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https://github.com/RPCS3/llvm-mirror.git
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064bbdf4f2
Previously support had been added for using CodeViewRecordIO to read (deserialize) CodeView type records. This patch adds support for writing those same records. With this patch, reading and writing of CodeView type records finally uses a single codepath. Differential Revision: https://reviews.llvm.org/D26253 llvm-svn: 286304
271 lines
11 KiB
C++
271 lines
11 KiB
C++
//===- PdbYAML.cpp -------------------------------------------- *- C++ --*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "PdbYaml.h"
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#include "YamlSerializationContext.h"
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#include "YamlSymbolDumper.h"
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#include "YamlTypeDumper.h"
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#include "llvm/DebugInfo/CodeView/CVSymbolVisitor.h"
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#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
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#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
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#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbackPipeline.h"
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#include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
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#include "llvm/DebugInfo/CodeView/TypeSerializer.h"
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#include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h"
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#include "llvm/DebugInfo/PDB/PDBExtras.h"
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#include "llvm/DebugInfo/PDB/PDBTypes.h"
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#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
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#include "llvm/DebugInfo/PDB/Raw/TpiHashing.h"
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using namespace llvm;
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using namespace llvm::pdb;
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using namespace llvm::pdb::yaml;
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using namespace llvm::yaml;
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LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint32_t)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::StringRef)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::NamedStreamMapping)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbDbiModuleInfo)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbSymbolRecord)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbTpiRecord)
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LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::StreamBlockList)
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namespace llvm {
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namespace yaml {
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template <> struct ScalarTraits<llvm::pdb::PDB_UniqueId> {
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static void output(const llvm::pdb::PDB_UniqueId &S, void *,
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llvm::raw_ostream &OS) {
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OS << S;
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}
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static StringRef input(StringRef Scalar, void *Ctx,
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llvm::pdb::PDB_UniqueId &S) {
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if (Scalar.size() != 38)
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return "GUID strings are 38 characters long";
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if (Scalar[0] != '{' || Scalar[37] != '}')
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return "GUID is not enclosed in {}";
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if (Scalar[9] != '-' || Scalar[14] != '-' || Scalar[19] != '-' ||
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Scalar[24] != '-')
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return "GUID sections are not properly delineated with dashes";
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char *OutBuffer = S.Guid;
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for (auto Iter = Scalar.begin(); Iter != Scalar.end();) {
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if (*Iter == '-' || *Iter == '{' || *Iter == '}') {
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++Iter;
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continue;
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}
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uint8_t Value = (llvm::hexDigitValue(*Iter) << 4);
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++Iter;
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Value |= llvm::hexDigitValue(*Iter);
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++Iter;
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*OutBuffer++ = Value;
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}
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return "";
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}
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static bool mustQuote(StringRef Scalar) { return needsQuotes(Scalar); }
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};
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template <> struct ScalarEnumerationTraits<llvm::pdb::PDB_Machine> {
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static void enumeration(IO &io, llvm::pdb::PDB_Machine &Value) {
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io.enumCase(Value, "Invalid", PDB_Machine::Invalid);
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io.enumCase(Value, "Am33", PDB_Machine::Am33);
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io.enumCase(Value, "Amd64", PDB_Machine::Amd64);
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io.enumCase(Value, "Arm", PDB_Machine::Arm);
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io.enumCase(Value, "ArmNT", PDB_Machine::ArmNT);
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io.enumCase(Value, "Ebc", PDB_Machine::Ebc);
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io.enumCase(Value, "x86", PDB_Machine::x86);
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io.enumCase(Value, "Ia64", PDB_Machine::Ia64);
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io.enumCase(Value, "M32R", PDB_Machine::M32R);
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io.enumCase(Value, "Mips16", PDB_Machine::Mips16);
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io.enumCase(Value, "MipsFpu", PDB_Machine::MipsFpu);
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io.enumCase(Value, "MipsFpu16", PDB_Machine::MipsFpu16);
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io.enumCase(Value, "PowerPCFP", PDB_Machine::PowerPCFP);
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io.enumCase(Value, "R4000", PDB_Machine::R4000);
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io.enumCase(Value, "SH3", PDB_Machine::SH3);
