xnu-792.25.20.tar.gz

[apple/xnu.git] / bsd / i386 / types.h

diff --git a/bsd/i386/types.h b/bsd/i386/types.h
index ab1c10837b68977b0a875e4a81d67c5fbc55936b..d3841bcce4ed4a03abe218b6e7aba428712c5880 100644 (file)
--- a/bsd/i386/types.h
+++ b/bsd/i386/types.h
@@ -88,7 +88,11 @@ typedef      long long               int64_t;
 #endif
 typedef        unsigned long long      u_int64_t;
 
+#if __LP64__
+typedef int64_t                        register_t;
+#else
 typedef int32_t                        register_t;
+#endif
 
 #ifndef _INTPTR_T
 #define _INTPTR_T
@@ -102,14 +106,17 @@ typedef unsigned long int uintptr_t;
 /* These types are used for  reserving the largest possible size. */
 // LP64todo - typedef mach_vm_address_t        user_addr_t;    /* varying length pointers from user space */ 
 // LP64todo - typedef mach_vm_size_t           user_size_t;    /* varying length values from user space (unsigned) */
-typedef u_int32_t              user_addr_t;    
-typedef u_int32_t              user_size_t;    
-typedef int32_t                        user_ssize_t;
-typedef int32_t                        user_long_t;
-typedef u_int32_t              user_ulong_t;
-typedef int32_t                        user_time_t;
+typedef u_int64_t              user_addr_t;    
+typedef u_int64_t              user_size_t;    
+typedef int64_t                        user_ssize_t;
+typedef int64_t                        user_long_t;
+typedef u_int64_t              user_ulong_t;
+typedef int64_t                        user_time_t;
 #define USER_ADDR_NULL ((user_addr_t) 0)
-#define CAST_USER_ADDR_T(a_ptr)   ((user_addr_t)(a_ptr))
+#define CAST_USER_ADDR_T(a_ptr)   ((user_addr_t)((uintptr_t)(a_ptr)))
+
+/* This defines the size of syscall arguments after copying into the kernel: */
+typedef u_int64_t              syscall_arg_t;
 
 #ifndef __offsetof
 #define __offsetof(type, field) ((size_t)(&((type *)0)->field))