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 bool 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 bool safepoint_fep;
76 /* State kept by the sampling profiler */
77 std::vector<profiling_sample> samples;
78 std::vector<code_block*> 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 */
94 volatile gc_state *current_gc;
97 std::vector<cell> mark_stack;
99 /* If not NULL, we push GC events here */
100 std::vector<gc_event> *gc_events;
102 /* If a runtime function needs to call another function which potentially
103 allocates memory, it must wrap any references to the data and code
104 heaps with data_root and code_root smart pointers, which register
105 themselves here. See data_roots.hpp and code_roots.hpp */
106 std::vector<data_root_range> data_roots;
107 std::vector<cell> bignum_roots;
108 std::vector<code_root *> code_roots;
112 bool fep_help_was_shown;
116 /* Canonical bignums */
121 /* Method dispatch statistics */
122 dispatch_statistics dispatch_stats;
124 /* Number of entries in a polymorphic inline cache */
127 /* Incrementing object counter for identity hashing */
130 /* Sanity check to ensure that monotonic counter doesn't
134 /* Stack for signal handlers, only used on Unix */
135 segment *signal_callstack_seg;
138 context *new_context();
139 void init_context(context *ctx);
140 void delete_context(context *old_context);
141 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
142 void delete_contexts();
143 cell begin_callback(cell quot);
145 void primitive_current_callback();
146 void primitive_context_object();
147 void primitive_context_object_for();
148 void primitive_set_context_object();
149 cell stack_to_array(cell bottom, cell top);
150 cell datastack_to_array(context *ctx);
151 void primitive_datastack();
152 void primitive_datastack_for();
153 cell retainstack_to_array(context *ctx);
154 void primitive_retainstack();
155 void primitive_retainstack_for();
156 cell array_to_stack(array *array, cell bottom);
157 void set_datastack(context *ctx, array *array);
158 void primitive_set_datastack();
159 void set_retainstack(context *ctx, array *array);
160 void primitive_set_retainstack();
161 void primitive_check_datastack();
162 void primitive_load_locals();
164 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
166 std::set<context *>::const_iterator begin = active_contexts.begin();
167 std::set<context *>::const_iterator end = active_contexts.end();
168 while(begin != end) iterate_callstack(*begin++,iter);
172 void primitive_exit();
173 void primitive_nano_count();
174 void primitive_sleep();
175 void primitive_set_slot();
178 void primitive_special_object();
179 void primitive_set_special_object();
180 void primitive_identity_hashcode();
181 void compute_identity_hashcode(object *obj);
182 void primitive_compute_identity_hashcode();
183 cell object_size(cell tagged);
184 cell clone_object(cell obj_);
185 void primitive_clone();
186 void primitive_become();
189 void init_counting_profiler();
190 code_block *compile_counting_profiler_stub(cell word_);
191 void set_counting_profiler(bool counting_profiler);
192 void primitive_counting_profiler();
194 /* Sampling profiler */
195 void clear_samples();
196 void record_sample();
197 void record_callstack_sample(cell *begin, cell *end);
198 void start_sampling_profiler(fixnum rate);
199 void end_sampling_profiler();
200 void set_sampling_profiler(fixnum rate);
201 void enqueue_safepoint_sample(cell samples, cell pc, bool foreign_thread_p);
202 void primitive_sampling_profiler();
203 void primitive_get_samples();
204 void primitive_clear_samples();
207 void general_error(vm_error_type error, cell arg1, cell arg2);
208 void type_error(cell type, cell tagged);
209 void not_implemented_error();
210 void memory_protection_error(cell addr);
211 void signal_error(cell signal);
212 void divide_by_zero_error();
213 void fp_trap_error(unsigned int fpu_status);
214 void primitive_unimplemented();
215 void memory_signal_handler_impl();
216 void synchronous_signal_handler_impl();
217 void fp_signal_handler_impl();
218 void enqueue_safepoint_fep();
219 void handle_safepoint();
222 int bignum_equal_p(bignum * x, bignum * y);
223 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
224 bignum *bignum_add(bignum * x, bignum * y);
225 bignum *bignum_subtract(bignum * x, bignum * y);
226 bignum *bignum_multiply(bignum * x, bignum * y);
227 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
228 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
229 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
230 cell bignum_to_cell(bignum * bignum);
