X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..55e303ae13a4cf49d70f2294092726f2fffb9ef2:/osfmk/ddb/db_ext_symtab.c

diff --git a/osfmk/ddb/db_ext_symtab.c b/osfmk/ddb/db_ext_symtab.c
index d055fbdeb..4549a76e6 100644
--- a/osfmk/ddb/db_ext_symtab.c
+++ b/osfmk/ddb/db_ext_symtab.c
@@ -3,19 +3,22 @@
  *
  * @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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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. 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.
+ * 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@
  */
@@ -71,6 +74,9 @@
  *	Loads a symbol table for an external file into the kernel debugger.
  *	The symbol table data is an array of characters.  It is assumed that
  *	the caller and the kernel debugger agree on its format.
+ 
+ *	This has never and will never be supported on MacOS X. The only reason I don't remove
+ *	it entirely is that it is an exported symbol.
  */
 kern_return_t
 host_load_symbol_table(
@@ -80,69 +86,5 @@ host_load_symbol_table(
 	pointer_t	symtab,
 	mach_msg_type_number_t	symtab_count)
 {
-#if !MACH_DEBUG || !MACH_KDB
         return KERN_FAILURE;
-#else
-	kern_return_t	result;
-	vm_offset_t	symtab_start;
-	vm_offset_t	symtab_end;
-	vm_map_t	map;
-	vm_map_copy_t	symtab_copy_object;
-
-	if (host_priv == HOST_PRIV_NULL)
-	    return (KERN_INVALID_ARGUMENT);
-
-	/*
-	 * Copy the symbol table array into the kernel.
-	 * We make a copy of the copy object, and clear
-	 * the old one, so that returning error will not
-	 * deallocate the data twice.
-	 */
-	symtab_copy_object = (vm_map_copy_t) symtab;
-	result = vm_map_copyout(
-			kernel_map,
-			&symtab_start,
-			vm_map_copy_copy(symtab_copy_object));
-	if (result != KERN_SUCCESS)
-	    return (result);
-
-	symtab_end = symtab_start + symtab_count;
-
-	/*
-	 * Add the symbol table.
-	 * Do not keep a reference for the task map.	XXX
-	 */
-	if (task == TASK_NULL)
-	    map = VM_MAP_NULL;
-	else
-	    map = task->map;
-	if (!X_db_sym_init((char *)symtab_start,
-			(char *)symtab_end,
-			name,
-			(char *)map))
-	{
-	    /*
-	     * Not enough room for symbol table - failure.
-	     */
-	    (void) vm_deallocate(kernel_map,
-			symtab_start,
-			symtab_count);
-	    return (KERN_FAILURE);
-	}
-
-	/*
-	 * Wire down the symbol table
-	 */
-	(void) vm_map_wire(kernel_map,
-		symtab_start,
-		round_page(symtab_end),
-		VM_PROT_READ|VM_PROT_WRITE, FALSE);
-
-	/*
-	 * Discard the original copy object
-	 */
-	vm_map_copy_discard(symtab_copy_object);
-
-	return (KERN_SUCCESS);
-#endif /* MACH_DEBUG && MACH_KDB */
 }