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| author | Oren Ben Simhon <oren.ben.simhon@intel.com> | 2018-03-17 13:31:35 +0000 |
|---|---|---|
| committer | Oren Ben Simhon <oren.ben.simhon@intel.com> | 2018-03-17 13:31:35 +0000 |
| commit | 220671a0806426051a5b565cd525bce56dc2d142 (patch) | |
| tree | 12c7cf206645be6194b6185a218c42d53675be14 /clang/lib/Serialization | |
| parent | fdd72fd5225dedb4431473fb3ac7b3d45fc8ed00 (diff) | |
| download | bcm5719-llvm-220671a0806426051a5b565cd525bce56dc2d142.tar.gz bcm5719-llvm-220671a0806426051a5b565cd525bce56dc2d142.zip | |
Adding nocf_check attribute for cf-protection fine tuning
The patch adds nocf_check target independent attribute for disabling checks that were enabled by cf-protection flag.
The attribute can be appertained to functions and function pointers.
Attribute name follows GCC's similar attribute name.
Differential Revision: https://reviews.llvm.org/D41880
llvm-svn: 327768
Diffstat (limited to 'clang/lib/Serialization')
| -rw-r--r-- | clang/lib/Serialization/ASTReader.cpp | 10 | ||||
| -rw-r--r-- | clang/lib/Serialization/ASTWriter.cpp | 2 |
2 files changed, 8 insertions, 4 deletions
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp index b6fc4b22619..4cc3f9cb86a 100644 --- a/clang/lib/Serialization/ASTReader.cpp +++ b/clang/lib/Serialization/ASTReader.cpp @@ -6005,13 +6005,14 @@ QualType ASTReader::readTypeRecord(unsigned Index) { } case TYPE_FUNCTION_NO_PROTO: { - if (Record.size() != 7) { + if (Record.size() != 8) { Error("incorrect encoding of no-proto function type"); return QualType(); } QualType ResultType = readType(*Loc.F, Record, Idx); FunctionType::ExtInfo Info(Record[1], Record[2], Record[3], - (CallingConv)Record[4], Record[5], Record[6]); + (CallingConv)Record[4], Record[5], Record[6], + Record[7]); return Context.getFunctionNoProtoType(ResultType, Info); } @@ -6024,9 +6025,10 @@ QualType ASTReader::readTypeRecord(unsigned Index) { /*regparm*/ Record[3], static_cast<CallingConv>(Record[4]), /*produces*/ Record[5], - /*nocallersavedregs*/ Record[6]); + /*nocallersavedregs*/ Record[6], + /*nocfcheck*/ Record[7]); - unsigned Idx = 7; + unsigned Idx = 8; EPI.Variadic = Record[Idx++]; EPI.HasTrailingReturn = Record[Idx++]; diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp index 53e09b3f3fd..e63000c669a 100644 --- a/clang/lib/Serialization/ASTWriter.cpp +++ b/clang/lib/Serialization/ASTWriter.cpp @@ -276,6 +276,7 @@ void ASTTypeWriter::VisitFunctionType(const FunctionType *T) { Record.push_back(C.getCC()); Record.push_back(C.getProducesResult()); Record.push_back(C.getNoCallerSavedRegs()); + Record.push_back(C.getNoCfCheck()); if (C.getHasRegParm() || C.getRegParm() || C.getProducesResult()) AbbrevToUse = 0; @@ -884,6 +885,7 @@ void ASTWriter::WriteTypeAbbrevs() { Abv->Add(BitCodeAbbrevOp(BitCodeAbbrevOp::Fixed, 4)); // CC Abv->Add(BitCodeAbbrevOp(0)); // ProducesResult Abv->Add(BitCodeAbbrevOp(0)); // NoCallerSavedRegs + Abv->Add(BitCodeAbbrevOp(0)); // NoCfCheck // FunctionProtoType Abv->Add(BitCodeAbbrevOp(0)); // IsVariadic Abv->Add(BitCodeAbbrevOp(0)); // HasTrailingReturn |
