2236 lines
56 KiB
C
2236 lines
56 KiB
C
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/* nm.c -- Describe symbol table of a rel file.
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Copyright (C) 1991-2022 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
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02110-1301, USA. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "progress.h"
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#include "getopt.h"
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#include "aout/stab_gnu.h"
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#include "aout/ranlib.h"
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#include "demangle.h"
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#include "libiberty.h"
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#include "elf-bfd.h"
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#include "elf/common.h"
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#define DO_NOT_DEFINE_AOUTHDR
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#define DO_NOT_DEFINE_FILHDR
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#define DO_NOT_DEFINE_LINENO
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#define DO_NOT_DEFINE_SCNHDR
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#include "coff/external.h"
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#include "coff/internal.h"
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#include "libcoff.h"
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#include "bucomm.h"
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#include "demanguse.h"
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#include "plugin-api.h"
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#include "plugin.h"
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#include "safe-ctype.h"
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#ifndef streq
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#define streq(a,b) (strcmp ((a),(b)) == 0)
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#endif
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/* When sorting by size, we use this structure to hold the size and a
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pointer to the minisymbol. */
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struct size_sym
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{
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const void *minisym;
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bfd_vma size;
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};
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/* When fetching relocs, we use this structure to pass information to
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get_relocs. */
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struct get_relocs_info
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{
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asection **secs;
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arelent ***relocs;
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long *relcount;
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asymbol **syms;
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};
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struct extended_symbol_info
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{
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symbol_info *sinfo;
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bfd_vma ssize;
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elf_symbol_type *elfinfo;
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coff_symbol_type *coffinfo;
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/* FIXME: We should add more fields for Type, Line, Section. */
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};
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#define SYM_VALUE(sym) (sym->sinfo->value)
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#define SYM_TYPE(sym) (sym->sinfo->type)
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#define SYM_STAB_NAME(sym) (sym->sinfo->stab_name)
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#define SYM_STAB_DESC(sym) (sym->sinfo->stab_desc)
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#define SYM_STAB_OTHER(sym) (sym->sinfo->stab_other)
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#define SYM_SIZE(sym) \
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(sym->elfinfo ? sym->elfinfo->internal_elf_sym.st_size: sym->ssize)
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/* The output formatting functions. */
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static void print_object_filename_bsd (const char *);
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static void print_object_filename_sysv (const char *);
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static void print_object_filename_posix (const char *);
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static void do_not_print_object_filename (const char *);
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static void print_archive_filename_bsd (const char *);
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static void print_archive_filename_sysv (const char *);
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static void print_archive_filename_posix (const char *);
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static void do_not_print_archive_filename (const char *);
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static void print_archive_member_bsd (const char *, const char *);
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static void print_archive_member_sysv (const char *, const char *);
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static void print_archive_member_posix (const char *, const char *);
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static void do_not_print_archive_member (const char *, const char *);
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static void print_symbol_filename_bsd (bfd *, bfd *);
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static void print_symbol_filename_sysv (bfd *, bfd *);
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static void print_symbol_filename_posix (bfd *, bfd *);
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static void do_not_print_symbol_filename (bfd *, bfd *);
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static void print_symbol_info_bsd (struct extended_symbol_info *, bfd *);
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static void print_symbol_info_sysv (struct extended_symbol_info *, bfd *);
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static void print_symbol_info_posix (struct extended_symbol_info *, bfd *);
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static void just_print_symbol_name (struct extended_symbol_info *, bfd *);
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static void print_value (bfd *, bfd_vma);
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/* Support for different output formats. */
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struct output_fns
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{
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/* Print the name of an object file given on the command line. */
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void (*print_object_filename) (const char *);
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/* Print the name of an archive file given on the command line. */
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void (*print_archive_filename) (const char *);
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/* Print the name of an archive member file. */
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void (*print_archive_member) (const char *, const char *);
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/* Print the name of the file (and archive, if there is one)
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containing a symbol. */
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void (*print_symbol_filename) (bfd *, bfd *);
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/* Print a line of information about a symbol. */
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void (*print_symbol_info) (struct extended_symbol_info *, bfd *);
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};
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/* Indices in `formats'. */
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enum formats
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{
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FORMAT_BSD = 0,
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FORMAT_SYSV,
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FORMAT_POSIX,
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FORMAT_JUST_SYMBOLS,
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FORMAT_MAX
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};
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#define FORMAT_DEFAULT FORMAT_BSD
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static struct output_fns formats[FORMAT_MAX] =
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{
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{print_object_filename_bsd,
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print_archive_filename_bsd,
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print_archive_member_bsd,
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print_symbol_filename_bsd,
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print_symbol_info_bsd},
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{print_object_filename_sysv,
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print_archive_filename_sysv,
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print_archive_member_sysv,
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print_symbol_filename_sysv,
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print_symbol_info_sysv},
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{print_object_filename_posix,
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print_archive_filename_posix,
