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Added debugging

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This commit is contained in:
Michael Brown
2005-05-13 11:24:02 +00:00
parent 42250e9b1a
commit 59a1662978
1 changed files with 11 additions and 0 deletions
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11
src/core/heap.c
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@@ -76,6 +76,7 @@ static void init_heap ( void ) {
} }
ASSERT ( size != 0 ); ASSERT ( size != 0 );
DBG ( "HEAP using region [%x,%x)\n", heap_start, heap_end );
heap_ptr = heap_end; heap_ptr = heap_end;
} }
@@ -92,11 +93,15 @@ void * emalloc ( size_t size, unsigned int align ) {
addr = ( ( ( heap_ptr - size ) & ~( align - 1 ) ) addr = ( ( ( heap_ptr - size ) & ~( align - 1 ) )
- sizeof ( struct heap_block ) ); - sizeof ( struct heap_block ) );
if ( addr < heap_start ) { if ( addr < heap_start ) {
DBG ( "HEAP no space for %x bytes (alignment %d) in [%x,%x)\n",
size, align, heap_start, heap_ptr );
return NULL; return NULL;
} }
block = phys_to_virt ( addr ); block = phys_to_virt ( addr );
block->size = ( heap_ptr - addr ); block->size = ( heap_ptr - addr );
DBG ( "HEAP allocated %x bytes (alignment %d) at %x [%x,%x)\n",
size, align, virt_to_phys ( block->data ), addr, heap_ptr );
heap_ptr = addr; heap_ptr = addr;
return block->data; return block->data;
} }
@@ -123,6 +128,9 @@ void efree ( void *ptr ) {
( ptr - offsetof ( struct heap_block, data ) ); ( ptr - offsetof ( struct heap_block, data ) );
heap_ptr += block->size; heap_ptr += block->size;
DBG ( "HEAP freed %x [%x,%x)\n", virt_to_phys ( ptr ),
virt_to_phys ( block ), heap_ptr );
ASSERT ( heap_ptr <= heap_end ); ASSERT ( heap_ptr <= heap_end );
} }
@@ -131,6 +139,9 @@ void efree ( void *ptr ) {
* *
*/ */
void efree_all ( void ) { void efree_all ( void ) {
DBG ( "HEAP discarding allocated blocks in [%x,%x)\n",
heap_ptr, heap_end );
heap_ptr = heap_end; heap_ptr = heap_end;
} }