mirror of
https://github.com/RPCSX/llvm.git
synced 2026-01-31 01:05:23 +01:00
3b75dc7441
The original patch was broken due to some undefined behavior as well as warnings that were triggering -Werror. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@290000 91177308-0d34-0410-b5e6-96231b3b80d8
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
//===- symbolSerializer.h ---------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_DEBUGINFO_CODEVIEW_SYMBOLSERIALIZER_H
|
|
#define LLVM_DEBUGINFO_CODEVIEW_SYMBOLSERIALIZER_H
|
|
|
|
#include "llvm/DebugInfo/CodeView/SymbolRecordMapping.h"
|
|
#include "llvm/DebugInfo/CodeView/SymbolVisitorCallbacks.h"
|
|
#include "llvm/DebugInfo/MSF/ByteStream.h"
|
|
#include "llvm/DebugInfo/MSF/StreamWriter.h"
|
|
|
|
#include "llvm/ADT/Optional.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/ADT/StringMap.h"
|
|
#include "llvm/ADT/StringRef.h"
|
|
#include "llvm/ADT/iterator_range.h"
|
|
#include "llvm/Support/Allocator.h"
|
|
#include "llvm/Support/Error.h"
|
|
|
|
namespace llvm {
|
|
namespace codeview {
|
|
|
|
class SymbolSerializer : public SymbolVisitorCallbacks {
|
|
uint32_t RecordStart = 0;
|
|
msf::StreamWriter &Writer;
|
|
SymbolRecordMapping Mapping;
|
|
Optional<SymbolKind> CurrentSymbol;
|
|
|
|
Error writeRecordPrefix(SymbolKind Kind) {
|
|
RecordPrefix Prefix;
|
|
Prefix.RecordKind = Kind;
|
|
Prefix.RecordLen = 0;
|
|
if (auto EC = Writer.writeObject(Prefix))
|
|
return EC;
|
|
return Error::success();
|
|
}
|
|
|
|
public:
|
|
explicit SymbolSerializer(msf::StreamWriter &Writer)
|
|
: Writer(Writer), Mapping(Writer) {}
|
|
|
|
virtual Error visitSymbolBegin(CVSymbol &Record) override {
|
|
assert(!CurrentSymbol.hasValue() && "Already in a symbol mapping!");
|
|
|
|
RecordStart = Writer.getOffset();
|
|
if (auto EC = writeRecordPrefix(Record.kind()))
|
|
return EC;
|
|
|
|
CurrentSymbol = Record.kind();
|
|
if (auto EC = Mapping.visitSymbolBegin(Record))
|
|
return EC;
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
virtual Error visitSymbolEnd(CVSymbol &Record) override {
|
|
assert(CurrentSymbol.hasValue() && "Not in a symbol mapping!");
|
|
|
|
if (auto EC = Mapping.visitSymbolEnd(Record))
|
|
return EC;
|
|
|
|
uint32_t RecordEnd = Writer.getOffset();
|
|
Writer.setOffset(RecordStart);
|
|
uint16_t Length = RecordEnd - Writer.getOffset() - 2;
|
|
if (auto EC = Writer.writeInteger(Length))
|
|
return EC;
|
|
|
|
Writer.setOffset(RecordEnd);
|
|
CurrentSymbol.reset();
|
|
|
|
return Error::success();
|
|
}
|
|
|
|
#define SYMBOL_RECORD(EnumName, EnumVal, Name) \
|
|
virtual Error visitKnownRecord(CVSymbol &CVR, Name &Record) override { \
|
|
return visitKnownRecordImpl(CVR, Record); \
|
|
}
|
|
#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
|
|
#include "CVSymbolTypes.def"
|
|
|
|
private:
|
|
template <typename RecordKind>
|
|
Error visitKnownRecordImpl(CVSymbol &CVR, RecordKind &Record) {
|
|
return Mapping.visitKnownRecord(CVR, Record);
|
|
}
|
|
};
|
|
}
|
|
}
|
|
|
|
#endif
|