231 fixnum bignum_to_fixnum(bignum * bignum);
232 s64 bignum_to_long_long(bignum * bignum);
233 u64 bignum_to_ulong_long(bignum * bignum);
234 bignum *double_to_bignum(double x);
235 int bignum_equal_p_unsigned(bignum * x, bignum * y);
236 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
237 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
238 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
239 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
240 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
241 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
242 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
243 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
244 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
245 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
246 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
247 bignum_digit_type guess, bignum_digit_type * u_start);
248 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
249 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
250 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
251 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
252 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
253 bignum_digit_type v, bignum_digit_type * q) /* return value */;
254 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
255 bignum_digit_type guess, bignum_digit_type * u);
256 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
257 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
258 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
259 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
260 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
261 bignum *allot_bignum(bignum_length_type length, int negative_p);
262 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
263 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
264 bignum *bignum_trim(bignum * bignum);
265 bignum *bignum_new_sign(bignum * x, int negative_p);
266 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
267 void bignum_destructive_copy(bignum * source, bignum * target);
268 bignum *bignum_bitwise_not(bignum * x);
269 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
270 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
271 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
272 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
273 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
274 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
275 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
276 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
277 void bignum_negate_magnitude(bignum * arg);
278 bignum *bignum_integer_length(bignum * x);
279 int bignum_logbitp(int shift, bignum * arg);
280 int bignum_unsigned_logbitp(int shift, bignum * bignum);
283 void init_card_decks();
284 void set_data_heap(data_heap *data_);
285 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
286 void primitive_size();
287 data_heap_room data_room();
288 void primitive_data_room();
291 cell instances(cell type);
292 void primitive_all_instances();
294 template<typename Generation, typename Iterator>
295 inline void each_object(Generation *gen, Iterator &iterator)
297 cell obj = gen->first_object();
300 iterator((object *)obj);
301 obj = gen->next_object_after(obj);
305 template<typename Iterator> inline void each_object(Iterator &iterator)
309 each_object(data->tenured,iterator);
310 each_object(data->aging,iterator);
311 each_object(data->nursery,iterator);
316 /* the write barrier must be called any time we are potentially storing a
317 pointer from an older generation to a younger one */
318 inline void write_barrier(cell *slot_ptr)
320 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
321 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
324 inline void write_barrier(object *obj, cell size)
326 cell start = (cell)obj & (~card_size + 1);
327 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
329 for(cell offset = start; offset < end; offset += card_size)
330 write_barrier((cell *)offset);
334 void check_data_heap();
338 void set_current_gc_op(gc_op op);
339 void start_gc_again();
340 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
341 void collect_nursery();
342 void collect_aging();
343 void collect_to_tenured();
344 void update_code_roots_for_sweep();
345 void update_code_roots_for_compaction();
346 void collect_mark_impl(bool trace_contexts_p);
347 void collect_sweep_impl();
348 void collect_full(bool trace_contexts_p);
349 void collect_compact_impl(bool trace_contexts_p);
