/usr/src/gnu/usr.bin/binutils/gdb/coffread.c

Bug Summary

File:	src/gnu/usr.bin/binutils/gdb/coffread.c
Warning:	line 1487, column 22 Assigned value is garbage or undefined
Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.0 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name coffread.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model pic -pic-level 1 -pic-is-pie -mframe-pointer=all -relaxed-aliasing -fno-rounding-math -mconstructor-aliases -munwind-tables -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -resource-dir /usr/local/lib/clang/13.0.0 -D PIE_DEFAULT=1 -I . -I /usr/src/gnu/usr.bin/binutils/gdb -I /usr/src/gnu/usr.bin/binutils/gdb/config -D LOCALEDIR="/usr/share/locale" -D HAVE_CONFIG_H -I /usr/src/gnu/usr.bin/binutils/gdb/../include/opcode -I ../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../bfd -I /usr/src/gnu/usr.bin/binutils/gdb/../include -I ../intl -I /usr/src/gnu/usr.bin/binutils/gdb/../intl -D MI_OUT=1 -D TUI=1 -internal-isystem /usr/local/lib/clang/13.0.0/include -internal-externc-isystem /usr/include -O2 -fdebug-compilation-dir=/usr/src/gnu/usr.bin/binutils/obj/gdb -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fgnuc-version=4.2.1 -fcommon -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -D__GCC_HAVE_DWARF2_CFI_ASM=1 -o /home/ben/Projects/vmm/scan-build/2022-01-12-194120-40624-1 -x c /usr/src/gnu/usr.bin/binutils/gdb/coffread.c
1/* Read coff symbol tables and convert to internal format, for GDB.
 Copyright 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996,
 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004
 Free Software Foundation, Inc.
 Contributed by David D. Johnson, Brown University (ddj@cs.brown.edu).

 This file is part of GDB.

 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
 the Free Software Foundation; either version 2 of the License, or
 (at your option) any later version.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 59 Temple Place - Suite 330,
 Boston, MA 02111-1307, USA.  */

24#include "defs.h"
25#include "symtab.h"
26#include "gdbtypes.h"
27#include "demangle.h"
28#include "breakpoint.h"

30#include "bfd.h"
31#include "gdb_obstack.h"

33#include "gdb_string.h"
34#include <ctype.h>

36#include "coff/internal.h"	/* Internal format of COFF symbols in BFD */
37#include "libcoff.h"		/* FIXME secret internal data from BFD */
38#include "objfiles.h"
39#include "buildsym.h"
40#include "gdb-stabs.h"
41#include "stabsread.h"
42#include "complaints.h"
43#include "target.h"
44#include "gdb_assert.h"
45#include "block.h"
46#include "dictionary.h"

48#include "coff-pe-read.h"

50extern void _initialize_coffread (void);

52struct coff_symfile_info
{
  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 */

  CORE_ADDR textaddr;		/* Addr of .text section. */
  unsigned int textsize;	/* Size of .text section. */
  struct stab_section_list *stabsects;	/* .stab sections.  */
  asection *stabstrsect;	/* Section pointer for .stab section */
  char *stabstrdata;
};

64/* Translate an external name string into a user-visible name.  */
65#define	EXTERNAL_NAME(string, abfd)(string[0] == ((abfd)->xvec->symbol_leading_char)? string
+1: string) \
(string[0] == bfd_get_symbol_leading_char(abfd)((abfd)->xvec->symbol_leading_char)? string+1: string)

68/* To be an sdb debug type, type must have at least a basic or primary
 derived type.  Using this rather than checking against T_NULL is
 said to prevent core dumps if we try to operate on Michael Bloom
 dbx-in-coff file.  */

73#define SDB_TYPE(type)(((type) & local_n_btmask) | (type & local_n_tmask)) (BTYPE(type)((type) & local_n_btmask) | (type & N_TMASKlocal_n_tmask))

75/* Core address of start and end of text of current source file.
 This comes from a ".text" symbol where x_nlinno > 0.  */

78static CORE_ADDR current_source_start_addr;
79static CORE_ADDR current_source_end_addr;

81/* The addresses of the symbol table stream and number of symbols
 of the object file we are reading (as copied into core).  */

84static bfd *nlist_bfd_global;
85static int nlist_nsyms_global;


88/* Pointers to scratch storage, used for reading raw symbols and auxents.  */

90static char *temp_sym;
91static char *temp_aux;

93/* Local variables that hold the shift and mask values for the
 COFF file that we are currently reading.  These come back to us
 from BFD, and are referenced by their macro names, as well as
 internally to the BTYPE, ISPTR, ISFCN, ISARY, ISTAG, and DECREF
 macros from include/coff/internal.h .  */

99static unsigned local_n_btmask;
100static unsigned local_n_btshft;
101static unsigned local_n_tmask;
102static unsigned local_n_tshift;

104#define	N_BTMASKlocal_n_btmask	local_n_btmask
105#define	N_BTSHFTlocal_n_btshft	local_n_btshft
106#define	N_TMASKlocal_n_tmask		local_n_tmask
107#define	N_TSHIFTlocal_n_tshift	local_n_tshift

109/* Local variables that hold the sizes in the file of various COFF structures.
 (We only need to know this to read them from the file -- BFD will then
 translate the data in them, into `internal_xxx' structs in the right
 byte order, alignment, etc.)  */

114static unsigned local_linesz;
115static unsigned local_symesz;
116static unsigned local_auxesz;

118/* This is set if this is a PE format file.  */

120static int pe_file;

122/* Chain of typedefs of pointers to empty struct/union types.
 They are chained thru the SYMBOL_VALUE_CHAIN.  */

125static struct symbol *opaque_type_chain[HASHSIZE127];

127/* Simplified internal version of coff symbol table information */

129struct coff_symbol
{
  char *c_name;
  int c_symnum;		/* symbol number of this entry */
  int c_naux;			/* 0 if syment only, 1 if syment + auxent, etc */
  long c_value;
  int c_sclass;
  int c_secnum;
  unsigned int c_type;
};

140extern void stabsread_clear_cache (void);

142static struct type *coff_read_struct_type (int, int, int);

144static struct type *decode_base_type (struct coff_symbol *,
		      unsigned int, union internal_auxent *);

147static struct type *decode_type (struct coff_symbol *, unsigned int,
		 union internal_auxent *);

150static struct type *decode_function_type (struct coff_symbol *,
			  unsigned int,
			  union internal_auxent *);

154static struct type *coff_read_enum_type (int, int, int);

156static struct symbol *process_coff_symbol (struct coff_symbol *,
			   union internal_auxent *,
			   struct objfile *);

160static void patch_opaque_types (struct symtab *);

162static void enter_linenos (long, int, int, struct objfile *);

164static void free_linetab (void);

166static void free_linetab_cleanup (void *ignore);

168static int init_lineno (bfd *, long, int);

170static char *getsymname (struct internal_syment *);

172static char *coff_getfilename (union internal_auxent *);

174static void free_stringtab (void);

176static void free_stringtab_cleanup (void *ignore);

178static int init_stringtab (bfd *, long);

180static void read_one_sym (struct coff_symbol *,
	  struct internal_syment *, union internal_auxent *);

183static void coff_symtab_read (long, unsigned int, struct objfile *);
184
185/* We are called once per section from coff_symfile_read.  We
 need to examine each section we are passed, check to see
 if it is something we are interested in processing, and
 if so, stash away some access information for the section.

 FIXME: The section names should not be hardwired strings (what
 should they be?  I don't think most object file formats have enough
 section flags to specify what kind of debug section it is
 -kingdon).  */

195static void
196coff_locate_sections (bfd *abfd, asection *sectp, void *csip)
197{
struct coff_symfile_info *csi;
const char *name;

csi = (struct coff_symfile_info *) csip;
name = bfd_get_section_name (abfd, sectp)((sectp)->name + 0);
if (DEPRECATED_STREQ (name, ".text")(strcmp ((name), (".text")) == 0))
  {
    csi->textaddr = bfd_section_vma (abfd, sectp)((sectp)->vma);
    csi->textsize += bfd_section_size (abfd, sectp)((sectp)->_raw_size);
  }
else if (strncmp (name, ".text", sizeof ".text" - 1) == 0)
  {
    csi->textsize += bfd_section_size (abfd, sectp)((sectp)->_raw_size);
  }
else if (DEPRECATED_STREQ (name, ".stabstr")(strcmp ((name), (".stabstr")) == 0))
  {
    csi->stabstrsect = sectp;
  }
else if (strncmp (name, ".stab", sizeof ".stab" - 1) == 0)
  {
    const char *s;

    /* We can have multiple .stab sections if linked with
       --split-by-reloc.  */
    for (s = name + sizeof ".stab" - 1; *s != '\0'; s++)
if (!isdigit (*s))
 break;
    if (*s == '\0')
{
 struct stab_section_list *n, **pn;

 n = ((struct stab_section_list *)
      xmalloc (sizeof (struct stab_section_list)));
 n->section = sectp;
 n->next = NULL((void*)0);
 for (pn = &csi->stabsects; *pn != NULL((void*)0); pn = &(*pn)->next)
   ;
 *pn = n;

 /* This will be run after coffstab_build_psymtabs is called
    in coff_symfile_read, at which point we no longer need
    the information.  */
 make_cleanup (xfree, n);
}
  }
243}

245/* Return the section_offsets* that CS points to.  */
246static int cs_to_section (struct coff_symbol *, struct objfile *);

248struct find_targ_sec_arg
{
  int targ_index;
  asection **resultp;
};

254static void
255find_targ_sec (bfd *abfd, asection *sect, void *obj)
256{
struct find_targ_sec_arg *args = (struct find_targ_sec_arg *) obj;
if (sect->target_index == args->targ_index)
  *args->resultp = sect;
260}

262/* Return the section number (SECT_OFF_*) that CS points to.  */
263static int
264cs_to_section (struct coff_symbol *cs, struct objfile *objfile)
265{
asection *sect = NULL((void*)0);
struct find_targ_sec_arg args;
int off = SECT_OFF_TEXT (objfile)((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 268, "sect_index_text not initialized"), -1) : objfile->
sect_index_text);

args.targ_index = cs->c_secnum;
args.resultp = &sect;
bfd_map_over_sections (objfile->obfd, find_targ_sec, &args);
if (sect != NULL((void*)0))
  {
    /* This is the section.  Figure out what SECT_OFF_* code it is.  */
    if (bfd_get_section_flags (abfd, sect)((sect)->flags + 0) & SEC_CODE0x020)
off = SECT_OFF_TEXT (objfile)((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 277, "sect_index_text not initialized"), -1) : objfile->
sect_index_text);
    else if (bfd_get_section_flags (abfd, sect)((sect)->flags + 0) & SEC_LOAD0x002)
off = SECT_OFF_DATA (objfile)((objfile->sect_index_data == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 279, "sect_index_data not initialized"), -1) : objfile->
sect_index_data);
    else
/* Just return the bfd section index. */
off = sect->index;
  }
return off;
285}

287/* Return the address of the section of a COFF symbol.  */

289static CORE_ADDR cs_section_address (struct coff_symbol *, bfd *);

291static CORE_ADDR
292cs_section_address (struct coff_symbol *cs, bfd *abfd)
293{
asection *sect = NULL((void*)0);
struct find_targ_sec_arg args;
CORE_ADDR addr = 0;

args.targ_index = cs->c_secnum;
args.resultp = &sect;
bfd_map_over_sections (abfd, find_targ_sec, &args);
if (sect != NULL((void*)0))
  addr = bfd_get_section_vma (objfile->obfd, sect)((sect)->vma + 0);
return addr;
304}

306/* Look up a coff type-number index.  Return the address of the slot
 where the type for that index is stored.
 The type-number is in INDEX. 

