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--- xnu/xnu-792.2.4/libkern/gen/OSDebug.cpp
+++ /dev/null
@@ -1,170 +0,0 @@
-/*
- * Copyright (c) 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
- * 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@
- */
-
-// 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
-
-__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);
-__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();
-
-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 0 && __i386__ // Note that this should be ported for i386
- // This function is not safe, we should get this code ported appropriately
- if (maxAddrs > 16) {
- for (frame = 16; frame < maxAddrs; frame++)
- bt[frame] = __builtin_return_address(frame);
- maxAddrs = 16;
- }
-
- switch(maxAddrs) {
- case 15+1: bt[15] = __builtin_return_address(15);
- case 14+1: bt[14] = __builtin_return_address(14);
- case 13+1: bt[13] = __builtin_return_address(13);
- case 12+1: bt[12] = __builtin_return_address(12);
- case 11+1: bt[11] = __builtin_return_address(11);
- case 10+1: bt[10] = __builtin_return_address(10);
- case 9+1: bt[ 9] = __builtin_return_address( 9);
- case 8+1: bt[ 8] = __builtin_return_address( 8);
- case 7+1: bt[ 7] = __builtin_return_address( 7);
- case 6+1: bt[ 6] = __builtin_return_address( 6);
- case 5+1: bt[ 5] = __builtin_return_address( 5);
- case 4+1: bt[ 4] = __builtin_return_address( 4);
- case 3+1: bt[ 3] = __builtin_return_address( 3);
- case 2+1: bt[ 2] = __builtin_return_address( 2);
- case 1+1: bt[ 1] = __builtin_return_address( 1);
- case 0+1: bt[ 0] = __builtin_return_address( 0);
- case 0: default: break;
- }
-
- frame = maxAddrs;
-#else
- // This function is not safe, we should get this code ported appropriately
- if (maxAddrs > 16) {
- for (frame = 16; frame < maxAddrs; frame++)
- bt[frame] = 0;
- maxAddrs = 16;
- }
-
- switch (maxAddrs) {
- case 15+1: bt[15] = __builtin_return_address(15);
- case 14+1: bt[14] = __builtin_return_address(14);
- case 13+1: bt[13] = __builtin_return_address(13);
- case 12+1: bt[12] = __builtin_return_address(12);
- case 11+1: bt[11] = __builtin_return_address(11);
- case 10+1: bt[10] = __builtin_return_address(10);
- case 9+1: bt[ 9] = __builtin_return_address( 9);
- case 8+1: bt[ 8] = __builtin_return_address( 8);
- case 7+1: bt[ 7] = __builtin_return_address( 7);
- case 6+1: bt[ 6] = __builtin_return_address( 6);
- case 5+1: bt[ 5] = __builtin_return_address( 5);
- case 4+1: bt[ 4] = __builtin_return_address( 4);
- case 3+1: bt[ 3] = __builtin_return_address( 3);
- case 2+1: bt[ 2] = __builtin_return_address( 2);
- case 1+1: bt[ 1] = __builtin_return_address( 1);
- case 0+1: bt[ 0] = __builtin_return_address( 0);
- case 0:
- default :
- break;
- }
-
- frame = maxAddrs;
-#endif
-
- return frame;
-}