9 // First 5 fields accessed directly by compiler. See basis/vm/vm.factor
14 /* Spare context -- for callbacks */
17 /* New objects are allocated here */
18 nursery_space nursery;
20 /* Add this to a shifted address to compute write barrier offsets */
24 /* Various special objects, accessed by special-object and
25 set-special-object primitives */
26 cell special_objects[special_object_count];
28 /* Data stack and retain stack sizes */
29 cell datastack_size, retainstack_size, callstack_size;
31 /* Stack of callback IDs */
32 std::vector<int> callback_ids;
34 /* Next callback ID */
37 /* Pooling unused contexts to make context allocation cheaper */
38 std::vector<context *> unused_contexts;
40 /* Active contexts, for tracing by the GC */
41 std::set<context *> active_contexts;
43 /* Canonical truth value. In Factor, 't' */
46 /* External entry points */
47 c_to_factor_func_type c_to_factor_func;
49 /* Is call counting enabled? */
52 /* Global variables used to pass fault handler state from signal handler
55 cell signal_fault_addr;
56 unsigned int signal_fpu_status;
58 /* GC is off during heap walking */
67 /* Pinned callback stubs */
68 callback_heap *callbacks;
70 /* Only set if we're performing a GC */
74 std::vector<cell> mark_stack;
76 /* If not NULL, we push GC events here */
77 std::vector<gc_event> *gc_events;
79 /* If a runtime function needs to call another function which potentially
80 allocates memory, it must wrap any references to the data and code
81 heaps with data_root and code_root smart pointers, which register
82 themselves here. See data_roots.hpp and code_roots.hpp */
83 std::vector<data_root_range> data_roots;
84 std::vector<cell> bignum_roots;
85 std::vector<code_root *> code_roots;
91 /* Canonical bignums */
96 /* Method dispatch statistics */
97 dispatch_statistics dispatch_stats;
99 /* Number of entries in a polymorphic inline cache */
102 /* Incrementing object counter for identity hashing */
105 /* Sanity check to ensure that monotonic counter doesn't
109 /* Stack for signal handlers, only used on Unix */
110 segment *signal_callstack_seg;
113 context *new_context();
114 void init_context(context *ctx);
115 void delete_context(context *old_context);
116 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
117 void delete_contexts();
118 cell begin_callback(cell quot);
120 void primitive_current_callback();
121 void primitive_context_object();
122 void primitive_context_object_for();
123 void primitive_set_context_object();
124 cell stack_to_array(cell bottom, cell top);
125 cell datastack_to_array(context *ctx);
126 void primitive_datastack();
127 void primitive_datastack_for();
128 cell retainstack_to_array(context *ctx);
129 void primitive_retainstack();
130 void primitive_retainstack_for();
131 cell array_to_stack(array *array, cell bottom);
132 void set_datastack(context *ctx, array *array);
133 void primitive_set_datastack();
134 void set_retainstack(context *ctx, array *array);
135 void primitive_set_retainstack();
136 void primitive_check_datastack();
137 void primitive_load_locals();
139 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
141 std::set<context *>::const_iterator begin = active_contexts.begin();
142 std::set<context *>::const_iterator end = active_contexts.end();
143 while(begin != end) iterate_callstack(*begin++,iter);
147 void primitive_exit();
148 void primitive_nano_count();
149 void primitive_sleep();
150 void primitive_set_slot();
153 void primitive_special_object();
154 void primitive_set_special_object();
155 void primitive_identity_hashcode();
156 void compute_identity_hashcode(object *obj);
157 void primitive_compute_identity_hashcode();
158 cell object_size(cell tagged);
159 cell clone_object(cell obj_);
160 void primitive_clone();
161 void primitive_become();
164 void init_profiler();
165 code_block *compile_profiling_stub(cell word_);
166 void set_profiling(bool profiling);
167 void primitive_profiling();
170 void throw_error(cell error);
171 void general_error(vm_error_type error, cell arg1, cell arg2);
172 void type_error(cell type, cell tagged);
173 void not_implemented_error();
174 void memory_protection_error(cell addr);
175 void signal_error(cell signal);
176 void divide_by_zero_error();
177 void fp_trap_error(unsigned int fpu_status);
178 void primitive_unimplemented();
179 void memory_signal_handler_impl();
180 void misc_signal_handler_impl();
181 void fp_signal_handler_impl();
184 int bignum_equal_p(bignum * x, bignum * y);
185 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
186 bignum *bignum_add(bignum * x, bignum * y);
187 bignum *bignum_subtract(bignum * x, bignum * y);