 This can be used for finding the type associated with that index
 or for associating a new type with the index.  */

313static struct type **
314coff_lookup_type (int index)
315{
if (index >= type_vector_length)
  {
    int old_vector_length = type_vector_length;

    type_vector_length *= 2;
    if (index /* is still */  >= type_vector_length)
type_vector_length = index * 2;

    type_vector = (struct type **)
xrealloc ((char *) type_vector,
  type_vector_length * sizeof (struct type *));
    memset (&type_vector[old_vector_length], 0,
(type_vector_length - old_vector_length) * sizeof (struct type *));
  }
return &type_vector[index];
331}

333/* Make sure there is a type allocated for type number index
 and return the type object.
 This can create an empty (zeroed) type object.  */

337static struct type *
338coff_alloc_type (int index)
339{
struct type **type_addr = coff_lookup_type (index);
struct type *type = *type_addr;

/* If we are referring to a type not known at all yet,
   allocate an empty type for it.
   We will fill it in later if we find out how.  */
if (type == NULL((void*)0))
  {
    type = alloc_type (current_objfile);
    *type_addr = type;
  }
return type;
352}
353
354/* Start a new symtab for a new source file.
 This is called when a COFF ".file" symbol is seen;
 it indicates the start of data for one original source file.  */

358static void
359coff_start_symtab (char *name)
360{
start_symtab (
/* We fill in the filename later.  start_symtab puts
   this pointer into last_source_file and we put it in
   subfiles->name, which end_symtab frees; that's why
   it must be malloc'd.  */
 savestring (name, strlen (name)),
/* We never know the directory name for COFF.  */
 NULL((void*)0),
/* The start address is irrelevant, since we set
   last_source_start_addr in coff_end_symtab.  */
 0);
record_debugformat ("COFF");
373}

375/* Save the vital information from when starting to read a file,
 for use when closing off the current file.
 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.  */

380static void
381complete_symtab (char *name, CORE_ADDR start_addr, unsigned int size)
382{
if (last_source_file != NULL((void*)0))
  xfree (last_source_file);
last_source_file = savestring (name, strlen (name));
current_source_start_addr = start_addr;
current_source_end_addr = start_addr + size;
388}

390/* Finish the symbol definitions for one main source file,
 close off all the lexical contexts for that file
 (creating struct block's for them), then make the
 struct symtab for that file and put it in the list of all such. */

395static void
396coff_end_symtab (struct objfile *objfile)
397{
struct symtab *symtab;

last_source_start_addr = current_source_start_addr;

symtab = end_symtab (current_source_end_addr, objfile, SECT_OFF_TEXT (objfile)((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 402, "sect_index_text not initialized"), -1) : objfile->
sect_index_text));

if (symtab != NULL((void*)0))
  free_named_symtabs (symtab->filename);

/* Reinitialize for beginning of new file. */
last_source_file = NULL((void*)0);
409}
410
411static void
412record_minimal_symbol (char *name, CORE_ADDR address,
       enum minimal_symbol_type type, struct objfile *objfile)
414{
/* We don't want TDESC entry points in the minimal symbol table */
if (name[0] == '@')
  return;

prim_record_minimal_symbol (name, address, type, objfile);
420}
421
422/* coff_symfile_init ()
 is the coff-specific initialization routine for reading symbols.
 It is passed a struct objfile which contains, among other things,
 the BFD for the file whose symbols are being read, and a slot for
 a pointer to "private data" which we fill with cookies and other
 treats for coff_symfile_read ().

 We will only be called if this is a COFF or COFF-like file.
 BFD handles figuring out the format of the file, and code in symtab.c
 uses BFD's determination to vector to us.

 The ultimate result is a new symtab (or, FIXME, eventually a psymtab).  */

435static void
436coff_symfile_init (struct objfile *objfile)
437{
/* Allocate struct to keep track of stab reading. */
objfile->sym_stab_info = (struct dbx_symfile_info *)
  xmalloc (sizeof (struct dbx_symfile_info));

memset (objfile->sym_stab_info, 0,
 sizeof (struct dbx_symfile_info));

/* Allocate struct to keep track of the symfile */
objfile->sym_private = xmalloc (sizeof (struct coff_symfile_info));

memset (objfile->sym_private, 0, sizeof (struct coff_symfile_info));

/* COFF objects may be reordered, so set OBJF_REORDERED.  If we
   find this causes a significant slowdown in gdb then we could
   set it in the debug symbol readers only when necessary.  */
objfile->flags |= OBJF_REORDERED(1 << 2);

init_entry_point_info (objfile);
456}

458/* This function is called for every section; it finds the outer limits
 of the line table (minimum and maximum file offset) so that the
 mainline code can read the whole thing for efficiency.  */

462static void
463find_linenos (bfd *abfd, struct bfd_section *asect, void *vpinfo)
464{
struct coff_symfile_info *info;
int size, count;
file_ptr offset, maxoff;

469/* WARNING WILL ROBINSON!  ACCESSING BFD-PRIVATE DATA HERE!  FIXME!  */
count = asect->lineno_count;
471/* End of warning */

if (count == 0)
  return;
size = count * local_linesz;

info = (struct coff_symfile_info *) vpinfo;
478/* WARNING WILL ROBINSON!  ACCESSING BFD-PRIVATE DATA HERE!  FIXME!  */
offset = asect->line_filepos;
480/* End of warning */

if (offset < info->min_lineno_offset || info->min_lineno_offset == 0)
  info->min_lineno_offset = offset;

maxoff = offset + size;
if (maxoff > info->max_lineno_offset)
  info->max_lineno_offset = maxoff;
488}


491/* The BFD for this file -- only good while we're actively reading
 symbols into a psymtab or a symtab.  */

494static bfd *symfile_bfd;

496/* Read a symbol file, after initialization by coff_symfile_init.  */

498static void
499coff_symfile_read (struct objfile *objfile, int mainline)
500{
struct coff_symfile_info *info;
struct dbx_symfile_info *dbxinfo;
bfd *abfd = objfile->obfd;
coff_data_type *cdata = coff_data (abfd)((abfd)->tdata.coff_obj_data);
char *name = bfd_get_filename (abfd)((char *) (abfd)->filename);
int val;
unsigned int num_symbols;
int symtab_offset;
int stringtab_offset;
struct cleanup *back_to, *cleanup_minimal_symbols;
int stabstrsize;
int len;
char * target;

info = (struct coff_symfile_info *) objfile->sym_private;
dbxinfo = objfile->sym_stab_info;
symfile_bfd = abfd;		/* Kludge for swap routines */

519/* WARNING WILL ROBINSON!  ACCESSING BFD-PRIVATE DATA HERE!  FIXME!  */
num_symbols = bfd_get_symcount (abfd)((abfd)->symcount);	/* How many syms */
symtab_offset = cdata->sym_filepos;	/* Symbol table file offset */
stringtab_offset = symtab_offset +	/* String table file offset */
  num_symbols * cdata->local_symesz;

/* Set a few file-statics that give us specific information about
   the particular COFF file format we're reading.  */
local_n_btmask = cdata->local_n_btmask;
local_n_btshft = cdata->local_n_btshft;
local_n_tmask = cdata->local_n_tmask;
local_n_tshift = cdata->local_n_tshift;
local_linesz = cdata->local_linesz;
local_symesz = cdata->local_symesz;
local_auxesz = cdata->local_auxesz;

/* Allocate space for raw symbol and aux entries, based on their
   space requirements as reported by BFD.  */
temp_sym = (char *) xmalloc
  (cdata->local_symesz + cdata->local_auxesz);
temp_aux = temp_sym + cdata->local_symesz;
back_to = make_cleanup (free_current_contents, &temp_sym);

/* We need to know whether this is a PE file, because in PE files,
   unlike standard COFF files, symbol values are stored as offsets
   from the section address, rather than as absolute addresses.
   FIXME: We should use BFD to read the symbol table, and thus avoid
   this problem.  */
pe_file =
  strncmp (bfd_get_target (objfile->obfd)((objfile->obfd)->xvec->name), "pe", 2) == 0
  || strncmp (bfd_get_target (objfile->obfd)((objfile->obfd)->xvec->name), "epoc-pe", 7) == 0;

551/* End of warning */

info->min_lineno_offset = 0;
info->max_lineno_offset = 0;

/* Only read line number information if we have symbols.

   On Windows NT, some of the system's DLL's have sections with
   PointerToLinenumbers fields that are non-zero, but point at
   random places within the image file.  (In the case I found,
   KERNEL32.DLL's .text section has a line number info pointer that
   points into the middle of the string `lib\\i386\kernel32.dll'.)

   However, these DLL's also have no symbols.  The line number
   tables are meaningless without symbols.  And in fact, GDB never
   uses the line number information unless there are symbols.  So we
   can avoid spurious error messages (and maybe run a little
   faster!) by not even reading the line number table unless we have
   symbols.  */
if (num_symbols > 0)
  {
    /* Read the line number table, all at once.  */
    bfd_map_over_sections (abfd, find_linenos, (void *) info);

    make_cleanup (free_linetab_cleanup, 0 /*ignore*/);
    val = init_lineno (abfd, info->min_lineno_offset,
                       info->max_lineno_offset - info->min_lineno_offset);
    if (val < 0)
      error ("\"%s\": error reading line numbers\n", name);
  }

/* Now read the string table, all at once.  */

make_cleanup (free_stringtab_cleanup, 0 /*ignore*/);
val = init_stringtab (abfd, stringtab_offset);
if (val < 0)
  error ("\"%s\": can't get string table", name);

init_minimal_symbol_collection ();
cleanup_minimal_symbols = make_cleanup_discard_minimal_symbols ();

/* Now that the executable file is positioned at symbol table,
   process it and define symbols accordingly.  */

coff_symtab_read ((long) symtab_offset, num_symbols, objfile);

/* Install any minimal symbols that have been collected as the current
   minimal symbols for this objfile.  */

install_minimal_symbols (objfile);

/* Free the installed minimal symbol data.  */
do_cleanups (cleanup_minimal_symbols);

/* If we are reinitializing, or if we have not loaded syms yet,
   empty the psymtab.  "mainline" is cleared so the *_read_psymtab
   functions do not all re-initialize it.  */
if (mainline)
  {
    init_psymbol_list (objfile, 0);
    mainline = 0;
  }

bfd_map_over_sections (abfd, coff_locate_sections, (void *) info);

if (info->stabsects)
  {
    if (!info->stabstrsect)
{
 error (("The debugging information in `%s' is corrupted.\n"
  "The file has a `.stabs' section, but no `.stabstr' "
  "section."),
 name);
}

