Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 80 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/DebugInfo/DWARF/DWARFDebugPubTable.h b/clang-r353983/include/llvm/DebugInfo/DWARF/DWARFDebugPubTable.h
new file mode 100644
index 00000000..99e91ca9
--- /dev/null
+++ b/clang-r353983/include/llvm/DebugInfo/DWARF/DWARFDebugPubTable.h
@@ -0,0 +1,80 @@
+//===- DWARFDebugPubTable.h -------------------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_H
+#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/BinaryFormat/Dwarf.h"
+#include "llvm/DebugInfo/DWARF/DWARFObject.h"
+#include <cstdint>
+#include <vector>
+
+namespace llvm {
+
+class raw_ostream;
+
+/// Represents structure for holding and parsing .debug_pub* tables.
+class DWARFDebugPubTable {
+public:
+  struct Entry {
+    /// Section offset from the beginning of the compilation unit.
+    uint32_t SecOffset;
+
+    /// An entry of the various gnu_pub* debug sections.
+    dwarf::PubIndexEntryDescriptor Descriptor;
+
+    /// The name of the object as given by the DW_AT_name attribute of the
+    /// referenced DIE.
+    StringRef Name;
+  };
+
+  /// Each table consists of sets of variable length entries. Each set describes
+  /// the names of global objects and functions, or global types, respectively,
+  /// whose definitions are represented by debugging information entries owned
+  /// by a single compilation unit.
+  struct Set {
+    /// The total length of the entries for that set, not including the length
+    /// field itself.
+    uint32_t Length;
+
+    /// This number is specific to the name lookup table and is independent of
+    /// the DWARF version number.
+    uint16_t Version;
+
+    /// The offset from the beginning of the .debug_info section of the
+    /// compilation unit header referenced by the set.
+    uint32_t Offset;
+
+    /// The size in bytes of the contents of the .debug_info section generated
+    /// to represent that compilation unit.
+    uint32_t Size;
+
+    std::vector<Entry> Entries;
+  };
+
+private:
+  std::vector<Set> Sets;
+
+  /// gnu styled tables contains additional information.
+  /// This flag determines whether or not section we parse is debug_gnu* table.
+  bool GnuStyle;
+
+public:
+  DWARFDebugPubTable(const DWARFObject &Obj, const DWARFSection &Sec,
+                     bool LittleEndian, bool GnuStyle);
+
+  void dump(raw_ostream &OS) const;
+
+  ArrayRef<Set> getData() { return Sets; }
+};
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGPUBTABLE_H