9 // First five fields accessed directly by assembler. See vm.factor
14 /* New objects are allocated here */
15 nursery_space nursery;
17 /* Add this to a shifted address to compute write barrier offsets */
21 /* TAGGED user environment data; see getenv/setenv prims */
22 cell special_objects[special_object_count];
24 /* Data stack and retain stack sizes */
25 cell ds_size, rs_size;
27 /* Pooling unused contexts to make callbacks cheaper */
28 context *unused_contexts;
30 /* Canonical truth value. In Factor, 't' */
33 /* Is call counting enabled? */
36 /* Global variables used to pass fault handler state from signal handler to
39 cell signal_fault_addr;
40 unsigned int signal_fpu_status;
41 stack_frame *signal_callstack_top;
43 /* GC is off during heap walking */
52 /* Pinned callback stubs */
53 callback_heap *callbacks;
55 /* Only set if we're performing a GC */
58 /* If not NULL, we push GC events here */
59 std::vector<gc_event> *gc_events;
61 /* If a runtime function needs to call another function which potentially
62 allocates memory, it must wrap any references to the data and code
63 heaps with data_root and code_root smart pointers, which register
64 themselves here. See data_roots.hpp and code_roots.hpp */
65 std::vector<data_root_range> data_roots;
66 std::vector<cell> bignum_roots;
67 std::vector<code_root *> code_roots;
73 /* Canonical bignums */
78 /* Method dispatch statistics */
79 dispatch_statistics dispatch_stats;
81 /* Number of entries in a polymorphic inline cache */
84 /* Incrementing object counter for identity hashing */
88 void reset_datastack();
89 void reset_retainstack();
92 context *alloc_context();
93 void dealloc_context(context *old_context);
94 void nest_stacks(stack_frame *magic_frame);
96 void init_stacks(cell ds_size_, cell rs_size_);
97 bool stack_to_array(cell bottom, cell top);
98 cell array_to_stack(array *array, cell bottom);
99 void primitive_datastack();
100 void primitive_retainstack();
101 void primitive_set_datastack();
102 void primitive_set_retainstack();
103 void primitive_check_datastack();
104 void primitive_load_locals();
106 template<typename Iterator> void iterate_active_frames(Iterator &iter)
108 context *ctx = this->ctx;
112 iterate_callstack(ctx,iter);
113 if(ctx->magic_frame) iter(ctx->magic_frame);
119 void primitive_exit();
120 void primitive_micros();
121 void primitive_sleep();
122 void primitive_set_slot();
125 void primitive_special_object();
126 void primitive_set_special_object();
127 void primitive_identity_hashcode();
128 void compute_identity_hashcode(object *obj);
129 void primitive_compute_identity_hashcode();
130 cell object_size(cell tagged);
131 cell clone_object(cell obj_);
132 void primitive_clone();
133 void primitive_become();
136 void init_profiler();
137 code_block *compile_profiling_stub(cell word_);
138 void set_profiling(bool profiling);
139 void primitive_profiling();
142 void throw_error(cell error, stack_frame *callstack_top);
143 void not_implemented_error();
144 bool in_page(cell fault, cell area, cell area_size, int offset);
145 void memory_protection_error(cell addr, stack_frame *native_stack);
146 void signal_error(int signal, stack_frame *native_stack);
147 void divide_by_zero_error();
148 void fp_trap_error(unsigned int fpu_status, stack_frame *signal_callstack_top);
149 void primitive_call_clear();
150 void primitive_unimplemented();
151 void memory_signal_handler_impl();
152 void misc_signal_handler_impl();
153 void fp_signal_handler_impl();
154 void type_error(cell type, cell tagged);
155 void general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *native_stack);
158 int bignum_equal_p(bignum * x, bignum * y);
159 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
160 bignum *bignum_add(bignum * x, bignum * y);
161 bignum *bignum_subtract(bignum * x, bignum * y);
162 bignum *bignum_multiply(bignum * x, bignum * y);
163 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
164 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
165 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
166 cell bignum_to_cell(bignum * bignum);
167 fixnum bignum_to_fixnum(bignum * bignum);
168 s64 bignum_to_long_long(bignum * bignum);
169 u64 bignum_to_ulong_long(bignum * bignum);
170 double bignum_to_double(bignum * bignum);
171 bignum *double_to_bignum(double x);
172 int bignum_equal_p_unsigned(bignum * x, bignum * y);
173 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
174 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
175 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
176 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
177 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