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io.enumCase(Value, "SH3DSP", PDB_Machine::SH3DSP);
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io.enumCase(Value, "Thumb", PDB_Machine::Thumb);
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io.enumCase(Value, "WceMipsV2", PDB_Machine::WceMipsV2);
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}
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};
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template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_DbiVer> {
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static void enumeration(IO &io, llvm::pdb::PdbRaw_DbiVer &Value) {
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io.enumCase(Value, "V41", llvm::pdb::PdbRaw_DbiVer::PdbDbiVC41);
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io.enumCase(Value, "V50", llvm::pdb::PdbRaw_DbiVer::PdbDbiV50);
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io.enumCase(Value, "V60", llvm::pdb::PdbRaw_DbiVer::PdbDbiV60);
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io.enumCase(Value, "V70", llvm::pdb::PdbRaw_DbiVer::PdbDbiV70);
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io.enumCase(Value, "V110", llvm::pdb::PdbRaw_DbiVer::PdbDbiV110);
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}
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};
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template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_ImplVer> {
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static void enumeration(IO &io, llvm::pdb::PdbRaw_ImplVer &Value) {
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io.enumCase(Value, "VC2", llvm::pdb::PdbRaw_ImplVer::PdbImplVC2);
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io.enumCase(Value, "VC4", llvm::pdb::PdbRaw_ImplVer::PdbImplVC4);
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io.enumCase(Value, "VC41", llvm::pdb::PdbRaw_ImplVer::PdbImplVC41);
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io.enumCase(Value, "VC50", llvm::pdb::PdbRaw_ImplVer::PdbImplVC50);
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io.enumCase(Value, "VC98", llvm::pdb::PdbRaw_ImplVer::PdbImplVC98);
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io.enumCase(Value, "VC70Dep", llvm::pdb::PdbRaw_ImplVer::PdbImplVC70Dep);
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io.enumCase(Value, "VC70", llvm::pdb::PdbRaw_ImplVer::PdbImplVC70);
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io.enumCase(Value, "VC80", llvm::pdb::PdbRaw_ImplVer::PdbImplVC80);
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io.enumCase(Value, "VC110", llvm::pdb::PdbRaw_ImplVer::PdbImplVC110);
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io.enumCase(Value, "VC140", llvm::pdb::PdbRaw_ImplVer::PdbImplVC140);
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}
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};
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template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_TpiVer> {
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static void enumeration(IO &io, llvm::pdb::PdbRaw_TpiVer &Value) {
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io.enumCase(Value, "VC40", llvm::pdb::PdbRaw_TpiVer::PdbTpiV40);
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io.enumCase(Value, "VC41", llvm::pdb::PdbRaw_TpiVer::PdbTpiV41);
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io.enumCase(Value, "VC50", llvm::pdb::PdbRaw_TpiVer::PdbTpiV50);
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io.enumCase(Value, "VC70", llvm::pdb::PdbRaw_TpiVer::PdbTpiV70);
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io.enumCase(Value, "VC80", llvm::pdb::PdbRaw_TpiVer::PdbTpiV80);
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}
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};
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}
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}
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void MappingTraits<PdbObject>::mapping(IO &IO, PdbObject &Obj) {
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IO.mapOptional("MSF", Obj.Headers);
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IO.mapOptional("StreamSizes", Obj.StreamSizes);
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IO.mapOptional("StreamMap", Obj.StreamMap);
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IO.mapOptional("PdbStream", Obj.PdbStream);
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IO.mapOptional("DbiStream", Obj.DbiStream);
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IO.mapOptionalWithContext("TpiStream", Obj.TpiStream, Obj.Allocator);
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IO.mapOptionalWithContext("IpiStream", Obj.IpiStream, Obj.Allocator);
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}
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void MappingTraits<MSFHeaders>::mapping(IO &IO, MSFHeaders &Obj) {
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IO.mapRequired("SuperBlock", Obj.SuperBlock);
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IO.mapRequired("NumDirectoryBlocks", Obj.NumDirectoryBlocks);
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IO.mapRequired("DirectoryBlocks", Obj.DirectoryBlocks);
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IO.mapRequired("NumStreams", Obj.NumStreams);
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IO.mapRequired("FileSize", Obj.FileSize);
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}
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void MappingTraits<msf::SuperBlock>::mapping(IO &IO, msf::SuperBlock &SB) {
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if (!IO.outputting()) {
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::memcpy(SB.MagicBytes, msf::Magic, sizeof(msf::Magic));
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}
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IO.mapRequired("BlockSize", SB.BlockSize);
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IO.mapRequired("FreeBlockMap", SB.FreeBlockMapBlock);
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IO.mapRequired("NumBlocks", SB.NumBlocks);
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IO.mapRequired("NumDirectoryBytes", SB.NumDirectoryBytes);
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IO.mapRequired("Unknown1", SB.Unknown1);
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IO.mapRequired("BlockMapAddr", SB.BlockMapAddr);
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}
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void MappingTraits<StreamBlockList>::mapping(IO &IO, StreamBlockList &SB) {
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IO.mapRequired("Stream", SB.Blocks);
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}
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void MappingTraits<PdbInfoStream>::mapping(IO &IO, PdbInfoStream &Obj) {
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IO.mapRequired("Age", Obj.Age);
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IO.mapRequired("Guid", Obj.Guid);
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IO.mapRequired("Signature", Obj.Signature);
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IO.mapRequired("Version", Obj.Version);
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IO.mapRequired("NamedStreams", Obj.NamedStreams);
