mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-27 03:51:15 +08:00
0d84aa0f4b
PR 7276.
1141 lines
27 KiB
C
1141 lines
27 KiB
C
/* nm.c -- Describe symbol table of a rel file.
|
||
Copyright 1991, 92, 93, 94 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 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#include "bfd.h"
|
||
#include "sysdep.h"
|
||
#include "progress.h"
|
||
#include "bucomm.h"
|
||
#include "getopt.h"
|
||
#include "aout/stab_gnu.h"
|
||
#include "aout/ranlib.h"
|
||
#include "demangle.h"
|
||
#include "libiberty.h"
|
||
|
||
static boolean
|
||
display_file PARAMS ((char *filename));
|
||
|
||
static void
|
||
display_rel_file PARAMS ((bfd * file, bfd * archive));
|
||
|
||
static unsigned int
|
||
filter_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount));
|
||
|
||
static unsigned int
|
||
sort_symbols_by_size PARAMS ((bfd *, asymbol **, unsigned long));
|
||
|
||
static void
|
||
print_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount,
|
||
bfd * archive));
|
||
|
||
static void
|
||
print_symdef_entry PARAMS ((bfd * abfd));
|
||
|
||
/* The sorting functions. */
|
||
|
||
static int
|
||
numeric_forward PARAMS ((const PTR, const PTR));
|
||
|
||
static int
|
||
numeric_reverse PARAMS ((const PTR, const PTR));
|
||
|
||
static int
|
||
non_numeric_forward PARAMS ((const PTR, const PTR));
|
||
|
||
static int
|
||
non_numeric_reverse PARAMS ((const PTR, const PTR));
|
||
|
||
static int
|
||
size_forward PARAMS ((const PTR, const PTR));
|
||
|
||
/* The output formatting functions. */
|
||
|
||
static void
|
||
print_object_filename_bsd PARAMS ((char *filename));
|
||
|
||
static void
|
||
print_object_filename_sysv PARAMS ((char *filename));
|
||
|
||
static void
|
||
print_object_filename_posix PARAMS ((char *filename));
|
||
|
||
|
||
static void
|
||
print_archive_filename_bsd PARAMS ((char *filename));
|
||
|
||
static void
|
||
print_archive_filename_sysv PARAMS ((char *filename));
|
||
|
||
static void
|
||
print_archive_filename_posix PARAMS ((char *filename));
|
||
|
||
|
||
static void
|
||
print_archive_member_bsd PARAMS ((char *archive, CONST char *filename));
|
||
|
||
static void
|
||
print_archive_member_sysv PARAMS ((char *archive, CONST char *filename));
|
||
|
||
static void
|
||
print_archive_member_posix PARAMS ((char *archive, CONST char *filename));
|
||
|
||
|
||
static void
|
||
print_symbol_filename_bsd PARAMS ((bfd * archive_bfd, bfd * abfd));
|
||
|
||
static void
|
||
print_symbol_filename_sysv PARAMS ((bfd * archive_bfd, bfd * abfd));
|
||
|
||
static void
|
||
print_symbol_filename_posix PARAMS ((bfd * archive_bfd, bfd * abfd));
|
||
|
||
|
||
static void
|
||
print_symbol_info_bsd PARAMS ((symbol_info * info, bfd * abfd));
|
||
|
||
static void
|
||
print_symbol_info_sysv PARAMS ((symbol_info * info, bfd * abfd));
|
||
|
||
static void
|
||
print_symbol_info_posix PARAMS ((symbol_info * info, bfd * abfd));
|
||
|
||
|
||
/* Support for different output formats. */
|
||
struct output_fns
|
||
{
|
||
/* Print the name of an object file given on the command line. */
|
||
void (*print_object_filename) PARAMS ((char *filename));
|
||
|
||
/* Print the name of an archive file given on the command line. */
|
||
void (*print_archive_filename) PARAMS ((char *filename));
|
||
|
||
/* Print the name of an archive member file. */
|
||
void (*print_archive_member) PARAMS ((char *archive, CONST char *filename));
|
||
|
||
/* Print the name of the file (and archive, if there is one)
|
||
containing a symbol. */
|
||
void (*print_symbol_filename) PARAMS ((bfd * archive_bfd, bfd * abfd));
|
||
|
||
/* Print a line of information about a symbol. */
|
||
void (*print_symbol_info) PARAMS ((symbol_info * info, bfd * abfd));
