llvm-project

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## Tests that lld correctly resolves the custom personality referenced by objc code in an archive.
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# REQUIRES: x86
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# RUN: rm -rf %t; split-file %s %t
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# RUN: llvm-mc -filetype=obj -triple=x86_64-apple-iossimulator %t/defined.s -o %t/defined.o
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# RUN: yaml2obj %t/combined.yaml > %t/combined.o
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# RUN: llvm-ar r %t/pack.a %t/defined.o %t/combined.o
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# RUN: %no-arg-lld -dylib -arch x86_64 -platform_version ios-simulator 12.0.0 15.0 -ObjC %t/pack.a -o %t/a.dylib
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# RUN: llvm-objdump --macho --syms %t/a.dylib | FileCheck %s
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# RUN: %no-arg-lld -dylib -arch x86_64 -platform_version ios-simulator 12.0.0 15.0 -ObjC --start-lib %t/defined.o %t/combined.o --end-lib -o %t/a.dylib
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# RUN: llvm-objdump --macho --syms %t/a.dylib | FileCheck %s
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# CHECK: SYMBOL TABLE:
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# CHECK: {{.*}}  l     F __TEXT,__text _my_personality
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#--- defined.s
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.private_extern _my_personality
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.text
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.no_dead_strip _my_personality
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_my_personality:
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.cfi_startproc
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.cfi_def_cfa_offset 16
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.cfi_endproc
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nop
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.subsections_via_symbols
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## combined.yaml is produced from combined.o below:
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## lvm-mc -filetype=obj -triple=x86_64-apple-iossimulator %t/objc.s -o %t/objc.o
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## ld -r -o combined.o defined.o objc.o
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## // objc.s:
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## .section __TEXT,__text
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## .global _OBJC_CLASS_$_MyTest
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## .no_dead_strip _OBJC_CLASS_$_MyTest
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## _OBJC_CLASS_$_MyTest:
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##  .cfi_startproc
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##  .cfi_personality 155, _my_personality
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##  .cfi_def_cfa_offset 16
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##  ret
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##  .cfi_endproc
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##
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##  ret
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## .subsections_via_symbols
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#--- combined.yaml
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--- !mach-o
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FileHeader:
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  magic:           0xFEEDFACF
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  cputype:         0x1000007
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  cpusubtype:      0x3
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  filetype:        0x1
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  ncmds:           3
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  sizeofcmds:      352
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  flags:           0x2000
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  reserved:        0x0
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LoadCommands:
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  - cmd:             LC_SEGMENT_64
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    cmdsize:         312
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    segname:         ''
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    vmaddr:          0
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    vmsize:          152
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    fileoff:         416
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    filesize:        152
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    maxprot:         7
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    initprot:        7
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    nsects:          3
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    flags:           0
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    Sections:
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      - sectname:        __text
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        segname:         __TEXT
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        addr:            0x0
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        size:            3
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        offset:          0x1A0
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        align:           0
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        reloff:          0x0
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        nreloc:          0
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        flags:           0x80000400
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        reserved1:       0x0
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        reserved2:       0x0
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        reserved3:       0x0
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        content:         90C3C3
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      - sectname:        __eh_frame
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        segname:         __TEXT
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        addr:            0x8
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        size:            80
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        offset:          0x1A8
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        align:           3
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        nreloc:          5
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        flags:           0x0
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        reserved1:       0x0
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        reserved2:       0x0
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        reserved3:       0x0
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        content:         1400000000000000017A520001781001100C0708900100001800000000000000017A505200017810069B04000000100C070890011800000004000000F8FFFFFFFFFFFFFF0100000000000000000E1000
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        relocations:
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            symbolnum:       3
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            pcrel:           false
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            length:          3
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            extern:          true
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            scattered:       false
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            value:           0
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          - address:         0x3C
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            symbolnum:       4
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            pcrel:           false
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            length:          3
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            extern:          true
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            type:            0
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            scattered:       false
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            value:           0
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      - sectname:        __compact_unwind
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        segname:         __LD
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        addr:            0x58
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        size:            64
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        offset:          0x1F8
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        align:           3
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        reloff:          0x260
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        nreloc:          3
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        flags:           0x2000000
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        reserved1:       0x0
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        reserved2:       0x0
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        reserved3:       0x0
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        content:         '00000000000000000100000000000202000000000000000000000000000000000000000000000000020000000000020200000000000000000000000000000000'
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        relocations:
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            pcrel:           false
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            length:          3
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            extern:          true
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            symbolnum:       4
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            pcrel:           false
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            length:          3
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            extern:          true
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            scattered:       false
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          - address:         0x30
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            symbolnum:       0
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            pcrel:           false
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            length:          3
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            extern:          true
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            type:            0
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            scattered:       false
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            value:           0
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  - cmd:             LC_SYMTAB
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    cmdsize:         24
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    symoff:          632
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    nsyms:           5
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    stroff:          712
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    strsize:         64
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  - cmd:             LC_DATA_IN_CODE
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    cmdsize:         16
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    dataoff:         632
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    datasize:        0
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LinkEditData:
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  NameList:
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    - n_strx:          23
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      n_type:          0x1E
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      n_sect:          1
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      n_desc:          32
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      n_type:          0xF
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  StringTable:
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    - ' '
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    - '_OBJC_CLASS_$_MyTest'
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    - _my_personality
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    - EH_Frame1
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    - func.eh
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    - ''
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    - ''
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    - ''
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    - ''
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    - ''
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    - ''
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    - ''
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...
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