350 void collect_compact_code_impl(bool trace_contexts_p);
351 void collect_compact(bool trace_contexts_p);
352 void collect_growing_heap(cell requested_size, bool trace_contexts_p);
353 void gc(gc_op op, cell requested_size, bool trace_contexts_p);
354 void scrub_context(context *ctx);
355 void scrub_contexts();
356 void primitive_minor_gc();
357 void primitive_full_gc();
358 void primitive_compact_gc();
359 void primitive_enable_gc_events();
360 void primitive_disable_gc_events();
361 object *allot_object(cell type, cell size);
362 object *allot_large_object(cell type, cell size);
364 template<typename Type> Type *allot(cell size)
366 return (Type *)allot_object(Type::type_number,size);
369 inline void check_data_pointer(object *pointer)
372 if(!(current_gc && current_gc->op == collect_growing_heap_op))
373 assert(data->seg->in_segment_p((cell)pointer));
378 template<typename Array> Array *allot_uninitialized_array(cell capacity);
379 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
380 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
383 void print_chars(string* str);
384 void print_word(word* word, cell nesting);
385 void print_factor_string(string* str);
386 void print_array(array* array, cell nesting);
387 void print_tuple(tuple *tuple, cell nesting);
388 void print_nested_obj(cell obj, fixnum nesting);
389 void print_obj(cell obj);
390 void print_objects(cell *start, cell *end);
391 void print_datastack();
392 void print_retainstack();
393 void print_callstack();
394 void dump_cell(cell x);
395 void dump_memory(cell from, cell to);
396 template<typename Generation> void dump_generation(const char *name, Generation *gen);
397 void dump_generations();
398 void dump_objects(cell type);
399 void find_data_references_step(cell *scan);
400 void find_data_references(cell look_for_);
401 void dump_code_heap();
402 void factorbug_usage(bool advanced_p);
404 void primitive_die();
407 inline void set_array_nth(array *array, cell slot, cell value);
408 array *allot_array(cell capacity, cell fill_);
409 void primitive_array();
410 cell allot_array_1(cell obj_);
411 cell allot_array_2(cell v1_, cell v2_);
412 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
413 void primitive_resize_array();
414 cell std_vector_to_array(std::vector<cell> &elements);
417 string *allot_string_internal(cell capacity);
418 void fill_string(string *str_, cell start, cell capacity, cell fill);
419 string *allot_string(cell capacity, cell fill);
420 void primitive_string();
421 bool reallot_string_in_place_p(string *str, cell capacity);
422 string* reallot_string(string *str_, cell capacity);
423 void primitive_resize_string();
424 void primitive_set_string_nth_fast();
427 cell tag_boolean(cell untagged)
429 return (untagged ? true_object : false_object);
433 byte_array *allot_byte_array(cell size);
434 void primitive_byte_array();
435 void primitive_uninitialized_byte_array();
436 void primitive_resize_byte_array();
438 template<typename Type> byte_array *byte_array_from_value(Type *value);
441 void primitive_tuple();
442 void primitive_tuple_boa();
445 word *allot_word(cell name_, cell vocab_, cell hashcode_);
446 void primitive_word();
447 void primitive_word_code();
448 void update_word_entry_point(word *w_);
449 void primitive_optimized_p();
450 void primitive_wrapper();
451 void jit_compile_word(cell word_, cell def_, bool relocating);
452 cell find_all_words();
453 void compile_all_words();
456 void primitive_bignum_to_fixnum();
457 void primitive_float_to_fixnum();
458 void primitive_fixnum_divint();
459 void primitive_fixnum_divmod();
460 bignum *fixnum_to_bignum(fixnum);
461 bignum *cell_to_bignum(cell);
462 bignum *long_long_to_bignum(s64 n);
463 bignum *ulong_long_to_bignum(u64 n);
464 inline fixnum sign_mask(fixnum x);
465 inline fixnum branchless_max(fixnum x, fixnum y);
466 inline fixnum branchless_abs(fixnum x);
467 void primitive_fixnum_shift();
468 void primitive_fixnum_to_bignum();
469 void primitive_float_to_bignum();
470 void primitive_bignum_eq();
471 void primitive_bignum_add();
472 void primitive_bignum_subtract();
473 void primitive_bignum_multiply();
474 void primitive_bignum_divint();
475 void primitive_bignum_divmod();
476 void primitive_bignum_mod();
477 void primitive_bignum_and();
478 void primitive_bignum_or();
479 void primitive_bignum_xor();
480 void primitive_bignum_shift();
481 void primitive_bignum_less();
482 void primitive_bignum_lesseq();
483 void primitive_bignum_greater();
484 void primitive_bignum_greatereq();
485 void primitive_bignum_not();
486 void primitive_bignum_bitp();
