1*0f4c859eSApple OSS Distributions/* 2*0f4c859eSApple OSS Distributions * Copyright (c) 1999-2007 Apple Inc. All rights reserved. 3*0f4c859eSApple OSS Distributions * 4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*0f4c859eSApple OSS Distributions * 6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*0f4c859eSApple OSS Distributions * 15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at 16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*0f4c859eSApple OSS Distributions * 18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*0f4c859eSApple OSS Distributions * limitations under the License. 25*0f4c859eSApple OSS Distributions * 26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*0f4c859eSApple OSS Distributions */ 28*0f4c859eSApple OSS Distributions/* Copyright (c) 1992 NeXT Computer, Inc. All rights reserved. */ 29*0f4c859eSApple OSS Distributions 30*0f4c859eSApple OSS Distributions#include "SYS.h" 31*0f4c859eSApple OSS Distributions 32*0f4c859eSApple OSS Distributions#if defined(__i386__) 33*0f4c859eSApple OSS Distributions 34*0f4c859eSApple OSS DistributionsLEAF(___syscall, 0) 35*0f4c859eSApple OSS Distributions popl %ecx // ret addr 36*0f4c859eSApple OSS Distributions popl %eax // syscall number 37*0f4c859eSApple OSS Distributions pushl %ecx 38*0f4c859eSApple OSS Distributions UNIX_SYSCALL_TRAP 39*0f4c859eSApple OSS Distributions movl (%esp),%edx // add one element to stack so 40*0f4c859eSApple OSS Distributions pushl %ecx // caller "pop" will work 41*0f4c859eSApple OSS Distributions jnb 2f 42*0f4c859eSApple OSS Distributions BRANCH_EXTERN(tramp_cerror) 43*0f4c859eSApple OSS Distributions2: 44*0f4c859eSApple OSS DistributionsEND(___syscall) 45*0f4c859eSApple OSS Distributions 46*0f4c859eSApple OSS Distributions#elif defined(__x86_64__) 47*0f4c859eSApple OSS Distributions 48*0f4c859eSApple OSS Distributions// For x86-64, the kernel slides the argument list for us. 49*0f4c859eSApple OSS Distributions// The number of arguments here is variable, but our macros ignore 50*0f4c859eSApple OSS Distributions// that value anyway. 51*0f4c859eSApple OSS Distributions__SYSCALL(___syscall, syscall, 0); 52*0f4c859eSApple OSS Distributions 53*0f4c859eSApple OSS Distributions#elif defined(__arm__) 54*0f4c859eSApple OSS Distributions 55*0f4c859eSApple OSS Distributions__SYSCALL(___syscall, syscall, 7) 56*0f4c859eSApple OSS Distributions 57*0f4c859eSApple OSS Distributions#elif defined(__arm64__) 58*0f4c859eSApple OSS Distributions 59*0f4c859eSApple OSS Distributions/* 60*0f4c859eSApple OSS Distributions * Ignore nominal number of arguments: just pop from stack and let the kernel 61*0f4c859eSApple OSS Distributions * interpret. 62*0f4c859eSApple OSS Distributions */ 63*0f4c859eSApple OSS Distributions#include <mach/arm64/asm.h> 64*0f4c859eSApple OSS DistributionsMI_ENTRY_POINT(___syscall) 65*0f4c859eSApple OSS Distributions ldp x1, x2, [sp] 66*0f4c859eSApple OSS Distributions ldp x3, x4, [sp, #16] 67*0f4c859eSApple OSS Distributions ldp x5, x6, [sp, #32] 68*0f4c859eSApple OSS Distributions ldr x7, [sp, #48] 69*0f4c859eSApple OSS Distributions DO_SYSCALL(SYS_syscall, cerror) 70*0f4c859eSApple OSS Distributions ret 71*0f4c859eSApple OSS Distributions#else 72*0f4c859eSApple OSS Distributions#error Unsupported architecture 73*0f4c859eSApple OSS Distributions#endif 74