derek.holloway
7502bf64a4
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32 lines
1.1 KiB
ArmAsm
32 lines
1.1 KiB
ArmAsm
# REQUIRES: ppc
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le %s -o %t.o
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# RUN: echo '.globl ifunc; .type ifunc, %gnu_indirect_function; ifunc:' | \
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# RUN: llvm-mc -filetype=obj -triple=powerpc64le - -o %t1.o
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# RUN: ld.lld %t.o %t1.o -o %t
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# RUN: llvm-readelf -Ssr %t | FileCheck --check-prefix=SEC %s
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# RUN: llvm-readelf -x .toc %t | FileCheck --check-prefix=HEX %s
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# RUN: llvm-objdump -d %t | FileCheck --check-prefix=DIS %s
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## ifunc is a non-preemptable STT_GNU_IFUNC. The R_PPC64_ADDR64 in .toc
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## creates a canonical PLT for it and changes its type to STT_FUNC. We can thus
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## still perform toc-indirect to toc-relative relaxation because the distance
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## to the address of the canonical PLT is fixed.
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# SEC: .text PROGBITS [[#%x,TEXT:]]
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# SEC: .plt NOBITS [[#%x,PLT:]]
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# SEC: {{0*}}[[#PLT]] {{.+}} R_PPC64_IRELATIVE [[#TEXT+8]]
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# SEC: {{0*}}[[#TEXT+8]] 0 FUNC GLOBAL DEFAULT 3 ifunc
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## .toc[0] stores the address of the canonical PLT.
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# HEX: section '.toc':
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# HEX-NEXT: 0x100201f8 e8010110 00000000
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# DIS: addi 3, 3,
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addis 3, 2, .toc@toc@ha
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ld 3, .toc@toc@l(3)
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.section .toc,"aw",@progbits
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.quad ifunc
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