1 /* nm.c -- Describe symbol table of a rel file.
2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
4 Free Software Foundation, Inc.
6 This file is part of GNU Binutils.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
28 #include "aout/stab_gnu.h"
29 #include "aout/ranlib.h"
31 #include "libiberty.h"
33 #include "elf/common.h"
35 /* When sorting by size, we use this structure to hold the size and a
36 pointer to the minisymbol. */
44 /* When fetching relocs, we use this structure to pass information to
47 struct get_relocs_info
55 struct extended_symbol_info
59 elf_symbol_type *elfinfo;
60 /* FIXME: We should add more fields for Type, Line, Section. */
62 #define SYM_NAME(sym) (sym->sinfo->name)
63 #define SYM_VALUE(sym) (sym->sinfo->value)
64 #define SYM_TYPE(sym) (sym->sinfo->type)
65 #define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
66 #define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
67 #define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
68 #define SYM_SIZE(sym) \
69 (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
71 static void usage (FILE *, int);
72 static void set_print_radix (char *);
73 static void set_output_format (char *);
74 static void display_archive (bfd *);
75 static bfd_boolean display_file (char *);
76 static void display_rel_file (bfd *, bfd *);
77 static long filter_symbols (bfd *, bfd_boolean, void *, long, unsigned int);
78 static long sort_symbols_by_size
79 (bfd *, bfd_boolean, void *, long, unsigned int, struct size_sym **);
80 static void print_symbols
81 (bfd *, bfd_boolean, void *, long, unsigned int, bfd *);
82 static void print_size_symbols
83 (bfd *, bfd_boolean, struct size_sym *, long, bfd *);
84 static void print_symname (const char *, const char *, bfd *);
85 static void print_symbol (bfd *, asymbol *, bfd_vma ssize, bfd *);
86 static void print_symdef_entry (bfd *);
88 /* The sorting functions. */
89 static int numeric_forward (const void *, const void *);
90 static int numeric_reverse (const void *, const void *);
91 static int non_numeric_forward (const void *, const void *);
92 static int non_numeric_reverse (const void *, const void *);
93 static int size_forward1 (const void *, const void *);
94 static int size_forward2 (const void *, const void *);
96 /* The output formatting functions. */
97 static void print_object_filename_bsd (char *);
98 static void print_object_filename_sysv (char *);
99 static void print_object_filename_posix (char *);
100 static void print_archive_filename_bsd (char *);
101 static void print_archive_filename_sysv (char *);
102 static void print_archive_filename_posix (char *);
103 static void print_archive_member_bsd (char *, const char *);
104 static void print_archive_member_sysv (char *, const char *);
105 static void print_archive_member_posix (char *, const char *);
106 static void print_symbol_filename_bsd (bfd *, bfd *);
107 static void print_symbol_filename_sysv (bfd *, bfd *);
108 static void print_symbol_filename_posix (bfd *, bfd *);
109 static void print_value (bfd *, bfd_vma);
110 static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
111 static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
112 static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
113 static void get_relocs (bfd *, asection *, void *);
114 static const char * get_symbol_type (unsigned int);
116 /* Support for different output formats. */
119 /* Print the name of an object file given on the command line. */
120 void (*print_object_filename) (char *);
122 /* Print the name of an archive file given on the command line. */
123 void (*print_archive_filename) (char *);
125 /* Print the name of an archive member file. */
126 void (*print_archive_member) (char *, const char *);
128 /* Print the name of the file (and archive, if there is one)
129 containing a symbol. */
130 void (*print_symbol_filename) (bfd *, bfd *);
132 /* Print a line of information about a symbol. */
133 void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
136 static struct output_fns formats[] =
138 {print_object_filename_bsd,
139 print_archive_filename_bsd,
140 print_archive_member_bsd,
141 print_symbol_filename_bsd,
142 print_symbol_info_bsd},
143 {print_object_filename_sysv,
