xnu-2422.100.13.tar.gz

[apple/xnu.git] / osfmk / kern / syscall_emulation.c

diff --git a/osfmk/kern/syscall_emulation.c b/osfmk/kern/syscall_emulation.c
index 028e523d99309738013e75ceb6ae3d4a96edf31c..c067cb0dba2401f55e5a837c6989c2e54e774ae0 100644 (file)
--- a/osfmk/kern/syscall_emulation.c
+++ b/osfmk/kern/syscall_emulation.c
@@ -1,23 +1,29 @@
 /*
 /*

- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.

  *
  *

- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_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 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 Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * 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.
+ * 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_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@

  */
 /*
  * @OSF_COPYRIGHT@
  */
 /*
  * @OSF_COPYRIGHT@


@@ -49,122 +55,24 @@
  */
 /*
  */
  */
 /*
  */

-
+#include <mach/mach_types.h>

 #include <mach/error.h>
 #include <mach/vm_param.h>
 #include <mach/boolean.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/misc_protos.h>

-#include <kern/syscall_emulation.h>

 #include <kern/task.h>
 #include <kern/kalloc.h>
 #include <kern/task.h>
 #include <kern/kalloc.h>

+
+#include <vm/vm_map.h>

 #include <vm/vm_kern.h>
 #include <vm/vm_kern.h>

-#include <machine/thread.h>    /* for syscall_emulation_sync */

 
 /*
  * Exported interface
  */
 
 
 /*
  * 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]
  *
 /*
  *     task_set_emulation_vector:  [Server Entry]
  *


@@ -173,10 +81,10 @@ task_set_emulation_vector_internal(
  */
 kern_return_t
 task_set_emulation_vector(
  */
 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;
 }
 {
        return KERN_NOT_SUPPORTED;
 }


@@ -189,10 +97,10 @@ task_set_emulation_vector(
  */
 kern_return_t
 task_get_emulation_vector(
  */
 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;
 }
 {
        return KERN_NOT_SUPPORTED;
 }


@@ -203,9 +111,9 @@ task_get_emulation_vector(
  */
 kern_return_t
 task_set_emulation(
  */
 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;
 }
 {
        return KERN_NOT_SUPPORTED;
 }