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 /* List of callback function descriptors for PPC */
38 std::list<void **> function_descriptors;
40 /* Pooling unused contexts to make context allocation cheaper */
41 std::list<context *> unused_contexts;
43 /* Active contexts, for tracing by the GC */
44 std::set<context *> active_contexts;
46 /* Canonical truth value. In Factor, 't' */
49 /* External entry points */
50 c_to_factor_func_type c_to_factor_func;
52 /* Is call counting enabled? */
55 /* Global variables used to pass fault handler state from signal handler
58 cell signal_fault_addr;
59 unsigned int signal_fpu_status;
60 cell safepoint_signal_number;
62 /* GC is off during heap walking */
71 /* Pinned callback stubs */
72 callback_heap *callbacks;
74 /* Only set if we're performing a GC */
78 std::vector<cell> mark_stack;
80 /* If not NULL, we push GC events here */
81 std::vector<gc_event> *gc_events;
83 /* If a runtime function needs to call another function which potentially
84 allocates memory, it must wrap any references to the data and code
85 heaps with data_root and code_root smart pointers, which register
86 themselves here. See data_roots.hpp and code_roots.hpp */
87 std::vector<data_root_range> data_roots;
88 std::vector<cell> bignum_roots;
89 std::vector<code_root *> code_roots;
95 /* Canonical bignums */
100 /* Method dispatch statistics */
101 dispatch_statistics dispatch_stats;
103 /* Number of entries in a polymorphic inline cache */
106 /* Incrementing object counter for identity hashing */
109 /* Sanity check to ensure that monotonic counter doesn't
113 /* Stack for signal handlers, only used on Unix */
114 segment *signal_callstack_seg;
117 context *new_context();
118 void init_context(context *ctx);
119 void delete_context(context *old_context);
120 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
121 void delete_contexts();
122 cell begin_callback(cell quot);
124 void primitive_current_callback();
125 void primitive_context_object();
126 void primitive_context_object_for();
127 void primitive_set_context_object();
128 cell stack_to_array(cell bottom, cell top);
129 cell datastack_to_array(context *ctx);
130 void primitive_datastack();
131 void primitive_datastack_for();
132 cell retainstack_to_array(context *ctx);
133 void primitive_retainstack();
134 void primitive_retainstack_for();
135 cell array_to_stack(array *array, cell bottom);
136 void set_datastack(context *ctx, array *array);
137 void primitive_set_datastack();
138 void set_retainstack(context *ctx, array *array);
139 void primitive_set_retainstack();
140 void primitive_check_datastack();
141 void primitive_load_locals();
143 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
145 std::set<context *>::const_iterator begin = active_contexts.begin();
146 std::set<context *>::const_iterator end = active_contexts.end();
147 while(begin != end) iterate_callstack(*begin++,iter);
151 void primitive_exit();
152 void primitive_nano_count();
153 void primitive_sleep();
154 void primitive_set_slot();
157 void primitive_special_object();
158 void primitive_set_special_object();
159 void primitive_identity_hashcode();
160 void compute_identity_hashcode(object *obj);
161 void primitive_compute_identity_hashcode();
162 cell object_size(cell tagged);
163 cell clone_object(cell obj_);
164 void primitive_clone();
165 void primitive_become();
168 void init_profiler();
169 code_block *compile_profiling_stub(cell word_);
170 void set_profiling(bool profiling);
171 void primitive_profiling();
174 void general_error(vm_error_type error, cell arg1, cell arg2);
175 void type_error(cell type, cell tagged);
176 void not_implemented_error();
177 void memory_protection_error(cell addr);
178 void signal_error(cell signal);
179 void divide_by_zero_error();
180 void fp_trap_error(unsigned int fpu_status);
181 void primitive_unimplemented();
182 void memory_signal_handler_impl();
183 void synchronous_signal_handler_impl();
184 void fp_signal_handler_impl();
185 void enqueue_safepoint_signal(cell signal);
186 void handle_safepoint();
187 void primitive_guard_safepoint();
190 int bignum_equal_p(bignum * x, bignum * y);
191 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
192 bignum *bignum_add(bignum * x, bignum * y);
193 bignum *bignum_subtract(bignum * x, bignum * y);
194 bignum *bignum_multiply(bignum * x, bignum * y);
195 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
196 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
197 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
198 cell bignum_to_cell(bignum * bignum);
199 fixnum bignum_to_fixnum(bignum * bignum);
200 s64 bignum_to_long_long(bignum * bignum);
