The Tor Browser: toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.h@129ffea94266 (annotated)

toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.h@129ffea94266 (annotated)

toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.h

Sat, 03 Jan 2015 20:18:00 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Sat, 03 Jan 2015 20:18:00 +0100
branch: TOR_BUG_3246
changeset 7: 129ffea94266
permissions: -rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

 // 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"
 #include "common/using_std_string.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 std::map<uint64, FunctionInfo*> FunctionMap;
 typedef std::map<uint64, std::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(std::vector<SourceFileInfo>* files,
                     std::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_;
   std::vector<SourceFileInfo>* files_;
   std::vector<string>* dirs_;
 };
 class CUFunctionInfoHandler: public Dwarf2Handler {
  public:
   CUFunctionInfoHandler(std::vector<SourceFileInfo>* files,
                         std::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);
   // 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:
   std::vector<SourceFileInfo>* files_;
   std::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__

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toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.h@129ffea94266 (annotated)

toolkit/crashreporter/google-breakpad/src/common/dwarf/functioninfo.h