X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=binutils%2Fnm.c;h=2ee38c29f76a95300750b38a0dab2b13f510ffa5;hb=aa989b27d0bad451455416953c0e5026e229863a;hp=5d4300549691eab4980be9f351e0eab98824d77c;hpb=be26064bad19d44450d2b06e51d0a9d9f714f759;p=deliverable%2Fbinutils-gdb.git diff --git a/binutils/nm.c b/binutils/nm.c index 5d43005496..2ee38c29f7 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, 2007 - Free Software Foundation, Inc. + Copyright (C) 1991-2019 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 +28,16 @@ #include "libiberty.h" #include "elf-bfd.h" #include "elf/common.h" +#define DO_NOT_DEFINE_AOUTHDR +#define DO_NOT_DEFINE_FILHDR +#define DO_NOT_DEFINE_LINENO +#define DO_NOT_DEFINE_SCNHDR +#include "coff/external.h" +#include "coff/internal.h" +#include "libcoff.h" +#include "bucomm.h" +#include "plugin-api.h" +#include "plugin.h" /* When sorting by size, we use this structure to hold the size and a pointer to the minisymbol. */ @@ -57,6 +64,7 @@ struct extended_symbol_info symbol_info *sinfo; bfd_vma ssize; elf_symbol_type *elfinfo; + coff_symbol_type *coffinfo; /* FIXME: We should add more fields for Type, Line, Section. */ }; #define SYM_NAME(sym) (sym->sinfo->name) @@ -69,15 +77,15 @@ struct extended_symbol_info (sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize) /* The output formatting functions. */ -static void print_object_filename_bsd (char *); -static void print_object_filename_sysv (char *); -static void print_object_filename_posix (char *); -static void print_archive_filename_bsd (char *); -static void print_archive_filename_sysv (char *); -static void print_archive_filename_posix (char *); -static void print_archive_member_bsd (char *, const char *); -static void print_archive_member_sysv (char *, const char *); -static void print_archive_member_posix (char *, const char *); +static void print_object_filename_bsd (const char *); +static void print_object_filename_sysv (const char *); +static void print_object_filename_posix (const char *); +static void print_archive_filename_bsd (const char *); +static void print_archive_filename_sysv (const char *); +static void print_archive_filename_posix (const char *); +static void print_archive_member_bsd (const char *, const char *); +static void print_archive_member_sysv (const char *, const char *); +static void print_archive_member_posix (const char *, const char *); static void print_symbol_filename_bsd (bfd *, bfd *); static void print_symbol_filename_sysv (bfd *, bfd *); static void print_symbol_filename_posix (bfd *, bfd *); @@ -90,13 +98,13 @@ static void print_symbol_info_posix (struct extended_symbol_info *, bfd *); struct output_fns { /* Print the name of an object file given on the command line. */ - void (*print_object_filename) (char *); + void (*print_object_filename) (const char *); /* Print the name of an archive file given on the command line. */ - void (*print_archive_filename) (char *); + void (*print_archive_filename) (const char *); /* Print the name of an archive member file. */ - void (*print_archive_member) (char *, const char *); + void (*print_archive_member) (const char *, const char *); /* Print the name of the file (and archive, if there is one) containing a symbol. */ @@ -133,6 +141,8 @@ static struct output_fns formats[] = /* The output format to use. */ static struct output_fns *format = &formats[FORMAT_DEFAULT]; +static unsigned int print_format = FORMAT_DEFAULT; +static const char *print_format_string = NULL; /* Command options. */ @@ -149,18 +159,17 @@ 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 show_synthetic = 0; /* Display synthesized symbols too. */ static int line_numbers = 0; /* Print line numbers for symbols. */ static int allow_special_symbols = 0; /* Allow special symbols. */ +static int with_symbol_versions = 0; /* Include symbol version information in the output. */ + +static