1 //===- lib/DebugInfo/Symbolize/DIPrinter.cpp ------------------------------===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 //
10 // This file defines the DIPrinter class, which is responsible for printing
11 // structures defined in DebugInfo/DIContext.h
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #include "llvm/DebugInfo/Symbolize/DIPrinter.h"
16 
17 #include "llvm/DebugInfo/DIContext.h"
18 
19 namespace llvm {
20 namespace symbolize {
21 
22 // By default, DILineInfo contains "<invalid>" for function/filename it
23 // cannot fetch. We replace it to "??" to make our output closer to addr2line.
24 static const char kDILineInfoBadString[] = "<invalid>";
25 static const char kBadString[] = "??";
26 
27 DIPrinter &DIPrinter::operator<<(const DILineInfo &Info) {
28   if (PrintFunctionNames) {
29     std::string FunctionName = Info.FunctionName;
30     if (FunctionName == kDILineInfoBadString)
31       FunctionName = kBadString;
32     OS << FunctionName << "\n";
33   }
34   std::string Filename = Info.FileName;
35   if (Filename == kDILineInfoBadString)
36     Filename = kBadString;
37   OS << Filename << ":" << Info.Line << ":" << Info.Column << "\n";
38   return *this;
39 }
40 
41 DIPrinter &DIPrinter::operator<<(const DIInliningInfo &Info) {
42   uint32_t FramesNum = Info.getNumberOfFrames();
43   if (FramesNum == 0)
44     return (*this << DILineInfo());
45   for (uint32_t i = 0; i < FramesNum; i++) {
46     *this << Info.getFrame(i);
47   }
48   return *this;
49 }
50 
51 DIPrinter &DIPrinter::operator<<(const DIGlobal &Global) {
52   std::string Name = Global.Name;
53   if (Name == kDILineInfoBadString)
54     Name = kBadString;
55   OS << Name << "\n";
56   OS << Global.Start << " " << Global.Size << "\n";
57   return *this;
58 }
59 
60 }
61 }
62