125 lines
7.6 KiB
C
125 lines
7.6 KiB
C
/*
|
|
* FreeRTOS Kernel V10.2.1
|
|
* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
|
* this software and associated documentation files (the "Software"), to deal in
|
|
* the Software without restriction, including without limitation the rights to
|
|
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
|
* the Software, and to permit persons to whom the Software is furnished to do so,
|
|
* subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
|
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
|
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
|
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
* http://www.FreeRTOS.org
|
|
* http://aws.amazon.com/freertos
|
|
*
|
|
* 1 tab == 4 spaces!
|
|
*/
|
|
|
|
#ifndef STACK_MACROS_H
|
|
#define STACK_MACROS_H
|
|
|
|
#ifndef _MSC_VER /* Visual Studio doesn't support #warning. */
|
|
#warning The name of this file has changed to stack_macros.h. Please update your code accordingly. This source file (which has the original name) will be removed in future released.
|
|
#endif
|
|
|
|
/*
|
|
* Call the stack overflow hook function if the stack of the task being swapped
|
|
* out is currently overflowed, or looks like it might have overflowed in the
|
|
* past.
|
|
*
|
|
* Setting configCHECK_FOR_STACK_OVERFLOW to 1 will cause the macro to check
|
|
* the current stack state only - comparing the current top of stack value to
|
|
* the stack limit. Setting configCHECK_FOR_STACK_OVERFLOW to greater than 1
|
|
* will also cause the last few stack bytes to be checked to ensure the value
|
|
* to which the bytes were set when the task was created have not been
|
|
* overwritten. Note this second test does not guarantee that an overflowed
|
|
* stack will always be recognised.
|
|
*/
|
|
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ((configCHECK_FOR_STACK_OVERFLOW == 1) && (portSTACK_GROWTH < 0))
|
|
|
|
/* Only the current stack state is to be checked. */
|
|
#define taskCHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
/* Is the currently saved stack pointer within the stack limit? */ \
|
|
if (pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack) { \
|
|
vApplicationStackOverflowHook((TaskHandle_t)pxCurrentTCB, pxCurrentTCB->pcTaskName); \
|
|
} \
|
|
}
|
|
|
|
#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ((configCHECK_FOR_STACK_OVERFLOW == 1) && (portSTACK_GROWTH > 0))
|
|
|
|
/* Only the current stack state is to be checked. */
|
|
#define taskCHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
/* Is the currently saved stack pointer within the stack limit? */ \
|
|
if (pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack) { \
|
|
vApplicationStackOverflowHook((TaskHandle_t)pxCurrentTCB, pxCurrentTCB->pcTaskName); \
|
|
} \
|
|
}
|
|
|
|
#endif /* configCHECK_FOR_STACK_OVERFLOW == 1 */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ((configCHECK_FOR_STACK_OVERFLOW > 1) && (portSTACK_GROWTH < 0))
|
|
|
|
#define taskCHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
const uint32_t *const pulStack = (uint32_t *)pxCurrentTCB->pxStack; \
|
|
const uint32_t ulCheckValue = (uint32_t)0xa5a5a5a5; \
|
|
\
|
|
if ((pulStack[0] != ulCheckValue) || \
|
|
(pulStack[1] != ulCheckValue) || \
|
|
(pulStack[2] != ulCheckValue) || \
|
|
(pulStack[3] != ulCheckValue)) { \
|
|
vApplicationStackOverflowHook((TaskHandle_t)pxCurrentTCB, pxCurrentTCB->pcTaskName); \
|
|
} \
|
|
}
|
|
|
|
#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
#if ((configCHECK_FOR_STACK_OVERFLOW > 1) && (portSTACK_GROWTH > 0))
|
|
|
|
#define taskCHECK_FOR_STACK_OVERFLOW() \
|
|
{ \
|
|
int8_t *pcEndOfStack = (int8_t *)pxCurrentTCB->pxEndOfStack; \
|
|
static const uint8_t ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
|
|
tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
|
|
\
|
|
pcEndOfStack -= sizeof(ucExpectedStackBytes); \
|
|
\
|
|
/* Has the extremity of the task stack ever been written over? */ \
|
|
if (memcmp((void *)pcEndOfStack, (void *)ucExpectedStackBytes, sizeof(ucExpectedStackBytes)) != 0) { \
|
|
vApplicationStackOverflowHook((TaskHandle_t)pxCurrentTCB, pxCurrentTCB->pcTaskName); \
|
|
} \
|
|
}
|
|
|
|
#endif /* #if( configCHECK_FOR_STACK_OVERFLOW > 1 ) */
|
|
/*-----------------------------------------------------------*/
|
|
|
|
/* Remove stack overflow macro if not being used. */
|
|
#ifndef taskCHECK_FOR_STACK_OVERFLOW
|
|
#define taskCHECK_FOR_STACK_OVERFLOW()
|
|
#endif
|
|
|
|
#endif /* STACK_MACROS_H */
|