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 /* Handle to the main thread we run in */
42 /* Data stack and retain stack sizes */
43 cell datastack_size, retainstack_size, callstack_size;
45 /* Stack of callback IDs */
46 std::vector<int> callback_ids;
48 /* Next callback ID */
51 /* List of callback function descriptors for PPC */
52 std::list<void **> function_descriptors;
54 /* Pooling unused contexts to make context allocation cheaper */
55 std::list<context *> unused_contexts;
57 /* Active contexts, for tracing by the GC */
58 std::set<context *> active_contexts;
60 /* Canonical truth value. In Factor, 't' */
63 /* External entry points */
64 c_to_factor_func_type c_to_factor_func;
66 /* Is profiling enabled? */
67 volatile cell sampling_profiler_p;
68 fixnum samples_per_second;
70 /* Global variables used to pass fault handler state from signal handler
72 bool signal_resumable;
74 cell signal_fault_addr;
75 unsigned int signal_fpu_status;
77 /* Pipe used to notify Factor multiplexer of signals */
78 int signal_pipe_input, signal_pipe_output;
80 /* State kept by the sampling profiler */
81 std::vector<profiling_sample> samples;
82 std::vector<cell> sample_callstacks;
84 /* GC is off during heap walking */
93 /* Pinned callback stubs */
94 callback_heap *callbacks;
96 /* Only set if we're performing a GC */
98 volatile cell current_gc_p;
100 /* Set if we're in the jit */
101 volatile fixnum current_jit_count;
104 std::vector<cell> mark_stack;
106 /* If not NULL, we push GC events here */
107 std::vector<gc_event> *gc_events;
109 /* If a runtime function needs to call another function which potentially
110 allocates memory, it must wrap any references to the data and code
111 heaps with data_root and code_root smart pointers, which register
112 themselves here. See data_roots.hpp and code_roots.hpp */
113 std::vector<data_root_range> data_roots;
114 std::vector<cell> bignum_roots;
115 std::vector<code_root *> code_roots;
119 bool fep_help_was_shown;
123 /* Canonical bignums */
128 /* Method dispatch statistics */
129 dispatch_statistics dispatch_stats;
131 /* Number of entries in a polymorphic inline cache */
134 /* Incrementing object counter for identity hashing */
137 /* Sanity check to ensure that monotonic counter doesn't
141 /* Stack for signal handlers, only used on Unix */
142 segment *signal_callstack_seg;
144 /* Are we already handling a fault? Used to catch double memory faults */
147 /* Safepoint state */
148 volatile safepoint_state safepoint;
151 context *new_context();
152 void init_context(context *ctx);
153 void delete_context(context *old_context);
154 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
155 void delete_contexts();
156 cell begin_callback(cell quot);
158 void primitive_current_callback();
159 void primitive_context_object();
160 void primitive_context_object_for();
161 void primitive_set_context_object();
162 cell stack_to_array(cell bottom, cell top);
163 cell datastack_to_array(context *ctx);
164 void primitive_datastack();
165 void primitive_datastack_for();
166 cell retainstack_to_array(context *ctx);
167 void primitive_retainstack();
168 void primitive_retainstack_for();
169 cell array_to_stack(array *array, cell bottom);
170 void set_datastack(context *ctx, array *array);
171 void primitive_set_datastack();
172 void set_retainstack(context *ctx, array *array);
173 void primitive_set_retainstack();
174 void primitive_check_datastack();
175 void primitive_load_locals();
177 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
179 std::set<context *>::const_iterator begin = active_contexts.begin();
180 std::set<context *>::const_iterator end = active_contexts.end();
181 while(begin != end) iterate_callstack(*begin++,iter);
185 void primitive_exit();
186 void primitive_nano_count();
187 void primitive_sleep();
188 void primitive_set_slot();
191 void primitive_special_object();
192 void primitive_set_special_object();
193 void primitive_identity_hashcode();
194 void compute_identity_hashcode(object *obj);
195 void primitive_compute_identity_hashcode();
196 cell object_size(cell tagged);
197 cell clone_object(cell obj_);
198 void primitive_clone();
199 void primitive_become();
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 primitive_sampling_profiler();
209 void primitive_get_samples();
210 void primitive_clear_samples();
213 void general_error(vm_error_type error, cell arg1, cell arg2);
214 void type_error(cell type, cell tagged);
215 void not_implemented_error();
216 void memory_protection_error(cell addr);
217 void signal_error(cell signal);
218 void divide_by_zero_error();
219 void fp_trap_error(unsigned int fpu_status);
220 void primitive_unimplemented();
