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