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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [xcoffread.c] - Diff between revs 834 and 842

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/* Read AIX xcoff symbol tables and convert to internal format, for GDB.
/* Read AIX xcoff symbol tables and convert to internal format, for GDB.
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
   1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2007, 2008, 2009,
   2010 Free Software Foundation, Inc.
   2010 Free Software Foundation, Inc.
   Derived from coffread.c, dbxread.c, and a lot of hacking.
   Derived from coffread.c, dbxread.c, and a lot of hacking.
   Contributed by IBM Corporation.
   Contributed by IBM Corporation.
 
 
   This file is part of GDB.
   This file is part of GDB.
 
 
   This program is free software; you can redistribute it and/or modify
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.
   (at your option) any later version.
 
 
   This program is distributed in the hope that it will be useful,
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
   GNU General Public License for more details.
 
 
   You should have received a copy of the GNU General Public License
   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 
#include "defs.h"
#include "defs.h"
#include "bfd.h"
#include "bfd.h"
 
 
#include <sys/types.h>
#include <sys/types.h>
#include <fcntl.h>
#include <fcntl.h>
#include <ctype.h>
#include <ctype.h>
#include "gdb_string.h"
#include "gdb_string.h"
 
 
#include <sys/param.h>
#include <sys/param.h>
#ifdef HAVE_SYS_FILE_H
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#include <sys/file.h>
#endif
#endif
#include "gdb_stat.h"
#include "gdb_stat.h"
 
 
#include "coff/internal.h"
#include "coff/internal.h"
#include "libcoff.h"            /* FIXME, internal data from BFD */
#include "libcoff.h"            /* FIXME, internal data from BFD */
#include "coff/xcoff.h"
#include "coff/xcoff.h"
#include "libxcoff.h"
#include "libxcoff.h"
#include "coff/rs6000.h"
#include "coff/rs6000.h"
#include "xcoffread.h"
#include "xcoffread.h"
 
 
#include "symtab.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "gdbtypes.h"
/* FIXME: ezannoni/2004-02-13 Verify if the include below is really needed.  */
/* FIXME: ezannoni/2004-02-13 Verify if the include below is really needed.  */
#include "symfile.h"
#include "symfile.h"
#include "objfiles.h"
#include "objfiles.h"
#include "buildsym.h"
#include "buildsym.h"
#include "stabsread.h"
#include "stabsread.h"
#include "expression.h"
#include "expression.h"
#include "complaints.h"
#include "complaints.h"
 
 
#include "gdb-stabs.h"
#include "gdb-stabs.h"
 
 
/* For interface with stabsread.c.  */
/* For interface with stabsread.c.  */
#include "aout/stab_gnu.h"
#include "aout/stab_gnu.h"
 
 


/* We put a pointer to this structure in the read_symtab_private field
/* We put a pointer to this structure in the read_symtab_private field
   of the psymtab.  */
   of the psymtab.  */
 
 
struct symloc
struct symloc
  {
  {
 
 
    /* First symbol number for this file.  */
    /* First symbol number for this file.  */
 
 
    int first_symnum;
    int first_symnum;
 
 
    /* Number of symbols in the section of the symbol table devoted to
    /* Number of symbols in the section of the symbol table devoted to
       this file's symbols (actually, the section bracketed may contain
       this file's symbols (actually, the section bracketed may contain
       more than just this file's symbols).  If numsyms is 0, the only
       more than just this file's symbols).  If numsyms is 0, the only
       reason for this thing's existence is the dependency list.  Nothing
       reason for this thing's existence is the dependency list.  Nothing
       else will happen when it is read in.  */
       else will happen when it is read in.  */
 
 
    int numsyms;
    int numsyms;
 
 
    /* Position of the start of the line number information for this psymtab.  */
    /* Position of the start of the line number information for this psymtab.  */
    unsigned int lineno_off;
    unsigned int lineno_off;
  };
  };
 
 
/* Remember what we deduced to be the source language of this psymtab. */
/* Remember what we deduced to be the source language of this psymtab. */
 
 
static enum language psymtab_language = language_unknown;
static enum language psymtab_language = language_unknown;


 
 
/* Simplified internal version of coff symbol table information */
/* Simplified internal version of coff symbol table information */
 
 
struct coff_symbol
struct coff_symbol
  {
  {
    char *c_name;
    char *c_name;
    int c_symnum;               /* symbol number of this entry */
    int c_symnum;               /* symbol number of this entry */
    int c_naux;                 /* 0 if syment only, 1 if syment + auxent */
    int c_naux;                 /* 0 if syment only, 1 if syment + auxent */
    long c_value;
    long c_value;
    unsigned char c_sclass;
    unsigned char c_sclass;
    int c_secnum;
    int c_secnum;
    unsigned int c_type;
    unsigned int c_type;
  };
  };
 
 
/* last function's saved coff symbol `cs' */
/* last function's saved coff symbol `cs' */
 
 
static struct coff_symbol fcn_cs_saved;
static struct coff_symbol fcn_cs_saved;
 
 
static bfd *symfile_bfd;
static bfd *symfile_bfd;
 
 
/* Core address of start and end of text of current source file.
/* Core address of start and end of text of current source file.
   This is calculated from the first function seen after a C_FILE
   This is calculated from the first function seen after a C_FILE
   symbol. */
   symbol. */
 
 
 
 
static CORE_ADDR cur_src_end_addr;
static CORE_ADDR cur_src_end_addr;
 
 
/* Core address of the end of the first object file.  */
/* Core address of the end of the first object file.  */
 
 
static CORE_ADDR first_object_file_end;
static CORE_ADDR first_object_file_end;
 
 
/* initial symbol-table-debug-string vector length */
/* initial symbol-table-debug-string vector length */
 
 
#define INITIAL_STABVECTOR_LENGTH       40
#define INITIAL_STABVECTOR_LENGTH       40
 
 
/* Nonzero if within a function (so symbols should be local,
/* Nonzero if within a function (so symbols should be local,
   if nothing says specifically).  */
   if nothing says specifically).  */
 
 
int within_function;
int within_function;
 
 
/* Size of a COFF symbol.  I think it is always 18, so I'm not sure
/* Size of a COFF symbol.  I think it is always 18, so I'm not sure
   there is any reason not to just use a #define, but might as well
   there is any reason not to just use a #define, but might as well
   ask BFD for the size and store it here, I guess.  */
   ask BFD for the size and store it here, I guess.  */
 
 
static unsigned local_symesz;
static unsigned local_symesz;
 
 
struct coff_symfile_info
struct coff_symfile_info
  {
  {
    file_ptr min_lineno_offset; /* Where in file lowest line#s are */
    file_ptr min_lineno_offset; /* Where in file lowest line#s are */
    file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
    file_ptr max_lineno_offset; /* 1+last byte of line#s in file */
 
 
    /* Pointer to the string table.  */
    /* Pointer to the string table.  */
    char *strtbl;
    char *strtbl;
 
 
    /* Pointer to debug section.  */
    /* Pointer to debug section.  */
    char *debugsec;
    char *debugsec;
 
 
    /* Pointer to the a.out symbol table.  */
    /* Pointer to the a.out symbol table.  */
    char *symtbl;
    char *symtbl;
 
 
    /* Number of symbols in symtbl.  */
    /* Number of symbols in symtbl.  */
    int symtbl_num_syms;
    int symtbl_num_syms;
 
 
    /* Offset in data section to TOC anchor.  */
    /* Offset in data section to TOC anchor.  */
    CORE_ADDR toc_offset;
    CORE_ADDR toc_offset;
  };
  };
 
 
static void
static void
bf_notfound_complaint (void)
bf_notfound_complaint (void)
{
{
  complaint (&symfile_complaints, _("line numbers off, `.bf' symbol not found"));
  complaint (&symfile_complaints, _("line numbers off, `.bf' symbol not found"));
}
}
 
 
static void
static void
ef_complaint (int arg1)
ef_complaint (int arg1)
{
{
  complaint (&symfile_complaints,
  complaint (&symfile_complaints,
             _("Mismatched .ef symbol ignored starting at symnum %d"), arg1);
             _("Mismatched .ef symbol ignored starting at symnum %d"), arg1);
}
}
 
 
static void
static void
eb_complaint (int arg1)
eb_complaint (int arg1)
{
{
  complaint (&symfile_complaints,
  complaint (&symfile_complaints,
             _("Mismatched .eb symbol ignored starting at symnum %d"), arg1);
             _("Mismatched .eb symbol ignored starting at symnum %d"), arg1);
}
}
 
 
static void xcoff_initial_scan (struct objfile *, int);
static void xcoff_initial_scan (struct objfile *, int);
 
 
static void scan_xcoff_symtab (struct objfile *);
static void scan_xcoff_symtab (struct objfile *);
 
 
static char *xcoff_next_symbol_text (struct objfile *);
static char *xcoff_next_symbol_text (struct objfile *);
 
 
static void record_include_begin (struct coff_symbol *);
static void record_include_begin (struct coff_symbol *);
 
 
static void
static void
enter_line_range (struct subfile *, unsigned, unsigned,
enter_line_range (struct subfile *, unsigned, unsigned,
                  CORE_ADDR, CORE_ADDR, unsigned *);
                  CORE_ADDR, CORE_ADDR, unsigned *);
 
 
static void init_stringtab (bfd *, file_ptr, struct objfile *);
static void init_stringtab (bfd *, file_ptr, struct objfile *);
 
 
static void xcoff_symfile_init (struct objfile *);
static void xcoff_symfile_init (struct objfile *);
 
 
static void xcoff_new_init (struct objfile *);
static void xcoff_new_init (struct objfile *);
 
 
static void xcoff_symfile_finish (struct objfile *);
static void xcoff_symfile_finish (struct objfile *);
 
 
static void xcoff_symfile_offsets (struct objfile *,
static void xcoff_symfile_offsets (struct objfile *,
                                   struct section_addr_info *addrs);
                                   struct section_addr_info *addrs);
 
 
static char *coff_getfilename (union internal_auxent *, struct objfile *);
static char *coff_getfilename (union internal_auxent *, struct objfile *);
 
 
static void read_symbol (struct internal_syment *, int);
static void read_symbol (struct internal_syment *, int);
 
 
static int read_symbol_lineno (int);
static int read_symbol_lineno (int);
 
 
static CORE_ADDR read_symbol_nvalue (int);
static CORE_ADDR read_symbol_nvalue (int);
 
 
static struct symbol *process_xcoff_symbol (struct coff_symbol *,
static struct symbol *process_xcoff_symbol (struct coff_symbol *,
                                            struct objfile *);
                                            struct objfile *);
 
 
static void read_xcoff_symtab (struct partial_symtab *);
static void read_xcoff_symtab (struct partial_symtab *);
 
 
#if 0
#if 0
static void add_stab_to_list (char *, struct pending_stabs **);
static void add_stab_to_list (char *, struct pending_stabs **);
#endif
#endif
 
 
static int compare_lte (const void *, const void *);
static int compare_lte (const void *, const void *);
 
 
static struct linetable *arrange_linetable (struct linetable *);
static struct linetable *arrange_linetable (struct linetable *);
 
 
static void record_include_end (struct coff_symbol *);
static void record_include_end (struct coff_symbol *);
 
 
static void process_linenos (CORE_ADDR, CORE_ADDR);
static void process_linenos (CORE_ADDR, CORE_ADDR);


 
 
/* Translate from a COFF section number (target_index) to a SECT_OFF_*
/* Translate from a COFF section number (target_index) to a SECT_OFF_*
   code.  */
   code.  */
static int secnum_to_section (int, struct objfile *);
static int secnum_to_section (int, struct objfile *);
static asection *secnum_to_bfd_section (int, struct objfile *);
static asection *secnum_to_bfd_section (int, struct objfile *);
 
 
struct find_targ_sec_arg
struct find_targ_sec_arg
  {
  {
    int targ_index;
    int targ_index;
    int *resultp;
    int *resultp;
    asection **bfd_sect;
    asection **bfd_sect;
    struct objfile *objfile;
    struct objfile *objfile;
  };
  };
 
 
static void find_targ_sec (bfd *, asection *, void *);
static void find_targ_sec (bfd *, asection *, void *);
 
 
static void
static void
find_targ_sec (bfd *abfd, asection *sect, void *obj)
find_targ_sec (bfd *abfd, asection *sect, void *obj)
{
{
  struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
  struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
  struct objfile *objfile = args->objfile;
  struct objfile *objfile = args->objfile;
  if (sect->target_index == args->targ_index)
  if (sect->target_index == args->targ_index)
    {
    {
      /* This is the section.  Figure out what SECT_OFF_* code it is.  */
      /* This is the section.  Figure out what SECT_OFF_* code it is.  */
      if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
      if (bfd_get_section_flags (abfd, sect) & SEC_CODE)
        *args->resultp = SECT_OFF_TEXT (objfile);
        *args->resultp = SECT_OFF_TEXT (objfile);
      else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
      else if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
        *args->resultp = SECT_OFF_DATA (objfile);
        *args->resultp = SECT_OFF_DATA (objfile);
      else
      else
        *args->resultp = sect->index;
        *args->resultp = sect->index;
      *args->bfd_sect = sect;
      *args->bfd_sect = sect;
    }
    }
}
}
 
 
/* Return the section number (SECT_OFF_*) that CS points to.  */
/* Return the section number (SECT_OFF_*) that CS points to.  */
static int
static int
secnum_to_section (int secnum, struct objfile *objfile)
secnum_to_section (int secnum, struct objfile *objfile)
{
{
  int off = SECT_OFF_TEXT (objfile);
  int off = SECT_OFF_TEXT (objfile);
  asection *sect = NULL;
  asection *sect = NULL;
  struct find_targ_sec_arg args;
  struct find_targ_sec_arg args;
  args.targ_index = secnum;
  args.targ_index = secnum;
  args.resultp = &off;
  args.resultp = &off;
  args.bfd_sect = &sect;
  args.bfd_sect = &sect;
  args.objfile = objfile;
  args.objfile = objfile;
  bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
  bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
  return off;
  return off;
}
}
 
 
/* Return the BFD section that CS points to.  */
/* Return the BFD section that CS points to.  */
static asection *
static asection *
secnum_to_bfd_section (int secnum, struct objfile *objfile)
secnum_to_bfd_section (int secnum, struct objfile *objfile)
{
{
  int off = SECT_OFF_TEXT (objfile);
  int off = SECT_OFF_TEXT (objfile);
  asection *sect = NULL;
  asection *sect = NULL;
  struct find_targ_sec_arg args;
  struct find_targ_sec_arg args;
  args.targ_index = secnum;
  args.targ_index = secnum;
  args.resultp = &off;
  args.resultp = &off;
  args.bfd_sect = &sect;
  args.bfd_sect = &sect;
  args.objfile = objfile;
  args.objfile = objfile;
  bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
  bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
  return sect;
  return sect;
}
}


/* add a given stab string into given stab vector. */
/* add a given stab string into given stab vector. */
 
 
#if 0
#if 0
 
 
static void
static void
add_stab_to_list (char *stabname, struct pending_stabs **stabvector)
add_stab_to_list (char *stabname, struct pending_stabs **stabvector)
{
{
  if (*stabvector == NULL)
  if (*stabvector == NULL)
    {
    {
      *stabvector = (struct pending_stabs *)
      *stabvector = (struct pending_stabs *)
        xmalloc (sizeof (struct pending_stabs) +
        xmalloc (sizeof (struct pending_stabs) +
                 INITIAL_STABVECTOR_LENGTH * sizeof (char *));
                 INITIAL_STABVECTOR_LENGTH * sizeof (char *));
      (*stabvector)->count = 0;
      (*stabvector)->count = 0;
      (*stabvector)->length = INITIAL_STABVECTOR_LENGTH;
      (*stabvector)->length = INITIAL_STABVECTOR_LENGTH;
    }
    }
  else if ((*stabvector)->count >= (*stabvector)->length)
  else if ((*stabvector)->count >= (*stabvector)->length)
    {
    {
      (*stabvector)->length += INITIAL_STABVECTOR_LENGTH;
      (*stabvector)->length += INITIAL_STABVECTOR_LENGTH;
      *stabvector = (struct pending_stabs *)
      *stabvector = (struct pending_stabs *)
        xrealloc ((char *) *stabvector, sizeof (struct pending_stabs) +
        xrealloc ((char *) *stabvector, sizeof (struct pending_stabs) +
                    (*stabvector)->length * sizeof (char *));
                    (*stabvector)->length * sizeof (char *));
    }
    }
  (*stabvector)->stab[(*stabvector)->count++] = stabname;
  (*stabvector)->stab[(*stabvector)->count++] = stabname;
}
}
 
 
#endif
#endif
/* *INDENT-OFF* */
/* *INDENT-OFF* */
/* Linenos are processed on a file-by-file basis.
/* Linenos are processed on a file-by-file basis.
 
 
   Two reasons:
   Two reasons:
 
 
   1) xlc (IBM's native c compiler) postpones static function code
   1) xlc (IBM's native c compiler) postpones static function code
   emission to the end of a compilation unit. This way it can
   emission to the end of a compilation unit. This way it can
   determine if those functions (statics) are needed or not, and
   determine if those functions (statics) are needed or not, and
   can do some garbage collection (I think). This makes line
   can do some garbage collection (I think). This makes line
   numbers and corresponding addresses unordered, and we end up
   numbers and corresponding addresses unordered, and we end up
   with a line table like:
   with a line table like:
 
 
 
 
   lineno       addr
   lineno       addr
   foo()          10    0x100
   foo()          10    0x100
   20   0x200
   20   0x200
   30   0x300
   30   0x300
 
 
   foo3()         70    0x400
   foo3()         70    0x400
   80   0x500
   80   0x500
   90   0x600
   90   0x600
 
 
   static foo2()
   static foo2()
   40   0x700
   40   0x700
   50   0x800
   50   0x800
   60   0x900
   60   0x900
 
 
   and that breaks gdb's binary search on line numbers, if the
   and that breaks gdb's binary search on line numbers, if the
   above table is not sorted on line numbers. And that sort
   above table is not sorted on line numbers. And that sort
   should be on function based, since gcc can emit line numbers
   should be on function based, since gcc can emit line numbers
   like:
   like:
 
 
   10   0x100   - for the init/test part of a for stmt.
   10   0x100   - for the init/test part of a for stmt.
   20   0x200
   20   0x200
   30   0x300
   30   0x300
   10   0x400   - for the increment part of a for stmt.
   10   0x400   - for the increment part of a for stmt.
 
 
   arrange_linetable() will do this sorting.
   arrange_linetable() will do this sorting.
 
 
   2)   aix symbol table might look like:
   2)   aix symbol table might look like:
 
 
   c_file               // beginning of a new file
   c_file               // beginning of a new file
   .bi          // beginning of include file
   .bi          // beginning of include file
   .ei          // end of include file
   .ei          // end of include file
   .bi
   .bi
   .ei
   .ei
 
 
   basically, .bi/.ei pairs do not necessarily encapsulate
   basically, .bi/.ei pairs do not necessarily encapsulate
   their scope. They need to be recorded, and processed later
   their scope. They need to be recorded, and processed later
   on when we come the end of the compilation unit.
   on when we come the end of the compilation unit.
   Include table (inclTable) and process_linenos() handle
   Include table (inclTable) and process_linenos() handle
   that.  */
   that.  */
/* *INDENT-ON* */
/* *INDENT-ON* */
 
 
 
 
 
 
/* compare line table entry addresses. */
/* compare line table entry addresses. */
 
 
static int
static int
compare_lte (const void *lte1p, const void *lte2p)
compare_lte (const void *lte1p, const void *lte2p)
{
{
  struct linetable_entry *lte1 = (struct linetable_entry *) lte1p;
  struct linetable_entry *lte1 = (struct linetable_entry *) lte1p;
  struct linetable_entry *lte2 = (struct linetable_entry *) lte2p;
  struct linetable_entry *lte2 = (struct linetable_entry *) lte2p;
  return lte1->pc - lte2->pc;
  return lte1->pc - lte2->pc;
}
}
 
 
/* Given a line table with function entries are marked, arrange its functions
/* Given a line table with function entries are marked, arrange its functions
   in ascending order and strip off function entry markers and return it in
   in ascending order and strip off function entry markers and return it in
   a newly created table. If the old one is good enough, return the old one. */
   a newly created table. If the old one is good enough, return the old one. */
/* FIXME: I think all this stuff can be replaced by just passing
/* FIXME: I think all this stuff can be replaced by just passing
   sort_linevec = 1 to end_symtab.  */
   sort_linevec = 1 to end_symtab.  */
 
 
static struct linetable *
static struct linetable *
arrange_linetable (struct linetable *oldLineTb)
arrange_linetable (struct linetable *oldLineTb)
{
{
  int ii, jj, newline,          /* new line count */
  int ii, jj, newline,          /* new line count */
    function_count;             /* # of functions */
    function_count;             /* # of functions */
 
 
  struct linetable_entry *fentry;       /* function entry vector */
  struct linetable_entry *fentry;       /* function entry vector */
  int fentry_size;              /* # of function entries */
  int fentry_size;              /* # of function entries */
  struct linetable *newLineTb;  /* new line table */
  struct linetable *newLineTb;  /* new line table */
 
 
#define NUM_OF_FUNCTIONS 20
#define NUM_OF_FUNCTIONS 20
 
 
  fentry_size = NUM_OF_FUNCTIONS;
  fentry_size = NUM_OF_FUNCTIONS;
  fentry = (struct linetable_entry *)
  fentry = (struct linetable_entry *)
    xmalloc (fentry_size * sizeof (struct linetable_entry));
    xmalloc (fentry_size * sizeof (struct linetable_entry));
 
 
  for (function_count = 0, ii = 0; ii < oldLineTb->nitems; ++ii)
  for (function_count = 0, ii = 0; ii < oldLineTb->nitems; ++ii)
    {
    {
 
 
      if (oldLineTb->item[ii].line == 0)
      if (oldLineTb->item[ii].line == 0)
        {                       /* function entry found. */
        {                       /* function entry found. */
 
 
          if (function_count >= fentry_size)
          if (function_count >= fentry_size)
            {                   /* make sure you have room. */
            {                   /* make sure you have room. */
              fentry_size *= 2;
              fentry_size *= 2;
              fentry = (struct linetable_entry *)
              fentry = (struct linetable_entry *)
                xrealloc (fentry, fentry_size * sizeof (struct linetable_entry));
                xrealloc (fentry, fentry_size * sizeof (struct linetable_entry));
            }
            }
          fentry[function_count].line = ii;
          fentry[function_count].line = ii;
          fentry[function_count].pc = oldLineTb->item[ii].pc;
          fentry[function_count].pc = oldLineTb->item[ii].pc;
          ++function_count;
          ++function_count;
        }
        }
    }
    }
 
 
  if (function_count == 0)
  if (function_count == 0)
    {
    {
      xfree (fentry);
      xfree (fentry);
      return oldLineTb;
      return oldLineTb;
    }
    }
  else if (function_count > 1)
  else if (function_count > 1)
    qsort (fentry, function_count, sizeof (struct linetable_entry), compare_lte);
    qsort (fentry, function_count, sizeof (struct linetable_entry), compare_lte);
 
