test/MC/ELF/comdat.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s -t -sd | FileCheck %s
   2
   3 // Test that we produce the group sections and that they are before the members
   4
   5 // CHECK:        Section {
   6 // CHECK:          Index: 5
   7 // CHECK-NEXT:     Name: .group
   8 // CHECK-NEXT:     Type: SHT_GROUP
   9 // CHECK-NEXT:     Flags [
  10 // CHECK-NEXT:     ]
  11 // CHECK-NEXT:     Address: 0x0
  12 // CHECK-NEXT:     Offset:
  13 // CHECK-NEXT:     Size: 12
  14 // CHECK-NEXT:     Link:
  15 // CHECK-NEXT:     Info: 1
  16 // CHECK-NEXT:     AddressAlignment: 4
  17 // CHECK-NEXT:     EntrySize: 4
  18 // CHECK-NEXT:     SectionData (
  19 // CHECK-NEXT:       0000:    01000000 06000000 07000000
  20 // CHECK-NEXT:     )
  21 // CHECK-NEXT:   }
  22 // CHECK:        Section {
  23 // CHECK:          Index: 8
  24 // CHECK-NEXT:     Name: .group
  25 // CHECK-NEXT:     Type: SHT_GROUP
  26 // CHECK-NEXT:     Flags [
  27 // CHECK-NEXT:     ]
  28 // CHECK-NEXT:     Address: 0x0
  29 // CHECK-NEXT:     Offset:
  30 // CHECK-NEXT:     Size: 8
  31 // CHECK-NEXT:     Link:
  32 // CHECK-NEXT:     Info: 2
  33 // CHECK-NEXT:     AddressAlignment: 4
  34 // CHECK-NEXT:     EntrySize: 4
  35 // CHECK-NEXT:     SectionData (
  36 // CHECK-NEXT:       0000:    01000000 09000000
  37 // CHECK-NEXT:     )
  38 // CHECK-NEXT:   }
  39 // CHECK:        Section {
  40 // CHECK:          Index: 10
  41 // CHECK-NEXT:     Name: .group
  42 // CHECK-NEXT:     Type: SHT_GROUP
  43 // CHECK-NEXT:     Flags [
  44 // CHECK-NEXT:     ]
  45 // CHECK-NEXT:     Address: 0x0
  46 // CHECK-NEXT:     Offset:
  47 // CHECK-NEXT:     Size: 12
  48 // CHECK-NEXT:     Link:
  49 // CHECK-NEXT:     Info: 3
  50 // CHECK-NEXT:     AddressAlignment: 4
  51 // CHECK-NEXT:     EntrySize: 4
  52 // CHECK-NEXT:     SectionData (
  53 // CHECK-NEXT:       0000:    01000000 0B000000 0C000000
  54 // CHECK-NEXT:     )
  55 // CHECK-NEXT:   }
  56
  57 // Test that g1 and g2 are local, but g3 is an undefined global.
  58
  59 // CHECK:        Symbol {
  60 // CHECK:          Name: g1
  61 // CHECK-NEXT:     Value: 0x0
  62 // CHECK-NEXT:     Size: 0
  63 // CHECK-NEXT:     Binding: Local
  64 // CHECK-NEXT:     Type: None
  65 // CHECK-NEXT:     Other: 0
  66 // CHECK-NEXT:     Section: .foo
  67 // CHECK-NEXT:   }
  68 // CHECK-NEXT:   Symbol {
  69 // CHECK-NEXT:     Name: g2
  70 // CHECK-NEXT:     Value: 0x0
  71 // CHECK-NEXT:     Size: 0
  72 // CHECK-NEXT:     Binding: Local
  73 // CHECK-NEXT:     Type: None
  74 // CHECK-NEXT:     Other: 0
  75 // CHECK-NEXT:     Section: .group (0x8)
  76 // CHECK-NEXT:   }
  77
  78 // CHECK:        Symbol {
  79 // CHECK:          Name: g3
  80 // CHECK-NEXT:     Value: 0x0
  81 // CHECK-NEXT:     Size: 0
  82 // CHECK-NEXT:     Binding: Global
  83 // CHECK-NEXT:     Type: None
  84 // CHECK-NEXT:     Other: 0
  85 // CHECK-NEXT:     Section: Undefined (0x0)
  86 // CHECK-NEXT:   }
  87
  88
  89         .section        .foo,"axG",@progbits,g1,comdat
  90 g1:
  91         nop
  92
  93         .section        .bar,"ax?",@progbits
  94         nop
  95
  96         .section        .zed,"axG",@progbits,g2,comdat
  97         nop
  98
  99         .section        .baz,"axG",@progbits,g3,comdat
 100         .long g3