Commit Graph

201 Commits

Author SHA1 Message Date
Paul Brook 2468f9c95d 2009-05-05 Paul Brook <paul@codesourcery.com>
bfd/
	* bfd-in.h (elf32_arm_fix_exidx_coverage): Add prototype.
	* bfd-in2.h: Regenerate.
	* elf32-arm.c (arm_unwind_edit_type, arm_unwind_table_edit): Define.
	(_arm_elf_section_data): Add text and exidx fields.
	(add_unwind_table_edit, get_arm_elf_section_data, adjust_exidx_size,
	insert_cantunwind_after, elf32_arm_fix_exidx_coverage, offset_prel31,
	copy_exidx_entry): New functions.
	(elf32_arm_write_section): Fixup .ARM.exidx contents.

	ld/
	* emultempl/armelf.em (compare_output_sec_vma): New function.
	(gld${EMULATION_NAME}_finish): Add exidx munging code.

	ld/testsuite/
	* ld-arm/arm.ld: Add .ARM.exidx and .ARM.extab.
	* ld-arm/arm-elf.exp: Add unwind-[1-4].
	* ld-arm/unwind-1.d: New test.
	* ld-arm/unwind-1.s: New test.
	* ld-arm/unwind-2.d: New test.
	* ld-arm/unwind-2.s: New test.
	* ld-arm/unwind-3.d: New test.
	* ld-arm/unwind-3.s: New test.
	* ld-arm/unwind-4.d: New test.
	* ld-arm/unwind-4.s: New test.
2009-05-05 14:18:30 +00:00
Christophe Lyon 738a79f669 2009-05-05 Christophe lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (DEF_STUBS): New helper define.
	(DEF_STUB): Likewise.
	(stub_def): New type.
	(stub_definitions): New array, containing stub template pointers
	and sizes.
	(arm_size_one_stub): Make use of stub_definitions.
2009-05-05 13:16:56 +00:00
Joseph Myers 96c23d5966 bfd:
* elf32-arm.c (elf32_arm_check_relocs): Give errors for absolute
	MOVW and MOVT relocations in a shared library link.

ld/testsuite:
	* ld-arm/movw-shared-1.d, ld-arm/movw-shared-1.s,
	ld-arm/movw-shared-2.d, ld-arm/movw-shared-2.s,
	ld-arm/movw-shared-3.d, ld-arm/movw-shared-3.s,
	ld-arm/movw-shared-4.d, ld-arm/movw-shared-4.s: New tests.
	* ld-arm/arm-elf.exp: Run these new tests.
2009-04-30 00:01:11 +00:00
Christophe Lyon 155d87d738 2009-04-22 Christophe Lyon <christophe.lyon@st.com>
PR9743
	bfd/
	* elf32-arm.c (arm_type_of_stub): Handle R_ARM_THM_JUMP24,
	R_ARM_JUMP24 and R_ARM_PLT32 relocations.
	(elf32_arm_size_stubs): Likewise.
	(record_thumb_to_arm_glue): Deleted unused function.
	(bfd_elf32_arm_process_before_allocation): No longer handle
	R_ARM_THM_JUMP24, R_ARM_JUMP24 and R_ARM_PLT32 relocations here.
	(elf32_arm_final_link_relocate): Handle R_ARM_THM_JUMP24,
	R_ARM_JUMP24 and R_ARM_PLT32 relocations.

	testsuite/
	* ld-arm/arm-call.d: Update expected result.
	* ld-arm/arm-pic-veneer.d: Likewise.
	* ld-arm/thumb2-b-interwork.d: Likewise.
2009-04-22 14:01:31 +00:00
Daniel Jacobowitz 3e6b10420e bfd/
* elf32-arm.c (INTERWORK_FLAG): Check BFD_LINKER_CREATED.
	(elf32_arm_write_section): Declare early.
	(elf32_arm_size_stubs): Skip non-stub sections in the stub BFD.
	(arm_allocate_glue_section_space): Exclude empty sections.
	(ARM_GLUE_SECTION_FLAGS): Add SEC_LINKER_CREATED.
	(bfd_elf32_arm_add_glue_sections_to_bfd): Do not skip the stub
	BFD.
	(elf32_arm_output_glue_section, elf32_arm_final_link): New.
	(elf32_arm_merge_eabi_attributes): Skip the stub BFD.
	(elf32_arm_size_dynamic_sections): Allocate interworking
	sections here.
	(bfd_elf32_bfd_final_link): Define.

	ld/
	* emultempl/armelf.em (bfd_for_interwork, arm_elf_after_open)
	(arm_elf_set_bfd_for_interworking): Delete.
	(arm_elf_before_allocation): Do not set the interworking BFD.
	Move allocation inside not-dynamic block.
	(arm_elf_create_output_section_statements): Create glue sections
	and set the interworking BFD here.
	(LDEMUL_AFTER_OPEN): Delete.

	ld/testsuite/
	* ld-arm/farcall-mix.d, ld-arm/farcall-mix2.d,
	ld-arm/farcall-group-size2.d, ld-arm/farcall-group.d,
	ld-arm/farcall-mixed-lib.d: Update for linker changes.
2009-04-21 22:05:04 +00:00
Christophe Lyon 69c5861ee1 2009-04-17 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (elf32_arm_size_stubs): Handle long branches through
	PLT entries to an undefined symbol when generating a shared
	library.

	testsuite/
	* ld-arm/arm-elf.exp: Add new test farcall-mixed-lib.
	* ld-arm/farcall-mixed-lib.d: Update expected output.
	* ld-arm/farcall-mixed-lib1.s: New file.
	* ld-arm/farcall-mixed-lib2.s: New file.
2009-04-17 13:04:41 +00:00
Christophe Lyon 82b5c97a79 2009-04-15 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (elf32_arm_final_link_relocate): Don't convert ARM
	branch to an undef weak symbol into a jump to next instruction if
	a PLT entry will be created.

	testsuite/
	* ld-arm/arm-elf.exp: Add 1 more test to check undef weak
	reference with PLT in ARM mode.
	* ld-arm/thumb2-bl-undefweak1.d, ld-arm/thumb2-bl-undefweak1.s:
	New files.
2009-04-15 13:49:54 +00:00
Christophe Lyon d3626fb08b 2009-04-02 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (elf32_arm_stub_long_branch_v4t_thumb_thumb,
	elf32_arm_stub_long_branch_v4t_thumb_thumb_pic): Two new long
	branch stubs.
	(elf32_arm_stub_type): New enum values for the two new stubs.
	(arm_type_of_stub): Make use of the two new stubs.
	(arm_size_one_stub): Handle the two new stubs.

