The Tor Browser: toolkit/crashreporter/google-breakpad/src/processor/windows_frame

toolkit/crashreporter/google-breakpad/src/processor/windows_frame_info.h@6474c204b198 (annotated)

toolkit/crashreporter/google-breakpad/src/processor/windows_frame_info.h

Wed, 31 Dec 2014 06:09:35 +0100

author: Michael Schloh von Bennewitz <michael@schloh.com>
date: Wed, 31 Dec 2014 06:09:35 +0100
changeset 0: 6474c204b198
permissions: -rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

 // Copyright (c) 2006, 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.
 // windows_frame_info.h: Holds debugging information about a stack frame.
 //
 // This structure is specific to Windows debugging information obtained
 // from pdb files using the DIA API.
 //
 // Author: Mark Mentovai
 #ifndef PROCESSOR_WINDOWS_FRAME_INFO_H__
 #define PROCESSOR_WINDOWS_FRAME_INFO_H__
 #include <string.h>
 #include <stdlib.h>
 #include <string>
 #include <vector>
 #include "common/using_std_string.h"
 #include "google_breakpad/common/breakpad_types.h"
 #include "common/logging.h"
 #include "processor/tokenize.h"
 namespace google_breakpad {
 #ifdef _WIN32
 #define strtoull _strtoui64
 #endif
 struct WindowsFrameInfo {
  public:
   enum Validity {
     VALID_NONE           = 0,
     VALID_PARAMETER_SIZE = 1,
     VALID_ALL            = -1
   };
   // The types for stack_info_.  This is equivalent to MS DIA's
   // StackFrameTypeEnum.  Each identifies a different type of frame
   // information, although all are represented in the symbol file in the
   // same format.  These are used as indices to the stack_info_ array.
   enum StackInfoTypes {
     STACK_INFO_FPO = 0,
     STACK_INFO_TRAP,  // not used here
     STACK_INFO_TSS,   // not used here
     STACK_INFO_STANDARD,
     STACK_INFO_FRAME_DATA,
     STACK_INFO_LAST,  // must be the last sequentially-numbered item
     STACK_INFO_UNKNOWN = -1
   };
   WindowsFrameInfo() : type_(STACK_INFO_UNKNOWN),
                      valid(VALID_NONE),
                      prolog_size(0),
                      epilog_size(0),
                      parameter_size(0),
                      saved_register_size(0),
                      local_size(0),
                      max_stack_size(0),
                      allocates_base_pointer(0),
                      program_string() {}
   WindowsFrameInfo(StackInfoTypes type,
                  uint32_t set_prolog_size,
                  uint32_t set_epilog_size,
                  uint32_t set_parameter_size,
                  uint32_t set_saved_register_size,
                  uint32_t set_local_size,
                  uint32_t set_max_stack_size,
                  int set_allocates_base_pointer,
                  const string set_program_string)
       : type_(type),
         valid(VALID_ALL),
         prolog_size(set_prolog_size),
         epilog_size(set_epilog_size),
         parameter_size(set_parameter_size),
         saved_register_size(set_saved_register_size),
         local_size(set_local_size),
         max_stack_size(set_max_stack_size),
         allocates_base_pointer(set_allocates_base_pointer),
         program_string(set_program_string) {}
   // Parse a textual serialization of a WindowsFrameInfo object from
   // a string. Returns NULL if parsing fails, or a new object
   // otherwise. type, rva and code_size are present in the STACK line,
   // but not the StackFrameInfo structure, so return them as outparams.
   static WindowsFrameInfo *ParseFromString(const string string,
                                            int &type,
                                            uint64_t &rva,
                                            uint64_t &code_size) {
     // The format of a STACK WIN record is documented at:
     //
     // http://code.google.com/p/google-breakpad/wiki/SymbolFiles
     std::vector<char>  buffer;
     StringToVector(string, buffer);
     std::vector<char*> tokens;
     if (!Tokenize(&buffer[0], " \r\n", 11, &tokens))
       return NULL;
     type = strtol(tokens[0], NULL, 16);
     if (type < 0 || type > STACK_INFO_LAST - 1)
       return NULL;
     rva                           = strtoull(tokens[1],  NULL, 16);
     code_size                     = strtoull(tokens[2],  NULL, 16);
     uint32_t prolog_size          =  strtoul(tokens[3],  NULL, 16);
     uint32_t epilog_size          =  strtoul(tokens[4],  NULL, 16);
     uint32_t parameter_size       =  strtoul(tokens[5],  NULL, 16);
     uint32_t saved_register_size  =  strtoul(tokens[6],  NULL, 16);
     uint32_t local_size           =  strtoul(tokens[7],  NULL, 16);
     uint32_t max_stack_size       =  strtoul(tokens[8],  NULL, 16);
     int has_program_string        =  strtoul(tokens[9], NULL, 16);
     const char *program_string = "";
     int allocates_base_pointer = 0;
     if (has_program_string) {
       program_string = tokens[10];
     } else {
       allocates_base_pointer = strtoul(tokens[10], NULL, 16);
     }
     return new WindowsFrameInfo(static_cast<StackInfoTypes>(type),
                                 prolog_size,
                                 epilog_size,
                                 parameter_size,
                                 saved_register_size,
                                 local_size,
                                 max_stack_size,
                                 allocates_base_pointer,
                                 program_string);
   }
   // CopyFrom makes "this" WindowsFrameInfo object identical to "that".
   void CopyFrom(const WindowsFrameInfo &that) {
     type_ = that.type_;
     valid = that.valid;
     prolog_size = that.prolog_size;
     epilog_size = that.epilog_size;
     parameter_size = that.parameter_size;
     saved_register_size = that.saved_register_size;
     local_size = that.local_size;
     max_stack_size = that.max_stack_size;
     allocates_base_pointer = that.allocates_base_pointer;
     program_string = that.program_string;
   }
   // Clears the WindowsFrameInfo object so that users will see it as though
   // it contains no information.
   void Clear() {
     type_ = STACK_INFO_UNKNOWN;
     valid = VALID_NONE;
     program_string.erase();
   }
   StackInfoTypes type_;
   // Identifies which fields in the structure are valid.  This is of
   // type Validity, but it is defined as an int because it's not
   // possible to OR values into an enumerated type.  Users must check
   // this field before using any other.
   int valid;
   // These values come from IDiaFrameData.
   uint32_t prolog_size;
   uint32_t epilog_size;
   uint32_t parameter_size;
   uint32_t saved_register_size;
   uint32_t local_size;
   uint32_t max_stack_size;
   // Only one of allocates_base_pointer or program_string will be valid.
   // If program_string is empty, use allocates_base_pointer.
   bool allocates_base_pointer;
   string program_string;
 };
 }  // namespace google_breakpad
 #endif  // PROCESSOR_WINDOWS_FRAME_INFO_H__

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toolkit/crashreporter/google-breakpad/src/processor/windows_frame_info.h@6474c204b198 (annotated)

toolkit/crashreporter/google-breakpad/src/processor/windows_frame_info.h