221 void memory_signal_handler_impl();
222 void synchronous_signal_handler_impl();
223 void fp_signal_handler_impl();
226 int bignum_equal_p(bignum * x, bignum * y);
227 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
228 bignum *bignum_add(bignum * x, bignum * y);
229 bignum *bignum_subtract(bignum * x, bignum * y);
230 bignum *bignum_multiply(bignum * x, bignum * y);
231 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
232 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
233 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
234 cell bignum_to_cell(bignum * bignum);
235 fixnum bignum_to_fixnum(bignum * bignum);
236 s64 bignum_to_long_long(bignum * bignum);
237 u64 bignum_to_ulong_long(bignum * bignum);
238 bignum *double_to_bignum(double x);
239 int bignum_equal_p_unsigned(bignum * x, bignum * y);
240 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
241 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
242 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
243 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
244 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
245 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
246 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
247 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
248 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
249 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
250 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
251 bignum_digit_type guess, bignum_digit_type * u_start);
252 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
253 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
254 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
255 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
256 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
257 bignum_digit_type v, bignum_digit_type * q) /* return value */;
258 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
259 bignum_digit_type guess, bignum_digit_type * u);
260 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
261 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
262 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
263 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
264 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
265 bignum *allot_bignum(bignum_length_type length, int negative_p);
266 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
267 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
268 bignum *bignum_trim(bignum * bignum);
269 bignum *bignum_new_sign(bignum * x, int negative_p);
270 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
271 void bignum_destructive_copy(bignum * source, bignum * target);
272 bignum *bignum_bitwise_not(bignum * x);
273 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
274 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
275 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
276 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
277 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
278 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
279 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
280 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
281 void bignum_negate_magnitude(bignum * arg);
282 bignum *bignum_integer_length(bignum * x);
283 int bignum_logbitp(int shift, bignum * arg);
284 int bignum_unsigned_logbitp(int shift, bignum * bignum);
287 void init_card_decks();
288 void set_data_heap(data_heap *data_);
289 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
290 void primitive_size();
291 data_heap_room data_room();
292 void primitive_data_room();
295 cell instances(cell type);
296 void primitive_all_instances();
298 template<typename Generation, typename Iterator>
299 inline void each_object(Generation *gen, Iterator &iterator)
301 cell obj = gen->first_object();
304 iterator((object *)obj);
305 obj = gen->next_object_after(obj);
309 template<typename Iterator> inline void each_object(Iterator &iterator)
313 each_object(data->tenured,iterator);
314 each_object(data->aging,iterator);
315 each_object(data->nursery,iterator);
320 /* the write barrier must be called any time we are potentially storing a
321 pointer from an older generation to a younger one */
322 inline void write_barrier(cell *slot_ptr)
324 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
325 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
328 inline void write_barrier(object *obj, cell size)
330 cell start = (cell)obj & (~card_size + 1);
331 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
333 for(cell offset = start; offset < end; offset += card_size)
334 write_barrier((cell *)offset);
