lld/test/wasm/shared-weak-undefined.s

   1 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
   2 # RUN: wasm-ld --experimental-pic -shared -o %t.wasm %t.o
   3 # RUN: obj2yaml %t.wasm | FileCheck %s
   4 # RUN: llvm-objdump -d %t.wasm | FileCheck %s -check-prefix=ASM
   5
   6 # Verify the weak undefined symbols are marked as such in the
   7 # dylink section.
   8
   9 .weak weak_func
  10 .functype weak_func () -> (i32)
  11
  12 .globl call_weak
  13 call_weak:
  14 # ASM: <call_weak>:
  15   .functype call_weak () -> (i32)
  16   call weak_func
  17 # ASM:           10 80 80 80 80 00      call  0
  18   end_function
  19 # ASM-NEXT:      0b                     end
  20
  21 #      CHECK: Sections:
  22 # CHECK-NEXT:   - Type:            CUSTOM
  23 # CHECK-NEXT:     Name:            dylink.0
  24 # CHECK-NEXT:     MemorySize:      0
  25 # CHECK-NEXT:     MemoryAlignment: 0
  26 # CHECK-NEXT:     TableSize:       0
  27 # CHECK-NEXT:     TableAlignment:  0
  28 # CHECK-NEXT:     Needed:          []
  29 # CHECK-NEXT:     ImportInfo:
  30 # CHECK-NEXT:       - Module:          env
  31 # CHECK-NEXT:         Field:           weak_func
  32 # CHECK-NEXT:         Flags:           [ BINDING_WEAK, UNDEFINED ]