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Avoid some possibly unsafe uses of StringRef::data().

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@89873 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2009-11-25 18:26:09 +00:00
parent 65dbc909f5
commit 1c3451fc99
2 changed files with 5 additions and 7 deletions
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6
lib/CodeGen/AsmPrinter/DwarfDebug.cpp
View File

@ -1010,7 +1010,7 @@ DIE *DwarfDebug::createGlobalVariableDIE(CompileUnit *DW_Unit,
// Objective-C symbol names and symbol whose name is replaced using GCC's
// __asm__ attribute.
if (LinkageName[0] == 1)
LinkageName = LinkageName.data() + 1;
LinkageName = LinkageName.substr(1);
addString(GVDie, dwarf::DW_AT_MIPS_linkage_name, dwarf::DW_FORM_string,
LinkageName);
}
@ -1097,7 +1097,7 @@ DIE *DwarfDebug::createSubprogramDIE(CompileUnit *DW_Unit,
// Objective-C symbol names and symbol whose name is replaced using GCC's
// __asm__ attribute.
if (LinkageName[0] == 1)
LinkageName = LinkageName.data() + 1;
LinkageName = LinkageName.substr(1);
addString(SPDie, dwarf::DW_AT_MIPS_linkage_name, dwarf::DW_FORM_string,
LinkageName);
}
@ -2899,7 +2899,7 @@ void DwarfDebug::emitDebugInlineInfo() {
// Objective-C symbol names and symbol whose name is replaced using GCC's
// __asm__ attribute.
if (LName[0] == 1)
LName = LName.data() + 1;
LName = LName.substr(1);
// Asm->EmitString(LName);
EmitSectionOffset("string", "section_str",
StringPool.idFor(LName), false, true);

6
lib/Target/PIC16/PIC16DebugInfo.cpp
View File

@ -306,10 +306,9 @@ void PIC16DbgInfo::EmitCompositeTypeElements (DICompositeType CTy,
int ElementAux[PIC16Dbg::AuxSize] = { 0 };
std::string TagName = "";
DIDerivedType DITy(Element.getNode());
StringRef ElementName = DITy.getName();
unsigned short ElementSize = DITy.getSizeInBits()/8;
// Get mangleddd name for this structure/union element.
std::string MangMemName = ElementName.data() + SuffixNo;
std::string MangMemName = DITy.getName().str() + SuffixNo;
PopulateDebugInfo(DITy, TypeNo, HasAux, ElementAux, TagName);
short Class = 0;
if( CTy.getTag() == dwarf::DW_TAG_union_type)
@ -337,12 +336,11 @@ void PIC16DbgInfo::EmitCompositeTypeDecls(Module &M) {
continue;
if (CTy.getTag() == dwarf::DW_TAG_union_type ||
CTy.getTag() == dwarf::DW_TAG_structure_type ) {
StringRef Name = CTy.getName();
// Get the number after llvm.dbg.composite and make UniqueSuffix from
// it.
std::string DIVar = CTy.getNode()->getNameStr();
std::string UniqueSuffix = "." + DIVar.substr(18);
std::string MangledCTyName = Name.data() + UniqueSuffix;
std::string MangledCTyName = CTy.getName().str() + UniqueSuffix;
unsigned short size = CTy.getSizeInBits()/8;
int Aux[PIC16Dbg::AuxSize] = {0};
// 7th and 8th byte represent size of structure/union.