forked from OSchip/llvm-project
38 lines
1.1 KiB
ArmAsm
38 lines
1.1 KiB
ArmAsm
# 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 --no-show-raw-insn %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: 0000000000010284 <main>:
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## myfunc's got entry = page(0x20330)-page(0x10284) + 0x330 = 65536 + 816
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# CHECK-NEXT: 10284: adrp x8, 0x20000
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# CHECK-NEXT: 10288: ldr x8, [x8, #816]
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# CHECK-NEXT: 1028c: ret
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# CHECK: Disassembly of section .got:
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# CHECK-EMPTY:
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# CHECK-NEXT: 0000000000020330 <.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: 0x20330 R_AARCH64_GLOB_DAT myfunc 0x0
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# CHECK-RELOCS-NEXT: }
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# CHECK-RELOCS-NEXT: ]
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