	testsuite/
	* ld-arm/farcall-thumb-thumb-pic-veneer.d: Update expected
	results.
	* ld-arm/farcall-thumb-thumb.d: Likewise.
2009-04-02 14:12:46 +00:00
Christophe Lyon e780aef286 2009-04-01 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (group_sections): Rewrite loops for better
	readability.
2009-04-01 15:34:12 +00:00
Mark Mitchell 3895f85287 * coff-arm.c (coff_arm_merge_private_bfd_data): Use "error:", not
"ERROR:", in error messages.
	* cpu-arm.c (bfd_arm_merge_machines): Likewise.
	* elf-attrs.c (_bfd_elf_merge_object_attributes): Likewise.
	* elf32-arm.c (tag_cpu_arch_combine): Likewise.
	(elf32_arm_merge_eabi_attributes): Likewise.
	(elf32_arm_merge_private_bfd_data): Likewise.
2009-03-28 23:19:00 +00:00
Daniel Jacobowitz a89e647837 * elf32-arm.c (elf32_arm_check_relocs): Correct symbian_p test. 2009-03-17 14:50:48 +00:00
Nick Clifton ce98a316e9 PR 9934
* elf-bfd.h (NUM_SHDR_ENTRIES): Cope with an empty section.
        * elflink.c (elf_link_read_relocs_from_section): Use
        NUM_SHDR_ENTRIES.  Gracefully handle the case where there are
        relocs but no symbol table.
        * elf32-arm.c (elf32_arm_check_relocs): Likewise.
2009-03-13 11:34:43 +00:00
Christophe Lyon 8cd931b713 09-03-05 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (group_sections): Take next section size into
	account before accepting to group it.

	testsuite/
	* ld-arm/arm-elf.exp: Add new farcall-group-limit test.
	* ld-arm/farcall-group-limit.d: New file.
	* ld-arm/farcall-group3.s: New file.
	* ld-arm/farcall-group4.s: New file.
2009-03-06 08:57:58 +00:00
Christophe Lyon 5fa9e92f74 2009-03-05 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (arm_type_of_stub): Handle long branches targetting
	PLT entries.
	(elf32_arm_final_link_relocate): Likewise.

	testsuite/
	* ld-arm/arm-elf.exp: Add 2 more tests to check long branch stubs
	in PLT context.
	* ld-arm/farcall-mixed-app-v5.d: New file.
	* ld-arm/farcall-mixed-app.d: Likewise.
	* ld-arm/farcall-mixed-app.r: Likewise.
	* ld-arm/farcall-mixed-app.s: Likewise.
	* ld-arm/farcall-mixed-app.sym: Likewise.
	* ld-arm/farcall-mixed-lib.d: Likewise.
	* ld-arm/farcall-mixed-lib.r: Likewise.
2009-03-05 17:28:21 +00:00
Christophe Lyon ebe24dd4f8 2009-02-26 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (stub_reloc_type): Removed.
	(insn_sequence): Renamed reloc_type field to r_type.
	(elf32_arm_stub_long_branch_v4t_arm_thumb_pic): New stub.
	(elf32_arm_stub_long_branch_v4t_thumb_arm_pic): Likewise.
	(elf32_arm_stub_long_branch_thumb_only_pic): Likewise.
	(elf32_arm_stub_type): Add new enum entries for the new stubs.
	(arm_stub_is_thumb): Catch new stubs.
	(arm_type_of_stub): Handle new stubs.
	(arm_size_one_stub): Use ARRAY_SIZE. Handle new stubs.
	(bfd_elf32_arm_process_before_allocation): Remove useless
	condition.

	testsuite/
	* ld-arm/arm-elf.exp: Add 3 tests for the 3 new stubs.
	* ld-arm/farcall-thumb-arm-pic-veneer.d: New expected result, the
	test is now expected to pass.
	* ld-arm/farcall-thumb-thumb-m-pic-veneer.d: Likewise.
	* ld-arm/farcall-thumb-thumb-pic-veneer.d: Likewise.
2009-02-26 15:37:53 +00:00
Daniel Jacobowitz cf3eccff18 bfd/
* elf32-arm.c (elf32_arm_stub_long_branch_any_any_pic): Rename
	to elf32_arm_stub_long_branch_any_arm_pic.
	(elf32_arm_stub_long_branch_any_thumb_pic): New.
	(enum elf32_arm_stub_type, arm_type_of_stub)
	(arm_size_one_stub): Handle any to ARM PIC and any to Thumb PIC
	separately.

	ld/testsuite/
	* ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
	ld-arm/farcall-arm-thumb-pic-veneer.d,
	ld-arm/farcall-thumb-thumb-blx-pic-veneer.d: Update for fixed
	Thumb PIC stub.
2009-02-24 22:44:18 +00:00
Daniel Jacobowitz 07d72278cd 2009-02-24 Joseph Myers <joseph@codesourcery.com>
bfd/
	* elf32-arm.c (PREV_SEC): Update comment.
	(group_sections): Rename argument to stubs_always_after_branch.
	Reverse the list and place stubs at the end of input sections.
	Undefine NEXT_SEC.
	(elf32_arm_size_stubs): Update to use stubs_always_after_branch.

	ld/
	* ld.texinfo (ARM): Document changed meaning of --stub-group-size.
	* emultempl/armelf.em (hook_in_stub): Insert after the input section.
	(elf32_arm_add_stub_section): Update comment.
	(PARSE_AND_LIST_OPTIONS): Update help for --stub-group-size.

