/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, 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@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and ditribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
/*
*/
-
+#include <mach/mach_types.h>
#include <mach/error.h>
#include <mach/vm_param.h>
#include <mach/boolean.h>
+#include <mach/task.h>
+
+#include <kern/kern_types.h>
#include <kern/misc_protos.h>
-#include <kern/syscall_emulation.h>
#include <kern/task.h>
#include <kern/kalloc.h>
+
+#include <vm/vm_map.h>
#include <vm/vm_kern.h>
-#include <machine/thread.h> /* for syscall_emulation_sync */
/*
* Exported interface
*/
-/*
- * WARNING:
- * This code knows that kalloc() allocates memory most efficiently
- * in sizes that are powers of 2, and asks for those sizes.
- */
-
-/*
- * Go from number of entries to size of struct eml_dispatch and back.
- */
-#define base_size (sizeof(struct eml_dispatch) - sizeof(eml_routine_t))
-#define count_to_size(count) \
- (base_size + sizeof(vm_offset_t) * (count))
-
-#define size_to_count(size) \
- ( ((size) - base_size) / sizeof(vm_offset_t) )
-
-/* Forwards */
-kern_return_t
-task_set_emulation_vector_internal(
- task_t task,
- int vector_start,
- emulation_vector_t emulation_vector,
- mach_msg_type_number_t emulation_vector_count);
-
-/*
- * eml_init: initialize user space emulation code
- */
-void
-eml_init(void)
-{
-}
-
-/*
- * eml_task_reference() [Exported]
- *
- * Bumps the reference count on the common emulation
- * vector.
- */
-
-void
-eml_task_reference(
- task_t task,
- task_t parent)
-{
- register eml_dispatch_t eml;
-
- if (parent == TASK_NULL)
- eml = EML_DISPATCH_NULL;
- else
- eml = parent->eml_dispatch;
-
- if (eml != EML_DISPATCH_NULL) {
- mutex_lock(&eml->lock);
- eml->ref_count++;
- mutex_unlock(&eml->lock);
- }
- task->eml_dispatch = eml;
-}
-
-
-/*
- * eml_task_deallocate() [Exported]
- *
- * Cleans up after the emulation code when a process exits.
- */
-
-void
-eml_task_deallocate(
- task_t task)
-{
- register eml_dispatch_t eml;
-
- eml = task->eml_dispatch;
- if (eml != EML_DISPATCH_NULL) {
- int count;
-
- mutex_lock(&eml->lock);
- count = --eml->ref_count;
- mutex_unlock(&eml->lock);
-
- if (count == 0)
- kfree((vm_offset_t)eml, count_to_size(eml->disp_count));
-
- task->eml_dispatch = EML_DISPATCH_NULL;
- }
-}
-
-/*
- * task_set_emulation_vector: [Server Entry]
- * set a list of emulated system calls for this task.
- */
-kern_return_t
-task_set_emulation_vector_internal(
- task_t task,
- int vector_start,
- emulation_vector_t emulation_vector,
- mach_msg_type_number_t emulation_vector_count)
-{
- return KERN_NOT_SUPPORTED;
-}
-
/*
* task_set_emulation_vector: [Server Entry]
*
*/
kern_return_t
task_set_emulation_vector(
- task_t task,
- int vector_start,
- emulation_vector_t emulation_vector,
- mach_msg_type_number_t emulation_vector_count)
+ __unused task_t task,
+ __unused int vector_start,
+ __unused emulation_vector_t emulation_vector,
+ __unused mach_msg_type_number_t emulation_vector_count)
{
return KERN_NOT_SUPPORTED;
}
*/
kern_return_t
task_get_emulation_vector(
- task_t task,
- int *vector_start, /* out */
- emulation_vector_t *emulation_vector, /* out */
- mach_msg_type_number_t *emulation_vector_count) /* out */
+ __unused task_t task,
+ __unused int *vector_start, /* out */
+ __unused emulation_vector_t *emulation_vector, /* out */
+ __unused mach_msg_type_number_t *emulation_vector_count)/* out */
{
return KERN_NOT_SUPPORTED;
}
*/
kern_return_t
task_set_emulation(
- task_t task,
- vm_offset_t routine_entry_pt,
- int routine_number)
+ __unused task_t task,
+ __unused vm_offset_t routine_entry_pt,
+ __unused int routine_number)
{
return KERN_NOT_SUPPORTED;
}
-
-
-
-