#ifndef _GENCGC_H_
#define _GENCGC_H_
+#include "genesis/code.h"
+
void gc_free_heap(void);
inline int find_page_index(void *);
inline void *page_address(int);
write_protected :1,
/* This flag is set when the above write_protected flag is
* cleared by the SIGBUS handler (or SIGSEGV handler, for some
- * OSes). This is useful for * re-scavenging pages that are
+ * OSes). This is useful for re-scavenging pages that are
* written during a GC. */
write_protected_cleared :1,
/* the region the page is allocated to: 0 for a free page; 1
#define FREE_PAGE 0
#define BOXED_PAGE 1
#define UNBOXED_PAGE 2
+
+/* values for the *_alloc_* parameters */
+#define ALLOC_BOXED 0
+#define ALLOC_UNBOXED 1
+#define ALLOC_QUICK 1
+
\f
/* the number of pages needed for the dynamic space - rounding up */
#define NUM_PAGES ((DYNAMIC_SPACE_SIZE+4095)/4096)
extern struct page page_table[NUM_PAGES];
\f
-/* Abstract out the data for an allocation region allowing a single
- * routine to be used for allocation and closing. */
-struct alloc_region {
-
- /* These two are needed for quick allocation. */
- void *free_pointer;
- void *end_addr; /* pointer to the byte after the last usable byte */
-
- /* These are needed when closing the region. */
- int first_page;
- int last_page;
- void *start_addr;
-};
-
-extern struct alloc_region boxed_region;
-extern struct alloc_region unboxed_region;
\f
void gencgc_pickup_dynamic(void);
int update_x86_dynamic_space_free_pointer(void);
void gc_alloc_update_page_tables(int unboxed,
struct alloc_region *alloc_region);
-
-#endif _GENCGC_H_
+void gc_alloc_update_all_page_tables(void);
+void gc_set_region_empty(struct alloc_region *region);
+#endif /* _GENCGC_H_ */