201 u64 bignum_to_ulong_long(bignum * bignum);
202 bignum *double_to_bignum(double x);
203 int bignum_equal_p_unsigned(bignum * x, bignum * y);
204 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
205 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
206 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
207 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
208 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
209 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
210 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
211 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
212 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
213 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
214 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
215 bignum_digit_type guess, bignum_digit_type * u_start);
216 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
217 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
218 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
219 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
220 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
221 bignum_digit_type v, bignum_digit_type * q) /* return value */;
222 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
223 bignum_digit_type guess, bignum_digit_type * u);
224 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
225 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
226 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
227 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
228 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
229 bignum *allot_bignum(bignum_length_type length, int negative_p);
230 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
231 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
232 bignum *bignum_trim(bignum * bignum);
233 bignum *bignum_new_sign(bignum * x, int negative_p);
234 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
235 void bignum_destructive_copy(bignum * source, bignum * target);
236 bignum *bignum_bitwise_not(bignum * x);
237 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
238 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
239 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
240 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
241 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
242 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
243 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
244 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
245 void bignum_negate_magnitude(bignum * arg);
246 bignum *bignum_integer_length(bignum * x);
247 int bignum_logbitp(int shift, bignum * arg);
248 int bignum_unsigned_logbitp(int shift, bignum * bignum);
251 void init_card_decks();
252 void set_data_heap(data_heap *data_);
253 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
254 void primitive_size();
255 data_heap_room data_room();
256 void primitive_data_room();
259 cell instances(cell type);
260 void primitive_all_instances();
262 template<typename Generation, typename Iterator>
263 inline void each_object(Generation *gen, Iterator &iterator)
265 cell obj = gen->first_object();
268 iterator((object *)obj);
269 obj = gen->next_object_after(obj);
273 template<typename Iterator> inline void each_object(Iterator &iterator)
277 each_object(data->tenured,iterator);
278 each_object(data->aging,iterator);
279 each_object(data->nursery,iterator);
284 /* the write barrier must be called any time we are potentially storing a
285 pointer from an older generation to a younger one */
286 inline void write_barrier(cell *slot_ptr)
288 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
289 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
292 inline void write_barrier(object *obj, cell size)
294 cell start = (cell)obj & (~card_size + 1);
295 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
297 for(cell offset = start; offset < end; offset += card_size)
298 write_barrier((cell *)offset);
302 void check_data_heap();
306 void set_current_gc_op(gc_op op);
307 void start_gc_again();
308 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
309 void collect_nursery();
310 void collect_aging();
311 void collect_to_tenured();
312 void update_code_roots_for_sweep();
313 void update_code_roots_for_compaction();
314 void collect_mark_impl(bool trace_contexts_p);
315 void collect_sweep_impl();
316 void collect_full(bool trace_contexts_p);
317 void collect_compact_impl(bool trace_contexts_p);
318 void collect_compact_code_impl(bool trace_contexts_p);
319 void collect_compact(bool trace_contexts_p);
320 void collect_growing_heap(cell requested_size, bool trace_contexts_p);
