11 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. See:
13 // basis/compiler/constants/constants.factor
18 /* Spare context -- for callbacks */
21 /* New objects are allocated here */
22 nursery_space nursery;
24 /* Add this to a shifted address to compute write barrier offsets */
28 /* cdecl signal handler address, used by signal handler subprimitives */
29 cell signal_handler_addr;
31 /* Various special objects, accessed by special-object and
32 set-special-object primitives */
33 cell special_objects[special_object_count];
35 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR.
39 /* Data stack and retain stack sizes */
40 cell datastack_size, retainstack_size, callstack_size;
42 /* Stack of callback IDs */
43 std::vector<int> callback_ids;
45 /* Next callback ID */
48 /* List of callback function descriptors for PPC */
49 std::list<void **> function_descriptors;
51 /* Pooling unused contexts to make context allocation cheaper */
52 std::list<context *> unused_contexts;
54 /* Active contexts, for tracing by the GC */
55 std::set<context *> active_contexts;
57 /* Canonical truth value. In Factor, 't' */
60 /* External entry points */
61 c_to_factor_func_type c_to_factor_func;
63 /* Is profiling enabled? */
64 bool counting_profiler_p;
65 volatile cell sampling_profiler_p;
66 fixnum samples_per_second;
68 /* Global variables used to pass fault handler state from signal handler
70 bool signal_resumable;
72 cell signal_fault_addr;
73 unsigned int signal_fpu_status;
74 volatile cell safepoint_fep_p;
76 /* State kept by the sampling profiler */
77 std::vector<profiling_sample> samples;
78 std::vector<cell> sample_callstacks;
79 volatile profiling_sample_count safepoint_sample_counts;
81 /* GC is off during heap walking */
90 /* Pinned callback stubs */
91 callback_heap *callbacks;
93 /* Only set if we're performing a GC */
95 volatile cell current_gc_p;
97 /* Set if we're in the jit */
98 volatile cell current_jit_p;
101 std::vector<cell> mark_stack;
103 /* If not NULL, we push GC events here */
104 std::vector<gc_event> *gc_events;
106 /* If a runtime function needs to call another function which potentially
107 allocates memory, it must wrap any references to the data and code
108 heaps with data_root and code_root smart pointers, which register
109 themselves here. See data_roots.hpp and code_roots.hpp */
110 std::vector<data_root_range> data_roots;
111 std::vector<cell> bignum_roots;
112 std::vector<code_root *> code_roots;
116 bool fep_help_was_shown;
120 /* Canonical bignums */
125 /* Method dispatch statistics */
126 dispatch_statistics dispatch_stats;
128 /* Number of entries in a polymorphic inline cache */
131 /* Incrementing object counter for identity hashing */
134 /* Sanity check to ensure that monotonic counter doesn't
138 /* Stack for signal handlers, only used on Unix */
139 segment *signal_callstack_seg;
141 /* Are we already handling a fault? Used to catch double memory faults */
145 context *new_context();
146 void init_context(context *ctx);
147 void delete_context(context *old_context);
148 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
149 void delete_contexts();
150 cell begin_callback(cell quot);
152 void primitive_current_callback();
153 void primitive_context_object();
154 void primitive_context_object_for();
155 void primitive_set_context_object();
156 cell stack_to_array(cell bottom, cell top);
157 cell datastack_to_array(context *ctx);
158 void primitive_datastack();
159 void primitive_datastack_for();
160 cell retainstack_to_array(context *ctx);
161 void primitive_retainstack();
162 void primitive_retainstack_for();
163 cell array_to_stack(array *array, cell bottom);
164 void set_datastack(context *ctx, array *array);
165 void primitive_set_datastack();
166 void set_retainstack(context *ctx, array *array);
167 void primitive_set_retainstack();
168 void primitive_check_datastack();
169 void primitive_load_locals();
171 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
173 std::set<context *>::const_iterator begin = active_contexts.begin();
174 std::set<context *>::const_iterator end = active_contexts.end();
175 while(begin != end) iterate_callstack(*begin++,iter);
179 void primitive_exit();
180 void primitive_nano_count();
181 void primitive_sleep();
182 void primitive_set_slot();
185 void primitive_special_object();
186 void primitive_set_special_object();
187 void primitive_identity_hashcode();
188 void compute_identity_hashcode(object *obj);
189 void primitive_compute_identity_hashcode();
190 cell object_size(cell tagged);
191 cell clone_object(cell obj_);
192 void primitive_clone();
193 void primitive_become();
196 void init_counting_profiler();
197 code_block *compile_counting_profiler_stub(cell word_);
198 void set_counting_profiler(bool counting_profiler);
199 void primitive_counting_profiler();
201 /* Sampling profiler */
202 void clear_samples();
203 void record_sample();
204 void record_callstack_sample(cell *begin, cell *end);
