mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-21 04:42:53 +08:00
4 Commits
Author | SHA1 | Message | Date | |
---|---|---|---|---|
Will Newton
|
1419bbe571 |
aarch64: Add support for GNU indirect functions.
Add support for STT_GNU_IFUNC symbols to the AArch64 bfd backend. The tests are ported from the ld-ifunc tests but are enabled for cross builds so can be run easily without hardware or a simulator. bfd/ChangeLog: 2013-10-03 Will Newton <will.newton@linaro.org> * configure: Regenerate. * configure.in: Build elf-ifunc.o for AArch64. * elfnn-aarch64.c: Include objalloc.h. (elfNN_aarch64_local_htab_hash): New function. (elfNN_aarch64_local_htab_eq): New function. (elfNN_aarch64_get_local_sym_hash): New function. (elfNN_aarch64_link_hash_table_create): Initialize local STT_GNU_IFUNC symbol hash. (elfNN_aarch64_hash_table_free): Free local STT_GNU_IFUNC symbol hash. (elfNN_aarch64_final_link_relocate): Add sym argument. Add support for handling STT_GNU_IFUNC symbols. (elfNN_aarch64_gc_sweep_hook): Add support for garbage collecting references to STT_GNU_IFUNC symbols. (elfNN_aarch64_adjust_dynamic_symbol): Add support for handling STT_GNU_IFUNC symbols. (elfNN_aarch64_check_relocs): Add support for handling STT_GNU_IFUNC symbols. Ensure we don't increase plt.refcount from -1 to 0. (elfNN_aarch64_post_process_headers): Call _bfd_elf_set_osabi. (elfNN_aarch64_is_function_type): Remove function. (elfNN_aarch64_allocate_dynrelocs): Handle STT_GNU_IFUNC symbols. (elfNN_aarch64_allocate_ifunc_dynrelocs): New function. (elfNN_aarch64_allocate_local_dynrelocs): New function. (elfNN_aarch64_allocate_local_ifunc_dynrelocs): New function. (elfNN_aarch64_size_dynamic_sections): Call elfNN_aarch64_allocate_local_dynrelocs. (elfNN_aarch64_create_small_pltn_entry): Add info argument. Add support for creating .iplt entries for STT_GNU_IFUNC symbols. (elfNN_aarch64_finish_dynamic_symbol): Add support for handling STT_GNU_IFUNC symbols and .iplt. (elfNN_aarch64_finish_local_dynamic_symbol): New function. (elfNN_aarch64_finish_dynamic_sections): Call elfNN_aarch64_finish_local_dynamic_symbol. ld/ChangeLog: 2013-10-03 Will Newton <will.newton@linaro.org> * emulparams/aarch64elf.sh: Add IREL_IN_PLT. * emulparams/aarch64elf32.sh: Likewise. ld/testsuite/ChangeLog: 2013-10-03 Will Newton <will.newton@linaro.org> * ld-ifunc/ifunc.exp: Enable ifunc tests for AArch64. * ld-aarch64/aarch64-elf.exp: Run ifunc tests. * ld-aarch64/ifunc-1-local.d: New