|
||
};
|
||
static struct output_fns formats[] =
|
||
{
|
||
{print_object_filename_bsd,
|
||
print_archive_filename_bsd,
|
||
print_archive_member_bsd,
|
||
print_symbol_filename_bsd,
|
||
print_symbol_info_bsd},
|
||
{print_object_filename_sysv,
|
||
print_archive_filename_sysv,
|
||
print_archive_member_sysv,
|
||
print_symbol_filename_sysv,
|
||
print_symbol_info_sysv},
|
||
{print_object_filename_posix,
|
||
print_archive_filename_posix,
|
||
print_archive_member_posix,
|
||
print_symbol_filename_posix,
|
||
print_symbol_info_posix}
|
||
};
|
||
|
||
/* Indices in `formats'. */
|
||
#define FORMAT_BSD 0
|
||
#define FORMAT_SYSV 1
|
||
#define FORMAT_POSIX 2
|
||
#define FORMAT_DEFAULT FORMAT_BSD
|
||
|
||
/* The output format to use. */
|
||
static struct output_fns *format = &formats[FORMAT_DEFAULT];
|
||
|
||
|
||
/* Command options. */
|
||
|
||
static int do_demangle = 0; /* Pretty print C++ symbol names. */
|
||
static int external_only = 0; /* print external symbols only */
|
||
static int no_sort = 0; /* don't sort; print syms in order found */
|
||
static int print_debug_syms = 0; /* print debugger-only symbols too */
|
||
static int print_armap = 0; /* describe __.SYMDEF data in archive files. */
|
||
static int reverse_sort = 0; /* sort in downward(alpha or numeric) order */
|
||
static int sort_numerically = 0; /* sort in numeric rather than alpha order */
|
||
static int sort_by_size = 0; /* sort by size of symbol */
|
||
static int undefined_only = 0; /* print undefined symbols only */
|
||
static int dynamic = 0; /* print dynamic symbols. */
|
||
static int show_version = 0; /* show the version number */
|
||
|
||
/* When to print the names of files. Not mutually exclusive in SYSV format. */
|
||
static int filename_per_file = 0; /* Once per file, on its own line. */
|
||
static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
|
||
|
||
/* Print formats for printing a symbol value. */
|
||
#ifdef BFD_HOST_64_BIT
|
||
static char value_format[] = "%08x%08x";
|
||
#else
|
||
static char value_format[] = "%08lx";
|
||
#endif
|
||
/* Print formats for printing stab info. */
|
||
static char other_format[] = "%02x";
|
||
static char desc_format[] = "%04x";
|
||
|
||
/* IMPORT */
|
||
extern char *program_name;
|
||
extern char *program_version;
|
||
extern char *target;
|
||
extern int print_version;
|
||
|
||
static struct option long_options[] =
|
||
{
|
||
{"debug-syms", no_argument, &print_debug_syms, 1},
|
||
{"demangle", no_argument, &do_demangle, 1},
|
||
{"dynamic", no_argument, &dynamic, 1},
|
||
{"extern-only", no_argument, &external_only, 1},
|
||
{"format", required_argument, 0, 'f'},
|
||
{"help", no_argument, 0, 'h'},
|
||
{"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
|
||
{"no-demangle", no_argument, &do_demangle, 0},
|
||
{"no-sort", no_argument, &no_sort, 1},
|
||
{"numeric-sort", no_argument, &sort_numerically, 1},
|
||
{"portability", no_argument, 0, 'P'},
|
||
{"print-armap", no_argument, &print_armap, 1},
|
||
{"print-file-name", no_argument, 0, 'o'},
|
||
{"radix", required_argument, 0, 't'},
|
||
{"reverse-sort", no_argument, &reverse_sort, 1},
|
||
{"size-sort", no_argument, &sort_by_size, 1},
|
||
{"target", required_argument, 0, 200},
|
||
{"undefined-only", no_argument, &undefined_only, 1},
|
||
{"version", no_argument, &show_version, 1},
|
||
{0, no_argument, 0, 0}
|
||
};
|
||
|
||
/* Some error-reporting functions */
|
||
|
||
void
|
||
usage (stream, status)
|
||
FILE *stream;
|
||
int status;
|
||
{
|
||
fprintf (stream, "\
|
||
Usage: %s [-aABCDgnopPrsuvV] [-t radix] [--radix=radix] [--target=bfdname]\n\
|
||
[--debug-syms] [--extern-only] [--print-armap] [--print-file-name]\n\
|
||
[--numeric-sort] [--no-sort] [--reverse-sort] [--size-sort]\n\