188 bignum *bignum_multiply(bignum * x, bignum * y);
189 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
190 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
191 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
192 cell bignum_to_cell(bignum * bignum);
193 fixnum bignum_to_fixnum(bignum * bignum);
194 s64 bignum_to_long_long(bignum * bignum);
195 u64 bignum_to_ulong_long(bignum * bignum);
196 double bignum_to_double(bignum * bignum);
197 bignum *double_to_bignum(double x);
198 int bignum_equal_p_unsigned(bignum * x, bignum * y);
199 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
200 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
201 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
202 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
203 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
204 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
205 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
206 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
207 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
208 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
209 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
210 bignum_digit_type guess, bignum_digit_type * u_start);
211 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
212 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
213 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
214 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
215 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
216 bignum_digit_type v, bignum_digit_type * q) /* return value */;
217 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
218 bignum_digit_type guess, bignum_digit_type * u);
219 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
220 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
221 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
222 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
223 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
224 bignum *allot_bignum(bignum_length_type length, int negative_p);
225 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
226 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
227 bignum *bignum_trim(bignum * bignum);
228 bignum *bignum_new_sign(bignum * x, int negative_p);
229 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
230 void bignum_destructive_copy(bignum * source, bignum * target);
231 bignum *bignum_bitwise_not(bignum * x);
232 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
233 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
234 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
235 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
236 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
237 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
238 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
239 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
240 void bignum_negate_magnitude(bignum * arg);
241 bignum *bignum_integer_length(bignum * x);
242 int bignum_logbitp(int shift, bignum * arg);
243 int bignum_unsigned_logbitp(int shift, bignum * bignum);
244 bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p);
247 void init_card_decks();
248 void set_data_heap(data_heap *data_);
249 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
250 void primitive_size();
251 data_heap_room data_room();
252 void primitive_data_room();
255 cell instances(cell type);
256 void primitive_all_instances();
258 template<typename Generation, typename Iterator>
259 inline void each_object(Generation *gen, Iterator &iterator)
261 cell obj = gen->first_object();
264 iterator((object *)obj);
265 obj = gen->next_object_after(obj);
269 template<typename Iterator> inline void each_object(Iterator &iterator)
273 each_object(data->tenured,iterator);
274 each_object(data->aging,iterator);
275 each_object(data->nursery,iterator);
280 /* the write barrier must be called any time we are potentially storing a
281 pointer from an older generation to a younger one */
282 inline void write_barrier(cell *slot_ptr)
284 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
285 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
288 inline void write_barrier(object *obj, cell size)
290 cell start = (cell)obj & (~card_size + 1);
291 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
293 for(cell offset = start; offset < end; offset += card_size)
294 write_barrier((cell *)offset);
298 void check_data_heap();
302 void set_current_gc_op(gc_op op);
303 void start_gc_again();
304 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
305 void collect_nursery();
