Added debugging

diff --git a/src/core/heap.c b/src/core/heap.c
index 26b25a431ceff5ca74a77594f022cd772a5d5f9c..644e515e04c3861f95ce19d2890fda22f29e8627 100644 (file)
--- a/src/core/heap.c
+++ b/src/core/heap.c
@@ -76,6 +76,7 @@ static void init_heap ( void ) {
        }
 
        ASSERT ( size != 0 );
+       DBG ( "HEAP using region [%x,%x)\n", heap_start, heap_end );
        heap_ptr = heap_end;
 }
 
@@ -92,11 +93,15 @@ void * emalloc ( size_t size, unsigned int align ) {
        addr = ( ( ( heap_ptr - size ) & ~( align - 1 ) )
                 - sizeof ( struct heap_block ) );
        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;
        }
 
        block = phys_to_virt ( 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;
        return block->data;
 }
@@ -123,6 +128,9 @@ void efree ( void *ptr ) {
                ( ptr - offsetof ( struct heap_block, data ) );
        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 );
 }
 
@@ -131,6 +139,9 @@ void efree ( void *ptr ) {
  *
  */
 void efree_all ( void ) {
+       DBG ( "HEAP discarding allocated blocks in [%x,%x)\n",
+             heap_ptr, heap_end );
+
        heap_ptr = heap_end;
 }