/*
* COPYRIGHT (c) 1989-2011, 2014.
* On-Line Applications Research Corporation (OAR).
*
* Copyright (c) 2009, 2016 embedded brains GmbH.
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#define CONFIGURE_INIT
#include "system.h"
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include <errno.h>
#include <rtems/score/protectedheap.h>
#include <rtems/malloc.h>
#include <rtems/sysinit.h>
const char rtems_test_name[] = "MALLOCTEST";
/*
* A simple test of realloc
*/
static void test_realloc(void)
{
void *p1, *p2, *p3, *p4;
size_t i;
int sc;
bool malloc_walk_ok;
/* Test growing reallocation "in place" */
p1 = malloc(1);
for (i=2 ; i<2048 ; i++) {
p2 = realloc(p1, i);
if (p2 != p1)
printf( "realloc - failed grow in place: "
"%p != realloc(%p,%zu)\n", p1, p2, i);
p1 = p2;
}
free(p1);
/* Test shrinking reallocation "in place" */
p1 = malloc(2048);
for (i=2047 ; i>=1; i--) {
p2 = realloc(p1, i);
if (p2 != p1)
printf( "realloc - failed shrink in place: "
"%p != realloc(%p,%zu)\n", p1, p2, i);
p1 = p2;
}
free(p1);
/* Test realloc that should fail "in place", i.e.,
* fallback to free()-- malloc()
*/
p1 = malloc(32);
p2 = malloc(32);
p3 = realloc(p1, 64);
if (p3 == p1 || p3 == NULL)
printf(
"realloc - failed non-in place: realloc(%p,%d) = %p\n", p1, 64, p3);
free(p3);
free(p2);
/*
* Yet another case
*/
p1 = malloc(8);
p2 = malloc(8);
free(p1);
sc = posix_memalign(&p1, 16, 32);
if (!sc)
free(p1);
/*
* Allocate with default alignment coverage
*/
sc = rtems_memalign( &p4, 0, 8 );
if ( !sc && p4 )
free( p4 );
/*
* Walk the C Program Heap
*/
puts( "malloc_walk - normal path" );
malloc_walk_ok = malloc_walk( 1234, false );
rtems_test_assert( malloc_walk_ok );
puts( "malloc_walk - in critical section path" );
_Thread_Dispatch_disable();
malloc_walk_ok = malloc_walk( 1234, false );
rtems_test_assert( malloc_walk_ok );
_Thread_Dispatch_enable( _Per_CPU_Get() );
/*
* Realloc with a bad pointer to force a point
*/
p4 = realloc( test_realloc, 32 );
p4 = _realloc_r( NULL, NULL, 1 );
}
#define TEST_HEAP_SIZE 2048
uint8_t TestHeapMemory[TEST_HEAP_SIZE];
Heap_Control TestHeap;
static void test_heap_default_init(void)
{
memset( &TestHeapMemory, 0x7f, TEST_HEAP_SIZE );
_Heap_Initialize( &TestHeap, TestHeapMemory, TEST_HEAP_SIZE, 0 );
}
static void test_free( void *addr )
{
rtems_test_assert( _Heap_Free( &TestHeap, addr ) );
_Heap_Protection_free_all_delayed_blocks( &TestHeap );
}
static void test_heap_cases_1(void)
{
void *p1, *p2, *p3;
uintptr_t u1, u2;
Heap_Resize_status rsc;
/*
* Another odd case. What we are trying to do from Sergei
*
* 32-bit CPU when CPU_ALIGNMENT = 4 (most targets have 8) with the
* code like this:
*/
test_heap_default_init();
p1 = _Heap_Allocate( &TestHeap, 12 );
p2 = _Heap_Allocate( &TestHeap, 32 );
p3 = _Heap_Allocate( &TestHeap, 32 );
test_free( p2 );
p2 = _Heap_Allocate_aligned( &TestHeap, 8, 28 );
test_free( p1 );
test_free( p2 );
test_free( p3 );
/*
* Odd case in resizing a block. Again test case outline per Sergei
*/
test_heap_default_init();
p1 = _Heap_Allocate( &TestHeap, 32 );
p2 = _Heap_Allocate( &TestHeap, 8 );
p3 = _Heap_Allocate( &TestHeap, 32 );
test_free( p2 );
rsc = _Heap_Resize_block( &TestHeap, p1, 41, &u1, &u2 );
/* XXX what should we expect */
test_free( p3 );
test_free( p1 );
/*
* To tackle a special case of resizing a block in order to cover the
* code in heapresizeblock.c
*
* Re-initialise the heap, so that the blocks created from now on
* are contiguous.
