test

Dependencies:   mbed Watchdog

Dependents:   STM32-MC_node

Committer:
ommpy
Date:
Mon Jul 06 17:18:59 2020 +0530
Revision:
0:d383e2dee0f7
first commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ommpy 0:d383e2dee0f7 1
ommpy 0:d383e2dee0f7 2 /** \addtogroup platform */
ommpy 0:d383e2dee0f7 3 /** @{*/
ommpy 0:d383e2dee0f7 4
ommpy 0:d383e2dee0f7 5 /* mbed Microcontroller Library
ommpy 0:d383e2dee0f7 6 * Copyright (c) 2006-2016 ARM Limited
ommpy 0:d383e2dee0f7 7 * SPDX-License-Identifier: Apache-2.0
ommpy 0:d383e2dee0f7 8 *
ommpy 0:d383e2dee0f7 9 * Licensed under the Apache License, Version 2.0 (the "License");
ommpy 0:d383e2dee0f7 10 * you may not use this file except in compliance with the License.
ommpy 0:d383e2dee0f7 11 * You may obtain a copy of the License at
ommpy 0:d383e2dee0f7 12 *
ommpy 0:d383e2dee0f7 13 * http://www.apache.org/licenses/LICENSE-2.0
ommpy 0:d383e2dee0f7 14 *
ommpy 0:d383e2dee0f7 15 * Unless required by applicable law or agreed to in writing, software
ommpy 0:d383e2dee0f7 16 * distributed under the License is distributed on an "AS IS" BASIS,
ommpy 0:d383e2dee0f7 17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
ommpy 0:d383e2dee0f7 18 * See the License for the specific language governing permissions and
ommpy 0:d383e2dee0f7 19 * limitations under the License.
ommpy 0:d383e2dee0f7 20 */
ommpy 0:d383e2dee0f7 21
ommpy 0:d383e2dee0f7 22 #ifndef __MBED_MEM_TRACE_H__
ommpy 0:d383e2dee0f7 23 #define __MBED_MEM_TRACE_H__
ommpy 0:d383e2dee0f7 24
ommpy 0:d383e2dee0f7 25 #ifdef __cplusplus
ommpy 0:d383e2dee0f7 26 extern "C" {
ommpy 0:d383e2dee0f7 27 #endif
ommpy 0:d383e2dee0f7 28
ommpy 0:d383e2dee0f7 29 #include <stdint.h>
ommpy 0:d383e2dee0f7 30 #include <stddef.h>
ommpy 0:d383e2dee0f7 31
ommpy 0:d383e2dee0f7 32 /**
ommpy 0:d383e2dee0f7 33 * enum Memory operation types for tracer
ommpy 0:d383e2dee0f7 34 */
ommpy 0:d383e2dee0f7 35 enum {
ommpy 0:d383e2dee0f7 36 MBED_MEM_TRACE_MALLOC, /**< Identifier for malloc operation */
ommpy 0:d383e2dee0f7 37 MBED_MEM_TRACE_REALLOC, /**< Identifier for realloc operation */
ommpy 0:d383e2dee0f7 38 MBED_MEM_TRACE_CALLOC, /**< Identifier for calloc operation */
ommpy 0:d383e2dee0f7 39 MBED_MEM_TRACE_FREE /**< Identifier for free operation */
ommpy 0:d383e2dee0f7 40 };
ommpy 0:d383e2dee0f7 41
ommpy 0:d383e2dee0f7 42 /**
ommpy 0:d383e2dee0f7 43 * \defgroup platform_mem_trace mem_trace functions
ommpy 0:d383e2dee0f7 44 * @{
ommpy 0:d383e2dee0f7 45 */
ommpy 0:d383e2dee0f7 46
ommpy 0:d383e2dee0f7 47 /* Prefix for the output of the default tracer */
ommpy 0:d383e2dee0f7 48 #define MBED_MEM_DEFAULT_TRACER_PREFIX "#"
ommpy 0:d383e2dee0f7 49
ommpy 0:d383e2dee0f7 50 /**
ommpy 0:d383e2dee0f7 51 * Type of the callback used by the memory tracer. This callback is called when a memory
ommpy 0:d383e2dee0f7 52 * allocation operation (malloc, realloc, calloc, free) is called and tracing is enabled
ommpy 0:d383e2dee0f7 53 * for that memory allocation function.
ommpy 0:d383e2dee0f7 54 *
ommpy 0:d383e2dee0f7 55 * @param op the ID of the operation (MBED_MEM_TRACE_MALLOC, MBED_MEM_TRACE_REALLOC,
ommpy 0:d383e2dee0f7 56 * MBED_MEM_TRACE_CALLOC or MBED_MEM_TRACE_FREE).
ommpy 0:d383e2dee0f7 57 * @param res the result that the memory operation returned (NULL for 'free').
ommpy 0:d383e2dee0f7 58 * @param caller the caller of the memory operation. Note that the value of 'caller' might be
ommpy 0:d383e2dee0f7 59 * unreliable.
