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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