kopia lustrzana https://github.com/espressif/esp-idf
93 wiersze
3.7 KiB
C
93 wiersze
3.7 KiB
C
/*
|
|
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
#pragma once
|
|
|
|
/* Define a noclone attribute when compiled with GCC as certain functions
|
|
* in the heap component should not be cloned by the compiler */
|
|
#if defined __has_attribute && __has_attribute(noclone)
|
|
#define NOCLONE_ATTR __attribute((noclone))
|
|
#else
|
|
#define NOCLONE_ATTR
|
|
#endif
|
|
|
|
/* Define a structure that contains some function pointers that point to OS-related functions.
|
|
An instance of this structure will be provided to the heap in ROM for use if needed.
|
|
*/
|
|
typedef struct {
|
|
void (*lock)(void *lock);
|
|
void (*unlock)(void *lock);
|
|
} multi_heap_os_funcs_t;
|
|
|
|
/** @brief Initialize structure pointer that points a structure that contains OS-related functions pointers.
|
|
*
|
|
* @param heap_os_funcs Points to a structure that contains some OS-related function pointers.
|
|
* @return None.
|
|
*
|
|
*/
|
|
void multi_heap_os_funcs_init(multi_heap_os_funcs_t *heap_os_funcs);
|
|
|
|
/* Opaque handle to a heap block */
|
|
typedef const struct block_header_t *multi_heap_block_handle_t;
|
|
|
|
/* Internal definitions for the "implementation" of the multi_heap API,
|
|
as defined in multi_heap.c.
|
|
|
|
If heap poisioning is disabled, these are aliased directly to the public API.
|
|
|
|
If heap poisoning is enabled, wrapper functions call each of these.
|
|
*/
|
|
|
|
void *multi_heap_malloc_impl(multi_heap_handle_t heap, size_t size);
|
|
|
|
/* Allocate a memory region of minimum `size` bytes, aligned on `alignment`. */
|
|
void *multi_heap_aligned_alloc_impl(multi_heap_handle_t heap, size_t size, size_t alignment);
|
|
|
|
/* Allocate a memory region of minimum `size` bytes, where memory's `offset` is aligned on `alignment`. */
|
|
void *multi_heap_aligned_alloc_impl_offs(multi_heap_handle_t heap, size_t size, size_t alignment, size_t offset);
|
|
|
|
void multi_heap_free_impl(multi_heap_handle_t heap, void *p);
|
|
void *multi_heap_realloc_impl(multi_heap_handle_t heap, void *p, size_t size);
|
|
multi_heap_handle_t multi_heap_register_impl(void *start, size_t size);
|
|
void multi_heap_get_info_impl(multi_heap_handle_t heap, multi_heap_info_t *info);
|
|
size_t multi_heap_free_size_impl(multi_heap_handle_t heap);
|
|
size_t multi_heap_minimum_free_size_impl(multi_heap_handle_t heap);
|
|
size_t multi_heap_get_allocated_size_impl(multi_heap_handle_t heap, void *p);
|
|
void *multi_heap_get_block_address_impl(multi_heap_block_handle_t block);
|
|
|
|
/* Some internal functions for heap poisoning use */
|
|
|
|
/* Check an allocated block's poison bytes are correct. Called by multi_heap_check(). */
|
|
bool multi_heap_internal_check_block_poisoning(void *start, size_t size, bool is_free, bool print_errors);
|
|
|
|
/* Fill a region of memory with the free or malloced pattern.
|
|
Called when merging blocks, to overwrite the old block header.
|
|
*/
|
|
void multi_heap_internal_poison_fill_region(void *start, size_t size, bool is_free);
|
|
|
|
/* Allow heap poisoning to lock/unlock the heap to avoid race conditions
|
|
if multi_heap_check() is running concurrently.
|
|
*/
|
|
void multi_heap_internal_lock(multi_heap_handle_t heap);
|
|
|
|
void multi_heap_internal_unlock(multi_heap_handle_t heap);
|
|
|
|
/* Some internal functions for heap debugging code to use */
|
|
|
|
/* Get the handle to the first (fixed free) block in a heap */
|
|
multi_heap_block_handle_t multi_heap_get_first_block(multi_heap_handle_t heap);
|
|
|
|
/* Get the handle to the next block in a heap, with validation */
|
|
multi_heap_block_handle_t multi_heap_get_next_block(multi_heap_handle_t heap, multi_heap_block_handle_t block);
|
|
|
|
/* Test if a heap block is free */
|
|
bool multi_heap_is_free(const multi_heap_block_handle_t block);
|
|
|
|
/* Get the data address of a heap block */
|
|
void *multi_heap_get_block_address(multi_heap_block_handle_t block);
|
|
|
|
/* Get the owner identification for a heap block */
|
|
void *multi_heap_get_block_owner(multi_heap_block_handle_t block);
|