Merge remote-tracking branch 'Kernel/master'

Kernel/include/kexcept/cxxabi.h

@@ -0,0 +1,118 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FENNIX_KERNEL_CXXABI_H__
+#define __FENNIX_KERNEL_CXXABI_H__
+
+#include <types.h>
+#include <kexcept/unwind.h>
+#include <typeinfo>
+
+namespace __cxxabiv1
+{
+#define ATEXIT_MAX_FUNCS 128
+
+	typedef unsigned uarch_t;
+
+	struct atexit_func_entry_t
+	{
+		void (*destructor_func)(void *);
+		void *obj_ptr;
+		void *dso_handle;
+	};
+
+	struct __cxa_exception
+	{
+#ifdef __LP64__
+		char __padding[8];
+		uintptr_t referenceCount;
+#endif
+		std::type_info *exceptionType;
+		void (*exceptionDestructor)(void *);
+		std::terminate_handler unexpectedHandler;
+		std::terminate_handler terminateHandler;
+		__cxa_exception *nextException;
+		int handlerCount;
+#ifdef __arm__
+		__cxa_exception *nextPropagatingException;
+		int propagationCount;
+#else
+		int handlerSwitchValue;
+		const unsigned char *actionRecord;
+		const unsigned char *languageSpecificData;
+		void *catchTemp;
+		void *adjustedPtr;
+#endif
+#ifndef __LP64__
+		uintptr_t referenceCount;
+#endif
+		_Unwind_Exception unwindHeader;
+	};
+
+	struct __cxa_dependent_exception
+	{
+#ifdef __LP64__
+		char __padding[8];
+		void *primaryException;
+#endif
+		std::type_info *exceptionType;
+		void (*exceptionDestructor)(void *);
+		std::unexpected_handler unexpectedHandler;
+		std::terminate_handler terminateHandler;
+		__cxa_exception *nextException;
+		int handlerCount;
+#ifdef __arm__
+		_Unwind_Exception *nextCleanup;
+		int cleanupCount;
+#endif
+		int handlerSwitchValue;
+		const char *actionRecord;
+		const char *languageSpecificData;
+		void *catchTemp;
+		void *adjustedPtr;
+#ifndef __LP64__
+		void *primaryException;
+#endif
+		_Unwind_Exception unwindHeader;
+	};
+
+	struct __cxa_eh_globals
+	{
+		__cxa_exception *caughtExceptions;
+		unsigned int uncaughtExceptions;
+	};
+
+	enum ExceptionState
+	{
+		ES_None,
+		ES_Caught,
+		ES_Rethrown
+	};
+}
+
+struct ExceptionInfo
+{
+	std::terminate_handler terminateHandler;
+	std::unexpected_handler unexpectedHandler;
+	_Unwind_Exception *exceptionObject;
+	__cxxabiv1::ExceptionState state;
+	__cxxabiv1::__cxa_eh_globals globals;
+};
+
+ExceptionInfo *GetExceptionInfo();
+
+#endif // !__FENNIX_KERNEL_CXXABI_H__

Kernel/include/kexcept/unwind.h

@@ -0,0 +1,74 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#ifndef __FENNIX_KERNEL_UNWIND_H__
+#define __FENNIX_KERNEL_UNWIND_H__
+
+#include <types.h>
+
+typedef enum
+{
+	_URC_NO_REASON = 0,
+	_URC_FOREIGN_EXCEPTION_CAUGHT = 1,
+	_URC_FATAL_PHASE2_ERROR = 2,
+	_URC_FATAL_PHASE1_ERROR = 3,
+	_URC_NORMAL_STOP = 4,
+	_URC_END_OF_STACK = 5,
+	_URC_HANDLER_FOUND = 6,
+	_URC_INSTALL_CONTEXT = 7,
+	_URC_CONTINUE_UNWIND = 8
+} _Unwind_Reason_Code;
+
+typedef void *_Unwind_Context_Reg_Val;
+typedef unsigned _Unwind_Exception_Class __attribute__((__mode__(__DI__)));
+typedef unsigned _Unwind_Ptr __attribute__((__mode__(__pointer__)));
+typedef unsigned _Unwind_Word __attribute__((__mode__(__unwind_word__)));
+typedef signed _Unwind_Sword __attribute__((__mode__(__unwind_word__)));
+typedef int _Unwind_Action;
+
+#define _UA_SEARCH_PHASE 1
+#define _UA_CLEANUP_PHASE 2
+#define _UA_HANDLER_FRAME 4
+#define _UA_FORCE_UNWIND 8
+#define _UA_END_OF_STACK 16
+
+typedef void (*_Unwind_Exception_Cleanup_Fn)(_Unwind_Reason_Code, struct _Unwind_Exception *);
+
+typedef _Unwind_Reason_Code (*_Unwind_Personality_Fn)(int, _Unwind_Action,
+													  _Unwind_Exception_Class,
+													  struct _Unwind_Exception *,
+													  struct _Unwind_Context *);
+
+struct _Unwind_Exception
+{
+	_Unwind_Exception_Class exception_class;
+	_Unwind_Exception_Cleanup_Fn exception_cleanup;
+	_Unwind_Word private_1;
+	_Unwind_Word private_2;
+} __attribute__((__aligned__));
+
+struct _Unwind_Context
+{
+	int __stub;
+};
+
+struct _Unwind_FrameState
+{
+	_Unwind_Personality_Fn personality;
+};
+
+#endif // !__FENNIX_KERNEL_UNWIND_H__