116 lines
4.5 KiB
ArmAsm
116 lines
4.5 KiB
ArmAsm
// REQUIRES: aarch64
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// RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux %s -o %t.o
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// RUN: ld.lld --fix-cortex-a53-843419 %t.o -o %t2
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=131072 -stop-address=131084 | FileCheck --check-prefix=CHECK1 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=135168 -stop-address=135172 | FileCheck --check-prefix=CHECK2 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=139256 -stop-address=139272 | FileCheck --check-prefix=CHECK3 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=67256312 -stop-address=67256328 | FileCheck --check-prefix=CHECK4 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=100810760 -stop-address=100810776 | FileCheck --check-prefix=CHECK5 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=134352908 -stop-address=134352912 | FileCheck --check-prefix=CHECK6 %s
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// RUN: llvm-objdump -triple=aarch64-linux-gnu -d %t2 -start-address=134356988 -stop-address=134357012 | FileCheck --check-prefix=CHECK7 %s
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// Test case for Cortex-A53 Erratum 843419 in an OutputSection exceeding
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// the maximum branch range. Both range extension thunks and patches are
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// required.
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// CHECK1: __AArch64AbsLongThunk_need_thunk_after_patch:
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// CHECK1-NEXT: 20000: 50 00 00 58 ldr x16, #8
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// CHECK1-NEXT: 20004: 00 02 1f d6 br x16
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// CHECK1: $d:
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// CHECK1-NEXT: 20008: 0c 10 02 08 .word 0x0802100c
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.section .text.01, "ax", %progbits
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.balign 4096
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.globl _start
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.type _start, %function
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_start:
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// Expect thunk on pass 2
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bl need_thunk_after_patch
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.section .text.02, "ax", %progbits
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.space 4096 - 12
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// CHECK2: _start:
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// CHECK2-NEXT: 21000: 00 fc ff 97 bl #-4096
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// Expect patch on pass 1
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.section .text.03, "ax", %progbits
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.globl t3_ff8_ldr
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.type t3_ff8_ldr, %function
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t3_ff8_ldr:
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adrp x0, dat
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ldr x1, [x1, #0]
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ldr x0, [x0, :got_lo12:dat]
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ret
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// CHECK3: t3_ff8_ldr:
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// CHECK3-NEXT: 21ff8: 60 00 04 f0 adrp x0, #134279168
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// CHECK3-NEXT: 21ffc: 21 00 40 f9 ldr x1, [x1]
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// CHECK3-NEXT: 22000: 02 08 80 15 b #100671496
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// CHECK3-NEXT: 22004: c0 03 5f d6 ret
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.section .text.04, "ax", %progbits
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.space 64 * 1024 * 1024
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// Expect patch on pass 1
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.section .text.05, "ax", %progbits
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.balign 4096
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.space 4096 - 8
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.globl t3_ff8_str
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.type t3_ff8_str, %function
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t3_ff8_str:
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adrp x0, dat
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ldr x1, [x1, #0]
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str x0, [x0, :got_lo12:dat]
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ret
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// CHECK4: t3_ff8_str:
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// CHECK4-NEXT: 4023ff8: 60 00 02 b0 adrp x0, #67162112
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// CHECK4-NEXT: 4023ffc: 21 00 40 f9 ldr x1, [x1]
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// CHECK4-NEXT: 4024000: 04 00 80 14 b #33554448
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// CHECK4-NEXT: 4024004: c0 03 5f d6 ret
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.section .text.06, "ax", %progbits
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.space 32 * 1024 * 1024
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// CHECK5: __CortexA53843419_21000:
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// CHECK5-NEXT: 6024008: 00 00 40 f9 ldr x0, [x0]
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// CHECK5-NEXT: 602400c: fe f7 7f 16 b #-100671496
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// CHECK5: __CortexA53843419_4023000:
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// CHECK5-NEXT: 6024010: 00 00 00 f9 str x0, [x0]
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// CHECK5-NEXT: 6024014: fc ff 7f 17 b #-33554448
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.section .text.07, "ax", %progbits
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.space (32 * 1024 * 1024) - 12300
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.section .text.08, "ax", %progbits
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.globl need_thunk_after_patch
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.type need_thunk_after_patch, %function
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need_thunk_after_patch:
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ret
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// CHECK6: need_thunk_after_patch:
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// CHECK6-NEXT: 802100c: c0 03 5f d6 ret
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// Will need a patch on pass 2
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.section .text.09, "ax", %progbits
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.space 4096 - 20
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.globl t3_ffc_ldr
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.type t3_ffc_ldr, %function
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t3_ffc_ldr:
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adrp x0, dat
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ldr x1, [x1, #0]
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ldr x0, [x0, :got_lo12:dat]
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ret
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// CHECK7: t3_ffc_ldr:
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// CHECK7-NEXT: 8021ffc: 60 00 00 f0 adrp x0, #61440
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// CHECK7-NEXT: 8022000: 21 00 40 f9 ldr x1, [x1]
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// CHECK7-NEXT: 8022004: 02 00 00 14 b #8
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// CHECK7-NEXT: 8022008: c0 03 5f d6 ret
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// CHECK7: __CortexA53843419_8022004:
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// CHECK7-NEXT: 802200c: 00 00 40 f9 ldr x0, [x0]
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// CHECK7-NEXT: 8022010: fe ff ff 17 b #-8
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.section .data
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.globl dat
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dat: .quad 0
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