llvm-mirror/lib/ObjectYAML/CodeViewYAMLSymbols.cpp
Chandler Carruth ae65e281f3 Update the file headers across all of the LLVM projects in the monorepo
to reflect the new license.

We understand that people may be surprised that we're moving the header
entirely to discuss the new license. We checked this carefully with the
Foundation's lawyer and we believe this is the correct approach.

Essentially, all code in the project is now made available by the LLVM
project under our new license, so you will see that the license headers
include that license only. Some of our contributors have contributed
code under our old license, and accordingly, we have retained a copy of
our old license notice in the top-level files in each project and
repository.

llvm-svn: 351636
2019-01-19 08:50:56 +00:00

631 lines
22 KiB
C++

//===- CodeViewYAMLSymbols.cpp - CodeView YAMLIO Symbol implementation ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines classes for handling the YAML representation of CodeView
// Debug Info.
//
//===----------------------------------------------------------------------===//
#include "llvm/ObjectYAML/CodeViewYAMLSymbols.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/CodeViewError.h"
#include "llvm/DebugInfo/CodeView/EnumTables.h"
#include "llvm/DebugInfo/CodeView/RecordSerialization.h"
#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/SymbolSerializer.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/ObjectYAML/YAML.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/YAMLTraits.h"
#include <algorithm>
#include <cstdint>
#include <cstring>
#include <string>
#include <vector>
using namespace llvm;
using namespace llvm::codeview;
using namespace llvm::CodeViewYAML;
using namespace llvm::CodeViewYAML::detail;
using namespace llvm::yaml;
LLVM_YAML_IS_FLOW_SEQUENCE_VECTOR(TypeIndex)
LLVM_YAML_IS_SEQUENCE_VECTOR(LocalVariableAddrGap)
// We only need to declare these, the definitions are in CodeViewYAMLTypes.cpp
LLVM_YAML_DECLARE_SCALAR_TRAITS(APSInt, QuotingType::None)
LLVM_YAML_DECLARE_SCALAR_TRAITS(TypeIndex, QuotingType::None)
LLVM_YAML_DECLARE_ENUM_TRAITS(SymbolKind)
LLVM_YAML_DECLARE_ENUM_TRAITS(FrameCookieKind)
LLVM_YAML_DECLARE_BITSET_TRAITS(CompileSym2Flags)
LLVM_YAML_DECLARE_BITSET_TRAITS(CompileSym3Flags)
LLVM_YAML_DECLARE_BITSET_TRAITS(ExportFlags)
LLVM_YAML_DECLARE_BITSET_TRAITS(PublicSymFlags)
LLVM_YAML_DECLARE_BITSET_TRAITS(LocalSymFlags)
LLVM_YAML_DECLARE_BITSET_TRAITS(ProcSymFlags)
LLVM_YAML_DECLARE_BITSET_TRAITS(FrameProcedureOptions)
LLVM_YAML_DECLARE_ENUM_TRAITS(CPUType)
LLVM_YAML_DECLARE_ENUM_TRAITS(RegisterId)
LLVM_YAML_DECLARE_ENUM_TRAITS(TrampolineType)
LLVM_YAML_DECLARE_ENUM_TRAITS(ThunkOrdinal)
LLVM_YAML_STRONG_TYPEDEF(StringRef, TypeName)
LLVM_YAML_DECLARE_SCALAR_TRAITS(TypeName, QuotingType::Single)
StringRef ScalarTraits<TypeName>::input(StringRef S, void *V, TypeName &T) {
return ScalarTraits<StringRef>::input(S, V, T.value);
}
void ScalarTraits<TypeName>::output(const TypeName &T, void *V,
raw_ostream &R) {
ScalarTraits<StringRef>::output(T.value, V, R);
}
void ScalarEnumerationTraits<SymbolKind>::enumeration(IO &io,
SymbolKind &Value) {
auto SymbolNames = getSymbolTypeNames();
for (const auto &E : SymbolNames)
io.enumCase(Value, E.Name.str().c_str(), E.Value);
}
void ScalarBitSetTraits<CompileSym2Flags>::bitset(IO &io,
