vendor/llvm/llvm-trunk-r301939

11 files changed, 147 insertions, 115 deletions

diff --git a/include/llvm/DebugInfo/PDB/Native/ModInfo.h b/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h
index d26d0d618449..879cb4285cd7 100644
--- a/include/llvm/DebugInfo/PDB/Native/ModInfo.h
+++ b/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h
@@ -1,4 +1,4 @@
-//===- ModInfo.h - PDB module information -----------------------*- C++ -*-===//
+//===- DbiModuleDescriptor.h - PDB module information -----------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,8 +7,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_PDB_RAW_MODINFO_H
-#define LLVM_DEBUGINFO_PDB_RAW_MODINFO_H
+#ifndef LLVM_DEBUGINFO_PDB_RAW_DBIMODULEDESCRIPTOR_H
+#define LLVM_DEBUGINFO_PDB_RAW_DBIMODULEDESCRIPTOR_H
 
 #include "llvm/ADT/StringRef.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
@@ -22,21 +22,21 @@ namespace llvm {
 
 namespace pdb {
 
-class ModInfo {
+class DbiModuleDescriptor {
   friend class DbiStreamBuilder;
 
 public:
-  ModInfo();
-  ModInfo(const ModInfo &Info);
-  ~ModInfo();
+  DbiModuleDescriptor();
+  DbiModuleDescriptor(const DbiModuleDescriptor &Info);
+  ~DbiModuleDescriptor();
 
-  static Error initialize(BinaryStreamRef Stream, ModInfo &Info);
+  static Error initialize(BinaryStreamRef Stream, DbiModuleDescriptor &Info);
 
   bool hasECInfo() const;
   uint16_t getTypeServerIndex() const;
   uint16_t getModuleStreamIndex() const;
   uint32_t getSymbolDebugInfoByteSize() const;
-  uint32_t getLineInfoByteSize() const;
+  uint32_t getC11LineInfoByteSize() const;
   uint32_t getC13LineInfoByteSize() const;
   uint32_t getNumberOfFiles() const;
   uint32_t getSourceFileNameIndex() const;
@@ -54,19 +54,20 @@ private:
 };
 
 struct ModuleInfoEx {
-  ModuleInfoEx(const ModInfo &Info) : Info(Info) {}
+  ModuleInfoEx(const DbiModuleDescriptor &Info) : Info(Info) {}
   ModuleInfoEx(const ModuleInfoEx &Ex) = default;
 
-  ModInfo Info;
+  DbiModuleDescriptor Info;
   std::vector<StringRef> SourceFiles;
 };
 
 } // end namespace pdb
 
-template <> struct VarStreamArrayExtractor<pdb::ModInfo> {
-  Error operator()(BinaryStreamRef Stream, uint32_t &Length,
-                   pdb::ModInfo &Info) const {
-    if (auto EC = pdb::ModInfo::initialize(Stream, Info))
+template <> struct VarStreamArrayExtractor<pdb::DbiModuleDescriptor> {
+  typedef void ContextType;
+  static Error extract(BinaryStreamRef Stream, uint32_t &Length,
+                       pdb::DbiModuleDescriptor &Info, void *Ctx) {
+    if (auto EC = pdb::DbiModuleDescriptor::initialize(Stream, Info))
       return EC;
     Length = Info.getRecordLength();
     return Error::success();
@@ -75,4 +76,4 @@ template <> struct VarStreamArrayExtractor<pdb::ModInfo> {
 
