[COFF] Teach LLD to use the COFF .debug$H section.
This adds the /DEBUG:GHASH option to LLD which will look for the existence of .debug$H sections in linker inputs and use them to accelerate type merging. The clang-cl side has already been added, so this completes the work necessary to begin experimenting with this feature. Differential Revision: https://reviews.llvm.org/D40980 llvm-svn: 320719
This commit is contained in:
Zachary Turner
parent
dcc646e40b
commit
0d07a8e948
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@ -89,6 +89,7 @@ struct Configuration {
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bool Force = false;
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bool Debug = false;
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bool DebugDwarf = false;
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bool DebugGHashes = false;
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unsigned DebugTypes = static_cast<unsigned>(DebugType::None);
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llvm::SmallString<128> PDBPath;
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std::vector<llvm::StringRef> Argv;
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@ -809,7 +809,8 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) {
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Config->Force = true;
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// Handle /debug
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if (Args.hasArg(OPT_debug) || Args.hasArg(OPT_debug_dwarf)) {
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if (Args.hasArg(OPT_debug) || Args.hasArg(OPT_debug_dwarf) ||
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Args.hasArg(OPT_debug_ghash)) {
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Config->Debug = true;
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if (auto *Arg = Args.getLastArg(OPT_debugtype))
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Config->DebugTypes = parseDebugType(Arg->getValue());
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@ -1018,6 +1019,7 @@ void LinkerDriver::link(ArrayRef<const char *> ArgsArr) {
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Config->NxCompat = Args.hasFlag(OPT_nxcompat, OPT_nxcompat_no, true);
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Config->TerminalServerAware = Args.hasFlag(OPT_tsaware, OPT_tsaware_no, true);
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Config->DebugDwarf = Args.hasArg(OPT_debug_dwarf);
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Config->DebugGHashes = Args.hasArg(OPT_debug_ghash);
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Config->MapFile = getMapFile(Args);
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@ -117,6 +117,7 @@ def help : F<"help">;
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def help_q : Flag<["/?", "-?"], "">, Alias<help>;
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// LLD extensions
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def debug_ghash : F<"debug:ghash">;
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def debug_dwarf : F<"debug:dwarf">;
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def export_all_symbols : F<"export-all-symbols">;
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def nopdb : F<"nopdb">, HelpText<"Disable PDB generation for DWARF users">;
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133
lld/COFF/PDB.cpp
133
lld/COFF/PDB.cpp
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@ -17,6 +17,7 @@
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#include "lld/Common/ErrorHandler.h"
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#include "llvm/DebugInfo/CodeView/CVDebugRecord.h"
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#include "llvm/DebugInfo/CodeView/DebugSubsectionRecord.h"
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#include "llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h"
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#include "llvm/DebugInfo/CodeView/LazyRandomTypeCollection.h"
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#include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
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#include "llvm/DebugInfo/CodeView/RecordName.h"
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@ -72,8 +73,8 @@ struct CVIndexMap {
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class PDBLinker {
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public:
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PDBLinker(SymbolTable *Symtab)
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: Alloc(), Symtab(Symtab), Builder(Alloc), TypeTable(Alloc),
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IDTable(Alloc) {}
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: Alloc(), Symtab(Symtab), Builder(Alloc), GlobalTypeTable(Alloc),
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GlobalIDTable(Alloc), TypeTable(Alloc), IDTable(Alloc) {}
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/// Emit the basic PDB structure: initial streams, headers, etc.
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void initialize(const llvm::codeview::DebugInfo &BuildId);
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@ -123,6 +124,12 @@ private:
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/// Item records that will go into the PDB IPI stream.
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MergingTypeTableBuilder IDTable;
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/// Type records that will go into the PDB TPI stream (for /DEBUG:GHASH)
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GlobalTypeTableBuilder GlobalTypeTable;
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/// Item records that will go into the PDB IPI stream (for /DEBUG:GHASH)
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GlobalTypeTableBuilder GlobalIDTable;
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/// PDBs use a single global string table for filenames in the file checksum
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/// table.
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DebugStringTableSubsection PDBStrTab;
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@ -160,6 +167,41 @@ static ArrayRef<uint8_t> getDebugSection(ObjFile *File, StringRef SecName) {
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return {};
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}
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// A COFF .debug$H section is currently a clang extension. This function checks
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// if a .debug$H section is in a format that we expect / understand, so that we
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// can ignore any sections which are coincidentally also named .debug$H but do
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// not contain a format we recognize.
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static bool canUseDebugH(ArrayRef<uint8_t> DebugH) {
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if (DebugH.size() < sizeof(object::debug_h_header))
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return false;
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auto *Header =
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reinterpret_cast<const object::debug_h_header *>(DebugH.data());
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DebugH = DebugH.drop_front(sizeof(object::debug_h_header));
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return Header->Magic == COFF::DEBUG_HASHES_SECTION_MAGIC &&
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Header->Version == 0 &&
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Header->HashAlgorithm == uint16_t(GlobalTypeHashAlg::SHA1) &&
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(DebugH.size() % 20 == 0);
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}
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static Optional<ArrayRef<uint8_t>> getDebugH(ObjFile *File) {
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SectionChunk *Sec = findByName(File->getDebugChunks(), ".debug$H");
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if (!Sec)
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return llvm::None;
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ArrayRef<uint8_t> Contents = Sec->getContents();
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if (!canUseDebugH(Contents))
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return None;
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return Contents;
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}
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static ArrayRef<GloballyHashedType>
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getHashesFromDebugH(ArrayRef<uint8_t> DebugH) {
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assert(canUseDebugH(DebugH));
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DebugH = DebugH.drop_front(sizeof(object::debug_h_header));
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uint32_t Count = DebugH.size() / sizeof(GloballyHashedType);
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return {reinterpret_cast<const GloballyHashedType *>(DebugH.data()), Count};
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}
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static void addTypeInfo(pdb::TpiStreamBuilder &TpiBuilder,
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TypeCollection &TypeTable) {
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// Start the TPI or IPI stream header.
