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      1 // Copyright (c) 2012, Google Inc.
      2 // All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions are
      6 // met:
      7 //
      8 //     * Redistributions of source code must retain the above copyright
      9 // notice, this list of conditions and the following disclaimer.
     10 //     * Redistributions in binary form must reproduce the above
     11 // copyright notice, this list of conditions and the following disclaimer
     12 // in the documentation and/or other materials provided with the
     13 // distribution.
     14 //     * Neither the name of Google Inc. nor the names of its
     15 // contributors may be used to endorse or promote products derived from
     16 // this software without specific prior written permission.
     17 //
     18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 // ios_exception_minidump_generator.h:  Create a fake minidump from a
     31 // NSException.
     32 
     33 #ifndef CLIENT_IOS_HANDLER_IOS_EXCEPTION_MINIDUMP_GENERATOR_H_
     34 #define CLIENT_IOS_HANDLER_IOS_EXCEPTION_MINIDUMP_GENERATOR_H_
     35 
     36 #include <Foundation/Foundation.h>
     37 
     38 #include "client/mac/handler/minidump_generator.h"
     39 
     40 namespace google_breakpad {
     41 
     42 class IosExceptionMinidumpGenerator : public MinidumpGenerator {
     43  public:
     44   explicit IosExceptionMinidumpGenerator(NSException *exception);
     45   virtual ~IosExceptionMinidumpGenerator();
     46 
     47  protected:
     48   virtual bool WriteExceptionStream(MDRawDirectory *exception_stream);
     49   virtual bool WriteThreadStream(mach_port_t thread_id, MDRawThread *thread);
     50 
     51  private:
     52 
     53   // Get the crashing program counter from the exception.
     54   uintptr_t GetPCFromException();
     55 
     56   // Get the crashing link register from the exception.
     57   uintptr_t GetLRFromException();
     58 
     59   // Write a virtual thread context for the crashing site.
     60   bool WriteCrashingContext(MDLocationDescriptor *register_location);
     61   // Per-CPU implementations of the above method.
     62 #ifdef HAS_ARM_SUPPORT
     63   bool WriteCrashingContextARM(MDLocationDescriptor *register_location);
     64 #endif
     65 #ifdef HAS_ARM64_SUPPORT
     66   bool WriteCrashingContextARM64(MDLocationDescriptor *register_location);
     67 #endif
     68 
     69   NSArray *return_addresses_;
     70 };
     71 
     72 }  // namespace google_breakpad
     73 
     74 #endif  // CLIENT_IOS_HANDLER_IOS_EXCEPTION_MINIDUMP_GENERATOR_H_
     75