llvm-project/llvm/lib/DebugInfo/CodeView/ModuleSubstream.cpp

43 lines
1.3 KiB
C++

//===- ModuleSubstream.cpp --------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/DebugInfo/CodeView/ModuleSubstream.h"
#include "llvm/DebugInfo/CodeView/StreamReader.h"
using namespace llvm;
using namespace llvm::codeview;
ModuleSubstream::ModuleSubstream() : Kind(ModuleSubstreamKind::None) {}
ModuleSubstream::ModuleSubstream(ModuleSubstreamKind Kind, StreamRef Data)
: Kind(Kind), Data(Data) {}
Error ModuleSubstream::initialize(StreamRef Stream, ModuleSubstream &Info) {
const ModuleSubsectionHeader *Header;
StreamReader Reader(Stream);
if (auto EC = Reader.readObject(Header))
return EC;
ModuleSubstreamKind Kind =
static_cast<ModuleSubstreamKind>(uint32_t(Header->Kind));
if (auto EC = Reader.readStreamRef(Info.Data, Header->Length))
return EC;
Info.Kind = Kind;
return Error::success();
}
uint32_t ModuleSubstream::getRecordLength() const {
return sizeof(ModuleSubsectionHeader) + Data.getLength();
}
ModuleSubstreamKind ModuleSubstream::getSubstreamKind() const { return Kind; }
StreamRef ModuleSubstream::getRecordData() const { return Data; }