| # RUN: ld64.lld -arch arm64 -r -print_atoms %s -o %t | FileCheck %s |
| # RUN: ld64.lld -arch arm64 -r -print_atoms %t -o %t2 | FileCheck %s |
| # RUN: llvm-objdump -r -s -section="__eh_frame" -macho %t | FileCheck -check-prefix=CODE %s |
| # RUN: llvm-objdump -r -s -section="__eh_frame" -macho %t2 | FileCheck -check-prefix=CODE %s |
| |
| |
| --- !mach-o |
| arch: arm64 |
| 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: 4 |
| address: 0x0000000000000000 |
| content: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0xC0, 0x03, 0x5F, 0xD6, 0xC0, 0x03, 0x5F, 0xD6, |
| 0xC0, 0x03, 0x5F, 0xD6 ] |
| - segment: __TEXT |
| section: __gcc_except_tab |
| type: S_REGULAR |
| attributes: [ ] |
| address: 0x0000000000000014 |
| content: [ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ] |
| - segment: __DATA |
| section: __data |
| type: S_REGULAR |
| attributes: [ ] |
| address: 0x000000000000001C |
| content: [ 0x00, 0x00, 0x00, 0x00 ] |
| - segment: __LD |
| section: __compact_unwind |
| type: S_REGULAR |
| attributes: [ ] |
| alignment: 8 |
| address: 0x0000000000000020 |
| content: [ 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x0C, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x04, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 ] |
| relocations: |
| - offset: 0x00000020 |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: false |
| symbol: 1 |
| - offset: 0x00000000 |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: false |
| symbol: 1 |
| - segment: __TEXT |
| section: __eh_frame |
| type: S_COALESCED |
| attributes: [ ] |
| alignment: 8 |
| address: 0x0000000000000060 |
| content: [ 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78, |
| 0x1E, 0x07, 0x9B, 0xED, 0xFF, 0xFF, 0xFF, 0x10, |
| 0x10, 0x0C, 0x1F, 0x00, 0x28, 0x00, 0x00, 0x00, |
| 0x20, 0x00, 0x00, 0x00, 0xDC, 0xFF, 0xFF, 0xFF, |
| 0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x08, 0xCB, 0xFF, 0xFF, |
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0E, 0x10, 0x9E, |
| 0x01, 0x9D, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x03, 0x7A, 0x50, 0x4C, 0x52, 0x00, 0x01, 0x78, |
| 0x1E, 0x07, 0x9B, 0xA9, 0xFF, 0xFF, 0xFF, 0x10, |
| 0x10, 0x0C, 0x1F, 0x00, 0x28, 0x00, 0x00, 0x00, |
| 0x20, 0x00, 0x00, 0x00, 0x94, 0xFF, 0xFF, 0xFF, |
| 0xFF, 0xFF, 0xFF, 0xFF, 0x04, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x08, 0x83, 0xFF, 0xFF, |
| 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0E, 0x10, 0x9E, |
| 0x01, 0x9D, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00 ] |
| relocations: |
| - offset: 0x0000007D |
| type: ARM64_RELOC_SUBTRACTOR |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 6 |
| - offset: 0x0000007D |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 3 |
| - offset: 0x0000006C |
| type: ARM64_RELOC_SUBTRACTOR |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 6 |
| - offset: 0x0000006C |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 8 |
| - offset: 0x0000005B |
| type: ARM64_RELOC_POINTER_TO_GOT |
| length: 2 |
