2011-05-09 Paul Brook <paul@codesourcery.com>

bfd/
	* elf32-tic6x.c (elf32_tic6x_gc_mark_extra_sections): New function.
	(elf_backend_gc_mark_extra_sections): Define.
This commit is contained in:
Paul Brook 2011-05-09 13:12:52 +00:00
parent d260f12912
commit 9cf0e28212
2 changed files with 53 additions and 0 deletions

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@ -1,3 +1,8 @@
2011-05-09 Paul Brook <paul@codesourcery.com>
* elf32-tic6x.c (elf32_tic6x_gc_mark_extra_sections): New function.
(elf_backend_gc_mark_extra_sections): Define.
2011-05-07 Dave Korn <dave.korn.cygwin@gmail.com>
PR ld/12365

View File

@ -1839,6 +1839,53 @@ elf32_tic6x_finish_dynamic_symbol (bfd * output_bfd,
return TRUE;
}
/* Unwinding tables are not referenced directly. This pass marks them as
required if the corresponding code section is marked. */
static bfd_boolean
elf32_tic6x_gc_mark_extra_sections (struct bfd_link_info *info,
elf_gc_mark_hook_fn gc_mark_hook)
{
bfd *sub;
Elf_Internal_Shdr **elf_shdrp;
bfd_boolean again;
/* Marking EH data may cause additional code sections to be marked,
requiring multiple passes. */
again = TRUE;
while (again)
{
again = FALSE;
for (sub = info->input_bfds; sub != NULL; sub = sub->link_next)
{
asection *o;
if (! is_tic6x_elf (sub))
continue;
elf_shdrp = elf_elfsections (sub);
for (o = sub->sections; o != NULL; o = o->next)
{
Elf_Internal_Shdr *hdr;
hdr = &elf_section_data (o)->this_hdr;
if (hdr->sh_type == SHT_C6000_UNWIND
&& hdr->sh_link
&& hdr->sh_link < elf_numsections (sub)
&& !o->gc_mark
&& elf_shdrp[hdr->sh_link]->bfd_section->gc_mark)
{
again = TRUE;
if (!_bfd_elf_gc_mark (info, o, gc_mark_hook))
return FALSE;
}
}
}
}
return TRUE;
}
/* Update the got entry reference counts for the section being removed. */
static bfd_boolean
@ -3933,6 +3980,7 @@ elf32_tic6x_copy_private_data (bfd * ibfd, bfd * obfd)
#define elf_backend_rela_normal 1
#define elf_backend_got_header_size 8
#define elf_backend_gc_sweep_hook elf32_tic6x_gc_sweep_hook
#define elf_backend_gc_mark_extra_sections elf32_tic6x_gc_mark_extra_sections
#define elf_backend_modify_program_headers \
elf32_tic6x_modify_program_headers
#define elf_backend_create_dynamic_sections \