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print_archive_member_posix,
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print_symbol_filename_posix,
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print_symbol_info_posix},
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{do_not_print_object_filename,
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do_not_print_archive_filename,
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do_not_print_archive_member,
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do_not_print_symbol_filename,
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just_print_symbol_name}
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};
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/* The output format to use. */
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static struct output_fns *format = &formats[FORMAT_DEFAULT];
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static unsigned int print_format = FORMAT_DEFAULT;
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static const char *print_format_string = NULL;
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/* Command options. */
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static int do_demangle = 0; /* Pretty print C++ symbol names. */
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static int external_only = 0; /* Print external symbols only. */
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static int defined_only = 0; /* Print defined symbols only. */
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static int no_sort = 0; /* Don't sort; print syms in order found. */
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static int print_debug_syms = 0;/* Print debugger-only symbols too. */
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static int print_armap = 0; /* Describe __.SYMDEF data in archive files. */
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static int print_size = 0; /* Print size of defined symbols. */
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static int reverse_sort = 0; /* Sort in downward(alpha or numeric) order. */
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static int sort_numerically = 0;/* Sort in numeric rather than alpha order. */
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static int sort_by_size = 0; /* Sort by size of symbol. */
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static int undefined_only = 0; /* Print undefined symbols only. */
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static int dynamic = 0; /* Print dynamic symbols. */
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static int show_version = 0; /* Show the version number. */
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static int show_synthetic = 0; /* Display synthesized symbols too. */
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static int line_numbers = 0; /* Print line numbers for symbols. */
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static int allow_special_symbols = 0; /* Allow special symbols. */
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static int with_symbol_versions = -1; /* Output symbol version information. */
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static int quiet = 0; /* Suppress "no symbols" diagnostic. */
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/* The characters to use for global and local ifunc symbols. */
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#if DEFAULT_F_FOR_IFUNC_SYMBOLS
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static const char * ifunc_type_chars = "Ff";
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#else
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static const char * ifunc_type_chars = NULL;
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#endif
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static int demangle_flags = DMGL_ANSI | DMGL_PARAMS;
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/* When to print the names of files. Not mutually exclusive in SYSV format. */
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static int filename_per_file = 0; /* Once per file, on its own line. */
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static int filename_per_symbol = 0; /* Once per symbol, at start of line. */
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static int print_width = 0;
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static int print_radix = 16;
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/* Print formats for printing stab info. */
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static char other_format[] = "%02x";
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static char desc_format[] = "%04x";
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static char *target = NULL;
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#if BFD_SUPPORTS_PLUGINS
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static const char *plugin_target = "plugin";
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#else
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static const char *plugin_target = NULL;
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#endif
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/* Used to cache the line numbers for a BFD. */
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static bfd *lineno_cache_bfd;
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static bfd *lineno_cache_rel_bfd;
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typedef enum unicode_display_type
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{
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unicode_default = 0,
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unicode_locale,
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unicode_escape,
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unicode_hex,
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unicode_highlight,
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unicode_invalid
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} unicode_display_type;
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static unicode_display_type unicode_display = unicode_default;
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enum long_option_values
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{
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OPTION_TARGET = 200,
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OPTION_PLUGIN,
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OPTION_SIZE_SORT,
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OPTION_RECURSE_LIMIT,
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OPTION_NO_RECURSE_LIMIT,
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OPTION_IFUNC_CHARS,
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OPTION_QUIET
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};
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static struct option long_options[] =
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{
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{"debug-syms", no_argument, &print_debug_syms, 1},
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{"demangle", optional_argument, 0, 'C'},
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{"dynamic", no_argument, &dynamic, 1},
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{"extern-only", no_argument, &external_only, 1},
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{"format", required_argument, 0, 'f'},
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{"help", no_argument, 0, 'h'},
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{"ifunc-chars", required_argument, 0, OPTION_IFUNC_CHARS},
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{"just-symbols", no_argument, 0, 'j'},
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{"line-numbers", no_argument, 0, 'l'},
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{"no-cplus", no_argument, &do_demangle, 0}, /* Linux compatibility. */
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{"no-demangle", no_argument, &do_demangle, 0},
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{"no-recurse-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
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{"no-recursion-limit", no_argument, NULL, OPTION_NO_RECURSE_LIMIT},
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{"no-sort", no_argument, 0, 'p'},
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{"numeric-sort", no_argument, 0, 'n'},
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{"plugin", required_argument, 0, OPTION_PLUGIN},
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{"portability", no_argument, 0, 'P'},
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{"print-armap", no_argument, &print_armap, 1},
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{"print-file-name", no_argument, 0, 'o'},
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{"print-size", no_argument, 0, 'S'},
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{"quiet", no_argument, 0, OPTION_QUIET},
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{"radix", required_argument, 0, 't'},
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{"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
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{"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
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{"reverse-sort", no_argument, &reverse_sort, 1},
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{"size-sort", no_argument, 0, OPTION_SIZE_SORT},
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{"special-syms", no_argument, &allow_special_symbols, 1},
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{"synthetic", no_argument, &show_synthetic, 1},
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{"target", required_argument, 0, OPTION_TARGET},
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{"defined-only", no_argument, &defined_only, 1},
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{"undefined-only", no_argument, &undefined_only, 1},
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{"unicode", required_argument, NULL, 'U'},
