/* 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., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, 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"
+
+/* When sorting by size, we use this structure to hold the size and a
+ pointer to the minisymbol. */
+
+struct size_sym
+{
+ const PTR minisym;
+ 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
display_rel_file PARAMS ((bfd * file, bfd * archive));
-static unsigned int
-filter_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount));
+static long
+filter_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int));
+
+static long
+sort_symbols_by_size PARAMS ((bfd *, boolean, PTR, long, unsigned int,
+ struct size_sym **));
+
+static void
+print_symbols PARAMS ((bfd *, boolean, PTR, long, unsigned int, bfd *));
+
+static void
+print_size_symbols PARAMS ((bfd *, boolean, struct size_sym *, long, bfd *));
static void
-print_symbols PARAMS ((bfd * file, asymbol ** syms, unsigned long symcount,
- bfd * archive));
+print_symname PARAMS ((const char *, const char *, bfd *));
+
+static void
+print_symbol PARAMS ((bfd *, asymbol *, bfd *));
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_forward1 PARAMS ((const PTR, const PTR));
+
+static int
+size_forward2 PARAMS ((const PTR, const PTR));
/* The output formatting functions. */
print_symbol_filename_posix PARAMS ((bfd * archive_bfd, bfd * abfd));
+static void
+print_value PARAMS ((bfd *, bfd_vma));
+
static void
print_symbol_info_bsd PARAMS ((symbol_info * info, bfd * abfd));
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 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 */
+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 int filename_per_symbol = 0; /* Once per symbol, at start of line. */
/* Print formats for printing a symbol value. */
-#ifdef HOST_64_BIT
-static char value_format[] = "%08x%08x";
-#else
+#ifndef BFD64
static char value_format[] = "%08lx";
+#else
+#if BFD_HOST_64BIT_LONG
+static char value_format[] = "%016lx";
+#else
+/* We don't use value_format for this case. */
+#endif
+#endif
+#ifdef BFD64
+static int print_width = 16;
+#else
+static int print_width = 8;
#endif
+static int print_radix = 16;
/* 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 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},
{"numeric-sort", no_argument, &sort_numerically, 1},
{"portability", no_argument, 0, 'P'},
{"print-file-name", no_argument, 0, 'o'},
{"radix", required_argument, 0, 't'},
{"reverse-sort", no_argument, &reverse_sort, 1},
- {"target", required_argument, 0, 200},
+ {"size-sort", no_argument, &sort_by_size, 1},
+ {"stats", no_argument, &show_stats, 1},
+ {"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 [-aABCgnopPrsuvV] [-t radix] [--radix=radix] [--target=bfdname]\n\
- [--debug-syms] [--extern-only] [--print-armap] [--print-file-name]\n\
- [--numeric-sort] [--no-sort] [--reverse-sort] [--undefined-only]\n\
- [--portability] [-f {bsd,sysv,posix}] [--format={bsd,sysv,posix}]\n\
- [--demangle] [--version] [--help] [file...]\n",
- program_name);
+ fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
+ fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
+ fprintf (stream, _(" The options are:\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\
+ -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\
+ -X 32_64 (ignored)\n\
+ -h, --help Display this information\n\
+ -V, --version Display this program's version number\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;
{
switch (*radix)
{
+ case 'x':
+ break;
case 'd':
case 'o':
- case 'x':
-#ifdef HOST_64_BIT
- value_format[3] = value_format[7] = *radix;
-#else
+ if (*radix == 'd')
+ print_radix = 10;
+ else
+ print_radix = 8;
+#ifndef BFD64
value_format[4] = *radix;
+#else
+#if BFD_HOST_64BIT_LONG
+ value_format[5] = *radix;
+#else
+ /* This case requires special handling for octal and decimal
+ printing. */
+#endif
#endif
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];
}
\f
+int main PARAMS ((int, char **));
+