306 void collect_aging();
307 void collect_to_tenured();
308 void update_code_roots_for_sweep();
309 void update_code_roots_for_compaction();
310 void collect_mark_impl(bool trace_contexts_p);
311 void collect_sweep_impl();
312 void collect_full(bool trace_contexts_p);
313 void collect_compact_impl(bool trace_contexts_p);
314 void collect_compact_code_impl(bool trace_contexts_p);
315 void collect_compact(bool trace_contexts_p);
316 void collect_growing_heap(cell requested_bytes, bool trace_contexts_p);
317 void gc(gc_op op, cell requested_bytes, bool trace_contexts_p);
318 void scrub_context(context *ctx);
319 void scrub_contexts();
320 void primitive_minor_gc();
321 void primitive_full_gc();
322 void primitive_compact_gc();
323 void primitive_enable_gc_events();
324 void primitive_disable_gc_events();
325 object *allot_object(cell type, cell size);
326 object *allot_large_object(cell type, cell size);
328 template<typename Type> Type *allot(cell size)
330 return (Type *)allot_object(Type::type_number,size);
333 inline void check_data_pointer(object *pointer)
336 if(!(current_gc && current_gc->op == collect_growing_heap_op))
338 assert((cell)pointer >= data->seg->start
339 && (cell)pointer < data->seg->end);
345 template<typename Array> Array *allot_uninitialized_array(cell capacity);
346 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
347 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
350 void print_chars(string* str);
351 void print_word(word* word, cell nesting);
352 void print_factor_string(string* str);
353 void print_array(array* array, cell nesting);
354 void print_tuple(tuple *tuple, cell nesting);
355 void print_nested_obj(cell obj, fixnum nesting);
356 void print_obj(cell obj);
357 void print_objects(cell *start, cell *end);
358 void print_datastack();
359 void print_retainstack();
360 void print_callstack();
361 void dump_cell(cell x);
362 void dump_memory(cell from, cell to);
363 template<typename Generation> void dump_generation(const char *name, Generation *gen);
364 void dump_generations();
365 void dump_objects(cell type);
366 void find_data_references_step(cell *scan);
367 void find_data_references(cell look_for_);
368 void dump_code_heap();
370 void primitive_die();
373 inline void set_array_nth(array *array, cell slot, cell value);
374 array *allot_array(cell capacity, cell fill_);
375 void primitive_array();
376 cell allot_array_1(cell obj_);
377 cell allot_array_2(cell v1_, cell v2_);
378 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
379 void primitive_resize_array();
380 cell std_vector_to_array(std::vector<cell> &elements);
383 string *allot_string_internal(cell capacity);
384 void fill_string(string *str_, cell start, cell capacity, cell fill);
385 string *allot_string(cell capacity, cell fill);
386 void primitive_string();
387 bool reallot_string_in_place_p(string *str, cell capacity);
388 string* reallot_string(string *str_, cell capacity);
389 void primitive_resize_string();
390 void primitive_set_string_nth_fast();
393 cell tag_boolean(cell untagged)
395 return (untagged ? true_object : false_object);
399 byte_array *allot_byte_array(cell size);
400 void primitive_byte_array();
401 void primitive_uninitialized_byte_array();
402 void primitive_resize_byte_array();
404 template<typename Type> byte_array *byte_array_from_value(Type *value);
407 void primitive_tuple();
408 void primitive_tuple_boa();
411 word *allot_word(cell name_, cell vocab_, cell hashcode_);
412 void primitive_word();
413 void primitive_word_code();
414 void update_word_entry_point(word *w_);
415 void primitive_optimized_p();
416 void primitive_wrapper();
417 void jit_compile_word(cell word_, cell def_, bool relocating);
418 cell find_all_words();
419 void compile_all_words();
422 void primitive_bignum_to_fixnum();
423 void primitive_float_to_fixnum();
424 void primitive_fixnum_divint();
425 void primitive_fixnum_divmod();
426 bignum *fixnum_to_bignum(fixnum);
427 bignum *cell_to_bignum(cell);
428 bignum *long_long_to_bignum(s64 n);
429 bignum *ulong_long_to_bignum(u64 n);
430 inline fixnum sign_mask(fixnum x);
431 inline fixnum branchless_max(fixnum x, fixnum y);
432 inline fixnum branchless_abs(fixnum x);
433 void primitive_fixnum_shift();
434 void primitive_fixnum_to_bignum();
435 void primitive_float_to_bignum();
436 void primitive_bignum_eq();
437 void primitive_bignum_add();
438 void primitive_bignum_subtract();
439 void primitive_bignum_multiply();
440 void primitive_bignum_divint();
441 void primitive_bignum_divmod();
442 void primitive_bignum_mod();
443 void primitive_bignum_and();
444 void primitive_bignum_or();