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{"version", no_argument, &show_version, 1},
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{"with-symbol-versions", no_argument, &with_symbol_versions, 1},
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{"without-symbol-versions", no_argument, &with_symbol_versions, 0},
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{0, no_argument, 0, 0}
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};
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/* Some error-reporting functions. */
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ATTRIBUTE_NORETURN static void
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usage (FILE *stream, int status)
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{
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fprintf (stream, _("Usage: %s [option(s)] [file(s)]\n"), program_name);
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fprintf (stream, _(" List symbols in [file(s)] (a.out by default).\n"));
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fprintf (stream, _(" The options are:\n"));
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fprintf (stream, _("\
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-a, --debug-syms Display debugger-only symbols\n"));
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fprintf (stream, _("\
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-A, --print-file-name Print name of the input file before every symbol\n"));
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fprintf (stream, _("\
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-B Same as --format=bsd\n"));
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fprintf (stream, _("\
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-C, --demangle[=STYLE] Decode mangled/processed symbol names\n"));
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display_demangler_styles (stream, _("\
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|
STYLE can be "));
|
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fprintf (stream, _("\
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|
--no-demangle Do not demangle low-level symbol names\n"));
|
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|
fprintf (stream, _("\
|
|||
|
--recurse-limit Enable a demangling recursion limit. (default)\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--no-recurse-limit Disable a demangling recursion limit.\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-D, --dynamic Display dynamic symbols instead of normal symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--defined-only Display only defined symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-e (ignored)\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-f, --format=FORMAT Use the output format FORMAT. FORMAT can be `bsd',\n\
|
|||
|
`sysv', `posix' or 'just-symbols'.\n\
|
|||
|
The default is `bsd'\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-g, --extern-only Display only external symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--ifunc-chars=CHARS Characters to use when displaying ifunc symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-j, --just-symbols Same as --format=just-symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-l, --line-numbers Use debugging information to find a filename and\n\
|
|||
|
line number for each symbol\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-n, --numeric-sort Sort symbols numerically by address\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-o Same as -A\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-p, --no-sort Do not sort the symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-P, --portability Same as --format=posix\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-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"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-s, --print-armap Include index for symbols from archive members\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--quiet Suppress \"no symbols\" diagnostic\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--size-sort Sort symbols by size\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--special-syms Include special symbols in the output\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--synthetic Display synthetic symbols as well\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-t, --radix=RADIX Use RADIX for printing symbol values\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--target=BFDNAME Specify the target object format as BFDNAME\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-u, --undefined-only Display only undefined symbols\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-U {d|s|i|x|e|h} Specify how to treat UTF-8 encoded unicode characters\n\
|
|||
|
--unicode={default|show|invalid|hex|escape|highlight}\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
--with-symbol-versions Display version strings after symbol names\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-X 32_64 (ignored)\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
@FILE Read options from FILE\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-h, --help Display this information\n"));
|
|||
|
fprintf (stream, _("\
|
|||
|
-V, --version Display this program's version number\n"));
|
|||
|
|
|||
|
list_supported_targets (program_name, stream);
|
|||
|
if (REPORT_BUGS_TO[0] && status == 0)
|
|||
|
fprintf (stream, _("Report bugs to %s.\n"), REPORT_BUGS_TO);
|
|||
|
exit (status);
|
|||
|
}
|
|||
|
|
|||
|
/* Set the radix for the symbol value and size according to RADIX. */
|
|||
|
|
|||
|
static void
|
|||
|
set_print_radix (char *radix)
|
|||
|
{
|
|||
|
switch (*radix)
|
|||
|
{
|
|||
|
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
|
|||
|
set_output_format (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;
|
|||
|
case 'j':
|
|||
|
case 'J':
|
|||
|
i = FORMAT_JUST_SYMBOLS;
|
|||
|
break;
|
|||
|
default:
|
|||
|
fatal (_("%s: invalid output format"), f);
|
|||
|
}
|
|||
|
format = &formats[i];
|
|||
|
print_format = i;
|
|||
|
}
|
|||
|
|
|||
|
static const char *
|
|||
|
get_elf_symbol_type (unsigned int type)
|
|||
|
{
|
|||
|
static char *bufp;
|
|||
|
int n;
|
|||
|
|
|||
|
switch (type)
|
|||
|
{
|
|||
|
case STT_NOTYPE: return "NOTYPE";
|
|||
|
case STT_OBJECT: return "OBJECT";
|
|||
|
case STT_FUNC: return "FUNC";
|
|||
|
case STT_SECTION: return "SECTION";
|
|||
|
case STT_FILE: return "FILE";
|
|||
|
case STT_COMMON: return "COMMON";
|
|||
|
case STT_TLS: return "TLS";
|
|||
|
}
|
|||
|
|
|||
|
free (bufp);
|
|||
|
if (type >= STT_LOPROC && type <= STT_HIPROC)
|
|||
|
n = asprintf (&bufp, _("<processor specific>: %d"), type);
|
|||
|
else if (type >= STT_LOOS && type <= STT_HIOS)
|
|||
|
n = asprintf (&bufp, _("<OS specific>: %d"), type);
|
|||
|
else
|
|||
|
n = asprintf (&bufp, _("<unknown>: %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, _("<unknown>: %d/%d"), sym->n_sclass, sym->n_type);
|
|||
|
if (n < 0)
|
|||
|
fatal ("%s", xstrerror (errno));
|
|||
|
return bufp;
|
|||
|
}
|
|||
|
|
|||
|
/* Convert a potential UTF-8 encoded sequence in IN into characters in OUT.
|
|||
|
The conversion format is controlled by the unicode_display variable.
|
|||
|
Returns the number of characters added to OUT.
|
|||
|
Returns the number of bytes consumed from IN in CONSUMED.
|
|||
|
Always consumes at least one byte and displays at least one character. */
|
|||
|
|
|||
|
static unsigned int
|
|||
|
display_utf8 (const unsigned char * in, char * out, unsigned int * consumed)
|
|||
|
{
|
|||
|
char * orig_out = out;
|
|||
|
unsigned int nchars = 0;
|
|||
|
unsigned int j;
|
|||
|
|
|||
|
if (unicode_display == unicode_default)
|
|||
|
goto invalid;
|
|||
|
|
|||
|
if (in[0] < 0xc0)
|
|||
|
goto invalid;
|
|||
|
|
|||
|
if ((in[1] & 0xc0) != 0x80)
|
|||
|
goto invalid;
|
|||
|
|
|||
|
if ((in[0] & 0x20) == 0)
|
|||
|
{
|
|||
|
nchars = 2;
|
|||
|
goto valid;
|
|||
|
}
|
|||
|
|
|||
|
if ((in[2] & 0xc0) != 0x80)
|
|||
|
goto invalid;
|
|||
|
|
|||
|
if ((in[0] & 0x10) == 0)
|
|||
|
{
|
|||
|
nchars = 3;
|
|||
|
goto valid;
|
|||
|
}
|
|||
|
|
|||
|
if ((in[3] & 0xc0) != 0x80)
|
|||
|
goto invalid;
|
|||
|
|
|||
|
nchars = 4;
|
|||
|
|
|||
|
valid:
|
|||
|
switch (unicode_display)
|
|||
|
{
|
|||
|
case unicode_locale:
|
|||
|
/* Copy the bytes into the output buffer as is. */
|
|||
|
memcpy (out, in, nchars);
|
|||
|
out += nchars;
|
|||
|
break;
|
|||
|
|
|||
|
case unicode_invalid:
|
|||
|
case unicode_hex:
|
|||
|
out += sprintf (out, "%c", unicode_display == unicode_hex ? '<' : '{');
|
|||
|
out += sprintf (out, "0x");
|
|||
|
for (j = 0; j < nchars; j++)
|
|||
|
out += sprintf (out, "%02x", in [j]);
|
|||
|
out += sprintf (out, "%c", unicode_display == unicode_hex ? '>' : '}');
|
|||
|
break;
|
|||
|
|
|||
|
case unicode_highlight:
|
|||
|
if (isatty (1))
|
|||
|
out += sprintf (out, "\x1B[31;47m"); /* Red. */
|
|||
|
/* Fall through. */
|
|||
|
case unicode_escape:
|
|||
|
switch (nchars)
|
|||
|
{
|
|||
|
case 2:
|
|||
|
out += sprintf (out, "\\u%02x%02x",
|
|||
|
((in[0] & 0x1c) >> 2),
|
|||
|
((in[0] & 0x03) << 6) | (in[1] & 0x3f));
|
|||
|
break;
|
|||
|
|
|||
|
case 3:
|
|||
|
out += sprintf (out, "\\u%02x%02x",
|
|||
|
((in[0] & 0x0f) << 4) | ((in[1] & 0x3c) >> 2),
|
|||
|
((in[1] & 0x03) << 6) | ((in[2] & 0x3f)));
|
|||
|
break;
|
|||
|
|
|||
|
case 4:
|
|||
|
out += sprintf (out, "\\u%02x%02x%02x",
|
|||
|
((in[0] & 0x07) << 6) | ((in[1] & 0x3c) >> 2),
|
|||
|
((in[1] & 0x03) << 6) | ((in[2] & 0x3c) >> 2),
|
|||
|
((in[2] & 0x03) << 6) | ((in[3] & 0x3f)));
|
|||
|
break;
|
|||
|
default:
|
|||
|
/* URG. */
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
if (unicode_display == unicode_highlight && isatty (1))
|
|||
|
out += sprintf (out, "\033[0m"); /* Default colour. */
|
|||
|
break;
|
|||
|
|
|||
|
default:
|
|||
|
/* URG */
|
|||
|
break;
|
|||
|
}
|
|||
|
|
|||
|
* consumed = nchars;
|
|||
|
return out - orig_out;
|
|||
|
|
|||
|
invalid:
|
|||
|
/* Not a valid UTF-8 sequence. */
|
|||
|
*out = *in;
|
|||
|
* consumed = 1;
|
|||
|
return 1;
|
|||
|
}
|
|||
|
|
|||
|
/* Convert any UTF-8 encoded characters in NAME into the form specified by
|
|||
|
unicode_display. Also converts control characters. Returns a static
|
|||
|
buffer if conversion was necessary.
