| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-pc-linux %s -o %t.o |
| // RUN: ld.lld --hash-style=sysv -shared %t.o -o %t.so |
| // RUN: llvm-objdump -d %t.so | FileCheck %s |
| // RUN: llvm-readobj -r %t.so | FileCheck --check-prefix=REL %s |
| |
| .text |
| adrp x0, :tlsdesc:a |
| ldr x1, [x0, :tlsdesc_lo12:a] |
| add x0, x0, :tlsdesc_lo12:a |
| .tlsdesccall a |
| blr x1 |
| |
| // Create relocation against local TLS symbols where linker should |
| // create target specific dynamic TLSDESC relocation where addend is |
| // the symbol VMA in tls block. |
| |
| // CHECK: 10000: {{.*}} adrp x0, #65536 |
| // CHECK-NEXT: 10004: {{.*}} ldr x1, [x0, #144] |
| // CHECK-NEXT: 10008: {{.*}} add x0, x0, #144 |
| // CHECK-NEXT: 1000c: {{.*}} blr x1 |
| |
| adrp x0, :tlsdesc:local1 |
| ldr x1, [x0, :tlsdesc_lo12:local1] |
| add x0, x0, :tlsdesc_lo12:local1 |
| .tlsdesccall a |
| blr x1 |
| |
| // CHECK: 10010: {{.*}} adrp x0, #65536 |
| // CHECK-NEXT: 10014: {{.*}} ldr x1, [x0, #160] |
| // CHECK-NEXT: 10018: {{.*}} add x0, x0, #160 |
| // CHECK-NEXT: 1001c: {{.*}} blr x1 |
| |
| adrp x0, :tlsdesc:local2 |
| ldr x1, [x0, :tlsdesc_lo12:local2] |
| add x0, x0, :tlsdesc_lo12:local2 |
| .tlsdesccall a |
| blr x1 |
| |
| // CHECK: 10020: {{.*}} adrp x0, #65536 |
| // CHECK-NEXT: 10024: {{.*}} ldr x1, [x0, #176] |
| // CHECK-NEXT: 10028: {{.*}} add x0, x0, #176 |
| // CHECK-NEXT: 1002c: {{.*}} blr x1 |
| |
| .section .tbss,"awT",@nobits |
| .type local1,@object |
| .p2align 2 |
| local1: |
| .word 0 |
| .size local1, 4 |
| |
| .type local2,@object |
| .p2align 3 |
| local2: |
| .xword 0 |
| .size local2, 8 |
| |
| |
| // 0x1000 + 4096 + 160 = 0x20A0 |
| // 0x1000 + 4096 + 176 = 0x20B0 |
| // 0x1000 + 4096 + 144 = 0x2090 |
| |
| // R_AARCH64_TLSDESC - 0x0 -> start of tls block |
| // R_AARCH64_TLSDESC - 0x8 -> align (sizeof (local1), 8) |
| |
| // REL: Relocations [ |
| // REL-NEXT: Section (4) .rela.dyn { |
| // REL-NEXT: 0x200A0 R_AARCH64_TLSDESC - 0x0 |
| // REL-NEXT: 0x200B0 R_AARCH64_TLSDESC - 0x8 |
| // REL-NEXT: 0x20090 R_AARCH64_TLSDESC a 0x0 |
| // REL-NEXT: } |
| // REL-NEXT: ] |