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@ -207,10 +249,26 @@ const CVIndexMap &PDBLinker::mergeDebugT(ObjFile *File,
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// This is a /Z7 object. Fill in the temporary, caller-provided
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// ObjectIndexMap.
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if (auto Err = mergeTypeAndIdRecords(IDTable, TypeTable,
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ObjectIndexMap.TPIMap, Types))
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fatal("codeview::mergeTypeAndIdRecords failed: " +
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toString(std::move(Err)));
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if (Config->DebugGHashes) {
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ArrayRef<GloballyHashedType> Hashes;
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std::vector<GloballyHashedType> OwnedHashes;
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if (Optional<ArrayRef<uint8_t>> DebugH = getDebugH(File))
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Hashes = getHashesFromDebugH(*DebugH);
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else {
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OwnedHashes = GloballyHashedType::hashTypes(Types);
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Hashes = OwnedHashes;
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}
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if (auto Err = mergeTypeAndIdRecords(GlobalIDTable, GlobalTypeTable,
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ObjectIndexMap.TPIMap, Types, Hashes))
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fatal("codeview::mergeTypeAndIdRecords failed: " +
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toString(std::move(Err)));
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} else {
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if (auto Err = mergeTypeAndIdRecords(IDTable, TypeTable,
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ObjectIndexMap.TPIMap, Types))
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fatal("codeview::mergeTypeAndIdRecords failed: " +
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toString(std::move(Err)));
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}
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return ObjectIndexMap;
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}
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@ -274,21 +332,44 @@ const CVIndexMap &PDBLinker::maybeMergeTypeServerPDB(ObjFile *File,
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if (auto E = ExpectedSession.takeError())
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fatal("Type server PDB was not found: " + toString(std::move(E)));
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// Merge TPI first, because the IPI stream will reference type indices.
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auto ExpectedTpi = (*ExpectedSession)->getPDBFile().getPDBTpiStream();
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if (auto E = ExpectedTpi.takeError())
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fatal("Type server does not have TPI stream: " + toString(std::move(E)));
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if (auto Err = mergeTypeRecords(TypeTable, IndexMap.TPIMap,
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ExpectedTpi->typeArray()))
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fatal("codeview::mergeTypeRecords failed: " + toString(std::move(Err)));
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// Merge IPI.
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auto ExpectedIpi = (*ExpectedSession)->getPDBFile().getPDBIpiStream();
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if (auto E = ExpectedIpi.takeError())
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fatal("Type server does not have TPI stream: " + toString(std::move(E)));
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if (auto Err = mergeIdRecords(IDTable, IndexMap.TPIMap, IndexMap.IPIMap,
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ExpectedIpi->typeArray()))
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fatal("codeview::mergeIdRecords failed: " + toString(std::move(Err)));
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if (Config->DebugGHashes) {
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// PDBs do not actually store global hashes, so when merging a type server
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// PDB we have to synthesize global hashes. To do this, we first synthesize
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// global hashes for the TPI stream, since it is independent, then we
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// synthesize hashes for the IPI stream, using the hashes for the TPI stream
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// as inputs.
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auto TpiHashes = GloballyHashedType::hashTypes(ExpectedTpi->typeArray());
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auto IpiHashes =
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GloballyHashedType::hashIds(ExpectedIpi->typeArray(), TpiHashes);
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// Merge TPI first, because the IPI stream will reference type indices.
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if (auto Err = mergeTypeRecords(GlobalTypeTable, IndexMap.TPIMap,
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ExpectedTpi->typeArray(), TpiHashes))
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fatal("codeview::mergeTypeRecords failed: " + toString(std::move(Err)));
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// Merge IPI.
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if (auto Err =
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mergeIdRecords(GlobalIDTable, IndexMap.TPIMap, IndexMap.IPIMap,
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ExpectedIpi->typeArray(), IpiHashes))
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fatal("codeview::mergeIdRecords failed: " + toString(std::move(Err)));
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} else {
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// Merge TPI first, because the IPI stream will reference type indices.
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if (auto Err = mergeTypeRecords(TypeTable, IndexMap.TPIMap,
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ExpectedTpi->typeArray()))
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fatal("codeview::mergeTypeRecords failed: " + toString(std::move(Err)));
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// Merge IPI.
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if (auto Err = mergeIdRecords(IDTable, IndexMap.TPIMap, IndexMap.IPIMap,
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ExpectedIpi->typeArray()))
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fatal("codeview::mergeIdRecords failed: " + toString(std::move(Err)));
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}
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return IndexMap;
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}
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@ -658,8 +739,13 @@ void PDBLinker::addObjFile(ObjFile *File) {
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File->ModuleDBI->addDebugSubsection(SS);
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break;
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case DebugSubsectionKind::Symbols:
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mergeSymbolRecords(Alloc, File, Builder.getGsiBuilder(), IndexMap,
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IDTable, SS.getRecordData());
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if (Config->DebugGHashes) {
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mergeSymbolRecords(Alloc, File, Builder.getGsiBuilder(), IndexMap,
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GlobalIDTable, SS.getRecordData());
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} else {
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mergeSymbolRecords(Alloc, File, Builder.getGsiBuilder(), IndexMap,
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IDTable, SS.getRecordData());
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}
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break;
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default:
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// FIXME: Process the rest of the subsections.
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@ -712,11 +798,14 @@ void PDBLinker::addObjectsToPDB() {
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Builder.getStringTableBuilder().setStrings(PDBStrTab);
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// Construct TPI stream contents.
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addTypeInfo(Builder.getTpiBuilder(), TypeTable);
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// Construct IPI stream contents.
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addTypeInfo(Builder.getIpiBuilder(), IDTable);
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// Construct TPI and IPI stream contents.
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if (Config->DebugGHashes) {
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addTypeInfo(Builder.getTpiBuilder(), GlobalTypeTable);
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addTypeInfo(Builder.getIpiBuilder(), GlobalIDTable);
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} else {
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addTypeInfo(Builder.getTpiBuilder(), TypeTable);
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addTypeInfo(Builder.getIpiBuilder(), IDTable);
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}
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// Compute the public and global symbols.