144 print_archive_filename_sysv,
145 print_archive_member_sysv,
146 print_symbol_filename_sysv,
147 print_symbol_info_sysv},
148 {print_object_filename_posix,
149 print_archive_filename_posix,
150 print_archive_member_posix,
151 print_symbol_filename_posix,
152 print_symbol_info_posix}
155 /* Indices in `formats'. */
157 #define FORMAT_SYSV 1
158 #define FORMAT_POSIX 2
159 #define FORMAT_DEFAULT FORMAT_BSD
161 /* The output format to use. */
162 static struct output_fns *format = &formats[FORMAT_DEFAULT];
164 /* Command options. */
166 static int do_demangle = 0; /* Pretty print C++ symbol names. */
167 static int external_only = 0; /* Print external symbols only. */
168 static int defined_only = 0; /* Print defined symbols only. */
169 static int no_sort = 0; /* Don't sort; print syms in order found. */
170 static int print_debug_syms = 0;/* Print debugger-only symbols too. */
171 static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
172 static int print_size = 0; /* Print size of defined symbols. */
173 static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
174 static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
175 static int sort_by_size = 0; /* Sort by size of symbol. */
176 static int undefined_only = 0; /* Print undefined symbols only. */
177 static int dynamic = 0; /* Print dynamic symbols. */
178 static int show_version = 0; /* Show the version number. */
179 static int show_stats = 0; /* Show statistics. */
180 static int line_numbers = 0; /* Print line numbers for symbols. */
182 /* When to print the names of files. Not mutually exclusive in SYSV format. */
183 static int filename_per_file = 0; /* Once per file, on its own line. */
184 static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
186 /* Print formats for printing a symbol value. */
188 static char value_format[] = "%08lx";
190 #if BFD_HOST_64BIT_LONG
191 static char value_format[] = "%016lx";
193 /* We don't use value_format for this case. */
197 static int print_width = 16;
199 static int print_width = 8;
201 static int print_radix = 16;
202 /* Print formats for printing stab info. */
203 static char other_format[] = "%02x";
204 static char desc_format[] = "%04x";
206 static char *target = NULL;
208 /* Used to cache the line numbers for a BFD. */
209 static bfd *lineno_cache_bfd;
210 static bfd *lineno_cache_rel_bfd;
212 #define OPTION_TARGET 200
214 static struct option long_options[] =
216 {"debug-syms", no_argument, &print_debug_syms, 1},
217 {"demangle", optional_argument, 0, 'C'},
218 {"dynamic", no_argument, &dynamic, 1},
219 {"extern-only", no_argument, &external_only, 1},
220 {"format", required_argument, 0, 'f'},
221 {"help", no_argument, 0, 'h'},
222 {"line-numbers", no_argument, 0, 'l'},
223 {"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
224 {"no-demangle", no_argument, &do_demangle, 0},
225 {"no-sort", no_argument, &no_sort, 1},
226 {"numeric-sort", no_argument, &sort_numerically, 1},
227 {"portability", no_argument, 0, 'P'},
228 {"print-armap", no_argument, &print_armap, 1},
229 {"print-file-name", no_argument, 0, 'o'},
230 {"print-size", no_argument, 0, 'S'},
231 {"radix", required_argument, 0, 't'},
232 {"reverse-sort", no_argument, &reverse_sort, 1},
233 {"size-sort", no_argument, &sort_by_size, 1},
234 {"stats", no_argument, &show_stats, 1},
235 {"target", required_argument, 0, OPTION_TARGET},
236 {"defined-only", no_argument, &defined_only, 1},
237 {"undefined-only", no_argument, &undefined_only, 1},
238 {"version", no_argument, &show_version, 1},
239 {0, no_argument, 0, 0}
242 /* Some error-reporting functions. */
245 usage (FILE *stream, int status)
247 fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
248 fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
249 fprintf (stream, _(" The options are:\n\
250 -a, --debug-syms Display debugger-only symbols\n\
251 -A, --print-file-name Print name of the input file before every symbol\n\
252 -B Same as --format=bsd\n\
253 -C, --demangle[=STYLE] Decode low-level symbol names into user-level names\n\
254 The STYLE, if specified, can be `auto' (the default),\n\
255 `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\
257 --no-demangle Do not demangle low-level symbol names\n\