|
||
[--undefined-only] [--portability] [-f {bsd,sysv,posix}]\n\
|
||
[--format={bsd,sysv,posix}] [--demangle] [--no-demangle] [--dynamic]\n\
|
||
[--version] [--help]\n\
|
||
[file...]\n",
|
||
program_name);
|
||
list_supported_targets (program_name, stream);
|
||
exit (status);
|
||
}
|
||
|
||
/* Set the radix for the symbol value and size according to RADIX. */
|
||
|
||
void
|
||
set_print_radix (radix)
|
||
char *radix;
|
||
{
|
||
switch (*radix)
|
||
{
|
||
case 'd':
|
||
case 'o':
|
||
case 'x':
|
||
#ifdef BFD_HOST_64_BIT
|
||
value_format[3] = value_format[7] = *radix;
|
||
#else
|
||
value_format[4] = *radix;
|
||
#endif
|
||
other_format[3] = desc_format[3] = *radix;
|
||
break;
|
||
default:
|
||
fprintf (stderr, "%s: %s: invalid radix\n", program_name, radix);
|
||
exit (1);
|
||
}
|
||
}
|
||
|
||
void
|
||
set_output_format (f)
|
||
char *f;
|
||
{
|
||
int i;
|
||
|
||
switch (*f)
|
||
{
|
||
case 'b':
|
||
case 'B':
|
||
i = FORMAT_BSD;
|
||
break;
|
||
case 'p':
|
||
case 'P':
|
||
i = FORMAT_POSIX;
|
||
break;
|
||
case 's':
|
||
case 'S':
|
||
i = FORMAT_SYSV;
|
||
break;
|
||
default:
|
||
fprintf (stderr, "%s: %s: invalid output format\n", program_name, f);
|
||
exit (1);
|
||
}
|
||
format = &formats[i];
|
||
}
|
||
|
||
int
|
||
main (argc, argv)
|
||
int argc;
|
||
char **argv;
|
||
{
|
||
int c;
|
||
int retval;
|
||
|
||
program_name = *argv;
|
||
xmalloc_set_program_name (program_name);
|
||
|
||
START_PROGRESS (program_name, 0);
|
||
|
||
bfd_init ();
|
||
|
||
while ((c = getopt_long (argc, argv, "aABCDf:gnopPrst:uvV", long_options, (int *) 0)) != EOF)
|
||
{
|
||
switch (c)
|
||
{
|
||
case 'a':
|
||
print_debug_syms = 1;
|
||
break;
|
||
case 'A':
|
||
case 'o':
|
||
filename_per_symbol = 1;
|
||
break;
|
||
case 'B': /* For MIPS compatibility. */
|
||
set_output_format ("bsd");
|
||
break;
|
||
case 'C':
|
||
do_demangle = 1;
|
||
break;
|
||
case 'D':
|
||
dynamic = 1;
|
||
break;
|
||
case 'f':
|
||
set_output_format (optarg);
|
||
break;
|
||
case 'g':
|
||
external_only = 1;
|
||
break;
|
||
case 'h':
|
||
usage (stdout, 0);
|
||
case 'n':
|
||
case 'v':
|
||
sort_numerically = 1;
|
||
break;
|
||
case 'p':
|
||
no_sort = 1;
|
||
break;
|
||
case 'P':
|
||
set_output_format ("posix");
|
||
break;
|
||
case 'r':
|
||
reverse_sort = 1;
|
||
break;
|
||
case 's':
|
||
print_armap = 1;
|
||
break;
|
||
case 't':
|
||
set_print_radix (optarg);
|
||
break;
|
||
case 'u':
|
||
undefined_only = 1;
|
||
break;
|
||
case 'V':
|
||
show_version = 1;
|
||
break;
|
||
|
||
case 200: /* --target */
|
||
target = optarg;
|
||
break;
|
||
|
||
case 0: /* A long option that just sets a flag. */
|
||
break;
|
||
|
||
default:
|
||
usage (stderr, 1);
|
||
}
|
||
}
|
||
|
||
if (show_version)
|
||
{
|
||
printf ("GNU %s version %s\n", program_name, program_version);
|
||
exit (0);
|
||
}
|
||
|
||
/* OK, all options now parsed. If no filename specified, do a.out. */
|
||
if (optind == argc)
|
||
return !display_file ("a.out");
|
||
|
||
retval = 0;
|
||
|
||
if (argc - optind > 1)
|
||
filename_per_file = 1;
|
||
|
||
/* We were given several filenames to do. */
|
||
while (optind < argc)
|
||
{
|
||
PROGRESS (1);
|
||
if (!display_file (argv[optind++]))
|
||
retval++;
|
||
}
|
||
|
||
END_PROGRESS (program_name);
|
||
|
||
exit (retval);
|
||
return retval;
|
||
}
|
||
|
||
static void
|
||
display_archive (file)
|
||
bfd *file;
|
||
{
|
||
bfd *arfile = NULL;
|
||
bfd *last_arfile = NULL;
|
||
char **matching;
|
||
|
||
(*format->print_archive_filename) (bfd_get_filename (file));
|
||
|
||
if (print_armap)
|
||
print_symdef_entry (file);
|
||
|
||
for (;;)
|
||
{
|
||
PROGRESS (1);
|
||
|
||
arfile = bfd_openr_next_archived_file (file, arfile);
