ld/
* emultempl/armelf.em: Include elf/arm.h.
(arm_elf_finish): Set low address bit if enty point is a Thumb
function.
ld/testsuite/
* ld-arm/arm-elf.exp: Add thumb-entry test.
* ld-arm/thumb-entry.d: New test.
* ld-arm/thumb-entry.s: New test.
* arm.h: Import complete list of official relocation names
and numbers from AAELF. Define FAKE_RELOCs for old names.
Remove a few old names no longer used anywhere.
bfd:
* elf32-arm.c: Wherever possible, use official reloc names
from AAELF.
(elf32_arm_howto_table, elf32_arm_tls_gd32_howto)
(elf32_arm_tls_ldo32_howto, elf32_arm_tls_ldm32_howto)
(elf32_arm_tls_le32_howto, elf32_arm_tls_ie32_howto)
(elf32_arm_vtinherit_howto, elf32_arm_vtentry_howto)
(elf32_arm_pc11_howto, elf32_arm_thm_pc9_howto, elf32_arm_got_prel)
(elf32_arm_r_howto): Replace with elf32_arm_howto_table_1,
elf32_arm_howto_table_2, and elf32_arm_howto_table_3.
Add many new relocations from AAELF.
(elf32_arm_howto_from_type): Update to match.
(elf32_arm_reloc_map): Add entries for R_ARM_THM_JUMP24,
R_ARM_THM_JUMP11, R_ARM_THM_JUMP19, R_ARM_THM_JUMP8,
R_ARM_THM_JUMP6, R_ARM_GNU_VTINHERIT, and R_ARM_GNU_VTENTRY.
(elf32_arm_reloc_type_lookup): Use elf32_arm_howto_from_type.
(elf32_arm_final_link_relocate): Add support for
R_ARM_THM_JUMP24, R_ARM_THM_JUMP19, R_ARM_THM_JUMP6. Remove
case entries redundant with default.
* reloc.c: Reorganize ARM relocations. Add Thumb
assembler-internal relocations BFD_RELOC_ARM_T32_OFFSET_U8,
BFD_RELOC_ARM_T32_OFFSET_IMM, BFD_RELOC_ARM_T32_IMMEDIATE.
Add visible relocations BFD_RELOC_THUMB_PCREL_BRANCH7,
BFD_RELOC_THUMB_BRANCH20, BFD_RELOC_THUMB_BRANCH25.
Delete unused relocations BFD_RELOC_ARM_GOT12, BFD_RELOC_ARM_COPY.
* bfd-in2.h, libbfd.h: Regenerate.
opcodes:
* arm-dis.c (thumb_opcodes): Add disassembly for V6T2 16-bit
instructions. Adjust disassembly of some opcodes to match
unified syntax.
(thumb32_opcodes): New table.
(print_insn_thumb): Rename print_insn_thumb16; don't handle
two-halfword branches here.
(print_insn_thumb32): New function.
(print_insn): Choose among print_insn_arm, print_insn_thumb16,
and print_insn_thumb32. Be consistent about order of
halfwords when printing 32-bit instructions.
gas:
* hash.c (hash_lookup): Add len parameter. All callers changed.
(hash_find_n): New interface.
* hash.h: Prototype hash_find_n.
* sb.c: Include as.h.
(scrub_from_sb, sb_to_scrub, scrub_position): New statics.
(sb_scrub_and_add_sb): New interface.
* sb.h: Prototype sb_scrub_and_add_sb.
* input-scrub.c (input_scrub_include_sb): Use sb_scrub_and_add_sb.
* config/tc-arm.h (TC_FORCE_RELOCATION_LOCAL): Remove
reference to BFD_RELOC_ARM_GOT12 which is never generated.
* config/tc-arm.c: Rewrite, adding Thumb-2 support.
gas/testsuite:
* gas/arm/arm.exp: Convert all existing "gas_test" tests to
"run_dump_test" tests. Run more tests unconditionally. Run new tests.
* gas/arm/arch4t.s, gas/arm/arch6zk.s, gas/arm/arm3.s, gas/arm/arm6.s
* gas/arm/arm7dm.s, gas/arm/bignum1.s, gas/arm/float.s
* gas/arm/immed.s, gas/arm/iwmmxt.s, gas/arm/offset.s, gas/arm/thumb.s:
Adjust to work as a dump test.
* gas/arm/arch4t.d, gas/arm/arch6zk.d, gas/arm/arm3.d, gas/arm/arm6.d
* gas/arm/arm7dm.d, gas/arm/bignum1.d, gas/arm/float.d
* gas/arm/immed.d, gas/arm/iwmmxt.d, gas/arm/offset.d, gas/arm/thumb.d:
New files.
* gas/arm/armv1-bad.l, gas/arm/armv1-bad.s: Remove tests for
diagnostics that don't happen in the first pass anymore.