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}
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void MappingTraits<PdbDbiStream>::mapping(IO &IO, PdbDbiStream &Obj) {
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IO.mapRequired("VerHeader", Obj.VerHeader);
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IO.mapRequired("Age", Obj.Age);
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IO.mapRequired("BuildNumber", Obj.BuildNumber);
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IO.mapRequired("PdbDllVersion", Obj.PdbDllVersion);
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IO.mapRequired("PdbDllRbld", Obj.PdbDllRbld);
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IO.mapRequired("Flags", Obj.Flags);
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IO.mapRequired("MachineType", Obj.MachineType);
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IO.mapOptional("Modules", Obj.ModInfos);
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}
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void MappingContextTraits<PdbTpiStream, BumpPtrAllocator>::mapping(
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IO &IO, pdb::yaml::PdbTpiStream &Obj, BumpPtrAllocator &Allocator) {
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// Create a single serialization context that will be passed through the
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// entire process of serializing / deserializing a Tpi Stream. This is
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// especially important when we are going from Pdb -> Yaml because we need
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// to maintain state in a TypeTableBuilder across mappings, and at the end of
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// the entire process, we need to have one TypeTableBuilder that has every
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// record.
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pdb::yaml::SerializationContext Context(IO, Allocator);
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IO.mapRequired("Version", Obj.Version);
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IO.mapRequired("Records", Obj.Records, Context);
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}
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void MappingTraits<NamedStreamMapping>::mapping(IO &IO,
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NamedStreamMapping &Obj) {
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IO.mapRequired("Name", Obj.StreamName);
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IO.mapRequired("StreamNum", Obj.StreamNumber);
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}
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void MappingTraits<PdbSymbolRecord>::mapping(IO &IO, PdbSymbolRecord &Obj) {
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codeview::SymbolVisitorCallbackPipeline Pipeline;
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codeview::SymbolDeserializer Deserializer(nullptr);
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codeview::yaml::YamlSymbolDumper Dumper(IO);
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if (IO.outputting()) {
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// For PDB to Yaml, deserialize into a high level record type, then dump it.
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Pipeline.addCallbackToPipeline(Deserializer);
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Pipeline.addCallbackToPipeline(Dumper);
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} else {
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return;
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}
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codeview::CVSymbolVisitor Visitor(Pipeline);
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consumeError(Visitor.visitSymbolRecord(Obj.Record));
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}
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void MappingTraits<PdbModiStream>::mapping(IO &IO, PdbModiStream &Obj) {
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IO.mapRequired("Signature", Obj.Signature);
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IO.mapRequired("Records", Obj.Symbols);
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}
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void MappingTraits<PdbDbiModuleInfo>::mapping(IO &IO, PdbDbiModuleInfo &Obj) {
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IO.mapRequired("Module", Obj.Mod);
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IO.mapRequired("ObjFile", Obj.Obj);
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IO.mapOptional("SourceFiles", Obj.SourceFiles);
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IO.mapOptional("Modi", Obj.Modi);
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}
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void MappingContextTraits<PdbTpiRecord, pdb::yaml::SerializationContext>::
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mapping(IO &IO, pdb::yaml::PdbTpiRecord &Obj,
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pdb::yaml::SerializationContext &Context) {
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codeview::TypeVisitorCallbackPipeline Pipeline;
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codeview::TypeDeserializer Deserializer;
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codeview::TypeSerializer Serializer(Context.Allocator);
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pdb::TpiHashUpdater Hasher;
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if (IO.outputting()) {
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// For PDB to Yaml, deserialize into a high level record type, then dump it.
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Pipeline.addCallbackToPipeline(Deserializer);
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Pipeline.addCallbackToPipeline(Context.Dumper);
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} else {
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// For Yaml to PDB, extract from the high level record type, then write it
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// to bytes.
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// This might be interpreted as a hack, but serializing FieldList
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// sub-records requires having access to the same serializer being used by
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// the FieldList itself.
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Context.ActiveSerializer = &Serializer;
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Pipeline.addCallbackToPipeline(Context.Dumper);
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Pipeline.addCallbackToPipeline(Serializer);
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Pipeline.addCallbackToPipeline(Hasher);
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}
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codeview::CVTypeVisitor Visitor(Pipeline);
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consumeError(Visitor.visitTypeRecord(Obj.Record));
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Context.ActiveSerializer = nullptr;
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}
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