int
main (argc, argv)
int argc;
int c;
int retval;
+#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 = *argv;
xmalloc_set_program_name (program_name);
+ START_PROGRESS (program_name, 0);
+
bfd_init ();
+ set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "aABCf:gnopPrst:uvV", long_options, (int *) 0)) != EOF)
+ while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrst:uvVvX:",
+ 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 'e':
+ /* Ignored for HP/UX compatibility. */
break;
case 'f':
set_output_format (optarg);
case 'g':
external_only = 1;
break;
+ case 'H':
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)
/* We were given several filenames to do. */
while (optind < argc)
{
+ PROGRESS (1);
if (!display_file (argv[optind++]))
retval++;
}
+ END_PROGRESS (program_name);
+
+#ifdef HAVE_SBRK
+ if (show_stats)
+ {
+ char *lim = (char *) sbrk (0);
+
+ non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
+ }
+#endif
+
exit (retval);
return retval;
}
for (;;)
{
+ PROGRESS (1);
+
arfile = bfd_openr_next_archived_file (file, arfile);
if (arfile == NULL)
}
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
+/* These globals are used to pass information into the sorting
+ routines. */
+static bfd *sort_bfd;
+static boolean sort_dynamic;
+static asymbol *sort_x;
+static asymbol *sort_y;
+
/* Symbol-sorting predicates */
#define valueof(x) ((x)->section->vma + (x)->value)
-int
-numeric_forward (x, y)
- CONST void *x;
- CONST void *y;
+
+/* 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;
{
- return (valueof (*(asymbol **) x) - valueof (*(asymbol **) y));
+ asymbol *x, *y;
+ asection *xs, *ys;
+
+ x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
+ y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
+ if (x == NULL || y == NULL)
+ bfd_fatal (bfd_get_filename (sort_bfd));
+
+ xs = bfd_get_section (x);
+ ys = bfd_get_section (y);
+
+ if (bfd_is_und_section (xs))
+ {
+ if (! bfd_is_und_section (ys))
+ return -1;
+ }
+ else if (bfd_is_und_section (ys))
+ return 1;
+ else if (valueof (x) != valueof (y))
+ return valueof (x) < valueof (y) ? -1 : 1;
+
+ return non_numeric_forward (P_x, P_y);
}
-int
+static int
numeric_reverse (x, y)
- CONST void *x;
- CONST void *y;
+ const PTR x;
+ const PTR y;
{
- return (valueof (*(asymbol **) y) - valueof (*(asymbol **) x));
+ return - numeric_forward (x, y);
}
-int
-non_numeric_forward (x, y)
- CONST void *x;
- CONST void *y;
+static int
+non_numeric_forward (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
{
- CONST char *xn = (*(asymbol **) x)->name;
- CONST char *yn = (*(asymbol **) y)->name;
+ asymbol *x, *y;
+ const char *xn, *yn;
+
+ x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
+ y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
+ if (x == NULL || y == NULL)
+ bfd_fatal (bfd_get_filename (sort_bfd));
+
+ xn = bfd_asymbol_name (x);
+ yn = bfd_asymbol_name (y);
return ((xn == NULL) ? ((yn == NULL) ? 0 : -1) :
((yn == NULL) ? 1 : strcmp (xn, yn)));
}
-int
+static int
non_numeric_reverse (x, y)
- CONST void *x;
- CONST void *y;
+ const PTR x;
+ const PTR y;
{
- return -(non_numeric_forward (x, y));
+ return - non_numeric_forward (x, y);
}
-static int (*(sorters[2][2])) PARAMS ((CONST void *, CONST void *)) =
+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_forward1 (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
+{
+ asymbol *x, *y;
+ asection *xs, *ys;
+ const char *xn, *yn;
+ size_t xnl, ynl;
+ int xf, yf;
+
+ x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
+ y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
+ if (x == NULL || y == NULL)
+ bfd_fatal (bfd_get_filename (sort_bfd));
+
+ xs = bfd_get_section (x);
+ ys = bfd_get_section (y);
+
+ 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);
+}
+
+/* This sort routine is used by sort_symbols_by_size. It is sorting
+ an array of size_sym structures into size order. */
+
+static int
+size_forward2 (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
+{
