| ## Tests that lld-macho can handle the case where personality symbols with the same name |
| ## are both from a dylib and locally defined in an object file. |
| |
| # REQUIRES: x86 |
| # RUN: rm -rf %t; split-file %s %t |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/user_2.s -o %t/user_2.o |
| # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin19.0.0 %t/user_3.s -o %t/user_3.o |
| # RUN: yaml2obj %t/combined.yaml > %t/combined.o |
| |
| ## Pre-condition: check that ___gxx_personality_v0 really is locally defined in combined.o before we proceed. |
| # RUN: llvm-nm %t/combined.o | grep '___gxx_personality_v0' | FileCheck %s --check-prefix=PRECHECK |
| # PRECHECK: {{.*}} t ___gxx_personality_v0 |
| # PRECHECK-NOT: {{.*}} U ___gxx_personality_v0 |
| # PRECHECK-NOT: {{.*}} T ___gxx_personality_v0 |
| |
| ## check that we can link with 4 personalities without crashing: |
| ## ___gxx_personality_v0 (libc++.tbd), ___gxx_personality_v0(local), _personality_1, and _personality_2 |
| # RUN: %lld -lSystem -lc++ %t/user_2.o %t/combined.o -o %t/a.out |
| ## ___gxx_personality_v0 (global), ___gxx_personality_v0(libc++.tbd), _personality_1, and _personality_2 |
| # RUN: %lld -lSystem -lc++ %t/user_3.o %t/user_2.o -o %t/b.out |
| ## ___gxx_personality_v0 (global), ___gxx_personality_v0(local), _personality_1, and _personality_2 |
| # RUN: %lld -lSystem -dylib %t/user_3.o %t/combined.o %t/user_2.o -o %t/c.out |
| |
| ## Postlink checks. |
| # RUN: llvm-nm %t/a.out | FileCheck %s --check-prefix=POSTCHECK |
| # POSTCHECK: {{.*}} U ___gxx_personality_v0 |
| # POSTCHECK: {{.*}} t ___gxx_personality_v0 |
| |
| # RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/a.out | FileCheck %s --check-prefixes=A,CHECK -D#%x,OFF=0x100000000 |
| # RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/b.out | FileCheck %s --check-prefixes=BC,CHECK -D#%x,OFF=0x100000000 |
| # RUN: llvm-objdump --macho --unwind-info --syms --indirect-symbols --bind %t/c.out | FileCheck %s --check-prefixes=BC,C,CHECK -D#%x,OFF=0 |
| |
| # A: Indirect symbols for (__DATA_CONST,__got) |
| # A-NEXT: address index name |
| # A: 0x[[#%x,GXX_PERSONALITY_LO:]] [[#]] ___gxx_personality_v0 |
| # A: 0x[[#%x,GXX_PERSONALITY_HI:]] [[#]] ___gxx_personality_v0 |
| # A: 0x[[#%x,PERSONALITY_1:]] LOCAL |
| # A: 0x[[#%x,PERSONALITY_2:]] LOCAL |
| |
| # BC: Indirect symbols for (__DATA_CONST,__got) |
| # BC-NEXT: address index name |
| # C: 0x[[#%x,GXX_PERSONALITY_HI:]] LOCAL |
| # BC: 0x[[#%x,GXX_PERSONALITY_LO:]] LOCAL |
| # BC: 0x[[#%x,PERSONALITY_1:]] LOCAL |
| # BC: 0x[[#%x,PERSONALITY_2:]] LOCAL |
| |
| # CHECK: Personality functions: (count = 3) |
| # CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#GXX_PERSONALITY_LO-OFF]] |
| # CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#PERSONALITY_1-OFF]] |
| # CHECK-DAG: personality[{{[0-9]+}}]: 0x{{0*}}[[#PERSONALITY_2-OFF]] |
| |
| # A: Bind table |
| # A-NEXT: segment section address type addend dylib symbol |
| # A-NEXT: __DATA_CONST __got 0x[[#GXX_PERSONALITY_LO-0]] pointer 0 libc++abi ___gxx_personality_v0 |
| |
| ## Error cases. |
| ## Check that dylib symbols are picked (which means without libc++, we'd get an undefined symbol error. |
| # RUN: not %lld -lSystem %t/user_2.o %t/combined.o -o /dev/null 2>&1 | FileCheck %s --check-prefix=ERRORCHECK |
