOLETE while (ii != 0 || si % 2 != 0);
|
||
// OBSOLETE symbuf->n_strx = strbuf;
|
||
// OBSOLETE p = (char *) strchr (strbuf, ':');
|
||
// OBSOLETE if (!p)
|
||
// OBSOLETE break;
|
||
// OBSOLETE if ((p[1] == 'F' || p[1] == 'f') && cmplrid == VER_PRE_ULTRAC)
|
||
// OBSOLETE {
|
||
// OBSOLETE fread (&si, sizeof (si), 1, dbg_file);
|
||
// OBSOLETE nmask = bfd_get_16 (abfd, (unsigned char *) &si);
|
||
// OBSOLETE for (ii = 0; ii < nmask; ii++)
|
||
// OBSOLETE fread (&si, sizeof (si), 1, dbg_file);
|
||
// OBSOLETE }
|
||
// OBSOLETE break;
|
||
// OBSOLETE case N_SYM_LBRAC:
|
||
// OBSOLETE fread (&li, sizeof (li), 1, dbg_file);
|
||
// OBSOLETE symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);
|
||
// OBSOLETE break;
|
||
// OBSOLETE case N_SYM_RBRAC:
|
||
// OBSOLETE fread (&li, sizeof (li), 1, dbg_file);
|
||
// OBSOLETE symbuf->n_value = bfd_get_32 (abfd, (unsigned char *) &li);
|
||
// OBSOLETE break;
|
||
// OBSOLETE case N_SYM_SE:
|
||
// OBSOLETE break;
|
||
// OBSOLETE }
|
||
// OBSOLETE return 1;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Given pointers to an a.out symbol table in core containing dbx
|
||
// OBSOLETE style data, setup partial_symtab's describing each source file for
|
||
// OBSOLETE which debugging information is available.
|
||
// OBSOLETE SYMFILE_NAME is the name of the file we are reading from. */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE read_os9k_psymtab (struct objfile *objfile, CORE_ADDR text_addr, int text_size)
|
||
// OBSOLETE {
|
||
// OBSOLETE register struct internal_symstruct *bufp = 0; /* =0 avoids gcc -Wall glitch */
|
||
// OBSOLETE register char *namestring;
|
||
// OBSOLETE int past_first_source_file = 0;
|
||
// OBSOLETE CORE_ADDR last_o_file_start = 0;
|
||
// OBSOLETE #if 0
|
||
// OBSOLETE struct cleanup *back_to;
|
||
// OBSOLETE #endif
|
||
// OBSOLETE bfd *abfd;
|
||
// OBSOLETE FILE *fp;
|
||
// OBSOLETE
|
||
// OBSOLETE /* End of the text segment of the executable file. */
|
||
// OBSOLETE static CORE_ADDR end_of_text_addr;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Current partial symtab */
|
||
// OBSOLETE static struct partial_symtab *pst = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE /* List of current psymtab's include files */
|
||
// OBSOLETE char **psymtab_include_list;
|
||
// OBSOLETE int includes_allocated;
|
||
// OBSOLETE int includes_used;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Index within current psymtab dependency list */
|
||
// OBSOLETE struct partial_symtab **dependency_list;
|
||
// OBSOLETE int dependencies_used, dependencies_allocated;
|
||
// OBSOLETE
|
||
// OBSOLETE includes_allocated = 30;
|
||
// OBSOLETE includes_used = 0;
|
||
// OBSOLETE psymtab_include_list = (char **) alloca (includes_allocated *
|
||
// OBSOLETE sizeof (char *));
|
||
// OBSOLETE
|
||
// OBSOLETE dependencies_allocated = 30;
|
||
// OBSOLETE dependencies_used = 0;
|
||
// OBSOLETE dependency_list =
|
||
// OBSOLETE (struct partial_symtab **) alloca (dependencies_allocated *
|
||
// OBSOLETE sizeof (struct partial_symtab *));
|
||
// OBSOLETE
|
||
// OBSOLETE last_source_file = NULL;
|
||
// OBSOLETE
|
||
// OBSOLETE #ifdef END_OF_TEXT_DEFAULT
|
||
// OBSOLETE end_of_text_addr = END_OF_TEXT_DEFAULT;
|
||
// OBSOLETE #else
|
||
// OBSOLETE end_of_text_addr = text_addr + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))
|
||
// OBSOLETE + text_size; /* Relocate */
|
||
// OBSOLETE #endif
|
||
// OBSOLETE
|
||
// OBSOLETE abfd = objfile->obfd;
|
||
// OBSOLETE fp = objfile->auxf2;
|
||
// OBSOLETE if (!fp)
|
||
// OBSOLETE return;
|
||
// OBSOLETE
|
||
// OBSOLETE fread (&dbghdr.sync, sizeof (dbghdr.sync), 1, fp);
|
||
// OBSOLETE fread (&dbghdr.rev, sizeof (dbghdr.rev), 1, fp);
|
||
// OBSOLETE fread (&dbghdr.crc, sizeof (dbghdr.crc), 1, fp);
|
||
// OBSOLETE fread (&dbghdr.os, sizeof (dbghdr.os), 1, fp);
|
||
// OBSOLETE fread (&dbghdr.cpu, sizeof (dbghdr.cpu), 1, fp);
|
||
// OBSOLETE SWAP_DBGHDR (&dbghdr, abfd);
|
||
// OBSOLETE
|
||
// OBSOLETE symnum = 0;
|
||
// OBSOLETE while (1)
|
||
// OBSOLETE {
|
||
// OBSOLETE int ret;
|
||
// OBSOLETE long cursymoffset;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Get the symbol for this run and pull out some info */
|
||
// OBSOLETE QUIT; /* allow this to be interruptable */
|
||
// OBSOLETE cursymoffset = ftell (objfile->auxf2);
|
||
// OBSOLETE ret = fill_sym (objfile->auxf2, abfd);
|
||
// OBSOLETE if (ret <= 0)
|
||
// OBSOLETE break;
|
||
// OBSOLETE else
|
||
// OBSOLETE symnum++;
|
||
// OBSOLETE bufp = symbuf;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Special case to speed up readin. */
|
||
// OBSOLETE if (bufp->n_type == (short) N_SYM_SLINE)
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE #define CUR_SYMBOL_VALUE bufp->n_value
|
||
// OBSOLETE /* partial-stab.h */
|
||
// OBSOLETE
|
||
// OBSOLETE switch (bufp->n_type)
|
||
// OBSOLETE {
|
||
// OBSOLETE char *p;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_CMPLR:
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_SE:
|
||
// OBSOLETE CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE if (psymfile_depth == 1 && pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE os9k_end_psymtab (pst, psymtab_include_list, includes_used,
|
||
// OBSOLETE symnum, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE dependency_list, dependencies_used);
|
||
// OBSOLETE pst = (struct partial_symtab *) 0;
|
||
// OBSOLETE includes_used = 0;
|
||
// OBSOLETE dependencies_used = 0;
|
||
// OBSOLETE }
|
||
// OBSOLETE psymfile_depth--;
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_SYM: /* Typedef or automatic variable. */
|
||
// OBSOLETE namestring = bufp->n_strx;
|
||
// OBSOLETE p = (char *) strchr (namestring, ':');
|
||
// OBSOLETE if (!p)
|
||
// OBSOLETE continue; /* Not a debugging symbol. */
|
||
// OBSOLETE
|
||
// OBSOLETE /* Main processing section for debugging symbols which
|
||
// OBSOLETE the initial read through the symbol tables needs to worry
|
||
// OBSOLETE about. If we reach this point, the symbol which we are
|
||
// OBSOLETE considering is definitely one we are interested in.
