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llvm-mirror/lib/DebugInfo/CodeView/SymbolDumper.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

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//===-- SymbolDumper.cpp - CodeView symbol info dumper ----------*- C++ -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/CodeView/SymbolDumper.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/DebugInfo/CodeView/CVSymbolVisitor.h"
#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/DebugInfo/CodeView/EnumTables.h"
#include "llvm/DebugInfo/CodeView/SymbolDeserializer.h"
#include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbackPipeline.h"
#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbacks.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/ScopedPrinter.h"
#include <system_error>
using namespace llvm;
using namespace llvm::codeview;
namespace {
/// Use this private dumper implementation to keep implementation details about
/// the visitor out of SymbolDumper.h.
class CVSymbolDumperImpl : public SymbolVisitorCallbacks {
public:
CVSymbolDumperImpl(TypeCollection &Types, SymbolDumpDelegate *ObjDelegate,
ScopedPrinter &W, CPUType CPU, bool PrintRecordBytes)
: Types(Types), ObjDelegate(ObjDelegate), W(W), CompilationCPUType(CPU),
PrintRecordBytes(PrintRecordBytes), InFunctionScope(false) {}
/// CVSymbolVisitor overrides.
#define SYMBOL_RECORD(EnumName, EnumVal, Name) \
Error visitKnownRecord(CVSymbol &CVR, Name &Record) override;
#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
Error visitSymbolBegin(CVSymbol &Record) override;
Error visitSymbolEnd(CVSymbol &Record) override;
Error visitUnknownSymbol(CVSymbol &Record) override;
CPUType getCompilationCPUType() const { return CompilationCPUType; }
private:
void printLocalVariableAddrRange(const LocalVariableAddrRange &Range,
uint32_t RelocationOffset);
void printLocalVariableAddrGap(ArrayRef<LocalVariableAddrGap> Gaps);
void printTypeIndex(StringRef FieldName, TypeIndex TI);
TypeCollection &Types;
SymbolDumpDelegate *ObjDelegate;
ScopedPrinter &W;
/// Save the machine or CPU type when dumping a compile symbols.
CPUType CompilationCPUType = CPUType::X64;
bool PrintRecordBytes;
bool InFunctionScope;
};
}
static StringRef getSymbolKindName(SymbolKind Kind) {
switch (Kind) {
#define SYMBOL_RECORD(EnumName, EnumVal, Name) \
case EnumName: \
return #Name;
#include "llvm/DebugInfo/CodeView/CodeViewSymbols.def"
default:
break;
}
return "UnknownSym";
}
void CVSymbolDumperImpl::printLocalVariableAddrRange(
const LocalVariableAddrRange &Range, uint32_t RelocationOffset) {
DictScope S(W, "LocalVariableAddrRange");
if (ObjDelegate)
ObjDelegate->printRelocatedField("OffsetStart", RelocationOffset,
Range.OffsetStart);
W.printHex("ISectStart", Range.ISectStart);
W.printHex("Range", Range.Range);
}
void CVSymbolDumperImpl::printLocalVariableAddrGap(
ArrayRef<LocalVariableAddrGap> Gaps) {
for (auto &Gap : Gaps) {
ListScope S(W, "LocalVariableAddrGap");
W.printHex("GapStartOffset", Gap.GapStartOffset);
W.printHex("Range", Gap.Range);
}
}
void CVSymbolDumperImpl::printTypeIndex(StringRef FieldName, TypeIndex TI) {
codeview::printTypeIndex(W, FieldName, TI, Types);
}
Error CVSymbolDumperImpl::visitSymbolBegin(CVSymbol &CVR) {
W.startLine() << getSymbolKindName(CVR.Type);
W.getOStream() << " {\n";
W.indent();
W.printEnum("Kind", unsigned(CVR.Type), getSymbolTypeNames());
return Error::success();
}
Error CVSymbolDumperImpl::visitSymbolEnd(CVSymbol &CVR) {
if (PrintRecordBytes && ObjDelegate)
ObjDelegate->printBinaryBlockWithRelocs("SymData", CVR.content());
W.unindent();
W.startLine() << "}\n";
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, BlockSym &Block) {
StringRef LinkageName;
W.printHex("PtrParent", Block.Parent);
W.printHex("PtrEnd", Block.End);
W.printHex("CodeSize", Block.CodeSize);
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset", Block.getRelocationOffset(),
Block.CodeOffset, &LinkageName);
}
W.printHex("Segment", Block.Segment);
W.printString("BlockName", Block.Name);
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, Thunk32Sym &Thunk) {
W.printString("Name", Thunk.Name);