| pc-rel: true |
| extern: true |
| symbol: 10 |
| - offset: 0x00000035 |
| type: ARM64_RELOC_SUBTRACTOR |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 6 |
| - offset: 0x00000035 |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 2 |
| - offset: 0x00000024 |
| type: ARM64_RELOC_SUBTRACTOR |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 6 |
| - offset: 0x00000024 |
| type: ARM64_RELOC_UNSIGNED |
| length: 3 |
| pc-rel: false |
| extern: true |
| symbol: 7 |
| - offset: 0x00000013 |
| type: ARM64_RELOC_POINTER_TO_GOT |
| length: 2 |
| pc-rel: true |
| extern: true |
| symbol: 9 |
| local-symbols: |
| - name: ltmp0 |
| type: N_SECT |
| sect: 1 |
| value: 0x0000000000000000 |
| - name: ltmp1 |
| type: N_SECT |
| sect: 2 |
| value: 0x0000000000000014 |
| - name: _bar1 |
| type: N_SECT |
| sect: 2 |
| value: 0x0000000000000014 |
| - name: _bar2 |
| type: N_SECT |
| sect: 2 |
| value: 0x0000000000000018 |
| - name: ltmp12 |
| type: N_SECT |
| sect: 3 |
| value: 0x000000000000001C |
| - name: ltmp13 |
| type: N_SECT |
| sect: 4 |
| value: 0x0000000000000020 |
| - name: ltmp16 |
| type: N_SECT |
| sect: 5 |
| value: 0x0000000000000060 |
| global-symbols: |
| - name: __Z3fooi |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000008 |
| - name: __Z4foo2i |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x000000000000000C |
| - name: __gxx_personality_v0 |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000000 |
| - name: __gxx_personality_v1 |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000004 |
| - name: _main |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 1 |
| value: 0x0000000000000010 |
| - name: _someData |
| type: N_SECT |
| scope: [ N_EXT ] |
| sect: 3 |
| value: 0x000000000000001C |
| page-size: 0x00000000 |
| ... |
| |
| # CHECK: --- !native |
| # CHECK: path: '<linker-internal>' |
| # CHECK: defined-atoms: |
| # CHECK: - ref-name: L000 |
| # CHECK: type: unwind-cfi |
| # CHECK: content: [ 18, 00, 00, 00, 00, 00, 00, 00, 03, 7A, 50, 4C, |
| # CHECK: 52, 00, 01, 78, 1E, 07, 9B, {{..}}, {{..}}, {{..}}, {{..}}, 10, |
| # CHECK: 10, 0C, 1F, 00 ] |
| # CHECK: alignment: 8 |
| # CHECK: references: |
| # CHECK: - kind: unwindCIEToPersonalityFunction |
| # CHECK: offset: 19 |
| # CHECK: target: __gxx_personality_v0 |
| # CHECK: - type: unwind-cfi |
| # CHECK: content: [ 28, 00, 00, 00, 20, 00, 00, 00, {{..}}, {{..}}, {{..}}, {{..}}, |
| # CHECK: {{..}}, {{..}}, {{..}}, {{..}}, 04, 00, 00, 00, 00, 00, 00, 00, |
| # CHECK: 08, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, 0E, 10, 9E, |
| # CHECK: 01, 9D, 02, 00, 00, 00, 00, 00 ] |
| # CHECK: alignment: 4 mod 8 |
| # CHECK: references: |
| # CHECK: - kind: negDelta32 |
| # CHECK: offset: 4 |
| # CHECK: target: L000 |
| # CHECK: - kind: unwindFDEToFunction |
| # CHECK: offset: 8 |
| # CHECK: target: __Z3fooi |
| # CHECK: - kind: unwindFDEToFunction |
| # CHECK: offset: 25 |
| # CHECK: target: _bar1 |
| # CHECK: - ref-name: L001 |
| # CHECK: type: unwind-cfi |
