1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88
|
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
.section data,"",@
.int32 41
data_sym:
.int32 42
.size data_sym, 4
# TLS data section of size 16 with as relocations at offset 8 and 12
.section tls_sec,"T",@
.globl tls_sym
.p2align 2
.int32 0x50
tls_sym:
.int32 0x51
.int32 data_sym
.int32 tls_sym
.size tls_sym, 4
.section .custom_section.target_features,"",@
.int8 2
.int8 43
.int8 7
.ascii "atomics"
.int8 43
.int8 11
.ascii "bulk-memory"
# RUN: wasm-ld --experimental-pic -pie -no-gc-sections --shared-memory --no-entry -o %t.wasm %t.o
# RUN: obj2yaml %t.wasm | FileCheck %s
# RUN: llvm-objdump -d --no-show-raw-insn --no-leading-addr %t.wasm | FileCheck --check-prefix=ASM %s --
# CHECK: - Type: GLOBAL
# __tls_base
# CHECK-NEXT: Globals:
# CHECK-NEXT: - Index: 3
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: true
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 0
# __tls_size
# CHECK-NEXT: - Index: 4
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: false
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 16
# __tls_align
# CHECK-NEXT: - Index: 5
# CHECK-NEXT: Type: I32
# CHECK-NEXT: Mutable: false
# CHECK-NEXT: InitExpr:
# CHECK-NEXT: Opcode: I32_CONST
# CHECK-NEXT: Value: 4
# ASM: <__wasm_init_tls>:
# ASM-EMPTY:
# ASM-NEXT: local.get 0
# ASM-NEXT: global.set 3
# ASM-NEXT: local.get 0
# ASM-NEXT: i32.const 0
# ASM-NEXT: i32.const 16
# ASM-NEXT: memory.init 0, 0
# call to __wasm_apply_tls_relocs
# ASM-NEXT: call 4
# ASM-NEXT: end
# ASM: <__wasm_apply_tls_relocs>:
# ASM-EMPTY:
# ASM-NEXT: i32.const 8
# ASM-NEXT: global.get 3
# ASM-NEXT: i32.add
# ASM-NEXT: global.get 1
# ASM-NEXT: i32.const 20
# ASM-NEXT: i32.add
# ASM-NEXT: i32.store 0
# ASM-NEXT: i32.const 12
# ASM-NEXT: global.get 3
# ASM-NEXT: i32.add
# ASM-NEXT: global.get 3
# ASM-NEXT: i32.const 4
# ASM-NEXT: i32.add
# ASM-NEXT: i32.store 0
# ASM-NEXT: end
|