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2468f9c95d
bfd/
* bfd-in.h (elf32_arm_fix_exidx_coverage): Add prototype.
* bfd-in2.h: Regenerate.
* elf32-arm.c (arm_unwind_edit_type, arm_unwind_table_edit): Define.
(_arm_elf_section_data): Add text and exidx fields.
(add_unwind_table_edit, get_arm_elf_section_data, adjust_exidx_size,
insert_cantunwind_after, elf32_arm_fix_exidx_coverage, offset_prel31,
copy_exidx_entry): New functions.
(elf32_arm_write_section): Fixup .ARM.exidx contents.
ld/
* emultempl/armelf.em (compare_output_sec_vma): New function.
(gld${EMULATION_NAME}_finish): Add exidx munging code.
ld/testsuite/
* ld-arm/arm.ld: Add .ARM.exidx and .ARM.extab.
* ld-arm/arm-elf.exp: Add unwind-[1-4].
* ld-arm/unwind-1.d: New test.
* ld-arm/unwind-1.s: New test.
* ld-arm/unwind-2.d: New test.
* ld-arm/unwind-2.s: New test.
* ld-arm/unwind-3.d: New test.
* ld-arm/unwind-3.s: New test.
* ld-arm/unwind-4.d: New test.
* ld-arm/unwind-4.s: New test.
50 lines
833 B
ArmAsm
50 lines
833 B
ArmAsm
.syntax unified
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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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.fnstart
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.save {r4, lr}
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.vsave {d0}
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.vsave {d4}
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bl _before
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.fnend
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@ entry that can be merged
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.fnstart
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.save {r4, lr}
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bx lr
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.fnend
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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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.fnstart
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.save {r4, lr}
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bx lr
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.fnend
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@ section that will be placed last
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.section .after, "xa"
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.global __aeabi_unwind_cpp_pr0
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.type __aeabi_unwind_cpp_pr0, %function
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__aeabi_unwind_cpp_pr0:
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.fnstart
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.save {r4, lr}
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bx lr
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.fnend
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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 __aeabi_unwind_cpp_pr1
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.type __aeabi_unwind_cpp_pr1, %function
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__aeabi_unwind_cpp_pr1:
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.fnstart
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.cantunwind
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bx lr
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.fnend
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.section .far
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.word 0
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