258 -D, --dynamic Display dynamic symbols instead of normal symbols\n\
259 --defined-only Display only defined symbols\n\
261 -f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
262 `sysv' or `posix'. The default is `bsd'\n\
263 -g, --extern-only Display only external symbols\n\
264 -l, --line-numbers Use debugging information to find a filename and\n\
265 line number for each symbol\n\
266 -n, --numeric-sort Sort symbols numerically by address\n\
268 -p, --no-sort Do not sort the symbols\n\
269 -P, --portability Same as --format=posix\n\
270 -r, --reverse-sort Reverse the sense of the sort\n\
271 -S, --print-size Print size of defined symbols\n\
272 -s, --print-armap Include index for symbols from archive members\n\
273 --size-sort Sort symbols by size\n\
274 -t, --radix=RADIX Use RADIX for printing symbol values\n\
275 --target=BFDNAME Specify the target object format as BFDNAME\n\
276 -u, --undefined-only Display only undefined symbols\n\
277 -X 32_64 (ignored)\n\
278 -h, --help Display this information\n\
279 -V, --version Display this program's version number\n\
281 list_supported_targets (program_name, stream);
283 fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
287 /* Set the radix for the symbol value and size according to RADIX. */
290 set_print_radix (char *radix)
303 value_format[4] = *radix;
305 #if BFD_HOST_64BIT_LONG
306 value_format[5] = *radix;
308 /* This case requires special handling for octal and decimal
312 other_format[3] = desc_format[3] = *radix;
315 fatal (_("%s: invalid radix"), radix);
320 set_output_format (char *f)
339 fatal (_("%s: invalid output format"), f);
341 format = &formats[i];
344 int main (int, char **);
347 main (int argc, char **argv)
352 #if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
353 setlocale (LC_MESSAGES, "");
355 #if defined (HAVE_SETLOCALE)
356 setlocale (LC_CTYPE, "");
357 setlocale (LC_COLLATE, "");
359 bindtextdomain (PACKAGE, LOCALEDIR);
360 textdomain (PACKAGE);
362 program_name = *argv;
363 xmalloc_set_program_name (program_name);
365 START_PROGRESS (program_name, 0);
368 set_default_bfd_target ();
370 while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:",
371 long_options, (int *) 0)) != EOF)
376 print_debug_syms = 1;
380 filename_per_symbol = 1;
382 case 'B': /* For MIPS compatibility. */
383 set_output_format ("bsd");
389 enum demangling_styles style;
391 style = cplus_demangle_name_to_style (optarg);
392 if (style == unknown_demangling)
393 fatal (_("unknown demangling style `%s'"),
396 cplus_demangle_set_style (style);
403 /* Ignored for HP/UX compatibility. */
406 set_output_format (optarg);
419 sort_numerically = 1;
425 set_output_format ("posix");
437 set_print_radix (optarg);
446 /* Ignored for (partial) AIX compatibility. On AIX, the
447 argument has values 32, 64, or 32_64, and specifies that
448 only 32-bit, only 64-bit, or both kinds of objects should
449 be examined. The default is 32. So plain AIX nm on a
450 library archive with both kinds of objects will ignore
451 the 64-bit ones. For GNU nm, the default is and always
452 has been -X 32_64, and other options are not supported. */
453 if (strcmp (optarg, "32_64") != 0)
454 fatal (_("Only -X 32_64 is supported"));
457 case OPTION_TARGET: /* --target */
461 case 0: /* A long option that just sets a flag. */
470 print_version ("nm");
472 if (sort_by_size && undefined_only)
474 non_fatal (_("Using the --size-sort and --undefined-only options together"));
475 non_fatal (_("will produce no output, since undefined symbols have no size."));
479 /* OK, all options now parsed. If no filename specified, do a.out. */
481 return !display_file ("a.out");
485 if (argc - optind > 1)
486 filename_per_file = 1;
488 /* We were given several filenames to do. */
489 while (optind < argc)
492 if (!display_file (argv[optind++]))
496 END_PROGRESS (program_name);
501 char *lim = (char *) sbrk (0);
503 non_fatal (_("data size %ld"), (long) (lim - (char *) &environ));
512 get_symbol_type (unsigned int type)
514 static char buff [32];
518 case STT_NOTYPE: return "NOTYPE";
519 case STT_OBJECT: return "OBJECT";
520 case STT_FUNC: return "FUNC";
521 case STT_SECTION: return "SECTION";
522 case STT_FILE: return "FILE";
