From d4ad5e32a61da5eb046cc109a2bb7c68cc06745f Mon Sep 17 00:00:00 2001
From: Eric Christopher <echristo@gmail.com>
Date: Mon, 9 Sep 2013 20:03:11 +0000
Subject: [PATCH] Add constant defines for gnu pubnames and gnu pubtypes -
 they're used for the gdb index as the names convey.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190343 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/Support/Dwarf.h | 17 +++++++++++++++++
 lib/Support/Dwarf.cpp        | 23 +++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index 0e00761bf3c..a31c3f131be 100644
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -789,6 +789,23 @@ enum AcceleratorTable {
 /// AtomTypeString - Return the string for the specified Atom type.
 const char *AtomTypeString(unsigned Atom);
 
+// Constants for the GNU pubnames/pubtypes extensions supporting gdb index.
+enum GDBIndex {
+  // Special value to indicate no attributes are present.
+  GDB_INDEX_SYMBOL_KIND_NONE = 0,
+  GDB_INDEX_SYMBOL_KIND_TYPE = 1,
+  GDB_INDEX_SYMBOL_KIND_VARIABLE = 2,
+  GDB_INDEX_SYMBOL_KIND_FUNCTION = 3,
+  GDB_INDEX_SYMBOL_KIND_OTHER = 4,
+  // 3 unused bits.
+  GDB_INDEX_SYMBOL_KIND_UNUSED5 = 5,
+  GDB_INDEX_SYMBOL_KIND_UNUSED6 = 6,
+  GDB_INDEX_SYMBOL_KIND_UNUSED7 = 7
+};
+
+/// GDBIndexTypeString - Return the string for the specified index type.
+const char *GDBIndexTypeString(unsigned Kind);
+
 } // End of namespace dwarf
 
 } // End of namespace llvm
diff --git a/lib/Support/Dwarf.cpp b/lib/Support/Dwarf.cpp
index 3bacdd35793..5c780ddc2b8 100644
--- a/lib/Support/Dwarf.cpp
+++ b/lib/Support/Dwarf.cpp
@@ -739,3 +739,26 @@ const char *llvm::dwarf::AtomTypeString(unsigned AT) {
   }
   return 0;
 }
+
+const char *llvm::dwarf::GDBIndexTypeString(unsigned Kind) {
+  switch (Kind) {
+  case GDB_INDEX_SYMBOL_KIND_NONE:
+    return "case GDB_INDEX_SYMBOL_KIND_NONE";
+  case GDB_INDEX_SYMBOL_KIND_TYPE:
+    return "case GDB_INDEX_SYMBOL_KIND_TYPE";
+  case GDB_INDEX_SYMBOL_KIND_VARIABLE:
+    return "case GDB_INDEX_SYMBOL_KIND_VARIABLE";
+  case GDB_INDEX_SYMBOL_KIND_FUNCTION:
+    return "case GDB_INDEX_SYMBOL_KIND_FUNCTION";
+  case GDB_INDEX_SYMBOL_KIND_OTHER:
+    return "case GDB_INDEX_SYMBOL_KIND_OTHER";
+  // 3 unused bits.
+  case GDB_INDEX_SYMBOL_KIND_UNUSED5:
+    return "case GDB_INDEX_SYMBOL_KIND_UNUSED5";
+  case GDB_INDEX_SYMBOL_KIND_UNUSED6:
+    return "case GDB_INDEX_SYMBOL_KIND_UNUSED6";
+  case GDB_INDEX_SYMBOL_KIND_UNUSED7:
+    return "case GDB_INDEX_SYMBOL_KIND_UNUSED7";
+  }
+  return 0;
+}