 
  /* allocate a new line table. */
  /* allocate a new line table. */
  newLineTb = (struct linetable *)
  newLineTb = (struct linetable *)
    xmalloc
    xmalloc
    (sizeof (struct linetable) +
    (sizeof (struct linetable) +
    (oldLineTb->nitems - function_count) * sizeof (struct linetable_entry));
    (oldLineTb->nitems - function_count) * sizeof (struct linetable_entry));
 
 
  /* if line table does not start with a function beginning, copy up until
  /* if line table does not start with a function beginning, copy up until
     a function begin. */
     a function begin. */
 
 
  newline = 0;
  newline = 0;
  if (oldLineTb->item[0].line != 0)
  if (oldLineTb->item[0].line != 0)
    for (newline = 0;
    for (newline = 0;
    newline < oldLineTb->nitems && oldLineTb->item[newline].line; ++newline)
    newline < oldLineTb->nitems && oldLineTb->item[newline].line; ++newline)
      newLineTb->item[newline] = oldLineTb->item[newline];
      newLineTb->item[newline] = oldLineTb->item[newline];
 
 
  /* Now copy function lines one by one. */
  /* Now copy function lines one by one. */
 
 
  for (ii = 0; ii < function_count; ++ii)
  for (ii = 0; ii < function_count; ++ii)
    {
    {
      for (jj = fentry[ii].line + 1;
      for (jj = fentry[ii].line + 1;
           jj < oldLineTb->nitems && oldLineTb->item[jj].line != 0;
           jj < oldLineTb->nitems && oldLineTb->item[jj].line != 0;
           ++jj, ++newline)
           ++jj, ++newline)
        newLineTb->item[newline] = oldLineTb->item[jj];
        newLineTb->item[newline] = oldLineTb->item[jj];
    }
    }
  xfree (fentry);
  xfree (fentry);
  newLineTb->nitems = oldLineTb->nitems - function_count;
  newLineTb->nitems = oldLineTb->nitems - function_count;
  return newLineTb;
  return newLineTb;
}
}
 
 
/* include file support: C_BINCL/C_EINCL pairs will be kept in the
/* include file support: C_BINCL/C_EINCL pairs will be kept in the
   following `IncludeChain'. At the end of each symtab (end_symtab),
   following `IncludeChain'. At the end of each symtab (end_symtab),
   we will determine if we should create additional symtab's to
   we will determine if we should create additional symtab's to
   represent if (the include files. */
   represent if (the include files. */
 
 
 
 
typedef struct _inclTable
typedef struct _inclTable
{
{
  char *name;                   /* include filename */
  char *name;                   /* include filename */
 
 
  /* Offsets to the line table.  end points to the last entry which is
  /* Offsets to the line table.  end points to the last entry which is
     part of this include file.  */
     part of this include file.  */
  int begin, end;
  int begin, end;
 
 
  struct subfile *subfile;
  struct subfile *subfile;
  unsigned funStartLine;        /* start line # of its function */
  unsigned funStartLine;        /* start line # of its function */
}
}
InclTable;
InclTable;
 
 
#define INITIAL_INCLUDE_TABLE_LENGTH    20
#define INITIAL_INCLUDE_TABLE_LENGTH    20
static InclTable *inclTable;    /* global include table */
static InclTable *inclTable;    /* global include table */
static int inclIndx;            /* last entry to table */
static int inclIndx;            /* last entry to table */
static int inclLength;          /* table length */
static int inclLength;          /* table length */
static int inclDepth;           /* nested include depth */
static int inclDepth;           /* nested include depth */
 
 
static void allocate_include_entry (void);
static void allocate_include_entry (void);
 
 
static void
static void
record_include_begin (struct coff_symbol *cs)
record_include_begin (struct coff_symbol *cs)
{
{
  if (inclDepth)
  if (inclDepth)
    {
    {
      /* In xcoff, we assume include files cannot be nested (not in .c files
      /* In xcoff, we assume include files cannot be nested (not in .c files
         of course, but in corresponding .s files.).  */
         of course, but in corresponding .s files.).  */
 
 
      /* This can happen with old versions of GCC.
      /* This can happen with old versions of GCC.
         GCC 2.3.3-930426 does not exhibit this on a test case which
         GCC 2.3.3-930426 does not exhibit this on a test case which
         a user said produced the message for him.  */
         a user said produced the message for him.  */
      complaint (&symfile_complaints, _("Nested C_BINCL symbols"));
      complaint (&symfile_complaints, _("Nested C_BINCL symbols"));
    }
    }
  ++inclDepth;
  ++inclDepth;
 
 
  allocate_include_entry ();
  allocate_include_entry ();
 
 
  inclTable[inclIndx].name = cs->c_name;
  inclTable[inclIndx].name = cs->c_name;
  inclTable[inclIndx].begin = cs->c_value;
  inclTable[inclIndx].begin = cs->c_value;
}
}
 
 
static void
static void
record_include_end (struct coff_symbol *cs)
record_include_end (struct coff_symbol *cs)
{
{
  InclTable *pTbl;
  InclTable *pTbl;
 
 
  if (inclDepth == 0)
  if (inclDepth == 0)
    {
    {
      complaint (&symfile_complaints, _("Mismatched C_BINCL/C_EINCL pair"));
      complaint (&symfile_complaints, _("Mismatched C_BINCL/C_EINCL pair"));
    }
    }
 
 
  allocate_include_entry ();
  allocate_include_entry ();
 
 
  pTbl = &inclTable[inclIndx];
  pTbl = &inclTable[inclIndx];
  pTbl->end = cs->c_value;
  pTbl->end = cs->c_value;
 
 
  --inclDepth;
  --inclDepth;
  ++inclIndx;
  ++inclIndx;
}
}
 
 
static void
static void
allocate_include_entry (void)
allocate_include_entry (void)
{
{
  if (inclTable == NULL)
  if (inclTable == NULL)
    {
    {
      inclTable = (InclTable *)
      inclTable = (InclTable *)
        xmalloc (sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
        xmalloc (sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
      memset (inclTable,
      memset (inclTable,
              '\0', sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
              '\0', sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
      inclLength = INITIAL_INCLUDE_TABLE_LENGTH;
      inclLength = INITIAL_INCLUDE_TABLE_LENGTH;
      inclIndx = 0;
      inclIndx = 0;
    }
    }
  else if (inclIndx >= inclLength)
  else if (inclIndx >= inclLength)
    {
    {
      inclLength += INITIAL_INCLUDE_TABLE_LENGTH;
      inclLength += INITIAL_INCLUDE_TABLE_LENGTH;
      inclTable = (InclTable *)
      inclTable = (InclTable *)
        xrealloc (inclTable, sizeof (InclTable) * inclLength);
        xrealloc (inclTable, sizeof (InclTable) * inclLength);
      memset (inclTable + inclLength - INITIAL_INCLUDE_TABLE_LENGTH,
      memset (inclTable + inclLength - INITIAL_INCLUDE_TABLE_LENGTH,
              '\0', sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
              '\0', sizeof (InclTable) * INITIAL_INCLUDE_TABLE_LENGTH);
    }
    }
}
}
 
 
/* Global variable to pass the psymtab down to all the routines involved
/* Global variable to pass the psymtab down to all the routines involved
   in psymtab to symtab processing.  */
   in psymtab to symtab processing.  */
static struct partial_symtab *this_symtab_psymtab;
static struct partial_symtab *this_symtab_psymtab;
 
 
/* given the start and end addresses of a compilation unit (or a csect,
/* given the start and end addresses of a compilation unit (or a csect,
   at times) process its lines and create appropriate line vectors. */
   at times) process its lines and create appropriate line vectors. */
 
 
static void
static void
process_linenos (CORE_ADDR start, CORE_ADDR end)
process_linenos (CORE_ADDR start, CORE_ADDR end)
{
{
  int offset, ii;
  int offset, ii;
  file_ptr max_offset =
  file_ptr max_offset =
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)
  ->max_lineno_offset;
  ->max_lineno_offset;
 
 
  /* subfile structure for the main compilation unit.  */
  /* subfile structure for the main compilation unit.  */
  struct subfile main_subfile;
  struct subfile main_subfile;
 
 
  /* In the main source file, any time we see a function entry, we
  /* In the main source file, any time we see a function entry, we
     reset this variable to function's absolute starting line number.
     reset this variable to function's absolute starting line number.
     All the following line numbers in the function are relative to
     All the following line numbers in the function are relative to
     this, and we record absolute line numbers in record_line().  */
     this, and we record absolute line numbers in record_line().  */
 
 
  unsigned int main_source_baseline = 0;
  unsigned int main_source_baseline = 0;
 
 
  unsigned *firstLine;
  unsigned *firstLine;
 
 
  offset =
  offset =
    ((struct symloc *) this_symtab_psymtab->read_symtab_private)->lineno_off;
    ((struct symloc *) this_symtab_psymtab->read_symtab_private)->lineno_off;
  if (offset == 0)
  if (offset == 0)
    goto return_after_cleanup;
    goto return_after_cleanup;
 
 
  memset (&main_subfile, '\0', sizeof (main_subfile));
  memset (&main_subfile, '\0', sizeof (main_subfile));
 
 
  if (inclIndx == 0)
  if (inclIndx == 0)
    /* All source lines were in the main source file. None in include files. */
    /* All source lines were in the main source file. None in include files. */
 
 
    enter_line_range (&main_subfile, offset, 0, start, end,
    enter_line_range (&main_subfile, offset, 0, start, end,
                      &main_source_baseline);
                      &main_source_baseline);
 
 
  else
  else
    {
    {
      /* There was source with line numbers in include files.  */
      /* There was source with line numbers in include files.  */
 
 
      int linesz =
      int linesz =
        coff_data (this_symtab_psymtab->objfile->obfd)->local_linesz;
        coff_data (this_symtab_psymtab->objfile->obfd)->local_linesz;
      main_source_baseline = 0;
      main_source_baseline = 0;
 
 
      for (ii = 0; ii < inclIndx; ++ii)
      for (ii = 0; ii < inclIndx; ++ii)
        {
        {
          struct subfile *tmpSubfile;
          struct subfile *tmpSubfile;
 
 
          /* If there is main file source before include file, enter it.  */
          /* If there is main file source before include file, enter it.  */
          if (offset < inclTable[ii].begin)
          if (offset < inclTable[ii].begin)
            {
            {
              enter_line_range
              enter_line_range
                (&main_subfile, offset, inclTable[ii].begin - linesz,
                (&main_subfile, offset, inclTable[ii].begin - linesz,
                 start, 0, &main_source_baseline);
                 start, 0, &main_source_baseline);
            }
            }
 
 
          if (strcmp (inclTable[ii].name, last_source_file) == 0)
          if (strcmp (inclTable[ii].name, last_source_file) == 0)
            {
            {
              /* The entry in the include table refers to the main source
              /* The entry in the include table refers to the main source
                 file. Add the lines to the main subfile.  */
                 file. Add the lines to the main subfile.  */
 
 
              main_source_baseline = inclTable[ii].funStartLine;
              main_source_baseline = inclTable[ii].funStartLine;
              enter_line_range
              enter_line_range
                (&main_subfile, inclTable[ii].begin, inclTable[ii].end,
                (&main_subfile, inclTable[ii].begin, inclTable[ii].end,
                 start, 0, &main_source_baseline);
                 start, 0, &main_source_baseline);
              inclTable[ii].subfile = &main_subfile;
              inclTable[ii].subfile = &main_subfile;
            }
            }
          else
          else
            {
            {
 
 
              /* Have a new subfile for the include file.  */
              /* Have a new subfile for the include file.  */
 
 
              tmpSubfile = inclTable[ii].subfile =
              tmpSubfile = inclTable[ii].subfile =
                (struct subfile *) xmalloc (sizeof (struct subfile));
                (struct subfile *) xmalloc (sizeof (struct subfile));
 
 
              memset (tmpSubfile, '\0', sizeof (struct subfile));
              memset (tmpSubfile, '\0', sizeof (struct subfile));
              firstLine = &(inclTable[ii].funStartLine);
              firstLine = &(inclTable[ii].funStartLine);
 
 
              /* Enter include file's lines now.  */
              /* Enter include file's lines now.  */
              enter_line_range (tmpSubfile, inclTable[ii].begin,
              enter_line_range (tmpSubfile, inclTable[ii].begin,
                                inclTable[ii].end, start, 0, firstLine);
                                inclTable[ii].end, start, 0, firstLine);
            }
            }
 
 
          if (offset <= inclTable[ii].end)
          if (offset <= inclTable[ii].end)
            offset = inclTable[ii].end + linesz;
            offset = inclTable[ii].end + linesz;
        }
        }
 
 
      /* All the include files' line have been processed at this point.  Now,
      /* All the include files' line have been processed at this point.  Now,
         enter remaining lines of the main file, if any left.  */
         enter remaining lines of the main file, if any left.  */
      if (offset < max_offset + 1 - linesz)
      if (offset < max_offset + 1 - linesz)
        {
        {
          enter_line_range (&main_subfile, offset, 0, start, end,
          enter_line_range (&main_subfile, offset, 0, start, end,
                            &main_source_baseline);
                            &main_source_baseline);
        }
        }
    }
    }
 
 
  /* Process main file's line numbers.  */
  /* Process main file's line numbers.  */
  if (main_subfile.line_vector)
  if (main_subfile.line_vector)
    {
    {
      struct linetable *lineTb, *lv;
      struct linetable *lineTb, *lv;
 
 
      lv = main_subfile.line_vector;
      lv = main_subfile.line_vector;
 
 
      /* Line numbers are not necessarily ordered. xlc compilation will
      /* Line numbers are not necessarily ordered. xlc compilation will
         put static function to the end. */
         put static function to the end. */
 
 
      lineTb = arrange_linetable (lv);
      lineTb = arrange_linetable (lv);
      if (lv == lineTb)
      if (lv == lineTb)
        {
        {
          current_subfile->line_vector = (struct linetable *)
          current_subfile->line_vector = (struct linetable *)
            xrealloc (lv, (sizeof (struct linetable)
            xrealloc (lv, (sizeof (struct linetable)
                           + lv->nitems * sizeof (struct linetable_entry)));
                           + lv->nitems * sizeof (struct linetable_entry)));
        }
        }
      else
      else
        {
        {
          xfree (lv);
          xfree (lv);
          current_subfile->line_vector = lineTb;
          current_subfile->line_vector = lineTb;
        }
        }
 
 
      current_subfile->line_vector_length =
      current_subfile->line_vector_length =
        current_subfile->line_vector->nitems;
        current_subfile->line_vector->nitems;
    }
    }
 
 
  /* Now, process included files' line numbers.  */
  /* Now, process included files' line numbers.  */
 
 
  for (ii = 0; ii < inclIndx; ++ii)
  for (ii = 0; ii < inclIndx; ++ii)
    {
    {
      if (inclTable[ii].subfile != ((struct subfile *) &main_subfile)
      if (inclTable[ii].subfile != ((struct subfile *) &main_subfile)
          && (inclTable[ii].subfile)->line_vector)              /* Useless if!!! FIXMEmgo */
          && (inclTable[ii].subfile)->line_vector)              /* Useless if!!! FIXMEmgo */
        {
        {
          struct linetable *lineTb, *lv;
          struct linetable *lineTb, *lv;
 
 
          lv = (inclTable[ii].subfile)->line_vector;
          lv = (inclTable[ii].subfile)->line_vector;
 
 
          /* Line numbers are not necessarily ordered. xlc compilation will
          /* Line numbers are not necessarily ordered. xlc compilation will
             put static function to the end. */
             put static function to the end. */
 
 
          lineTb = arrange_linetable (lv);
          lineTb = arrange_linetable (lv);
 
 
          push_subfile ();
          push_subfile ();
 
 
          /* For the same include file, we might want to have more than one
          /* For the same include file, we might want to have more than one
             subfile.  This happens if we have something like:
             subfile.  This happens if we have something like:
 
 
             ......
             ......
             #include "foo.h"
             #include "foo.h"
             ......
             ......
             #include "foo.h"
             #include "foo.h"
             ......
             ......
 
 
             while foo.h including code in it. (stupid but possible)
             while foo.h including code in it. (stupid but possible)
             Since start_subfile() looks at the name and uses an
             Since start_subfile() looks at the name and uses an
             existing one if finds, we need to provide a fake name and
             existing one if finds, we need to provide a fake name and
             fool it.  */
             fool it.  */
 
 
#if 0
#if 0
          start_subfile (inclTable[ii].name, (char *) 0);
          start_subfile (inclTable[ii].name, (char *) 0);
#else
#else
          {
          {
            /* Pick a fake name that will produce the same results as this
            /* Pick a fake name that will produce the same results as this
               one when passed to deduce_language_from_filename.  Kludge on
               one when passed to deduce_language_from_filename.  Kludge on
               top of kludge.  */
               top of kludge.  */
            char *fakename = strrchr (inclTable[ii].name, '.');
            char *fakename = strrchr (inclTable[ii].name, '.');
            if (fakename == NULL)
            if (fakename == NULL)
              fakename = " ?";
              fakename = " ?";
            start_subfile (fakename, (char *) 0);
            start_subfile (fakename, (char *) 0);
            xfree (current_subfile->name);
            xfree (current_subfile->name);
          }
          }
          current_subfile->name = xstrdup (inclTable[ii].name);
          current_subfile->name = xstrdup (inclTable[ii].name);
#endif
#endif
 
 
          if (lv == lineTb)
          if (lv == lineTb)
            {
            {
              current_subfile->line_vector =
              current_subfile->line_vector =
                (struct linetable *) xrealloc
                (struct linetable *) xrealloc
                (lv, (sizeof (struct linetable)
                (lv, (sizeof (struct linetable)
                      + lv->nitems * sizeof (struct linetable_entry)));
                      + lv->nitems * sizeof (struct linetable_entry)));
 
 
            }
            }
          else
          else
            {
            {
              xfree (lv);
              xfree (lv);
              current_subfile->line_vector = lineTb;
              current_subfile->line_vector = lineTb;
            }
            }
 
 
          current_subfile->line_vector_length =
          current_subfile->line_vector_length =
            current_subfile->line_vector->nitems;
            current_subfile->line_vector->nitems;
          start_subfile (pop_subfile (), (char *) 0);
          start_subfile (pop_subfile (), (char *) 0);
        }
        }
    }
    }
 
 
return_after_cleanup:
return_after_cleanup:
 
 
  /* We don't want to keep alloc/free'ing the global include file table.  */
  /* We don't want to keep alloc/free'ing the global include file table.  */
  inclIndx = 0;
  inclIndx = 0;
 
 
  /* Start with a fresh subfile structure for the next file.  */
  /* Start with a fresh subfile structure for the next file.  */
  memset (&main_subfile, '\0', sizeof (struct subfile));
  memset (&main_subfile, '\0', sizeof (struct subfile));
}
}
 
 
static void
static void
aix_process_linenos (void)
aix_process_linenos (void)
{
{
  /* process line numbers and enter them into line vector */
  /* process line numbers and enter them into line vector */
  process_linenos (last_source_start_addr, cur_src_end_addr);
  process_linenos (last_source_start_addr, cur_src_end_addr);
}
}
 
 
 
 
/* Enter a given range of lines into the line vector.
/* Enter a given range of lines into the line vector.
   can be called in the following two ways:
   can be called in the following two ways:
   enter_line_range (subfile, beginoffset, endoffset, startaddr, 0, firstLine)  or
   enter_line_range (subfile, beginoffset, endoffset, startaddr, 0, firstLine)  or
   enter_line_range (subfile, beginoffset, 0, startaddr, endaddr, firstLine)
   enter_line_range (subfile, beginoffset, 0, startaddr, endaddr, firstLine)
 
 
   endoffset points to the last line table entry that we should pay
   endoffset points to the last line table entry that we should pay
   attention to.  */
   attention to.  */
 
 
static void
static void
enter_line_range (struct subfile *subfile, unsigned beginoffset, unsigned endoffset,    /* offsets to line table */
enter_line_range (struct subfile *subfile, unsigned beginoffset, unsigned endoffset,    /* offsets to line table */
                  CORE_ADDR startaddr,  /* offsets to line table */
                  CORE_ADDR startaddr,  /* offsets to line table */
                  CORE_ADDR endaddr, unsigned *firstLine)
                  CORE_ADDR endaddr, unsigned *firstLine)
{
{
  struct objfile *objfile = this_symtab_psymtab->objfile;
  struct objfile *objfile = this_symtab_psymtab->objfile;
  struct gdbarch *gdbarch = get_objfile_arch (objfile);
  struct gdbarch *gdbarch = get_objfile_arch (objfile);
  unsigned int curoffset;
  unsigned int curoffset;
  CORE_ADDR addr;
  CORE_ADDR addr;
  void *ext_lnno;
  void *ext_lnno;
  struct internal_lineno int_lnno;
  struct internal_lineno int_lnno;
  unsigned int limit_offset;
  unsigned int limit_offset;
  bfd *abfd;
  bfd *abfd;
  int linesz;
  int linesz;
 
 
  if (endoffset == 0 && startaddr == 0 && endaddr == 0)
  if (endoffset == 0 && startaddr == 0 && endaddr == 0)
    return;
    return;
  curoffset = beginoffset;
  curoffset = beginoffset;
  limit_offset =
  limit_offset =
    ((struct coff_symfile_info *) objfile->deprecated_sym_private)
    ((struct coff_symfile_info *) objfile->deprecated_sym_private)
    ->max_lineno_offset;
    ->max_lineno_offset;
 
 
  if (endoffset != 0)
  if (endoffset != 0)
    {
    {
      if (endoffset >= limit_offset)
      if (endoffset >= limit_offset)
        {
        {
          complaint (&symfile_complaints,
          complaint (&symfile_complaints,
                     _("Bad line table offset in C_EINCL directive"));
                     _("Bad line table offset in C_EINCL directive"));
          return;
          return;
        }
        }
      limit_offset = endoffset;
      limit_offset = endoffset;
    }
    }
  else
  else
    limit_offset -= 1;
    limit_offset -= 1;
 
 
  abfd = objfile->obfd;
  abfd = objfile->obfd;
  linesz = coff_data (abfd)->local_linesz;
  linesz = coff_data (abfd)->local_linesz;
  ext_lnno = alloca (linesz);
  ext_lnno = alloca (linesz);
 
 
  while (curoffset <= limit_offset)
  while (curoffset <= limit_offset)
    {
    {
      bfd_seek (abfd, curoffset, SEEK_SET);
      bfd_seek (abfd, curoffset, SEEK_SET);
      bfd_bread (ext_lnno, linesz, abfd);
      bfd_bread (ext_lnno, linesz, abfd);
      bfd_coff_swap_lineno_in (abfd, ext_lnno, &int_lnno);
      bfd_coff_swap_lineno_in (abfd, ext_lnno, &int_lnno);
 
