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nm: Add --quiet to suppress "no symbols" diagnostic

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PR binutils/27408
	* readelf.c (quiet): New option flag.
	(enum long_option_values): New enum to hold long option value.
	(long_options): Add --quiet.
	(usage): Mention --quiet.
	(display_rel_file): If quiet is enabled, suppress "no symbols".
	(main): Handle the new option.
	* NEWS: Mention --quiet.
	* docs/binutils.texi: Document --quiet.
This commit is contained in:
Fangrui Song
2021-02-26 09:25:45 -08:00
parent fe0171d248
commit 7fe1b1388f
4 changed files with 34 additions and 4 deletions
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18
binutils/nm.c
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@@ -161,6 +161,7 @@ static int show_version = 0; /* Show the version number. */
static int show_synthetic = 0; /* Display synthesized symbols too. */
static int line_numbers = 0; /* Print line numbers for symbols. */
static int allow_special_symbols = 0; /* Allow special symbols. */
static int quiet = 0; /* Suppress "no symbols" diagnostic. */
/* The characters to use for global and local ifunc symbols. */
#if DEFAULT_F_FOR_IFUNC_SYMBOLS
@@ -200,7 +201,8 @@ enum long_option_values
OPTION_RECURSE_LIMIT,
OPTION_NO_RECURSE_LIMIT,
OPTION_IFUNC_CHARS,
OPTION_WITH_SYMBOL_VERSIONS
OPTION_WITH_SYMBOL_VERSIONS,
OPTION_QUIET
};
static struct option long_options[] =
@@ -224,6 +226,7 @@ static struct option long_options[] =
{"print-armap", no_argument, &print_armap, 1},
{"print-file-name", no_argument, 0, 'o'},
{"print-size", no_argument, 0, 'S'},
{"quiet", no_argument, 0, OPTION_QUIET},
{"radix", required_argument, 0, 't'},
{"recurse-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
{"recursion-limit", no_argument, NULL, OPTION_RECURSE_LIMIT},
@@ -279,6 +282,7 @@ usage (FILE *stream, int status)
fprintf (stream, _("\
-S, --print-size Print size of defined symbols\n\
-s, --print-armap Include index for symbols from archive members\n\
--quiet Suppress \"no symbols\" diagnostic\n\
--size-sort Sort symbols by size\n\
--special-syms Include special symbols in the output\n\
--synthetic Display synthetic symbols as well\n\
@@ -1130,7 +1134,8 @@ display_rel_file (bfd *abfd, bfd *archive_bfd)
{
if (!(bfd_get_file_flags (abfd) & HAS_SYMS))
{
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
if (!quiet)
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
return;
}
}
@@ -1140,7 +1145,8 @@ display_rel_file (bfd *abfd, bfd *archive_bfd)
{
if (dynamic && bfd_get_error () == bfd_error_no_symbols)
{
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
if (!quiet)
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
return;
}
@@ -1149,7 +1155,8 @@ display_rel_file (bfd *abfd, bfd *archive_bfd)
if (symcount == 0)
{
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
if (!quiet)
non_fatal (_("%s: no symbols"), bfd_get_filename (abfd));
return;
}
@@ -1776,6 +1783,9 @@ main (int argc, char **argv)
case OPTION_WITH_SYMBOL_VERSIONS:
/* Ignored for backward compatibility. */
break;
case OPTION_QUIET:
quiet = 1;
break;
case 'D':
dynamic = 1;
break;