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| author | Paul Brook <paul@codesourcery.com> | 2011-05-09 13:12:52 +0000 |
|---|---|---|
| committer | Paul Brook <paul@codesourcery.com> | 2011-05-09 13:12:52 +0000 |
| commit | 9cf0e28212068b89d962e7c850f33b56a0f50a09 (patch) | |
| tree | 0251a1337976aae35a749f1a124060384cbd3ed6 /bfd/elf32-tic6x.c | |
| parent | d260f1291231fcee1d97fe2ed2056af307d237f8 (diff) | |
| download | gdb-9cf0e28212068b89d962e7c850f33b56a0f50a09.zip gdb-9cf0e28212068b89d962e7c850f33b56a0f50a09.tar.gz gdb-9cf0e28212068b89d962e7c850f33b56a0f50a09.tar.bz2 | |
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.
Diffstat (limited to 'bfd/elf32-tic6x.c')
| -rw-r--r-- | bfd/elf32-tic6x.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/bfd/elf32-tic6x.c b/bfd/elf32-tic6x.c index 909225a..6b10654 100644 --- a/bfd/elf32-tic6x.c +++ b/bfd/elf32-tic6x.c @@ -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 \ |