1 // -*- mode: c++ -*- 2 3 // Copyright (c) 2018 Google Inc. 4 // All rights reserved. 5 // 6 // Redistribution and use in source and binary forms, with or without 7 // modification, are permitted provided that the following conditions are 8 // met: 9 // 10 // * Redistributions of source code must retain the above copyright 11 // notice, this list of conditions and the following disclaimer. 12 // * Redistributions in binary form must reproduce the above 13 // copyright notice, this list of conditions and the following disclaimer 14 // in the documentation and/or other materials provided with the 15 // distribution. 16 // * Neither the name of Google Inc. nor the names of its 17 // contributors may be used to endorse or promote products derived from 18 // this software without specific prior written permission. 19 // 20 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 23 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 24 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 32 // Original author: Gabriele Svelto <gsvelto@mozilla.com> 33 // <gabriele.svelto@gmail.com> 34 35 // The DwarfRangeListHandler class accepts rangelist data from a DWARF parser 36 // and adds it to a google_breakpad::Function or other objects supporting 37 // ranges. 38 39 #ifndef COMMON_LINUX_DWARF_RANGE_LIST_HANDLER_H 40 #define COMMON_LINUX_DWARF_RANGE_LIST_HANDLER_H 41 42 #include <vector> 43 44 #include "common/module.h" 45 #include "common/dwarf/dwarf2reader.h" 46 47 namespace google_breakpad { 48 49 // A class for producing a vector of google_breakpad::Module::Range 50 // instances from a parsed DWARF range list. 51 52 class DwarfRangeListHandler: public dwarf2reader::RangeListHandler { 53 public: DwarfRangeListHandler(uint64_t base_address,vector<Module::Range> * ranges)54 DwarfRangeListHandler(uint64_t base_address, vector<Module::Range> *ranges) 55 : base_address_(base_address), ranges_(ranges) { } 56 ~DwarfRangeListHandler()57 ~DwarfRangeListHandler() { } 58 59 // Add a range to the list 60 void AddRange(uint64_t begin, uint64_t end); 61 62 // Record the new base address and use it for the following entries 63 void SetBaseAddress(uint64_t base_address); 64 65 // Sort the ranges so that they are in ascending order of starting address 66 void Finish(); 67 68 private: 69 // The current PC to add to every entry, this can be overridden by a special 70 // list entry 71 uint64_t base_address_; 72 73 // The list of ranges to be populated 74 vector<Module::Range> *ranges_; 75 }; 76 77 } // namespace google_breakpad 78 79 #endif // COMMON_LINUX_DWARF_RANGE_LIST_HANDLER_H 80