| # CHECK: content: [ 18, 00, 00, 00, 00, 00, 00, 00, 03, 7A, 50, 4C, |
| # CHECK: 52, 00, 01, 78, 1E, 07, 9B, {{..}}, {{..}}, {{..}}, {{..}}, 10, |
| # CHECK: 10, 0C, 1F, 00 ] |
| # CHECK: alignment: 8 |
| # CHECK: references: |
| # CHECK: - kind: unwindCIEToPersonalityFunction |
| # CHECK: offset: 19 |
| # CHECK: target: __gxx_personality_v1 |
| # CHECK: - type: unwind-cfi |
| # CHECK: content: [ 28, 00, 00, 00, 20, 00, 00, 00, {{..}}, {{..}}, {{..}}, {{..}}, |
| # CHECK: {{..}}, {{..}}, {{..}}, {{..}}, 04, 00, 00, 00, 00, 00, 00, 00, |
| # CHECK: 08, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, {{..}}, 0E, 10, 9E, |
| # CHECK: 01, 9D, 02, 00, 00, 00, 00, 00 ] |
| # CHECK: alignment: 4 mod 8 |
| # CHECK: references: |
| # CHECK: - kind: negDelta32 |
| # CHECK: offset: 4 |
| # CHECK: target: L001 |
| # CHECK: - kind: unwindFDEToFunction |
| # CHECK: offset: 8 |
| # CHECK: target: __Z4foo2i |
| # CHECK: - kind: unwindFDEToFunction |
| # CHECK: offset: 25 |
| # CHECK: target: _bar2 |
| # CHECK: - name: _bar1 |
| # CHECK: type: unwind-lsda |
| # CHECK: content: [ 00, 00, 00, 00 ] |
| # CHECK: - name: _bar2 |
| # CHECK: type: unwind-lsda |
| # CHECK: content: [ 00, 00, 00, 00 ] |
| # CHECK: - name: _someData |
| # CHECK: scope: global |
| # CHECK: type: data |
| # CHECK: content: [ 00, 00, 00, 00 ] |
| # CHECK: - name: __gxx_personality_v0 |
| # CHECK: scope: global |
| # CHECK: content: [ 00, 00, 00, 00 ] |
| # CHECK: alignment: 4 |
| # CHECK: - name: __gxx_personality_v1 |
| # CHECK: scope: global |
| # CHECK: content: [ 00, 00, 00, 00 ] |
| # CHECK: alignment: 4 |
| # CHECK: - name: __Z3fooi |
| # CHECK: scope: global |
| # CHECK: content: [ C0, 03, 5F, D6 ] |
| # CHECK: alignment: 4 |
| # CHECK: - name: __Z4foo2i |
| # CHECK: scope: global |
| # CHECK: content: [ C0, 03, 5F, D6 ] |
| # CHECK: alignment: 4 |
| # CHECK: - name: _main |
| # CHECK: scope: global |
| # CHECK: content: [ C0, 03, 5F, D6 ] |
| # CHECK: alignment: 4 |
| # CHECK: ... |
| |
| # # Make sure we don't have any relocations in the __eh_frame section |
| # CODE-NOT: RELOCATION RECORDS FOR [__eh_frame] |
| |
| # Also make sure the reloc for the CIE->personality function is the |
| # correct offset |
| # It should be the offset from the fixup location back to the address |
| # of the function we are referencing |
| # CODE: Contents of section __eh_frame: |
| # This is the CIE: |
| # CODE-NEXT: {{[0-9abcdef]*}} 18000000 00000000 037a504c 52000178 |
| # CODE-NEXT: {{[0-9abcdef]*}} 1e079bd1 ffffff10 100c1f00 28000000 |
| # This is the important offset for CIE->pfunc |
| # ^~~~~~~~~ |
| # Then we have an FDE starting from 28000000 above |
| # CODE-NEXT: {{[0-9abcdef]*}} 20000000 c8ffffff ffffffff 04000000 |
| # CODE-NEXT: {{[0-9abcdef]*}} 00000000 08c3ffff ffffffff ff0e109e |
| # And a new CIE starts at this 00000018 right below here |
| # CODE-NEXT: {{[0-9abcdef]*}} 019d0200 00000000 18000000 00000000 |
| # CODE-NEXT: {{[0-9abcdef]*}} 037a504c 52000178 1e079b8d ffffff10 |
| # This is the important offset for its CIE->pfunc ^~~~~~~~~ |