ommpy 0:d383e2dee0f7 60 *
ommpy 0:d383e2dee0f7 61 * The rest of the parameters passed 'mbed_mem_trace_cb_t' are the same as the memory operations
ommpy 0:d383e2dee0f7 62 * that triggered its call (see 'man malloc' for details):
ommpy 0:d383e2dee0f7 63 *
ommpy 0:d383e2dee0f7 64 * - for malloc: cb(MBED_MEM_TRACE_MALLOC, res, caller, size).
ommpy 0:d383e2dee0f7 65 * - for realloc: cb(MBED_MEM_TRACE_REALLOC, res, caller, ptr, size).
ommpy 0:d383e2dee0f7 66 * - for calloc: cb(MBED_MEM_TRACE_CALLOC, res, caller, nmemb, size).
ommpy 0:d383e2dee0f7 67 * - for free: cb(MBED_MEM_TRACE_FREE, NULL, caller, ptr).
ommpy 0:d383e2dee0f7 68 */
ommpy 0:d383e2dee0f7 69 typedef void (*mbed_mem_trace_cb_t)(uint8_t op, void *res, void *caller, ...);
ommpy 0:d383e2dee0f7 70
ommpy 0:d383e2dee0f7 71 /**
ommpy 0:d383e2dee0f7 72 * Set the callback used by the memory tracer (use NULL for disable tracing).
ommpy 0:d383e2dee0f7 73 *
ommpy 0:d383e2dee0f7 74 * @param cb the callback to call on each memory operation.
ommpy 0:d383e2dee0f7 75 */
ommpy 0:d383e2dee0f7 76 void mbed_mem_trace_set_callback(mbed_mem_trace_cb_t cb);
ommpy 0:d383e2dee0f7 77
ommpy 0:d383e2dee0f7 78 /**
ommpy 0:d383e2dee0f7 79 * Disable the memory trace output by disabling the callback function
ommpy 0:d383e2dee0f7 80 */
ommpy 0:d383e2dee0f7 81 void mbed_mem_trace_disable();
ommpy 0:d383e2dee0f7 82
ommpy 0:d383e2dee0f7 83 /**
ommpy 0:d383e2dee0f7 84 * Re-enable the memory trace output with the cb in use when disable was called
ommpy 0:d383e2dee0f7 85 */
ommpy 0:d383e2dee0f7 86 void mbed_mem_trace_enable();
ommpy 0:d383e2dee0f7 87
ommpy 0:d383e2dee0f7 88 /**
ommpy 0:d383e2dee0f7 89 * Trace lock.
ommpy 0:d383e2dee0f7 90 * @note Locking prevent recursive tracing of malloc/free inside realloc/calloc
ommpy 0:d383e2dee0f7 91 */
ommpy 0:d383e2dee0f7 92 void mbed_mem_trace_lock();
ommpy 0:d383e2dee0f7 93
ommpy 0:d383e2dee0f7 94 /**
ommpy 0:d383e2dee0f7 95 * Trace unlock.
ommpy 0:d383e2dee0f7 96 */
ommpy 0:d383e2dee0f7 97 void mbed_mem_trace_unlock();
ommpy 0:d383e2dee0f7 98
ommpy 0:d383e2dee0f7 99 /**
ommpy 0:d383e2dee0f7 100 * Trace a call to 'malloc'.
ommpy 0:d383e2dee0f7 101 * @param res the result of running 'malloc'.
ommpy 0:d383e2dee0f7 102 * @param size the 'size' argument given to 'malloc'.
ommpy 0:d383e2dee0f7 103 * @param caller the caller of the memory operation.
ommpy 0:d383e2dee0f7 104 * @return 'res' (the first argument).
ommpy 0:d383e2dee0f7 105 */
ommpy 0:d383e2dee0f7 106 void *mbed_mem_trace_malloc(void *res, size_t size, void *caller);
ommpy 0:d383e2dee0f7 107
ommpy 0:d383e2dee0f7 108 /**
ommpy 0:d383e2dee0f7 109 * Trace a call to 'realloc'.
ommpy 0:d383e2dee0f7 110 * @param res the result of running 'realloc'.
ommpy 0:d383e2dee0f7 111 * @param ptr the 'ptr' argument given to 'realloc'.
ommpy 0:d383e2dee0f7 112 * @param size the 'size' argument given to 'realloc'.
ommpy 0:d383e2dee0f7 113 * @param caller the caller of the memory operation.
ommpy 0:d383e2dee0f7 114 * @return 'res' (the first argument).
ommpy 0:d383e2dee0f7 115 */
ommpy 0:d383e2dee0f7 116 void *mbed_mem_trace_realloc(void *res, void *ptr, size_t size, void *caller);
ommpy 0:d383e2dee0f7 117
ommpy 0:d383e2dee0f7 118 /**
ommpy 0:d383e2dee0f7 119 * Trace a call to 'calloc'.
