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Add new switch --globalize-symbol to convert local symbols into globals.

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This commit is contained in:
Nick Clifton
2005-03-15 17:45:19 +00:00
parent f7945f452e
commit 7b4a0685e8
4 changed files with 82 additions and 19 deletions
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60
binutils/objcopy.c
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@@ -195,6 +195,7 @@ static struct symlist *strip_specific_list = NULL;
static struct symlist *strip_unneeded_list = NULL;
static struct symlist *keep_specific_list = NULL;
static struct symlist *localize_specific_list = NULL;
static struct symlist *globalize_specific_list = NULL;
static struct symlist *keepglobal_specific_list = NULL;
static struct symlist *weaken_specific_list = NULL;
static struct redefine_node *redefine_sym_list = NULL;
@@ -236,6 +237,8 @@ enum command_line_switch
OPTION_STRIP_UNNEEDED_SYMBOLS,
OPTION_KEEP_SYMBOLS,
OPTION_LOCALIZE_SYMBOLS,
OPTION_GLOBALIZE_SYMBOL,
OPTION_GLOBALIZE_SYMBOLS,
OPTION_KEEPGLOBAL_SYMBOLS,
OPTION_WEAKEN_SYMBOLS,
OPTION_RENAME_SECTION,
@@ -306,6 +309,8 @@ static struct option copy_options[] =
{"discard-locals", no_argument, 0, 'X'},
{"format", required_argument, 0, 'F'}, /* Obsolete */
{"gap-fill", required_argument, 0, OPTION_GAP_FILL},
{"globalize-symbol", required_argument, 0, OPTION_GLOBALIZE_SYMBOL},
{"globalize-symbols", required_argument, 0, OPTION_GLOBALIZE_SYMBOLS},
{"help", no_argument, 0, 'h'},
{"impure", no_argument, 0, OPTION_IMPURE},
{"info", no_argument, 0, OPTION_FORMATS_INFO},
@@ -416,6 +421,7 @@ copy_usage (FILE *stream, int exit_status)
--only-keep-debug Strip everything but the debug information\n\
-K --keep-symbol <name> Only copy symbol <name>\n\
-L --localize-symbol <name> Force symbol <name> to be marked as a local\n\
--globalize-symbol <name> Force symbol <name> to be marked as a global\n\
-G --keep-global-symbol <name> Localize all symbols except <name>\n\
-W --weaken-symbol <name> Force symbol <name> to be marked as a weak\n\
--weaken Force all global symbols to be marked as weak\n\
@@ -456,6 +462,7 @@ copy_usage (FILE *stream, int exit_status)
in <file>\n\
--keep-symbols <file> -K for all symbols listed in <file>\n\
--localize-symbols <file> -L for all symbols listed in <file>\n\
--globalize-symbols <file> --globalize-symbol for all in <file>\n\
--keep-global-symbols <file> -G for all symbols listed in <file>\n\
--weaken-symbols <file> -W for all symbols listed in <file>\n\
--alt-machine-code <index> Use alternate machine code for output\n\
@@ -923,23 +930,35 @@ filter_symbols (bfd *abfd, bfd *obfd, asymbol **osyms,
if (keep && is_strip_section (abfd, bfd_get_section (sym)))
keep = 0;
if (keep && (flags & BSF_GLOBAL) != 0
&& (weaken || is_specified_symbol (name, weaken_specific_list)))
{
sym->flags &=~ BSF_GLOBAL;
sym->flags |= BSF_WEAK;
}
if (keep && !undefined && (flags & (BSF_GLOBAL | BSF_WEAK))
&& (is_specified_symbol (name, localize_specific_list)
|| (keepglobal_specific_list != NULL
&& ! is_specified_symbol (name, keepglobal_specific_list))))
{
sym->flags &= ~(BSF_GLOBAL | BSF_WEAK);
sym->flags |= BSF_LOCAL;
}
if (keep)
to[dst_count++] = sym;
{
if ((flags & BSF_GLOBAL) != 0
&& (weaken || is_specified_symbol (name, weaken_specific_list)))
{
sym->flags &= ~ BSF_GLOBAL;
sym->flags |= BSF_WEAK;
}
if (!undefined
&& (flags & (BSF_GLOBAL | BSF_WEAK))
&& (is_specified_symbol (name, localize_specific_list)
|| (keepglobal_specific_list != NULL
&& ! is_specified_symbol (name, keepglobal_specific_list))))
{
sym->flags &= ~ (BSF_GLOBAL | BSF_WEAK);
sym->flags |= BSF_LOCAL;
}
if (!undefined
&& (flags & BSF_LOCAL)
&& is_specified_symbol (name, globalize_specific_list))
{
sym->flags &= ~ BSF_LOCAL;
sym->flags |= BSF_GLOBAL;
}
to[dst_count++] = sym;
}
}
to[dst_count] = NULL;
@@ -1389,6 +1408,7 @@ copy_object (bfd *ibfd, bfd *obfd)
|| strip_specific_list != NULL
|| keep_specific_list != NULL
|| localize_specific_list != NULL
|| globalize_specific_list != NULL
|| keepglobal_specific_list != NULL
|| weaken_specific_list != NULL
|| prefix_symbols_string
@@ -2548,6 +2568,10 @@ copy_main (int argc, char *argv[])
add_specific_symbol (optarg, &localize_specific_list);
break;
case OPTION_GLOBALIZE_SYMBOL:
add_specific_symbol (optarg, &globalize_specific_list);
break;
case 'G':
add_specific_symbol (optarg, &keepglobal_specific_list);
break;
@@ -2889,6 +2913,10 @@ copy_main (int argc, char *argv[])
add_specific_symbols (optarg, &localize_specific_list);
break;
case OPTION_GLOBALIZE_SYMBOLS:
add_specific_symbols (optarg, &globalize_specific_list);
break;
case OPTION_KEEPGLOBAL_SYMBOLS:
add_specific_symbols (optarg, &keepglobal_specific_list);
break;