W.printNumber("Parent", Thunk.Parent);
W.printNumber("End", Thunk.End);
W.printNumber("Next", Thunk.Next);
W.printNumber("Off", Thunk.Offset);
W.printNumber("Seg", Thunk.Segment);
W.printNumber("Len", Thunk.Length);
W.printEnum("Ordinal", uint8_t(Thunk.Thunk), getThunkOrdinalNames());
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
TrampolineSym &Tramp) {
W.printEnum("Type", uint16_t(Tramp.Type), getTrampolineNames());
W.printNumber("Size", Tramp.Size);
W.printNumber("ThunkOff", Tramp.ThunkOffset);
W.printNumber("TargetOff", Tramp.TargetOffset);
W.printNumber("ThunkSection", Tramp.ThunkSection);
W.printNumber("TargetSection", Tramp.TargetSection);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, SectionSym &Section) {
W.printNumber("SectionNumber", Section.SectionNumber);
W.printNumber("Alignment", Section.Alignment);
W.printNumber("Rva", Section.Rva);
W.printNumber("Length", Section.Length);
W.printFlags("Characteristics", Section.Characteristics,
getImageSectionCharacteristicNames(),
COFF::SectionCharacteristics(0x00F00000));
W.printString("Name", Section.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
CoffGroupSym &CoffGroup) {
W.printNumber("Size", CoffGroup.Size);
W.printFlags("Characteristics", CoffGroup.Characteristics,
getImageSectionCharacteristicNames(),
COFF::SectionCharacteristics(0x00F00000));
W.printNumber("Offset", CoffGroup.Offset);
W.printNumber("Segment", CoffGroup.Segment);
W.printString("Name", CoffGroup.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
BPRelativeSym &BPRel) {
W.printNumber("Offset", BPRel.Offset);
printTypeIndex("Type", BPRel.Type);
W.printString("VarName", BPRel.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
BuildInfoSym &BuildInfo) {
printTypeIndex("BuildId", BuildInfo.BuildId);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
CallSiteInfoSym &CallSiteInfo) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset",
CallSiteInfo.getRelocationOffset(),
CallSiteInfo.CodeOffset, &LinkageName);
}
W.printHex("Segment", CallSiteInfo.Segment);
printTypeIndex("Type", CallSiteInfo.Type);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
EnvBlockSym &EnvBlock) {
ListScope L(W, "Entries");
for (auto Entry : EnvBlock.Fields) {
W.printString(Entry);
}
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
FileStaticSym &FileStatic) {
printTypeIndex("Index", FileStatic.Index);
W.printNumber("ModFilenameOffset", FileStatic.ModFilenameOffset);
W.printFlags("Flags", uint16_t(FileStatic.Flags), getLocalFlagNames());
W.printString("Name", FileStatic.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, ExportSym &Export) {
W.printNumber("Ordinal", Export.Ordinal);
W.printFlags("Flags", uint16_t(Export.Flags), getExportSymFlagNames());
W.printString("Name", Export.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
Compile2Sym &Compile2) {
W.printEnum("Language", Compile2.getLanguage(), getSourceLanguageNames());
W.printFlags("Flags", Compile2.getFlags(), getCompileSym2FlagNames());
W.printEnum("Machine", unsigned(Compile2.Machine), getCPUTypeNames());
CompilationCPUType = Compile2.Machine;
std::string FrontendVersion;
{
raw_string_ostream Out(FrontendVersion);
Out << Compile2.VersionFrontendMajor << '.' << Compile2.VersionFrontendMinor
<< '.' << Compile2.VersionFrontendBuild;
}
std::string BackendVersion;
{
raw_string_ostream Out(BackendVersion);
Out << Compile2.VersionBackendMajor << '.' << Compile2.VersionBackendMinor
<< '.' << Compile2.VersionBackendBuild;
}
W.printString("FrontendVersion", FrontendVersion);
W.printString("BackendVersion", BackendVersion);
W.printString("VersionName", Compile2.Version);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
Compile3Sym &Compile3) {
W.printEnum("Language", uint8_t(Compile3.getLanguage()), getSourceLanguageNames());
W.printFlags("Flags", uint32_t(Compile3.getFlags()),
getCompileSym3FlagNames());
W.printEnum("Machine", unsigned(Compile3.Machine), getCPUTypeNames());
CompilationCPUType = Compile3.Machine;
std::string FrontendVersion;
{
raw_string_ostream Out(FrontendVersion);
Out << Compile3.VersionFrontendMajor << '.' << Compile3.VersionFrontendMinor
<< '.' << Compile3.VersionFrontendBuild << '.'
