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authorRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
committerRichard Henderson <rth@redhat.com>1999-05-03 07:29:11 +0000
commit252b5132c753830d5fd56823373aed85f2a0db63 (patch)
tree1af963bfd8d3e55167b81def4207f175eaff3a56 /binutils/nm.c
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19990502 sourceware importbinu_ss_19990502
Diffstat (limited to 'binutils/nm.c')
-rw-r--r--binutils/nm.c1558
1 files changed, 1558 insertions, 0 deletions
diff --git a/binutils/nm.c b/binutils/nm.c
new file mode 100644
index 0000000..c51b7fb
--- /dev/null
+++ b/binutils/nm.c
@@ -0,0 +1,1558 @@
+/* nm.c -- Describe symbol table of a rel file.
+ Copyright 1991, 92, 93, 94, 95, 96, 97, 98, 1999
+ 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., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#include "bfd.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 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_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. */
+
+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_value PARAMS ((bfd_vma));
+
+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));
+
+static void
+get_relocs PARAMS ((bfd *, asection *, PTR));
+
+/* 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 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. */
+#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
+static int print_radix = 16;
+/* Print formats for printing stab info. */
+static char other_format[] = "%02x";
+static char desc_format[] = "%04x";
+
+static char *target = NULL;
+
+/* Used to cache the line numbers for a BFD. */
+static bfd *lineno_cache_bfd;
+static bfd *lineno_cache_rel_bfd;
+
+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'},
+ {"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-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},
+ {"stats", no_argument, &show_stats, 1},
+ {"target", required_argument, 0, 200},
+ {"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}
+};
+
+/* Some error-reporting functions */
+
+static void
+usage (stream, status)
+ FILE *stream;
+ int status;
+{
+ fprintf (stream, _("\
+Usage: %s [-aABCDglnopPrsuvV] [-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\
+ [--defined-only] [--line-numbers]\n\
+ [--version] [--help]\n\
+ [file...]\n"),
+ program_name);
+ list_supported_targets (program_name, stream);
+ if (status == 0)
+ fprintf (stream, _("Report bugs to bug-gnu-utils@gnu.org\n"));
+ exit (status);
+}
+
+/* Set the radix for the symbol value and size according to RADIX. */
+
+static void
+set_print_radix (radix)
+ char *radix;
+{
+ switch (*radix)
+ {
+ case 'x':
+ break;
+ case 'd':
+ case 'o':
+ 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);
+ }
+}
+
+static 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;
+
+#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:glnopPrst: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 'e':
+ /* Ignored for HP/UX compatibility. */
+ break;
+ case 'f':
+ set_output_format (optarg);
+ break;
+ case 'g':
+ external_only = 1;
+ break;
+ case 'h':
+ usage (stdout, 0);
+ case 'l':
+ line_numbers = 1;
+ break;
+ 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)
+ print_version ("nm");
+
+ /* 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);
+
+#ifdef HAVE_SBRK
+ if (show_stats)
+ {
+ char *lim = (char *) sbrk (0);
+
+ fprintf (stderr, _("%s: data size %ld\n"), program_name,
+ (long) (lim - (char *) &environ));
+ }
+#endif
+
+ 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);
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+ }
+ last_arfile = arfile;
+ }
+
+ if (last_arfile != NULL)
+ {
+ bfd_close (last_arfile);
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+ }
+}
+
+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);
+
+ lineno_cache_bfd = NULL;
+ lineno_cache_rel_bfd = NULL;
+
+ return retval;
+}
+
+/* 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)
+
+/* 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, *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);
+}
+
+static int
+numeric_reverse (x, y)
+ const PTR x;
+ const PTR y;
+{
+ return - numeric_forward (x, y);
+}
+
+static int
+non_numeric_forward (P_x, P_y)
+ const PTR P_x;
+ const PTR P_y;
+{
+ 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)));
+}
+
+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_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;
+}
+
+/* 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 symcount;
+ PTR minisyms;
+ unsigned int size;
+ struct size_sym *symsizes;
+
+ if (! dynamic)
+ {
+ if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
+ {
+ fprintf (stderr, _("%s: no symbols\n"), bfd_get_filename (abfd));
+ return;
+ }
+ }
+
+ symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
+ if (symcount < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ if (symcount == 0)
+ {
+ fprintf (stderr, _("%s: no symbols\n"), bfd_get_filename (abfd));
+ return;
+ }
+
+ /* 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, dynamic, minisyms, symcount, size);
+
+ 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);
+ }
+
+ 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);
+}
+
+/* Choose which symbol entries to print;
+ compact them downward to get rid of the rest.
+ Return the number of symbols to be printed. */
+
+static long
+filter_symbols (abfd, dynamic, minisyms, symcount, size)
+ bfd *abfd;
+ boolean dynamic;
+ PTR minisyms;
+ long symcount;
+ unsigned int size;
+{
+ 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 < fromend; from += size)
+ {
+ int keep = 0;
+ asymbol *sym;
+
+ PROGRESS (1);
+
+ sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const PTR) from, store);
+ if (sym == NULL)
+ bfd_fatal (bfd_get_filename (abfd));
+
+ if (undefined_only)
+ 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
+ keep = 1;
+
+ 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)
+ {
+ memcpy (to, from, size);
+ to += size;
+ }
+ }
+
+ return (to - (bfd_byte *) minisyms) / size;
+}
+
+/* Print symbol name NAME, read from ABFD, with printf format FORMAT,
+ demangling it if requested. */
+
+static void
+print_symname (format, name, abfd)
+ const char *format;
+ const char *name;
+ bfd *abfd;
+{
+ if (do_demangle && *name)
+ {
+ 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);
+}
+
+/* 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_symbol (abfd, sym, archive_bfd)
+ bfd *abfd;
+ asymbol *sym;
+ bfd *archive_bfd;
+{
+ PROGRESS (1);
+
+ (*format->print_symbol_filename) (archive_bfd, abfd);
+
+ if (undefined_only)
+ {
+ if (bfd_is_und_section (bfd_get_section (sym)))
+ print_symname ("%s", bfd_asymbol_name (sym), abfd);
+ }
+ else
+ {
+ symbol_info syminfo;
+
+ 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)
+ {
+ 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');
+}
+
+/* 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 symbol value. */
+
+static void
+print_value (val)
+ 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)
+ fprintf_vma (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
+print_symbol_info_bsd (info, abfd)
+ symbol_info *info;
+ bfd *abfd;
+{
+ if (info->type == 'U')
+ {
+ printf ("%*s",
+#ifdef BFD64
+ 16,
+#else
+ 8,
+#endif
+ "");
+ }
+ else
+ print_value (info->value);
+ 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
+ print_value (info->value);
+ 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
+ print_value (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. */
+}
+
+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 (elt == NULL)
+ bfd_fatal ("bfd_get_elt_at_index");
+ if (thesym->name != (char *) NULL)
+ {
+ print_symname ("%s", thesym->name, abfd);
+ printf (" in %s\n", bfd_get_filename (elt));
+ }
+ }
+}
+
+/* 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;
+}