 
      /* Find the address this line represents.  */
      /* Find the address this line represents.  */
      addr = (int_lnno.l_lnno
      addr = (int_lnno.l_lnno
              ? int_lnno.l_addr.l_paddr
              ? int_lnno.l_addr.l_paddr
              : read_symbol_nvalue (int_lnno.l_addr.l_symndx));
              : read_symbol_nvalue (int_lnno.l_addr.l_symndx));
      addr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
      addr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
 
 
      if (addr < startaddr || (endaddr && addr >= endaddr))
      if (addr < startaddr || (endaddr && addr >= endaddr))
        return;
        return;
 
 
      if (int_lnno.l_lnno == 0)
      if (int_lnno.l_lnno == 0)
        {
        {
          *firstLine = read_symbol_lineno (int_lnno.l_addr.l_symndx);
          *firstLine = read_symbol_lineno (int_lnno.l_addr.l_symndx);
          record_line (subfile, 0, gdbarch_addr_bits_remove (gdbarch, addr));
          record_line (subfile, 0, gdbarch_addr_bits_remove (gdbarch, addr));
          --(*firstLine);
          --(*firstLine);
        }
        }
      else
      else
        record_line (subfile, *firstLine + int_lnno.l_lnno,
        record_line (subfile, *firstLine + int_lnno.l_lnno,
                     gdbarch_addr_bits_remove (gdbarch, addr));
                     gdbarch_addr_bits_remove (gdbarch, addr));
      curoffset += linesz;
      curoffset += linesz;
    }
    }
}
}
 
 
 
 
/* Save the vital information for use when closing off the current file.
/* Save the vital information for use when closing off the current file.
   NAME is the file name the symbols came from, START_ADDR is the first
   NAME is the file name the symbols came from, START_ADDR is the first
   text address for the file, and SIZE is the number of bytes of text.  */
   text address for the file, and SIZE is the number of bytes of text.  */
 
 
#define complete_symtab(name, start_addr) {     \
#define complete_symtab(name, start_addr) {     \
  last_source_file = xstrdup (name);            \
  last_source_file = xstrdup (name);            \
  last_source_start_addr = start_addr;          \
  last_source_start_addr = start_addr;          \
}
}
 
 
 
 
/* Refill the symbol table input buffer
/* Refill the symbol table input buffer
   and set the variables that control fetching entries from it.
   and set the variables that control fetching entries from it.
   Reports an error if no data available.
   Reports an error if no data available.
   This function can read past the end of the symbol table
   This function can read past the end of the symbol table
   (into the string table) but this does no harm.  */
   (into the string table) but this does no harm.  */
 
 
/* Reading symbol table has to be fast! Keep the followings as macros, rather
/* Reading symbol table has to be fast! Keep the followings as macros, rather
   than functions. */
   than functions. */
 
 
#define RECORD_MINIMAL_SYMBOL(NAME, ADDR, TYPE, SECTION, OBJFILE) \
#define RECORD_MINIMAL_SYMBOL(NAME, ADDR, TYPE, SECTION, OBJFILE) \
{                                               \
{                                               \
  char *namestr;                                \
  char *namestr;                                \
  namestr = (NAME); \
  namestr = (NAME); \
  if (namestr[0] == '.') ++namestr; \
  if (namestr[0] == '.') ++namestr; \
  prim_record_minimal_symbol_and_info (namestr, (ADDR), (TYPE), \
  prim_record_minimal_symbol_and_info (namestr, (ADDR), (TYPE), \
                                       (SECTION), (asection *)NULL, (OBJFILE)); \
                                       (SECTION), (asection *)NULL, (OBJFILE)); \
  misc_func_recorded = 1;                                       \
  misc_func_recorded = 1;                                       \
}
}
 
 
 
 
/* xcoff has static blocks marked in `.bs', `.es' pairs. They cannot be
/* xcoff has static blocks marked in `.bs', `.es' pairs. They cannot be
   nested. At any given time, a symbol can only be in one static block.
   nested. At any given time, a symbol can only be in one static block.
   This is the base address of current static block, zero if non exists. */
   This is the base address of current static block, zero if non exists. */
 
 
static int static_block_base = 0;
static int static_block_base = 0;
 
 
/* Section number for the current static block.  */
/* Section number for the current static block.  */
 
 
static int static_block_section = -1;
static int static_block_section = -1;
 
 
/* true if space for symbol name has been allocated. */
/* true if space for symbol name has been allocated. */
 
 
static int symname_alloced = 0;
static int symname_alloced = 0;
 
 
/* Next symbol to read.  Pointer into raw seething symbol table.  */
/* Next symbol to read.  Pointer into raw seething symbol table.  */
 
 
static char *raw_symbol;
static char *raw_symbol;
 
 
/* This is the function which stabsread.c calls to get symbol
/* This is the function which stabsread.c calls to get symbol
   continuations.  */
   continuations.  */
 
 
static char *
static char *
xcoff_next_symbol_text (struct objfile *objfile)
xcoff_next_symbol_text (struct objfile *objfile)
{
{
  struct internal_syment symbol;
  struct internal_syment symbol;
  char *retval;
  char *retval;
  /* FIXME: is this the same as the passed arg? */
  /* FIXME: is this the same as the passed arg? */
  if (this_symtab_psymtab)
  if (this_symtab_psymtab)
    objfile = this_symtab_psymtab->objfile;
    objfile = this_symtab_psymtab->objfile;
 
 
  bfd_coff_swap_sym_in (objfile->obfd, raw_symbol, &symbol);
  bfd_coff_swap_sym_in (objfile->obfd, raw_symbol, &symbol);
  if (symbol.n_zeroes)
  if (symbol.n_zeroes)
    {
    {
      complaint (&symfile_complaints, _("Unexpected symbol continuation"));
      complaint (&symfile_complaints, _("Unexpected symbol continuation"));
 
 
      /* Return something which points to '\0' and hope the symbol reading
      /* Return something which points to '\0' and hope the symbol reading
         code does something reasonable.  */
         code does something reasonable.  */
      retval = "";
      retval = "";
    }
    }
  else if (symbol.n_sclass & 0x80)
  else if (symbol.n_sclass & 0x80)
    {
    {
      retval =
      retval =
        ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec
        ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec
        + symbol.n_offset;
        + symbol.n_offset;
      raw_symbol +=
      raw_symbol +=
        coff_data (objfile->obfd)->local_symesz;
        coff_data (objfile->obfd)->local_symesz;
      ++symnum;
      ++symnum;
    }
    }
  else
  else
    {
    {
      complaint (&symfile_complaints, _("Unexpected symbol continuation"));
      complaint (&symfile_complaints, _("Unexpected symbol continuation"));
 
 
      /* Return something which points to '\0' and hope the symbol reading
      /* Return something which points to '\0' and hope the symbol reading
         code does something reasonable.  */
         code does something reasonable.  */
      retval = "";
      retval = "";
    }
    }
  return retval;
  return retval;
}
}
 
 
/* Read symbols for a given partial symbol table.  */
/* Read symbols for a given partial symbol table.  */
 
 
static void
static void
read_xcoff_symtab (struct partial_symtab *pst)
read_xcoff_symtab (struct partial_symtab *pst)
{
{
  struct objfile *objfile = pst->objfile;
  struct objfile *objfile = pst->objfile;
  bfd *abfd = objfile->obfd;
  bfd *abfd = objfile->obfd;
  char *raw_auxptr;             /* Pointer to first raw aux entry for sym */
  char *raw_auxptr;             /* Pointer to first raw aux entry for sym */
  char *strtbl = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl;
  char *strtbl = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl;
  char *debugsec =
  char *debugsec =
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec;
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec;
  char *debugfmt = bfd_xcoff_is_xcoff64 (abfd) ? "XCOFF64" : "XCOFF";
  char *debugfmt = bfd_xcoff_is_xcoff64 (abfd) ? "XCOFF64" : "XCOFF";
 
 
  struct internal_syment symbol[1];
  struct internal_syment symbol[1];
  union internal_auxent main_aux;
  union internal_auxent main_aux;
  struct coff_symbol cs[1];
  struct coff_symbol cs[1];
  CORE_ADDR file_start_addr = 0;
  CORE_ADDR file_start_addr = 0;
  CORE_ADDR file_end_addr = 0;
  CORE_ADDR file_end_addr = 0;
 
 
  int next_file_symnum = -1;
  int next_file_symnum = -1;
  unsigned int max_symnum;
  unsigned int max_symnum;
  int just_started = 1;
  int just_started = 1;
  int depth = 0;
  int depth = 0;
  int fcn_start_addr = 0;
  int fcn_start_addr = 0;
 
 
  struct coff_symbol fcn_stab_saved = { 0 };
  struct coff_symbol fcn_stab_saved = { 0 };
 
 
  /* fcn_cs_saved is global because process_xcoff_symbol needs it. */
  /* fcn_cs_saved is global because process_xcoff_symbol needs it. */
  union internal_auxent fcn_aux_saved;
  union internal_auxent fcn_aux_saved;
  struct context_stack *new;
  struct context_stack *new;
 
 
  char *filestring = " _start_ ";       /* Name of the current file. */
  char *filestring = " _start_ ";       /* Name of the current file. */
 
 
  char *last_csect_name;        /* last seen csect's name and value */
  char *last_csect_name;        /* last seen csect's name and value */
  CORE_ADDR last_csect_val;
  CORE_ADDR last_csect_val;
  int last_csect_sec;
  int last_csect_sec;
 
 
  this_symtab_psymtab = pst;
  this_symtab_psymtab = pst;
 
 
  /* Get the appropriate COFF "constants" related to the file we're
  /* Get the appropriate COFF "constants" related to the file we're
     handling. */
     handling. */
  local_symesz = coff_data (abfd)->local_symesz;
  local_symesz = coff_data (abfd)->local_symesz;
 
 
  last_source_file = NULL;
  last_source_file = NULL;
  last_csect_name = 0;
  last_csect_name = 0;
  last_csect_val = 0;
  last_csect_val = 0;
 
 
  start_stabs ();
  start_stabs ();
  start_symtab (filestring, (char *) NULL, file_start_addr);
  start_symtab (filestring, (char *) NULL, file_start_addr);
  record_debugformat (debugfmt);
  record_debugformat (debugfmt);
  symnum = ((struct symloc *) pst->read_symtab_private)->first_symnum;
  symnum = ((struct symloc *) pst->read_symtab_private)->first_symnum;
  max_symnum =
  max_symnum =
    symnum + ((struct symloc *) pst->read_symtab_private)->numsyms;
    symnum + ((struct symloc *) pst->read_symtab_private)->numsyms;
  first_object_file_end = 0;
  first_object_file_end = 0;
 
 
  raw_symbol =
  raw_symbol =
    ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl
    ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl
    + symnum * local_symesz;
    + symnum * local_symesz;
 
 
  while (symnum < max_symnum)
  while (symnum < max_symnum)
    {
    {
 
 
      QUIT;                     /* make this command interruptable.  */
      QUIT;                     /* make this command interruptable.  */
 
 
      /* READ_ONE_SYMBOL (symbol, cs, symname_alloced); */
      /* READ_ONE_SYMBOL (symbol, cs, symname_alloced); */
      /* read one symbol into `cs' structure. After processing the
      /* read one symbol into `cs' structure. After processing the
         whole symbol table, only string table will be kept in memory,
         whole symbol table, only string table will be kept in memory,
         symbol table and debug section of xcoff will be freed. Thus
         symbol table and debug section of xcoff will be freed. Thus
         we can mark symbols with names in string table as
         we can mark symbols with names in string table as
         `alloced'. */
         `alloced'. */
      {
      {
        int ii;
        int ii;
 
 
        /* Swap and align the symbol into a reasonable C structure.  */
        /* Swap and align the symbol into a reasonable C structure.  */
        bfd_coff_swap_sym_in (abfd, raw_symbol, symbol);
        bfd_coff_swap_sym_in (abfd, raw_symbol, symbol);
 
 
        cs->c_symnum = symnum;
        cs->c_symnum = symnum;
        cs->c_naux = symbol->n_numaux;
        cs->c_naux = symbol->n_numaux;
        if (symbol->n_zeroes)
        if (symbol->n_zeroes)
          {
          {
            symname_alloced = 0;
            symname_alloced = 0;
            /* We must use the original, unswapped, name here so the name field
            /* We must use the original, unswapped, name here so the name field
               pointed to by cs->c_name will persist throughout xcoffread.  If
               pointed to by cs->c_name will persist throughout xcoffread.  If
               we use the new field, it gets overwritten for each symbol.  */
               we use the new field, it gets overwritten for each symbol.  */
            cs->c_name = ((struct external_syment *) raw_symbol)->e.e_name;
            cs->c_name = ((struct external_syment *) raw_symbol)->e.e_name;
            /* If it's exactly E_SYMNMLEN characters long it isn't
            /* If it's exactly E_SYMNMLEN characters long it isn't
               '\0'-terminated.  */
               '\0'-terminated.  */
            if (cs->c_name[E_SYMNMLEN - 1] != '\0')
            if (cs->c_name[E_SYMNMLEN - 1] != '\0')
              {
              {
                char *p;
                char *p;
                p = obstack_alloc (&objfile->objfile_obstack, E_SYMNMLEN + 1);
                p = obstack_alloc (&objfile->objfile_obstack, E_SYMNMLEN + 1);
                strncpy (p, cs->c_name, E_SYMNMLEN);
                strncpy (p, cs->c_name, E_SYMNMLEN);
                p[E_SYMNMLEN] = '\0';
                p[E_SYMNMLEN] = '\0';
                cs->c_name = p;
                cs->c_name = p;
                symname_alloced = 1;
                symname_alloced = 1;
              }
              }
          }
          }
        else if (symbol->n_sclass & 0x80)
        else if (symbol->n_sclass & 0x80)
          {
          {
            cs->c_name = debugsec + symbol->n_offset;
            cs->c_name = debugsec + symbol->n_offset;
            symname_alloced = 0;
            symname_alloced = 0;
          }
          }
        else
        else
          {
          {
            /* in string table */
            /* in string table */
            cs->c_name = strtbl + (int) symbol->n_offset;
            cs->c_name = strtbl + (int) symbol->n_offset;
            symname_alloced = 1;
            symname_alloced = 1;
          }
          }
        cs->c_value = symbol->n_value;
        cs->c_value = symbol->n_value;
        cs->c_sclass = symbol->n_sclass;
        cs->c_sclass = symbol->n_sclass;
        cs->c_secnum = symbol->n_scnum;
        cs->c_secnum = symbol->n_scnum;
        cs->c_type = (unsigned) symbol->n_type;
        cs->c_type = (unsigned) symbol->n_type;
 
 
        raw_symbol += local_symesz;
        raw_symbol += local_symesz;
        ++symnum;
        ++symnum;
 
 
        /* Save addr of first aux entry.  */
        /* Save addr of first aux entry.  */
        raw_auxptr = raw_symbol;
        raw_auxptr = raw_symbol;
 
 
        /* Skip all the auxents associated with this symbol.  */
        /* Skip all the auxents associated with this symbol.  */
        for (ii = symbol->n_numaux; ii; --ii)
        for (ii = symbol->n_numaux; ii; --ii)
          {
          {
            raw_symbol += coff_data (abfd)->local_auxesz;
            raw_symbol += coff_data (abfd)->local_auxesz;
            ++symnum;
            ++symnum;
          }
          }
      }
      }
 
 
      /* if symbol name starts with ".$" or "$", ignore it. */
      /* if symbol name starts with ".$" or "$", ignore it. */
      if (cs->c_name[0] == '$'
      if (cs->c_name[0] == '$'
          || (cs->c_name[1] == '$' && cs->c_name[0] == '.'))
          || (cs->c_name[1] == '$' && cs->c_name[0] == '.'))
        continue;
        continue;
 
 
      if (cs->c_symnum == next_file_symnum && cs->c_sclass != C_FILE)
      if (cs->c_symnum == next_file_symnum && cs->c_sclass != C_FILE)
        {
        {
          if (last_source_file)
          if (last_source_file)
            {
            {
              pst->symtab =
              pst->symtab =
                end_symtab (cur_src_end_addr, objfile, SECT_OFF_TEXT (objfile));
                end_symtab (cur_src_end_addr, objfile, SECT_OFF_TEXT (objfile));
              end_stabs ();
              end_stabs ();
            }
            }
 
 
          start_stabs ();
          start_stabs ();
          start_symtab ("_globals_", (char *) NULL, (CORE_ADDR) 0);
          start_symtab ("_globals_", (char *) NULL, (CORE_ADDR) 0);
          record_debugformat (debugfmt);
          record_debugformat (debugfmt);
          cur_src_end_addr = first_object_file_end;
          cur_src_end_addr = first_object_file_end;
          /* done with all files, everything from here on is globals */
          /* done with all files, everything from here on is globals */
        }
        }
 
 
      if ((cs->c_sclass == C_EXT || cs->c_sclass == C_HIDEXT)
      if ((cs->c_sclass == C_EXT || cs->c_sclass == C_HIDEXT)
          && cs->c_naux == 1)
          && cs->c_naux == 1)
        {
        {
          /* Dealing with a symbol with a csect entry.  */
          /* Dealing with a symbol with a csect entry.  */
 
 
#define CSECT(PP) ((PP)->x_csect)
#define CSECT(PP) ((PP)->x_csect)
#define CSECT_LEN(PP) (CSECT(PP).x_scnlen.l)
#define CSECT_LEN(PP) (CSECT(PP).x_scnlen.l)
#define CSECT_ALIGN(PP) (SMTYP_ALIGN(CSECT(PP).x_smtyp))
#define CSECT_ALIGN(PP) (SMTYP_ALIGN(CSECT(PP).x_smtyp))
#define CSECT_SMTYP(PP) (SMTYP_SMTYP(CSECT(PP).x_smtyp))
#define CSECT_SMTYP(PP) (SMTYP_SMTYP(CSECT(PP).x_smtyp))
#define CSECT_SCLAS(PP) (CSECT(PP).x_smclas)
#define CSECT_SCLAS(PP) (CSECT(PP).x_smclas)
 
 
          /* Convert the auxent to something we can access.  */
          /* Convert the auxent to something we can access.  */
          bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
          bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
                                0, cs->c_naux, &main_aux);
                                0, cs->c_naux, &main_aux);
 
 
          switch (CSECT_SMTYP (&main_aux))
          switch (CSECT_SMTYP (&main_aux))
            {
            {
 
 
            case XTY_ER:
            case XTY_ER:
              /* Ignore all external references.  */
              /* Ignore all external references.  */
              continue;
              continue;
 
 
            case XTY_SD:
            case XTY_SD:
              /* A section description.  */
              /* A section description.  */
              {
              {
                switch (CSECT_SCLAS (&main_aux))
                switch (CSECT_SCLAS (&main_aux))
                  {
                  {
 
 
                  case XMC_PR:
                  case XMC_PR:
                    {
                    {
 
 
                      /* A program csect is seen.  We have to allocate one
                      /* A program csect is seen.  We have to allocate one
                         symbol table for each program csect.  Normally gdb
                         symbol table for each program csect.  Normally gdb
                         prefers one symtab for each source file.  In case
                         prefers one symtab for each source file.  In case
                         of AIX, one source file might include more than one
                         of AIX, one source file might include more than one
                         [PR] csect, and they don't have to be adjacent in
                         [PR] csect, and they don't have to be adjacent in
                         terms of the space they occupy in memory. Thus, one
                         terms of the space they occupy in memory. Thus, one
                         single source file might get fragmented in the
                         single source file might get fragmented in the
                         memory and gdb's file start and end address
                         memory and gdb's file start and end address
                         approach does not work!  GCC (and I think xlc) seem
                         approach does not work!  GCC (and I think xlc) seem
                         to put all the code in the unnamed program csect.  */
                         to put all the code in the unnamed program csect.  */
 
 
                      if (last_csect_name)
                      if (last_csect_name)
                        {
                        {
                          complete_symtab (filestring, file_start_addr);
                          complete_symtab (filestring, file_start_addr);
                          cur_src_end_addr = file_end_addr;
                          cur_src_end_addr = file_end_addr;
                          end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
                          end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
                          end_stabs ();
                          end_stabs ();
                          start_stabs ();
                          start_stabs ();
                          /* Give all csects for this source file the same
                          /* Give all csects for this source file the same
                             name.  */
                             name.  */
                          start_symtab (filestring, NULL, (CORE_ADDR) 0);
                          start_symtab (filestring, NULL, (CORE_ADDR) 0);
                          record_debugformat (debugfmt);
                          record_debugformat (debugfmt);
                        }
                        }
 
 
                      /* If this is the very first csect seen,
                      /* If this is the very first csect seen,
                         basically `__start'. */
                         basically `__start'. */
                      if (just_started)
                      if (just_started)
                        {
                        {
                          first_object_file_end
                          first_object_file_end
                            = cs->c_value + CSECT_LEN (&main_aux);
                            = cs->c_value + CSECT_LEN (&main_aux);
                          just_started = 0;
                          just_started = 0;
                        }
                        }
 
 
                      file_start_addr =
                      file_start_addr =
                        cs->c_value + ANOFFSET (objfile->section_offsets,
                        cs->c_value + ANOFFSET (objfile->section_offsets,
                                                SECT_OFF_TEXT (objfile));
                                                SECT_OFF_TEXT (objfile));
                      file_end_addr = file_start_addr + CSECT_LEN (&main_aux);
                      file_end_addr = file_start_addr + CSECT_LEN (&main_aux);
 
 
                      if (cs->c_name && (cs->c_name[0] == '.'
                      if (cs->c_name && (cs->c_name[0] == '.'
                                         || cs->c_name[0] == '@'))
                                         || cs->c_name[0] == '@'))
                        {
                        {
                          last_csect_name = cs->c_name;
                          last_csect_name = cs->c_name;
                          last_csect_val = cs->c_value;
                          last_csect_val = cs->c_value;
                          last_csect_sec = secnum_to_section (cs->c_secnum, objfile);
                          last_csect_sec = secnum_to_section (cs->c_secnum, objfile);
                        }
                        }
                    }
                    }
                    continue;
                    continue;
 
 
                    /* All other symbols are put into the minimal symbol
                    /* All other symbols are put into the minimal symbol
                       table only.  */
                       table only.  */
 
 
                  case XMC_RW:
                  case XMC_RW:
                    continue;
                    continue;
 
 
                  case XMC_TC0:
                  case XMC_TC0:
                    continue;
                    continue;
 
 
                  case XMC_TC:
                  case XMC_TC:
                    continue;
                    continue;
 
 
                  default:
                  default:
                    /* Ignore the symbol.  */
                    /* Ignore the symbol.  */
                    continue;
                    continue;
                  }
                  }
              }
              }
              break;
              break;
 
 
            case XTY_LD:
            case XTY_LD:
 
 
              switch (CSECT_SCLAS (&main_aux))
              switch (CSECT_SCLAS (&main_aux))
                {
                {
                case XMC_PR:
                case XMC_PR:
                  /* a function entry point. */
                  /* a function entry point. */
                function_entry_point:
                function_entry_point:
 
 
                  fcn_start_addr = cs->c_value;
                  fcn_start_addr = cs->c_value;
 