    /* FIXME: dubious.  Why can't we use something normal like
       bfd_get_section_contents?  */
    bfd_seek (abfd, abfd->where, 0);

    stabstrsize = bfd_section_size (abfd, info->stabstrsect)((info->stabstrsect)->_raw_size);

    coffstab_build_psymtabs (objfile,
	       mainline,
	       info->textaddr, info->textsize,
	       info->stabsects,
	       info->stabstrsect->filepos, stabstrsize);
  }
if (dwarf2_has_info (objfile))
  {
    /* DWARF2 sections.  */
    dwarf2_build_psymtabs (objfile, mainline);
  }

dwarf2_build_frame_info (objfile);

do_cleanups (back_to);
647}

649static void
650coff_new_init (struct objfile *ignore)
651{
652}

654/* Perform any local cleanups required when we are done with a particular
 objfile.  I.E, we are in the process of discarding all symbol information
 for an objfile, freeing up all memory held for it, and unlinking the
 objfile struct from the global list of known objfiles. */

659static void
660coff_symfile_finish (struct objfile *objfile)
661{
if (objfile->sym_private != NULL((void*)0))
  {
    xfree (objfile->sym_private);
  }

/* Let stabs reader clean up */
stabsread_clear_cache ();
669}
670

672/* Given pointers to a symbol table in coff style exec file,
 analyze them and create struct symtab's describing the symbols.
 NSYMS is the number of symbols in the symbol table.
 We read them one at a time using read_one_sym ().  */

677static void
678coff_symtab_read (long symtab_offset, unsigned int nsyms,
  struct objfile *objfile)
680{
struct context_stack *new;
struct coff_symbol coff_symbol;
struct coff_symbol *cs = &coff_symbol;
static struct internal_syment main_sym;
static union internal_auxent main_aux;
struct coff_symbol fcn_cs_saved;
static struct internal_syment fcn_sym_saved;
static union internal_auxent fcn_aux_saved;
struct symtab *s;
/* A .file is open.  */
int in_source_file = 0;
int next_file_symnum = -1;
/* Name of the current file.  */
char *filestring = "";
int depth = 0;
int fcn_first_line = 0;
CORE_ADDR fcn_first_line_addr = 0;
int fcn_last_line = 0;
int fcn_start_addr = 0;
long fcn_line_ptr = 0;
int val;
CORE_ADDR tmpaddr;

/* Work around a stdio bug in SunOS4.1.1 (this makes me nervous....
   it's hard to know I've really worked around it.  The fix should be
   harmless, anyway).  The symptom of the bug is that the first
   fread (in read_one_sym), will (in my example) actually get data
   from file offset 268, when the fseek was to 264 (and ftell shows
   264).  This causes all hell to break loose.  I was unable to
   reproduce this on a short test program which operated on the same
   file, performing (I think) the same sequence of operations.

   It stopped happening when I put in this (former) rewind().

   FIXME: Find out if this has been reported to Sun, whether it has
   been fixed in a later release, etc.  */

bfd_seek (objfile->obfd, 0, 0);

/* Position to read the symbol table. */
val = bfd_seek (objfile->obfd, (long) symtab_offset, 0);
if (val < 0)
1
Assuming 'val' is >= 0→
2
←
Taking false branch→
  perror_with_name (objfile->name);

current_objfile = objfile;
nlist_bfd_global = objfile->obfd;
nlist_nsyms_global = nsyms;
last_source_file = NULL((void*)0);
memset (opaque_type_chain, 0, sizeof opaque_type_chain);

if (type_vector)		/* Get rid of previous one */
3
←
Assuming 'type_vector' is null→
4
←
Taking false branch→
  xfree (type_vector);
type_vector_length = 160;
type_vector = (struct type **)
  xmalloc (type_vector_length * sizeof (struct type *));
memset (type_vector, 0, type_vector_length * sizeof (struct type *));

coff_start_symtab ("");

symnum = 0;
while (symnum < nsyms)
5
←
Assuming 'symnum' is < 'nsyms'→
6
←
Loop condition is true.  Entering loop body→
  {
    QUIT{ if (quit_flag) quit (); if (deprecated_interactive_hook) deprecated_interactive_hook
 (); };			/* Make this command interruptable.  */
7
←
Assuming 'quit_flag' is 0→
8
←
Taking false branch→
9
←
Assuming 'deprecated_interactive_hook' is null→
10
←
Taking false branch→

    read_one_sym (cs, &main_sym, &main_aux);

    if (cs->c_symnum == next_file_symnum10.1
'next_file_symnum' is not equal to field 'c_symnum'
 && cs->c_sclass != C_FILE103)
{
 if (last_source_file)
   coff_end_symtab (objfile);

 coff_start_symtab ("_globals_");
 complete_symtab ("_globals_", 0, 0);
 /* done with all files, everything from here on out is globals */
}

    /* Special case for file with type declarations only, no text.  */
    if (!last_source_file && SDB_TYPE (cs->c_type)(((cs->c_type) & local_n_btmask) | (cs->c_type &
 local_n_tmask))
11
←
Assuming 'last_source_file' is non-null→
 && cs->c_secnum == N_DEBUG((short)-2))
complete_symtab (filestring, 0, 0);

    /* Typedefs should not be treated as symbol definitions.  */
    if (ISFCN (cs->c_type)(((unsigned long) (cs->c_type) & local_n_tmask) == ((unsigned
 long) (2) << local_n_btshft)) && cs->c_sclass != C_TPDEF13)
12
←
Assuming the condition is false→
{
 /* Record all functions -- external and static -- in minsyms. */
 tmpaddr = cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 766, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 766, "Section index is uninitialized"), -1) : objfile->section_offsets
->offsets[((objfile->sect_index_text == -1) ? (internal_error
 ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c", 766, "sect_index_text not initialized"
), -1) : objfile->sect_index_text)]);
 record_minimal_symbol (cs->c_name, tmpaddr, mst_text, objfile);

 fcn_line_ptr = main_aux.x_sym.x_fcnary.x_fcn.x_lnnoptr;
 fcn_start_addr = tmpaddr;
 fcn_cs_saved = *cs;
 fcn_sym_saved = main_sym;
 fcn_aux_saved = main_aux;
 continue;
}

    switch (cs->c_sclass)
13
←
Control jumps to 'case 101:'  at line 947→
{
case C_EFCN0xff:
case C_EXTDEF5:
case C_ULABEL7:
case C_USTATIC14:
case C_LINE104:
case C_ALIAS105:
case C_HIDDEN106:
 complaint (&symfile_complaints, "Bad n_sclass for symbol %s",
     cs->c_name);
 break;

case C_FILE103:
 /* c_value field contains symnum of next .file entry in table
    or symnum of first global after last .file.  */
 next_file_symnum = cs->c_value;
 if (cs->c_naux > 0)
   filestring = coff_getfilename (&main_aux);
 else
   filestring = "";

 /* Complete symbol table for last object file
    containing debugging information.  */
 if (last_source_file)
   {
     coff_end_symtab (objfile);
     coff_start_symtab (filestring);
   }
 in_source_file = 1;
 break;

 /* C_LABEL is used for labels and static functions.  Including
    it here allows gdb to see static functions when no debug
    info is available.  */
case C_LABEL6:
 /* However, labels within a function can make weird backtraces,
    so filter them out (from phdm@macqel.be). */
 if (within_function)
   break;
case C_STAT3:
case C_THUMBLABEL(128 + 6):
case C_THUMBSTAT(128 + 3):
case C_THUMBSTATFUNC((128 + 3) + 20):
 if (cs->c_name[0] == '.')
   {
     if (DEPRECATED_STREQ (cs->c_name, ".text")(strcmp ((cs->c_name), (".text")) == 0))
{
  /* FIXME:  don't wire in ".text" as section name
     or symbol name! */
  /* Check for in_source_file deals with case of
     a file with debugging symbols
     followed by a later file with no symbols.  */
  if (in_source_file)
    complete_symtab (filestring,
    cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 832, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 832, "Section index is uninitialized"), -1) : objfile->section_offsets
->offsets[((objfile->sect_index_text == -1) ? (internal_error
 ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c", 832, "sect_index_text not initialized"
), -1) : objfile->sect_index_text)]),
		     main_aux.x_scn.x_scnlen);
  in_source_file = 0;
}
     /* flush rest of '.' symbols */
     break;
   }
 else if (!SDB_TYPE (cs->c_type)(((cs->c_type) & local_n_btmask) | (cs->c_type &
 local_n_tmask))
   && cs->c_name[0] == 'L'
   && (strncmp (cs->c_name, "LI%", 3) == 0
       || strncmp (cs->c_name, "LF%", 3) == 0
       || strncmp (cs->c_name, "LC%", 3) == 0
       || strncmp (cs->c_name, "LP%", 3) == 0
       || strncmp (cs->c_name, "LPB%", 4) == 0
       || strncmp (cs->c_name, "LBB%", 4) == 0
       || strncmp (cs->c_name, "LBE%", 4) == 0
       || strncmp (cs->c_name, "LPBX%", 5) == 0))
   /* At least on a 3b1, gcc generates swbeg and string labels
      that look like this.  Ignore them.  */
   break;
 /* fall in for static symbols that don't start with '.' */
case C_THUMBEXT(128 + 2):
case C_THUMBEXTFUNC((128 + 2) + 20):
case C_EXT2:
 {
   /* Record it in the minimal symbols regardless of
      SDB_TYPE.  This parallels what we do for other debug
      formats, and probably is needed to make
      print_address_symbolic work right without the (now
      gone) "set fast-symbolic-addr off" kludge.  */

   enum minimal_symbol_type ms_type;
   int sec;

   if (cs->c_secnum == N_UNDEF((short)0))
     {
/* This is a common symbol.  See if the target
   environment knows where it has been relocated to.  */
CORE_ADDR reladdr;
if (target_lookup_symbol (cs->c_name, &reladdr)(*current_target.to_lookup_symbol) (cs->c_name, &reladdr
))
  {
    /* Error in lookup; ignore symbol.  */
    break;
  }
tmpaddr = reladdr;
/* The address has already been relocated; make sure that
   objfile_relocate doesn't relocate it again.  */
sec = -2;
ms_type = cs->c_sclass == C_EXT2
  || cs->c_sclass == C_THUMBEXT(128 + 2) ?
  mst_bss : mst_file_bss;
     }
    else if (cs->c_secnum == N_ABS((short)-1))
      {
	/* Use the correct minimal symbol type (and don't
	   relocate) for absolute values. */
	ms_type = mst_abs;
	sec = cs_to_section (cs, objfile);
	tmpaddr = cs->c_value;
      }
   else
     {
sec = cs_to_section (cs, objfile);
tmpaddr = cs->c_value;
	/* Statics in a PE file also get relocated */
	if (cs->c_sclass == C_EXT2
	    || cs->c_sclass == C_THUMBEXTFUNC((128 + 2) + 20)
	    || cs->c_sclass == C_THUMBEXT(128 + 2)
	    || (pe_file && (cs->c_sclass == C_STAT3)))
  tmpaddr += ANOFFSET (objfile->section_offsets, sec)((sec == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 901, "Section index is uninitialized"), -1) : objfile->section_offsets
->offsets[sec]);