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auto &GsiBuilder = Builder.getGsiBuilder();
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@ -0,0 +1,540 @@
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--- !COFF
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header:
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Machine: IMAGE_FILE_MACHINE_I386
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Characteristics: [ ]
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sections:
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- Name: .text
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: 5589E55683EC188B450C8B4D088D55F4C745F8000000008B7508894DF089D18934248945ECE80000000083EC048D4DF4890C248945E8E80000000083C4185E5DC3
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Relocations:
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- VirtualAddress: 38
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SymbolName: '??0Foo@NS@@QAE@H@Z'
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Type: IMAGE_REL_I386_REL32
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- VirtualAddress: 55
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SymbolName: '?func@NS@@YAHABUFoo@1@@Z'
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Type: IMAGE_REL_I386_REL32
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- Name: .data
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
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Alignment: 4
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SectionData: ''
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- Name: .bss
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Characteristics: [ IMAGE_SCN_CNT_UNINITIALIZED_DATA, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE ]
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Alignment: 4
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SectionData: ''
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- Name: .text
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Characteristics: [ IMAGE_SCN_CNT_CODE, IMAGE_SCN_LNK_COMDAT, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ ]
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Alignment: 16
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SectionData: 5589E583EC088B4508894DFC8B4DFC8B550889118945F889C883C4085DC20400
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- Name: .drectve
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Characteristics: [ IMAGE_SCN_LNK_INFO, IMAGE_SCN_LNK_REMOVE ]
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Alignment: 1
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SectionData: 202F44454641554C544C49423A6C6962636D742E6C6962202F44454641554C544C49423A6F6C646E616D65732E6C6962
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- Name: '.debug$S'
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Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
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Alignment: 4
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SectionData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Subsections:
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- !Symbols
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Records:
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- Kind: S_COMPILE3
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Compile3Sym:
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Flags: [ ]
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Machine: Pentium3
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FrontendMajor: 6
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FrontendMinor: 0
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FrontendBuild: 0
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FrontendQFE: 0
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BackendMajor: 6000
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BackendMinor: 0
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BackendBuild: 0
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BackendQFE: 0
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Version: 'clang version 6.0.0 '
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- !FrameData
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Frames:
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- CodeSize: 65
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FrameFunc: '$T0 .raSearch = $eip $T0 ^ = $esp $T0 4 + = '
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LocalSize: 0
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MaxStackSize: 0
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ParamsSize: 8
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PrologSize: 7
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RvaStart: 0
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SavedRegsSize: 0
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- CodeSize: 64
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FrameFunc: '$T0 .raSearch = $eip $T0 ^ = $esp $T0 4 + = $ebp $T0 4 - ^ = '
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LocalSize: 0
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MaxStackSize: 0
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ParamsSize: 8
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PrologSize: 6
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RvaStart: 1
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SavedRegsSize: 4
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- CodeSize: 62
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FrameFunc: '$T0 $ebp 4 + = $eip $T0 ^ = $esp $T0 4 + = $ebp $T0 4 - ^ = '
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LocalSize: 0
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MaxStackSize: 0
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ParamsSize: 8
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PrologSize: 4
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RvaStart: 3
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SavedRegsSize: 4
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- CodeSize: 61
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FrameFunc: '$T0 $ebp 4 + = $eip $T0 ^ = $esp $T0 4 + = $ebp $T0 4 - ^ = $esi $T0 8 - ^ = '
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LocalSize: 0
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MaxStackSize: 0
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ParamsSize: 8
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PrologSize: 3
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RvaStart: 4
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SavedRegsSize: 8
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- !Symbols
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Records:
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- Kind: S_GPROC32_ID
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ProcSym:
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CodeSize: 65
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DbgStart: 0
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DbgEnd: 0
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FunctionType: 4099
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Flags: [ ]
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DisplayName: main
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- Kind: S_LOCAL
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LocalSym:
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Type: 116
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Flags: [ IsParameter ]
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VarName: argc
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- Kind: S_DEFRANGE_REGISTER_REL
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DefRangeRegisterRelSym:
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- Kind: S_LOCAL
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LocalSym:
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Type: 4096
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Flags: [ IsParameter ]
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VarName: argv
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- Kind: S_DEFRANGE_REGISTER_REL
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DefRangeRegisterRelSym:
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- Kind: S_LOCAL
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LocalSym:
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Type: 4105
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Flags: [ ]
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VarName: f
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- Kind: S_DEFRANGE_REGISTER_REL
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DefRangeRegisterRelSym:
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- Kind: S_PROC_ID_END