|
||
// OBSOLETE p must also contain the (valid) index into the namestring
|
||
// OBSOLETE which indicates the debugging type symbol. */
|
||
// OBSOLETE
|
||
// OBSOLETE switch (p[1])
|
||
// OBSOLETE {
|
||
// OBSOLETE case 'S':
|
||
// OBSOLETE {
|
||
// OBSOLETE unsigned long valu;
|
||
// OBSOLETE enum language tmp_language;
|
||
// OBSOLETE char *str, *p;
|
||
// OBSOLETE int n;
|
||
// OBSOLETE
|
||
// OBSOLETE valu = CUR_SYMBOL_VALUE;
|
||
// OBSOLETE if (valu)
|
||
// OBSOLETE valu += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE past_first_source_file = 1;
|
||
// OBSOLETE
|
||
// OBSOLETE p = strchr (namestring, ':');
|
||
// OBSOLETE if (p)
|
||
// OBSOLETE n = p - namestring;
|
||
// OBSOLETE else
|
||
// OBSOLETE n = strlen (namestring);
|
||
// OBSOLETE str = alloca (n + 1);
|
||
// OBSOLETE strncpy (str, namestring, n);
|
||
// OBSOLETE str[n] = '\0';
|
||
// OBSOLETE
|
||
// OBSOLETE if (psymfile_depth == 0)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (!pst)
|
||
// OBSOLETE pst = os9k_start_psymtab (objfile,
|
||
// OBSOLETE str, valu,
|
||
// OBSOLETE cursymoffset,
|
||
// OBSOLETE symnum - 1,
|
||
// OBSOLETE objfile->global_psymbols.next,
|
||
// OBSOLETE objfile->static_psymbols.next);
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE { /* this is a include file */
|
||
// OBSOLETE tmp_language = deduce_language_from_filename (str);
|
||
// OBSOLETE if (tmp_language != language_unknown
|
||
// OBSOLETE && (tmp_language != language_c
|
||
// OBSOLETE || psymtab_language != language_cplus))
|
||
// OBSOLETE psymtab_language = tmp_language;
|
||
// OBSOLETE
|
||
// OBSOLETE /*
|
||
// OBSOLETE if (pst && STREQ (str, pst->filename))
|
||
// OBSOLETE continue;
|
||
// OBSOLETE {
|
||
// OBSOLETE register int i;
|
||
// OBSOLETE for (i = 0; i < includes_used; i++)
|
||
// OBSOLETE if (STREQ (str, psymtab_include_list[i]))
|
||
// OBSOLETE {
|
||
// OBSOLETE i = -1;
|
||
// OBSOLETE break;
|
||
// OBSOLETE }
|
||
// OBSOLETE if (i == -1)
|
||
// OBSOLETE continue;
|
||
// OBSOLETE }
|
||
// OBSOLETE */
|
||
// OBSOLETE
|
||
// OBSOLETE psymtab_include_list[includes_used++] = str;
|
||
// OBSOLETE if (includes_used >= includes_allocated)
|
||
// OBSOLETE {
|
||
// OBSOLETE char **orig = psymtab_include_list;
|
||
// OBSOLETE
|
||
// OBSOLETE psymtab_include_list = (char **)
|
||
// OBSOLETE alloca ((includes_allocated *= 2) * sizeof (char *));
|
||
// OBSOLETE memcpy ((PTR) psymtab_include_list, (PTR) orig,
|
||
// OBSOLETE includes_used * sizeof (char *));
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE }
|
||
// OBSOLETE psymfile_depth++;
|
||
// OBSOLETE continue;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE case 'v':
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_STATIC,
|
||
// OBSOLETE &objfile->static_psymbols,
|
||
// OBSOLETE 0, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE psymtab_language, objfile);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE case 'V':
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_STATIC,
|
||
// OBSOLETE &objfile->global_psymbols,
|
||
// OBSOLETE 0, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE psymtab_language, objfile);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'T':
|
||
// OBSOLETE if (p != namestring) /* a name is there, not just :T... */
|
||
// OBSOLETE {
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE STRUCT_NAMESPACE, LOC_TYPEDEF,
|
||
// OBSOLETE &objfile->static_psymbols,
|
||
// OBSOLETE CUR_SYMBOL_VALUE, 0,
|
||
// OBSOLETE psymtab_language, objfile);
|
||
// OBSOLETE if (p[2] == 't')
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Also a typedef with the same name. */
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_TYPEDEF,
|
||
// OBSOLETE &objfile->static_psymbols,
|
||
// OBSOLETE CUR_SYMBOL_VALUE, 0, psymtab_language,
|
||
// OBSOLETE objfile);
|
||
// OBSOLETE p += 1;
|
||
// OBSOLETE }
|
||
// OBSOLETE /* The semantics of C++ state that "struct foo { ... }"
|
||
// OBSOLETE also defines a typedef for "foo". Unfortuantely, cfront
|
||
// OBSOLETE never makes the typedef when translating from C++ to C.
|
||
// OBSOLETE We make the typedef here so that "ptype foo" works as
|
||
// OBSOLETE expected for cfront translated code. */
|
||
// OBSOLETE else if (psymtab_language == language_cplus)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Also a typedef with the same name. */
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_TYPEDEF,
|
||
// OBSOLETE &objfile->static_psymbols,
|
||
// OBSOLETE CUR_SYMBOL_VALUE, 0, psymtab_language,
|
||
// OBSOLETE objfile);
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE goto check_enum;
|
||
// OBSOLETE case 't':
|
||
// OBSOLETE if (p != namestring) /* a name is there, not just :T... */
|
||
// OBSOLETE {
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_TYPEDEF,
|
||
// OBSOLETE &objfile->static_psymbols,
|
||
// OBSOLETE CUR_SYMBOL_VALUE, 0,
|
||
// OBSOLETE psymtab_language, objfile);
|
||
// OBSOLETE }
|
||
// OBSOLETE check_enum:
|
||
// OBSOLETE /* If this is an enumerated type, we need to
|
||
// OBSOLETE add all the enum constants to the partial symbol
|
||
// OBSOLETE table. This does not cover enums without names, e.g.
