blob: a8a05b8014238c63ccc0b56865c76d72123b4337 [file] [log] [blame]
# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
# RUN: wasm-ld --experimental-pic -shared --shared-memory -o %t.so %t.o
# RUN: llvm-objdump -d --no-show-raw-insn --no-leading-addr %t.so | FileCheck %s
# RUN: obj2yaml %t.so | FileCheck %s --check-prefix=YAML
.section .bss.foo,"",@
.globl foo
.p2align 2
foo:
.int32 0
.size foo, 4
.section .data.bar,"",@
.globl bar
.p2align 2
bar:
.int32 42
.size bar, 4
.section .custom_section.target_features,"",@
.int8 2
.int8 43
.int8 7
.ascii "atomics"
.int8 43
.int8 11
.ascii "bulk-memory"
# Verify that there is only a single data segment and no bss
# in the binary:
# YAML: - Type: DATA{{$}}
# YAML-NEXT: Segments:
# YAML-NEXT: - SectionOffset: 3
# YAML-NEXT: InitFlags: 1
# YAML-NEXT: Content: 2A000000
# YAML-NEXT: - Type: CUSTOM
# CHECK: <__wasm_init_memory>:
# CHECK-NEXT: .local i32
# CHECK-NEXT: global.get 0
# CHECK-NEXT: i32.const 8
# CHECK-NEXT: i32.add
# CHECK-NEXT: local.set 0
# CHECK-NEXT: block
# CHECK-NEXT: block
# CHECK-NEXT: block
# CHECK-NEXT: local.get 0
# CHECK-NEXT: i32.const 0
# CHECK-NEXT: i32.const 1
# CHECK-NEXT: i32.atomic.rmw.cmpxchg 0
# CHECK-NEXT: br_table {0, 1, 2} # 1: down to label1
# CHECK-NEXT: # 2: down to label0
# CHECK-NEXT: end
# Regular data gets initialized with memory.init
# CHECK-NEXT: i32.const 0
# CHECK-NEXT: global.get 0
# CHECK-NEXT: i32.add
# CHECK-NEXT: i32.const 0
# CHECK-NEXT: i32.const 4
# CHECK-NEXT: memory.init 0, 0
# BSS gets initialized with memory.fill
# CHECK-NEXT: i32.const 4
# CHECK-NEXT: global.get 0
# CHECK-NEXT: i32.add
# CHECK-NEXT: i32.const 0
# CHECK-NEXT: i32.const 4
# CHECK-NEXT: memory.fill 0