Vipin Ranka / MGAS_GR_Peach

This is the final version of Mini Gateway for Automation and Security desgined for Renesas GR Peach Design Contest

Dependencies:   GR-PEACH_video GraphicsFramework HTTPServer R_BSP mbed-rpc mbed-rtos Socket lwip-eth lwip-sys lwip FATFileSystem

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

mbed-dev/platform/mbed_mem_trace.c@12:9a20164dcc47, 2017-01-11 (annotated)

Committer:
vipinranka
Date:
Wed Jan 11 11:41:30 2017 +0000
Revision:
12:9a20164dcc47
This is the final version MGAS Project for Renesas GR Peach Design Contest

Who changed what in which revision?

UserRevisionLine numberNew contents of line
vipinranka 12:9a20164dcc47 1 /* mbed Microcontroller Library
vipinranka 12:9a20164dcc47 2 * Copyright (c) 2006-2016 ARM Limited
vipinranka 12:9a20164dcc47 3 *
vipinranka 12:9a20164dcc47 4 * Licensed under the Apache License, Version 2.0 (the "License");
vipinranka 12:9a20164dcc47 5 * you may not use this file except in compliance with the License.
vipinranka 12:9a20164dcc47 6 * You may obtain a copy of the License at
vipinranka 12:9a20164dcc47 7 *
vipinranka 12:9a20164dcc47 8 * http://www.apache.org/licenses/LICENSE-2.0
vipinranka 12:9a20164dcc47 9 *
vipinranka 12:9a20164dcc47 10 * Unless required by applicable law or agreed to in writing, software
vipinranka 12:9a20164dcc47 11 * distributed under the License is distributed on an "AS IS" BASIS,
vipinranka 12:9a20164dcc47 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
vipinranka 12:9a20164dcc47 13 * See the License for the specific language governing permissions and
vipinranka 12:9a20164dcc47 14 * limitations under the License.
vipinranka 12:9a20164dcc47 15 */
vipinranka 12:9a20164dcc47 16
vipinranka 12:9a20164dcc47 17 #include <stdlib.h>
vipinranka 12:9a20164dcc47 18 #include <stdarg.h>
vipinranka 12:9a20164dcc47 19 #include <stdio.h>
vipinranka 12:9a20164dcc47 20 #include "platform/mbed_mem_trace.h"
vipinranka 12:9a20164dcc47 21 #include "platform/critical.h"
vipinranka 12:9a20164dcc47 22
vipinranka 12:9a20164dcc47 23 /******************************************************************************
vipinranka 12:9a20164dcc47 24 * Internal variables, functions and helpers
vipinranka 12:9a20164dcc47 25 *****************************************************************************/
vipinranka 12:9a20164dcc47 26
vipinranka 12:9a20164dcc47 27 /* The callback function that will be called after a traced memory operations finishes. */
vipinranka 12:9a20164dcc47 28 static mbed_mem_trace_cb_t mem_trace_cb;
vipinranka 12:9a20164dcc47 29 /* 'trave_level' guards "trace inside trace" situations (for example, the implementation
vipinranka 12:9a20164dcc47 30 * of realloc() might call malloc() internally, and since malloc() is also traced, this could
vipinranka 12:9a20164dcc47 31 * result in two calls to the callback function instead of one. */
vipinranka 12:9a20164dcc47 32 static uint8_t trace_level;
vipinranka 12:9a20164dcc47 33
vipinranka 12:9a20164dcc47 34 /******************************************************************************
vipinranka 12:9a20164dcc47 35 * Public interface
vipinranka 12:9a20164dcc47 36 *****************************************************************************/
vipinranka 12:9a20164dcc47 37
vipinranka 12:9a20164dcc47 38 void mbed_mem_trace_set_callback(mbed_mem_trace_cb_t cb) {
vipinranka 12:9a20164dcc47 39 mem_trace_cb = cb;
vipinranka 12:9a20164dcc47 40 }
vipinranka 12:9a20164dcc47 41
vipinranka 12:9a20164dcc47 42 void *mbed_mem_trace_malloc(void *res, size_t size, void *caller) {
vipinranka 12:9a20164dcc47 43 if (mem_trace_cb) {
vipinranka 12:9a20164dcc47 44 if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
vipinranka 12:9a20164dcc47 45 mem_trace_cb(MBED_MEM_TRACE_MALLOC, res, caller, size);
vipinranka 12:9a20164dcc47 46 }