|
||
// OBSOLETE "enum {a, b} c;" in C, but fortunately those are
|
||
// OBSOLETE rare. There is no way for GDB to find those from the
|
||
// OBSOLETE enum type without spending too much time on it. Thus
|
||
// OBSOLETE to solve this problem, the compiler needs to put out the
|
||
// OBSOLETE enum in a nameless type. GCC2 does this. */
|
||
// OBSOLETE
|
||
// OBSOLETE /* We are looking for something of the form
|
||
// OBSOLETE <name> ":" ("t" | "T") [<number> "="] "e" <size>
|
||
// OBSOLETE {<constant> ":" <value> ","} ";". */
|
||
// OBSOLETE
|
||
// OBSOLETE /* Skip over the colon and the 't' or 'T'. */
|
||
// OBSOLETE p += 2;
|
||
// OBSOLETE /* This type may be given a number. Also, numbers can come
|
||
// OBSOLETE in pairs like (0,26). Skip over it. */
|
||
// OBSOLETE while ((*p >= '0' && *p <= '9')
|
||
// OBSOLETE || *p == '(' || *p == ',' || *p == ')'
|
||
// OBSOLETE || *p == '=')
|
||
// OBSOLETE p++;
|
||
// OBSOLETE
|
||
// OBSOLETE if (*p++ == 'e')
|
||
// OBSOLETE {
|
||
// OBSOLETE /* We have found an enumerated type. skip size */
|
||
// OBSOLETE while (*p >= '0' && *p <= '9')
|
||
// OBSOLETE p++;
|
||
// OBSOLETE /* According to comments in read_enum_type
|
||
// OBSOLETE a comma could end it instead of a semicolon.
|
||
// OBSOLETE I don't know where that happens.
|
||
// OBSOLETE Accept either. */
|
||
// OBSOLETE while (*p && *p != ';' && *p != ',')
|
||
// OBSOLETE {
|
||
// OBSOLETE char *q;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Check for and handle cretinous dbx symbol name
|
||
// OBSOLETE continuation!
|
||
// OBSOLETE if (*p == '\\')
|
||
// OBSOLETE p = next_symbol_text (objfile);
|
||
// OBSOLETE */
|
||
// OBSOLETE
|
||
// OBSOLETE /* Point to the character after the name
|
||
// OBSOLETE of the enum constant. */
|
||
// OBSOLETE for (q = p; *q && *q != ':'; q++)
|
||
// OBSOLETE ;
|
||
// OBSOLETE /* Note that the value doesn't matter for
|
||
// OBSOLETE enum constants in psymtabs, just in symtabs. */
|
||
// OBSOLETE add_psymbol_to_list (p, q - p,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_CONST,
|
||
// OBSOLETE &objfile->static_psymbols, 0,
|
||
// OBSOLETE 0, psymtab_language, objfile);
|
||
// OBSOLETE /* Point past the name. */
|
||
// OBSOLETE p = q;
|
||
// OBSOLETE /* Skip over the value. */
|
||
// OBSOLETE while (*p && *p != ',')
|
||
// OBSOLETE p++;
|
||
// OBSOLETE /* Advance past the comma. */
|
||
// OBSOLETE if (*p)
|
||
// OBSOLETE p++;
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE continue;
|
||
// OBSOLETE case 'c':
|
||
// OBSOLETE /* Constant, e.g. from "const" in Pascal. */
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_CONST,
|
||
// OBSOLETE &objfile->static_psymbols, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE 0, psymtab_language, objfile);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'f':
|
||
// OBSOLETE CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE if (pst && pst->textlow == 0)
|
||
// OBSOLETE pst->textlow = CUR_SYMBOL_VALUE;
|
||
// OBSOLETE
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_BLOCK,
|
||
// OBSOLETE &objfile->static_psymbols, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE 0, psymtab_language, objfile);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'F':
|
||
// OBSOLETE CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE if (pst && pst->textlow == 0)
|
||
// OBSOLETE pst->textlow = CUR_SYMBOL_VALUE;
|
||
// OBSOLETE
|
||
// OBSOLETE add_psymbol_to_list (namestring, p - namestring,
|
||
// OBSOLETE VAR_NAMESPACE, LOC_BLOCK,
|
||
// OBSOLETE &objfile->global_psymbols, CUR_SYMBOL_VALUE,
|
||
// OBSOLETE 0, psymtab_language, objfile);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'p':
|
||
// OBSOLETE case 'l':
|
||
// OBSOLETE case 's':
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE case ':':
|
||
// OBSOLETE /* It is a C++ nested symbol. We don't need to record it
|
||
// OBSOLETE (I don't think); if we try to look up foo::bar::baz,
|
||
// OBSOLETE then symbols for the symtab containing foo should get
|
||
// OBSOLETE read in, I think. */
|
||
// OBSOLETE /* Someone says sun cc puts out symbols like
|
||
// OBSOLETE /foo/baz/maclib::/usr/local/bin/maclib,
|
||
// OBSOLETE which would get here with a symbol type of ':'. */
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE default:
|
||
// OBSOLETE /* Unexpected symbol descriptor. The second and subsequent stabs
|
||
// OBSOLETE of a continued stab can show up here. The question is
|
||
// OBSOLETE whether they ever can mimic a normal stab--it would be
|
||
// OBSOLETE nice if not, since we certainly don't want to spend the
|
||
// OBSOLETE time searching to the end of every string looking for
|
||
// OBSOLETE a backslash. */
|
||
// OBSOLETE
|
||
// OBSOLETE complain (&unknown_symchar_complaint, p[1]);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_RBRAC:
|
||
// OBSOLETE CUR_SYMBOL_VALUE += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE #ifdef HANDLE_RBRAC
|
||
// OBSOLETE HANDLE_RBRAC (CUR_SYMBOL_VALUE);
|
||
// OBSOLETE continue;
|
||
// OBSOLETE #endif
|
||
// OBSOLETE case N_SYM_LBRAC:
|
||
// OBSOLETE continue;
|
||
// OBSOLETE
|
||
// OBSOLETE default:
|
||
// OBSOLETE /* If we haven't found it yet, ignore it. It's probably some
|
||
// OBSOLETE new type we don't know about yet. */
|
||
// OBSOLETE complain (&unknown_symtype_complaint,
|
||
// OBSOLETE local_hex_string ((unsigned long) bufp->n_type));
|
||
// OBSOLETE continue;
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE DBX_SYMCOUNT (objfile) = symnum;
|
||
// OBSOLETE
|
||
// OBSOLETE /* If there's stuff to be cleaned up, clean it up. */
|
||
// OBSOLETE if (DBX_SYMCOUNT (objfile) > 0
|
||
// OBSOLETE /*FIXME, does this have a bug at start address 0? */
|
||
// OBSOLETE && last_o_file_start
|
||
// OBSOLETE && objfile->ei.entry_point < bufp->n_value
|
||
// OBSOLETE && objfile->ei.entry_point >= last_o_file_start)
|
||
// OBSOLETE {
|
||
// OBSOLETE objfile->ei.entry_file_lowpc = last_o_file_start;
|
||
// OBSOLETE objfile->ei.entry_file_highpc = bufp->n_value;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE if (pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE os9k_end_psymtab (pst, psymtab_include_list, includes_used,
|
||
// OBSOLETE symnum, end_of_text_addr,
|
||
// OBSOLETE dependency_list, dependencies_used);
|
||
// OBSOLETE }
|
||
// OBSOLETE /*
|
||
// OBSOLETE do_cleanups (back_to);
|
||
// OBSOLETE */
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Allocate and partially fill a partial symtab. It will be
|
||
// OBSOLETE completely filled at the end of the symbol list.
