lld/test/wasm/wrap.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown %s -o %t.o
   2 # RUN: wasm-ld -wrap nosuchsym -wrap foo -o %t.wasm %t.o
   3 # RUN: wasm-ld -emit-relocs -wrap foo -o %t.wasm %t.o
   4 # RUN: obj2yaml %t.wasm | FileCheck %s
   5
   6 .functype __real_foo () -> (i32)
   7 .globl foo
   8 .globl _start
   9 .globl __wrap_foo
  10
  11 foo:
  12   .functype foo () -> (i32)
  13   i32.const 1
  14   end_function
  15
  16 _start:
  17   .functype _start () -> ()
  18   call  foo
  19   drop
  20   end_function
  21
  22 __wrap_foo:
  23   .functype __wrap_foo () -> (i32)
  24   call  __real_foo
  25   end_function
  26
  27 # CHECK:      - Type:            CODE
  28 # CHECK-NEXT:   Relocations:
  29 # CHECK-NEXT:     - Type:            R_WASM_FUNCTION_INDEX_LEB
  30 # CHECK-NEXT:       Index:           2
  31 # CHECK-NEXT:       Offset:
  32 # CHECK-NEXT:     - Type:            R_WASM_FUNCTION_INDEX_LEB
  33 # CHECK-NEXT:       Index:           0
  34 # CHECK-NEXT:       Offset:
  35
  36 # CHECK:        FunctionNames:
  37 # CHECK-NEXT:      - Index:           0
  38 # CHECK-NEXT:        Name:            foo
  39 # CHECK-NEXT:      - Index:           1
  40 # CHECK-NEXT:        Name:            _start
  41 # CHECK-NEXT:      - Index:           2
  42 # CHECK-NEXT:        Name:            __wrap_foo