vipinranka 12:9a20164dcc47 47 core_util_atomic_decr_u8(&trace_level, 1);
vipinranka 12:9a20164dcc47 48 }
vipinranka 12:9a20164dcc47 49 return res;
vipinranka 12:9a20164dcc47 50 }
vipinranka 12:9a20164dcc47 51
vipinranka 12:9a20164dcc47 52 void *mbed_mem_trace_realloc(void *res, void *ptr, size_t size, void *caller) {
vipinranka 12:9a20164dcc47 53 if (mem_trace_cb) {
vipinranka 12:9a20164dcc47 54 if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
vipinranka 12:9a20164dcc47 55 mem_trace_cb(MBED_MEM_TRACE_REALLOC, res, caller, ptr, size);
vipinranka 12:9a20164dcc47 56 }
vipinranka 12:9a20164dcc47 57 core_util_atomic_decr_u8(&trace_level, 1);
vipinranka 12:9a20164dcc47 58 }
vipinranka 12:9a20164dcc47 59 return res;
vipinranka 12:9a20164dcc47 60 }
vipinranka 12:9a20164dcc47 61
vipinranka 12:9a20164dcc47 62 void *mbed_mem_trace_calloc(void *res, size_t num, size_t size, void *caller) {
vipinranka 12:9a20164dcc47 63 if (mem_trace_cb) {
vipinranka 12:9a20164dcc47 64 if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
vipinranka 12:9a20164dcc47 65 mem_trace_cb(MBED_MEM_TRACE_CALLOC, res, caller, num, size);
vipinranka 12:9a20164dcc47 66 }
vipinranka 12:9a20164dcc47 67 core_util_atomic_decr_u8(&trace_level, 1);
vipinranka 12:9a20164dcc47 68 }
vipinranka 12:9a20164dcc47 69 return res;
vipinranka 12:9a20164dcc47 70 }
vipinranka 12:9a20164dcc47 71
vipinranka 12:9a20164dcc47 72 void mbed_mem_trace_free(void *ptr, void *caller) {
vipinranka 12:9a20164dcc47 73 if (mem_trace_cb) {
vipinranka 12:9a20164dcc47 74 if (core_util_atomic_incr_u8(&trace_level, 1) == 1) {
vipinranka 12:9a20164dcc47 75 mem_trace_cb(MBED_MEM_TRACE_FREE, NULL, caller, ptr);
vipinranka 12:9a20164dcc47 76 }
vipinranka 12:9a20164dcc47 77 core_util_atomic_decr_u8(&trace_level, 1);
vipinranka 12:9a20164dcc47 78 }
vipinranka 12:9a20164dcc47 79 }
vipinranka 12:9a20164dcc47 80
vipinranka 12:9a20164dcc47 81 void mbed_mem_trace_default_callback(uint8_t op, void *res, void *caller, ...) {
vipinranka 12:9a20164dcc47 82 va_list va;
vipinranka 12:9a20164dcc47 83 size_t temp_s1, temp_s2;
vipinranka 12:9a20164dcc47 84 void *temp_ptr;
vipinranka 12:9a20164dcc47 85
vipinranka 12:9a20164dcc47 86 va_start(va, caller);
vipinranka 12:9a20164dcc47 87 switch(op) {
vipinranka 12:9a20164dcc47 88 case MBED_MEM_TRACE_MALLOC:
vipinranka 12:9a20164dcc47 89 temp_s1 = va_arg(va, size_t);
vipinranka 12:9a20164dcc47 90 printf(MBED_MEM_DEFAULT_TRACER_PREFIX "m:%p;%p-%u\n", res, caller, temp_s1);
vipinranka 12:9a20164dcc47 91 break;
vipinranka 12:9a20164dcc47 92
vipinranka 12:9a20164dcc47 93 case MBED_MEM_TRACE_REALLOC:
vipinranka 12:9a20164dcc47 94 temp_ptr = va_arg(va, void*);
vipinranka 12:9a20164dcc47 95 temp_s1 = va_arg(va, size_t);
vipinranka 12:9a20164dcc47 96 printf(MBED_MEM_DEFAULT_TRACER_PREFIX "r:%p;%p-%p;%u\n", res, caller, temp_ptr, temp_s1);
vipinranka 12:9a20164dcc47 97 break;
vipinranka 12:9a20164dcc47 98
vipinranka 12:9a20164dcc47 99 case MBED_MEM_TRACE_CALLOC:
vipinranka 12:9a20164dcc47 100 temp_s1 = va_arg(va, size_t);
vipinranka 12:9a20164dcc47 101 temp_s2 = va_arg(va, size_t);
vipinranka 12:9a20164dcc47 102 printf(MBED_MEM_DEFAULT_TRACER_PREFIX "c:%p;%p-%u;%u\n", res, caller, temp_s1, temp_s2);
vipinranka 12:9a20164dcc47 103 break;
vipinranka 12:9a20164dcc47 104
vipinranka 12:9a20164dcc47 105 case MBED_MEM_TRACE_FREE:
vipinranka 12:9a20164dcc47 106 temp_ptr = va_arg(va, void*);
vipinranka 12:9a20164dcc47 107 printf(MBED_MEM_DEFAULT_TRACER_PREFIX "f:%p;%p-%p\n", res, caller, temp_ptr);
vipinranka 12:9a20164dcc47 108 break;
vipinranka 12:9a20164dcc47 109
vipinranka 12:9a20164dcc47 110 default:
vipinranka 12:9a20164dcc47 111 printf("?\n");
vipinranka 12:9a20164dcc47 112 }
vipinranka 12:9a20164dcc47 113 va_end(va);
vipinranka 12:9a20164dcc47 114 }
vipinranka 12:9a20164dcc47 115