1*e3723e1fSApple OSS Distributions/* 2*e3723e1fSApple OSS Distributions * Copyright (c) 2011-2013 Apple Inc. All rights reserved. 3*e3723e1fSApple OSS Distributions * 4*e3723e1fSApple OSS Distributions * @APPLE_LICENSE_HEADER_START@ 5*e3723e1fSApple OSS Distributions * 6*e3723e1fSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*e3723e1fSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*e3723e1fSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*e3723e1fSApple OSS Distributions * compliance with the License. Please obtain a copy of the License at 10*e3723e1fSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this 11*e3723e1fSApple OSS Distributions * file. 12*e3723e1fSApple OSS Distributions * 13*e3723e1fSApple OSS Distributions * The Original Code and all software distributed under the License are 14*e3723e1fSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 15*e3723e1fSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 16*e3723e1fSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 17*e3723e1fSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 18*e3723e1fSApple OSS Distributions * Please see the License for the specific language governing rights and 19*e3723e1fSApple OSS Distributions * limitations under the License. 20*e3723e1fSApple OSS Distributions * 21*e3723e1fSApple OSS Distributions * @APPLE_LICENSE_HEADER_END@ 22*e3723e1fSApple OSS Distributions */ 23*e3723e1fSApple OSS Distributions 24*e3723e1fSApple OSS Distributions#ifdef __arm64__ 25*e3723e1fSApple OSS Distributions 26*e3723e1fSApple OSS Distributions#include "../custom/SYS.h" 27*e3723e1fSApple OSS Distributions#include <mach/arm64/asm.h> 28*e3723e1fSApple OSS Distributions 29*e3723e1fSApple OSS Distributions/* 30*e3723e1fSApple OSS Distributions * Stubs are to handle the ARM64 ABI for variadic functions' 31*e3723e1fSApple OSS Distributions * not matching the ABI used by the system call handler. 32*e3723e1fSApple OSS Distributions */ 33*e3723e1fSApple OSS Distributions 34*e3723e1fSApple OSS Distributions/* 35*e3723e1fSApple OSS Distributions * sem_t* sem_open(const char *name, int oflag, ...); 36*e3723e1fSApple OSS Distributions * sem_t* __sem_open(const char *name, int oflag, int mode, int value); 37*e3723e1fSApple OSS Distributions */ 38*e3723e1fSApple OSS DistributionsMI_ENTRY_POINT(_sem_open) 39*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 40*e3723e1fSApple OSS Distributions PUSH_FRAME 41*e3723e1fSApple OSS Distributions#if __LP64__ 42*e3723e1fSApple OSS Distributions ldp x2, x3, [fp, #16] 43*e3723e1fSApple OSS Distributions#else 44*e3723e1fSApple OSS Distributions ldp w2, w3, [fp, #16] 45*e3723e1fSApple OSS Distributions#endif 46*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___sem_open) 47*e3723e1fSApple OSS Distributions#if !__LP64__ 48*e3723e1fSApple OSS Distributions /* xnu returns a 64-bit '-1' on failure, but pointers must have the high 49*e3723e1fSApple OSS Distributions * 32-bits set to zero. The following instruction is equivalent to 50*e3723e1fSApple OSS Distributions * masking off the top 32-bits. 51*e3723e1fSApple OSS Distributions */ 52*e3723e1fSApple OSS Distributions mov w0, w0 53*e3723e1fSApple OSS Distributions#endif 54*e3723e1fSApple OSS Distributions POP_FRAME 55*e3723e1fSApple OSS Distributions ARM64_STACK_EPILOG 56*e3723e1fSApple OSS Distributions 57*e3723e1fSApple OSS Distributions/* 58*e3723e1fSApple OSS Distributions * int shm_open(const char *, int, ...); 59*e3723e1fSApple OSS Distributions * int __shm_open(const char*, int oflag, int mode); 60*e3723e1fSApple OSS Distributions */ 61*e3723e1fSApple OSS DistributionsMI_ENTRY_POINT(_shm_open) 62*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 63*e3723e1fSApple OSS Distributions PUSH_FRAME 64*e3723e1fSApple OSS Distributions#if __LP64__ 65*e3723e1fSApple OSS Distributions ldr x2, [fp, #16] 66*e3723e1fSApple OSS Distributions#else 67*e3723e1fSApple OSS Distributions ldr w2, [fp, #16] 68*e3723e1fSApple OSS Distributions#endif 