file. * ld-aarch64/ifunc-1-local.s: Likewise. * ld-aarch64/ifunc-1.d: Likewise. * ld-aarch64/ifunc-1.s: Likewise. * ld-aarch64/ifunc-10.d: Likewise. * ld-aarch64/ifunc-10.s: Likewise. * ld-aarch64/ifunc-11.d: Likewise. * ld-aarch64/ifunc-11.s: Likewise. * ld-aarch64/ifunc-12.d: Likewise. * ld-aarch64/ifunc-12.s: Likewise. * ld-aarch64/ifunc-13.d: Likewise. * ld-aarch64/ifunc-13a.s: Likewise. * ld-aarch64/ifunc-13b.s: Likewise. * ld-aarch64/ifunc-14a.d: Likewise. * ld-aarch64/ifunc-14a.s: Likewise. * ld-aarch64/ifunc-14b.d: Likewise. * ld-aarch64/ifunc-14b.s: Likewise. * ld-aarch64/ifunc-14c.d: Likewise. * ld-aarch64/ifunc-14c.s: Likewise. * ld-aarch64/ifunc-14d.d: Likewise. * ld-aarch64/ifunc-14e.d: Likewise. * ld-aarch64/ifunc-14f.d: Likewise. * ld-aarch64/ifunc-15.d: Likewise. * ld-aarch64/ifunc-15.s: Likewise. * ld-aarch64/ifunc-16.d: Likewise. * ld-aarch64/ifunc-16.s: Likewise. * ld-aarch64/ifunc-17a.d: Likewise. * ld-aarch64/ifunc-17a.s: Likewise. * ld-aarch64/ifunc-17b.d: Likewise. * ld-aarch64/ifunc-17b.s: Likewise. * ld-aarch64/ifunc-18a.d: Likewise. * ld-aarch64/ifunc-18a.s: Likewise. * ld-aarch64/ifunc-18b.d: Likewise. * ld-aarch64/ifunc-18b.s: Likewise. * ld-aarch64/ifunc-19a.d: Likewise. * ld-aarch64/ifunc-19a.s: Likewise. * ld-aarch64/ifunc-19b.d: Likewise. * ld-aarch64/ifunc-19b.s: Likewise. * ld-aarch64/ifunc-2-local.d: Likewise. * ld-aarch64/ifunc-2-local.s: Likewise. * ld-aarch64/ifunc-2.d: Likewise. * ld-aarch64/ifunc-2.s: Likewise. * ld-aarch64/ifunc-20.d: Likewise. * ld-aarch64/ifunc-20.s: Likewise. * ld-aarch64/ifunc-3.s: Likewise. * ld-aarch64/ifunc-3a.d: Likewise. * ld-aarch64/ifunc-3b.d: Likewise. * ld-aarch64/ifunc-4.d: Likewise. * ld-aarch64/ifunc-4.s: Likewise. * ld-aarch64/ifunc-4a.d: Likewise. * ld-aarch64/ifunc-5-local.s: Likewise. * ld-aarch64/ifunc-5.s: Likewise. * ld-aarch64/ifunc-5a-local.d: Likewise. * ld-aarch64/ifunc-5a.d: Likewise. * ld-aarch64/ifunc-5b-local.d: Likewise. * ld-aarch64/ifunc-5b.d: Likewise. * ld-aarch64/ifunc-5r-local.d: Likewise. * ld-aarch64/ifunc-6.s: Likewise. * ld-aarch64/ifunc-6a.d: Likewise. * ld-aarch64/ifunc-6b.d: Likewise. * ld-aarch64/ifunc-7.s: Likewise. * ld-aarch64/ifunc-7a.d: Likewise. * ld-aarch64/ifunc-7b.d: Likewise. * ld-aarch64/ifunc-7c.d: Likewise. * ld-aarch64/ifunc-8.d: Likewise. * ld-aarch64/ifunc-8a.s: Likewise. * ld-aarch64/ifunc-8b.s: Likewise. * ld-aarch64/ifunc-9.d: Likewise. * ld-aarch64/ifunc-9.s: Likewise. |
||
Will Newton
|
8847944f8c |
aarch64: Revert AArch64 ifunc changes.