ommpy 0:d383e2dee0f7 120 * @param res the result of running 'calloc'.
ommpy 0:d383e2dee0f7 121 * @param num the 'nmemb' argument given to 'calloc'.
ommpy 0:d383e2dee0f7 122 * @param size the 'size' argument given to 'calloc'.
ommpy 0:d383e2dee0f7 123 * @param caller the caller of the memory operation.
ommpy 0:d383e2dee0f7 124 * @return 'res' (the first argument).
ommpy 0:d383e2dee0f7 125 */
ommpy 0:d383e2dee0f7 126 void *mbed_mem_trace_calloc(void *res, size_t num, size_t size, void *caller);
ommpy 0:d383e2dee0f7 127
ommpy 0:d383e2dee0f7 128 /**
ommpy 0:d383e2dee0f7 129 * Trace a call to 'free'.
ommpy 0:d383e2dee0f7 130 * @param ptr the 'ptr' argument given to 'free'.
ommpy 0:d383e2dee0f7 131 * @param caller the caller of the memory operation.
ommpy 0:d383e2dee0f7 132 */
ommpy 0:d383e2dee0f7 133 void mbed_mem_trace_free(void *ptr, void *caller);
ommpy 0:d383e2dee0f7 134
ommpy 0:d383e2dee0f7 135 /**
ommpy 0:d383e2dee0f7 136 * Default memory trace callback. DO NOT CALL DIRECTLY. It is meant to be used
ommpy 0:d383e2dee0f7 137 * as the second argument of 'mbed_mem_trace_setup'.
ommpy 0:d383e2dee0f7 138 *
ommpy 0:d383e2dee0f7 139 * The default callback outputs trace data using 'printf', in a format that's
ommpy 0:d383e2dee0f7 140 * easily parsable by an external tool. For each memory operation, the callback
ommpy 0:d383e2dee0f7 141 * outputs a line that begins with "#<op>:<0xresult>;<0xcaller>-":
ommpy 0:d383e2dee0f7 142 *
ommpy 0:d383e2dee0f7 143 * @param op identifies the memory operation ('m' for 'malloc', 'r' for 'realloc',
ommpy 0:d383e2dee0f7 144 * 'c' for 'calloc' and 'f' for 'free').
ommpy 0:d383e2dee0f7 145 * @param res (base 16) is the result of the memory operation. This is always NULL
ommpy 0:d383e2dee0f7 146 * for 'free', since 'free' doesn't return anything.
ommpy 0:d383e2dee0f7 147 * @param caller (base 16) is the caller of the memory operation. Note that the value
ommpy 0:d383e2dee0f7 148 * of 'caller' might be unreliable.
ommpy 0:d383e2dee0f7 149 *
ommpy 0:d383e2dee0f7 150 * The rest of the output depends on the operation being traced:
ommpy 0:d383e2dee0f7 151 *
ommpy 0:d383e2dee0f7 152 * - for 'malloc': 'size', where 'size' is the original argument to 'malloc'.
ommpy 0:d383e2dee0f7 153 * - for 'realloc': '0xptr;size', where 'ptr' (base 16) and 'size' are the original arguments to 'realloc'.
ommpy 0:d383e2dee0f7 154 * - for 'calloc': 'nmemb;size', where 'nmemb' and 'size' are the original arguments to 'calloc'.
ommpy 0:d383e2dee0f7 155 * - for 'free': '0xptr', where 'ptr' (base 16) is the original argument to 'free'.
ommpy 0:d383e2dee0f7 156 *
ommpy 0:d383e2dee0f7 157 * Examples:
ommpy 0:d383e2dee0f7 158 *
ommpy 0:d383e2dee0f7 159 * - "#m:0x20003240;0x600d-50" encodes a 'malloc' that returned 0x20003240, was called
ommpy 0:d383e2dee0f7 160 * by the instruction at 0x600D with a the 'size' argument equal to 50.
ommpy 0:d383e2dee0f7 161 * - "#f:0x0;0x602f-0x20003240" encodes a 'free' that was called by the instruction at
ommpy 0:d383e2dee0f7 162 * 0x602f with the 'ptr' argument equal to 0x20003240.
ommpy 0:d383e2dee0f7 163 */
ommpy 0:d383e2dee0f7 164 void mbed_mem_trace_default_callback(uint8_t op, void *res, void *caller, ...);
ommpy 0:d383e2dee0f7 165
ommpy 0:d383e2dee0f7 166 /** @}*/
ommpy 0:d383e2dee0f7 167
ommpy 0:d383e2dee0f7 168 #ifdef __cplusplus
ommpy 0:d383e2dee0f7 169 }
ommpy 0:d383e2dee0f7 170 #endif
ommpy 0:d383e2dee0f7 171
ommpy 0:d383e2dee0f7 172 #endif// #ifndef __MBED_MEM_TRACE_H__
ommpy 0:d383e2dee0f7 173
ommpy 0:d383e2dee0f7 174
ommpy 0:d383e2dee0f7 175 /** @}*/