/* nm.c -- Describe symbol table of a rel file.
- Copyright 1991, 92, 93, 94 Free Software Foundation, Inc.
+ Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
+ 2001
+ Free Software Foundation, Inc.
This file is part of GNU Binutils.
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. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include "bfd.h"
#include "progress.h"
bfd_vma size;
};
+/* When fetching relocs, we use this structure to pass information to
+ get_relocs. */
+
+struct get_relocs_info
+{
+ asection **secs;
+ arelent ***relocs;
+ long *relcount;
+ asymbol **syms;
+};
+
+static void
+usage PARAMS ((FILE *, int));
+
+static void
+set_print_radix PARAMS ((char *));
+
+static void
+set_output_format PARAMS ((char *));
+
+static void
+display_archive PARAMS ((bfd *));
+
static boolean
display_file PARAMS ((char *filename));
static void
print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *));
+static void
+print_symname PARAMS ((const char *, const char *, bfd *));
+
static void
print_symbol PARAMS ((bfd *, asymbol *, bfd *));
static void
print_symbol_info_posix PARAMS ((symbol_info * info, bfd * abfd));
+static void
+get_relocs PARAMS ((bfd *, asection *, PTR));
/* Support for different output formats. */
struct output_fns
static int do_demangle = 0; /* Pretty print C++ symbol names. */
static int external_only = 0; /* print external symbols only */
+static int defined_only = 0; /* Print defined 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 dynamic = 0; /* print dynamic symbols. */
static int show_version = 0; /* show the version number */
static int show_stats = 0; /* show statistics */
+static int line_numbers = 0; /* print line numbers for symbols */
/* 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 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 char *target = NULL;
+
+/* Used to cache the line numbers for a BFD. */
+static bfd *lineno_cache_bfd;
+static bfd *lineno_cache_rel_bfd;
+
+#define OPTION_TARGET 200
static struct option long_options[] =
{
{"debug-syms", no_argument, &print_debug_syms, 1},
- {"demangle", no_argument, &do_demangle, 1},
+ {"demangle", optional_argument, 0, 'C'},
{"dynamic", no_argument, &dynamic, 1},
{"extern-only", no_argument, &external_only, 1},
{"format", required_argument, 0, 'f'},
{"help", no_argument, 0, 'h'},
+ {"line-numbers", no_argument, 0, 'l'},
{"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
{"no-demangle", no_argument, &do_demangle, 0},
{"no-sort", no_argument, &no_sort, 1},
{"reverse-sort", no_argument, &reverse_sort, 1},
{"size-sort", no_argument, &sort_by_size, 1},
{"stats", no_argument, &show_stats, 1},
- {"target", required_argument, 0, 200},
+ {"target", required_argument, 0, OPTION_TARGET},
+ {"defined-only", no_argument, &defined_only, 1},
{"undefined-only", no_argument, &undefined_only, 1},
{"version", no_argument, &show_version, 1},
{0, no_argument, 0, 0}
\f
/* Some error-reporting functions */
-void
+static 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);
+ fprintf (stream, _("Usage: %s [OPTION]... [FILE]...\n"), program_name);
+ fprintf (stream, _("List symbols from FILEs (a.out by default).\n"));
+ fprintf (stream, _("\n\
+ -a, --debug-syms Display debugger-only symbols\n\
+ -A, --print-file-name Print name of the input file before every symbol\n\
+ -B Same as --format=bsd\n\
+ -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
+ The STYLE, if specified, can be `auto' (the default),\n\
+ `gnu', 'lucid', 'arm', 'hp', 'edg' or 'gnu-new-abi'\n\
+ --no-demangle Do not demangle low-level symbol names\n\
+ -D, --dynamic Display dynamic symbols instead of normal symbols\n\