The AArch64 ifunc patch introduced a regression caused by incorrect PLT layout. Revert it until a fix is verified. bfd/ChangeLog: 2013-06-19 Will Newton <will.newton@linaro.org> * configure: Regenerated. * configure.in: Remove aarch64 dependency on elf-ifunc.c. * elf64-aarch64.c: Remove objalloc.h include. (elf64_aarch64_howto_dynrelocs): Remove R_AARCH64_IRELATIVE howto. (struct elf64_aarch64_link_hash_table): Remove ifunc related members. (elf_aarch64_local_htab_hash): Remove function. (elf_aarch64_local_htab_eq): Remove function. (elf_aarch64_get_local_sym_hash): Remove function. (elf64_aarch64_link_hash_table_create): Remove local hash table initialization. (elf64_aarch64_final_link_relocate): Remove sym argument and handling of ifunc symbols. (elf64_aarch64_relocate_section): Don't pass sym argument to elf64_aarch64_final_link_relocate. (elf64_aarch64_gc_sweep_hook): Remove handling of ifunc symbols. (elf64_aarch64_adjust_dynamic_symbol): Likewise. (elf64_aarch64_check_relocs): Likewise. (elf64_aarch64_post_process_headers): Remove call to _bfd_elf_set_osabi. (elf64_aarch64_is_function_type): New function. (elf64_aarch64_allocate_dynrelocs): Remove handling of ifunc symbols. (elf_aarch64_allocate_local_dynrelocs): Remove function. (elf64_aarch64_size_dynamic_sections): Remove call to elf_aarch64_allocate_local_dynrelocs. (elf64_aarch64_create_small_pltn_entry): Remove info argument. Remove creation of R_AARCH64_IRELATIVE dynamic relocs. (elf64_aarch64_finish_dynamic_symbol): Remove handling of ifunc symbols. (elf_aarch64_finish_local_dynamic_symbol): Remove function. (elf64_aarch64_finish_dynamic_sections): Remove call to elf_aarch64_finish_local_dynamic_symbol. (elf64_aarch64_add_symbol_hook): Remove function. include/elf/ChangeLog: 2013-06-19 Will Newton <will.newton@linaro.org> * aarch64.h: Remove R_AARCH64_IRELATIVE. ld/ChangeLog: 2013-06-19 Will Newton <will.newton@linaro.org> * emulparams/aarch64elf.sh: Remove IREL_IN_PLT. ld/testsuite/ChangeLog: 2013-06-19 Will Newton <will.newton@linaro.org> * ld-aarch64/aarch64-elf.exp: Remove ifunc tests. * ld-ifunc/ifunc.exp: Disable ifunc tests on AArch64. * ld-aarch64/ifunc-1-local.d: Remove. * ld-aarch64/ifunc-1-local.s: Likewise. * ld-aarch64/ifunc-1.d: Likewise. * ld-aarch64/ifunc-1.s: Likewise. * ld-aarch64/ifunc-10.d: Likewise. * ld-aarch64/ifunc-10.s: Likewise. * ld-aarch64/ifunc-11.d: Likewise. * ld-aarch64/ifunc-11.s: Likewise. * ld-aarch64/ifunc-12.d: Likewise. * ld-aarch64/ifunc-12.s: Likewise. * ld-aarch64/ifunc-13.d: Likewise. * ld-aarch64/ifunc-13a.s: Likewise. * ld-aarch64/ifunc-13b.s: Likewise. * ld-aarch64/ifunc-14a.d: Likewise. * ld-aarch64/ifunc-14a.s: Likewise. * ld-aarch64/ifunc-14b.d: Likewise. * ld-aarch64/ifunc-14b.s: Likewise. * ld-aarch64/ifunc-14c.d: Likewise. * ld-aarch64/ifunc-14c.s: Likewise. * ld-aarch64/ifunc-14d.d: Likewise. * ld-aarch64/ifunc-14e.d: Likewise. * ld-aarch64/ifunc-14f.d: Likewise. * ld-aarch64/ifunc-15.d: Likewise. * ld-aarch64/ifunc-15.s: Likewise. * ld-aarch64/ifunc-16.d: Likewise. * ld-aarch64/ifunc-16.s: Likewise. * ld-aarch64/ifunc-17a.d: Likewise. * ld-aarch64/ifunc-17a.s: Likewise. * ld-aarch64/ifunc-17b.d: Likewise. * ld-aarch64/ifunc-17b.s: Likewise. * ld-aarch64/ifunc-18a.d: Likewise. * ld-aarch64/ifunc-18a.s: Likewise. * ld-aarch64/ifunc-18b.d: Likewise. * ld-aarch64/ifunc-18b.s: Likewise. * ld-aarch64/ifunc-19a.d: Likewise. * ld-aarch64/ifunc-19a.s: Likewise. * ld-aarch64/ifunc-19b.d: Likewise. * ld-aarch64/ifunc-19b.s: Likewise. * ld-aarch64/ifunc-2-local.d: Likewise. * ld-aarch64/ifunc-2-local.s: Likewise. * ld-aarch64/ifunc-2.d: Likewise. * ld-aarch64/ifunc-2.s: Likewise. * ld-aarch64/ifunc-20.d: Likewise. * ld-aarch64/ifunc-20.s: Likewise. * ld-aarch64/ifunc-3.s: Likewise. * ld-aarch64/ifunc-3a.d: Likewise. * ld-aarch64/ifunc-3b.d: Likewise. * ld-aarch64/ifunc-4.d: Likewise. * ld-aarch64/ifunc-4.s: Likewise. * ld-aarch64/ifunc-4a.d: Likewise. * ld-aarch64/ifunc-5-local.s: Likewise. * ld-aarch64/ifunc-5.s: Likewise. * ld-aarch64/ifunc-5a-local.d: Likewise. * ld-aarch64/ifunc-5a.d: Likewise. * ld-aarch64/ifunc-5b-local.d: Likewise. * ld-aarch64/ifunc-5b.d: Likewise. * ld-aarch64/ifunc-5r-local.d: Likewise. * ld-aarch64/ifunc-6.s: Likewise. * ld-aarch64/ifunc-6a.d: Likewise. * ld-aarch64/ifunc-6b.d: Likewise. * ld-aarch64/ifunc-7.s: Likewise. * ld-aarch64/ifunc-7a.d: Likewise. * ld-aarch64/ifunc-7b.d: Likewise. * ld-aarch64/ifunc-7c.d: Likewise. * ld-aarch64/ifunc-8.d: Likewise. * ld-aarch64/ifunc-8a.s: Likewise. * ld-aarch64/ifunc-8b.s: Likewise. * ld-aarch64/ifunc-9.d: Likewise. * ld-aarch64/ifunc-9.s: Likewise. |
||
Will Newton
|
6c74eac210 |
ld/testsuite: Enable ifunc tests on AArch64 big-endian.
ld/testsuite/ChangeLog: 2013-06-17 Will Newton <will.newton@linaro.org> * ld-aarch64/ifunc-1-local.d: Enable test on aarch64_be. * ld-aarch64/ifunc-1.d: Likewise. * ld-aarch64/ifunc-10.d: Likewise. * ld-aarch64/ifunc-11.d: Likewise. * ld-aarch64/ifunc-12.d: Likewise. * ld-aarch64/ifunc-13.d: Likewise. * ld-aarch64/ifunc-14a.d: Likewise. * ld-aarch64/ifunc-14b.d: Likewise. * ld-aarch64/ifunc-14c.d: Likewise. * ld-aarch64/ifunc-14d.d: Likewise. * ld-aarch64/ifunc-14e.d: Likewise. * ld-aarch64/ifunc-14f.d: Likewise. * ld-aarch64/ifunc-15.d: Likewise. * ld-aarch64/ifunc-16.d: Likewise. * ld-aarch64/ifunc-17a.d: Likewise. * ld-aarch64/ifunc-17b.d: Likewise. * ld-aarch64/ifunc-18a.d: Likewise. * ld-aarch64/ifunc-18b.d: Likewise. * ld-aarch64/ifunc-19a.d: Likewise. * ld-aarch64/ifunc-19b.d: Likewise. * ld-aarch64/ifunc-2-local.d: Likewise. * ld-aarch64/ifunc-2.d: Likewise. * ld-aarch64/ifunc-20.d: Likewise. * ld-aarch64/ifunc-3a.d: Likewise. * ld-aarch64/ifunc-3b.d: Likewise. * ld-aarch64/ifunc-4.d: Likewise. * ld-aarch64/ifunc-4a.d: Likewise. * ld-aarch64/ifunc-5a-local.d: Likewise. * ld-aarch64/ifunc-5a.d: Likewise. * ld-aarch64/ifunc-5b-local.d: Likewise. * ld-aarch64/ifunc-5b.d: Likewise. * ld-aarch64/ifunc-5r-local.d: Likewise. * ld-aarch64/ifunc-6a.d: Likewise. * ld-aarch64/ifunc-6b.d: Likewise. * ld-aarch64/ifunc-7a.d: Likewise. * ld-aarch64/ifunc-7b.d: Likewise. * ld-aarch64/ifunc-8.d: Likewise. * ld-aarch64/ifunc-9.d: Likewise. * ld-ifunc/ifunc.exp: Likewise. |
||
Will Newton
|
692e2b8bcd |
aarch64: Add support for GNU indirect functions.
