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-as %t/has-swift-ir-loaded.ll -o %t/has-swift-ir-loaded.o
   9 # RUN: llvm-as %t/has-swift-ir-not-loaded.ll -o %t/has-swift-ir-not-loaded.o
  10 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/has-swift-proto.s -o %t/has-swift-proto.o
  11 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/no-objc.s -o %t/no-objc.o
  12 ## Make sure we don't mis-parse a 32-bit file as 64-bit
  13 # RUN: llvm-mc -filetype=obj -triple=armv7-apple-watchos %t/no-objc.s -o %t/wrong-arch.o
  14 # 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/has-swift-ir-loaded.o %t/has-swift-ir-not-loaded.o %t/wrong-arch.o
  15 # 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/has-swift-ir-loaded.o %t/has-swift-ir-not-loaded.o %t/wrong-arch.o
  16
  17 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
  18
  19 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC -ObjC
  20 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  21
  22 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC2 -ObjC
  23 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  24
  25 # 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/has-swift-ir-loaded.o %t/has-swift-ir-not-loaded.o %t/wrong-arch.o --end-lib -ObjC 2>&1 \
  26 # RUN:     | FileCheck -check-prefix=WARNING %s
  27 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=OBJC
  28
  29 # WARNING: {{.+}}wrong-arch.o has architecture armv7 which is incompatible with target architecture x86_64
  30 # WARNING-NOT: {{.}}
  31
  32 # OBJC:       Sections:
  33 # OBJC-NEXT:  Idx Name            Size   VMA  Type
  34 # OBJC-NEXT:    0 __text          {{.*}}      TEXT
  35 # OBJC-NEXT:    1 __swift         {{.*}}      DATA
  36 # OBJC-NEXT:    2 __swift5_fieldmd{{.*}}      DATA
  37 # OBJC-NEXT:    3 __objc_catlist  {{.*}}      DATA
  38 # OBJC-NEXT:    4 has_objc_symbol {{.*}}      DATA
  39 # OBJC-EMPTY:
  40 # OBJC-NEXT:  SYMBOL TABLE:
  41 # OBJC-DAG:   g     O __TEXT,__swift _foo
  42 # OBJC-DAG:   g     F __TEXT,__text _main
  43 # OBJC-DAG:   g     F __TEXT,__text _OBJC_CLASS_$_MyObject
  44 # OBJC-DAG:   g     O __TEXT,__swift5_fieldmd $s7somelib4Blah_pMF
  45
  46 # RUN: %lld -lSystem %t/test.o -o %t/test -L%t -lHasSomeObjC
  47 # RUN: llvm-objdump --section-headers --syms %t/test | FileCheck %s --check-prefix=NO-OBJC
  48
  49 # NO-OBJC:       Sections:
  50 # NO-OBJC-NEXT:  Idx Name           Size   VMA  Type
  51 # NO-OBJC-NEXT:    0 __text         {{.*}}      TEXT
  52 # NO-OBJC-EMPTY:
  53 # NO-OBJC-NEXT:  SYMBOL TABLE:
  54 # NO-OBJC-NEXT:  g     F __TEXT,__text _main
  55 # NO-OBJC-NEXT:  g     F __TEXT,__text __mh_execute_header
  56 # NO-OBJC-NEXT:          *UND* dyld_stub_binder
  57 # NO-OBJC-EMPTY:
  58
  59 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/refs-dup.s -o %t/refs-dup.o
  60 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/refs-objc.s -o %t/refs-objc.o
  61
  62 ## Check that -ObjC causes has-objc-symbol.o to be loaded first, prior to symbol
  63 ## resolution. This matches ld64's behavior.
  64 # RUN: %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup -L%t -lHasSomeObjC -ObjC
  65 # RUN: llvm-objdump --macho --syms %t/refs-dup | FileCheck %s --check-prefix=DUP-FROM-OBJC
  66 # DUP-FROM-OBJC: g     O __DATA,has_objc_symbol _has_dup
  67
  68 ## Without -ObjC, no-objc.o gets loaded first during symbol resolution, causing
  69 ## a duplicate symbol error.
  70 # RUN: not %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup -L%t \
  71 # RUN:   -lHasSomeObjC 2>&1 | FileCheck %s --check-prefix=DUP-ERROR
  72 # DUP-ERROR: error: duplicate symbol: _has_dup
  73
  74 ## TODO: Load has-objc-symbol.o prior to symbol resolution to match the archive behavior.
  75 # RUN: not %lld -dylib %t/refs-dup.o %t/refs-objc.o -o %t/refs-dup --start-lib %t/no-objc.o \
  76 # RUN:   %t/has-objc-symbol.o %t/has-objc-category.o %t/has-swift.o %t/wrong-arch.o --end-lib \
  77 # RUN:   -ObjC 2>&1 | FileCheck %s --check-prefix=DUP-ERROR
  78
  79 #--- has-objc-symbol.s
  80 .globl _OBJC_CLASS_$_MyObject, _has_dup
  81 _OBJC_CLASS_$_MyObject:
  82
  83 .section __DATA,has_objc_symbol
  84 _has_dup:
  85
  86 #--- has-objc-category.s
  87 .section __DATA,__objc_catlist
  88 .quad 0x1234
  89
  90 #--- has-objc-symbol-and-category.s
  91 ## Make sure we load this archive member exactly once (i.e. no duplicate symbol
  92 ## error).
  93 .globl _OBJC_CLASS_$_MyObject, _has_dup
  94 _OBJC_CLASS_$_MyObject:
  95
  96 .section __DATA,has_objc_symbol
  97 _has_dup:
  98
  99 .section __DATA,__objc_catlist
 100 .quad 0x1234
 101
 102 #--- has-swift.s
 103 .section __TEXT,__swift
 104 .quad 0x1234
 105
 106 #--- has-swift-ir-loaded.ll
 107 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
 108 target triple = "x86_64-apple-darwin"
 109
 110 @foo = global i64 1234, section "__TEXT,__swift"
 111 @llvm.used = appending global [1 x ptr] [ptr @foo]
 112
 113 #--- has-swift-ir-not-loaded.ll
 114 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
 115 target triple = "x86_64-apple-darwin"
 116
 117 @bar = global i64 1234
 118 @llvm.used = appending global [1 x ptr] [ptr @bar]
 119
 120 #--- has-swift-proto.s
 121 .section __TEXT,__swift5_fieldmd
 122 .globl $s7somelib4Blah_pMF
 123 $s7somelib4Blah_pMF:
 124
 125 #--- no-objc.s
 126 ## This archive member should not be pulled in by -ObjC since it does not
 127 ## contain any ObjC-related data.
 128 .globl _has_dup
 129 .section __DATA,foo
 130 .section __DATA,bar
 131 .section __DATA,no_objc
 132 _has_dup:
 133
 134 #--- test.s
 135 .globl _main
 136 _main:
 137   ret
 138
 139 #--- refs-dup.s
 140 .data
 141 .quad _has_dup
 142
 143 #--- refs-objc.s
 144 .data
 145 .quad _OBJC_CLASS_$_MyObject