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ScopeEndSym:
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- !Lines
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CodeSize: 65
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Flags: [ ]
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RelocOffset: 0
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RelocSegment: 0
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Blocks:
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- FileName: 'D:\src\llvmbuild\clang\Debug\x86\obj1.cpp'
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Lines:
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- Offset: 0
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LineStart: 3
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IsStatement: false
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EndDelta: 0
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- Offset: 23
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LineStart: 4
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IsStatement: false
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EndDelta: 0
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- Offset: 48
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LineStart: 5
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IsStatement: false
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EndDelta: 0
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Columns:
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- !Symbols
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Records:
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- Kind: S_UDT
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UDTSym:
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Type: 4105
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|
||||
Type: IMAGE_REL_I386_SECTION
|
||||
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|
||||
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|
||||
Type: IMAGE_REL_I386_SECREL
|
||||
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|
||||
SymbolName: .text
|
||||
Type: IMAGE_REL_I386_SECTION
|
||||
- VirtualAddress: 268
|
||||
SymbolName: '?func@NS@@YAHABUFoo@1@@Z'
|
||||
Type: IMAGE_REL_I386_SECREL
|
||||
- VirtualAddress: 272
|
||||
SymbolName: '?func@NS@@YAHABUFoo@1@@Z'
|
||||
Type: IMAGE_REL_I386_SECTION
|
||||
- Name: '.debug$T'
|
||||
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
|
||||
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|
||||
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|
||||
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|
||||
- Kind: LF_STRING_ID
|
||||
StringId:
|
||||
Id: 0
|
||||
String: NS
|
||||
- Kind: LF_STRUCTURE
|
||||
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|
||||
MemberCount: 0
|
||||
Options: [ None, ForwardReference, HasUniqueName ]
|
||||
FieldList: 0
|
||||
Name: 'NS::Foo'
|
||||
UniqueName: '.?AUFoo@NS@@'
|
||||
DerivationList: 0
|
||||
VTableShape: 0
|
||||
Size: 0
|
||||
- Kind: LF_MODIFIER
|
||||
Modifier:
|
||||
ModifiedType: 4097
|
||||
Modifiers: [ None, Const ]
|
||||
- Kind: LF_POINTER
|
||||
Pointer:
|
||||
ReferentType: 4098
|
||||
Attrs: 32810
|
||||
- Kind: LF_ARGLIST
|
||||
ArgList:
|
||||
ArgIndices: [ 4099 ]
|
||||
- Kind: LF_PROCEDURE
|
||||
Procedure:
|
||||
ReturnType: 116
|
||||
CallConv: NearC
|
||||
Options: [ None ]
|
||||
ParameterCount: 1
|
||||
ArgumentList: 4100
|
||||
- Kind: LF_POINTER
|
||||
Pointer:
|
||||
ReferentType: 4097
|
||||
Attrs: 32778
|
||||
- Kind: LF_ARGLIST
|
||||
ArgList:
|
||||
ArgIndices: [ 116 ]
|
||||
- Kind: LF_MFUNCTION
|
||||
MemberFunction:
|
||||
ReturnType: 3
|
||||
ClassType: 4097
|
||||
ThisType: 4102
|
||||
CallConv: ThisCall
|
||||
Options: [ None ]
|
||||
ParameterCount: 1
|
||||
ArgumentList: 4103
|
||||
ThisPointerAdjustment: 0
|
||||
- Kind: LF_FIELDLIST
|
||||
FieldList:
|
||||
- Kind: LF_MEMBER
|
||||
DataMember:
|
||||
Attrs: 3
|
||||
Type: 116
|
||||
FieldOffset: 0
|
||||
Name: X
|
||||
- Kind: LF_ONEMETHOD
|
||||
OneMethod:
|
||||
Type: 4104
|
||||
Attrs: 3
|
||||
VFTableOffset: -1
|
||||
Name: Foo
|
||||
- Kind: LF_STRUCTURE
|
||||
Class:
|
||||
MemberCount: 2
|
||||
Options: [ None, HasUniqueName ]
|
||||
FieldList: 4105
|
||||
Name: 'NS::Foo'
|
||||
UniqueName: '.?AUFoo@NS@@'
|
||||
DerivationList: 0
|
||||
VTableShape: 0
|
||||
Size: 4
|
||||
- Kind: LF_STRING_ID
|
||||
StringId:
|
||||
Id: 0
|
||||
String: 'D:\src\llvmbuild\clang\Debug\x86\obj.h'
|
||||
- Kind: LF_UDT_SRC_LINE
|
||||
UdtSourceLine:
|
||||
UDT: 4106
|
||||
SourceFile: 4107
|
||||
LineNumber: 2
|
||||
- Kind: LF_FUNC_ID
|
||||
FuncId:
|
||||
ParentScope: 4096
|
||||
FunctionType: 4101
|
||||
Name: func
|
||||
- Name: '.debug$H'
|
||||
Characteristics: [ IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ ]
|
||||
Alignment: 4
|
||||
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|
||||
GlobalHashes:
|
||||
Version: 0
|
||||
HashAlgorithm: 0
|
||||
HashValues:
|
||||
- EC145CD76AEFE74E78880D531132B3BB8FFACEF7
|
||||
- 9E616EF06A14EA74A2420F9062A1FB04917E5975
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||||
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
symbols:
|
||||
- Name: .text
|
||||
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|
||||
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||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
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||||
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||||
SectionDefinition:
|
||||
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||||
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||||
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||||
CheckSum: 1820185021
|
||||
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||||
- Name: .data
|
||||
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||||
SectionNumber: 2
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
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||||
ComplexType: IMAGE_SYM_DTYPE_NULL
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||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 0
|
||||
NumberOfRelocations: 0
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||||
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||||
CheckSum: 0
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||||
Number: 2
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||||
- Name: .bss
|
||||
Value: 0
|
||||
SectionNumber: 3
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_NULL
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||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 0
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||||
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||||
CheckSum: 0
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||||
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||||
- Name: .drectve
|
||||
Value: 0
|
||||
SectionNumber: 4
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_NULL
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||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 48
|
||||
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|
||||
NumberOfLinenumbers: 0
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||||
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||||
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|
||||
- Name: '.debug$S'
|
||||
Value: 0
|
||||
SectionNumber: 5
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
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||||
ComplexType: IMAGE_SYM_DTYPE_NULL
|
||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 584
|
||||
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||||
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|
||||
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|
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|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_NULL
|
||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 320
|
||||
NumberOfRelocations: 0
|
||||
NumberOfLinenumbers: 0
|
||||
CheckSum: 2684556216
|
||||
Number: 6
|
||||
- Name: '.debug$H'
|
||||
Value: 0
|
||||
SectionNumber: 7
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_NULL
|
||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
SectionDefinition:
|
||||
Length: 288
|
||||
NumberOfRelocations: 0
|
||||
NumberOfLinenumbers: 0
|
||||
CheckSum: 2348181452
|
||||
Number: 7
|
||||
- Name: '@feat.00'
|
||||
Value: 1
|
||||
SectionNumber: -1
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_NULL
|
||||
StorageClass: IMAGE_SYM_CLASS_STATIC
|
||||
- Name: '?func@NS@@YAHABUFoo@1@@Z'
|
||||
Value: 0
|
||||
SectionNumber: 1
|
||||
SimpleType: IMAGE_SYM_TYPE_NULL
|
||||
ComplexType: IMAGE_SYM_DTYPE_FUNCTION
|
||||
StorageClass: IMAGE_SYM_CLASS_EXTERNAL
|
||||
...