<< Compile3.VersionFrontendQFE;
}
std::string BackendVersion;
{
raw_string_ostream Out(BackendVersion);
Out << Compile3.VersionBackendMajor << '.' << Compile3.VersionBackendMinor
<< '.' << Compile3.VersionBackendBuild << '.'
<< Compile3.VersionBackendQFE;
}
W.printString("FrontendVersion", FrontendVersion);
W.printString("BackendVersion", BackendVersion);
W.printString("VersionName", Compile3.Version);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
ConstantSym &Constant) {
printTypeIndex("Type", Constant.Type);
W.printNumber("Value", Constant.Value);
W.printString("Name", Constant.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, DataSym &Data) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("DataOffset", Data.getRelocationOffset(),
Data.DataOffset, &LinkageName);
}
printTypeIndex("Type", Data.Type);
W.printString("DisplayName", Data.Name);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR,
DefRangeFramePointerRelFullScopeSym &DefRangeFramePointerRelFullScope) {
W.printNumber("Offset", DefRangeFramePointerRelFullScope.Offset);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, DefRangeFramePointerRelSym &DefRangeFramePointerRel) {
W.printNumber("Offset", DefRangeFramePointerRel.Offset);
printLocalVariableAddrRange(DefRangeFramePointerRel.Range,
DefRangeFramePointerRel.getRelocationOffset());
printLocalVariableAddrGap(DefRangeFramePointerRel.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, DefRangeRegisterRelSym &DefRangeRegisterRel) {
W.printEnum("BaseRegister", uint16_t(DefRangeRegisterRel.Hdr.Register),
getRegisterNames());
W.printBoolean("HasSpilledUDTMember",
DefRangeRegisterRel.hasSpilledUDTMember());
W.printNumber("OffsetInParent", DefRangeRegisterRel.offsetInParent());
W.printNumber("BasePointerOffset", DefRangeRegisterRel.Hdr.BasePointerOffset);
printLocalVariableAddrRange(DefRangeRegisterRel.Range,
DefRangeRegisterRel.getRelocationOffset());
printLocalVariableAddrGap(DefRangeRegisterRel.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, DefRangeRegisterSym &DefRangeRegister) {
W.printEnum("Register", uint16_t(DefRangeRegister.Hdr.Register),
getRegisterNames());
W.printNumber("MayHaveNoName", DefRangeRegister.Hdr.MayHaveNoName);
printLocalVariableAddrRange(DefRangeRegister.Range,
DefRangeRegister.getRelocationOffset());
printLocalVariableAddrGap(DefRangeRegister.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, DefRangeSubfieldRegisterSym &DefRangeSubfieldRegister) {
W.printEnum("Register", uint16_t(DefRangeSubfieldRegister.Hdr.Register),
getRegisterNames());
W.printNumber("MayHaveNoName", DefRangeSubfieldRegister.Hdr.MayHaveNoName);
W.printNumber("OffsetInParent", DefRangeSubfieldRegister.Hdr.OffsetInParent);
printLocalVariableAddrRange(DefRangeSubfieldRegister.Range,
DefRangeSubfieldRegister.getRelocationOffset());
printLocalVariableAddrGap(DefRangeSubfieldRegister.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, DefRangeSubfieldSym &DefRangeSubfield) {
if (ObjDelegate) {
DebugStringTableSubsectionRef Strings = ObjDelegate->getStringTable();
auto ExpectedProgram = Strings.getString(DefRangeSubfield.Program);
if (!ExpectedProgram) {
consumeError(ExpectedProgram.takeError());
return llvm::make_error<CodeViewError>(
"String table offset outside of bounds of String Table!");
}
W.printString("Program", *ExpectedProgram);
}
W.printNumber("OffsetInParent", DefRangeSubfield.OffsetInParent);
printLocalVariableAddrRange(DefRangeSubfield.Range,
DefRangeSubfield.getRelocationOffset());
printLocalVariableAddrGap(DefRangeSubfield.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
DefRangeSym &DefRange) {
if (ObjDelegate) {
DebugStringTableSubsectionRef Strings = ObjDelegate->getStringTable();
auto ExpectedProgram = Strings.getString(DefRange.Program);
if (!ExpectedProgram) {
consumeError(ExpectedProgram.takeError());
return llvm::make_error<CodeViewError>(
"String table offset outside of bounds of String Table!");
}
W.printString("Program", *ExpectedProgram);
}
printLocalVariableAddrRange(DefRange.Range, DefRange.getRelocationOffset());
