crashlog_osx.cpp File Reference

OS X crash log handler. More...

#include "../../stdafx.h"
#include "../../crashlog.h"
#include "../../fileio_func.h"
#include "../../string_func.h"
#include "../../gamelog.h"
#include "../../saveload/saveload.h"
#include "../../video/video_driver.hpp"
#include "macos.h"
#include <setjmp.h>
#include <signal.h>
#include <mach-o/arch.h>
#include <dlfcn.h>
#include <cxxabi.h>
#include <execinfo.h>
#include "../../safeguards.h"

Go to the source code of this file.

Data Structures
class	CrashLogOSX
	OSX implementation for the crash logger. More...

Macros
#define	IS_ALIGNED(addr)   (((uintptr_t)(addr) & 0xf) == 0)
#define	MAX_STACK_FRAMES   64

Functions
static sigset_t	SetSignals (void(*handler)(int))
	Set a signal handler for all signals we want to capture.
static void CDECL	HandleInternalCrash (int)
	Entry point for a crash that happened during the handling of a crash.
static void CDECL	HandleCrash (int signum)
	Entry point for the crash handler.

Variables
static constexpr int	_signals_to_handle [] = { SIGSEGV, SIGABRT, SIGFPE, SIGBUS, SIGILL, SIGSYS, SIGQUIT }
	The signals we want our crash handler to handle.

Detailed Description

OS X crash log handler.

Definition in file crashlog_osx.cpp.

Macro Definition Documentation

IS_ALIGNED

#define IS_ALIGNED

(

addr

)

(((uintptr_t)(addr) & 0xf) == 0)

Definition at line 37 of file crashlog_osx.cpp.

MAX_STACK_FRAMES

#define MAX_STACK_FRAMES   64

Definition at line 40 of file crashlog_osx.cpp.

Function Documentation

HandleCrash()

static void CDECL HandleCrash ( int  signum )

static

Entry point for the crash handler.

Parameters

signum

the signal that caused us to crash.

Definition at line 196 of file crashlog_osx.cpp.

References _gamelog, CrashLog::AfterCrashLogCleanup(), CrashLogOSX::current, CrashLogOSX::DisplayCrashDialog(), VideoDriver::GetInstance(), HandleInternalCrash(), CrashLog::MakeCrashLog(), SaveloadCrashWithMissingNewGRFs(), SetSignals(), ShowMacDialog(), and Gamelog::TestEmergency().

Referenced by CrashLog::InitialiseCrashLog().

HandleInternalCrash()

static void CDECL HandleInternalCrash ( int  )

static

Entry point for a crash that happened during the handling of a crash.

Definition at line 181 of file crashlog_osx.cpp.

References CrashLogOSX::current.

Referenced by HandleCrash().

SetSignals()

static sigset_t SetSignals ( void(*)(int)  handler )

static

Set a signal handler for all signals we want to capture.

Parameters

handler

The handler to use.

Returns

sigset_t A sigset_t containing all signals we want to capture.

Definition at line 154 of file crashlog_osx.cpp.

References _signals_to_handle.

Referenced by HandleCrash(), and CrashLog::InitialiseCrashLog().

Variable Documentation

_signals_to_handle

constexpr int _signals_to_handle[] = { SIGSEGV, SIGABRT, SIGFPE, SIGBUS, SIGILL, SIGSYS, SIGQUIT }

staticconstexpr

The signals we want our crash handler to handle.

Definition at line 43 of file crashlog_osx.cpp.

Referenced by SetSignals(), and CrashLogOSX::TryExecute().