binutils-gdb/ld/testsuite/ld-arm/farcall-thumb-arm.s

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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.
2008-05-16 01:00:15 +08:00
@ Test to ensure that a Thumb to ARM call exceeding 4Mb generates a stub.
2010-03-02 Christophe Lyon <christophe.lyon@st.com> Alan Modra <amodra@gmail.com> bfd/ * elf32-arm.c (a8_erratum_fix): Add st_type field to record the destination mode of the a8 stub. (elf32_arm_link_hash_table): Add top_id field. (elf32_arm_link_hash_table_create): Initialize top_id. (arm_type_of_stub): Update prototype, st_type can now be updated by this function. Actual destination address in case of PLT is computed here, to help factorizing code. (elf32_arm_stub_name): Update prototype, use stub_type additional parameter to build stub name. (elf32_arm_get_stub_entry): Update prototype, use stub_type additional parameter to build stub entry. (arm_build_one_stub): Use bfd_put_16/bfd_put_32 instead of put_thumb_insn/put_arm_insn as BE8 encoding is now handled later. Call elf32_arm_final_link_relocate to process all in-stub relocations. (elf32_arm_setup_section_lists): Update top_id. (cortex_a8_erratum_scan): Record stub destination mode. (elf32_arm_size_stubs): Update call to arm_type_of_stub according to new prototype. (elf32_arm_final_link_relocate): Enable processing of in-stub REL32 relocations. Rely on arm_type_of_stub to detect if a stub is needed, enabling code factorization. (elf32_arm_final_link): Process stub sections. (elf32_arm_output_map_sym): Add entry to code/data map. ld/testsuite/ * ld-arm/arm-elf.exp: Change .text start address for farcall-thumb-arm tests. Add v4t variant for farcall-mixed-lib test. * ld-arm/farcall-mixed-lib-v4t.d: New test. * ld-arm/farcall-mixed-lib1.s: Don't force armv5t. * ld-arm/farcall-mixed-lib2.s: Likewise. * ld-arm/arm-call.d: Update expected results. * ld-arm/cortex-a8-far.d: Likewise. * ld-arm/farcall-group-size2.d: Likewise. * ld-arm/farcall-group.d: Likewise. * ld-arm/farcall-mix.d: Likewise. * ld-arm/farcall-mix2.d: Likewise. * ld-arm/farcall-mixed-app-v5.d: Likewise. * ld-arm/farcall-mixed-app.d: Likewise. * ld-arm/farcall-mixed-lib.d: Likewise. * ld-arm/farcall-thumb-arm.d: Likewise. * ld-arm/farcall-thumb-arm-blx.d: Likewise. * ld-arm/farcall-thumb-arm-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm-blx-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm.s: Update test. Add a new call to potentially generate different types of stubs.
2010-03-02 16:19:54 +08:00
@ Check that we can generate two types of stub in the same section.
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.
2008-05-16 01:00:15 +08:00
.global _start
.syntax unified
2010-03-02 Christophe Lyon <christophe.lyon@st.com> Alan Modra <amodra@gmail.com> bfd/ * elf32-arm.c (a8_erratum_fix): Add st_type field to record the destination mode of the a8 stub. (elf32_arm_link_hash_table): Add top_id field. (elf32_arm_link_hash_table_create): Initialize top_id. (arm_type_of_stub): Update prototype, st_type can now be updated by this function. Actual destination address in case of PLT is computed here, to help factorizing code. (elf32_arm_stub_name): Update prototype, use stub_type additional parameter to build stub name. (elf32_arm_get_stub_entry): Update prototype, use stub_type additional parameter to build stub entry. (arm_build_one_stub): Use bfd_put_16/bfd_put_32 instead of put_thumb_insn/put_arm_insn as BE8 encoding is now handled later. Call elf32_arm_final_link_relocate to process all in-stub relocations. (elf32_arm_setup_section_lists): Update top_id. (cortex_a8_erratum_scan): Record stub destination mode. (elf32_arm_size_stubs): Update call to arm_type_of_stub according to new prototype. (elf32_arm_final_link_relocate): Enable processing of in-stub REL32 relocations. Rely on arm_type_of_stub to detect if a stub is needed, enabling code factorization. (elf32_arm_final_link): Process stub sections. (elf32_arm_output_map_sym): Add entry to code/data map. ld/testsuite/ * ld-arm/arm-elf.exp: Change .text start address for farcall-thumb-arm tests. Add v4t variant for farcall-mixed-lib test. * ld-arm/farcall-mixed-lib-v4t.d: New test. * ld-arm/farcall-mixed-lib1.s: Don't force armv5t. * ld-arm/farcall-mixed-lib2.s: Likewise. * ld-arm/arm-call.d: Update expected results. * ld-arm/cortex-a8-far.d: Likewise. * ld-arm/farcall-group-size2.d: Likewise. * ld-arm/farcall-group.d: Likewise. * ld-arm/farcall-mix.d: Likewise. * ld-arm/farcall-mix2.d: Likewise. * ld-arm/farcall-mixed-app-v5.d: Likewise. * ld-arm/farcall-mixed-app.d: Likewise. * ld-arm/farcall-mixed-lib.d: Likewise. * ld-arm/farcall-thumb-arm.d: Likewise. * ld-arm/farcall-thumb-arm-blx.d: Likewise. * ld-arm/farcall-thumb-arm-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm-blx-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm.s: Update test. Add a new call to potentially generate different types of stubs.
