NFC: Rename (PDB) RawSession to NativeSession

This eliminates one overload on the term Raw.

Differential Revision: https://reviews.llvm.org/D29098

llvm-svn: 293104

1 files changed, 178 insertions, 0 deletions

diff --git a/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp b/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
new file mode 100644
index 00000000000..57ca2ba488a
--- /dev/null
+++ b/llvm/lib/DebugInfo/PDB/Native/PDBFileBuilder.cpp
@@ -0,0 +1,178 @@
+//===- PDBFileBuilder.cpp - PDB File Creation -------------------*- 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/Native/PDBFileBuilder.h"
+
+#include "llvm/ADT/BitVector.h"
+
+#include "llvm/DebugInfo/MSF/MSFBuilder.h"
+#include "llvm/DebugInfo/MSF/StreamInterface.h"
+#include "llvm/DebugInfo/MSF/StreamWriter.h"
+#include "llvm/DebugInfo/PDB/GenericError.h"
+#include "llvm/DebugInfo/PDB/Native/DbiStream.h"
+#include "llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h"
+#include "llvm/DebugInfo/PDB/Native/InfoStream.h"
+#include "llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h"
+#include "llvm/DebugInfo/PDB/Native/RawError.h"
+#include "llvm/DebugInfo/PDB/Native/StringTableBuilder.h"
+#include "llvm/DebugInfo/PDB/Native/TpiStream.h"
+#include "llvm/DebugInfo/PDB/Native/TpiStreamBuilder.h"
+
+using namespace llvm;
+using namespace llvm::codeview;
+using namespace llvm::msf;
+using namespace llvm::pdb;
+using namespace llvm::support;
+
+PDBFileBuilder::PDBFileBuilder(BumpPtrAllocator &Allocator)
+    : Allocator(Allocator) {}
+
+Error PDBFileBuilder::initialize(uint32_t BlockSize) {
+  auto ExpectedMsf = MSFBuilder::create(Allocator, BlockSize);
+  if (!ExpectedMsf)
+    return ExpectedMsf.takeError();
+  Msf = llvm::make_unique<MSFBuilder>(std::move(*ExpectedMsf));
+  return Error::success();
+}
+
+MSFBuilder &PDBFileBuilder::getMsfBuilder() { return *Msf; }
+
+InfoStreamBuilder &PDBFileBuilder::getInfoBuilder() {
+  if (!Info)
+    Info = llvm::make_unique<InfoStreamBuilder>(*Msf, NamedStreams);
+  return *Info;
+}
+
+DbiStreamBuilder &PDBFileBuilder::getDbiBuilder() {
+  if (!Dbi)
+    Dbi = llvm::make_unique<DbiStreamBuilder>(*Msf);
+  return *Dbi;
+}
+
+TpiStreamBuilder &PDBFileBuilder::getTpiBuilder() {
+  if (!Tpi)
+    Tpi = llvm::make_unique<TpiStreamBuilder>(*Msf, StreamTPI);
+  return *Tpi;
+}
+
+TpiStreamBuilder &PDBFileBuilder::getIpiBuilder() {
+  if (!Ipi)
+    Ipi = llvm::make_unique<TpiStreamBuilder>(*Msf, StreamIPI);
+  return *Ipi;
+}
+
+StringTableBuilder &PDBFileBuilder::getStringTableBuilder() { return Strings; }
+
+Error PDBFileBuilder::addNamedStream(StringRef Name, uint32_t Size) {
+  auto ExpectedStream = Msf->addStream(Size);
+  if (!ExpectedStream)
+    return ExpectedStream.takeError();
+  NamedStreams.set(Name, *ExpectedStream);
+  return Error::success();
+}
+
+Expected<msf::MSFLayout> PDBFileBuilder::finalizeMsfLayout() {
+  uint32_t StringTableSize = Strings.finalize();
+
+  if (auto EC = addNamedStream("/names", StringTableSize))
+    return std::move(EC);
+  if (auto EC = addNamedStream("/LinkInfo", 0))
+    return std::move(EC);
+  if (auto EC = addNamedStream("/src/headerblock", 0))
+    return std::move(EC);
+
+  if (Info) {
+    if (auto EC = Info->finalizeMsfLayout())
+      return std::move(EC);
+  }
+  if (Dbi) {
+    if (auto EC = Dbi->finalizeMsfLayout())
+      return std::move(EC);
+  }
+  if (Tpi) {
+    if (auto EC = Tpi->finalizeMsfLayout())
+      return std::move(EC);
+  }
+  if (Ipi) {
+    if (auto EC = Ipi->finalizeMsfLayout())
+      return std::move(EC);
+  }
+
+  return Msf->build();
+}
+
+Error PDBFileBuilder::commit(StringRef Filename) {
+  auto ExpectedLayout = finalizeMsfLayout();
+  if (!ExpectedLayout)
+    return ExpectedLayout.takeError();
+  auto &Layout = *ExpectedLayout;
+
+  uint64_t Filesize = Layout.SB->BlockSize * Layout.SB->NumBlocks;
+  auto OutFileOrError = FileOutputBuffer::create(Filename, Filesize);
+  if (OutFileOrError.getError())
+    return llvm::make_error<pdb::GenericError>(generic_error_code::invalid_path,
+                                               Filename);
+  FileBufferByteStream Buffer(std::move(*OutFileOrError));
+  StreamWriter Writer(Buffer);
+
+  if (auto EC = Writer.writeObject(*Layout.SB))
+    return EC;
+  uint32_t BlockMapOffset =
+      msf::blockToOffset(Layout.SB->BlockMapAddr, Layout.SB->BlockSize);
+  Writer.setOffset(BlockMapOffset);
+  if (auto EC = Writer.writeArray(Layout.DirectoryBlocks))
+    return EC;
+
+  auto DirStream =
+      WritableMappedBlockStream::createDirectoryStream(Layout, Buffer);
+  StreamWriter DW(*DirStream);
+  if (auto EC =
+          DW.writeInteger(static_cast<uint32_t>(Layout.StreamSizes.size())))
+    return EC;
+
+  if (auto EC = DW.writeArray(Layout.StreamSizes))
+    return EC;
+
+  for (const auto &Blocks : Layout.StreamMap) {
+    if (auto EC = DW.writeArray(Blocks))
+      return EC;
+  }
+
+  uint32_t StringTableStreamNo = 0;
+  if (!NamedStreams.get("/names", StringTableStreamNo))
+    return llvm::make_error<pdb::RawError>(raw_error_code::no_stream);
+
+  auto NS = WritableMappedBlockStream::createIndexedStream(Layout, Buffer,
+                                                           StringTableStreamNo);
+  StreamWriter NSWriter(*NS);
+  if (auto EC = Strings.commit(NSWriter))
+    return EC;
+
+  if (Info) {
+    if (auto EC = Info->commit(Layout, Buffer))
+      return EC;
+  }
+
+  if (Dbi) {
+    if (auto EC = Dbi->commit(Layout, Buffer))
+      return EC;
+  }
+
+  if (Tpi) {
+    if (auto EC = Tpi->commit(Layout, Buffer))
+      return EC;
+  }
+
+  if (Ipi) {
+    if (auto EC = Ipi->commit(Layout, Buffer))
+      return EC;
+  }
+
+  return Buffer.commit();
+}