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85 lines
2.7 KiB
85 lines
2.7 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ART_RUNTIME_RUNTIME_COMMON_H_
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#define ART_RUNTIME_RUNTIME_COMMON_H_
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// Code shared by runtime/runtime_android.cc and runtime/runtime_linux.cc.
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#if defined(__APPLE__)
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// On macOS, _XOPEN_SOURCE must be defined to access ucontext
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// routines, as they are considered deprecated on that platform.
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#define _XOPEN_SOURCE
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#endif
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#include <sys/utsname.h>
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#include <ucontext.h>
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#include <iomanip>
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#include "base/dumpable.h"
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#include "base/utils.h"
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#include "native_stack_dump.h"
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namespace art {
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struct Backtrace {
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public:
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explicit Backtrace(void* raw_context) : raw_context_(raw_context) {}
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void Dump(std::ostream& os) const {
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// This is a backtrace from a crash, do not skip any frames in case the
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// crash is in the unwinder itself.
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DumpNativeStack(os, GetTid(), nullptr, "\t", nullptr, raw_context_, false);
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}
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private:
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// Stores the context of the signal that was unexpected and will terminate the runtime. The
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// DumpNativeStack code will take care of casting it to the expected type. This is required
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// as our signal handler runs on an alternate stack.
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void* raw_context_;
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};
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struct OsInfo {
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void Dump(std::ostream& os) const {
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utsname info;
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uname(&info);
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// Linux 2.6.38.8-gg784 (x86_64)
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// Darwin 11.4.0 (x86_64)
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os << info.sysname << " " << info.release << " (" << info.machine << ")";
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}
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};
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const char* GetSignalName(int signal_number);
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const char* GetSignalCodeName(int signal_number, int signal_code);
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// Return the signal number we recognize as timeout. -1 means not active/supported.
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int GetTimeoutSignal();
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void HandleUnexpectedSignalCommon(int signal_number,
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siginfo_t* info,
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void* raw_context,
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bool handle_timeout_signal,
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bool dump_on_stderr);
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void InitPlatformSignalHandlersCommon(void (*newact)(int, siginfo_t*, void*),
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struct sigaction* oldact,
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bool handle_timeout_signal);
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void FlagRuntimeAbort();
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} // namespace art
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#endif // ART_RUNTIME_RUNTIME_COMMON_H_
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