Files
clang-p2996/llvm/tools/llvm-pdbdump/PdbYaml.cpp
Zachary Turner 2f951ce9c9 [codeview] Add TypeVisitorCallbackPipeline.
We were kind of hacking this together before by embedding the
ability to forward requests into the TypeDeserializer.  When
we want to start adding more different kinds of visitor callback
interfaces though, this doesn't scale well and is very inflexible.

So introduce the notion of a pipeline, which itself implements
the TypeVisitorCallbacks interface, but which contains an internal
list of other callbacks to invoke in sequence.

Also update the existing uses of CVTypeVisitor to use this new
pipeline class for deserializing records before visiting them
with another visitor.

llvm-svn: 280293
2016-08-31 21:42:26 +00:00

220 lines
8.4 KiB
C++

//===- PdbYAML.cpp -------------------------------------------- *- C++ --*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "PdbYaml.h"
#include "CodeViewYaml.h"
#include "llvm/DebugInfo/CodeView/CVTypeVisitor.h"
#include "llvm/DebugInfo/CodeView/TypeDeserializer.h"
#include "llvm/DebugInfo/CodeView/TypeVisitorCallbackPipeline.h"
#include "llvm/DebugInfo/PDB/PDBExtras.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
using namespace llvm;
using namespace llvm::pdb;
using namespace llvm::pdb::yaml;
using namespace llvm::yaml;
LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(uint32_t)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::StringRef)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::NamedStreamMapping)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbDbiModuleInfo)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::PdbTpiRecord)
LLVM_YAML_IS_SEQUENCE_VECTOR(llvm::pdb::yaml::StreamBlockList)
namespace llvm {
namespace yaml {
template <> struct ScalarTraits<llvm::pdb::PDB_UniqueId> {
static void output(const llvm::pdb::PDB_UniqueId &S, void *,
llvm::raw_ostream &OS) {
OS << S;
}
static StringRef input(StringRef Scalar, void *Ctx,
llvm::pdb::PDB_UniqueId &S) {
if (Scalar.size() != 38)
return "GUID strings are 38 characters long";
if (Scalar[0] != '{' || Scalar[37] != '}')
return "GUID is not enclosed in {}";
if (Scalar[9] != '-' || Scalar[14] != '-' || Scalar[19] != '-' ||
Scalar[24] != '-')
return "GUID sections are not properly delineated with dashes";
char *OutBuffer = S.Guid;
for (auto Iter = Scalar.begin(); Iter != Scalar.end();) {
if (*Iter == '-' || *Iter == '{' || *Iter == '}') {
++Iter;
continue;
}
uint8_t Value = (llvm::hexDigitValue(*Iter) << 4);
++Iter;
Value |= llvm::hexDigitValue(*Iter);
++Iter;
*OutBuffer++ = Value;
}
return "";
}
static bool mustQuote(StringRef Scalar) { return needsQuotes(Scalar); }
};
template <> struct ScalarEnumerationTraits<llvm::pdb::PDB_Machine> {
static void enumeration(IO &io, llvm::pdb::PDB_Machine &Value) {
io.enumCase(Value, "Invalid", PDB_Machine::Invalid);