2009-02-24  Daniel Jacobowitz  <dan@codesourcery.com>

	ld/testsuite/
	* ld-arm/arm-elf.exp (armeabitests): Update duplicate test names.
	Use normal output files for big-endian.
	* ld-arm/farcall-arm-arm-be.d, ld-arm/farcall-thumb-arm-be.d: Delete.
	* ld-arm/farcall-arm-arm-be8.d, ld-arm/farcall-arm-arm-pic-veneer.d,
	ld-arm/farcall-arm-arm.d, ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
	ld-arm/farcall-arm-thumb-blx.d, ld-arm/farcall-arm-thumb-pic-veneer.d,
	ld-arm/farcall-arm-thumb.d, ld-arm/farcall-group-size2.d,
	ld-arm/farcall-group.d, ld-arm/farcall-mix.d, ld-arm/farcall-mix2.d,
	ld-arm/farcall-thumb-arm-be8.d,
	ld-arm/farcall-thumb-arm-blx-pic-veneer.d,
	ld-arm/farcall-thumb-arm-blx.d, ld-arm/farcall-thumb-arm-short.d,
	ld-arm/farcall-thumb-arm.d,
	ld-arm/farcall-thumb-thumb-blx-pic-veneer.d,
	ld-arm/farcall-thumb-thumb-blx.d, ld-arm/farcall-thumb-thumb-m.d,
	ld-arm/farcall-thumb-thumb.d, ld-arm/thumb2-bl-as-thumb1-bad.d,
	ld-arm/thumb2-bl-bad.d: Update for moved stubs.
2009-02-24 22:43:10 +00:00
Daniel Jacobowitz 4e31c73195 * elf32-arm.c (arm_build_one_stub): Initialize stub_reloc_offset.
Fix formatting.
	(arm_size_one_stub): Remove unnecessary break.
	(arm_map_one_stub): Fix formatting.  Return after BFD_FAIL.
2009-02-24 00:26:40 +00:00
Daniel Jacobowitz 461a49caca 2009-02-23 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (stub_insn_type): New type.
	(stub_reloc_type): Likewise.
	(insn_sequence): Likewise.
	(elf32_arm_stub_long_branch_any_any): Encode using insn_sequence.
	(elf32_arm_stub_long_branch_v4t_arm_thumb): Likewise.
	(elf32_arm_stub_long_branch_thumb_only): Likewise.
	(elf32_arm_stub_long_branch_v4t_thumb_arm): Likewise.
	(elf32_arm_stub_short_branch_v4t_thumb_arm): Likewise.
	(elf32_arm_stub_long_branch_any_any_pic): Likewise.
	(elf32_arm_stub_hash_entry): Add new helper fields.
	(stub_hash_newfunc): Initialize these new fields.
	(arm_build_one_stub): Encode Arm and Thumb instructions separately
	to take endianness into account.
	(arm_size_one_stub): Compute size of stubs using insn_sequence.
	(arm_map_one_stub): Code is now more generic, thanks to
	insn_sequence.

	ld/testsuite/
	* ld-arm/arm-elf.exp: Add new farcall-thumb-arm-be8 test.
	* ld-arm/farcall-thumb-arm-be8.d: New expected result.
	* ld-arm/farcall-arm-arm-be8.d: Replace wildcards by instructions.
2009-02-23 21:48:53 +00:00
Christophe Lyon c2b4a39dd2 2009-02-23 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (elf32_arm_stub_long_branch_thumb_only): Fix stub
	code.
	(elf32_arm_stub_long_branch_v4t_thumb_arm): Likewise.
	(arm_type_of_stub): Use Thumb-only long branch stub (non-PIC) when
	BLX is not available. Fix typo in warning message. Add comments
	and improve formatting.
	(arm_build_one_stub): Adjust to new
	elf32_arm_stub_long_branch_v4t_thumb_arm stub.
	(arm_map_one_stub): Likewise.

	testsuite/
	* ld-arm/arm-elf.exp: Rewrite non-EABI variants of
	thumb2-bl-as-thumb1-bad and thumb2-bl-bad tests, which now
	pass. farcall-thumb-thumb now passes in EABI mode.
	* ld-arm/farcall-thumb-arm-pic-veneer.d: Fixed name, source, as
	and ld flags to match intended test.
	* ld-arm/farcall-thumb-arm.d: New expected result.
	* ld-arm/farcall-thumb-thumb-m.d: Likewise.
	* ld-arm/farcall-thumb-thumb-m-pic-veneer.d: Fixed name and ld
	flags.
	* ld-arm/farcall-thumb-thumb-pic-veneer.d: Likewise.
	* ld-arm/farcall-thumb-thumb.d: New expected result, this test is
	now expected to pass.
	* ld-arm/thumb2-bl-as-thumb1-bad-noeabi.d: Likewise.
	* ld-arm/thumb2-bl-bad-noeabi.d: Likewise.
	* ld-arm/thumb2-bl-as-thumb1-bad.d: Update addresses according to
	new use.
	* ld-arm/thumb2-bl-as-thumb1-bad.s: Update comment.
2009-02-23 10:03:47 +00:00
Christophe Lyon 90d8a22ca2 2009-02-18 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (arm_build_one_stub): Fix relocation target for pic
	stub. Catch default case error.
	(arm_map_one_stub): Add missing Thumb mapping symbol.

	testsuite/
	* ld-arm/farcall-arm-arm-pic-veneer.d,
	ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
	ld-arm/farcall-arm-thumb-pic-veneer.d,
	ld-arm/farcall-thumb-arm-blx-pic-veneer.d,
	ld-arm/farcall-thumb-thumb-blx-pic-veneer.d: Fix expected stub
	target.
2009-02-18 16:56:37 +00:00
Christophe Lyon fea2b4d6bd 2009-02-16 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (arm_long_branch_stub,
	arm_thumb_v4t_long_branch_stub,
	arm_thumb_thumb_long_branch_stub,
	arm_thumb_arm_v4t_long_branch_stub,
	arm_thumb_arm_v4t_short_branch_stub,
	arm_pic_long_branch_stub):
	Renamed to elf32_arm_stub_long_branch_any_any,
	elf32_arm_stub_long_branch_v4t_arm_thumb,
	elf32_arm_stub_long_branch_thumb_only,
	elf32_arm_stub_long_branch_v4t_thumb_arm,
	elf32_arm_stub_short_branch_v4t_thumb_arm,
	elf32_arm_stub_long_branch_any_any_pic.
	(arm_stub_long_branch, arm_thumb_v4t_stub_long_branch,
	arm_thumb_thumb_stub_long_branch,
	arm_thumb_arm_v4t_stub_long_branch,
	arm_thumb_arm_v4t_stub_short_branch, arm_stub_pic_long_branch):
	Renamed to arm_stub_long_branch_any_any,
	arm_stub_long_branch_v4t_arm_thumb,
	arm_stub_long_branch_thumb_only,
	arm_stub_long_branch_v4t_thumb_arm,
	arm_stub_short_branch_v4t_thumb_arm,
	arm_stub_long_branch_any_any_pic.
2009-02-18 12:45:38 +00:00
Joseph Myers 33a7ffc270 2009-01-30 Julian Brown <julian@codesourcery.com>
* elf32-arm.c (bfd_elf32_arm_vfp11_erratum_scan): Skip BFDs with
	EXEC_P or DYNAMIC flags, and skip sections which are being linked
	with --just-symbols (-R).
2009-01-30 01:32:25 +00:00
Catherine Moore 528aeb629f * elf32-arm.c (elf32_arm_check_relocs): Set SEC_ALLOC and
SEC_LOAD for dynamic relocation sections.
2009-01-28 16:35:13 +00:00
Andrew Stubbs 5aa6ff7ca4 2009-01-19 Andrew Stubbs <ams@codesourcery.com>
bfd/
	* elf-attrs.c (vendor_set_obj_attr_contents): Support tag ordering.
	* elf-bfd.h (elf_backend_data): Add obj_attrs_order.
	* elf32-arm.c (elf32_arm_obj_attrs_order): New function.
	(elf_backend_obj_attrs_order): New define.
	* elfxx-target.h (elf_backend_obj_attrs_order): New define.
	(elfNN_bed): Add elf_backend_obj_attrs_order.