Add support for STT_GNU_IFUNC symbols to the AArch64 bfd backend. The tests are ported from the ld-ifunc tests but are enabled for cross builds so can be run easily without hardware or a simulator. bfd/ChangeLog: 2013-06-07 Will Newton <will.newton@linaro.org> * configure: Regenerate. * configure.in: Build elf-ifunc.o for AArch64. * elf64-aarch64.c: Include objalloc.h. (elf64_aarch64_howto_dynrelocs): Add R_AARCH64_IRELATIVE howto. (struct elf64_aarch64_link_hash_table): Add members for handling R_AARCH64_IRELATIVE relocations. (elf_aarch64_local_htab_hash): New function. (elf_aarch64_local_htab_eq): New function. (elf_aarch64_get_local_sym_hash): New function. (elf64_aarch64_link_hash_table_create): Initialize local STT_GNU_IFUNC symbol hash. (elf64_aarch64_hash_table_free): Free local STT_GNU_IFUNC symbol hash. (elf64_aarch64_final_link_relocate): Add sym argument. Add support for handling STT_GNU_IFUNC symbols. (elf64_aarch64_gc_sweep_hook): Add support for garbage collecting references to STT_GNU_IFUNC symbols. (elf64_aarch64_adjust_dynamic_symbol): Add support for handling STT_GNU_IFUNC symbols. (elf64_aarch64_check_relocs): Add support for handling STT_GNU_IFUNC symbols. Ensure we don't increase plt.refcount from -1 to 0. (elf64_aarch64_post_process_headers): Call _bfd_elf_set_osabi. (elf64_aarch64_is_function_type): Remove function. (elf64_aarch64_allocate_dynrelocs): Call _bfd_elf_allocate_ifunc_dyn_relocs for STT_GNU_IFUNC symbols. (elf_aarch64_allocate_local_dynrelocs): New function. (elf64_aarch64_size_dynamic_sections): Call elf_aarch64_allocate_local_dynrelocs. Initialize next_irelative_index. (elf64_aarch64_create_small_pltn_entry): Add info argument. Add support for creating .iplt entries for STT_GNU_IFUNC symbols. (elf64_aarch64_finish_dynamic_symbol): Add support for handling STT_GNU_IFUNC symbols and .iplt. (elf_aarch64_finish_local_dynamic_symbol): New function. (elf64_aarch64_finish_dynamic_sections): Call elf_aarch64_finish_local_dynamic_symbol. (elf64_aarch64_add_symbol_hook): New function. include/elf/ChangeLog: 2013-06-07 Will Newton <will.newton@linaro.org> * aarch64.h: Add R_AARCH64_IRELATIVE reloc. ld/ChangeLog: 2013-06-07 Will Newton <will.newton@linaro.org> * emulparams/aarch64elf.sh: Add IREL_IN_PLT. ld/testsuite/ChangeLog: 2013-06-07 Will Newton <will.newton@linaro.org> * ld-ifunc/ifunc.exp: Enable ifunc tests for AArch64. * ld-aarch64/aarch64-elf.exp: Add ifunc