llvm-project/lld/test/wasm/reloc-addend.s

43 lines
1.2 KiB
ArmAsm

# RUN: llvm-mc -filetype=obj -triple=wasm32-unknown-unknown -o %t.o %s
# RUN: wasm-ld -r -o %t.wasm %t.o
# RUN: obj2yaml %t.wasm | FileCheck %s
.hidden foo
.hidden bar
.globl foo
.globl bar
# Similar to what would be generated from: `int foo[76]`
.section .bss.foo,"",@
.p2align 4
foo:
.skip 304
.size foo, 304
# bar contains a pointer to the 16th element of foo, which happens to be 64
# bytes in. This generates an addend of 64 which is the value at which signed
# and unsigned LEB encodes will differ.
.section .data.bar,"",@
.p2align 2
bar:
.int32 foo+64
.size bar, 4
# Check that negative addends also work here
.section .data.negative_addend,"",@
.p2align 2
negative_addend:
.int32 foo-16
.size negative_addend, 4
# CHECK: - Type: DATA
# CHECK-NEXT: Relocations:
# CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_I32
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0x6
# CHECK-NEXT: Addend: 64
# CHECK-NEXT: - Type: R_WASM_MEMORY_ADDR_I32
# CHECK-NEXT: Index: 0
# CHECK-NEXT: Offset: 0xF
# CHECK-NEXT: Addend: -16