|
|||
|
Code stolen from objdump.c:sanitize_string(). */
|
|||
|
|
|||
|
static const char *
|
|||
|
convert_utf8 (const char * in)
|
|||
|
{
|
|||
|
static char * buffer = NULL;
|
|||
|
static size_t buffer_len = 0;
|
|||
|
const char * original = in;
|
|||
|
char * out;
|
|||
|
|
|||
|
/* Paranoia. */
|
|||
|
if (in == NULL)
|
|||
|
return "";
|
|||
|
|
|||
|
/* See if any conversion is necessary.
|
|||
|
In the majority of cases it will not be needed. */
|
|||
|
do
|
|||
|
{
|
|||
|
unsigned char c = *in++;
|
|||
|
|
|||
|
if (c == 0)
|
|||
|
return original;
|
|||
|
|
|||
|
if (ISCNTRL (c))
|
|||
|
break;
|
|||
|
|
|||
|
if (unicode_display != unicode_default && c >= 0xc0)
|
|||
|
break;
|
|||
|
}
|
|||
|
while (1);
|
|||
|
|
|||
|
/* Copy the input, translating as needed. */
|
|||
|
in = original;
|
|||
|
if (buffer_len < (strlen (in) * 9))
|
|||
|
{
|
|||
|
free ((void *) buffer);
|
|||
|
buffer_len = strlen (in) * 9;
|
|||
|
buffer = xmalloc (buffer_len + 1);
|
|||
|
}
|
|||
|
|
|||
|
out = buffer;
|
|||
|
do
|
|||
|
{
|
|||
|
unsigned char c = *in++;
|
|||
|
|
|||
|
if (c == 0)
|
|||
|
break;
|
|||
|
|
|||
|
if (ISCNTRL (c))
|
|||
|
{
|
|||
|
*out++ = '^';
|
|||
|
*out++ = c + 0x40;
|
|||
|
}
|
|||
|
else if (unicode_display != unicode_default && c >= 0xc0)
|
|||
|
{
|
|||
|
unsigned int num_consumed;
|
|||
|
|
|||
|
out += display_utf8 ((const unsigned char *)(in - 1), out, & num_consumed);
|
|||
|
in += num_consumed - 1;
|
|||
|
}
|
|||
|
else
|
|||
|
*out++ = c;
|
|||
|
}
|
|||
|
while (1);
|
|||
|
|
|||
|
*out = 0;
|
|||
|
return buffer;
|
|||
|
}
|
|||
|
|
|||
|
/* Print symbol name NAME, read from ABFD, with printf format FORM,
|
|||
|
demangling it if requested. */
|
|||
|
|
|||
|
static void
|
|||
|
print_symname (const char *form, struct extended_symbol_info *info,
|
|||
|
const char *name, bfd *abfd)
|
|||
|
{
|
|||
|
char *alloc = NULL;
|
|||
|
char *atver = NULL;
|
|||
|
|
|||
|
if (name == NULL)
|
|||
|
name = info->sinfo->name;
|
|||
|
|
|||
|
if (!with_symbol_versions
|
|||
|
&& bfd_get_flavour (abfd) == bfd_target_elf_flavour)
|
|||
|
{
|
|||
|
atver = strchr (name, '@');
|
|||
|
if (atver)
|
|||
|
*atver = 0;
|
|||
|
}
|
|||
|
|
|||
|
if (do_demangle && *name)
|
|||
|
{
|
|||
|
alloc = bfd_demangle (abfd, name, demangle_flags);
|
|||
|
if (alloc != NULL)
|
|||
|
name = alloc;
|
|||
|
}
|
|||
|
|
|||
|
if (unicode_display != unicode_default)
|
|||
|
{
|
|||
|
name = convert_utf8 (name);
|
|||
|
}
|
|||
|
|
|||
|
if (info != NULL && info->elfinfo && with_symbol_versions)
|
|||
|
{
|
|||
|
const char *version_string;
|
|||
|
bool hidden;
|
|||
|
|
|||
|
version_string
|
|||
|
= bfd_get_symbol_version_string (abfd, &info->elfinfo->symbol,
|
|||
|
false, &hidden);
|
|||
|
if (version_string && version_string[0])
|
|||
|
{
|
|||
|
const char *at = "@@";
|
|||
|
if (hidden || bfd_is_und_section (info->elfinfo->symbol.section))
|
|||
|
at = "@";
|
|||
|
alloc = reconcat (alloc, name, at, version_string, NULL);
|
|||
|
if (alloc != NULL)
|
|||
|
name = alloc;
|
|||
|
}
|
|||
|
}
|
|||
|
printf (form, name);
|
|||
|
if (atver)
|
|||
|
*atver = '@';
|
|||
|
free (alloc);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_symdef_entry (bfd *abfd)
|
|||
|
{
|
|||
|
symindex idx = BFD_NO_MORE_SYMBOLS;
|
|||
|
carsym *thesym;
|
|||
|
bool 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", NULL, thesym->name, abfd);
|
|||
|
printf (" in %s\n", bfd_get_filename (elt));
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* True when we can report missing plugin error. */
|
|||
|
bool 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, bool is_dynamic, void *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, is_dynamic, (const void *) from, store);
|
|||
|
if (sym == NULL)
|
|||
|
bfd_fatal (bfd_get_filename (abfd));
|
|||
|
|
|||
|
if (sym->name != NULL
|
|||
|
&& 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)
|
|||
|
/* 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
|
|||
|
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
|
|||
|
&& bfd_is_target_special_symbol (abfd, sym)
|
|||
|
&& ! allow_special_symbols)
|
|||
|
keep = 0;
|
|||
|
|
|||
|
if (keep)
|
|||
|
{
|
|||
|
if (to != from)
|
|||
|
memcpy (to, from, size);
|
|||
|
to += size;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
return (to - (bfd_byte *) minisyms) / size;
|
|||
|
}
|
|||
|
|
|||
|
/* These globals are used to pass information into the sorting
|
|||
|
routines. */
|
|||
|
static bfd *sort_bfd;
|
|||
|
static bool 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
|
|||
|
non_numeric_forward (const void *P_x, const void *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);
|
|||
|
|
|||
|
if (yn == NULL)
|
|||
|
return xn != NULL;
|
|||
|
if (xn == NULL)
|
|||
|
return -1;
|
|||
|
|
|||
|
/* Solaris 2.5 has a bug in strcoll.
