1.0.4.31: remove *internal-error-context*

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

diff --git a/src/runtime/gc-internal.h b/src/runtime/gc-internal.h
index 6645871..c9d1911 100644 (file)
--- a/src/runtime/gc-internal.h
+++ b/src/runtime/gc-internal.h
@@ -16,6 +16,8 @@
 #ifndef _GC_INTERNAL_H_
 #define _GC_INTERNAL_H_
 
+#include <genesis/simple-fun.h>
+
 /* disabling gc assertions made no discernable difference to GC speed,
  * last I tried it - dan 2003.12.21 */
 #if 1
@@ -59,20 +61,10 @@ NWORDS(unsigned long x, unsigned long n_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)
+#define FUN_RAW_ADDR_OFFSET (offsetof(struct simple_fun, code) - FUN_POINTER_LOWTAG)
 #endif
 
 /* values for the *_alloc_* parameters */
@@ -92,9 +84,12 @@ extern lispobj (*transother[256])(lispobj object);
 extern long (*sizetab[256])(lispobj *where);
 
 extern struct weak_pointer *weak_pointers; /* in gc-common.c */
+extern struct hash_table *weak_hash_tables; /* in gc-common.c */
 
 extern void scavenge(lispobj *start, long n_words);
 extern void scavenge_interrupt_contexts(void);
+extern void scav_weak_hash_tables(void);
+extern void scan_weak_hash_tables(void);
 extern void scan_weak_pointers(void);
 
 lispobj  copy_large_unboxed_object(lispobj object, long nwords);
@@ -116,4 +111,10 @@ lispobj *gc_search_space(lispobj *start, size_t words, lispobj *pointer);
 #include "cheneygc-internal.h"
 #endif
 
+#if N_WORD_BITS == 32
+# define SIMPLE_ARRAY_WORD_WIDETAG SIMPLE_ARRAY_UNSIGNED_BYTE_32_WIDETAG
+#elif N_WORD_BITS == 64
+# define SIMPLE_ARRAY_WORD_WIDETAG SIMPLE_ARRAY_UNSIGNED_BYTE_64_WIDETAG
+#endif
+
 #endif /* _GC_INTERNAL_H_ */