205 void start_sampling_profiler(fixnum rate);
206 void end_sampling_profiler();
207 void set_sampling_profiler(fixnum rate);
208 void enqueue_safepoint_sample(cell samples, cell pc, bool foreign_thread_p);
209 void primitive_sampling_profiler();
210 void primitive_get_samples();
211 void primitive_clear_samples();
214 void general_error(vm_error_type error, cell arg1, cell arg2);
215 void type_error(cell type, cell tagged);
216 void not_implemented_error();
217 void memory_protection_error(cell addr);
218 void signal_error(cell signal);
219 void divide_by_zero_error();
220 void fp_trap_error(unsigned int fpu_status);
221 void primitive_unimplemented();
222 void memory_signal_handler_impl();
223 void synchronous_signal_handler_impl();
224 void fp_signal_handler_impl();
225 void enqueue_safepoint_fep();
226 void handle_safepoint();
229 int bignum_equal_p(bignum * x, bignum * y);
230 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
231 bignum *bignum_add(bignum * x, bignum * y);
232 bignum *bignum_subtract(bignum * x, bignum * y);
233 bignum *bignum_multiply(bignum * x, bignum * y);
234 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
235 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
236 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
237 cell bignum_to_cell(bignum * bignum);
238 fixnum bignum_to_fixnum(bignum * bignum);
239 s64 bignum_to_long_long(bignum * bignum);
240 u64 bignum_to_ulong_long(bignum * bignum);
241 bignum *double_to_bignum(double x);
242 int bignum_equal_p_unsigned(bignum * x, bignum * y);
243 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
244 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
245 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
246 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
247 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
248 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
249 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
250 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
251 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
252 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
253 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
254 bignum_digit_type guess, bignum_digit_type * u_start);
255 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
256 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
257 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
258 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
259 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
260 bignum_digit_type v, bignum_digit_type * q) /* return value */;
261 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
262 bignum_digit_type guess, bignum_digit_type * u);
263 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
264 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
265 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
266 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
267 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
268 bignum *allot_bignum(bignum_length_type length, int negative_p);
269 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
270 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
271 bignum *bignum_trim(bignum * bignum);
272 bignum *bignum_new_sign(bignum * x, int negative_p);
273 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
274 void bignum_destructive_copy(bignum * source, bignum * target);
275 bignum *bignum_bitwise_not(bignum * x);
276 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
277 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
278 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
279 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
280 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
281 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
282 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
283 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
284 void bignum_negate_magnitude(bignum * arg);
285 bignum *bignum_integer_length(bignum * x);
286 int bignum_logbitp(int shift, bignum * arg);
287 int bignum_unsigned_logbitp(int shift, bignum * bignum);
290 void init_card_decks();
291 void set_data_heap(data_heap *data_);
292 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
293 void primitive_size();
294 data_heap_room data_room();
295 void primitive_data_room();
298 cell instances(cell type);
299 void primitive_all_instances();
301 template<typename Generation, typename Iterator>
302 inline void each_object(Generation *gen, Iterator &iterator)
304 cell obj = gen->first_object();
307 iterator((object *)obj);
308 obj = gen->next_object_after(obj);
312 template<typename Iterator> inline void each_object(Iterator &iterator)
316 each_object(data->tenured,iterator);
317 each_object(data->aging,iterator);
318 each_object(data->nursery,iterator);
323 /* the write barrier must be called any time we are potentially storing a
