X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..94ff46dc2849db4d43eaaf144872decc522aafb4:/bsd/sys/sysent.h

diff --git a/bsd/sys/sysent.h b/bsd/sys/sysent.h
index b8d73190d..b68b3cded 100644
--- a/bsd/sys/sysent.h
+++ b/bsd/sys/sysent.h
@@ -1,73 +1,83 @@
 /*
- * 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 */