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https://sourceware.org/git/binutils-gdb.git
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fbd9ad907d
bfd/
* bfd-in.h (elf32_tic6x_fix_exidx_coverage): Add prototype.
* bfd-in2.h: Regenerate.
* elf32-tic6x.c: Include limits.h.
(tic6x_unwind_edit_type, tic6x_unwind_table_edit,
_tic6x_elf_section_data): New.
(elf32_tic6x_section_data): Define.
(elf32_tic6x_new_section_hook): Allocate target specific data.
(elf32_tic6x_add_unwind_table_edit): New function.
(get_tic6x_elf_section_data, elf32_tic6x_adjust_exidx_size,
elf32_tic6x_insert_cantunwind_after, elf32_tic6x_add_low31,
elf32_tic6x_copy_exidx_entry): New functions.
(elf_backend_write_section): Define.
ld/
* emultempl/tic6xdsbt.em (merge_exidx_entries): New.
(compare_output_sec_vma): New function.
(gld${EMULATION_NAME}_after_allocation): New function.
(OPTION_NO_MERGE_EXIDX_ENTRIES): Define.
(PARSE_AND_LIST_OPTIONS): Add --no-merge-exidx-entries.
(PARSE_AND_LIST_ARGS_CASES): Add OPTION_NO_MERGE_EXIDX_ENTRIES.
(LDEMUL_AFTER_ALLOCATION): Set.
* ld.texinfo: Document c6x --no-merge-exidx-entries.
ld/testsuite/
* ld-tic6x/discard-unwind.ld: New.
* ld-tic6x/unwind.ld: New.
* ld-tic6x/unwind-1.d: New test.
* ld-tic6x/unwind-1.s: New test.
* ld-tic6x/unwind-2.d: New test.
* ld-tic6x/unwind-2.s: New test.
* ld-tic6x/unwind-3.d: New test.
* ld-tic6x/unwind-3.s: New test.
* ld-tic6x/unwind-4.d: New test.
* ld-tic6x/unwind-4.s: New test.
* ld-tic6x/unwind-5.d: New test.
* ld-tic6x/unwind-5.s: New test.
* ld-tic6x/unwind-6.d: New test.
69 lines
1.1 KiB
ArmAsm
69 lines
1.1 KiB
ArmAsm
.cfi_sections .c6xabi.exidx
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.text
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# out of line table entry
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.global _start
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.type _start, %function
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_start:
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.cfi_startproc
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.cfi_offset B3, 0
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.cfi_def_cfa_offset 8
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nop
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.p2align 6
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.cfi_endproc
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.personalityindex 3
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.handlerdata
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.word 0
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.endp
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# entry that can be merged
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.cfi_startproc
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.cfi_offset B3, 0
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.cfi_def_cfa_offset 8
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nop
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.p2align 6
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.cfi_endproc
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.personalityindex 3
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.endp
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# Section that will be placed first
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.section .before, "xa"
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.type _before, %function
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_before:
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.cfi_startproc
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.cfi_offset B3, 0
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.cfi_def_cfa_offset 8
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nop
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.p2align 6
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.cfi_endproc
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.personalityindex 3
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.endp
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# section that will be placed last
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.section .after, "xa"
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.global __c6xabi_unwind_cpp_pr3
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.type __c6xabi_unwind_cpp_pr3, %function
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__c6xabi_unwind_cpp_pr3:
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# entry that can be merged
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.cfi_startproc
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.cfi_offset B3, 0
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.cfi_def_cfa_offset 8
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nop
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.cfi_endproc
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.personalityindex 3
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.endp
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# final function is cantunwind, so output table size is smaller
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# than sum of input sections
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.global foo
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.type foo, %function
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foo:
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.cfi_startproc
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nop
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.p2align 6
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.cfi_endproc
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.cantunwind
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.endp
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.section .far
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.word 0
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