blob: ec08907dae3f6d494cfd33c081ecd787bca1a5db [file] [log] [blame]
/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ART_RUNTIME_RUNTIME_COMMON_H_
#define ART_RUNTIME_RUNTIME_COMMON_H_
// Code shared by runtime/runtime_android.cc and runtime/runtime_linux.cc.
#if defined(__APPLE__)
// On macOS, _XOPEN_SOURCE must be defined to access ucontext
// routines, as they are considered deprecated on that platform.
#define _XOPEN_SOURCE
#endif
#include <sys/utsname.h>
#include <ucontext.h>
#include <iomanip>
#include "base/dumpable.h"
#include "base/utils.h"
#include "native_stack_dump.h"
namespace art {
struct Backtrace {
public:
explicit Backtrace(void* raw_context) : raw_context_(raw_context) {}
void Dump(std::ostream& os) const {
// This is a backtrace from a crash, do not skip any frames in case the
// crash is in the unwinder itself.
DumpNativeStack(os, GetTid(), "\t", nullptr, raw_context_, false);
}
private:
// Stores the context of the signal that was unexpected and will terminate the runtime. The
// DumpNativeStack code will take care of casting it to the expected type. This is required
// as our signal handler runs on an alternate stack.
void* raw_context_;
};
struct OsInfo {
void Dump(std::ostream& os) const {
utsname info;
uname(&info);
// Linux 2.6.38.8-gg784 (x86_64)
// Darwin 11.4.0 (x86_64)
os << info.sysname << " " << info.release << " (" << info.machine << ")";
}
};
const char* GetSignalName(int signal_number);
const char* GetSignalCodeName(int signal_number, int signal_code);
// Return the signal number we recognize as timeout. -1 means not active/supported.
int GetTimeoutSignal();
void HandleUnexpectedSignalCommon(int signal_number,
siginfo_t* info,
void* raw_context,
bool handle_timeout_signal,
bool dump_on_stderr);
void InitPlatformSignalHandlersCommon(void (*newact)(int, siginfo_t*, void*),
struct sigaction* oldact,
bool handle_timeout_signal);
void FlagRuntimeAbort();
} // namespace art
#endif // ART_RUNTIME_RUNTIME_COMMON_H_