test/MC/ELF/alias.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -t | FileCheck %s
   2
   3 foo:
   4 bar = foo
   5
   6         .globl  foo2
   7 foo2 = bar2
   8
   9 foo3:
  10         .globl  bar3
  11 bar3 = foo3
  12
  13
  14 // Test that bar4  and bar 5 are also functions and have the same value as foo4.
  15         .byte 0
  16         .type   foo4,@function
  17 foo4:
  18 bar4 = foo4
  19 bar5 = bar4
  20
  21         .long foo2
  22
  23 // Test that bar6 is a function that doesn't have the same value as foo4.
  24 bar6 = bar5
  25 bar6:
  26
  27 // Test that indirect local aliases do not appear as symbols.
  28 .data
  29 .Llocal:
  30
  31 .text
  32 leaq .Llocal1(%rip), %rdi
  33 .Llocal1 = .Llocal2
  34 .Llocal2 = .Llocal
  35
  36 // CHECK:      Symbols [
  37 // CHECK-NEXT:   Symbol {
  38 // CHECK-NEXT:     Name:  (0)
  39 // CHECK-NEXT:     Value: 0x0
  40 // CHECK-NEXT:     Size: 0
  41 // CHECK-NEXT:     Binding: Local (0x0)
  42 // CHECK-NEXT:     Type: None (0x0)
  43 // CHECK-NEXT:     Other: 0
  44 // CHECK-NEXT:     Section: Undefined (0x0)
  45 // CHECK-NEXT:   }
  46 // CHECK-NEXT:   Symbol {
  47 // CHECK-NEXT:     Name: bar
  48 // CHECK-NEXT:     Value: 0x0
  49 // CHECK-NEXT:     Size: 0
  50 // CHECK-NEXT:     Binding: Local
  51 // CHECK-NEXT:     Type: None
  52 // CHECK-NEXT:     Other: 0
  53 // CHECK-NEXT:     Section: .text
  54 // CHECK-NEXT:   }
  55 // CHECK-NEXT:   Symbol {
  56 // CHECK-NEXT:     Name: bar4
  57 // CHECK-NEXT:     Value: 0x1
  58 // CHECK-NEXT:     Size: 0
  59 // CHECK-NEXT:     Binding: Local
  60 // CHECK-NEXT:     Type: Function
  61 // CHECK-NEXT:     Other: 0
  62 // CHECK-NEXT:     Section: .text
  63 // CHECK-NEXT:   }
  64 // CHECK-NEXT:   Symbol {
  65 // CHECK-NEXT:     Name: bar5
  66 // CHECK-NEXT:     Value: 0x1
  67 // CHECK-NEXT:     Size: 0
  68 // CHECK-NEXT:     Binding: Local
  69 // CHECK-NEXT:     Type: Function
  70 // CHECK-NEXT:     Other: 0
  71 // CHECK-NEXT:     Section: .text
  72 // CHECK-NEXT:   }
  73 // CHECK-NEXT:   Symbol {
  74 // CHECK-NEXT:     Name: bar6
  75 // CHECK-NEXT:     Value: 0x5
  76 // CHECK-NEXT:     Size: 0
  77 // CHECK-NEXT:     Binding: Local
  78 // CHECK-NEXT:     Type: None
  79 // CHECK-NEXT:     Other: 0
  80 // CHECK-NEXT:     Section: .text
  81 // CHECK-NEXT:   }
  82 // CHECK-NEXT:   Symbol {
  83 // CHECK-NEXT:     Name: foo
  84 // CHECK-NEXT:     Value: 0x0
  85 // CHECK-NEXT:     Size: 0
  86 // CHECK-NEXT:     Binding: Local
  87 // CHECK-NEXT:     Type: None
  88 // CHECK-NEXT:     Other: 0
  89 // CHECK-NEXT:     Section: .text
  90 // CHECK-NEXT:   }
  91 // CHECK-NEXT:   Symbol {
  92 // CHECK-NEXT:     Name: foo3
  93 // CHECK-NEXT:     Value: 0x0
  94 // CHECK-NEXT:     Size: 0
  95 // CHECK-NEXT:     Binding: Local
  96 // CHECK-NEXT:     Type: None
  97 // CHECK-NEXT:     Other: 0
  98 // CHECK-NEXT:     Section: .text
  99 // CHECK-NEXT:   }
 100 // CHECK-NEXT:   Symbol {
 101 // CHECK-NEXT:     Name: foo4
 102 // CHECK-NEXT:     Value: 0x1
 103 // CHECK-NEXT:     Size: 0
 104 // CHECK-NEXT:     Binding: Local
 105 // CHECK-NEXT:     Type: Function
 106 // CHECK-NEXT:     Other: 0
 107 // CHECK-NEXT:     Section: .text
 108 // CHECK-NEXT:   }
 109 // CHECK-NEXT:   Symbol {
 110 // CHECK-NEXT:     Name: .text (0)
 111 // CHECK-NOT: Symbol {
 112 // CHECK:        }
 113 // CHECK-NEXT:   Symbol {
 114 // CHECK-NEXT:     Name: .data (0)
 115 // CHECK-NOT: Symbol {
 116 // CHECK:        }
 117 // CHECK-NEXT:   Symbol {
 118 // CHECK-NEXT:     Name: .bss (0)
 119 // CHECK-NOT: Symbol {
 120 // CHECK:        }
 121 // CHECK-NEXT:   Symbol {
 122 // CHECK-NEXT:     Name: bar2
 123 // CHECK-NEXT:     Value: 0x0
 124 // CHECK-NEXT:     Size: 0
 125 // CHECK-NEXT:     Binding: Global
 126 // CHECK-NEXT:     Type: None
 127 // CHECK-NEXT:     Other: 0
 128 // CHECK-NEXT:     Section: Undefined (0x0)
 129 // CHECK-NEXT:   }
 130 // CHECK-NEXT:   Symbol {
 131 // CHECK-NEXT:     Name: bar3
 132 // CHECK-NEXT:     Value: 0x0
 133 // CHECK-NEXT:     Size: 0
 134 // CHECK-NEXT:     Binding: Global
 135 // CHECK-NEXT:     Type: None
 136 // CHECK-NEXT:     Other: 0
 137 // CHECK-NEXT:     Section: .text
 138 // CHECK-NEXT:   }
 139 // CHECK-NEXT: ]