| // REQUIRES: aarch64 |
| // 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 |
| |
| // 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 |