|
||
// OBSOLETE
|
||
// OBSOLETE SYMFILE_NAME is the name of the symbol-file we are reading from, and ADDR
|
||
// OBSOLETE is the address relative to which its symbols are (incremental) or 0
|
||
// OBSOLETE (normal). */
|
||
// OBSOLETE
|
||
// OBSOLETE
|
||
// OBSOLETE static struct partial_symtab *
|
||
// OBSOLETE os9k_start_psymtab (struct objfile *objfile, char *filename, CORE_ADDR textlow,
|
||
// OBSOLETE int ldsymoff, int ldsymcnt,
|
||
// OBSOLETE struct partial_symbol **global_syms,
|
||
// OBSOLETE struct partial_symbol **static_syms)
|
||
// OBSOLETE {
|
||
// OBSOLETE struct partial_symtab *result =
|
||
// OBSOLETE start_psymtab_common (objfile, objfile->section_offsets,
|
||
// OBSOLETE filename, textlow, global_syms, static_syms);
|
||
// OBSOLETE
|
||
// OBSOLETE result->read_symtab_private = (char *)
|
||
// OBSOLETE obstack_alloc (&objfile->psymbol_obstack, sizeof (struct symloc));
|
||
// OBSOLETE
|
||
// OBSOLETE LDSYMOFF (result) = ldsymoff;
|
||
// OBSOLETE LDSYMCNT (result) = ldsymcnt;
|
||
// OBSOLETE result->read_symtab = os9k_psymtab_to_symtab;
|
||
// OBSOLETE
|
||
// OBSOLETE /* Deduce the source language from the filename for this psymtab. */
|
||
// OBSOLETE psymtab_language = deduce_language_from_filename (filename);
|
||
// OBSOLETE return result;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Close off the current usage of PST.
|
||
// OBSOLETE Returns PST or NULL if the partial symtab was empty and thrown away.
|
||
// OBSOLETE FIXME: List variables and peculiarities of same. */
|
||
// OBSOLETE
|
||
// OBSOLETE static struct partial_symtab *
|
||
// OBSOLETE os9k_end_psymtab (struct partial_symtab *pst, char **include_list,
|
||
// OBSOLETE int num_includes, int capping_symbol_cnt,
|
||
// OBSOLETE CORE_ADDR capping_text,
|
||
// OBSOLETE struct partial_symtab **dependency_list,
|
||
// OBSOLETE int number_dependencies)
|
||
// OBSOLETE {
|
||
// OBSOLETE int i;
|
||
// OBSOLETE struct partial_symtab *p1;
|
||
// OBSOLETE struct objfile *objfile = pst->objfile;
|
||
// OBSOLETE
|
||
// OBSOLETE if (capping_symbol_cnt != -1)
|
||
// OBSOLETE LDSYMCNT (pst) = capping_symbol_cnt - LDSYMCNT (pst);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Under Solaris, the N_SO symbols always have a value of 0,
|
||
// OBSOLETE instead of the usual address of the .o file. Therefore,
|
||
// OBSOLETE we have to do some tricks to fill in texthigh and textlow.
|
||
// OBSOLETE The first trick is in partial-stab.h: if we see a static
|
||
// OBSOLETE or global function, and the textlow for the current pst
|
||
// OBSOLETE is still 0, then we use that function's address for
|
||
// OBSOLETE the textlow of the pst.
|
||
// OBSOLETE
|
||
// OBSOLETE Now, to fill in texthigh, we remember the last function seen
|
||
// OBSOLETE in the .o file (also in partial-stab.h). Also, there's a hack in
|
||
// OBSOLETE bfd/elf.c and gdb/elfread.c to pass the ELF st_size field
|
||
// OBSOLETE to here via the misc_info field. Therefore, we can fill in
|
||
// OBSOLETE a reliable texthigh by taking the address plus size of the
|
||
// OBSOLETE last function in the file.
|
||
// OBSOLETE
|
||
// OBSOLETE Unfortunately, that does not cover the case where the last function
|
||
// OBSOLETE in the file is static. See the paragraph below for more comments
|
||
// OBSOLETE on this situation.
|
||
// OBSOLETE
|
||
// OBSOLETE Finally, if we have a valid textlow for the current file, we run
|
||
// OBSOLETE down the partial_symtab_list filling in previous texthighs that
|
||
// OBSOLETE are still unknown. */
|
||
// OBSOLETE
|
||
// OBSOLETE if (pst->texthigh == 0 && last_function_name)
|
||
// OBSOLETE {
|
||
// OBSOLETE char *p;
|
||
// OBSOLETE int n;
|
||
// OBSOLETE struct minimal_symbol *minsym;
|
||
// OBSOLETE
|
||
// OBSOLETE p = strchr (last_function_name, ':');
|
||
// OBSOLETE if (p == NULL)
|
||
// OBSOLETE p = last_function_name;
|
||
// OBSOLETE n = p - last_function_name;
|
||
// OBSOLETE p = alloca (n + 1);
|
||
// OBSOLETE strncpy (p, last_function_name, n);
|
||
// OBSOLETE p[n] = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE minsym = lookup_minimal_symbol (p, NULL, objfile);
|
||
// OBSOLETE
|
||
// OBSOLETE if (minsym)
|
||
// OBSOLETE {
|
||
// OBSOLETE pst->texthigh = SYMBOL_VALUE_ADDRESS (minsym) + (long) MSYMBOL_INFO (minsym);
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE /* This file ends with a static function, and it's
|
||
// OBSOLETE difficult to imagine how hard it would be to track down
|
||
// OBSOLETE the elf symbol. Luckily, most of the time no one will notice,
|
||
// OBSOLETE since the next file will likely be compiled with -g, so
|
||
// OBSOLETE the code below will copy the first fuction's start address
|
||
// OBSOLETE back to our texthigh variable. (Also, if this file is the
|
||
// OBSOLETE last one in a dynamically linked program, texthigh already
|
||
// OBSOLETE has the right value.) If the next file isn't compiled
|
||
// OBSOLETE with -g, then the last function in this file winds up owning
|
||
// OBSOLETE all of the text space up to the next -g file, or the end (minus
|
||
// OBSOLETE shared libraries). This only matters for single stepping,
|
||
// OBSOLETE and even then it will still work, except that it will single
|
||
// OBSOLETE step through all of the covered functions, instead of setting
|
||
// OBSOLETE breakpoints around them as it usualy does. This makes it
|
||
// OBSOLETE pretty slow, but at least it doesn't fail.
