#include "genesis/code.h"
void gc_free_heap(void);
-inline page_index_t find_page_index(void *);
-inline void *page_address(page_index_t);
+extern page_index_t find_page_index(void *);
+extern void *page_address(page_index_t);
int gencgc_handle_wp_violation(void *);
\f
+#if GENCGC_CARD_BYTES > USHRT_MAX
+# if GENCGC_CARD_BYTES > UINT_MAX
+# error "GENCGC_CARD_BYTES unexpectedly large."
+# else
+# define PAGE_BYTES_FMT "u"
+ typedef unsigned int page_bytes_t;
+# endif
+#else
+# define PAGE_BYTES_FMT "hu"
+ typedef unsigned short page_bytes_t;
+#endif
+
/* Note that this structure is also used from Lisp-side in
* src/code/room.lisp, and the Lisp-side structure layout is currently
* not groveled from C code but hardcoded. Any changes to the
/* This is the offset from the start of the page to the start of
* the alloc_region which contains/contained it.
*/
- unsigned long region_start_offset;
+ os_vm_size_t region_start_offset;
/* the number of bytes of this page that are used. This may be less
* than the actual bytes used for pages within the current
* allocation regions. It should be 0 for all unallocated pages (not
* hard to achieve).
*/
-#if PAGE_BYTES > USHRT_MAX
- unsigned int bytes_used;
-#else
- unsigned short bytes_used;
-#endif
+ page_bytes_t bytes_used;
unsigned
/* This is set when the page is write-protected. This should
* set. No other objects should be allocated to these pages.
* This is only valid when the page is allocated. */
large_object :1,
- /* True if the page is known to contain only zeroes. */
+ /* Cleared if the page is known to contain only zeroes. */
need_to_zero :1;
/* the generation that this page belongs to. This should be valid
\f
/* forward declarations */
-void sniff_code_object(struct code *code, unsigned long displacement);
+void sniff_code_object(struct code *code, os_vm_size_t displacement);
void gencgc_apply_code_fixups(struct code *old_code, struct code *new_code);
-long update_dynamic_space_free_pointer(void);
+sword_t update_dynamic_space_free_pointer(void);
void gc_alloc_update_page_tables(int page_type_flag, struct alloc_region *alloc_region);
void gc_alloc_update_all_page_tables(void);
void gc_set_region_empty(struct alloc_region *region);
{
if (obj >= DYNAMIC_SPACE_START) {
page_index_t page_index=((pointer_sized_uint_t)obj
- - DYNAMIC_SPACE_START) / PAGE_BYTES;
+ - DYNAMIC_SPACE_START) / GENCGC_CARD_BYTES;
return ((page_index < page_table_pages) &&
(page_table[page_index].gen == space));
} else {