523 case STT_COMMON: return "COMMON";
524 case STT_TLS: return "TLS";
526 if (type >= STT_LOPROC && type <= STT_HIPROC)
527 sprintf (buff, _("<processor specific>: %d"), type);
528 else if (type >= STT_LOOS && type <= STT_HIOS)
529 sprintf (buff, _("<OS specific>: %d"), type);
531 sprintf (buff, _("<unknown>: %d"), type);
537 display_archive (bfd *file)
540 bfd *last_arfile = NULL;
543 (*format->print_archive_filename) (bfd_get_filename (file));
546 print_symdef_entry (file);
552 arfile = bfd_openr_next_archived_file (file, arfile);
556 if (bfd_get_error () != bfd_error_no_more_archived_files)
557 bfd_fatal (bfd_get_filename (file));
561 if (bfd_check_format_matches (arfile, bfd_object, &matching))
565 bfd_sprintf_vma (arfile, buf, (bfd_vma) -1);
566 print_width = strlen (buf);
567 (*format->print_archive_member) (bfd_get_filename (file),
568 bfd_get_filename (arfile));
569 display_rel_file (arfile, file);
573 bfd_nonfatal (bfd_get_filename (arfile));
574 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
576 list_matching_formats (matching);
581 if (last_arfile != NULL)
583 bfd_close (last_arfile);
584 lineno_cache_bfd = NULL;
585 lineno_cache_rel_bfd = NULL;
587 last_arfile = arfile;
590 if (last_arfile != NULL)
592 bfd_close (last_arfile);
593 lineno_cache_bfd = NULL;
594 lineno_cache_rel_bfd = NULL;
599 display_file (char *filename)
601 bfd_boolean retval = TRUE;
605 file = bfd_openr (filename, target);
608 bfd_nonfatal (filename);
612 if (bfd_check_format (file, bfd_archive))
614 display_archive (file);
616 else if (bfd_check_format_matches (file, bfd_object, &matching))
620 bfd_sprintf_vma (file, buf, (bfd_vma) -1);
621 print_width = strlen (buf);
622 (*format->print_object_filename) (filename);
623 display_rel_file (file, NULL);
627 bfd_nonfatal (filename);
628 if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
630 list_matching_formats (matching);
636 if (!bfd_close (file))
637 bfd_fatal (filename);
639 lineno_cache_bfd = NULL;
640 lineno_cache_rel_bfd = NULL;
645 /* These globals are used to pass information into the sorting
647 static bfd *sort_bfd;
648 static bfd_boolean sort_dynamic;
649 static asymbol *sort_x;
650 static asymbol *sort_y;
652 /* Symbol-sorting predicates */
653 #define valueof(x) ((x)->section->vma + (x)->value)
655 /* Numeric sorts. Undefined symbols are always considered "less than"
656 defined symbols with zero values. Common symbols are not treated
657 specially -- i.e., their sizes are used as their "values". */
660 numeric_forward (const void *P_x, const void *P_y)
665 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
666 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
667 if (x == NULL || y == NULL)
668 bfd_fatal (bfd_get_filename (sort_bfd));
670 xs = bfd_get_section (x);
671 ys = bfd_get_section (y);
673 if (bfd_is_und_section (xs))
675 if (! bfd_is_und_section (ys))
678 else if (bfd_is_und_section (ys))
680 else if (valueof (x) != valueof (y))
681 return valueof (x) < valueof (y) ? -1 : 1;
683 return non_numeric_forward (P_x, P_y);
687 numeric_reverse (const void *x, const void *y)
689 return - numeric_forward (x, y);
693 non_numeric_forward (const void *P_x, const void *P_y)
698 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
699 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
700 if (x == NULL || y == NULL)
701 bfd_fatal (bfd_get_filename (sort_bfd));
703 xn = bfd_asymbol_name (x);
704 yn = bfd_asymbol_name (y);
712 /* Solaris 2.5 has a bug in strcoll.
713 strcoll returns invalid values when confronted with empty strings. */
719 return strcoll (xn, yn);
721 return strcmp (xn, yn);
726 non_numeric_reverse (const void *x, const void *y)
728 return - non_numeric_forward (x, y);
731 static int (*(sorters[2][2])) (const void *, const void *) =
733 { non_numeric_forward, non_numeric_reverse },
734 { numeric_forward, numeric_reverse }
737 /* This sort routine is used by sort_symbols_by_size. It is similar
738 to numeric_forward, but when symbols have the same value it sorts
739 by section VMA. This simplifies the sort_symbols_by_size code
740 which handles symbols at the end of sections. Also, this routine
741 tries to sort file names before other symbols with the same value.
