llvm-project/lld/test/ELF/aarch64-undefined-weak.s

50 lines
1.4 KiB
ArmAsm

// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t
// RUN: ld.lld %t -o %t2 2>&1
// RUN: llvm-objdump -triple=aarch64-none-linux -d %t2 | FileCheck %s
// REQUIRES: aarch64
// Check that the ARM 64-bit ABI rules for undefined weak symbols are applied.
// Branch instructions are resolved to the next instruction. Undefined
// Symbols in relative are resolved to the place so S - P + A = A.
.weak target
.text
.global _start
_start:
// R_AARCH64_JUMP26
b target
// R_AARCH64_CALL26
bl target
// R_AARCH64_CONDBR19
b.eq target
// R_AARCH64_TSTBR14
cbz x1, target
// R_AARCH64_ADR_PREL_LO21
adr x0, target
// R_AARCH64_ADR_PREL_PG_HI21
adrp x0, target
// R_AARCH64_PREL32
.word target - .
// R_AARCH64_PREL64
.xword target - .
// R_AARCH64_PREL16
.hword target - .
// R_AARCH64_LD_PREL_LO19
ldr x8, target
// CHECK: Disassembly of section .text:
// 131072 = 0x20000
// CHECK: 20000: {{.*}} b #4
// CHECK-NEXT: 20004: {{.*}} bl #4
// CHECK-NEXT: 20008: {{.*}} b.eq #4
// CHECK-NEXT: 2000c: {{.*}} cbz x1, #4
// CHECK-NEXT: 20010: {{.*}} adr x0, #0
// CHECK-NEXT: 20014: {{.*}} adrp x0, #-131072
// CHECK: 20018: {{.*}} .word 0x00000000
// CHECK-NEXT: 2001c: {{.*}} .word 0x00000000
// CHECK-NEXT: 20020: {{.*}} .word 0x00000000
// CHECK-NEXT: 20024: {{.*}} .short 0x0000
// CHECK: $x.2:
// CHECK-NEXT: 20026: {{.*}} ldr x8, #0