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bfd/

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* bfd-in2.h: Regenerate.
	* bfd.c (struct bfd): Add no_export.
	* elflink.c (elf_link_add_object_symbols): Handle no_export.
ld/
	* ldlang.c (struct excluded_lib, excluded_libs, add_excluded_libs)
	(check_excluded_libs): New.
	(load_symbols): Call check_excluded_libs.
	* ldlang.h (add_excluded_libs): New prototype.
	* emultempl/elf32.em (OPTION_EXCLUDED_LIBS): Define.
	(gld${EMULATION_NAME}_add_options): Add --exclude-libs.
	(gld${EMULATION_NAME}_handle_option): Handle --exclude-libs.
	* ld.texinfo (Command Line Variables): Document --exclude-libs.
	(Options Specific to i386 PE Targets): Remove --exclude-libs.
ld/testsuite/
	* ld-elf/exclude1.s, ld-elf/exclude2.s, ld-elf/exclude.exp: New.
This commit is contained in:
Daniel Jacobowitz
2004-10-16 18:13:54 +00:00
parent fd5008162e
commit b58f81aef6
13 changed files with 262 additions and 10 deletions
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63
ld/ldlang.c
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@ -1692,6 +1692,67 @@ lookup_name (const char *name)
return search;
}
/* Save LIST as a list of libraries whose symbols should not be exported. */
struct excluded_lib
{
char *name;
struct excluded_lib *next;
};
static struct excluded_lib *excluded_libs;
void
add_excluded_libs (const char *list)
{
const char *p = list, *end;
while (*p != '\0')
{
struct excluded_lib *entry;
end = strpbrk (p, ",:");
if (end == NULL)
end = p + strlen (p);
entry = xmalloc (sizeof (*entry));
entry->next = excluded_libs;
entry->name = xmalloc (end - p + 1);
memcpy (entry->name, p, end - p);
entry->name[end - p] = '\0';
excluded_libs = entry;
if (*end == '\0')
break;
p = end + 1;
}
}
static void
check_excluded_libs (bfd *abfd)
{
struct excluded_lib *lib = excluded_libs;
while (lib)
{
int len = strlen (lib->name);
const char *filename = lbasename (abfd->filename);
if (strcmp (lib->name, "ALL") == 0)
{
abfd->no_export = TRUE;
return;
}
if (strncmp (lib->name, filename, len) == 0
&& (filename[len] == '\0'
|| (filename[len] == '.' && filename[len + 1] == 'a'
&& filename[len + 2] == '\0')))
{
abfd->no_export = TRUE;
return;
}
lib = lib->next;
}
}
/* Get the symbols for an input file. */
static bfd_boolean
@ -1776,6 +1837,8 @@ load_symbols (lang_input_statement_type *entry,
break;
case bfd_archive:
check_excluded_libs (entry->the_bfd);
if (entry->whole_archive)
{
bfd *member = NULL;