lld/test/wasm/weak-symbols.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol1.s -o %t1.o
   2 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %p/Inputs/weak-symbol2.s -o %t2.o
   3 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
   4 # RUN: wasm-ld --export-dynamic -o %t.wasm %t.o %t1.o %t2.o
   5 # RUN: obj2yaml %t.wasm | FileCheck %s
   6
   7 .functype weakFn () -> (i32)
   8
   9 .globl  _start
  10 _start:
  11   .functype _start () -> ()
  12   call  weakFn
  13   drop
  14   end_function
  15
  16 .size weakGlobal, 4
  17
  18 # CHECK:      --- !WASM
  19 # CHECK-NEXT: FileHeader:
  20 # CHECK-NEXT:   Version:         0x1
  21 # CHECK-NEXT: Sections:
  22 # CHECK-NEXT:   - Type:            TYPE
  23 # CHECK-NEXT:     Signatures:
  24 # CHECK-NEXT:       - Index:           0
  25 # CHECK-NEXT:         ParamTypes:      []
  26 # CHECK-NEXT:         ReturnTypes:     []
  27 # CHECK-NEXT:       - Index:           1
  28 # CHECK-NEXT:         ParamTypes:      []
  29 # CHECK-NEXT:         ReturnTypes:
  30 # CHECK-NEXT:           - I32
  31 # CHECK-NEXT:   - Type:            FUNCTION
  32 # CHECK-NEXT:     FunctionTypes:   [ 0, 1, 1, 1 ]
  33 # CHECK-NEXT:   - Type:            TABLE
  34 # CHECK-NEXT:     Tables:
  35 # CHECK-NEXT:       - Index:           0
  36 # CHECK-NEXT:         ElemType:        FUNCREF
  37 # CHECK-NEXT:         Limits:
  38 # CHECK-NEXT:           Flags:           [ HAS_MAX ]
  39 # CHECK-NEXT:           Minimum:         0x2
  40 # CHECK-NEXT:           Maximum:         0x2
  41 # CHECK-NEXT:   - Type:            MEMORY
  42 # CHECK-NEXT:     Memories:
  43 # CHECK-NEXT:       - Minimum:         0x2
  44 # CHECK-NEXT:   - Type:            GLOBAL
  45 # CHECK-NEXT:     Globals:
  46 # CHECK-NEXT:       - Index:           0
  47 # CHECK-NEXT:         Type:            I32
  48 # CHECK-NEXT:         Mutable:         true
  49 # CHECK-NEXT:         InitExpr:
  50 # CHECK-NEXT:           Opcode:          I32_CONST
  51 # CHECK-NEXT:           Value:           66576
  52 # CHECK-NEXT:       - Index:           1
  53 # CHECK-NEXT:         Type:            I32
  54 # CHECK-NEXT:         Mutable:         false
  55 # CHECK-NEXT:         InitExpr:
  56 # CHECK-NEXT:           Opcode:          I32_CONST
  57 # CHECK-NEXT:           Value:           1024
  58 # CHECK-NEXT:   - Type:            EXPORT
  59 # CHECK-NEXT:     Exports:
  60 # CHECK-NEXT:       - Name:            memory
  61 # CHECK-NEXT:         Kind:            MEMORY
  62 # CHECK-NEXT:         Index:           0
  63 # CHECK-NEXT:       - Name:            _start
  64 # CHECK-NEXT:         Kind:            FUNCTION
  65 # CHECK-NEXT:         Index:           0
  66 # CHECK-NEXT:       - Name:            weakFn
  67 # CHECK-NEXT:         Kind:            FUNCTION
  68 # CHECK-NEXT:         Index:           1
  69 # CHECK-NEXT:       - Name:            exportWeak1
  70 # CHECK-NEXT:         Kind:            FUNCTION
  71 # CHECK-NEXT:         Index:           2
  72 # CHECK-NEXT:       - Name:            weakGlobal
  73 # CHECK-NEXT:         Kind:            GLOBAL
  74 # CHECK-NEXT:         Index:           1
  75 # CHECK-NEXT:       - Name:            exportWeak2
  76 # CHECK-NEXT:         Kind:            FUNCTION
  77 # CHECK-NEXT:         Index:           3
  78 # CHECK-NEXT:   - Type:            ELEM
  79 # CHECK-NEXT:     Segments:
  80 # CHECK-NEXT:       - Offset:
  81 # CHECK-NEXT:           Opcode:          I32_CONST
  82 # CHECK-NEXT:           Value:           1
  83 # CHECK-NEXT:         Functions:       [ 1 ]
  84 # CHECK-NEXT:   - Type:            CODE
  85 # CHECK-NEXT:     Functions:
  86 # CHECK-NEXT:       - Index:           0
  87 # CHECK-NEXT:         Locals:
  88 # CHECK-NEXT:         Body:            1081808080001A0B
  89 # CHECK-NEXT:       - Index:           1
  90 # CHECK-NEXT:         Locals:
  91 # CHECK-NEXT:         Body:            41010B
  92 # CHECK-NEXT:       - Index:           2
  93 # CHECK-NEXT:         Locals:
  94 # CHECK-NEXT:         Body:            4181808080000B
  95 # CHECK-NEXT:       - Index:           3
  96 # CHECK-NEXT:         Locals:
  97 # CHECK-NEXT:         Body:            4181808080000B
  98 # CHECK-NEXT:   - Type:            DATA
  99 # CHECK-NEXT:     Segments:
 100 # CHECK-NEXT:       - SectionOffset:   7
 101 # CHECK-NEXT:         InitFlags:       0
 102 # CHECK-NEXT:         Offset:
 103 # CHECK-NEXT:           Opcode:          I32_CONST
 104 # CHECK-NEXT:           Value:           1024
 105 # CHECK-NEXT:         Content:         '01000000'
 106 # CHECK-NEXT:   - Type:            CUSTOM
 107 # CHECK-NEXT:     Name:            name
 108 # CHECK-NEXT:     FunctionNames:
 109 # CHECK-NEXT:       - Index:           0
 110 # CHECK-NEXT:         Name:            _start
 111 # CHECK-NEXT:       - Index:           1
 112 # CHECK-NEXT:         Name:            weakFn
 113 # CHECK-NEXT:       - Index:           2
 114 # CHECK-NEXT:         Name:            exportWeak1
 115 # CHECK-NEXT:       - Index:           3
 116 # CHECK-NEXT:         Name:            exportWeak2
 117 # CHECK-NEXT:     GlobalNames:
 118 # CHECK-NEXT:       - Index:           0
 119 # CHECK-NEXT:         Name:            __stack_pointer
 120 # CHECK-NEXT:     DataSegmentNames:
 121 # CHECK-NEXT:       - Index:           0
 122 # CHECK-NEXT:         Name:            .data
 123 # CHECK-NEXT: ...