69*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___shm_open) 70*e3723e1fSApple OSS Distributions POP_FRAME 71*e3723e1fSApple OSS Distributions ARM64_STACK_EPILOG 72*e3723e1fSApple OSS Distributions 73*e3723e1fSApple OSS Distributions/* 74*e3723e1fSApple OSS Distributions * int msgsys(int, ...); 75*e3723e1fSApple OSS Distributions * int __msgsys(int which, int a2, int a3, int a4, int a5); 76*e3723e1fSApple OSS Distributions */ 77*e3723e1fSApple OSS DistributionsMI_ENTRY_POINT(_msgsys) 78*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 79*e3723e1fSApple OSS Distributions PUSH_FRAME 80*e3723e1fSApple OSS Distributions#if __LP64__ 81*e3723e1fSApple OSS Distributions ldp x1, x2, [fp, #16] 82*e3723e1fSApple OSS Distributions ldp x3, x4, [fp, #32] 83*e3723e1fSApple OSS Distributions#else 84*e3723e1fSApple OSS Distributions ldp w1, w2, [fp, #16] 85*e3723e1fSApple OSS Distributions ldp w3, w4, [fp, #24] 86*e3723e1fSApple OSS Distributions#endif 87*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___msgsys) 88*e3723e1fSApple OSS Distributions POP_FRAME 89*e3723e1fSApple OSS Distributions 90*e3723e1fSApple OSS Distributions/* 91*e3723e1fSApple OSS Distributions * int semsys(int, ...); 92*e3723e1fSApple OSS Distributions * int __semsys(int which, int a2, int a3, int a4, int a5); 93*e3723e1fSApple OSS Distributions */ 94*e3723e1fSApple OSS DistributionsMI_ENTRY_POINT(_semsys) 95*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 96*e3723e1fSApple OSS Distributions PUSH_FRAME 97*e3723e1fSApple OSS Distributions#if __LP64__ 98*e3723e1fSApple OSS Distributions ldp x1, x2, [fp, #16] 99*e3723e1fSApple OSS Distributions ldp x3, x4, [fp, #32] 100*e3723e1fSApple OSS Distributions#else 101*e3723e1fSApple OSS Distributions ldp w1, w2, [fp, #16] 102*e3723e1fSApple OSS Distributions ldp w3, w4, [fp, #24] 103*e3723e1fSApple OSS Distributions#endif 104*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___semsys) 105*e3723e1fSApple OSS Distributions POP_FRAME 106*e3723e1fSApple OSS Distributions ARM64_STACK_EPILOG 107*e3723e1fSApple OSS Distributions 108*e3723e1fSApple OSS Distributions/* 109*e3723e1fSApple OSS Distributions * int semctl(int, int, int, ...); 110*e3723e1fSApple OSS Distributions * int __semctl(int semid, int semnum, int cmd, semun_t arg); 111*e3723e1fSApple OSS Distributions */ 112*e3723e1fSApple OSS Distributions MI_ENTRY_POINT(_semctl) 113*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 114*e3723e1fSApple OSS Distributions PUSH_FRAME 115*e3723e1fSApple OSS Distributions#if __LP64__ 116*e3723e1fSApple OSS Distributions ldr x3, [fp, #16] 117*e3723e1fSApple OSS Distributions#else 118*e3723e1fSApple OSS Distributions ldr w3, [fp, #16] 119*e3723e1fSApple OSS Distributions#endif 120*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___semctl) 121*e3723e1fSApple OSS Distributions POP_FRAME 122*e3723e1fSApple OSS Distributions ARM64_STACK_EPILOG 123*e3723e1fSApple OSS Distributions 124*e3723e1fSApple OSS Distributions/* 125*e3723e1fSApple OSS Distributions * int shmsys(int, ...); 126*e3723e1fSApple OSS Distributions * int __shmsys(int which, int a2, int a3, int a4); 127*e3723e1fSApple OSS Distributions */ 128*e3723e1fSApple OSS Distributions MI_ENTRY_POINT(_shmsys) 129*e3723e1fSApple OSS Distributions ARM64_STACK_PROLOG 130*e3723e1fSApple OSS Distributions PUSH_FRAME 131*e3723e1fSApple OSS Distributions#if __LP64__ 132*e3723e1fSApple OSS Distributions ldp x1, x2, [fp, #16] 133*e3723e1fSApple OSS Distributions ldr x3, [fp, #32] 134*e3723e1fSApple OSS Distributions#else 135*e3723e1fSApple OSS Distributions ldp w1, w2, [fp, #16] 136*e3723e1fSApple OSS Distributions ldr w3, [fp, #24] 137*e3723e1fSApple OSS Distributions#endif 138*e3723e1fSApple OSS Distributions MI_CALL_EXTERNAL(___shmsys) 139*e3723e1fSApple OSS Distributions POP_FRAME 140*e3723e1fSApple OSS Distributions ARM64_STACK_EPILOG 141*e3723e1fSApple OSS Distributions 142*e3723e1fSApple OSS Distributions#endif /* defined(__arm64__) */ 143