X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/0b4e3aa066abc0728aacb4bbeb86f53f9737156e..3a60a9f5b85abb8c2cf24e1926c5c7b3f608a5e2:/osfmk/mach/mig.h

diff --git a/osfmk/mach/mig.h b/osfmk/mach/mig.h
index 8bc149230..ad6cc4aa2 100644
--- a/osfmk/mach/mig.h
+++ b/osfmk/mach/mig.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -30,9 +30,35 @@
 #ifndef	_MACH_MIG_H_
 #define _MACH_MIG_H_
 
+#include <stdint.h>
 #include <mach/port.h>
 #include <mach/message.h>
-#include <mach/kern_return.h>
+#include <mach/vm_types.h>
+
+#include <sys/cdefs.h>
+
+#if defined(MACH_KERNEL)
+
+/* Turn MIG type checking on by default for kernel */
+#define __MigTypeCheck 1
+#define __MigKernelSpecificCode 1
+#define _MIG_KERNEL_SPECIFIC_CODE_ 1
+
+/* Otherwise check legacy setting (temporary) */
+#elif defined(TypeCheck)  
+
+#define __MigTypeCheck TypeCheck
+ 
+#endif /* defined(TypeCheck) */
+
+/*
+ * Pack MIG message structs if we have Power alignment of structs.
+ * This is an indicator of the need to view shared structs in a
+ * binary-compatible format - and MIG message structs are no different.
+ */
+#if __DARWIN_ALIGN_POWER
+#define __MigPackStructs 1
+#endif
 
 /*
  * Definition for MIG-generated server stub routines.  These routines
@@ -58,22 +84,56 @@ typedef mig_routine_t (*mig_server_routine_t) (mach_msg_header_t *InHeadP);
  */
 typedef kern_return_t   (*mig_impl_routine_t)(void);
 
-typedef struct mig_routine_descriptor {
-	mig_stub_routine_t	 stub_routine;	/* Unmarshalling function   */
-	mach_msg_size_t		 max_reply_msg; /* Max size for this reply  */
-} mig_routine_descriptor;
-typedef mig_routine_descriptor  *mig_routine_descriptor_t;
+typedef mach_msg_type_descriptor_t routine_arg_descriptor;
+typedef mach_msg_type_descriptor_t *routine_arg_descriptor_t;
+typedef mach_msg_type_descriptor_t *mig_routine_arg_descriptor_t;
+
+#define MIG_ROUTINE_ARG_DESCRIPTOR_NULL ((mig_routine_arg_descriptor_t)0)
+
+struct routine_descriptor {
+	mig_impl_routine_t	impl_routine;	/* Server work func pointer   */
+	mig_stub_routine_t	stub_routine;	/* Unmarshalling func pointer */
+	unsigned int		argc;			/* Number of argument words   */
+	unsigned int		descr_count;	/* Number complex descriptors */
+	routine_arg_descriptor_t
+						arg_descr;		/* pointer to descriptor array*/
+	unsigned int		max_reply_msg;	/* Max size for reply msg     */
+};
+typedef struct routine_descriptor *routine_descriptor_t;
+
+typedef struct routine_descriptor mig_routine_descriptor;
+typedef mig_routine_descriptor *mig_routine_descriptor_t;
+
+#define MIG_ROUTINE_DESCRIPTOR_NULL ((mig_routine_descriptor_t)0)
 
 typedef struct mig_subsystem {
-	mig_server_routine_t	 server;	/* server routine	    */
-	mach_msg_id_t		 start;		/* Min routine number	    */
-	mach_msg_id_t		 end;		/* Max routine number + 1   */
-	mach_msg_size_t		 max_reply;	/* Max reply message size   */
-	mach_msg_size_t		 max_request;	/* Max request msg size     */
-	mig_routine_descriptor   routine[1];	/* Routine descriptor array */
+	mig_server_routine_t server;		/* pointer to demux routine	*/
+	mach_msg_id_t		 start;			/* Min routine number	    */
+	mach_msg_id_t		 end;			/* Max routine number + 1   */
+	mach_msg_size_t		 maxsize;		/* Max reply message size   */
+	vm_address_t		 reserved;		/* reserved for MIG use	    */
+	mig_routine_descriptor
+						 routine[1];	/* Routine descriptor array */
 } *mig_subsystem_t;
 
-#ifdef	KERNEL_PRIVATE
+#define MIG_SUBSYSTEM_NULL		((mig_subsystem_t)0)
+
+typedef struct mig_symtab {
+	char				*ms_routine_name;
+	int					ms_routine_number;
+	void    			(*ms_routine)(void);	/* Since the functions in the
+					 							 * symbol table have unknown
+												 * signatures, this is the best
+					 							 * we can do...
+					 							 */
+} mig_symtab_t;
+
+#ifdef	PRIVATE
+
+/* MIG object runtime - not ready for public consumption */
+
+#ifdef  KERNEL_PRIVATE
+
 /*
  * MIG object runtime definitions
  *
@@ -92,7 +152,7 @@ typedef struct mig_subsystem {
  * Coming soon:
  *	- User-level support
  */
-typedef unsigned int 				mig_notify_type_t;
+typedef unsigned int 			mig_notify_type_t;
 
 typedef struct MIGIID {
 	unsigned long				data1;
@@ -105,11 +165,11 @@ typedef struct IMIGObjectVtbl			IMIGObjectVtbl;
 typedef struct IMIGNotifyObjectVtbl		IMIGNotifyObjectVtbl;
 
 typedef struct IMIGObject {
-	IMIGObjectVtbl				*pVtbl;
+	const IMIGObjectVtbl			*pVtbl;
 } IMIGObject;
 
 typedef struct IMIGNotifyObject {
-	IMIGNotifyObjectVtbl			*pVtbl;
+	const IMIGNotifyObjectVtbl		*pVtbl;
 } IMIGNotifyObject;
 
 struct IMIGObjectVtbl {
@@ -185,6 +245,41 @@ struct IMIGNotifyObjectVtbl {
 			mig_notify_type_t	notify_type);
 };
 
+#endif	/* KERNEL_PRIVATE */
+#endif  /* PRIVATE */
+
+__BEGIN_DECLS
+
+/* Client side reply port allocate */
+extern mach_port_t mig_get_reply_port(void);
+
+/* Client side reply port deallocate */
+extern void mig_dealloc_reply_port(mach_port_t reply_port);
+
+/* Client side reply port "deallocation" */
+extern void mig_put_reply_port(mach_port_t reply_port);
+
+/* Bounded string copy */
+extern int mig_strncpy(char	*dest, const char *src,	int	len);
+
+#ifdef KERNEL_PRIVATE
+
+/* Allocate memory for out-of-stack mig structures */
+extern char *mig_user_allocate(vm_size_t size);
+
+/* Deallocate memory used for out-of-stack mig structures */
+extern void mig_user_deallocate(char *data, vm_size_t size);
+
+#else
+
+/* Allocate memory for out-of-line mig structures */
+extern void mig_allocate(vm_address_t *, vm_size_t);
+
+/* Deallocate memory used for out-of-line mig structures */
+extern void mig_deallocate(vm_address_t, vm_size_t);
+
 #endif /* KERNEL_PRIVATE */
 
-#endif /* _MACH_MIG_H_ */
+__END_DECLS
+
+#endif	/* _MACH_MIG_H_ */