318 lines
13 KiB
YAML
318 lines
13 KiB
YAML
# RUN: lld -flavor darwin -arch arm64 -r -print_atoms %s -o %t | FileCheck %s
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# RUN: lld -flavor darwin -arch arm64 -r -print_atoms %t -o %t2 | FileCheck %s
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# RUN: llvm-objdump -r -s -section="__eh_frame" -macho %t | FileCheck -check-prefix=CODE %s
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# RUN: llvm-objdump -r -s -section="__eh_frame" -macho %t2 | FileCheck -check-prefix=CODE %s
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--- !mach-o
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arch: arm64
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file-type: MH_OBJECT
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flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ]
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compat-version: 0.0
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current-version: 0.0
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has-UUID: false
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OS: unknown
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sections:
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- segment: __TEXT
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section: __text
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type: S_REGULAR
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attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ]
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alignment: 4
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address: 0x0000000000000000
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content: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xC0, 0x03, 0x5F, 0xD6, 0xC0, 0x03, 0x5F, 0xD6,
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0xC0, 0x03, 0x5F, 0xD6 ]
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- segment: __TEXT
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section: __gcc_except_tab
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type: S_REGULAR
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attributes: [ ]
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address: 0x0000000000000014
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content: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
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- segment: __DATA
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section: __data
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type: S_REGULAR
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attributes: [ ]
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address: 0x000000000000001C
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content: [ 0x00, 0x00, 0x00, 0x00 ]
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- segment: __LD
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section: __compact_unwind
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type: S_REGULAR
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attributes: [ ]
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alignment: 8
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address: 0x0000000000000020
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content: [ 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
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relocations:
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- offset: 0x00000020
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: false
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symbol: 1
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- offset: 0x00000000
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: false
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symbol: 1
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- segment: __TEXT
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section: __eh_frame
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type: S_COALESCED
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attributes: [ ]
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alignment: 8
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address: 0x0000000000000060
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content: [ 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78,
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0x1E, 0x07, 0x9B, 0xED, 0xFF, 0xFF, 0xFF, 0x10,
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0x10, 0x0C, 0x1F, 0x00, 0x28, 0x00, 0x00, 0x00,
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0x20, 0x00, 0x00, 0x00, 0xDC, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x08, 0xCB, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0E, 0x10, 0x9E,
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0x01, 0x9D, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78,
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0x1E, 0x07, 0x9B, 0xA9, 0xFF, 0xFF, 0xFF, 0x10,
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0x10, 0x0C, 0x1F, 0x00, 0x28, 0x00, 0x00, 0x00,
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0x20, 0x00, 0x00, 0x00, 0x94, 0xFF, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x08, 0x83, 0xFF, 0xFF,
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0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0E, 0x10, 0x9E,
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0x01, 0x9D, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 ]
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relocations:
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- offset: 0x0000007D
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type: ARM64_RELOC_SUBTRACTOR
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length: 3
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pc-rel: false
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extern: true
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symbol: 6
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- offset: 0x0000007D
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: true
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symbol: 3
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- offset: 0x0000006C
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type: ARM64_RELOC_SUBTRACTOR
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length: 3
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pc-rel: false
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extern: true
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symbol: 6
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- offset: 0x0000006C
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: true
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symbol: 8
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- offset: 0x0000005B
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type: ARM64_RELOC_POINTER_TO_GOT
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length: 2
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pc-rel: true
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extern: true
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symbol: 10
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- offset: 0x00000035
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type: ARM64_RELOC_SUBTRACTOR
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length: 3
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pc-rel: false
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extern: true
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symbol: 6
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- offset: 0x00000035
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: true
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symbol: 2
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- offset: 0x00000024
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type: ARM64_RELOC_SUBTRACTOR
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length: 3
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pc-rel: false
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extern: true
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symbol: 6
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- offset: 0x00000024
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type: ARM64_RELOC_UNSIGNED
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length: 3
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pc-rel: false
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extern: true
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symbol: 7
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- offset: 0x00000013
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type: ARM64_RELOC_POINTER_TO_GOT
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length: 2
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pc-rel: true
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extern: true
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symbol: 9
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local-symbols:
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- name: ltmp0
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type: N_SECT
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sect: 1
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value: 0x0000000000000000
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- name: ltmp1
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type: N_SECT
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sect: 2
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value: 0x0000000000000014
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- name: _bar1
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type: N_SECT
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sect: 2
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value: 0x0000000000000014
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- name: _bar2
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type: N_SECT
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sect: 2
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value: 0x0000000000000018
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- name: ltmp12
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type: N_SECT
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sect: 3
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value: 0x000000000000001C
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- name: ltmp13
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type: N_SECT
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sect: 4
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value: 0x0000000000000020
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- name: ltmp16
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type: N_SECT
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sect: 5
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value: 0x0000000000000060
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global-symbols:
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- name: __Z3fooi
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x0000000000000008
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- name: __Z4foo2i
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x000000000000000C
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- name: __gxx_personality_v0
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x0000000000000000
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- name: __gxx_personality_v1
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x0000000000000004
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- name: _main
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type: N_SECT
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scope: [ N_EXT ]
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sect: 1
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value: 0x0000000000000010
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- name: _someData
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type: N_SECT
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scope: [ N_EXT ]
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sect: 3
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value: 0x000000000000001C
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page-size: 0x00000000
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...