742 That will make the file name have a zero size, which will make
743 sort_symbols_by_size choose the non file name symbol, leading to
744 more meaningful output. For similar reasons, this code sorts
745 gnu_compiled_* and gcc2_compiled before other symbols with the same
749 size_forward1 (const void *P_x, const void *P_y)
757 x = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_x, sort_x);
758 y = bfd_minisymbol_to_symbol (sort_bfd, sort_dynamic, P_y, sort_y);
759 if (x == NULL || y == NULL)
760 bfd_fatal (bfd_get_filename (sort_bfd));
762 xs = bfd_get_section (x);
763 ys = bfd_get_section (y);
765 if (bfd_is_und_section (xs))
767 if (bfd_is_und_section (ys))
770 if (valueof (x) != valueof (y))
771 return valueof (x) < valueof (y) ? -1 : 1;
773 if (xs->vma != ys->vma)
774 return xs->vma < ys->vma ? -1 : 1;
776 xn = bfd_asymbol_name (x);
777 yn = bfd_asymbol_name (y);
781 /* The symbols gnu_compiled and gcc2_compiled convey even less
782 information than the file name, so sort them out first. */
784 xf = (strstr (xn, "gnu_compiled") != NULL
785 || strstr (xn, "gcc2_compiled") != NULL);
786 yf = (strstr (yn, "gnu_compiled") != NULL
787 || strstr (yn, "gcc2_compiled") != NULL);
794 /* We use a heuristic for the file name. It may not work on non
795 Unix systems, but it doesn't really matter; the only difference
796 is precisely which symbol names get printed. */
798 #define file_symbol(s, sn, snl) \
799 (((s)->flags & BSF_FILE) != 0 \
800 || ((sn)[(snl) - 2] == '.' \
801 && ((sn)[(snl) - 1] == 'o' \
802 || (sn)[(snl) - 1] == 'a')))
804 xf = file_symbol (x, xn, xnl);
805 yf = file_symbol (y, yn, ynl);
812 return non_numeric_forward (P_x, P_y);
815 /* This sort routine is used by sort_symbols_by_size. It is sorting
816 an array of size_sym structures into size order. */
819 size_forward2 (const void *P_x, const void *P_y)
821 const struct size_sym *x = (const struct size_sym *) P_x;
822 const struct size_sym *y = (const struct size_sym *) P_y;
824 if (x->size < y->size)
825 return reverse_sort ? 1 : -1;
826 else if (x->size > y->size)
827 return reverse_sort ? -1 : 1;
829 return sorters[0][reverse_sort] (x->minisym, y->minisym);
832 /* Sort the symbols by size. ELF provides a size but for other formats
833 we have to make a guess by assuming that the difference between the
834 address of a symbol and the address of the next higher symbol is the
838 sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms,
839 long symcount, unsigned int size,
840 struct size_sym **symsizesp)
842 struct size_sym *symsizes;
843 bfd_byte *from, *fromend;
845 asymbol *store_sym, *store_next;
847 qsort (minisyms, symcount, size, size_forward1);
849 /* We are going to return a special set of symbols and sizes to
851 symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym));
852 *symsizesp = symsizes;
854 /* Note that filter_symbols has already removed all absolute and
855 undefined symbols. Here we remove all symbols whose size winds
857 from = (bfd_byte *) minisyms;
858 fromend = from + symcount * size;
865 sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const void *) from,
868 bfd_fatal (bfd_get_filename (abfd));
871 for (; from < fromend; from += size)
878 if (from + size < fromend)
880 next = bfd_minisymbol_to_symbol (abfd,
882 (const void *) (from + size),
885 bfd_fatal (bfd_get_filename (abfd));
890 sec = bfd_get_section (sym);
892 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
893 sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
894 else if (bfd_is_com_section (sec))
898 if (from + size < fromend
899 && sec == bfd_get_section (next))
900 sz = valueof (next) - valueof (sym);
902 sz = (bfd_get_section_vma (abfd, sec)
903 + bfd_section_size (abfd, sec)
909 symsizes->minisym = (const void *) from;
917 store_sym = store_next;
921 symcount = symsizes - *symsizesp;
923 /* We must now sort again by size. */
924 qsort ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
929 /* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
932 display_rel_file (bfd *abfd, bfd *archive_bfd)
937 struct size_sym *symsizes;
941 if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
943 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
948 symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
950 bfd_fatal (bfd_get_filename (abfd));
954 non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
958 /* Discard the symbols we don't want to print.