|
|||
|
strcoll returns invalid values when confronted with empty strings. */
|
|||
|
if (*yn == '\0')
|
|||
|
return *xn != '\0';
|
|||
|
if (*xn == '\0')
|
|||
|
return -1;
|
|||
|
|
|||
|
return strcoll (xn, yn);
|
|||
|
}
|
|||
|
|
|||
|
static int
|
|||
|
non_numeric_reverse (const void *x, const void *y)
|
|||
|
{
|
|||
|
return - non_numeric_forward (x, y);
|
|||
|
}
|
|||
|
|
|||
|
static int
|
|||
|
numeric_forward (const void *P_x, const void *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_asymbol_section (x);
|
|||
|
ys = bfd_asymbol_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 (const void *x, const void *y)
|
|||
|
{
|
|||
|
return - numeric_forward (x, y);
|
|||
|
}
|
|||
|
|
|||
|
static int (*(sorters[2][2])) (const void *, const void *) =
|
|||
|
{
|
|||
|
{ 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 (const void *P_x, const void *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_asymbol_section (x);
|
|||
|
ys = bfd_asymbol_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 \
|
|||
|
|| ((snl) > 2 \
|
|||
|
&& (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 (const void *P_x, const void *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. ELF provides a size but for other formats
|
|||
|
we have to make a guess by assuming that the difference between the
|
|||
|
address of a symbol and the address of the next higher symbol is the
|
|||
|
size. */
|
|||
|
|
|||
|
static long
|
|||
|
sort_symbols_by_size (bfd *abfd, bool is_dynamic, void *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, is_dynamic, (const void *) 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,
|
|||
|
is_dynamic,
|
|||
|
(const void *) (from + size),
|
|||
|
store_next);
|
|||
|
if (next == NULL)
|
|||
|
bfd_fatal (bfd_get_filename (abfd));
|
|||
|
}
|
|||
|
else
|
|||
|
next = NULL;
|
|||
|
|
|||
|
sec = bfd_asymbol_section (sym);
|
|||
|
|
|||
|
/* 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 ((sym->flags & (BSF_SECTION_SYM | BSF_SYNTHETIC)) == 0
|
|||
|
&& bfd_is_com_section (sec))
|
|||
|
sz = sym->value;
|
|||
|
else
|
|||
|
{
|
|||
|
if (from + size < fromend
|
|||
|
&& sec == bfd_asymbol_section (next))
|
|||
|
sz = valueof (next) - valueof (sym);
|
|||
|
else
|
|||
|
sz = (bfd_section_vma (sec)
|
|||
|
+ bfd_section_size (sec)
|
|||
|
- valueof (sym));
|
|||
|
}
|
|||
|
|
|||
|
if (sz != 0)
|
|||
|
{
|
|||
|
symsizes->minisym = (const void *) 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 ((void *) *symsizesp, symcount, sizeof (struct size_sym), size_forward2);
|
|||
|
|
|||
|
return symcount;
|
|||
|
}
|
|||
|
|
|||
|
/* This function is used to get the relocs for a particular section.
|
|||
|
It is called via bfd_map_over_sections. */
|
|||
|
|
|||
|
static void
|
|||
|
get_relocs (bfd *abfd, asection *sec, void *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;
|
|||
|
}
|
|||
|
|
|||
|
/* Print a single symbol. */
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol (bfd * abfd,
|
|||
|
asymbol * sym,
|
|||
|
bfd_vma ssize,
|
|||
|
bfd * archive_bfd)
|
|||
|
{
|
|||
|
symbol_info syminfo;
|
|||
|
struct extended_symbol_info info;
|
|||
|
|
|||
|
PROGRESS (1);
|
|||
|
|
|||
|
format->print_symbol_filename (archive_bfd, abfd);
|
|||
|
|
|||
|
bfd_get_symbol_info (abfd, sym, &syminfo);
|
|||
|
|
|||
|
/* PR 22967 - Distinguish between local and global ifunc symbols. */
|
|||
|
if (syminfo.type == 'i'
|
|||
|
&& sym->flags & BSF_GNU_INDIRECT_FUNCTION)
|
|||
|
{
|
|||
|
if (ifunc_type_chars == NULL || ifunc_type_chars[0] == 0)
|
|||
|
; /* Change nothing. */
|
|||
|
else if (sym->flags & BSF_GLOBAL)
|
|||
|
syminfo.type = ifunc_type_chars[0];
|
|||
|
else if (ifunc_type_chars[1] != 0)
|
|||
|
syminfo.type = ifunc_type_chars[1];
|
|||
|
}
|
|||
|
|
|||
|
info.sinfo = &syminfo;
|
|||
|
info.ssize = ssize;
|
|||
|
/* 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 = elf_symbol_from (sym);
|
|||
|
info.coffinfo = coff_symbol_from (sym);
|
|||
|
}
|
|||
|
|
|||
|
format->print_symbol_info (&info, 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_asymbol_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 rinfo;
|
|||
|
|
|||
|
seccount = bfd_count_sections (abfd);
|
|||
|
|
|||
|
secs = (asection **) xmalloc (seccount * sizeof *secs);
|
|||
|
relocs = (arelent ***) xmalloc (seccount * sizeof *relocs);
|
|||
|
relcount = (long *) xmalloc (seccount * sizeof *relcount);
|
|||
|
|
|||
|
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;
|
|||
|
}
|
|||
|
|
|||
|
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)
|
|||
|
&& filename != NULL)
|
|||
|
{
|
|||
|
/* We only print the first one we find. */
|
|||
|
printf ("\t%s:%u", filename, lineno);
|
|||
|
i = seccount;
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
else if (bfd_asymbol_section (sym)->owner == abfd)
|
|||
|
{
|
|||
|
if ((bfd_find_line (abfd, syms, sym, &filename, &lineno)
|
|||
|
|| bfd_find_nearest_line (abfd, bfd_asymbol_section (sym),
|
|||
|
syms, sym->value, &filename,
|
|||
|
&functionname, &lineno))
|
|||
|
&& filename != NULL
|
|||
|
&& lineno != 0)
|
|||
|
printf ("\t%s:%u", filename, lineno);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
