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.
This commit is contained in:
parent
83b94be541
commit
906e58cab5
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@ -1,3 +1,55 @@
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2008-05-15 Christophe Lyon <christophe.lyon@st.com>
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Add long call support for ARM.
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* elf32-arm.c (THM2_MAX_FWD_BRANCH_OFFSET): Define.
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(THM2_MAX_BWD_BRANCH_OFFSET): Define.
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(ARM_MAX_FWD_BRANCH_OFFSET): Define.
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(ARM_MAX_BWD_BRANCH_OFFSET): Define.
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(THM_MAX_FWD_BRANCH_OFFSET): Define.
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(THM_MAX_BWD_BRANCH_OFFSET): Define.
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(arm_long_branch_stub): Define.
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(arm_pic_long_branch_stub): Define.
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(arm_thumb_v4t_long_branch_stub): Define.
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(arm_thumb_thumb_long_branch_stub): Define.
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(arm_thumb_arm_v4t_long_branch_stub): Define.
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(STUB_SUFFIX): Define.
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(elf32_arm_stub_type): Define.
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(elf32_arm_stub_hash_entry): Define.
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(elf32_arm_link_hash_entry): Add stub_cache field.
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(arm_stub_hash_lookup): Define.
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(elf32_arm_link_hash_table): Add stub_hash_table, stub_bfd,
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add_stub_section, layout_sections_again, stub_group, bfd_count,
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top_index, input_list fields.
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(elf32_arm_link_hash_newfunc): Init new field.
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(stub_hash_newfunc): New function.
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(elf32_arm_link_hash_table_create): Init stub_hash_table.
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(elf32_arm_hash_table_free): New function.
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(arm_type_of_stub): New function.
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(elf32_arm_stub_name): New function.
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(elf32_arm_get_stub_entry): New function.
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(elf32_arm_stub_add_mapping_symbol): New function.
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(elf32_arm_add_stub): New function.
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(arm_build_one_stub): New function.
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(arm_size_one_stub): New function.
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(elf32_arm_setup_section_lists): New function.
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(elf32_arm_next_input_section): New function.
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(group_sections): New function.
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(elf32_arm_size_stubs): New function.
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(elf32_arm_build_stubs): New function.
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(bfd_elf32_arm_add_glue_sections_to_bfd): Skip stub sections.
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(bfd_elf32_arm_process_before_allocation): No longer handle
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R_ARM_CALL and R_ARM_THM_CALL.
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(using_thumb_only): New function.
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(elf32_arm_final_link_relocate): Redirect calls to stub if range
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exceeds encoding capabilities.
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(bfd_elf32_bfd_link_hash_table_free): Define.
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* bfd-in.h (R_ARM_max): Fix value to 130.
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(elf32_arm_setup_section_lists): Protype.
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(elf32_arm_next_input_section): Protype.
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(elf32_arm_size_stubs): Protype.
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(elf32_arm_build_stubs): Protype.
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* bfd-in2.h: Regenerate.
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2008-05-14 Ulrich Weigand <uweigand@de.ibm.com>
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2008-05-14 Ulrich Weigand <uweigand@de.ibm.com>
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* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Fix memset calls.
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* elf32-ppc.c (ppc_elf_get_synthetic_symtab): Fix memset calls.
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11
bfd/bfd-in.h
11
bfd/bfd-in.h
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@ -883,6 +883,17 @@ extern bfd_boolean bfd_arm_update_notes
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extern unsigned int bfd_arm_get_mach_from_notes
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extern unsigned int bfd_arm_get_mach_from_notes
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(bfd *, const char *);
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(bfd *, const char *);
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/* ARM stub generation support. Called from the linker. */
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extern int elf32_arm_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf32_arm_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf32_arm_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
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extern bfd_boolean elf32_arm_build_stubs
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(struct bfd_link_info *);
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/* TI COFF load page support. */
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/* TI COFF load page support. */
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extern void bfd_ticoff_set_section_load_page
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extern void bfd_ticoff_set_section_load_page
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(struct bfd_section *, int);
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(struct bfd_section *, int);
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extern unsigned int bfd_arm_get_mach_from_notes
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extern unsigned int bfd_arm_get_mach_from_notes
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(bfd *, const char *);
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(bfd *, const char *);
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/* ARM stub generation support. Called from the linker. */
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extern int elf32_arm_setup_section_lists
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(bfd *, struct bfd_link_info *);
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extern void elf32_arm_next_input_section
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(struct bfd_link_info *, struct bfd_section *);
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extern bfd_boolean elf32_arm_size_stubs
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(bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
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struct bfd_section * (*) (const char *, struct bfd_section *), void (*) (void));
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extern bfd_boolean elf32_arm_build_stubs
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(struct bfd_link_info *);
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/* TI COFF load page support. */
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/* TI COFF load page support. */
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extern void bfd_ticoff_set_section_load_page
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extern void bfd_ticoff_set_section_load_page
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(struct bfd_section *, int);
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(struct bfd_section *, int);
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1928
bfd/elf32-arm.c
1928
bfd/elf32-arm.c
File diff suppressed because it is too large
Load Diff
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dynindx = entry->d.h->dynindx;
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dynindx = entry->d.h->dynindx;
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else
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else
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{
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{
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if (sec->output_section
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if (sec
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&& sec->output_section
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&& ! bfd_is_abs_section (sec->output_section)
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&& ! bfd_is_abs_section (sec->output_section)
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&& ! bfd_is_und_section (sec->output_section))
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&& ! bfd_is_und_section (sec->output_section))
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dynindx = elf_section_data (sec->output_section)->dynindx;
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dynindx = elf_section_data (sec->output_section)->dynindx;
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of the section. For a non-local function, it's
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of the section. For a non-local function, it's
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disregarded. */
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disregarded. */
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lowword = ad;
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lowword = ad;
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if (entry->symndx == -1 && entry->d.h->dynindx != -1
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if (sec == NULL
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&& entry->d.h->dynindx == idx)
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|| (entry->symndx == -1 && entry->d.h->dynindx != -1
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&& entry->d.h->dynindx == idx))
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highword = 0;
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highword = 0;
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else
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else
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highword = _frvfdpic_osec_to_segment
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highword = _frvfdpic_osec_to_segment
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24
ld/ChangeLog
24
ld/ChangeLog
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@ -1,3 +1,27 @@
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2008-05-15 Christophe Lyon <christophe.lyon@st.com>
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* emultempl/armelf.em (build_section_lists): New function.