2010-03-02 16:19:54 +08:00
@ We will place the section .text at 0x1c01010.
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.
2008-05-16 01:00:15 +08:00
.text
.thumb_func
_start:
2010-03-02 Christophe Lyon <christophe.lyon@st.com> Alan Modra <amodra@gmail.com> bfd/ * elf32-arm.c (a8_erratum_fix): Add st_type field to record the destination mode of the a8 stub. (elf32_arm_link_hash_table): Add top_id field. (elf32_arm_link_hash_table_create): Initialize top_id. (arm_type_of_stub): Update prototype, st_type can now be updated by this function. Actual destination address in case of PLT is computed here, to help factorizing code. (elf32_arm_stub_name): Update prototype, use stub_type additional parameter to build stub name. (elf32_arm_get_stub_entry): Update prototype, use stub_type additional parameter to build stub entry. (arm_build_one_stub): Use bfd_put_16/bfd_put_32 instead of put_thumb_insn/put_arm_insn as BE8 encoding is now handled later. Call elf32_arm_final_link_relocate to process all in-stub relocations. (elf32_arm_setup_section_lists): Update top_id. (cortex_a8_erratum_scan): Record stub destination mode. (elf32_arm_size_stubs): Update call to arm_type_of_stub according to new prototype. (elf32_arm_final_link_relocate): Enable processing of in-stub REL32 relocations. Rely on arm_type_of_stub to detect if a stub is needed, enabling code factorization. (elf32_arm_final_link): Process stub sections. (elf32_arm_output_map_sym): Add entry to code/data map. ld/testsuite/ * ld-arm/arm-elf.exp: Change .text start address for farcall-thumb-arm tests. Add v4t variant for farcall-mixed-lib test. * ld-arm/farcall-mixed-lib-v4t.d: New test. * ld-arm/farcall-mixed-lib1.s: Don't force armv5t. * ld-arm/farcall-mixed-lib2.s: Likewise. * ld-arm/arm-call.d: Update expected results. * ld-arm/cortex-a8-far.d: Likewise. * ld-arm/farcall-group-size2.d: Likewise. * ld-arm/farcall-group.d: Likewise. * ld-arm/farcall-mix.d: Likewise. * ld-arm/farcall-mix2.d: Likewise. * ld-arm/farcall-mixed-app-v5.d: Likewise. * ld-arm/farcall-mixed-app.d: Likewise. * ld-arm/farcall-mixed-lib.d: Likewise. * ld-arm/farcall-thumb-arm.d: Likewise. * ld-arm/farcall-thumb-arm-blx.d: Likewise. * ld-arm/farcall-thumb-arm-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm-blx-pic-veneer.d: Likewise. * ld-arm/farcall-thumb-arm.s: Update test. Add a new call to potentially generate different types of stubs.
2010-03-02 16:19:54 +08:00
.global bar
bl bar
@ This call is close enough to generate a "short branch" stub
@ or no stub if blx is available.
.space 0x0300000
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.
2008-05-16 01:00:15 +08:00
bl bar
@ We will place the section .foo at 0x2001014.
.section .foo, "xa"
.arm
.type bar, %function
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.
2008-05-16 01:00:15 +08:00
bar:
bx lr