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Add --dyn-syms to readelf

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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.
This commit is contained in:
H.J. Lu
2010-01-11 14:45:42 +00:00
parent 4d421096e0
commit 2c610e4b46
6 changed files with 79 additions and 11 deletions
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32
binutils/readelf.c
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@@ -178,6 +178,7 @@ static Elf_Internal_Shdr * symtab_shndx_hdr;
static int show_name;
static int do_dynamic;
static int do_syms;
static int do_dyn_syms;
static int do_reloc;
static int do_sections;
static int do_section_groups;
@@ -2923,6 +2924,7 @@ get_section_type_name (unsigned int sh_type)
}
#define OPTION_DEBUG_DUMP 512
#define OPTION_DYN_SYMS 513
static struct option options[] =
{
@@ -2939,6 +2941,7 @@ static struct option options[] =
{"full-section-name",no_argument, 0, 'N'},
{"symbols", no_argument, 0, 's'},
{"syms", no_argument, 0, 's'},
{"dyn-syms", no_argument, 0, OPTION_DYN_SYMS},
{"relocs", no_argument, 0, 'r'},
{"notes", no_argument, 0, 'n'},
{"dynamic", no_argument, 0, 'd'},
@@ -2978,6 +2981,7 @@ usage (FILE * stream)
-e --headers Equivalent to: -h -l -S\n\
-s --syms Display the symbol table\n\
--symbols An alias for --syms\n\
--dyn-syms Display the dynamic symbol table\n\
-n --notes Display the core notes (if present)\n\
-r --relocs Display the relocations (if present)\n\
-u --unwind Display the unwind info (if present)\n\
@@ -3202,6 +3206,9 @@ parse_args (int argc, char ** argv)
dwarf_select_sections_by_names (optarg);
}
break;
case OPTION_DYN_SYMS:
do_dyn_syms++;
break;
#ifdef SUPPORT_DISASSEMBLY
case 'i':
request_dump (DISASS_DUMP);
@@ -3228,7 +3235,8 @@ parse_args (int argc, char ** argv)
if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
&& !do_segments && !do_header && !do_dump && !do_version
&& !do_histogram && !do_debugging && !do_arch && !do_notes
&& !do_section_groups && !do_archive_index)
&& !do_section_groups && !do_archive_index
&& !do_dyn_syms)
usage (stderr);
else if (argc < 3)
{
@@ -7343,12 +7351,14 @@ process_symbol_table (FILE * file)
bfd_vma * gnuchains = NULL;
bfd_vma gnusymidx = 0;
if (! do_syms && !do_histogram)
if (!do_syms && !do_dyn_syms && !do_histogram)
return 1;
if (dynamic_info[DT_HASH]
&& (do_histogram
|| (do_using_dynamic && dynamic_strings != NULL)))
|| (do_using_dynamic
&& !do_dyn_syms
&& dynamic_strings != NULL)))
{
unsigned char nb[8];
unsigned char nc[8];
@@ -7404,7 +7414,9 @@ process_symbol_table (FILE * file)
if (dynamic_info_DT_GNU_HASH
&& (do_histogram
|| (do_using_dynamic && dynamic_strings != NULL)))
|| (do_using_dynamic
&& !do_dyn_syms
&& dynamic_strings != NULL)))
{
unsigned char nb[16];
bfd_vma i, maxchain = 0xffffffff, bitmaskwords;
@@ -7561,7 +7573,7 @@ process_symbol_table (FILE * file)
}
}
}
else if (do_syms && !do_using_dynamic)
else if (do_dyn_syms || (do_syms && !do_using_dynamic))
{
unsigned int i;
@@ -7575,8 +7587,10 @@ process_symbol_table (FILE * file)
Elf_Internal_Sym * symtab;
Elf_Internal_Sym * psym;
if ( section->sh_type != SHT_SYMTAB
&& section->sh_type != SHT_DYNSYM)
if ((section->sh_type != SHT_SYMTAB
&& section->sh_type != SHT_DYNSYM)
|| (!do_syms
&& section->sh_type == SHT_SYMTAB))
continue;
printf (_("\nSymbol table '%s' contains %lu entries:\n"),
@@ -10859,7 +10873,7 @@ process_object (char * file_name, FILE * file)
do_unwind = do_version = do_dump = do_arch = 0;
if (! do_using_dynamic)
do_syms = do_reloc = 0;
do_syms = do_dyn_syms = do_reloc = 0;
}
if (! process_section_groups (file))
@@ -11463,7 +11477,7 @@ process_archive (char * file_name, FILE * file, bfd_boolean is_thin_archive)
if (!do_dynamic && !do_syms && !do_reloc && !do_unwind && !do_sections
&& !do_segments && !do_header && !do_dump && !do_version
&& !do_histogram && !do_debugging && !do_arch && !do_notes
&& !do_section_groups)
&& !do_section_groups && !do_dyn_syms)
{
ret = 0; /* Archive index only. */
goto out;