*/
test_heap_default_init();
puts( "Heap Initialized" );
p1 = _Heap_Allocate( &TestHeap, 400 );
rtems_test_assert( p1 != NULL );
p2 = _Heap_Allocate( &TestHeap, 496 );
rtems_test_assert( p2 != NULL );
rsc = _Heap_Resize_block( &TestHeap, p1, 256, &u1, &u2 );
rtems_test_assert( rsc == HEAP_RESIZE_SUCCESSFUL );
test_free( p1 );
test_free( p2 );
}
#define TEST_DEFAULT_PAGE_SIZE 128
static void test_heap_init(uintptr_t page_size )
{
uintptr_t rv = 0;
memset( &TestHeapMemory, 0x7f, TEST_HEAP_SIZE );
rv = _Heap_Initialize( &TestHeap, TestHeapMemory, TEST_HEAP_SIZE, page_size );
rtems_test_assert( rv > 0 );
}
static void test_check_alloc(
void *alloc_begin_ptr,
void *expected_alloc_begin_ptr,
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary
)
{
uintptr_t const min_block_size = TestHeap.min_block_size;
uintptr_t const page_size = TestHeap.page_size;
rtems_test_assert( alloc_begin_ptr == expected_alloc_begin_ptr );
if( expected_alloc_begin_ptr != NULL ) {
uintptr_t const alloc_begin = (uintptr_t ) alloc_begin_ptr;
uintptr_t const alloc_end = alloc_begin + alloc_size;
uintptr_t const alloc_area_begin = _Heap_Align_down( alloc_begin, page_size );
uintptr_t const alloc_area_offset = alloc_begin - alloc_area_begin;
#if UNUSED
uintptr_t const alloc_area_size = alloc_area_offset + alloc_size;
#endif
Heap_Block *block = _Heap_Block_of_alloc_area( alloc_area_begin, page_size );
uintptr_t const block_begin = (uintptr_t ) block;
uintptr_t const block_size = _Heap_Block_size( block );
uintptr_t const block_end = block_begin + block_size;
rtems_test_assert( block_size >= min_block_size );
rtems_test_assert( block_begin < block_end );
rtems_test_assert(
_Heap_Is_aligned( block_begin + HEAP_BLOCK_HEADER_SIZE, page_size )
);
rtems_test_assert(
_Heap_Is_aligned( block_size, page_size )
);
rtems_test_assert( alloc_end <= block_end + HEAP_ALLOC_BONUS );
rtems_test_assert( alloc_area_begin > block_begin );
rtems_test_assert( alloc_area_offset < page_size );
rtems_test_assert( _Heap_Is_aligned( alloc_area_begin, page_size ) );
if ( alignment == 0 ) {
rtems_test_assert( alloc_begin == alloc_area_begin );
} else {
rtems_test_assert( _Heap_Is_aligned( alloc_begin, alignment ) );
}
if ( boundary != 0 ) {
uintptr_t boundary_line = _Heap_Align_down( alloc_end, boundary );
rtems_test_assert( alloc_size <= boundary );
rtems_test_assert(
boundary_line <= alloc_begin
|| alloc_end <= boundary_line
);
}
}
rtems_test_assert(
page_size < CPU_ALIGNMENT
|| _Heap_Walk( &TestHeap, 0, false )
);
}
static void test_check_alloc_simple(
void *alloc_begin_ptr,
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary
)
{
test_check_alloc(
alloc_begin_ptr,
alloc_begin_ptr,
alloc_size,
alignment,
boundary
);
}
static void *test_alloc(
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary,
void *expected_alloc_begin_ptr
)
{
void *alloc_begin_ptr = _Heap_Allocate_aligned_with_boundary(
&TestHeap,
alloc_size,
alignment,
boundary
);
test_check_alloc(
alloc_begin_ptr,
expected_alloc_begin_ptr,
alloc_size,
alignment,
boundary
);
return alloc_begin_ptr;
}
static void *test_alloc_simple(
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary
)
{
void *alloc_begin_ptr = _Heap_Allocate_aligned_with_boundary(
&TestHeap,
alloc_size,
alignment,
boundary
);
test_check_alloc_simple(
alloc_begin_ptr,
alloc_size,
alignment,
boundary
);
rtems_test_assert( alloc_begin_ptr != NULL );
return alloc_begin_ptr;
}
static void *test_init_and_alloc(
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary,
void *expected_alloc_begin_ptr
)
{
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
return test_alloc(
alloc_size,
alignment,
boundary,
expected_alloc_begin_ptr
);
}
static void *test_init_and_alloc_simple(
uintptr_t alloc_size,
uintptr_t alignment,
uintptr_t boundary
)
{
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
return test_alloc_simple(
alloc_size,
alignment,
boundary
);
}
static uintptr_t test_page_size(void)
{
return TestHeap.page_size;
}
static void test_heap_do_initialize(
uintptr_t area_size,
uintptr_t page_size,
uintptr_t success_expected
)
{
uintptr_t rv =
_Heap_Initialize( &TestHeap, TestHeapMemory, area_size, page_size );
if ( success_expected ) {
rtems_test_assert( rv > 0 && _Heap_Walk( &TestHeap, 0, false ) );
} else {
rtems_test_assert( rv == 0 );
}
}
static void test_heap_initialize(void)
{
puts( "run tests for _Heap_Initialize()" );
test_heap_do_initialize( TEST_HEAP_SIZE, 0, true );