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(stub_file): Define.
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(need_laying_out): Define.
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(group_size): Define.
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(hook_stub_info): Define.
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(hook_in_stub): New function.
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(elf32_arm_add_stub_section): New function.
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(gldarm_layout_sections_again): New function.
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(gld${EMULATION_NAME}_finish): Replace arm_elf_finish(). Generate
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stubs for long calls if needed.
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(arm_elf_create_output_section_statements): create stub_file bfd.
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(arm_for_each_input_file_wrapper): New function.
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(arm_lang_for_each_input_file): New function.
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(lang_for_each_input_file): Define.
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(PARSE_AND_LIST_PROLOGUE): Add option token OPTION_STUBGROUP_SIZE.
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(PARSE_AND_LIST_LONGOPTS): Add option stub-group-size.
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(PARSE_AND_LIST_OPTIONS): Add option stub-group-size.
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(PARSE_AND_LIST_ARGS_CASES): Add OPTION_STUBGROUP_SIZE case.
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(LDEMUL_FINISH): Update to gld${EMULATION_NAME}_finish.
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* lang.c (print_input_statement): Skip if bfd has
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BFD_LINKER_CREATED.
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2008-05-14 Alan Modra <amodra@bigpond.net.au>
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2008-05-14 Alan Modra <amodra@bigpond.net.au>
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* Makefile.in: Regenerate.
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* Makefile.in: Regenerate.
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@ -27,6 +27,7 @@
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test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
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test -z "$TARGET2_TYPE" && TARGET2_TYPE="rel"
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fragment <<EOF
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fragment <<EOF
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#include "ldctor.h"
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#include "elf/arm.h"
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#include "elf/arm.h"
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static char *thumb_entry_symbol = NULL;
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static char *thumb_entry_symbol = NULL;
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}
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}
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}
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}
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/* Fake input file for stubs. */
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static lang_input_statement_type *stub_file;
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/* Whether we need to call gldarm_layout_sections_again. */
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static int need_laying_out = 0;
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/* Maximum size of a group of input sections that can be handled by
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one stub section. A value of +/-1 indicates the bfd back-end
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should use a suitable default size. */
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static bfd_signed_vma group_size = 1;
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struct hook_stub_info
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{
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lang_statement_list_type add;
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asection *input_section;
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};
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/* Traverse the linker tree to find the spot where the stub goes. */
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static bfd_boolean
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hook_in_stub (struct hook_stub_info *info, lang_statement_union_type **lp)
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{
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lang_statement_union_type *l;
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bfd_boolean ret;
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for (; (l = *lp) != NULL; lp = &l->header.next)
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{
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switch (l->header.type)
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{
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case lang_constructors_statement_enum:
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ret = hook_in_stub (info, &constructor_list.head);
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if (ret)
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return ret;
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break;
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case lang_output_section_statement_enum:
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ret = hook_in_stub (info,
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&l->output_section_statement.children.head);
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if (ret)
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return ret;
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break;
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case lang_wild_statement_enum:
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ret = hook_in_stub (info, &l->wild_statement.children.head);
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if (ret)
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return ret;
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break;
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case lang_group_statement_enum:
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ret = hook_in_stub (info, &l->group_statement.children.head);
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if (ret)
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|
return ret;
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|
break;
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case lang_input_section_enum:
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if (l->input_section.section == info->input_section)
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|
{
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/* We've found our section. Insert the stub immediately
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before its associated input section. */
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*lp = info->add.head;
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*(info->add.tail) = l;
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return TRUE;
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}
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|
break;
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case lang_data_statement_enum:
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|
case lang_reloc_statement_enum:
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|
case lang_object_symbols_statement_enum:
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|
case lang_output_statement_enum:
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|
case lang_target_statement_enum:
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|
case lang_input_statement_enum:
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|
case lang_assignment_statement_enum:
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|
case lang_padding_statement_enum:
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case lang_address_statement_enum:
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|
case lang_fill_statement_enum:
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|
break;
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default:
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|
FAIL ();
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|
break;
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|
}
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}
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|
return FALSE;
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}
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/* Call-back for elf32_arm_size_stubs. */
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/* Create a new stub section, and arrange for it to be linked
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immediately before INPUT_SECTION. */
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static asection *
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elf32_arm_add_stub_section (const char *stub_sec_name,
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asection *input_section)
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|
{
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asection *stub_sec;
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flagword flags;
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asection *output_section;
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const char *secname;
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lang_output_section_statement_type *os;
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struct hook_stub_info info;
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|
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stub_sec = bfd_make_section_anyway (stub_file->the_bfd, stub_sec_name);
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|
if (stub_sec == NULL)
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|
goto err_ret;
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|
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flags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
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||||||
|
| SEC_HAS_CONTENTS | SEC_RELOC | SEC_IN_MEMORY | SEC_KEEP);
|
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|
