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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 | /* * Copyright (c) 1999-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. * * File: SYS.h * * Definition of the user side of the UNIX system call interface * for M98K. * * Errors are flagged by the location of the trap return (ie., which * instruction is executed upon rfi): * * SC PC + 4: Error (typically branch to cerror()) * SC PC + 8: Success * * HISTORY * 18-Nov-92 Ben Fathi (benf@next.com) * Ported to m98k. * * 9-Jan-92 Peter King (king@next.com) * Created. */ /* * Header files. */ #include <architecture/ppc/mode_independent_asm.h> #import <sys/syscall.h> /* From rhapsody kernel mach/ppc/syscall_sw.h */ #define kernel_trap_args_0 #define kernel_trap_args_1 #define kernel_trap_args_2 #define kernel_trap_args_3 #define kernel_trap_args_4 #define kernel_trap_args_5 #define kernel_trap_args_6 #define kernel_trap_args_7 /* * simple_kernel_trap -- Mach system calls with 8 or less args * Args are passed in a0 - a7, system call number in r0. * Do a "sc" instruction to enter kernel. */ #define simple_kernel_trap(trap_name, trap_number) \ .globl _##trap_name @\ _##trap_name: @\ li r0,trap_number @\ sc @\ blr #define kernel_trap_0(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_1(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_2(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_3(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_4(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_5(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_6(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_7(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_8(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) #define kernel_trap_9(trap_name,trap_number) \ simple_kernel_trap(trap_name,trap_number) /* End of rhapsody kernel mach/ppc/syscall_sw.h */ /* * Macros. */ /* * This is the same as SYSCALL, but it can call an alternate error * return function. It's generic to support potential future callers. */ #define SYSCALL_ERR(name, nargs, error_ret) \ .globl error_ret @\ MI_ENTRY_POINT(_##name) @\ kernel_trap_args_##nargs @\ li r0,SYS_##name @\ sc @\ b 1f @\ blr @\ 1: MI_BRANCH_EXTERNAL(error_ret) #define SYSCALL(name, nargs) \ .globl cerror @\ MI_ENTRY_POINT(_##name) @\ kernel_trap_args_##nargs @\ li r0,SYS_##name @\ sc @\ b 1f @\ blr @\ 1: MI_BRANCH_EXTERNAL(cerror) #define SYSCALL_NONAME(name, nargs) \ .globl cerror @\ kernel_trap_args_##nargs @\ li r0,SYS_##name @\ sc @\ b 1f @\ b 2f @\ 1: MI_BRANCH_EXTERNAL(cerror) @\ 2: #define PSEUDO(pseudo, name, nargs) \ .globl _##pseudo @\ .text @\ .align 2 @\ _##pseudo: @\ SYSCALL_NONAME(name, nargs) #undef END #import <mach/ppc/syscall_sw.h> #if !defined(SYS___pthread_canceled) #define SYS___pthread_markcancel 332 #define SYS___pthread_canceled 333 #define SYS___semwait_signal 334 #endif |