Update llvm to trunk r256633.

1 files changed, 69 insertions, 0 deletions

diff --git a/contrib/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp b/contrib/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp
new file mode 100644
index 0000000..c6bfbc0
--- /dev/null
+++ b/contrib/llvm/lib/DebugInfo/Symbolize/DIPrinter.cpp
@@ -0,0 +1,69 @@
+//===- lib/DebugInfo/Symbolize/DIPrinter.cpp ------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the DIPrinter class, which is responsible for printing
+// structures defined in DebugInfo/DIContext.h
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/Symbolize/DIPrinter.h"
+
+#include "llvm/DebugInfo/DIContext.h"
+
+namespace llvm {
+namespace symbolize {
+
+// By default, DILineInfo contains "<invalid>" for function/filename it
+// cannot fetch. We replace it to "??" to make our output closer to addr2line.
+static const char kDILineInfoBadString[] = "<invalid>";
+static const char kBadString[] = "??";
+
+void DIPrinter::printName(const DILineInfo &Info, bool Inlined) {
+  if (PrintFunctionNames) {
+    std::string FunctionName = Info.FunctionName;
+    if (FunctionName == kDILineInfoBadString)
+      FunctionName = kBadString;
+
+    StringRef Delimiter = (PrintPretty == true) ? " at " : "\n";
+    StringRef Prefix = (PrintPretty && Inlined) ? " (inlined by) " : "";
+    OS << Prefix << FunctionName << Delimiter;
+  }
+  std::string Filename = Info.FileName;
+  if (Filename == kDILineInfoBadString)
+    Filename = kBadString;
+  OS << Filename << ":" << Info.Line << ":" << Info.Column << "\n";
+}
+
+DIPrinter &DIPrinter::operator<<(const DILineInfo &Info) {
+  printName(Info, false);
+  return *this;
+}
+
+DIPrinter &DIPrinter::operator<<(const DIInliningInfo &Info) {
+  uint32_t FramesNum = Info.getNumberOfFrames();
+  if (FramesNum == 0) {
+    printName(DILineInfo(), false);
+    return *this;
+  }
+  for (uint32_t i = 0; i < FramesNum; i++)
+    printName(Info.getFrame(i), i > 0);
+  return *this;
+}
+
+DIPrinter &DIPrinter::operator<<(const DIGlobal &Global) {
+  std::string Name = Global.Name;
+  if (Name == kDILineInfoBadString)
+    Name = kBadString;
+  OS << Name << "\n";
+  OS << Global.Start << " " << Global.Size << "\n";
+  return *this;
+}
+
+}
+}