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| author | Yury Usishchev <y.usishchev@samsung.com> | 2015-12-22 15:50:13 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2015-12-22 15:50:13 +0000 |
| commit | 491d01d3da18fb61fa6c7c61c091b4cb8c5773f7 (patch) | |
| tree | 4f325fdc33925c18aa4db39125a2f91ef8d39e7c /bfd/elf-bfd.h | |
| parent | 4abd5ed2221c826bcb843794286777452de5c50b (diff) | |
| download | binutils-gdb-491d01d3da18fb61fa6c7c61c091b4cb8c5773f7.tar.gz | |
ARM: Fix exidx coverage for relocatable builds.
bfd * elf-bfd.h: Add callback to count additional relocations.
* elf32-arm.c (_arm_elf_section_data): Add new counter.
(insert_cantunwind_after): Increment relocations counter.
(elf32_arm_fix_exidx_coverage): Remove exidx entries and add
terminating CANTUNWIND entry only in final builds.
(elf32_arm_add_relocation): New function.
(elf32_arm_write_section): Add relocations in relocatable builds.
(elf32_arm_count_additional_relocs): New function.
(elf_backend_count_additional_relocs): New define.
* bfd/elflink.c (bfd_elf_final_link): Use callback and adjust size of
.rel section.
* bfd/elfxx-target.h (elf_backend_count_additional_relocs): New define.
ld * emultempl/armelf.em (gld${EMULATION_NAME}_after_allocation): Call
elf32_arm_fix_exidx_coverage for relocatable builds.
ld/testsuite
* ld-arm/arm-elf.exp: New test.
* ld-arm/unwind-rel.d: New file.
* ld-arm/unwind-rel1.s: New file.
* ld-arm/unwind-rel2.s: New file.
* ld-arm/unwind-rel3.s: New file.
Diffstat (limited to 'bfd/elf-bfd.h')
| -rw-r--r-- | bfd/elf-bfd.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index 70e33275054..129aa64ef6f 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -1170,6 +1170,11 @@ struct elf_backend_data unsigned int (*elf_backend_count_relocs) (struct bfd_link_info *, asection *); + /* Count additionals relocations. Called for relocatable links if + additional relocations needs to be created. */ + unsigned int (*elf_backend_count_additional_relocs) + (asection *); + /* Say whether to sort relocs output by ld -r and ld --emit-relocs, by r_offset. If NULL, default to true. */ bfd_boolean (*sort_relocs_p) |