test_heap_do_initialize( TEST_HEAP_SIZE, TEST_DEFAULT_PAGE_SIZE, true );
test_heap_do_initialize( 0, 0, false );
test_heap_do_initialize( (uintptr_t) -1, 0, false );
test_heap_do_initialize( TEST_HEAP_SIZE, (uintptr_t) -1, false );
test_heap_do_initialize(
TEST_HEAP_SIZE,
(uintptr_t) (-2 * CPU_ALIGNMENT),
false
);
}
static void test_heap_allocate(void)
{
void *p1 = NULL;
void *p2 = NULL;
void *p3 = NULL;
uintptr_t alloc_size = 0;
uintptr_t alignment = 0;
uintptr_t boundary = 0;
uintptr_t page_size = 0;
uintptr_t first_page_begin = 0;
uintptr_t previous_last_block_begin = 0;
uintptr_t previous_last_page_begin = 0;
uintptr_t last_block_begin = 0;
uintptr_t last_alloc_begin = 0;
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
last_block_begin = (uintptr_t) TestHeap.last_block;
last_alloc_begin = _Heap_Alloc_area_of_block( TestHeap.last_block );
puts( "run tests for _Heap_Allocate_aligned_with_boundary()");
puts( "\tcheck if NULL will be returned if size causes integer overflow" );
alloc_size = (uintptr_t ) -1;
alignment = 0;
boundary = 0;
test_init_and_alloc( alloc_size, alignment, boundary, NULL );
puts( "\ttry to allocate more space than the one which fits in the boundary" );
alloc_size = 2;
alignment = 0;
boundary = alloc_size - 1;
test_init_and_alloc( alloc_size, alignment, boundary, NULL );
puts( "\tcheck if alignment will be set to page size if only a boundary is given" );
alloc_size = 1;
boundary = 1;
alignment = 0;
p1 = test_init_and_alloc_simple( alloc_size, alignment, boundary );
alignment = test_page_size();
test_init_and_alloc( alloc_size, alignment, boundary, p1 );
puts( "\tcreate a block which is bigger then the first free space" );
alignment = 0;
boundary = 0;
alloc_size = test_page_size();
p1 = test_init_and_alloc_simple( alloc_size, alignment, boundary );
p2 = test_alloc_simple( alloc_size, alignment, boundary );
rtems_test_assert( p2 );
test_free( p1 );
alloc_size = 2 * alloc_size;
p3 = test_alloc_simple( alloc_size, alignment, boundary );
rtems_test_assert( p1 != p3 );
puts( "\tset boundary before allocation begin" );
alloc_size = 1;
alignment = 0;
boundary = last_alloc_begin - test_page_size();
p1 = test_init_and_alloc_simple( alloc_size, alignment, boundary );
rtems_test_assert( (uintptr_t ) p1 >= boundary );
puts( "\tset boundary between allocation begin and end" );
alloc_size = test_page_size();
alignment = 0;
boundary = last_alloc_begin - alloc_size / 2;
p1 = test_init_and_alloc_simple( alloc_size, alignment, boundary );
rtems_test_assert( (uintptr_t ) p1 + alloc_size <= boundary );
puts( "\tset boundary after allocation end" );
alloc_size = 1;
alignment = 0;
boundary = last_alloc_begin;
p1 = test_init_and_alloc_simple( alloc_size, alignment, boundary );
rtems_test_assert( (uintptr_t ) p1 + alloc_size < boundary );
puts( "\tset boundary on allocation end" );
alloc_size = TEST_DEFAULT_PAGE_SIZE - HEAP_BLOCK_HEADER_SIZE;
alignment = 0;
boundary = last_block_begin;
p1 = (void *) (last_alloc_begin - TEST_DEFAULT_PAGE_SIZE);
test_init_and_alloc( alloc_size, alignment, boundary, p1);
puts( "\talign the allocation to different positions in the block header" );
page_size = sizeof(uintptr_t);
alloc_size = 1;
boundary = 0;
test_heap_init( page_size );
/* Force the page size to a small enough value */
TestHeap.page_size = page_size;
alignment = first_page_begin - sizeof(uintptr_t);
p1 = test_alloc( alloc_size, alignment, boundary, NULL );
first_page_begin = ((uintptr_t) TestHeap.first_block ) + HEAP_BLOCK_HEADER_SIZE;
alignment = first_page_begin + sizeof(uintptr_t);
p1 = test_alloc( alloc_size, alignment, boundary, NULL );
first_page_begin = ((uintptr_t) TestHeap.first_block )
+ HEAP_BLOCK_HEADER_SIZE;
alignment = first_page_begin;
p1 = test_alloc_simple( alloc_size, alignment, boundary );
puts( "\tallocate last block with different boundarys" );
page_size = TEST_DEFAULT_PAGE_SIZE;
test_heap_init( page_size );
previous_last_block_begin = ((uintptr_t) TestHeap.last_block )
- TestHeap.min_block_size;
previous_last_page_begin = previous_last_block_begin
+ HEAP_BLOCK_HEADER_SIZE;
alloc_size = TestHeap.page_size - HEAP_BLOCK_HEADER_SIZE;
alignment = sizeof(uintptr_t);
boundary = 0;
p1 = test_alloc( alloc_size, alignment, boundary, (void *) (previous_last_page_begin + sizeof(uintptr_t)));
test_heap_init( page_size );
boundary = ((uintptr_t) TestHeap.last_block );
p1 = test_alloc( alloc_size, alignment, boundary, (void *) previous_last_page_begin );
