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Refine heap_5 heap protector (#1146)

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Add configVALIDATE_HEAP_BLOCK_POINTER on heap_5

heap_5 is used for multiple separated memory spaces. In the
previous implementation, it only verifies the highest and
lowest addresses. A pointer may not be within heap regions,
but is still located between the highest and lowest addressed.

Add maco configVALIDATE_HEAP_BLOCK_POINTER to provide
customized heap block pointers detection based on the settings
of heap regions.

Signed-off-by: wangfei_chen <wangfei_chen@realsil.com.cn>
This commit is contained in:
Saiiijchan 2024-09-19 13:06:52 +08:00 committed by GitHub
parent d3052f1f50
commit 61440fc664
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1 changed files with 13 additions and 6 deletions
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9
portable/MemMang/heap_5.c
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@ -129,12 +129,19 @@
* heapVALIDATE_BLOCK_POINTER assert. */
#define heapPROTECT_BLOCK_POINTER( pxBlock ) ( ( BlockLink_t * ) ( ( ( portPOINTER_SIZE_TYPE ) ( pxBlock ) ) ^ xHeapCanary ) )
/* Assert that a heap block pointer is within the heap bounds. */
/* Assert that a heap block pointer is within the heap bounds.
* Setting configVALIDATE_HEAP_BLOCK_POINTER to 1 enables customized heap block pointers
* protection on heap_5. */
#ifndef configVALIDATE_HEAP_BLOCK_POINTER
#define heapVALIDATE_BLOCK_POINTER( pxBlock ) \
configASSERT( ( pucHeapHighAddress != NULL ) && \
( pucHeapLowAddress != NULL ) && \
( ( uint8_t * ) ( pxBlock ) >= pucHeapLowAddress ) && \
( ( uint8_t * ) ( pxBlock ) < pucHeapHighAddress ) )
#else /* ifndef configVALIDATE_HEAP_BLOCK_POINTER */
#define heapVALIDATE_BLOCK_POINTER( pxBlock ) \
configVALIDATE_HEAP_BLOCK_POINTER( pxBlock )
#endif /* configVALIDATE_HEAP_BLOCK_POINTER */
#else /* if ( configENABLE_HEAP_PROTECTOR == 1 ) */