2018-08-04 14:47:16 -07:00
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# RUN: ld64.lld -arch x86_64 -r -print_atoms %s -o %t | FileCheck %s
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2017-08-27 14:46:59 -07:00
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#
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# Test parsing of x86_64 __eh_frame (dwarf unwind) relocations.
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--- !mach-o
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arch: x86_64
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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: 16
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address: 0x0000000000000000
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content: [ 0x55, 0x48, 0x89, 0xE5, 0xE8, 0x00, 0x00, 0x00,
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0x00, 0x5D, 0xC3, 0x48, 0x89, 0xC7, 0xE8, 0x00,
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0x00, 0x00, 0x00, 0x5D, 0xE9, 0x00, 0x00, 0x00,
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0x00, 0x0F, 0x1F, 0x80, 0x00, 0x00, 0x00, 0x00,
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0x55, 0x48, 0x89, 0xE5, 0x5D, 0xC3, 0x66, 0x2E,
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0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x55, 0x48, 0x89, 0xE5, 0xE8, 0x00, 0x00, 0x00,
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0x00, 0x5D, 0xC3, 0x48, 0x89, 0xC7, 0xE8, 0x00,
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0x00, 0x00, 0x00, 0x5D, 0xE9, 0x00, 0x00, 0x00,
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0x00 ]
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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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alignment: 4
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address: 0x000000000000004C
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content: [ 0xFF, 0x9B, 0xA2, 0x80, 0x80, 0x00, 0x03, 0x1A,
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0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
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0x0B, 0x00, 0x00, 0x00, 0x01, 0x09, 0x00, 0x00,
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0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xFF, 0x9B, 0xA2, 0x80, 0x80, 0x00, 0x03, 0x1A,
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0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
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0x0B, 0x00, 0x00, 0x00, 0x01, 0x09, 0x00, 0x00,
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0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 ]
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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: 0x0000000000000100
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content: [ 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78,
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0x10, 0x07, 0x9B, 0x04, 0x00, 0x00, 0x00, 0x10,
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0x10, 0x0C, 0x07, 0x08, 0x90, 0x01, 0x00, 0x00,
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0x2C, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00,
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0xD8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x08, 0x13, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D,
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0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x03, 0x7A, 0x52, 0x00, 0x01, 0x78, 0x10, 0x01,
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0x10, 0x0C, 0x07, 0x08, 0x90, 0x01, 0x00, 0x00,
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0x24, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00,
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0xB0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D,
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0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x2C, 0x00, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00,
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0x98, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x08, 0xCB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
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0xFF, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D,
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0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ]
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relocations:
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- offset: 0x00000013
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type: X86_64_RELOC_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: 8
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local-symbols:
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- name: GCC_except_table0
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type: N_SECT
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sect: 2
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value: 0x000000000000004C
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- name: GCC_except_table2
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type: N_SECT
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sect: 2
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value: 0x0000000000000074
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global-symbols:
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- name: _catchMyException1
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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: _catchMyException2
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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: 0x0000000000000030
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- name: _bar
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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: 0x0000000000000020
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undefined-symbols:
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- name: _foo
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type: N_UNDF
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scope: [ N_EXT ]
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value: 0x0000000000000000
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- name: ___cxa_begin_catch
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type: N_UNDF
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scope: [ N_EXT ]
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value: 0x0000000000000000
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- name: ___cxa_end_catch
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type: N_UNDF
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scope: [ N_EXT ]
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value: 0x0000000000000000
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- name: ___gxx_personality_v0
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type: N_UNDF
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scope: [ N_EXT ]
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value: 0x0000000000000000
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page-size: 0x00000000
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...
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# Check that LSDA fields are fixed up correctly, even when there are multiple
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# CIEs involved.
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#
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# (1) Check that we can relocate an LSDA at all. Requires correct interpretation
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# of augmentation data strings in CIEs and augmentation data fields of FDEs.
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#
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# CHECK: - type: unwind-cfi
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# CHECK-NOT: - type:
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# CHECK: references:
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# CHECK-NEXT: - kind: negDelta32
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# CHECK-NEXT: offset: 4
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# CHECK-NEXT: target: L002
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# CHECK-NEXT: - kind: unwindFDEToFunction
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# CHECK-NEXT: offset: 8
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# CHECK-NEXT: target: _catchMyException1
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# CHECK-NEXT: - kind: unwindFDEToFunction
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# CHECK-NEXT: offset: 25
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# CHECK-NEXT: target: GCC_except_table0
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#
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# (2) Check that we have an intervening FDE with a different CIE.
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# If the test fails here then test (3) probably isn't testing what it
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# should, and this test-case should be updated.
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#
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# CHECK: - type: unwind-cfi
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# CHECK-NOT: - type:
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# CHECK: references:
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# CHECK-NEXT: - kind: negDelta32
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# CHECK-NEXT: offset: 4
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# CHECK-NEXT: target: L001
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# CHECK-NEXT: - kind: unwindFDEToFunction
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# CHECK-NEXT: offset: 8
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# CHECK-NEXT: target: _bar
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#
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# (3) Check that we can relocate the LSDA on a second FDE that references the
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# original CIE from (1). Requires us to match this FDE up with the correct
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# CIE.
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#
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# CHECK-NEXT: - type: unwind-cfi
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# CHECK-NOT: - type:
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# CHECK: references:
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# CHECK-NEXT: - kind: negDelta32
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# CHECK-NEXT: offset: 4
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# CHECK-NEXT: target: L002
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# CHECK-NEXT: - kind: unwindFDEToFunction
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# CHECK-NEXT: offset: 8
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# CHECK-NEXT: target: _catchMyException2
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# CHECK-NEXT: - kind: unwindFDEToFunction
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# CHECK-NEXT: offset: 25
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# CHECK-NEXT: target: GCC_except_table2
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