diff options
Diffstat (limited to 'FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask')
3 files changed, 98 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/Makefile.json b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/Makefile.json new file mode 100644 index 000000000..083feb6e2 --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/Makefile.json @@ -0,0 +1,41 @@ +# +# FreeRTOS memory safety proofs with CBMC. +# 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://aws.amazon.com/freertos +# http://www.FreeRTOS.org +# + +{ + "ENTRY": "SendEventToIPTask", + "CBMCFLAGS": [ + "--unwind 1", + "--nondet-static" + ], + "OBJS": + [ + "$(ENTRY)_harness.goto", + "$(FREERTOS)/../FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/FreeRTOS_IP.goto", + "$(FREERTOS)/Source/tasks.goto" + ] +} diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/README.md b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/README.md new file mode 100644 index 000000000..4682310df --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/README.md @@ -0,0 +1,13 @@ +This is the memory safety proof for xSendEventToIPTask, a function used +for sending different events to IP-Task. We have abstracted away queues. + +This proof is a work-in-progress. Proof assumptions are described in +the harness. The proof also assumes the following functions are +memory safe and have no side effects relevant to the memory safety of +this function: + +* uxQueueMessagesWaiting +* xQueueGenericSend + +The coverage is imperfect (97%) because xSendEventToIPTask always +calls xSendEventStructToIPTask with xTimeout==0. diff --git a/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/SendEventToIPTask_harness.c b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/SendEventToIPTask_harness.c new file mode 100644 index 000000000..9bdcbf7af --- /dev/null +++ b/FreeRTOS-Plus/Test/CBMC/proofs/IP/SendEventToIPTask/SendEventToIPTask_harness.c @@ -0,0 +1,44 @@ +/* + * FreeRTOS memory safety proofs with CBMC. + * 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://aws.amazon.com/freertos + * http://www.FreeRTOS.org + */ + +#include <stdint.h> + +/* FreeRTOS includes. */ +#include "FreeRTOS.h" +#include "task.h" + +/* FreeRTOS+TCP includes. */ +#include "FreeRTOS_IP.h" +#include "FreeRTOS_IP_Private.h" + +// The harness test proceeds to call SendEventToIPTask with an unconstrained value +void harness() +{ + eIPEvent_t eEvent; + xSendEventToIPTask( eEvent ); +} |