puts( "\tbreak the boundaries and aligns more than one time" );
page_size = CPU_ALIGNMENT * 20;
alloc_size = page_size / 4;
alignment = page_size / 5;
boundary = page_size / 4;
test_heap_init( page_size );
p1 = (void *) (_Heap_Alloc_area_of_block( TestHeap.last_block ) - page_size );
test_alloc( alloc_size, alignment, boundary, p1);
puts( "\tdifferent combinations, so that there is no valid block at the end" );
page_size = sizeof(uintptr_t);
test_heap_init( 0 );
/* Force the page size to a small enough value */
TestHeap.page_size = page_size;
alloc_size = 1;
alignment = (uintptr_t) TestHeap.last_block;
boundary = 0;
p1 = test_alloc( alloc_size, alignment, boundary, NULL );
boundary = (uintptr_t) TestHeap.last_block;
p1 = test_alloc( alloc_size, alignment, boundary, NULL );
alloc_size = 0;
p1 = test_alloc( alloc_size, alignment, boundary, NULL );
alloc_size = 1;
alignment = sizeof(uintptr_t);
boundary = 0;
p1 = test_alloc_simple( alloc_size, alignment, boundary );
puts( "\ttry to create a block, which is not possible because of the alignment and boundary" );
alloc_size = 2;
boundary = _Heap_Alloc_area_of_block( TestHeap.first_block )
+ _Heap_Block_size( TestHeap.first_block ) / 2;
alignment = boundary - 1;
p1 = test_init_and_alloc( alloc_size, alignment, boundary, NULL );
alloc_size = 2;
alignment = _Heap_Alloc_area_of_block( TestHeap.first_block );
boundary = alignment + 1;
p1 = test_init_and_alloc( alloc_size, alignment, boundary, NULL );
}
static void test_heap_free(void)
{
Heap_Control *heap = &TestHeap;
void *p;
Heap_Block *block;
bool ok;
_Heap_Initialize( heap, &TestHeapMemory[0], sizeof(TestHeapMemory), 0 );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( p != NULL );
block = _Heap_Block_of_alloc_area( (uintptr_t) p, heap->page_size );
/*
* This will kick the next block outside of the heap area and the next
* _Heap_Free() will detect this.
*/
block->size_and_flag += sizeof(TestHeapMemory);
ok = _Heap_Free( heap, p );
rtems_test_assert( !ok );
}
static void *test_create_used_block( void )
{
uintptr_t const alloc_size = 3 * TEST_DEFAULT_PAGE_SIZE;
uintptr_t const alignment = 0;
uintptr_t const boundary = 0;
return test_alloc_simple( alloc_size, alignment, boundary );
}
static void test_block_alloc(
int free_variant,
int alloc_variant,
uintptr_t alloc_begin,
uintptr_t alloc_size
)
{
void *p1 = NULL;
void *p2 = NULL;
void *p3 = NULL;
uintptr_t size_fresh_heap = 0;
uintptr_t pages_per_default_block = 0;
uint32_t exp_free_pages = 0;
uint32_t exp_free_blocks = 0;
uint32_t exp_used_blocks = 0;
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
size_fresh_heap = _Heap_Get_size( &TestHeap );
exp_free_pages = size_fresh_heap / TestHeap.page_size;
p1 = test_create_used_block();
p2 = test_create_used_block();
p3 = test_create_used_block();
pages_per_default_block = _Heap_Block_size(
_Heap_Block_of_alloc_area( (uintptr_t) p1, TestHeap.page_size )
) / TestHeap.page_size;
if (free_variant == 1) {
test_free( p1 );
} else if (free_variant == 2) {
test_free( p3 );
} else if (free_variant == 3) {
test_free( p2 );
test_free( p3 );
}
_Heap_Block_allocate(
&TestHeap,
_Heap_Block_of_alloc_area( (uintptr_t) p2, test_page_size()),
alloc_begin,
alloc_size
);
test_check_alloc_simple( (void *) alloc_begin, alloc_size, 0, 0 );
/* check statistics */
switch( free_variant ) {
case 1:
exp_free_pages = exp_free_pages - 2 * pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 2;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 3;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages + pages_per_default_block - 2;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 3;
break;
}
break;
case 2:
exp_free_pages = exp_free_pages - 2 * pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 2;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
exp_free_blocks = 1;
break;
}
break;
case 3:
exp_free_pages = exp_free_pages - pages_per_default_block;
exp_used_blocks = 2;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_pages = exp_free_pages - pages_per_default_block;
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_pages = exp_free_pages - 1;
exp_free_blocks = 2;
break;
case 3:
/* allocate block at the end */
exp_free_pages = exp_free_pages - 2;
exp_free_blocks = 2;
break;
default:
/* allocate block at the beginning */
exp_free_pages = exp_free_pages - 1;
exp_free_blocks = 1;
break;
}
break;
default:
exp_free_pages = exp_free_pages - 3 * pages_per_default_block;