	gas/testsuite/
	* gas/arm/attr-order.d: New file.
	* gas/arm/attr-order.s: New file.
2009-01-19 12:14:05 +00:00
Andrew Stubbs 3483fe2e0b 2009-01-19 Andrew Stubbs <ams@codesourcery.com>
bfd/
	* elf-attrs.c (is_default_attr): Substitute magic numbers with macros.
	(obj_attr_size): Likewise.
	(write_obj_attribute): Likewise.
	(_bfd_elf_copy_obj_attributes): Likewise.
	(_bfd_elf_parse_attributes): Likewise.
	* elf-bfd.h (ATTR_TYPE_FLAG_INT_VAL): New define.
	(ATTR_TYPE_FLAG_STR_VAL, ATTR_TYPE_FLAG_NO_DEFAULT): New defines.
	(ATTR_TYPE_HAS_INT_VAL, ATTR_TYPE_HAS_STR_VAL): New defines.
	(ATTR_TYPE_HAS_NO_DEFAULT): New define.
	* elf32-arm.c (elf32_arm_obj_attrs_arg_type): Replace magic numbers
	with macros.
2009-01-19 11:55:35 +00:00
Andrew Stubbs 2d0bb7614b 2009-01-19 Andrew Stubbs <ams@codesourcery.com>
bfd/
	* elf-attrs.c (is_default_attr): Support defaultless attributes.
	(bfd_elf_add_obj_attr_int): Get type from _bfd_elf_obj_attrs_arg_type.
	(bfd_elf_add_obj_attr_string): Likewise.
	(bfd_elf_add_obj_attr_int_string): Likewise.
	(_bfd_elf_parse_attributes): Allow for unknown flag bits in type.
	* elf-bfd.h (struct obj_attribute): Document new flag bit.
	* elf32-arm.c (elf32_arm_obj_attrs_arg_type): Specify that
	Tag_nodefaults has no default value.
	(elf32_arm_merge_eabi_attributes): Modify the Tag_nodefaults
	comment to reflect the new state.

	gas/
	* read.c (s_vendor_attribute): Allow for unknown flag bits in type.
2009-01-19 11:50:31 +00:00
Andrew Stubbs 91e22acdfa 2009-01-15 Andrew Stubbs <ams@codesourcery.com>
Julian Brown   <julian@codesourcery.com>

	bfd/
	* elf-bfd.h (NUM_KNOWN_OBJ_ATTRIBUTES): Set to 71 to include all known
	ARM attributes in ABI 2.07.
	* elf32-arm.c (get_secondary_compatible_arch): New function.
	(set_secondary_compatible_arch): New function.
	(tag_cpu_arch_combine): New function.
	(elf32_arm_copy_one_eabi_other_attribute): Delete function.
	(elf32_arm_copy_eabi_other_attribute_list): Delete function.
	(elf32_arm_merge_eabi_attributes): Rename order_312 to order_021 to
	make it fit with order_01243.
	Add support for Tag_also_compatible_with,
	Tag_CPU_unaligned_access, Tag_T2EE_use, Tag_Virtualization_use,
	Tag_MPextension_use, Tag_nodefaults and Tag_conformance.
	Improve/tidy up support for Tag_CPU_raw_name, Tag_CPU_name,
	Tag_CPU_arch, Tag_ABI_HardFP_use, Tag_VFP_HP_extension,
	Tag_ABI_FP_denormal, Tag_ABI_PCS_GOT_use, Tag_ABI_align8_needed,
	Tag_VFP_arch and Tag_ABI_FP_16bit_format.
	Rework the way unknown attributes are handled.
	Defer errors until all attributes have been processed.

	gas/
	* config/tc-arm.c (cpu_arch): Change ARM_ARCH_V6M to 11.

	include/elf/
	* arm.h (TAG_CPU_ARCH_V6_M, TAG_CPU_ARCH_V6S_M): New defines.
	(MAX_TAG_CPU_ARCH, TAG_CPU_ARCH_V4T_PLUS_V6_M): New defines.
	(Tag_NEON_arch): Rename to Tag_Advanced_SIMD_arch to match ARM ABI
	version 2.07.
	(Tag_undefined39, Tag_nodefaults): New enum values.
	(Tag_also_compatible_with, Tag_T2EE_use): Likewise.
	(Tag_conformance, Tag_Virtualization_use): Likewise.
	(Tag_undefined69, Tag_MPextension_use): Likewise.
2009-01-15 18:00:49 +00:00
Andrew Stubbs 7b86a9faa6 2009-01-15 Andrew Stubbs <ams@codesourcery.com>
bfd/
	* elf-attrs.c (bfd_elf_add_obj_attr_compat): Rename to
	bfd_elf_add_obj_attr_int_string.
	Read Tag_compatibility from its new location in the attribute array,
	rather than the attribute list.
	(_bfd_elf_copy_obj_attributes): bfd_elf_add_obj_attr_compat ->
	bfd_elf_add_obj_attr_int_string.
	(_bfd_elf_parse_attributes): Likewise.
	(_bfd_elf_merge_object_attributes): There's now only one
	Tag_compatibility, and it's in the array, not the list.
	* elf-bfd.h (NUM_KNOWN_OBJ_ATTRIBUTES): Set to 33 to include
	Tag_compatibility.
	(bfd_elf_add_obj_attr_compat): Rename to
	bfd_elf_add_obj_attr_int_string.
	(bfd_elf_add_proc_attr_compat): Rename to
	bfd_elf_add_proc_attr_int_string.
	* elf32-arm.c (elf32_arm_merge_eabi_attributes): Explicitly don't handle
	Tag_compatibility.