+ --defined-only Display only defined symbols\n\
+ -e (ignored)\n\
+ -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
+ `sysv' or `posix'. The default is `bsd'\n\
+ -g, --extern-only Display only external symbols\n\
+ -h, --help Display this information\n\
+ -l, --line-numbers Use debugging information to find a filename and\n\
+ line number for each symbol\n\
+ -n, --numeric-sort Sort symbols numerically by address\n\
+ -o Same as -A\n\
+ -p, --no-sort Do not sort the symbols\n\
+ -P, --portability Same as --format=posix\n\
+ -r, --reverse-sort Reverse the sense of the sort\n\
+ -s, --print-armap Include index for symbols from archive members\n\
+ --size-sort Sort symbols by size\n\
+ -t, --radix=RADIX Use RADIX for printing symbol values\n\
+ --target=BFDNAME Specify the target object format as BFDNAME\n\
+ -u, --undefined-only Display only undefined symbols\n\
+ -V, --version Display this program's version number\n\
+ -X 32_64 (ignored)\n\
+\n"));
list_supported_targets (program_name, stream);
+ if (status == 0)
+ fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
exit (status);
}
/* Set the radix for the symbol value and size according to RADIX. */
-void
+static void
set_print_radix (radix)
char *radix;
{
other_format[3] = desc_format[3] = *radix;
break;
default:
- fprintf (stderr, "%s: %s: invalid radix\n", program_name, radix);
- exit (1);
+ fatal (_("%s: invalid radix"), radix);
}
}
-void
+static void
set_output_format (f)
char *f;
{
i = FORMAT_SYSV;
break;
default:
- fprintf (stderr, "%s: %s: invalid output format\n", program_name, f);
- exit (1);
+ fatal (_("%s: invalid output format"), f);
}
format = &formats[i];
}
int c;
int retval;
+#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+ setlocale (LC_MESSAGES, "");
+#endif
+ bindtextdomain (PACKAGE, LOCALEDIR);
+ textdomain (PACKAGE);
+
program_name = *argv;
xmalloc_set_program_name (program_name);
START_PROGRESS (program_name, 0);
bfd_init ();
+ set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "aABCDef:gnopPrst:uvV", long_options, (int *) 0)) != EOF)
+ while ((c = getopt_long (argc, argv, "aABCDef:glnopPrst:uvVX:",
+ long_options, (int *) 0)) != EOF)
{
switch (c)
{
break;
case 'C':
do_demangle = 1;
+ if (optarg != NULL)
+ {
+ enum demangling_styles style;
+
+ style = cplus_demangle_name_to_style (optarg);
+ if (style == unknown_demangling)
+ fatal (_("unknown demangling style `%s'"),
+ optarg);
+
+ cplus_demangle_set_style (style);
+ }
break;
case 'D':
dynamic = 1;
break;
case 'h':
usage (stdout, 0);
+ case 'l':
+ line_numbers = 1;
+ break;
case 'n':
case 'v':
sort_numerically = 1;
case 'V':
show_version = 1;
break;
+ case 'X':
+ /* Ignored for (partial) AIX compatibility. On AIX, the
+ argument has values 32, 64, or 32_64, and specfies that
+ only 32-bit, only 64-bit, or both kinds of objects should
+ be examined. The default is 32. So plain AIX nm on a
+ library archive with both kinds of objects will ignore
+ the 64-bit ones. For GNU nm, the default is and always
+ has been -X 32_64, and other options are not supported. */
+ if (strcmp (optarg, "32_64") != 0)
+ fatal (_("Only -X 32_64 is supported"));
+ break;
- case 200: /* --target */
+ case OPTION_TARGET: /* --target */
target = optarg;
break;
}
if (show_version)
- {
- printf ("GNU %s version %s\n", program_name, program_version);
- exit (0);
- }
+ print_version ("nm");
/* OK, all options now parsed. If no filename specified, do a.out. */
if (optind == argc)
#ifdef HAVE_SBRK
if (show_stats)
{
- extern char **environ;
char *lim = (char *) sbrk (0);
- fprintf (stderr, "%s: data size %ld\n", program_name,
- (long) (lim - (char *) &environ));
