Add PDB generation support patches#46
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- Case-insensitive file lookup fallback for Windows SDK headers on Linux - Emit debug info for all types and extern function declarations from whitelisted headers (PDB_TRAVERSE_FILE env var) - Retain declaration-only subprograms in PDB/DWARF output - Emit LF_FUNC_ID for declaration-only subprograms in CodeView
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Summary
FileManager::getStatValuefor Windows header lookupsDISubprograminCGDebugInfoso function prototypes survive into PDB outputPDB_TRAVERSE_FILE-driven type/function emission inCodeGenModuleto selectively emit debug info from whitelisted headersLF_FUNC_IDfor declaration-only subprograms inCodeViewDebugThese patches enable clang to produce PDB files containing Windows API type information from win32metadata headers.
Files changed
clang/lib/Basic/FileManager.cpp— case-insensitive stat fallbackclang/lib/CodeGen/CGDebugInfo.cpp— retain declaration-only subprogramsclang/lib/CodeGen/CodeGenModule.cpp—PDB_TRAVERSE_FILEwhitelist + selective type/function emissionllvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp—LF_FUNC_IDfor declaration-only subprograms