178 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
179 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
180 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
181 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
182 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
183 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
184 bignum_digit_type guess, bignum_digit_type * u_start);
185 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
186 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
187 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
188 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
189 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
190 bignum_digit_type v, bignum_digit_type * q) /* return value */;
191 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
192 bignum_digit_type guess, bignum_digit_type * u);
193 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
194 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
195 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
196 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
197 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
198 bignum *allot_bignum(bignum_length_type length, int negative_p);
199 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
200 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
201 bignum *bignum_trim(bignum * bignum);
202 bignum *bignum_new_sign(bignum * x, int negative_p);
203 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
204 void bignum_destructive_copy(bignum * source, bignum * target);
205 bignum *bignum_bitwise_not(bignum * x);
206 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
207 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
208 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
209 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
210 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
211 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
212 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
213 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
214 void bignum_negate_magnitude(bignum * arg);
215 bignum *bignum_integer_length(bignum * x);
216 int bignum_logbitp(int shift, bignum * arg);
217 int bignum_unsigned_logbitp(int shift, bignum * bignum);
218 bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p);
221 void init_card_decks();
222 void set_data_heap(data_heap *data_);
223 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
224 void primitive_size();
225 data_heap_room data_room();
226 void primitive_data_room();
229 cell instances(cell type);
230 void primitive_all_instances();
231 cell find_all_words();
233 template<typename Generation, typename Iterator>
234 inline void each_object(Generation *gen, Iterator &iterator)
236 cell obj = gen->first_object();
239 iterator((object *)obj);
240 obj = gen->next_object_after(obj);
244 template<typename Iterator> inline void each_object(Iterator &iterator)
248 each_object(data->tenured,iterator);
249 each_object(data->aging,iterator);
250 each_object(data->nursery,iterator);
255 /* the write barrier must be called any time we are potentially storing a
256 pointer from an older generation to a younger one */
257 inline void write_barrier(cell *slot_ptr)
259 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
260 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
263 inline void write_barrier(object *obj, cell size)
265 cell start = (cell)obj & -card_size;
266 cell end = ((cell)obj + size + card_size - 1) & -card_size;
268 for(cell offset = start; offset < end; offset += card_size)
269 write_barrier((cell *)offset);
273 void check_data_heap();
277 void start_gc_again();
278 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
279 void collect_nursery();
280 void collect_aging();
281 void collect_to_tenured();
282 void update_code_roots_for_sweep();
283 void update_code_roots_for_compaction();
284 void collect_mark_impl(bool trace_contexts_p);
285 void collect_sweep_impl();
286 void collect_full(bool trace_contexts_p);
287 void collect_compact_impl(bool trace_contexts_p);
288 void collect_compact_code_impl(bool trace_contexts_p);
289 void collect_compact(bool trace_contexts_p);
290 void collect_growing_heap(cell requested_bytes, bool trace_contexts_p);
291 void gc(gc_op op, cell requested_bytes, bool trace_contexts_p);
292 void primitive_minor_gc();
293 void primitive_full_gc();
294 void primitive_compact_gc();
295 void inline_gc(cell *data_roots_base, cell data_roots_size);
296 void primitive_enable_gc_events();
297 void primitive_disable_gc_events();
298 object *allot_object(cell type, cell size);