 } // end namespace llvm
 
-#endif // LLVM_DEBUGINFO_PDB_RAW_MODINFO_H
+#endif // LLVM_DEBUGINFO_PDB_RAW_DBIMODULEDESCRIPTOR_H
diff --git a/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h b/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h
new file mode 100644
index 000000000000..8cc5db981f56
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/Native/DbiModuleDescriptorBuilder.h
@@ -0,0 +1,101 @@
+//===- DbiModuleDescriptorBuilder.h - PDB module information ----*- 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_PDB_RAW_DBIMODULEDESCRIPTORBUILDER_H
+#define LLVM_DEBUGINFO_PDB_RAW_DBIMODULEDESCRIPTORBUILDER_H
+
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/ModuleDebugFileChecksumFragment.h"
+#include "llvm/DebugInfo/CodeView/ModuleDebugInlineeLinesFragment.h"
+#include "llvm/DebugInfo/CodeView/ModuleDebugLineFragment.h"
+#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
+#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+#include <string>
+#include <vector>
+
+namespace llvm {
+class BinaryStreamWriter;
+
+namespace codeview {
+class ModuleDebugFragmentRecordBuilder;
+}
+
+namespace msf {
+class MSFBuilder;
+struct MSFLayout;
+}
+namespace pdb {
+
+class DbiModuleDescriptorBuilder {
+  friend class DbiStreamBuilder;
+
+public:
+  DbiModuleDescriptorBuilder(StringRef ModuleName, uint32_t ModIndex,
+                             msf::MSFBuilder &Msf);
+  ~DbiModuleDescriptorBuilder();
+
+  DbiModuleDescriptorBuilder(const DbiModuleDescriptorBuilder &) = delete;
+  DbiModuleDescriptorBuilder &
+  operator=(const DbiModuleDescriptorBuilder &) = delete;
+
+  void setObjFileName(StringRef Name);
+  void addSymbol(codeview::CVSymbol Symbol);
+
+  void addC13Fragment(std::unique_ptr<codeview::ModuleDebugLineFragment> Lines);
+  void addC13Fragment(
+      std::unique_ptr<codeview::ModuleDebugInlineeLineFragment> Inlinees);
+  void setC13FileChecksums(
+      std::unique_ptr<codeview::ModuleDebugFileChecksumFragment> Checksums);
+
+  uint16_t getStreamIndex() const;
+  StringRef getModuleName() const { return ModuleName; }
+  StringRef getObjFileName() const { return ObjFileName; }
+
+  ArrayRef<std::string> source_files() const {
+    return makeArrayRef(SourceFiles);
+  }
+
+  uint32_t calculateSerializedLength() const;
+
+  void finalize();
+  Error finalizeMsfLayout();
+
+  Error commit(BinaryStreamWriter &ModiWriter, const msf::MSFLayout &MsfLayout,
+               WritableBinaryStreamRef MsfBuffer);
+
+private:
+  uint32_t calculateC13DebugInfoSize() const;
+
+  void addSourceFile(StringRef Path);
+  msf::MSFBuilder &MSF;
+
+  uint32_t SymbolByteSize = 0;
+  std::string ModuleName;
+  std::string ObjFileName;
+  std::vector<std::string> SourceFiles;
+  std::vector<codeview::CVSymbol> Symbols;
+
+  std::unique_ptr<codeview::ModuleDebugFileChecksumFragment> ChecksumInfo;
+  std::vector<std::unique_ptr<codeview::ModuleDebugLineFragment>> LineInfo;
+  std::vector<std::unique_ptr<codeview::ModuleDebugInlineeLineFragment>>
+      Inlinees;
+
+  std::vector<std::unique_ptr<codeview::ModuleDebugFragmentRecordBuilder>>
+      C13Builders;
+
+  ModuleInfoHeader Layout;
+};
+
+} // end namespace pdb
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_PDB_RAW_DBIMODULEDESCRIPTORBUILDER_H
diff --git a/include/llvm/DebugInfo/PDB/Native/DbiStream.h b/include/llvm/DebugInfo/PDB/Native/DbiStream.h
index f49f5aaefaca..84ae57f2e23a 100644
--- a/include/llvm/DebugInfo/PDB/Native/DbiStream.h
+++ b/include/llvm/DebugInfo/PDB/Native/DbiStream.h
@@ -10,9 +10,9 @@
 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAM_H
 #define LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAM_H
 