959 It's OK to do this in place; we'll free the storage anyway
962 symcount = filter_symbols (abfd, dynamic, minisyms, symcount, size);
968 sort_dynamic = dynamic;
969 sort_x = bfd_make_empty_symbol (abfd);
970 sort_y = bfd_make_empty_symbol (abfd);
971 if (sort_x == NULL || sort_y == NULL)
972 bfd_fatal (bfd_get_filename (abfd));
975 qsort (minisyms, symcount, size,
976 sorters[sort_numerically][reverse_sort]);
978 symcount = sort_symbols_by_size (abfd, dynamic, minisyms, symcount,
983 print_symbols (abfd, dynamic, minisyms, symcount, size, archive_bfd);
985 print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd);
990 /* Choose which symbol entries to print;
991 compact them downward to get rid of the rest.
992 Return the number of symbols to be printed. */
995 filter_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms,
996 long symcount, unsigned int size)
998 bfd_byte *from, *fromend, *to;
1001 store = bfd_make_empty_symbol (abfd);
1003 bfd_fatal (bfd_get_filename (abfd));
1005 from = (bfd_byte *) minisyms;
1006 fromend = from + symcount * size;
1007 to = (bfd_byte *) minisyms;
1009 for (; from < fromend; from += size)
1016 sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const void *) from, store);
1018 bfd_fatal (bfd_get_filename (abfd));
1021 keep = bfd_is_und_section (sym->section);
1022 else if (external_only)
1023 keep = ((sym->flags & BSF_GLOBAL) != 0
1024 || (sym->flags & BSF_WEAK) != 0
1025 || bfd_is_und_section (sym->section)
1026 || bfd_is_com_section (sym->section));
1031 && ! print_debug_syms
1032 && (sym->flags & BSF_DEBUGGING) != 0)
1037 && (bfd_is_abs_section (sym->section)
1038 || bfd_is_und_section (sym->section)))
1044 if (bfd_is_und_section (sym->section))
1050 memcpy (to, from, size);
1055 return (to - (bfd_byte *) minisyms) / size;
1058 /* Print symbol name NAME, read from ABFD, with printf format FORMAT,
1059 demangling it if requested. */
1062 print_symname (const char *format, const char *name, bfd *abfd)
1064 if (do_demangle && *name)
1066 char *res = demangle (abfd, name);
1068 printf (format, res);
1073 printf (format, name);
1076 /* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive
1080 print_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, long symcount,
1081 unsigned int size, bfd *archive_bfd)
1084 bfd_byte *from, *fromend;
1086 store = bfd_make_empty_symbol (abfd);
1088 bfd_fatal (bfd_get_filename (abfd));
1090 from = (bfd_byte *) minisyms;
1091 fromend = from + symcount * size;
1092 for (; from < fromend; from += size)
1096 sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store);
1098 bfd_fatal (bfd_get_filename (abfd));
1100 print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
1104 /* Print the symbols when sorting by size. */
1107 print_size_symbols (bfd *abfd, bfd_boolean dynamic,
1108 struct size_sym *symsizes, long symcount,
1112 struct size_sym *from, *fromend;
1114 store = bfd_make_empty_symbol (abfd);
1116 bfd_fatal (bfd_get_filename (abfd));
1119 fromend = from + symcount;
1120 for (; from < fromend; from++)
1125 sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store);
1127 bfd_fatal (bfd_get_filename (abfd));
1129 /* For elf we have already computed the correct symbol size. */
1130 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1133 ssize = from->size - bfd_section_vma (abfd, bfd_get_section (sym));
1135 print_symbol (abfd, sym, ssize, archive_bfd);
1139 /* Print a single symbol. */
1142 print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd)
1144 symbol_info syminfo;
1145 struct extended_symbol_info info;
1149 (*format->print_symbol_filename) (archive_bfd, abfd);
1151 bfd_get_symbol_info (abfd, sym, &syminfo);
1152 info.sinfo = &syminfo;
1154 if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
1155 info.elfinfo = (elf_symbol_type *) sym;
1157 info.elfinfo = NULL;
1158 (*format->print_symbol_info) (&info, abfd);
1162 static asymbol **syms;
1163 static long symcount;
1164 const char *filename, *functionname;
1165 unsigned int lineno;
1167 /* We need to get the canonical symbols in order to call
1168 bfd_find_nearest_line. This is inefficient, but, then, you
