X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=binutils%2Fnm.c;h=2a44a846004885f06f288af6c38fa42eddf5a7f2;hb=d0ae9fbda7513c1cab463bf1a9b21fdef40e7c56;hp=c1fb4d803e845e1f3de510f813dd99b393d31130;hpb=01f0fe5e0450edf168c1f612feb93cf588e4e7ea;p=binutils-gdb.git diff --git a/binutils/nm.c b/binutils/nm.c index c1fb4d803e8..2a44a846004 100644 --- a/binutils/nm.c +++ b/binutils/nm.c @@ -1,13 +1,11 @@ /* nm.c -- Describe symbol table of a rel file. - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005 - Free Software Foundation, Inc. + Copyright (C) 1991-2014 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 + the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -20,10 +18,9 @@ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ +#include "sysdep.h" #include "bfd.h" #include "progress.h" -#include "bucomm.h" -#include "budemang.h" #include "getopt.h" #include "aout/stab_gnu.h" #include "aout/ranlib.h" @@ -31,6 +28,8 @@ #include "libiberty.h" #include "elf-bfd.h" #include "elf/common.h" +#include "bucomm.h" +#include "plugin.h" /* When sorting by size, we use this structure to hold the size and a pointer to the minisymbol. */ @@ -159,32 +158,36 @@ 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 +static char value_format_32bit[] = "%08lx"; #if BFD_HOST_64BIT_LONG -static char value_format[] = "%016lx"; +static char value_format_64bit[] = "%016lx"; +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ +static char value_format_64bit[] = "%016llx"; #else -/* We don't use value_format for this case. */ -#endif +static char value_format_64bit[] = "%016I64x"; #endif -#ifdef BFD64 -static int print_width = 16; -#else -static int print_width = 8; #endif +static int print_width = 0; 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; +#if BFD_SUPPORTS_PLUGINS +static const char *plugin_target = "plugin"; +#else +static const char *plugin_target = NULL; +#endif /* Used to cache the line numbers for a BFD. */ static bfd *lineno_cache_bfd; static bfd *lineno_cache_rel_bfd; #define OPTION_TARGET 200 +#define OPTION_PLUGIN (OPTION_TARGET + 1) +#define OPTION_SIZE_SORT (OPTION_PLUGIN + 1) static struct option long_options[] = { @@ -197,15 +200,16 @@ static struct option long_options[] = {"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}, + {"no-sort", no_argument, 0, 'p'}, + {"numeric-sort", no_argument, 0, 'n'}, + {"plugin", required_argument, 0, OPTION_PLUGIN}, {"portability", no_argument, 0, 'P'}, {"print-armap", no_argument, &print_armap, 1}, {"print-file-name", no_argument, 0, 'o'}, {"print-size", no_argument, 0, 'S'}, {"radix", required_argument, 0, 't'}, {"reverse-sort", no_argument, &reverse_sort, 1}, - {"size-sort", no_argument, &sort_by_size, 1}, + {"size-sort", no_argument, 0, OPTION_SIZE_SORT}, {"special-syms", no_argument, &allow_special_symbols, 1}, {"stats", no_argument, &show_stats, 1}, {"synthetic", no_argument, &show_synthetic, 1}, @@ -244,7 +248,12 @@ usage (FILE *stream, int status) -o Same as -A\n\ -p, --no-sort Do not sort the symbols\n\ -P, --portability Same as --format=posix\n\ - -r, --reverse-sort Reverse the sense of the sort\n\ + -r, --reverse-sort Reverse the sense of the sort\n")); +#if BFD_SUPPORTS_PLUGINS + fprintf (stream, _("\ + --plugin NAME Load the specified plugin\n")); +#endif + fprintf (stream, _("\ -S, --print-size Print size of defined symbols\n\ -s, --print-armap Include index for symbols from archive members\n\ --size-sort Sort symbols by size\n\ @@ -259,7 +268,7 @@ usage (FILE *stream, int status) -V, --version Display this program's version number\n\ \n")); list_supported_targets (program_name, stream); - if (status == 0) + if (REPORT_BUGS_TO[0] && status == 0) fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO); exit (status); } @@ -279,14 +288,14 @@ set_print_radix (char *radix) print_radix = 10; else print_radix = 8; -#ifndef BFD64 - value_format[4] = *radix; -#else + value_format_32bit[4] = *radix; #if BFD_HOST_64BIT_LONG - value_format[5] = *radix; + value_format_64bit[5] = *radix; +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + