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authorAlan Modra <amodra@gmail.com>2013-07-25 00:14:11 +0000
committerAlan Modra <amodra@gmail.com>2013-07-25 00:14:11 +0000
commitdb6a5d5f908a3139924421da1d80d8edf479646c (patch)
treebb408d10ac1c1f99019620eb95a7933ff585985d /bfd
parent8c058e6af3bac5565636dd175bfa3fa9dcaf1e74 (diff)
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PR ld/15762
PR ld/12761 * elflink.c (elf_link_add_object_symbols): Correct test in last patch. Remove unnecessary code.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog7
-rw-r--r--bfd/elflink.c103
2 files changed, 53 insertions, 57 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index a4f49b8..efbf5bb 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,10 @@
+2013-07-25 Alan Modra <amodra@gmail.com>
+
+ PR ld/15762
+ PR ld/12761
+ * elflink.c (elf_link_add_object_symbols): Correct test in
+ last patch. Remove unnecessary code.
+
2013-07-24 Tristan Gingold <gingold@adacore.com>
* coff-rs6000.c (xcoff_howto_table): Fix masks and pc_relative for
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 55f00da..5682db2 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -3344,6 +3344,7 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
long old_dynsymcount = 0;
bfd_size_type old_dynstr_size = 0;
size_t tabsize = 0;
+ asection *s;
htab = elf_hash_table (info);
bed = get_elf_backend_data (abfd);
@@ -3385,75 +3386,64 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
symbol. This differs from .gnu.warning sections, which generate
warnings when they are included in an output file. */
/* PR 12761: Also generate this warning when building shared libraries. */
- if (info->executable || info->shared)
+ for (s = abfd->sections; s != NULL; s = s->next)
{
- asection *s;
+ const char *name;
- for (s = abfd->sections; s != NULL; s = s->next)
+ name = bfd_get_section_name (abfd, s);
+ if (CONST_STRNEQ (name, ".gnu.warning."))
{
- const char *name;
+ char *msg;
+ bfd_size_type sz;
+
+ name += sizeof ".gnu.warning." - 1;
- name = bfd_get_section_name (abfd, s);
- if (CONST_STRNEQ (name, ".gnu.warning."))
+ /* If this is a shared object, then look up the symbol
+ in the hash table. If it is there, and it is already
+ been defined, then we will not be using the entry
+ from this shared object, so we don't need to warn.
+ FIXME: If we see the definition in a regular object
+ later on, we will warn, but we shouldn't. The only
+ fix is to keep track of what warnings we are supposed
+ to emit, and then handle them all at the end of the
+ link. */
+ if (dynamic)
{
- char *msg;
- bfd_size_type sz;
-
- name += sizeof ".gnu.warning." - 1;
-
- /* If this is a shared object, then look up the symbol
- in the hash table. If it is there, and it is already
- been defined, then we will not be using the entry
- from this shared object, so we don't need to warn.
- FIXME: If we see the definition in a regular object
- later on, we will warn, but we shouldn't. The only
- fix is to keep track of what warnings we are supposed
- to emit, and then handle them all at the end of the
- link. */
- if (dynamic)
- {
- struct elf_link_hash_entry *h;
+ struct elf_link_hash_entry *h;
- h = elf_link_hash_lookup (htab, name, FALSE, FALSE, TRUE);
+ h = elf_link_hash_lookup (htab, name, FALSE, FALSE, TRUE);
- /* FIXME: What about bfd_link_hash_common? */
- if (h != NULL
- && (h->root.type == bfd_link_hash_defined
- || h->root.type == bfd_link_hash_defweak))
- {
- /* We don't want to issue this warning. Clobber
- the section size so that the warning does not
- get copied into the output file. */
- s->size = 0;
- continue;
- }
- }
+ /* FIXME: What about bfd_link_hash_common? */
+ if (h != NULL
+ && (h->root.type == bfd_link_hash_defined
+ || h->root.type == bfd_link_hash_defweak))
+ continue;
+ }
- sz = s->size;
- msg = (char *) bfd_alloc (abfd, sz + 1);
- if (msg == NULL)
- goto error_return;
+ sz = s->size;
+ msg = (char *) bfd_alloc (abfd, sz + 1);
+ if (msg == NULL)
+ goto error_return;
- if (! bfd_get_section_contents (abfd, s, msg, 0, sz))
- goto error_return;
+ if (! bfd_get_section_contents (abfd, s, msg, 0, sz))
+ goto error_return;
- msg[sz] = '\0';
+ msg[sz] = '\0';
- if (! (_bfd_generic_link_add_one_symbol
- (info, abfd, name, BSF_WARNING, s, 0, msg,
- FALSE, bed->collect, NULL)))
- goto error_return;
+ if (! (_bfd_generic_link_add_one_symbol
+ (info, abfd, name, BSF_WARNING, s, 0, msg,
+ FALSE, bed->collect, NULL)))
+ goto error_return;
- if (!info->relocatable && !info->shared)
- {
- /* Clobber the section size so that the warning does
- not get copied into the output file. */
- s->size = 0;
+ if (!info->relocatable && info->executable)
+ {
+ /* Clobber the section size so that the warning does
+ not get copied into the output file. */
+ s->size = 0;
- /* Also set SEC_EXCLUDE, so that symbols defined in
- the warning section don't get copied to the output. */
- s->flags |= SEC_EXCLUDE;
- }
+ /* Also set SEC_EXCLUDE, so that symbols defined in
+ the warning section don't get copied to the output. */
+ s->flags |= SEC_EXCLUDE;
}
}
}
@@ -3479,7 +3469,6 @@ elf_link_add_object_symbols (bfd *abfd, struct bfd_link_info *info)
goto error_return;
else
{
- asection *s;
const char *soname = NULL;
char *audit = NULL;
struct bfd_link_needed_list *rpath = NULL, *runpath = NULL;