324 pointer from an older generation to a younger one */
325 inline void write_barrier(cell *slot_ptr)
327 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
328 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
331 inline void write_barrier(object *obj, cell size)
333 cell start = (cell)obj & (~card_size + 1);
334 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
336 for(cell offset = start; offset < end; offset += card_size)
337 write_barrier((cell *)offset);
341 void check_data_heap();
345 void set_current_gc_op(gc_op op);
346 void start_gc_again();
347 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
348 void collect_nursery();
349 void collect_aging();
350 void collect_to_tenured();
351 void update_code_roots_for_sweep();
352 void update_code_roots_for_compaction();
353 void collect_mark_impl(bool trace_contexts_p);
354 void collect_sweep_impl();
355 void collect_full(bool trace_contexts_p);
356 void collect_compact_impl(bool trace_contexts_p);
357 void collect_compact_code_impl(bool trace_contexts_p);
358 void collect_compact(bool trace_contexts_p);
359 void collect_growing_heap(cell requested_size, bool trace_contexts_p);
360 void gc(gc_op op, cell requested_size, bool trace_contexts_p);
361 void scrub_context(context *ctx);
362 void scrub_contexts();
363 void primitive_minor_gc();
364 void primitive_full_gc();
365 void primitive_compact_gc();
366 void primitive_enable_gc_events();
367 void primitive_disable_gc_events();
368 object *allot_object(cell type, cell size);
369 object *allot_large_object(cell type, cell size);
371 template<typename Type> Type *allot(cell size)
373 return (Type *)allot_object(Type::type_number,size);
376 inline void check_data_pointer(object *pointer)
379 if(!(current_gc && current_gc->op == collect_growing_heap_op))
380 assert(data->seg->in_segment_p((cell)pointer));
385 template<typename Array> Array *allot_uninitialized_array(cell capacity);
386 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
387 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
390 void print_chars(string* str);
391 void print_word(word* word, cell nesting);
392 void print_factor_string(string* str);
393 void print_array(array* array, cell nesting);
394 void print_tuple(tuple *tuple, cell nesting);
395 void print_nested_obj(cell obj, fixnum nesting);
396 void print_obj(cell obj);
397 void print_objects(cell *start, cell *end);
398 void print_datastack();
399 void print_retainstack();
400 void print_callstack();
401 void dump_cell(cell x);
402 void dump_memory(cell from, cell to);
403 template<typename Generation> void dump_generation(const char *name, Generation *gen);
404 void dump_generations();
405 void dump_objects(cell type);
406 void find_data_references_step(cell *scan);
407 void find_data_references(cell look_for_);
408 void dump_code_heap();
409 void factorbug_usage(bool advanced_p);
411 void primitive_die();
414 inline void set_array_nth(array *array, cell slot, cell value);
415 array *allot_array(cell capacity, cell fill_);
416 void primitive_array();
417 cell allot_array_1(cell obj_);
418 cell allot_array_2(cell v1_, cell v2_);
419 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
420 void primitive_resize_array();
421 cell std_vector_to_array(std::vector<cell> &elements);
424 string *allot_string_internal(cell capacity);
425 void fill_string(string *str_, cell start, cell capacity, cell fill);
426 string *allot_string(cell capacity, cell fill);
427 void primitive_string();
428 bool reallot_string_in_place_p(string *str, cell capacity);
429 string* reallot_string(string *str_, cell capacity);
430 void primitive_resize_string();
431 void primitive_set_string_nth_fast();
434 cell tag_boolean(cell untagged)
436 return (untagged ? true_object : false_object);
440 byte_array *allot_byte_array(cell size);
441 void primitive_byte_array();
442 void primitive_uninitialized_byte_array();
443 void primitive_resize_byte_array();
445 template<typename Type> byte_array *byte_array_from_value(Type *value);
448 void primitive_tuple();
449 void primitive_tuple_boa();
452 word *allot_word(cell name_, cell vocab_, cell hashcode_);
453 void primitive_word();
454 void primitive_word_code();
455 void update_word_entry_point(word *w_);
456 void primitive_optimized_p();
457 void primitive_wrapper();
458 void jit_compile_word(cell word_, cell def_, bool relocating);
459 cell find_all_words();
460 void compile_all_words();
463 void primitive_bignum_to_fixnum();
464 void primitive_float_to_fixnum();
465 void primitive_fixnum_divint();
466 void primitive_fixnum_divmod();
467 bignum *fixnum_to_bignum(fixnum);
468 bignum *cell_to_bignum(cell);
469 bignum *long_long_to_bignum(s64 n);
470 bignum *ulong_long_to_bignum(u64 n);
471 inline fixnum sign_mask(fixnum x);
472 inline fixnum branchless_max(fixnum x, fixnum y);
473 inline fixnum branchless_abs(fixnum x);
474 void primitive_fixnum_shift();
475 void primitive_fixnum_to_bignum();