CompileSym2Flags &Flags) {
auto FlagNames = getCompileSym2FlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<CompileSym2Flags>(E.Value));
}
}
void ScalarBitSetTraits<CompileSym3Flags>::bitset(IO &io,
CompileSym3Flags &Flags) {
auto FlagNames = getCompileSym3FlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<CompileSym3Flags>(E.Value));
}
}
void ScalarBitSetTraits<ExportFlags>::bitset(IO &io, ExportFlags &Flags) {
auto FlagNames = getExportSymFlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<ExportFlags>(E.Value));
}
}
void ScalarBitSetTraits<PublicSymFlags>::bitset(IO &io, PublicSymFlags &Flags) {
auto FlagNames = getPublicSymFlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<PublicSymFlags>(E.Value));
}
}
void ScalarBitSetTraits<LocalSymFlags>::bitset(IO &io, LocalSymFlags &Flags) {
auto FlagNames = getLocalFlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<LocalSymFlags>(E.Value));
}
}
void ScalarBitSetTraits<ProcSymFlags>::bitset(IO &io, ProcSymFlags &Flags) {
auto FlagNames = getProcSymFlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<ProcSymFlags>(E.Value));
}
}
void ScalarBitSetTraits<FrameProcedureOptions>::bitset(
IO &io, FrameProcedureOptions &Flags) {
auto FlagNames = getFrameProcSymFlagNames();
for (const auto &E : FlagNames) {
io.bitSetCase(Flags, E.Name.str().c_str(),
static_cast<FrameProcedureOptions>(E.Value));
}
}
void ScalarEnumerationTraits<CPUType>::enumeration(IO &io, CPUType &Cpu) {
auto CpuNames = getCPUTypeNames();
for (const auto &E : CpuNames) {
io.enumCase(Cpu, E.Name.str().c_str(), static_cast<CPUType>(E.Value));
}
}
void ScalarEnumerationTraits<RegisterId>::enumeration(IO &io, RegisterId &Reg) {
auto RegNames = getRegisterNames();
for (const auto &E : RegNames) {
io.enumCase(Reg, E.Name.str().c_str(), static_cast<RegisterId>(E.Value));
}
io.enumFallback<Hex16>(Reg);
}
void ScalarEnumerationTraits<TrampolineType>::enumeration(
IO &io, TrampolineType &Tramp) {
auto TrampNames = getTrampolineNames();
for (const auto &E : TrampNames) {
io.enumCase(Tramp, E.Name.str().c_str(),
static_cast<TrampolineType>(E.Value));
}
}
void ScalarEnumerationTraits<ThunkOrdinal>::enumeration(IO &io,
ThunkOrdinal &Ord) {
auto ThunkNames = getThunkOrdinalNames();
for (const auto &E : ThunkNames) {
io.enumCase(Ord, E.Name.str().c_str(), static_cast<ThunkOrdinal>(E.Value));
}
}
void ScalarEnumerationTraits<FrameCookieKind>::enumeration(
IO &io, FrameCookieKind &FC) {
auto ThunkNames = getFrameCookieKindNames();
for (const auto &E : ThunkNames) {
io.enumCase(FC, E.Name.str().c_str(),
static_cast<FrameCookieKind>(E.Value));
}
}
namespace llvm {
namespace yaml {
template <> struct MappingTraits<LocalVariableAddrRange> {
static void mapping(IO &io, LocalVariableAddrRange &Range) {
io.mapRequired("OffsetStart", Range.OffsetStart);
io.mapRequired("ISectStart", Range.ISectStart);
io.mapRequired("Range", Range.Range);
}
};
template <> struct MappingTraits<LocalVariableAddrGap> {
static void mapping(IO &io, LocalVariableAddrGap &Gap) {
io.mapRequired("GapStartOffset", Gap.GapStartOffset);
io.mapRequired("Range", Gap.Range);
}
};
} // namespace yaml
} // namespace llvm
namespace llvm {
namespace CodeViewYAML {
namespace detail {
struct SymbolRecordBase {
codeview::SymbolKind Kind;
explicit SymbolRecordBase(codeview::SymbolKind K) : Kind(K) {}
