test/MC/ELF/weakref.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj --symbols | FileCheck %s
   2
   3 // This is a long test that checks that the aliases created by weakref are
   4 // never in the symbol table and that the only case it causes a symbol to
   5 // be output as a weak undefined symbol is if that variable is not defined
   6 // in this file and all the references to it are done via the alias.
   7
   8         .weakref foo1, bar1
   9
  10         .weakref foo2, bar2
  11         .long bar2
  12
  13         .weakref foo3, bar3
  14         .long foo3
  15
  16         .weakref foo4, bar4
  17         .long foo4
  18         .long bar4
  19
  20         .weakref foo5, bar5
  21         .long bar5
  22         .long foo5
  23
  24 bar6:
  25         .weakref foo6, bar6
  26
  27 bar7:
  28         .weakref foo7, bar7
  29         .long bar7
  30
  31 bar8:
  32         .weakref foo8, bar8
  33         .long foo8
  34
  35 bar9:
  36         .weakref foo9, bar9
  37         .long foo9
  38         .long bar9
  39
  40 bar10:
  41         .global bar10
  42         .weakref foo10, bar10
  43         .long bar10
  44         .long foo10
  45
  46 bar11:
  47         .global bar11
  48         .weakref foo11, bar11
  49
  50 bar12:
  51         .global bar12
  52         .weakref foo12, bar12
  53         .long bar12
  54
  55 bar13:
  56         .global bar13
  57         .weakref foo13, bar13
  58         .long foo13
  59
  60 bar14:
  61         .global bar14
  62         .weakref foo14, bar14
  63         .long foo14
  64         .long bar14
  65
  66 bar15:
  67         .global bar15
  68         .weakref foo15, bar15
  69         .long bar15
  70         .long foo15
  71
  72 // CHECK:      Symbols [
  73 // CHECK-NEXT:   Symbol {
  74 // CHECK-NEXT:     Name:  (0)
  75 // CHECK-NEXT:     Value: 0x0
  76 // CHECK-NEXT:     Size: 0
  77 // CHECK-NEXT:     Binding: Local (0x0)
  78 // CHECK-NEXT:     Type: None (0x0)
  79 // CHECK-NEXT:     Other: 0
  80 // CHECK-NEXT:     Section: Undefined (0x0)
  81 // CHECK-NEXT:   }
  82 // CHECK-NEXT:   Symbol {
  83 // CHECK-NEXT:     Name: bar6
  84 // CHECK-NEXT:     Value: 0x18
  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: bar7
  93 // CHECK-NEXT:     Value: 0x18
  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: bar8
 102 // CHECK-NEXT:     Value: 0x1C
 103 // CHECK-NEXT:     Size: 0
 104 // CHECK-NEXT:     Binding: Local
 105 // CHECK-NEXT:     Type: None
 106 // CHECK-NEXT:     Other: 0
 107 // CHECK-NEXT:     Section: .text
 108 // CHECK-NEXT:   }
 109 // CHECK-NEXT:   Symbol {
 110 // CHECK-NEXT:     Name: bar9
 111 // CHECK-NEXT:     Value: 0x20
 112 // CHECK-NEXT:     Size: 0
 113 // CHECK-NEXT:     Binding: Local
 114 // CHECK-NEXT:     Type: None
 115 // CHECK-NEXT:     Other: 0
 116 // CHECK-NEXT:     Section: .text
 117 // CHECK-NEXT:   }
 118 // CHECK-NEXT:   Symbol {
 119 // CHECK-NEXT:     Name: .text (0)
 120 // CHECK-NEXT:     Value: 0x0
 121 // CHECK-NEXT:     Size: 0
 122 // CHECK-NEXT:     Binding: Local
 123 // CHECK-NEXT:     Type: Section
 124 // CHECK-NEXT:     Other: 0
 125 // CHECK-NEXT:     Section: .text