445 void primitive_bignum_xor();
446 void primitive_bignum_shift();
447 void primitive_bignum_less();
448 void primitive_bignum_lesseq();
449 void primitive_bignum_greater();
450 void primitive_bignum_greatereq();
451 void primitive_bignum_not();
452 void primitive_bignum_bitp();
453 void primitive_bignum_log2();
454 unsigned int bignum_producer(unsigned int digit);
455 void primitive_byte_array_to_bignum();
456 inline cell unbox_array_size();
457 cell unbox_array_size_slow();
458 void primitive_fixnum_to_float();
459 void primitive_bignum_to_float();
460 void primitive_format_float();
461 void primitive_float_eq();
462 void primitive_float_add();
463 void primitive_float_subtract();
464 void primitive_float_multiply();
465 void primitive_float_divfloat();
466 void primitive_float_less();
467 void primitive_float_lesseq();
468 void primitive_float_greater();
469 void primitive_float_greatereq();
470 void primitive_float_bits();
471 void primitive_bits_float();
472 void primitive_double_bits();
473 void primitive_bits_double();
474 fixnum to_fixnum(cell tagged);
475 cell to_cell(cell tagged);
476 cell from_signed_8(s64 n);
477 s64 to_signed_8(cell obj);
478 cell from_unsigned_8(u64 n);
479 u64 to_unsigned_8(cell obj);
480 float to_float(cell value);
481 double to_double(cell value);
482 inline void overflow_fixnum_add(fixnum x, fixnum y);
483 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
484 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
485 inline cell from_signed_cell(fixnum x);
486 inline cell from_unsigned_cell(cell x);
487 inline cell allot_float(double n);
488 inline bignum *float_to_bignum(cell tagged);
489 inline double bignum_to_float(cell tagged);
490 inline double untag_float(cell tagged);
491 inline double untag_float_check(cell tagged);
492 inline fixnum float_to_fixnum(cell tagged);
493 inline double fixnum_to_float(cell tagged);
496 template<typename Type> Type *untag_check(cell value);
501 FILE* safe_fopen(char *filename, char *mode);
502 int safe_fgetc(FILE *stream);
503 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
504 void safe_fputc(int c, FILE* stream);
505 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
506 int safe_ftell(FILE *stream);
507 void safe_fseek(FILE *stream, off_t offset, int whence);
508 void safe_fflush(FILE *stream);
509 void safe_fclose(FILE *stream);
510 void primitive_fopen();
511 FILE *pop_file_handle();
512 void primitive_fgetc();
513 void primitive_fread();
514 void primitive_fputc();
515 void primitive_fwrite();
516 void primitive_ftell();
517 void primitive_fseek();
518 void primitive_fflush();
519 void primitive_fclose();
522 cell compute_entry_point_address(cell obj);
523 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
524 cell compute_entry_point_pic_address(cell w_);
525 cell compute_entry_point_pic_tail_address(cell w_);
526 cell code_block_owner(code_block *compiled);
527 void update_word_references(code_block *compiled, bool reset_inline_caches);
528 void undefined_symbol();
529 cell compute_dlsym_address(array *literals, cell index);
530 cell compute_vm_address(cell arg);
531 void store_external_address(instruction_operand op);
532 cell compute_here_address(cell arg, cell offset, code_block *compiled);
533 void initialize_code_block(code_block *compiled, cell literals);
534 void initialize_code_block(code_block *compiled);
535 void fixup_labels(array *labels, code_block *compiled);
536 code_block *allot_code_block(cell size, code_block_type type);
537 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
540 inline void check_code_pointer(cell ptr) { }
542 template<typename Iterator> void each_code_block(Iterator &iter)
544 code->allocator->iterate(iter);
547 void init_code_heap(cell size);
548 bool in_code_heap_p(cell ptr);
549 void update_code_heap_words(bool reset_inline_caches);
550 void initialize_code_blocks();
551 void primitive_modify_code_heap();
552 code_heap_room code_room();
553 void primitive_code_room();
554 void primitive_strip_stack_traces();
556 void primitive_code_blocks();
559 void init_callbacks(cell size);
560 void primitive_callback();
563 void init_objects(image_header *h);
564 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
565 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
566 bool save_image(const vm_char *saving_filename, const vm_char *filename);
567 void primitive_save_image();
568 void primitive_save_image_and_exit();
569 void fixup_data(cell data_offset, cell code_offset);
570 void fixup_code(cell data_offset, cell code_offset);
571 void load_image(vm_parameters *p);
574 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