338 void check_data_heap();
342 void set_current_gc_op(gc_op op);
343 void start_gc_again();
344 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
345 void collect_nursery();
346 void collect_aging();
347 void collect_to_tenured();
348 void update_code_roots_for_sweep();
349 void update_code_roots_for_compaction();
350 void collect_mark_impl(bool trace_contexts_p);
351 void collect_sweep_impl();
352 void collect_full(bool trace_contexts_p);
353 void collect_compact_impl(bool trace_contexts_p);
354 void collect_compact_code_impl(bool trace_contexts_p);
355 void collect_compact(bool trace_contexts_p);
356 void collect_growing_heap(cell requested_size, bool trace_contexts_p);
357 void gc(gc_op op, cell requested_size, bool trace_contexts_p);
358 void scrub_context(context *ctx);
359 void scrub_contexts();
360 void primitive_minor_gc();
361 void primitive_full_gc();
362 void primitive_compact_gc();
363 void primitive_enable_gc_events();
364 void primitive_disable_gc_events();
365 object *allot_object(cell type, cell size);
366 object *allot_large_object(cell type, cell size);
368 template<typename Type> Type *allot(cell size)
370 return (Type *)allot_object(Type::type_number,size);
373 inline void check_data_pointer(object *pointer)
376 if(!(current_gc && current_gc->op == collect_growing_heap_op))
377 assert(data->seg->in_segment_p((cell)pointer));
382 template<typename Array> Array *allot_uninitialized_array(cell capacity);
383 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
384 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
387 void print_chars(string* str);
388 void print_word(word* word, cell nesting);
389 void print_factor_string(string* str);
390 void print_array(array* array, cell nesting);
391 void print_byte_array(byte_array *array, cell nesting);
392 void print_tuple(tuple *tuple, cell nesting);
393 void print_alien(alien *alien, cell nesting);
394 void print_nested_obj(cell obj, fixnum nesting);
395 void print_obj(cell obj);
396 void print_objects(cell *start, cell *end);
397 void print_datastack();
398 void print_retainstack();
399 void print_callstack();
400 void dump_cell(cell x);
401 void dump_memory(cell from, cell to);
402 template<typename Generation> void dump_generation(const char *name, Generation *gen);
403 void dump_generations();
404 void dump_objects(cell type);
405 void find_data_references_step(cell *scan);
406 void find_data_references(cell look_for_);
407 void dump_code_heap();
408 void factorbug_usage(bool advanced_p);
410 void primitive_die();
413 inline void set_array_nth(array *array, cell slot, cell value);
414 array *allot_array(cell capacity, cell fill_);
415 void primitive_array();
416 cell allot_array_1(cell obj_);
417 cell allot_array_2(cell v1_, cell v2_);
418 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
419 void primitive_resize_array();
420 cell std_vector_to_array(std::vector<cell> &elements);
423 string *allot_string_internal(cell capacity);
424 void fill_string(string *str_, cell start, cell capacity, cell fill);
425 string *allot_string(cell capacity, cell fill);
426 void primitive_string();
427 bool reallot_string_in_place_p(string *str, cell capacity);
428 string* reallot_string(string *str_, cell capacity);
429 void primitive_resize_string();
430 void primitive_set_string_nth_fast();
433 cell tag_boolean(cell untagged)
435 return (untagged ? true_object : false_object);
439 byte_array *allot_byte_array(cell size);
440 void primitive_byte_array();
441 void primitive_uninitialized_byte_array();
442 void primitive_resize_byte_array();
444 template<typename Type> byte_array *byte_array_from_value(Type *value);
447 void primitive_tuple();
448 void primitive_tuple_boa();
451 word *allot_word(cell name_, cell vocab_, cell hashcode_);
452 void primitive_word();
453 void primitive_word_code();
454 void primitive_optimized_p();
455 void primitive_wrapper();
456 void jit_compile_word(cell word_, cell def_, bool relocating);
457 cell find_all_words();
458 void compile_all_words();
461 void primitive_bignum_to_fixnum();
462 void primitive_float_to_fixnum();
463 void primitive_fixnum_divint();
464 void primitive_fixnum_divmod();
465 bignum *fixnum_to_bignum(fixnum);
466 bignum *cell_to_bignum(cell);
467 bignum *long_long_to_bignum(s64 n);
468 bignum *ulong_long_to_bignum(u64 n);
469 inline fixnum sign_mask(fixnum x);
470 inline fixnum branchless_max(fixnum x, fixnum y);
471 inline fixnum branchless_abs(fixnum x);
472 void primitive_fixnum_shift();
473 void primitive_fixnum_to_bignum();
474 void primitive_float_to_bignum();
475 void primitive_bignum_eq();
476 void primitive_bignum_add();
477 void primitive_bignum_subtract();
478 void primitive_bignum_multiply();