if (!bfd_set_section_flags (stub_file->the_bfd, stub_sec, flags))
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|
goto err_ret;
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|
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bfd_set_section_alignment (stub_file->the_bfd, stub_sec, 3);
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|
|
||||||
|
output_section = input_section->output_section;
|
||||||
|
secname = bfd_get_section_name (output_section->owner, output_section);
|
||||||
|
os = lang_output_section_find (secname);
|
||||||
|
|
||||||
|
info.input_section = input_section;
|
||||||
|
lang_list_init (&info.add);
|
||||||
|
lang_add_section (&info.add, stub_sec, os);
|
||||||
|
|
||||||
|
if (info.add.head == NULL)
|
||||||
|
goto err_ret;
|
||||||
|
|
||||||
|
if (hook_in_stub (&info, &os->children.head))
|
||||||
|
return stub_sec;
|
||||||
|
|
||||||
|
err_ret:
|
||||||
|
einfo ("%X%P: can not make stub section: %E\n");
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Another call-back for elf_arm_size_stubs. */
|
||||||
|
|
||||||
static void
|
static void
|
||||||
arm_elf_finish (void)
|
gldarm_layout_sections_again (void)
|
||||||
|
{
|
||||||
|
/* If we have changed sizes of the stub sections, then we need
|
||||||
|
to recalculate all the section offsets. This may mean we need to
|
||||||
|
add even more stubs. */
|
||||||
|
gld${EMULATION_NAME}_map_segments (TRUE);
|
||||||
|
need_laying_out = -1;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
build_section_lists (lang_statement_union_type *statement)
|
||||||
|
{
|
||||||
|
if (statement->header.type == lang_input_section_enum)
|
||||||
|
{
|
||||||
|
asection *i = statement->input_section.section;
|
||||||
|
|
||||||
|
if (!((lang_input_statement_type *) i->owner->usrdata)->just_syms_flag
|
||||||
|
&& (i->flags & SEC_EXCLUDE) == 0
|
||||||
|
&& i->output_section != NULL
|
||||||
|
&& i->output_section->owner == link_info.output_bfd)
|
||||||
|
elf32_arm_next_input_section (& link_info, i);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
gld${EMULATION_NAME}_finish (void)
|
||||||
{
|
{
|
||||||
struct bfd_link_hash_entry * h;
|
struct bfd_link_hash_entry * h;
|
||||||
|
|
||||||
/* Call the elf32.em routine. */
|
/* bfd_elf32_discard_info just plays with debugging sections,
|
||||||
gld${EMULATION_NAME}_finish ();
|
ie. doesn't affect any code, so we can delay resizing the
|
||||||
|
sections. It's likely we'll resize everything in the process of
|
||||||
|
adding stubs. */
|
||||||
|
if (bfd_elf_discard_info (link_info.output_bfd, & link_info))
|
||||||
|
need_laying_out = 1;
|
||||||
|
|
||||||
|
/* If generating a relocatable output file, then we don't
|
||||||
|
have to examine the relocs. */
|
||||||
|
if (stub_file != NULL && !link_info.relocatable)
|
||||||
|
{
|
||||||
|
int ret = elf32_arm_setup_section_lists (link_info.output_bfd, & link_info);
|
||||||
|
|
||||||
|
if (ret != 0)
|
||||||
|
{
|
||||||
|
if (ret < 0)
|
||||||
|
{
|
||||||
|
einfo ("%X%P: can not size stub section: %E\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
lang_for_each_statement (build_section_lists);
|
||||||
|
|
||||||
|
/* Call into the BFD backend to do the real work. */
|
||||||
|
if (! elf32_arm_size_stubs (link_info.output_bfd,
|
||||||
|
stub_file->the_bfd,
|
||||||
|
& link_info,
|
||||||
|
group_size,
|
||||||
|
& elf32_arm_add_stub_section,
|
||||||
|
& gldarm_layout_sections_again))
|
||||||
|
{
|
||||||
|
einfo ("%X%P: can not size stub section: %E\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (need_laying_out != -1)
|
||||||
|
gld${EMULATION_NAME}_map_segments (need_laying_out);
|
||||||
|
|
||||||
|
if (! link_info.relocatable)
|
||||||
|
{
|
||||||
|
/* Now build the linker stubs. */
|
||||||
|
if (stub_file->the_bfd->sections != NULL)
|
||||||
|
{
|
||||||
|
if (! elf32_arm_build_stubs (& link_info))
|
||||||
|
einfo ("%X%P: can not build stubs: %E\n");
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
finish_default ();
|
||||||
|
|
||||||
if (thumb_entry_symbol)
|
if (thumb_entry_symbol)
|
||||||
{
|
{
|
||||||
|
@ -246,8 +455,44 @@ arm_elf_create_output_section_statements (void)
|
||||||
target2_type, fix_v4bx, use_blx,
|
target2_type, fix_v4bx, use_blx,
|
||||||
vfp11_denorm_fix, no_enum_size_warning,
|
vfp11_denorm_fix, no_enum_size_warning,
|
||||||
pic_veneer);
|
pic_veneer);
|
||||||
|
|
||||||
|
stub_file = lang_add_input_file ("linker stubs",
|
||||||
|
lang_input_file_is_fake_enum,
|
||||||
|
NULL);
|
||||||
|
stub_file->the_bfd = bfd_create ("linker stubs", link_info.output_bfd);
|
||||||
|
if (stub_file->the_bfd == NULL
|
||||||
|
|| ! bfd_set_arch_mach (stub_file->the_bfd,
|
||||||
|
bfd_get_arch (link_info.output_bfd),
|
||||||
|
bfd_get_mach (link_info.output_bfd)))
|
||||||
|
{
|
||||||
|
einfo ("%X%P: can not create BFD %E\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
|
||||||
|
stub_file->the_bfd->flags |= BFD_LINKER_CREATED;
|
||||||
|
ldlang_add_file (stub_file);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
/* Avoid processing the fake stub_file in vercheck, stat_needed and
|
||||||
|
check_needed routines. */
|
||||||
|
|
||||||
|
static void (*real_func) (lang_input_statement_type *);
|
||||||
|
|
||||||
|
static void arm_for_each_input_file_wrapper (lang_input_statement_type *l)
|
||||||
|
{
|
||||||
|
if (l != stub_file)
|
||||||
|
