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Add --dyn-syms to readelf
binutils/ 2010-01-11 H.J. Lu <hongjiu.lu@intel.com> PR ld/11146 * NEWS: Mention --dyn-syms for readelf. * readelf.c (do_dyn_syms): New. (OPTION_DYN_SYMS): Likewise. (options): Add "dyn-syms". (usage): Add --dyn-syms. (parse_args): Handle OPTION_DYN_SYMS. (process_symbol_table): Handle do_dyn_syms. (process_object): Likewise. (process_archive): Likewise. * doc/binutils.texi: Document --dyn-syms for readelf. Mention symbol hash tables for -D. ld/testsuite/ 2010-01-11 H.J. Lu <hongjiu.lu@intel.com> PR ld/11146 * ld-elf/dynsym1.d: New.
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@ -1,3 +1,35 @@
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2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/11146
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* NEWS: Mention --dyn-syms for readelf.
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* readelf.c (do_dyn_syms): New.
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(OPTION_DYN_SYMS): Likewise.
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(options): Add "dyn-syms".
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(usage): Add --dyn-syms.
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(parse_args): Handle OPTION_DYN_SYMS.
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(process_symbol_table): Handle do_dyn_syms.
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(process_object): Likewise.
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(process_archive): Likewise.
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* doc/binutils.texi: Document --dyn-syms for readelf. Mention
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symbol hash tables for -D.
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2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/11146
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* readelf.c (do_dyn_syms): New.
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(OPTION_DYN_SYMS): Likewise.
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(options): Add "dyn-syms".
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(usage): Add --dyn-syms.
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(parse_args): Handle OPTION_DYN_SYMS.
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(process_symbol_table): Handle do_dyn_syms.
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(process_object): Likewise.
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(process_archive): Likewise.
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* doc/binutils.texi: Document --dyn-syms for readelf. Mention
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symbol hash tables for -D.
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2010-01-11 Nick Clifton <nickc@redhat.com>
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* NEWS: Mention addition of elfedit.
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@ -1,4 +1,7 @@
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-*- text -*-
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* Add --dyn-syms to readelf to dump dynamic symbol table.
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* A new tool - elfedit - has been added to directly manipulate ELF format
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binaries.
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@ -3894,6 +3894,7 @@ readelf [@option{-a}|@option{--all}]
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[@option{-t}|@option{--section-details}]
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[@option{-e}|@option{--headers}]
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[@option{-s}|@option{--syms}|@option{--symbols}]
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[@option{--dyn-syms}]
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[@option{-n}|@option{--notes}]
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[@option{-r}|@option{--relocs}]
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[@option{-u}|@option{--unwind}]
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@ -3982,6 +3983,11 @@ Displays the detailed section information. Implies @option{-S}.
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@cindex ELF symbol table information
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Displays the entries in symbol table section of the file, if it has one.
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@item --dyn-syms
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@cindex ELF dynamic symbol table information
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Displays the entries in dynamic symbol table section of the file, if it
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has one.
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@item -e
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@itemx --headers
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Display all the headers in the file. Equivalent to @option{-h -l -S}.
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@ -4021,8 +4027,8 @@ is any.
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@item -D
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@itemx --use-dynamic
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When displaying symbols, this option makes @command{readelf} use the
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symbol table in the file's dynamic section, rather than the one in the
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symbols section.
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symbol hash tables in the file's dynamic section, rather than the
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symbol table sections.