+ const struct size_sym *x = (const struct size_sym *) P_x;
+ const struct size_sym *y = (const struct size_sym *) P_y;
+
+ if (x->size < y->size)
+ return reverse_sort ? 1 : -1;
+ else if (x->size > y->size)
+ return reverse_sort ? -1 : 1;
+ else
+ return sorters[0][reverse_sort] (x->minisym, y->minisym);
+}
+
+/* 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 long
+sort_symbols_by_size (abfd, dynamic, minisyms, symcount, size, symsizesp)
+ bfd *abfd;
+ boolean dynamic;
+ PTR minisyms;
+ long symcount;
+ unsigned int size;
+ struct size_sym **symsizesp;
+{
+ struct size_sym *symsizes;
+ bfd_byte *from, *fromend;
+ asymbol *sym = NULL;
+ asymbol *store_sym, *store_next;
+
+ qsort (minisyms, symcount, size, size_forward1);
+
+ /* We are going to return a special set of symbols and sizes to
+ print. */
+ symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
+ *symsizesp = symsizes;
+
+ /* Note that filter_symbols has already removed all absolute and
+ undefined symbols. Here we remove all symbols whose size winds
+ up as zero. */
+
+ from = (bfd_byte *) minisyms;
+ fromend = from + symcount * size;
+
+ store_sym = sort_x;
+ store_next = sort_y;
+
+ if (from < fromend)
+ {
+ sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from,
+ store_sym);
+ if (sym == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+ }
+
+ for (; from < fromend; from += size)
+ {
+ asymbol *next;
+ asection *sec;
+ bfd_vma sz;
+ asymbol *temp;
+
+ if (from + size < fromend)
+ {
+ next = bfd_minisymbol_to_symbol (abfd,
+ dynamic,
+ (const PTR) (from + size),
+ store_next);
+ if (next == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+ }
+ else
+ next = NULL;
+
+ sec = bfd_get_section (sym);
+
+ if (bfd_is_com_section (sec))
+ sz = sym->value;
+ else
+ {
+ if (from + size < fromend
+ && sec == bfd_get_section (next))
+ sz = valueof (next) - valueof (sym);
+ else
+ sz = (bfd_get_section_vma (abfd, sec)
+ + bfd_section_size (abfd, sec)
+ - valueof (sym));
+ }
+
+ if (sz != 0)
+ {
+ symsizes->minisym = (const PTR) from;
+ symsizes->size = sz;
+ ++symsizes;
+ }
+
+ sym = next;
+
+ temp = store_sym;
+ store_sym = store_next;
+ store_next = temp;
+ }
+
+ symcount = symsizes - *symsizesp;
+
+ /* We must now sort again by size. */
+ qsort ((PTR) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
+
+ return symcount;
+}
\f
/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
bfd *abfd;
bfd *archive_bfd;
{
- long storage;
- asymbol **syms;
- long symcount = 0;
+ long symcount;
+ PTR minisyms;
+ unsigned int size;
+ struct size_sym *symsizes;
+ char buf[30];
- if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
+ if (! dynamic)
{
- printf ("No symbols in \"%s\".\n", bfd_get_filename (abfd));
- return;
- }
-
- storage = bfd_get_symtab_upper_bound (abfd);
- if (storage < 0)
- bfd_fatal (bfd_get_filename (abfd));
- if (storage == 0)
- {
- nosymz:
- fprintf (stderr, "%s: Symflags set but there are none?\n",
- bfd_get_filename (abfd));
- return;
+ if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
+ {
+ non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
+ return;
+ }
}
- syms = (asymbol **) xmalloc (storage);
-
- symcount = bfd_canonicalize_symtab (abfd, syms);
+ symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
if (symcount < 0)
bfd_fatal (bfd_get_filename (abfd));
+
if (symcount == 0)
{
- free (syms);
- goto nosymz;
+ non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
+ return;
}
+ bfd_sprintf_vma (abfd, buf, (bfd_vma) -1);
+ print_width = strlen (buf);
+
/* 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);
+ symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
- if (!no_sort)
- qsort ((char *) syms, symcount, sizeof (asymbol *),
- sorters[sort_numerically][reverse_sort]);
+ symsizes = NULL;
+ if (! no_sort)
+ {
+ sort_bfd = abfd;
+ sort_dynamic = dynamic;
+ sort_x = bfd_make_empty_symbol (abfd);
+ sort_y = bfd_make_empty_symbol (abfd);
+ if (sort_x == NULL || sort_y == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ if (! sort_by_size)
