#ifndef _GC_INTERNAL_H_
#define _GC_INTERNAL_H_
+/* disabling gc assertions made no discernable difference to GC speed,
+ * last I tried it - dan 2003.12.21 */
#if 1
-#define gc_assert(ex) do { \
- if (!(ex)) gc_abort(); \
+# define gc_assert(ex) \
+do { \
+ if (!(ex)) gc_abort(); \
+} while (0)
+# define gc_assert_verbose(ex, fmt, ...) \
+do { \
+ if (!(ex)) { \
+ fprintf(stderr, fmt, ## __VA_ARGS__); \
+ gc_abort(); \
+ } \
} while (0)
#else
-#define gc_assert(ex)
+# define gc_assert(ex)
+# define gc_assert_verbose(ex, fmt, ...)
#endif
-#define gc_abort() lose("GC invariant lost, file \"%s\", line %d", \
- __FILE__, __LINE__)
+
+#define gc_abort() \
+ lose("GC invariant lost, file \"%s\", line %d\n", __FILE__, __LINE__)
#define CEILING(x,y) (((x) + ((y) - 1)) & (~((y) - 1)))
-#define NWORDS(x,y) (CEILING((x),(y)) / (y))
+
+static inline unsigned long
+NWORDS(unsigned long x, unsigned long n_bits)
+{
+ /* A good compiler should be able to constant-fold this whole thing,
+ even with the conditional. */
+ if(n_bits <= N_WORD_BITS) {
+ unsigned long elements_per_word = N_WORD_BITS/n_bits;
+
+ return CEILING(x, elements_per_word)/elements_per_word;
+ }
+ else {
+ /* FIXME: should have some sort of assertion that N_WORD_BITS
+ evenly divides n_bits */
+ return x * (n_bits/N_WORD_BITS);
+ }
+}
/* FIXME: Shouldn't this be defined in sbcl.h? */
+
+/* FIXME (1) this could probably be defined using something like
+ * sizeof(lispobj)*floor(sizeof(struct simple_fun)/sizeof(lispobj))
+ * - FUN_POINTER_LOWTAG
+ * as I'm reasonably sure that simple_fun->code must always be the
+ * last slot in the object
+
+ * FIXME (2) it also appears in purify.c, and it has a different value
+ * for SPARC users in that bit
+ */
+
+#if defined(LISP_FEATURE_SPARC)
+#define FUN_RAW_ADDR_OFFSET 0
+#else
#define FUN_RAW_ADDR_OFFSET (6*sizeof(lispobj) - FUN_POINTER_LOWTAG)
+#endif
/* values for the *_alloc_* parameters */
-#define FREE_PAGE 0
-#define BOXED_PAGE 1
-#define UNBOXED_PAGE 2
+#define FREE_PAGE_FLAG 0
+#define BOXED_PAGE_FLAG 1
+#define UNBOXED_PAGE_FLAG 2
+#define OPEN_REGION_PAGE_FLAG 4
#define ALLOC_BOXED 0
#define ALLOC_UNBOXED 1
#define ALLOC_QUICK 1
-void *gc_general_alloc(int nbytes,int unboxed_p,int quick_p);
+void *gc_general_alloc(long nbytes,int unboxed_p,int quick_p);
-extern int (*scavtab[256])(lispobj *where, lispobj object);
+extern long (*scavtab[256])(lispobj *where, lispobj object);
extern lispobj (*transother[256])(lispobj object);
-extern int (*sizetab[256])(lispobj *where);
+extern long (*sizetab[256])(lispobj *where);
extern struct weak_pointer *weak_pointers; /* in gc-common.c */
extern void scavenge(lispobj *start, long n_words);
+extern void scavenge_interrupt_contexts(void);
extern void scan_weak_pointers(void);
-lispobj copy_large_unboxed_object(lispobj object, int nwords);
-lispobj copy_unboxed_object(lispobj object, int nwords);
-lispobj copy_large_object(lispobj object, int nwords);
-lispobj copy_object(lispobj object, int nwords);
+lispobj copy_large_unboxed_object(lispobj object, long nwords);
+lispobj copy_unboxed_object(lispobj object, long nwords);
+lispobj copy_large_object(lispobj object, long nwords);
+lispobj copy_object(lispobj object, long nwords);
+
+lispobj *search_read_only_space(void *pointer);
+lispobj *search_static_space(void *pointer);
+lispobj *search_dynamic_space(void *pointer);
+
+lispobj *gc_search_space(lispobj *start, size_t words, lispobj *pointer);
+
+#include "fixnump.h"
#ifdef LISP_FEATURE_GENCGC
#include "gencgc-internal.h"