if (sec == SECT_OFF_TEXT (objfile)((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 903, "sect_index_text not initialized"), -1) : objfile->
sect_index_text))
  {
    ms_type =
      cs->c_sclass == C_EXT2 || cs->c_sclass == C_THUMBEXTFUNC((128 + 2) + 20)
      || cs->c_sclass == C_THUMBEXT(128 + 2) ?
      mst_text : mst_file_text;
    tmpaddr = SMASH_TEXT_ADDRESS (tmpaddr)(gdbarch_smash_text_address (current_gdbarch, tmpaddr));
  }
else if (sec == SECT_OFF_DATA (objfile)((objfile->sect_index_data == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 911, "sect_index_data not initialized"), -1) : objfile->
sect_index_data))
  {
    ms_type =
      cs->c_sclass == C_EXT2 || cs->c_sclass == C_THUMBEXT(128 + 2) ?
      mst_data : mst_file_data;
  }
else if (sec == SECT_OFF_BSS (objfile)(objfile)->sect_index_bss)
  {
    ms_type =
      cs->c_sclass == C_EXT2 || cs->c_sclass == C_THUMBEXT(128 + 2) ?
      mst_data : mst_file_data;
  }
else
  ms_type = mst_unknown;
     }

   if (cs->c_name[0] != '@' /* Skip tdesc symbols */ )
     {
struct minimal_symbol *msym;
msym = prim_record_minimal_symbol_and_info
  (cs->c_name, tmpaddr, ms_type, NULL((void*)0),
   sec, NULL((void*)0), objfile);
if (msym)
  COFF_MAKE_MSYMBOL_SPECIAL (cs->c_sclass, msym)(gdbarch_coff_make_msymbol_special (current_gdbarch, cs->c_sclass
, msym));
     }
   if (SDB_TYPE (cs->c_type)(((cs->c_type) & local_n_btmask) | (cs->c_type &
 local_n_tmask)))
     {
struct symbol *sym;
sym = process_coff_symbol
  (cs, &main_aux, objfile);
SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue = tmpaddr;
SYMBOL_SECTION (sym)(sym)->ginfo.section = sec;
     }
 }
 break;

case C_FCN101:
 if (DEPRECATED_STREQ (cs->c_name, ".bf")(strcmp ((cs->c_name), (".bf")) == 0))
14
←
Assuming the condition is true→
15
←
Taking true branch→
   {
     within_function = 1;

     /* value contains address of first non-init type code */
     /* main_aux.x_sym.x_misc.x_lnsz.x_lnno
        contains line number of '{' } */
     if (cs->c_naux15.1
Field 'c_naux' is not equal to 1
 != 1)
16
←
Taking true branch→
complaint (&symfile_complaints,
	   "`.bf' symbol %d has no aux entry", cs->c_symnum);
     fcn_first_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
     fcn_first_line_addr = cs->c_value;

     /* Might want to check that locals are 0 and
        context_stack_depth is zero, and complain if not.  */

     depth = 0;
     new = push_context (depth, fcn_start_addr);
     fcn_cs_saved.c_name = getsymname (&fcn_sym_saved);
     new->name =
process_coff_symbol (&fcn_cs_saved, &fcn_aux_saved, objfile);
17
←
Calling 'process_coff_symbol'→
   }
 else if (DEPRECATED_STREQ (cs->c_name, ".ef")(strcmp ((cs->c_name), (".ef")) == 0))
   {
     if (!within_function)
error ("Bad coff function information\n");
     /* the value of .ef is the address of epilogue code;
        not useful for gdb.  */
     /* { main_aux.x_sym.x_misc.x_lnsz.x_lnno
        contains number of lines to '}' */

     if (context_stack_depth <= 0)
{		/* We attempted to pop an empty context stack */
  complaint (&symfile_complaints,
	     "`.ef' symbol without matching `.bf' symbol ignored starting at symnum %d",
	     cs->c_symnum);
  within_function = 0;
  break;
}

     new = pop_context ();
     /* Stack must be empty now.  */
     if (context_stack_depth > 0 || new == NULL((void*)0))
{
  complaint (&symfile_complaints,
	     "Unmatched .ef symbol(s) ignored starting at symnum %d",
	     cs->c_symnum);
  within_function = 0;
  break;
}
     if (cs->c_naux != 1)
{
  complaint (&symfile_complaints,
	     "`.ef' symbol %d has no aux entry", cs->c_symnum);
  fcn_last_line = 0x7FFFFFFF;
}
     else
{
  fcn_last_line = main_aux.x_sym.x_misc.x_lnsz.x_lnno;
}
     /* fcn_first_line is the line number of the opening '{'.
        Do not record it - because it would affect gdb's idea
        of the line number of the first statement of the function -
        except for one-line functions, for which it is also the line
        number of all the statements and of the closing '}', and
        for which we do not have any other statement-line-number. */
     if (fcn_last_line == 1)
record_line (current_subfile, fcn_first_line,
	     fcn_first_line_addr);
     else
enter_linenos (fcn_line_ptr, fcn_first_line, fcn_last_line,
	       objfile);

     finish_block (new->name, &local_symbols, new->old_blocks,
	    new->start_addr,
1023#if defined (FUNCTION_EPILOGUE_SIZE)
     /* This macro should be defined only on
        machines where the
        fcn_aux_saved.x_sym.x_misc.x_fsize
        field is always zero.
        So use the .bf record information that
        points to the epilogue and add the size
        of the epilogue.  */
	    cs->c_value
	    + FUNCTION_EPILOGUE_SIZE
	    + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1033, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1033, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1033, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]),
1034#else
	    fcn_cs_saved.c_value
	    + fcn_aux_saved.x_sym.x_misc.x_fsize
	    + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1037, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1037, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1037, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]),
1038#endif
	    objfile
);
     within_function = 0;
   }
 break;

case C_BLOCK100:
 if (DEPRECATED_STREQ (cs->c_name, ".bb")(strcmp ((cs->c_name), (".bb")) == 0))
   {
     tmpaddr = cs->c_value;
     tmpaddr += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1049, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1049, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1049, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]);
     push_context (++depth, tmpaddr);
   }
 else if (DEPRECATED_STREQ (cs->c_name, ".eb")(strcmp ((cs->c_name), (".eb")) == 0))
   {
     if (context_stack_depth <= 0)
{		/* We attempted to pop an empty context stack */
  complaint (&symfile_complaints,
	     "`.eb' symbol without matching `.bb' symbol ignored starting at symnum %d",
	     cs->c_symnum);
  break;
}

     new = pop_context ();
     if (depth-- != new->depth)
{
  complaint (&symfile_complaints,
	     "Mismatched .eb symbol ignored starting at symnum %d",
	     symnum);
  break;
}
     if (local_symbols && context_stack_depth > 0)
{
  tmpaddr =
    cs->c_value + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1073, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1073, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1073, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]);
  /* Make a block for the local symbols within.  */
  finish_block (0, &local_symbols, new->old_blocks,
		new->start_addr, tmpaddr, objfile);
}
     /* Now pop locals of block just finished.  */
     local_symbols = new->locals;
   }
 break;

default:
 process_coff_symbol (cs, &main_aux, objfile);
 break;
}
  }

if ((nsyms == 0) && (pe_file))
  {
    /* We've got no debugging symbols, but it's is a portable
executable, so try to read the export table */
    read_pe_exported_syms (objfile);
  }

if (last_source_file)
  coff_end_symtab (objfile);

/* Patch up any opaque types (references to types that are not defined
   in the file where they are referenced, e.g. "struct foo *bar").  */
ALL_OBJFILE_SYMTABS (objfile, s)for ((s) = (objfile) -> symtabs; (s) != ((void*)0); (s) = (
s) -> next)
  patch_opaque_types (s);

current_objfile = NULL((void*)0);
1105}
1106
1107/* Routines for reading headers and symbols from executable.  */

1109/* Read the next symbol, swap it, and return it in both internal_syment
 form, and coff_symbol form.  Also return its first auxent, if any,
 in internal_auxent form, and skip any other auxents.  */

1113static void
1114read_one_sym (struct coff_symbol *cs,
     struct internal_syment *sym,
     union internal_auxent *aux)
1117{
int i;

cs->c_symnum = symnum;
bfd_bread (temp_sym, local_symesz, nlist_bfd_global);
bfd_coff_swap_sym_in (symfile_bfd, temp_sym, (char *) sym)((((bfd_coff_backend_data *) (symfile_bfd)->xvec->backend_data
)->_bfd_coff_swap_sym_in) (symfile_bfd,temp_sym,(char *) sym
));
cs->c_naux = sym->n_numaux & 0xff;
if (cs->c_naux >= 1)
  {
    bfd_bread (temp_aux, local_auxesz, nlist_bfd_global);
    bfd_coff_swap_aux_in (symfile_bfd, temp_aux, sym->n_type, sym->n_sclass,((((bfd_coff_backend_data *) (symfile_bfd)->xvec->backend_data
)->_bfd_coff_swap_aux_in) (symfile_bfd,temp_aux,sym->n_type
,sym->n_sclass,0,cs->c_naux,(char *) aux))
	    0, cs->c_naux, (char *) aux)((((bfd_coff_backend_data *) (symfile_bfd)->xvec->backend_data
)->_bfd_coff_swap_aux_in) (symfile_bfd,temp_aux,sym->n_type
,sym->n_sclass,0,cs->c_naux,(char *) aux));
    /* If more than one aux entry, read past it (only the first aux
       is important). */
    for (i = 1; i < cs->c_naux; i++)
bfd_bread (temp_aux, local_auxesz, nlist_bfd_global);
  }
cs->c_name = getsymname (sym);
cs->c_value = sym->n_value;
cs->c_sclass = (sym->n_sclass & 0xff);
cs->c_secnum = sym->n_scnum;
cs->c_type = (unsigned) sym->n_type;
if (!SDB_TYPE (cs->c_type)(((cs->c_type) & local_n_btmask) | (cs->c_type &
 local_n_tmask)))
  cs->c_type = 0;

1142#if 0
if (cs->c_sclass & 128)
  printf ("thumb symbol %s, class 0x%x\n", cs->c_name, cs->c_sclass);
1145#endif

symnum += 1 + cs->c_naux;

/* The PE file format stores symbol values as offsets within the
   section, rather than as absolute addresses.  We correct that
   here, if the symbol has an appropriate storage class.  FIXME: We
   should use BFD to read the symbols, rather than duplicating the
   work here.  */
if (pe_file)
  {
    switch (cs->c_sclass)
{
case C_EXT2:
case C_THUMBEXT(128 + 2):
case C_THUMBEXTFUNC((128 + 2) + 20):
case C_SECTION104:
case C_NT_WEAK105:
case C_STAT3:
case C_THUMBSTAT(128 + 3):
case C_THUMBSTATFUNC((128 + 3) + 20):
case C_LABEL6:
case C_THUMBLABEL(128 + 6):
case C_BLOCK100:
case C_FCN101:
case C_EFCN0xff:
 if (cs->c_secnum != 0)
   cs->c_value += cs_section_address (cs, symfile_bfd);
 break;
}
  }
1176}
1177
1178/* Support for string table handling */