 
                  /* save the function header info, which will be used
                  /* save the function header info, which will be used
                     when `.bf' is seen. */
                     when `.bf' is seen. */
                  fcn_cs_saved = *cs;
                  fcn_cs_saved = *cs;
                  fcn_aux_saved = main_aux;
                  fcn_aux_saved = main_aux;
                  continue;
                  continue;
 
 
                case XMC_GL:
                case XMC_GL:
                  /* shared library function trampoline code entry point. */
                  /* shared library function trampoline code entry point. */
                  continue;
                  continue;
 
 
                case XMC_DS:
                case XMC_DS:
                  /* The symbols often have the same names as debug symbols for
                  /* The symbols often have the same names as debug symbols for
                     functions, and confuse lookup_symbol.  */
                     functions, and confuse lookup_symbol.  */
                  continue;
                  continue;
 
 
                default:
                default:
                  /* xlc puts each variable in a separate csect, so we get
                  /* xlc puts each variable in a separate csect, so we get
                     an XTY_SD for each variable.  But gcc puts several
                     an XTY_SD for each variable.  But gcc puts several
                     variables in a csect, so that each variable only gets
                     variables in a csect, so that each variable only gets
                     an XTY_LD. This will typically be XMC_RW; I suspect
                     an XTY_LD. This will typically be XMC_RW; I suspect
                     XMC_RO and XMC_BS might be possible too.
                     XMC_RO and XMC_BS might be possible too.
                     These variables are put in the minimal symbol table
                     These variables are put in the minimal symbol table
                     only.  */
                     only.  */
                  continue;
                  continue;
                }
                }
              break;
              break;
 
 
            case XTY_CM:
            case XTY_CM:
              /* Common symbols are put into the minimal symbol table only.  */
              /* Common symbols are put into the minimal symbol table only.  */
              continue;
              continue;
 
 
            default:
            default:
              break;
              break;
            }
            }
        }
        }
 
 
      /* If explicitly specified as a function, treat is as one.  This check
      /* If explicitly specified as a function, treat is as one.  This check
         evaluates to true for @FIX* bigtoc CSECT symbols, so it must occur
         evaluates to true for @FIX* bigtoc CSECT symbols, so it must occur
         after the above CSECT check.  */
         after the above CSECT check.  */
      if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
      if (ISFCN (cs->c_type) && cs->c_sclass != C_TPDEF)
        {
        {
          bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
          bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
                                0, cs->c_naux, &main_aux);
                                0, cs->c_naux, &main_aux);
          goto function_entry_point;
          goto function_entry_point;
        }
        }
 
 
      switch (cs->c_sclass)
      switch (cs->c_sclass)
        {
        {
 
 
        case C_FILE:
        case C_FILE:
 
 
          /* c_value field contains symnum of next .file entry in table
          /* c_value field contains symnum of next .file entry in table
             or symnum of first global after last .file. */
             or symnum of first global after last .file. */
 
 
          next_file_symnum = cs->c_value;
          next_file_symnum = cs->c_value;
 
 
          /* Complete symbol table for last object file containing
          /* Complete symbol table for last object file containing
             debugging information. */
             debugging information. */
 
 
          /* Whether or not there was a csect in the previous file, we
          /* Whether or not there was a csect in the previous file, we
             have to call `end_stabs' and `start_stabs' to reset
             have to call `end_stabs' and `start_stabs' to reset
             type_vector, line_vector, etc. structures.  */
             type_vector, line_vector, etc. structures.  */
 
 
          complete_symtab (filestring, file_start_addr);
          complete_symtab (filestring, file_start_addr);
          cur_src_end_addr = file_end_addr;
          cur_src_end_addr = file_end_addr;
          end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
          end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
          end_stabs ();
          end_stabs ();
 
 
          /* XCOFF, according to the AIX 3.2 documentation, puts the filename
          /* XCOFF, according to the AIX 3.2 documentation, puts the filename
             in cs->c_name.  But xlc 1.3.0.2 has decided to do things the
             in cs->c_name.  But xlc 1.3.0.2 has decided to do things the
             standard COFF way and put it in the auxent.  We use the auxent if
             standard COFF way and put it in the auxent.  We use the auxent if
             the symbol is ".file" and an auxent exists, otherwise use the symbol
             the symbol is ".file" and an auxent exists, otherwise use the symbol
             itself.  Simple enough.  */
             itself.  Simple enough.  */
          if (!strcmp (cs->c_name, ".file") && cs->c_naux > 0)
          if (!strcmp (cs->c_name, ".file") && cs->c_naux > 0)
            {
            {
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
                                    0, cs->c_naux, &main_aux);
                                    0, cs->c_naux, &main_aux);
              filestring = coff_getfilename (&main_aux, objfile);
              filestring = coff_getfilename (&main_aux, objfile);
            }
            }
          else
          else
            filestring = cs->c_name;
            filestring = cs->c_name;
 
 
          start_stabs ();
          start_stabs ();
          start_symtab (filestring, (char *) NULL, (CORE_ADDR) 0);
          start_symtab (filestring, (char *) NULL, (CORE_ADDR) 0);
          record_debugformat (debugfmt);
          record_debugformat (debugfmt);
          last_csect_name = 0;
          last_csect_name = 0;
 
 
          /* reset file start and end addresses. A compilation unit with no text
          /* reset file start and end addresses. A compilation unit with no text
             (only data) should have zero file boundaries. */
             (only data) should have zero file boundaries. */
          file_start_addr = file_end_addr = 0;
          file_start_addr = file_end_addr = 0;
          break;
          break;
 
 
        case C_FUN:
        case C_FUN:
          fcn_stab_saved = *cs;
          fcn_stab_saved = *cs;
          break;
          break;
 
 
        case C_FCN:
        case C_FCN:
          if (strcmp (cs->c_name, ".bf") == 0)
          if (strcmp (cs->c_name, ".bf") == 0)
            {
            {
              CORE_ADDR off = ANOFFSET (objfile->section_offsets,
              CORE_ADDR off = ANOFFSET (objfile->section_offsets,
                                        SECT_OFF_TEXT (objfile));
                                        SECT_OFF_TEXT (objfile));
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
                                    0, cs->c_naux, &main_aux);
                                    0, cs->c_naux, &main_aux);
 
 
              within_function = 1;
              within_function = 1;
 
 
              new = push_context (0, fcn_start_addr + off);
              new = push_context (0, fcn_start_addr + off);
 
 
              new->name = define_symbol
              new->name = define_symbol
                (fcn_cs_saved.c_value + off,
                (fcn_cs_saved.c_value + off,
                 fcn_stab_saved.c_name, 0, 0, objfile);
                 fcn_stab_saved.c_name, 0, 0, objfile);
              if (new->name != NULL)
              if (new->name != NULL)
                SYMBOL_SECTION (new->name) = SECT_OFF_TEXT (objfile);
                SYMBOL_SECTION (new->name) = SECT_OFF_TEXT (objfile);
            }
            }
          else if (strcmp (cs->c_name, ".ef") == 0)
          else if (strcmp (cs->c_name, ".ef") == 0)
            {
            {
 
 
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
              bfd_coff_swap_aux_in (abfd, raw_auxptr, cs->c_type, cs->c_sclass,
                                    0, cs->c_naux, &main_aux);
                                    0, cs->c_naux, &main_aux);
 
 
              /* The value of .ef is the address of epilogue code;
              /* The value of .ef is the address of epilogue code;
                 not useful for gdb.  */
                 not useful for gdb.  */
              /* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
              /* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
                 contains number of lines to '}' */
                 contains number of lines to '}' */
 
 
              if (context_stack_depth <= 0)
              if (context_stack_depth <= 0)
                {               /* We attempted to pop an empty context stack */
                {               /* We attempted to pop an empty context stack */
                  ef_complaint (cs->c_symnum);
                  ef_complaint (cs->c_symnum);
                  within_function = 0;
                  within_function = 0;
                  break;
                  break;
                }
                }
              new = pop_context ();
              new = pop_context ();
              /* Stack must be empty now.  */
              /* Stack must be empty now.  */
              if (context_stack_depth > 0 || new == NULL)
              if (context_stack_depth > 0 || new == NULL)
                {
                {
                  ef_complaint (cs->c_symnum);
                  ef_complaint (cs->c_symnum);
                  within_function = 0;
                  within_function = 0;
                  break;
                  break;
                }
                }
 
 
              finish_block (new->name, &local_symbols, new->old_blocks,
              finish_block (new->name, &local_symbols, new->old_blocks,
                            new->start_addr,
                            new->start_addr,
                            (fcn_cs_saved.c_value
                            (fcn_cs_saved.c_value
                             + fcn_aux_saved.x_sym.x_misc.x_fsize
                             + fcn_aux_saved.x_sym.x_misc.x_fsize
                             + ANOFFSET (objfile->section_offsets,
                             + ANOFFSET (objfile->section_offsets,
                                         SECT_OFF_TEXT (objfile))),
                                         SECT_OFF_TEXT (objfile))),
                            objfile);
                            objfile);
              within_function = 0;
              within_function = 0;
            }
            }
          break;
          break;
 
 
        case C_BSTAT:
        case C_BSTAT:
          /* Begin static block.  */
          /* Begin static block.  */
          {
          {
            struct internal_syment symbol;
            struct internal_syment symbol;
 
 
            read_symbol (&symbol, cs->c_value);
            read_symbol (&symbol, cs->c_value);
            static_block_base = symbol.n_value;
            static_block_base = symbol.n_value;
            static_block_section =
            static_block_section =
              secnum_to_section (symbol.n_scnum, objfile);
              secnum_to_section (symbol.n_scnum, objfile);
          }
          }
          break;
          break;
 
 
        case C_ESTAT:
        case C_ESTAT:
          /* End of static block.  */
          /* End of static block.  */
          static_block_base = 0;
          static_block_base = 0;
          static_block_section = -1;
          static_block_section = -1;
          break;
          break;
 
 
        case C_ARG:
        case C_ARG:
        case C_REGPARM:
        case C_REGPARM:
        case C_REG:
        case C_REG:
        case C_TPDEF:
        case C_TPDEF:
        case C_STRTAG:
        case C_STRTAG:
        case C_UNTAG:
        case C_UNTAG:
        case C_ENTAG:
        case C_ENTAG:
          {
          {
            complaint (&symfile_complaints, _("Unrecognized storage class %d."),
            complaint (&symfile_complaints, _("Unrecognized storage class %d."),
                       cs->c_sclass);
                       cs->c_sclass);
          }
          }
          break;
          break;
 
 
        case C_LABEL:
        case C_LABEL:
        case C_NULL:
        case C_NULL:
          /* Ignore these.  */
          /* Ignore these.  */
          break;
          break;
 
 
        case C_HIDEXT:
        case C_HIDEXT:
        case C_STAT:
        case C_STAT:
          break;
          break;
 
 
        case C_BINCL:
        case C_BINCL:
          /* beginning of include file */
          /* beginning of include file */
          /* In xlc output, C_BINCL/C_EINCL pair doesn't show up in sorted
          /* In xlc output, C_BINCL/C_EINCL pair doesn't show up in sorted
             order. Thus, when wee see them, we might not know enough info
             order. Thus, when wee see them, we might not know enough info
             to process them. Thus, we'll be saving them into a table
             to process them. Thus, we'll be saving them into a table
             (inclTable) and postpone their processing. */
             (inclTable) and postpone their processing. */
 
 
          record_include_begin (cs);
          record_include_begin (cs);
          break;
          break;
 
 
        case C_EINCL:
        case C_EINCL:
          /* End of include file.  */
          /* End of include file.  */
          /* See the comment after case C_BINCL.  */
          /* See the comment after case C_BINCL.  */
          record_include_end (cs);
          record_include_end (cs);
          break;
          break;
 
 
        case C_BLOCK:
        case C_BLOCK:
          if (strcmp (cs->c_name, ".bb") == 0)
          if (strcmp (cs->c_name, ".bb") == 0)
            {
            {
              depth++;
              depth++;
              new = push_context (depth,
              new = push_context (depth,
                                  (cs->c_value
                                  (cs->c_value
                                   + ANOFFSET (objfile->section_offsets,
                                   + ANOFFSET (objfile->section_offsets,
                                               SECT_OFF_TEXT (objfile))));
                                               SECT_OFF_TEXT (objfile))));
            }
            }
          else if (strcmp (cs->c_name, ".eb") == 0)
          else if (strcmp (cs->c_name, ".eb") == 0)
            {
            {
              if (context_stack_depth <= 0)
              if (context_stack_depth <= 0)
                {               /* We attempted to pop an empty context stack */
                {               /* We attempted to pop an empty context stack */
                  eb_complaint (cs->c_symnum);
                  eb_complaint (cs->c_symnum);
                  break;
                  break;
                }
                }
              new = pop_context ();
              new = pop_context ();
              if (depth-- != new->depth)
              if (depth-- != new->depth)
                {
                {
                  eb_complaint (cs->c_symnum);
                  eb_complaint (cs->c_symnum);
                  break;
                  break;
                }
                }
              if (local_symbols && context_stack_depth > 0)
              if (local_symbols && context_stack_depth > 0)
                {
                {
                  /* Make a block for the local symbols within.  */
                  /* Make a block for the local symbols within.  */
                  finish_block (new->name, &local_symbols, new->old_blocks,
                  finish_block (new->name, &local_symbols, new->old_blocks,
                                new->start_addr,
                                new->start_addr,
                                (cs->c_value
                                (cs->c_value
                                 + ANOFFSET (objfile->section_offsets,
                                 + ANOFFSET (objfile->section_offsets,
                                             SECT_OFF_TEXT (objfile))),
                                             SECT_OFF_TEXT (objfile))),
                                objfile);
                                objfile);
                }
                }
              local_symbols = new->locals;
              local_symbols = new->locals;
            }
            }
          break;
          break;
 
 
        default:
        default:
          process_xcoff_symbol (cs, objfile);
          process_xcoff_symbol (cs, objfile);
          break;
          break;
        }
        }
    }
    }
 
 
  if (last_source_file)
  if (last_source_file)
    {
    {
      struct symtab *s;
      struct symtab *s;
 
 
      complete_symtab (filestring, file_start_addr);
      complete_symtab (filestring, file_start_addr);
      cur_src_end_addr = file_end_addr;
      cur_src_end_addr = file_end_addr;
      s = end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
      s = end_symtab (file_end_addr, objfile, SECT_OFF_TEXT (objfile));
      /* When reading symbols for the last C_FILE of the objfile, try
      /* When reading symbols for the last C_FILE of the objfile, try
         to make sure that we set pst->symtab to the symtab for the
         to make sure that we set pst->symtab to the symtab for the
         file, not to the _globals_ symtab.  I'm not sure whether this
         file, not to the _globals_ symtab.  I'm not sure whether this
         actually works right or when/if it comes up.  */
         actually works right or when/if it comes up.  */
      if (pst->symtab == NULL)
      if (pst->symtab == NULL)
        pst->symtab = s;
        pst->symtab = s;
      end_stabs ();
      end_stabs ();
    }
    }
}
}
 
 
#define SYMBOL_DUP(SYMBOL1, SYMBOL2)    \
#define SYMBOL_DUP(SYMBOL1, SYMBOL2)    \
  (SYMBOL2) = (struct symbol *)         \
  (SYMBOL2) = (struct symbol *)         \
        obstack_alloc (&objfile->objfile_obstack, sizeof (struct symbol)); \
        obstack_alloc (&objfile->objfile_obstack, sizeof (struct symbol)); \
  *(SYMBOL2) = *(SYMBOL1);
  *(SYMBOL2) = *(SYMBOL1);
 
 
 
 
#define SYMNAME_ALLOC(NAME, ALLOCED)    \
#define SYMNAME_ALLOC(NAME, ALLOCED)    \
  ((ALLOCED) ? (NAME) : obsavestring ((NAME), strlen (NAME), &objfile->objfile_obstack))
  ((ALLOCED) ? (NAME) : obsavestring ((NAME), strlen (NAME), &objfile->objfile_obstack))
 
 
 
 
/* process one xcoff symbol. */
/* process one xcoff symbol. */
 
 
static struct symbol *
static struct symbol *
process_xcoff_symbol (struct coff_symbol *cs, struct objfile *objfile)
process_xcoff_symbol (struct coff_symbol *cs, struct objfile *objfile)
{
{
  struct symbol onesymbol;
  struct symbol onesymbol;
  struct symbol *sym = &onesymbol;
  struct symbol *sym = &onesymbol;
  struct symbol *sym2 = NULL;
  struct symbol *sym2 = NULL;
  char *name, *pp;
  char *name, *pp;
 
 
  int sec;
  int sec;
  CORE_ADDR off;
  CORE_ADDR off;
 
 
  if (cs->c_secnum < 0)
  if (cs->c_secnum < 0)
    {
    {
      /* The value is a register number, offset within a frame, etc.,
      /* The value is a register number, offset within a frame, etc.,
         and does not get relocated.  */
         and does not get relocated.  */
      off = 0;
      off = 0;
      sec = -1;
      sec = -1;
    }
    }
  else
  else
    {
    {
      sec = secnum_to_section (cs->c_secnum, objfile);
      sec = secnum_to_section (cs->c_secnum, objfile);
      off = ANOFFSET (objfile->section_offsets, sec);
      off = ANOFFSET (objfile->section_offsets, sec);
    }
    }
 
 
  name = cs->c_name;
  name = cs->c_name;
  if (name[0] == '.')
  if (name[0] == '.')
    ++name;
    ++name;
 
 
  memset (sym, '\0', sizeof (struct symbol));
  memset (sym, '\0', sizeof (struct symbol));
 
 
  /* default assumptions */
  /* default assumptions */
  SYMBOL_VALUE_ADDRESS (sym) = cs->c_value + off;
  SYMBOL_VALUE_ADDRESS (sym) = cs->c_value + off;
  SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
  SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
  SYMBOL_SECTION (sym) = secnum_to_section (cs->c_secnum, objfile);
  SYMBOL_SECTION (sym) = secnum_to_section (cs->c_secnum, objfile);
 
 
  if (ISFCN (cs->c_type))
  if (ISFCN (cs->c_type))
    {
    {
      /* At this point, we don't know the type of the function.  This
      /* At this point, we don't know the type of the function.  This
         will be patched with the type from its stab entry later on in
         will be patched with the type from its stab entry later on in
         patch_block_stabs (), unless the file was compiled without -g.  */
         patch_block_stabs (), unless the file was compiled without -g.  */
 
 
      SYMBOL_SET_LINKAGE_NAME (sym, SYMNAME_ALLOC (name, symname_alloced));
      SYMBOL_SET_LINKAGE_NAME (sym, SYMNAME_ALLOC (name, symname_alloced));
      SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_text_symbol;
      SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_text_symbol;
 
 
      SYMBOL_CLASS (sym) = LOC_BLOCK;
      SYMBOL_CLASS (sym) = LOC_BLOCK;
      SYMBOL_DUP (sym, sym2);
      SYMBOL_DUP (sym, sym2);
 
 
      if (cs->c_sclass == C_EXT)
      if (cs->c_sclass == C_EXT)
        add_symbol_to_list (sym2, &global_symbols);
        add_symbol_to_list (sym2, &global_symbols);
      else if (cs->c_sclass == C_HIDEXT || cs->c_sclass == C_STAT)
      else if (cs->c_sclass == C_HIDEXT || cs->c_sclass == C_STAT)
        add_symbol_to_list (sym2, &file_symbols);
        add_symbol_to_list (sym2, &file_symbols);
    }
    }
  else
  else
    {
    {
      /* In case we can't figure out the type, provide default. */
      /* In case we can't figure out the type, provide default. */
      SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_data_symbol;
      SYMBOL_TYPE (sym) = objfile_type (objfile)->nodebug_data_symbol;
 
 
      switch (cs->c_sclass)
      switch (cs->c_sclass)
        {
        {
#if 0
#if 0
          /* The values of functions and global symbols are now resolved
          /* The values of functions and global symbols are now resolved
             via the global_sym_chain in stabsread.c.  */
             via the global_sym_chain in stabsread.c.  */
        case C_FUN:
        case C_FUN:
          if (fcn_cs_saved.c_sclass == C_EXT)
          if (fcn_cs_saved.c_sclass == C_EXT)
            add_stab_to_list (name, &global_stabs);
            add_stab_to_list (name, &global_stabs);
          else
          else
            add_stab_to_list (name, &file_stabs);
            add_stab_to_list (name, &file_stabs);
          break;
          break;
 
 
        case C_GSYM:
        case C_GSYM:
          add_stab_to_list (name, &global_stabs);
          add_stab_to_list (name, &global_stabs);
          break;
          break;
#endif
#endif
 
 
        case C_BCOMM:
        case C_BCOMM:
          common_block_start (cs->c_name, objfile);
          common_block_start (cs->c_name, objfile);
          break;
          break;
 
 
        case C_ECOMM:
        case C_ECOMM:
          common_block_end (objfile);
          common_block_end (objfile);
          break;
          break;
 
 
        default:
        default:
          complaint (&symfile_complaints, _("Unexpected storage class: %d"),
          complaint (&symfile_complaints, _("Unexpected storage class: %d"),
                     cs->c_sclass);
                     cs->c_sclass);
          /* FALLTHROUGH */
          /* FALLTHROUGH */
 
 
        case C_DECL:
        case C_DECL:
        case C_PSYM:
        case C_PSYM:
        case C_RPSYM:
        case C_RPSYM:
        case C_ECOML:
        case C_ECOML:
        case C_LSYM:
        case C_LSYM:
        case C_RSYM:
        case C_RSYM:
        case C_GSYM:
        case C_GSYM:
 
 
          {
          {
            sym = define_symbol (cs->c_value + off, cs->c_name, 0, 0, objfile);
            sym = define_symbol (cs->c_value + off, cs->c_name, 0, 0, objfile);
            if (sym != NULL)
            if (sym != NULL)
              {
              {
                SYMBOL_SECTION (sym) = sec;
                SYMBOL_SECTION (sym) = sec;
              }
              }
            return sym;
            return sym;
          }
          }
 
 
        case C_STSYM:
        case C_STSYM:
 
 
          /* For xlc (not GCC), the 'V' symbol descriptor is used for
          /* For xlc (not GCC), the 'V' symbol descriptor is used for
             all statics and we need to distinguish file-scope versus
             all statics and we need to distinguish file-scope versus
             function-scope using within_function.  We do this by
             function-scope using within_function.  We do this by
             changing the string we pass to define_symbol to use 'S'
             changing the string we pass to define_symbol to use 'S'
             where we need to, which is not necessarily super-clean,
             where we need to, which is not necessarily super-clean,
             but seems workable enough.  */
             but seems workable enough.  */
 
 
          if (*name == ':' || (pp = (char *) strchr (name, ':')) == NULL)
          if (*name == ':' || (pp = (char *) strchr (name, ':')) == NULL)
            return NULL;
            return NULL;
 
 
          ++pp;
          ++pp;
          if (*pp == 'V' && !within_function)
          if (*pp == 'V' && !within_function)
            *pp = 'S';
            *pp = 'S';
          sym = define_symbol ((cs->c_value
          sym = define_symbol ((cs->c_value
                                + ANOFFSET (objfile->section_offsets,
                                + ANOFFSET (objfile->section_offsets,
                                            static_block_section)),
                                            static_block_section)),
                               cs->c_name, 0, 0, objfile);
                               cs->c_name, 0, 0, objfile);
          if (sym != NULL)
          if (sym != NULL)
            {
            {
              SYMBOL_VALUE_ADDRESS (sym) += static_block_base;
              SYMBOL_VALUE_ADDRESS (sym) += static_block_base;
              SYMBOL_SECTION (sym) = static_block_section;
              SYMBOL_SECTION (sym) = static_block_section;
            }
            }
          return sym;
          return sym;
 