-#include "llvm/DebugInfo/CodeView/ModuleSubstream.h"
+#include "llvm/DebugInfo/CodeView/ModuleDebugFragment.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
-#include "llvm/DebugInfo/PDB/Native/ModInfo.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
 #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
 #include "llvm/DebugInfo/PDB/Native/StringTable.h"
diff --git a/include/llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h b/include/llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h
index 16426bd93847..bcac182e2145 100644
--- a/include/llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h
+++ b/include/llvm/DebugInfo/PDB/Native/DbiStreamBuilder.h
@@ -31,7 +31,7 @@ struct coff_section;
 namespace pdb {
 class DbiStream;
 struct DbiStreamHeader;
-class ModInfoBuilder;
+class DbiModuleDescriptorBuilder;
 class PDBFile;
 
 class DbiStreamBuilder {
@@ -57,8 +57,9 @@ public:
 
   uint32_t calculateSerializedLength() const;
 
-  Expected<ModInfoBuilder &> addModuleInfo(StringRef ModuleName);
+  Expected<DbiModuleDescriptorBuilder &> addModuleInfo(StringRef ModuleName);
   Error addModuleSourceFile(StringRef Module, StringRef File);
+  Expected<uint32_t> getSourceFileNameIndex(StringRef FileName);
 
   Error finalizeMsfLayout();
 
@@ -103,8 +104,8 @@ private:
 
   const DbiStreamHeader *Header;
 
-  StringMap<std::unique_ptr<ModInfoBuilder>> ModiMap;
-  std::vector<ModInfoBuilder *> ModiList;
+  StringMap<std::unique_ptr<DbiModuleDescriptorBuilder>> ModiMap;
+  std::vector<DbiModuleDescriptorBuilder *> ModiList;
 
   StringMap<uint32_t> SourceFileNames;
 
diff --git a/include/llvm/DebugInfo/PDB/Native/ModInfoBuilder.h b/include/llvm/DebugInfo/PDB/Native/ModInfoBuilder.h
deleted file mode 100644
index 605fd2483c3b..000000000000
--- a/include/llvm/DebugInfo/PDB/Native/ModInfoBuilder.h
+++ /dev/null
@@ -1,74 +0,0 @@
-//===- ModInfoBuilder.h - PDB module information ----------------*- 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_PDB_RAW_MODINFOBUILDER_H
-#define LLVM_DEBUGINFO_PDB_RAW_MODINFOBUILDER_H
-
-#include "llvm/ADT/StringRef.h"
-#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
-#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
-#include "llvm/Support/Error.h"
-#include <cstdint>
-#include <string>
-#include <vector>
-
-namespace llvm {
-class BinaryStreamWriter;
-
-namespace msf {
-class MSFBuilder;
-struct MSFLayout;
-}
-namespace pdb {
-
-class ModInfoBuilder {
-  friend class DbiStreamBuilder;
-
-public:
-  ModInfoBuilder(StringRef ModuleName, uint32_t ModIndex, msf::MSFBuilder &Msf);
-
-  ModInfoBuilder(const ModInfoBuilder &) = delete;
-  ModInfoBuilder &operator=(const ModInfoBuilder &) = delete;
-
-  void setObjFileName(StringRef Name);
-  void addSymbol(codeview::CVSymbol Symbol);
-
-  uint16_t getStreamIndex() const;
-  StringRef getModuleName() const { return ModuleName; }
-  StringRef getObjFileName() const { return ObjFileName; }
-
-  ArrayRef<std::string> source_files() const {
-    return makeArrayRef(SourceFiles);
-  }
-
-  uint32_t calculateSerializedLength() const;
-
-  void finalize();
-  Error finalizeMsfLayout();
-
-  Error commit(BinaryStreamWriter &ModiWriter, const msf::MSFLayout &MsfLayout,
-               WritableBinaryStreamRef MsfBuffer);
-
-private:
-  void addSourceFile(StringRef Path);
-  msf::MSFBuilder &MSF;
-
-  uint32_t SymbolByteSize = 0;
-  std::string ModuleName;
-  std::string ObjFileName;
-  std::vector<std::string> SourceFiles;
-  std::vector<codeview::CVSymbol> Symbols;
-  ModuleInfoHeader Layout;
-};
-
-} // end namespace pdb
-
-} // end namespace llvm
-
-#endif // LLVM_DEBUGINFO_PDB_RAW_MODINFOBUILDER_H
diff --git a/include/llvm/DebugInfo/PDB/Native/ModStream.h b/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
index b12d4ff375f3..2c95690ed580 100644
--- a/include/llvm/DebugInfo/PDB/Native/ModStream.h
+++ b/include/llvm/DebugInfo/PDB/Native/ModuleDebugStream.h
@@ -1,4 +1,4 @@
-//===- ModStream.h - PDB Module Info Stream Access ------------------------===//
+//===- ModuleDebugStream.h - PDB Module Info Stream Access ----------------===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -7,12 +7,12 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_DEBUGINFO_PDB_RAW_MODSTREAM_H
-#define LLVM_DEBUGINFO_PDB_RAW_MODSTREAM_H
+#ifndef LLVM_DEBUGINFO_PDB_RAW_MODULEDEBUGSTREAM_H
+#define LLVM_DEBUGINFO_PDB_RAW_MODULEDEBUGSTREAM_H
 