476 void primitive_float_to_bignum();
477 void primitive_bignum_eq();
478 void primitive_bignum_add();
479 void primitive_bignum_subtract();
480 void primitive_bignum_multiply();
481 void primitive_bignum_divint();
482 void primitive_bignum_divmod();
483 void primitive_bignum_mod();
484 void primitive_bignum_and();
485 void primitive_bignum_or();
486 void primitive_bignum_xor();
487 void primitive_bignum_shift();
488 void primitive_bignum_less();
489 void primitive_bignum_lesseq();
490 void primitive_bignum_greater();
491 void primitive_bignum_greatereq();
492 void primitive_bignum_not();
493 void primitive_bignum_bitp();
494 void primitive_bignum_log2();
495 inline cell unbox_array_size();
496 cell unbox_array_size_slow();
497 void primitive_fixnum_to_float();
498 void primitive_format_float();
499 void primitive_float_eq();
500 void primitive_float_add();
501 void primitive_float_subtract();
502 void primitive_float_multiply();
503 void primitive_float_divfloat();
504 void primitive_float_less();
505 void primitive_float_lesseq();
506 void primitive_float_greater();
507 void primitive_float_greatereq();
508 void primitive_float_bits();
509 void primitive_bits_float();
510 void primitive_double_bits();
511 void primitive_bits_double();
512 fixnum to_fixnum(cell tagged);
513 cell to_cell(cell tagged);
514 cell from_signed_8(s64 n);
515 s64 to_signed_8(cell obj);
516 cell from_unsigned_8(u64 n);
517 u64 to_unsigned_8(cell obj);
518 float to_float(cell value);
519 double to_double(cell value);
520 inline void overflow_fixnum_add(fixnum x, fixnum y);
521 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
522 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
523 inline cell from_signed_cell(fixnum x);
524 inline cell from_unsigned_cell(cell x);
525 inline cell allot_float(double n);
526 inline bignum *float_to_bignum(cell tagged);
527 inline double untag_float(cell tagged);
528 inline double untag_float_check(cell tagged);
529 inline fixnum float_to_fixnum(cell tagged);
530 inline double fixnum_to_float(cell tagged);
533 template<typename Type> Type *untag_check(cell value);
538 FILE* safe_fopen(char *filename, char *mode);
539 int safe_fgetc(FILE *stream);
540 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
541 void safe_fputc(int c, FILE* stream);
542 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
543 int safe_ftell(FILE *stream);
544 void safe_fseek(FILE *stream, off_t offset, int whence);
545 void safe_fflush(FILE *stream);
546 void safe_fclose(FILE *stream);
547 void primitive_fopen();
548 FILE *pop_file_handle();
549 void primitive_fgetc();
550 void primitive_fread();
551 void primitive_fputc();
552 void primitive_fwrite();
553 void primitive_ftell();
554 void primitive_fseek();
555 void primitive_fflush();
556 void primitive_fclose();
559 cell compute_entry_point_address(cell obj);
560 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
561 cell compute_entry_point_pic_address(cell w_);
562 cell compute_entry_point_pic_tail_address(cell w_);
563 cell code_block_owner(code_block *compiled);
564 void update_word_references(code_block *compiled, bool reset_inline_caches);
565 void undefined_symbol();
566 cell compute_dlsym_address(array *literals, cell index);
568 cell compute_dlsym_toc_address(array *literals, cell index);
570 cell compute_vm_address(cell arg);
571 void store_external_address(instruction_operand op);
572 cell compute_here_address(cell arg, cell offset, code_block *compiled);
573 void initialize_code_block(code_block *compiled, cell literals);
574 void initialize_code_block(code_block *compiled);
575 void fixup_labels(array *labels, code_block *compiled);
576 code_block *allot_code_block(cell size, code_block_type type);
577 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
580 inline void check_code_pointer(cell ptr) { }
582 template<typename Iterator> void each_code_block(Iterator &iter)
584 code->allocator->iterate(iter);
587 void init_code_heap(cell size);
588 void update_code_heap_words(bool reset_inline_caches);
589 void initialize_code_blocks();
590 void primitive_modify_code_heap();
591 code_heap_room code_room();
592 void primitive_code_room();
593 void primitive_strip_stack_traces();
595 void primitive_code_blocks();
598 void init_callbacks(cell size);
599 void primitive_callback();
602 void init_objects(image_header *h);
603 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
604 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
605 bool save_image(const vm_char *saving_filename, const vm_char *filename);
606 void primitive_save_image();
607 void primitive_save_image_and_exit();
608 void fixup_data(cell data_offset, cell code_offset);
609 void fixup_code(cell data_offset, cell code_offset);
610 void load_image(vm_parameters *p);
613 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
614 void check_frame(stack_frame *frame);
615 callstack *allot_callstack(cell size);
616 stack_frame *second_from_top_stack_frame(context *ctx);
