libsyscall/mach/stack_logging_internal.h

   1 /*
   2  * Copyright (c) 2012 Apple Inc. All rights reserved.
   3  *
   4  * @APPLE_OSREFERENCE_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. The rights granted to you under the License
  10  * may not be used to create, or enable the creation or redistribution of,
  11  * unlawful or unlicensed copies of an Apple operating system, or to
  12  * circumvent, violate, or enable the circumvention or violation of, any
  13  * terms of an Apple operating system software license agreement.
  14  *
  15  * Please obtain a copy of the License at
  16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
  17  *
  18  * The Original Code and all software distributed under the License are
  19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  23  * Please see the License for the specific language governing rights and
  24  * limitations under the License.
  25  *
  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28
  29 // These declarations must match those in Libc's stack_logging.h
  30
  31 #include <mach/vm_statistics.h>         // to get VM_FLAGS_ALIAS_MASK
  32
  33 #define stack_logging_type_vm_allocate 16      // mach_vm_allocate, mmap, mach_vm_map, mach_vm_remap, etc
  34 #define stack_logging_type_vm_deallocate 32    // mach_vm_deallocate or munmap
  35 #define stack_logging_type_mapped_file_or_shared_mem 128    // a hint that the VM region *might* be a mapped file or shared memory
  36
  37 // For logging VM allocation and deallocation, arg1 here
  38 // is the mach_port_name_t of the target task in which the
  39 // alloc or dealloc is occurring. For example, for mmap()
  40 // that would be mach_task_self(), but for a cross-task-capable
  41 // call such as mach_vm_map(), it is the target task.
  42
  43 typedef void (malloc_logger_t)(uint32_t type, uintptr_t arg1, uintptr_t arg2, uintptr_t arg3, uintptr_t result, uint32_t num_hot_frames_to_skip);
  44
  45 extern malloc_logger_t *__syscall_logger;