You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
90 lines
2.4 KiB
90 lines
2.4 KiB
//===- InfoStream.cpp - PDB Info Stream (Stream 1) Access -------*- 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/PDB/Raw/InfoStream.h"
|
|
#include "llvm/ADT/BitVector.h"
|
|
#include "llvm/ADT/SmallVector.h"
|
|
#include "llvm/DebugInfo/CodeView/StreamReader.h"
|
|
#include "llvm/DebugInfo/CodeView/StreamWriter.h"
|
|
#include "llvm/DebugInfo/PDB/Raw/IndexedStreamData.h"
|
|
#include "llvm/DebugInfo/PDB/Raw/PDBFile.h"
|
|
#include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
|
|
#include "llvm/DebugInfo/PDB/Raw/RawError.h"
|
|
|
|
using namespace llvm;
|
|
using namespace llvm::codeview;
|
|
using namespace llvm::pdb;
|
|
|
|
InfoStream::InfoStream(std::unique_ptr<MappedBlockStream> Stream)
|
|
: Stream(std::move(Stream)) {}
|
|
|
|
Error InfoStream::reload() {
|
|
codeview::StreamReader Reader(*Stream);
|
|
|
|
const Header *H;
|
|
if (auto EC = Reader.readObject(H))
|
|
return joinErrors(
|
|
std::move(EC),
|
|
make_error<RawError>(raw_error_code::corrupt_file,
|
|
"PDB Stream does not contain a header."));
|
|
|
|
switch (H->Version) {
|
|
case PdbImplVC70:
|
|
case PdbImplVC80:
|
|
case PdbImplVC110:
|
|
case PdbImplVC140:
|
|
break;
|
|
default:
|
|
return make_error<RawError>(raw_error_code::corrupt_file,
|
|
"Unsupported PDB stream version.");
|
|
}
|
|
|
|
Version = H->Version;
|
|
Signature = H->Signature;
|
|
Age = H->Age;
|
|
Guid = H->Guid;
|
|
|
|
return NamedStreams.load(Reader);
|
|
}
|
|
|
|
uint32_t InfoStream::getNamedStreamIndex(llvm::StringRef Name) const {
|
|
uint32_t Result;
|
|
if (!NamedStreams.tryGetValue(Name, Result))
|
|
return 0;
|
|
return Result;
|
|
}
|
|
|
|
iterator_range<StringMapConstIterator<uint32_t>>
|
|
InfoStream::named_streams() const {
|
|
return NamedStreams.entries();
|
|
}
|
|
|
|
PdbRaw_ImplVer InfoStream::getVersion() const {
|
|
return static_cast<PdbRaw_ImplVer>(Version);
|
|
}
|
|
|
|
uint32_t InfoStream::getSignature() const { return Signature; }
|
|
|
|
uint32_t InfoStream::getAge() const { return Age; }
|
|
|
|
PDB_UniqueId InfoStream::getGuid() const { return Guid; }
|
|
|
|
Error InfoStream::commit() {
|
|
StreamWriter Writer(*Stream);
|
|
|
|
Header H;
|
|
H.Age = Age;
|
|
H.Signature = Signature;
|
|
H.Version = Version;
|
|
H.Guid = Guid;
|
|
if (auto EC = Writer.writeObject(H))
|
|
return EC;
|
|
|
|
return NamedStreams.commit(Writer);
|
|
} |