	gas/
	* read.c (s_vendor_attribute): bfd_elf_add_obj_attr_compat ->
	bfd_elf_add_obj_attr_int_string.
2009-01-15 13:03:05 +00:00
Nick Clifton af1f44191e PR 7093
* elf32-arm.c (bfd_elf32_arm_init_maps): Only process ARM ELF
        object files.
2008-12-23 11:46:17 +00:00
Nick Clifton 0f88be7a13 Remove STT_IFUNC support. 2008-12-23 09:01:51 +00:00
Nick Clifton e7c3341679 include/elf/
* common.h (STT_IFUNC): Define.
elfcpp/
            * elfcpp.h (enum STT): Add STT_IFUNC.
bfd/
            * syms.c (struct bfd_symbol): Add new flag BSF_INDIRECT_FUNCTION.
            Remove redundant flag BFD_FORT_COMM_DEFAULT_VALUE.  Renumber flags
            to remove gaps.
            (bfd_print_symbol_vandf): Return 'i' for BSF_INDIRECT_FUNCTION.
            (bfd_decode_symclass): Likewise.
            * elf.c (swap_out_syms): Translate BSF_INDIRECT_FUNCTION into
            STT_IFUNC.
            (elf_find_function): Treat STT_IFUNC in the same way as STT_FUNC.
            (_bfd_elf_is_function_type): Likewise.
            * elf32-arm.c (arm_elf_find_function): Likewise.
            (elf32_arm_adjust_dynamic_symbol): Likewise.
            (elf32_arm_swap_symbol_in): Likewise.
            (elf32_arm_additional_program_headers): Likewise.
            * elf32-i386.c (is_indirect_symbol): New function.
            (elf_i386_check_relocs): Also generate dynamic relocs for
            relocations against STT_IFUNC symbols.
            (allocate_dynrelocs): Likewise.
            (elf_i386_relocate_section): Likewise.
            * elf64-x86-64.c (is_indirect_symbol): New function.
            (elf64_x86_64_check_relocs): Also generate dynamic relocs for
            relocations against STT_IFUNC symbols.
            (allocate_dynrelocs): Likewise.
            (elf64_x86_64_relocate_section): Likewise.
            * elfcode.h (elf_slurp_symbol_table): Translate STT_IFUNC into
            BSF_INDIRECT_FUNCTION.
            * elflink.c (_bfd_elf_adjust_dynamic_reloc_section): Add support
            for STT_IFUNC symbols.
            (get_ifunc_reloc_section_name): New function.
            (_bfd_elf_make_ifunc_reloc_section): New function.
            * elf-bfd.h (struct bfd_elf_section_data): Add indirect_relocs field.
            * bfd-in2.h: Regenerate.
gas/
            * config/obj-elf.c (obj_elf_type): Add support for STT_IFUNC type.
            * doc/as.texinfo: Document new feature.
            * NEWS: Mention new feature.
gas/testsuite/
            * gas/elf/type.s: Add test of STT_IFUNC symbol type.
            * gas/elf/type.e: Update expected disassembly.
            * gas/elf/elf.exp: Update grep of symbol types.
ld/
            * NEWS: Mention new feature.
            * pe-dll.c (process_def_file): Replace use of redundant
            BFD_FORT_COMM_DEFAULT_VALUE with 0.
            * scripttempl/elf.sc: Add .rel.ifunc.dyn and .rela.ifunc.dyn
            sections.
ld/testsuite/
            * ld-mips-elf/reloc-1-n32.d: Updated expected output for reloc
            descriptions.
            * ld-mips-elf/reloc-1-n64.d: Likewise.
            * ld-i386/ifunc.d: New test.
            * ld-i386/ifunc.s: Source file for the new test.
            * ld-i386/i386.exp: Run the new test.
2008-12-03 14:51:00 +00:00
Joseph Myers 1954000798 bfd:
* elf32-arm.c (elf32_arm_final_link_relocate): Do not turn
	branches to undefine weak symbols into branches to the next
	instruction if creating PLT entries for those symbols.

ld/testsuite:
	* ld-arm/thumb2-bl-undefweak.d, ld-arm/thumb2-bl-undefweak.s: New.
	* ld-arm/arm-elf.exp: Run thumb2-bl-undefweak test.
2008-11-25 15:53:27 +00:00
Nick Clifton 83bac4b010 * elflink.c (is_reloc_section): New function. Returns true if the
given name matches the name of the reloc-containing section
        associated with the given section.
        (get_dynamic_reloc_section_name): New function.  Computes the name
        of the section that contains the dynamic relocs associated with
        the given section.
        (_bfd_elf_get_dynamic_reloc_section): New function.  Returns a
        pointer to the section containing the dynamic relocs associated
        with the given section.
        (_bfd_elf_make_dynamic_reloc_section): New function.  Creates a
        section to contain the dynamic relocs associated with a given
        section.
        * elf-bfd.h: Prototype the new functions.
        * elf-m10300.c (mn10300_elf_check_relocs): Use new functions.
        (mn10300_elf_final_link_relocs): Likewise.
        * elf32-arm.c (reloc_section_p): Delete - replaced by new
        functions.
        (elf32_arm_final_link_relocate): Use new functions.
        (elf32_arm_check_relocs): Likewise.
        * elf32-cris.c (cris_elf_relocate_section): Likewise.
        (elf_cris_check_relocs): Likewise.
        * elf32-hppa.c (elf32_hppa_check_relocs): Likewise.
        * elf32-i370.c (i370_elf_check_relocs): Likewise.
        (i370_elf_relocate_section): Likewise.
        * elf32-i386.c (elf_i386_check_relocs): Likewise.
        * elf32-m32r.c (m32r_elf_relocate_section): Likewise.
        (m32r_elf_check_relocs): Likewise.
        * elf32-m68k.c (elf_m68k_check_relocs): Likewise.
        * elf32_ppc.c (ppc_elf_check_relocs): Likewise.
        (ppc_elf_relocate_section): Likewise.
        * elf32-s390.c (elf_s390_check_relocs): Likewise.
        * elf32-sh.c (sh_elf_relocate_section): Likewise.
        (sh_elf_check_relocs): Likewise.
        * elf32-vax.c (elf_vax_check_relocs): Likewise.
        (elf_vax_relocate_section): Likewise.
        * elf64-alpha.c (elf64_alpha_check_relocs): Likewise.
        * elf64-ppc.c (ppc64_elf_check_relocs): Likewise.
        * elf64-s390.c (elf_s390_check_relocs): Likewise.
        * elf64-sh64.c (sh_elf64_relocate_section): Likewise.
        * elf64-x86-64.c (elf64_x86_64_check_relocs): Likewise.
        * elfxx-sparc.c (_bfd_sparc_elf_check_relocs): Likewise.
        * elf32-bfin.c (bfin_check_relocs): Remove redundant local
        variable 'sreloc'.
        (bfin_relocate_section): Likewise.
        * elf32-v850.c (v850_elf_check_relocs): Likewise.
2008-11-25 13:03:56 +00:00
Catherine Moore 8e79c3df51 Add support for ARM half-precision conversion instructions. 2008-11-18 15:45:05 +00:00
Nick Clifton fcef9eb7bc * elf32-arm.c: Fix up comment describing Thumb to ARM interworking
stub.
2008-08-26 14:40:18 +00:00
Nick Clifton c820be077e bfd/
* elf32-arm.c (arm_thumb_arm_v4t_short_branch_stub): Define.
        (elf32_arm_stub_type): Add arm_thumb_arm_v4t_stub_short_branch.
        (arm_type_of_stub): Handle armv4t short branches. Update
        prototype.
        (arm_stub_is_thumb): Handle arm_thumb_arm_v4t_stub_short_branch.
        (arm_build_one_stub): Likewise.
        (arm_size_one_stub): Likewise.
        (elf32_arm_size_stubs): Use new arm_type_of_stub prototype.
        (arm_map_one_stub): Handle arm_thumb_arm_v4t_stub_short_branch.

