lld/test/MachO/literal-dedup.s

   1 # REQUIRES: x86
   2 # RUN: rm -rf %t; split-file %s %t
   3 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/test.s -o %t/test.o
   4 # RUN: llvm-mc -filetype=obj -triple=x86_64-apple-darwin %t/qux.s -o %t/qux.o
   5 # RUN: %lld -dylib %t/test.o %t/qux.o -o %t/test
   6 # RUN: llvm-objdump --macho --section="__TEXT,__literals" --section="__DATA,ptrs" --syms %t/test | FileCheck %s
   7 # RUN: llvm-readobj --section-headers %t/test | FileCheck %s --check-prefix=HEADER
   8
   9 # RUN: %lld -dylib -no_deduplicate %t/test.o %t/qux.o -o %t/test
  10 # RUN: llvm-objdump --macho --section="__TEXT,__literals" --section="__DATA,ptrs" --syms %t/test | FileCheck %s
  11 # RUN: llvm-readobj --section-headers %t/test | FileCheck %s --check-prefix=HEADER
  12
  13 # CHECK:      Contents of (__TEXT,__literals) section
  14 # CHECK-NEXT: [[#%.16x,DEADBEEF16:]] ef be ad de ef be ad de ef be ad de ef be ad de
  15 # CHECK-NEXT: [[#%.16x,FEEDFACE16:]] ce fa ed fe ce fa ed fe ce fa ed fe ce fa ed fe
  16 # CHECK-NEXT: [[#%.16x,DEADBEEF8:]]  ef be ad de ef be ad de ce fa ed fe ce fa ed fe
  17 # CHECK-NEXT: [[#%.16x,DEADBEEF4:]]  ef be ad de ce fa ed fe
  18 # CHECK-NEXT: Contents of (__DATA,ptrs) section
  19 # CHECK-NEXT: 0000000000001000  0x[[#%x,DEADBEEF16]]
  20 # CHECK-NEXT: 0000000000001008  0x[[#%x,DEADBEEF16]]
  21 # CHECK-NEXT: 0000000000001010  0x[[#%x,FEEDFACE16]]
  22 # CHECK-NEXT: 0000000000001018  0x[[#%x,DEADBEEF16]]
  23 # CHECK-NEXT: 0000000000001020  0x[[#%x,DEADBEEF8]]
  24 # CHECK-NEXT: 0000000000001028  0x[[#%x,DEADBEEF8]]
  25 # CHECK-NEXT: 0000000000001030  0x[[#%x,DEADBEEF8 + 8]]
  26 # CHECK-NEXT: 0000000000001038  0x[[#%x,DEADBEEF8]]
  27 # CHECK-NEXT: 0000000000001040  0x[[#%x,DEADBEEF4]]
  28 # CHECK-NEXT: 0000000000001048  0x[[#%x,DEADBEEF4]]
  29 # CHECK-NEXT: 0000000000001050  0x[[#%x,DEADBEEF4 + 4]]
  30 # CHECK-NEXT: 0000000000001058  0x[[#%x,DEADBEEF4]]
  31
  32 ## Make sure the symbol addresses are correct too.
  33 # CHECK:     SYMBOL TABLE:
  34 # CHECK-DAG: [[#DEADBEEF16]] g     O __TEXT,__literals _qux16
  35 # CHECK-DAG: [[#DEADBEEF8]]  g     O __TEXT,__literals _qux8
  36 # CHECK-DAG: [[#DEADBEEF4]]  g     O __TEXT,__literals _qux4
  37
  38 ## Make sure we set the right alignment and flags.
  39 # HEADER:        Name: __literals
  40 # HEADER-NEXT:   Segment: __TEXT
  41 # HEADER-NEXT:   Address:
  42 # HEADER-NEXT:   Size:
  43 # HEADER-NEXT:   Offset:
  44 # HEADER-NEXT:   Alignment: 4
  45 # HEADER-NEXT:   RelocationOffset:
  46 # HEADER-NEXT:   RelocationCount: 0
  47 # HEADER-NEXT:   Type: Regular
  48 # HEADER-NEXT:   Attributes [ (0x0)
  49 # HEADER-NEXT:   ]
  50 # HEADER-NEXT:   Reserved1: 0x0
  51 # HEADER-NEXT:   Reserved2: 0x0
  52 # HEADER-NEXT:   Reserved3: 0x0
  53
  54 #--- test.s
  55 .literal4
  56 .p2align 2
  57 L._foo4:
  58   .long 0xdeadbeef
  59 L._bar4:
  60   .long 0xdeadbeef
  61 L._baz4:
  62   .long 0xfeedface
  63
  64 .literal8
  65 L._foo8:
  66   .quad 0xdeadbeefdeadbeef
  67 L._bar8:
  68   .quad 0xdeadbeefdeadbeef
  69 L._baz8:
  70   .quad 0xfeedfacefeedface
  71
  72 .literal16
  73 L._foo16:
  74   .quad 0xdeadbeefdeadbeef
  75   .quad 0xdeadbeefdeadbeef
  76 L._bar16:
  77   .quad 0xdeadbeefdeadbeef
  78   .quad 0xdeadbeefdeadbeef
  79 L._baz16:
  80   .quad 0xfeedfacefeedface
  81   .quad 0xfeedfacefeedface
  82
  83 .section __DATA,ptrs,literal_pointers
  84 .quad L._foo16
  85 .quad L._bar16
  86 .quad L._baz16
  87 .quad _qux16
  88
  89 .quad L._foo8
  90 .quad L._bar8
  91 .quad L._baz8
  92 .quad _qux8
  93
  94 .quad L._foo4
  95 .quad L._bar4
  96 .quad L._baz4
  97 .quad _qux4
  98
  99 #--- qux.s
 100 .globl _qux4, _qux8, _qux16
 101
 102 .literal4
 103 .p2align 2
 104 _qux4:
 105   .long 0xdeadbeef
 106
 107 .literal8
 108 _qux8:
 109   .quad 0xdeadbeefdeadbeef
 110
 111 .literal16
 112 _qux16:
 113   .quad 0xdeadbeefdeadbeef
 114   .quad 0xdeadbeefdeadbeef