blob: 00c92ebeb18234f5f3f79a80dbe4ffdca4a0acfb [file] [log] [blame]
// REQUIRES: aarch64
// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t.o
// RUN: ld.lld --fix-cortex-a53-843419 %t.o -o %t2
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=131072 -stop-address=131084 | FileCheck --check-prefix=CHECK1 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=135168 -stop-address=135172 | FileCheck --check-prefix=CHECK2 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=139256 -stop-address=139272 | FileCheck --check-prefix=CHECK3 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=67256312 -stop-address=67256328 | FileCheck --check-prefix=CHECK4 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=100810760 -stop-address=100810776 | FileCheck --check-prefix=CHECK5 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=134352908 -stop-address=134352912 | FileCheck --check-prefix=CHECK6 %s
// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=134356988 -stop-address=134357012 | FileCheck --check-prefix=CHECK7 %s
// 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: 20000: 50 00 00 58 ldr x16, #8
// CHECK1-NEXT: 20004: 00 02 1f d6 br x16
// CHECK1: $d:
// CHECK1-NEXT: 20008: 0c 10 02 08 .word 0x0802100c
.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: 21000: 00 fc ff 97 bl #-4096
// 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: 21ff8: 60 00 04 f0 adrp x0, #134279168
// CHECK3-NEXT: 21ffc: 21 00 40 f9 ldr x1, [x1]
// CHECK3-NEXT: 22000: 02 08 80 15 b #100671496
// CHECK3-NEXT: 22004: c0 03 5f d6 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: 4023ff8: 60 00 02 b0 adrp x0, #67162112
// CHECK4-NEXT: 4023ffc: 21 00 40 f9 ldr x1, [x1]
// CHECK4-NEXT: 4024000: 04 00 80 14 b #33554448
// CHECK4-NEXT: 4024004: c0 03 5f d6 ret
.section .text.06, "ax", %progbits
.space 32 * 1024 * 1024
// CHECK5: __CortexA53843419_21000:
// CHECK5-NEXT: 6024008: 00 00 40 f9 ldr x0, [x0]
// CHECK5-NEXT: 602400c: fe f7 7f 16 b #-100671496
// CHECK5: __CortexA53843419_4023000:
// CHECK5-NEXT: 6024010: 00 00 00 f9 str x0, [x0]
// CHECK5-NEXT: 6024014: fc ff 7f 17 b #-33554448
.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: 802100c: c0 03 5f d6 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: 8021ffc: 60 00 00 f0 adrp x0, #61440
// CHECK7-NEXT: 8022000: 21 00 40 f9 ldr x1, [x1]
// CHECK7-NEXT: 8022004: 02 00 00 14 b #8
// CHECK7-NEXT: 8022008: c0 03 5f d6 ret
// CHECK7: __CortexA53843419_8022004:
// CHECK7-NEXT: 802200c: 00 00 40 f9 ldr x0, [x0]
// CHECK7-NEXT: 8022010: fe ff ff 17 b #-8
.section .data
.globl dat
dat: .quad 0