|
||
|
||
if (arfile == NULL)
|
||
{
|
||
if (bfd_get_error () != bfd_error_no_more_archived_files)
|
||
bfd_fatal (bfd_get_filename (file));
|
||
break;
|
||
}
|
||
|
||
if (bfd_check_format_matches (arfile, bfd_object, &matching))
|
||
{
|
||
(*format->print_archive_member) (bfd_get_filename (file),
|
||
bfd_get_filename (arfile));
|
||
display_rel_file (arfile, file);
|
||
}
|
||
else
|
||
{
|
||
bfd_nonfatal (bfd_get_filename (arfile));
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
{
|
||
list_matching_formats (matching);
|
||
free (matching);
|
||
}
|
||
}
|
||
|
||
if (last_arfile != NULL)
|
||
bfd_close (last_arfile);
|
||
last_arfile = arfile;
|
||
}
|
||
|
||
if (last_arfile != NULL)
|
||
bfd_close (last_arfile);
|
||
}
|
||
|
||
static boolean
|
||
display_file (filename)
|
||
char *filename;
|
||
{
|
||
boolean retval = true;
|
||
bfd *file;
|
||
char **matching;
|
||
|
||
file = bfd_openr (filename, target);
|
||
if (file == NULL)
|
||
{
|
||
bfd_nonfatal (filename);
|
||
return false;
|
||
}
|
||
|
||
if (bfd_check_format (file, bfd_archive))
|
||
{
|
||
display_archive (file);
|
||
}
|
||
else if (bfd_check_format_matches (file, bfd_object, &matching))
|
||
{
|
||
(*format->print_object_filename) (filename);
|
||
display_rel_file (file, NULL);
|
||
}
|
||
else
|
||
{
|
||
bfd_nonfatal (filename);
|
||
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
|
||
{
|
||
list_matching_formats (matching);
|
||
free (matching);
|
||
}
|
||
retval = false;
|
||
}
|
||
|
||
if (bfd_close (file) == false)
|
||
bfd_fatal (filename);
|
||
|
||
return retval;
|
||
}
|
||
|
||
/* Symbol-sorting predicates */
|
||
#define valueof(x) ((x)->section->vma + (x)->value)
|
||
|
||
/* Numeric sorts. Undefined symbols are always considered "less than"
|
||
defined symbols with zero values. Common symbols are not treated
|
||
specially -- i.e., their sizes are used as their "values". */
|
||
static int
|
||
numeric_forward (P_x, P_y)
|
||
const PTR P_x;
|
||
const PTR P_y;
|
||
{
|
||
asymbol *x = *(asymbol **) P_x;
|
||
asymbol *y = *(asymbol **) P_y;
|
||
asection *xs = bfd_get_section (x);
|
||
asection *ys = bfd_get_section (y);
|
||
if (bfd_is_und_section (xs))
|
||
{
|
||
if (bfd_is_und_section (ys))
|
||
goto equal;
|
||
return -1;
|
||
}
|
||
else if (bfd_is_und_section (ys))
|
||
return 1;
|
||
/* Don't just return the difference -- in cross configurations,
|
||
after truncation to `int' it might not have the sign we want. */
|
||
if (valueof (x) != valueof (y))
|
||
return valueof (x) < valueof (y) ? -1 : 1;
|
||
equal:
|
||
return non_numeric_forward (P_x, P_y);
|
||
}
|
||
|
||
static int
|
||
numeric_reverse (x, y)
|
||
const PTR x;
|
||
const PTR y;
|
||
{
|
||
return -numeric_forward (x, y);
|
||
}
|
||
|
||
static int
|
||
non_numeric_forward (x, y)
|
||
const PTR x;
|
||
const PTR y;
|
||
{
|
||
CONST char *xn = (*(asymbol **) x)->name;
|
||
CONST char *yn = (*(asymbol **) y)->name;
|
||
|
||
return ((xn == NULL) ? ((yn == NULL) ? 0 : -1) :
|
||
((yn == NULL) ? 1 : strcmp (xn, yn)));
|
||
}
|
||
|
||
static int
|
||
non_numeric_reverse (x, y)
|
||
const PTR x;
|
||
const PTR y;
|
||
{
|
||
return -non_numeric_forward (x, y);
|
||
}
|
||
|
||
static int (*(sorters[2][2])) PARAMS ((const PTR, const PTR)) =
|
||
{
|
||
{ non_numeric_forward, non_numeric_reverse },
|
||
{ numeric_forward, numeric_reverse }
|
||
};
|
||
|
||
/* This sort routine is used by sort_symbols_by_size. It is similar
|
||
to numeric_forward, but when symbols have the same value it sorts
|
||
by section VMA. This simplifies the sort_symbols_by_size code
|
||
which handles symbols at the end of sections. Also, this routine
|
||
tries to sort file names before other symbols with the same value.