487 void primitive_bignum_log2();
488 inline cell unbox_array_size();
489 cell unbox_array_size_slow();
490 void primitive_fixnum_to_float();
491 void primitive_format_float();
492 void primitive_float_eq();
493 void primitive_float_add();
494 void primitive_float_subtract();
495 void primitive_float_multiply();
496 void primitive_float_divfloat();
497 void primitive_float_less();
498 void primitive_float_lesseq();
499 void primitive_float_greater();
500 void primitive_float_greatereq();
501 void primitive_float_bits();
502 void primitive_bits_float();
503 void primitive_double_bits();
504 void primitive_bits_double();
505 fixnum to_fixnum(cell tagged);
506 cell to_cell(cell tagged);
507 cell from_signed_8(s64 n);
508 s64 to_signed_8(cell obj);
509 cell from_unsigned_8(u64 n);
510 u64 to_unsigned_8(cell obj);
511 float to_float(cell value);
512 double to_double(cell value);
513 inline void overflow_fixnum_add(fixnum x, fixnum y);
514 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
515 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
516 inline cell from_signed_cell(fixnum x);
517 inline cell from_unsigned_cell(cell x);
518 inline cell allot_float(double n);
519 inline bignum *float_to_bignum(cell tagged);
520 inline double untag_float(cell tagged);
521 inline double untag_float_check(cell tagged);
522 inline fixnum float_to_fixnum(cell tagged);
523 inline double fixnum_to_float(cell tagged);
526 template<typename Type> Type *untag_check(cell value);
531 FILE* safe_fopen(char *filename, char *mode);
532 int safe_fgetc(FILE *stream);
533 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
534 void safe_fputc(int c, FILE* stream);
535 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
536 int safe_ftell(FILE *stream);
537 void safe_fseek(FILE *stream, off_t offset, int whence);
538 void safe_fflush(FILE *stream);
539 void safe_fclose(FILE *stream);
540 void primitive_fopen();
541 FILE *pop_file_handle();
542 void primitive_fgetc();
543 void primitive_fread();
544 void primitive_fputc();
545 void primitive_fwrite();
546 void primitive_ftell();
547 void primitive_fseek();
548 void primitive_fflush();
549 void primitive_fclose();
552 cell compute_entry_point_address(cell obj);
553 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
554 cell compute_entry_point_pic_address(cell w_);
555 cell compute_entry_point_pic_tail_address(cell w_);
556 cell code_block_owner(code_block *compiled);
557 void update_word_references(code_block *compiled, bool reset_inline_caches);
558 void undefined_symbol();
559 cell compute_dlsym_address(array *literals, cell index);
561 cell compute_dlsym_toc_address(array *literals, cell index);
563 cell compute_vm_address(cell arg);
564 void store_external_address(instruction_operand op);
565 cell compute_here_address(cell arg, cell offset, code_block *compiled);
566 void initialize_code_block(code_block *compiled, cell literals);
567 void initialize_code_block(code_block *compiled);
568 void fixup_labels(array *labels, code_block *compiled);
569 code_block *allot_code_block(cell size, code_block_type type);
570 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
573 inline void check_code_pointer(cell ptr) { }
575 template<typename Iterator> void each_code_block(Iterator &iter)
577 code->allocator->iterate(iter);
580 void init_code_heap(cell size);
581 void update_code_heap_words(bool reset_inline_caches);
582 void initialize_code_blocks();
583 void primitive_modify_code_heap();
584 code_heap_room code_room();
585 void primitive_code_room();
586 void primitive_strip_stack_traces();
588 void primitive_code_blocks();
591 void init_callbacks(cell size);
592 void primitive_callback();
595 void init_objects(image_header *h);
596 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
597 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
598 bool save_image(const vm_char *saving_filename, const vm_char *filename);
599 void primitive_save_image();
600 void primitive_save_image_and_exit();
601 void fixup_data(cell data_offset, cell code_offset);
602 void fixup_code(cell data_offset, cell code_offset);
603 void load_image(vm_parameters *p);
606 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
607 void check_frame(stack_frame *frame);
608 callstack *allot_callstack(cell size);
609 stack_frame *second_from_top_stack_frame(context *ctx);
610 cell capture_callstack(context *ctx);
611 void primitive_callstack();
612 void primitive_callstack_for();
613 code_block *frame_code(stack_frame *frame);
614 code_block_type frame_type(stack_frame *frame);
