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-rw-r--r--bfd/ChangeLog11
-rw-r--r--bfd/elflink.c40
-rw-r--r--ld/ChangeLog6
-rw-r--r--ld/emultempl/elf32.em10
4 files changed, 59 insertions, 8 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 945cb68..c5f1f23 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,14 @@
+2017-06-26 Alan Modra <amodra@gmail.com>
+
+ * elflink.c (_bfd_elf_link_create_dynstrtab): Don't make dynobj
+ a --just-syms bfd.
+ (_bfd_elf_size_group_sections): Skip --just-syms bfds.
+ (bfd_elf_size_dynamic_sections): Ignore .note.GNU-stack and
+ .preinit_array on --just-syms bfds.
+ (_bfd_elf_gc_mark_extra_sections): Skip --just-syms bfds.
+ (elf_gc_sweep, bfd_elf_parse_eh_frame_entries): Likewise.
+ (bfd_elf_gc_sections, bfd_elf_discard_info): Likewise.
+
2017-06-25 Sergei Trofimovich <slyfox@gentoo.org>
* elf.c (find_link): Bounds check "hint".
diff --git a/bfd/elflink.c b/bfd/elflink.c
index e35ec63..471e8ad 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -218,9 +218,13 @@ _bfd_elf_link_create_dynstrtab (bfd *abfd, struct bfd_link_info *info)
if ((abfd->flags & (DYNAMIC | BFD_PLUGIN)) != 0)
{
bfd *ibfd;
+ asection *s;
for (ibfd = info->input_bfds; ibfd; ibfd = ibfd->link.next)
if ((ibfd->flags
- & (DYNAMIC | BFD_LINKER_CREATED | BFD_PLUGIN)) == 0)
+ & (DYNAMIC | BFD_LINKER_CREATED | BFD_PLUGIN)) == 0
+ && bfd_get_flavour (ibfd) == bfd_target_elf_flavour
+ && !((s = ibfd->sections) != NULL
+ && s->sec_info_type == SEC_INFO_TYPE_JUST_SYMS))
{
abfd = ibfd;
break;
@@ -5861,9 +5865,12 @@ bfd_boolean
_bfd_elf_size_group_sections (struct bfd_link_info *info)
{
bfd *ibfd;
+ asection *s;
for (ibfd = info->input_bfds; ibfd != NULL; ibfd = ibfd->link.next)
if (bfd_get_flavour (ibfd) == bfd_target_elf_flavour
+ && (s = ibfd->sections) != NULL
+ && s->sec_info_type != SEC_INFO_TYPE_JUST_SYMS
&& !_bfd_elf_fixup_group_sections (ibfd, bfd_abs_section_ptr))
return FALSE;
return TRUE;
@@ -6511,6 +6518,10 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
if (inputobj->flags
& (DYNAMIC | EXEC_P | BFD_PLUGIN | BFD_LINKER_CREATED))
continue;
+ s = inputobj->sections;
+ if (s == NULL || s->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
+
s = bfd_get_section_by_name (inputobj, ".note.GNU-stack");
if (s)
{
@@ -6660,9 +6671,10 @@ bfd_elf_size_dynamic_sections (bfd *output_bfd,
bfd *sub;
asection *o;
- for (sub = info->input_bfds; sub != NULL;
- sub = sub->link.next)
- if (bfd_get_flavour (sub) == bfd_target_elf_flavour)
+ for (sub = info->input_bfds; sub != NULL; sub = sub->link.next)
+ if (bfd_get_flavour (sub) == bfd_target_elf_flavour
+ && (o = sub->sections) != NULL
+ && o->sec_info_type != SEC_INFO_TYPE_JUST_SYMS)
for (o = sub->sections; o != NULL; o = o->next)
if (elf_section_data (o)->this_hdr.sh_type
== SHT_PREINIT_ARRAY)
@@ -12911,6 +12923,9 @@ _bfd_elf_gc_mark_extra_sections (struct bfd_link_info *info,
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
continue;
+ isec = ibfd->sections;
+ if (isec == NULL || isec->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
/* Ensure all linker created sections are kept,
see if any other section is already marked,
@@ -13016,6 +13031,9 @@ elf_gc_sweep (bfd *abfd, struct bfd_link_info *info)
if (bfd_get_flavour (sub) != bfd_target_elf_flavour