|
||||
|
|
@ -0,0 +1,93 @@
|
|||
RUN: yaml2obj %p/Inputs/pdb-hashes-1.yaml > %t.1.obj
|
||||
RUN: yaml2obj %p/Inputs/pdb-hashes-2.yaml > %t.2.obj
|
||||
RUN: yaml2obj %p/Inputs/pdb-hashes-2-missing.yaml > %t.2.missing.obj
|
||||
RUN: lld-link /debug %t.1.obj %t.2.obj /entry:main /nodefaultlib /PDB:%t.nohash.pdb
|
||||
RUN: lld-link /debug:ghash %t.1.obj %t.2.obj /entry:main /nodefaultlib /PDB:%t.hash.pdb
|
||||
RUN: lld-link /debug:ghash %t.1.obj %t.2.missing.obj /entry:main /nodefaultlib /PDB:%t.mixed.pdb
|
||||
RUN: llvm-pdbutil dump -types -ids %t.nohash.pdb | FileCheck %s
|
||||
RUN: llvm-pdbutil dump -types -ids %t.hash.pdb | FileCheck %s
|
||||
RUN: llvm-pdbutil dump -types -ids %t.mixed.pdb | FileCheck %s
|
||||
|
||||
; These object files were generated via the following inputs and commands:
|
||||
; ----------------------------------------------
|
||||
; // obj.h
|
||||
; namespace NS {
|
||||
; struct Foo {
|
||||
; explicit Foo(int x) : X(x) {}
|
||||
; int X;
|
||||
; };
|
||||
;
|
||||
; int func(const Foo &f);
|
||||
; }
|
||||
; ----------------------------------------------
|
||||
; // obj1.cpp
|
||||
; #include "obj.h"
|
||||
;
|
||||
; int main(int argc, char **argv) {
|
||||
; NS::Foo f(argc);
|
||||
; return NS::func(f);
|
||||
; }
|
||||
; ----------------------------------------------
|
||||
; // obj2.cpp
|
||||
; #include "obj.h"
|
||||
;
|
||||
; int NS::func(const Foo &f) {
|
||||
; return 2 * f.X;
|
||||
; }
|
||||
; ----------------------------------------------
|
||||
; $ clang-cl /Z7 /GS- obj1.cpp /c /o obj1.obj
|
||||
; $ clang-cl /Z7 /GS- obj2.cpp /c /o obj2.obj
|
||||
|
||||
CHECK: Types (TPI Stream)
|
||||
CHECK-NEXT: ============================================================
|
||||
CHECK-NEXT: Showing 13 records
|
||||
CHECK-NEXT: 0x1000 | LF_POINTER [size = 12]
|
||||
CHECK-NEXT: referent = 0x0470 (char*), mode = pointer, opts = None, kind = ptr32
|
||||
CHECK-NEXT: 0x1001 | LF_ARGLIST [size = 16]
|
||||
CHECK-NEXT: 0x0074 (int): `int`
|
||||
CHECK-NEXT: 0x1000: `char**`
|
||||
CHECK-NEXT: 0x1002 | LF_PROCEDURE [size = 16]
|
||||
CHECK-NEXT: return type = 0x0074 (int), # args = 2, param list = 0x1001
|
||||
CHECK-NEXT: calling conv = cdecl, options = None
|
||||
CHECK-NEXT: 0x1003 | LF_STRUCTURE [size = 44] `NS::Foo`
|
||||
CHECK-NEXT: unique name: `.?AUFoo@NS@@`
|
||||
CHECK-NEXT: vtable: <no type>, base list: <no type>, field list: <no type>
|
||||
CHECK-NEXT: options: forward ref | has unique name
|
||||
CHECK-NEXT: 0x1004 | LF_POINTER [size = 12]
|
||||
CHECK-NEXT: referent = 0x1003, mode = pointer, opts = None, kind = ptr32
|
||||
CHECK-NEXT: 0x1005 | LF_ARGLIST [size = 12]
|
||||
CHECK-NEXT: 0x0074 (int): `int`
|
||||
CHECK-NEXT: 0x1006 | LF_MFUNCTION [size = 28]
|
||||
CHECK-NEXT: return type = 0x0003 (void), # args = 1, param list = 0x1005
|
||||
CHECK-NEXT: class type = 0x1003, this type = 0x1004, this adjust = 0
|
||||
CHECK-NEXT: calling conv = thiscall, options = None
|
||||
CHECK-NEXT: 0x1007 | LF_FIELDLIST [size = 28]
|
||||
CHECK-NEXT: - LF_MEMBER [name = `X`, Type = 0x0074 (int), offset = 0, attrs = public]
|
||||
CHECK-NEXT: - LF_ONEMETHOD [name = `Foo`]
|
||||
CHECK-NEXT: type = 0x1006, vftable offset = -1, attrs = public
|
||||
CHECK-NEXT: 0x1008 | LF_STRUCTURE [size = 44] `NS::Foo`
|
||||
CHECK-NEXT: unique name: `.?AUFoo@NS@@`
|
||||
CHECK-NEXT: vtable: <no type>, base list: <no type>, field list: 0x1007
|
||||
CHECK-NEXT: options: has unique name
|
||||
CHECK-NEXT: 0x1009 | LF_MODIFIER [size = 12]
|
||||
CHECK-NEXT: referent = 0x1003, modifiers = const
|
||||
CHECK-NEXT: 0x100A | LF_POINTER [size = 12]
|
||||
CHECK-NEXT: referent = 0x1009, mode = ref, opts = None, kind = ptr32
|
||||
CHECK-NEXT: 0x100B | LF_ARGLIST [size = 12]
|
||||
CHECK-NEXT: 0x100A: `const NS::Foo&`
|
||||
CHECK-NEXT: 0x100C | LF_PROCEDURE [size = 16]
|
||||
CHECK-NEXT: return type = 0x0074 (int), # args = 1, param list = 0x100B
|
||||
CHECK-NEXT: calling conv = cdecl, options = None
|
||||
CHECK: Types (IPI Stream)
|
||||
CHECK-NEXT: ============================================================
