| 1 | /* |
| 2 | * Copyright (c) 2012 Apple Computer, Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| 9 | * compliance with the License. Please obtain a copy of the License at |
| 10 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| 11 | * file. |
| 12 | * |
| 13 | * The Original Code and all software distributed under the License are |
| 14 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 15 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 16 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 18 | * Please see the License for the specific language governing rights and |
| 19 | * limitations under the License. |
| 20 | * |
| 21 | * @APPLE_LICENSE_HEADER_END@ |
| 22 | */ |
| 23 | |
| 24 | #include <sys/cdefs.h> |
| 25 | |
| 26 | #if __DARWIN_UNIX03 |
| 27 | |
| 28 | #include <sys/mman.h> |
| 29 | #include <mach/mach_init.h> |
| 30 | #include "stack_logging_internal.h" |
| 31 | |
| 32 | /* |
| 33 | * munmap stub, for stack logging of VM allocations. |
| 34 | * |
| 35 | * This is for UNIX03 only. |
| 36 | */ |
| 37 | extern int __munmap(void *, size_t); |
| 38 | |
| 39 | int |
| 40 | munmap(void *addr, size_t len) |
| 41 | { |
| 42 | if (__syscall_logger) { |
| 43 | __syscall_logger(stack_logging_type_vm_deallocate, (uintptr_t)mach_task_self(), (uintptr_t)addr, len, 0, 0); |
| 44 | } |
| 45 | |
| 46 | int result = __munmap(addr, len); |
| 47 | |
| 48 | return result; |
| 49 | } |
| 50 | |
| 51 | #endif /* __DARWIN_UNIX03 */ |