printLocalVariableAddrGap(DefRange.Gaps);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
FrameCookieSym &FrameCookie) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset",
FrameCookie.getRelocationOffset(),
FrameCookie.CodeOffset, &LinkageName);
}
W.printEnum("Register", uint16_t(FrameCookie.Register), getRegisterNames());
W.printEnum("CookieKind", uint16_t(FrameCookie.CookieKind),
getFrameCookieKindNames());
W.printHex("Flags", FrameCookie.Flags);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
FrameProcSym &FrameProc) {
W.printHex("TotalFrameBytes", FrameProc.TotalFrameBytes);
W.printHex("PaddingFrameBytes", FrameProc.PaddingFrameBytes);
W.printHex("OffsetToPadding", FrameProc.OffsetToPadding);
W.printHex("BytesOfCalleeSavedRegisters",
FrameProc.BytesOfCalleeSavedRegisters);
W.printHex("OffsetOfExceptionHandler", FrameProc.OffsetOfExceptionHandler);
W.printHex("SectionIdOfExceptionHandler",
FrameProc.SectionIdOfExceptionHandler);
W.printFlags("Flags", static_cast<uint32_t>(FrameProc.Flags),
getFrameProcSymFlagNames());
W.printEnum("LocalFramePtrReg",
uint16_t(FrameProc.getLocalFramePtrReg(CompilationCPUType)),
getRegisterNames());
W.printEnum("ParamFramePtrReg",
uint16_t(FrameProc.getParamFramePtrReg(CompilationCPUType)),
getRegisterNames());
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(
CVSymbol &CVR, HeapAllocationSiteSym &HeapAllocSite) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset",
HeapAllocSite.getRelocationOffset(),
HeapAllocSite.CodeOffset, &LinkageName);
}
W.printHex("Segment", HeapAllocSite.Segment);
W.printHex("CallInstructionSize", HeapAllocSite.CallInstructionSize);
printTypeIndex("Type", HeapAllocSite.Type);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
InlineSiteSym &InlineSite) {
W.printHex("PtrParent", InlineSite.Parent);
W.printHex("PtrEnd", InlineSite.End);
printTypeIndex("Inlinee", InlineSite.Inlinee);
ListScope BinaryAnnotations(W, "BinaryAnnotations");
for (auto &Annotation : InlineSite.annotations()) {
switch (Annotation.OpCode) {
case BinaryAnnotationsOpCode::Invalid:
W.printString("(Annotation Padding)");
break;
case BinaryAnnotationsOpCode::CodeOffset:
case BinaryAnnotationsOpCode::ChangeCodeOffset:
case BinaryAnnotationsOpCode::ChangeCodeLength:
W.printHex(Annotation.Name, Annotation.U1);
break;
case BinaryAnnotationsOpCode::ChangeCodeOffsetBase:
case BinaryAnnotationsOpCode::ChangeLineEndDelta:
case BinaryAnnotationsOpCode::ChangeRangeKind:
case BinaryAnnotationsOpCode::ChangeColumnStart:
case BinaryAnnotationsOpCode::ChangeColumnEnd:
W.printNumber(Annotation.Name, Annotation.U1);
break;
case BinaryAnnotationsOpCode::ChangeLineOffset:
case BinaryAnnotationsOpCode::ChangeColumnEndDelta:
W.printNumber(Annotation.Name, Annotation.S1);
break;
case BinaryAnnotationsOpCode::ChangeFile:
if (ObjDelegate) {
W.printHex("ChangeFile",
ObjDelegate->getFileNameForFileOffset(Annotation.U1),
Annotation.U1);
} else {
W.printHex("ChangeFile", Annotation.U1);
}
break;
case BinaryAnnotationsOpCode::ChangeCodeOffsetAndLineOffset: {
W.startLine() << "ChangeCodeOffsetAndLineOffset: {CodeOffset: "
<< W.hex(Annotation.U1) << ", LineOffset: " << Annotation.S1
<< "}\n";
break;
}
case BinaryAnnotationsOpCode::ChangeCodeLengthAndCodeOffset: {
W.startLine() << "ChangeCodeLengthAndCodeOffset: {CodeOffset: "
<< W.hex(Annotation.U2)
<< ", Length: " << W.hex(Annotation.U1) << "}\n";
break;
}
}
}
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
RegisterSym &Register) {
printTypeIndex("Type", Register.Index);
W.printEnum("Seg", uint16_t(Register.Register), getRegisterNames());
W.printString("Name", Register.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, PublicSym32 &Public) {
W.printFlags("Flags", uint32_t(Public.Flags), getPublicSymFlagNames());
W.printNumber("Seg", Public.Segment);
W.printNumber("Off", Public.Offset);
W.printString("Name", Public.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, ProcRefSym &ProcRef) {
W.printNumber("SumName", ProcRef.SumName);
W.printNumber("SymOffset", ProcRef.SymOffset);