 126 // CHECK-NEXT:   }
 127 // CHECK-NEXT:   Symbol {
 128 // CHECK-NEXT:     Name: bar10
 129 // CHECK-NEXT:     Value: 0x28
 130 // CHECK-NEXT:     Size: 0
 131 // CHECK-NEXT:     Binding: Global
 132 // CHECK-NEXT:     Type: None
 133 // CHECK-NEXT:     Other: 0
 134 // CHECK-NEXT:     Section: .text
 135 // CHECK-NEXT:   }
 136 // CHECK-NEXT:   Symbol {
 137 // CHECK-NEXT:     Name: bar11
 138 // CHECK-NEXT:     Value: 0x30
 139 // CHECK-NEXT:     Size: 0
 140 // CHECK-NEXT:     Binding: Global
 141 // CHECK-NEXT:     Type: None
 142 // CHECK-NEXT:     Other: 0
 143 // CHECK-NEXT:     Section: .text
 144 // CHECK-NEXT:   }
 145 // CHECK-NEXT:   Symbol {
 146 // CHECK-NEXT:     Name: bar12
 147 // CHECK-NEXT:     Value: 0x30
 148 // CHECK-NEXT:     Size: 0
 149 // CHECK-NEXT:     Binding: Global
 150 // CHECK-NEXT:     Type: None
 151 // CHECK-NEXT:     Other: 0
 152 // CHECK-NEXT:     Section: .text
 153 // CHECK-NEXT:   }
 154 // CHECK-NEXT:   Symbol {
 155 // CHECK-NEXT:     Name: bar13
 156 // CHECK-NEXT:     Value: 0x34
 157 // CHECK-NEXT:     Size: 0
 158 // CHECK-NEXT:     Binding: Global
 159 // CHECK-NEXT:     Type: None
 160 // CHECK-NEXT:     Other: 0
 161 // CHECK-NEXT:     Section: .text
 162 // CHECK-NEXT:   }
 163 // CHECK-NEXT:   Symbol {
 164 // CHECK-NEXT:     Name: bar14
 165 // CHECK-NEXT:     Value: 0x38
 166 // CHECK-NEXT:     Size: 0
 167 // CHECK-NEXT:     Binding: Global
 168 // CHECK-NEXT:     Type: None
 169 // CHECK-NEXT:     Other: 0
 170 // CHECK-NEXT:     Section: .text
 171 // CHECK-NEXT:   }
 172 // CHECK-NEXT:   Symbol {
 173 // CHECK-NEXT:     Name: bar15
 174 // CHECK-NEXT:     Value: 0x40
 175 // CHECK-NEXT:     Size: 0
 176 // CHECK-NEXT:     Binding: Global
 177 // CHECK-NEXT:     Type: None
 178 // CHECK-NEXT:     Other: 0
 179 // CHECK-NEXT:     Section: .text
 180 // CHECK-NEXT:   }
 181 // CHECK-NEXT:   Symbol {
 182 // CHECK-NEXT:     Name: bar2
 183 // CHECK-NEXT:     Value: 0x0
 184 // CHECK-NEXT:     Size: 0
 185 // CHECK-NEXT:     Binding: Global
 186 // CHECK-NEXT:     Type: None
 187 // CHECK-NEXT:     Other: 0
 188 // CHECK-NEXT:     Section: Undefined (0x0)
 189 // CHECK-NEXT:   }
 190 // CHECK-NEXT:   Symbol {
 191 // CHECK-NEXT:     Name: bar3
 192 // CHECK-NEXT:     Value: 0x0
 193 // CHECK-NEXT:     Size: 0
 194 // CHECK-NEXT:     Binding: Weak
 195 // CHECK-NEXT:     Type: None
 196 // CHECK-NEXT:     Other: 0
 197 // CHECK-NEXT:     Section: Undefined (0x0)
 198 // CHECK-NEXT:   }
 199 // CHECK-NEXT:   Symbol {
 200 // CHECK-NEXT:     Name: bar4
 201 // CHECK-NEXT:     Value: 0x0
 202 // CHECK-NEXT:     Size: 0
 203 // CHECK-NEXT:     Binding: Global
 204 // CHECK-NEXT:     Type: None
 205 // CHECK-NEXT:     Other: 0
 206 // CHECK-NEXT:     Section: Undefined (0x0)
 207 // CHECK-NEXT:   }
 208 // CHECK-NEXT:   Symbol {
 209 // CHECK-NEXT:     Name: bar5
 210 // CHECK-NEXT:     Value: 0x0
 211 // CHECK-NEXT:     Size: 0
 212 // CHECK-NEXT:     Binding: Global
 213 // CHECK-NEXT:     Type: None
 214 // CHECK-NEXT:     Other: 0
 215 // CHECK-NEXT:     Section: Undefined (0x0)
 216 // CHECK-NEXT:   }
 217 // CHECK-NEXT: ]