test/MC/ELF/section.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj -s | FileCheck %s
   2
   3 // Test that these names are accepted.
   4
   5 .section        .note.GNU-stack,"",@progbits
   6 .section        .note.GNU-stack2,"",%progbits
   7 .section        .note.GNU-,"",@progbits
   8 .section        -.note.GNU,"","progbits"
   9
  10 // CHECK: Name: .note.GNU-stack
  11 // CHECK: Name: .note.GNU-stack2
  12 // CHECK: Name: .note.GNU-
  13 // CHECK: Name: -.note.GNU
  14
  15 // Test that the defaults are used
  16
  17 .section        .init
  18 .section        .fini
  19 .section        .rodata
  20 .section        zed, ""
  21
  22 // CHECK:        Section {
  23 // CHECK:          Name: .init
  24 // CHECK-NEXT:     Type: SHT_PROGBITS
  25 // CHECK-NEXT:     Flags [
  26 // CHECK-NEXT:       SHF_ALLOC
  27 // CHECK-NEXT:       SHF_EXECINSTR
  28 // CHECK-NEXT:     ]
  29 // CHECK-NEXT:     Address: 0x0
  30 // CHECK-NEXT:     Offset:
  31 // CHECK-NEXT:     Size: 0
  32 // CHECK-NEXT:     Link: 0
  33 // CHECK-NEXT:     Info: 0
  34 // CHECK-NEXT:     AddressAlignment: 1
  35 // CHECK-NEXT:     EntrySize: 0
  36 // CHECK-NEXT:   }
  37 // CHECK-NEXT:   Section {
  38 // CHECK-NEXT:     Index:
  39 // CHECK-NEXT:     Name: .fini
  40 // CHECK-NEXT:     Type: SHT_PROGBITS
  41 // CHECK-NEXT:     Flags [
  42 // CHECK-NEXT:       SHF_ALLOC
  43 // CHECK-NEXT:       SHF_EXECINSTR
  44 // CHECK-NEXT:     ]
  45 // CHECK-NEXT:     Address: 0x0
  46 // CHECK-NEXT:     Offset:
  47 // CHECK-NEXT:     Size: 0
  48 // CHECK-NEXT:     Link: 0
  49 // CHECK-NEXT:     Info: 0
  50 // CHECK-NEXT:     AddressAlignment: 1
  51 // CHECK-NEXT:     EntrySize: 0
  52 // CHECK-NEXT:   }
  53 // CHECK-NEXT:   Section {
  54 // CHECK-NEXT:     Index:
  55 // CHECK-NEXT:     Name: .rodata
  56 // CHECK-NEXT:     Type: SHT_PROGBITS
  57 // CHECK-NEXT:     Flags [
  58 // CHECK-NEXT:       SHF_ALLOC
  59 // CHECK-NEXT:     ]
  60 // CHECK-NEXT:     Address: 0x0
  61 // CHECK-NEXT:     Offset:
  62 // CHECK-NEXT:     Size: 0
  63 // CHECK-NEXT:     Link: 0
  64 // CHECK-NEXT:     Info: 0
  65 // CHECK-NEXT:     AddressAlignment: 1
  66 // CHECK-NEXT:     EntrySize: 0
  67 // CHECK-NEXT:   }
  68 // CHECK-NEXT:   Section {
  69 // CHECK-NEXT:     Index:
  70 // CHECK-NEXT:     Name: zed
  71 // CHECK-NEXT:     Type: SHT_PROGBITS
  72 // CHECK-NEXT:     Flags [
  73 // CHECK-NEXT:     ]
  74 // CHECK-NEXT:     Address: 0x0
  75 // CHECK-NEXT:     Offset:
  76 // CHECK-NEXT:     Size: 0
  77 // CHECK-NEXT:     Link: 0
  78 // CHECK-NEXT:     Info: 0
  79 // CHECK-NEXT:     AddressAlignment: 1
  80 // CHECK-NEXT:     EntrySize: 0
  81 // CHECK-NEXT:   }
  82
  83 .section        .note.test,"",@note
  84 // CHECK:        Section {
  85 // CHECK:          Name: .note.test
  86 // CHECK-NEXT:     Type: SHT_NOTE
  87 // CHECK-NEXT:     Flags [
  88 // CHECK-NEXT:     ]
  89 // CHECK-NEXT:     Address: 0x0
  90 // CHECK-NEXT:     Offset:
  91 // CHECK-NEXT:     Size: 0
  92 // CHECK-NEXT:     Link: 0
  93 // CHECK-NEXT:     Info: 0
  94 // CHECK-NEXT:     AddressAlignment: 1
  95 // CHECK-NEXT:     EntrySize: 0
  96 // CHECK-NEXT:   }
  97
  98 // Test that we can parse these
  99 foo:
 100 bar:
 101 .section        .text.foo,"axG",@progbits,foo,comdat
 102 .section        .text.bar,"axMG",@progbits,42,bar,comdat
 103
 104 // Test that the default values are not used
 105
 106 .section .eh_frame,"a",@unwind
 107
 108 // CHECK:        Section {
 109 // CHECK:          Name: .eh_frame
 110 // CHECK-NEXT:     Type: SHT_X86_64_UNWIND
 111 // CHECK-NEXT:     Flags [
 112 // CHECK-NEXT:       SHF_ALLOC
 113 // CHECK-NEXT:     ]
 114 // CHECK-NEXT:     Address: 0x0
 115 // CHECK-NEXT:     Offset:
 116 // CHECK-NEXT:     Size: 0
 117 // CHECK-NEXT:     Link: 0
 118 // CHECK-NEXT:     Info: 0
 119 // CHECK-NEXT:     AddressAlignment: 1
 120 // CHECK-NEXT:     EntrySize: 0
 121 // CHECK-NEXT:   }
 122
 123 .section .excluded,"e",@progbits
 124
 125 // CHECK:      Section {
 126 // CHECK:        Name: .excluded (92)
 127 // CHECK-NEXT:   Type: SHT_PROGBITS (0x1)
 128 // CHECK-NEXT:   Flags [ (0x80000000)
 129 // CHECK-NEXT:     SHF_EXCLUDE (0x80000000)
 130 // CHECK-NEXT:   ]
 131 // CHECK-NEXT:   Address: 0x0
 132 // CHECK-NEXT:   Offset:
 133 // CHECK-NEXT:   Size: 0
 134 // CHECK-NEXT:   Link: 0
 135 // CHECK-NEXT:   Info: 0
 136 // CHECK-NEXT:   AddressAlignment: 1
 137 // CHECK-NEXT:   EntrySize: 0
 138 // CHECK-NEXT: }
 139
 140 // Test that we handle the strings like gas
 141 .section bar-"foo"
 142 .section "foo"
 143
 144 // CHECK:        Section {
 145 // CHECK:          Name: bar-"foo"
 146 // CHECK:        Section {
 147 // CHECK:          Name: foo