lld/test/wasm/no-tls.s

   1 # Testing that __tls_size and __tls_align are correctly emitted when there are
   2 # no thread_local variables.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
   5
   6 .globl  _start
   7 _start:
   8   .functype _start () -> ()
   9   end_function
  10
  11 .section  .custom_section.target_features,"",@
  12   .int8 2
  13   .int8 43
  14   .int8 7
  15   .ascii  "atomics"
  16   .int8 43
  17   .int8 11
  18   .ascii  "bulk-memory"
  19
  20 # RUN: wasm-ld -no-gc-sections --shared-memory --max-memory=131072 --allow-undefined -o %t.wasm %t.o
  21 # RUN: obj2yaml %t.wasm | FileCheck %s
  22 # CHECK:       - Type:            GLOBAL
  23 # CHECK-NEXT:    Globals:
  24
  25 # __stack_pointer
  26 # CHECK-NEXT:      - Index:           0
  27 # CHECK-NEXT:        Type:            I32
  28 # CHECK-NEXT:        Mutable:         true
  29 # CHECK-NEXT:        InitExpr:
  30 # CHECK-NEXT:          Opcode:          I32_CONST
  31 # CHECK-NEXT:          Value:           66560
  32
  33 # __tls_base
  34 # CHECK-NEXT:      - Index:           1
  35 # CHECK-NEXT:        Type:            I32
  36 # CHECK-NEXT:        Mutable:         true
  37 # CHECK-NEXT:        InitExpr:
  38 # CHECK-NEXT:          Opcode:          I32_CONST
  39 # CHECK-NEXT:          Value:           0
  40
  41 # __tls_size
  42 # CHECK-NEXT:      - Index:           2
  43 # CHECK-NEXT:        Type:            I32
  44 # CHECK-NEXT:        Mutable:         false
  45 # CHECK-NEXT:        InitExpr:
  46 # CHECK-NEXT:          Opcode:          I32_CONST
  47 # CHECK-NEXT:          Value:           0
  48
  49 # __tls_align
  50 # CHECK-NEXT:      - Index:           3
  51 # CHECK-NEXT:        Type:            I32
  52 # CHECK-NEXT:        Mutable:         false
  53 # CHECK-NEXT:        InitExpr:
  54 # CHECK-NEXT:          Opcode:          I32_CONST
  55 # CHECK-NEXT:          Value:           0