xnu-1504.15.3.tar.gz

[apple/xnu.git] / bsd / sys / sysent.h

diff --git a/bsd/sys/sysent.h b/bsd/sys/sysent.h
index 464da1ec26222331e913e82c74bfaacf7115d446..b83a67c44d3549a02a8fd69d3b38e52debfd348b 100644 (file)
--- a/bsd/sys/sysent.h
+++ b/bsd/sys/sysent.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2004-2007 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * @APPLE_LICENSE_OSREFERENCE_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.
  * 
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 
 #ifndef _SYS_SYSENT_H_
@@ -43,19 +41,29 @@
 typedef        int32_t sy_call_t(struct proc *, void *, int *);
 typedef        void    sy_munge_t(const void *, void *);
 
-extern struct sysent {         /* system call table */
+struct sysent {                /* system call table */
        int16_t         sy_narg;        /* number of args */
-       int8_t          sy_cancel;      /* funnel type */
-       int8_t          sy_funnel;      /* funnel type */
+       int8_t          sy_resv;        /* reserved  */
+       int8_t          sy_flags;       /* flags */
        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 */
+       sy_munge_t      *sy_arg_munge32; /* system call arguments munger for 32-bit process */
+       sy_munge_t      *sy_arg_munge64; /* system call arguments munger for 64-bit process */
        int32_t         sy_return_type; /* system call return types */
-} sysent[];
+       uint16_t        sy_arg_bytes;   /* Total size of arguments in bytes for
+                                        * 32-bit system calls
+                                        */
+};
+
+#ifndef __INIT_SYSENT_C__
+extern struct sysent sysent[];
+#endif /* __INIT_SYSENT_C__ */
+
+extern int nsysent;
+#define NUM_SYSENT     434     /* Current number of defined syscalls */
 
 /* sy_funnel flags bits */
-#define FUNNEL_MASK    0x00ff
-#define        UNSAFE_64BIT    0x0100
+#define FUNNEL_MASK    0x07f
+#define        UNSAFE_64BIT    0x080
 
 /* 
  * Valid values for sy_cancel
@@ -74,8 +82,7 @@ extern struct sysent {                /* system call table */
 #define _SYSCALL_RET_ADDR_T            4       
 #define _SYSCALL_RET_SIZE_T            5       
 #define _SYSCALL_RET_SSIZE_T   6       
-
-extern int nsysent;
+#define _SYSCALL_RET_UINT64_T  7
 
 #endif /* __APPLE_API_PRIVATE */
 #endif /* KERNEL_PRIVATE */