io.enumCase(Value, "Am33", PDB_Machine::Am33);
io.enumCase(Value, "Amd64", PDB_Machine::Amd64);
io.enumCase(Value, "Arm", PDB_Machine::Arm);
io.enumCase(Value, "ArmNT", PDB_Machine::ArmNT);
io.enumCase(Value, "Ebc", PDB_Machine::Ebc);
io.enumCase(Value, "x86", PDB_Machine::x86);
io.enumCase(Value, "Ia64", PDB_Machine::Ia64);
io.enumCase(Value, "M32R", PDB_Machine::M32R);
io.enumCase(Value, "Mips16", PDB_Machine::Mips16);
io.enumCase(Value, "MipsFpu", PDB_Machine::MipsFpu);
io.enumCase(Value, "MipsFpu16", PDB_Machine::MipsFpu16);
io.enumCase(Value, "PowerPCFP", PDB_Machine::PowerPCFP);
io.enumCase(Value, "R4000", PDB_Machine::R4000);
io.enumCase(Value, "SH3", PDB_Machine::SH3);
io.enumCase(Value, "SH3DSP", PDB_Machine::SH3DSP);
io.enumCase(Value, "Thumb", PDB_Machine::Thumb);
io.enumCase(Value, "WceMipsV2", PDB_Machine::WceMipsV2);
}
};
template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_DbiVer> {
static void enumeration(IO &io, llvm::pdb::PdbRaw_DbiVer &Value) {
io.enumCase(Value, "V41", llvm::pdb::PdbRaw_DbiVer::PdbDbiVC41);
io.enumCase(Value, "V50", llvm::pdb::PdbRaw_DbiVer::PdbDbiV50);
io.enumCase(Value, "V60", llvm::pdb::PdbRaw_DbiVer::PdbDbiV60);
io.enumCase(Value, "V70", llvm::pdb::PdbRaw_DbiVer::PdbDbiV70);
io.enumCase(Value, "V110", llvm::pdb::PdbRaw_DbiVer::PdbDbiV110);
}
};
template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_ImplVer> {
static void enumeration(IO &io, llvm::pdb::PdbRaw_ImplVer &Value) {
io.enumCase(Value, "VC2", llvm::pdb::PdbRaw_ImplVer::PdbImplVC2);
io.enumCase(Value, "VC4", llvm::pdb::PdbRaw_ImplVer::PdbImplVC4);
io.enumCase(Value, "VC41", llvm::pdb::PdbRaw_ImplVer::PdbImplVC41);
io.enumCase(Value, "VC50", llvm::pdb::PdbRaw_ImplVer::PdbImplVC50);
io.enumCase(Value, "VC98", llvm::pdb::PdbRaw_ImplVer::PdbImplVC98);
io.enumCase(Value, "VC70Dep", llvm::pdb::PdbRaw_ImplVer::PdbImplVC70Dep);
io.enumCase(Value, "VC70", llvm::pdb::PdbRaw_ImplVer::PdbImplVC70);
io.enumCase(Value, "VC80", llvm::pdb::PdbRaw_ImplVer::PdbImplVC80);
io.enumCase(Value, "VC110", llvm::pdb::PdbRaw_ImplVer::PdbImplVC110);
io.enumCase(Value, "VC140", llvm::pdb::PdbRaw_ImplVer::PdbImplVC140);
}
};
template <> struct ScalarEnumerationTraits<llvm::pdb::PdbRaw_TpiVer> {
static void enumeration(IO &io, llvm::pdb::PdbRaw_TpiVer &Value) {
io.enumCase(Value, "VC40", llvm::pdb::PdbRaw_TpiVer::PdbTpiV40);
io.enumCase(Value, "VC41", llvm::pdb::PdbRaw_TpiVer::PdbTpiV41);
io.enumCase(Value, "VC50", llvm::pdb::PdbRaw_TpiVer::PdbTpiV50);
io.enumCase(Value, "VC70", llvm::pdb::PdbRaw_TpiVer::PdbTpiV70);
io.enumCase(Value, "VC80", llvm::pdb::PdbRaw_TpiVer::PdbTpiV80);
}
};
}
}
void MappingTraits<PdbObject>::mapping(IO &IO, PdbObject &Obj) {
IO.mapOptional("MSF", Obj.Headers);
IO.mapOptional("StreamSizes", Obj.StreamSizes);
IO.mapOptional("StreamMap", Obj.StreamMap);
