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 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#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 36namespace google_breakpad { 37 38struct 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