X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fgencgc-internal.h;h=b9966e70ead87154dd7eccc6701f8175eb61a0db;hb=905a0fc4c21ff6c8c752b9436e0616b868f1dfcc;hp=eaa789849a3b24ca7e48959b95a070d9751c19fd;hpb=b85552a9ed94019afd70b11b069f3c9b0afdaaa8;p=sbcl.git diff --git a/src/runtime/gencgc-internal.h b/src/runtime/gencgc-internal.h index eaa7898..b9966e7 100644 --- a/src/runtime/gencgc-internal.h +++ b/src/runtime/gencgc-internal.h @@ -29,10 +29,9 @@ void gc_free_heap(void); -inline int find_page_index(void *); -inline void *page_address(int); +inline long find_page_index(void *); +inline void *page_address(long); int gencgc_handle_wp_violation(void *); -lispobj *search_dynamic_space(lispobj *); struct page { @@ -70,12 +69,13 @@ struct page { * than the actual bytes used for pages within the current * allocation regions. It should be 0 for all unallocated pages (not * hard to achieve). */ - int bytes_used; + long bytes_used; - /* It is important to know the offset to the first object in the - * page. Currently it's only important to know if an object starts - * at the beginning of the page in which case the offset would be 0. */ - int first_object_offset; + /* The name of this field is not well-chosen for its actual use. + * This is the offset from the start of the page to the start + * of the alloc_region which contains/contained it. It's negative or 0 + */ + long first_object_offset; }; /* values for the page.allocated field */ @@ -83,26 +83,31 @@ struct page { /* the number of pages needed for the dynamic space - rounding up */ #define NUM_PAGES ((DYNAMIC_SPACE_SIZE+PAGE_BYTES-1)/PAGE_BYTES) + extern struct page page_table[NUM_PAGES]; +/* forward declarations */ void sniff_code_object(struct code *code, unsigned displacement); void gencgc_apply_code_fixups(struct code *old_code, struct code *new_code); -int update_x86_dynamic_space_free_pointer(void); +long update_x86_dynamic_space_free_pointer(void); void gc_alloc_update_page_tables(int unboxed, struct alloc_region *alloc_region); +void gc_alloc_update_all_page_tables(void); +void gc_set_region_empty(struct alloc_region *region); + /* * predicates */ static inline int -space_matches_p(lispobj obj, int space) +space_matches_p(lispobj obj, long space) { - int page_index=(void*)obj - (void *)DYNAMIC_SPACE_START; + long page_index=(void*)obj - (void *)DYNAMIC_SPACE_START; return ((page_index >= 0) && ((page_index = - ((unsigned int)page_index)/PAGE_BYTES) < NUM_PAGES) + ((unsigned long)page_index)/PAGE_BYTES) < NUM_PAGES) && (page_table[page_index].gen == space)); }