virtual ~SymbolRecordBase() = default;
virtual void map(yaml::IO &io) = 0;
virtual codeview::CVSymbol
toCodeViewSymbol(BumpPtrAllocator &Allocator,
CodeViewContainer Container) const = 0;
virtual Error fromCodeViewSymbol(codeview::CVSymbol Type) = 0;
};
template <typename T> struct SymbolRecordImpl : public SymbolRecordBase {
explicit SymbolRecordImpl(codeview::SymbolKind K)
: SymbolRecordBase(K), Symbol(static_cast<SymbolRecordKind>(K)) {}
void map(yaml::IO &io) override;
codeview::CVSymbol
toCodeViewSymbol(BumpPtrAllocator &Allocator,
CodeViewContainer Container) const override {
return SymbolSerializer::writeOneSymbol(Symbol, Allocator, Container);
}
Error fromCodeViewSymbol(codeview::CVSymbol CVS) override {
return SymbolDeserializer::deserializeAs<T>(CVS, Symbol);
}
mutable T Symbol;
};
struct UnknownSymbolRecord : public SymbolRecordBase {
explicit UnknownSymbolRecord(codeview::SymbolKind K) : SymbolRecordBase(K) {}
void map(yaml::IO &io) override;
CVSymbol toCodeViewSymbol(BumpPtrAllocator &Allocator,
CodeViewContainer Container) const override {
RecordPrefix Prefix;
uint32_t TotalLen = sizeof(RecordPrefix) + Data.size();
Prefix.RecordKind = Kind;
Prefix.RecordLen = TotalLen - 2;
uint8_t *Buffer = Allocator.Allocate<uint8_t>(TotalLen);
::memcpy(Buffer, &Prefix, sizeof(RecordPrefix));
::memcpy(Buffer + sizeof(RecordPrefix), Data.data(), Data.size());
return CVSymbol(Kind, ArrayRef<uint8_t>(Buffer, TotalLen));
}
Error fromCodeViewSymbol(CVSymbol CVS) override {
this->Kind = CVS.kind();
Data = CVS.RecordData.drop_front(sizeof(RecordPrefix));
return Error::success();
}
std::vector<uint8_t> Data;
};
template <> void SymbolRecordImpl<ScopeEndSym>::map(IO &IO) {}
void UnknownSymbolRecord::map(yaml::IO &io) {
yaml::BinaryRef Binary;
if (io.outputting())
Binary = yaml::BinaryRef(Data);
io.mapRequired("Data", Binary);
if (!io.outputting()) {
std::string Str;
raw_string_ostream OS(Str);
Binary.writeAsBinary(OS);
OS.flush();
Data.assign(Str.begin(), Str.end());
}
}
template <> void SymbolRecordImpl<Thunk32Sym>::map(IO &IO) {
IO.mapRequired("Parent", Symbol.Parent);
IO.mapRequired("End", Symbol.End);
IO.mapRequired("Next", Symbol.Next);
IO.mapRequired("Off", Symbol.Offset);
IO.mapRequired("Seg", Symbol.Segment);
IO.mapRequired("Len", Symbol.Length);
IO.mapRequired("Ordinal", Symbol.Thunk);
}
template <> void SymbolRecordImpl<TrampolineSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("Size", Symbol.Size);
IO.mapRequired("ThunkOff", Symbol.ThunkOffset);
IO.mapRequired("TargetOff", Symbol.TargetOffset);
IO.mapRequired("ThunkSection", Symbol.ThunkSection);
IO.mapRequired("TargetSection", Symbol.TargetSection);
}
template <> void SymbolRecordImpl<SectionSym>::map(IO &IO) {
IO.mapRequired("SectionNumber", Symbol.SectionNumber);
IO.mapRequired("Alignment", Symbol.Alignment);
IO.mapRequired("Rva", Symbol.Rva);
IO.mapRequired("Length", Symbol.Length);
IO.mapRequired("Characteristics", Symbol.Characteristics);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<CoffGroupSym>::map(IO &IO) {
IO.mapRequired("Size", Symbol.Size);
IO.mapRequired("Characteristics", Symbol.Characteristics);
IO.mapRequired("Offset", Symbol.Offset);
IO.mapRequired("Segment", Symbol.Segment);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<ExportSym>::map(IO &IO) {
IO.mapRequired("Ordinal", Symbol.Ordinal);