 
        }
        }
    }
    }
  return sym2;
  return sym2;
}
}
 
 
/* Extract the file name from the aux entry of a C_FILE symbol.
/* Extract the file name from the aux entry of a C_FILE symbol.
   Result is in static storage and is only good for temporary use.  */
   Result is in static storage and is only good for temporary use.  */
 
 
static char *
static char *
coff_getfilename (union internal_auxent *aux_entry, struct objfile *objfile)
coff_getfilename (union internal_auxent *aux_entry, struct objfile *objfile)
{
{
  static char buffer[BUFSIZ];
  static char buffer[BUFSIZ];
 
 
  if (aux_entry->x_file.x_n.x_zeroes == 0)
  if (aux_entry->x_file.x_n.x_zeroes == 0)
    strcpy (buffer,
    strcpy (buffer,
            ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl
            ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl
            + aux_entry->x_file.x_n.x_offset);
            + aux_entry->x_file.x_n.x_offset);
  else
  else
    {
    {
      strncpy (buffer, aux_entry->x_file.x_fname, FILNMLEN);
      strncpy (buffer, aux_entry->x_file.x_fname, FILNMLEN);
      buffer[FILNMLEN] = '\0';
      buffer[FILNMLEN] = '\0';
    }
    }
  return (buffer);
  return (buffer);
}
}
 
 
/* Set *SYMBOL to symbol number symno in symtbl.  */
/* Set *SYMBOL to symbol number symno in symtbl.  */
static void
static void
read_symbol (struct internal_syment *symbol, int symno)
read_symbol (struct internal_syment *symbol, int symno)
{
{
  int nsyms =
  int nsyms =
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)->symtbl_num_syms;
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)->symtbl_num_syms;
  char *stbl =
  char *stbl =
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)->symtbl;
  ((struct coff_symfile_info *) this_symtab_psymtab->objfile->deprecated_sym_private)->symtbl;
  if (symno < 0 || symno >= nsyms)
  if (symno < 0 || symno >= nsyms)
    {
    {
      complaint (&symfile_complaints, _("Invalid symbol offset"));
      complaint (&symfile_complaints, _("Invalid symbol offset"));
      symbol->n_value = 0;
      symbol->n_value = 0;
      symbol->n_scnum = -1;
      symbol->n_scnum = -1;
      return;
      return;
    }
    }
  bfd_coff_swap_sym_in (this_symtab_psymtab->objfile->obfd,
  bfd_coff_swap_sym_in (this_symtab_psymtab->objfile->obfd,
                        stbl + (symno * local_symesz),
                        stbl + (symno * local_symesz),
                        symbol);
                        symbol);
}
}
 
 
/* Get value corresponding to symbol number symno in symtbl.  */
/* Get value corresponding to symbol number symno in symtbl.  */
 
 
static CORE_ADDR
static CORE_ADDR
read_symbol_nvalue (int symno)
read_symbol_nvalue (int symno)
{
{
  struct internal_syment symbol[1];
  struct internal_syment symbol[1];
 
 
  read_symbol (symbol, symno);
  read_symbol (symbol, symno);
  return symbol->n_value;
  return symbol->n_value;
}
}
 
 
 
 
/* Find the address of the function corresponding to symno, where
/* Find the address of the function corresponding to symno, where
   symno is the symbol pointed to by the linetable.  */
   symno is the symbol pointed to by the linetable.  */
 
 
static int
static int
read_symbol_lineno (int symno)
read_symbol_lineno (int symno)
{
{
  struct objfile *objfile = this_symtab_psymtab->objfile;
  struct objfile *objfile = this_symtab_psymtab->objfile;
  int xcoff64 = bfd_xcoff_is_xcoff64 (objfile->obfd);
  int xcoff64 = bfd_xcoff_is_xcoff64 (objfile->obfd);
 
 
  struct coff_symfile_info *info =
  struct coff_symfile_info *info =
    (struct coff_symfile_info *)objfile->deprecated_sym_private;
    (struct coff_symfile_info *)objfile->deprecated_sym_private;
  int nsyms = info->symtbl_num_syms;
  int nsyms = info->symtbl_num_syms;
  char *stbl = info->symtbl;
  char *stbl = info->symtbl;
  char *strtbl = info->strtbl;
  char *strtbl = info->strtbl;
 
 
  struct internal_syment symbol[1];
  struct internal_syment symbol[1];
  union internal_auxent main_aux[1];
  union internal_auxent main_aux[1];
 
 
  if (symno < 0)
  if (symno < 0)
    {
    {
      bf_notfound_complaint ();
      bf_notfound_complaint ();
      return 0;
      return 0;
    }
    }
 
 
  /* Note that just searching for a short distance (e.g. 50 symbols)
  /* Note that just searching for a short distance (e.g. 50 symbols)
     is not enough, at least in the following case.
     is not enough, at least in the following case.
 
 
     .extern foo
     .extern foo
     [many .stabx entries]
     [many .stabx entries]
     [a few functions, referring to foo]
     [a few functions, referring to foo]
     .globl foo
     .globl foo
     .bf
     .bf
 
 
     What happens here is that the assembler moves the .stabx entries
     What happens here is that the assembler moves the .stabx entries
     to right before the ".bf" for foo, but the symbol for "foo" is before
     to right before the ".bf" for foo, but the symbol for "foo" is before
     all the stabx entries.  See PR gdb/2222.  */
     all the stabx entries.  See PR gdb/2222.  */
 
 
  /* Maintaining a table of .bf entries might be preferable to this search.
  /* Maintaining a table of .bf entries might be preferable to this search.
     If I understand things correctly it would need to be done only for
     If I understand things correctly it would need to be done only for
     the duration of a single psymtab to symtab conversion.  */
     the duration of a single psymtab to symtab conversion.  */
  while (symno < nsyms)
  while (symno < nsyms)
    {
    {
      bfd_coff_swap_sym_in (symfile_bfd,
      bfd_coff_swap_sym_in (symfile_bfd,
                            stbl + (symno * local_symesz), symbol);
                            stbl + (symno * local_symesz), symbol);
      if (symbol->n_sclass == C_FCN)
      if (symbol->n_sclass == C_FCN)
        {
        {
          char *name = xcoff64 ? strtbl + symbol->n_offset : symbol->n_name;
          char *name = xcoff64 ? strtbl + symbol->n_offset : symbol->n_name;
          if (strcmp (name, ".bf") == 0)
          if (strcmp (name, ".bf") == 0)
            goto gotit;
            goto gotit;
        }
        }
      symno += symbol->n_numaux + 1;
      symno += symbol->n_numaux + 1;
    }
    }
 
 
  bf_notfound_complaint ();
  bf_notfound_complaint ();
  return 0;
  return 0;
 
 
gotit:
gotit:
  /* take aux entry and return its lineno */
  /* take aux entry and return its lineno */
  symno++;
  symno++;
  bfd_coff_swap_aux_in (objfile->obfd, stbl + symno * local_symesz,
  bfd_coff_swap_aux_in (objfile->obfd, stbl + symno * local_symesz,
                        symbol->n_type, symbol->n_sclass,
                        symbol->n_type, symbol->n_sclass,
                        0, symbol->n_numaux, main_aux);
                        0, symbol->n_numaux, main_aux);
 
 
  return main_aux->x_sym.x_misc.x_lnsz.x_lnno;
  return main_aux->x_sym.x_misc.x_lnsz.x_lnno;
}
}
 
 
/* Support for line number handling */
/* Support for line number handling */
 
 
/* This function is called for every section; it finds the outer limits
/* This function is called for every section; it finds the outer limits
 * of the line table (minimum and maximum file offset) so that the
 * of the line table (minimum and maximum file offset) so that the
 * mainline code can read the whole thing for efficiency.
 * mainline code can read the whole thing for efficiency.
 */
 */
static void
static void
find_linenos (struct bfd *abfd, struct bfd_section *asect, void *vpinfo)
find_linenos (struct bfd *abfd, struct bfd_section *asect, void *vpinfo)
{
{
  struct coff_symfile_info *info;
  struct coff_symfile_info *info;
  int size, count;
  int size, count;
  file_ptr offset, maxoff;
  file_ptr offset, maxoff;
 
 
  count = asect->lineno_count;
  count = asect->lineno_count;
 
 
  if (strcmp (asect->name, ".text") != 0 || count == 0)
  if (strcmp (asect->name, ".text") != 0 || count == 0)
    return;
    return;
 
 
  size = count * coff_data (abfd)->local_linesz;
  size = count * coff_data (abfd)->local_linesz;
  info = (struct coff_symfile_info *) vpinfo;
  info = (struct coff_symfile_info *) vpinfo;
  offset = asect->line_filepos;
  offset = asect->line_filepos;
  maxoff = offset + size;
  maxoff = offset + size;
 
 
  if (offset < info->min_lineno_offset || info->min_lineno_offset == 0)
  if (offset < info->min_lineno_offset || info->min_lineno_offset == 0)
    info->min_lineno_offset = offset;
    info->min_lineno_offset = offset;
 
 
  if (maxoff > info->max_lineno_offset)
  if (maxoff > info->max_lineno_offset)
    info->max_lineno_offset = maxoff;
    info->max_lineno_offset = maxoff;
}
}


static void xcoff_psymtab_to_symtab_1 (struct partial_symtab *);
static void xcoff_psymtab_to_symtab_1 (struct partial_symtab *);
 
 
static void
static void
xcoff_psymtab_to_symtab_1 (struct partial_symtab *pst)
xcoff_psymtab_to_symtab_1 (struct partial_symtab *pst)
{
{
  struct cleanup *old_chain;
  struct cleanup *old_chain;
  int i;
  int i;
 
 
  if (!pst)
  if (!pst)
    return;
    return;
 
 
  if (pst->readin)
  if (pst->readin)
    {
    {
      fprintf_unfiltered
      fprintf_unfiltered
        (gdb_stderr, "Psymtab for %s already read in.  Shouldn't happen.\n",
        (gdb_stderr, "Psymtab for %s already read in.  Shouldn't happen.\n",
         pst->filename);
         pst->filename);
      return;
      return;
    }
    }
 
 
  /* Read in all partial symtabs on which this one is dependent */
  /* Read in all partial symtabs on which this one is dependent */
  for (i = 0; i < pst->number_of_dependencies; i++)
  for (i = 0; i < pst->number_of_dependencies; i++)
    if (!pst->dependencies[i]->readin)
    if (!pst->dependencies[i]->readin)
      {
      {
        /* Inform about additional files that need to be read in.  */
        /* Inform about additional files that need to be read in.  */
        if (info_verbose)
        if (info_verbose)
          {
          {
            fputs_filtered (" ", gdb_stdout);
            fputs_filtered (" ", gdb_stdout);
            wrap_here ("");
            wrap_here ("");
            fputs_filtered ("and ", gdb_stdout);
            fputs_filtered ("and ", gdb_stdout);
            wrap_here ("");
            wrap_here ("");
            printf_filtered ("%s...", pst->dependencies[i]->filename);
            printf_filtered ("%s...", pst->dependencies[i]->filename);
            wrap_here ("");     /* Flush output */
            wrap_here ("");     /* Flush output */
            gdb_flush (gdb_stdout);
            gdb_flush (gdb_stdout);
          }
          }
        xcoff_psymtab_to_symtab_1 (pst->dependencies[i]);
        xcoff_psymtab_to_symtab_1 (pst->dependencies[i]);
      }
      }
 
 
  if (((struct symloc *) pst->read_symtab_private)->numsyms != 0)
  if (((struct symloc *) pst->read_symtab_private)->numsyms != 0)
    {
    {
      /* Init stuff necessary for reading in symbols.  */
      /* Init stuff necessary for reading in symbols.  */
      stabsread_init ();
      stabsread_init ();
      buildsym_init ();
      buildsym_init ();
      old_chain = make_cleanup (really_free_pendings, 0);
      old_chain = make_cleanup (really_free_pendings, 0);
 
 
      read_xcoff_symtab (pst);
      read_xcoff_symtab (pst);
 
 
      do_cleanups (old_chain);
      do_cleanups (old_chain);
    }
    }
 
 
  pst->readin = 1;
  pst->readin = 1;
}
}
 
 
static void xcoff_psymtab_to_symtab (struct partial_symtab *);
static void xcoff_psymtab_to_symtab (struct partial_symtab *);
 
 
/* Read in all of the symbols for a given psymtab for real.
/* Read in all of the symbols for a given psymtab for real.
   Be verbose about it if the user wants that.  */
   Be verbose about it if the user wants that.  */
 
 
static void
static void
xcoff_psymtab_to_symtab (struct partial_symtab *pst)
xcoff_psymtab_to_symtab (struct partial_symtab *pst)
{
{
  bfd *sym_bfd;
  bfd *sym_bfd;
 
 
  if (!pst)
  if (!pst)
    return;
    return;
 
 
  if (pst->readin)
  if (pst->readin)
    {
    {
      fprintf_unfiltered
      fprintf_unfiltered
        (gdb_stderr, "Psymtab for %s already read in.  Shouldn't happen.\n",
        (gdb_stderr, "Psymtab for %s already read in.  Shouldn't happen.\n",
         pst->filename);
         pst->filename);
      return;
      return;
    }
    }
 
 
  if (((struct symloc *) pst->read_symtab_private)->numsyms != 0
  if (((struct symloc *) pst->read_symtab_private)->numsyms != 0
      || pst->number_of_dependencies)
      || pst->number_of_dependencies)
    {
    {
      /* Print the message now, before reading the string table,
      /* Print the message now, before reading the string table,
         to avoid disconcerting pauses.  */
         to avoid disconcerting pauses.  */
      if (info_verbose)
      if (info_verbose)
        {
        {
          printf_filtered ("Reading in symbols for %s...", pst->filename);
          printf_filtered ("Reading in symbols for %s...", pst->filename);
          gdb_flush (gdb_stdout);
          gdb_flush (gdb_stdout);
        }
        }
 
 
      sym_bfd = pst->objfile->obfd;
      sym_bfd = pst->objfile->obfd;
 
 
      next_symbol_text_func = xcoff_next_symbol_text;
      next_symbol_text_func = xcoff_next_symbol_text;
 
 
      xcoff_psymtab_to_symtab_1 (pst);
      xcoff_psymtab_to_symtab_1 (pst);
 
 
      /* Match with global symbols.  This only needs to be done once,
      /* Match with global symbols.  This only needs to be done once,
         after all of the symtabs and dependencies have been read in.   */
         after all of the symtabs and dependencies have been read in.   */
      scan_file_globals (pst->objfile);
      scan_file_globals (pst->objfile);
 
 
      /* Finish up the debug error message.  */
      /* Finish up the debug error message.  */
      if (info_verbose)
      if (info_verbose)
        printf_filtered ("done.\n");
        printf_filtered ("done.\n");
    }
    }
}
}


static void
static void
xcoff_new_init (struct objfile *objfile)
xcoff_new_init (struct objfile *objfile)
{
{
  stabsread_new_init ();
  stabsread_new_init ();
  buildsym_new_init ();
  buildsym_new_init ();
}
}
 
 
/* Do initialization in preparation for reading symbols from OBJFILE.
/* Do initialization in preparation for reading symbols from OBJFILE.
 
 
   We will only be called if this is an XCOFF or XCOFF-like file.
   We will only be called if this is an XCOFF or XCOFF-like file.
   BFD handles figuring out the format of the file, and code in symfile.c
   BFD handles figuring out the format of the file, and code in symfile.c
   uses BFD's determination to vector to us.  */
   uses BFD's determination to vector to us.  */
 
 
static void
static void
xcoff_symfile_init (struct objfile *objfile)
xcoff_symfile_init (struct objfile *objfile)
{
{
  /* Allocate struct to keep track of the symfile */
  /* Allocate struct to keep track of the symfile */
  objfile->deprecated_sym_private = xmalloc (sizeof (struct coff_symfile_info));
  objfile->deprecated_sym_private = xmalloc (sizeof (struct coff_symfile_info));
 
 
  /* XCOFF objects may be reordered, so set OBJF_REORDERED.  If we
  /* XCOFF objects may be reordered, so set OBJF_REORDERED.  If we
     find this causes a significant slowdown in gdb then we could
     find this causes a significant slowdown in gdb then we could
     set it in the debug symbol readers only when necessary.  */
     set it in the debug symbol readers only when necessary.  */
  objfile->flags |= OBJF_REORDERED;
  objfile->flags |= OBJF_REORDERED;
 
 
  init_entry_point_info (objfile);
  init_entry_point_info (objfile);
}
}
 
 
/* Perform any local cleanups required when we are done with a particular
/* 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
   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
   for an objfile, freeing up all memory held for it, and unlinking the
   objfile struct from the global list of known objfiles. */
   objfile struct from the global list of known objfiles. */
 
 
static void
static void
xcoff_symfile_finish (struct objfile *objfile)
xcoff_symfile_finish (struct objfile *objfile)
{
{
  if (objfile->deprecated_sym_private != NULL)
  if (objfile->deprecated_sym_private != NULL)
    {
    {
      xfree (objfile->deprecated_sym_private);
      xfree (objfile->deprecated_sym_private);
    }
    }
 
 
  /* Start with a fresh include table for the next objfile.  */
  /* Start with a fresh include table for the next objfile.  */
  if (inclTable)
  if (inclTable)
    {
    {
      xfree (inclTable);
      xfree (inclTable);
      inclTable = NULL;
      inclTable = NULL;
    }
    }
  inclIndx = inclLength = inclDepth = 0;
  inclIndx = inclLength = inclDepth = 0;
}
}
 
 
 
 
static void
static void
init_stringtab (bfd *abfd, file_ptr offset, struct objfile *objfile)
init_stringtab (bfd *abfd, file_ptr offset, struct objfile *objfile)
{
{
  long length;
  long length;
  int val;
  int val;
  unsigned char lengthbuf[4];
  unsigned char lengthbuf[4];
  char *strtbl;
  char *strtbl;
 
 
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl = NULL;
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl = NULL;
 
 
  if (bfd_seek (abfd, offset, SEEK_SET) < 0)
  if (bfd_seek (abfd, offset, SEEK_SET) < 0)
    error (_("cannot seek to string table in %s: %s"),
    error (_("cannot seek to string table in %s: %s"),
           bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
           bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
 
 
  val = bfd_bread ((char *) lengthbuf, sizeof lengthbuf, abfd);
  val = bfd_bread ((char *) lengthbuf, sizeof lengthbuf, abfd);
  length = bfd_h_get_32 (abfd, lengthbuf);
  length = bfd_h_get_32 (abfd, lengthbuf);
 
 
  /* If no string table is needed, then the file may end immediately
  /* If no string table is needed, then the file may end immediately
     after the symbols.  Just return with `strtbl' set to NULL.  */
     after the symbols.  Just return with `strtbl' set to NULL.  */
 
 
  if (val != sizeof lengthbuf || length < sizeof lengthbuf)
  if (val != sizeof lengthbuf || length < sizeof lengthbuf)
    return;
    return;
 
 
  /* Allocate string table from objfile_obstack. We will need this table
  /* Allocate string table from objfile_obstack. We will need this table
     as long as we have its symbol table around. */
     as long as we have its symbol table around. */
 
 
  strtbl = (char *) obstack_alloc (&objfile->objfile_obstack, length);
  strtbl = (char *) obstack_alloc (&objfile->objfile_obstack, length);
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl = strtbl;
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl = strtbl;
 
 
  /* Copy length buffer, the first byte is usually zero and is
  /* Copy length buffer, the first byte is usually zero and is
     used for stabs with a name length of zero.  */
     used for stabs with a name length of zero.  */
  memcpy (strtbl, lengthbuf, sizeof lengthbuf);
  memcpy (strtbl, lengthbuf, sizeof lengthbuf);
  if (length == sizeof lengthbuf)
  if (length == sizeof lengthbuf)
    return;
    return;
 
 
  val = bfd_bread (strtbl + sizeof lengthbuf, length - sizeof lengthbuf, abfd);
  val = bfd_bread (strtbl + sizeof lengthbuf, length - sizeof lengthbuf, abfd);
 
 
  if (val != length - sizeof lengthbuf)
  if (val != length - sizeof lengthbuf)
    error (_("cannot read string table from %s: %s"),
    error (_("cannot read string table from %s: %s"),
           bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
           bfd_get_filename (abfd), bfd_errmsg (bfd_get_error ()));
  if (strtbl[length - 1] != '\0')
  if (strtbl[length - 1] != '\0')
    error (_("bad symbol file: string table does not end with null character"));
    error (_("bad symbol file: string table does not end with null character"));
 
 
  return;
  return;
}
}


/* If we have not yet seen a function for this psymtab, this is 0.  If we
/* If we have not yet seen a function for this psymtab, this is 0.  If we
   have seen one, it is the offset in the line numbers of the line numbers
   have seen one, it is the offset in the line numbers of the line numbers
   for the psymtab.  */
   for the psymtab.  */
static unsigned int first_fun_line_offset;
static unsigned int first_fun_line_offset;
 
 
static struct partial_symtab *xcoff_start_psymtab
static struct partial_symtab *xcoff_start_psymtab
  (struct objfile *, char *, int,
  (struct objfile *, char *, int,
   struct partial_symbol **, struct partial_symbol **);
   struct partial_symbol **, struct partial_symbol **);
 
 
/* Allocate and partially fill a partial symtab.  It will be
/* Allocate and partially fill a partial symtab.  It will be
   completely filled at the end of the symbol list.
   completely filled at the end of the symbol list.
 
 
   SYMFILE_NAME is the name of the symbol-file we are reading from, and ADDR
   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
   is the address relative to which its symbols are (incremental) or 0
   (normal). */
   (normal). */
 
 
static struct partial_symtab *
static struct partial_symtab *
xcoff_start_psymtab (struct objfile *objfile, char *filename, int first_symnum,
xcoff_start_psymtab (struct objfile *objfile, char *filename, int first_symnum,
                     struct partial_symbol **global_syms,
                     struct partial_symbol **global_syms,
                     struct partial_symbol **static_syms)
                     struct partial_symbol **static_syms)
{
{
  struct partial_symtab *result =
  struct partial_symtab *result =
  start_psymtab_common (objfile, objfile->section_offsets,
  start_psymtab_common (objfile, objfile->section_offsets,
                        filename,
                        filename,
                        /* We fill in textlow later.  */
                        /* We fill in textlow later.  */
                        0,
                        0,
                        global_syms, static_syms);
                        global_syms, static_syms);
 
 
  result->read_symtab_private = (char *)
  result->read_symtab_private = (char *)
    obstack_alloc (&objfile->objfile_obstack, sizeof (struct symloc));
    obstack_alloc (&objfile->objfile_obstack, sizeof (struct symloc));
  ((struct symloc *) result->read_symtab_private)->first_symnum = first_symnum;
  ((struct symloc *) result->read_symtab_private)->first_symnum = first_symnum;
  result->read_symtab = xcoff_psymtab_to_symtab;
  result->read_symtab = xcoff_psymtab_to_symtab;
 
 
  /* Deduce the source language from the filename for this psymtab. */
  /* Deduce the source language from the filename for this psymtab. */
  psymtab_language = deduce_language_from_filename (filename);
  psymtab_language = deduce_language_from_filename (filename);
 
 
  return result;
  return result;
}
}
 
 
static struct partial_symtab *xcoff_end_psymtab
static struct partial_symtab *xcoff_end_psymtab
  (struct partial_symtab *, char **, int, int,
  (struct partial_symtab *, char **, int, int,
   struct partial_symtab **, int, int);
   struct partial_symtab **, int, int);
 
 
/* Close off the current usage of PST.
/* Close off the current usage of PST.
   Returns PST, or NULL if the partial symtab was empty and thrown away.
   Returns PST, or NULL if the partial symtab was empty and thrown away.
 