479 void primitive_bignum_divint();
480 void primitive_bignum_divmod();
481 void primitive_bignum_mod();
482 void primitive_bignum_and();
483 void primitive_bignum_or();
484 void primitive_bignum_xor();
485 void primitive_bignum_shift();
486 void primitive_bignum_less();
487 void primitive_bignum_lesseq();
488 void primitive_bignum_greater();
489 void primitive_bignum_greatereq();
490 void primitive_bignum_not();
491 void primitive_bignum_bitp();
492 void primitive_bignum_log2();
493 inline cell unbox_array_size();
494 cell unbox_array_size_slow();
495 void primitive_fixnum_to_float();
496 void primitive_format_float();
497 void primitive_float_eq();
498 void primitive_float_add();
499 void primitive_float_subtract();
500 void primitive_float_multiply();
501 void primitive_float_divfloat();
502 void primitive_float_less();
503 void primitive_float_lesseq();
504 void primitive_float_greater();
505 void primitive_float_greatereq();
506 void primitive_float_bits();
507 void primitive_bits_float();
508 void primitive_double_bits();
509 void primitive_bits_double();
510 fixnum to_fixnum(cell tagged);
511 cell to_cell(cell tagged);
512 cell from_signed_8(s64 n);
513 s64 to_signed_8(cell obj);
514 cell from_unsigned_8(u64 n);
515 u64 to_unsigned_8(cell obj);
516 float to_float(cell value);
517 double to_double(cell value);
518 inline void overflow_fixnum_add(fixnum x, fixnum y);
519 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
520 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
521 inline cell from_signed_cell(fixnum x);
522 inline cell from_unsigned_cell(cell x);
523 inline cell allot_float(double n);
524 inline bignum *float_to_bignum(cell tagged);
525 inline double untag_float(cell tagged);
526 inline double untag_float_check(cell tagged);
527 inline fixnum float_to_fixnum(cell tagged);
528 inline double fixnum_to_float(cell tagged);
531 template<typename Type> Type *untag_check(cell value);
536 FILE* safe_fopen(char *filename, char *mode);
537 int safe_fgetc(FILE *stream);
538 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
539 void safe_fputc(int c, FILE* stream);
540 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
541 int safe_ftell(FILE *stream);
542 void safe_fseek(FILE *stream, off_t offset, int whence);
543 void safe_fflush(FILE *stream);
544 void safe_fclose(FILE *stream);
545 void primitive_fopen();
546 FILE *pop_file_handle();
547 void primitive_fgetc();
548 void primitive_fread();
549 void primitive_fputc();
550 void primitive_fwrite();
551 void primitive_ftell();
552 void primitive_fseek();
553 void primitive_fflush();
554 void primitive_fclose();
557 cell compute_entry_point_address(cell obj);
558 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
559 cell compute_entry_point_pic_address(cell w_);
560 cell compute_entry_point_pic_tail_address(cell w_);
561 cell code_block_owner(code_block *compiled);
562 void update_word_references(code_block *compiled, bool reset_inline_caches);
563 void undefined_symbol();
564 cell compute_dlsym_address(array *literals, cell index);
566 cell compute_dlsym_toc_address(array *literals, cell index);
568 cell compute_vm_address(cell arg);
569 void store_external_address(instruction_operand op);
570 cell compute_here_address(cell arg, cell offset, code_block *compiled);
571 void initialize_code_block(code_block *compiled, cell literals);
572 void initialize_code_block(code_block *compiled);
573 void fixup_labels(array *labels, code_block *compiled);
574 code_block *allot_code_block(cell size, code_block_type type);
575 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
578 inline void check_code_pointer(cell ptr) { }
580 template<typename Iterator> void each_code_block(Iterator &iter)
582 code->allocator->iterate(iter);
585 void init_code_heap(cell size);
586 void update_code_heap_words(bool reset_inline_caches);
587 void initialize_code_blocks();
588 void primitive_modify_code_heap();
589 code_heap_room code_room();
590 void primitive_code_room();
591 void primitive_strip_stack_traces();
593 void primitive_code_blocks();
596 void init_callbacks(cell size);
597 void primitive_callback();
600 void init_objects(image_header *h);
601 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
602 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
603 bool save_image(const vm_char *saving_filename, const vm_char *filename);
604 void primitive_save_image();
605 void primitive_save_image_and_exit();
606 void fixup_data(cell data_offset, cell code_offset);
607 void fixup_code(cell data_offset, cell code_offset);
608 void load_image(vm_parameters *p);
611 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
612 void check_frame(stack_frame *frame);
