/* Copyright (c) 2019-2024 Griefer@Work                                       *
 *                                                                            *
 * This software is provided 'as-is', without any express or implied          *
 * warranty. In no event will the authors be held liable for any damages      *
 * arising from the use of this software.                                     *
 *                                                                            *
 * Permission is granted to anyone to use this software for any purpose,      *
 * including commercial applications, and to alter it and redistribute it     *
 * freely, subject to the following restrictions:                             *
 *                                                                            *
 * 1. The origin of this software must not be misrepresented; you must not    *
 *    claim that you wrote the original software. If you use this software    *
 *    in a product, an acknowledgement (see the following) in the product     *
 *    documentation is required:                                              *
 *    Portions Copyright (c) 2019-2024 Griefer@Work                           *
 * 2. Altered source versions must be plainly marked as such, and must not be *
 *    misrepresented as being the original software.                          *
 * 3. This notice may not be removed or altered from any source distribution. *
 */
#ifndef _ARM_KOS_KOS_BITS_EXCEPT_HANDLER_H
#define _ARM_KOS_KOS_BITS_EXCEPT_HANDLER_H 1

#include <__stdinc.h>

/* ARM kos-specific user-space exception handler calling convention:
 *
 * On ARM, user-space exception handlers are called the same way as
 * regular functions are called:
 * - r0: struct ucpustate *state        (hint: `kcpustate <=> ucpustate' on ARM!)
 * - r1: struct exception_data *error
 */
#ifdef __CC__
__DECL_BEGIN

struct ucpustate;
struct exception_data;
#define __EXCEPT_HANDLER_CC /* nothing */
typedef /*__ATTR_NORETURN*/ void
(*__except_handler_t)(struct ucpustate *__restrict state,
                      struct exception_data *__restrict error);

__DECL_END
#endif /* !__CC__ */

#endif /* !_ARM_KOS_KOS_BITS_EXCEPT_HANDLER_H */