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<ProcSym>::map(IO &IO) {
IO.mapOptional("PtrParent", Symbol.Parent, 0U);
IO.mapOptional("PtrEnd", Symbol.End, 0U);
IO.mapOptional("PtrNext", Symbol.Next, 0U);
IO.mapRequired("CodeSize", Symbol.CodeSize);
IO.mapRequired("DbgStart", Symbol.DbgStart);
IO.mapRequired("DbgEnd", Symbol.DbgEnd);
IO.mapRequired("FunctionType", Symbol.FunctionType);
IO.mapOptional("Offset", Symbol.CodeOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("DisplayName", Symbol.Name);
}
template <> void SymbolRecordImpl<RegisterSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Index);
IO.mapRequired("Seg", Symbol.Register);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<PublicSym32>::map(IO &IO) {
IO.mapRequired("Flags", Symbol.Flags);
IO.mapOptional("Offset", Symbol.Offset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<ProcRefSym>::map(IO &IO) {
IO.mapRequired("SumName", Symbol.SumName);
IO.mapRequired("SymOffset", Symbol.SymOffset);
IO.mapRequired("Mod", Symbol.Module);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<EnvBlockSym>::map(IO &IO) {
IO.mapRequired("Entries", Symbol.Fields);
}
template <> void SymbolRecordImpl<InlineSiteSym>::map(IO &IO) {
IO.mapOptional("PtrParent", Symbol.Parent, 0U);
IO.mapOptional("PtrEnd", Symbol.End, 0U);
IO.mapRequired("Inlinee", Symbol.Inlinee);
// TODO: The binary annotations
}
template <> void SymbolRecordImpl<LocalSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("VarName", Symbol.Name);
}
template <> void SymbolRecordImpl<DefRangeSym>::map(IO &IO) {
IO.mapRequired("Program", Symbol.Program);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <> void SymbolRecordImpl<DefRangeSubfieldSym>::map(IO &IO) {
IO.mapRequired("Program", Symbol.Program);
IO.mapRequired("OffsetInParent", Symbol.OffsetInParent);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <> void SymbolRecordImpl<DefRangeRegisterSym>::map(IO &IO) {
IO.mapRequired("Register", Symbol.Hdr.Register);
IO.mapRequired("MayHaveNoName", Symbol.Hdr.MayHaveNoName);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <> void SymbolRecordImpl<DefRangeFramePointerRelSym>::map(IO &IO) {
IO.mapRequired("Offset", Symbol.Offset);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <> void SymbolRecordImpl<DefRangeSubfieldRegisterSym>::map(IO &IO) {
IO.mapRequired("Register", Symbol.Hdr.Register);
IO.mapRequired("MayHaveNoName", Symbol.Hdr.MayHaveNoName);
IO.mapRequired("OffsetInParent", Symbol.Hdr.OffsetInParent);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <>
void SymbolRecordImpl<DefRangeFramePointerRelFullScopeSym>::map(IO &IO) {
IO.mapRequired("Register", Symbol.Offset);
}
template <> void SymbolRecordImpl<DefRangeRegisterRelSym>::map(IO &IO) {
IO.mapRequired("Register", Symbol.Hdr.Register);
IO.mapRequired("Flags", Symbol.Hdr.Flags);
IO.mapRequired("BasePointerOffset", Symbol.Hdr.BasePointerOffset);
IO.mapRequired("Range", Symbol.Range);
IO.mapRequired("Gaps", Symbol.Gaps);
}
template <> void SymbolRecordImpl<BlockSym>::map(IO &IO) {
IO.mapOptional("PtrParent", Symbol.Parent, 0U);
IO.mapOptional("PtrEnd", Symbol.End, 0U);
IO.mapRequired("CodeSize", Symbol.CodeSize);
IO.mapOptional("Offset", Symbol.CodeOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("BlockName", Symbol.Name);
}
template <> void SymbolRecordImpl<LabelSym>::map(IO &IO) {
