0.8.5.22:

[sbcl.git] / src / runtime / gencgc-internal.h

diff --git a/src/runtime/gencgc-internal.h b/src/runtime/gencgc-internal.h
index 18dc9fb..eaa7898 100644 (file)
--- a/src/runtime/gencgc-internal.h
+++ b/src/runtime/gencgc-internal.h
@@ -19,6 +19,15 @@
 #ifndef _GENCGC_INTERNAL_H_
 #define _GENCGC_INTERNAL_H_
 
+#include "gencgc-alloc-region.h"
+#include "genesis/code.h"
+
+/* Size of a page, in bytes. FIXME: needs to be conditionalized per
+ * architecture, preferably by someone with a clue as to what page
+ * sizes are on archs other than x86 and PPC - Patrik */
+#define PAGE_BYTES 4096
+
+
 void gc_free_heap(void);
 inline int find_page_index(void *);
 inline void *page_address(int);
@@ -42,7 +51,7 @@ struct page {
          * for boxed objects; 2 for unboxed objects. If the page is
          * free the following slots are invalid (well the bytes_used
          * must be 0). */
-       allocated :2,
+       allocated :3,
        /* If this page should not be moved during a GC then this flag
          * is set. It's only valid during a GC for allocated pages. */
        dont_move :1,
@@ -73,33 +82,10 @@ struct page {
 
 \f
 /* the number of pages needed for the dynamic space - rounding up */
-#define NUM_PAGES ((DYNAMIC_SPACE_SIZE+4095)/4096)
+#define NUM_PAGES ((DYNAMIC_SPACE_SIZE+PAGE_BYTES-1)/PAGE_BYTES)
 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;
-extern int from_space, new_space;
-extern struct weak_pointer *weak_pointers;
-
-extern void *current_region_free_pointer;
-extern void *current_region_end_addr;
 
 \f
-void  gencgc_pickup_dynamic(void);
 
 void sniff_code_object(struct code *code, unsigned displacement);
 void gencgc_apply_code_fixups(struct code *old_code, struct code *new_code);
@@ -115,7 +101,8 @@ space_matches_p(lispobj obj, int space)
 {
     int page_index=(void*)obj - (void *)DYNAMIC_SPACE_START;
     return ((page_index >= 0)
-           && ((page_index = ((unsigned int)page_index)/4096) < NUM_PAGES)
+           && ((page_index =
+                ((unsigned int)page_index)/PAGE_BYTES) < NUM_PAGES)
            && (page_table[page_index].gen == space));
 }