forked from OSchip/llvm-project
75 lines
2.1 KiB
ArmAsm
75 lines
2.1 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: echo "SECTIONS { \
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// RUN: .text 0x10000 : { \
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// RUN: *(.text.01) ; \
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// RUN: . += 0x8000000 ; \
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// RUN: *(.text.02) } \
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// RUN: .foo : { *(.foo_sec) } } " > %t.script
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// RUN: ld.lld -pie --fix-cortex-a53-843419 --script=%t.script %t.o -o %t2
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// RUN: llvm-objdump --no-show-raw-insn --triple=aarch64-linux-gnu -d %t2
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/// %t2 is > 128 Megabytes, so delete it early.
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// RUN: rm %t2
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/// Test case that for an OutputSection larger than the ThunkSectionSpacing
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/// --fix-cortex-a53-843419 will cause the size of the ThunkSection to be
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/// rounded up to the nearest 4KiB
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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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/// Range extension thunk needed, due to linker script
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bl far_away
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.space 4096 - 12
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/// Erratum sequence
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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, :lo12:dat]
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ret
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/// Expect thunk and patch to be inserted here
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// CHECK: 0000000000011008 __AArch64ADRPThunk_far_away:
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// CHECK-NEXT: 11008: adrp x16, #134221824
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// CHECK-NEXT: add x16, x16, #16
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// CHECK-NEXT: br x16
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// CHECK: 0000000000012008 __CortexA53843419_11000:
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// CHECK-NEXT: 12008: ldr x0, [x0, #168]
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// CHECK-NEXT: b #-4104 <t3_ff8_ldr+0xc>
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.section .text.02, "ax", %progbits
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.globl far_away
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.type far_away, function
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far_away:
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bl _start
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ret
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/// Expect thunk for _start not to have size rounded up to 4KiB as it is at
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/// the end of the OutputSection
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// CHECK: 0000000008012010 far_away:
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// CHECK-NEXT: 8012010: bl #8
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// CHECK-NEXT: ret
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// CHECK: 0000000008012018 __AArch64ADRPThunk__start:
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// CHECK-NEXT: 8012018: adrp x16, #-134225920
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// CHECK-NEXT: add x16, x16, #0
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// CHECK-NEXT: br x16
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// CHECK: 0000000008012024 foo:
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// CHECK-NEXT: 8012024: ret
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.section .foo_sec, "ax", %progbits
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.globl foo
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.type foo, function
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foo:
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ret
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.section .data
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.balign 8
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.globl dat
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dat: .quad 0
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