(*real_func) (l);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
arm_lang_for_each_input_file (void (*func) (lang_input_statement_type *))
|
||||||
|
{
|
||||||
|
real_func = func;
|
||||||
|
lang_for_each_input_file (&arm_for_each_input_file_wrapper);
|
||||||
|
}
|
||||||
|
|
||||||
|
#define lang_for_each_input_file arm_lang_for_each_input_file
|
||||||
|
|
||||||
EOF
|
EOF
|
||||||
|
|
||||||
# Define some shell vars to insert bits of code into the standard elf
|
# Define some shell vars to insert bits of code into the standard elf
|
||||||
|
@ -265,6 +510,7 @@ PARSE_AND_LIST_PROLOGUE='
|
||||||
#define OPTION_NO_ENUM_SIZE_WARNING 309
|
#define OPTION_NO_ENUM_SIZE_WARNING 309
|
||||||
#define OPTION_PIC_VENEER 310
|
#define OPTION_PIC_VENEER 310
|
||||||
#define OPTION_FIX_V4BX_INTERWORKING 311
|
#define OPTION_FIX_V4BX_INTERWORKING 311
|
||||||
|
#define OPTION_STUBGROUP_SIZE 312
|
||||||
'
|
'
|
||||||
|
|
||||||
PARSE_AND_LIST_SHORTOPTS=p
|
PARSE_AND_LIST_SHORTOPTS=p
|
||||||
|
@ -282,6 +528,7 @@ PARSE_AND_LIST_LONGOPTS='
|
||||||
{ "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
|
{ "vfp11-denorm-fix", required_argument, NULL, OPTION_VFP11_DENORM_FIX},
|
||||||
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
|
{ "no-enum-size-warning", no_argument, NULL, OPTION_NO_ENUM_SIZE_WARNING},
|
||||||
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
|
{ "pic-veneer", no_argument, NULL, OPTION_PIC_VENEER},
|
||||||
|
{ "stub-group-size", required_argument, NULL, OPTION_STUBGROUP_SIZE },
|
||||||
'
|
'
|
||||||
|
|
||||||
PARSE_AND_LIST_OPTIONS='
|
PARSE_AND_LIST_OPTIONS='
|
||||||
|
@ -297,6 +544,15 @@ PARSE_AND_LIST_OPTIONS='
|
||||||
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible"
|
fprintf (file, _(" --no-enum-size-warning Don'\''t warn about objects with incompatible"
|
||||||
" enum sizes\n"));
|
" enum sizes\n"));
|
||||||
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
|
fprintf (file, _(" --pic-veneer Always generate PIC interworking veneers\n"));
|
||||||
|
fprintf (file, _("\
|
||||||
|
--stub-group-size=N Maximum size of a group of input sections that can be\n\
|
||||||
|
handled by one stub section. A negative value\n\
|
||||||
|
locates all stubs before their branches (with a\n\
|
||||||
|
group size of -N), while a positive value allows\n\
|
||||||
|
two groups of input sections, one before, and one\n\
|
||||||
|
after each stub section. Values of +/-1 indicate\n\
|
||||||
|
the linker should choose suitable defaults.\n"
|
||||||
|
));
|
||||||
'
|
'
|
||||||
|
|
||||||
PARSE_AND_LIST_ARGS_CASES='
|
PARSE_AND_LIST_ARGS_CASES='
|
||||||
|
@ -354,6 +610,16 @@ PARSE_AND_LIST_ARGS_CASES='
|
||||||
case OPTION_PIC_VENEER:
|
case OPTION_PIC_VENEER:
|
||||||
pic_veneer = 1;
|
pic_veneer = 1;
|
||||||
break;
|
break;
|
||||||
|
|
||||||
|
case OPTION_STUBGROUP_SIZE:
|
||||||
|
{
|
||||||
|
const char *end;
|
||||||
|
|
||||||
|
group_size = bfd_scan_vma (optarg, &end, 0);
|
||||||
|
if (*end)
|
||||||
|
einfo (_("%P%F: invalid number `%s'\''\n"), optarg);
|
||||||
|
}
|
||||||
|
break;
|
||||||
'
|
'
|
||||||
|
|
||||||
# We have our own after_open and before_allocation functions, but they call
|
# We have our own after_open and before_allocation functions, but they call
|
||||||
|
@ -367,4 +633,4 @@ LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS=arm_elf_create_output_section_statements
|
||||||
LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
|
LDEMUL_BEFORE_PARSE=gld"${EMULATION_NAME}"_before_parse
|
||||||
|
|
||||||
# Call the extra arm-elf function
|
# Call the extra arm-elf function
|
||||||
LDEMUL_FINISH=arm_elf_finish
|
LDEMUL_FINISH=gld${EMULATION_NAME}_finish
|
||||||
|
|
13
ld/ldlang.c
13
ld/ldlang.c
|
@ -3729,10 +3729,11 @@ print_assignment (lang_assignment_statement_type *assignment,
|
||||||
static void
|
static void
|
||||||
print_input_statement (lang_input_statement_type *statm)
|
print_input_statement (lang_input_statement_type *statm)
|
||||||
{
|
{
|
||||||
if (statm->filename != NULL)
|
if ((statm->filename != NULL)
|
||||||
{
|
&& ((statm->the_bfd == NULL)
|
||||||
fprintf (config.map_file, "LOAD %s\n", statm->filename);
|
||
|
||||||
}
|
((statm->the_bfd->flags & BFD_LINKER_CREATED) == 0)))
|
||||||
|
fprintf (config.map_file, "LOAD %s\n", statm->filename);
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Print all symbols defined in a particular section. This is called
|
/* Print all symbols defined in a particular section. This is called
|
||||||
|
@ -4185,8 +4186,8 @@ insert_pad (lang_statement_union_type **ptr,
|
||||||
/* Use the existing pad statement. */
|
/* Use the existing pad statement. */
|
||||||
}
|
}
|
||||||
else if ((pad = *ptr) != NULL
|
else if ((pad = *ptr) != NULL
|
||||||
&& pad->header.type == lang_padding_statement_enum
|
&& pad->header.type == lang_padding_statement_enum
|
||||||
&& pad->padding_statement.output_section == output_section)
|
&& pad->padding_statement.output_section == output_section)
|
||||||
{
|
{
|
||||||
/* Use the existing pad statement. */
|
/* Use the existing pad statement. */
|
||||||
}
|
}
|
||||||
|
|
|
@ -1,3 +1,21 @@
|
||||||
|
2008-05-15 Christophe Lyon <christophe.lyon@st.com>
|
||||||
|
|
||||||
|
* 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.
|
||||||
|
|
||||||
2008-05-08 Alan Modra <amodra@bigpond.net.au>
|
2008-05-08 Alan Modra <amodra@bigpond.net.au>
|
||||||
|
|
||||||