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@item -x <number or name>
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@itemx --hex-dump=<number or name>
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@ -178,6 +178,7 @@ static Elf_Internal_Shdr * symtab_shndx_hdr;
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static int show_name;
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static int do_dynamic;
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static int do_syms;
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static int do_dyn_syms;
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static int do_reloc;
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static int do_sections;
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static int do_section_groups;
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@ -2923,6 +2924,7 @@ get_section_type_name (unsigned int sh_type)
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}
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#define OPTION_DEBUG_DUMP 512
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#define OPTION_DYN_SYMS 513
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static struct option options[] =
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{
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@ -2939,6 +2941,7 @@ static struct option options[] =
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{"full-section-name",no_argument, 0, 'N'},
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{"symbols", no_argument, 0, 's'},
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{"syms", no_argument, 0, 's'},
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{"dyn-syms", no_argument, 0, OPTION_DYN_SYMS},
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{"relocs", no_argument, 0, 'r'},
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{"notes", no_argument, 0, 'n'},
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{"dynamic", no_argument, 0, 'd'},
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@ -2978,6 +2981,7 @@ usage (FILE * stream)
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-e --headers Equivalent to: -h -l -S\n\
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-s --syms Display the symbol table\n\
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--symbols An alias for --syms\n\
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--dyn-syms Display the dynamic symbol table\n\
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-n --notes Display the core notes (if present)\n\
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-r --relocs Display the relocations (if present)\n\
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-u --unwind Display the unwind info (if present)\n\
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@ -3202,6 +3206,9 @@ parse_args (int argc, char ** argv)
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dwarf_select_sections_by_names (optarg);
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}
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break;
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case OPTION_DYN_SYMS:
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do_dyn_syms++;
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break;
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#ifdef SUPPORT_DISASSEMBLY
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case 'i':
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request_dump (DISASS_DUMP);
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@ -3228,7 +3235,8 @@ parse_args (int argc, char ** argv)
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if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
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&& !do_segments && !do_header && !do_dump && !do_version
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&& !do_histogram && !do_debugging && !do_arch && !do_notes
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&& !do_section_groups && !do_archive_index)
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&& !do_section_groups && !do_archive_index
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&& !do_dyn_syms)
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usage (stderr);
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else if (argc < 3)
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{
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@ -7343,12 +7351,14 @@ process_symbol_table (FILE * file)
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bfd_vma * gnuchains = NULL;
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bfd_vma gnusymidx = 0;
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if (! do_syms && !do_histogram)
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if (!do_syms && !do_dyn_syms && !do_histogram)
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return 1;
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if (dynamic_info[DT_HASH]
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&& (do_histogram
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|| (do_using_dynamic && dynamic_strings != NULL)))
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|| (do_using_dynamic
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&& !do_dyn_syms
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&& dynamic_strings != NULL)))
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{
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unsigned char nb[8];
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unsigned char nc[8];
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@ -7404,7 +7414,9 @@ process_symbol_table (FILE * file)
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if (dynamic_info_DT_GNU_HASH
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&& (do_histogram
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|| (do_using_dynamic && dynamic_strings != NULL)))
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|| (do_using_dynamic
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&& !do_dyn_syms
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&& dynamic_strings != NULL)))
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{
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unsigned char nb[16];
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bfd_vma i, maxchain = 0xffffffff, bitmaskwords;
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@ -7561,7 +7573,7 @@ process_symbol_table (FILE * file)
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}
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}
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}
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else if (do_syms && !do_using_dynamic)
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else if (do_dyn_syms || (do_syms && !do_using_dynamic))
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{
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unsigned int i;
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@ -7575,8 +7587,10 @@ process_symbol_table (FILE * file)
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Elf_Internal_Sym * symtab;
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Elf_Internal_Sym * psym;
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if ( section->sh_type != SHT_SYMTAB
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&& section->sh_type != SHT_DYNSYM)
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if ((section->sh_type != SHT_SYMTAB
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&& section->sh_type != SHT_DYNSYM)
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|| (!do_syms
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&& section->sh_type == SHT_SYMTAB))
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continue;
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printf (_("\nSymbol table '%s' contains %lu entries:\n"),
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@ -10859,7 +10873,7 @@ process_object (char * file_name, FILE * file)
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do_unwind = do_version = do_dump = do_arch = 0;
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if (! do_using_dynamic)
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do_syms = do_reloc = 0;
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do_syms = do_dyn_syms = do_reloc = 0;
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}
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if (! process_section_groups (file))
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@ -11463,7 +11477,7 @@ process_archive (char * file_name, FILE * file, bfd_boolean is_thin_archive)
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if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
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&& !do_segments && !do_header && !do_dump && !do_version
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&& !do_histogram && !do_debugging && !do_arch && !do_notes
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&& !do_section_groups)
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&& !do_section_groups && !do_dyn_syms)
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{
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ret = 0; /* Archive index only. */
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goto out;
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@ -1,3 +1,8 @@
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2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/11146
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* ld-elf/dynsym1.d: New.
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2010-01-07 H.J. Lu <hongjiu.lu@intel.com>
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PR ld/11138
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8
ld/testsuite/ld-elf/dynsym1.d
Normal file
8
ld/testsuite/ld-elf/dynsym1.d
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@ -0,0 +1,8 @@
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#source: empty.s
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#ld: -shared
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#readelf: --dyn-syms
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#target: *-*-linux*
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#...
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+[0-9]+: +[0-9a-f]+ +[0-9]+ +FUNC +GLOBAL +DEFAULT +[1-9] _start
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#pass
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