W.printNumber("Mod", ProcRef.Module);
W.printString("Name", ProcRef.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, LabelSym &Label) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset", Label.getRelocationOffset(),
Label.CodeOffset, &LinkageName);
}
W.printHex("Segment", Label.Segment);
W.printHex("Flags", uint8_t(Label.Flags));
W.printFlags("Flags", uint8_t(Label.Flags), getProcSymFlagNames());
W.printString("DisplayName", Label.Name);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, LocalSym &Local) {
printTypeIndex("Type", Local.Type);
W.printFlags("Flags", uint16_t(Local.Flags), getLocalFlagNames());
W.printString("VarName", Local.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, ObjNameSym &ObjName) {
W.printHex("Signature", ObjName.Signature);
W.printString("ObjectName", ObjName.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, ProcSym &Proc) {
if (InFunctionScope)
return llvm::make_error<CodeViewError>(
"Visiting a ProcSym while inside function scope!");
InFunctionScope = true;
StringRef LinkageName;
W.printHex("PtrParent", Proc.Parent);
W.printHex("PtrEnd", Proc.End);
W.printHex("PtrNext", Proc.Next);
W.printHex("CodeSize", Proc.CodeSize);
W.printHex("DbgStart", Proc.DbgStart);
W.printHex("DbgEnd", Proc.DbgEnd);
printTypeIndex("FunctionType", Proc.FunctionType);
if (ObjDelegate) {
ObjDelegate->printRelocatedField("CodeOffset", Proc.getRelocationOffset(),
Proc.CodeOffset, &LinkageName);
}
W.printHex("Segment", Proc.Segment);
W.printFlags("Flags", static_cast<uint8_t>(Proc.Flags),
getProcSymFlagNames());
W.printString("DisplayName", Proc.Name);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
ScopeEndSym &ScopeEnd) {
InFunctionScope = false;
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, CallerSym &Caller) {
ListScope S(W, CVR.kind() == S_CALLEES ? "Callees" : "Callers");
for (auto FuncID : Caller.Indices)
printTypeIndex("FuncID", FuncID);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
RegRelativeSym &RegRel) {
W.printHex("Offset", RegRel.Offset);
printTypeIndex("Type", RegRel.Type);
W.printEnum("Register", uint16_t(RegRel.Register), getRegisterNames());
W.printString("VarName", RegRel.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
ThreadLocalDataSym &Data) {
StringRef LinkageName;
if (ObjDelegate) {
ObjDelegate->printRelocatedField("DataOffset", Data.getRelocationOffset(),
Data.DataOffset, &LinkageName);
}
printTypeIndex("Type", Data.Type);
W.printString("DisplayName", Data.Name);
if (!LinkageName.empty())
W.printString("LinkageName", LinkageName);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR, UDTSym &UDT) {
printTypeIndex("Type", UDT.Type);
W.printString("UDTName", UDT.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitKnownRecord(CVSymbol &CVR,
UsingNamespaceSym &UN) {
W.printString("Namespace", UN.Name);
return Error::success();
}
Error CVSymbolDumperImpl::visitUnknownSymbol(CVSymbol &CVR) {
W.printNumber("Length", CVR.length());
return Error::success();
}
Error CVSymbolDumper::dump(CVRecord<SymbolKind> &Record) {
SymbolVisitorCallbackPipeline Pipeline;
SymbolDeserializer Deserializer(ObjDelegate.get(), Container);
CVSymbolDumperImpl Dumper(Types, ObjDelegate.get(), W, CompilationCPUType,
PrintRecordBytes);
Pipeline.addCallbackToPipeline(Deserializer);
Pipeline.addCallbackToPipeline(Dumper);
CVSymbolVisitor Visitor(Pipeline);
auto Err = Visitor.visitSymbolRecord(Record);
CompilationCPUType = Dumper.getCompilationCPUType();
return Err;
}
Error CVSymbolDumper::dump(const CVSymbolArray &Symbols) {
SymbolVisitorCallbackPipeline Pipeline;
SymbolDeserializer Deserializer(ObjDelegate.get(), Container);
CVSymbolDumperImpl Dumper(Types, ObjDelegate.get(), W, CompilationCPUType,
PrintRecordBytes);
Pipeline.addCallbackToPipeline(Deserializer);
Pipeline.addCallbackToPipeline(Dumper);
CVSymbolVisitor Visitor(Pipeline);
auto Err = Visitor.visitSymbolStream(Symbols);
CompilationCPUType = Dumper.getCompilationCPUType();
return Err;
}
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