value_format_64bit[6] = *radix; #else - /* This case requires special handling for octal and decimal - printing. */ + value_format_64bit[7] = *radix; #endif #endif other_format[3] = desc_format[3] = *radix; @@ -346,22 +355,25 @@ get_symbol_type (unsigned int type) } } -/* Print symbol name NAME, read from ABFD, with printf format FORMAT, +/* Print symbol name NAME, read from ABFD, with printf format FORM, demangling it if requested. */ static void -print_symname (const char *format, const char *name, bfd *abfd) +print_symname (const char *form, const char *name, bfd *abfd) { if (do_demangle && *name) { - char *res = demangle (abfd, name); + char *res = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS); - printf (format, res); - free (res); - return; + if (res != NULL) + { + printf (form, res); + free (res); + return; + } } - printf (format, name); + printf (form, name); } static void @@ -397,7 +409,7 @@ print_symdef_entry (bfd *abfd) Return the number of symbols to be printed. */ static long -filter_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, +filter_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount, unsigned int size) { bfd_byte *from, *fromend, *to; @@ -418,15 +430,17 @@ filter_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, PROGRESS (1); - sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const void *) from, store); + sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) 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 + /* PR binutls/12753: Unique symbols are global too. */ + keep = ((sym->flags & (BSF_GLOBAL + | BSF_WEAK + | BSF_GNU_UNIQUE)) != 0 || bfd_is_und_section (sym->section) || bfd_is_com_section (sym->section)); else @@ -457,7 +471,8 @@ filter_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, if (keep) { - memcpy (to, from, size); + if (to != from) + memcpy (to, from, size); to += size; } } @@ -658,7 +673,7 @@ size_forward2 (const void *P_x, const void *P_y) size. */ static long -sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms, +sort_symbols_by_size (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount, unsigned int size, struct size_sym **symsizesp) { @@ -671,7 +686,7 @@ sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms, /* We are going to return a special set of symbols and sizes to print. */ - symsizes = xmalloc (symcount * sizeof (struct size_sym)); + symsizes = (struct size_sym *) xmalloc (symcount * sizeof (struct size_sym)); *symsizesp = symsizes; /* Note that filter_symbols has already removed all absolute and @@ -685,7 +700,7 @@ sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms, if (from < fromend) { - sym = bfd_minisymbol_to_symbol (abfd, dynamic, (const void *) from, + sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, (const void *) from, store_sym); if (sym == NULL) bfd_fatal (bfd_get_filename (abfd)); @@ -701,7 +716,7 @@ sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms, if (from + size < fromend) { next = bfd_minisymbol_to_symbol (abfd, - dynamic, + is_dynamic, (const void *) (from + size), store_next); if (next == NULL) @@ -772,7 +787,7 @@ get_relocs (bfd *abfd, asection *sec, void *dataarg) if (relsize < 0) bfd_fatal (bfd_get_filename (abfd)); - *data->relocs = xmalloc (relsize); + *data->relocs = (arelent **) xmalloc (relsize); *data->relcount = bfd_canonicalize_reloc (abfd, sec, *data->relocs, data->syms); if (*data->relcount < 0) @@ -827,7 +842,7 @@ print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) symsize = bfd_get_symtab_upper_bound (abfd); if (symsize < 0) bfd_fatal (bfd_get_filename (abfd)); - syms = xmalloc (symsize); + syms = (asymbol **) xmalloc (symsize); symcount = bfd_canonicalize_symtab (abfd, syms); if (symcount < 0) bfd_fatal (bfd_get_filename (abfd)); @@ -860,19 +875,19 @@ print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) if (relocs == NULL) { - struct get_relocs_info info; + struct get_relocs_info rinfo; seccount = bfd_count_sections (abfd); - secs = xmalloc (seccount * sizeof *secs); - relocs = xmalloc (seccount * sizeof *relocs); - relcount = xmalloc (seccount * sizeof *relcount); + 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, (void *) &info); + rinfo.secs = secs; + rinfo.relocs = relocs; + rinfo.relcount = relcount; + rinfo.syms = syms; + bfd_map_over_sections (abfd, get_relocs, (void *) &rinfo); lineno_cache_rel_bfd = abfd; } @@ -922,7 +937,7 @@ print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) /* Print the symbols when sorting by size. */ static void -print_size_symbols (bfd *abfd, bfd_boolean dynamic, +print_size_symbols (bfd *abfd, bfd_boolean is_dynamic, struct size_sym *symsizes, long symcount, bfd *archive_bfd) { @@ -938,19 +953,12 @@ print_size_symbols (bfd *abfd, bfd_boolean dynamic, for (; from < fromend; from++) { asymbol *sym; - bfd_vma ssize; - sym = bfd_minisymbol_to_symbol (abfd, dynamic, from->minisym, store); + sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from->minisym, store); if (sym == NULL) bfd_fatal (bfd_get_filename (abfd)); - /* For elf we have already computed the correct symbol size. */ - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) - ssize = from->size; - else - ssize = from->size - bfd_section_vma (abfd, bfd_get_section (sym)); - - print_symbol (abfd, sym, ssize, archive_bfd); + print_symbol (abfd, sym, from->size, archive_bfd); } } @@ -959,7 +967,7 @@ print_size_symbols (bfd *abfd, bfd_boolean dynamic, containing ABFD. */ static void -print_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, long symcount, +print_symbols (bfd *abfd, bfd_boolean is_dynamic, void *minisyms, long symcount, unsigned int size, bfd *archive_bfd) { asymbol *store; @@ -975,7 +983,7 @@ print_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, long symcount, { asymbol *sym; - sym = bfd_minisymbol_to_symbol (abfd, dynamic, from, store); + sym = bfd_minisymbol_to_symbol (abfd, is_dynamic, from, store); if (sym == NULL) bfd_fatal (bfd_get_filename (abfd)); @@ -1004,7 +1012,15 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size); if (symcount < 0) - bfd_fatal (bfd_get_filename (abfd)); + { + if (dynamic && bfd_get_error () == bfd_error_no_symbols) + { + non_fatal (_("%s: no symbols"), bfd_get_filename (abfd)); + return; + } + + bfd_fatal (bfd_get_filename (abfd)); + } if (symcount == 0) { @@ -1024,18 +1040,18 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) if (dynamic) { dyn_count = symcount; - dyn_syms = minisyms; + dyn_syms = (asymbol **) minisyms; } else { long storage = bfd_get_dynamic_symtab_upper_bound (abfd); static_count = symcount; - static_syms = minisyms; + static_syms = (asymbol **) minisyms; if (storage > 0) { - dyn_syms = xmalloc (storage); + dyn_syms = (asymbol **) xmalloc (storage); dyn_count = bfd_canonicalize_dynamic_symtab (abfd, dyn_syms); if (dyn_count < 0) bfd_fatal (bfd_get_filename (abfd)); @@ -1050,7 +1066,7 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) long i; new_mini = xmalloc ((symcount + synth_count + 1) * sizeof (*symp)); - symp = new_mini; + symp = (asymbol **) new_mini; memcpy (symp, minisyms, symcount * sizeof (*symp)); symp += symcount; for (i = 0; i < synth_count; i++) @@ -1091,6 +1107,27 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd); free (minisyms); + free (symsizes); +} + +static void +set_print_width (bfd *file) +{ + print_width = bfd_get_arch_size (file); + + if (print_width == -1) + { + /* PR binutils/4292 + Guess the target's bitsize based on its name. + We assume here than any 64-bit format will include + "64" somewhere in its name. The only known exception + is the MMO object file format. */ + if (strstr (bfd_get_target (file), "64") != NULL + || strcmp (bfd_get_target (file), "mmo") == 0) + print_width = 64; + else + print_width = 32; + } } static void @@ -1120,10 +1157,7 @@ display_archive (bfd *file) if (bfd_check_format_matches (arfile, bfd_object, &matching)) { - char buf[30]; - - bfd_sprintf_vma (arfile, buf, (bfd_vma) -1); - print_width = strlen (buf); + set_print_width (arfile); format->print_archive_member (bfd_get_filename (file), bfd_get_filename (arfile)); display_rel_file (arfile, file); @@ -1165,23 +1199,24 @@ display_file (char *filename) if (get_file_size (filename) < 1) return FALSE; - file = bfd_openr (filename, target); + file = bfd_openr (filename, target ? target : plugin_target); if (file == NULL) { bfd_nonfatal (filename); return FALSE; } + /* If printing line numbers, decompress the debug sections. */ + if (line_numbers) + file->flags |= BFD_DECOMPRESS; + if (bfd_check_format (file, bfd_archive)) { display_archive (file); } else if (bfd_check_format_matches (file, bfd_object, &matching)) { - char buf[30]; - - bfd_sprintf_vma (file, buf, (bfd_vma) -1); - print_width = strlen (buf); + set_print_width (file); format->print_object_filename (filename); display_rel_file (file, NULL); } @@ -1227,7 +1262,7 @@ print_object_filename_sysv (char *filename) printf (_("\n\nUndefined symbols from %s:\n\n"), filename); else printf (_("\n\nSymbols from %s:\n\n"), filename); - if (print_width == 8) + if (print_width == 32) printf (_("\ Name Value Class Type Size Line Section\n\n")); else @@ -1278,7 +1313,7 @@ print_archive_member_sysv (char *archive, const char *filename) printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename); else printf (_("\n\nSymbols from %s[%s]:\n\n"), archive, filename); - if (print_width == 8) + if (print_width == 32) printf (_("\ Name Value Class Type Size Line Section\n\n")); else @@ -1336,29 +1371,42 @@ print_symbol_filename_posix (bfd *archive_bfd, bfd *abfd) static void print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val) { -#if ! defined (BFD64) || BFD_HOST_64BIT_LONG - printf (value_format, val); -#else - /* We have a 64 bit value to print, but the host is only 32 bit. */ - if (print_radix == 16) - bfd_fprintf_vma (abfd, stdout, val); - else + switch (print_width) { - char buf[30]; - char *s; + case 32: + printf (value_format_32bit, (unsigned long) val); + break; - s = buf + sizeof buf; - *--s = '\0'; - while (val > 0) + case 64: +#if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG + printf (value_format_64bit, val); +#else + /* We have a 64 bit value to print, but the host is only 32 bit. */ + if (print_radix == 16) + bfd_fprintf_vma (abfd, stdout, val); + else { - *--s = (val % print_radix) + '0'; - val /= print_radix; + 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); } - while ((buf + sizeof buf - 1) - s < 16) - *--s = '0'; - printf ("%s", s); - } #endif + break; + + default: + fatal (_("Print width has not been initialized (%d)"), print_width); + break; + } } /* Print a line of information about a symbol. */ @@ -1368,7 +1416,7 @@ print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd) { if (bfd_is_undefined_symclass (SYM_TYPE (info))) { - if (print_width == 16) + if (print_width == 64) printf (" "); printf (" "); } @@ -1411,7 +1459,7 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) if (bfd_is_undefined_symclass (SYM_TYPE (info))) { - if (print_width == 8) + if (print_width == 32) printf (" "); else printf (" "); @@ -1441,7 +1489,7 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) print_value (abfd, SYM_SIZE (info)); else { - if (print_width == 8) + if (print_width == 32) printf (" "); else printf (" "); @@ -1489,6 +1537,9 @@ main (int argc, char **argv) program_name = *argv; xmalloc_set_program_name (program_name); +#if BFD_SUPPORTS_PLUGINS + bfd_plugin_set_program_name (program_name); +#endif START_PROGRESS (program_name, 0); @@ -1546,10 +1597,19 @@ main (int argc, char **argv) break; case 'n': case 'v': + no_sort = 0; sort_numerically = 1; + sort_by_size = 0; break; case 'p': no_sort = 1; + sort_numerically = 0; + sort_by_size = 0; + break; + case OPTION_SIZE_SORT: + no_sort = 0; + sort_numerically = 0; + sort_by_size = 1; break; case 'P': set_output_format ("posix"); @@ -1588,6 +1648,14 @@ main (int argc, char **argv) target = optarg; break; + case OPTION_PLUGIN: /* --plugin */ +#if BFD_SUPPORTS_PLUGINS + bfd_plugin_set_plugin (optarg); +#else + fatal (_("sorry - this program has been built without plugin support\n")); +#endif + break; + case 0: /* A long option that just sets a flag. */ break;