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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* * Copyright (c) 1999-2007 Apple Inc. All rights reserved. * * @APPLE_LICENSE_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. 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_HEADER_END@ */ #ifndef _STACK_LOGGING_H_ #define _STACK_LOGGING_H_ #include <stdbool.h> #include <stddef.h> #include <stdint.h> #include <malloc/malloc.h> #include <mach/boolean.h> #include <mach/mach_types.h> #include <mach/vm_statistics.h> #include <sys/cdefs.h> #include <os/availability.h> /********* MallocStackLogging permanent SPIs ************/ #define stack_logging_type_free 0 #define stack_logging_type_generic 1 /* anything that is not allocation/deallocation */ #define stack_logging_type_alloc 2 /* malloc, realloc, etc... */ #define stack_logging_type_dealloc 4 /* free, realloc, etc... */ #define stack_logging_type_vm_allocate 16 /* vm_allocate or mmap */ /* NOTE: the stack_logging_type_vm_allocate type also contains * the VM region's user_tag in the top byte, so it is not valid to check * type == stack_logging_type_vm_allocate. The user_tag can be accessed * using VM_GET_FLAGS_ALIAS */ #define stack_logging_type_vm_deallocate 32 /* vm_deallocate or munmap */ #define stack_logging_type_mapped_file_or_shared_mem 128 // The valid flags include those from VM_FLAGS_ALIAS_MASK, which give the user_tag of allocated VM regions. #define stack_logging_valid_type_flags ( \ stack_logging_type_generic | \ stack_logging_type_alloc | \ stack_logging_type_dealloc | \ stack_logging_type_vm_allocate | \ stack_logging_type_vm_deallocate | \ stack_logging_type_mapped_file_or_shared_mem | \ VM_FLAGS_ALIAS_MASK); // Following flags are absorbed by stack_logging_log_stack() #define stack_logging_flag_zone 8 /* NSZoneMalloc, etc... */ #define stack_logging_flag_cleared 64 /* for NewEmptyHandle */ 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); extern malloc_logger_t *malloc_logger; /* * Load the MallocStackLogging library and register it with libmalloc */ boolean_t malloc_register_stack_logger(void); /********* MallocStackLogging deprecated SPIs ************ * * Everything here should be considered deprecated and slated for being deleted. * Move over to the equivilant in MallocStackLogging.h */ #define STACK_LOGGING_MAX_STACK_SIZE 512 #define STACK_LOGGING_VM_USER_TAG(flags) (((flags) & VM_FLAGS_ALIAS_MASK) >> 24) typedef enum { stack_logging_mode_none = 0, stack_logging_mode_all, stack_logging_mode_malloc, stack_logging_mode_vm, stack_logging_mode_lite, stack_logging_mode_vmlite } stack_logging_mode_type; extern boolean_t turn_on_stack_logging(stack_logging_mode_type mode); extern void turn_off_stack_logging(void); /* constants for enabling/disabling malloc stack logging via the memorystatus_vm_pressure_send sysctl */ #define MEMORYSTATUS_ENABLE_MSL_MALLOC 0x10000000 #define MEMORYSTATUS_ENABLE_MSL_VM 0x20000000 #define MEMORYSTATUS_ENABLE_MSL_LITE 0x40000000 #define MEMORYSTATUS_DISABLE_MSL 0x80000000 #define MEMORYSTATUS_ENABLE_MSL_LITE_FULL (MEMORYSTATUS_ENABLE_MSL_LITE | MEMORYSTATUS_ENABLE_MSL_VM | MEMORYSTATUS_ENABLE_MSL_MALLOC) #define MEMORYSTATUS_ENABLE_MSL_LITE_VM (MEMORYSTATUS_ENABLE_MSL_LITE | MEMORYSTATUS_ENABLE_MSL_VM) #endif // _STACK_LOGGING_H_ |