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35 lines
1.4 KiB
35 lines
1.4 KiB
4 months ago
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# RUN: yaml2obj %s -o %t
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## Check we cannot remove the .dynsym symbol table because dynamic
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## relocation section .rela.dyn still references it via sh_link field.
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# RUN: not llvm-objcopy -R .dynsym %t %t2 2>&1 >/dev/null | FileCheck %s --check-prefix=ERR -DINPUT=%t
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# ERR: error: '[[INPUT]]': symbol table '.dynsym' cannot be removed because it is referenced by the relocation section '.rela.dyn'
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## Check we can remove .dynsym after removing the reference.
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# RUN: llvm-objcopy -R .dynsym -R .rela.dyn %t %t2
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# RUN: llvm-readelf --sections %t2 | FileCheck %s --implicit-check-not=".dynsym"
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## Check we zero out sh_link field and allow producing output with the --allow-broken-links switch.
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# RUN: llvm-objcopy -R .dynsym --allow-broken-links %t %t2
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# RUN: llvm-readelf --sections %t2 | FileCheck %s --check-prefix=DROP-LINK
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# DROP-LINK: [Nr] Name Type Address Off Size ES Flg L
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# DROP-LINK: [ 1] .rela.dyn RELA 0000000000000270 000040 000000 18 A 0
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# DROP-LINK-NOT: .dynsym
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!ELF
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FileHeader:
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Class: ELFCLASS64
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Data: ELFDATA2LSB
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Type: ET_DYN
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Machine: EM_X86_64
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Sections:
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- Name: .rela.dyn
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Type: SHT_RELA
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Flags: [ SHF_ALLOC ]
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Address: 0x0000000000000270
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Link: .dynsym
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EntSize: 0x0000000000000018
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DynamicSymbols:
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- Name: bar
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Binding: STB_GLOBAL
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