+ non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
}
#endif
}
if (last_arfile != NULL)
- bfd_close (last_arfile);
+ {
+ bfd_close (last_arfile);
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+ }
last_arfile = arfile;
}
if (last_arfile != NULL)
- bfd_close (last_arfile);
+ {
+ bfd_close (last_arfile);
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+ }
}
static boolean
if (bfd_close (file) == false)
bfd_fatal (filename);
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+
return retval;
}
\f
{
struct size_sym *symsizes;
bfd_byte *from, *fromend;
- asymbol *sym;
+ asymbol *sym = NULL;
asymbol *store_sym, *store_next;
qsort (minisyms, symcount, size, size_forward1);
if (next == NULL)
bfd_fatal (bfd_get_filename (abfd));
}
+ else
+ next = NULL;
sec = bfd_get_section (sym);
{
if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
{
- printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd));
+ non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
return;
}
}
if (symcount == 0)
{
- fprintf (stderr, "%s: no symbols\n", bfd_get_filename (abfd));
+ non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
return;
}
keep = bfd_is_und_section (sym->section);
else if (external_only)
keep = ((sym->flags & BSF_GLOBAL) != 0
+ || (sym->flags & BSF_WEAK) != 0
|| bfd_is_und_section (sym->section)
|| bfd_is_com_section (sym->section));
else
|| bfd_is_und_section (sym->section)))
keep = 0;
+ if (keep
+ && defined_only)
+ {
+ if (bfd_is_und_section (sym->section))
+ keep = 0;
+ }
+
if (keep)
{
memcpy (to, from, size);
static void
print_symname (format, name, abfd)
- char *format, *name;
+ const char *format;
+ const char *name;
bfd *abfd;
{
if (do_demangle && *name)
if (undefined_only)
{
if (bfd_is_und_section (bfd_get_section (sym)))
- print_symname ("%s\n", bfd_asymbol_name (sym), abfd);
+ print_symname ("%s", bfd_asymbol_name (sym), abfd);
}
else
{
bfd_get_symbol_info (abfd, sym, &syminfo);
(*format->print_symbol_info) (&syminfo, abfd);
- putchar ('\n');
}
+
+ if (line_numbers)
+ {
+ static asymbol **syms;
+ static long symcount;
+ const char *filename, *functionname;
+ unsigned int lineno;
+
+ /* We need to get the canonical symbols in order to call
+ bfd_find_nearest_line. This is inefficient, but, then, you
+ don't have to use --line-numbers. */
+ if (abfd != lineno_cache_bfd && syms != NULL)
+ {
+ free (syms);
+ syms = NULL;
+ }
+ if (syms == NULL)
+ {
+ long symsize;
+
+ symsize = bfd_get_symtab_upper_bound (abfd);
+ if (symsize < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+ syms = (asymbol **) xmalloc (symsize);
+ symcount = bfd_canonicalize_symtab (abfd, syms);
+ if (symcount < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+ lineno_cache_bfd = abfd;
+ }
+
+ if (bfd_is_und_section (bfd_get_section (sym)))
+ {
+ static asection **secs;
+ static arelent ***relocs;
+ static long *relcount;
+ static unsigned int seccount;
+ unsigned int i;
+ const char *symname;
+
+ /* For an undefined symbol, we try to find a reloc for the
+ symbol, and print the line number of the reloc. */
+
+ if (abfd != lineno_cache_rel_bfd && relocs != NULL)
+ {
+ for (i = 0; i < seccount; i++)
+ if (relocs[i] != NULL)
+ free (relocs[i]);
+ free (secs);
+ free (relocs);
+ free (relcount);
+ secs = NULL;
+ relocs = NULL;
+ relcount = NULL;
+ }
+
+ if (relocs == NULL)
+ {
+ struct get_relocs_info info;
+
+ seccount = bfd_count_sections (abfd);
+
+ secs = (asection **) xmalloc (seccount * sizeof *secs);
+ relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
+ relcount = (long *) xmalloc (seccount * sizeof *relcount);
+
+ info.secs = secs;
+ info.relocs = relocs;
+ info.relcount = relcount;
+ info.syms = syms;