| # ERRORCHECK: {{.*}} undefined symbol: ___gxx_personality_v0 |
| |
| #--- user_3.s |
| .globl _baz3 |
| .private_extern ___gxx_personality_v0 |
| |
| .text |
| _baz3: |
| .cfi_startproc |
| .cfi_personality 155, ___gxx_personality_v0 |
| .cfi_def_cfa_offset 16 |
| retq |
| .cfi_endproc |
| |
| .text |
| .no_dead_strip ___gxx_personality_v0 |
| ___gxx_personality_v0: |
| nop |
| |
| .subsections_via_symbols |
| |
| |
| #--- user_2.s |
| .globl _main, _personality_1, _personality_2 |
| |
| .text |
| |
| _bar: |
| .cfi_startproc |
| .cfi_personality 155, _personality_1 |
| .cfi_def_cfa_offset 16 |
| retq |
| .cfi_endproc |
| |
| _baz: |
| .cfi_startproc |
| .cfi_personality 155, _personality_2 |
| .cfi_def_cfa_offset 16 |
| retq |
| .cfi_endproc |
| |
| _main: |
| .cfi_startproc |
| .cfi_personality 155, ___gxx_personality_v0 |
| .cfi_def_cfa_offset 16 |
| retq |
| .cfi_endproc |
| |
| _personality_1: |
| retq |
| _personality_2: |
| retq |
| |
| ## This yaml was created from the combined.o object file described in this comment: |
| ## https://reviews.llvm.org/D107533#2935217 |
| #--- combined.yaml |
| --- !mach-o |
| FileHeader: |
| magic: 0xFEEDFACF |
| cputype: 0x1000007 |
| cpusubtype: 0x3 |
| filetype: 0x1 |
| ncmds: 4 |
| sizeofcmds: 384 |
| flags: 0x2000 |
| reserved: 0x0 |
| LoadCommands: |
| - cmd: LC_SEGMENT_64 |
| cmdsize: 312 |
| segname: '' |
| vmaddr: 0 |
| vmsize: 152 |
| fileoff: 448 |
| filesize: 152 |
| maxprot: 7 |
| initprot: 7 |
| nsects: 3 |
| flags: 0 |
| Sections: |
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| segname: __TEXT |
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| content: 90909090C3 |
| - sectname: __eh_frame |
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| relocations: |
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| pcrel: true |
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| - address: 0x38 |
| symbolnum: 2 |
| pcrel: false |
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| scattered: false |
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| pcrel: false |
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| pcrel: false |
| length: 3 |
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| value: 0 |
| - sectname: __compact_unwind |
| segname: __LD |
| addr: 0x58 |
| size: 64 |
| offset: 0x218 |
| align: 3 |
| reloff: 0x280 |
| nreloc: 3 |
| flags: 0x2000000 |
| reserved1: 0x0 |
| reserved2: 0x0 |
| reserved3: 0x0 |
| content: '00000000000000000100000000000202000000000000000000000000000000000000000000000000010000000000020200000000000000000000000000000000' |
| relocations: |
| - address: 0x0 |
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| - address: 0x30 |
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| length: 3 |
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| value: 0 |
| - cmd: LC_SYMTAB |
| cmdsize: 24 |
| symoff: 664 |
| nsyms: 5 |
| stroff: 744 |
| strsize: 48 |
| - cmd: LC_BUILD_VERSION |
| cmdsize: 32 |
| platform: 1 |
| minos: 659200 |
| sdk: 720896 |
| ntools: 1 |
| Tools: |
| - tool: 3 |
| version: 39913472 |
| - cmd: LC_DATA_IN_CODE |
| cmdsize: 16 |
| dataoff: 664 |
| datasize: 0 |
| LinkEditData: |
| NameList: |
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| StringTable: |
| - ' ' |
| - _foo |
| - ___gxx_personality_v0 |
| - EH_Frame1 |
| - func.eh |
| - '' |
| ... |