putchar ('\n');
|
|||
|
}
|
|||
|
|
|||
|
/* Print the symbols when sorting by size. */
|
|||
|
|
|||
|
static void
|
|||
|
print_size_symbols (bfd *abfd,
|
|||
|
bool is_dynamic,
|
|||
|
struct size_sym *symsizes,
|
|||
|
long symcount,
|
|||
|
bfd *archive_bfd)
|
|||
|
{
|
|||
|
asymbol *store;
|
|||
|
struct size_sym *from;
|
|||
|
struct size_sym *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, is_dynamic, from->minisym, store);
|
|||
|
if (sym == NULL)
|
|||
|
bfd_fatal (bfd_get_filename (abfd));
|
|||
|
|
|||
|
print_symbol (abfd, sym, from->size, archive_bfd);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* 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,
|
|||
|
bool is_dynamic,
|
|||
|
void *minisyms,
|
|||
|
long symcount,
|
|||
|
unsigned int size,
|
|||
|
bfd *archive_bfd)
|
|||
|
{
|
|||
|
asymbol *store;
|
|||
|
bfd_byte *from;
|
|||
|
bfd_byte *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, is_dynamic, from, store);
|
|||
|
if (sym == NULL)
|
|||
|
bfd_fatal (bfd_get_filename (abfd));
|
|||
|
|
|||
|
print_symbol (abfd, sym, (bfd_vma) 0, archive_bfd);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* If ARCHIVE_BFD is non-NULL, it is the archive containing ABFD. */
|
|||
|
|
|||
|
static void
|
|||
|
display_rel_file (bfd *abfd, bfd *archive_bfd)
|
|||
|
{
|
|||
|
long symcount;
|
|||
|
void *minisyms;
|
|||
|
unsigned int size;
|
|||
|
struct size_sym *symsizes;
|
|||
|
asymbol *synthsyms = NULL;
|
|||
|
|
|||
|
if (! dynamic)
|
|||
|
{
|
|||
|
if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
|
|||
|
{
|
|||
|
if (!quiet)
|
|||
|
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
|
|||
|
return;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
symcount = bfd_read_minisymbols (abfd, dynamic, &minisyms, &size);
|
|||
|
if (symcount < 0)
|
|||
|
{
|
|||
|
if (dynamic && bfd_get_error () == bfd_error_no_symbols)
|
|||
|
{
|
|||
|
if (!quiet)
|
|||
|
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
bfd_fatal (bfd_get_filename (abfd));
|
|||
|
}
|
|||
|
|
|||
|
if (symcount == 0)
|
|||
|
{
|
|||
|
if (!quiet)
|
|||
|
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
|
|||
|
return;
|
|||
|
}
|
|||
|
|
|||
|
if (show_synthetic && size == sizeof (asymbol *))
|
|||
|
{
|
|||
|
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 = (asymbol **) minisyms;
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
long storage = bfd_get_dynamic_symtab_upper_bound (abfd);
|
|||
|
|
|||
|
static_count = symcount;
|
|||
|
static_syms = (asymbol **) minisyms;
|
|||
|
|
|||
|
if (storage > 0)
|
|||
|
{
|
|||
|
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;
|
|||
|
long i;
|
|||
|
|
|||
|
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;
|
|||
|
symcount += synth_count;
|
|||
|
}
|
|||
|
if (!dynamic && dyn_syms != NULL)
|
|||
|
free (dyn_syms);
|
|||
|
}
|
|||
|
|
|||
|
/* 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). */
|
|||
|
|
|||
|
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);
|
|||
|
|
|||
|
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 || print_format == FORMAT_JUST_SYMBOLS)
|
|||
|
{
|
|||
|
/* 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
|
|||
|
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;
|
|||
|
}
|
|||
|
free ((char *) print_format_string);
|
|||
|
print_format_string = get_print_format ();
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
display_archive (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))
|
|||
|
{
|
|||
|
set_print_width (arfile);
|
|||
|
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;
|
|||
|
if (arfile == last_arfile)
|
|||
|
return;
|
|||
|
}
|
|||
|
last_arfile = arfile;
|
|||
|
}
|
|||
|
|
|||
|
if (last_arfile != NULL)
|
|||
|
{
|
|||
|
bfd_close (last_arfile);
|
|||
|
lineno_cache_bfd = NULL;
|
|||
|
lineno_cache_rel_bfd = NULL;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static bool
|
|||
|
display_file (char *filename)
|
|||
|
{
|
|||
|
bool retval = true;
|
|||
|
bfd *file;
|
|||
|
char **matching;
|
|||
|
|
|||
|
if (get_file_size (filename) < 1)
|
|||
|
return false;
|
|||
|
|
|||
|
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))
|
|||
|
{
|
|||
|
set_print_width (file);
|
|||
|
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))
|
|||
|
bfd_fatal (filename);
|
|||
|
|
|||
|
lineno_cache_bfd = NULL;
|
|||
|
lineno_cache_rel_bfd = NULL;
|
|||
|
|
|||
|
return retval;
|
|||
|
}
|
|||
|
|
|||
|
/* 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 (const char *filename)
|
|||
|
{
|
|||
|
if (filename_per_file && !filename_per_symbol)
|
|||
|
printf ("\n%s:\n", filename);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_object_filename_sysv (const char *filename)
|
|||
|
{
|
|||
|
if (undefined_only)
|
|||
|
printf (_("\n\nUndefined symbols from %s:\n\n"), filename);
|
|||
|
else
|
|||
|
printf (_("\n\nSymbols from %s:\n\n"), filename);
|
|||
|
if (print_width == 32)
|
|||
|
printf (_("\
|
|||
|
Name Value Class Type Size Line Section\n\n"));
|
|||
|
else
|
|||
|
printf (_("\
|
|||
|
Name Value Class Type Size Line Section\n\n"));
