1 /* 2 * Copyright (c) 2014, The Linux Foundation. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without modification, are permitted 5 * provided that the following conditions are met: 6 * * Redistributions of source code must retain the above copyright notice, this list of 7 * conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above copyright notice, this list of 9 * conditions and the following disclaimer in the documentation and/or other materials provided 10 * with the distribution. 11 * * Neither the name of The Linux Foundation nor the names of its contributors may be used to 12 * endorse or promote products derived from this software without specific prior written 13 * permission. 14 * 15 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 16 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 17 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 19 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 20 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 21 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 22 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 23 */ 24 25 #ifndef __DUMP_IMPL_H__ 26 #define __DUMP_IMPL_H__ 27 28 #include <core/dump_interface.h> 29 30 namespace sdm { 31 32 class DumpImpl { 33 public: 34 // To be implemented in the modules which will add dump information to final dump buffer. 35 // buffer address & length will be already adjusted before calling into these modules. 36 virtual void AppendDump(char *buffer, uint32_t length) = 0; 37 static void AppendString(char *buffer, uint32_t length, const char *format, ...); 38 39 protected: 40 DumpImpl(); 41 virtual ~DumpImpl(); 42 43 private: 44 static const uint32_t kMaxDumpObjects = 32; 45 46 static void Register(DumpImpl *dump_impl); 47 static void Unregister(DumpImpl *dump_impl); 48 49 static DumpImpl *dump_list_[kMaxDumpObjects]; 50 static uint32_t dump_count_; 51 52 friend class DumpInterface; 53 }; 54 55 } // namespace sdm 56 57 #endif // __DUMP_IMPL_H__ 58 59