int demangle_flags = DMGL_ANSI | DMGL_PARAMS; /* 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. */ -static char value_format_32bit[] = "%08lx"; -static char value_format_64bit[] = "%016lx"; static int print_width = 0; static int print_radix = 16; /* Print formats for printing stab info. */ @@ -168,12 +177,24 @@ 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 +enum long_option_values +{ + OPTION_TARGET = 200, + OPTION_PLUGIN, + OPTION_SIZE_SORT, + OPTION_RECURSE_LIMIT, + OPTION_NO_RECURSE_LIMIT +}; static struct option long_options[] = { @@ -186,28 +207,33 @@ 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-recurse-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT}, + {"no-recursion-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT}, + {"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'}, + {"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT}, + {"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT}, {"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}, {"target", required_argument, 0, OPTION_TARGET}, {"defined-only", no_argument, &defined_only, 1}, {"undefined-only", no_argument, &undefined_only, 1}, {"version", no_argument, &show_version, 1}, + {"with-symbol-versions", no_argument, &with_symbol_versions, 1}, {0, no_argument, 0, 0} }; /* Some error-reporting functions. */ -static void +ATTRIBUTE_NORETURN static void usage (FILE *stream, int status) { fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name); @@ -221,6 +247,8 @@ usage (FILE *stream, int status) `gnu', `lucid', `arm', `hp', `edg', `gnu-v3', `java'\n\ or `gnat'\n\ --no-demangle Do not demangle low-level symbol names\n\ + --recurse-limit Enable a demangling recursion limit. This is the default.\n\ + --no-recurse-limit Disable a demangling recursion limit.\n\ -D, --dynamic Display dynamic symbols instead of normal symbols\n\ --defined-only Display only defined symbols\n\ -e (ignored)\n\ @@ -233,7 +261,12 @@ 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\ @@ -242,6 +275,7 @@ usage (FILE *stream, int status) -t, --radix=RADIX Use RADIX for printing symbol values\n\ --target=BFDNAME Specify the target object format as BFDNAME\n\ -u, --undefined-only Display only undefined symbols\n\ + --with-symbol-versions Display version strings after symbol names\n\ -X 32_64 (ignored)\n\ @FILE Read options from FILE\n\ -h, --help Display this information\n\ @@ -260,21 +294,15 @@ set_print_radix (char *radix) { switch (*radix) { - case 'x': - break; - case 'd': - case 'o': - if (*radix == 'd') - print_radix = 10; - else - print_radix = 8; - value_format_32bit[4] = *radix; - value_format_64bit[5] = *radix; - other_format[3] = desc_format[3] = *radix; - break; + case 'x': print_radix = 16; break; + case 'd': print_radix = 10; break; + case 'o': print_radix = 8; break; + default: fatal (_("%s: invalid radix"), radix); } + + other_format[3] = desc_format[3] = *radix; } static void @@ -300,12 +328,14 @@ set_output_format (char *f) fatal (_("%s: invalid output format"), f); } format = &formats[i]; + print_format = i; } static const char * -get_symbol_type (unsigned int type) +get_elf_symbol_type (unsigned int type) { - static char buff [32]; + static char *bufp; + int n; switch (type) { @@ -316,33 +346,69 @@ get_symbol_type (unsigned int type) case STT_FILE: return "FILE"; case STT_COMMON: return "COMMON"; case STT_TLS: return "TLS"; - default: - if (type >= STT_LOPROC && type <= STT_HIPROC) - sprintf (buff, _(": %d"), type); - else if (type >= STT_LOOS && type <= STT_HIOS) - sprintf (buff, _(": %d"), type); - else - sprintf (buff, _(": %d"), type); - return buff; } + + free (bufp); + if (type >= STT_LOPROC && type <= STT_HIPROC) + n = asprintf (&bufp, _(": %d"), type); + else if (type >= STT_LOOS && type <= STT_HIOS) + n = asprintf (&bufp, _(": %d"), type); + else + n = asprintf (&bufp, _(": %d"), type); + if (n < 0) + fatal ("%s", xstrerror (errno)); + return bufp; +} + +static const char * +get_coff_symbol_type (const struct internal_syment *sym) +{ + static char *bufp; + int n; + + switch (sym->n_sclass) + { + case C_BLOCK: return "Block"; + case C_FILE: return "File"; + case C_LINE: return "Line"; + } + + if (!sym->n_type) + return "None"; + + switch (DTYPE(sym->n_type)) + { + case DT_FCN: return "Function"; + case DT_PTR: return "Pointer"; + case DT_ARY: return "Array"; + } + + free (bufp); + n = asprintf (&bufp, _(": %d/%d"), sym->n_sclass, sym->n_type); + if (n < 0) + fatal ("%s", xstrerror (errno)); + return bufp; } -/* 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, demangle_flags); - printf (format, res); - free (res); - return; + if (res != NULL) + { + printf (form, res); + free (res); + return; + } } - printf (format, name); + printf (form, name); } static void @@ -373,12 +439,16 @@ print_symdef_entry (bfd *abfd) } } + +/* True when we can report missing plugin error. */ +bfd_boolean report_plugin_err = TRUE; + /* 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 (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; @@ -399,15 +469,27 @@ 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 (sym->name[0] == '_' + && sym->name[1] == '_' + && strcmp (sym->name + (sym->name[2] == '_'), "__gnu_lto_slim") == 0 + && report_plugin_err) + { + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + 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 @@ -438,7 +520,8 @@ filter_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, if (keep) { - memcpy (to, from, size); + if (to != from) + memcpy (to, from, size); to += size; } } @@ -510,8 +593,8 @@ numeric_forward (const void *P_x, const void *P_y) if (x == NULL || y == NULL) bfd_fatal (bfd_get_filename (sort_bfd)); - xs = bfd_get_section (x); - ys = bfd_get_section (y); + xs = bfd_asymbol_section (x); + ys = bfd_asymbol_section (y); if (bfd_is_und_section (xs)) { @@ -563,8 +646,8 @@ size_forward1 (const void *P_x, const void *P_y) if (x == NULL || y == NULL) bfd_fatal (bfd_get_filename (sort_bfd)); - xs = bfd_get_section (x); - ys = bfd_get_section (y); + xs = bfd_asymbol_section (x); + ys = bfd_asymbol_section (y); if (bfd_is_und_section (xs)) abort (); @@ -601,7 +684,8 @@ size_forward1 (const void *P_x, const void *P_y) #define file_symbol(s, sn, snl) \ (((s)->flags & BSF_FILE) != 0 \ - || ((sn)[(snl) - 2] == '.' \ + || ((snl) > 2 \ + && (sn)[(snl) - 2] == '.' \ && ((sn)[(snl) - 1] == 'o' \ || (sn)[(snl) - 1] == 'a'))) @@ -639,7 +723,7 @@ 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) { @@ -652,7 +736,7 @@ 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 @@ -666,7 +750,7 @@ 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)); @@ -682,7 +766,7 @@ 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) @@ -691,20 +775,25 @@ sort_symbols_by_size (bfd *abfd, bfd_boolean dynamic, void *minisyms, else next = NULL; - sec = bfd_get_section (sym); + sec = bfd_asymbol_section (sym); - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) + /* Synthetic symbols don't have a full type set of data available, thus + we can't rely on that information for the symbol size. Ditto for + bfd/section.c:global_syms like *ABS*. */ + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0 + && bfd_get_flavour (abfd) == bfd_target_elf_flavour) sz = ((elf_symbol_type *) sym)->internal_elf_sym.st_size; - else if (bfd_is_com_section (sec)) + else if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0 + && bfd_is_com_section (sec)) sz = sym->value; else { if (from + size < fromend - && sec == bfd_get_section (next)) + && sec == bfd_asymbol_section (next)) sz = valueof (next) - valueof (sym); else - sz = (bfd_get_section_vma (abfd, sec) - + bfd_section_size (abfd, sec) + sz = (bfd_section_vma (sec) + + bfd_section_size (sec) - valueof (sym)); } @@ -753,7 +842,7 @@ 