1// REQUIRES: aarch64 2// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t.o 3// RUN: ld.lld --fix-cortex-a53-843419 -z separate-code %t.o -o %t2 4// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=2162688 --stop-address=2162700 | FileCheck --check-prefix=CHECK1 %s 5// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=2166784 --stop-address=2166788 | FileCheck --check-prefix=CHECK2 %s 6// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=2170872 --stop-address=2170888 | FileCheck --check-prefix=CHECK3 %s 7// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=69287928 --stop-address=69287944 | FileCheck --check-prefix=CHECK4 %s 8// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=102842376 --stop-address=102842392 | FileCheck --check-prefix=CHECK5 %s 9// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=136384524 --stop-address=136384528 | FileCheck --check-prefix=CHECK6 %s 10// RUN: llvm-objdump --triple=aarch64-linux-gnu -d %t2 --start-address=136388604 --stop-address=136388628 | FileCheck --check-prefix=CHECK7 %s 11// RUN: rm %t.o %t2 12// Test case for Cortex-A53 Erratum 843419 in an OutputSection exceeding 13// the maximum branch range. Both range extension thunks and patches are 14// required. 15 16// CHECK1: <__AArch64AbsLongThunk_need_thunk_after_patch>: 17// CHECK1-NEXT: 210000: 50 00 00 58 ldr x16, 0x210008 18// CHECK1-NEXT: 210004: 00 02 1f d6 br x16 19// CHECK1: <$d>: 20// CHECK1-NEXT: 210008: 0c 10 21 08 .word 0x0821100c 21 22 .section .text.01, "ax", %progbits 23 .balign 4096 24 .globl _start 25 .type _start, %function 26_start: 27 // Expect thunk on pass 2 28 bl need_thunk_after_patch 29 .section .text.02, "ax", %progbits 30 .space 4096 - 12 31 32// CHECK2: <_start>: 33// CHECK2-NEXT: 211000: 00 fc ff 97 bl 0x210000 34 35 // Expect patch on pass 1 36 .section .text.03, "ax", %progbits 37 .globl t3_ff8_ldr 38 .type t3_ff8_ldr, %function 39t3_ff8_ldr: 40 adrp x0, dat 41 ldr x1, [x1, #0] 42 ldr x0, [x0, :got_lo12:dat] 43 ret 44 45// CHECK3: <t3_ff8_ldr>: 46// CHECK3-NEXT: 211ff8: e0 00 04 f0 adrp x0, #134344704 47// CHECK3-NEXT: 211ffc: 21 00 40 f9 ldr x1, [x1] 48// CHECK3-NEXT: 212000: 02 08 80 15 b 0x6214008 49// CHECK3-NEXT: 212004: c0 03 5f d6 ret 50 51 .section .text.04, "ax", %progbits 52 .space 64 * 1024 * 1024 53 54 // Expect patch on pass 1 55 .section .text.05, "ax", %progbits 56 .balign 4096 57 .space 4096 - 8 58 .globl t3_ff8_str 59 .type t3_ff8_str, %function 60t3_ff8_str: 61 adrp x0, dat 62 ldr x1, [x1, #0] 63 str x0, [x0, :got_lo12:dat] 64 ret 65 66// CHECK4: <t3_ff8_str>: 67// CHECK4-NEXT: 4213ff8: e0 00 02 b0 adrp x0, #67227648 68// CHECK4-NEXT: 4213ffc: 21 00 40 f9 ldr x1, [x1] 69// CHECK4-NEXT: 4214000: 04 00 80 14 b 0x6214010 70// CHECK4-NEXT: 4214004: c0 03 5f d6 ret 71 72 .section .text.06, "ax", %progbits 73 .space 32 * 1024 * 1024 74 75// CHECK5: <__CortexA53843419_211000>: 76// CHECK5-NEXT: 6214008: 00 00 40 f9 ldr x0, [x0] 77// CHECK5-NEXT: 621400c: fe f7 7f 16 b 0x212004 78// CHECK5: <__CortexA53843419_4213000>: 79// CHECK5-NEXT: 6214010: 00 00 00 f9 str x0, [x0] 80// CHECK5-NEXT: 6214014: fc ff 7f 17 b 0x4214004 81 82 .section .text.07, "ax", %progbits 83 .space (32 * 1024 * 1024) - 12300 84 85 .section .text.08, "ax", %progbits 86 .globl need_thunk_after_patch 87 .type need_thunk_after_patch, %function 88need_thunk_after_patch: 89 ret 90 91// CHECK6: <need_thunk_after_patch>: 92// CHECK6-NEXT: 821100c: c0 03 5f d6 ret 93 94 // Will need a patch on pass 2 95 .section .text.09, "ax", %progbits 96 .space 4096 - 20 97 .globl t3_ffc_ldr 98 .type t3_ffc_ldr, %function 99t3_ffc_ldr: 100 adrp x0, dat 101 ldr x1, [x1, #0] 102 ldr x0, [x0, :got_lo12:dat] 103 ret 104 105// CHECK7: <t3_ffc_ldr>: 106// CHECK7-NEXT: 8211ffc: e0 00 00 f0 adrp x0, #126976 107// CHECK7-NEXT: 8212000: 21 00 40 f9 ldr x1, [x1] 108// CHECK7-NEXT: 8212004: 02 00 00 14 b 0x821200c 109// CHECK7-NEXT: 8212008: c0 03 5f d6 ret 110// CHECK7: <__CortexA53843419_8212004>: 111// CHECK7-NEXT: 821200c: 00 00 40 f9 ldr x0, [x0] 112// CHECK7-NEXT: 8212010: fe ff ff 17 b 0x8212008 113 114 .section .data 115 .globl dat 116dat: .quad 0 117