613 callstack *allot_callstack(cell size);
614 stack_frame *second_from_top_stack_frame(context *ctx);
615 cell capture_callstack(context *ctx);
616 void primitive_callstack();
617 void primitive_callstack_for();
618 code_block *frame_code(stack_frame *frame);
619 code_block_type frame_type(stack_frame *frame);
620 cell frame_executing(stack_frame *frame);
621 cell frame_executing_quot(stack_frame *frame);
622 stack_frame *frame_successor(stack_frame *frame);
623 cell frame_scan(stack_frame *frame);
624 cell frame_offset(stack_frame *frame);
625 void set_frame_offset(stack_frame *frame, cell offset);
626 void primitive_callstack_to_array();
627 stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top);
628 void primitive_innermost_stack_frame_executing();
629 void primitive_innermost_stack_frame_scan();
630 void primitive_set_innermost_stack_frame_quot();
631 void primitive_callstack_bounds();
632 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
635 void dispatch_signal_handler(cell *sp, cell *pc, cell newpc);
638 char *pinned_alien_offset(cell obj);
639 cell allot_alien(cell delegate_, cell displacement);
640 cell allot_alien(void *address);
641 void primitive_displaced_alien();
642 void primitive_alien_address();
643 void *alien_pointer();
644 void primitive_dlopen();
645 void primitive_dlsym();
646 void primitive_dlsym_raw();
647 void primitive_dlclose();
648 void primitive_dll_validp();
649 char *alien_offset(cell obj);
652 void primitive_jit_compile();
653 void *lazy_jit_compile_entry_point();
654 void primitive_array_to_quotation();
655 void primitive_quotation_code();
656 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
657 void jit_compile_quot(cell quot_, bool relocating);
658 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
659 cell lazy_jit_compile(cell quot);
660 bool quot_compiled_p(quotation *quot);
661 void primitive_quot_compiled_p();
662 cell find_all_quotations();
663 void initialize_all_quotations();
666 cell search_lookup_alist(cell table, cell klass);
667 cell search_lookup_hash(cell table, cell klass, cell hashcode);
668 cell nth_superclass(tuple_layout *layout, fixnum echelon);
669 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
670 cell lookup_tuple_method(cell obj, cell methods);
671 cell lookup_method(cell obj, cell methods);
672 void primitive_lookup_method();
673 cell object_class(cell obj);
674 cell method_cache_hashcode(cell klass, array *array);
675 void update_method_cache(cell cache, cell klass, cell method);
676 void primitive_mega_cache_miss();
677 void primitive_reset_dispatch_stats();
678 void primitive_dispatch_stats();
681 void init_inline_caching(int max_size);
682 void deallocate_inline_cache(cell return_address);
683 cell determine_inline_cache_type(array *cache_entries);
684 void update_pic_count(cell type);
685 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
686 void *megamorphic_call_stub(cell generic_word);
687 cell inline_cache_size(cell cache_entries);
688 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
689 void update_pic_transitions(cell pic_size);
690 void *inline_cache_miss(cell return_address);
693 void c_to_factor(cell quot);
694 template<typename Func> Func get_entry_point(cell n);
695 void unwind_native_frames(cell quot, stack_frame *to);
696 cell get_fpu_state();
697 void set_fpu_state(cell state);
700 void default_parameters(vm_parameters *p);
701 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
702 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
703 void prepare_boot_image();
704 void init_factor(vm_parameters *p);
705 void pass_args_to_factor(int argc, vm_char **argv);
706 void start_factor(vm_parameters *p);
708 void start_embedded_factor(vm_parameters *p);
709 void start_standalone_factor(int argc, vm_char **argv);
710 char *factor_eval_string(char *string);
711 void factor_eval_free(char *result);
713 void factor_sleep(long us);
716 void primitive_existsp();
717 void move_file(const vm_char *path1, const vm_char *path2);
719 void ffi_dlopen(dll *dll);
720 void *ffi_dlsym(dll *dll, symbol_char *symbol);
721 void *ffi_dlsym_raw(dll *dll, symbol_char *symbol);
723 void *ffi_dlsym_toc(dll *dll, symbol_char *symbol);
725 void ffi_dlclose(dll *dll);
726 void c_to_factor_toplevel(cell quot);
728 void start_sampling_profiler_timer();
729 void end_sampling_profiler_timer();
732 void unlock_console();
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);
744 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
747 void dispatch_signal(void *uap, void (handler)());
748 void unix_init_signals();
752 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);
755 factor_vm(THREADHANDLE thread_id);