|
||||
CHECK-NEXT: Showing 6 records
|
||||
CHECK-NEXT: 0x1000 | LF_FUNC_ID [size = 20]
|
||||
CHECK-NEXT: name = main, type = 0x1002, parent scope = <no type>
|
||||
CHECK-NEXT: 0x1001 | LF_STRING_ID [size = 48] ID: <no type>, String: D:\src\llvmbuild\clang\Debug\x86\obj.h
|
||||
CHECK-NEXT: 0x1002 | LF_UDT_SRC_LINE [size = 16]
|
||||
CHECK-NEXT: udt = 0x1008, file = 4097, line = 2
|
||||
CHECK-NEXT: 0x1003 | LF_MFUNC_ID [size = 16]
|
||||
CHECK-NEXT: name = Foo, type = 0x1006, class type = 0x1003
|
||||
CHECK-NEXT: 0x1004 | LF_STRING_ID [size = 12] ID: <no type>, String: NS
|
||||
CHECK-NEXT: 0x1005 | LF_FUNC_ID [size = 20]
|
||||
CHECK-NEXT: name = func, type = 0x100C, parent scope = 0x1004
|
||||
|
|
@ -88,18 +88,39 @@ struct GloballyHashedType {
|
|||
ArrayRef<GloballyHashedType> PreviousTypes,
|
||||
ArrayRef<GloballyHashedType> PreviousIds);
|
||||
|
||||
/// Given a sequence of bytes representing a record, compute a global hash for
|
||||
/// this record. Due to the nature of global hashes incorporating the hashes
|
||||
/// of referenced records, this function requires a list of types and ids
|
||||
/// that RecordData might reference, indexable by TypeIndex.
|
||||
static GloballyHashedType hashType(CVType Type,
|
||||
ArrayRef<GloballyHashedType> PreviousTypes,
|
||||
ArrayRef<GloballyHashedType> PreviousIds) {
|
||||
return hashType(Type.RecordData, PreviousTypes, PreviousIds);
|
||||
}
|
||||
|
||||
/// Given a sequence of combined type and ID records, compute global hashes
|
||||
/// for each of them, returning the results in a vector of hashed types.
|
||||
template <typename Range>
|
||||
static std::vector<GloballyHashedType> hashTypes(Range &&Records) {
|
||||
std::vector<GloballyHashedType> Hashes;
|
||||
Hashes.reserve(std::distance(std::begin(Records), std::end(Records)));
|
||||
for (const auto &R : Records)
|
||||
Hashes.push_back(hashType(R, Hashes, Hashes));
|
||||
|
||||
return Hashes;
|
||||
}
|
||||
|
||||
/// Given a sequence of combined type and ID records, compute global hashes
|
||||
/// for each of them, returning the results in a vector of hashed types.
|
||||
template <typename Range>
|
||||
static std::vector<GloballyHashedType>
|
||||
hashIds(Range &&Records, ArrayRef<GloballyHashedType> TypeHashes) {
|
||||
std::vector<GloballyHashedType> IdHashes;
|
||||
for (const auto &R : Records)
|
||||
IdHashes.push_back(hashType(R, TypeHashes, IdHashes));
|
||||
|
||||
return IdHashes;
|
||||
}
|
||||
|
||||
static std::vector<GloballyHashedType>
|
||||
hashTypeCollection(TypeCollection &Types) {
|
||||
std::vector<GloballyHashedType> Hashes;
|
||||
|
|
@ -109,6 +130,11 @@ struct GloballyHashedType {
|
|||
return Hashes;
|
||||
}
|
||||
};
|
||||
static_assert(std::is_trivially_copyable<GloballyHashedType>::value,
|
||||
"GloballyHashedType must be trivially copyable so that we can "
|
||||
"reinterpret_cast arrays of hash data to arrays of "
|
||||
"GloballyHashedType");
|
||||
|
||||
} // namespace codeview
|
||||
|
||||
template <> struct DenseMapInfo<codeview::LocallyHashedType> {
|
||||
|
|
|
|||
|
|
@ -19,6 +19,8 @@ namespace llvm {
|
|||
namespace codeview {
|
||||
|
||||
class TypeIndex;
|
||||
struct GloballyHashedType;
|
||||
class GlobalTypeTableBuilder;
|
||||
class MergingTypeTableBuilder;
|
||||
|
||||
/// \brief Merge one set of type records into another. This method assumes
|
||||
|
|
@ -83,6 +85,22 @@ Error mergeTypeAndIdRecords(MergingTypeTableBuilder &DestIds,
|
|||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &IdsAndTypes);
|
||||
|
||||
Error mergeTypeAndIdRecords(GlobalTypeTableBuilder &DestIds,
|
||||
GlobalTypeTableBuilder &DestTypes,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &IdsAndTypes,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
|
||||
Error mergeTypeRecords(GlobalTypeTableBuilder &Dest,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &Types,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
|
||||
Error mergeIdRecords(GlobalTypeTableBuilder &Dest, ArrayRef<TypeIndex> Types,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &Ids,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