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/DebugInfo/CodeView/CVRecord.h"
-#include "llvm/DebugInfo/CodeView/ModuleSubstream.h"
+#include "llvm/DebugInfo/CodeView/ModuleDebugFragmentRecord.h"
 #include "llvm/DebugInfo/CodeView/SymbolRecord.h"
 #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
 #include "llvm/Support/BinaryStreamArray.h"
@@ -22,13 +22,16 @@
 namespace llvm {
 namespace pdb {
 class PDBFile;
-class ModInfo;
+class DbiModuleDescriptor;
+
+class ModuleDebugStreamRef {
+  typedef codeview::ModuleDebugFragmentArray::Iterator
+      LinesAndChecksumsIterator;
 
-class ModStream {
 public:
-  ModStream(const ModInfo &Module,
-            std::unique_ptr<msf::MappedBlockStream> Stream);
-  ~ModStream();
+  ModuleDebugStreamRef(const DbiModuleDescriptor &Module,
+                       std::unique_ptr<msf::MappedBlockStream> Stream);
+  ~ModuleDebugStreamRef();
 
   Error reload();
 
@@ -37,26 +40,25 @@ public:
   iterator_range<codeview::CVSymbolArray::Iterator>
   symbols(bool *HadError) const;
 
-  iterator_range<codeview::ModuleSubstreamArray::Iterator>
-  lines(bool *HadError) const;
+  llvm::iterator_range<LinesAndChecksumsIterator> linesAndChecksums() const;
 
   bool hasLineInfo() const;
 
   Error commit();
 
 private:
-  const ModInfo &Mod;
+  const DbiModuleDescriptor &Mod;
 
   uint32_t Signature;
 
   std::unique_ptr<msf::MappedBlockStream> Stream;
 
   codeview::CVSymbolArray SymbolsSubstream;
-  BinaryStreamRef LinesSubstream;
+  BinaryStreamRef C11LinesSubstream;
   BinaryStreamRef C13LinesSubstream;
   BinaryStreamRef GlobalRefsSubstream;
 
