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
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.*: file format .*
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Disassembly of section .text:
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2010-03-02 08:19:54 +00:00
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01c01010 <_start>:
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1c01010: f300 e802 blx 1f01018 <__bar_from_thumb>
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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
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\.\.\.
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2010-03-02 08:19:54 +00:00
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1f01014: f0ff effe blx 2001014 <bar>
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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
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2010-03-02 08:19:54 +00:00
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01f01018 <__bar_from_thumb>:
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2011-06-02 15:32:10 +00:00
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1f01018: e59fc000 ldr ip, \[pc\] ; 1f01020 <__bar_from_thumb\+0x8>
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2010-03-02 08:19:54 +00:00
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1f0101c: e08ff00c add pc, pc, ip
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1f01020: 000ffff0 .word 0x000ffff0
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1f01024: 00000000 .word 0x00000000
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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
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Disassembly of section .foo:
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02001014 <bar>:
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2008-05-23 13:53:27 +00:00
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2001014: e12fff1e bx lr
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