* ld-spu/ear.s: Align various sections.
|
* ld-spu/ear.s: Align various sections.
|
||||||
|
|
|
@ -1,5 +1,5 @@
|
||||||
# Expect script for various ARM ELF tests.
|
# Expect script for various ARM ELF tests.
|
||||||
# Copyright 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
|
# Copyright 2002, 2003, 2004, 2007, 2008 Free Software Foundation, Inc.
|
||||||
#
|
#
|
||||||
# This file is part of the GNU Binutils.
|
# This file is part of the GNU Binutils.
|
||||||
#
|
#
|
||||||
|
@ -177,15 +177,65 @@ set armelftests {
|
||||||
{"callweak" "-static -T arm.ld" "" {callweak.s}
|
{"callweak" "-static -T arm.ld" "" {callweak.s}
|
||||||
{{objdump -dr callweak.d}}
|
{{objdump -dr callweak.d}}
|
||||||
"callweak"}
|
"callweak"}
|
||||||
{"ARMv4 interworking" "-static -T arm.ld --fix-v4bx-interworking" "--fix-v4bx -meabi=4" {armv4-bx.s}
|
|
||||||
{{objdump -d armv4-bx.d}}
|
{"ARMv4 interworking" "-static -T arm.ld --fix-v4bx-interworking" "--fix-v4bx -meabi=4" {armv4-bx.s}
|
||||||
"armv4-bx"}
|
{{objdump -d armv4-bx.d}}
|
||||||
{"MOVW/MOVT and merged sections" "-T arm.ld" "" {movw-merge.s}
|
"armv4-bx"}
|
||||||
{{objdump -dw movw-merge.d}}
|
{"MOVW/MOVT and merged sections" "-T arm.ld" "" {movw-merge.s}
|
||||||
"movw-merge"}
|
{{objdump -dw movw-merge.d}}
|
||||||
{"MOVW/MOVT against shared libraries" "tmpdir/arm-lib.so" "" {arm-app-movw.s}
|
"movw-merge"}
|
||||||
{{objdump -Rw arm-app.r}}
|
{"MOVW/MOVT against shared libraries" "tmpdir/arm-lib.so" "" {arm-app-movw.s}
|
||||||
"arm-app-movw"}
|
{{objdump -Rw arm-app.r}}
|
||||||
|
"arm-app-movw"}
|
||||||
|
{"Thumb-2-as-Thumb-1 BL" "-Ttext 0x1000 --section-start .foo=0x40100c" "" {thumb2-bl-as-thumb1-bad.s}
|
||||||
|
{{objdump -d thumb2-bl-as-thumb1-bad.d}}
|
||||||
|
"thumb2-bl-as-thumb1-bad"}
|
||||||
|
{"Thumb-2 BL" "-Ttext 0x1000 --section-start .foo=0x100100c" "" {thumb2-bl-bad.s}
|
||||||
|
{{objdump -d thumb2-bl-bad.d}}
|
||||||
|
"thumb2-bl-bad"}
|
||||||
|
|
||||||
|
{"ARM-ARM farcall" "-Ttext 0x1000 --section-start .foo=0x2001020" "" {farcall-arm-arm.s}
|
||||||
|
{{objdump -d farcall-arm-arm.d}}
|
||||||
|
"farcall-arm-arm"}
|
||||||
|
{"ARM-ARM farcall (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001020 --pic-veneer" "" {farcall-arm-arm.s}
|
||||||
|
{{objdump -d farcall-arm-arm-pic-veneer.d}}
|
||||||
|
"farcall-arm-arm-pic-veneer"}
|
||||||
|
{"ARM-ARM farcall (BE8)" "-Ttext 0x1000 --section-start .foo=0x2001020 -EB --be8" "-EB" {farcall-arm-arm.s}
|
||||||
|
{{objdump -d farcall-arm-arm-be8.d}}
|
||||||
|
"farcall-arm-arm-be8"}
|
||||||
|
|
||||||
|
{"ARM-Thumb farcall" "-Ttext 0x1000 --section-start .foo=0x2001014" "" {farcall-arm-thumb.s}
|
||||||
|
{{objdump -d farcall-arm-thumb.d}}
|
||||||
|
"farcall-arm-thumb"}
|
||||||
|
{"ARM-Thumb farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-arm-thumb.s}
|
||||||
|
{{objdump -d farcall-arm-thumb-blx.d}}
|
||||||
|
"farcall-arm-thumb-blx"}
|
||||||
|
{"ARM-Thumb farcall (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "" {farcall-arm-thumb.s}
|
||||||
|
{{objdump -d farcall-arm-thumb-pic-veneer.d}}
|
||||||
|
"farcall-arm-thumb-pic-veneer"}
|
||||||
|
{"ARM-Thumb farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-arm-thumb.s}
|
||||||
|
{{objdump -d farcall-arm-thumb-blx-pic-veneer.d}}
|
||||||
|
"farcall-arm-thumb-blx-pic-veneer"}
|
||||||
|
|
||||||
|
{"Thumb-Thumb farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-thumb-thumb.s}
|
||||||
|
{{objdump -d farcall-thumb-thumb-blx.d}}
|
||||||
|
"farcall-thumb-thumb-blx"}
|
||||||
|
{"Thumb-Thumb farcall M profile" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv7m" {farcall-thumb-thumb.s}
|
||||||
|
{{objdump -d farcall-thumb-thumb-m.d}}
|
||||||
|
"farcall-thumb-thumb-m"}
|
||||||
|
{"Thumb-Thumb farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-thumb-thumb.s}
|
||||||
|
{{objdump -d farcall-thumb-thumb-blx-pic-veneer.d}}
|
||||||
|
"farcall-thumb-thumb-blx-pic-veneer"}
|
||||||
|
|
||||||
|
{"Thumb-ARM farcall" "-Ttext 0x1000 --section-start .foo=0x2001014" "" {farcall-thumb-arm.s}
|
||||||
|
{{objdump -d farcall-thumb-arm.d}}
|
||||||
|
"farcall-thumb-arm"}
|
||||||
|
{"Thumb-ARM farcall with BLX" "-Ttext 0x1000 --section-start .foo=0x2001014" "-march=armv5t" {farcall-thumb-arm.s}
|
||||||
|
{{objdump -d farcall-thumb-arm-blx.d}}
|
||||||
|
"farcall-thumb-arm-blx"}
|
||||||
|
{"Thumb-ARM farcall with BLX (PIC veneer)" "-Ttext 0x1000 --section-start .foo=0x2001014 --pic-veneer" "-march=armv5t" {farcall-thumb-arm.s}
|
||||||
|
{{objdump -d farcall-thumb-arm-blx-pic-veneer.d}}
|
||||||
|
"farcall-thumb-arm-blx-pic-veneer"}
|
||||||
}
|
}
|
||||||
|
|
||||||
run_ld_link_tests $armelftests
|
run_ld_link_tests $armelftests
|
||||||
|
@ -193,9 +243,11 @@ run_dump_test "group-relocs-alu-bad"
|
||||||
run_dump_test "group-relocs-ldr-bad"
|
run_dump_test "group-relocs-ldr-bad"
|
||||||
run_dump_test "group-relocs-ldrs-bad"
|
run_dump_test "group-relocs-ldrs-bad"
|
||||||
run_dump_test "group-relocs-ldc-bad"
|
run_dump_test "group-relocs-ldc-bad"
|
||||||
run_dump_test "thumb2-bl-as-thumb1-bad"
|
|
||||||
run_dump_test "thumb2-bl-bad"
|
|
||||||
run_dump_test "emit-relocs1"
|
run_dump_test "emit-relocs1"
|
||||||
|
run_dump_test "farcall-thumb-thumb"
|
||||||
|
run_dump_test "farcall-thumb-thumb-pic-veneer"
|
||||||
|
run_dump_test "farcall-thumb-thumb-m-pic-veneer"
|
||||||
|
run_dump_test "farcall-thumb-arm-pic-veneer"
