/*
- * Copyright (c) 2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2004-2014 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
- *
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * @APPLE_OSREFERENCE_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. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * 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 OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
- *
- * @APPLE_LICENSE_HEADER_END@
+ * 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef _SYS_SYSENT_H_
-#define _SYS_SYSENT_H_
+#define _SYS_SYSENT_H_
#include <sys/appleapiopts.h>
#include <sys/cdefs.h>
-#ifdef __ppc__
-#include <sys/types.h>
-#endif
#ifdef KERNEL_PRIVATE
#ifdef __APPLE_API_PRIVATE
-typedef int32_t sy_call_t(struct proc *, void *, int *);
-typedef void sy_munge_t(const void *, void *);
+typedef int32_t sy_call_t(struct proc *, void *, int *);
+#if CONFIG_REQUIRES_U32_MUNGING
+typedef void sy_munge_t(void *);
+#elif __arm__ && (__BIGGEST_ALIGNMENT__ > 4)
+typedef int sy_munge_t(const void *, void *);
+#endif
+
+struct sysent { /* system call table */
+ sy_call_t *sy_call; /* implementing function */
+#if CONFIG_REQUIRES_U32_MUNGING || (__arm__ && (__BIGGEST_ALIGNMENT__ > 4))
+ sy_munge_t *sy_arg_munge32; /* system call arguments munger for 32-bit process */
+#endif
+ int32_t sy_return_type; /* system call return types */
+ int16_t sy_narg; /* number of args */
+ uint16_t sy_arg_bytes; /* Total size of arguments in bytes for
+ * 32-bit system calls
+ */
+};
-extern struct sysent { /* system call table */
- int16_t sy_narg; /* number of args */
- int8_t sy_cancel; /* funnel type */
- int8_t sy_funnel; /* funnel type */
- sy_call_t *sy_call; /* implementing function */
- sy_munge_t *sy_arg_munge32; /* system call aguments munger for 32-bit process */
- sy_munge_t *sy_arg_munge64; /* system call aguments munger for 64-bit process */
- int32_t sy_return_type; /* system call return types */
-} sysent[];
+#ifndef __INIT_SYSENT_C__
+extern struct sysent sysent[];
+#endif /* __INIT_SYSENT_C__ */
-/* sy_funnel flags bits */
-#define FUNNEL_MASK 0x00ff
-#define UNSAFE_64BIT 0x0100
+extern const unsigned int nsysent;
-/*
+/*
* Valid values for sy_cancel
*/
-#define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */
-#define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */
-#define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */
+#define _SYSCALL_CANCEL_NONE 0 /* Not a cancellation point */
+#define _SYSCALL_CANCEL_PRE 1 /* Canbe cancelled on entry itself */
+#define _SYSCALL_CANCEL_POST 2 /* Can only be cancelled after syscall is run */
/*
* Valid values for sy_return_type
*/
-#define _SYSCALL_RET_NONE 0
-#define _SYSCALL_RET_INT_T 1
-#define _SYSCALL_RET_UINT_T 2
-#define _SYSCALL_RET_OFF_T 3
-#define _SYSCALL_RET_ADDR_T 4
-#define _SYSCALL_RET_SIZE_T 5
-#define _SYSCALL_RET_SSIZE_T 6
-
-extern int nsysent;
+#define _SYSCALL_RET_NONE 0
+#define _SYSCALL_RET_INT_T 1
+#define _SYSCALL_RET_UINT_T 2
+#define _SYSCALL_RET_OFF_T 3
+#define _SYSCALL_RET_ADDR_T 4
+#define _SYSCALL_RET_SIZE_T 5
+#define _SYSCALL_RET_SSIZE_T 6
+#define _SYSCALL_RET_UINT64_T 7
#endif /* __APPLE_API_PRIVATE */
#endif /* KERNEL_PRIVATE */
projects / apple / xnu.git / blobdiff