|
||
// OBSOLETE
|
||
// OBSOLETE We can fix this with a fairly big change to bfd, but we need
|
||
// OBSOLETE to coordinate better with Cygnus if we want to do that. FIXME. */
|
||
// OBSOLETE }
|
||
// OBSOLETE last_function_name = NULL;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* this test will be true if the last .o file is only data */
|
||
// OBSOLETE if (pst->textlow == 0)
|
||
// OBSOLETE pst->textlow = pst->texthigh;
|
||
// OBSOLETE
|
||
// OBSOLETE /* If we know our own starting text address, then walk through all other
|
||
// OBSOLETE psymtabs for this objfile, and if any didn't know their ending text
|
||
// OBSOLETE address, set it to our starting address. Take care to not set our
|
||
// OBSOLETE own ending address to our starting address, nor to set addresses on
|
||
// OBSOLETE `dependency' files that have both textlow and texthigh zero. */
|
||
// OBSOLETE if (pst->textlow)
|
||
// OBSOLETE {
|
||
// OBSOLETE ALL_OBJFILE_PSYMTABS (objfile, p1)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (p1->texthigh == 0 && p1->textlow != 0 && p1 != pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE p1->texthigh = pst->textlow;
|
||
// OBSOLETE /* if this file has only data, then make textlow match texthigh */
|
||
// OBSOLETE if (p1->textlow == 0)
|
||
// OBSOLETE p1->textlow = p1->texthigh;
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* End of kludge for patching Solaris textlow and texthigh. */
|
||
// OBSOLETE
|
||
// OBSOLETE pst->n_global_syms =
|
||
// OBSOLETE objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
|
||
// OBSOLETE pst->n_static_syms =
|
||
// OBSOLETE objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset);
|
||
// OBSOLETE
|
||
// OBSOLETE pst->number_of_dependencies = number_dependencies;
|
||
// OBSOLETE if (number_dependencies)
|
||
// OBSOLETE {
|
||
// OBSOLETE pst->dependencies = (struct partial_symtab **)
|
||
// OBSOLETE obstack_alloc (&objfile->psymbol_obstack,
|
||
// OBSOLETE number_dependencies * sizeof (struct partial_symtab *));
|
||
// OBSOLETE memcpy (pst->dependencies, dependency_list,
|
||
// OBSOLETE number_dependencies * sizeof (struct partial_symtab *));
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE pst->dependencies = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE for (i = 0; i < num_includes; i++)
|
||
// OBSOLETE {
|
||
// OBSOLETE struct partial_symtab *subpst =
|
||
// OBSOLETE allocate_psymtab (include_list[i], objfile);
|
||
// OBSOLETE
|
||
// OBSOLETE subpst->section_offsets = pst->section_offsets;
|
||
// OBSOLETE subpst->read_symtab_private =
|
||
// OBSOLETE (char *) obstack_alloc (&objfile->psymbol_obstack,
|
||
// OBSOLETE sizeof (struct symloc));
|
||
// OBSOLETE LDSYMOFF (subpst) =
|
||
// OBSOLETE LDSYMCNT (subpst) =
|
||
// OBSOLETE subpst->textlow =
|
||
// OBSOLETE subpst->texthigh = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE /* We could save slight bits of space by only making one of these,
|
||
// OBSOLETE shared by the entire set of include files. FIXME-someday. */
|
||
// OBSOLETE subpst->dependencies = (struct partial_symtab **)
|
||
// OBSOLETE obstack_alloc (&objfile->psymbol_obstack,
|
||
// OBSOLETE sizeof (struct partial_symtab *));
|
||
// OBSOLETE subpst->dependencies[0] = pst;
|
||
// OBSOLETE subpst->number_of_dependencies = 1;
|
||
// OBSOLETE
|
||
// OBSOLETE subpst->globals_offset =
|
||
// OBSOLETE subpst->n_global_syms =
|
||
// OBSOLETE subpst->statics_offset =
|
||
// OBSOLETE subpst->n_static_syms = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE subpst->readin = 0;
|
||
// OBSOLETE subpst->symtab = 0;
|
||
// OBSOLETE subpst->read_symtab = pst->read_symtab;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE sort_pst_symbols (pst);
|
||
// OBSOLETE
|
||
// OBSOLETE /* If there is already a psymtab or symtab for a file of this name,
|
||
// OBSOLETE remove it.
|
||
// OBSOLETE (If there is a symtab, more drastic things also happen.)
|
||
// OBSOLETE This happens in VxWorks. */
|
||
// OBSOLETE free_named_symtabs (pst->filename);
|
||
// OBSOLETE
|
||
// OBSOLETE if (num_includes == 0
|
||
// OBSOLETE && number_dependencies == 0
|
||
// OBSOLETE && pst->n_global_syms == 0
|
||
// OBSOLETE && pst->n_static_syms == 0)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Throw away this psymtab, it's empty. We can't deallocate it, since
|
||
// OBSOLETE it is on the obstack, but we can forget to chain it on the list. */
|
||
// OBSOLETE /* Indicate that psymtab was thrown away. */
|
||
// OBSOLETE
|
||
// OBSOLETE discard_psymtab (pst);
|
||
// OBSOLETE
|
||
// OBSOLETE pst = (struct partial_symtab *) NULL;
|
||
// OBSOLETE }
|
||
// OBSOLETE return pst;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_psymtab_to_symtab_1 (struct partial_symtab *pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE struct cleanup *old_chain;
|
||
// OBSOLETE int i;
|
||
// OBSOLETE
|
||
// OBSOLETE if (!pst)
|
||
// OBSOLETE return;
|
||
// OBSOLETE
|
||
// OBSOLETE if (pst->readin)
|
||
// OBSOLETE {
|
||
// OBSOLETE fprintf_unfiltered (gdb_stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
|
||
// OBSOLETE pst->filename);
|
||
// OBSOLETE return;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Read in all partial symtabs on which this one is dependent */
|
||
// OBSOLETE for (i = 0; i < pst->number_of_dependencies; i++)
|
||
// OBSOLETE if (!pst->dependencies[i]->readin)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Inform about additional files that need to be read in. */
|
||
// OBSOLETE if (info_verbose)
|
||
// OBSOLETE {
|
||
// OBSOLETE fputs_filtered (" ", gdb_stdout);
|
||
// OBSOLETE wrap_here ("");
|
||
// OBSOLETE fputs_filtered ("and ", gdb_stdout);
|
||
// OBSOLETE wrap_here ("");
|
||
// OBSOLETE printf_filtered ("%s...", pst->dependencies[i]->filename);
|
||
// OBSOLETE wrap_here (""); /* Flush output */
|
||
// OBSOLETE gdb_flush (gdb_stdout);
|
||
// OBSOLETE }
|
||
// OBSOLETE os9k_psymtab_to_symtab_1 (pst->dependencies[i]);
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE if (LDSYMCNT (pst)) /* Otherwise it's a dummy */
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Init stuff necessary for reading in symbols */
|
||
// OBSOLETE stabsread_init ();
|
||
// OBSOLETE buildsym_init ();
|
||
// OBSOLETE old_chain = make_cleanup (really_free_pendings, 0);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Read in this file's symbols */
|
||
// OBSOLETE os9k_read_ofile_symtab (pst);
|
||
// OBSOLETE sort_symtab_syms (pst->symtab);
|
||
// OBSOLETE do_cleanups (old_chain);
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE pst->readin = 1;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Read in all of the symbols for a given psymtab for real.
