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