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Annotation of kernel/mach/i386/syscall_sw.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: #ifdef KERNEL_PRIVATE
        !            26: 
        !            27: #ifndef        _MACH_I386_SYSCALL_SW_H_
        !            28: #define _MACH_I386_SYSCALL_SW_H_
        !            29: 
        !            30: #include <architecture/i386/asm_help.h>
        !            31: 
        !            32: /*
        !            33:  * These defines are for future use (if we want to change the system call
        !            34:  * argument passing conventions).
        !            35:  */
        !            36: #define kernel_trap_args_0     ;
        !            37: #define kernel_trap_args_1
        !            38: #define kernel_trap_args_2
        !            39: #define kernel_trap_args_3
        !            40: #define kernel_trap_args_4
        !            41: #define kernel_trap_args_5
        !            42: #define kernel_trap_args_6
        !            43: #define kernel_trap_args_7
        !            44: #define kernel_trap_args_9
        !            45: #define kernel_trap_args_9
        !            46: 
        !            47: #define save_registers_0
        !            48: #define save_registers_1
        !            49: #define save_registers_2
        !            50: #define save_registers_3
        !            51: #define save_registers_4
        !            52: #define save_registers_5
        !            53: #define save_registers_6
        !            54: #define save_registers_7
        !            55: #define save_registers_8
        !            56: #define save_registers_9
        !            57: 
        !            58: #define restore_registers_0
        !            59: #define restore_registers_1
        !            60: #define restore_registers_2
        !            61: #define restore_registers_3
        !            62: #define restore_registers_4
        !            63: #define restore_registers_5
        !            64: #define restore_registers_6
        !            65: #define restore_registers_7
        !            66: #define restore_registers_8
        !            67: #define restore_registers_9
        !            68: 
        !            69: #define MACHCALLSEL    0x33
        !            70: 
        !            71: #define kernel_trap(trap_name, trap_number, number_args)       \
        !            72: LEAF(_##trap_name, 0)                                          ;\
        !            73:        save_registers_##number_args                            ;\
        !            74:        kernel_trap_args_##number_args                          ;\
        !            75:        movl    $##trap_number, %eax                            ;\
        !            76:        lcall   $##MACHCALLSEL, $0                              ;\
        !            77:        restore_registers_##number_args                         ;\
        !            78: END(_##trap_name)
        !            79: 
        !            80: 
        !            81: #endif /* _MACH_I386_SYSCALL_SW_H_ */
        !            82: 
        !            83: #endif /* KERNEL_PRIVATE */

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