| /* 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 ATTRIBUTE_UNUSED; |
| { |
| } |
| |
| static void |
| print_archive_filename_posix (filename) |
| char *filename ATTRIBUTE_UNUSED; |
| { |
| } |
| |
| /* Print the name of an archive member file. */ |
| |
| static void |
| print_archive_member_bsd (archive, filename) |
| char *archive ATTRIBUTE_UNUSED; |
| 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' || info->type == 'w') |
| { |
| 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' || info->type == 'w') |
| 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' || info->type == 'w') |
| 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; |
| } |