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Remove or rework assumptions in queue proofs (#603)

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This commit is paired with another to queue.c in the kernel.  To
accomodate changes in newer versions of CBMC, the
--pointer-overflow-check is removed.
This commit is contained in:
Dan Good 2021-06-04 15:42:14 -04:00 • committed by GitHub
parent d9ddcc0134
commit b6624fa44d
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GPG key ID: 4AEE18F83AFDEB23
33 changed files with 57 additions and 124 deletions
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9
FreeRTOS/Test/CBMC/patches/0005-Remove-volatile-qualifier-from-tasks-variables.patch
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@ -44,15 +44,6 @@ diff --git a/FreeRTOS/Source/tasks.c b/FreeRTOS/Source/tasks.c
index c7be57cb2..9f76465d5 100644
--- a/FreeRTOS/Source/tasks.c
+++ b/FreeRTOS/Source/tasks.c
@@ -296,7 +296,7 @@ typedef struct tskTaskControlBlock /* The old naming convention is used to
#if ( configUSE_NEWLIB_REENTRANT == 1 )
/* Allocate a Newlib reent structure that is specific to this task.
- * Note Newlib support has been included by popular demand, but is not
+ Note Newlib support has been included by popular demand, but is not
* used by the FreeRTOS maintainers themselves. FreeRTOS is not
* responsible for resulting newlib operation. User must be familiar with
* newlib and must provide system-wide implementations of the necessary
@@ -343,8 +343,8 @@ PRIVILEGED_DATA TCB_t * volatile pxCurrentTCB = NULL;
PRIVILEGED_DATA static List_t pxReadyTasksLists[ configMAX_PRIORITIES ]; /*< Prioritised ready tasks. */
PRIVILEGED_DATA static List_t xDelayedTaskList1; /*< Delayed tasks. */

13
FreeRTOS/Test/CBMC/patches/0009-Remove-overflow-asserts-from-xQueueGenericCreate.patch
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@ -1,13 +0,0 @@
diff --git a/FreeRTOS/Source/queue.c b/FreeRTOS/Source/queue.c
index b01dfd11f..b219b599a 100644
--- a/FreeRTOS/Source/queue.c
+++ b/FreeRTOS/Source/queue.c
@@ -395,7 +395,7 @@ BaseType_t xQueueGenericReset( QueueHandle_t xQueue,
xQueueSizeInBytes = ( size_t ) ( uxQueueLength * uxItemSize ); /*lint !e961 MISRA exception as the casts are only redundant for some ports. */
/* Check for multiplication overflow. */
- configASSERT( ( uxItemSize == 0 ) || ( uxQueueLength == ( xQueueSizeInBytes / uxItemSize ) ) );
+ /* configASSERT( ( uxItemSize == 0 ) || ( uxQueueLength == ( xQueueSizeInBytes / uxItemSize ) ) ); */
/* Check for addition overflow. */
configASSERT( ( sizeof( Queue_t ) + xQueueSizeInBytes ) > xQueueSizeInBytes );