575 void check_frame(stack_frame *frame);
576 callstack *allot_callstack(cell size);
577 stack_frame *fix_callstack_top(stack_frame *top);
578 stack_frame *second_from_top_stack_frame(context *ctx);
579 cell capture_callstack(context *ctx);
580 void primitive_callstack();
581 void primitive_callstack_for();
582 code_block *frame_code(stack_frame *frame);
583 code_block_type frame_type(stack_frame *frame);
584 cell frame_executing(stack_frame *frame);
585 cell frame_executing_quot(stack_frame *frame);
586 stack_frame *frame_successor(stack_frame *frame);
587 cell frame_scan(stack_frame *frame);
588 cell frame_offset(stack_frame *frame);
589 void set_frame_offset(stack_frame *frame, cell offset);
590 void scrub_return_address();
591 void primitive_callstack_to_array();
592 stack_frame *innermost_stack_frame(callstack *stack);
593 void primitive_innermost_stack_frame_executing();
594 void primitive_innermost_stack_frame_scan();
595 void primitive_set_innermost_stack_frame_quot();
596 void primitive_callstack_bounds();
597 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
600 char *pinned_alien_offset(cell obj);
601 cell allot_alien(cell delegate_, cell displacement);
602 cell allot_alien(void *address);
603 void primitive_displaced_alien();
604 void primitive_alien_address();
605 void *alien_pointer();
606 void primitive_dlopen();
607 void primitive_dlsym();
608 void primitive_dlclose();
609 void primitive_dll_validp();
610 char *alien_offset(cell obj);
613 void primitive_jit_compile();
614 code_block *lazy_jit_compile_block();
615 void primitive_array_to_quotation();
616 void primitive_quotation_code();
617 void set_quot_entry_point(quotation *quot, code_block *code);
618 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
619 void jit_compile_quot(cell quot_, bool relocating);
620 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
621 cell lazy_jit_compile(cell quot);
622 bool quot_compiled_p(quotation *quot);
623 void primitive_quot_compiled_p();
624 cell find_all_quotations();
625 void initialize_all_quotations();
628 cell search_lookup_alist(cell table, cell klass);
629 cell search_lookup_hash(cell table, cell klass, cell hashcode);
630 cell nth_superclass(tuple_layout *layout, fixnum echelon);
631 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
632 cell lookup_tuple_method(cell obj, cell methods);
633 cell lookup_method(cell obj, cell methods);
634 void primitive_lookup_method();
635 cell object_class(cell obj);
636 cell method_cache_hashcode(cell klass, array *array);
637 void update_method_cache(cell cache, cell klass, cell method);
638 void primitive_mega_cache_miss();
639 void primitive_reset_dispatch_stats();
640 void primitive_dispatch_stats();
643 void init_inline_caching(int max_size);
644 void deallocate_inline_cache(cell return_address);
645 cell determine_inline_cache_type(array *cache_entries);
646 void update_pic_count(cell type);
647 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
648 void *megamorphic_call_stub(cell generic_word);
649 cell inline_cache_size(cell cache_entries);
650 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
651 void update_pic_transitions(cell pic_size);
652 void *inline_cache_miss(cell return_address);
655 void c_to_factor(cell quot);
656 template<typename Func> Func get_entry_point(cell n);
657 void unwind_native_frames(cell quot, stack_frame *to);
658 cell get_fpu_state();
659 void set_fpu_state(cell state);
662 void default_parameters(vm_parameters *p);
663 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
664 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
665 void prepare_boot_image();
666 void init_factor(vm_parameters *p);
667 void pass_args_to_factor(int argc, vm_char **argv);
668 void start_factor(vm_parameters *p);
670 void start_embedded_factor(vm_parameters *p);
671 void start_standalone_factor(int argc, vm_char **argv);
672 char *factor_eval_string(char *string);
673 void factor_eval_free(char *result);
675 void factor_sleep(long us);
678 void primitive_existsp();
679 void move_file(const vm_char *path1, const vm_char *path2);
681 void ffi_dlopen(dll *dll);
682 void *ffi_dlsym(dll *dll, symbol_char *symbol);
683 void ffi_dlclose(dll *dll);
684 void c_to_factor_toplevel(cell quot);
689 const vm_char *vm_executable_path();
690 const vm_char *default_image_path();
691 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
692 BOOL windows_stat(vm_char *path);
696 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
700 void dispatch_signal(void *uap, void (handler)());
701 void unix_init_signals();
705 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);