1169 don't have to use --line-numbers. */
1170 if (abfd != lineno_cache_bfd && syms != NULL)
1179 symsize = bfd_get_symtab_upper_bound (abfd);
1181 bfd_fatal (bfd_get_filename (abfd));
1182 syms = (asymbol **) xmalloc (symsize);
1183 symcount = bfd_canonicalize_symtab (abfd, syms);
1185 bfd_fatal (bfd_get_filename (abfd));
1186 lineno_cache_bfd = abfd;
1189 if (bfd_is_und_section (bfd_get_section (sym)))
1191 static asection **secs;
1192 static arelent ***relocs;
1193 static long *relcount;
1194 static unsigned int seccount;
1196 const char *symname;
1198 /* For an undefined symbol, we try to find a reloc for the
1199 symbol, and print the line number of the reloc. */
1200 if (abfd != lineno_cache_rel_bfd && relocs != NULL)
1202 for (i = 0; i < seccount; i++)
1203 if (relocs[i] != NULL)
1215 struct get_relocs_info info;
1217 seccount = bfd_count_sections (abfd);
1219 secs = (asection **) xmalloc (seccount * sizeof *secs);
1220 relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
1221 relcount = (long *) xmalloc (seccount * sizeof *relcount);
1224 info.relocs = relocs;
1225 info.relcount = relcount;
1227 bfd_map_over_sections (abfd, get_relocs, (void *) &info);
1228 lineno_cache_rel_bfd = abfd;
1231 symname = bfd_asymbol_name (sym);
1232 for (i = 0; i < seccount; i++)
1236 for (j = 0; j < relcount[i]; j++)
1241 if (r->sym_ptr_ptr != NULL
1242 && (*r->sym_ptr_ptr)->section == sym->section
1243 && (*r->sym_ptr_ptr)->value == sym->value
1245 bfd_asymbol_name (*r->sym_ptr_ptr)) == 0
1246 && bfd_find_nearest_line (abfd, secs[i], syms,
1247 r->address, &filename,
1248 &functionname, &lineno)
1249 && filename != NULL)
1251 /* We only print the first one we find. */
1252 printf ("\t%s:%u", filename, lineno);
1259 else if (bfd_get_section (sym)->owner == abfd)
1261 if (bfd_find_nearest_line (abfd, bfd_get_section (sym), syms,
1262 sym->value, &filename, &functionname,
1267 printf ("\t%s:%u", filename, lineno);
1275 /* The following 3 groups of functions are called unconditionally,
1276 once at the start of processing each file of the appropriate type.
1277 They should check `filename_per_file' and `filename_per_symbol',
1278 as appropriate for their output format, to determine whether to
1281 /* Print the name of an object file given on the command line. */
1284 print_object_filename_bsd (char *filename)
1286 if (filename_per_file && !filename_per_symbol)
1287 printf ("\n%s:\n", filename);
1291 print_object_filename_sysv (char *filename)
1294 printf (_("\n\nUndefined symbols from %s:\n\n"), filename);
1296 printf (_("\n\nSymbols from %s:\n\n"), filename);
1297 if (print_width == 8)
1299 Name Value Class Type Size Line Section\n\n"));
1302 Name Value Class Type Size Line Section\n\n"));
1306 print_object_filename_posix (char *filename)
1308 if (filename_per_file && !filename_per_symbol)
1309 printf ("%s:\n", filename);
1312 /* Print the name of an archive file given on the command line. */
1315 print_archive_filename_bsd (char *filename)
1317 if (filename_per_file)
1318 printf ("\n%s:\n", filename);
1322 print_archive_filename_sysv (char *filename ATTRIBUTE_UNUSED)
1327 print_archive_filename_posix (char *filename ATTRIBUTE_UNUSED)
1331 /* Print the name of an archive member file. */
1334 print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED,
1335 const char *filename)
1337 if (!filename_per_symbol)
1338 printf ("\n%s:\n", filename);
1342 print_archive_member_sysv (char *archive, const char *filename)
1345 printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename);
1347 printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename);
1348 if (print_width == 8)
1350 Name Value Class Type Size Line Section\n\n"));
1353 Name Value Class Type Size Line Section\n\n"));
1357 print_archive_member_posix (char *archive, const char *filename)
1359 if (!filename_per_symbol)
1360 printf ("%s[%s]:\n", archive, filename);
1363 /* Print the name of the file (and archive, if there is one)
1364 containing a symbol. */
1367 print_symbol_filename_bsd (bfd *archive_bfd, bfd *abfd)
1369 if (filename_per_symbol)
