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00054 #ifndef STACK_MACROS_H
00055 #define STACK_MACROS_H
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00073 #if( configCHECK_FOR_STACK_OVERFLOW == 0 )
00074
00075
00076 #define taskFIRST_CHECK_FOR_STACK_OVERFLOW()
00077 #define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
00078
00079 #endif
00080
00081
00082 #if( configCHECK_FOR_STACK_OVERFLOW == 1 )
00083
00084
00085
00086 #define taskSECOND_CHECK_FOR_STACK_OVERFLOW()
00087
00088 #endif
00089
00090
00091 #if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH < 0 ) )
00092
00093
00094 #define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
00095 { \
00096 extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
00097 \
00098 \
00099 if( pxCurrentTCB->pxTopOfStack <= pxCurrentTCB->pxStack ) \
00100 { \
00101 vApplicationStackOverflowHook( ( xTaskHandle ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
00102 } \
00103 }
00104
00105 #endif
00106
00107
00108 #if( ( configCHECK_FOR_STACK_OVERFLOW > 0 ) && ( portSTACK_GROWTH > 0 ) )
00109
00110
00111 #define taskFIRST_CHECK_FOR_STACK_OVERFLOW() \
00112 { \
00113 extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
00114 \
00115 \
00116 if( pxCurrentTCB->pxTopOfStack >= pxCurrentTCB->pxEndOfStack ) \
00117 { \
00118 vApplicationStackOverflowHook( ( xTaskHandle ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
00119 } \
00120 }
00121
00122 #endif
00123
00124
00125 #if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH < 0 ) )
00126
00127 #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
00128 { \
00129 extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
00130 static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00131 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00132 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00133 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00134 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
00135 \
00136 \
00137 \
00138 if( memcmp( ( void * ) pxCurrentTCB->pxStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
00139 { \
00140 vApplicationStackOverflowHook( ( xTaskHandle ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
00141 } \
00142 }
00143
00144 #endif
00145
00146
00147 #if( ( configCHECK_FOR_STACK_OVERFLOW > 1 ) && ( portSTACK_GROWTH > 0 ) )
00148
00149 #define taskSECOND_CHECK_FOR_STACK_OVERFLOW() \
00150 { \
00151 extern void vApplicationStackOverflowHook( xTaskHandle *pxTask, signed char *pcTaskName ); \
00152 char *pcEndOfStack = ( char * ) pxCurrentTCB->pxEndOfStack; \
00153 static const unsigned char ucExpectedStackBytes[] = { tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00154 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00155 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00156 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, \
00157 tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE, tskSTACK_FILL_BYTE }; \
00158 \
00159 \
00160 pcEndOfStack -= sizeof( ucExpectedStackBytes ); \
00161 \
00162 \
00163 if( memcmp( ( void * ) pcEndOfStack, ( void * ) ucExpectedStackBytes, sizeof( ucExpectedStackBytes ) ) != 0 ) \
00164 { \
00165 vApplicationStackOverflowHook( ( xTaskHandle ) pxCurrentTCB, pxCurrentTCB->pcTaskName ); \
00166 } \
00167 }
00168
00169 #endif
00170
00171
00172 #endif
00173