test/MC/MachO/ARM/aliased-symbols.s

   1 // RUN: llvm-mc -triple thumbv7m-apple-darwin-eabi %s -filetype=obj -o %t
   2 // RUN:     llvm-readobj --symbols %t | FileCheck %s
   3
   4         .data
   5         var1 = var2
   6         .long var1
   7         .long var2
   8         .long var2 + 4
   9 defined_early:
  10         .long 0
  11
  12         alias_to_early = defined_early
  13         alias_to_late = defined_late
  14
  15 defined_late:
  16         .long 0
  17
  18         .global extern_test
  19         extern_test = var2
  20
  21         alias_to_local = Ltmp0
  22 Ltmp0:
  23
  24 // CHECK: Symbols [
  25
  26         // defined_early was defined. Actually has value 0xc.
  27 // CHECK: Symbol {
  28 // CHECK-NEXT:   Name: defined_early
  29 // CHECK-NEXT:   Type: Section (0xE)
  30 // CHECK-NEXT:   Section: __data (0x2)
  31 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  32 // CHECK-NEXT:   Flags [ (0x0)
  33 // CHECK-NEXT:   ]
  34 // CHECK-NEXT:   Value: 0x[[DEFINED_EARLY:[0-9A-F]+]]
  35 // CHECK-NEXT: }
  36
  37         // alias_to_early was an alias to defined_early. But we can resolve it.
  38 // CHECK: Symbol {
  39 // CHECK-NEXT:   Name: alias_to_early
  40 // CHECK-NEXT:   Type: Section (0xE)
  41 // CHECK-NEXT:   Section: __data (0x2)
  42 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  43 // CHECK-NEXT:   Flags [ (0x0)
  44 // CHECK-NEXT:   ]
  45 // CHECK-NEXT:   Value: 0x[[DEFINED_EARLY]]
  46 // CHECK-NEXT: }
  47
  48         // alias_to_late was an alias to defined_late. But we can resolve it.
  49 // CHECK: Symbol {
  50 // CHECK-NEXT:   Name: alias_to_late
  51 // CHECK-NEXT:   Type: Section (0xE)
  52 // CHECK-NEXT:   Section: __data (0x2)
  53 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  54 // CHECK-NEXT:   Flags [ (0x0)
  55 // CHECK-NEXT:   ]
  56 // CHECK-NEXT:   Value: 0x[[DEFINED_LATE:[0-9A-F]+]]
  57 // CHECK-NEXT: }
  58
  59         // defined_late was defined. Just after defined_early.
  60 // CHECK: Symbol {
  61 // CHECK-NEXT:   Name: defined_late
  62 // CHECK-NEXT:   Type: Section (0xE)
  63 // CHECK-NEXT:   Section: __data (0x2)
  64 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  65 // CHECK-NEXT:   Flags [ (0x0)
  66 // CHECK-NEXT:   ]
  67 // CHECK-NEXT:   Value: 0x[[DEFINED_LATE]]
  68 // CHECK-NEXT: }
  69
  70         // alias_to_local is an alias, but what it points to has no
  71         // MachO representation. We must resolve it.
  72 // CHECK: Symbol {
  73 // CHECK-NEXT:   Name: alias_to_local (42)
  74 // CHECK-NEXT:   Type: Section (0xE)
  75 // CHECK-NEXT:   Section: __data (0x2)
  76 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  77 // CHECK-NEXT:   Flags [ (0x0)
  78 // CHECK-NEXT:   ]
  79 // CHECK-NEXT:   Value: 0x14
  80 // CHECK-NEXT: }
  81
  82         // extern_test was a pure alias to the unknown "var2".
  83         // N_INDR and Extern.
  84 // CHECK:   Name: extern_test
  85 // CHECK-NEXT:   Extern
  86 // CHECK-NEXT:   Type: Indirect (0xA)
  87 // CHECK-NEXT:   Section:  (0x0)
  88 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
  89 // CHECK-NEXT:   Flags [ (0x0)
  90 // CHECK-NEXT:   ]
  91 // CHECK-NEXT:   Value: 0x[[VAR2_STRINGINDEX:[0-9a-f]+]]
  92 // CHECK-NEXT: }
  93
  94         // var1 was another alias to an unknown variable. Not extern this time.
  95 // CHECK: Symbol {
  96 // CHECK-NEXT:   Name: var1 (89)
  97 // CHECK-NEXT:   Type: Indirect (0xA)
  98 // CHECK-NEXT:   Section:  (0x0)
  99 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
 100 // CHECK-NEXT:   Flags [ (0x0)
 101 // CHECK-NEXT:   ]
 102 // CHECK-NEXT:   Value: 0x[[VAR2_STRINGINDEX]]
 103 // CHECK-NEXT: }
 104
 105         // var2 was a normal undefined (extern) symbol.
 106 // CHECK: Symbol {
 107 // CHECK-NEXT:   Name: var2
 108 // CHECK-NEXT:   Extern
 109 // CHECK-NEXT:   Type: Undef (0x0)
 110 // CHECK-NEXT:   Section:  (0x0)
 111 // CHECK-NEXT:   RefType: UndefinedNonLazy (0x0)
 112 // CHECK-NEXT:   Flags [ (0x0)
 113 // CHECK-NEXT:   ]
 114 // CHECK-NEXT:   Value: 0x0
 115 // CHECK-NEXT: }