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) @@ -768,7 +857,10 @@ get_relocs (bfd *abfd, asection *sec, void *dataarg) /* Print a single symbol. */ static void -print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) +print_symbol (bfd * abfd, + asymbol * sym, + bfd_vma ssize, + bfd * archive_bfd) { symbol_info syminfo; struct extended_symbol_info info; @@ -778,14 +870,39 @@ print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) format->print_symbol_filename (archive_bfd, abfd); bfd_get_symbol_info (abfd, sym, &syminfo); + info.sinfo = &syminfo; info.ssize = ssize; - if (bfd_get_flavour (abfd) == bfd_target_elf_flavour) - info.elfinfo = (elf_symbol_type *) sym; + /* Synthetic symbols do not have a full symbol type set of data available. + Nor do bfd/section.c:global_syms like *ABS*. */ + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) != 0) + { + info.elfinfo = NULL; + info.coffinfo = NULL; + } else - info.elfinfo = NULL; + { + info.elfinfo = elf_symbol_from (abfd, sym); + info.coffinfo = coff_symbol_from (sym); + } + format->print_symbol_info (&info, abfd); + if (with_symbol_versions) + { + const char * version_string = NULL; + bfd_boolean hidden = FALSE; + + if ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0) + version_string = bfd_get_symbol_version_string (abfd, sym, &hidden); + + if (bfd_is_und_section (bfd_asymbol_section (sym))) + hidden = TRUE; + + if (version_string && *version_string != '\0') + printf (hidden ? "@%s" : "@@%s", version_string); + } + if (line_numbers) { static asymbol **syms; @@ -808,14 +925,14 @@ 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)); lineno_cache_bfd = abfd; } - if (bfd_is_und_section (bfd_get_section (sym))) + if (bfd_is_und_section (bfd_asymbol_section (sym))) { static asection **secs; static arelent ***relocs; @@ -841,19 +958,19 @@ 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; } @@ -885,10 +1002,10 @@ print_symbol (bfd *abfd, asymbol *sym, bfd_vma ssize, bfd *archive_bfd) } } } - else if (bfd_get_section (sym)->owner == abfd) + else if (bfd_asymbol_section (sym)->owner == abfd) { if ((bfd_find_line (abfd, syms, sym, &filename, &lineno) - || bfd_find_nearest_line (abfd, bfd_get_section (sym), + || bfd_find_nearest_line (abfd, bfd_asymbol_section (sym), syms, sym->value, &filename, &functionname, &lineno)) && filename != NULL @@ -903,12 +1020,15 @@ 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, - struct size_sym *symsizes, long symcount, - bfd *archive_bfd) +print_size_symbols (bfd * abfd, + bfd_boolean is_dynamic, + struct size_sym * symsizes, + long symcount, + bfd * archive_bfd) { asymbol *store; - struct size_sym *from, *fromend; + struct size_sym *from; + struct size_sym *fromend; store = bfd_make_empty_symbol (abfd); if (store == NULL) @@ -916,35 +1036,39 @@ print_size_symbols (bfd *abfd, bfd_boolean dynamic, from = symsizes; fromend = from + symcount; + 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); } } -/* Print the symbols. If ARCHIVE_BFD is non-NULL, it is the archive - containing ABFD. */ +/* Print the symbols of ABFD that are held in MINISYMS. + + If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. + + SYMCOUNT is the number of symbols in MINISYMS. + + SIZE is the size of a symbol in MINISYMS. */ static void -print_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, long symcount, - unsigned int size, bfd *archive_bfd) +print_symbols (bfd * abfd, + bfd_boolean is_dynamic, + void * minisyms, + long symcount, + unsigned int size, + bfd * archive_bfd) { asymbol *store; - bfd_byte *from, *fromend; + bfd_byte *from; + bfd_byte *fromend; store = bfd_make_empty_symbol (abfd); if (store == NULL) @@ -952,11 +1076,12 @@ print_symbols (bfd *abfd, bfd_boolean dynamic, void *minisyms, long symcount, from = (bfd_byte *) minisyms; fromend = from + symcount * size; + for (; from < fromend; from += size) { 