--- xnu/xnu-792.13.8/libkern/gen/OSDebug.cpp
+++ /dev/null
@@ -1,197 +0,0 @@
-/*
- * Copyright (c) 2005 Apple Computer, Inc. All rights reserved.
- *
- * @APPLE_LICENSE_OSREFERENCE_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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
- * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
- */
-
-// NOTE:  This file is only c++ so I can get static initialisers going
-#include <libkern/OSDebug.h>
-
-#include <sys/cdefs.h>
-
-#include <stdarg.h>
-#include <mach/mach_types.h>
-#include <mach/kmod.h>
-#include <kern/lock.h>
-
-#include <libkern/libkern.h>	// From bsd's libkern directory
-#include <mach/vm_param.h>
-
-__BEGIN_DECLS
-// From osmfk/kern/thread.h but considered to be private
-extern vm_offset_t min_valid_stack_address(void);
-extern vm_offset_t max_valid_stack_address(void);
-
-// From osfmk/kmod.c
-extern void kmod_dump_log(vm_offset_t *addr, unsigned int cnt);
-
-extern addr64_t kvtophys(vm_offset_t va);
-__END_DECLS
-
-static mutex_t *sOSReportLock = mutex_alloc(0);
-
-/* Report a message with a 4 entry backtrace - very slow */
-void
-OSReportWithBacktrace(const char *str, ...)
-{
-    char buf[128];
-    void *bt[9];
-    const unsigned cnt = sizeof(bt) / sizeof(bt[0]);
-    va_list listp;
-
-    // Ignore the our and our callers stackframes, skipping frames 0 & 1
-    (void) OSBacktrace(bt, cnt);
-
-    va_start(listp, str);
-    vsnprintf(buf, sizeof(buf), str, listp);
-    va_end(listp);
-
-    mutex_lock(sOSReportLock);
-    {
-	printf("%s\nBacktrace %p %p %p %p %p %p %p\n",
-		buf, bt[2], bt[3], bt[4], bt[5], bt[6], bt[7], bt[8]);
-	kmod_dump_log((vm_offset_t *) &bt[2], cnt - 2);
-    }
-    mutex_unlock(sOSReportLock);
-}
-
-static vm_offset_t minstackaddr = min_valid_stack_address();
-static vm_offset_t maxstackaddr = max_valid_stack_address();
-
-#if __i386__
-#define i386_RETURN_OFFSET 4
-
-static unsigned int
-i386_validate_stackptr(vm_offset_t stackptr)
-{
-	/* Existence and alignment check
-	 */
-	if (!stackptr || (stackptr & 0x3))
-		return 0;
-  
-	/* Is a virtual->physical translation present?
-	 */
-	if (!kvtophys(stackptr))
-		return 0;
-  
-	/* Check if the return address lies on the same page;
-	 * If not, verify that a translation exists.
-	 */
-	if (((PAGE_SIZE - (stackptr & PAGE_MASK)) < i386_RETURN_OFFSET) &&
-	    !kvtophys(stackptr + i386_RETURN_OFFSET))
-		return 0;
-	return 1;
-}
-
-static unsigned int
-i386_validate_raddr(vm_offset_t raddr)
-{
-	return ((raddr > VM_MIN_KERNEL_ADDRESS) &&
-	    (raddr < VM_MAX_KERNEL_ADDRESS));
-}
-#endif
-
-unsigned OSBacktrace(void **bt, unsigned maxAddrs)
-{
-    unsigned frame;
-
-#if __ppc__
-    vm_offset_t stackptr, stackptr_prev;
-    const vm_offset_t * const mem = (vm_offset_t *) 0;
-    unsigned i = 0;
-
-    __asm__ volatile("mflr %0" : "=r" (stackptr)); 
-    bt[i++] = (void *) stackptr;
-
-    __asm__ volatile("mr %0,r1" : "=r" (stackptr)); 
-    for ( ; i < maxAddrs; i++) {
-	// Validate we have a reasonable stackptr
-	if ( !(minstackaddr <= stackptr && stackptr < maxstackaddr)
-	|| (stackptr & 3))
-	    break;
-
-	stackptr_prev = stackptr;
-	stackptr = mem[stackptr_prev >> 2];
-	if ((stackptr_prev ^ stackptr) > 8 * 1024)	// Sanity check
-	    break;
-
-	vm_offset_t addr = mem[(stackptr >> 2) + 2]; 
-	if ((addr & 3) || (addr < 0x8000))	// More sanity checks
-	    break;
-	bt[i] = (void *) addr;
-    }
-    frame = i;
-
-    for ( ; i < maxAddrs; i++)
-	    bt[i] = (void *) 0;
-#elif __i386__
-#define SANE_i386_FRAME_SIZE 8*1024
-    vm_offset_t stackptr, stackptr_prev, raddr;
-    unsigned frame_index = 0;
-/* Obtain current frame pointer */
-    __asm__ volatile("movl %%ebp, %0" : "=m" (stackptr)); 
-
-    if (!i386_validate_stackptr(stackptr))
-	    goto pad;
-
-    raddr = *((vm_offset_t *) (stackptr + i386_RETURN_OFFSET));
-
-    if (!i386_validate_raddr(raddr))
-	    goto pad;
-
-    bt[frame_index++] = (void *) raddr;
-
-    for ( ; frame_index < maxAddrs; frame_index++) {
-	    stackptr_prev = stackptr;
-	    stackptr = *((vm_offset_t *) stackptr_prev);
-
-	    if (!i386_validate_stackptr(stackptr))
-		    break;
-	/* Stack grows downwards */
-	    if (stackptr < stackptr_prev)
-		    break;
-
-	    if ((stackptr_prev ^ stackptr) > SANE_i386_FRAME_SIZE)
-		    break;
-
-	    raddr = *((vm_offset_t *) (stackptr + i386_RETURN_OFFSET));
-
-	    if (!i386_validate_raddr(raddr))
-		    break;
-
-	    bt[frame_index] = (void *) raddr;
-    }
-pad:
-    frame = frame_index;
-
-    for ( ; frame_index < maxAddrs; frame_index++)
-	    bt[frame_index] = (void *) 0;
-#else
-#error arch
-#endif
-    return frame;
-}