IO.mapOptional("Offset", Symbol.CodeOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("DisplayName", Symbol.Name);
}
template <> void SymbolRecordImpl<ObjNameSym>::map(IO &IO) {
IO.mapRequired("Signature", Symbol.Signature);
IO.mapRequired("ObjectName", Symbol.Name);
}
template <> void SymbolRecordImpl<Compile2Sym>::map(IO &IO) {
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("Machine", Symbol.Machine);
IO.mapRequired("FrontendMajor", Symbol.VersionFrontendMajor);
IO.mapRequired("FrontendMinor", Symbol.VersionFrontendMinor);
IO.mapRequired("FrontendBuild", Symbol.VersionFrontendBuild);
IO.mapRequired("BackendMajor", Symbol.VersionBackendMajor);
IO.mapRequired("BackendMinor", Symbol.VersionBackendMinor);
IO.mapRequired("BackendBuild", Symbol.VersionBackendBuild);
IO.mapRequired("Version", Symbol.Version);
}
template <> void SymbolRecordImpl<Compile3Sym>::map(IO &IO) {
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("Machine", Symbol.Machine);
IO.mapRequired("FrontendMajor", Symbol.VersionFrontendMajor);
IO.mapRequired("FrontendMinor", Symbol.VersionFrontendMinor);
IO.mapRequired("FrontendBuild", Symbol.VersionFrontendBuild);
IO.mapRequired("FrontendQFE", Symbol.VersionFrontendQFE);
IO.mapRequired("BackendMajor", Symbol.VersionBackendMajor);
IO.mapRequired("BackendMinor", Symbol.VersionBackendMinor);
IO.mapRequired("BackendBuild", Symbol.VersionBackendBuild);
IO.mapRequired("BackendQFE", Symbol.VersionBackendQFE);
IO.mapRequired("Version", Symbol.Version);
}
template <> void SymbolRecordImpl<FrameProcSym>::map(IO &IO) {
IO.mapRequired("TotalFrameBytes", Symbol.TotalFrameBytes);
IO.mapRequired("PaddingFrameBytes", Symbol.PaddingFrameBytes);
IO.mapRequired("OffsetToPadding", Symbol.OffsetToPadding);
IO.mapRequired("BytesOfCalleeSavedRegisters",
Symbol.BytesOfCalleeSavedRegisters);
IO.mapRequired("OffsetOfExceptionHandler", Symbol.OffsetOfExceptionHandler);
IO.mapRequired("SectionIdOfExceptionHandler",
Symbol.SectionIdOfExceptionHandler);
IO.mapRequired("Flags", Symbol.Flags);
}
template <> void SymbolRecordImpl<CallSiteInfoSym>::map(IO &IO) {
IO.mapOptional("Offset", Symbol.CodeOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("Type", Symbol.Type);
}
template <> void SymbolRecordImpl<FileStaticSym>::map(IO &IO) {
IO.mapRequired("Index", Symbol.Index);
IO.mapRequired("ModFilenameOffset", Symbol.ModFilenameOffset);
IO.mapRequired("Flags", Symbol.Flags);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<HeapAllocationSiteSym>::map(IO &IO) {
IO.mapOptional("Offset", Symbol.CodeOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("CallInstructionSize", Symbol.CallInstructionSize);
IO.mapRequired("Type", Symbol.Type);
}
template <> void SymbolRecordImpl<FrameCookieSym>::map(IO &IO) {
IO.mapRequired("Register", Symbol.Register);
IO.mapRequired("CookieKind", Symbol.CookieKind);
IO.mapRequired("Flags", Symbol.Flags);
}
template <> void SymbolRecordImpl<CallerSym>::map(IO &IO) {
IO.mapRequired("FuncID", Symbol.Indices);
}
template <> void SymbolRecordImpl<UDTSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("UDTName", Symbol.Name);
}
template <> void SymbolRecordImpl<BuildInfoSym>::map(IO &IO) {
IO.mapRequired("BuildId", Symbol.BuildId);
}
template <> void SymbolRecordImpl<BPRelativeSym>::map(IO &IO) {
IO.mapRequired("Offset", Symbol.Offset);