|
||||||
|
|
||||||
# Exclude non-ARM-EABI targets.
|
# Exclude non-ARM-EABI targets.
|
||||||
|
|
||||||
|
|
|
@ -0,0 +1,14 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: 04f01fe5 .*
|
||||||
|
1004: 02001020 .word 0x02001020
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: fcffffeb .*
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001020 <bar>:
|
||||||
|
2001020: 1eff2fe1 .*
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e08ff00c add pc, pc, ip
|
||||||
|
1008: 02000018 .word 0x02000018
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: ebfffffa bl 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001020 <bar>:
|
||||||
|
2001020: e12fff1e bx lr
|
|
@ -0,0 +1,14 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 02001020 .word 0x02001020
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: ebfffffc bl 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001020 <bar>:
|
||||||
|
2001020: e12fff1e bx lr
|
|
@ -0,0 +1,19 @@
|
||||||
|
@ Test to ensure that a ARM to ARM call exceeding 32Mb generates a stub.
|
||||||
|
|
||||||
|
.global _start
|
||||||
|
.syntax unified
|
||||||
|
|
||||||
|
@ We will place the section .text at 0x1000.
|
||||||
|
|
||||||
|
.text
|
||||||
|
|
||||||
|
_start:
|
||||||
|
bl bar
|
||||||
|
|
||||||
|
@ We will place the section .foo at 0x2001020.
|
||||||
|
|
||||||
|
.section .foo, "xa"
|
||||||
|
|
||||||
|
bar:
|
||||||
|
bx lr
|
||||||
|
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e08ff00c add pc, pc, ip
|
||||||
|
1008: 0200000d .word 0x0200000d
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: ebfffffa bl 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,14 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 02001015 .word 0x02001015
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: ebfffffc bl 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e08ff00c add pc, pc, ip
|
||||||
|
1008: 0200000d .word 0x0200000d
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: ebfffffa bl 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e12fff1c bx ip
|
||||||
|
1008: 02001015 .word 0x02001015
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: ebfffffa bl 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,20 @@
|
||||||
|
@ Test to ensure that a ARM to Thumb call exceeding 32Mb generates a stub.
|
||||||
|
|
||||||
|
.global _start
|
||||||
|
.global bar
|
||||||
|
.syntax unified
|
||||||
|
|
||||||
|
@ We will place the section .text at 0x1000.
|
||||||
|
|
||||||
|
.text
|
||||||
|
|
||||||
|
_start:
|
||||||
|
bl bar
|
||||||
|
|
||||||
|
@ We will place the section .foo at 0x2001010.
|
||||||
|
|
||||||
|
.section .foo, "xa"
|
||||||
|
.thumb_func
|
||||||
|
bar:
|
||||||
|
bx lr
|
||||||
|
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e08ff00c add pc, pc, ip
|
||||||
|
1008: 0200000c .word 0x0200000c
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: f7ff eff6 blx 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,14 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 02001014 .word 0x02001014
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: f7ff effa blx 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,5 @@
|
||||||
|
#name: Thumb-Thumb farcall without BLX
|
||||||
|
#source: farcall-thumb-thumb.s
|
||||||
|
#as: -march=armv4t
|
||||||
|
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
|
||||||
|
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
@ -0,0 +1,19 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x18>:
|
||||||
|
1000: b540 push {r6, lr}
|
||||||
|
1002: 4e03 ldr r6, \[pc, #12\] \(1010 <_start-0x8>\)
|
||||||
|
1004: 46fe mov lr, pc
|
||||||
|
1006: 4730 bx r6
|
||||||
|
1008: e8bd4040 pop {r6, lr}
|
||||||
|
100c: e12fff1e bx lr
|
||||||
|
...
|
||||||
|
|
||||||
|
00001018 <_start>:
|
||||||
|
1018: f7ff eff2 blx 1000 <_start-0x18>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,19 @@
|
||||||
|
@ Test to ensure that a Thumb to ARM call exceeding 4Mb generates a stub.
|
||||||
|
|
||||||
|
.global _start
|
||||||
|
.syntax unified
|
||||||
|
|
||||||
|
@ We will place the section .text at 0x1000.
|
||||||
|
|
||||||
|
.text
|
||||||
|
.thumb_func
|
||||||
|
_start:
|
||||||
|
bl bar
|
||||||
|
|
||||||
|
@ We will place the section .foo at 0x2001014.
