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_UCONTEXT_READER_H 31 #define CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H 32 33 #include <sys/ucontext.h> 34 #include <sys/user.h> 35 36 #include "client/linux/dump_writer_common/raw_context_cpu.h" 37 #include "common/memory.h" 38 #include "google_breakpad/common/minidump_format.h" 39 40 namespace google_breakpad { 41 42 // Wraps platform-dependent implementations of accessors to ucontext structs. 43 struct UContextReader { 44 static uintptr_t GetStackPointer(const struct ucontext* uc); 45 46 static uintptr_t GetInstructionPointer(const struct ucontext* uc); 47 48 // Juggle a arch-specific ucontext into a minidump format 49 // out: the minidump structure 50 // info: the collection of register structures. 51 #if defined(__i386__) || defined(__x86_64) 52 static void FillCPUContext(RawContextCPU *out, const ucontext *uc, 53 const struct _libc_fpstate* fp); 54 #elif defined(__aarch64__) 55 static void FillCPUContext(RawContextCPU *out, const ucontext *uc, 56 const struct fpsimd_context* fpregs); 57 #else 58 static void FillCPUContext(RawContextCPU *out, const ucontext *uc); 59 #endif 60 }; 61 62 } // namespace google_breakpad 63 64 #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_UCONTEXT_READER_H 65
