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authorH.J. Lu <hjl.tools@gmail.com>2010-01-11 14:45:42 +0000
committerH.J. Lu <hjl.tools@gmail.com>2010-01-11 14:45:42 +0000
commit2c610e4b46f46d5ca5aa0982051791dcbea0f67e (patch)
treef368a4cf5e4d6dc6609537e4b11f30e69da56a03 /binutils/readelf.c
parent4d421096e0d5a63190fa79e721a06c4e943f599f (diff)
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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.
Diffstat (limited to 'binutils/readelf.c')
-rw-r--r--binutils/readelf.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c
index 8550c31..122bd73 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -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;