1372 printf ("%s:", bfd_get_filename (archive_bfd));
1373 printf ("%s:", bfd_get_filename (abfd));
1378 print_symbol_filename_sysv (bfd *archive_bfd, bfd *abfd)
1380 if (filename_per_symbol)
1383 printf ("%s:", bfd_get_filename (archive_bfd));
1384 printf ("%s:", bfd_get_filename (abfd));
1389 print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd)
1391 if (filename_per_symbol)
1394 printf ("%s[%s]: ", bfd_get_filename (archive_bfd),
1395 bfd_get_filename (abfd));
1397 printf ("%s: ", bfd_get_filename (abfd));
1401 /* Print a symbol value. */
1404 print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
1406 #if ! defined (BFD64) || BFD_HOST_64BIT_LONG
1407 printf (value_format, val);
1409 /* We have a 64 bit value to print, but the host is only 32 bit. */
1410 if (print_radix == 16)
1411 bfd_fprintf_vma (abfd, stdout, val);
1417 s = buf + sizeof buf;
1421 *--s = (val % print_radix) + '0';
1424 while ((buf + sizeof buf - 1) - s < 16)
1431 /* Print a line of information about a symbol. */
1434 print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
1436 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1438 if (print_width == 16)
1444 /* Normally we print the value of the symbol. If we are printing the
1445 size or sorting by size then we print its size, except for the
1446 (weird) special case where both flags are defined, in which case we
1447 print both values. This conforms to documented behaviour. */
1448 if (sort_by_size && !print_size)
1449 print_value (abfd, SYM_SIZE (info));
1451 print_value (abfd, SYM_VALUE (info));
1453 if (print_size && SYM_SIZE (info))
1456 print_value (abfd, SYM_SIZE (info));
1460 printf (" %c", SYM_TYPE (info));
1462 if (SYM_TYPE (info) == '-')
1466 printf (other_format, SYM_STAB_OTHER (info));
1468 printf (desc_format, SYM_STAB_DESC (info));
1469 printf (" %5s", SYM_STAB_NAME (info));
1471 print_symname (" %s", SYM_NAME (info), abfd);
1475 print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
1477 print_symname ("%-20s|", SYM_NAME (info), abfd);
1479 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1481 if (print_width == 8)
1487 print_value (abfd, SYM_VALUE (info));
1489 printf ("| %c |", SYM_TYPE (info));
1491 if (SYM_TYPE (info) == '-')
1494 printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
1495 printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
1496 printf ("| |"); /* Line, Section. */
1500 /* Type, Size, Line, Section */
1503 get_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info)));
1507 if (SYM_SIZE (info))
1508 print_value (abfd, SYM_SIZE (info));
1511 if (print_width == 8)
1518 printf("| |%s", info->elfinfo->symbol.section->name);
1525 print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
1527 print_symname ("%s ", SYM_NAME (info), abfd);
1528 printf ("%c ", SYM_TYPE (info));
1530 if (bfd_is_undefined_symclass (SYM_TYPE (info)))
1534 print_value (abfd, SYM_VALUE (info));
1536 if (SYM_SIZE (info))
1537 print_value (abfd, SYM_SIZE (info));
1542 print_symdef_entry (bfd *abfd)
1544 symindex idx = BFD_NO_MORE_SYMBOLS;
1546 bfd_boolean everprinted = FALSE;
1548 for (idx = bfd_get_next_mapent (abfd, idx, &thesym);
1549 idx != BFD_NO_MORE_SYMBOLS;
1550 idx = bfd_get_next_mapent (abfd, idx, &thesym))
1555 printf (_("\nArchive index:\n"));
1558 elt = bfd_get_elt_at_index (abfd, idx);
1560 bfd_fatal ("bfd_get_elt_at_index");
1561 if (thesym->name != (char *) NULL)
1563 print_symname ("%s", thesym->name, abfd);
1564 printf (" in %s\n", bfd_get_filename (elt));
1569 /* This function is used to get the relocs for a particular section.
1570 It is called via bfd_map_over_sections. */
1573 get_relocs (bfd *abfd, asection *sec, void *dataarg)
1575 struct get_relocs_info *data = (struct get_relocs_info *) dataarg;
1579 if ((sec->flags & SEC_RELOC) == 0)
1581 *data->relocs = NULL;
1582 *data->relcount = 0;
1588 relsize = bfd_get_reloc_upper_bound (abfd, sec);
1590 bfd_fatal (bfd_get_filename (abfd));
1592 *data->relocs = (arelent **) xmalloc (relsize);
1593 *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs,
1595 if (*data->relcount < 0)
1596 bfd_fatal (bfd_get_filename (abfd));