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# CHECK: --- !native
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# CHECK: path: '<linker-internal>'
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# CHECK: defined-atoms:
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# CHECK: - ref-name: L000
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# CHECK: type: unwind-cfi
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# CHECK: content: [ 18, 00, 00, 00, 00, 00, 00, 00, 03, 7A, 50, 4C,
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# CHECK: 52, 00, 01, 78, 1E, 07, 9B, {{..}}, {{..}}, {{..}}, {{..}}, 10,
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# CHECK: 10, 0C, 1F, 00 ]
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# CHECK: alignment: 8
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# CHECK: references:
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# CHECK: - kind: unwindCIEToPersonalityFunction
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# CHECK: offset: 19
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# CHECK: target: __gxx_personality_v0
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# CHECK: - type: unwind-cfi
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# CHECK: content: [ 28, 00, 00, 00, 20, 00, 00, 00, {{..}}, {{..}}, {{..}}, {{..}},
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# CHECK: {{..}}, {{..}}, {{..}}, {{..}}, 04, 00, 00, 00, 00, 00, 00, 00,
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# CHECK: 08, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, 0E, 10, 9E,
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# CHECK: 01, 9D, 02, 00, 00, 00, 00, 00 ]
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# CHECK: alignment: 4 mod 8
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# CHECK: references:
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# CHECK: - kind: negDelta32
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# CHECK: offset: 4
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# CHECK: target: L000
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# CHECK: - kind: unwindFDEToFunction
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# CHECK: offset: 8
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# CHECK: target: __Z3fooi
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# CHECK: - kind: unwindFDEToFunction
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# CHECK: offset: 25
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# CHECK: target: _bar1
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# CHECK: - ref-name: L001
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# CHECK: type: unwind-cfi
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# CHECK: content: [ 18, 00, 00, 00, 00, 00, 00, 00, 03, 7A, 50, 4C,
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# CHECK: 52, 00, 01, 78, 1E, 07, 9B, {{..}}, {{..}}, {{..}}, {{..}}, 10,
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# CHECK: 10, 0C, 1F, 00 ]
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# CHECK: alignment: 8
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# CHECK: references:
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# CHECK: - kind: unwindCIEToPersonalityFunction
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# CHECK: offset: 19
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# CHECK: target: __gxx_personality_v1
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# CHECK: - type: unwind-cfi
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# CHECK: content: [ 28, 00, 00, 00, 20, 00, 00, 00, {{..}}, {{..}}, {{..}}, {{..}},
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# CHECK: {{..}}, {{..}}, {{..}}, {{..}}, 04, 00, 00, 00, 00, 00, 00, 00,
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# CHECK: 08, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, 0E, 10, 9E,
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# CHECK: 01, 9D, 02, 00, 00, 00, 00, 00 ]
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# CHECK: alignment: 4 mod 8
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# CHECK: references:
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# CHECK: - kind: negDelta32
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# CHECK: offset: 4
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# CHECK: target: L001
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# CHECK: - kind: unwindFDEToFunction
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# CHECK: offset: 8
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# CHECK: target: __Z4foo2i
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# CHECK: - kind: unwindFDEToFunction
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# CHECK: offset: 25
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# CHECK: target: _bar2
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# CHECK: - name: _bar1
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# CHECK: type: unwind-lsda
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# CHECK: content: [ 00, 00, 00, 00 ]
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# CHECK: - name: _bar2
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# CHECK: type: unwind-lsda
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# CHECK: content: [ 00, 00, 00, 00 ]
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# CHECK: - name: _someData
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# CHECK: scope: global
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# CHECK: type: data
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# CHECK: content: [ 00, 00, 00, 00 ]
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# CHECK: - name: __gxx_personality_v0
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# CHECK: scope: global
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# CHECK: content: [ 00, 00, 00, 00 ]
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# CHECK: alignment: 4
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# CHECK: - name: __gxx_personality_v1
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# CHECK: scope: global
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# CHECK: content: [ 00, 00, 00, 00 ]
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# CHECK: alignment: 4
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# CHECK: - name: __Z3fooi
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# CHECK: scope: global
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# CHECK: content: [ C0, 03, 5F, D6 ]
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# CHECK: alignment: 4
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# CHECK: - name: __Z4foo2i
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# CHECK: scope: global
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# CHECK: content: [ C0, 03, 5F, D6 ]
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# CHECK: alignment: 4
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# CHECK: - name: _main
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# CHECK: scope: global
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# CHECK: content: [ C0, 03, 5F, D6 ]
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# CHECK: alignment: 4
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# CHECK: ...
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# # Make sure we don't have any relocations in the __eh_frame section
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# CODE-NOT: RELOCATION RECORDS FOR [__eh_frame]
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# Also make sure the reloc for the CIE->personality function is the
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# correct offset
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# It should be the offset from the fixup location back to the address
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# of the function we are referencing
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# CODE: Contents of section __eh_frame:
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# This is the CIE:
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# CODE-NEXT: {{[0-9abcdef]*}} 18000000 00000000 037a504c 52000178
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# CODE-NEXT: {{[0-9abcdef]*}} 1e079bd1 ffffff10 100c1f00 28000000
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# This is the important offset for CIE->pfunc
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# ^~~~~~~~~
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# Then we have an FDE starting from 28000000 above
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# CODE-NEXT: {{[0-9abcdef]*}} 20000000 c8ffffff ffffffff 04000000
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# CODE-NEXT: {{[0-9abcdef]*}} 00000000 08c3ffff ffffffff ff0e109e
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# And a new CIE starts at this 00000018 right below here
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# CODE-NEXT: {{[0-9abcdef]*}} 019d0200 00000000 18000000 00000000
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# CODE-NEXT: {{[0-9abcdef]*}} 037a504c 52000178 1e079b8d ffffff10
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# This is the important offset for its CIE->pfunc ^~~~~~~~~ |