|| !(*bed->relocs_compatible) (sub->xvec, abfd->xvec))
continue;
+ o = sub->sections;
+ if (o == NULL || o->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
for (o = sub->sections; o != NULL; o = o->next)
{
@@ -13253,6 +13271,9 @@ bfd_elf_parse_eh_frame_entries (bfd *abfd ATTRIBUTE_UNUSED,
if (bfd_get_flavour (ibfd) != bfd_target_elf_flavour)
continue;
+ sec = ibfd->sections;
+ if (sec == NULL || sec->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
if (!init_reloc_cookie (&cookie, info, ibfd))
return FALSE;
@@ -13300,6 +13321,9 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
asection *sec;
struct elf_reloc_cookie cookie;
+ sec = sub->sections;
+ if (sec == NULL || sec->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
sec = bfd_get_section_by_name (sub, ".eh_frame");
while (sec && init_reloc_cookie_for_section (&cookie, info, sec))
{
@@ -13336,6 +13360,10 @@ bfd_elf_gc_sections (bfd *abfd, struct bfd_link_info *info)
|| !(*bed->relocs_compatible) (sub->xvec, abfd->xvec))
continue;
+ o = sub->sections;
+ if (o == NULL || o->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
+
/* Start at sections marked with SEC_KEEP (ref _bfd_elf_gc_keep).
Also treat note sections as a root, if the section is not part
of a group. */
@@ -13840,9 +13868,13 @@ bfd_elf_discard_info (bfd *output_bfd, struct bfd_link_info *info)
for (abfd = info->input_bfds; abfd != NULL; abfd = abfd->link.next)
{
const struct elf_backend_data *bed;
+ asection *s;
if (bfd_get_flavour (abfd) != bfd_target_elf_flavour)
continue;
+ s = abfd->sections;
+ if (s == NULL || s->sec_info_type == SEC_INFO_TYPE_JUST_SYMS)
+ continue;
bed = get_elf_backend_data (abfd);
diff --git a/ld/ChangeLog b/ld/ChangeLog
index bd21ad6..1db5afa 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,9 @@
+2017-06-26 Alan Modra <amodra@gmail.com>
+
+ * emultempl/elf32.em (gld${EMULATION_NAME}_after_open): Skip
+ --just-syms bfds when looking for a place to attach .note.gnu.build-id
+ and .eh_frame_hdr sections. Delete dead code.
+
2017-06-24 Thomas Preud'homme <thomas.preudhomme@arm.com>
* testsuite/ld-arm/arm-elf.exp (EABI attribute merging 11): New test.
diff --git a/ld/emultempl/elf32.em b/ld/emultempl/elf32.em
index 325d847..d2551b6 100644
--- a/ld/emultempl/elf32.em
+++ b/ld/emultempl/elf32.em
@@ -1245,7 +1245,8 @@ gld${EMULATION_NAME}_after_open (void)
for (abfd = link_info.input_bfds;
abfd != (bfd *) NULL; abfd = abfd->link.next)
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour
- && bfd_count_sections (abfd) != 0)
+ && bfd_count_sections (abfd) != 0
+ && !((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
break;
/* PR 10555: If there are no ELF input files do not try to
@@ -1285,6 +1286,10 @@ gld${EMULATION_NAME}_after_open (void)
for (abfd = link_info.input_bfds; abfd; abfd = abfd->link.next)
{
int type = 0;
+
+ if (((lang_input_statement_type *) abfd->usrdata)->flags.just_syms)
+ continue;
+
for (s = abfd->sections; s && type < COMPACT_EH_HDR; s = s->next)
{
const char *name = bfd_get_section_name (abfd, s);
@@ -1323,9 +1328,6 @@ gld${EMULATION_NAME}_after_open (void)
if (seen_type == COMPACT_EH_HDR)
link_info.eh_frame_hdr_type = COMPACT_EH_HDR;
-
- if (bfd_count_sections (abfd) == 0)
- continue;
}
if (elfbfd)
{
generated by cgit v1.1 at 2024-11-29 11:08:34 +0000