tests. * ld-aarch64/ifunc-1-local.d: New file. * ld-aarch64/ifunc-1-local.s: Likewise. * ld-aarch64/ifunc-1.d: Likewise. * ld-aarch64/ifunc-1.s: Likewise. * ld-aarch64/ifunc-10.d: Likewise. * ld-aarch64/ifunc-10.s: Likewise. * ld-aarch64/ifunc-11.d: Likewise. * ld-aarch64/ifunc-11.s: Likewise. * ld-aarch64/ifunc-12.d: Likewise. * ld-aarch64/ifunc-12.s: Likewise. * ld-aarch64/ifunc-13.d: Likewise. * ld-aarch64/ifunc-13a.s: Likewise. * ld-aarch64/ifunc-13b.s: Likewise. * ld-aarch64/ifunc-14a.d: Likewise. * ld-aarch64/ifunc-14a.s: Likewise. * ld-aarch64/ifunc-14b.d: Likewise. * ld-aarch64/ifunc-14b.s: Likewise. * ld-aarch64/ifunc-14c.d: Likewise. * ld-aarch64/ifunc-14c.s: Likewise. * ld-aarch64/ifunc-14d.d: Likewise. * ld-aarch64/ifunc-14e.d: Likewise. * ld-aarch64/ifunc-14f.d: Likewise. * ld-aarch64/ifunc-15.d: Likewise. * ld-aarch64/ifunc-15.s: Likewise. * ld-aarch64/ifunc-16.d: Likewise. * ld-aarch64/ifunc-16.s: Likewise. * ld-aarch64/ifunc-17a.d: Likewise. * ld-aarch64/ifunc-17a.s: Likewise. * ld-aarch64/ifunc-17b.d: Likewise. * ld-aarch64/ifunc-17b.s: Likewise. * ld-aarch64/ifunc-18a.d: Likewise. * ld-aarch64/ifunc-18a.s: Likewise. * ld-aarch64/ifunc-18b.d: Likewise. * ld-aarch64/ifunc-18b.s: Likewise. * ld-aarch64/ifunc-19a.d: Likewise. * ld-aarch64/ifunc-19a.s: Likewise. * ld-aarch64/ifunc-19b.d: Likewise. * ld-aarch64/ifunc-19b.s: Likewise. * ld-aarch64/ifunc-2-local.d: Likewise. * ld-aarch64/ifunc-2-local.s: Likewise. * ld-aarch64/ifunc-2.d: Likewise. * ld-aarch64/ifunc-2.s: Likewise. * ld-aarch64/ifunc-20.d: Likewise. * ld-aarch64/ifunc-20.s: Likewise. * ld-aarch64/ifunc-3.s: Likewise. * ld-aarch64/ifunc-3a.d: Likewise. * ld-aarch64/ifunc-3b.d: Likewise. * ld-aarch64/ifunc-4.d: Likewise. * ld-aarch64/ifunc-4.s: Likewise. * ld-aarch64/ifunc-4a.d: Likewise. * ld-aarch64/ifunc-5-local.s: Likewise. * ld-aarch64/ifunc-5.s: Likewise. * ld-aarch64/ifunc-5a-local.d: Likewise. * ld-aarch64/ifunc-5a.d: Likewise. * ld-aarch64/ifunc-5b-local.d: Likewise. * ld-aarch64/ifunc-5b.d: Likewise. * ld-aarch64/ifunc-5r-local.d: Likewise. * ld-aarch64/ifunc-6.s: Likewise. * ld-aarch64/ifunc-6a.d: Likewise. * ld-aarch64/ifunc-6b.d: Likewise. * ld-aarch64/ifunc-7.s: Likewise. * ld-aarch64/ifunc-7a.d: Likewise. * ld-aarch64/ifunc-7b.d: Likewise. * ld-aarch64/ifunc-8.d: Likewise. * ld-aarch64/ifunc-8a.s: Likewise. * ld-aarch64/ifunc-8b.s: Likewise. * ld-aarch64/ifunc-9.d: Likewise. * ld-aarch64/ifunc-9.s: Likewise. |