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Annotation of kernel/mach/i386/syscall_sw.h, revision 1.1.1.1

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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