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add portDONT_DISCARD to pxCurrentTCB (#479)

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This fixes link failures with LTO:

/tmp/ccJbaKaD.ltrans0.ltrans.o: in function `pxCurrentTCBConst2':
/root/project/FreeRTOS/portable/GCC/ARM_CM4F/port.c:249: undefined reference to `pxCurrentTCB'
/usr/lib/gcc/arm-none-eabi/11.2.0/../../../../arm-none-eabi/bin/ld: /tmp/ccJbaKaD.ltrans0.ltrans.o: in function `pxCurrentTCBConst':
/root/project/FreeRTOS/portable/GCC/ARM_CM4F/port.c:443: undefined reference to `pxCurrentTCB'
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Patrick Oppenlander 2022-08-02 20:39:58 +10:00 committed by GitHub
parent c22f40d9a5
commit bfe057367d
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1 changed files with 1 additions and 1 deletions
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tasks.c
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@ -337,7 +337,7 @@ typedef tskTCB TCB_t;
/*lint -save -e956 A manual analysis and inspection has been used to determine /*lint -save -e956 A manual analysis and inspection has been used to determine
* which static variables must be declared volatile. */ * which static variables must be declared volatile. */
PRIVILEGED_DATA TCB_t * volatile pxCurrentTCB = NULL; portDONT_DISCARD PRIVILEGED_DATA TCB_t * volatile pxCurrentTCB = NULL;
/* Lists for ready and blocked tasks. -------------------- /* Lists for ready and blocked tasks. --------------------
* xDelayedTaskList1 and xDelayedTaskList2 could be moved to function scope but * xDelayedTaskList1 and xDelayedTaskList2 could be moved to function scope but