|
||
// OBSOLETE Be verbose about it if the user wants that. */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_psymtab_to_symtab (struct partial_symtab *pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE bfd *sym_bfd;
|
||
// OBSOLETE
|
||
// OBSOLETE if (!pst)
|
||
// OBSOLETE return;
|
||
// OBSOLETE
|
||
// OBSOLETE if (pst->readin)
|
||
// OBSOLETE {
|
||
// OBSOLETE fprintf_unfiltered (gdb_stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
|
||
// OBSOLETE pst->filename);
|
||
// OBSOLETE return;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE if (LDSYMCNT (pst) || pst->number_of_dependencies)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Print the message now, before reading the string table,
|
||
// OBSOLETE to avoid disconcerting pauses. */
|
||
// OBSOLETE if (info_verbose)
|
||
// OBSOLETE {
|
||
// OBSOLETE printf_filtered ("Reading in symbols for %s...", pst->filename);
|
||
// OBSOLETE gdb_flush (gdb_stdout);
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE sym_bfd = pst->objfile->obfd;
|
||
// OBSOLETE os9k_psymtab_to_symtab_1 (pst);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Match with global symbols. This only needs to be done once,
|
||
// OBSOLETE after all of the symtabs and dependencies have been read in. */
|
||
// OBSOLETE scan_file_globals (pst->objfile);
|
||
// OBSOLETE
|
||
// OBSOLETE /* Finish up the debug error message. */
|
||
// OBSOLETE if (info_verbose)
|
||
// OBSOLETE printf_filtered ("done.\n");
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Read in a defined section of a specific object file's symbols. */
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_read_ofile_symtab (struct partial_symtab *pst)
|
||
// OBSOLETE {
|
||
// OBSOLETE register struct internal_symstruct *bufp;
|
||
// OBSOLETE unsigned char type;
|
||
// OBSOLETE unsigned max_symnum;
|
||
// OBSOLETE register bfd *abfd;
|
||
// OBSOLETE struct objfile *objfile;
|
||
// OBSOLETE int sym_offset; /* Offset to start of symbols to read */
|
||
// OBSOLETE CORE_ADDR text_offset; /* Start of text segment for symbols */
|
||
// OBSOLETE int text_size; /* Size of text segment for symbols */
|
||
// OBSOLETE FILE *dbg_file;
|
||
// OBSOLETE
|
||
// OBSOLETE objfile = pst->objfile;
|
||
// OBSOLETE sym_offset = LDSYMOFF (pst);
|
||
// OBSOLETE max_symnum = LDSYMCNT (pst);
|
||
// OBSOLETE text_offset = pst->textlow;
|
||
// OBSOLETE text_size = pst->texthigh - pst->textlow;
|
||
// OBSOLETE
|
||
// OBSOLETE current_objfile = objfile;
|
||
// OBSOLETE subfile_stack = NULL;
|
||
// OBSOLETE last_source_file = NULL;
|
||
// OBSOLETE
|
||
// OBSOLETE abfd = objfile->obfd;
|
||
// OBSOLETE dbg_file = objfile->auxf2;
|
||
// OBSOLETE
|
||
// OBSOLETE #if 0
|
||
// OBSOLETE /* It is necessary to actually read one symbol *before* the start
|
||
// OBSOLETE of this symtab's symbols, because the GCC_COMPILED_FLAG_SYMBOL
|
||
// OBSOLETE occurs before the N_SO symbol.
|
||
// OBSOLETE Detecting this in read_dbx_symtab
|
||
// OBSOLETE would slow down initial readin, so we look for it here instead. */
|
||
// OBSOLETE if (!processing_acc_compilation && sym_offset >= (int) symbol_size)
|
||
// OBSOLETE {
|
||
// OBSOLETE fseek (objefile->auxf2, sym_offset, SEEK_CUR);
|
||
// OBSOLETE fill_sym (objfile->auxf2, abfd);
|
||
// OBSOLETE bufp = symbuf;
|
||
// OBSOLETE
|
||
// OBSOLETE processing_gcc_compilation = 0;
|
||
// OBSOLETE if (bufp->n_type == N_TEXT)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
|
||
// OBSOLETE processing_gcc_compilation = 1;
|
||
// OBSOLETE else if (STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
|
||
// OBSOLETE processing_gcc_compilation = 2;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE /* Try to select a C++ demangling based on the compilation unit
|
||
// OBSOLETE producer. */
|
||
// OBSOLETE
|
||
// OBSOLETE if (processing_gcc_compilation)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (AUTO_DEMANGLING)
|
||
// OBSOLETE {
|
||
// OBSOLETE set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE /* The N_SO starting this symtab is the first symbol, so we
|
||
// OBSOLETE better not check the symbol before it. I'm not this can
|
||
// OBSOLETE happen, but it doesn't hurt to check for it. */
|
||
// OBSOLETE bfd_seek (symfile_bfd, sym_offset, SEEK_CUR);
|
||
// OBSOLETE processing_gcc_compilation = 0;
|
||
// OBSOLETE }
|
||
// OBSOLETE #endif /* 0 */
|
||
// OBSOLETE
|
||
// OBSOLETE fseek (dbg_file, (long) sym_offset, 0);
|
||
// OBSOLETE /*
|
||
// OBSOLETE if (bufp->n_type != (unsigned char)N_SYM_SYM)
|
||
// OBSOLETE error("First symbol in segment of executable not a source symbol");
|
||
// OBSOLETE */
|
||
// OBSOLETE
|
||
// OBSOLETE for (symnum = 0; symnum < max_symnum; symnum++)
|
||
// OBSOLETE {
|
||
// OBSOLETE QUIT; /* Allow this to be interruptable */
|
||
// OBSOLETE fill_sym (dbg_file, abfd);
|
||
// OBSOLETE bufp = symbuf;
|
||
// OBSOLETE type = bufp->n_type;
|
||
// OBSOLETE
|
||
// OBSOLETE os9k_process_one_symbol ((int) type, (int) bufp->n_desc,
|
||
// OBSOLETE (CORE_ADDR) bufp->n_value, bufp->n_strx, pst->section_offsets, objfile);
|
||
// OBSOLETE
|
||
// OBSOLETE /* We skip checking for a new .o or -l file; that should never
|
||
// OBSOLETE happen in this routine. */
|
||
// OBSOLETE #if 0
|
||
// OBSOLETE else
|
||
// OBSOLETE if (type == N_TEXT)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* I don't think this code will ever be executed, because
|
||
// OBSOLETE the GCC_COMPILED_FLAG_SYMBOL usually is right before
|
||
// OBSOLETE the N_SO symbol which starts this source file.