 
   CAPPING_SYMBOL_NUMBER is the end of pst (exclusive).
   CAPPING_SYMBOL_NUMBER is the end of pst (exclusive).
 
 
   INCLUDE_LIST, NUM_INCLUDES, DEPENDENCY_LIST, and NUMBER_DEPENDENCIES
   INCLUDE_LIST, NUM_INCLUDES, DEPENDENCY_LIST, and NUMBER_DEPENDENCIES
   are the information for includes and dependencies.  */
   are the information for includes and dependencies.  */
 
 
static struct partial_symtab *
static struct partial_symtab *
xcoff_end_psymtab (struct partial_symtab *pst, char **include_list,
xcoff_end_psymtab (struct partial_symtab *pst, char **include_list,
                   int num_includes, int capping_symbol_number,
                   int num_includes, int capping_symbol_number,
                   struct partial_symtab **dependency_list,
                   struct partial_symtab **dependency_list,
                   int number_dependencies, int textlow_not_set)
                   int number_dependencies, int textlow_not_set)
{
{
  int i;
  int i;
  struct objfile *objfile = pst->objfile;
  struct objfile *objfile = pst->objfile;
 
 
  if (capping_symbol_number != -1)
  if (capping_symbol_number != -1)
    ((struct symloc *) pst->read_symtab_private)->numsyms =
    ((struct symloc *) pst->read_symtab_private)->numsyms =
      capping_symbol_number
      capping_symbol_number
      - ((struct symloc *) pst->read_symtab_private)->first_symnum;
      - ((struct symloc *) pst->read_symtab_private)->first_symnum;
  ((struct symloc *) pst->read_symtab_private)->lineno_off =
  ((struct symloc *) pst->read_symtab_private)->lineno_off =
    first_fun_line_offset;
    first_fun_line_offset;
  first_fun_line_offset = 0;
  first_fun_line_offset = 0;
  pst->n_global_syms =
  pst->n_global_syms =
    objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
    objfile->global_psymbols.next - (objfile->global_psymbols.list + pst->globals_offset);
  pst->n_static_syms =
  pst->n_static_syms =
    objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset);
    objfile->static_psymbols.next - (objfile->static_psymbols.list + pst->statics_offset);
 
 
  pst->number_of_dependencies = number_dependencies;
  pst->number_of_dependencies = number_dependencies;
  if (number_dependencies)
  if (number_dependencies)
    {
    {
      pst->dependencies = (struct partial_symtab **)
      pst->dependencies = (struct partial_symtab **)
        obstack_alloc (&objfile->objfile_obstack,
        obstack_alloc (&objfile->objfile_obstack,
                    number_dependencies * sizeof (struct partial_symtab *));
                    number_dependencies * sizeof (struct partial_symtab *));
      memcpy (pst->dependencies, dependency_list,
      memcpy (pst->dependencies, dependency_list,
              number_dependencies * sizeof (struct partial_symtab *));
              number_dependencies * sizeof (struct partial_symtab *));
    }
    }
  else
  else
    pst->dependencies = 0;
    pst->dependencies = 0;
 
 
  for (i = 0; i < num_includes; i++)
  for (i = 0; i < num_includes; i++)
    {
    {
      struct partial_symtab *subpst =
      struct partial_symtab *subpst =
      allocate_psymtab (include_list[i], objfile);
      allocate_psymtab (include_list[i], objfile);
 
 
      subpst->section_offsets = pst->section_offsets;
      subpst->section_offsets = pst->section_offsets;
      subpst->read_symtab_private =
      subpst->read_symtab_private =
        (char *) obstack_alloc (&objfile->objfile_obstack,
        (char *) obstack_alloc (&objfile->objfile_obstack,
                                sizeof (struct symloc));
                                sizeof (struct symloc));
      ((struct symloc *) subpst->read_symtab_private)->first_symnum = 0;
      ((struct symloc *) subpst->read_symtab_private)->first_symnum = 0;
      ((struct symloc *) subpst->read_symtab_private)->numsyms = 0;
      ((struct symloc *) subpst->read_symtab_private)->numsyms = 0;
      subpst->textlow = 0;
      subpst->textlow = 0;
      subpst->texthigh = 0;
      subpst->texthigh = 0;
 
 
      /* We could save slight bits of space by only making one of these,
      /* We could save slight bits of space by only making one of these,
         shared by the entire set of include files.  FIXME-someday.  */
         shared by the entire set of include files.  FIXME-someday.  */
      subpst->dependencies = (struct partial_symtab **)
      subpst->dependencies = (struct partial_symtab **)
        obstack_alloc (&objfile->objfile_obstack,
        obstack_alloc (&objfile->objfile_obstack,
                       sizeof (struct partial_symtab *));
                       sizeof (struct partial_symtab *));
      subpst->dependencies[0] = pst;
      subpst->dependencies[0] = pst;
      subpst->number_of_dependencies = 1;
      subpst->number_of_dependencies = 1;
 
 
      subpst->globals_offset =
      subpst->globals_offset =
        subpst->n_global_syms =
        subpst->n_global_syms =
        subpst->statics_offset =
        subpst->statics_offset =
        subpst->n_static_syms = 0;
        subpst->n_static_syms = 0;
 
 
      subpst->readin = 0;
      subpst->readin = 0;
      subpst->symtab = 0;
      subpst->symtab = 0;
      subpst->read_symtab = pst->read_symtab;
      subpst->read_symtab = pst->read_symtab;
    }
    }
 
 
  sort_pst_symbols (pst);
  sort_pst_symbols (pst);
 
 
  if (num_includes == 0
  if (num_includes == 0
      && number_dependencies == 0
      && number_dependencies == 0
      && pst->n_global_syms == 0
      && pst->n_global_syms == 0
      && pst->n_static_syms == 0)
      && pst->n_static_syms == 0)
    {
    {
      /* Throw away this psymtab, it's empty.  We can't deallocate it, since
      /* 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.  */
         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
      /* Empty psymtabs happen as a result of header files which don't have
         any symbols in them.  There can be a lot of them.  */
         any symbols in them.  There can be a lot of them.  */
 
 
      discard_psymtab (pst);
      discard_psymtab (pst);
 
 
      /* Indicate that psymtab was thrown away.  */
      /* Indicate that psymtab was thrown away.  */
      pst = (struct partial_symtab *) NULL;
      pst = (struct partial_symtab *) NULL;
    }
    }
  return pst;
  return pst;
}
}
 
 
static void swap_sym (struct internal_syment *,
static void swap_sym (struct internal_syment *,
                      union internal_auxent *, char **, char **,
                      union internal_auxent *, char **, char **,
                      unsigned int *, struct objfile *);
                      unsigned int *, struct objfile *);
 
 
/* Swap raw symbol at *RAW and put the name in *NAME, the symbol in
/* Swap raw symbol at *RAW and put the name in *NAME, the symbol in
   *SYMBOL, the first auxent in *AUX.  Advance *RAW and *SYMNUMP over
   *SYMBOL, the first auxent in *AUX.  Advance *RAW and *SYMNUMP over
   the symbol and its auxents.  */
   the symbol and its auxents.  */
 
 
static void
static void
swap_sym (struct internal_syment *symbol, union internal_auxent *aux,
swap_sym (struct internal_syment *symbol, union internal_auxent *aux,
          char **name, char **raw, unsigned int *symnump,
          char **name, char **raw, unsigned int *symnump,
          struct objfile *objfile)
          struct objfile *objfile)
{
{
  bfd_coff_swap_sym_in (objfile->obfd, *raw, symbol);
  bfd_coff_swap_sym_in (objfile->obfd, *raw, symbol);
  if (symbol->n_zeroes)
  if (symbol->n_zeroes)
    {
    {
      /* If it's exactly E_SYMNMLEN characters long it isn't
      /* If it's exactly E_SYMNMLEN characters long it isn't
         '\0'-terminated.  */
         '\0'-terminated.  */
      if (symbol->n_name[E_SYMNMLEN - 1] != '\0')
      if (symbol->n_name[E_SYMNMLEN - 1] != '\0')
        {
        {
          /* FIXME: wastes memory for symbols which we don't end up putting
          /* FIXME: wastes memory for symbols which we don't end up putting
             into the minimal symbols.  */
             into the minimal symbols.  */
          char *p;
          char *p;
          p = obstack_alloc (&objfile->objfile_obstack, E_SYMNMLEN + 1);
          p = obstack_alloc (&objfile->objfile_obstack, E_SYMNMLEN + 1);
          strncpy (p, symbol->n_name, E_SYMNMLEN);
          strncpy (p, symbol->n_name, E_SYMNMLEN);
          p[E_SYMNMLEN] = '\0';
          p[E_SYMNMLEN] = '\0';
          *name = p;
          *name = p;
        }
        }
      else
      else
        /* Point to the unswapped name as that persists as long as the
        /* Point to the unswapped name as that persists as long as the
           objfile does.  */
           objfile does.  */
        *name = ((struct external_syment *) *raw)->e.e_name;
        *name = ((struct external_syment *) *raw)->e.e_name;
    }
    }
  else if (symbol->n_sclass & 0x80)
  else if (symbol->n_sclass & 0x80)
    {
    {
      *name = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec
      *name = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec
        + symbol->n_offset;
        + symbol->n_offset;
    }
    }
  else
  else
    {
    {
      *name = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl
      *name = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->strtbl
        + symbol->n_offset;
        + symbol->n_offset;
    }
    }
  ++*symnump;
  ++*symnump;
  *raw += coff_data (objfile->obfd)->local_symesz;
  *raw += coff_data (objfile->obfd)->local_symesz;
  if (symbol->n_numaux > 0)
  if (symbol->n_numaux > 0)
    {
    {
      bfd_coff_swap_aux_in (objfile->obfd, *raw, symbol->n_type,
      bfd_coff_swap_aux_in (objfile->obfd, *raw, symbol->n_type,
                            symbol->n_sclass, 0, symbol->n_numaux, aux);
                            symbol->n_sclass, 0, symbol->n_numaux, aux);
 
 
      *symnump += symbol->n_numaux;
      *symnump += symbol->n_numaux;
      *raw += coff_data (objfile->obfd)->local_symesz * symbol->n_numaux;
      *raw += coff_data (objfile->obfd)->local_symesz * symbol->n_numaux;
    }
    }
}
}
 
 
static void
static void
function_outside_compilation_unit_complaint (const char *arg1)
function_outside_compilation_unit_complaint (const char *arg1)
{
{
  complaint (&symfile_complaints,
  complaint (&symfile_complaints,
             _("function `%s' appears to be defined outside of all compilation units"),
             _("function `%s' appears to be defined outside of all compilation units"),
             arg1);
             arg1);
}
}
 
 
static void
static void
scan_xcoff_symtab (struct objfile *objfile)
scan_xcoff_symtab (struct objfile *objfile)
{
{
  struct gdbarch *gdbarch = get_objfile_arch (objfile);
  struct gdbarch *gdbarch = get_objfile_arch (objfile);
  CORE_ADDR toc_offset = 0;      /* toc offset value in data section. */
  CORE_ADDR toc_offset = 0;      /* toc offset value in data section. */
  char *filestring = NULL;
  char *filestring = NULL;
 
 
  char *namestring;
  char *namestring;
  int past_first_source_file = 0;
  int past_first_source_file = 0;
  bfd *abfd;
  bfd *abfd;
  asection *bfd_sect;
  asection *bfd_sect;
  unsigned int nsyms;
  unsigned int nsyms;
 
 
  /* Current partial symtab */
  /* Current partial symtab */
  struct partial_symtab *pst;
  struct partial_symtab *pst;
 
 
  /* List of current psymtab's include files */
  /* List of current psymtab's include files */
  char **psymtab_include_list;
  char **psymtab_include_list;
  int includes_allocated;
  int includes_allocated;
  int includes_used;
  int includes_used;
 
 
  /* Index within current psymtab dependency list */
  /* Index within current psymtab dependency list */
  struct partial_symtab **dependency_list;
  struct partial_symtab **dependency_list;
  int dependencies_used, dependencies_allocated;
  int dependencies_used, dependencies_allocated;
 
 
  char *sraw_symbol;
  char *sraw_symbol;
  struct internal_syment symbol;
  struct internal_syment symbol;
  union internal_auxent main_aux[5];
  union internal_auxent main_aux[5];
  unsigned int ssymnum;
  unsigned int ssymnum;
 
 
  char *last_csect_name = NULL; /* last seen csect's name and value */
  char *last_csect_name = NULL; /* last seen csect's name and value */
  CORE_ADDR last_csect_val = 0;
  CORE_ADDR last_csect_val = 0;
  int last_csect_sec = 0;
  int last_csect_sec = 0;
  int misc_func_recorded = 0;    /* true if any misc. function */
  int misc_func_recorded = 0;    /* true if any misc. function */
  int textlow_not_set = 1;
  int textlow_not_set = 1;
 
 
  pst = (struct partial_symtab *) 0;
  pst = (struct partial_symtab *) 0;
 
 
  includes_allocated = 30;
  includes_allocated = 30;
  includes_used = 0;
  includes_used = 0;
  psymtab_include_list = (char **) alloca (includes_allocated *
  psymtab_include_list = (char **) alloca (includes_allocated *
                                           sizeof (char *));
                                           sizeof (char *));
 
 
  dependencies_allocated = 30;
  dependencies_allocated = 30;
  dependencies_used = 0;
  dependencies_used = 0;
  dependency_list =
  dependency_list =
    (struct partial_symtab **) alloca (dependencies_allocated *
    (struct partial_symtab **) alloca (dependencies_allocated *
                                       sizeof (struct partial_symtab *));
                                       sizeof (struct partial_symtab *));
 
 
  last_source_file = NULL;
  last_source_file = NULL;
 
 
  abfd = objfile->obfd;
  abfd = objfile->obfd;
  next_symbol_text_func = xcoff_next_symbol_text;
  next_symbol_text_func = xcoff_next_symbol_text;
 
 
  sraw_symbol = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl;
  sraw_symbol = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl;
  nsyms = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl_num_syms;
  nsyms = ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl_num_syms;
  ssymnum = 0;
  ssymnum = 0;
  while (ssymnum < nsyms)
  while (ssymnum < nsyms)
    {
    {
      int sclass;
      int sclass;
 
 
      QUIT;
      QUIT;
 
 
      bfd_coff_swap_sym_in (abfd, sraw_symbol, &symbol);
      bfd_coff_swap_sym_in (abfd, sraw_symbol, &symbol);
      sclass = symbol.n_sclass;
      sclass = symbol.n_sclass;
 
 
      switch (sclass)
      switch (sclass)
        {
        {
        case C_EXT:
        case C_EXT:
        case C_HIDEXT:
        case C_HIDEXT:
          {
          {
            /* The CSECT auxent--always the last auxent.  */
            /* The CSECT auxent--always the last auxent.  */
            union internal_auxent csect_aux;
            union internal_auxent csect_aux;
            unsigned int symnum_before = ssymnum;
            unsigned int symnum_before = ssymnum;
 
 
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
                      &ssymnum, objfile);
                      &ssymnum, objfile);
            if (symbol.n_numaux > 1)
            if (symbol.n_numaux > 1)
              {
              {
                bfd_coff_swap_aux_in
                bfd_coff_swap_aux_in
                  (objfile->obfd,
                  (objfile->obfd,
                   sraw_symbol - coff_data (abfd)->local_symesz,
                   sraw_symbol - coff_data (abfd)->local_symesz,
                   symbol.n_type,
                   symbol.n_type,
                   symbol.n_sclass,
                   symbol.n_sclass,
                   symbol.n_numaux - 1,
                   symbol.n_numaux - 1,
                   symbol.n_numaux,
                   symbol.n_numaux,
                   &csect_aux);
                   &csect_aux);
              }
              }
            else
            else
              csect_aux = main_aux[0];
              csect_aux = main_aux[0];
 
 
            /* If symbol name starts with ".$" or "$", ignore it.  */
            /* If symbol name starts with ".$" or "$", ignore it.  */
            if (namestring[0] == '$'
            if (namestring[0] == '$'
                || (namestring[0] == '.' && namestring[1] == '$'))
                || (namestring[0] == '.' && namestring[1] == '$'))
              break;
              break;
 
 
            switch (csect_aux.x_csect.x_smtyp & 0x7)
            switch (csect_aux.x_csect.x_smtyp & 0x7)
              {
              {
              case XTY_SD:
              case XTY_SD:
                switch (csect_aux.x_csect.x_smclas)
                switch (csect_aux.x_csect.x_smclas)
                  {
                  {
                  case XMC_PR:
                  case XMC_PR:
                    if (last_csect_name)
                    if (last_csect_name)
                      {
                      {
                        /* If no misc. function recorded in the last
                        /* If no misc. function recorded in the last
                           seen csect, enter it as a function. This
                           seen csect, enter it as a function. This
                           will take care of functions like strcmp()
                           will take care of functions like strcmp()
                           compiled by xlc.  */
                           compiled by xlc.  */
 
 
                        if (!misc_func_recorded)
                        if (!misc_func_recorded)
                          {
                          {
                            RECORD_MINIMAL_SYMBOL
                            RECORD_MINIMAL_SYMBOL
                              (last_csect_name, last_csect_val,
                              (last_csect_name, last_csect_val,
                               mst_text, last_csect_sec,
                               mst_text, last_csect_sec,
                               objfile);
                               objfile);
                          }
                          }
 
 
                        if (pst != NULL)
                        if (pst != NULL)
                          {
                          {
                            /* We have to allocate one psymtab for
                            /* We have to allocate one psymtab for
                               each program csect, because their text
                               each program csect, because their text
                               sections need not be adjacent.  */
                               sections need not be adjacent.  */
                            xcoff_end_psymtab
                            xcoff_end_psymtab
                              (pst, psymtab_include_list, includes_used,
                              (pst, psymtab_include_list, includes_used,
                               symnum_before, dependency_list,
                               symnum_before, dependency_list,
                               dependencies_used, textlow_not_set);
                               dependencies_used, textlow_not_set);
                            includes_used = 0;
                            includes_used = 0;
                            dependencies_used = 0;
                            dependencies_used = 0;
                            /* Give all psymtabs for this source file the same
                            /* Give all psymtabs for this source file the same
                               name.  */
                               name.  */
                            pst = xcoff_start_psymtab
                            pst = xcoff_start_psymtab
                              (objfile,
                              (objfile,
                               filestring,
                               filestring,
                               symnum_before,
                               symnum_before,
                               objfile->global_psymbols.next,
                               objfile->global_psymbols.next,
                               objfile->static_psymbols.next);
                               objfile->static_psymbols.next);
                          }
                          }
                      }
                      }
                    /* Activate the misc_func_recorded mechanism for
                    /* Activate the misc_func_recorded mechanism for
                       compiler- and linker-generated CSECTs like ".strcmp"
                       compiler- and linker-generated CSECTs like ".strcmp"
                       and "@FIX1".  */
                       and "@FIX1".  */
                    if (namestring && (namestring[0] == '.'
                    if (namestring && (namestring[0] == '.'
                                       || namestring[0] == '@'))
                                       || namestring[0] == '@'))
                      {
                      {
                        last_csect_name = namestring;
                        last_csect_name = namestring;
                        last_csect_val = symbol.n_value;
                        last_csect_val = symbol.n_value;
                        last_csect_sec =
                        last_csect_sec =
                          secnum_to_section (symbol.n_scnum, objfile);
                          secnum_to_section (symbol.n_scnum, objfile);
                      }
                      }
                    if (pst != NULL)
                    if (pst != NULL)
                      {
                      {
                        CORE_ADDR highval =
                        CORE_ADDR highval =
                        symbol.n_value + csect_aux.x_csect.x_scnlen.l;
                        symbol.n_value + csect_aux.x_csect.x_scnlen.l;
                        if (highval > pst->texthigh)
                        if (highval > pst->texthigh)
                          pst->texthigh = highval;
                          pst->texthigh = highval;
                        if (pst->textlow == 0 || symbol.n_value < pst->textlow)
                        if (pst->textlow == 0 || symbol.n_value < pst->textlow)
                          pst->textlow = symbol.n_value;
                          pst->textlow = symbol.n_value;
                      }
                      }
                    misc_func_recorded = 0;
                    misc_func_recorded = 0;
                    break;
                    break;
 
 
                  case XMC_RW:
                  case XMC_RW:
                  case XMC_TD:
                  case XMC_TD:
                    /* Data variables are recorded in the minimal symbol
                    /* Data variables are recorded in the minimal symbol
                       table, except for section symbols.  */
                       table, except for section symbols.  */
                    if (*namestring != '.')
                    if (*namestring != '.')
                      prim_record_minimal_symbol_and_info
                      prim_record_minimal_symbol_and_info
                        (namestring, symbol.n_value,
                        (namestring, symbol.n_value,
                         sclass == C_HIDEXT ? mst_file_data : mst_data,
                         sclass == C_HIDEXT ? mst_file_data : mst_data,
                         secnum_to_section (symbol.n_scnum, objfile),
                         secnum_to_section (symbol.n_scnum, objfile),
                         NULL, objfile);
                         NULL, objfile);
                    break;
                    break;
 
 
                  case XMC_TC0:
                  case XMC_TC0:
                    if (toc_offset)
                    if (toc_offset)
                      warning (_("More than one XMC_TC0 symbol found."));
                      warning (_("More than one XMC_TC0 symbol found."));
                    toc_offset = symbol.n_value;
                    toc_offset = symbol.n_value;
 