|
||||
} // end namespace codeview
|
||||
} // end namespace llvm
|
||||
|
||||
|
|
|
|||
|
|
@ -743,6 +743,12 @@ struct coff_resource_dir_table {
|
|||
support::ulittle16_t NumberOfIDEntries;
|
||||
};
|
||||
|
||||
struct debug_h_header {
|
||||
support::ulittle32_t Magic;
|
||||
support::ulittle16_t Version;
|
||||
support::ulittle16_t HashAlgorithm;
|
||||
};
|
||||
|
||||
class COFFObjectFile : public ObjectFile {
|
||||
private:
|
||||
friend class ImportDirectoryEntryRef;
|
||||
|
|
|
|||
|
|
@ -54,7 +54,7 @@ GloballyHashedType::hashType(ArrayRef<uint8_t> RecordData,
|
|||
reinterpret_cast<const TypeIndex *>(RefData.data()), Ref.Count);
|
||||
for (TypeIndex TI : Indices) {
|
||||
ArrayRef<uint8_t> BytesToHash;
|
||||
if (TI.isSimple() || TI.isNoneType()) {
|
||||
if (TI.isSimple() || TI.isNoneType() || TI.toArrayIndex() >= Prev.size()) {
|
||||
const uint8_t *IndexBytes = reinterpret_cast<const uint8_t *>(&TI);
|
||||
BytesToHash = makeArrayRef(IndexBytes, sizeof(TypeIndex));
|
||||
} else {
|
||||
|
|
|
|||
|
|
@ -10,6 +10,7 @@
|
|||
#include "llvm/DebugInfo/CodeView/TypeStreamMerger.h"
|
||||
#include "llvm/ADT/SmallString.h"
|
||||
#include "llvm/ADT/StringExtras.h"
|
||||
#include "llvm/DebugInfo/CodeView/GlobalTypeTableBuilder.h"
|
||||
#include "llvm/DebugInfo/CodeView/MergingTypeTableBuilder.h"
|
||||
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
|
||||
#include "llvm/DebugInfo/CodeView/TypeIndexDiscovery.h"
|
||||
|
|
@ -62,6 +63,7 @@ public:
|
|||
|
||||
static const TypeIndex Untranslated;
|
||||
|
||||
// Local hashing entry points
|
||||
Error mergeTypesAndIds(MergingTypeTableBuilder &DestIds,
|
||||
MergingTypeTableBuilder &DestTypes,
|
||||
const CVTypeArray &IdsAndTypes);
|
||||
|
|
@ -71,6 +73,18 @@ public:
|
|||
Error mergeTypeRecords(MergingTypeTableBuilder &Dest,
|
||||
const CVTypeArray &Types);
|
||||
|
||||
// Global hashing entry points
|
||||
Error mergeTypesAndIds(GlobalTypeTableBuilder &DestIds,
|
||||
GlobalTypeTableBuilder &DestTypes,
|
||||
const CVTypeArray &IdsAndTypes,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
Error mergeIdRecords(GlobalTypeTableBuilder &Dest,
|
||||
ArrayRef<TypeIndex> TypeSourceToDest,
|
||||
const CVTypeArray &Ids,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
Error mergeTypeRecords(GlobalTypeTableBuilder &Dest, const CVTypeArray &Types,
|
||||
ArrayRef<GloballyHashedType> Hashes);
|
||||
|
||||
private:
|
||||
Error doit(const CVTypeArray &Types);
|
||||
|
||||
|
|
@ -83,6 +97,14 @@ private:
|
|||
bool remapTypeIndex(TypeIndex &Idx);
|
||||
bool remapItemIndex(TypeIndex &Idx);
|
||||
|
||||
bool hasTypeStream() const {
|
||||
return (UseGlobalHashes) ? (!!DestGlobalTypeStream) : (!!DestTypeStream);
|
||||
}
|
||||
|
||||
bool hasIdStream() const {
|
||||
return (UseGlobalHashes) ? (!!DestGlobalIdStream) : (!!DestIdStream);
|
||||
}
|
||||
|
||||
ArrayRef<uint8_t> serializeRemapped(const RemappedType &Record);
|
||||
|
||||
bool remapIndices(RemappedType &Record, ArrayRef<TiReference> Refs);
|
||||
|
|
@ -100,6 +122,8 @@ private:
|
|||
|
||||
Optional<Error> LastError;
|
||||
|
||||
bool UseGlobalHashes = false;
|
||||
|
||||
bool IsSecondPass = false;
|
||||
|
||||
unsigned NumBadIndices = 0;
|
||||
|
|
@ -109,6 +133,11 @@ private:
|
|||
MergingTypeTableBuilder *DestIdStream = nullptr;
|
||||
MergingTypeTableBuilder *DestTypeStream = nullptr;
|
||||
|
||||
GlobalTypeTableBuilder *DestGlobalIdStream = nullptr;
|
||||
GlobalTypeTableBuilder *DestGlobalTypeStream = nullptr;
|
||||
|
||||
ArrayRef<GloballyHashedType> GlobalHashes;
|
||||
|
||||
// If we're only mapping id records, this array contains the mapping for
|
||||
// type records.
|
||||
ArrayRef<TypeIndex> TypeLookup;
|
||||
|
|
@ -209,7 +238,7 @@ bool TypeStreamMerger::remapTypeIndex(TypeIndex &Idx) {
|
|||
// special mapping from OldTypeStream -> NewTypeStream which was computed
|
||||
// externally. Regardless, we use this special map if and only if we are
|
||||
// doing an id-only mapping.
