| // Copyright (c) 2014, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #ifndef CLIENT_LINUX_DUMP_WRITER_COMMON_THREAD_INFO_H_ |
| #define CLIENT_LINUX_DUMP_WRITER_COMMON_THREAD_INFO_H_ |
| |
| #include <sys/ucontext.h> |
| #include <sys/user.h> |
| |
| #include "client/linux/dump_writer_common/raw_context_cpu.h" |
| #include "common/memory_allocator.h" |
| #include "google_breakpad/common/minidump_format.h" |
| |
| namespace google_breakpad { |
| |
| #if defined(__i386) || defined(__x86_64) |
| typedef __typeof__(((struct user*) 0)->u_debugreg[0]) debugreg_t; |
| #endif |
| |
| // We produce one of these structures for each thread in the crashed process. |
| struct ThreadInfo { |
| pid_t tgid; // thread group id |
| pid_t ppid; // parent process |
| |
| uintptr_t stack_pointer; // thread stack pointer |
| |
| |
| #if defined(__i386) || defined(__x86_64) |
| user_regs_struct regs; |
| user_fpregs_struct fpregs; |
| static const unsigned kNumDebugRegisters = 8; |
| debugreg_t dregs[8]; |
| #if defined(__i386) |
| user_fpxregs_struct fpxregs; |
| #endif // defined(__i386) |
| |
| #elif defined(__ARM_EABI__) |
| // Mimicking how strace does this(see syscall.c, search for GETREGS) |
| struct user_regs regs; |
| struct user_fpregs fpregs; |
| #elif defined(__aarch64__) |
| // Use the structures defined in <sys/user.h> |
| struct user_regs_struct regs; |
| struct user_fpsimd_struct fpregs; |
| #elif defined(__mips__) |
| // Use the structure defined in <sys/ucontext.h>. |
| mcontext_t mcontext; |
| #endif |
| |
| // Returns the instruction pointer (platform-dependent impl.). |
| uintptr_t GetInstructionPointer() const; |
| |
| // Fills a RawContextCPU using the context in the ThreadInfo object. |
| void FillCPUContext(RawContextCPU* out) const; |
| |
| // Returns the pointer and size of general purpose register area. |
| void GetGeneralPurposeRegisters(void** gp_regs, size_t* size); |
| |
| // Returns the pointer and size of float point register area. |
| void GetFloatingPointRegisters(void** fp_regs, size_t* size); |
| }; |
| |
| } // namespace google_breakpad |
| |
| #endif // CLIENT_LINUX_DUMP_WRITER_COMMON_THREAD_INFO_H_ |