+ qsort (minisyms, symcount, size,
+ sorters[sort_numerically][reverse_sort]);
+ else
+ symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount,
+ size, &symsizes);
+ }
- print_symbols (abfd, syms, symcount, archive_bfd);
- free (syms);
+ if (! sort_by_size)
+ print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
+ else
+ print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
+
+ free (minisyms);
}
\f
/* 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;
+static long
+filter_symbols (abfd, dynamic, minisyms, symcount, size)
+ bfd *abfd;
+ boolean dynamic;
+ PTR minisyms;
+ long symcount;
+ unsigned int size;
{
- asymbol **from, **to;
- unsigned int src_count;
- unsigned int dst_count = 0;
- asymbol *sym;
+ bfd_byte *from, *fromend, *to;
+ asymbol *store;
+
+ store = bfd_make_empty_symbol (abfd);
+ if (store == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ from = (bfd_byte *) minisyms;
+ fromend = from + symcount * size;
+ to = (bfd_byte *) minisyms;
- for (from = to = syms, src_count = 0; src_count < symcount; src_count++)
+ for (; from < fromend; from += size)
{
int keep = 0;
- flagword flags = (from[src_count])->flags;
+ asymbol *sym;
+
+ PROGRESS (1);
+
+ sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from, store);
+ if (sym == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
- sym = from[src_count];
if (undefined_only)
- keep = sym->section == &bfd_und_section;
+ keep = bfd_is_und_section (sym->section);
else if (external_only)
- keep = ((flags & BSF_GLOBAL)
- || (sym->section == &bfd_und_section)
- || (bfd_is_com_section (sym->section)));
+ keep = ((sym->flags & BSF_GLOBAL) != 0
+ || (sym->flags & BSF_WEAK) != 0
+ || bfd_is_und_section (sym->section)
+ || bfd_is_com_section (sym->section));
else
keep = 1;
- if (!print_debug_syms && ((flags & BSF_DEBUGGING) != 0))
+ if (keep
+ && ! print_debug_syms
+ && (sym->flags & BSF_DEBUGGING) != 0)
+ keep = 0;
+
+ if (keep
+ && sort_by_size
+ && (bfd_is_abs_section (sym->section)
+ || bfd_is_und_section (sym->section)))
keep = 0;
+ if (keep
+ && defined_only)
+ {
+ if (bfd_is_und_section (sym->section))
+ keep = 0;
+ }
+
if (keep)
- to[dst_count++] = from[src_count];
+ {
+ memcpy (to, from, size);
+ to += size;
+ }
}
- return dst_count;
+ return (to - (bfd_byte *) minisyms) / size;
}
\f
/* Print symbol name NAME, read from ABFD, with printf format FORMAT,
static void
print_symname (format, name, abfd)
- char *format, *name;
+ const char *format;
+ const char *name;
bfd *abfd;
{
- if (do_demangle)
+ if (do_demangle && *name)
{
char *res;
printf (format, name);
}
-/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
+/* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive
+ containing ABFD. */
+
+static void
+print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd)
+ bfd *abfd;
+ boolean dynamic;
+ PTR minisyms;
+ long symcount;
+ unsigned int size;
+ bfd *archive_bfd;
+{
+ asymbol *store;
+ bfd_byte *from, *fromend;
+
+ store = bfd_make_empty_symbol (abfd);
+ if (store == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ from = (bfd_byte *) minisyms;
+ fromend = from + symcount * size;
+ for (; from < fromend; from += size)
+ {
+ asymbol *sym;
+
+ sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store);
+ if (sym == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ print_symbol (abfd, sym, archive_bfd);
+ }
+}
+
+/* Print the symbols when sorting by size. */
+
+static void
+print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd)
+ bfd *abfd;
+ boolean dynamic;
+ struct size_sym *symsizes;
+ long symcount;
+ bfd *archive_bfd;
+{
+ asymbol *store;
+ struct size_sym *from, *fromend;
+
+ store = bfd_make_empty_symbol (abfd);
+ if (store == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ from = symsizes;
+ fromend = from + symcount;
+ for (; from < fromend; from++)
+ {
+ asymbol *sym;
+
+ sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store);
+ if (sym == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ /* Set the symbol value so that we actually display the symbol