1180static char *stringtab = NULL((void*)0);

1182static int
1183init_stringtab (bfd *abfd, long offset)
1184{
long length;
int val;
unsigned char lengthbuf[4];

free_stringtab ();

/* If the file is stripped, the offset might be zero, indicating no
   string table.  Just return with `stringtab' set to null. */
if (offset == 0)
  return 0;

if (bfd_seek (abfd, offset, 0) < 0)
  return -1;

val = bfd_bread ((char *) lengthbuf, sizeof lengthbuf, abfd);
length = bfd_h_get_32 (symfile_bfd, lengthbuf)((*((symfile_bfd)->xvec->bfd_h_getx32)) (lengthbuf));

/* If no string table is needed, then the file may end immediately
   after the symbols.  Just return with `stringtab' set to null. */
if (val != sizeof lengthbuf || length < sizeof lengthbuf)
  return 0;

stringtab = (char *) xmalloc (length);
/* This is in target format (probably not very useful, and not currently
   used), not host format.  */
memcpy (stringtab, lengthbuf, sizeof lengthbuf);
if (length == sizeof length)	/* Empty table -- just the count */
  return 0;

val = bfd_bread (stringtab + sizeof lengthbuf, length - sizeof lengthbuf,
   abfd);
if (val != length - sizeof lengthbuf || stringtab[length - 1] != '\0')
  return -1;

return 0;
1220}

1222static void
1223free_stringtab (void)
1224{
if (stringtab)
  xfree (stringtab);
stringtab = NULL((void*)0);
1228}

1230static void
1231free_stringtab_cleanup (void *ignore)
1232{
free_stringtab ();
1234}

1236static char *
1237getsymname (struct internal_syment *symbol_entry)
1238{
static char buffer[SYMNMLEN8 + 1];
char *result;

if (symbol_entry->_n._n_n._n_zeroes == 0)
  {
    /* FIXME: Probably should be detecting corrupt symbol files by
       seeing whether offset points to within the stringtab.  */
    result = stringtab + symbol_entry->_n._n_n._n_offset;
  }
else
  {
    strncpy (buffer, symbol_entry->_n._n_name, SYMNMLEN8);
    buffer[SYMNMLEN8] = '\0';
    result = buffer;
  }
return result;
1255}

1257/* Extract the file name from the aux entry of a C_FILE symbol.  Return
 only the last component of the name.  Result is in static storage and
 is only good for temporary use.  */

1261static char *
1262coff_getfilename (union internal_auxent *aux_entry)
1263{
static char buffer[BUFSIZ1024];
char *temp;
char *result;

if (aux_entry->x_file.x_n.x_zeroes == 0)
  strcpy (buffer, stringtab + aux_entry->x_file.x_n.x_offset);
else
  {
    strncpy (buffer, aux_entry->x_file.x_fname, FILNMLEN14);
    buffer[FILNMLEN14] = '\0';
  }
result = buffer;

/* FIXME: We should not be throwing away the information about what
   directory.  It should go into dirname of the symtab, or some such
   place.  */
if ((temp = strrchr (result, '/')) != NULL((void*)0))
  result = temp + 1;
return (result);
1283}
1284
1285/* Support for line number handling.  */

1287static char *linetab = NULL((void*)0);
1288static long linetab_offset;
1289static unsigned long linetab_size;

1291/* Read in all the line numbers for fast lookups later.  Leave them in
 external (unswapped) format in memory; we'll swap them as we enter
 them into GDB's data structures.  */

1295static int
1296init_lineno (bfd *abfd, long offset, int size)
1297{
int val;

linetab_offset = offset;
linetab_size = size;

free_linetab ();

if (size == 0)
  return 0;

if (bfd_seek (abfd, offset, 0) < 0)
  return -1;

/* Allocate the desired table, plus a sentinel */
linetab = (char *) xmalloc (size + local_linesz);

val = bfd_bread (linetab, size, abfd);
if (val != size)
  return -1;

/* Terminate it with an all-zero sentinel record */
memset (linetab + size, 0, local_linesz);

return 0;
1322}

1324static void
1325free_linetab (void)
1326{
if (linetab)
  xfree (linetab);
linetab = NULL((void*)0);
1330}

1332static void
1333free_linetab_cleanup (void *ignore)
1334{
free_linetab ();
1336}

1338#if !defined (L_LNNO32)
1339#define L_LNNO32(lp)((lp)->l_lnno) ((lp)->l_lnno)
1340#endif

1342static void
1343enter_linenos (long file_offset, int first_line,
      int last_line, struct objfile *objfile)
1345{
char *rawptr;
struct internal_lineno lptr;

if (!linetab)
  return;
if (file_offset < linetab_offset)
  {
    complaint (&symfile_complaints,
 "Line number pointer %ld lower than start of line numbers",
 file_offset);
    if (file_offset > linetab_size)	/* Too big to be an offset? */
return;
    file_offset += linetab_offset;	/* Try reading at that linetab offset */
  }

rawptr = &linetab[file_offset - linetab_offset];

/* skip first line entry for each function */
rawptr += local_linesz;
/* line numbers start at one for the first line of the function */
first_line--;

/* If the line number table is full (e.g. 64K lines in COFF debug
   info), the next function's L_LNNO32 might not be zero, so don't
   overstep the table's end in any case.  */
while (rawptr <= &linetab[0] + linetab_size)
  {
    bfd_coff_swap_lineno_in (symfile_bfd, rawptr, &lptr)((((bfd_coff_backend_data *) (symfile_bfd)->xvec->backend_data
)->_bfd_coff_swap_lineno_in) (symfile_bfd,rawptr,&lptr
));
    rawptr += local_linesz;
    /* The next function, or the sentinel, will have L_LNNO32 zero;
we exit. */
    if (L_LNNO32 (&lptr)((&lptr)->l_lnno) && L_LNNO32 (&lptr)((&lptr)->l_lnno) <= last_line)
record_line (current_subfile, first_line + L_LNNO32 (&lptr)((&lptr)->l_lnno),
     lptr.l_addr.l_paddr
     + ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1380, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1380, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1380, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]));
    else
break;
  }
1384}
1385
1386static void
1387patch_type (struct type *type, struct type *real_type)
1388{
struct type *target = TYPE_TARGET_TYPE (type)(type)->main_type->target_type;
struct type *real_target = TYPE_TARGET_TYPE (real_type)(real_type)->main_type->target_type;
int field_size = TYPE_NFIELDS (real_target)(real_target)->main_type->nfields * sizeof (struct field);

TYPE_LENGTH (target)(target)->length = TYPE_LENGTH (real_target)(real_target)->length;
TYPE_NFIELDS (target)(target)->main_type->nfields = TYPE_NFIELDS (real_target)(real_target)->main_type->nfields;
TYPE_FIELDS (target)(target)->main_type->fields = (struct field *) TYPE_ALLOC (target, field_size)((target)->main_type->objfile != ((void*)0) ? __extension__
 ({ struct obstack *__h = (&(target)->main_type->objfile
 -> objfile_obstack); __extension__ ({ struct obstack *__o
 = (__h); int __len = ((field_size)); if (__o->chunk_limit
 - __o->next_free < __len) _obstack_newchunk (__o, __len
); ((__o)->next_free += (__len)); (void) 0; }); __extension__
 ({ struct obstack *__o1 = (__h); void *value; value = (void *
) __o1->object_base; if (__o1->next_free == value) __o1
->maybe_empty_object = 1; __o1->next_free = (((((__o1->
next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1
->alignment_mask)) + (char *) 0); if (__o1->next_free -
 (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1
->chunk) __o1->next_free = __o1->chunk_limit; __o1->
object_base = __o1->next_free; value; }); }) : xmalloc (field_size
));

memcpy (TYPE_FIELDS (target)(target)->main_type->fields, TYPE_FIELDS (real_target)(real_target)->main_type->fields, field_size);

if (TYPE_NAME (real_target)(real_target)->main_type->name)
  {
    if (TYPE_NAME (target)(target)->main_type->name)
xfree (TYPE_NAME (target)(target)->main_type->name);
    TYPE_NAME (target)(target)->main_type->name = concat (TYPE_NAME (real_target)(real_target)->main_type->name, NULL((void*)0));
  }
1405}

1407/* Patch up all appropriate typedef symbols in the opaque_type_chains
 so that they can be used to print out opaque data structures properly.  */

1410static void
1411patch_opaque_types (struct symtab *s)
1412{
struct block *b;
struct dict_iterator iter;
struct symbol *real_sym;

/* Go through the per-file symbols only */
b = BLOCKVECTOR_BLOCK (BLOCKVECTOR (s), STATIC_BLOCK)((s)->blockvector)->block[STATIC_BLOCK];
ALL_BLOCK_SYMBOLS (b, iter, real_sym)for ((real_sym) = dict_iterator_first (((b)->dict), &(
iter)); (real_sym); (real_sym) = dict_iterator_next (&(iter
)))
  {
    /* Find completed typedefs to use to fix opaque ones.
       Remove syms from the chain when their types are stored,
       but search the whole chain, as there may be several syms
       from different files with the same name.  */
    if (SYMBOL_CLASS (real_sym)(real_sym)->aclass == LOC_TYPEDEF &&
 SYMBOL_DOMAIN (real_sym)(real_sym)->domain == VAR_DOMAIN &&
 TYPE_CODE (SYMBOL_TYPE (real_sym))((real_sym)->type)->main_type->code == TYPE_CODE_PTR &&
 TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (real_sym)))(((real_sym)->type)->main_type->target_type)->length != 0)
{
 char *name = DEPRECATED_SYMBOL_NAME (real_sym)(real_sym)->ginfo.name;
 int hash = hashname (name);
 struct symbol *sym, *prev;

 prev = 0;
 for (sym = opaque_type_chain[hash]; sym;)
   {
     if (name[0] == DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name[0] &&
  strcmp (name + 1, DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name + 1) == 0)
{
  if (prev)
    {
      SYMBOL_VALUE_CHAIN (prev)(prev)->ginfo.value.chain = SYMBOL_VALUE_CHAIN (sym)(sym)->ginfo.value.chain;
    }
  else
    {
      opaque_type_chain[hash] = SYMBOL_VALUE_CHAIN (sym)(sym)->ginfo.value.chain;
    }

  patch_type (SYMBOL_TYPE (sym)(sym)->type, SYMBOL_TYPE (real_sym)(real_sym)->type);