* gas/arm/iwmmxt-bad.l, gas/arm/r15-bad.l, gas/arm/req.l
* gas/arm/vfp-bad.l:
Update expected diagnostics.
* gas/arm/pic.d: Update expected reloc name.
* gas/arm/thumbv6.d: CPY no longer appears in disassembly.
* gas/arm/r15-bad.s: Avoid two-argument mul.
* gas/arm/req.s: Adjust comments.
* gas/arm/maverick.d, gas/arm/maverick.s: Avoid inappropriate
use of PC.
* gas/arm/macro-1.d, gas/arm/macro1.s
* gas/arm/t16-bad.l, gas/arm/t16-bad.s
* gas/arm/tcompat.d, gas/arm/tcompat.s
* gas/arm/tcompat2.d, gas/arm/tcompat2.s
* gas/arm/thumb32.d, gas/arm/thumb32.s
New test pair.
ld/testsuite:
* ld-arm/mixed-app.d: Adjust expected disassembly a little.
* bfd/bfd-in2.h: Regenerate.
* bfd/elf32-arm.c (elf32_arm_is_target_special_symbol): Rename call to
bfd_elf32_is_arm_mapping_symbol_name.
(elf32_arm_output_symbol_hook): Likewise.
(arm_elf_find_function): Likewise, and include STT_NOTYPE in test for
mapping symbols.
(is_arm_mapping_symbol_name): Function moved from here...
* bfd/cpu-arm.c (bfd_elf32_is_arm_mapping_symbol_name): ...to here,
renamed and made global.
* gas/config/tc-arm.c (mapping_state): Change documentation in function
comment to cross-reference spec instead. Change type of mapping symbols
to BSF_NO_TYPE.
(arm_adjust_symtab): Don't change type of mapping symbols here.
* gas/testsuite/gas/arm/mapping.d: Update expected output.
* ld/testsuite/ld-arm/arm-app-abs32.d: Likewise.
* ld/testsuite/ld-arm/arm-app.d: Likewise.
* ld/testsuite/ld-arm/mixed-app.d: Likewise.
* elf32-arm.c (PLT_THUMB_STUB_SIZE): Define.
(elf32_arm_plt_thumb_stub): New.
(struct elf32_arm_link_hash_entry): Add plt_thumb_refcount
and plt_got_offset.
(elf32_arm_link_hash_traverse): Fix typo.
(elf32_arm_link_hash_table): Add obfd.
(elf32_arm_link_hash_newfunc): Initialize new fields.
(elf32_arm_copy_indirect_symbol): Copy plt_thumb_refcount.
(elf32_arm_link_hash_table_create): Initialize obfd.
(record_arm_to_thumb_glue): Mark the glue as a local ARM function.
(record_thumb_to_arm_glue): Mark the glue as a local Thumb function.
(bfd_elf32_arm_get_bfd_for_interworking): Verify that the
interworking BFD is not dynamic.
(bfd_elf32_arm_process_before_allocation): Handle R_ARM_PLT32. Do
not emit glue for PLT references.
(elf32_arm_final_link_relocate): Handle Thumb functions. Do not
emit glue for PLT references. Support the Thumb PLT prefix.
(elf32_arm_gc_sweep_hook): Handle R_ARM_THM_PC22 and
plt_thumb_refcount.
(elf32_arm_check_relocs): Likewise.
(elf32_arm_adjust_dynamic_symbol): Handle Thumb functions and
plt_thumb_refcount.
(allocate_dynrelocs): Handle Thumb PLT references.
(elf32_arm_finish_dynamic_symbol): Likewise.
(elf32_arm_symbol_processing): New function.
(elf_backend_symbol_processing): Define.
opcodes/
* arm-dis.c (WORD_ADDRESS): Define.
(print_insn): Use it. Correct big-endian end-of-section handling.
gas/testsuite/
* gas/arm/mapping.d: Expect F markers for Thumb code.
* gas/arm/unwind.d: Update big-endian pattern.
ld/
* emultempl/armelf.em (arm_elf_set_bfd_for_interworking): Don't use
a dynamic object for stubs.
ld/testsuite/
* ld-arm/mixed-app.d, ld-arm/mixed-app.r, ld-arm/mixed-app.s,
ld-arm/mixed-app.sym, ld-arm/mixed-lib.d, ld-arm/mixed-lib.r,
ld-arm/mixed-lib.s, ld-arm/mixed-lib.sym, ld-arm/arm-dyn.ld,
ld-arm/arm-lib.ld: New files.
* ld-arm/arm-app-abs32.d, ld-arm/arm-app-abs32.r, ld-arm/arm-app.d,
ld-arm/arm-app.r, ld-arm/arm-lib-plt32.d, ld-arm/arm-lib-plt32.r,
ld-arm/arm-lib.d, ld-arm/arm-lib.r, ld-arm/arm-static-app.d,
ld-arm/arm-static-app.r: Update for big-endian.
* ld-arm/arm-elf.exp: Run the new tests.
