# RUN: lld -flavor darwin -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