  if (prev)
    {
      sym = SYMBOL_VALUE_CHAIN (prev)(prev)->ginfo.value.chain;
    }
  else
    {
      sym = opaque_type_chain[hash];
    }
}
     else
{
  prev = sym;
  sym = SYMBOL_VALUE_CHAIN (sym)(sym)->ginfo.value.chain;
}
   }
}
  }
1468}
1469
1470static struct symbol *
1471process_coff_symbol (struct coff_symbol *cs,
     union internal_auxent *aux,
     struct objfile *objfile)
1474{
struct symbol *sym
= (struct symbol *) obstack_alloc (&objfile->objfile_obstack,__extension__ ({ struct obstack *__h = (&objfile->objfile_obstack
); __extension__ ({ struct obstack *__o = (__h); int __len = (
(sizeof (struct symbol))); if (__o->chunk_limit - __o->
next_free < __len) _obstack_newchunk (__o, __len); ((__o)->
next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack
 *__o1 = (__h); void *value; value = (void *) __o1->object_base
; if (__o1->next_free == value) __o1->maybe_empty_object
 = 1; __o1->next_free = (((((__o1->next_free) - (char *
) 0)+__o1->alignment_mask) & ~ (__o1->alignment_mask
)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk
 > __o1->chunk_limit - (char *)__o1->chunk) __o1->
next_free = __o1->chunk_limit; __o1->object_base = __o1
->next_free; value; }); })
18
←
Assuming the condition is false→
19
←
Taking false branch→
20
←
Assuming 'value' is not equal to field 'next_free'→
21
←
Taking false branch→
22
←
Assuming the condition is false→
23
←
Taking false branch→
		     sizeof (struct symbol))__extension__ ({ struct obstack *__h = (&objfile->objfile_obstack
); __extension__ ({ struct obstack *__o = (__h); int __len = (
(sizeof (struct symbol))); if (__o->chunk_limit - __o->
next_free < __len) _obstack_newchunk (__o, __len); ((__o)->
next_free += (__len)); (void) 0; }); __extension__ ({ struct obstack
 *__o1 = (__h); void *value; value = (void *) __o1->object_base
; if (__o1->next_free == value) __o1->maybe_empty_object
 = 1; __o1->next_free = (((((__o1->next_free) - (char *
) 0)+__o1->alignment_mask) & ~ (__o1->alignment_mask
)) + (char *) 0); if (__o1->next_free - (char *)__o1->chunk
 > __o1->chunk_limit - (char *)__o1->chunk) __o1->
next_free = __o1->chunk_limit; __o1->object_base = __o1
->next_free; value; }); });
char *name;

memset (sym, 0, sizeof (struct symbol));
name = cs->c_name;
name = EXTERNAL_NAME (name, objfile->obfd)(name[0] == ((objfile->obfd)->xvec->symbol_leading_char
)? name+1: name);
24
←
Assuming the condition is false→
25
←
'?' condition is false→
SYMBOL_LANGUAGE (sym)(sym)->ginfo.language = language_auto;
SYMBOL_SET_NAMES (sym, name, strlen (name), objfile)symbol_set_names (&(sym)->ginfo, name, strlen (name), objfile
);

/* default assumptions */
SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue = cs->c_value;
26
←
Assigned value is garbage or undefined
SYMBOL_DOMAIN (sym)(sym)->domain = VAR_DOMAIN;
SYMBOL_SECTION (sym)(sym)->ginfo.section = cs_to_section (cs, objfile);

if (ISFCN (cs->c_type)(((unsigned long) (cs->c_type) & local_n_tmask) == ((unsigned
 long) (2) << local_n_btshft)))
  {
    SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1493, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1493, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1493, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]);
    SYMBOL_TYPE (sym)(sym)->type =
lookup_function_type (decode_function_type (cs, cs->c_type, aux));

    SYMBOL_CLASS (sym)(sym)->aclass = LOC_BLOCK;
    if (cs->c_sclass == C_STAT3 || cs->c_sclass == C_THUMBSTAT(128 + 3)
 || cs->c_sclass == C_THUMBSTATFUNC((128 + 3) + 20))
add_symbol_to_list (sym, &file_symbols);
    else if (cs->c_sclass == C_EXT2 || cs->c_sclass == C_THUMBEXT(128 + 2)
      || cs->c_sclass == C_THUMBEXTFUNC((128 + 2) + 20))
add_symbol_to_list (sym, &global_symbols);
  }
else
  {
    SYMBOL_TYPE (sym)(sym)->type = decode_type (cs, cs->c_type, aux);
    switch (cs->c_sclass)
{
case C_NULL0:
 break;

case C_AUTO1:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_LOCAL;
 add_symbol_to_list (sym, &local_symbols);
 break;

case C_THUMBEXT(128 + 2):
case C_THUMBEXTFUNC((128 + 2) + 20):
case C_EXT2:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_STATIC;
 SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address = (CORE_ADDR) cs->c_value;
 SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1523, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1523, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1523, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]);
 add_symbol_to_list (sym, &global_symbols);
 break;

case C_THUMBSTAT(128 + 3):
case C_THUMBSTATFUNC((128 + 3) + 20):
case C_STAT3:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_STATIC;
 SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address = (CORE_ADDR) cs->c_value;
 SYMBOL_VALUE_ADDRESS (sym)(sym)->ginfo.value.address += ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))((((objfile->sect_index_text == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1532, "sect_index_text not initialized"), -1) : objfile->
sect_index_text) == -1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1532, "Section index is uninitialized"), -1) : objfile->
section_offsets->offsets[((objfile->sect_index_text == -
1) ? (internal_error ("/usr/src/gnu/usr.bin/binutils/gdb/coffread.c"
, 1532, "sect_index_text not initialized"), -1) : objfile->
sect_index_text)]);
 if (within_function)
   {
     /* Static symbol of local scope */
     add_symbol_to_list (sym, &local_symbols);
   }
 else
   {
     /* Static symbol at top level of file */
     add_symbol_to_list (sym, &file_symbols);
   }
 break;

1545#ifdef C_GLBLREG		/* AMD coff */
case C_GLBLREG:
1547#endif
case C_REG4:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_REGISTER;
 SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue = SDB_REG_TO_REGNUM (cs->c_value)(gdbarch_sdb_reg_to_regnum (current_gdbarch, cs->c_value));
 add_symbol_to_list (sym, &local_symbols);
 break;

case C_THUMBLABEL(128 + 6):
case C_LABEL6:
 break;

case C_ARG9:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_ARG;
 add_symbol_to_list (sym, &local_symbols);
1561#if !defined (BELIEVE_PCC_PROMOTION(gdbarch_believe_pcc_promotion (current_gdbarch)))
 if (TARGET_BYTE_ORDER(gdbarch_byte_order (current_gdbarch)) == BFD_ENDIAN_BIG)
   {
     /* If PCC says a parameter is a short or a char,
        aligned on an int boundary, realign it to the
        "little end" of the int.  */
     struct type *temptype;
     temptype = lookup_fundamental_type (current_objfile,
				  FT_INTEGER8);
     if (TYPE_LENGTH (SYMBOL_TYPE (sym))((sym)->type)->length < TYPE_LENGTH (temptype)(temptype)->length
  && TYPE_CODE (SYMBOL_TYPE (sym))((sym)->type)->main_type->code == TYPE_CODE_INT
  && 0 == SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue % TYPE_LENGTH (temptype)(temptype)->length)
{
  SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue +=
    TYPE_LENGTH (temptype)(temptype)->length
    - TYPE_LENGTH (SYMBOL_TYPE (sym))((sym)->type)->length;
}
   }
1579#endif
 break;

case C_REGPARM17:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_REGPARM;
 SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue = SDB_REG_TO_REGNUM (cs->c_value)(gdbarch_sdb_reg_to_regnum (current_gdbarch, cs->c_value));
 add_symbol_to_list (sym, &local_symbols);
1586#if !defined (BELIEVE_PCC_PROMOTION(gdbarch_believe_pcc_promotion (current_gdbarch)))
 /* FIXME:  This should retain the current type, since it's just
    a register value.  gnu@adobe, 26Feb93 */
 {
   /* If PCC says a parameter is a short or a char,
      it is really an int.  */
   struct type *temptype;
   temptype =
     lookup_fundamental_type (current_objfile, FT_INTEGER8);
   if (TYPE_LENGTH (SYMBOL_TYPE (sym))((sym)->type)->length < TYPE_LENGTH (temptype)(temptype)->length
&& TYPE_CODE (SYMBOL_TYPE (sym))((sym)->type)->main_type->code == TYPE_CODE_INT)
     {
SYMBOL_TYPE (sym)(sym)->type =
  (TYPE_UNSIGNED (SYMBOL_TYPE (sym))(((sym)->type)->main_type->flags & (1 << 0
))
   ? lookup_fundamental_type (current_objfile,
			      FT_UNSIGNED_INTEGER10)
   : temptype);
     }
 }
1605#endif
 break;

case C_TPDEF13:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_TYPEDEF;
 SYMBOL_DOMAIN (sym)(sym)->domain = VAR_DOMAIN;

 /* If type has no name, give it one */
 if (TYPE_NAME (SYMBOL_TYPE (sym))((sym)->type)->main_type->name == 0)
   {
     if (TYPE_CODE (SYMBOL_TYPE (sym))((sym)->type)->main_type->code == TYPE_CODE_PTR
  || TYPE_CODE (SYMBOL_TYPE (sym))((sym)->type)->main_type->code == TYPE_CODE_FUNC)
{
  /* If we are giving a name to a type such as "pointer to
     foo" or "function returning foo", we better not set
     the TYPE_NAME.  If the program contains "typedef char
     *caddr_t;", we don't want all variables of type char
     * to print as caddr_t.  This is not just a
     consequence of GDB's type management; CC and GCC (at
     least through version 2.4) both output variables of
     either type char * or caddr_t with the type
     refering to the C_TPDEF symbol for caddr_t.  If a future
     compiler cleans this up it GDB is not ready for it
     yet, but if it becomes ready we somehow need to
     disable this check (without breaking the PCC/GCC2.4
     case).

     Sigh.

