| // REQUIRES: aarch64 |
| // RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t.o |
| // RUN: ld.lld --fix-cortex-a53-843419 -z separate-code %t.o -o %t2 |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x210000 --stop-address=0x21000c | FileCheck --check-prefix=CHECK1 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x211000 --stop-address=0x211004 | FileCheck --check-prefix=CHECK2 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x211ff8 --stop-address=0x212008 | FileCheck --check-prefix=CHECK3 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x4213ff8 --stop-address=0x4214008 | FileCheck --check-prefix=CHECK4 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x6214008 --stop-address=0x6214018 | FileCheck --check-prefix=CHECK5 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x821100c --stop-address=0x8211010 | FileCheck --check-prefix=CHECK6 %s |
| // RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=0x8211ffc --stop-address=0x8212014 | FileCheck --check-prefix=CHECK7 %s |
| // RUN: rm %t.o %t2 |
| // Test case for Cortex-A53 Erratum 843419 in an OutputSection exceeding |
| // the maximum branch range. Both range extension thunks and patches are |
| // required. |
| |
| // CHECK1: <__AArch64AbsLongThunk_need_thunk_after_patch>: |
| // CHECK1-NEXT: 210000: 58000050 ldr x16, 0x210008 |
| // CHECK1-NEXT: 210004: d61f0200 br x16 |
| // CHECK1: <$d>: |
| // CHECK1-NEXT: 210008: 0c 10 21 08 .word 0x0821100c |
| |
| .section .text.01, "ax", %progbits |
| .balign 4096 |
| .globl _start |
| .type _start, %function |
| _start: |
| // Expect thunk on pass 2 |
| bl need_thunk_after_patch |
| .section .text.02, "ax", %progbits |
| .space 4096 - 12 |
| |
| // CHECK2: <_start>: |
| // CHECK2-NEXT: 211000: 97fffc00 bl 0x210000 |
| |
| // Expect patch on pass 1 |
| .section .text.03, "ax", %progbits |
| .globl t3_ff8_ldr |
| .type t3_ff8_ldr, %function |
| t3_ff8_ldr: |
| adrp x0, dat |
| ldr x1, [x1, #0] |
| ldr x0, [x0, :got_lo12:dat] |
| ret |
| |
| // CHECK3: <t3_ff8_ldr>: |
| // CHECK3-NEXT: 211ff8: f00400e0 adrp x0, 0x8230000 |
| // CHECK3-NEXT: 211ffc: f9400021 ldr x1, [x1] |
| // CHECK3-NEXT: 212000: 15800802 b 0x6214008 |
| // CHECK3-NEXT: 212004: d65f03c0 ret |
| |
| .section .text.04, "ax", %progbits |
| .space 64 * 1024 * 1024 |
| |
| // Expect patch on pass 1 |
| .section .text.05, "ax", %progbits |
| .balign 4096 |
| .space 4096 - 8 |
| .globl t3_ff8_str |
| .type t3_ff8_str, %function |
| t3_ff8_str: |
| adrp x0, dat |
| ldr x1, [x1, #0] |
| str x0, [x0, :got_lo12:dat] |
| ret |
| |
| // CHECK4: <t3_ff8_str>: |
| // CHECK4-NEXT: 4213ff8: b00200e0 adrp x0, 0x8230000 |
| // CHECK4-NEXT: 4213ffc: f9400021 ldr x1, [x1] |
| // CHECK4-NEXT: 4214000: 14800004 b 0x6214010 |
| // CHECK4-NEXT: 4214004: d65f03c0 ret |
| |
| .section .text.06, "ax", %progbits |
| .space 32 * 1024 * 1024 |
| |
| // CHECK5: <__CortexA53843419_211000>: |
| // CHECK5-NEXT: 6214008: f9400000 ldr x0, [x0] |
| // CHECK5-NEXT: 621400c: 167ff7fe b 0x212004 |
| // CHECK5: <__CortexA53843419_4213000>: |
| // CHECK5-NEXT: 6214010: f9000000 str x0, [x0] |
| // CHECK5-NEXT: 6214014: 177ffffc b 0x4214004 |
| |
| .section .text.07, "ax", %progbits |
| .space (32 * 1024 * 1024) - 12300 |
| |
| .section .text.08, "ax", %progbits |
| .globl need_thunk_after_patch |
| .type need_thunk_after_patch, %function |
| need_thunk_after_patch: |
| ret |
| |
| // CHECK6: <need_thunk_after_patch>: |
| // CHECK6-NEXT: 821100c: d65f03c0 ret |
| |
| // Will need a patch on pass 2 |
| .section .text.09, "ax", %progbits |
| .space 4096 - 20 |
| .globl t3_ffc_ldr |
| .type t3_ffc_ldr, %function |
| t3_ffc_ldr: |
| adrp x0, dat |
| ldr x1, [x1, #0] |
| ldr x0, [x0, :got_lo12:dat] |
| ret |
| |
| // CHECK7: <t3_ffc_ldr>: |
| // CHECK7-NEXT: 8211ffc: f00000e0 adrp x0, 0x8230000 |
| // CHECK7-NEXT: 8212000: f9400021 ldr x1, [x1] |
| // CHECK7-NEXT: 8212004: 14000002 b 0x821200c |
| // CHECK7-NEXT: 8212008: d65f03c0 ret |
| // CHECK7: <__CortexA53843419_8212004>: |
| // CHECK7-NEXT: 821200c: f9400000 ldr x0, [x0] |
| // CHECK7-NEXT: 8212010: 17fffffe b 0x8212008 |
| |
| .section .data |
| .globl dat |
| dat: .quad 0 |