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1 // Copyright (c) 2014, 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
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13 // distribution.
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16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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29 
30 #ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_SECCOMP_UNWINDER_H
31 #define CLIENT_LINUX_DUMP_WRITER_COMMON_SECCOMP_UNWINDER_H
32 
33 #include "client/linux/dump_writer_common/raw_context_cpu.h"
34 #include "google_breakpad/common/minidump_format.h"
35 
36 namespace google_breakpad {
37 
38 struct SeccompUnwinder {
39 
40   // Check if the top of the stack is part of a system call that has been
41   // redirected by the seccomp sandbox. If so, try to pop the stack frames
42   // all the way back to the point where the interception happened.
43   static void PopSeccompStackFrame(RawContextCPU* cpu,
44                                    const MDRawThread& thread,
45                                    uint8_t* stack_copy);
46 };
47 
48 }  // namespace google_breakpad
49 
50 #endif  // CLIENT_LINUX_DUMP_WRITER_COMMON_SECCOMP_UNWINDER_H
51