|
||
That will make the file name have a zero size, which will make
|
||
sort_symbols_by_size choose the non file name symbol, leading to
|
||
more meaningful output. For similar reasons, this code sorts
|
||
gnu_compiled_* and gcc2_compiled before other symbols with the same
|
||
value. */
|
||
|
||
static int
|
||
size_forward (P_x, P_y)
|
||
const PTR P_x;
|
||
const PTR P_y;
|
||
{
|
||
asymbol *x = *(asymbol **) P_x;
|
||
asymbol *y = *(asymbol **) P_y;
|
||
asection *xs = bfd_get_section (x);
|
||
asection *ys = bfd_get_section (y);
|
||
const char *xn;
|
||
const char *yn;
|
||
size_t xnl;
|
||
size_t ynl;
|
||
int xf;
|
||
int yf;
|
||
|
||
if (bfd_is_und_section (xs))
|
||
abort ();
|
||
if (bfd_is_und_section (ys))
|
||
abort ();
|
||
|
||
if (valueof (x) != valueof (y))
|
||
return valueof (x) < valueof (y) ? -1 : 1;
|
||
|
||
if (xs->vma != ys->vma)
|
||
return xs->vma < ys->vma ? -1 : 1;
|
||
|
||
xn = bfd_asymbol_name (x);
|
||
yn = bfd_asymbol_name (y);
|
||
xnl = strlen (xn);
|
||
ynl = strlen (yn);
|
||
|
||
/* The symbols gnu_compiled and gcc2_compiled convey even less
|
||
information than the file name, so sort them out first. */
|
||
|
||
xf = (strstr (xn, "gnu_compiled") != NULL
|
||
|| strstr (xn, "gcc2_compiled") != NULL);
|
||
yf = (strstr (yn, "gnu_compiled") != NULL
|
||
|| strstr (yn, "gcc2_compiled") != NULL);
|
||
|
||
if (xf && ! yf)
|
||
return -1;
|
||
if (! xf && yf)
|
||
return 1;
|
||
|
||
/* We use a heuristic for the file name. It may not work on non
|
||
Unix systems, but it doesn't really matter; the only difference
|
||
is precisely which symbol names get printed. */
|
||
|
||
#define file_symbol(s, sn, snl) \
|
||
((s->flags & BSF_FILE) != 0 \
|
||
|| (sn[snl - 2] == '.' \
|
||
&& (sn[snl - 1] == 'o' \
|
||
|| sn[snl - 1] == 'a')))
|
||
|
||
xf = file_symbol (x, xn, xnl);
|
||
yf = file_symbol (y, yn, ynl);
|
||
|
||
if (xf && ! yf)
|
||
return -1;
|
||
if (! xf && yf)
|
||
return 1;
|
||
|
||
return non_numeric_forward (P_x, P_y);
|
||
}
|
||
|
||
/* Sort the symbols by size. We guess the size by assuming that the
|
||
difference between the address of a symbol and the address of the
|
||
next higher symbol is the size. FIXME: ELF actually stores a size
|
||
with each symbol. We should use it. */
|
||
|
||
static unsigned int
|
||
sort_symbols_by_size (abfd, syms, symcount)
|
||
bfd *abfd;
|
||
asymbol **syms;
|
||
unsigned long symcount;
|
||
{
|
||
asymbol **from, **to;
|
||
unsigned int src_count;
|
||
unsigned int dst_count = 0;
|
||
asymbol *sym;
|
||
asection *sec;
|
||
|
||
qsort ((PTR) syms, symcount, sizeof (asymbol *), size_forward);
|
||
|
||
/* Note that filter_symbols has already removed all absolute and
|
||
undefined symbols. Here we remove all symbols whose size winds
|
||
up as zero. */
|
||
|
||
for (from = to = syms, src_count = 0; src_count < symcount; src_count++)
|
||
{
|
||
bfd_vma size;
|
||
|
||
sym = from[src_count];
|
||
sec = bfd_get_section (sym);
|
||
|
||
if (bfd_is_com_section (sec))
|
||
size = sym->value;
|
||
else
|
||
{
|
||
if (src_count + 1 < symcount
|
||
&& sec == bfd_get_section (from[src_count + 1]))
|
||
size = valueof (from[src_count + 1]) - valueof (sym);
|
||
else
|
||
size = (bfd_get_section_vma (abfd, sec)
|
||
+ bfd_section_size (abfd, sec)
|
||
- valueof (sym));
|
||
}
|
||
|
||
if (size != 0)
|
||
{
|
||
/* We adjust the value of the symbol so that when it is
|
||
printed out, it will actually be the size. */
|
||
sym->value = size - bfd_get_section_vma (abfd, sec);
|
||
|
||
to[dst_count++] = sym;
|
||
}
|
||
}
|
||
|
||
/* We must now sort again by size. */
|
||
qsort ((PTR) syms, dst_count, sizeof (asymbol *), sorters[1][reverse_sort]);
|
||
|
||
return dst_count;
|
||
}
|
||
|
||
/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
|
||
|
||
static void
|
||
display_rel_file (abfd, archive_bfd)
|
||
bfd *abfd;
|
||
bfd *archive_bfd;
|
||
{
|
||
long storage;
|
||
asymbol **syms;
|
||
long symcount = 0;
|
||
|
||
if (dynamic)
|
||
{
|
||
if (!(bfd_get_file_flags (abfd) & DYNAMIC))
|
||
{
|
||
printf ("\"%s\" is not a dynamic object.\n",
|
||
bfd_get_filename (abfd));
|
||
return;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
|
||
{
|
||
printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd));
|
||
return;
|
||
}
|
||
}
|
||
|
||
if (dynamic)
|
||
storage = bfd_get_dynamic_symtab_upper_bound (abfd);
|
||
else
|
||
storage = bfd_get_symtab_upper_bound (abfd);
|
||
if (storage < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
if (storage == 0)
|
||
{
|
||
nosymz:
|
||
if (dynamic)
|
||
fprintf (stderr, "%s: no symbols\n", bfd_get_filename (abfd));
|
||
else
|
||
fprintf (stderr, "%s: Symflags set but there are none?\n",
|
||
bfd_get_filename (abfd));
|
||
return;
|
||
}
|
||
|
||
syms = (asymbol **) xmalloc (storage);
|
||
|
||
if (dynamic)
|
||
symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
|
||
else
|
||
symcount = bfd_canonicalize_symtab (abfd, syms);
|
||
if (symcount < 0)
|
||
bfd_fatal (bfd_get_filename (abfd));
|
||
if (symcount == 0)
|
||
{
|
||
free (syms);
|
||
goto nosymz;
|
||
}
|
||
|
||
/* Discard the symbols we don't want to print.
|
||
It's OK to do this in place; we'll free the storage anyway
|
||
(after printing). */
|
||
|
||
symcount = filter_symbols (abfd, syms, symcount);
|
||
|
||
if (!no_sort)
|
||
{
|
||
if (! sort_by_size)
|
||
qsort ((char *) syms, symcount, sizeof (asymbol *),
|
||
sorters[sort_numerically][reverse_sort]);
|
||
else
|
||
symcount = sort_symbols_by_size (abfd, syms, symcount);
|
||
}
|
||
|
||
print_symbols (abfd, syms, symcount, archive_bfd);
|
||
free (syms);
|
||
}
|
||
|
||
/* Choose which symbol entries to print;
|
||
compact them downward to get rid of the rest.
|
||
Return the number of symbols to be printed. */
|
||
|
||
static unsigned int
|
||
filter_symbols (abfd, syms, symcount)
|
||
bfd *abfd; /* Unused. */
|
||
asymbol **syms;
|
||
unsigned long symcount;
|
||
{
|
||
asymbol **from, **to;
|
||
unsigned int src_count;
|
||
unsigned int dst_count = 0;
|
||
asymbol *sym;
|
||
|
||
for (from = to = syms, src_count = 0; src_count < symcount; src_count++)
|
||
{
|
||
int keep = 0;
|
||
flagword flags = (from[src_count])->flags;
|
||
|
||
PROGRESS (1);
|
||
|
||
sym = from[src_count];
|
||
if (undefined_only)
|
||
keep = bfd_is_und_section (sym->section);
|
||
else if (external_only)
|
||
keep = ((flags & BSF_GLOBAL)
|
||
|| bfd_is_und_section (sym->section)
|
||
|| bfd_is_com_section (sym->section));
|
||
else
|
||
keep = 1;
|
||
|
||
if (!print_debug_syms && ((flags & BSF_DEBUGGING) != 0))
|
||
keep = 0;
|
||
|
||
if (sort_by_size
|
||
&& (bfd_is_abs_section (sym->section)
|
||
|| bfd_is_und_section (sym->section)))
|
||
keep = 0;
|
||
|
||
if (keep)
|
||
to[dst_count++] = from[src_count];
|
||
}
|
||
|
||
return dst_count;
|
||
}
|
||
|
||
/* Print symbol name NAME, read from ABFD, with printf format FORMAT,
|
||
demangling it if requested. */
|
||
|
||
static void
|
||
print_symname (format, name, abfd)
|
||
char *format, *name;
|
||
bfd *abfd;
|
||
{
|
||
if (do_demangle)
|
||
{
|
||
char *res;
|
||
|
||
/* In this mode, give a user-level view of the symbol name
|
||
even if it's not mangled; strip off any leading
|
||
underscore. */
|
||
if (bfd_get_symbol_leading_char (abfd) == name[0])
|
||
name++;
|
||
|
||
res = cplus_demangle (name, DMGL_ANSI | DMGL_PARAMS);
|
||
if (res)
|
||
{
|
||
printf (format, res);
|
||
free (res);
|
||
return;
|
||
}
|
||
}
|
||
|
||
printf (format, name);
|
||
}
|
||
|
||
/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
|
||
|
||
static void
|
||
print_symbols (abfd, syms, symcount, archive_bfd)
|
||
bfd *abfd;
|
||
asymbol **syms;
|
||
unsigned long symcount;
|
||
bfd *archive_bfd;
|
||
{
|
||
asymbol **sym = syms, **end = syms + symcount;
|
||
symbol_info syminfo;
|
||
|
||
for (; sym < end; ++sym)
|
||
{
|
||
PROGRESS (1);
|
||
|
||
(*format->print_symbol_filename) (archive_bfd, abfd);
|
||
|
||
if (undefined_only)
|
||
{
|
||
if (bfd_is_und_section ((*sym)->section))
|
||
{
|
||
print_symname ("%s\n", (*sym)->name, abfd);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
asymbol *p = *sym;
|
||
if (p)
|
||
{
|
||
bfd_get_symbol_info (abfd, p, &syminfo);
|
||
(*format->print_symbol_info) (&syminfo, abfd);
|
||
putchar ('\n');
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
/* The following 3 groups of functions are called unconditionally,
|
||
once at the start of processing each file of the appropriate type.