+ size. */
+ sym->value = from->size - bfd_section_vma (abfd, bfd_get_section (sym));
+
+ print_symbol (abfd, sym, archive_bfd);
+ }
+}
+
+/* Print a single symbol. */
static void
-print_symbols (abfd, syms, symcount, archive_bfd)
+print_symbol (abfd, sym, archive_bfd)
bfd *abfd;
- asymbol **syms;
- unsigned long symcount;
+ asymbol *sym;
bfd *archive_bfd;
{
- asymbol **sym = syms, **end = syms + symcount;
- symbol_info syminfo;
+ PROGRESS (1);
- for (; sym < end; ++sym)
+ (*format->print_symbol_filename) (archive_bfd, abfd);
+
+ if (undefined_only)
{
- (*format->print_symbol_filename) (archive_bfd, abfd);
+ if (bfd_is_und_section (bfd_get_section (sym)))
+ print_symname ("%s", bfd_asymbol_name (sym), abfd);
+ }
+ else
+ {
+ symbol_info syminfo;
- if (undefined_only)
+ bfd_get_symbol_info (abfd, sym, &syminfo);
+ (*format->print_symbol_info) (&syminfo, abfd);
+ }
+
+ 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)
{
- if ((*sym)->section == &bfd_und_section)
+ 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)
{
- print_symname ("%s\n", (*sym)->name, abfd);
+ 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
+ else if (bfd_get_section (sym)->owner == abfd)
{
- asymbol *p = *sym;
- if (p)
+ if (bfd_find_nearest_line (abfd, bfd_get_section (sym), syms,
+ sym->value, &filename, &functionname,
+ &lineno)
+ && filename != NULL
+ && lineno != 0)
{
- bfd_get_symbol_info (abfd, p, &syminfo);
- (*format->print_symbol_info) (&syminfo, abfd);
- putchar ('\n');
+ 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
}
}
\f
+/* Print a symbol value. */
+
+static void
+print_value (abfd, val)
+ bfd *abfd ATTRIBUTE_UNUSED;
+ bfd_vma val;
+{
+#if ! defined (BFD64) || BFD_HOST_64BIT_LONG
+ printf (value_format, val);
+#else
+ /* We have a 64 bit value to print, but the host is only 32 bit. */
+ if (print_radix == 16)
+ bfd_fprintf_vma (abfd, stdout, val);
+ else
+ {
+ char buf[30];
+ char *s;
+
+ s = buf + sizeof buf;
+ *--s = '\0';
+ while (val > 0)
+ {
+ *--s = (val % print_radix) + '0';
+ val /= print_radix;
+ }
+ while ((buf + sizeof buf - 1) - s < 16)
+ *--s = '0';
+ printf ("%s", s);
+ }
+#endif
+}
+
/* Print a line of information about a symbol. */
static void
symbol_info *info;
bfd *abfd;
{
- if (info->type == 'U')
- printf (" ");
- else
+ if (bfd_is_undefined_symclass (info->type))
{
-#ifdef HOST_64_BIT
- printf (value_format, uint64_typeHIGH (info->value),
- uint64_typeLOW (info->value));
-#else
- printf (value_format, info->value);
-#endif
+ if (print_width == 16)
+ printf (" ");
+ printf (" ");
}
+ else
+ print_value (abfd, info->value);
printf (" %c", info->type);
if (info->type == '-')
{
bfd *abfd;
{
print_symname ("%-20s|", info->name, abfd); /* Name */
- if (info->type == 'U')
+ if (bfd_is_undefined_symclass (info->type))
printf (" "); /* Value */
else
- {
-#ifdef HOST_64_BIT
- printf (value_format, uint64_typeHIGH (info->value),
- uint64_typeLOW (info->value));
-#else
- printf (value_format, info->value);
-#endif
- }
+ print_value (abfd, info->value);
printf ("| %c |", info->type); /* Class */
if (info->type == '-')
{
{
print_symname ("%s ", info->name, abfd);
printf ("%c ", info->type);
- if (info->type == 'U')
+ if (bfd_is_undefined_symclass (info->type))
printf (" ");
else
- {
-#ifdef HOST_64_BIT
- printf (value_format, uint64_typeHIGH (info->value),
- uint64_typeLOW (info->value));
-#else
- printf (value_format, info->value);
-#endif
- }
+ print_value (abfd, info->value);
/* 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. */
bfd *elt;
if (!everprinted)
{
- printf ("\nArchive index:\n");
+ printf (_("\nArchive index:\n"));
everprinted = true;
}
elt = bfd_get_elt_at_index (abfd, idx);
+ if (elt == NULL)
+ bfd_fatal ("bfd_get_elt_at_index");
if (thesym->name != (char *) NULL)
{
- printf ("%s in %s\n", thesym->name, bfd_get_filename (elt));
+ print_symname ("%s", thesym->name, abfd);
+ printf (" in %s\n", bfd_get_filename (elt));
}
}
}
+\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