|
||
// OBSOLETE However, there is no reason not to accept
|
||
// OBSOLETE the GCC_COMPILED_FLAG_SYMBOL anywhere. */
|
||
// OBSOLETE
|
||
// OBSOLETE if (STREQ (namestring, GCC_COMPILED_FLAG_SYMBOL))
|
||
// OBSOLETE processing_gcc_compilation = 1;
|
||
// OBSOLETE else if (STREQ (namestring, GCC2_COMPILED_FLAG_SYMBOL))
|
||
// OBSOLETE processing_gcc_compilation = 2;
|
||
// OBSOLETE
|
||
// OBSOLETE if (AUTO_DEMANGLING)
|
||
// OBSOLETE {
|
||
// OBSOLETE set_demangling_style (GNU_DEMANGLING_STYLE_STRING);
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE else if (type & N_EXT || type == (unsigned char) N_TEXT
|
||
// OBSOLETE || type == (unsigned char) N_NBTEXT
|
||
// OBSOLETE )
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Global symbol: see if we came across a dbx defintion for
|
||
// OBSOLETE a corresponding symbol. If so, store the value. Remove
|
||
// OBSOLETE syms from the chain when their values are stored, but
|
||
// OBSOLETE search the whole chain, as there may be several syms from
|
||
// OBSOLETE different files with the same name. */
|
||
// OBSOLETE /* This is probably not true. Since the files will be read
|
||
// OBSOLETE in one at a time, each reference to a global symbol will
|
||
// OBSOLETE be satisfied in each file as it appears. So we skip this
|
||
// OBSOLETE section. */
|
||
// OBSOLETE ;
|
||
// OBSOLETE }
|
||
// OBSOLETE #endif /* 0 */
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE current_objfile = NULL;
|
||
// OBSOLETE
|
||
// OBSOLETE /* In a Solaris elf file, this variable, which comes from the
|
||
// OBSOLETE value of the N_SO symbol, will still be 0. Luckily, text_offset,
|
||
// OBSOLETE which comes from pst->textlow is correct. */
|
||
// OBSOLETE if (last_source_start_addr == 0)
|
||
// OBSOLETE last_source_start_addr = text_offset;
|
||
// OBSOLETE pst->symtab = end_symtab (text_offset + text_size, objfile, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE end_stabs ();
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE
|
||
// OBSOLETE /* This handles a single symbol from the symbol-file, building symbols
|
||
// OBSOLETE into a GDB symtab. It takes these arguments and an implicit argument.
|
||
// OBSOLETE
|
||
// OBSOLETE TYPE is the type field of the ".stab" symbol entry.
|
||
// OBSOLETE DESC is the desc field of the ".stab" entry.
|
||
// OBSOLETE VALU is the value field of the ".stab" entry.
|
||
// OBSOLETE NAME is the symbol name, in our address space.
|
||
// OBSOLETE SECTION_OFFSETS is a set of amounts by which the sections of this object
|
||
// OBSOLETE file were relocated when it was loaded into memory.
|
||
// OBSOLETE All symbols that refer
|
||
// OBSOLETE to memory locations need to be offset by these amounts.
|
||
// OBSOLETE OBJFILE is the object file from which we are reading symbols.
|
||
// OBSOLETE It is used in end_symtab. */
|
||
// OBSOLETE
|
||
// OBSOLETE static void
|
||
// OBSOLETE os9k_process_one_symbol (int type, int desc, CORE_ADDR valu, char *name,
|
||
// OBSOLETE struct section_offsets *section_offsets,
|
||
// OBSOLETE struct objfile *objfile)
|
||
// OBSOLETE {
|
||
// OBSOLETE register struct context_stack *new;
|
||
// OBSOLETE /* The stab type used for the definition of the last function.
|
||
// OBSOLETE N_STSYM or N_GSYM for SunOS4 acc; N_FUN for other compilers. */
|
||
// OBSOLETE static int function_stab_type = 0;
|
||
// OBSOLETE
|
||
// OBSOLETE #if 0
|
||
// OBSOLETE /* Something is wrong if we see real data before
|
||
// OBSOLETE seeing a source file name. */
|
||
// OBSOLETE if (last_source_file == NULL && type != (unsigned char) N_SO)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Ignore any symbols which appear before an N_SO symbol.
|
||
// OBSOLETE Currently no one puts symbols there, but we should deal
|
||
// OBSOLETE gracefully with the case. A complain()t might be in order,
|
||
// OBSOLETE but this should not be an error (). */
|
||
// OBSOLETE return;
|
||
// OBSOLETE }
|
||
// OBSOLETE #endif /* 0 */
|
||
// OBSOLETE
|
||
// OBSOLETE switch (type)
|
||
// OBSOLETE {
|
||
// OBSOLETE case N_SYM_LBRAC:
|
||
// OBSOLETE /* On most machines, the block addresses are relative to the
|
||
// OBSOLETE N_SO, the linker did not relocate them (sigh). */
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE new = push_context (desc, valu);
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_RBRAC:
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE new = pop_context ();
|
||
// OBSOLETE
|
||
// OBSOLETE #if !defined (OS9K_VARIABLES_INSIDE_BLOCK)
|
||
// OBSOLETE #define OS9K_VARIABLES_INSIDE_BLOCK(desc, gcc_p) 1
|
||
// OBSOLETE #endif
|
||
// OBSOLETE
|
||
// OBSOLETE if (!OS9K_VARIABLES_INSIDE_BLOCK (desc, processing_gcc_compilation))
|
||
// OBSOLETE local_symbols = new->locals;
|
||
// OBSOLETE
|
||
// OBSOLETE if (context_stack_depth > 1)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* This is not the outermost LBRAC...RBRAC pair in the function,
|
||
// OBSOLETE its local symbols preceded it, and are the ones just recovered
|
||
// OBSOLETE from the context stack. Define the block for them (but don't
|
||
// OBSOLETE bother if the block contains no symbols. Should we complain
|
||
// OBSOLETE on blocks without symbols? I can't think of any useful purpose
|
||
// OBSOLETE for them). */
|
||
// OBSOLETE if (local_symbols != NULL)
|
||
// OBSOLETE {
|
||
// OBSOLETE /* Muzzle a compiler bug that makes end < start. (which
|
||
// OBSOLETE compilers? Is this ever harmful?). */
|
||
// OBSOLETE if (new->start_addr > valu)
|
||
// OBSOLETE {
|
||
// OBSOLETE complain (&lbrac_rbrac_complaint);
|
||
// OBSOLETE new->start_addr = valu;
|
||
// OBSOLETE }
|
||
// OBSOLETE /* Make a block for the local symbols within. */
|
||
// OBSOLETE finish_block (0, &local_symbols, new->old_blocks,
|
||
// OBSOLETE new->start_addr, valu, objfile);
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE if (context_stack_depth == 0)
|
||
// OBSOLETE {
|
||
// OBSOLETE within_function = 0;
|
||
// OBSOLETE /* Make a block for the local symbols within. */
|
||
// OBSOLETE finish_block (new->name, &local_symbols, new->old_blocks,
|
||
// OBSOLETE new->start_addr, valu, objfile);
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE /* attach local_symbols to the end of new->locals */
|
||
// OBSOLETE if (!new->locals)
|
||
// OBSOLETE new->locals = local_symbols;
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE struct pending *p;
|
||
// OBSOLETE
|
||
// OBSOLETE p = new->locals;
|
||
// OBSOLETE while (p->next)
|
||
// OBSOLETE p = p->next;
|
||
// OBSOLETE p->next = local_symbols;
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE if (OS9K_VARIABLES_INSIDE_BLOCK (desc, processing_gcc_compilation))
|
||
// OBSOLETE /* Now pop locals of block just finished. */
|
||
// OBSOLETE local_symbols = new->locals;
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_SLINE:
|
||
// OBSOLETE /* This type of "symbol" really just records
|
||
// OBSOLETE one line-number -- core-address correspondence.