|
||
They should check `filename_per_file' and `filename_per_symbol',
|
||
as appropriate for their output format, to determine whether to
|
||
print anything. */
|
||
|
||
/* Print the name of an object file given on the command line. */
|
||
|
||
static void
|
||
print_object_filename_bsd (filename)
|
||
char *filename;
|
||
{
|
||
if (filename_per_file && !filename_per_symbol)
|
||
printf ("\n%s:\n", filename);
|
||
}
|
||
|
||
static void
|
||
print_object_filename_sysv (filename)
|
||
char *filename;
|
||
{
|
||
if (undefined_only)
|
||
printf ("\n\nUndefined symbols from %s:\n\n", filename);
|
||
else
|
||
printf ("\n\nSymbols from %s:\n\n", filename);
|
||
printf ("\
|
||
Name Value Class Type Size Line Section\n\n");
|
||
}
|
||
|
||
static void
|
||
print_object_filename_posix (filename)
|
||
char *filename;
|
||
{
|
||
if (filename_per_file && !filename_per_symbol)
|
||
printf ("%s:\n", filename);
|
||
}
|
||
|
||
/* Print the name of an archive file given on the command line. */
|
||
|
||
static void
|
||
print_archive_filename_bsd (filename)
|
||
char *filename;
|
||
{
|
||
if (filename_per_file)
|
||
printf ("\n%s:\n", filename);
|
||
}
|
||
|
||
static void
|
||
print_archive_filename_sysv (filename)
|
||
char *filename;
|
||
{
|
||
}
|
||
|
||
static void
|
||
print_archive_filename_posix (filename)
|
||
char *filename;
|
||
{
|
||
}
|
||
|
||
/* Print the name of an archive member file. */
|
||
|
||
static void
|
||
print_archive_member_bsd (archive, filename)
|
||
char *archive;
|
||
CONST char *filename;
|
||
{
|
||
if (!filename_per_symbol)
|
||
printf ("\n%s:\n", filename);
|
||
}
|
||
|
||
static void
|
||
print_archive_member_sysv (archive, filename)
|
||
char *archive;
|
||
CONST char *filename;
|
||
{
|
||
if (undefined_only)
|
||
printf ("\n\nUndefined symbols from %s[%s]:\n\n", archive, filename);
|
||
else
|
||
printf ("\n\nSymbols from %s[%s]:\n\n", archive, filename);
|
||
printf ("\
|
||
Name Value Class Type Size Line Section\n\n");
|
||
}
|
||
|
||
static void
|
||
print_archive_member_posix (archive, filename)
|
||
char *archive;
|
||
CONST char *filename;
|
||
{
|
||
if (!filename_per_symbol)
|
||
printf ("%s[%s]:\n", archive, filename);
|
||
}
|
||
|
||
/* Print the name of the file (and archive, if there is one)
|
||
containing a symbol. */
|
||
|
||
static void
|
||
print_symbol_filename_bsd (archive_bfd, abfd)
|
||
bfd *archive_bfd, *abfd;
|
||
{
|
||
if (filename_per_symbol)
|
||
{
|
||
if (archive_bfd)
|
||
printf ("%s:", bfd_get_filename (archive_bfd));
|
||
printf ("%s:", bfd_get_filename (abfd));
|
||
}
|
||
}
|
||
|
||
static void
|
||
print_symbol_filename_sysv (archive_bfd, abfd)
|
||
bfd *archive_bfd, *abfd;
|
||
{
|
||
if (filename_per_symbol)
|
||
{
|
||
if (archive_bfd)
|
||
printf ("%s:", bfd_get_filename (archive_bfd));
|
||
printf ("%s:", bfd_get_filename (abfd));
|
||
}
|
||
}
|
||
|
||
static void
|
||
print_symbol_filename_posix (archive_bfd, abfd)
|
||
bfd *archive_bfd, *abfd;
|
||
{
|
||
if (filename_per_symbol)
|
||
{
|
||
if (archive_bfd)
|