exp_used_blocks = 3;
switch( alloc_variant ) {
case 1:
/* allocate block full space */
exp_free_blocks = 1;
break;
case 2:
/* allocate block in the middle */
exp_free_blocks = 3;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
break;
case 3:
/* allocate block at the end */
exp_free_blocks = 2;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
break;
default:
/* allocate block at the beginning */
exp_free_blocks = 2;
exp_free_pages = exp_free_pages + pages_per_default_block - 1;
}
}
rtems_test_assert( TestHeap.stats.free_size == exp_free_pages * TestHeap.page_size );
rtems_test_assert( TestHeap.stats.free_blocks == exp_free_blocks );
rtems_test_assert( TestHeap.stats.used_blocks == exp_used_blocks );
}
static void test_heap_do_block_allocate( int variant, void *p2 )
{
Heap_Block *const block =
_Heap_Block_of_alloc_area( (uintptr_t) p2, test_page_size());
uintptr_t const alloc_box_begin = _Heap_Alloc_area_of_block( block );
uintptr_t const alloc_box_size = _Heap_Block_size( block );
uintptr_t const alloc_box_end = alloc_box_begin + alloc_box_size;
uintptr_t alloc_begin = 0;
uintptr_t alloc_size = 0;
puts( "\tallocate block at the beginning");
alloc_begin = alloc_box_begin;
alloc_size = 0;
test_block_alloc( variant, 0, alloc_begin, alloc_size );
puts( "\tallocate block full space");
alloc_begin = alloc_box_begin;
alloc_size = alloc_box_size + HEAP_ALLOC_BONUS
- HEAP_BLOCK_HEADER_SIZE;
test_block_alloc( variant, 1, alloc_begin, alloc_size );
puts( "\tallocate block in the middle");
alloc_begin = alloc_box_begin + TEST_DEFAULT_PAGE_SIZE;
alloc_size = 0;
test_block_alloc( variant, 2, alloc_begin, alloc_size );
puts( "\tallocate block at the end");
alloc_begin = alloc_box_end - TEST_DEFAULT_PAGE_SIZE;
alloc_size = TEST_DEFAULT_PAGE_SIZE + HEAP_ALLOC_BONUS
- HEAP_BLOCK_HEADER_SIZE;
test_block_alloc( variant, 3, alloc_begin, alloc_size );
}
static void test_heap_block_allocate( void )
{
void *p2 = NULL;
puts( "run tests for _Heap_Block_allocate()" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
test_create_used_block();
p2 = test_create_used_block();
test_heap_do_block_allocate( 0, p2 );
test_heap_do_block_allocate( 1, p2 );
test_heap_do_block_allocate( 2, p2 );
test_heap_do_block_allocate( 3, p2 );
}
static void *test_alloc_one_page(void)
{
void *alloc_begin_ptr = _Heap_Allocate_aligned_with_boundary(
&TestHeap,
1,
0,
0
);
test_check_alloc_simple(
alloc_begin_ptr,
1,
0,
0
);
rtems_test_assert( alloc_begin_ptr != NULL );
return alloc_begin_ptr;
}
static void *test_alloc_two_pages(void)
{
void *alloc_begin_ptr = _Heap_Allocate_aligned_with_boundary(
&TestHeap,
3 * TestHeap.page_size / 2,
0,
0
);
test_check_alloc_simple(
alloc_begin_ptr,
3 * TestHeap.page_size / 2,
0,
0
);
rtems_test_assert( alloc_begin_ptr != NULL );
return alloc_begin_ptr;
}
static void test_simple_resize_block(
void *alloc_pointer,
uintptr_t new_alloc_size,
Heap_Resize_status expected_status
)
{
uintptr_t old_size = 0;
uintptr_t new_size = 0;
Heap_Resize_status status = _Heap_Resize_block(
&TestHeap,
alloc_pointer,
new_alloc_size,
&old_size,
&new_size
);
rtems_test_assert( status == expected_status );
}
static void test_heap_resize_block(void)
{
void *p1, *p2, *p3;
uintptr_t new_alloc_size = 0;
Heap_Block *block = NULL;
puts( "run tests for _Heap_Resize_Block()" );
puts( "\tgive a block outside the heap to the function" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = TestHeap.first_block - TEST_DEFAULT_PAGE_SIZE;
new_alloc_size = 1;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_FATAL_ERROR );
puts( "\tincrease size");
puts( "\t\tlet the next block be used alredy and try to get a size bigger than the actual block" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_one_page();
rtems_test_assert( p1 );
p2 = test_alloc_one_page();
rtems_test_assert( p2 );
new_alloc_size = 3 * TEST_DEFAULT_PAGE_SIZE / 2;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_UNSATISFIED );
puts( "\t\tnext block not used and try to set the new allocation size between the page-alignments" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_one_page();
new_alloc_size = 3 * TEST_DEFAULT_PAGE_SIZE / 2;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_SUCCESSFUL );
puts( "\t\tlet the block after the next be used and try to allocate more then one pagesize more" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_one_page();
rtems_test_assert( p1 );
p2 = test_alloc_one_page();
rtems_test_assert( p2 );
