X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;ds=sidebyside;f=src%2Fruntime%2Fgencgc-internal.h;h=eaa789849a3b24ca7e48959b95a070d9751c19fd;hb=c3699db2053ff3b5ac6a98d4431c3789496002d8;hp=18dc9fbdb1c47316827f4941577f377cf87706f5;hpb=1b64697e4e8a85ff8f11f5c05de71687dc5ad2e2;p=sbcl.git diff --git a/src/runtime/gencgc-internal.h b/src/runtime/gencgc-internal.h index 18dc9fb..eaa7898 100644 --- 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 { /* 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]; - -/* 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; -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)); }