llvm/test/MC/WebAssembly/tls.s

   1 # RUN: llvm-mc -triple=wasm32-unknown-unknown < %s | FileCheck %s
   2 # RUN: llvm-mc -triple=wasm32-unknown-unknown -filetype=obj -o %t.o < %s
   3 # RUN: obj2yaml %t.o | FileCheck %s --check-prefix=CHECK-OBJ
   4
   5 .globaltype __tls_base, i32
   6
   7 tls_store:
   8   .functype tls_store (i32) -> ()
   9   # CHECK: global.get __tls_base
  10   # CHECK-NEXT: i32.const tls1@TLSREL
  11   # CHECK-NEXT: i32.add
  12   # CHECK-NEXT: local.get 0
  13   # CHECK-NEXT: i32.store 0
  14   global.get __tls_base
  15   i32.const tls1@TLSREL
  16   i32.add
  17   local.get 0
  18   i32.store 0
  19   end_function
  20
  21 tls_get_undefined:
  22   .functype tls_get_undefined (i32) -> (i32)
  23   global.get tls_undefined@GOT@TLS
  24   end_function
  25
  26 .section .tls.foo,"T",@
  27 # CHECK: .tls.foo,"T",@
  28 tls1:
  29   .int32 42
  30   .size tls1, 4
  31
  32 .section custom_tls,"T",@
  33 # CHECK: custom_tls,"T",@
  34 tls2:
  35   .int32 43
  36   .size tls2, 4
  37
  38 #      CHECK-OBJ:  - Type:            CODE
  39 # CHECK-OBJ-NEXT:    Relocations:
  40 # CHECK-OBJ-NEXT:      - Type:            R_WASM_GLOBAL_INDEX_LEB
  41 # CHECK-OBJ-NEXT:        Index:           1
  42 # CHECK-OBJ-NEXT:        Offset:          0x4
  43 # CHECK-OBJ-NEXT:      - Type:            R_WASM_MEMORY_ADDR_TLS_SLEB
  44 # CHECK-OBJ-NEXT:        Index:           2
  45 # CHECK-OBJ-NEXT:        Offset:          0xA
  46 # CHECK-OBJ-NEXT:      - Type:            R_WASM_GLOBAL_INDEX_LEB
  47 # CHECK-OBJ-NEXT:        Index:           4
  48 # CHECK-OBJ-NEXT:        Offset:          0x19
  49
  50 #      CHECK-OBJ:  - Type:            CUSTOM
  51 # CHECK-OBJ-NEXT:    Name:            linking
  52 # CHECK-OBJ-NEXT:    Version:         2
  53 # CHECK-OBJ-NEXT:    SymbolTable:
  54 # CHECK-OBJ-NEXT:      - Index:           0
  55 # CHECK-OBJ-NEXT:        Kind:            FUNCTION
  56 # CHECK-OBJ-NEXT:        Name:            tls_store
  57 # CHECK-OBJ-NEXT:        Flags:           [ BINDING_LOCAL ]
  58 # CHECK-OBJ-NEXT:        Function:        0
  59 # CHECK-OBJ-NEXT:      - Index:           1
  60 # CHECK-OBJ-NEXT:        Kind:            GLOBAL
  61 # CHECK-OBJ-NEXT:        Name:            __tls_base
  62 # CHECK-OBJ-NEXT:        Flags:           [ UNDEFINED ]
  63 # CHECK-OBJ-NEXT:        Global:          0
  64 # CHECK-OBJ-NEXT:      - Index:           2
  65 # CHECK-OBJ-NEXT:        Kind:            DATA
  66 # CHECK-OBJ-NEXT:        Name:            tls1
  67 # CHECK-OBJ-NEXT:        Flags:           [ BINDING_LOCAL, TLS ]
  68 # CHECK-OBJ-NEXT:        Segment:         0
  69 # CHECK-OBJ-NEXT:        Size:            4
  70 # CHECK-OBJ-NEXT:      - Index:           3
  71 # CHECK-OBJ-NEXT:        Kind:            FUNCTION
  72 # CHECK-OBJ-NEXT:        Name:            tls_get_undefined
  73 # CHECK-OBJ-NEXT:        Flags:           [ BINDING_LOCAL ]
  74 # CHECK-OBJ-NEXT:        Function:        1
  75 # CHECK-OBJ-NEXT:      - Index:           4
  76 # CHECK-OBJ-NEXT:        Kind:            DATA
  77 # CHECK-OBJ-NEXT:        Name:            tls_undefined
  78 # CHECK-OBJ-NEXT:        Flags:           [ UNDEFINED, TLS ]
  79 # CHECK-OBJ-NEXT:      - Index:           5
  80 # CHECK-OBJ-NEXT:        Kind:            DATA
  81 # CHECK-OBJ-NEXT:        Name:            tls2
  82 # CHECK-OBJ-NEXT:        Flags:           [ BINDING_LOCAL, TLS ]
  83 # CHECK-OBJ-NEXT:        Segment:         1
  84 # CHECK-OBJ-NEXT:        Size:            4
  85 # CHECK-OBJ-NEXT:    SegmentInfo:
  86 # CHECK-OBJ-NEXT:      - Index:           0
  87 # CHECK-OBJ-NEXT:        Name:            .tls.foo
  88 # CHECK-OBJ-NEXT:        Alignment:       0
  89 # CHECK-OBJ-NEXT:        Flags:           [ TLS ]
  90 # CHECK-OBJ-NEXT:      - Index:           1
  91 # CHECK-OBJ-NEXT:        Name:            custom_tls
  92 # CHECK-OBJ-NEXT:        Alignment:       0
  93 # CHECK-OBJ-NEXT:        Flags:           [ TLS ]