p3 = test_alloc_one_page();
rtems_test_assert( p3 );
test_free( p2 );
new_alloc_size = 5 * TEST_DEFAULT_PAGE_SIZE / 2;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_UNSATISFIED );
puts( "\ttry to resize to the same size" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_one_page();
block = _Heap_Block_of_alloc_area( (uintptr_t) p1, TestHeap.page_size );
new_alloc_size = _Heap_Block_size( block );
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_SUCCESSFUL );
puts( "\tdecrease size");
puts( "\t\tdecrease a block with two pages to one page" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_two_pages();
new_alloc_size = 1;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_SUCCESSFUL );
puts( "\t\tresize the block to the size 0" );
test_heap_init( TEST_DEFAULT_PAGE_SIZE );
p1 = test_alloc_one_page();
new_alloc_size = 0;
test_simple_resize_block( p1, new_alloc_size, HEAP_RESIZE_SUCCESSFUL );
}
static void test_heap_assert(bool ret, bool expected)
{
rtems_test_assert( ret == expected );
rtems_test_assert( _Heap_Walk( &TestHeap, 0, false ) );
}
static void test_heap_extend(void)
{
bool ret = false;
Heap_Control *heap = &TestHeap;
uint8_t *area_begin = TestHeapMemory;
uint8_t *sub_area_begin;
uint8_t *sub_area_end;
_Heap_Initialize( heap, area_begin + 768, 256, 0 );
sub_area_begin = (uint8_t *) heap->first_block;
sub_area_end = (uint8_t *) heap->first_block->prev_size;
puts( "heap extend - link below" );
ret = _Protected_heap_Extend( heap, area_begin + 0, 256 );
test_heap_assert( ret, true );
puts( "heap extend - merge below overlap" );
ret = _Protected_heap_Extend( heap, sub_area_begin - 128, 256 );
test_heap_assert( ret, false );
puts( "heap extend - merge below" );
ret = _Protected_heap_Extend( heap, sub_area_begin - 256, 256 );
test_heap_assert( ret, true );
puts( "heap extend - merge above overlap" );
ret = _Protected_heap_Extend( heap, sub_area_end - 128, 256 );
test_heap_assert( ret, false );
puts( "heap extend - merge above" );
ret = _Protected_heap_Extend( heap, sub_area_end, 256 );
test_heap_assert( ret, true );
puts( "heap extend - link above" );
ret = _Protected_heap_Extend( heap, area_begin + 1536, 256 );
test_heap_assert( ret, true );
puts( "heap extend - area too small" );
ret = _Protected_heap_Extend( heap, area_begin + 2048, 0 );
test_heap_assert( ret, false );
puts( "heap extend - invalid area" );
ret = _Protected_heap_Extend( heap, (void *) -1, 2 );
test_heap_assert( ret, false );
area_begin = (uint8_t *) (((uintptr_t) area_begin) | 1);
_Heap_Initialize( heap, area_begin + 768, 256, 0 );
puts( "heap extend - merge below with align up" );
ret = _Protected_heap_Extend( heap, area_begin + 512, 256 );
test_heap_assert( ret, true );
}
static void test_heap_extend_allocation_order(void)
{
Heap_Control *heap = &TestHeap;
uintptr_t size = 256;
uintptr_t gap = 256;
uint8_t *init_area_begin = TestHeapMemory;
uint8_t *extend_area_begin = init_area_begin + size + gap;
bool ret;
uint8_t *p;
_Heap_Initialize( heap, init_area_begin, size, 0 );
ret = _Protected_heap_Extend( heap, extend_area_begin, size );
test_heap_assert( ret, true );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( (uintptr_t) (p - init_area_begin) < size );
}
static void test_heap_extend_allocation_order_with_empty_heap(void)
{
Heap_Control *heap = &TestHeap;
uintptr_t size = 256;
uintptr_t gap = 256;
uint8_t *init_area_begin = TestHeapMemory;
uint8_t *extend_area_begin = init_area_begin + size + gap;
bool ret;
uint8_t *p;
_Heap_Initialize( heap, init_area_begin, size, 0 );
_Heap_Greedy_allocate( heap, NULL, 0 );
ret = _Protected_heap_Extend( heap, extend_area_begin, size );
test_heap_assert( ret, true );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( (uintptr_t) (p - extend_area_begin) < size );
}
static void test_heap_no_extend(void)
{
uintptr_t extended_space = _Heap_No_extend( NULL, 0, 0, 0 );
rtems_test_assert( extended_space == 0 );
}
static void free_all_delayed_blocks( void )
{
rtems_resource_snapshot unused;
rtems_resource_snapshot_take( &unused );
}
static void do_free( void *p )
{
free( p );
free_all_delayed_blocks();
}
static void test_heap_info(void)
{
size_t s1, s2;
void *p1;
int sc;
Heap_Information_block the_info;
free_all_delayed_blocks();
s1 = malloc_free_space();
p1 = malloc( 512 );
s2 = malloc_free_space();
puts( "malloc_free_space - check malloc space drops after malloc" );
rtems_test_assert( s1 );
rtems_test_assert( s2 );