-  codeview::ModuleSubstreamArray LineInfo;
+  codeview::ModuleDebugFragmentArray LinesAndChecksums;
 };
 }
 }
diff --git a/include/llvm/DebugInfo/PDB/Native/ModuleDebugStreamBuilder.h b/include/llvm/DebugInfo/PDB/Native/ModuleDebugStreamBuilder.h
new file mode 100644
index 000000000000..e69de29bb2d1
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/Native/ModuleDebugStreamBuilder.h
diff --git a/include/llvm/DebugInfo/PDB/Native/NativeCompilandSymbol.h b/include/llvm/DebugInfo/PDB/Native/NativeCompilandSymbol.h
index 8eeaf3e0ea49..b1d980679a45 100644
--- a/include/llvm/DebugInfo/PDB/Native/NativeCompilandSymbol.h
+++ b/include/llvm/DebugInfo/PDB/Native/NativeCompilandSymbol.h
@@ -10,7 +10,7 @@
 #ifndef LLVM_DEBUGINFO_PDB_NATIVE_NATIVECOMPILANDSYMBOL_H
 #define LLVM_DEBUGINFO_PDB_NATIVE_NATIVECOMPILANDSYMBOL_H
 
-#include "llvm/DebugInfo/PDB/Native/ModInfo.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/Native/NativeRawSymbol.h"
 
 namespace llvm {
diff --git a/include/llvm/DebugInfo/PDB/Native/NativeEnumModules.h b/include/llvm/DebugInfo/PDB/Native/NativeEnumModules.h
index 60a55ee50cc4..18022f599bba 100644
--- a/include/llvm/DebugInfo/PDB/Native/NativeEnumModules.h
+++ b/include/llvm/DebugInfo/PDB/Native/NativeEnumModules.h
@@ -11,7 +11,7 @@
 #define LLVM_DEBUGINFO_PDB_NATIVE_NATIVEENUMMODULES_H
 
 #include "llvm/DebugInfo/PDB/IPDBEnumChildren.h"
-#include "llvm/DebugInfo/PDB/Native/ModInfo.h"
+#include "llvm/DebugInfo/PDB/Native/DbiModuleDescriptor.h"
 #include "llvm/DebugInfo/PDB/PDBSymbol.h"
 namespace llvm {
 namespace pdb {
diff --git a/include/llvm/DebugInfo/PDB/Native/RawTypes.h b/include/llvm/DebugInfo/PDB/Native/RawTypes.h
index 1b2631efce70..e1c6cf0021d5 100644
--- a/include/llvm/DebugInfo/PDB/Native/RawTypes.h
+++ b/include/llvm/DebugInfo/PDB/Native/RawTypes.h
@@ -200,7 +200,7 @@ struct FileInfoSubstreamHeader {
 };
 
 struct ModInfoFlags {
-  ///  uint16_t fWritten : 1;   // True if ModInfo is dirty
+  ///  uint16_t fWritten : 1;   // True if DbiModuleDescriptor is dirty
   ///  uint16_t fECEnabled : 1; // Is EC symbolic info present?  (What is EC?)
   ///  uint16_t unused : 6;     // Reserved
   ///  uint16_t iTSM : 8;       // Type Server Index for this module
@@ -231,8 +231,8 @@ struct ModuleInfoHeader {
   /// Size of local symbol debug info in above stream
   support::ulittle32_t SymBytes;
 
-  /// Size of line number debug info in above stream
-  support::ulittle32_t LineBytes;
+  /// Size of C11 line number info in above stream
+  support::ulittle32_t C11Bytes;
 
   /// Size of C13 line number info in above stream
   support::ulittle32_t C13Bytes;
diff --git a/include/llvm/DebugInfo/PDB/Native/StringTableBuilder.h b/include/llvm/DebugInfo/PDB/Native/StringTableBuilder.h
index dd0f40b1978d..9c4b12e33ba0 100644
--- a/include/llvm/DebugInfo/PDB/Native/StringTableBuilder.h
+++ b/include/llvm/DebugInfo/PDB/Native/StringTableBuilder.h
@@ -29,6 +29,7 @@ public:
   // If string S does not exist in the string table, insert it.
   // Returns the ID for S.
   uint32_t insert(StringRef S);
+  uint32_t getStringIndex(StringRef S);
 
   uint32_t finalize();
   Error commit(BinaryStreamWriter &Writer) const;