forked from OSchip/llvm-project
45 lines
1.3 KiB
ArmAsm
45 lines
1.3 KiB
ArmAsm
# REQUIRES: x86
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
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# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %p/Inputs/comdat-discarded-reloc.s -o %t2.o
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# RUN: ld.lld -gc-sections --noinhibit-exec %t2.o %t.o -o /dev/null
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# RUN: ld.lld -r %t2.o %t.o -o %t 2>&1 | FileCheck --check-prefix=WARN %s
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# RUN: llvm-readobj -r %t | FileCheck --check-prefix=RELOC %s
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## ELF spec doesn't allow a relocation to point to a deduplicated
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## COMDAT section. Unfortunately this happens in practice (e.g. .eh_frame)
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## Test case checks we do not crash.
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# WARN: warning: relocation refers to a discarded section: .text.bar1
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# WARN-NEXT: >>> referenced by {{.*}}.o:(.rela.text.bar2+0x0)
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# WARN-NOT: warning
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# RELOC: .rela.eh_frame {
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# RELOC-NEXT: R_X86_64_NONE
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# RELOC-NEXT: }
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# RELOC-NEXT: .rela.debug_foo {
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# RELOC-NEXT: R_X86_64_NONE
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# RELOC-NEXT: }
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# RELOC-NEXT: .rela.gcc_except_table {
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# RELOC-NEXT: R_X86_64_NONE
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# RELOC-NEXT: }
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.globl group
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group:
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.section .text.bar1,"aG",@progbits,group,comdat
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## .text.bar1 in this file is discarded. Warn on the relocation.
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.section .text.bar2,"ax"
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.globl bar
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bar:
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.quad .text.bar1
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## Don't warn on .eh_frame, .debug*, .zdebug*, or .gcc_except_table
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.section .eh_frame,"a",@unwind
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.quad .text.bar1
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.section .debug_foo
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.quad .text.bar1
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.section .gcc_except_table,"a"
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.quad .text.bar1
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