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Added rewrite to remove const qualifiers from pointers.

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This commit is contained in:
Tobias Reinhard 2022-11-04 11:15:15 -04:00
parent 2404a2f253
commit 94e0f21574
4 changed files with 397 additions and 131 deletions
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7
tasks.c
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@ -62,7 +62,11 @@
#include "verifast_bitops_extended.h" #include "verifast_bitops_extended.h"
#include "verifast_asm.h" #include "verifast_asm.h"
//#include "verifast_lock_predicates.h"
#include "snippets/rp2040_port_c_snippets.c" #include "snippets/rp2040_port_c_snippets.c"
#include "list.c"
#endif #endif
/* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified /* Lint e9021, e961 and e750 are suppressed as a MISRA exception justified
@ -1673,7 +1677,10 @@ static void prvInitialiseNewTask( TaskFunction_t pxTaskCode,
} }
#endif /* configUSE_MUTEXES */ #endif /* configUSE_MUTEXES */
// TODO: Add contract
// TODO: Why does VeriFast not complain?
vListInitialiseItem( &( pxNewTCB->xStateListItem ) ); vListInitialiseItem( &( pxNewTCB->xStateListItem ) );
//@ assert(false);
vListInitialiseItem( &( pxNewTCB->xEventListItem ) ); vListInitialiseItem( &( pxNewTCB->xEventListItem ) );

4
verification/verifast/custom_build_scripts_RP2040/vf_rewrite.sh
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@ -24,6 +24,7 @@ rewrite()
echo "Commenting out line/file pragmas" echo "Commenting out line/file pragmas"
rewrite "^#" "// &" rewrite "^#" "// &"
echo "Fixing order of 'long', 'unsigned'"
rewrite "long unsigned int" "unsigned long int" rewrite "long unsigned int" "unsigned long int"
echo "Delete fixed-sized array typedefs" echo "Delete fixed-sized array typedefs"
@ -35,6 +36,9 @@ rewrite "__attribute__(([_a-z]*))" ""
# TODO: Why does matching `\s` or `:space:` not work on MacOs? # TODO: Why does matching `\s` or `:space:` not work on MacOs?
rewrite "__attribute__( ( [_a-z]* ) )" "" rewrite "__attribute__( ( [_a-z]* ) )" ""
echo "Removing const qualifiers from pointers"
rewrite "* const" "*"
#echo "VF RW: 'long unsigned int' -> 'unsinged long int'" #echo "VF RW: 'long unsigned int' -> 'unsinged long int'"
#echo "backup : $VF_RW_WD/$SOURCE_FILE.backup-$BACKUP_IDX" #echo "backup : $VF_RW_WD/$SOURCE_FILE.backup-$BACKUP_IDX"
#echo backup index $BACKUP_IDX #echo backup index $BACKUP_IDX

483
verification/verifast/preprocessed_files/tasks__pp.c
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File diff suppressed because it is too large Load diff

34
verification/verifast/proof/verifast_lock_predicates.h Normal file
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@ -0,0 +1,34 @@
#ifndef VERIFAST_LOCK_PREDICATES_H
#define VERIFAST_LOCK_PREDICATES_H
/* We assume that macros evaluate as follows:
* - `configMAX_PRIORITIES` -> 32
*/
/*@
predicate tasks_global_vars() =
// Lists for ready and blocked tasks.
//chars((char*) pxReadyTasksLists, 32 * sizeof(List_t), _) &*&
//chars((char*) xDelayedTaskList1) &*&
// Other file private variables. --------------------------------
integer_((void*) uxCurrentNumberOfTasks, sizeof(UBaseType_t), false, _)
&*&
true;
@*/
void vf_validate_lock_predicaet()
//@ requires module(tasks__pp, true);
//@ ensures true;
{
//@ open_module();
uxCurrentNumberOfTasks = 0;
//@ close tasks_global_vars();
}
#endif /* VERIFAST_LOCK_PREDICATES_H */