diff options
Diffstat (limited to 'llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp index a0292027d0d..7a5c4f3136a 100644 --- a/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/WinCodeViewLineTables.cpp @@ -12,10 +12,14 @@ //===----------------------------------------------------------------------===// #include "WinCodeViewLineTables.h" +#include "llvm/DebugInfo/CodeView/CodeView.h" +#include "llvm/DebugInfo/CodeView/SymbolRecord.h" #include "llvm/MC/MCExpr.h" #include "llvm/MC/MCSymbol.h" #include "llvm/Support/COFF.h" +using namespace llvm::codeview; + namespace llvm { StringRef WinCodeViewLineTables::getFullFilepath(const MDNode *S) { @@ -129,6 +133,9 @@ void WinCodeViewLineTables::endModule() { if (FnDebugInfo.empty()) return; + // FIXME: For functions that are comdat, we should emit separate .debug$S + // sections that are comdat associative with the main function instead of + // having one big .debug$S section. assert(Asm != nullptr); Asm->OutStreamer->SwitchSection( Asm->getObjFileLowering().getCOFFDebugSymbolsSection()); @@ -146,7 +153,7 @@ void WinCodeViewLineTables::endModule() { // This subsection holds a file index to offset in string table table. Asm->OutStreamer->AddComment("File index to string table offset subsection"); - Asm->EmitInt32(COFF::DEBUG_INDEX_SUBSECTION); + Asm->EmitInt32(unsigned(ModuleSubstreamKind::FileChecksums)); size_t NumFilenames = FileNameRegistry.Infos.size(); Asm->EmitInt32(8 * NumFilenames); for (size_t I = 0, E = FileNameRegistry.Filenames.size(); I != E; ++I) { @@ -159,7 +166,7 @@ void WinCodeViewLineTables::endModule() { // This subsection holds the string table. Asm->OutStreamer->AddComment("String table"); - Asm->EmitInt32(COFF::DEBUG_STRING_TABLE_SUBSECTION); + Asm->EmitInt32(unsigned(ModuleSubstreamKind::StringTable)); Asm->EmitInt32(FileNameRegistry.LastOffset); // The payload starts with a null character. Asm->EmitInt8(0); @@ -213,7 +220,7 @@ void WinCodeViewLineTables::emitDebugInfoForFunction(const Function *GV) { MCSymbol *SymbolsBegin = Asm->MMI->getContext().createTempSymbol(), *SymbolsEnd = Asm->MMI->getContext().createTempSymbol(); Asm->OutStreamer->AddComment("Symbol subsection for " + Twine(FuncName)); - Asm->EmitInt32(COFF::DEBUG_SYMBOL_SUBSECTION); + Asm->EmitInt32(unsigned(ModuleSubstreamKind::Symbols)); EmitLabelDiff(*Asm->OutStreamer, SymbolsBegin, SymbolsEnd); Asm->OutStreamer->EmitLabel(SymbolsBegin); { @@ -222,7 +229,8 @@ void WinCodeViewLineTables::emitDebugInfoForFunction(const Function *GV) { EmitLabelDiff(*Asm->OutStreamer, ProcSegmentBegin, ProcSegmentEnd, 2); Asm->OutStreamer->EmitLabel(ProcSegmentBegin); - Asm->EmitInt16(COFF::DEBUG_SYMBOL_TYPE_PROC_START); + Asm->EmitInt16(unsigned(SymbolRecordKind::S_GPROC32_ID)); + // Some bytes of this segment don't seem to be required for basic debugging, // so just fill them with zeroes. Asm->OutStreamer->EmitFill(12, 0); @@ -240,7 +248,7 @@ void WinCodeViewLineTables::emitDebugInfoForFunction(const Function *GV) { // We're done with this function. Asm->EmitInt16(0x0002); - Asm->EmitInt16(COFF::DEBUG_SYMBOL_TYPE_PROC_END); + Asm->EmitInt16(unsigned(SymbolRecordKind::S_PROC_ID_END)); } Asm->OutStreamer->EmitLabel(SymbolsEnd); // Every subsection must be aligned to a 4-byte boundary. @@ -264,7 +272,7 @@ void WinCodeViewLineTables::emitDebugInfoForFunction(const Function *GV) { // Emit a line table subsection, required to do PC-to-file:line lookup. Asm->OutStreamer->AddComment("Line table subsection for " + Twine(FuncName)); - Asm->EmitInt32(COFF::DEBUG_LINE_TABLE_SUBSECTION); + Asm->EmitInt32(unsigned(ModuleSubstreamKind::Lines)); MCSymbol *LineTableBegin = Asm->MMI->getContext().createTempSymbol(), *LineTableEnd = Asm->MMI->getContext().createTempSymbol(); EmitLabelDiff(*Asm->OutStreamer, LineTableBegin, LineTableEnd); |