 
                    /* Make TOC offset relative to start address of section.  */
                    /* Make TOC offset relative to start address of section.  */
                    bfd_sect = secnum_to_bfd_section (symbol.n_scnum, objfile);
                    bfd_sect = secnum_to_bfd_section (symbol.n_scnum, objfile);
                    if (bfd_sect)
                    if (bfd_sect)
                      toc_offset -= bfd_section_vma (objfile->obfd, bfd_sect);
                      toc_offset -= bfd_section_vma (objfile->obfd, bfd_sect);
                    break;
                    break;
 
 
                  case XMC_TC:
                  case XMC_TC:
                    /* These symbols tell us where the TOC entry for a
                    /* These symbols tell us where the TOC entry for a
                       variable is, not the variable itself.  */
                       variable is, not the variable itself.  */
                    break;
                    break;
 
 
                  default:
                  default:
                    break;
                    break;
                  }
                  }
                break;
                break;
 
 
              case XTY_LD:
              case XTY_LD:
                switch (csect_aux.x_csect.x_smclas)
                switch (csect_aux.x_csect.x_smclas)
                  {
                  {
                  case XMC_PR:
                  case XMC_PR:
                    /* A function entry point.  */
                    /* A function entry point.  */
 
 
                    if (first_fun_line_offset == 0 && symbol.n_numaux > 1)
                    if (first_fun_line_offset == 0 && symbol.n_numaux > 1)
                      first_fun_line_offset =
                      first_fun_line_offset =
                        main_aux[0].x_sym.x_fcnary.x_fcn.x_lnnoptr;
                        main_aux[0].x_sym.x_fcnary.x_fcn.x_lnnoptr;
                    RECORD_MINIMAL_SYMBOL
                    RECORD_MINIMAL_SYMBOL
                      (namestring, symbol.n_value,
                      (namestring, symbol.n_value,
                       sclass == C_HIDEXT ? mst_file_text : mst_text,
                       sclass == C_HIDEXT ? mst_file_text : mst_text,
                       secnum_to_section (symbol.n_scnum, objfile),
                       secnum_to_section (symbol.n_scnum, objfile),
                       objfile);
                       objfile);
                    break;
                    break;
 
 
                  case XMC_GL:
                  case XMC_GL:
                    /* shared library function trampoline code entry
                    /* shared library function trampoline code entry
                       point. */
                       point. */
 
 
                    /* record trampoline code entries as
                    /* record trampoline code entries as
                       mst_solib_trampoline symbol.  When we lookup mst
                       mst_solib_trampoline symbol.  When we lookup mst
                       symbols, we will choose mst_text over
                       symbols, we will choose mst_text over
                       mst_solib_trampoline. */
                       mst_solib_trampoline. */
                    RECORD_MINIMAL_SYMBOL
                    RECORD_MINIMAL_SYMBOL
                      (namestring, symbol.n_value,
                      (namestring, symbol.n_value,
                       mst_solib_trampoline,
                       mst_solib_trampoline,
                       secnum_to_section (symbol.n_scnum, objfile),
                       secnum_to_section (symbol.n_scnum, objfile),
                       objfile);
                       objfile);
                    break;
                    break;
 
 
                  case XMC_DS:
                  case XMC_DS:
                    /* The symbols often have the same names as
                    /* The symbols often have the same names as
                       debug symbols for functions, and confuse
                       debug symbols for functions, and confuse
                       lookup_symbol.  */
                       lookup_symbol.  */
                    break;
                    break;
 
 
                  default:
                  default:
 
 
                    /* xlc puts each variable in a separate csect,
                    /* xlc puts each variable in a separate csect,
                       so we get an XTY_SD for each variable.  But
                       so we get an XTY_SD for each variable.  But
                       gcc puts several variables in a csect, so
                       gcc puts several variables in a csect, so
                       that each variable only gets an XTY_LD.  We
                       that each variable only gets an XTY_LD.  We
                       still need to record them.  This will
                       still need to record them.  This will
                       typically be XMC_RW; I suspect XMC_RO and
                       typically be XMC_RW; I suspect XMC_RO and
                       XMC_BS might be possible too.  */
                       XMC_BS might be possible too.  */
                    if (*namestring != '.')
                    if (*namestring != '.')
                      prim_record_minimal_symbol_and_info
                      prim_record_minimal_symbol_and_info
                        (namestring, symbol.n_value,
                        (namestring, symbol.n_value,
                         sclass == C_HIDEXT ? mst_file_data : mst_data,
                         sclass == C_HIDEXT ? mst_file_data : mst_data,
                         secnum_to_section (symbol.n_scnum, objfile),
                         secnum_to_section (symbol.n_scnum, objfile),
                         NULL, objfile);
                         NULL, objfile);
                    break;
                    break;
                  }
                  }
                break;
                break;
 
 
              case XTY_CM:
              case XTY_CM:
                switch (csect_aux.x_csect.x_smclas)
                switch (csect_aux.x_csect.x_smclas)
                  {
                  {
                  case XMC_RW:
                  case XMC_RW:
                  case XMC_BS:
                  case XMC_BS:
                    /* Common variables are recorded in the minimal symbol
                    /* Common variables are recorded in the minimal symbol
                       table, except for section symbols.  */
                       table, except for section symbols.  */
                    if (*namestring != '.')
                    if (*namestring != '.')
                      prim_record_minimal_symbol_and_info
                      prim_record_minimal_symbol_and_info
                        (namestring, symbol.n_value,
                        (namestring, symbol.n_value,
                         sclass == C_HIDEXT ? mst_file_bss : mst_bss,
                         sclass == C_HIDEXT ? mst_file_bss : mst_bss,
                         secnum_to_section (symbol.n_scnum, objfile),
                         secnum_to_section (symbol.n_scnum, objfile),
                         NULL, objfile);
                         NULL, objfile);
                    break;
                    break;
                  }
                  }
                break;
                break;
 
 
              default:
              default:
                break;
                break;
              }
              }
          }
          }
          break;
          break;
        case C_FILE:
        case C_FILE:
          {
          {
            unsigned int symnum_before;
            unsigned int symnum_before;
 
 
            symnum_before = ssymnum;
            symnum_before = ssymnum;
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
                      &ssymnum, objfile);
                      &ssymnum, objfile);
 
 
            /* See if the last csect needs to be recorded.  */
            /* See if the last csect needs to be recorded.  */
 
 
            if (last_csect_name && !misc_func_recorded)
            if (last_csect_name && !misc_func_recorded)
              {
              {
 
 
                /* If no misc. function recorded in the last seen csect, enter
                /* If no misc. function recorded in the last seen csect, enter
                   it as a function.  This will take care of functions like
                   it as a function.  This will take care of functions like
                   strcmp() compiled by xlc.  */
                   strcmp() compiled by xlc.  */
 
 
                RECORD_MINIMAL_SYMBOL
                RECORD_MINIMAL_SYMBOL
                  (last_csect_name, last_csect_val,
                  (last_csect_name, last_csect_val,
                   mst_text, last_csect_sec, objfile);
                   mst_text, last_csect_sec, objfile);
              }
              }
 
 
            if (pst)
            if (pst)
              {
              {
                xcoff_end_psymtab (pst, psymtab_include_list, includes_used,
                xcoff_end_psymtab (pst, psymtab_include_list, includes_used,
                                   symnum_before, dependency_list,
                                   symnum_before, dependency_list,
                                   dependencies_used, textlow_not_set);
                                   dependencies_used, textlow_not_set);
                includes_used = 0;
                includes_used = 0;
                dependencies_used = 0;
                dependencies_used = 0;
              }
              }
            first_fun_line_offset = 0;
            first_fun_line_offset = 0;
 
 
            /* XCOFF, according to the AIX 3.2 documentation, puts the
            /* XCOFF, according to the AIX 3.2 documentation, puts the
               filename in cs->c_name.  But xlc 1.3.0.2 has decided to
               filename in cs->c_name.  But xlc 1.3.0.2 has decided to
               do things the standard COFF way and put it in the auxent.
               do things the standard COFF way and put it in the auxent.
               We use the auxent if the symbol is ".file" and an auxent
               We use the auxent if the symbol is ".file" and an auxent
               exists, otherwise use the symbol itself.  */
               exists, otherwise use the symbol itself.  */
            if (!strcmp (namestring, ".file") && symbol.n_numaux > 0)
            if (!strcmp (namestring, ".file") && symbol.n_numaux > 0)
              {
              {
                filestring = coff_getfilename (&main_aux[0], objfile);
                filestring = coff_getfilename (&main_aux[0], objfile);
              }
              }
            else
            else
              filestring = namestring;
              filestring = namestring;
 
 
            pst = xcoff_start_psymtab (objfile,
            pst = xcoff_start_psymtab (objfile,
                                       filestring,
                                       filestring,
                                       symnum_before,
                                       symnum_before,
                                       objfile->global_psymbols.next,
                                       objfile->global_psymbols.next,
                                       objfile->static_psymbols.next);
                                       objfile->static_psymbols.next);
            last_csect_name = NULL;
            last_csect_name = NULL;
          }
          }
          break;
          break;
 
 
        default:
        default:
          {
          {
            complaint (&symfile_complaints,
            complaint (&symfile_complaints,
                       _("Storage class %d not recognized during scan"), sclass);
                       _("Storage class %d not recognized during scan"), sclass);
          }
          }
          /* FALLTHROUGH */
          /* FALLTHROUGH */
 
 
          /* C_FCN is .bf and .ef symbols.  I think it is sufficient
          /* C_FCN is .bf and .ef symbols.  I think it is sufficient
             to handle only the C_FUN and C_EXT.  */
             to handle only the C_FUN and C_EXT.  */
        case C_FCN:
        case C_FCN:
 
 
        case C_BSTAT:
        case C_BSTAT:
        case C_ESTAT:
        case C_ESTAT:
        case C_ARG:
        case C_ARG:
        case C_REGPARM:
        case C_REGPARM:
        case C_REG:
        case C_REG:
        case C_TPDEF:
        case C_TPDEF:
        case C_STRTAG:
        case C_STRTAG:
        case C_UNTAG:
        case C_UNTAG:
        case C_ENTAG:
        case C_ENTAG:
        case C_LABEL:
        case C_LABEL:
        case C_NULL:
        case C_NULL:
 
 
          /* C_EINCL means we are switching back to the main file.  But there
          /* C_EINCL means we are switching back to the main file.  But there
             is no reason to care; the only thing we want to know about
             is no reason to care; the only thing we want to know about
             includes is the names of all the included (.h) files.  */
             includes is the names of all the included (.h) files.  */
        case C_EINCL:
        case C_EINCL:
 
 
        case C_BLOCK:
        case C_BLOCK:
 
 
          /* I don't think C_STAT is used in xcoff; C_HIDEXT appears to be
          /* I don't think C_STAT is used in xcoff; C_HIDEXT appears to be
             used instead.  */
             used instead.  */
        case C_STAT:
        case C_STAT:
 
 
          /* I don't think the name of the common block (as opposed to the
          /* I don't think the name of the common block (as opposed to the
             variables within it) is something which is user visible
             variables within it) is something which is user visible
             currently.  */
             currently.  */
        case C_BCOMM:
        case C_BCOMM:
        case C_ECOMM:
        case C_ECOMM:
 
 
        case C_PSYM:
        case C_PSYM:
        case C_RPSYM:
        case C_RPSYM:
 
 
          /* I think we can ignore C_LSYM; types on xcoff seem to use C_DECL
          /* I think we can ignore C_LSYM; types on xcoff seem to use C_DECL
             so C_LSYM would appear to be only for locals.  */
             so C_LSYM would appear to be only for locals.  */
        case C_LSYM:
        case C_LSYM:
 
 
        case C_AUTO:
        case C_AUTO:
        case C_RSYM:
        case C_RSYM:
          {
          {
            /* We probably could save a few instructions by assuming that
            /* We probably could save a few instructions by assuming that
               C_LSYM, C_PSYM, etc., never have auxents.  */
               C_LSYM, C_PSYM, etc., never have auxents.  */
            int naux1 = symbol.n_numaux + 1;
            int naux1 = symbol.n_numaux + 1;
            ssymnum += naux1;
            ssymnum += naux1;
            sraw_symbol += bfd_coff_symesz (abfd) * naux1;
            sraw_symbol += bfd_coff_symesz (abfd) * naux1;
          }
          }
          break;
          break;
 
 
        case C_BINCL:
        case C_BINCL:
          {
          {
            /* Mark down an include file in the current psymtab */
            /* Mark down an include file in the current psymtab */
            enum language tmp_language;
            enum language tmp_language;
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
                      &ssymnum, objfile);
                      &ssymnum, objfile);
 
 
            tmp_language = deduce_language_from_filename (namestring);
            tmp_language = deduce_language_from_filename (namestring);
 
 
            /* Only change the psymtab's language if we've learned
            /* Only change the psymtab's language if we've learned
               something useful (eg. tmp_language is not language_unknown).
               something useful (eg. tmp_language is not language_unknown).
               In addition, to match what start_subfile does, never change
               In addition, to match what start_subfile does, never change
               from C++ to C.  */
               from C++ to C.  */
            if (tmp_language != language_unknown
            if (tmp_language != language_unknown
                && (tmp_language != language_c
                && (tmp_language != language_c
                    || psymtab_language != language_cplus))
                    || psymtab_language != language_cplus))
              psymtab_language = tmp_language;
              psymtab_language = tmp_language;
 
 
            /* In C++, one may expect the same filename to come round many
            /* In C++, one may expect the same filename to come round many
               times, when code is coming alternately from the main file
               times, when code is coming alternately from the main file
               and from inline functions in other files. So I check to see
               and from inline functions in other files. So I check to see
               if this is a file we've seen before -- either the main
               if this is a file we've seen before -- either the main
               source file, or a previously included file.
               source file, or a previously included file.
 
 
               This seems to be a lot of time to be spending on N_SOL, but
               This seems to be a lot of time to be spending on N_SOL, but
               things like "break c-exp.y:435" need to work (I
               things like "break c-exp.y:435" need to work (I
               suppose the psymtab_include_list could be hashed or put
               suppose the psymtab_include_list could be hashed or put
               in a binary tree, if profiling shows this is a major hog).  */
               in a binary tree, if profiling shows this is a major hog).  */
            if (pst && strcmp (namestring, pst->filename) == 0)
            if (pst && strcmp (namestring, pst->filename) == 0)
              continue;
              continue;
            {
            {
              int i;
              int i;
              for (i = 0; i < includes_used; i++)
              for (i = 0; i < includes_used; i++)
                if (strcmp (namestring, psymtab_include_list[i]) == 0)
                if (strcmp (namestring, psymtab_include_list[i]) == 0)
                  {
                  {
                    i = -1;
                    i = -1;
                    break;
                    break;
                  }
                  }
              if (i == -1)
              if (i == -1)
                continue;
                continue;
            }
            }
            psymtab_include_list[includes_used++] = namestring;
            psymtab_include_list[includes_used++] = namestring;
            if (includes_used >= includes_allocated)
            if (includes_used >= includes_allocated)
              {
              {
                char **orig = psymtab_include_list;
                char **orig = psymtab_include_list;
 
 
                psymtab_include_list = (char **)
                psymtab_include_list = (char **)
                  alloca ((includes_allocated *= 2) *
                  alloca ((includes_allocated *= 2) *
                          sizeof (char *));
                          sizeof (char *));
                memcpy (psymtab_include_list, orig,
                memcpy (psymtab_include_list, orig,
                        includes_used * sizeof (char *));
                        includes_used * sizeof (char *));
              }
              }
            continue;
            continue;
          }
          }
        case C_FUN:
        case C_FUN:
          /* The value of the C_FUN is not the address of the function (it
          /* The value of the C_FUN is not the address of the function (it
             appears to be the address before linking), but as long as it
             appears to be the address before linking), but as long as it
             is smaller than the actual address, then find_pc_partial_function
             is smaller than the actual address, then find_pc_partial_function
             will use the minimal symbols instead.  I hope.  */
             will use the minimal symbols instead.  I hope.  */
 
 
        case C_GSYM:
        case C_GSYM:
        case C_ECOML:
        case C_ECOML:
        case C_DECL:
        case C_DECL:
        case C_STSYM:
        case C_STSYM:
          {
          {
            char *p;
            char *p;
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
            swap_sym (&symbol, &main_aux[0], &namestring, &sraw_symbol,
                      &ssymnum, objfile);
                      &ssymnum, objfile);
 
 
            p = (char *) strchr (namestring, ':');
            p = (char *) strchr (namestring, ':');
            if (!p)
            if (!p)
              continue;                 /* Not a debugging symbol.   */
              continue;                 /* Not a debugging symbol.   */
 
 
            /* Main processing section for debugging symbols which
            /* Main processing section for debugging symbols which
               the initial read through the symbol tables needs to worry
               the initial read through the symbol tables needs to worry
               about.  If we reach this point, the symbol which we are
               about.  If we reach this point, the symbol which we are
               considering is definitely one we are interested in.
               considering is definitely one we are interested in.
               p must also contain the (valid) index into the namestring
               p must also contain the (valid) index into the namestring
               which indicates the debugging type symbol.  */
               which indicates the debugging type symbol.  */
 
 
            switch (p[1])
            switch (p[1])
              {
              {
              case 'S':
              case 'S':
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
 
 
                if (gdbarch_static_transform_name_p (gdbarch))
                if (gdbarch_static_transform_name_p (gdbarch))
                  namestring = gdbarch_static_transform_name
                  namestring = gdbarch_static_transform_name
                                 (gdbarch, namestring);
                                 (gdbarch, namestring);
 
 
                add_psymbol_to_list (namestring, p - namestring, 1,
                add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_STATIC,
                                     VAR_DOMAIN, LOC_STATIC,
                                     &objfile->static_psymbols,
                                     &objfile->static_psymbols,
                                     0, symbol.n_value,
                                     0, symbol.n_value,
                                     psymtab_language, objfile);
                                     psymtab_language, objfile);
                continue;
                continue;
 
 
              case 'G':
              case 'G':
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_DATA (objfile));
                /* The addresses in these entries are reported to be
                /* The addresses in these entries are reported to be
                   wrong.  See the code that reads 'G's for symtabs. */
                   wrong.  See the code that reads 'G's for symtabs. */
                add_psymbol_to_list (namestring, p - namestring, 1,
                add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_STATIC,
                                     VAR_DOMAIN, LOC_STATIC,
                                     &objfile->global_psymbols,
                                     &objfile->global_psymbols,
                                     0, symbol.n_value,
                                     0, symbol.n_value,
                                     psymtab_language, objfile);
                                     psymtab_language, objfile);
                continue;
                continue;
 
 
              case 'T':
              case 'T':
                /* When a 'T' entry is defining an anonymous enum, it
                /* When a 'T' entry is defining an anonymous enum, it
                   may have a name which is the empty string, or a
                   may have a name which is the empty string, or a
                   single space.  Since they're not really defining a
                   single space.  Since they're not really defining a
                   symbol, those shouldn't go in the partial symbol
                   symbol, those shouldn't go in the partial symbol
                   table.  We do pick up the elements of such enums at
                   table.  We do pick up the elements of such enums at
                   'check_enum:', below.  */
                   'check_enum:', below.  */
                if (p >= namestring + 2
                if (p >= namestring + 2
                    || (p == namestring + 1
                    || (p == namestring + 1
                        && namestring[0] != ' '))
                        && namestring[0] != ' '))
                  {
                  {
                    add_psymbol_to_list (namestring, p - namestring, 1,
                    add_psymbol_to_list (namestring, p - namestring, 1,
                                         STRUCT_DOMAIN, LOC_TYPEDEF,
                                         STRUCT_DOMAIN, LOC_TYPEDEF,
                                         &objfile->static_psymbols,
                                         &objfile->static_psymbols,
                                         symbol.n_value, 0,
                                         symbol.n_value, 0,
                                         psymtab_language, objfile);
                                         psymtab_language, objfile);
                    if (p[2] == 't')
                    if (p[2] == 't')
                      {
                      {
                        /* Also a typedef with the same name.  */
                        /* Also a typedef with the same name.  */
                        add_psymbol_to_list (namestring, p - namestring, 1,
                        add_psymbol_to_list (namestring, p - namestring, 1,
                                             VAR_DOMAIN, LOC_TYPEDEF,
                                             VAR_DOMAIN, LOC_TYPEDEF,
                                             &objfile->static_psymbols,
                                             &objfile->static_psymbols,
                                             symbol.n_value, 0,
                                             symbol.n_value, 0,
                                             psymtab_language, objfile);
                                             psymtab_language, objfile);
                        p += 1;
                        p += 1;
                      }
                      }
                  }
                  }
                goto check_enum;
                goto check_enum;
 
 
              case 't':
              case 't':
                if (p != namestring)    /* a name is there, not just :T... */
                if (p != namestring)    /* a name is there, not just :T... */
                  {
                  {
                    add_psymbol_to_list (namestring, p - namestring, 1,
                    add_psymbol_to_list (namestring, p - namestring, 1,
                                         VAR_DOMAIN, LOC_TYPEDEF,
                                         VAR_DOMAIN, LOC_TYPEDEF,
                                         &objfile->static_psymbols,
                                         &objfile->static_psymbols,
                                         symbol.n_value, 0,
                                         symbol.n_value, 0,
                                         psymtab_language, objfile);
                                         psymtab_language, objfile);
                  }
                  }
              check_enum:
              check_enum:
                /* If this is an enumerated type, we need to
                /* If this is an enumerated type, we need to
                   add all the enum constants to the partial symbol
                   add all the enum constants to the partial symbol
                   table.  This does not cover enums without names, e.g.
                   table.  This does not cover enums without names, e.g.
                   "enum {a, b} c;" in C, but fortunately those are
                   "enum {a, b} c;" in C, but fortunately those are
                   rare.  There is no way for GDB to find those from the
                   rare.  There is no way for GDB to find those from the
                   enum type without spending too much time on it.  Thus
                   enum type without spending too much time on it.  Thus
                   to solve this problem, the compiler needs to put out the
                   to solve this problem, the compiler needs to put out the
                   enum in a nameless type.  GCC2 does this.  */
                   enum in a nameless type.  GCC2 does this.  */
 
 
                /* We are looking for something of the form
                /* We are looking for something of the form
                   <name> ":" ("t" | "T") [<number> "="] "e"
                   <name> ":" ("t" | "T") [<number> "="] "e"
                   {<constant> ":" <value> ","} ";".  */
                   {<constant> ":" <value> ","} ";".  */
 
 
                /* Skip over the colon and the 't' or 'T'.  */
                /* Skip over the colon and the 't' or 'T'.  */
                p += 2;
                p += 2;
                /* This type may be given a number.  Also, numbers can come
                /* This type may be given a number.  Also, numbers can come
                   in pairs like (0,26).  Skip over it.  */
                   in pairs like (0,26).  Skip over it.  */
                while ((*p >= '0' && *p <= '9')
                while ((*p >= '0' && *p <= '9')
                       || *p == '(' || *p == ',' || *p == ')'
                       || *p == '(' || *p == ',' || *p == ')'
                       || *p == '=')
                       || *p == '=')
                  p++;
                  p++;
 
 
                if (*p++ == 'e')
                if (*p++ == 'e')
                  {
                  {
                    /* The aix4 compiler emits extra crud before the members.  */
                    /* The aix4 compiler emits extra crud before the members.  */
                    if (*p == '-')
                    if (*p == '-')
                      {
                      {
                        /* Skip over the type (?).  */
                        /* Skip over the type (?).  */
                        while (*p != ':')
                        while (*p != ':')
                          p++;
                          p++;
 
 
                        /* Skip over the colon.  */
                        /* Skip over the colon.  */
                        p++;
                        p++;
                      }
                      }
 