        ld/testsuite/
        * ld-arm/arm-elf.exp: Add farcall-thumb-arm-short test.
        * ld-arm/farcall-group2.s: Fix comment.
        * ld-arm/farcall-thumb-arm-short.d: New test.
        * ld-arm/farcall-thumb-arm-short.s: New test.
2008-08-26 11:46:41 +00:00
Nick Clifton 8029a119ee * elf32-arm.c: Tidy up the code.
(bfd_elf32_arm_allocate_interworking_sections): Move common code
  into...
  (arm_allocate_glue_section_space): ... New function.
  (bfd_elf32_arm_add_glue_sections_to_bfd): Move common code
  into...
  (arm_make_glue_section): ... New function.
2008-08-17 20:48:21 +00:00
Alan Modra 9a008db36e * elf32-arm.c (arm_map_one_stub): Declare variables at beginning
of block.
	* elf32-avr.c (get_local_syms): Likewise.
2008-07-28 06:46:31 +00:00
Joseph Myers a9dc948127 bfd:
* bfd-in.h (bfd_elf32_arm_set_target_relocs): Add new parameter.
	* bfd-in2.h: Regenerate.
	* elf32-arm.c (struct elf_arm_obj_tdata): Add field
	no_wchar_size_warning.
	(bfd_elf32_arm_set_target_relocs): Add new parameter
	no_wchar_warn.
	(elf32_arm_merge_eabi_attributes): Give a warning, not an error,
	for conflicting wchar_t attributes.  Do not warn if
	--no-wchar-size-warning.  Make diagnostic text more specific.

ld:
	* ld.texinfo (--no-wchar-size-warning): Document new ARM option.
	* emultempl/armelf.em (no_wchar_size_warning): New.
	(arm_elf_create_output_section_statements): Pass
	no_wchar_size_warning to arm_elf_create_output_section_statements.
	(OPTION_NO_WCHAR_SIZE_WARNING): New.
	(PARSE_AND_LIST_LONGOPTS): Add no-wchar-size-warning.
	(PARSE_AND_LIST_OPTIONS): List --no-wchar-size-warning.
	(PARSE_AND_LIST_ARGS_CASES): Handle --no-wchar-size-warning.

ld/testsuite:
	* ld-arm/attr-merge-wchar-0.s,ld-arm/attr-merge-wchar-2.s,
	ld-arm/attr-merge-wchar-4.s, ld-arm/attr-merge-wchar-00-nowarn.d,
	ld-arm/attr-merge-wchar-00.d, ld-arm/attr-merge-wchar-02-nowarn.d,
	ld-arm/attr-merge-wchar-02.d, ld-arm/attr-merge-wchar-04-nowarn.d,
	ld-arm/attr-merge-wchar-04.d, ld-arm/attr-merge-wchar-20-nowarn.d,
	ld-arm/attr-merge-wchar-20.d, ld-arm/attr-merge-wchar-22-nowarn.d,
	ld-arm/attr-merge-wchar-22.d, ld-arm/attr-merge-wchar-24-nowarn.d,
	ld-arm/attr-merge-wchar-24.d, ld-arm/attr-merge-wchar-40-nowarn.d,
	ld-arm/attr-merge-wchar-40.d, ld-arm/attr-merge-wchar-42-nowarn.d,
	ld-arm/attr-merge-wchar-42.d, ld-arm/attr-merge-wchar-44-nowarn.d,
	ld-arm/attr-merge-wchar-44.d: New.
	* ld-arm/arm-elf.exp: Run new tests.
2008-07-18 20:49:12 +00:00
H.J. Lu 6cee0a6ffc 2008-07-18 H.J. Lu <hongjiu.lu@intel.com>
PR ld/6748
	* elf32-arm.c (elf32_arm_link_hash_table_create): Initialize
	new fields added for ARM long call support.
2008-07-18 12:45:33 +00:00
Nick Clifton 329dcd78c6 * elf32-arm.c (arm_type_of_stub): Don't crash on local symbols in
the presence of a PLT.
2008-07-07 16:02:32 +00:00
Daniel Jacobowitz 3dccd7b794 * elf32-arm.c (record_arm_to_thumb_glue, record_thumb_to_arm_glue):
Expand comments.
	(arm_map_one_stub): Use | 1 when setting the low bit.
2008-06-30 15:32:51 +00:00
Daniel Jacobowitz 7413f23fb4 * elf32-arm.c (STUB_ENTRY_NAME): Define.
(arm_thumb_thumb_long_branch_stub): Use bx instead of b.n.
	(arm_pic_long_branch_stub): Mention R_ARM_REL32 instead of
	R_ARM_ABS32.
	(struct elf32_arm_stub_hash_entry): Add output_name.
	(arm_build_one_stub): Move offsets into the offset argument
	of _bfd_final_link_relocate.  Correct offset for
	arm_thumb_arm_v4t_stub_long_branch.
	(elf32_arm_size_stubs): Set stub_entry->output_name.
	(elf32_arm_ouput_plt_map_sym): Rename to elf32_arm_output_map_sym.
	Update all callers.
	(elf32_arm_output_stub_sym): New.
	(arm_map_one_stub): Correct formatting.  Use elf32_arm_output_stub_sym.

	* ld-arm/farcall-arm-arm-be8.d, ld-arm/farcall-arm-arm-pic-veneer.d,
	ld-arm/farcall-arm-arm.d, ld-arm/farcall-arm-thumb-blx-pic-veneer.d,
	ld-arm/farcall-arm-thumb-blx.d, ld-arm/farcall-arm-thumb-pic-veneer.d,
	ld-arm/farcall-arm-thumb.d, ld-arm/farcall-group-size2.d,
	ld-arm/farcall-group.d, ld-arm/farcall-mix.d, ld-arm/farcall-mix2.d,
	ld-arm/farcall-thumb-arm-blx-pic-veneer.d,
	ld-arm/farcall-thumb-arm-blx.d, ld-arm/farcall-thumb-arm.d,
	ld-arm/farcall-thumb-thumb-blx-pic-veneer.d,
	ld-arm/farcall-thumb-thumb-blx.d, ld-arm/farcall-thumb-thumb-m.d,
	ld-arm/thumb2-bl-as-thumb1-bad.d, ld-arm/thumb2-bl-bad.d: Update for
	stub symbols and stub corrections.
2008-06-25 14:28:48 +00:00
Paul Brook c13bb2ea03 2008-06-09 Paul Brook <paul@codesourcery.com>
bfd/
	* elf32-arm.c (elf32_arm_merge_private_bfd_data): Allow BE8 shared
	libraries.
2008-06-09 15:19:52 +00:00
Daniel Jacobowitz f4ac848464 2008-06-03 Christophe Lyon <christophe.lyon@st.com>
bfd/
	* elf32-arm.c (arm_stub_is_thumb): Define.
	(elf32_arm_final_link_relocate): Handle near mode switching stubs.

