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2fdfc9c726
When we have a dynamic relocation with a broken symbol's st_name, tools report a useless error: "Invalid data was encountered while parsing the file". After this change we report a warning + "<corrupt>" as a symbol name. Differential revision: https://reviews.llvm.org/D66734 llvm-svn: 370330
52 lines
1.8 KiB
Plaintext
52 lines
1.8 KiB
Plaintext
## Check that llvm-readobj/llvm-readelf reports an error when dumping relocations if a dynamic
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## symbol name offset is broken (goes past the end of the dynamic symbol string table).
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# RUN: yaml2obj %s -o %t
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# RUN: llvm-readobj --dyn-relocations %t 2>&1 | FileCheck %s -DFILE=%t --check-prefix=LLVM
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# RUN: llvm-readelf --dyn-relocations %t 2>&1 | FileCheck %s -DFILE=%t --check-prefix=GNU
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# LLVM: Dynamic Relocations {
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# LLVM-EMPTY:
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# LLVM-NEXT: warning: '[[FILE]]': unable to get name of the dynamic symbol with index 1: st_name (0x1234) is past the end of the string table of size 0x1
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# LLVM-NEXT: 0x0 R_X86_64_NONE <corrupt> 0x0
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# LLVM-NEXT: }
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# GNU: 'RELA' relocation section at offset {{.+}} contains 24 bytes:
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# GNU-NEXT: Offset Info Type Symbol's Value Symbol's Name + Addend
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# GNU-EMPTY:
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# GNU-NEXT: warning: '[[FILE]]': unable to get name of the dynamic symbol with index 1: st_name (0x1234) is past the end of the string table of size 0x1
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# GNU-NEXT: 0000000000000000 0000000100000000 R_X86_64_NONE 0000000000000000 <corrupt> + 0
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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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Link: .dynsym
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Relocations:
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- Offset: 0x0
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Symbol: 1 ## Index of a dynamic symbol with a broken st_name.
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Type: R_X86_64_NONE
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- Name: .dynamic
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Type: SHT_DYNAMIC
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Entries:
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- Tag: DT_RELA
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Value: 0x0000000000000000
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- Tag: DT_RELASZ
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Value: 0x0000000000000018
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- Tag: DT_RELAENT
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Value: 0x0000000000000018
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- Tag: DT_NULL
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Value: 0x0000000000000000
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DynamicSymbols:
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- NameIndex: 0x1234
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ProgramHeaders:
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- Type: PT_LOAD
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Sections:
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- Section: .rela.dyn
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- Section: .dynamic
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