diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp index f1749fb..9e714e4 100644 --- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp @@ -501,12 +501,12 @@ void CodeViewDebug::endModule() { clear(); } -static void emitNullTerminatedSymbolName(MCStreamer &OS, StringRef S) { +static void emitNullTerminatedSymbolName(MCStreamer &OS, StringRef S, + unsigned MaxFixedRecordLength = 0xF00) { // The maximum CV record length is 0xFF00. Most of the strings we emit appear // after a fixed length portion of the record. The fixed length portion should // always be less than 0xF00 (3840) bytes, so truncate the string so that the // overall record size is less than the maximum allowed. - unsigned MaxFixedRecordLength = 0xF00; SmallString<32> NullTerminatedString( S.take_front(MaxRecordLength - MaxFixedRecordLength - 1)); NullTerminatedString.push_back('\0'); @@ -2448,6 +2448,7 @@ void CodeViewDebug::emitDebugInfoForGlobal(const DIGlobalVariable *DIGV, // FIXME: Thread local data, etc MCSymbol *DataBegin = MMI->getContext().createTempSymbol(), *DataEnd = MMI->getContext().createTempSymbol(); + const unsigned FixedLengthOfThisRecord = 12; OS.AddComment("Record length"); OS.emitAbsoluteSymbolDiff(DataEnd, DataBegin, 2); OS.EmitLabel(DataBegin); @@ -2475,6 +2476,6 @@ void CodeViewDebug::emitDebugInfoForGlobal(const DIGlobalVariable *DIGV, OS.AddComment("Segment"); OS.EmitCOFFSectionIndex(GVSym); OS.AddComment("Name"); - emitNullTerminatedSymbolName(OS, DIGV->getName()); + emitNullTerminatedSymbolName(OS, DIGV->getName(), FixedLengthOfThisRecord); OS.EmitLabel(DataEnd); } |