lld/test/wasm/stack-pointer.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
   2 # RUN: wasm-ld --relocatable -o %t.wasm %t.o
   3 # RUN: obj2yaml %t.wasm | FileCheck %s
   4
   5 .globaltype __stack_pointer, i32
   6
   7 .globl  _start
   8 _start:
   9   .functype _start () -> (i32)
  10   global.get __stack_pointer
  11   i32.const 16
  12   i32.sub
  13   drop
  14   i32.const 0
  15   end_function
  16
  17 # CHECK:      --- !WASM
  18 # CHECK-NEXT: FileHeader:
  19 # CHECK-NEXT:   Version:         0x1
  20 # CHECK-NEXT: Sections:
  21 # CHECK-NEXT:   - Type:            TYPE
  22 # CHECK-NEXT:     Signatures:
  23 # CHECK-NEXT:       - Index:           0
  24 # CHECK-NEXT:         ParamTypes:
  25 # CHECK-NEXT:         ReturnTypes:
  26 # CHECK-NEXT:           - I32
  27 # CHECK-NEXT:   - Type:            IMPORT
  28 # CHECK-NEXT:     Imports:
  29 # CHECK-NEXT:       - Module:          env
  30 # CHECK-NEXT:         Field:           __stack_pointer
  31 # CHECK-NEXT:         Kind:            GLOBAL
  32 # CHECK-NEXT:         GlobalType:      I32
  33 # CHECK-NEXT:         GlobalMutable:   true
  34 # CHECK-NEXT:   - Type:            FUNCTION
  35 # CHECK-NEXT:     FunctionTypes:   [ 0 ]
  36 # CHECK-NEXT:   - Type:            MEMORY
  37 # CHECK-NEXT:     Memories:
  38 # CHECK-NEXT:       - Minimum:         0x0
  39 # CHECK-NEXT:   - Type:            CODE
  40 # CHECK-NEXT:     Relocations:
  41 # CHECK-NEXT:       - Type:            R_WASM_GLOBAL_INDEX_LEB
  42 # CHECK-NEXT:         Index:           1
  43 # CHECK-NEXT:         Offset:          0x4
  44 # CHECK-NEXT:     Functions:
  45 # CHECK-NEXT:       - Index:           0
  46 # CHECK-NEXT:         Locals:
  47 # CHECK-NEXT:         Body:            23808080800041106B1A41000B
  48 # CHECK-NEXT:   - Type:            CUSTOM
  49 # CHECK-NEXT:     Name:            linking
  50 # CHECK-NEXT:     Version:         2
  51 # CHECK-NEXT:     SymbolTable:
  52 # CHECK-NEXT:       - Index:           0
  53 # CHECK-NEXT:         Kind:            FUNCTION
  54 # CHECK-NEXT:         Name:            _start
  55 # CHECK-NEXT:         Flags:           [  ]
  56 # CHECK-NEXT:         Function:        0
  57 # CHECK-NEXT:       - Index:           1
  58 # CHECK-NEXT:         Kind:            GLOBAL
  59 # CHECK-NEXT:         Name:            __stack_pointer
  60 # CHECK-NEXT:         Flags:           [ UNDEFINED ]
  61 # CHECK-NEXT:         Global:          0
  62 # CHECK-NEXT:   - Type:            CUSTOM
  63 # CHECK-NEXT:     Name:            name
  64 # CHECK-NEXT:     FunctionNames:
  65 # CHECK-NEXT:       - Index:           0
  66 # CHECK-NEXT:         Name:            _start
  67 # CHECK-NEXT:     GlobalNames:
  68 # CHECK-NEXT:       - Index:           0
  69 # CHECK-NEXT:         Name:            __stack_pointer
  70 # CHECK-NEXT: ...