615 cell frame_executing(stack_frame *frame);
616 cell frame_executing_quot(stack_frame *frame);
617 stack_frame *frame_successor(stack_frame *frame);
618 cell frame_scan(stack_frame *frame);
619 cell frame_offset(stack_frame *frame);
620 void set_frame_offset(stack_frame *frame, cell offset);
621 void primitive_callstack_to_array();
622 stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top);
623 void primitive_innermost_stack_frame_executing();
624 void primitive_innermost_stack_frame_scan();
625 void primitive_set_innermost_stack_frame_quot();
626 void primitive_callstack_bounds();
627 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
630 void dispatch_signal_handler(cell *sp, cell *pc, cell newpc);
633 char *pinned_alien_offset(cell obj);
634 cell allot_alien(cell delegate_, cell displacement);
635 cell allot_alien(void *address);
636 void primitive_displaced_alien();
637 void primitive_alien_address();
638 void *alien_pointer();
639 void primitive_dlopen();
640 void primitive_dlsym();
641 void primitive_dlsym_raw();
642 void primitive_dlclose();
643 void primitive_dll_validp();
644 char *alien_offset(cell obj);
647 void primitive_jit_compile();
648 code_block *lazy_jit_compile_block();
649 void primitive_array_to_quotation();
650 void primitive_quotation_code();
651 void set_quot_entry_point(quotation *quot, code_block *code);
652 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
653 void jit_compile_quot(cell quot_, bool relocating);
654 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
655 cell lazy_jit_compile(cell quot);
656 bool quot_compiled_p(quotation *quot);
657 void primitive_quot_compiled_p();
658 cell find_all_quotations();
659 void initialize_all_quotations();
662 cell search_lookup_alist(cell table, cell klass);
663 cell search_lookup_hash(cell table, cell klass, cell hashcode);
664 cell nth_superclass(tuple_layout *layout, fixnum echelon);
665 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
666 cell lookup_tuple_method(cell obj, cell methods);
667 cell lookup_method(cell obj, cell methods);
668 void primitive_lookup_method();
669 cell object_class(cell obj);
670 cell method_cache_hashcode(cell klass, array *array);
671 void update_method_cache(cell cache, cell klass, cell method);
672 void primitive_mega_cache_miss();
673 void primitive_reset_dispatch_stats();
674 void primitive_dispatch_stats();
677 void init_inline_caching(int max_size);
678 void deallocate_inline_cache(cell return_address);
679 cell determine_inline_cache_type(array *cache_entries);
680 void update_pic_count(cell type);
681 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
682 void *megamorphic_call_stub(cell generic_word);
683 cell inline_cache_size(cell cache_entries);
684 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
685 void update_pic_transitions(cell pic_size);
686 void *inline_cache_miss(cell return_address);
689 void c_to_factor(cell quot);
690 template<typename Func> Func get_entry_point(cell n);
691 void unwind_native_frames(cell quot, stack_frame *to);
692 cell get_fpu_state();
693 void set_fpu_state(cell state);
696 void default_parameters(vm_parameters *p);
697 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
698 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
699 void prepare_boot_image();
700 void init_factor(vm_parameters *p);
701 void pass_args_to_factor(int argc, vm_char **argv);
702 void start_factor(vm_parameters *p);
704 void start_embedded_factor(vm_parameters *p);
705 void start_standalone_factor(int argc, vm_char **argv);
706 char *factor_eval_string(char *string);
707 void factor_eval_free(char *result);
709 void factor_sleep(long us);
712 void primitive_existsp();
713 void move_file(const vm_char *path1, const vm_char *path2);
715 void ffi_dlopen(dll *dll);
716 void *ffi_dlsym(dll *dll, symbol_char *symbol);
717 void *ffi_dlsym_raw(dll *dll, symbol_char *symbol);
719 void *ffi_dlsym_toc(dll *dll, symbol_char *symbol);
721 void ffi_dlclose(dll *dll);
722 void c_to_factor_toplevel(cell quot);
724 void start_sampling_profiler_timer();
725 void end_sampling_profiler_timer();
729 HANDLE sampler_thread;
730 void sampler_thread_loop();
732 const vm_char *vm_executable_path();
733 const vm_char *default_image_path();
734 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
735 BOOL windows_stat(vm_char *path);
738 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
741 void dispatch_signal(void *uap, void (handler)());
742 void enqueue_safepoint_signal(cell signal);
743 void unix_init_signals();
747 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);