|
||
// OBSOLETE Enter it in the line list for this symbol table. */
|
||
// OBSOLETE /* Relocate for dynamic loading and for ELF acc fn-relative syms. */
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE /* FIXME: loses if sizeof (char *) > sizeof (int) */
|
||
// OBSOLETE gdb_assert (sizeof (name) <= sizeof (int));
|
||
// OBSOLETE record_line (current_subfile, (int) name, valu);
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE /* The following symbol types need to have the appropriate offset added
|
||
// OBSOLETE to their value; then we process symbol definitions in the name. */
|
||
// OBSOLETE case N_SYM_SYM:
|
||
// OBSOLETE
|
||
// OBSOLETE if (name)
|
||
// OBSOLETE {
|
||
// OBSOLETE char deftype;
|
||
// OBSOLETE char *dirn, *n;
|
||
// OBSOLETE char *p = strchr (name, ':');
|
||
// OBSOLETE if (p == NULL)
|
||
// OBSOLETE deftype = '\0';
|
||
// OBSOLETE else
|
||
// OBSOLETE deftype = p[1];
|
||
// OBSOLETE
|
||
// OBSOLETE
|
||
// OBSOLETE switch (deftype)
|
||
// OBSOLETE {
|
||
// OBSOLETE case 'S':
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE n = strrchr (name, '/');
|
||
// OBSOLETE if (n != NULL)
|
||
// OBSOLETE {
|
||
// OBSOLETE *n = '\0';
|
||
// OBSOLETE n++;
|
||
// OBSOLETE dirn = name;
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE n = name;
|
||
// OBSOLETE dirn = NULL;
|
||
// OBSOLETE }
|
||
// OBSOLETE *p = '\0';
|
||
// OBSOLETE if (symfile_depth++ == 0)
|
||
// OBSOLETE {
|
||
// OBSOLETE if (last_source_file)
|
||
// OBSOLETE {
|
||
// OBSOLETE end_symtab (valu, objfile, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE end_stabs ();
|
||
// OBSOLETE }
|
||
// OBSOLETE start_stabs ();
|
||
// OBSOLETE os9k_stabs = 1;
|
||
// OBSOLETE start_symtab (n, dirn, valu);
|
||
// OBSOLETE record_debugformat ("OS9");
|
||
// OBSOLETE }
|
||
// OBSOLETE else
|
||
// OBSOLETE {
|
||
// OBSOLETE push_subfile ();
|
||
// OBSOLETE start_subfile (n, dirn != NULL ? dirn : current_subfile->dirname);
|
||
// OBSOLETE }
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'f':
|
||
// OBSOLETE case 'F':
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_TEXT (objfile));
|
||
// OBSOLETE function_stab_type = type;
|
||
// OBSOLETE
|
||
// OBSOLETE within_function = 1;
|
||
// OBSOLETE new = push_context (0, valu);
|
||
// OBSOLETE new->name = define_symbol (valu, name, desc, type, objfile);
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE case 'V':
|
||
// OBSOLETE case 'v':
|
||
// OBSOLETE valu += ANOFFSET (section_offsets, SECT_OFF_DATA (objfile));
|
||
// OBSOLETE define_symbol (valu, name, desc, type, objfile);
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE default:
|
||
// OBSOLETE define_symbol (valu, name, desc, type, objfile);
|
||
// OBSOLETE break;
|
||
// OBSOLETE }
|
||
// OBSOLETE }
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_SE:
|
||
// OBSOLETE if (--symfile_depth != 0)
|
||
// OBSOLETE start_subfile (pop_subfile (), current_subfile->dirname);
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE default:
|
||
// OBSOLETE complain (&unknown_symtype_complaint,
|
||
// OBSOLETE local_hex_string ((unsigned long) type));
|
||
// OBSOLETE /* FALLTHROUGH */
|
||
// OBSOLETE break;
|
||
// OBSOLETE
|
||
// OBSOLETE case N_SYM_CMPLR:
|
||
// OBSOLETE break;
|
||
// OBSOLETE }
|
||
// OBSOLETE previous_stab_code = type;
|
||
// OBSOLETE }
|
||
// OBSOLETE
|
||
// OBSOLETE static struct sym_fns os9k_sym_fns =
|
||
// OBSOLETE {
|
||
// OBSOLETE bfd_target_os9k_flavour,
|
||
// OBSOLETE os9k_new_init, /* sym_new_init: init anything gbl to entire symtab */
|
||
// OBSOLETE os9k_symfile_init, /* sym_init: read initial info, setup for sym_read() */
|
||
// OBSOLETE os9k_symfile_read, /* sym_read: read a symbol file into symtab */
|
||
// OBSOLETE os9k_symfile_finish, /* sym_finish: finished with file, cleanup */
|
||
// OBSOLETE default_symfile_offsets, /* sym_offsets: parse user's offsets to internal form */
|
||
// OBSOLETE NULL /* next: pointer to next struct sym_fns */
|
||
// OBSOLETE };
|
||
// OBSOLETE
|
||
// OBSOLETE void
|
||
// OBSOLETE _initialize_os9kread (void)
|
||
// OBSOLETE {
|
||
// OBSOLETE add_symtab_fns (&os9k_sym_fns);
|
||
// OBSOLETE }
|