2 * FreeRTOS memory safety proofs with CBMC.
3 * Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
5 * Permission is hereby granted, free of charge, to any person
6 * obtaining a copy of this software and associated documentation
7 * files (the "Software"), to deal in the Software without
8 * restriction, including without limitation the rights to use, copy,
9 * modify, merge, publish, distribute, sublicense, and/or sell copies
10 * of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25 * http://aws.amazon.com/freertos
26 * http://www.FreeRTOS.org
31 #include "queue_init.h"
39 #if ( configUSE_QUEUE_SETS == 0 )
40 BaseType_t prvCopyDataToQueue( Queue_t * const pxQueue,
41 const void * pvItemToQueue,
42 const BaseType_t xPosition )
44 if( pxQueue->uxItemSize > ( UBaseType_t ) 0 )
46 __CPROVER_assert( __CPROVER_r_ok( pvItemToQueue, ( size_t ) pxQueue->uxItemSize ), "pvItemToQueue region must be readable" );
48 if( xPosition == queueSEND_TO_BACK )
50 __CPROVER_assert( __CPROVER_w_ok( ( void * ) pxQueue->pcWriteTo, ( size_t ) pxQueue->uxItemSize ), "pxQueue->pcWriteTo region must be writable" );
54 __CPROVER_assert( __CPROVER_w_ok( ( void * ) pxQueue->u.xQueue.pcReadFrom, ( size_t ) pxQueue->uxItemSize ), "pxQueue->u.xQueue.pcReadFrom region must be writable" );
61 return nondet_BaseType_t();
64 #endif /* if ( configUSE_QUEUE_SETS == 0 ) */
68 QueueHandle_t xQueue = xUnconstrainedQueueBoundedItemSize( ITEM_BOUND );
73 void * pvItemToQueue = pvPortMalloc( xQueue->uxItemSize );
74 BaseType_t * xHigherPriorityTaskWoken = pvPortMalloc( sizeof( BaseType_t ) );
75 BaseType_t xCopyPosition;
77 if( xQueue->uxItemSize == 0 )
79 /* uxQueue->xQueueType is a pointer to the head of the queue storage area.
80 * If an item has a size, this pointer must not be modified after init.
81 * Otherwise some of the write statements will fail. */
82 xQueue->uxQueueType = nondet_int8_t();
86 /* This code checks explicitly for violations of the pxQueue->uxMessagesWaiting < pxQueue->uxLength
88 xQueue->uxMessagesWaiting = nondet_UBaseType_t();
92 xQueue->uxItemSize = 0;
95 if( xCopyPosition == 2 )
97 __CPROVER_assume( xQueue->uxLength == 1 );
100 xQueueGenericSendFromISR( xQueue, pvItemToQueue, xHigherPriorityTaskWoken, xCopyPosition );