rtems_test_assert( s2 <= s1 );
do_free( p1 );
puts( "malloc_free_space - verify free space returns to previous value" );
s2 = malloc_free_space();
rtems_test_assert( s1 == s2 );
puts( "malloc_info - called with NULL\n" );
sc = malloc_info( NULL );
rtems_test_assert( sc == -1 );
puts( "malloc_info - check free space drops after malloc" );
sc = malloc_info( &the_info );
rtems_test_assert( sc == 0 );
s1 = the_info.Free.largest;
p1 = malloc( 512 );
sc = malloc_info( &the_info );
rtems_test_assert( sc == 0 );
s2 = the_info.Free.largest;
rtems_test_assert( s1 );
rtems_test_assert( s2 );
rtems_test_assert( s2 <= s1 );
do_free( p1 );
puts( "malloc_info - verify free space returns to previous value" );
sc = malloc_info( &the_info );
rtems_test_assert( sc == 0 );
rtems_test_assert( s1 == the_info.Free.largest );
}
static void test_protected_heap_info(void)
{
Heap_Control heap;
Heap_Information_block info;
bool rc;
puts( "_Protected_heap_Get_information - NULL heap" );
rc = _Protected_heap_Get_information( NULL, &info );
rtems_test_assert( rc == false );
puts( "_Protected_heap_Get_information - NULL info" );
rc = _Protected_heap_Get_information( &heap, NULL );
rtems_test_assert( rc == false );
}
static void test_rtems_heap_allocate_aligned_with_boundary(void)
{
void *p = NULL;
p = rtems_heap_allocate_aligned_with_boundary(1, 1, 1);
rtems_test_assert( p != NULL );
free(p);
_Thread_Dispatch_disable();
p = rtems_heap_allocate_aligned_with_boundary(1, 1, 1);
_Thread_Dispatch_enable( _Per_CPU_Get() );
rtems_test_assert( p == NULL );
}
static void test_heap_size_with_overhead(void)
{
uintptr_t s;
puts( "_Heap_Size_with_overhead" );
s = _Heap_Size_with_overhead(0, 0, 0);
rtems_test_assert(s == HEAP_BLOCK_HEADER_SIZE + CPU_ALIGNMENT - 1);
s = _Heap_Size_with_overhead(CPU_ALIGNMENT, 0, 0);
rtems_test_assert(s == HEAP_BLOCK_HEADER_SIZE + CPU_ALIGNMENT - 1);
s = _Heap_Size_with_overhead(CPU_ALIGNMENT, 0, 2 * CPU_ALIGNMENT);
rtems_test_assert(s == HEAP_BLOCK_HEADER_SIZE + 2 * CPU_ALIGNMENT - 1);
s = _Heap_Size_with_overhead(CPU_ALIGNMENT, 123, 0);
rtems_test_assert(s == HEAP_BLOCK_HEADER_SIZE + CPU_ALIGNMENT - 1 + 123);
}
/*
* A simple test of posix_memalign
*/
static void test_posix_memalign(void)
{
void *p1;
int i;
int sc;
int maximumShift;
/*
* posix_memalign() is declared as never having a NULL first parameter.
* We need to explicitly disable this compiler warning to make this code
* warning free.
*/
COMPILER_DIAGNOSTIC_SETTINGS_PUSH
COMPILER_DIAGNOSTIC_SETTINGS_DISABLE_NONNULL
puts( "posix_memalign - NULL return pointer -- EINVAL" );
sc = posix_memalign( NULL, 32, 8 );
fatal_posix_service_status( sc, EINVAL, "posix_memalign NULL pointer" );
COMPILER_DIAGNOSTIC_SETTINGS_POP
puts( "posix_memalign - alignment of 0 -- EINVAL" );
sc = posix_memalign( &p1, 0, 8 );
fatal_posix_service_status( sc, EINVAL, "posix_memalign alignment of 0" );
puts( "posix_memalign - alignment of 2-- EINVAL" );
sc = posix_memalign( &p1, 2, 8 );
fatal_posix_service_status( sc, EINVAL, "posix_memalign alignment of 2" );
maximumShift = (sizeof(size_t) * CHAR_BIT) - 1;
for ( i=sizeof(void *) ; i<maximumShift ; i++ ) {
size_t alignment = 1 << i;
p1 = NULL; /* Initialize p1 to aovid used uninitialized */
printf( "posix_memalign - alignment of %zd -- OK\n", alignment);
sc = posix_memalign( &p1, alignment, 8 );
if ( sc == ENOMEM ) {
printf( "posix_memalign - ran out of memory trying %zd\n", alignment );
break;
}
posix_service_failed( sc, "posix_memalign alignment OK" );
free( p1 );
}
for ( ; i<maximumShift ; i++ ) {
size_t alignment = 1 << i;
printf( "posix_memalign - alignment of %zd -- SKIPPED\n", alignment);
}
}
static void test_greedy_allocate(void)
{
Heap_Control *heap = &TestHeap;
uintptr_t block_size = 1;
void *p;
_Heap_Initialize( heap, &TestHeapMemory[0], sizeof(TestHeapMemory), 0 );
_Heap_Greedy_allocate( heap, &block_size, 1 );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( p != NULL );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( p == NULL );
/* The internal allocation fails */
_Heap_Greedy_allocate( heap, &block_size, 1 );
p = _Heap_Allocate( heap, 1 );
rtems_test_assert( p == NULL );
}
rtems_task Init(
rtems_task_argument argument
)
{
void *p1;
rtems_time_of_day time;
rtems_status_code status;
TEST_BEGIN();
build_time( &time, 12, 31, 1988, 9, 0, 0, 0 );
status = rtems_clock_set( &time );
directive_failed( status, "rtems_clock_set" );
/*
* Verify case where block is too large to calloc.
