2009-06-06 Joel Sherrill <joel.sherrill@oarcorp.com>

* heapwalk/init.c: Add more automated corruption capability.
This commit is contained in:
Joel Sherrill
2009-06-06 18:52:54 +00:00
parent 5cb7096bde
commit f4812a03e3
2 changed files with 48 additions and 8 deletions

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@@ -1,3 +1,7 @@
2009-06-06 Joel Sherrill <joel.sherrill@oarcorp.com>
* heapwalk/init.c: Add more automated corruption capability.
2009-06-05 Santosh G Vattam <vattam.santosh@gmail.com>
* heapwalk/heapwalk.scn, heapwalk/init.c: Add a test case.

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@@ -18,33 +18,69 @@
#include <stdlib.h>
#include <inttypes.h>
#include <errno.h>
#include <string.h>
#include <rtems/score/heap.h>
#define TEST_HEAP_SIZE 1024
uint8_t TestHeapMemory[TEST_HEAP_SIZE];
uint32_t TestHeapMemory[TEST_HEAP_SIZE];
Heap_Control TestHeap;
void test_heap_init(void)
{
_Heap_Initialize( &TestHeap, TestHeapMemory, TEST_HEAP_SIZE, 0 );
memset( TestHeapMemory, '\0', sizeof(TestHeapMemory) );
_Heap_Initialize( &TestHeap, TestHeapMemory, sizeof(TestHeapMemory), 0 );
}
void test_heap_walk( int source, bool do_dump )
{
int i, j, original;
_Heap_Walk( &TestHeap, source, do_dump );
/*
* Now corrupt all non-zero values
*/
for (i=0 ; i<TEST_HEAP_SIZE ; i++) {
original = TestHeapMemory[i];
if ( original == 0 )
continue;
/* mark it free -- may or may not have already been */
TestHeapMemory[i] &= ~0x01;
_Heap_Walk( &TestHeap, source, do_dump );
/* mark it used -- may or may not have already been */
TestHeapMemory[i] |= 0x01;
_Heap_Walk( &TestHeap, source, do_dump );
/* try 0 and see what that does */
TestHeapMemory[i] = 0x00;
_Heap_Walk( &TestHeap, source, do_dump );
/* try 0xffffffff and see what that does */
TestHeapMemory[i] = 0xffffffff;
_Heap_Walk( &TestHeap, source, do_dump );
TestHeapMemory[i] = original;
}
}
void test_walk_freshly_initialized(void)
{
puts( "Walk freshly initialized heap" );
test_heap_init();
_Heap_Walk( &TestHeap, 0x01, true );
test_heap_walk(1, true);
}
void test_negative_source_value(void)
{
test_heap_init();
/* Passing a negative value for source so that
* the control enters the if block on line 67
*/
/*
* Passing a negative value for source so that
* the control enters the if block on line 67
*/
puts( "Passing negative value for source" );
_Heap_Walk( &TestHeap, -1, true );
test_heap_walk( -1, true );
}
void test_prev_block_flag_check(void)