617 cell capture_callstack(context *ctx);
618 void primitive_callstack();
619 void primitive_callstack_for();
620 code_block *frame_code(stack_frame *frame);
621 code_block_type frame_type(stack_frame *frame);
622 cell frame_executing(stack_frame *frame);
623 cell frame_executing_quot(stack_frame *frame);
624 stack_frame *frame_successor(stack_frame *frame);
625 cell frame_scan(stack_frame *frame);
626 cell frame_offset(stack_frame *frame);
627 void set_frame_offset(stack_frame *frame, cell offset);
628 void primitive_callstack_to_array();
629 stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top);
630 void primitive_innermost_stack_frame_executing();
631 void primitive_innermost_stack_frame_scan();
632 void primitive_set_innermost_stack_frame_quot();
633 void primitive_callstack_bounds();
634 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
637 void dispatch_signal_handler(cell *sp, cell *pc, cell newpc);
640 char *pinned_alien_offset(cell obj);
641 cell allot_alien(cell delegate_, cell displacement);
642 cell allot_alien(void *address);
643 void primitive_displaced_alien();
644 void primitive_alien_address();
645 void *alien_pointer();
646 void primitive_dlopen();
647 void primitive_dlsym();
648 void primitive_dlsym_raw();
649 void primitive_dlclose();
650 void primitive_dll_validp();
651 char *alien_offset(cell obj);
654 void primitive_jit_compile();
655 code_block *lazy_jit_compile_block();
656 void primitive_array_to_quotation();
657 void primitive_quotation_code();
658 void set_quot_entry_point(quotation *quot, code_block *code);
659 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
660 void jit_compile_quot(cell quot_, bool relocating);
661 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
662 cell lazy_jit_compile(cell quot);
663 bool quot_compiled_p(quotation *quot);
664 void primitive_quot_compiled_p();
665 cell find_all_quotations();
666 void initialize_all_quotations();
669 cell search_lookup_alist(cell table, cell klass);
670 cell search_lookup_hash(cell table, cell klass, cell hashcode);
671 cell nth_superclass(tuple_layout *layout, fixnum echelon);
672 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
673 cell lookup_tuple_method(cell obj, cell methods);
674 cell lookup_method(cell obj, cell methods);
675 void primitive_lookup_method();
676 cell object_class(cell obj);
677 cell method_cache_hashcode(cell klass, array *array);
678 void update_method_cache(cell cache, cell klass, cell method);
679 void primitive_mega_cache_miss();
680 void primitive_reset_dispatch_stats();
681 void primitive_dispatch_stats();
684 void init_inline_caching(int max_size);
685 void deallocate_inline_cache(cell return_address);
686 cell determine_inline_cache_type(array *cache_entries);
687 void update_pic_count(cell type);
688 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
689 void *megamorphic_call_stub(cell generic_word);
690 cell inline_cache_size(cell cache_entries);
691 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
692 void update_pic_transitions(cell pic_size);
693 void *inline_cache_miss(cell return_address);
696 void c_to_factor(cell quot);
697 template<typename Func> Func get_entry_point(cell n);
698 void unwind_native_frames(cell quot, stack_frame *to);
699 cell get_fpu_state();
700 void set_fpu_state(cell state);
703 void default_parameters(vm_parameters *p);
704 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
705 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
706 void prepare_boot_image();
707 void init_factor(vm_parameters *p);
708 void pass_args_to_factor(int argc, vm_char **argv);
709 void start_factor(vm_parameters *p);
711 void start_embedded_factor(vm_parameters *p);
712 void start_standalone_factor(int argc, vm_char **argv);
713 char *factor_eval_string(char *string);
714 void factor_eval_free(char *result);
716 void factor_sleep(long us);
719 void primitive_existsp();
720 void move_file(const vm_char *path1, const vm_char *path2);
722 void ffi_dlopen(dll *dll);
723 void *ffi_dlsym(dll *dll, symbol_char *symbol);
724 void *ffi_dlsym_raw(dll *dll, symbol_char *symbol);
726 void *ffi_dlsym_toc(dll *dll, symbol_char *symbol);
728 void ffi_dlclose(dll *dll);
729 void c_to_factor_toplevel(cell quot);
731 void start_sampling_profiler_timer();
732 void end_sampling_profiler_timer();
736 HANDLE sampler_thread;
737 void sampler_thread_loop();
739 const vm_char *vm_executable_path();
740 const vm_char *default_image_path();
741 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
742 BOOL windows_stat(vm_char *path);
745 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
748 void dispatch_signal(void *uap, void (handler)());
749 void enqueue_safepoint_signal(cell signal);
750 void unix_init_signals();
754 void call_fault_handler(exception_type_t exception, exception_data_type_t code, MACH_EXC_STATE_TYPE *exc_state, MACH_THREAD_STATE_TYPE *thread_state, MACH_FLOAT_STATE_TYPE *float_state);