+ bfd_map_over_sections (abfd, get_relocs, (PTR) &info);
+ lineno_cache_rel_bfd = abfd;
+ }
+
+ symname = bfd_asymbol_name (sym);
+ for (i = 0; i < seccount; i++)
+ {
+ long j;
+
+ for (j = 0; j < relcount[i]; j++)
+ {
+ arelent *r;
+
+ r = relocs[i][j];
+ if (r->sym_ptr_ptr != NULL
+ && (*r->sym_ptr_ptr)->section == sym->section
+ && (*r->sym_ptr_ptr)->value == sym->value
+ && strcmp (symname,
+ bfd_asymbol_name (*r->sym_ptr_ptr)) == 0
+ && bfd_find_nearest_line (abfd, secs[i], syms,
+ r->address, &filename,
+ &functionname, &lineno))
+ {
+ /* We only print the first one we find. */
+ printf ("\t%s:%u", filename, lineno);
+ i = seccount;
+ break;
+ }
+ }
+ }
+ }
+ else if (bfd_get_section (sym)->owner == abfd)
+ {
+ if (bfd_find_nearest_line (abfd, bfd_get_section (sym), syms,
+ sym->value, &filename, &functionname,
+ &lineno)
+ && filename != NULL
+ && lineno != 0)
+ {
+ printf ("\t%s:%u", filename, lineno);
+ }
+ }
+ }
+
+ putchar ('\n');
}
\f
/* The following 3 groups of functions are called unconditionally,
char *filename;
{
if (undefined_only)
- printf ("\n\nUndefined symbols from %s:\n\n", filename);
+ 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");
+ printf (_("\n\nSymbols from %s:\n\n"), filename);
+ printf (_("\
+Name Value Class Type Size Line Section\n\n"));
}
static void
static void
print_archive_filename_sysv (filename)
- char *filename;
+ char *filename ATTRIBUTE_UNUSED;
{
}
static void
print_archive_filename_posix (filename)
- char *filename;
+ char *filename ATTRIBUTE_UNUSED;
{
}
\f
static void
print_archive_member_bsd (archive, filename)
- char *archive;
+ char *archive ATTRIBUTE_UNUSED;
CONST char *filename;
{
if (!filename_per_symbol)
CONST char *filename;
{
if (undefined_only)
- printf ("\n\nUndefined symbols from %s[%s]:\n\n", archive, filename);
+ 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");
+ printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename);
+ printf (_("\
+Name Value Class Type Size Line Section\n\n"));
}
static void
symbol_info *info;
bfd *abfd;
{
- if (info->type == 'U')
+ if (bfd_is_undefined_symclass (info->type))
{
- printf ("%*s",
#ifdef BFD64
- 16,
-#else
- 8,
+ printf (" ");
#endif
- "");
+ printf (" ");
}
else
print_value (info->value);
bfd *abfd;
{
print_symname ("%-20s|", info->name, abfd); /* Name */
- if (info->type == 'U')
+ if (bfd_is_undefined_symclass (info->type))
printf (" "); /* Value */
else
print_value (info->value);
{
print_symname ("%s ", info->name, abfd);
printf ("%c ", info->type);
- if (info->type == 'U')
+ if (bfd_is_undefined_symclass (info->type))
printf (" ");
else
print_value (info->value);
bfd *elt;
if (!everprinted)
{
- printf ("\nArchive index:\n");
+ printf (_("\nArchive index:\n"));
everprinted = true;
}
elt = bfd_get_elt_at_index (abfd, idx);
}
}
}
+\f
+/* This function is used to get the relocs for a particular section.
+ It is called via bfd_map_over_sections. */
+
+static void
+get_relocs (abfd, sec, dataarg)
+ bfd *abfd;
+ asection *sec;
+ PTR dataarg;
+{
+ struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
+
+ *data->secs = sec;
+
+ if ((sec->flags & SEC_RELOC) == 0)
+ {
+ *data->relocs = NULL;
+ *data->relcount = 0;
+ }
+ else
+ {
+ long relsize;
+
+ relsize = bfd_get_reloc_upper_bound (abfd, sec);
+ if (relsize < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ *data->relocs = (arelent **) xmalloc (relsize);
+ *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs,
+ data->syms);
+ if (*data->relcount < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+ }
+
+ ++data->secs;
+ ++data->relocs;
+ ++data->relcount;
+}
projects / deliverable / binutils-gdb.git / blobdiff