|
||||||
|
|
||||||
|
.section .foo, "xa"
|
||||||
|
|
||||||
|
bar:
|
||||||
|
bx lr
|
||||||
|
|
|
@ -0,0 +1,16 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: e59fc000 ldr ip, \[pc, #0\] ; 1008 <_start-0x8>
|
||||||
|
1004: e08ff00c add pc, pc, ip
|
||||||
|
1008: 0200000d .word 0x0200000d
|
||||||
|
100c: 00000000 .word 0x00000000
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: f7ff eff6 blx 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,14 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 02001015 .word 0x02001015
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: f7ff effa blx 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,5 @@
|
||||||
|
#name: Thumb-Thumb farcall without BLX
|
||||||
|
#source: farcall-thumb-thumb.s
|
||||||
|
#as: -march=armv4t
|
||||||
|
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
|
||||||
|
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
@ -0,0 +1,19 @@
|
||||||
|
.*: file format .*
|
||||||
|
|
||||||
|
Disassembly of section .text:
|
||||||
|
|
||||||
|
00001000 <_start-0x10>:
|
||||||
|
1000: b540 push {r6, lr}
|
||||||
|
1002: 4e02 ldr r6, \[pc, #8\] \(100c <_start-0x4>\)
|
||||||
|
1004: 46fe mov lr, pc
|
||||||
|
1006: e7fe b.n 1006 <_start-0xa>
|
||||||
|
1008: bd40 pop {r6, pc}
|
||||||
|
100a: bf00 nop
|
||||||
|
100c: 02001015 .word 0x02001015
|
||||||
|
|
||||||
|
00001010 <_start>:
|
||||||
|
1010: f7ff eff6 blx 1000 <_start-0x10>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
02001014 <bar>:
|
||||||
|
2001014: 4770 bx lr
|
|
@ -0,0 +1,5 @@
|
||||||
|
#name: Thumb-Thumb farcall without BLX
|
||||||
|
#source: farcall-thumb-thumb.s
|
||||||
|
#as: -march=armv4t
|
||||||
|
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
|
||||||
|
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
@ -0,0 +1,5 @@
|
||||||
|
#name: Thumb-Thumb farcall without BLX
|
||||||
|
#source: farcall-thumb-thumb.s
|
||||||
|
#as: -march=armv4t
|
||||||
|
#ld: -Ttext 0x1000 --section-start .foo=0x2001014
|
||||||
|
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
@ -0,0 +1,19 @@
|
||||||
|
@ Test to ensure that a Thumb to Thumb call exceeding 4Mb generates a stub.
|
||||||
|
|
||||||
|
.global _start
|
||||||
|
.syntax unified
|
||||||
|
|
||||||
|
@ We will place the section .text at 0x1000.
|
||||||
|
|
||||||
|
.text
|
||||||
|
.thumb_func
|
||||||
|
_start:
|
||||||
|
bl bar
|
||||||
|
|
||||||
|
@ We will place the section .foo at 0x02001014.
|
||||||
|
|
||||||
|
.section .foo, "xa"
|
||||||
|
.thumb_func
|
||||||
|
bar:
|
||||||
|
bx lr
|
||||||
|
|
|
@ -1,4 +1,14 @@
|
||||||
#name: Thumb-2-as-Thumb-1 BL failure test
|
.*: file format .*
|
||||||
#source: thumb2-bl-as-thumb1-bad.s
|
|
||||||
#ld: -Ttext 0x1000 --section-start .foo=0x401004
|
Disassembly of section .text:
|
||||||
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 0040100d .word 0x0040100d
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: f7ff effa blx 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
0040100c <bar>:
|
||||||
|
40100c: 4770 bx lr
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
@ Test to ensure that a Thumb-1 BL with a Thumb-2-only offset fails.
|
@ Test to ensure that a Thumb-1 BL with a Thumb-2-only offset makes the linker generate a stub.
|
||||||
|
|
||||||
.arch armv5t
|
.arch armv5t
|
||||||
.global _start
|
.global _start
|
||||||
|
@ -12,7 +12,7 @@
|
||||||
_start:
|
_start:
|
||||||
bl bar
|
bl bar
|
||||||
|
|
||||||
@ We will place the section .foo at 0x401004.
|
@ We will place the section .foo at 0x40100c.
|
||||||
|
|
||||||
.section .foo, "xa"
|
.section .foo, "xa"
|
||||||
.thumb_func
|
.thumb_func
|
||||||
|
|
|
@ -1,4 +1,14 @@
|
||||||
#name: Thumb-2 BL failure test
|
.*: file format .*
|
||||||
#source: thumb2-bl-bad.s
|
|
||||||
#ld: -Ttext 0x1000 --section-start .foo=0x1001004
|
Disassembly of section .text:
|
||||||
#error: .*\(.text\+0x0\): relocation truncated to fit: R_ARM_THM_CALL against `bar'
|
|
||||||
|
00001000 <_start-0x8>:
|
||||||
|
1000: e51ff004 ldr pc, \[pc, #-4\] ; 1004 <_start-0x4>
|
||||||
|
1004: 0100100d .word 0x0100100d
|
||||||
|
|
||||||
|
00001008 <_start>:
|
||||||
|
1008: f7ff effa blx 1000 <_start-0x8>
|
||||||
|
Disassembly of section .foo:
|
||||||
|
|
||||||
|
0100100c <bar>:
|
||||||
|
100100c: 4770 bx lr
|
||||||
|
|
|
@ -1,4 +1,4 @@
|
||||||
@ Test to ensure that a Thumb-2 BL with an oversize offset fails.
|
@ Test to ensure that a Thumb-2 BL with an oversize offset makes the linker generate a stub.
|
||||||
|
|
||||||
.arch armv7
|
.arch armv7
|
||||||
.global _start
|
.global _start
|
||||||
|
@ -12,7 +12,7 @@
|
||||||
_start:
|
_start:
|
||||||
bl bar
|
bl bar
|
||||||
|
|
||||||
@ We will place the section .foo at 0x1001004.
|
@ We will place the section .foo at 0x100100c.
|
||||||
|
|
||||||
.section .foo, "xa"
|
.section .foo, "xa"
|
||||||
.thumb_func
|
.thumb_func
|
||||||
|
|
Loading…
Reference in New Issue