299 object *allot_large_object(cell type, cell size);
301 template<typename Type> Type *allot(cell size)
303 return (Type *)allot_object(Type::type_number,size);
306 inline void check_data_pointer(object *pointer)
309 if(!(current_gc && current_gc->op == collect_growing_heap_op))
311 assert((cell)pointer >= data->seg->start
312 && (cell)pointer < data->seg->end);
318 template<typename Array> Array *allot_uninitialized_array(cell capacity);
319 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
320 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
323 void print_chars(string* str);
324 void print_word(word* word, cell nesting);
325 void print_factor_string(string* str);
326 void print_array(array* array, cell nesting);
327 void print_tuple(tuple *tuple, cell nesting);
328 void print_nested_obj(cell obj, fixnum nesting);
329 void print_obj(cell obj);
330 void print_objects(cell *start, cell *end);
331 void print_datastack();
332 void print_retainstack();
333 void print_callstack();
334 void dump_cell(cell x);
335 void dump_memory(cell from, cell to);
336 template<typename Generation> void dump_generation(const char *name, Generation *gen);
337 void dump_generations();
338 void dump_objects(cell type);
339 void find_data_references_step(cell *scan);
340 void find_data_references(cell look_for_);
341 void dump_code_heap();
343 void primitive_die();
346 array *allot_array(cell capacity, cell fill_);
347 void primitive_array();
348 cell allot_array_1(cell obj_);
349 cell allot_array_2(cell v1_, cell v2_);
350 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
351 void primitive_resize_array();
352 inline void set_array_nth(array *array, cell slot, cell value);
355 cell string_nth(const string *str, cell index);
356 void set_string_nth_fast(string *str, cell index, cell ch);
357 void set_string_nth_slow(string *str_, cell index, cell ch);
358 void set_string_nth(string *str, cell index, cell ch);
359 string *allot_string_internal(cell capacity);
360 void fill_string(string *str_, cell start, cell capacity, cell fill);
361 string *allot_string(cell capacity, cell fill);
362 void primitive_string();
363 bool reallot_string_in_place_p(string *str, cell capacity);
364 string* reallot_string(string *str_, cell capacity);
365 void primitive_resize_string();
366 void primitive_string_nth();
367 void primitive_set_string_nth_fast();
368 void primitive_set_string_nth_slow();
371 void box_boolean(bool value);
372 bool to_boolean(cell value);
373 inline cell tag_boolean(cell untagged);
376 byte_array *allot_byte_array(cell size);
377 void primitive_byte_array();
378 void primitive_uninitialized_byte_array();
379 void primitive_resize_byte_array();
381 template<typename Type> byte_array *byte_array_from_value(Type *value);
384 void primitive_tuple();
385 void primitive_tuple_boa();
388 word *allot_word(cell name_, cell vocab_, cell hashcode_);
389 void primitive_word();
390 void primitive_word_xt();
391 void update_word_xt(word *w_);
392 void primitive_optimized_p();
393 void primitive_wrapper();
396 void primitive_bignum_to_fixnum();
397 void primitive_float_to_fixnum();
398 void primitive_fixnum_divint();
399 void primitive_fixnum_divmod();
400 bignum *fixnum_to_bignum(fixnum);
401 bignum *cell_to_bignum(cell);
402 bignum *long_long_to_bignum(s64 n);
403 bignum *ulong_long_to_bignum(u64 n);
404 inline fixnum sign_mask(fixnum x);
405 inline fixnum branchless_max(fixnum x, fixnum y);
406 inline fixnum branchless_abs(fixnum x);
407 void primitive_fixnum_shift();
408 void primitive_fixnum_to_bignum();
409 void primitive_float_to_bignum();
410 void primitive_bignum_eq();
411 void primitive_bignum_add();
412 void primitive_bignum_subtract();
413 void primitive_bignum_multiply();
414 void primitive_bignum_divint();
415 void primitive_bignum_divmod();
416 void primitive_bignum_mod();
417 void primitive_bignum_and();
418 void primitive_bignum_or();
419 void primitive_bignum_xor();
420 void primitive_bignum_shift();
421 void primitive_bignum_less();
422 void primitive_bignum_lesseq();
423 void primitive_bignum_greater();
424 void primitive_bignum_greatereq();
425 void primitive_bignum_not();
426 void primitive_bignum_bitp();
427 void primitive_bignum_log2();
428 unsigned int bignum_producer(unsigned int digit);
429 void primitive_byte_array_to_bignum();
430 inline cell unbox_array_size();
431 cell unbox_array_size_slow();
432 void primitive_fixnum_to_float();
433 void primitive_bignum_to_float();
434 void primitive_str_to_float();
435 void primitive_float_to_str();
436 void primitive_float_eq();
437 void primitive_float_add();
438 void primitive_float_subtract();
439 void primitive_float_multiply();
440 void primitive_float_divfloat();
