1 // Copyright 2014 Google LLC 2 // 3 // Redistribution and use in source and binary forms, with or without 4 // modification, are permitted provided that the following conditions are 5 // met: 6 // 7 // * Redistributions of source code must retain the above copyright 8 // notice, this list of conditions and the following disclaimer. 9 // * Redistributions in binary form must reproduce the above 10 // copyright notice, this list of conditions and the following disclaimer 11 // in the documentation and/or other materials provided with the 12 // distribution. 13 // * Neither the name of Google LLC nor the names of its 14 // contributors may be used to endorse or promote products derived from 15 // this software without specific prior written permission. 16 // 17 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 29 #ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ 30 #define CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ 31 32 #include <limits.h> 33 #include <list> 34 #include <stdint.h> 35 36 #include "google_breakpad/common/minidump_format.h" 37 38 namespace google_breakpad { 39 40 // One of these is produced for each mapping in the process (i.e. line in 41 // /proc/$x/maps). 42 struct MappingInfo { 43 // On Android, relocation packing can mean that the reported start 44 // address of the mapping must be adjusted by a bias in order to 45 // compensate for the compression of the relocation section. The 46 // following two members hold (after LateInit) the adjusted mapping 47 // range. See crbug.com/606972 for more information. 48 uintptr_t start_addr; 49 size_t size; 50 // When Android relocation packing causes |start_addr| and |size| to 51 // be modified with a load bias, we need to remember the unbiased 52 // address range. The following structure holds the original mapping 53 // address range as reported by the operating system. 54 struct { 55 uintptr_t start_addr; 56 uintptr_t end_addr; 57 } system_mapping_info; 58 size_t offset; // offset into the backed file. 59 bool exec; // true if the mapping has the execute bit set. 60 char name[NAME_MAX]; 61 }; 62 63 struct MappingEntry { 64 MappingInfo first; 65 uint8_t second[sizeof(MDGUID)]; 66 }; 67 68 // A list of <MappingInfo, GUID> 69 typedef std::list<MappingEntry> MappingList; 70 71 } // namespace google_breakpad 72 73 #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_MAPPING_INFO_H_ 74