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)); @@ -973,6 +1098,7 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) void *minisyms; unsigned int size; struct size_sym *symsizes; + asymbol *synthsyms = NULL; if (! dynamic) { @@ -985,7 +1111,15 @@ 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) { @@ -995,53 +1129,59 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) if (show_synthetic && size == sizeof (asymbol *)) { - asymbol *synthsyms; - long synth_count; asymbol **static_syms = NULL; asymbol **dyn_syms = NULL; long static_count = 0; long dyn_count = 0; + long synth_count; 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)); } } + synth_count = bfd_get_synthetic_symtab (abfd, static_count, static_syms, dyn_count, dyn_syms, &synthsyms); if (synth_count > 0) { asymbol **symp; - void *new_mini; long i; - new_mini = xmalloc ((symcount + synth_count + 1) * sizeof (*symp)); - symp = new_mini; - memcpy (symp, minisyms, symcount * sizeof (*symp)); - symp += symcount; + minisyms = xrealloc (minisyms, + (symcount + synth_count + 1) * sizeof (*symp)); + symp = (asymbol **) minisyms + symcount; for (i = 0; i < synth_count; i++) *symp++ = synthsyms + i; *symp = 0; - minisyms = new_mini; symcount += synth_count; } } + /* lto_slim_object is set to false when a bfd is loaded with a compiler + LTO plugin. */ + if (abfd->lto_slim_object) + { + report_plugin_err = FALSE; + non_fatal (_("%s: plugin needed to handle lto object"), + bfd_get_filename (abfd)); + } + /* 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). */ @@ -1071,7 +1211,55 @@ display_rel_file (bfd *abfd, bfd *archive_bfd) else print_size_symbols (abfd, dynamic, symsizes, symcount, archive_bfd); + if (synthsyms) + free (synthsyms); free (minisyms); + free (symsizes); +} + +/* Construct a formatting string for printing symbol values. */ + +static const char * +get_print_format (void) +{ + const char * padding; + if (print_format == FORMAT_POSIX) + { + /* POSIX compatible output does not have any padding. */ + padding = ""; + } + else if (print_width == 32) + { + padding ="08"; + } + else /* print_width == 64 */ + { + padding = "016"; + } + + const char * length = "l"; + if (print_width == 64) + { +#if BFD_HOST_64BIT_LONG + ; +#elif BFD_HOST_64BIT_LONG_LONG +#ifndef __MSVCRT__ + length = "ll"; +#else + length = "I64"; +#endif +#endif + } + + const char * radix = NULL; + switch (print_radix) + { + case 8: radix = "o"; break; + case 10: radix = "d"; break; + case 16: radix = "x"; break; + } + + return concat ("%", padding, length, radix, NULL); } static void @@ -1092,6 +1280,8 @@ set_print_width (bfd *file) else print_width = 32; } + free ((char *) print_format_string); + print_format_string = get_print_format (); } static void @@ -1141,6 +1331,8 @@ display_archive (bfd *file) bfd_close (last_arfile); lineno_cache_bfd = NULL; lineno_cache_rel_bfd = NULL; + if (arfile == last_arfile) + return; } last_arfile = arfile; } @@ -1163,13 +1355,17 @@ 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); @@ -1209,14 +1405,14 @@ display_file (char *filename) /* Print the name of an object file given on the command line. */ static void -print_object_filename_bsd (char *filename) +print_object_filename_bsd (const char *filename) { if (filename_per_file && !filename_per_symbol) printf ("\n%s:\n", filename); } static void -print_object_filename_sysv (char *filename) +print_object_filename_sysv (const char *filename) { if (undefined_only) printf (_("\n\nUndefined symbols from %s:\n\n"), filename); @@ -1231,7 +1427,7 @@ Name Value Class Type Size } static void -print_object_filename_posix (char *filename) +print_object_filename_posix (const char *filename) { if (filename_per_file && !filename_per_symbol) printf ("%s:\n", filename); @@ -1240,26 +1436,26 @@ print_object_filename_posix (char *filename) /* Print the name of an archive file given on the command line. */ static void -print_archive_filename_bsd (char *filename) +print_archive_filename_bsd (const char *filename) { if (filename_per_file) printf ("\n%s:\n", filename); } static void -print_archive_filename_sysv (char *filename ATTRIBUTE_UNUSED) +print_archive_filename_sysv (const char *filename ATTRIBUTE_UNUSED) { } static void -print_archive_filename_posix (char *filename ATTRIBUTE_UNUSED) +print_archive_filename_posix (const char *filename ATTRIBUTE_UNUSED) { } /* Print the name of an archive member file. */ static void -print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED, +print_archive_member_bsd (const char *archive ATTRIBUTE_UNUSED, const char *filename) { if (!filename_per_symbol) @@ -1267,7 +1463,7 @@ print_archive_member_bsd (char *archive ATTRIBUTE_UNUSED, } static void -print_archive_member_sysv (char *archive, const char *filename) +print_archive_member_sysv (const char *archive, const char *filename) { if (undefined_only) printf (_("\n\nUndefined symbols from %s[%s]:\n\n"), archive, filename); @@ -1282,7 +1478,7 @@ Name Value Class Type Size } static void -print_archive_member_posix (char *archive, const char *filename) +print_archive_member_posix (const char *archive, const char *filename) { if (!filename_per_symbol) printf ("%s[%s]:\n", archive, filename); @@ -1334,12 +1530,12 @@ print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val) switch (print_width) { case 32: - printf (value_format_32bit, (unsigned long) val); + printf (print_format_string, (unsigned long) val); break; case 64: -#if BFD_HOST_64BIT_LONG - printf (value_format_64bit, val); +#if BFD_HOST_64BIT_LONG || BFD_HOST_64BIT_LONG_LONG + printf (print_format_string, val); #else /* We have a 64 bit value to print, but the host is only 32 bit. */ if (print_radix == 16) @@ -1390,7 +1586,6 @@ print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd) print_value (abfd, SYM_SIZE (info)); else print_value (abfd, SYM_VALUE (info)); - if (print_size && SYM_SIZE (info)) { printf (" "); @@ -1441,7 +1636,10 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) /* Type, Size, Line, Section */ if (info->elfinfo) printf ("%18s|", - get_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info))); + get_elf_symbol_type (ELF_ST_TYPE (info->elfinfo->internal_elf_sym.st_info))); + else if (info->coffinfo) + printf ("%18s|", + get_coff_symbol_type (&info->coffinfo->native->u.syment)); else printf (" |"); @@ -1457,6 +1655,8 @@ print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd) if (info->elfinfo) printf("| |%s", info->elfinfo->symbol.section->name); + else if (info->coffinfo) + printf("| |%s", info->coffinfo->symbol.section->name); else printf("| |"); } @@ -1497,12 +1697,17 @@ main (int argc, char **argv) program_name = *argv; xmalloc_set_program_name (program_name); + bfd_set_error_program_name (program_name); +#if BFD_SUPPORTS_PLUGINS + bfd_plugin_set_program_name (program_name); +#endif START_PROGRESS (program_name, 0); expandargv (&argc, &argv); - bfd_init (); + if (bfd_init () != BFD_INIT_MAGIC) + fatal (_("fatal error: libbfd ABI mismatch")); set_default_bfd_target (); while ((c = getopt_long (argc, argv, "aABCDef:gHhlnopPrSst:uvVvX:", @@ -1534,6 +1739,12 @@ main (int argc, char **argv) cplus_demangle_set_style (style); } break; + case OPTION_RECURSE_LIMIT: + demangle_flags &= ~ DMGL_NO_RECURSE_LIMIT; + break; + case OPTION_NO_RECURSE_LIMIT: + demangle_flags |= DMGL_NO_RECURSE_LIMIT; + break; case 'D': dynamic = 1; break; @@ -1554,10 +1765,19 @@ 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"); @@ -1596,6 +1816,14 @@ 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; @@ -1633,15 +1861,6 @@ main (int argc, char **argv) END_PROGRESS (program_name); -#ifdef HAVE_SBRK - if (show_stats) - { - char *lim = (char *) sbrk (0); - - non_fatal (_("data size %ld"), (long) (lim - (char *) &environ)); - } -#endif - exit (retval); return retval; }