441 void primitive_float_mod();
442 void primitive_float_less();
443 void primitive_float_lesseq();
444 void primitive_float_greater();
445 void primitive_float_greatereq();
446 void primitive_float_bits();
447 void primitive_bits_float();
448 void primitive_double_bits();
449 void primitive_bits_double();
450 fixnum to_fixnum(cell tagged);
451 cell to_cell(cell tagged);
452 void box_signed_1(s8 n);
453 void box_unsigned_1(u8 n);
454 void box_signed_2(s16 n);
455 void box_unsigned_2(u16 n);
456 void box_signed_4(s32 n);
457 void box_unsigned_4(u32 n);
458 void box_signed_cell(fixnum integer);
459 void box_unsigned_cell(cell cell);
460 void box_signed_8(s64 n);
461 s64 to_signed_8(cell obj);
462 void box_unsigned_8(u64 n);
463 u64 to_unsigned_8(cell obj);
464 void box_float(float flo);
465 float to_float(cell value);
466 void box_double(double flo);
467 double to_double(cell value);
468 inline void overflow_fixnum_add(fixnum x, fixnum y);
469 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
470 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
471 inline cell allot_integer(fixnum x);
472 inline cell allot_cell(cell x);
473 inline cell allot_float(double n);
474 inline bignum *float_to_bignum(cell tagged);
475 inline double bignum_to_float(cell tagged);
476 inline double untag_float(cell tagged);
477 inline double untag_float_check(cell tagged);
478 inline fixnum float_to_fixnum(cell tagged);
479 inline double fixnum_to_float(cell tagged);
482 template<typename Type> Type *untag_check(cell value);
487 void primitive_fopen();
488 void primitive_fgetc();
489 void primitive_fread();
490 void primitive_fputc();
491 void primitive_fwrite();
492 void primitive_ftell();
493 void primitive_fseek();
494 void primitive_fflush();
495 void primitive_fclose();
498 relocation_type relocation_type_of(relocation_entry r);
499 relocation_class relocation_class_of(relocation_entry r);
500 cell relocation_offset_of(relocation_entry r);
501 void flush_icache_for(code_block *block);
502 int number_of_parameters(relocation_type type);
503 void *object_xt(cell obj);
504 void *xt_pic(word *w, cell tagged_quot);
505 void *word_xt_pic(word *w);
506 void *word_xt_pic_tail(word *w);
507 void undefined_symbol();
508 void *get_rel_symbol(array *literals, cell index);
509 cell compute_relocation(relocation_entry rel, cell index, code_block *compiled);
510 template<typename Iterator> void iterate_relocations(code_block *compiled, Iterator &iter);
511 void store_address_2_2(cell *ptr, cell value);
512 void store_address_masked(cell *ptr, fixnum value, cell mask, fixnum shift);
513 void store_address_in_code_block(cell klass, cell offset, fixnum absolute_value);
514 void update_literal_references(code_block *compiled);
515 void relocate_code_block_step(relocation_entry rel, cell index, code_block *compiled);
516 void update_word_references(code_block *compiled);
517 void update_code_block_words_and_literals(code_block *compiled);
518 void check_code_address(cell address);
519 void relocate_code_block(code_block *compiled);
520 void fixup_labels(array *labels, code_block *compiled);
521 code_block *allot_code_block(cell size, code_block_type type);
522 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell literals_);
525 inline void check_code_pointer(cell ptr)
528 assert(in_code_heap_p(ptr));
532 void init_code_heap(cell size);
533 bool in_code_heap_p(cell ptr);
534 void jit_compile_word(cell word_, cell def_, bool relocate);
535 void update_code_heap_words();
536 void update_code_heap_words_and_literals();
537 void primitive_modify_code_heap();
538 code_heap_room code_room();
539 void primitive_code_room();
540 void primitive_strip_stack_traces();
542 /* Apply a function to every code block */
543 template<typename Iterator> void iterate_code_heap(Iterator &iter)
545 code->allocator->iterate(iter);
549 void init_callbacks(cell size);
550 void primitive_callback();
553 void init_objects(image_header *h);
554 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
555 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
556 bool save_image(const vm_char *filename);
557 void primitive_save_image();
558 void primitive_save_image_and_exit();
559 void data_fixup(cell *handle, cell data_relocation_base);
560 template<typename Type> void code_fixup(Type **handle, cell code_relocation_base);
561 void fixup_word(word *word, cell code_relocation_base);
562 void fixup_quotation(quotation *quot, cell code_relocation_base);
563 void fixup_alien(alien *d);
564 void fixup_callstack_object(callstack *stack, cell code_relocation_base);
565 void relocate_object(object *object, cell data_relocation_base, cell code_relocation_base);