IO.mapOptional("PdbStream", Obj.PdbStream);
IO.mapOptional("DbiStream", Obj.DbiStream);
IO.mapOptional("TpiStream", Obj.TpiStream);
}
void MappingTraits<MSFHeaders>::mapping(IO &IO, MSFHeaders &Obj) {
IO.mapRequired("SuperBlock", Obj.SuperBlock);
IO.mapRequired("NumDirectoryBlocks", Obj.NumDirectoryBlocks);
IO.mapRequired("DirectoryBlocks", Obj.DirectoryBlocks);
IO.mapRequired("NumStreams", Obj.NumStreams);
IO.mapRequired("FileSize", Obj.FileSize);
}
void MappingTraits<msf::SuperBlock>::mapping(IO &IO, msf::SuperBlock &SB) {
if (!IO.outputting()) {
::memcpy(SB.MagicBytes, msf::Magic, sizeof(msf::Magic));
}
IO.mapRequired("BlockSize", SB.BlockSize);
IO.mapRequired("FreeBlockMap", SB.FreeBlockMapBlock);
IO.mapRequired("NumBlocks", SB.NumBlocks);
IO.mapRequired("NumDirectoryBytes", SB.NumDirectoryBytes);
IO.mapRequired("Unknown1", SB.Unknown1);
IO.mapRequired("BlockMapAddr", SB.BlockMapAddr);
}
void MappingTraits<StreamBlockList>::mapping(IO &IO, StreamBlockList &SB) {
IO.mapRequired("Stream", SB.Blocks);
}
void MappingTraits<PdbInfoStream>::mapping(IO &IO, PdbInfoStream &Obj) {
IO.mapRequired("Age", Obj.Age);
IO.mapRequired("Guid", Obj.Guid);
IO.mapRequired("Signature", Obj.Signature);
IO.mapRequired("Version", Obj.Version);
IO.mapRequired("NamedStreams", Obj.NamedStreams);
}
void MappingTraits<PdbDbiStream>::mapping(IO &IO, PdbDbiStream &Obj) {
IO.mapRequired("VerHeader", Obj.VerHeader);
IO.mapRequired("Age", Obj.Age);
IO.mapRequired("BuildNumber", Obj.BuildNumber);
IO.mapRequired("PdbDllVersion", Obj.PdbDllVersion);
IO.mapRequired("PdbDllRbld", Obj.PdbDllRbld);
IO.mapRequired("Flags", Obj.Flags);
IO.mapRequired("MachineType", Obj.MachineType);
IO.mapOptional("Modules", Obj.ModInfos);
}
void MappingTraits<PdbTpiStream>::mapping(IO &IO,
pdb::yaml::PdbTpiStream &Obj) {
IO.mapRequired("Version", Obj.Version);
IO.mapRequired("Records", Obj.Records);
}
void MappingTraits<NamedStreamMapping>::mapping(IO &IO,
NamedStreamMapping &Obj) {
IO.mapRequired("Name", Obj.StreamName);
IO.mapRequired("StreamNum", Obj.StreamNumber);
}
void MappingTraits<PdbDbiModuleInfo>::mapping(IO &IO, PdbDbiModuleInfo &Obj) {
IO.mapRequired("Module", Obj.Mod);
IO.mapRequired("ObjFile", Obj.Obj);
IO.mapOptional("SourceFiles", Obj.SourceFiles);
}
void MappingTraits<PdbTpiRecord>::mapping(IO &IO,
pdb::yaml::PdbTpiRecord &Obj) {
if (IO.outputting()) {
codeview::TypeDeserializer Deserializer;
codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
codeview::TypeVisitorCallbackPipeline Pipeline;
Pipeline.addCallbackToPipeline(Deserializer);
Pipeline.addCallbackToPipeline(Callbacks);
codeview::CVTypeVisitor Visitor(Pipeline);
consumeError(Visitor.visitTypeRecord(Obj.Record));
} else {
codeview::yaml::YamlTypeDumperCallbacks Callbacks(IO);
codeview::CVTypeVisitor Visitor(Callbacks);
consumeError(Visitor.visitTypeRecord(Obj.Record));
}
}