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72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
/*
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* Copyright (C) 2024 TU Dresden
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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#pragma once
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/**
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* @defgroup sys_malloc_monitor_internals Heap Memory Usage Monitor internals
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* @ingroup sys_malloc_monitor
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* @{
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*
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* @brief internals for monitoring heap memory usage (calls to malloc/calloc/realloc/free)
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* @author Mikolai Gütschow <mikolai.guetschow@tu-dresden.de>
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*/
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#include <assert.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <string.h>
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#include "architecture.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief Record malloc/calloc/realloc call increasing heap usage.
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*
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* @param[in] ptr pointer to newly allocated memory
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* @param[in] size size of newly allocated memory
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* @param[in] pc PC of calling function
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* @param[in] func_prefix prefix identifying memory function, one of "m","c","re"
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*
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* @internal
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*/
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void malloc_monitor_add(void *ptr, size_t size, uinttxtptr_t pc, char *func_prefix);
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/**
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* @brief Record free/realloc call decreasing heap usage.
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*
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* @param[in] ptr pointer to memory that is being freed
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* @param[in] pc PC of calling function
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*
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* @internal
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*/
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void malloc_monitor_rm(void *ptr, uinttxtptr_t pc);
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/**
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* @brief Record realloc call either increasing or decreasing heap usage.
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*
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* @param[in] ptr_old pointer to previously allocated memory
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* @param[in] ptr_new pointer to newly allocated memory
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* @param[in] size_new size of newly allocated memory
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* @param[in] pc PC of calling function
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*
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* @internal
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*/
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void malloc_monitor_mv(void *ptr_old, void *ptr_new, size_t size_new, uinttxtptr_t pc);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @}
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*/
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