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_object_filename_posix (const char *filename)
|
|||
|
{
|
|||
|
if (filename_per_file && !filename_per_symbol)
|
|||
|
printf ("%s:\n", filename);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
do_not_print_object_filename (const char *filename ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
/* Print the name of an archive file given on the command line. */
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_filename_bsd (const char *filename)
|
|||
|
{
|
|||
|
if (filename_per_file)
|
|||
|
printf ("\n%s:\n", filename);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_filename_sysv (const char *filename ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_filename_posix (const char *filename ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
do_not_print_archive_filename (const char *filename ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
/* Print the name of an archive member file. */
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_member_bsd (const char *archive ATTRIBUTE_UNUSED,
|
|||
|
const char *filename)
|
|||
|
{
|
|||
|
if (!filename_per_symbol)
|
|||
|
printf ("\n%s:\n", filename);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_member_sysv (const 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);
|
|||
|
if (print_width == 32)
|
|||
|
printf (_("\
|
|||
|
Name Value Class Type Size Line Section\n\n"));
|
|||
|
else
|
|||
|
printf (_("\
|
|||
|
Name Value Class Type Size Line Section\n\n"));
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_archive_member_posix (const char *archive, const char *filename)
|
|||
|
{
|
|||
|
if (!filename_per_symbol)
|
|||
|
printf ("%s[%s]:\n", archive, filename);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
do_not_print_archive_member (const char *archive ATTRIBUTE_UNUSED,
|
|||
|
const char *filename ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Print the name of the file (and archive, if there is one)
|
|||
|
containing a symbol. */
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol_filename_bsd (bfd *archive_bfd, 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 (bfd *archive_bfd, 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 (bfd *archive_bfd, 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));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
do_not_print_symbol_filename (bfd *archive_bfd ATTRIBUTE_UNUSED,
|
|||
|
bfd *abfd ATTRIBUTE_UNUSED)
|
|||
|
{
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
/* Print a symbol value. */
|
|||
|
|
|||
|
static void
|
|||
|
print_value (bfd *abfd ATTRIBUTE_UNUSED, bfd_vma val)
|
|||
|
{
|
|||
|
switch (print_width)
|
|||
|
{
|
|||
|
case 32:
|
|||
|
printf (print_format_string, (unsigned long) val);
|
|||
|
break;
|
|||
|
|
|||
|
case 64:
|
|||
|
#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)
|
|||
|
bfd_fprintf_vma (abfd, 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
|
|||
|
break;
|
|||
|
|
|||
|
default:
|
|||
|
fatal (_("Print width has not been initialized (%d)"), print_width);
|
|||
|
break;
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
/* Print a line of information about a symbol. */
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol_info_bsd (struct extended_symbol_info *info, bfd *abfd)
|
|||
|
{
|
|||
|
if (bfd_is_undefined_symclass (SYM_TYPE (info)))
|
|||
|
{
|
|||
|
if (print_width == 64)
|
|||
|
printf (" ");
|
|||
|
printf (" ");
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
/* Normally we print the value of the symbol. If we are printing the
|
|||
|
size or sorting by size then we print its size, except for the
|
|||
|
(weird) special case where both flags are defined, in which case we
|
|||
|
print both values. This conforms to documented behaviour. */
|
|||
|
if (sort_by_size && !print_size)
|
|||
|
print_value (abfd, SYM_SIZE (info));
|
|||
|
else
|
|||
|
print_value (abfd, SYM_VALUE (info));
|
|||
|
if (print_size && SYM_SIZE (info))
|
|||
|
{
|
|||
|
printf (" ");
|
|||
|
print_value (abfd, SYM_SIZE (info));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
printf (" %c", SYM_TYPE (info));
|
|||
|
|
|||
|
if (SYM_TYPE (info) == '-')
|
|||
|
{
|
|||
|
/* A stab. */
|
|||
|
printf (" ");
|
|||
|
printf (other_format, SYM_STAB_OTHER (info));
|
|||
|
printf (" ");
|
|||
|
printf (desc_format, SYM_STAB_DESC (info));
|
|||
|
printf (" %5s", SYM_STAB_NAME (info));
|
|||
|
}
|
|||
|
print_symname (" %s", info, NULL, abfd);
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol_info_sysv (struct extended_symbol_info *info, bfd *abfd)
|
|||
|
{
|
|||
|
print_symname ("%-20s|", info, NULL, abfd);
|
|||
|
|
|||
|
if (bfd_is_undefined_symclass (SYM_TYPE (info)))
|
|||
|
{
|
|||
|
if (print_width == 32)
|
|||
|
printf (" ");
|
|||
|
else
|
|||
|
printf (" ");
|
|||
|
}
|
|||
|
else
|
|||
|
print_value (abfd, SYM_VALUE (info));
|
|||
|
|
|||
|
printf ("| %c |", SYM_TYPE (info));
|
|||
|
|
|||
|
if (SYM_TYPE (info) == '-')
|
|||
|
{
|
|||
|
/* A stab. */
|
|||
|
printf ("%18s| ", SYM_STAB_NAME (info)); /* (C) Type. */
|
|||
|
printf (desc_format, SYM_STAB_DESC (info)); /* Size. */
|
|||
|
printf ("| |"); /* Line, Section. */
|
|||
|
}
|
|||
|
else
