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Always create PLT eh_frame section for i386/x86-64

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bfd/

2012-05-22  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/14105
	* elf32-i386.c (elf_i386_create_dynamic_sections): Always
	create PLT eh_frame section with SEC_LINKER_CREATED.
	* elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Likewise.

ld/testsuite/

2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	PR ld/14105
	* ld-elf/eh4.d: Add PLT eh_frame.

	* ld-i386/i386.exp: Run pr12570a and pr12570b.
	* ld-x86-64/x86-64.exp: Likewise.

	* ld-i386/pr12570a.d: New file.
	* ld-i386/pr12570a.s: Likewise.
	* ld-i386/pr12570b.s: Likewise.
	* ld-i386/pr12570b.s: Likewise.
	* ld-x86-64/pr12570a.d: Likewise.
	* ld-x86-64/pr12570a.s: Likewise.
	* ld-x86-64/pr12570b.d: Likewise.
	* ld-x86-64/pr12570b.s: Likewise.
This commit is contained in:
H.J. Lu 2012-05-22 14:05:21 +00:00
parent 23512c015e
commit 2fe0fd0638
15 changed files with 116 additions and 7 deletions
Download patch file Download diff file Expand all files Collapse all files

7
bfd/ChangeLog
View file

@ -1,3 +1,10 @@
2012-05-22 H.J. Lu <hongjiu.lu@intel.com>
PR ld/14105
* elf32-i386.c (elf_i386_create_dynamic_sections): Always
create PLT eh_frame section with SEC_LINKER_CREATED.
* elf64-x86-64.c (elf_x86_64_create_dynamic_sections): Likewise.
2012-05-22 Alan Modra <amodra@gmail.com>
* elflink.c (bfd_elf_discard_info): Handle multiple .eh_frame

8
bfd/elf32-i386.c
View file

@ -1015,13 +1015,15 @@ elf_i386_create_dynamic_sections (bfd *dynobj, struct bfd_link_info *info)
return FALSE;
if (!info->no_ld_generated_unwind_info
&& bfd_get_section_by_name (dynobj, ".eh_frame") == NULL
&& htab->plt_eh_frame == NULL
&& htab->elf.splt != NULL)
{
flagword flags = get_elf_backend_data (dynobj)->dynamic_sec_flags;
htab->plt_eh_frame
= bfd_make_section_with_flags (dynobj, ".eh_frame",
flags | SEC_READONLY);
= bfd_make_section_anyway_with_flags (dynobj, ".eh_frame",
(flags
| SEC_LINKER_CREATED
| SEC_READONLY));
if (htab->plt_eh_frame == NULL
|| !bfd_set_section_alignment (dynobj, htab->plt_eh_frame, 2))
return FALSE;

8
bfd/elf64-x86-64.c
View file

@ -979,15 +979,17 @@ elf_x86_64_create_dynamic_sections (bfd *dynobj,
abort ();
if (!info->no_ld_generated_unwind_info
&& bfd_get_section_by_name (dynobj, ".eh_frame") == NULL
&& htab->plt_eh_frame == NULL
&& htab->elf.splt != NULL)
{
const struct elf_x86_64_backend_data *const abed
= get_elf_x86_64_backend_data (dynobj);
flagword flags = get_elf_backend_data (dynobj)->dynamic_sec_flags;
htab->plt_eh_frame
= bfd_make_section_with_flags (dynobj, ".eh_frame",
flags | SEC_READONLY);
= bfd_make_section_anyway_with_flags (dynobj, ".eh_frame",
(flags
| SEC_LINKER_CREATED
| SEC_READONLY));
if (htab->plt_eh_frame == NULL
|| !bfd_set_section_alignment (dynobj, htab->plt_eh_frame, 3))
return FALSE;