| # RUN: ld64.lld -arch x86_64 -r -print_atoms %s -o %t | FileCheck %s |
| # |
| # Test parsing of x86_64 __eh_frame (dwarf unwind) relocations. |
| |
| --- !mach-o |
| arch: x86_64 |
| file-type: MH_OBJECT |
| flags: [ MH_SUBSECTIONS_VIA_SYMBOLS ] |
| compat-version: 0.0 |
| current-version: 0.0 |
| has-UUID: false |
| OS: unknown |
| sections: |
| - segment: __TEXT |
| section: __text |
| type: S_REGULAR |
| attributes: [ S_ATTR_PURE_INSTRUCTIONS, S_ATTR_SOME_INSTRUCTIONS ] |
| alignment: 16 |
| address: 0x0000000000000000 |
| content: [ 0x55, 0x48, 0x89, 0xE5, 0xE8, 0x00, 0x00, 0x00, |
| 0x00, 0x5D, 0xC3, 0x48, 0x89, 0xC7, 0xE8, 0x00, |
| 0x00, 0x00, 0x00, 0x5D, 0xE9, 0x00, 0x00, 0x00, |
| 0x00, 0x0F, 0x1F, 0x80, 0x00, 0x00, 0x00, 0x00, |
| 0x55, 0x48, 0x89, 0xE5, 0x5D, 0xC3, 0x66, 0x2E, |
| 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x55, 0x48, 0x89, 0xE5, 0xE8, 0x00, 0x00, 0x00, |
| 0x00, 0x5D, 0xC3, 0x48, 0x89, 0xC7, 0xE8, 0x00, |
| 0x00, 0x00, 0x00, 0x5D, 0xE9, 0x00, 0x00, 0x00, |
| 0x00 ] |
| - segment: __TEXT |
| section: __gcc_except_tab |
| type: S_REGULAR |
| attributes: [ ] |
| alignment: 4 |
| address: 0x000000000000004C |
| content: [ 0xFF, 0x9B, 0xA2, 0x80, 0x80, 0x00, 0x03, 0x1A, |
| 0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, |
| 0x0B, 0x00, 0x00, 0x00, 0x01, 0x09, 0x00, 0x00, |
| 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xFF, 0x9B, 0xA2, 0x80, 0x80, 0x00, 0x03, 0x1A, |
| 0x04, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, |
| 0x0B, 0x00, 0x00, 0x00, 0x01, 0x09, 0x00, 0x00, |
| 0x00, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00 ] |
| - segment: __TEXT |
| section: __eh_frame |
| type: S_COALESCED |
| attributes: [ ] |
| alignment: 8 |
| address: 0x0000000000000100 |
| content: [ 0x1C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78, |
| 0x10, 0x07, 0x9B, 0x04, 0x00, 0x00, 0x00, 0x10, |
| 0x10, 0x0C, 0x07, 0x08, 0x90, 0x01, 0x00, 0x00, |
| 0x2C, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00, |
| 0xD8, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x08, 0x13, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0xFF, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D, |
| 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x03, 0x7A, 0x52, 0x00, 0x01, 0x78, 0x10, 0x01, |
| 0x10, 0x0C, 0x07, 0x08, 0x90, 0x01, 0x00, 0x00, |
| 0x24, 0x00, 0x00, 0x00, 0x1C, 0x00, 0x00, 0x00, |
| 0xB0, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D, |
| 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x2C, 0x00, 0x00, 0x00, 0x94, 0x00, 0x00, 0x00, |
| 0x98, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x08, 0xCB, 0xFE, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, |
| 0xFF, 0x41, 0x0E, 0x10, 0x86, 0x02, 0x43, 0x0D, |
| 0x06, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ] |
| relocations: |
| - offset: 0x00000013 |
| type: X86_64_RELOC_GOT |
| length: 2 |
| pc-rel: true |
| extern: true |
| symbol: 8 |
| local-symbols: |
| - name: GCC_except_table0 |
| type: N_SECT |
| sect: 2 |
| value: 0x000000000000004C |
| - name: GCC_except_table2 |
| type: N_SECT |
| sect: 2 |
| value: 0x0000000000000074 |
| global-symbols: |
| - name: _catchMyException1 |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000000 |
| - name: _catchMyException2 |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000030 |
| - name: _bar |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000020 |
| undefined-symbols: |
| - name: _foo |
| type: N_UNDF |
| scope: [ N_EXT ] |
| value: 0x0000000000000000 |
| - name: ___cxa_begin_catch |
| type: N_UNDF |
| scope: [ N_EXT ] |
| value: 0x0000000000000000 |
| - name: ___cxa_end_catch |
| type: N_UNDF |
| scope: [ N_EXT ] |
| value: 0x0000000000000000 |
| - name: ___gxx_personality_v0 |
| type: N_UNDF |
| scope: [ N_EXT ] |
| value: 0x0000000000000000 |
| page-size: 0x00000000 |
| ... |
| |
| # Check that LSDA fields are fixed up correctly, even when there are multiple |
| # CIEs involved. |
| # |
| # (1) Check that we can relocate an LSDA at all. Requires correct interpretation |
| # of augmentation data strings in CIEs and augmentation data fields of FDEs. |
| # |
| # CHECK: - type: unwind-cfi |
| # CHECK-NOT: - type: |
| # CHECK: references: |
| # CHECK-NEXT: - kind: negDelta32 |
| # CHECK-NEXT: offset: 4 |
| # CHECK-NEXT: target: L002 |
| # CHECK-NEXT: - kind: unwindFDEToFunction |
| # CHECK-NEXT: offset: 8 |
| # CHECK-NEXT: target: _catchMyException1 |
| # CHECK-NEXT: - kind: unwindFDEToFunction |
| # CHECK-NEXT: offset: 25 |
| # CHECK-NEXT: target: GCC_except_table0 |
| # |
| # (2) Check that we have an intervening FDE with a different CIE. |
| # If the test fails here then test (3) probably isn't testing what it |
| # should, and this test-case should be updated. |
| # |
| # CHECK: - type: unwind-cfi |
| # CHECK-NOT: - type: |
| # CHECK: references: |
| # CHECK-NEXT: - kind: negDelta32 |
| # CHECK-NEXT: offset: 4 |
| # CHECK-NEXT: target: L001 |
| # CHECK-NEXT: - kind: unwindFDEToFunction |
| # CHECK-NEXT: offset: 8 |
| # CHECK-NEXT: target: _bar |
| # |
| # (3) Check that we can relocate the LSDA on a second FDE that references the |
| # original CIE from (1). Requires us to match this FDE up with the correct |
| # CIE. |
| # |
| # CHECK-NEXT: - type: unwind-cfi |
| # CHECK-NOT: - type: |
| # CHECK: references: |
| # CHECK-NEXT: - kind: negDelta32 |
| # CHECK-NEXT: offset: 4 |
| # CHECK-NEXT: target: L002 |
| # CHECK-NEXT: - kind: unwindFDEToFunction |
| # CHECK-NEXT: offset: 8 |
| # CHECK-NEXT: target: _catchMyException2 |
| # CHECK-NEXT: - kind: unwindFDEToFunction |
| # CHECK-NEXT: offset: 25 |
| # CHECK-NEXT: target: GCC_except_table2 |
