DWARF: Put all the pieces we have together and provide a single accessor to DIContext that provides line information when given an address.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139836 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 1 deletions

diff --git a/include/llvm/DebugInfo/DIContext.h b/include/llvm/DebugInfo/DIContext.h
index bd888f74f2..152d90ad35 100644
--- a/include/llvm/DebugInfo/DIContext.h
+++ b/include/llvm/DebugInfo/DIContext.h
@@ -7,7 +7,7 @@
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines DIContext, and abstract data structure that holds
+// This file defines DIContext, an abstract data structure that holds
 // debug information data.
 //
 //===----------------------------------------------------------------------===//
@@ -21,6 +21,20 @@ namespace llvm {
 
 class raw_ostream;
 
+/// DILineInfo - a format-neutral container for source line information.
+class DILineInfo {
+  const char *FileName;
+  uint32_t Line;
+  uint32_t Column;
+public:
+  DILineInfo(const char *fileName, uint32_t line, uint32_t column)
+    : FileName(fileName), Line(line), Column(column) {}
+
+  const char *getFileName() const { return FileName; }
+  uint32_t getLine() const { return Line; }
+  uint32_t getColumn() const { return Column; }
+};
+
 class DIContext {
 public:
   virtual ~DIContext();
@@ -34,6 +48,8 @@ public:
                                     StringRef stringSection = StringRef());
 
   virtual void dump(raw_ostream &OS) = 0;
+
+  virtual DILineInfo getLineInfoForAddress(uint64_t address) = 0;
 };
 
 }