*/
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Walloc-size-larger-than=N"
p1 = calloc( 1, SIZE_MAX );
#pragma GCC diagnostic pop
if (p1) {
printf("ERROR on attempt to calloc SIZE_MAX block expected failure.");
free( p1 );
}
/*
* Verify error case where malloc of size 0.
*/
p1 = malloc( 0 );
if (p1) {
printf("ERROR on attempt to malloc size 0 block expected failure.");
free( p1 );
}
test_heap_initialize();
test_heap_block_allocate();
test_heap_allocate();
test_heap_free();
test_heap_resize_block();
test_realloc();
test_heap_cases_1();
test_heap_extend();
test_heap_extend_allocation_order();
test_heap_extend_allocation_order_with_empty_heap();
test_heap_no_extend();
test_heap_info();
test_heap_size_with_overhead();
test_protected_heap_info();
test_rtems_heap_allocate_aligned_with_boundary();
test_greedy_allocate();
test_posix_memalign();
Task_name[ 1 ] = rtems_build_name( 'T', 'A', '1', ' ' );
Task_name[ 2 ] = rtems_build_name( 'T', 'A', '2', ' ' );
Task_name[ 3 ] = rtems_build_name( 'T', 'A', '3', ' ' );
Task_name[ 4 ] = rtems_build_name( 'T', 'A', '4', ' ' );
Task_name[ 5 ] = rtems_build_name( 'T', 'A', '5', ' ' );
status = rtems_task_create(
Task_name[ 1 ],
1,
TASK_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT,
&Task_id[ 1 ]
);
directive_failed( status, "rtems_task_create of TA1" );
status = rtems_task_create(
Task_name[ 2 ],
1,
TASK_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT,
&Task_id[ 2 ]
);
directive_failed( status, "rtems_task_create of TA2" );
status = rtems_task_create(
Task_name[ 3 ],
1,
TASK_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT,
&Task_id[ 3 ]
);
directive_failed( status, "rtems_task_create of TA3" );
status = rtems_task_create(
Task_name[ 4 ],
1,
TASK_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT,
&Task_id[ 4 ]
);
directive_failed( status, "rtems_task_create of TA4" );
status = rtems_task_create(
Task_name[ 5 ],
1,
TASK_STACK_SIZE,
RTEMS_DEFAULT_MODES,
RTEMS_DEFAULT_ATTRIBUTES | RTEMS_FLOATING_POINT,
&Task_id[ 5 ]
);
directive_failed( status, "rtems_task_create of TA5" );
status = rtems_task_start( Task_id[ 1 ], Task_1_through_5, 0 );
directive_failed( status, "rtems_task_start of TA1" );
status = rtems_task_start( Task_id[ 2 ], Task_1_through_5, 0 );
directive_failed( status, "rtems_task_start of TA2" );
status = rtems_task_start( Task_id[ 3 ], Task_1_through_5, 0 );
directive_failed( status, "rtems_task_start of TA3" );
status = rtems_task_start( Task_id[ 4 ], Task_1_through_5, 0 );
directive_failed( status, "rtems_task_start of TA4" );
status = rtems_task_start( Task_id[ 5 ], Task_1_through_5, 0 );
directive_failed( status, "rtems_task_start of TA5" );
status = rtems_task_delete( RTEMS_SELF );
directive_failed( status, "rtems_task_delete of RTEMS_SELF" );
}
static void test_early_malloc( void )
{
void *p;
char *q;
void *r;
void *s;
void *t;
p = malloc( 1 );
rtems_test_assert( p != NULL );
free( p );
q = calloc( 1, 1 );
rtems_test_assert( q != NULL );
rtems_test_assert( p != q );
rtems_test_assert( q[0] == 0 );
free( q );
r = realloc( q, 128 );
rtems_test_assert( r == q );
s = malloc( 1 );
rtems_test_assert( s != NULL );
free( s );
t = realloc( r, 256 );
rtems_test_assert( t != NULL );
rtems_test_assert( t != r );
free( t );
}
RTEMS_SYSINIT_ITEM(
test_early_malloc,
RTEMS_SYSINIT_INITIAL_EXTENSIONS,
RTEMS_SYSINIT_ORDER_FIRST
);
