| Issue |
132766
|
| Summary |
[lld] [hexagon] Assertion `auxIdx == 0'
|
| Labels |
lld:ELF
|
| Assignees |
|
| Reporter |
androm3da
|
While building `libclang_rt.asan-hexagon.so`, lld asserts in ` lld::elf::hexagonTLSSymbolUpdate()`.
Reduced to the case below:
```
cat <<EOF > one.yaml
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_HEXAGON
SectionHeaderStringTable: .strtab
Sections:
- Name: .text
Type: SHT_PROGBITS
- Name: .text._ZN11__sanitizer24InternalMmapVectorNoCtorIjLb0EE7ReallocEj
Type: SHT_PROGBITS
- Name: .text._ZTW21__sancov_lowest_stack
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR, SHF_GROUP ]
- Name: .rela.text
Type: SHT_RELA
Info: .text
- Name: .rela.text._ZN11__sanitizer24InternalMmapVectorNoCtorIjLb0EE7ReallocEj
Type: SHT_RELA
Info: .text._ZN11__sanitizer24InternalMmapVectorNoCtorIjLb0EE7ReallocEj
- Name: .rela.text._ZTW21__sancov_lowest_stack
Info: .text._ZTW21__sancov_lowest_stack
Relocations:
- Offset: 0xC
Symbol: __sancov_lowest_stack
Type: R_HEX_GD_PLT_B22_PCREL
Type: SHT_RELA
- Type: SectionHeaderTable
Sections:
- Name: .strtab
- Name: .text
- Name: .rela.text
- Name: .text._ZN11__sanitizer24InternalMmapVectorNoCtorIjLb0EE7ReallocEj
- Name: .rela.text._ZN11__sanitizer24InternalMmapVectorNoCtorIjLb0EE7ReallocEj
- Name: .text._ZTW21__sancov_lowest_stack
- Name: .rela.text._ZTW21__sancov_lowest_stack
- Name: .symtab
Symbols:
- Name: __sancov_lowest_stack
Type: STT_TLS
Binding: STB_WEAK
EOF
cat <<EOF > two.yaml
--- !ELF
FileHeader:
Class: ELFCLASS32
Data: ELFDATA2LSB
Type: ET_REL
Machine: EM_HEXAGON
Sections:
- Name: .text
Type: SHT_PROGBITS
Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
- Name: .rela.text
Type: SHT_RELA
Info: .text
Relocations:
- Symbol: _GLOBAL_OFFSET_TABLE_
Type: R_HEX_B32_PCREL_X
Symbol: __tls_get_addr
Symbols:
- Name: __tls_get_addr
Binding: STB_GLOBAL
EOF
yaml2obj one.yaml > one.o
yaml2obj two.yaml > two.o
./bin/ld.lld -shared -o ./out.so one.o two.o
```
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