[llvm-commits] [llvm] r89873 - in /llvm/trunk/lib: CodeGen/AsmPrinter/DwarfDebug.cpp Target/PIC16/PIC16DebugInfo.cpp

Benjamin Kramer benny.kra at googlemail.com
Wed Nov 25 10:26:09 PST 2009


Author: d0k
Date: Wed Nov 25 12:26:09 2009
New Revision: 89873

URL: http://llvm.org/viewvc/llvm-project?rev=89873&view=rev
Log:
Avoid some possibly unsafe uses of StringRef::data().

Modified:
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
    llvm/trunk/lib/Target/PIC16/PIC16DebugInfo.cpp

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=89873&r1=89872&r2=89873&view=diff

==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Wed Nov 25 12:26:09 2009
@@ -1010,7 +1010,7 @@
     // 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 @@
     // 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 @@
       // 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);

Modified: llvm/trunk/lib/Target/PIC16/PIC16DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PIC16/PIC16DebugInfo.cpp?rev=89873&r1=89872&r2=89873&view=diff

==============================================================================
--- llvm/trunk/lib/Target/PIC16/PIC16DebugInfo.cpp (original)
+++ llvm/trunk/lib/Target/PIC16/PIC16DebugInfo.cpp Wed Nov 25 12:26:09 2009
@@ -306,10 +306,9 @@
     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 @@
       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.





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