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binutils-gdb/binutils/coffdump.c

564 lines
11 KiB
C

/* Coff file dumper.
Copyright (C) 1994-2017 Free Software Foundation, Inc.
This file is part of GNU Binutils.
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 3 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., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/* Written by Steve Chamberlain <sac@cygnus.com>
This module reads a type tree generated by coffgrok and prints
it out so we can test the grokker. */
#include "sysdep.h"
#include "bfd.h"
#include "bfd_stdint.h"
#include "libiberty.h"
#include "bucomm.h"
#include "coffgrok.h"
#include "getopt.h"
static int atnl;
static void tab (int);
static void nl (void);
static void dump_coff_lines (struct coff_line *);
static void dump_coff_type (struct coff_type *);
static void dump_coff_where (struct coff_where *);
static void dump_coff_visible (struct coff_visible *);
static void dump_coff_scope (struct coff_scope *);
static void dump_coff_sfile (struct coff_sfile *);
static void dump_coff_section (struct coff_section *);
static void show_usage (FILE *, int);
extern int main (int, char **);
static void
tab (int x)
{
static int indent;
int i;
if (atnl)
{
if (x < 0)
{
printf (")");
indent += x;
return;
}
else
{
printf ("\n");
atnl = 0;
}
}
if (x == -1)
{
for (i = 0; i < indent; i++)
printf (" ");
indent += x;
printf (")");
return;
}
indent += x;
for (i = 0; i < indent; i++)
printf (" ");
if (x)
{
printf ("(");
}
}
static void
nl (void)
{
atnl = 1;
}
static void
dump_coff_lines (struct coff_line *p)
{
int i;
int online = 0;
tab (1);
printf (_("#lines %d "),p->nlines);
for (i = 0; i < p->nlines; i++)
{
printf ("(%d 0x%x)", p->lines[i], p->addresses[i]);
online++;
if (online > 6)
{
nl ();
tab (0);
online = 0;
}
}
nl ();
tab (-1);
}
static void
dump_coff_type (struct coff_type *p)
{
tab (1);
printf (_("size %d "), p->size);
switch (p->type)
{
case coff_secdef_type:
printf (_("section definition at %x size %x\n"),
p->u.asecdef.address,
p->u.asecdef.size);
nl ();
break;
case coff_pointer_type:
printf (_("pointer to"));
nl ();
dump_coff_type (p->u.pointer.points_to);
break;
case coff_array_type:
printf (_("array [%d] of"), p->u.array.dim);
nl ();
dump_coff_type (p->u.array.array_of);
break;
case coff_function_type:
printf (_("function returning"));
nl ();
dump_coff_type (p->u.function.function_returns);
dump_coff_lines (p->u.function.lines);
printf (_("arguments"));
nl ();
dump_coff_scope (p->u.function.parameters);
tab (0);
printf (_("code"));
nl ();
dump_coff_scope (p->u.function.code);
tab(0);
break;
case coff_structdef_type:
printf (_("structure definition"));
nl ();
dump_coff_scope (p->u.astructdef.elements);
break;
case coff_structref_type:
if (!p->u.aenumref.ref)
printf (_("structure ref to UNKNOWN struct"));
else
printf (_("structure ref to %s"), p->u.aenumref.ref->name);
break;
case coff_enumref_type:
printf (_("enum ref to %s"), p->u.astructref.ref->name);
break;
case coff_enumdef_type:
printf (_("enum definition"));
nl ();
dump_coff_scope (p->u.aenumdef.elements);
break;
case coff_basic_type:
switch (p->u.basic)
{
case T_NULL:
printf ("NULL");
break;
case T_VOID:
printf ("VOID");
break;
case T_CHAR:
printf ("CHAR");
break;
case T_SHORT:
printf ("SHORT");
break;
case T_INT:
printf ("INT ");
break;
case T_LONG:
printf ("LONG");
break;
case T_FLOAT:
printf ("FLOAT");
break;
case T_DOUBLE:
printf ("DOUBLE");
break;
case T_STRUCT:
printf ("STRUCT");
break;
case T_UNION:
printf ("UNION");
break;
case T_ENUM:
printf ("ENUM");
break;
case T_MOE:
printf ("MOE ");
break;
case T_UCHAR:
printf ("UCHAR");
break;
case T_USHORT:
printf ("USHORT");
break;
case T_UINT:
printf ("UINT");
break;
case T_ULONG:
printf ("ULONG");
break;
case T_LNGDBL:
printf ("LNGDBL");
break;
default:
abort ();
}
}
nl ();
tab (-1);
}
static void
dump_coff_where (struct coff_where *p)
{
tab (1);
switch (p->where)
{
case coff_where_stack:
printf (_("Stack offset %x"), p->offset);
break;
case coff_where_memory:
printf (_("Memory section %s+%x"), p->section->name, p->offset);
break;
case coff_where_register:
printf (_("Register %d"), p->offset);
break;
case coff_where_member_of_struct:
printf (_("Struct Member offset %x"), p->offset);
break;
case coff_where_member_of_enum:
printf (_("Enum Member offset %x"), p->offset);
break;
case coff_where_unknown:
printf (_("Undefined symbol"));
break;
case coff_where_strtag:
printf ("STRTAG");
break;
case coff_where_entag:
printf ("ENTAG");
break;
case coff_where_typedef:
printf ("TYPEDEF");
break;
default:
abort ();
}
nl ();
tab (-1);
}
static void
dump_coff_visible (struct coff_visible *p)
{
tab (1);
switch (p->type)
{
case coff_vis_ext_def:
printf ("coff_vis_ext_def");
break;
case coff_vis_ext_ref:
printf ("coff_vis_ext_ref");
break;
case coff_vis_int_def:
printf ("coff_vis_int_def");
break;
case coff_vis_common:
printf ("coff_vis_common");
break;
case coff_vis_auto:
printf ("coff_vis_auto");
break;
case coff_vis_autoparam:
printf ("coff_vis_autoparam");
break;
case coff_vis_regparam:
printf ("coff_vis_regparam");
break;
case coff_vis_register:
printf ("coff_vis_register");
break;
case coff_vis_tag:
printf ("coff_vis_tag");
break;
case coff_vis_member_of_struct:
printf ("coff_vis_member_of_struct");
break;
case coff_vis_member_of_enum:
printf ("coff_vis_member_of_enum");
break;
default:
abort ();
}
nl ();
tab (-1);
}
static void
dump_coff_symbol (struct coff_symbol *p)
{
tab (1);
printf (_("List of symbols"));
nl ();
while (p)
{
tab (1);
tab (1);
printf (_("Symbol %s, tag %d, number %d"), p->name, p->tag, p->number);
nl ();
tab (-1);
tab (1);
printf (_("Type"));
nl ();
dump_coff_type (p->type);
tab (-1);
tab (1);
printf (_("Where"));
dump_coff_where (p->where);
tab (-1);
tab (1);
printf (_("Visible"));
dump_coff_visible (p->visible);
tab (-1);
p = p->next;
tab (-1);
}
tab (-1);
}
static void
dump_coff_scope (struct coff_scope *p)
{
if (p)
{
tab (1);
printf ("%s %" BFD_VMA_FMT "x ",
_("List of blocks "), (bfd_vma) (uintptr_t) p);
if (p->sec)
printf( " %s %x..%x", p->sec->name,p->offset, p->offset + p->size -1);
nl ();
tab (0);
printf ("*****************");
nl ();
while (p)
{
tab (0);
printf (_("vars %d"), p->nvars);
nl ();
dump_coff_symbol (p->vars_head);
printf (_("blocks"));
nl ();
dump_coff_scope (p->list_head);
nl ();
p = p->next;
}
tab (0);
printf ("*****************");
nl ();
tab (-1);
}
}
static void
dump_coff_sfile (struct coff_sfile *p)
{
tab (1);
printf (_("List of source files"));
nl ();
while (p)
{
tab (0);
printf (_("Source file %s"), p->name);
nl ();
dump_coff_scope (p->scope);
p = p->next;
}
tab (-1);
}
static void
dump_coff_section (struct coff_section *ptr)
{
unsigned int i;
tab (1);
printf (_("section %s %d %d address %x size %x number %d nrelocs %u"),
ptr->name, ptr->code, ptr->data, ptr->address,ptr->size,
ptr->number, ptr->nrelocs);
nl ();
for (i = 0; i < ptr->nrelocs; i++)
{
struct coff_reloc * r = ptr->relocs + i;
tab (0);
printf ("(%x %s %x)",
r->offset,
/* PR 17512: file: 0a38fb7c. */
r->symbol == NULL ? _("<no sym>") : r->symbol->name,
r->addend);
nl ();
}
tab (-1);
}
static void
coff_dump (struct coff_ofile *ptr)
{
int i;
printf ("Coff dump");
nl ();
printf (_("#sources %d"), ptr->nsources);
nl ();
dump_coff_sfile (ptr->source_head);
for (i = 0; i < ptr->nsections; i++)
dump_coff_section (ptr->sections + i);
}
char * program_name;
static void
show_usage (FILE *file, int status)
{
fprintf (file, _("Usage: %s [option(s)] in-file\n"), program_name);
fprintf (file, _(" Print a human readable interpretation of a COFF object file\n"));
fprintf (file, _(" The options are:\n\
@<file> Read options from <file>\n\
-h --help Display this information\n\
-v --version Display the program's version\n\
\n"));
if (REPORT_BUGS_TO[0] && status == 0)
fprintf (file, _("Report bugs to %s\n"), REPORT_BUGS_TO);
exit (status);
}
int
main (int ac, char **av)
{
bfd *abfd;
struct coff_ofile *tree;
char **matching;
char *input_file = NULL;
int opt;
static struct option long_options[] =
{
{ "help", no_argument, 0, 'h' },
{ "version", no_argument, 0, 'V' },
{ NULL, no_argument, 0, 0 }
};
#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
setlocale (LC_MESSAGES, "");
#endif
#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
program_name = av[0];
xmalloc_set_program_name (program_name);
bfd_set_error_program_name (program_name);
expandargv (&ac, &av);
while ((opt = getopt_long (ac, av, "HhVv", long_options,
(int *) NULL))
!= EOF)
{
switch (opt)
{
case 'H':
case 'h':
show_usage (stdout, 0);
break;
case 'v':
case 'V':
print_version ("coffdump");
exit (0);
case 0:
break;
default:
show_usage (stderr, 1);
break;
}
}
if (optind < ac)
{
input_file = av[optind];
}
if (!input_file)
fatal (_("no input file specified"));
abfd = bfd_openr (input_file, 0);
if (!abfd)
bfd_fatal (input_file);
if (! bfd_check_format_matches (abfd, bfd_object, &matching))
{
bfd_nonfatal (input_file);
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
{
list_matching_formats (matching);
free (matching);
}
exit (1);
}
tree = coff_grok (abfd);
if (tree)
{
coff_dump (tree);
printf ("\n");
}
return 0;
}