mirror of https://github.com/NekoX-Dev/NekoX.git
125 lines
5.1 KiB
C++
125 lines
5.1 KiB
C++
// Copyright (c) 2009, Google Inc.
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_
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#define CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_
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#include <stdint.h>
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#include <sys/types.h>
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#include <sys/ucontext.h>
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#include <unistd.h>
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#include <list>
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#include <utility>
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#include "client/linux/minidump_writer/linux_dumper.h"
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#include "google_breakpad/common/minidump_format.h"
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namespace google_breakpad {
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class ExceptionHandler;
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#if defined(__aarch64__)
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typedef struct fpsimd_context fpstate_t;
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#elif !defined(__ARM_EABI__) && !defined(__mips__)
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typedef struct _libc_fpstate fpstate_t;
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#endif
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// These entries store a list of memory regions that the client wants included
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// in the minidump.
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struct AppMemory {
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void* ptr;
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size_t length;
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bool operator==(const struct AppMemory& other) const {
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return ptr == other.ptr;
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}
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bool operator==(const void* other) const {
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return ptr == other;
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}
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};
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typedef std::list<AppMemory> AppMemoryList;
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// Writes a minidump to the filesystem. These functions do not malloc nor use
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// libc functions which may. Thus, it can be used in contexts where the state
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// of the heap may be corrupt.
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// minidump_path: the path to the file to write to. This is opened O_EXCL and
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// fails open fails.
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// crashing_process: the pid of the crashing process. This must be trusted.
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// blob: a blob of data from the crashing process. See exception_handler.h
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// blob_size: the length of |blob|, in bytes
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//
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// Returns true iff successful.
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bool WriteMinidump(const char* minidump_path, pid_t crashing_process,
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const void* blob, size_t blob_size);
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// Same as above but takes an open file descriptor instead of a path.
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bool WriteMinidump(int minidump_fd, pid_t crashing_process,
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const void* blob, size_t blob_size);
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// Alternate form of WriteMinidump() that works with processes that
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// are not expected to have crashed. If |process_blamed_thread| is
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// meaningful, it will be the one from which a crash signature is
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// extracted. It is not expected that this function will be called
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// from a compromised context, but it is safe to do so.
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bool WriteMinidump(const char* minidump_path, pid_t process,
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pid_t process_blamed_thread);
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// These overloads also allow passing a list of known mappings and
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// a list of additional memory regions to be included in the minidump.
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bool WriteMinidump(const char* minidump_path, pid_t crashing_process,
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const void* blob, size_t blob_size,
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const MappingList& mappings,
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const AppMemoryList& appdata);
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bool WriteMinidump(int minidump_fd, pid_t crashing_process,
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const void* blob, size_t blob_size,
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const MappingList& mappings,
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const AppMemoryList& appdata);
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// These overloads also allow passing a file size limit for the minidump.
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bool WriteMinidump(const char* minidump_path, off_t minidump_size_limit,
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pid_t crashing_process,
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const void* blob, size_t blob_size,
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const MappingList& mappings,
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const AppMemoryList& appdata);
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bool WriteMinidump(int minidump_fd, off_t minidump_size_limit,
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pid_t crashing_process,
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const void* blob, size_t blob_size,
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const MappingList& mappings,
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const AppMemoryList& appdata);
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bool WriteMinidump(const char* filename,
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const MappingList& mappings,
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const AppMemoryList& appdata,
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LinuxDumper* dumper);
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} // namespace google_breakpad
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#endif // CLIENT_LINUX_MINIDUMP_WRITER_MINIDUMP_WRITER_H_
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