[AArch64, ILP32] 3/6 Support for ELF32 relocs and refactor reloc handling

Programming / Debugging / GDB - yufeng [ufeng] - 26 June 2013 05:47 UTC

bfd/

- bfd-in2.h: Re-generated.
- elfnn-aarch64.c (HOWTO64, HOWTO32): New define. (IS_AARCH64_TLS_RELOC): Change to be based on the bfd reloc enumerators. (IS_AARCH64_TLSDESC_RELOC): Likewise. (PG, PG_OFFSET): Cast literal to bfd_vma. (elf64_aarch64_howto_table): Removed. (elf64_aarch64_howto_dynrelocs): Removed. (elf64_aarch64_tls_howto_table): Removed. (elf64_aarch64_tlsdesc_howto_table): Removed. (elfNN_aarch64_howto_table): New table to host all howto entires.. (R_AARCH64_*): Replaced by AARCH64_R (*) and AARCH64_R_STR (*). (elfNN_aarch64_bfd_reloc_from_howto): New function. (elfNN_aarch64_bfd_reloc_from_type): Ditto. (struct elf_aarch64_reloc_map): New. (elf_aarch64_reloc_map): New table. (elfNN_aarch64_howto_from_bfd_reloc): New function. (elfNN_aarch64_howto_from_type): Update to look up the new table elfNN_aarch64_howto_table. (struct elf64_aarch64_reloc_map): Remove. (elf64_aarch64_reloc_map): Remove. (elfNN_aarch64_reloc_type_lookup): Change to call elfNN_aarch64_howto_from_bfd_reloc. (elfNN_aarch64_reloc_name_lookup): Change to look up the new table elfNN_aarch64_howto_table. (aarch64_resolve_relocation): Refactor to switch on the bfd reloc enumerators. (bfd_elf_aarch64_put_addend): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (aarch64_tls_transition_without_check): Likewise. (aarch64_reloc_got_type): Likewise. (aarch64_can_relax_tls): Likewise. (aarch64_tls_transition): Likewise. (elfNN_aarch64_tls_relax): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. (elfNN_aarch64_gc_sweep_hook): Likewise. (elfNN_aarch64_check_relocs): Likewise. (aarch64_tls_transition): Change to return a bfd reloc enumerator.
- libbfd.h: Re-generated.
- reloc.c: Re-order the AArch64 bfd reloc enumerators. (BFD_RELOC_AARCH64_RELOC_START) (BFD_RELOC_AARCH64_RELOC_END) (BFD_RELOC_AARCH64_LD_GOT_LO12_NC) (BFD_RELOC_AARCH64_LD32_GOT_LO12_NC) (BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC) (BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC) (BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC) (BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC) (BFD_RELOC_AARCH64_IRELATIVE): New relocs.

gas/

- config/tc-aarch64.c (reloc_table): Replace BFD_RELOC_AARCH64_LD64_GOT_LO12_NC with BFD_RELOC_AARCH64_LD_GOT_LO12_NC; likewise to BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC and BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC. (md_apply_fix): Handle BFD_RELOC_AARCH64_LD_GOT_LO12_NC, BFD_RELOC_AARCH64_LD32_GOT_LO12_NC, BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC, BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC, BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC and BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC. (aarch64_force_relocation): Likewise.

gas/testsuite/

- gas/aarch64/ilp32-basic.d: New file.
- gas/aarch64/ilp32-basic.s: New file.

include/elf/

- aarch64.h: Add ELF32 reloc codes and remove fake ELF64 ones. (R_AARCH64_IRELATIVE): New reloc.

919cff2 [AArch64, ILP32] 3/6 Support for ELF32 relocs and refactor reloc handling
bfd/ChangeLog | 53 ++
bfd/bfd-in2.h | 331 ++++++----
bfd/elfnn-aarch64.c | 1647 +++++++++++++++++++++++++------------------------
bfd/libbfd.h | 108 ++--
bfd/reloc.c | 359 +++++++----
include/elf/ChangeLog | 4 +
include/elf/aarch64.h | 136 +++-
7 files changed, 1517 insertions(+), 1121 deletions(-)

Upstream: sourceware.org

  • Share