/*
* Copyright (c) 2011-2013 Apple 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@
*/
#ifdef __arm64__
#include "../custom/SYS.h"
#include <mach/arm64/asm.h>
/*
* Stubs are to handle the ARM64 ABI for variadic functions'
* not matching the ABI used by the system call handler.
*/
/*
* sem_t* sem_open(const char *name, int oflag, ...);
* sem_t* __sem_open(const char *name, int oflag, int mode, int value);
*/
MI_ENTRY_POINT(_sem_open)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldp x2, x3, [fp, #16]
#else
ldp w2, w3, [fp, #16]
#endif
MI_CALL_EXTERNAL(___sem_open)
#if !__LP64__
/* xnu returns a 64-bit '-1' on failure, but pointers must have the high
* 32-bits set to zero. The following instruction is equivalent to
* masking off the top 32-bits.
*/
mov w0, w0
#endif
POP_FRAME
ARM64_STACK_EPILOG
/*
* int shm_open(const char *, int, ...);
* int __shm_open(const char*, int oflag, int mode);
*/
MI_ENTRY_POINT(_shm_open)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldr x2, [fp, #16]
#else
ldr w2, [fp, #16]
#endif
MI_CALL_EXTERNAL(___shm_open)
POP_FRAME
ARM64_STACK_EPILOG
/*
* int msgsys(int, ...);
* int __msgsys(int which, int a2, int a3, int a4, int a5);
*/
MI_ENTRY_POINT(_msgsys)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldp x1, x2, [fp, #16]
ldp x3, x4, [fp, #32]
#else
ldp w1, w2, [fp, #16]
ldp w3, w4, [fp, #24]
#endif
MI_CALL_EXTERNAL(___msgsys)
POP_FRAME
/*
* int semsys(int, ...);
* int __semsys(int which, int a2, int a3, int a4, int a5);
*/
MI_ENTRY_POINT(_semsys)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldp x1, x2, [fp, #16]
ldp x3, x4, [fp, #32]
#else
ldp w1, w2, [fp, #16]
ldp w3, w4, [fp, #24]
#endif
MI_CALL_EXTERNAL(___semsys)
POP_FRAME
ARM64_STACK_EPILOG
/*
* int semctl(int, int, int, ...);
* int __semctl(int semid, int semnum, int cmd, semun_t arg);
*/
MI_ENTRY_POINT(_semctl)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldr x3, [fp, #16]
#else
ldr w3, [fp, #16]
#endif
MI_CALL_EXTERNAL(___semctl)
POP_FRAME
ARM64_STACK_EPILOG
/*
* int shmsys(int, ...);
* int __shmsys(int which, int a2, int a3, int a4);
*/
MI_ENTRY_POINT(_shmsys)
ARM64_STACK_PROLOG
PUSH_FRAME
#if __LP64__
ldp x1, x2, [fp, #16]
ldr x3, [fp, #32]
#else
ldp w1, w2, [fp, #16]
ldr w3, [fp, #24]
#endif
MI_CALL_EXTERNAL(___shmsys)
POP_FRAME
ARM64_STACK_EPILOG
#endif /* defined(__arm64__) */