lld/test/MachO/objc.s

   1 # REQUIRES: x86, arm
   2 # RUN: rm -rf %t; split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-objc-symbol.s -o %t/has-objc-symbol.o
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-objc-category.s -o %t/has-objc-category.o
   6 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-objc-symbol-and-category.s -o %t/has-objc-symbol-and-category.o
   7 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-swift.s -o %t/has-swift.o
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-swift-proto.s -o %t/has-swift-proto.o
   9 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/no-objc.s -o %t/no-objc.o
  10 ## Make sure we don't mis-parse a 32-bit file as 64-bit
  11 # RUN: llvm-mc -filetype=obj -triple=armv7-apple-watchos %t/no-objc.s -o %t/wrong-arch.o
  12 # RUN: llvm-ar rcs %t/libHasSomeObjC.a %t/no-objc.o %t/has-objc-symbol.o %t/has-objc-category.o %t/has-swift.o %t/has-swift-proto.o %t/wrong-arch.o
  13 # RUN: llvm-ar rcs %t/libHasSomeObjC2.a %t/no-objc.o %t/has-objc-symbol-and-category.o %t/has-swift.o %t/has-swift-proto.o %t/wrong-arch.o
  14
  15 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
  16
  17 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC -ObjC
  18 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  19
  20 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC2 -ObjC
  21 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  22
  23 # RUN: %no-fatal-warnings-lld -lSystem %t/test.o -o %t/test --start-lib %t/no-objc.o %t/has-objc-symbol.o %t/has-objc-category.o %t/has-swift.o %t/has-swift-proto.o %t/wrong-arch.o --end-lib -ObjC 2>&1 \
  24 # RUN:     | FileCheck -check-prefix=WARNING %s
  25 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  26
  27 # WARNING: {{.+}}wrong-arch.o has architecture armv7 which is incompatible with target architecture x86_64
  28 # WARNING-NOT: {{.}}
  29
  30 # OBJC:       Sections:
  31 # OBJC-NEXT:  Idx Name            Size   VMA  Type
  32 # OBJC-NEXT:    0 __text          {{.*}}      TEXT
  33 # OBJC-NEXT:    1 __swift         {{.*}}      DATA
  34 # OBJC-NEXT:    2 __swift5_fieldmd{{.*}}      DATA
  35 # OBJC-NEXT:    3 __objc_catlist  {{.*}}      DATA
  36 # OBJC-NEXT:    4 has_objc_symbol {{.*}}      DATA
  37 # OBJC-EMPTY:
  38 # OBJC-NEXT:  SYMBOL TABLE:
  39 # OBJC-DAG:   g     F __TEXT,__text _main
  40 # OBJC-DAG:   g     F __TEXT,__text _OBJC_CLASS_$_MyObject
  41 # OBJC-DAG:   g     O __TEXT,__swift5_fieldmd $s7somelib4Blah_pMF
  42
  43 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC
  44 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=NO-OBJC
  45
  46 # NO-OBJC:       Sections:
  47 # NO-OBJC-NEXT:  Idx Name           Size   VMA  Type
  48 # NO-OBJC-NEXT:    0 __text         {{.*}}      TEXT
  49 # NO-OBJC-EMPTY:
  50 # NO-OBJC-NEXT:  SYMBOL TABLE:
  51 # NO-OBJC-NEXT:  g     F __TEXT,__text _main
  52 # NO-OBJC-NEXT:  g     F __TEXT,__text __mh_execute_header
  53 # NO-OBJC-NEXT:          *UND* dyld_stub_binder
  54 # NO-OBJC-EMPTY:
  55
  56 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/refs-dup.s -o %t/refs-dup.o
  57 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/refs-objc.s -o %t/refs-objc.o
  58
  59 ## Check that -ObjC causes has-objc-symbol.o to be loaded first, prior to symbol
  60 ## resolution. This matches ld64's behavior.
  61 # RUN: %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup -L%t -lHasSomeObjC -ObjC
  62 # RUN: llvm-objdump --macho --syms %t/refs-dup | FileCheck %s --check-prefix=DUP-FROM-OBJC
  63 # DUP-FROM-OBJC: g     O __DATA,has_objc_symbol _has_dup
  64
  65 ## Without -ObjC, no-objc.o gets loaded first during symbol resolution, causing
  66 ## a duplicate symbol error.
  67 # RUN: not %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup -L%t \
  68 # RUN:   -lHasSomeObjC 2>&1 | FileCheck %s --check-prefix=DUP-ERROR
  69 # DUP-ERROR: error: duplicate symbol: _has_dup
  70
  71 ## TODO: Load has-objc-symbol.o prior to symbol resolution to match the archive behavior.
  72 # RUN: not %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup --start-lib %t/no-objc.o \
  73 # RUN:   %t/has-objc-symbol.o %t/has-objc-category.o %t/has-swift.o %t/wrong-arch.o --end-lib \
  74 # RUN:   -ObjC 2>&1 | FileCheck %s --check-prefix=DUP-ERROR
  75
  76 #--- has-objc-symbol.s
  77 .globl _OBJC_CLASS_$_MyObject, _has_dup
  78 _OBJC_CLASS_$_MyObject:
  79
  80 .section __DATA,has_objc_symbol
  81 _has_dup:
  82
  83 #--- has-objc-category.s
  84 .section __DATA,__objc_catlist
  85 .quad 0x1234
  86
  87 #--- has-objc-symbol-and-category.s
  88 ## Make sure we load this archive member exactly once (i.e. no duplicate symbol
  89 ## error).
  90 .globl _OBJC_CLASS_$_MyObject, _has_dup
  91 _OBJC_CLASS_$_MyObject:
  92
  93 .section __DATA,has_objc_symbol
  94 _has_dup:
  95
  96 .section __DATA,__objc_catlist
  97 .quad 0x1234
  98
  99 #--- has-swift.s
 100 .section __TEXT,__swift
 101 .quad 0x1234
 102
 103 #--- has-swift-proto.s
 104 .section __TEXT,__swift5_fieldmd
 105 .globl $s7somelib4Blah_pMF
 106 $s7somelib4Blah_pMF:
 107
 108 #--- no-objc.s
 109 ## This archive member should not be pulled in by -ObjC since it does not
 110 ## contain any ObjC-related data.
 111 .globl _has_dup
 112 .section __DATA,foo
 113 .section __DATA,bar
 114 .section __DATA,no_objc
 115 _has_dup:
 116
 117 #--- test.s
 118 .globl _main
 119 _main:
 120   ret
 121
 122 #--- refs-dup.s
 123 .data
 124 .quad _has_dup
 125
 126 #--- refs-objc.s
 127 .data
 128 .quad _OBJC_CLASS_$_MyObject