X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fgc-internal.h;h=c9d1911246bbe365960783b906076228e5415728;hb=c2ac5ba3964165ee2d21ccd4c6bf8bdc48e1a165;hp=28d0efc8a052fff6491f382a64cd6d5ebe06627b;hpb=a6bda328d1a33a5ad328ec97bed83d5c49c530e0;p=sbcl.git diff --git a/src/runtime/gc-internal.h b/src/runtime/gc-internal.h index 28d0efc..c9d1911 100644 --- a/src/runtime/gc-internal.h +++ b/src/runtime/gc-internal.h @@ -16,23 +16,56 @@ #ifndef _GC_INTERNAL_H_ #define _GC_INTERNAL_H_ +#include + /* 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? */ -#define FUN_RAW_ADDR_OFFSET (6*sizeof(lispobj) - FUN_POINTER_LOWTAG) + +#if defined(LISP_FEATURE_SPARC) +#define FUN_RAW_ADDR_OFFSET 0 +#else +#define FUN_RAW_ADDR_OFFSET (offsetof(struct simple_fun, code) - FUN_POINTER_LOWTAG) +#endif /* values for the *_alloc_* parameters */ #define FREE_PAGE_FLAG 0 @@ -44,21 +77,33 @@ #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 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, 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" @@ -66,4 +111,10 @@ lispobj copy_object(lispobj object, int nwords); #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_ */