|
||||
if (DestTypeStream == nullptr)
|
||||
if (!hasTypeStream())
|
||||
return remapIndex(Idx, TypeLookup);
|
||||
|
||||
assert(TypeLookup.empty());
|
||||
|
|
@ -217,13 +246,15 @@ bool TypeStreamMerger::remapTypeIndex(TypeIndex &Idx) {
|
|||
}
|
||||
|
||||
bool TypeStreamMerger::remapItemIndex(TypeIndex &Idx) {
|
||||
assert(DestIdStream);
|
||||
assert(hasIdStream());
|
||||
return remapIndex(Idx, IndexMap);
|
||||
}
|
||||
|
||||
// Local hashing entry points
|
||||
Error TypeStreamMerger::mergeTypeRecords(MergingTypeTableBuilder &Dest,
|
||||
const CVTypeArray &Types) {
|
||||
DestTypeStream = &Dest;
|
||||
UseGlobalHashes = false;
|
||||
|
||||
return doit(Types);
|
||||
}
|
||||
|
|
@ -233,6 +264,7 @@ Error TypeStreamMerger::mergeIdRecords(MergingTypeTableBuilder &Dest,
|
|||
const CVTypeArray &Ids) {
|
||||
DestIdStream = &Dest;
|
||||
TypeLookup = TypeSourceToDest;
|
||||
UseGlobalHashes = false;
|
||||
|
||||
return doit(Ids);
|
||||
}
|
||||
|
|
@ -242,6 +274,41 @@ Error TypeStreamMerger::mergeTypesAndIds(MergingTypeTableBuilder &DestIds,
|
|||
const CVTypeArray &IdsAndTypes) {
|
||||
DestIdStream = &DestIds;
|
||||
DestTypeStream = &DestTypes;
|
||||
UseGlobalHashes = false;
|
||||
return doit(IdsAndTypes);
|
||||
}
|
||||
|
||||
// Global hashing entry points
|
||||
Error TypeStreamMerger::mergeTypeRecords(GlobalTypeTableBuilder &Dest,
|
||||
const CVTypeArray &Types,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
DestGlobalTypeStream = &Dest;
|
||||
UseGlobalHashes = true;
|
||||
GlobalHashes = Hashes;
|
||||
|
||||
return doit(Types);
|
||||
}
|
||||
|
||||
Error TypeStreamMerger::mergeIdRecords(GlobalTypeTableBuilder &Dest,
|
||||
ArrayRef<TypeIndex> TypeSourceToDest,
|
||||
const CVTypeArray &Ids,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
DestGlobalIdStream = &Dest;
|
||||
TypeLookup = TypeSourceToDest;
|
||||
UseGlobalHashes = true;
|
||||
GlobalHashes = Hashes;
|
||||
|
||||
return doit(Ids);
|
||||
}
|
||||
|
||||
Error TypeStreamMerger::mergeTypesAndIds(GlobalTypeTableBuilder &DestIds,
|
||||
GlobalTypeTableBuilder &DestTypes,
|
||||
const CVTypeArray &IdsAndTypes,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
DestGlobalIdStream = &DestIds;
|
||||
DestGlobalTypeStream = &DestTypes;
|
||||
UseGlobalHashes = true;
|
||||
GlobalHashes = Hashes;
|
||||
return doit(IdsAndTypes);
|
||||
}
|
||||
|
||||
|
|
@ -286,18 +353,29 @@ Error TypeStreamMerger::remapAllTypes(const CVTypeArray &Types) {
|
|||
}
|
||||
|
||||
Error TypeStreamMerger::remapType(const CVType &Type) {
|
||||
MergingTypeTableBuilder &Dest =
|
||||
isIdRecord(Type.kind()) ? *DestIdStream : *DestTypeStream;
|
||||
|
||||
RemappedType R(Type);
|
||||
SmallVector<TiReference, 32> Refs;
|
||||
discoverTypeIndices(Type.RecordData, Refs);
|
||||
bool MappedAllIndices = remapIndices(R, Refs);
|
||||
ArrayRef<uint8_t> Data = serializeRemapped(R);
|
||||
auto DoSerialize = [this, Type]() -> ArrayRef<uint8_t> {
|
||||
RemappedType R(Type);
|
||||
SmallVector<TiReference, 32> Refs;
|
||||
discoverTypeIndices(Type.RecordData, Refs);
|
||||
if (!remapIndices(R, Refs))
|
||||
return {};
|
||||
return serializeRemapped(R);
|
||||
};
|
||||
|
||||
TypeIndex DestIdx = Untranslated;
|
||||
if (MappedAllIndices)
|
||||
DestIdx = Dest.insertRecordBytes(Data);
|
||||
if (UseGlobalHashes) {
|
||||
GlobalTypeTableBuilder &Dest =
|
||||
isIdRecord(Type.kind()) ? *DestGlobalIdStream : *DestGlobalTypeStream;
|
||||
GloballyHashedType H = GlobalHashes[CurIndex.toArrayIndex()];
|
||||
DestIdx = Dest.insertRecordAs(H, DoSerialize);
|
||||
} else {
|
||||
MergingTypeTableBuilder &Dest =
|
||||
isIdRecord(Type.kind()) ? *DestIdStream : *DestTypeStream;
|
||||
|
||||
auto Data = DoSerialize();
|
||||
if (!Data.empty())
|
||||
DestIdx = Dest.insertRecordBytes(Data);
|
||||
}
|
||||
addMapping(DestIdx);
|
||||
|
||||
++CurIndex;
|
||||
|
|
@ -350,3 +428,28 @@ Error llvm::codeview::mergeTypeAndIdRecords(
|
|||
TypeStreamMerger M(SourceToDest);
|
||||
return M.mergeTypesAndIds(DestIds, DestTypes, IdsAndTypes);
|
||||
}
|
||||
|
||||
Error llvm::codeview::mergeTypeAndIdRecords(
|
||||
GlobalTypeTableBuilder &DestIds, GlobalTypeTableBuilder &DestTypes,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest, const CVTypeArray &IdsAndTypes,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
TypeStreamMerger M(SourceToDest);
|
||||
return M.mergeTypesAndIds(DestIds, DestTypes, IdsAndTypes, Hashes);
|
||||
}
|
||||
|
||||
Error llvm::codeview::mergeTypeRecords(GlobalTypeTableBuilder &Dest,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &Types,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
TypeStreamMerger M(SourceToDest);
|
||||
return M.mergeTypeRecords(Dest, Types, Hashes);
|
||||
}
|
||||
|
||||
Error llvm::codeview::mergeIdRecords(GlobalTypeTableBuilder &Dest,
|
||||
ArrayRef<TypeIndex> Types,
|
||||
SmallVectorImpl<TypeIndex> &SourceToDest,
|
||||
const CVTypeArray &Ids,
|
||||
ArrayRef<GloballyHashedType> Hashes) {
|
||||
TypeStreamMerger M(SourceToDest);
|
||||
return M.mergeIdRecords(Dest, Types, Ids, Hashes);
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue