lld/test/ELF/verneed.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/verneed1.s -o %t1.o
   3 # RUN: echo "v1 {}; v2 {}; v3 { global: f1; local: *; };" > %t.script
   4 # RUN: ld.lld -shared %t1.o --version-script %t.script --undefined-version -o %t1.so -soname verneed1.so.0
   5 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %S/Inputs/verneed2.s -o %t2.o
   6 # RUN: ld.lld -shared %t2.o --version-script %t.script --undefined-version -o %t2.so -soname verneed2.so.0
   7
   8 # RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
   9 # RUN: ld.lld --hash-style=sysv %t.o %t1.so %t2.so -o %t
  10 # RUN: llvm-readobj -S -d --section-data --dyn-syms -V %t | FileCheck %s
  11
  12 # CHECK:        Section {
  13 # CHECK:          Index: 1
  14 # CHECK-NEXT:     Name: .dynsym
  15 # CHECK-NEXT:     Type: SHT_DYNSYM (0xB)
  16 # CHECK-NEXT:     Flags [ (0x2)
  17 # CHECK-NEXT:       SHF_ALLOC (0x2)
  18 # CHECK-NEXT:     ]
  19 # CHECK-NEXT:     Address: 0x200200
  20 # CHECK-NEXT:     Offset: 0x200
  21 # CHECK-NEXT:     Size: 96
  22 # CHECK-NEXT:     Link: [[DYNSTR:.*]]
  23 # CHECK-NEXT:     Info: 1
  24 # CHECK-NEXT:     AddressAlignment: 8
  25 # CHECK-NEXT:     EntrySize: 24
  26
  27 # CHECK:       Section {
  28 # CHECK-NEXT:    Index: 2
  29 # CHECK-NEXT:    Name: .gnu.version
  30 # CHECK-NEXT:    Type: SHT_GNU_versym (0x6FFFFFFF)
  31 # CHECK-NEXT:    Flags [ (0x2)
  32 # CHECK-NEXT:      SHF_ALLOC (0x2)
  33 # CHECK-NEXT:    ]
  34 # CHECK-NEXT:    Address: [[VERSYM:.*]]
  35 # CHECK-NEXT:    Offset: [[VERSYM_OFFSET:.*]]
  36 # CHECK-NEXT:    Size: 8
  37 # CHECK-NEXT:    Link: 1
  38 # CHECK-NEXT:    Info: 0
  39 # CHECK-NEXT:    AddressAlignment: 2
  40 # CHECK-NEXT:    EntrySize: 2
  41
  42 # CHECK:       Section {
  43 # CHECK-NEXT:    Index: 3
  44 # CHECK-NEXT:    Name: .gnu.version_r
  45 # CHECK-NEXT:    Type: SHT_GNU_verneed (0x6FFFFFFE)
  46 # CHECK-NEXT:    Flags [ (0x2)
  47 # CHECK-NEXT:      SHF_ALLOC (0x2)
  48 # CHECK-NEXT:    ]
  49 # CHECK-NEXT:    Address: [[VERNEED:.*]]
  50 # CHECK-NEXT:    Offset: 0x268
  51 # CHECK-NEXT:    Size: 80
  52 # CHECK-NEXT:    Link: 5
  53 # CHECK-NEXT:    Info: 2
  54 # CHECK-NEXT:    AddressAlignment: 4
  55 # CHECK-NEXT:    EntrySize: 0
  56
  57 # CHECK:          Index: [[DYNSTR]]
  58 # CHECK-NEXT:     Name: .dynstr
  59 # CHECK-NEXT:     Type: SHT_STRTAB (0x3)
  60 # CHECK-NEXT:     Flags [ (0x2)
  61 # CHECK-NEXT:       SHF_ALLOC (0x2)
  62 # CHECK-NEXT:     ]
  63 # CHECK-NEXT:     Address: 0x2002E0
  64 # CHECK-NEXT:     Offset: 0x2E0
  65 # CHECK-NEXT:     Size: 47
  66 # CHECK-NEXT:     Link: 0
  67 # CHECK-NEXT:     Info: 0
  68 # CHECK-NEXT:     AddressAlignment: 1
  69 # CHECK-NEXT:     EntrySize: 0
  70 # CHECK-NEXT:     SectionData (
  71 # CHECK-NEXT:       0000: 00663100 66320067 31007665 726E6565  |.f1.f2.g1.vernee|
  72 # CHECK-NEXT:       0010: 64312E73 6F2E3000 76320076 33007665  |d1.so.0.v2.v3.ve|
  73 # CHECK-NEXT:       0020: 726E6565 64322E73 6F2E3000 763100    |rneed2.so.0.v1.|
  74 # CHECK-NEXT:     )
  75 # CHECK-NEXT:   }
  76
  77 # CHECK:      0x000000006FFFFFF0 VERSYM               [[VERSYM]]
  78 # CHECK-NEXT: 0x000000006FFFFFFE VERNEED              [[VERNEED]]
  79 # CHECK-NEXT: 0x000000006FFFFFFF VERNEEDNUM           2
  80
  81 # CHECK:      DynamicSymbols [
  82 # CHECK-NEXT:   Symbol {
  83 # CHECK-NEXT:     Name:
  84 # CHECK-NEXT:     Value: 0x0
  85 # CHECK-NEXT:     Size: 0
  86 # CHECK-NEXT:     Binding: Local (0x0)
  87 # CHECK-NEXT:     Type: None (0x0)
  88 # CHECK-NEXT:     Other: 0
  89 # CHECK-NEXT:     Section: Undefined (0x0)
  90 # CHECK-NEXT:   }
  91 # CHECK-NEXT:   Symbol {
  92 # CHECK-NEXT:     Name: f1@v3
  93 # CHECK-NEXT:     Value: 0x0
  94 # CHECK-NEXT:     Size: 0
  95 # CHECK-NEXT:     Binding: Global (0x1)
  96 # CHECK-NEXT:     Type: None (0x0)
  97 # CHECK-NEXT:     Other: 0
  98 # CHECK-NEXT:     Section: Undefined (0x0)
  99 # CHECK-NEXT:   }
 100 # CHECK-NEXT:   Symbol {
 101 # CHECK-NEXT:     Name: f2@v2
 102 # CHECK-NEXT:     Value: 0x0
 103 # CHECK-NEXT:     Size: 0
 104 # CHECK-NEXT:     Binding: Global (0x1)
 105 # CHECK-NEXT:     Type: None (0x0)
 106 # CHECK-NEXT:     Other: 0
 107 # CHECK-NEXT:     Section: Undefined (0x0)
 108 # CHECK-NEXT:   }
 109 # CHECK-NEXT:   Symbol {
 110 # CHECK-NEXT:     Name: g1@v1
 111 # CHECK-NEXT:     Value: 0x0
 112 # CHECK-NEXT:     Size: 0
 113 # CHECK-NEXT:     Binding: Global (0x1)
 114 # CHECK-NEXT:     Type: None (0x0)
 115 # CHECK-NEXT:     Other: 0
 116 # CHECK-NEXT:     Section: Undefined (0x0)
 117 # CHECK-NEXT:   }
 118 # CHECK-NEXT: ]
 119
 120 # CHECK:      VersionSymbols [
 121 # CHECK-NEXT:    Symbol {
 122 # CHECK-NEXT:      Version: 0
 123 # CHECK-NEXT:      Name:
 124 # CHECK-NEXT:    }
 125 # CHECK-NEXT:    Symbol {
 126 # CHECK-NEXT:      Version: 2
 127 # CHECK-NEXT:      Name: f1@v3
 128 # CHECK-NEXT:    }
 129 # CHECK-NEXT:    Symbol {
 130 # CHECK-NEXT:      Version: 3
 131 # CHECK-NEXT:      Name: f2@v2
 132 # CHECK-NEXT:    }
 133 # CHECK-NEXT:    Symbol {
 134 # CHECK-NEXT:      Version: 4
 135 # CHECK-NEXT:      Name: g1@v1
 136 # CHECK-NEXT:    }
 137 # CHECK-NEXT:  ]
 138 # CHECK-NEXT:  VersionDefinitions [
 139 # CHECK-NEXT:  ]
 140 # CHECK-NEXT:  VersionRequirements [
 141 # CHECK-NEXT:    Dependency {
 142 # CHECK-NEXT:      Version: 1
 143 # CHECK-NEXT:      Count: 2
 144 # CHECK-NEXT:      FileName: verneed1.so.0
 145 # CHECK-NEXT:      Entries [
 146 # CHECK-NEXT:        Entry {
 147 # CHECK-NEXT:          Hash: 1938
 148 # CHECK-NEXT:          Flags [ (0x0)
 149 # CHECK-NEXT:          ]
 150 # CHECK-NEXT:          Index: 3
 151 # CHECK-NEXT:          Name: v2
 152 # CHECK-NEXT:        }
 153 # CHECK-NEXT:        Entry {
 154 # CHECK-NEXT:          Hash: 1939
 155 # CHECK-NEXT:          Flags [ (0x0)
 156 # CHECK-NEXT:          ]
 157 # CHECK-NEXT:          Index: 2
 158 # CHECK-NEXT:          Name: v3
 159 # CHECK-NEXT:        }
 160 # CHECK-NEXT:      ]
 161 # CHECK-NEXT:    }
 162 # CHECK-NEXT:    Dependency {
 163 # CHECK-NEXT:      Version: 1
 164 # CHECK-NEXT:      Count: 1
 165 # CHECK-NEXT:      FileName: verneed2.so.0
 166 # CHECK-NEXT:      Entries [
 167 # CHECK-NEXT:        Entry {
 168 # CHECK-NEXT:          Hash: 1937
 169 # CHECK-NEXT:          Flags [ (0x0)
 170 # CHECK-NEXT:          ]
 171 # CHECK-NEXT:          Index: 4
 172 # CHECK-NEXT:          Name: v1
 173 # CHECK-NEXT:        }
 174 # CHECK-NEXT:      ]
 175 # CHECK-NEXT:    }
 176 # CHECK-NEXT:  ]
 177
 178 .globl _start
 179 _start:
 180 call f1@plt
 181 call f2@plt
 182 call g1@plt