bce06a5f2f
[AArch64, ILP32] 3/6 Support for ELF32 relocs and refactor reloc handling
...
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.
2013-06-26 10:47:06 +00:00
92d098c9ca
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.
2013-06-19 10:30:56 +00:00
0d284dd0c1
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.
2013-06-07 18:57:00 +00:00
6b6cafe933
Correct the relocation names for R_AARCH64_TLSDESC_LD_PREL19 and R_AARCH64_TLSDESC_ADR_PAGE21.
2013-05-28 16:39:51 +00:00
5e99ba945a
2012-09-11 Chris Schlumberger-Socha <chris.schlumberger-socha@arm.com>
...
bfd/
* bfd-in2.h: Regenerated.
* elf64-aarch64.c
(elf64_aarch64_howto_table): Add R_AARCH64_GOT_LD_PREL19 reloc to HOWTO.
(elf64_aarch64_reloc_map): Add reloc entry.
(aarch64_resolve_relocation): Likewise.
(bfd_elf_aarch64_put_addend): Likewise.
(aarch64_reloc_got_type): Likewise.
(elf64_aarch64_final_link_relocate): Likewise.
(lf64_aarch64_check_relocs): Likewise.
(elf64_aarch64_check_relocs): New case for R_AARCH64_ADR_PREL_LO21
reloc.
* libbfd.h: Regenerated.
* reloc.c (R_AARCH64_GOT_LD_PREL19): New reloc.
gas/
* config/tc-aarch64.c
(reloc_table): Add reloc to table entry.
(parse_address_main): Add support for #:<reloc_op>:<symbol>.
(parse_operands): Check for unused reloc.
(md_apply_fix): New case for reloc.
(aarch64_force_relocation): Likewise.
gas/testsuite
* gas/aarch64/reloc-insn.d
(BFD_RELOC_AARCH64_GOT_LD_PREL19): Add expected asm for new reloc test.
* gas/aarch64/reloc-insn.s
(BFD_RELOC_AARCH64_GOT_LD_PREL19): Add test for reloc.
include/
* elf/aarch64.h (R_AARCH64_GOT_LD_PREL19): New reloc.
ld/testsuite
* ld-aarch64/aarch64-elf.exp: New reloc tests.
* ld-aarch64/emit-relocs-309-low-bad.d: New file. Expected asm for test
failure (lower bound overflow).
* ld-aarch64/emit-relocs-309-low.d: New file. Expected asm for test
success (lower bound).
* ld-aarch64/emit-relocs-309-up-bad.d: New file. Expected asm for test
failure (upper bound overflow).
* ld-aarch64/emit-relocs-309-up.d: New file. Expected asm for test
success (upper bound).
* ld-aarch64/emit-relocs-309.s: New file. Asm for new reloc tests.
2012-09-12 16:25:49 +00:00
de522be6db
Add support for 64-bit ARM architecture: AArch64
2012-08-13 14:52:48 +00:00
Yufeng Zhang
Will Newton
Richard Earnshaw
Nick Clifton