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Add a stack pointer bounds check when configCHECK_FOR_STACK_OVERFLOW is set to 2.

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jiladahe1997 2024-12-26 11:43:28 +08:00 committed by jiladahe1997
parent f63bc2b5cc
commit abef464d75
1 changed files with 14 additions and 2 deletions
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16
include/stack_macros.h
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@ -93,12 +93,18 @@
const uint32_t * const pulStack = ( uint32_t * ) pxCurrentTCB->pxStack; \
const uint32_t ulCheckValue = ( uint32_t ) 0xa5a5a5a5U; \
\
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
if( ( pulStack[ 0 ] != ulCheckValue ) || \
( pulStack[ 1 ] != ulCheckValue ) || \
( pulStack[ 2 ] != ulCheckValue ) || \
( pulStack[ 3 ] != ulCheckValue ) ) \
{ \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
\
/* Is the currently saved stack pointer within the stack limit? */ \
if( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack + portSTACK_LIMIT_PADDING ) \
{ \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
} while( 0 )
@ -120,10 +126,16 @@
\
pcEndOfStack -= sizeof( ucExpectedStackBytes ); \
\
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
/* Has the extremity of the task stack ever been written over? */ \
if( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
{ \
char * pcOverflowTaskName = pxCurrentTCB->pcTaskName; \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
\
/* Is the currently saved stack pointer within the stack limit? */ \
if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack - portSTACK_LIMIT_PADDING ) \
{ \
vApplicationStackOverflowHook( ( TaskHandle_t ) pxCurrentTCB, pcOverflowTaskName ); \
} \
} while( 0 )