 
                    /* We have found an enumerated type.  */
                    /* We have found an enumerated type.  */
                    /* According to comments in read_enum_type
                    /* According to comments in read_enum_type
                       a comma could end it instead of a semicolon.
                       a comma could end it instead of a semicolon.
                       I don't know where that happens.
                       I don't know where that happens.
                       Accept either.  */
                       Accept either.  */
                    while (*p && *p != ';' && *p != ',')
                    while (*p && *p != ';' && *p != ',')
                      {
                      {
                        char *q;
                        char *q;
 
 
                        /* Check for and handle cretinous dbx symbol name
                        /* Check for and handle cretinous dbx symbol name
                           continuation!  */
                           continuation!  */
                        if (*p == '\\' || (*p == '?' && p[1] == '\0'))
                        if (*p == '\\' || (*p == '?' && p[1] == '\0'))
                          p = next_symbol_text (objfile);
                          p = next_symbol_text (objfile);
 
 
                        /* Point to the character after the name
                        /* Point to the character after the name
                           of the enum constant.  */
                           of the enum constant.  */
                        for (q = p; *q && *q != ':'; q++)
                        for (q = p; *q && *q != ':'; q++)
                          ;
                          ;
                        /* Note that the value doesn't matter for
                        /* Note that the value doesn't matter for
                           enum constants in psymtabs, just in symtabs.  */
                           enum constants in psymtabs, just in symtabs.  */
                        add_psymbol_to_list (p, q - p, 1,
                        add_psymbol_to_list (p, q - p, 1,
                                             VAR_DOMAIN, LOC_CONST,
                                             VAR_DOMAIN, LOC_CONST,
                                             &objfile->static_psymbols, 0,
                                             &objfile->static_psymbols, 0,
                                             0, psymtab_language, objfile);
                                             0, psymtab_language, objfile);
                        /* Point past the name.  */
                        /* Point past the name.  */
                        p = q;
                        p = q;
                        /* Skip over the value.  */
                        /* Skip over the value.  */
                        while (*p && *p != ',')
                        while (*p && *p != ',')
                          p++;
                          p++;
                        /* Advance past the comma.  */
                        /* Advance past the comma.  */
                        if (*p)
                        if (*p)
                          p++;
                          p++;
                      }
                      }
                  }
                  }
                continue;
                continue;
 
 
              case 'c':
              case 'c':
                /* Constant, e.g. from "const" in Pascal.  */
                /* Constant, e.g. from "const" in Pascal.  */
                add_psymbol_to_list (namestring, p - namestring, 1,
                add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_CONST,
                                     VAR_DOMAIN, LOC_CONST,
                                     &objfile->static_psymbols, symbol.n_value,
                                     &objfile->static_psymbols, symbol.n_value,
                                     0, psymtab_language, objfile);
                                     0, psymtab_language, objfile);
                continue;
                continue;
 
 
              case 'f':
              case 'f':
                if (! pst)
                if (! pst)
                  {
                  {
                    int name_len = p - namestring;
                    int name_len = p - namestring;
                    char *name = xmalloc (name_len + 1);
                    char *name = xmalloc (name_len + 1);
                    memcpy (name, namestring, name_len);
                    memcpy (name, namestring, name_len);
                    name[name_len] = '\0';
                    name[name_len] = '\0';
                    function_outside_compilation_unit_complaint (name);
                    function_outside_compilation_unit_complaint (name);
                    xfree (name);
                    xfree (name);
                  }
                  }
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
                add_psymbol_to_list (namestring, p - namestring, 1,
                add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     &objfile->static_psymbols,
                                     &objfile->static_psymbols,
                                     0, symbol.n_value,
                                     0, symbol.n_value,
                                     psymtab_language, objfile);
                                     psymtab_language, objfile);
                continue;
                continue;
 
 
                /* Global functions were ignored here, but now they
                /* Global functions were ignored here, but now they
                   are put into the global psymtab like one would expect.
                   are put into the global psymtab like one would expect.
                   They're also in the minimal symbol table.  */
                   They're also in the minimal symbol table.  */
              case 'F':
              case 'F':
                if (! pst)
                if (! pst)
                  {
                  {
                    int name_len = p - namestring;
                    int name_len = p - namestring;
                    char *name = xmalloc (name_len + 1);
                    char *name = xmalloc (name_len + 1);
                    memcpy (name, namestring, name_len);
                    memcpy (name, namestring, name_len);
                    name[name_len] = '\0';
                    name[name_len] = '\0';
                    function_outside_compilation_unit_complaint (name);
                    function_outside_compilation_unit_complaint (name);
                    xfree (name);
                    xfree (name);
                  }
                  }
 
 
                /* We need only the minimal symbols for these
                /* We need only the minimal symbols for these
                   loader-generated definitions.   Keeping the global
                   loader-generated definitions.   Keeping the global
                   symbols leads to "in psymbols but not in symbols"
                   symbols leads to "in psymbols but not in symbols"
                   errors. */
                   errors. */
                if (strncmp (namestring, "@FIX", 4) == 0)
                if (strncmp (namestring, "@FIX", 4) == 0)
                  continue;
                  continue;
 
 
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
                symbol.n_value += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile));
                add_psymbol_to_list (namestring, p - namestring, 1,
                add_psymbol_to_list (namestring, p - namestring, 1,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     VAR_DOMAIN, LOC_BLOCK,
                                     &objfile->global_psymbols,
                                     &objfile->global_psymbols,
                                     0, symbol.n_value,
                                     0, symbol.n_value,
                                     psymtab_language, objfile);
                                     psymtab_language, objfile);
                continue;
                continue;
 
 
                /* Two things show up here (hopefully); static symbols of
                /* Two things show up here (hopefully); static symbols of
                   local scope (static used inside braces) or extensions
                   local scope (static used inside braces) or extensions
                   of structure symbols.  We can ignore both.  */
                   of structure symbols.  We can ignore both.  */
              case 'V':
              case 'V':
              case '(':
              case '(':
              case '0':
              case '0':
              case '1':
              case '1':
              case '2':
              case '2':
              case '3':
              case '3':
              case '4':
              case '4':
              case '5':
              case '5':
              case '6':
              case '6':
              case '7':
              case '7':
              case '8':
              case '8':
              case '9':
              case '9':
              case '-':
              case '-':
              case '#':         /* for symbol identification (used in live ranges) */
              case '#':         /* for symbol identification (used in live ranges) */
                continue;
                continue;
 
 
              case ':':
              case ':':
                /* It is a C++ nested symbol.  We don't need to record it
                /* It is a C++ nested symbol.  We don't need to record it
                   (I don't think); if we try to look up foo::bar::baz,
                   (I don't think); if we try to look up foo::bar::baz,
                   then symbols for the symtab containing foo should get
                   then symbols for the symtab containing foo should get
                   read in, I think.  */
                   read in, I think.  */
                /* Someone says sun cc puts out symbols like
                /* Someone says sun cc puts out symbols like
                   /foo/baz/maclib::/usr/local/bin/maclib,
                   /foo/baz/maclib::/usr/local/bin/maclib,
                   which would get here with a symbol type of ':'.  */
                   which would get here with a symbol type of ':'.  */
                continue;
                continue;
 
 
              default:
              default:
                /* Unexpected symbol descriptor.  The second and subsequent stabs
                /* Unexpected symbol descriptor.  The second and subsequent stabs
                   of a continued stab can show up here.  The question is
                   of a continued stab can show up here.  The question is
                   whether they ever can mimic a normal stab--it would be
                   whether they ever can mimic a normal stab--it would be
                   nice if not, since we certainly don't want to spend the
                   nice if not, since we certainly don't want to spend the
                   time searching to the end of every string looking for
                   time searching to the end of every string looking for
                   a backslash.  */
                   a backslash.  */
 
 
                complaint (&symfile_complaints,
                complaint (&symfile_complaints,
                           _("unknown symbol descriptor `%c'"), p[1]);
                           _("unknown symbol descriptor `%c'"), p[1]);
 
 
                /* Ignore it; perhaps it is an extension that we don't
                /* Ignore it; perhaps it is an extension that we don't
                   know about.  */
                   know about.  */
                continue;
                continue;
              }
              }
          }
          }
        }
        }
    }
    }
 
 
  if (pst)
  if (pst)
    {
    {
      xcoff_end_psymtab (pst, psymtab_include_list, includes_used,
      xcoff_end_psymtab (pst, psymtab_include_list, includes_used,
                         ssymnum, dependency_list,
                         ssymnum, dependency_list,
                         dependencies_used, textlow_not_set);
                         dependencies_used, textlow_not_set);
    }
    }
 
 
  /* Record the toc offset value of this symbol table into objfile structure.
  /* Record the toc offset value of this symbol table into objfile structure.
     If no XMC_TC0 is found, toc_offset should be zero. Another place to obtain
     If no XMC_TC0 is found, toc_offset should be zero. Another place to obtain
     this information would be file auxiliary header. */
     this information would be file auxiliary header. */
 
 
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->toc_offset = toc_offset;
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->toc_offset = toc_offset;
}
}
 
 
/* Return the toc offset value for a given objfile.  */
/* Return the toc offset value for a given objfile.  */
 
 
CORE_ADDR
CORE_ADDR
xcoff_get_toc_offset (struct objfile *objfile)
xcoff_get_toc_offset (struct objfile *objfile)
{
{
  if (objfile)
  if (objfile)
    return ((struct coff_symfile_info *) objfile->deprecated_sym_private)->toc_offset;
    return ((struct coff_symfile_info *) objfile->deprecated_sym_private)->toc_offset;
  return 0;
  return 0;
}
}
 
 
/* Scan and build partial symbols for a symbol file.
/* Scan and build partial symbols for a symbol file.
   We have been initialized by a call to dbx_symfile_init, which
   We have been initialized by a call to dbx_symfile_init, which
   put all the relevant info into a "struct dbx_symfile_info",
   put all the relevant info into a "struct dbx_symfile_info",
   hung off the objfile structure.
   hung off the objfile structure.
 
 
   SECTION_OFFSETS contains offsets relative to which the symbols in the
   SECTION_OFFSETS contains offsets relative to which the symbols in the
   various sections are (depending where the sections were actually loaded).
   various sections are (depending where the sections were actually loaded).
*/
*/
 
 
static void
static void
xcoff_initial_scan (struct objfile *objfile, int symfile_flags)
xcoff_initial_scan (struct objfile *objfile, int symfile_flags)
{
{
  bfd *abfd;
  bfd *abfd;
  int val;
  int val;
  struct cleanup *back_to;
  struct cleanup *back_to;
  int num_symbols;              /* # of symbols */
  int num_symbols;              /* # of symbols */
  file_ptr symtab_offset;       /* symbol table and */
  file_ptr symtab_offset;       /* symbol table and */
  file_ptr stringtab_offset;    /* string table file offsets */
  file_ptr stringtab_offset;    /* string table file offsets */
  struct coff_symfile_info *info;
  struct coff_symfile_info *info;
  char *name;
  char *name;
  unsigned int size;
  unsigned int size;
 
 
  info = (struct coff_symfile_info *) objfile->deprecated_sym_private;
  info = (struct coff_symfile_info *) objfile->deprecated_sym_private;
  symfile_bfd = abfd = objfile->obfd;
  symfile_bfd = abfd = objfile->obfd;
  name = objfile->name;
  name = objfile->name;
 
 
  num_symbols = bfd_get_symcount (abfd);        /* # of symbols */
  num_symbols = bfd_get_symcount (abfd);        /* # of symbols */
  symtab_offset = obj_sym_filepos (abfd);       /* symbol table file offset */
  symtab_offset = obj_sym_filepos (abfd);       /* symbol table file offset */
  stringtab_offset = symtab_offset +
  stringtab_offset = symtab_offset +
    num_symbols * coff_data (abfd)->local_symesz;
    num_symbols * coff_data (abfd)->local_symesz;
 
 
  info->min_lineno_offset = 0;
  info->min_lineno_offset = 0;
  info->max_lineno_offset = 0;
  info->max_lineno_offset = 0;
  bfd_map_over_sections (abfd, find_linenos, info);
  bfd_map_over_sections (abfd, find_linenos, info);
 
 
  if (num_symbols > 0)
  if (num_symbols > 0)
    {
    {
      /* Read the string table.  */
      /* Read the string table.  */
      init_stringtab (abfd, stringtab_offset, objfile);
      init_stringtab (abfd, stringtab_offset, objfile);
 
 
      /* Read the .debug section, if present.  */
      /* Read the .debug section, if present.  */
      {
      {
        struct bfd_section *secp;
        struct bfd_section *secp;
        bfd_size_type length;
        bfd_size_type length;
        char *debugsec = NULL;
        char *debugsec = NULL;
 
 
        secp = bfd_get_section_by_name (abfd, ".debug");
        secp = bfd_get_section_by_name (abfd, ".debug");
        if (secp)
        if (secp)
          {
          {
            length = bfd_section_size (abfd, secp);
            length = bfd_section_size (abfd, secp);
            if (length)
            if (length)
              {
              {
                debugsec =
                debugsec =
                  (char *) obstack_alloc (&objfile->objfile_obstack, length);
                  (char *) obstack_alloc (&objfile->objfile_obstack, length);
 
 
                if (!bfd_get_section_contents (abfd, secp, debugsec,
                if (!bfd_get_section_contents (abfd, secp, debugsec,
                                               (file_ptr) 0, length))
                                               (file_ptr) 0, length))
                  {
                  {
                    error (_("Error reading .debug section of `%s': %s"),
                    error (_("Error reading .debug section of `%s': %s"),
                           name, bfd_errmsg (bfd_get_error ()));
                           name, bfd_errmsg (bfd_get_error ()));
                  }
                  }
              }
              }
          }
          }
        ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec =
        ((struct coff_symfile_info *) objfile->deprecated_sym_private)->debugsec =
          debugsec;
          debugsec;
      }
      }
    }
    }
 
 
  /* Read the symbols.  We keep them in core because we will want to
  /* Read the symbols.  We keep them in core because we will want to
     access them randomly in read_symbol*.  */
     access them randomly in read_symbol*.  */
  val = bfd_seek (abfd, symtab_offset, SEEK_SET);
  val = bfd_seek (abfd, symtab_offset, SEEK_SET);
  if (val < 0)
  if (val < 0)
    error (_("Error reading symbols from %s: %s"),
    error (_("Error reading symbols from %s: %s"),
           name, bfd_errmsg (bfd_get_error ()));
           name, bfd_errmsg (bfd_get_error ()));
  size = coff_data (abfd)->local_symesz * num_symbols;
  size = coff_data (abfd)->local_symesz * num_symbols;
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl =
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl =
    obstack_alloc (&objfile->objfile_obstack, size);
    obstack_alloc (&objfile->objfile_obstack, size);
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl_num_syms =
  ((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl_num_syms =
    num_symbols;
    num_symbols;
 
 
  val = bfd_bread (((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl,
  val = bfd_bread (((struct coff_symfile_info *) objfile->deprecated_sym_private)->symtbl,
                   size, abfd);
                   size, abfd);
  if (val != size)
  if (val != size)
    perror_with_name (_("reading symbol table"));
    perror_with_name (_("reading symbol table"));
 
 
  /* If we are reinitializing, or if we have never loaded syms yet, init */
  /* If we are reinitializing, or if we have never loaded syms yet, init */
  if (objfile->global_psymbols.size == 0 && objfile->static_psymbols.size == 0)
  if (objfile->global_psymbols.size == 0 && objfile->static_psymbols.size == 0)
    /* I'm not sure how how good num_symbols is; the rule of thumb in
    /* I'm not sure how how good num_symbols is; the rule of thumb in
       init_psymbol_list was developed for a.out.  On the one hand,
       init_psymbol_list was developed for a.out.  On the one hand,
       num_symbols includes auxents.  On the other hand, it doesn't
       num_symbols includes auxents.  On the other hand, it doesn't
       include N_SLINE.  */
       include N_SLINE.  */
    init_psymbol_list (objfile, num_symbols);
    init_psymbol_list (objfile, num_symbols);
 
 
  free_pending_blocks ();
  free_pending_blocks ();
  back_to = make_cleanup (really_free_pendings, 0);
  back_to = make_cleanup (really_free_pendings, 0);
 
 
  init_minimal_symbol_collection ();
  init_minimal_symbol_collection ();
  make_cleanup_discard_minimal_symbols ();
  make_cleanup_discard_minimal_symbols ();
 
 
  /* Now that the symbol table data of the executable file are all in core,
  /* Now that the symbol table data of the executable file are all in core,
     process them and define symbols accordingly.  */
     process them and define symbols accordingly.  */
 
 
  scan_xcoff_symtab (objfile);
  scan_xcoff_symtab (objfile);
 
 
  /* Install any minimal symbols that have been collected as the current
  /* Install any minimal symbols that have been collected as the current
     minimal symbols for this objfile. */
     minimal symbols for this objfile. */
 
 
  install_minimal_symbols (objfile);
  install_minimal_symbols (objfile);
 
 
  do_cleanups (back_to);
  do_cleanups (back_to);
}
}


static void
static void
xcoff_symfile_offsets (struct objfile *objfile, struct section_addr_info *addrs)
xcoff_symfile_offsets (struct objfile *objfile, struct section_addr_info *addrs)
{
{
  asection *sect = NULL;
  asection *sect = NULL;
  int i;
  int i;
 
 
  objfile->num_sections = bfd_count_sections (objfile->obfd);
  objfile->num_sections = bfd_count_sections (objfile->obfd);
  objfile->section_offsets = (struct section_offsets *)
  objfile->section_offsets = (struct section_offsets *)
    obstack_alloc (&objfile->objfile_obstack,
    obstack_alloc (&objfile->objfile_obstack,
                   SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
                   SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
 
 
  /* Initialize the section indexes for future use. */
  /* Initialize the section indexes for future use. */
  sect = bfd_get_section_by_name (objfile->obfd, ".text");
  sect = bfd_get_section_by_name (objfile->obfd, ".text");
  if (sect)
  if (sect)
    objfile->sect_index_text = sect->index;
    objfile->sect_index_text = sect->index;
 
 
  sect = bfd_get_section_by_name (objfile->obfd, ".data");
  sect = bfd_get_section_by_name (objfile->obfd, ".data");
  if (sect)
  if (sect)
    objfile->sect_index_data = sect->index;
    objfile->sect_index_data = sect->index;
 
 
  sect = bfd_get_section_by_name (objfile->obfd, ".bss");
  sect = bfd_get_section_by_name (objfile->obfd, ".bss");
  if (sect)
  if (sect)
    objfile->sect_index_bss = sect->index;
    objfile->sect_index_bss = sect->index;
 
 
  sect = bfd_get_section_by_name (objfile->obfd, ".rodata");
  sect = bfd_get_section_by_name (objfile->obfd, ".rodata");
  if (sect)
  if (sect)
    objfile->sect_index_rodata = sect->index;
    objfile->sect_index_rodata = sect->index;
 
 
  for (i = 0; i < objfile->num_sections; ++i)
  for (i = 0; i < objfile->num_sections; ++i)
    {
    {
      /* syms_from_objfile kindly subtracts from addr the
      /* syms_from_objfile kindly subtracts from addr the
         bfd_section_vma of the .text section.  This strikes me as
         bfd_section_vma of the .text section.  This strikes me as
         wrong--whether the offset to be applied to symbol reading is
         wrong--whether the offset to be applied to symbol reading is
         relative to the start address of the section depends on the
         relative to the start address of the section depends on the
         symbol format.  In any event, this whole "addr" concept is
         symbol format.  In any event, this whole "addr" concept is
         pretty broken (it doesn't handle any section but .text
         pretty broken (it doesn't handle any section but .text
         sensibly), so just ignore the addr parameter and use 0.
         sensibly), so just ignore the addr parameter and use 0.
         rs6000-nat.c will set the correct section offsets via
         rs6000-nat.c will set the correct section offsets via
         objfile_relocate.  */
         objfile_relocate.  */
        (objfile->section_offsets)->offsets[i] = 0;
        (objfile->section_offsets)->offsets[i] = 0;
    }
    }
}
}
 
 
/* Register our ability to parse symbols for xcoff BFD files.  */
/* Register our ability to parse symbols for xcoff BFD files.  */
 
 
static struct sym_fns xcoff_sym_fns =
static struct sym_fns xcoff_sym_fns =
{
{
 
 
  /* It is possible that coff and xcoff should be merged as
  /* It is possible that coff and xcoff should be merged as
     they do have fundamental similarities (for example, the extra storage
     they do have fundamental similarities (for example, the extra storage
     classes used for stabs could presumably be recognized in any COFF file).
     classes used for stabs could presumably be recognized in any COFF file).
     However, in addition to obvious things like all the csect hair, there are
     However, in addition to obvious things like all the csect hair, there are
     some subtler differences between xcoffread.c and coffread.c, notably
     some subtler differences between xcoffread.c and coffread.c, notably
     the fact that coffread.c has no need to read in all the symbols, but
     the fact that coffread.c has no need to read in all the symbols, but
     xcoffread.c reads all the symbols and does in fact randomly access them
     xcoffread.c reads all the symbols and does in fact randomly access them
     (in C_BSTAT and line number processing).  */
     (in C_BSTAT and line number processing).  */
 
 
  bfd_target_xcoff_flavour,
  bfd_target_xcoff_flavour,
 
 
  xcoff_new_init,               /* sym_new_init: init anything gbl to entire symtab */
  xcoff_new_init,               /* sym_new_init: init anything gbl to entire symtab */
  xcoff_symfile_init,           /* sym_init: read initial info, setup for sym_read() */
  xcoff_symfile_init,           /* sym_init: read initial info, setup for sym_read() */
  xcoff_initial_scan,           /* sym_read: read a symbol file into symtab */
  xcoff_initial_scan,           /* sym_read: read a symbol file into symtab */
  xcoff_symfile_finish,         /* sym_finish: finished with file, cleanup */
  xcoff_symfile_finish,         /* sym_finish: finished with file, cleanup */
  xcoff_symfile_offsets,        /* sym_offsets: xlate offsets ext->int form */
  xcoff_symfile_offsets,        /* sym_offsets: xlate offsets ext->int form */
  default_symfile_segments,     /* sym_segments: Get segment information from
  default_symfile_segments,     /* sym_segments: Get segment information from
                                   a file.  */
                                   a file.  */
  aix_process_linenos,          /* sym_read_linetable */
  aix_process_linenos,          /* sym_read_linetable */
  default_symfile_relocate,     /* sym_relocate: Relocate a debug section.  */
  default_symfile_relocate,     /* sym_relocate: Relocate a debug section.  */
  NULL                          /* next: pointer to next struct sym_fns */
  NULL                          /* next: pointer to next struct sym_fns */
};
};
 
 
/* Provide a prototype to silence -Wmissing-prototypes.  */
/* Provide a prototype to silence -Wmissing-prototypes.  */
extern initialize_file_ftype _initialize_xcoffread;
extern initialize_file_ftype _initialize_xcoffread;
 
 
void
void
_initialize_xcoffread (void)
_initialize_xcoffread (void)
{
{
  add_symtab_fns (&xcoff_sym_fns);
  add_symtab_fns (&xcoff_sym_fns);
}
}
 
 

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