First round of dead file removal

experimental/visual_studio_plugin/third_party/breakpad/common/dwarf/functioninfo.h

-// Copyright (c) 2010 Google Inc. All Rights Reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions are
-// met:
-//
-//     * Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//     * Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following disclaimer
-// in the documentation and/or other materials provided with the
-// distribution.
-//     * Neither the name of Google Inc. nor the names of its
-// contributors may be used to endorse or promote products derived from
-// this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-
-// This file contains the definitions for a DWARF2/3 information
-// collector that uses the DWARF2/3 reader interface to build a mapping
-// of addresses to files, lines, and functions.
-
-#ifndef COMMON_DWARF_FUNCTIONINFO_H__
-#define COMMON_DWARF_FUNCTIONINFO_H__
-
-#include <map>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "common/dwarf/dwarf2reader.h"
-
-
-namespace dwarf2reader {
-
-struct FunctionInfo {
-  // Name of the function
-  string name;
-  // Mangled name of the function
-  string mangled_name;
-  // File containing this function
-  string file;
-  // Line number for start of function.
-  uint32 line;
-  // Beginning address for this function
-  uint64 lowpc;
-  // End address for this function.
-  uint64 highpc;
-};
-
-struct SourceFileInfo {
-  // Name of the source file name
-  string name;
-  // Low address of source file name
-  uint64 lowpc;
-};
-
-typedef map<uint64, FunctionInfo*> FunctionMap;
-typedef map<uint64, pair<string, uint32> > LineMap;
-
-// This class is a basic line info handler that fills in the dirs,
-// file, and linemap passed into it with the data produced from the
-// LineInfoHandler.
-class CULineInfoHandler: public LineInfoHandler {
- public:
-
-  //
-  CULineInfoHandler(vector<SourceFileInfo>* files,
-                    vector<string>* dirs,
-                    LineMap* linemap);
-  virtual ~CULineInfoHandler() { }
-
-  // Called when we define a directory.  We just place NAME into dirs_
-  // at position DIR_NUM.
-  virtual void DefineDir(const string& name, uint32 dir_num);
-
-  // Called when we define a filename.  We just place
-  // concat(dirs_[DIR_NUM], NAME) into files_ at position FILE_NUM.
-  virtual void DefineFile(const string& name, int32 file_num,
-                          uint32 dir_num, uint64 mod_time, uint64 length);
-
-
-  // Called when the line info reader has a new line, address pair
-  // ready for us. ADDRESS is the address of the code, LENGTH is the
-  // length of its machine code in bytes, FILE_NUM is the file number
-  // containing the code, LINE_NUM is the line number in that file for
-  // the code, and COLUMN_NUM is the column number the code starts at,
-  // if we know it (0 otherwise).
-  virtual void AddLine(uint64 address, uint64 length,
-                       uint32 file_num, uint32 line_num, uint32 column_num);
-
- private:
-  LineMap* linemap_;
-  vector<SourceFileInfo>* files_;
-  vector<string>* dirs_;
-};
-
-class CUFunctionInfoHandler: public Dwarf2Handler {
- public:
-  CUFunctionInfoHandler(vector<SourceFileInfo>* files,
-                        vector<string>* dirs,
-                        LineMap* linemap,
-                        FunctionMap* offset_to_funcinfo,
-                        FunctionMap* address_to_funcinfo,
-                        CULineInfoHandler* linehandler,
-                        const SectionMap& sections,
-                        ByteReader* reader)
-      : files_(files), dirs_(dirs), linemap_(linemap),
-        offset_to_funcinfo_(offset_to_funcinfo),
-        address_to_funcinfo_(address_to_funcinfo),
-        linehandler_(linehandler), sections_(sections),
-        reader_(reader), current_function_info_(NULL) { }
-
-  virtual ~CUFunctionInfoHandler() { }
-
-  // Start to process a compilation unit at OFFSET from the beginning of the
-  // .debug_info section.  We want to see all compilation units, so we
-  // always return true.
-
-  virtual bool StartCompilationUnit(uint64 offset, uint8 address_size,
-                                    uint8 offset_size, uint64 cu_length,
-                                    uint8 dwarf_version);
-
-  // Start to process a DIE at OFFSET from the beginning of the
-  // .debug_info section.  We only care about function related DIE's.
-  virtual bool StartDIE(uint64 offset, enum DwarfTag tag,
-                        const AttributeList& attrs);
-
-  // Called when we have an attribute with unsigned data to give to
-  // our handler.  The attribute is for the DIE at OFFSET from the
-  // beginning of the .debug_info section, has a name of ATTR, a form of
-  // FORM, and the actual data of the attribute is in DATA.
-  virtual void ProcessAttributeUnsigned(uint64 offset,
-                                        enum DwarfAttribute attr,
-                                        enum DwarfForm form,
-                                        uint64 data);
-
-  // Called when we have an attribute with a DIE reference to give to
-  // our handler.  The attribute is for the DIE at OFFSET from the
-  // beginning of the .debug_info section, has a name of ATTR, a form of
-  // FORM, and the offset of the referenced DIE from the start of the
-  // .debug_info section is in DATA.
-  virtual void ProcessAttributeReference(uint64 offset,
-                                         enum DwarfAttribute attr,
-                                         enum DwarfForm form,
-                                         uint64 data);
-
-  // Called when we have an attribute with string data to give to
-  // our handler.  The attribute is for the DIE at OFFSET from the
-  // beginning of the .debug_info section, has a name of ATTR, a form of
-  // FORM, and the actual data of the attribute is in DATA.
-  virtual void ProcessAttributeString(uint64 offset,
-                                      enum DwarfAttribute attr,
-                                      enum DwarfForm form,
-                                      const string& data);
-
-  // Called when finished processing the DIE at OFFSET.
-  // Because DWARF2/3 specifies a tree of DIEs, you may get starts
-  // before ends of the previous DIE, as we process children before
-  // ending the parent.
-  virtual void EndDIE(uint64 offset);
-
- private:
-  vector<SourceFileInfo>* files_;
-  vector<string>* dirs_;
-  LineMap* linemap_;
-  FunctionMap* offset_to_funcinfo_;
-  FunctionMap* address_to_funcinfo_;
-  CULineInfoHandler* linehandler_;
-  const SectionMap& sections_;
-  ByteReader* reader_;
-  FunctionInfo* current_function_info_;
-  uint64 current_compilation_unit_offset_;
-};
-
-}  // namespace dwarf2reader
-#endif  // COMMON_DWARF_FUNCTIONINFO_H__