||
printf ("%s[%s]: ", bfd_get_filename (archive_bfd),
|
||
bfd_get_filename (abfd));
|
||
else
|
||
printf ("%s: ", bfd_get_filename (abfd));
|
||
}
|
||
}
|
||
|
||
/* Print a line of information about a symbol. */
|
||
|
||
static void
|
||
print_symbol_info_bsd (info, abfd)
|
||
symbol_info *info;
|
||
bfd *abfd;
|
||
{
|
||
if (info->type == 'U')
|
||
{
|
||
printf ("%*s",
|
||
#ifdef BFD_HOST_64_BIT
|
||
16,
|
||
#else
|
||
8,
|
||
#endif
|
||
"");
|
||
}
|
||
else
|
||
{
|
||
#ifdef BFD_HOST_64_BIT
|
||
printf (value_format, uint64_typeHIGH (info->value),
|
||
uint64_typeLOW (info->value));
|
||
#else
|
||
printf (value_format, info->value);
|
||
#endif
|
||
}
|
||
printf (" %c", info->type);
|
||
if (info->type == '-')
|
||
{
|
||
/* A stab. */
|
||
printf (" ");
|
||
printf (other_format, info->stab_other);
|
||
printf (" ");
|
||
printf (desc_format, info->stab_desc);
|
||
printf (" %5s", info->stab_name);
|
||
}
|
||
print_symname (" %s", info->name, abfd);
|
||
}
|
||
|
||
static void
|
||
print_symbol_info_sysv (info, abfd)
|
||
symbol_info *info;
|
||
bfd *abfd;
|
||
{
|
||
print_symname ("%-20s|", info->name, abfd); /* Name */
|
||
if (info->type == 'U')
|
||
printf (" "); /* Value */
|
||
else
|
||
{
|
||
#ifdef BFD_HOST_64_BIT
|
||
printf (value_format, uint64_typeHIGH (info->value),
|
||
uint64_typeLOW (info->value));
|
||
#else
|
||
printf (value_format, info->value);
|
||
#endif
|
||
}
|
||
printf ("| %c |", info->type); /* Class */
|
||
if (info->type == '-')
|
||
{
|
||
/* A stab. */
|
||
printf ("%18s| ", info->stab_name); /* (C) Type */
|
||
printf (desc_format, info->stab_desc); /* Size */
|
||
printf ("| |"); /* Line, Section */
|
||
}
|
||
else
|
||
printf (" | | |"); /* Type, Size, Line, Section */
|
||
}
|
||
|
||
static void
|
||
print_symbol_info_posix (info, abfd)
|
||
symbol_info *info;
|
||
bfd *abfd;
|
||
{
|
||
print_symname ("%s ", info->name, abfd);
|
||
printf ("%c ", info->type);
|
||
if (info->type == 'U')
|
||
printf (" ");
|
||
else
|
||
{
|
||
#ifdef BFD_HOST_64_BIT
|
||
printf (value_format, uint64_typeHIGH (info->value),
|
||
uint64_typeLOW (info->value));
|
||
#else
|
||
printf (value_format, info->value);
|
||
#endif
|
||
}
|
||
/* POSIX.2 wants the symbol size printed here, when applicable;
|
||
BFD currently doesn't provide it, so we take the easy way out by
|
||
considering it to never be applicable. */
|
||
}
|
||
|
||
static void
|
||
print_symdef_entry (abfd)
|
||
bfd *abfd;
|
||
{
|
||
symindex idx = BFD_NO_MORE_SYMBOLS;
|
||
carsym *thesym;
|
||
boolean everprinted = false;
|
||
|
||
for (idx = bfd_get_next_mapent (abfd, idx, &thesym);
|
||
idx != BFD_NO_MORE_SYMBOLS;
|
||
idx = bfd_get_next_mapent (abfd, idx, &thesym))
|
||
{
|
||
bfd *elt;
|
||
if (!everprinted)
|
||
{
|
||
printf ("\nArchive index:\n");
|
||
everprinted = true;
|
||
}
|
||
elt = bfd_get_elt_at_index (abfd, idx);
|
||
if (thesym->name != (char *) NULL)
|
||
{
|
||
print_symname ("%s", thesym->name, abfd);
|
||
printf (" in %s\n", bfd_get_filename (elt));
|
||
}
|
||
}
|
||
}
|