     Fortunately, this check seems not to be necessary
     for anything except pointers or functions.  */
  ;
}
     else
TYPE_NAME (SYMBOL_TYPE (sym))((sym)->type)->main_type->name =
  concat (DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name, NULL((void*)0));
   }

 /* Keep track of any type which points to empty structured type,
    so it can be filled from a definition from another file.  A
    simple forward reference (TYPE_CODE_UNDEF) is not an
    empty structured type, though; the forward references
    work themselves out via the magic of coff_lookup_type.  */
 if (TYPE_CODE (SYMBOL_TYPE (sym))((sym)->type)->main_type->code == TYPE_CODE_PTR &&
     TYPE_LENGTH (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym)))(((sym)->type)->main_type->target_type)->length == 0 &&
     TYPE_CODE (TYPE_TARGET_TYPE (SYMBOL_TYPE (sym)))(((sym)->type)->main_type->target_type)->main_type
->code !=
     TYPE_CODE_UNDEF)
   {
     int i = hashname (DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name);

     SYMBOL_VALUE_CHAIN (sym)(sym)->ginfo.value.chain = opaque_type_chain[i];
     opaque_type_chain[i] = sym;
   }
 add_symbol_to_list (sym, &file_symbols);
 break;

case C_STRTAG10:
case C_UNTAG12:
case C_ENTAG15:
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_TYPEDEF;
 SYMBOL_DOMAIN (sym)(sym)->domain = STRUCT_DOMAIN;

 /* Some compilers try to be helpful by inventing "fake"
    names for anonymous enums, structures, and unions, like
    "~0fake" or ".0fake".  Thanks, but no thanks... */
 if (TYPE_TAG_NAME (SYMBOL_TYPE (sym))((sym)->type)->main_type->tag_name == 0)
   if (DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name != NULL((void*)0)
&& *DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name != '~'
&& *DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name != '.')
     TYPE_TAG_NAME (SYMBOL_TYPE (sym))((sym)->type)->main_type->tag_name =
concat (DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name, NULL((void*)0));

 add_symbol_to_list (sym, &file_symbols);
 break;

default:
 break;
}
  }
return sym;
1685}
1686
1687/* Decode a coff type specifier;  return the type that is meant.  */

1689static struct type *
1690decode_type (struct coff_symbol *cs, unsigned int c_type,
    union internal_auxent *aux)
1692{
struct type *type = 0;
unsigned int new_c_type;

if (c_type & ~N_BTMASKlocal_n_btmask)
  {
    new_c_type = DECREF (c_type)((((c_type) >> local_n_tshift) & ~ local_n_btmask) |
 ((c_type) & local_n_btmask));
    if (ISPTR (c_type)(((unsigned long) (c_type) & local_n_tmask) == ((unsigned
 long) (1) << local_n_btshft)))
{
 type = decode_type (cs, new_c_type, aux);
 type = lookup_pointer_type (type);
}
    else if (ISFCN (c_type)(((unsigned long) (c_type) & local_n_tmask) == ((unsigned
 long) (2) << local_n_btshft)))
{
 type = decode_type (cs, new_c_type, aux);
 type = lookup_function_type (type);
}
    else if (ISARY (c_type)(((unsigned long) (c_type) & local_n_tmask) == ((unsigned
 long) (3) << local_n_btshft)))
{
 int i, n;
 unsigned short *dim;
 struct type *base_type, *index_type, *range_type;

 /* Define an array type.  */
 /* auxent refers to array, not base type */
 if (aux->x_sym.x_tagndx.l == 0)
   cs->c_naux = 0;

 /* shift the indices down */
 dim = &aux->x_sym.x_fcnary.x_ary.x_dimen[0];
 i = 1;
 n = dim[0];
 for (i = 0; *dim && i < DIMNUM4 - 1; i++, dim++)
   *dim = *(dim + 1);
 *dim = 0;

 base_type = decode_type (cs, new_c_type, aux);
 index_type = lookup_fundamental_type (current_objfile, FT_INTEGER8);
 range_type =
   create_range_type ((struct type *) NULL((void*)0), index_type, 0, n - 1);
 type =
   create_array_type ((struct type *) NULL((void*)0), base_type, range_type);
}
    return type;
  }

/* Reference to existing type.  This only occurs with the
   struct, union, and enum types.  EPI a29k coff
   fakes us out by producing aux entries with a nonzero
   x_tagndx for definitions of structs, unions, and enums, so we
   have to check the c_sclass field.  SCO 3.2v4 cc gets confused
   with pointers to pointers to defined structs, and generates
   negative x_tagndx fields.  */
if (cs->c_naux > 0 && aux->x_sym.x_tagndx.l != 0)
  {
    if (cs->c_sclass != C_STRTAG10
 && cs->c_sclass != C_UNTAG12
 && cs->c_sclass != C_ENTAG15
 && aux->x_sym.x_tagndx.l >= 0)
{
 type = coff_alloc_type (aux->x_sym.x_tagndx.l);
 return type;
}
    else
{
 complaint (&symfile_complaints,
     "Symbol table entry for %s has bad tagndx value",
     cs->c_name);
 /* And fall through to decode_base_type... */
}
  }

return decode_base_type (cs, BTYPE (c_type)((c_type) & local_n_btmask), aux);
1765}

1767/* Decode a coff type specifier for function definition;
 return the type that the function returns.  */

1770static struct type *
1771decode_function_type (struct coff_symbol *cs, unsigned int c_type,
      union internal_auxent *aux)
1773{
if (aux->x_sym.x_tagndx.l == 0)
  cs->c_naux = 0;		/* auxent refers to function, not base type */

return decode_type (cs, DECREF (c_type)((((c_type) >> local_n_tshift) & ~ local_n_btmask) |
 ((c_type) & local_n_btmask)), aux);
1778}
1779
1780/* basic C types */

1782static struct type *
1783decode_base_type (struct coff_symbol *cs, unsigned int c_type,
  union internal_auxent *aux)
1785{
struct type *type;

switch (c_type)
  {
  case T_NULL0:
    /* shows up with "void (*foo)();" structure members */
    return lookup_fundamental_type (current_objfile, FT_VOID0);

1794#ifdef T_VOID1
  case T_VOID1:
    /* Intel 960 COFF has this symbol and meaning.  */
    return lookup_fundamental_type (current_objfile, FT_VOID0);
1798#endif

  case T_CHAR2:
    return lookup_fundamental_type (current_objfile, FT_CHAR2);

  case T_SHORT3:
    return lookup_fundamental_type (current_objfile, FT_SHORT5);

  case T_INT4:
    return lookup_fundamental_type (current_objfile, FT_INTEGER8);

  case T_LONG5:
    if (cs->c_sclass == C_FIELD18
 && aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT(gdbarch_long_bit (current_gdbarch)))
return lookup_fundamental_type (current_objfile, FT_LONG_LONG14);
    else
return lookup_fundamental_type (current_objfile, FT_LONG11);

  case T_FLOAT6:
    return lookup_fundamental_type (current_objfile, FT_FLOAT17);

  case T_DOUBLE7:
    return lookup_fundamental_type (current_objfile, FT_DBL_PREC_FLOAT18);

  case T_LNGDBL16:
    return lookup_fundamental_type (current_objfile, FT_EXT_PREC_FLOAT19);

  case T_STRUCT8:
    if (cs->c_naux != 1)
{
 /* anonymous structure type */
 type = coff_alloc_type (cs->c_symnum);
 TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_STRUCT;
 TYPE_NAME (type)(type)->main_type->name = NULL((void*)0);
 /* This used to set the tag to "<opaque>".  But I think setting it
    to NULL is right, and the printing code can print it as
    "struct {...}".  */
 TYPE_TAG_NAME (type)(type)->main_type->tag_name = NULL((void*)0);
 INIT_CPLUS_SPECIFIC (type)((type)->main_type->type_specific.cplus_stuff=(struct cplus_struct_type
*)&cplus_struct_default);
 TYPE_LENGTH (type)(type)->length = 0;
 TYPE_FIELDS (type)(type)->main_type->fields = 0;
 TYPE_NFIELDS (type)(type)->main_type->nfields = 0;
}
    else
{
 type = coff_read_struct_type (cs->c_symnum,
			aux->x_sym.x_misc.x_lnsz.x_size,
		      aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
}
    return type;

  case T_UNION9:
    if (cs->c_naux != 1)
{
 /* anonymous union type */
 type = coff_alloc_type (cs->c_symnum);
 TYPE_NAME (type)(type)->main_type->name = NULL((void*)0);
 /* This used to set the tag to "<opaque>".  But I think setting it
    to NULL is right, and the printing code can print it as
    "union {...}".  */
 TYPE_TAG_NAME (type)(type)->main_type->tag_name = NULL((void*)0);
 INIT_CPLUS_SPECIFIC (type)((type)->main_type->type_specific.cplus_stuff=(struct cplus_struct_type
*)&cplus_struct_default);
 TYPE_LENGTH (type)(type)->length = 0;
 TYPE_FIELDS (type)(type)->main_type->fields = 0;
 TYPE_NFIELDS (type)(type)->main_type->nfields = 0;
}
    else
{
 type = coff_read_struct_type (cs->c_symnum,
			aux->x_sym.x_misc.x_lnsz.x_size,
		      aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
}
    TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_UNION;
    return type;

  case T_ENUM10:
    if (cs->c_naux != 1)
{
 /* anonymous enum type */
 type = coff_alloc_type (cs->c_symnum);
 TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_ENUM;
 TYPE_NAME (type)(type)->main_type->name = NULL((void*)0);
 /* This used to set the tag to "<opaque>".  But I think setting it
    to NULL is right, and the printing code can print it as
    "enum {...}".  */
 TYPE_TAG_NAME (type)(type)->main_type->tag_name = NULL((void*)0);
 TYPE_LENGTH (type)(type)->length = 0;
 TYPE_FIELDS (type)(type)->main_type->fields = 0;
 TYPE_NFIELDS (type)(type)->main_type->nfields = 0;
}
    else
{
 type = coff_read_enum_type (cs->c_symnum,
		      aux->x_sym.x_misc.x_lnsz.x_size,
		      aux->x_sym.x_fcnary.x_fcn.x_endndx.l);
}
    return type;

  case T_MOE11:
    /* shouldn't show up here */
    break;

  case T_UCHAR12:
    return lookup_fundamental_type (current_objfile, FT_UNSIGNED_CHAR4);

  case T_USHORT13:
    return lookup_fundamental_type (current_objfile, FT_UNSIGNED_SHORT7);

  case T_UINT14:
    return lookup_fundamental_type (current_objfile, FT_UNSIGNED_INTEGER10);

  case T_ULONG15:
    if (cs->c_sclass == C_FIELD18
 && aux->x_sym.x_misc.x_lnsz.x_size > TARGET_LONG_BIT(gdbarch_long_bit (current_gdbarch)))
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG_LONG16);
    else
return lookup_fundamental_type (current_objfile, FT_UNSIGNED_LONG13);
  }
complaint (&symfile_complaints, "Unexpected type for symbol %s", cs->c_name);
return lookup_fundamental_type (current_objfile, FT_VOID0);
1918}
1919
1920/* This page contains subroutines of read_type.  */

1922/* Read the description of a structure (or union type) and return an
 object describing the type.  */

1925static struct type *
1926coff_read_struct_type (int index, int length, int lastsym)
1927{
struct nextfield
  {
    struct nextfield *next;
    struct field field;
  };

struct type *type;
struct nextfield *list = 0;
struct nextfield *new;
int nfields = 0;
int n;
char *name;
struct coff_symbol member_sym;
struct coff_symbol *ms = &member_sym;
struct internal_syment sub_sym;
union internal_auxent sub_aux;
int done = 0;

type = coff_alloc_type (index);
TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_STRUCT;
INIT_CPLUS_SPECIFIC (type)((type)->main_type->type_specific.cplus_stuff=(struct cplus_struct_type
*)&cplus_struct_default);
TYPE_LENGTH (type)(type)->length = length;

while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
  {
    read_one_sym (ms, &sub_sym, &sub_aux);
    name = ms->c_name;
    name = EXTERNAL_NAME (name, current_objfile->obfd)(name[0] == ((current_objfile->obfd)->xvec->symbol_leading_char
)? name+1: name);

    switch (ms->c_sclass)
{
case C_MOS8:
case C_MOU11:

 /* Get space to record the next field's data.  */
 new = (struct nextfield *) alloca (sizeof (struct nextfield))__builtin_alloca(sizeof (struct nextfield));
 new->next = list;
 list = new;

