forked from OSchip/llvm-project
41 lines
1.3 KiB
ArmAsm
41 lines
1.3 KiB
ArmAsm
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# REQUIRES: aarch64
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# RUN: llvm-mc -filetype=obj -triple=aarch64-none-linux-gnu %s -o %t.o
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# RUN: ld.lld -shared %t.o -o %tout
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# RUN: llvm-objdump -D %tout | FileCheck %s
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# RUN: llvm-readobj -r %tout | FileCheck %s --check-prefix=CHECK-RELOCS
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# Test that when we take the address of a preemptible ifunc in a shared object
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# we get R_AARCH64_GLOB_DAT to the symbol as it could be defined in another
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# link unit and preempt our definition.
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.text
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.globl myfunc
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.type myfunc,@gnu_indirect_function
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myfunc:
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ret
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.text
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.globl main
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.type main,@function
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main:
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adrp x8, :got:myfunc
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ldr x8, [x8, :got_lo12:myfunc]
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ret
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# CHECK: 0000000000010004 main:
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# x8 = 0x30000
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# CHECK-NEXT: 10004: 08 01 00 90 adrp x8, #131072
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# x8 = 0x300e0 = .got entry for myfunc with R_AARCH64_GLOB_DAT
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# CHECK-NEXT: 10008: 08 71 40 f9 ldr x8, [x8, #224]
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# CHECK-NEXT: 1000c: c0 03 5f d6 ret
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# CHECK: Disassembly of section .got:
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# CHECK-NEXT: 00000000000300e0 .got:
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# CHECK-RELOCS: Relocations [
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# CHECK-RELOCS-NEXT: Section {{.*}} .rela.dyn {
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# CHECK-RELOCS-NEXT: 0x300E0 R_AARCH64_GLOB_DAT myfunc 0x0
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# CHECK-RELOCS-NEXT: }
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# CHECK-RELOCS-NEXT: Section {{.*}} .rela.plt {
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# CHECK-RELOCS-NEXT: 0x20018 R_AARCH64_JUMP_SLOT myfunc 0x0
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# CHECK-RELOCS-NEXT: }
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# CHECK-RELOCS-NEXT: ]
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