566 void relocate_data(cell data_relocation_base, cell code_relocation_base);
567 void fixup_code_block(code_block *compiled, cell data_relocation_base);
568 void relocate_code(cell data_relocation_base);
569 void load_image(vm_parameters *p);
572 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
573 void check_frame(stack_frame *frame);
574 callstack *allot_callstack(cell size);
575 stack_frame *fix_callstack_top(stack_frame *top, stack_frame *bottom);
576 stack_frame *capture_start();
577 void primitive_callstack();
578 void primitive_set_callstack();
579 code_block *frame_code(stack_frame *frame);
580 code_block_type frame_type(stack_frame *frame);
581 cell frame_executing(stack_frame *frame);
582 stack_frame *frame_successor(stack_frame *frame);
583 cell frame_scan(stack_frame *frame);
584 void primitive_callstack_to_array();
585 stack_frame *innermost_stack_frame(callstack *stack);
586 stack_frame *innermost_stack_frame_quot(callstack *callstack);
587 void primitive_innermost_stack_frame_executing();
588 void primitive_innermost_stack_frame_scan();
589 void primitive_set_innermost_stack_frame_quot();
590 void save_callstack_bottom(stack_frame *callstack_bottom);
591 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
594 char *pinned_alien_offset(cell obj);
595 cell allot_alien(cell delegate_, cell displacement);
596 void primitive_displaced_alien();
597 void primitive_alien_address();
598 void *alien_pointer();
599 void primitive_dlopen();
600 void primitive_dlsym();
601 void primitive_dlclose();
602 void primitive_dll_validp();
603 void primitive_vm_ptr();
604 char *alien_offset(cell obj);
606 void box_alien(void *ptr);
607 void to_value_struct(cell src, void *dest, cell size);
608 void box_value_struct(void *src, cell size);
609 void box_small_struct(cell x, cell y, cell size);
610 void box_medium_struct(cell x1, cell x2, cell x3, cell x4, cell size);
613 void primitive_jit_compile();
614 void primitive_array_to_quotation();
615 void primitive_quotation_xt();
616 void set_quot_xt(quotation *quot, code_block *code);
617 void jit_compile(cell quot_, bool relocating);
618 void compile_all_words();
619 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
620 cell lazy_jit_compile_impl(cell quot_, stack_frame *stack);
621 void primitive_quot_compiled_p();
624 cell search_lookup_alist(cell table, cell klass);
625 cell search_lookup_hash(cell table, cell klass, cell hashcode);
626 cell nth_superclass(tuple_layout *layout, fixnum echelon);
627 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
628 cell lookup_tuple_method(cell obj, cell methods);
629 cell lookup_method(cell obj, cell methods);
630 void primitive_lookup_method();
631 cell object_class(cell obj);
632 cell method_cache_hashcode(cell klass, array *array);
633 void update_method_cache(cell cache, cell klass, cell method);
634 void primitive_mega_cache_miss();
635 void primitive_reset_dispatch_stats();
636 void primitive_dispatch_stats();
639 void init_inline_caching(int max_size);
640 void deallocate_inline_cache(cell return_address);
641 cell determine_inline_cache_type(array *cache_entries);
642 void update_pic_count(cell type);
643 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
644 void *megamorphic_call_stub(cell generic_word);
645 cell inline_cache_size(cell cache_entries);
646 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
647 void update_pic_transitions(cell pic_size);
648 void *inline_cache_miss(cell return_address);
651 void default_parameters(vm_parameters *p);
652 bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
653 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
654 void do_stage1_init();
655 void init_factor(vm_parameters *p);
656 void pass_args_to_factor(int argc, vm_char **argv);
657 void start_factor(vm_parameters *p);
659 void start_embedded_factor(vm_parameters *p);
660 void start_standalone_factor(int argc, vm_char **argv);
661 char *factor_eval_string(char *string);
662 void factor_eval_free(char *result);
664 void factor_sleep(long us);
667 void primitive_existsp();
669 void ffi_dlopen(dll *dll);
670 void *ffi_dlsym(dll *dll, symbol_char *symbol);
671 void ffi_dlclose(dll *dll);
672 void c_to_factor_toplevel(cell quot);
676 void sleep_micros(u64 usec);
677 const vm_char *vm_executable_path();
678 const vm_char *default_image_path();
679 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
680 bool windows_stat(vm_char *path);
684 LONG exception_handler(PEXCEPTION_POINTERS pe);
687 void dispatch_signal(void *uap, void (handler)());
691 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);
698 extern std::map<THREADHANDLE, factor_vm *> thread_vms;