1 // Copyright 2010 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 // stackwalker_sparc.h: sparc-specific stackwalker. 30 // 31 // Provides stack frames given sparc register context and a memory region 32 // corresponding to an sparc stack. 33 // 34 // Author: Michael Shang 35 36 37 #ifndef PROCESSOR_STACKWALKER_SPARC_H__ 38 #define PROCESSOR_STACKWALKER_SPARC_H__ 39 40 41 #include "google_breakpad/common/breakpad_types.h" 42 #include "google_breakpad/common/minidump_format.h" 43 #include "google_breakpad/processor/stackwalker.h" 44 45 namespace google_breakpad { 46 47 class CodeModules; 48 49 class StackwalkerSPARC : public Stackwalker { 50 public: 51 // context is a sparc context object that gives access to sparc-specific 52 // register state corresponding to the innermost called frame to be 53 // included in the stack. The other arguments are passed directly through 54 // to the base Stackwalker constructor. 55 StackwalkerSPARC(const SystemInfo* system_info, 56 const MDRawContextSPARC* context, 57 MemoryRegion* memory, 58 const CodeModules* modules, 59 StackFrameSymbolizer* frame_symbolizer); 60 61 private: 62 // Implementation of Stackwalker, using sparc context (%fp, %sp, %pc) and 63 // stack conventions 64 virtual StackFrame* GetContextFrame(); 65 virtual StackFrame* GetCallerFrame(const CallStack* stack, 66 bool stack_scan_allowed); 67 68 // Stores the CPU context corresponding to the innermost stack frame to 69 // be returned by GetContextFrame. 70 const MDRawContextSPARC* context_; 71 }; 72 73 74 } // namespace google_breakpad 75 76 77 #endif // PROCESSOR_STACKWALKER_SPARC_H__ 78