|
|||
|
{
|
|||
|
/* Type, Size, Line, Section */
|
|||
|
if (info->elfinfo)
|
|||
|
printf ("%18s|",
|
|||
|
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 (" |");
|
|||
|
|
|||
|
if (SYM_SIZE (info))
|
|||
|
print_value (abfd, SYM_SIZE (info));
|
|||
|
else
|
|||
|
{
|
|||
|
if (print_width == 32)
|
|||
|
printf (" ");
|
|||
|
else
|
|||
|
printf (" ");
|
|||
|
}
|
|||
|
|
|||
|
if (info->elfinfo)
|
|||
|
printf("| |%s", info->elfinfo->symbol.section->name);
|
|||
|
else if (info->coffinfo)
|
|||
|
printf("| |%s", info->coffinfo->symbol.section->name);
|
|||
|
else
|
|||
|
printf("| |");
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
print_symbol_info_posix (struct extended_symbol_info *info, bfd *abfd)
|
|||
|
{
|
|||
|
print_symname ("%s ", info, NULL, abfd);
|
|||
|
printf ("%c ", SYM_TYPE (info));
|
|||
|
|
|||
|
if (bfd_is_undefined_symclass (SYM_TYPE (info)))
|
|||
|
printf (" ");
|
|||
|
else
|
|||
|
{
|
|||
|
print_value (abfd, SYM_VALUE (info));
|
|||
|
printf (" ");
|
|||
|
if (SYM_SIZE (info))
|
|||
|
print_value (abfd, SYM_SIZE (info));
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
static void
|
|||
|
just_print_symbol_name (struct extended_symbol_info *info, bfd *abfd)
|
|||
|
{
|
|||
|
print_symname ("%s", info, NULL, abfd);
|
|||
|
}
|
|||
|
|
|||
|
int
|
|||
|
main (int argc, char **argv)
|
|||
|
{
|
|||
|
int c;
|
|||
|
int retval;
|
|||
|
|
|||
|
#ifdef HAVE_LC_MESSAGES
|
|||
|
setlocale (LC_MESSAGES, "");
|
|||
|
#endif
|
|||
|
setlocale (LC_CTYPE, "");
|
|||
|
setlocale (LC_COLLATE, "");
|
|||
|
bindtextdomain (PACKAGE, LOCALEDIR);
|
|||
|
textdomain (PACKAGE);
|
|||
|
|
|||
|
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);
|
|||
|
|
|||
|
if (bfd_init () != BFD_INIT_MAGIC)
|
|||
|
fatal (_("fatal error: libbfd ABI mismatch"));
|
|||
|
set_default_bfd_target ();
|
|||
|
|
|||
|
while ((c = getopt_long (argc, argv, "aABCDef:gHhjJlnopPrSst:uU:vVvX:",
|
|||
|
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;
|
|||
|
if (optarg != NULL)
|
|||
|
{
|
|||
|
enum demangling_styles style;
|
|||
|
|
|||
|
style = cplus_demangle_name_to_style (optarg);
|
|||
|
if (style == unknown_demangling)
|
|||
|
fatal (_("unknown demangling style `%s'"),
|
|||
|
optarg);
|
|||
|
|
|||
|
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 OPTION_QUIET:
|
|||
|
quiet = 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':
|
|||
|
case 'h':
|
|||
|
usage (stdout, 0);
|
|||
|
case 'l':
|
|||
|
line_numbers = 1;
|
|||
|
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");
|
|||
|
break;
|
|||
|
case 'j':
|
|||
|
set_output_format ("just-symbols");
|
|||
|
break;
|
|||
|
case 'r':
|
|||
|
reverse_sort = 1;
|
|||
|
break;
|
|||
|
case 's':
|
|||
|
print_armap = 1;
|
|||
|
break;
|
|||
|
case 'S':
|
|||
|
print_size = 1;
|
|||
|
break;
|
|||
|
case 't':
|
|||
|
set_print_radix (optarg);
|
|||
|
break;
|
|||
|
case 'u':
|
|||
|
undefined_only = 1;
|
|||
|
break;
|
|||
|
|
|||
|
case 'U':
|
|||
|
if (streq (optarg, "default") || streq (optarg, "d"))
|
|||
|
unicode_display = unicode_default;
|
|||
|
else if (streq (optarg, "locale") || streq (optarg, "l"))
|
|||
|
unicode_display = unicode_locale;
|
|||
|
else if (streq (optarg, "escape") || streq (optarg, "e"))
|
|||
|
unicode_display = unicode_escape;
|
|||
|
else if (streq (optarg, "invalid") || streq (optarg, "i"))
|
|||
|
unicode_display = unicode_invalid;
|
|||
|
else if (streq (optarg, "hex") || streq (optarg, "x"))
|
|||
|
unicode_display = unicode_hex;
|
|||
|
else if (streq (optarg, "highlight") || streq (optarg, "h"))
|
|||
|
unicode_display = unicode_highlight;
|
|||
|
else
|
|||
|
fatal (_("invalid argument to -U/--unicode: %s"), optarg);
|
|||
|
break;
|
|||
|
|
|||
|
case 'V':
|
|||
|
show_version = 1;
|
|||
|
break;
|
|||
|
case 'X':
|
|||
|
/* Ignored for (partial) AIX compatibility. On AIX, the
|
|||
|
argument has values 32, 64, or 32_64, and specifies that
|
|||
|
only 32-bit, only 64-bit, or both kinds of objects should
|
|||
|
be examined. The default is 32. So plain AIX nm on a
|
|||
|
library archive with both kinds of objects will ignore
|
|||
|
the 64-bit ones. For GNU nm, the default is and always
|
|||
|
has been -X 32_64, and other options are not supported. */
|
|||
|
if (strcmp (optarg, "32_64") != 0)
|
|||
|
fatal (_("Only -X 32_64 is supported"));
|
|||
|
break;
|
|||
|
|
|||
|
case OPTION_TARGET: /* --target */
|
|||
|
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 OPTION_IFUNC_CHARS:
|
|||
|
ifunc_type_chars = optarg;
|
|||
|
break;
|
|||
|
|
|||
|
case 0: /* A long option that just sets a flag. */
|
|||
|
break;
|
|||
|
|
|||
|
default:
|
|||
|
usage (stderr, 1);
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
if (show_version)
|
|||
|
print_version ("nm");
|
|||
|
|
|||
|
if (sort_by_size && undefined_only)
|
|||
|
{
|
|||
|
non_fatal (_("Using the --size-sort and --undefined-only options together"));
|
|||
|
non_fatal (_("will produce no output, since undefined symbols have no size."));
|
|||
|
return 0;
|
|||
|
}
|
|||
|
|
|||
|
/* 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);
|
|||
|
|
|||
|
exit (retval);
|
|||
|
return retval;
|
|||
|
}
|