	ld/testsuite/
	* ld-arm/farcall-thumb-thumb-m.d: Fix branch type.
	* ld-arm/farcall-thumb-arm.d: Likewise.
2008-06-09 14:53:13 +00:00
Paul Brook 23684067ca 2008-06-06 Paul Brook <paul@codesourcery.com>
bfd/
	* elf32-arm.c (elf32_arm_merge_private_bfd_data): Reject BE8 input.
2008-06-06 23:20:48 +00:00
Nick Clifton da5938a216 bfd/
* elf32-arm.c (arm_type_of_stub): Ignore STT_SECTION symbols.
        (elf32_arm_stub_add_mapping_symbol): Remove.
        (elf32_arm_add_stub): Don't generate mapping symbols. Change
        prototype.
        (elf32_arm_size_stubs): Use new elf32_arm_add_stub
        prototype. Don't generate thumb to arm glue for calls.
        (arm_map_one_stub): Define.
        (elf32_arm_output_arch_local_syms): Generate mapping symbols for
        long calls stubs.

        ld/testsuite/
        * ld-arm/farcall-arm-arm.s: Force function type on 'bar'.
        * ld-arm/farcall-thumb-arm.s: Likewise.
        * ld-arm/farcall-thumb-arm-blx.d: Fix encoding.
        * ld-arm/farcall-thumb-arm.d: Likewise.
        * ld-arm/farcall-thumb-arm-blx-pic-veneer.d: Likewise.
        * ld-arm/arm-elf.exp (armelftests): Add farcall-mix, farcall-mix2,
        farcall-group-default, farcall-group-size2, farcall-section Ignore
        gas warnings in farcall-thumb-arm, farcall-thumb-arm-blx,
        farcall-thumb-arm-blx-pic-veneer.
2008-05-23 13:53:27 +00:00
Nick Clifton 7fb9f789e3 Multi-GOT support for m68k.
bfd/

        * elf32-m68k.c (struct elf_m68k_link_hash_entry: got_entry_key,
        glist): New fields.
        (struct elf_m68k_got_entry_key, struct elf_m68k_got_entry,
        struct elf_m68k_got, struct elf_m68k_bfd2got_entry,
        struct elf_m68k_multi_got): New data structures.
        (struct elf_m68k_link_hash_table: local_gp_p, use_neg_got_offsets_p,
        allow_multigot_p, multi_got_): New fields.
        (elf_m68k_multi_got): New macro.
        (elf_m68k_link_hash_newfunc): Initialize new fields of
        struct elf_m68k_link_hash_entry.
        (elf_m68k_link_hash_table_create): Initialize new fields of
        struct elf_m68k_link_hash_table.
        (elf_m68k_link_hash_table_free): New static function implementing hook.
        (elf_m68k_init_got, elf_m68k_clear_got, elf_m68k_create_empty_got): New
        static functions for struct elf_m68k_got.
        (elf_m68k_init_got_entry_key, elf_m68k_got_entry_hash,
        elf_m68k_got_entry_eq): New static functions for
        struct elf_m68k_got_entry.
        (ELF_M68K_REL_8O_MAX_N_ENTRIES_IN_GOT,
        ELF_M68K_REL_8O_16O_MAX_N_ENTRIES_IN_GOT): New macros.
        (enum elf_m68k_get_entry_howto): New enum.
        (elf_m68k_get_got_entry, elf_m68k_update_got_entry_type,
        elf_m68k_remove_got_entry_type): New static functions for
        struct elf_m68k_got_entry.
        (elf_m68k_add_entry_to_got): New static function.
        (elf_m68k_bfd2got_entry_hash, elf_m68k_bfd2got_entry_eq,
        elf_m68k_bfd2got_entry_del, elf_m68k_get_bfd2got_entry): New static
        functions for struct elf_m68k_bfd2got_entry.
        (struct elf_m68k_can_merge_gots_arg, elf_m68k_can_merge_gots_1,
        elf_m68k_can_merge_gots): New traversal.
        (struct elf_m68k_merge_gots_arg, elf_m68k_merge_gots_1,
        elf_m68k_merge_gots): Ditto.
        (struct elf_m68k_finalize_got_offsets_arg,
        elf_m68k_finalize_got_offsets_1, elf_m68k_finalize_got_offsets): Ditto.
        (struct elf_m68k_partition_multi_got_arg,
        elf_m68k_partition_multi_got_1, elf_m68k_init_symndx2h_1,
        elf_m68k_partition_multi_got): Ditto.
        (elf_m68k_find_got_entry_ptr, elf_m68k_remove_got_entry): New static
        functions.
        (elf_m68k_copy_indirect_symbol): New static function implementing
        a hook.
        (elf_m68k_check_relocs): Update to add entries to multi-GOT.
        (elf_m68k_gc_sweep_hook): Update to remove entries from multi-GOT.
        (elf_m68k_always_size_sections): Assign BFDs to GOTs.
        (elf_m68k_relocate_section): Update to properly handle GOT relocations.
        (elf_m68k_finish_dynamic_symbol): Update to traverse all GOT entries
        of a global symbol.
        (bfd_elf_m68k_set_target_options): New function.
        (bfd_elf32_bfd_link_hash_table_free): Define hook.
        (bfd_elf32_bfd_final_link): Change expansion to bfd_elf_final_link
        to skip generic calculation of GOT offsets.
        (elf_backend_copy_indirect_symbol): Define hook.

        * bfd-in.h (bfd_elf_m68k_set_target_options): Declare function.
        * bfd-in2.h: Regenerate.

        ld/

        * configure.in (--enable-got): New option.  Handle it.
        * configure: Regenerate.
        * config.in: Regenerate.

        * emultempl/m68kelf.em: (got_handling_target_default): New shell
        variable.
        (GOT_HANDLING_TARGET_DEFAULT): New macro.
        (GOT_HANDLING_DEFAULT): New macro.  Initialize it from configure
        option if one was given.
        (got_handling): New static variable.
        (elf_m68k_create_output_section_statements): New static function
        implementing hook.
        (PARSE_AND_LIST_PROLOGUE): Define shell variable.
        (OPTION_GOT): New macro.
        (PARSE_AND_LIST_LONGOPTS): Define shell variable.  Specify
        --got option.
        (got): New linker option.
        (PARSE_AND_LIST_OPTIONS): Define shell variable.  Print help string
        for --got option.
        (PARSE_AND_LIST_ARGS_CASES): Define shell variable.  Handle --got
        option.