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("VarName", Symbol.Name);
}
template <> void SymbolRecordImpl<RegRelativeSym>::map(IO &IO) {
IO.mapRequired("Offset", Symbol.Offset);
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("Register", Symbol.Register);
IO.mapRequired("VarName", Symbol.Name);
}
template <> void SymbolRecordImpl<ConstantSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapRequired("Value", Symbol.Value);
IO.mapRequired("Name", Symbol.Name);
}
template <> void SymbolRecordImpl<DataSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapOptional("Offset", Symbol.DataOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("DisplayName", Symbol.Name);
}
template <> void SymbolRecordImpl<ThreadLocalDataSym>::map(IO &IO) {
IO.mapRequired("Type", Symbol.Type);
IO.mapOptional("Offset", Symbol.DataOffset, 0U);
IO.mapOptional("Segment", Symbol.Segment, uint16_t(0));
IO.mapRequired("DisplayName", Symbol.Name);
}
template <> void SymbolRecordImpl<UsingNamespaceSym>::map(IO &IO) {
IO.mapRequired("Namespace", Symbol.Name);
}
} // end namespace detail
} // end namespace CodeViewYAML
} // end namespace llvm
CVSymbol CodeViewYAML::SymbolRecord::toCodeViewSymbol(
BumpPtrAllocator &Allocator, CodeViewContainer Container) const {
return Symbol->toCodeViewSymbol(Allocator, Container);
}
namespace llvm {
namespace yaml {
template <> struct MappingTraits<SymbolRecordBase> {
static void mapping(IO &io, SymbolRecordBase &Record) { Record.map(io); }
};
} // end namespace yaml
} // end namespace llvm
template <typename SymbolType>
static inline Expected<CodeViewYAML::SymbolRecord>
fromCodeViewSymbolImpl(CVSymbol Symbol) {
CodeViewYAML::SymbolRecord Result;
auto Impl = std::make_shared<SymbolType>(Symbol.kind());
if (auto EC = Impl->fromCodeViewSymbol(Symbol))
return std::move(EC);
Result.Symbol = Impl;
return Result;
}
Expected<CodeViewYAML::SymbolRecord>
CodeViewYAML::SymbolRecord::fromCodeViewSymbol(CVSymbol Symbol) {
#define SYMBOL_RECORD(EnumName, EnumVal, ClassName) \
case EnumName: \
return fromCodeViewSymbolImpl<SymbolRecordImpl<ClassName>>(Symbol);
#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, AliasName, ClassName) \
SYMBOL_RECORD(EnumName, EnumVal, ClassName)
switch (Symbol.kind()) {
#include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
default:
return fromCodeViewSymbolImpl<UnknownSymbolRecord>(Symbol);
}
return make_error<CodeViewError>(cv_error_code::corrupt_record);
}
template <typename ConcreteType>
static void mapSymbolRecordImpl(IO &IO, const char *Class, SymbolKind Kind,
CodeViewYAML::SymbolRecord &Obj) {
if (!IO.outputting())
Obj.Symbol = std::make_shared<ConcreteType>(Kind);
IO.mapRequired(Class, *Obj.Symbol);
}
void MappingTraits<CodeViewYAML::SymbolRecord>::mapping(
IO &IO, CodeViewYAML::SymbolRecord &Obj) {
SymbolKind Kind;
if (IO.outputting())
Kind = Obj.Symbol->Kind;
IO.mapRequired("Kind", Kind);
#define SYMBOL_RECORD(EnumName, EnumVal, ClassName) \
case EnumName: \
mapSymbolRecordImpl<SymbolRecordImpl<ClassName>>(IO, #ClassName, Kind, \
Obj); \
break;
#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, AliasName, ClassName) \
SYMBOL_RECORD(EnumName, EnumVal, ClassName)
switch (Kind) {
#include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
default:
mapSymbolRecordImpl<UnknownSymbolRecord>(IO, "UnknownSym", Kind, Obj);
}
}