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| author | Peter Collingbourne <peter@pcc.me.uk> | 2017-06-14 18:52:12 +0000 |
|---|---|---|
| committer | Peter Collingbourne <peter@pcc.me.uk> | 2017-06-14 18:52:12 +0000 |
| commit | f0e26e72704425d3bb78811313e1639230d69a01 (patch) | |
| tree | a5b47757eedb8174a821f2d1e532f5361d743a17 /llvm/lib | |
| parent | 0e2753897e382011bba14e27cd13e04605a852c3 (diff) | |
| download | bcm5719-llvm-f0e26e72704425d3bb78811313e1639230d69a01.tar.gz bcm5719-llvm-f0e26e72704425d3bb78811313e1639230d69a01.zip | |
MC, Object: Reserve a section type, SHT_LLVM_ODRTAB, for the ODR table.
This is part of the ODR checker proposal:
http://lists.llvm.org/pipermail/llvm-dev/2017-June/113820.html
Per discussion on the gnu-gabi mailing list [1] the section type range
0x6fff4c00..0x6fff4cff is reserved for LLVM.
[1] https://sourceware.org/ml/gnu-gabi/2017-q2/msg00030.html
Differential Revision: https://reviews.llvm.org/D33978
llvm-svn: 305407
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/MC/MCParser/ELFAsmParser.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/MC/MCSectionELF.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Object/ELF.cpp | 1 | ||||
| -rw-r--r-- | llvm/lib/ObjectYAML/ELFYAML.cpp | 1 |
4 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/MC/MCParser/ELFAsmParser.cpp b/llvm/lib/MC/MCParser/ELFAsmParser.cpp index f1dfb91aafb..a407691b0bd 100644 --- a/llvm/lib/MC/MCParser/ELFAsmParser.cpp +++ b/llvm/lib/MC/MCParser/ELFAsmParser.cpp @@ -603,6 +603,8 @@ EndStmt: Type = ELF::SHT_NOTE; else if (TypeName == "unwind") Type = ELF::SHT_X86_64_UNWIND; + else if (TypeName == "llvm_odrtab") + Type = ELF::SHT_LLVM_ODRTAB; else if (TypeName.getAsInteger(0, Type)) return TokError("unknown section type"); } diff --git a/llvm/lib/MC/MCSectionELF.cpp b/llvm/lib/MC/MCSectionELF.cpp index a75068ebf05..2f4f61aa4d5 100644 --- a/llvm/lib/MC/MCSectionELF.cpp +++ b/llvm/lib/MC/MCSectionELF.cpp @@ -147,6 +147,8 @@ void MCSectionELF::PrintSwitchToSection(const MCAsmInfo &MAI, const Triple &T, // Print hex value of the flag while we do not have // any standard symbolic representation of the flag. OS << "0x7000001e"; + else if (Type == ELF::SHT_LLVM_ODRTAB) + OS << "llvm_odrtab"; else report_fatal_error("unsupported type 0x" + Twine::utohexstr(Type) + " for section " + getSectionName()); diff --git a/llvm/lib/Object/ELF.cpp b/llvm/lib/Object/ELF.cpp index 9bc28dc14a2..448fb1bd6b5 100644 --- a/llvm/lib/Object/ELF.cpp +++ b/llvm/lib/Object/ELF.cpp @@ -192,6 +192,7 @@ StringRef llvm::object::getELFSectionTypeName(uint32_t Machine, unsigned Type) { STRINGIFY_ENUM_CASE(ELF, SHT_PREINIT_ARRAY); STRINGIFY_ENUM_CASE(ELF, SHT_GROUP); STRINGIFY_ENUM_CASE(ELF, SHT_SYMTAB_SHNDX); + STRINGIFY_ENUM_CASE(ELF, SHT_LLVM_ODRTAB); STRINGIFY_ENUM_CASE(ELF, SHT_GNU_ATTRIBUTES); STRINGIFY_ENUM_CASE(ELF, SHT_GNU_HASH); STRINGIFY_ENUM_CASE(ELF, SHT_GNU_verdef); diff --git a/llvm/lib/ObjectYAML/ELFYAML.cpp b/llvm/lib/ObjectYAML/ELFYAML.cpp index 70e25ea504a..dbd5498e003 100644 --- a/llvm/lib/ObjectYAML/ELFYAML.cpp +++ b/llvm/lib/ObjectYAML/ELFYAML.cpp @@ -372,6 +372,7 @@ void ScalarEnumerationTraits<ELFYAML::ELF_SHT>::enumeration( ECase(SHT_GROUP); ECase(SHT_SYMTAB_SHNDX); ECase(SHT_LOOS); + ECase(SHT_LLVM_ODRTAB); ECase(SHT_GNU_ATTRIBUTES); ECase(SHT_GNU_HASH); ECase(SHT_GNU_verdef); |