 /* Save the data.  */
 list->field.name =
   obsavestring (name,
	  strlen (name),
	  &current_objfile->objfile_obstack);
 FIELD_TYPE (list->field)((list->field).type) = decode_type (ms, ms->c_type, &sub_aux);
 FIELD_BITPOS (list->field)((list->field).loc.bitpos) = 8 * ms->c_value;
 FIELD_BITSIZE (list->field)((list->field).bitsize) = 0;
 FIELD_STATIC_KIND (list->field)((list->field).static_kind) = 0;
 nfields++;
 break;

case C_FIELD18:

 /* Get space to record the next field's data.  */
 new = (struct nextfield *) alloca (sizeof (struct nextfield))__builtin_alloca(sizeof (struct nextfield));
 new->next = list;
 list = new;

 /* Save the data.  */
 list->field.name =
   obsavestring (name,
	  strlen (name),
	  &current_objfile->objfile_obstack);
 FIELD_TYPE (list->field)((list->field).type) = decode_type (ms, ms->c_type, &sub_aux);
 FIELD_BITPOS (list->field)((list->field).loc.bitpos) = ms->c_value;
 FIELD_BITSIZE (list->field)((list->field).bitsize) = sub_aux.x_sym.x_misc.x_lnsz.x_size;
 FIELD_STATIC_KIND (list->field)((list->field).static_kind) = 0;
 nfields++;
 break;

case C_EOS102:
 done = 1;
 break;
}
  }
/* Now create the vector of fields, and record how big it is.  */

TYPE_NFIELDS (type)(type)->main_type->nfields = nfields;
TYPE_FIELDS (type)(type)->main_type->fields = (struct field *)
  TYPE_ALLOC (type, sizeof (struct field) * nfields)((type)->main_type->objfile != ((void*)0) ? __extension__
 ({ struct obstack *__h = (&(type)->main_type->objfile
 -> objfile_obstack); __extension__ ({ struct obstack *__o
 = (__h); int __len = ((sizeof (struct field) * nfields)); if
 (__o->chunk_limit - __o->next_free < __len) _obstack_newchunk
 (__o, __len); ((__o)->next_free += (__len)); (void) 0; })
; __extension__ ({ struct obstack *__o1 = (__h); void *value;
 value = (void *) __o1->object_base; if (__o1->next_free
 == value) __o1->maybe_empty_object = 1; __o1->next_free
 = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask
) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1->
next_free - (char *)__o1->chunk > __o1->chunk_limit -
 (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit
; __o1->object_base = __o1->next_free; value; }); }) : xmalloc
 (sizeof (struct field) * nfields));

/* Copy the saved-up fields into the field vector.  */

for (n = nfields; list; list = list->next)
  TYPE_FIELD (type, --n)(type)->main_type->fields[--n] = list->field;

return type;
2015}
2016
2017/* Read a definition of an enumeration type,
 and create and return a suitable type object.
 Also defines the symbols that represent the values of the type.  */

2021static struct type *
2022coff_read_enum_type (int index, int length, int lastsym)
2023{
struct symbol *sym;
struct type *type;
int nsyms = 0;
int done = 0;
struct pending **symlist;
struct coff_symbol member_sym;
struct coff_symbol *ms = &member_sym;
struct internal_syment sub_sym;
union internal_auxent sub_aux;
struct pending *osyms, *syms;
int o_nsyms;
int n;
char *name;
int unsigned_enum = 1;

type = coff_alloc_type (index);
if (within_function)
  symlist = &local_symbols;
else
  symlist = &file_symbols;
osyms = *symlist;
o_nsyms = osyms ? osyms->nsyms : 0;

while (!done && symnum < lastsym && symnum < nlist_nsyms_global)
  {
    read_one_sym (ms, &sub_sym, &sub_aux);
    name = ms->c_name;
    name = EXTERNAL_NAME (name, current_objfile->obfd)(name[0] == ((current_objfile->obfd)->xvec->symbol_leading_char
)? name+1: name);

    switch (ms->c_sclass)
{
case C_MOE16:
 sym = (struct symbol *) obstack_alloc__extension__ ({ struct obstack *__h = (&current_objfile->
objfile_obstack); __extension__ ({ struct obstack *__o = (__h
); int __len = ((sizeof (struct symbol))); if (__o->chunk_limit
 - __o->next_free < __len) _obstack_newchunk (__o, __len
); ((__o)->next_free += (__len)); (void) 0; }); __extension__
 ({ struct obstack *__o1 = (__h); void *value; value = (void *
) __o1->object_base; if (__o1->next_free == value) __o1
->maybe_empty_object = 1; __o1->next_free = (((((__o1->
next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1
->alignment_mask)) + (char *) 0); if (__o1->next_free -
 (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1
->chunk) __o1->next_free = __o1->chunk_limit; __o1->
object_base = __o1->next_free; value; }); })
   (&current_objfile->objfile_obstack,__extension__ ({ struct obstack *__h = (&current_objfile->
objfile_obstack); __extension__ ({ struct obstack *__o = (__h
); int __len = ((sizeof (struct symbol))); if (__o->chunk_limit
 - __o->next_free < __len) _obstack_newchunk (__o, __len
); ((__o)->next_free += (__len)); (void) 0; }); __extension__
 ({ struct obstack *__o1 = (__h); void *value; value = (void *
) __o1->object_base; if (__o1->next_free == value) __o1
->maybe_empty_object = 1; __o1->next_free = (((((__o1->
next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1
->alignment_mask)) + (char *) 0); if (__o1->next_free -
 (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1
->chunk) __o1->next_free = __o1->chunk_limit; __o1->
object_base = __o1->next_free; value; }); })
    sizeof (struct symbol))__extension__ ({ struct obstack *__h = (&current_objfile->
objfile_obstack); __extension__ ({ struct obstack *__o = (__h
); int __len = ((sizeof (struct symbol))); if (__o->chunk_limit
 - __o->next_free < __len) _obstack_newchunk (__o, __len
); ((__o)->next_free += (__len)); (void) 0; }); __extension__
 ({ struct obstack *__o1 = (__h); void *value; value = (void *
) __o1->object_base; if (__o1->next_free == value) __o1
->maybe_empty_object = 1; __o1->next_free = (((((__o1->
next_free) - (char *) 0)+__o1->alignment_mask) & ~ (__o1
->alignment_mask)) + (char *) 0); if (__o1->next_free -
 (char *)__o1->chunk > __o1->chunk_limit - (char *)__o1
->chunk) __o1->next_free = __o1->chunk_limit; __o1->
object_base = __o1->next_free; value; }); });
 memset (sym, 0, sizeof (struct symbol));

 DEPRECATED_SYMBOL_NAME (sym)(sym)->ginfo.name =
   obsavestring (name, strlen (name),
	  &current_objfile->objfile_obstack);
 SYMBOL_CLASS (sym)(sym)->aclass = LOC_CONST;
 SYMBOL_DOMAIN (sym)(sym)->domain = VAR_DOMAIN;
 SYMBOL_VALUE (sym)(sym)->ginfo.value.ivalue = ms->c_value;
 add_symbol_to_list (sym, symlist);
 nsyms++;
 break;

case C_EOS102:
 /* Sometimes the linker (on 386/ix 2.0.2 at least) screws
    up the count of how many symbols to read.  So stop
    on .eos.  */
 done = 1;
 break;
}
  }

/* Now fill in the fields of the type-structure.  */

if (length > 0)
  TYPE_LENGTH (type)(type)->length = length;
else
  TYPE_LENGTH (type)(type)->length = TARGET_INT_BIT(gdbarch_int_bit (current_gdbarch)) / TARGET_CHAR_BIT8;	/* Assume ints */
TYPE_CODE (type)(type)->main_type->code = TYPE_CODE_ENUM;
TYPE_NFIELDS (type)(type)->main_type->nfields = nsyms;
TYPE_FIELDS (type)(type)->main_type->fields = (struct field *)
  TYPE_ALLOC (type, sizeof (struct field) * nsyms)((type)->main_type->objfile != ((void*)0) ? __extension__
 ({ struct obstack *__h = (&(type)->main_type->objfile
 -> objfile_obstack); __extension__ ({ struct obstack *__o
 = (__h); int __len = ((sizeof (struct field) * nsyms)); if (
__o->chunk_limit - __o->next_free < __len) _obstack_newchunk
 (__o, __len); ((__o)->next_free += (__len)); (void) 0; })
; __extension__ ({ struct obstack *__o1 = (__h); void *value;
 value = (void *) __o1->object_base; if (__o1->next_free
 == value) __o1->maybe_empty_object = 1; __o1->next_free
 = (((((__o1->next_free) - (char *) 0)+__o1->alignment_mask
) & ~ (__o1->alignment_mask)) + (char *) 0); if (__o1->
next_free - (char *)__o1->chunk > __o1->chunk_limit -
 (char *)__o1->chunk) __o1->next_free = __o1->chunk_limit
; __o1->object_base = __o1->next_free; value; }); }) : xmalloc
 (sizeof (struct field) * nsyms));

/* Find the symbols for the values and put them into the type.
   The symbols can be found in the symlist that we put them on
   to cause them to be defined.  osyms contains the old value
   of that symlist; everything up to there was defined by us.  */
/* Note that we preserve the order of the enum constants, so
   that in something like "enum {FOO, LAST_THING=FOO}" we print
   FOO, not LAST_THING.  */

for (syms = *symlist, n = 0; syms; syms = syms->next)
  {
    int j = 0;

    if (syms == osyms)
j = o_nsyms;
    for (; j < syms->nsyms; j++, n++)
{
 struct symbol *xsym = syms->symbol[j];
 SYMBOL_TYPE (xsym)(xsym)->type = type;
 TYPE_FIELD_NAME (type, n)(((type)->main_type->fields[n]).name) = DEPRECATED_SYMBOL_NAME (xsym)(xsym)->ginfo.name;
 TYPE_FIELD_BITPOS (type, n)(((type)->main_type->fields[n]).loc.bitpos) = SYMBOL_VALUE (xsym)(xsym)->ginfo.value.ivalue;
 if (SYMBOL_VALUE (xsym)(xsym)->ginfo.value.ivalue < 0)
   unsigned_enum = 0;
 TYPE_FIELD_BITSIZE (type, n)(((type)->main_type->fields[n]).bitsize) = 0;
 TYPE_FIELD_STATIC_KIND (type, n)(type)->main_type->fields[n].static_kind = 0;
}
    if (syms == osyms)
break;
  }

if (unsigned_enum)
  TYPE_FLAGS (type)(type)->main_type->flags |= TYPE_FLAG_UNSIGNED(1 << 0);

return type;
2124}

2126/* Register our ability to parse symbols for coff BFD files. */

2128static struct sym_fns coff_sym_fns =
2129{
bfd_target_coff_flavour,
coff_new_init,		/* sym_new_init: init anything gbl to entire symtab */
coff_symfile_init,		/* sym_init: read initial info, setup for sym_read() */
coff_symfile_read,		/* sym_read: read a symbol file into symtab */
coff_symfile_finish,		/* sym_finish: finished with file, cleanup */
default_symfile_offsets,	/* sym_offsets:  xlate external to internal form */
NULL((void*)0)				/* next: pointer to next struct sym_fns */
2137};

2139void
2140_initialize_coffread (void)
2141{
add_symtab_fns (&coff_sym_fns);
2143}