        * ld.texinfo: Document --got=<type> option.
        * gen-doc.texi: Add M68K.
        * NEWS: Mention the new feature.

        ld/testsuite/

        * ld-m68k/got-12.s: New file.
        * ld-m68k/got-13.s: New file.
        * ld-m68k/got-14.s: New file.
        * ld-m68k/got-15.s: New file.
        * ld-m68k/got-34.s: New file.
        * ld-m68k/got-35.s: New file.
        * ld-m68k/got-single-12-ok.d: New dump test.
        * ld-m68k/got-single-13-er.d: New dump test.
        * ld-m68k/got-negative-14-ok.d: New dump test.
        * ld-m68k/got-negative-15-er.d: New dump test.
        * ld-m68k/got-negative-12-13-14-34-ok.d: New dump test.
        * ld-m68k/got-negative-12-13-14-35-er.d: New dump test.
        * ld-m68k/got-multigot-14-ok.d: New dump test.
        * ld-m68k/got-multigot-15-er.d: New dump test.
        * ld-m68k/got-multigot-12-13-14-34-35-ok.d: New dump test.
        * ld-m68k/xgot-15.s: New source.
        * ld-m68k/got-xgot-15-ok.d: New test.
        * ld-m68k/got-xgot-12-13-14-15-34-35-ok.d: New test.
        * ld-m68k/m68k.exp: Run new tests.
2008-05-21 12:01:37 +00:00
Nick Clifton 906e58cab5 bfd/
* elf32-arm.c (THM2_MAX_FWD_BRANCH_OFFSET): Define.
        (THM2_MAX_BWD_BRANCH_OFFSET): Define.
        (ARM_MAX_FWD_BRANCH_OFFSET): Define.
        (ARM_MAX_BWD_BRANCH_OFFSET): Define.
        (THM_MAX_FWD_BRANCH_OFFSET): Define.
        (THM_MAX_BWD_BRANCH_OFFSET): Define.
        (arm_long_branch_stub): Define.
        (arm_pic_long_branch_stub): Define.
        (arm_thumb_v4t_long_branch_stub): Define.
        (arm_thumb_thumb_long_branch_stub): Define.
        (arm_thumb_arm_v4t_long_branch_stub): Define.
        (STUB_SUFFIX): Define.
        (elf32_arm_stub_type): Define.
        (elf32_arm_stub_hash_entry): Define.
        (elf32_arm_link_hash_entry): Add stub_cache field.
        (arm_stub_hash_lookup): Define.
        (elf32_arm_link_hash_table): Add stub_hash_table, stub_bfd,
        add_stub_section, layout_sections_again, stub_group, bfd_count,
        top_index, input_list fields.
        (elf32_arm_link_hash_newfunc): Init new field.
        (stub_hash_newfunc): New function.
        (elf32_arm_link_hash_table_create): Init stub_hash_table.
        (elf32_arm_hash_table_free): New function.
        (arm_type_of_stub): New function.
        (elf32_arm_stub_name): New function.
        (elf32_arm_get_stub_entry): New function.
        (elf32_arm_stub_add_mapping_symbol): New function.
        (elf32_arm_add_stub): New function.
        (arm_build_one_stub): New function.
        (arm_size_one_stub): New function.
        (elf32_arm_setup_section_lists): New function.
        (elf32_arm_next_input_section): New function.
        (group_sections): New function.
        (elf32_arm_size_stubs): New function.
        (elf32_arm_build_stubs): New function.
        (bfd_elf32_arm_add_glue_sections_to_bfd): Skip stub sections.
        (bfd_elf32_arm_process_before_allocation): No longer handle
        R_ARM_CALL and R_ARM_THM_CALL.
        (using_thumb_only): New function.
        (elf32_arm_final_link_relocate): Redirect calls to stub if range
        exceeds encoding capabilities.
        (bfd_elf32_bfd_link_hash_table_free): Define.
        * bfd-in.h (R_ARM_max): Fix value to 130.
        (elf32_arm_setup_section_lists): Protype.
        (elf32_arm_next_input_section): Protype.
        (elf32_arm_size_stubs): Protype.
        (elf32_arm_build_stubs): Protype.

        ld/
        * emultempl/armelf.em (build_section_lists): New function.
        (stub_file): Define.
        (need_laying_out): Define.
        (group_size): Define.
        (hook_stub_info): Define.
        (hook_in_stub): New function.
        (elf32_arm_add_stub_section): New function.
        (gldarm_layout_sections_again): New function.
        (gld${EMULATION_NAME}_finish): Replace arm_elf_finish(). Generate
        stubs for long calls if needed.
        (arm_elf_create_output_section_statements): create stub_file bfd.
        (arm_for_each_input_file_wrapper): New function.
        (arm_lang_for_each_input_file): New function.
        (lang_for_each_input_file): Define.
        (PARSE_AND_LIST_PROLOGUE): Add option token OPTION_STUBGROUP_SIZE.
        (PARSE_AND_LIST_LONGOPTS): Add option stub-group-size.
        (PARSE_AND_LIST_OPTIONS): Add option stub-group-size.
        (PARSE_AND_LIST_ARGS_CASES): Add OPTION_STUBGROUP_SIZE case.
        (LDEMUL_FINISH): Update to gld${EMULATION_NAME}_finish.
        * ld/lang.c (print_input_statement): Skip if bfd has
        BFD_LINKER_CREATED.

        ld/testsuite
        * ld-arm/arm-elf.exp (armelftests): Add farcall-arm-arm,
        farcall-arm-arm-pic-veneer, farcall-arm-arm-be8 farcall-arm-thumb,
        farcall-arm-thumb-blx, farcall-arm-thumb-pic-veneer,
        farcall-arm-thumb-blx-pic-veneer, farcall-thumb-thumb,
        farcall-thumb-thumb-pic-veneer, farcall-thumb-thumb-blx,
        farcall-thumb-thumb-m, farcall-thumb-thumb-m-pic-veneer,
        farcall-thumb-thumb-blx-pic-veneer, farcall-thumb-arm,
        farcall-thumb-arm-pic-veneer, farcall-thumb-arm-blx,
        farcall-thumb-arm-blx-pic-veneer.
        Change thumb2-bl-as-thumb1-bad, thumb2-bl-bad.
        * ld-arm/thumb2-bl-as-thumb1-bad.d: Reflects farcall stub
        generation.
        * ld-arm/thumb2-bl-bad.d: Likewise.
        * ld-arm/thumb2-bl-as-thumb1-bad.s: Update comments.
        * ld-arm/thumb2-bl-bad.s: Likewise.
2008-05-15 17:00:15 +00:00