321 void gc(gc_op op, cell requested_size, bool trace_contexts_p);
322 void scrub_context(context *ctx);
323 void scrub_contexts();
324 void primitive_minor_gc();
325 void primitive_full_gc();
326 void primitive_compact_gc();
327 void primitive_enable_gc_events();
328 void primitive_disable_gc_events();
329 object *allot_object(cell type, cell size);
330 object *allot_large_object(cell type, cell size);
332 template<typename Type> Type *allot(cell size)
334 return (Type *)allot_object(Type::type_number,size);
337 inline bool in_data_heap_p(cell pointer)
339 return (pointer >= data->seg->start && pointer < data->seg->end);
342 inline void check_data_pointer(object *pointer)
345 if(!(current_gc && current_gc->op == collect_growing_heap_op))
346 assert(in_data_heap_p((cell)pointer));
351 template<typename Array> Array *allot_uninitialized_array(cell capacity);
352 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
353 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
356 void print_chars(string* str);
357 void print_word(word* word, cell nesting);
358 void print_factor_string(string* str);
359 void print_array(array* array, cell nesting);
360 void print_tuple(tuple *tuple, cell nesting);
361 void print_nested_obj(cell obj, fixnum nesting);
362 void print_obj(cell obj);
363 void print_objects(cell *start, cell *end);
364 void print_datastack();
365 void print_retainstack();
366 void print_callstack();
367 void dump_cell(cell x);
368 void dump_memory(cell from, cell to);
369 template<typename Generation> void dump_generation(const char *name, Generation *gen);
370 void dump_generations();
371 void dump_objects(cell type);
372 void find_data_references_step(cell *scan);
373 void find_data_references(cell look_for_);
374 void dump_code_heap();
376 void primitive_die();
379 inline void set_array_nth(array *array, cell slot, cell value);
380 array *allot_array(cell capacity, cell fill_);
381 void primitive_array();
382 cell allot_array_1(cell obj_);
383 cell allot_array_2(cell v1_, cell v2_);
384 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
385 void primitive_resize_array();
386 cell std_vector_to_array(std::vector<cell> &elements);
389 string *allot_string_internal(cell capacity);
390 void fill_string(string *str_, cell start, cell capacity, cell fill);
391 string *allot_string(cell capacity, cell fill);
392 void primitive_string();
393 bool reallot_string_in_place_p(string *str, cell capacity);
394 string* reallot_string(string *str_, cell capacity);
395 void primitive_resize_string();
396 void primitive_set_string_nth_fast();
399 cell tag_boolean(cell untagged)
401 return (untagged ? true_object : false_object);
405 byte_array *allot_byte_array(cell size);
406 void primitive_byte_array();
407 void primitive_uninitialized_byte_array();
408 void primitive_resize_byte_array();
410 template<typename Type> byte_array *byte_array_from_value(Type *value);
413 void primitive_tuple();
414 void primitive_tuple_boa();
417 word *allot_word(cell name_, cell vocab_, cell hashcode_);
418 void primitive_word();
419 void primitive_word_code();
420 void update_word_entry_point(word *w_);
421 void primitive_optimized_p();
422 void primitive_wrapper();
423 void jit_compile_word(cell word_, cell def_, bool relocating);
424 cell find_all_words();
425 void compile_all_words();
428 void primitive_bignum_to_fixnum();
429 void primitive_float_to_fixnum();
430 void primitive_fixnum_divint();
431 void primitive_fixnum_divmod();
432 bignum *fixnum_to_bignum(fixnum);
433 bignum *cell_to_bignum(cell);
434 bignum *long_long_to_bignum(s64 n);
435 bignum *ulong_long_to_bignum(u64 n);
436 inline fixnum sign_mask(fixnum x);
437 inline fixnum branchless_max(fixnum x, fixnum y);
438 inline fixnum branchless_abs(fixnum x);
439 void primitive_fixnum_shift();
440 void primitive_fixnum_to_bignum();
441 void primitive_float_to_bignum();
442 void primitive_bignum_eq();
443 void primitive_bignum_add();
444 void primitive_bignum_subtract();
445 void primitive_bignum_multiply();
446 void primitive_bignum_divint();
447 void primitive_bignum_divmod();
448 void primitive_bignum_mod();
449 void primitive_bignum_and();
450 void primitive_bignum_or();
451 void primitive_bignum_xor();
452 void primitive_bignum_shift();
453 void primitive_bignum_less();
454 void primitive_bignum_lesseq();
455 void primitive_bignum_greater();
456 void primitive_bignum_greatereq();
457 void primitive_bignum_not();
458 void primitive_bignum_bitp();
459 void primitive_bignum_log2();
460 inline cell unbox_array_size();
461 cell unbox_array_size_slow();
462 void primitive_fixnum_to_float();
463 void primitive_format_float();
464 void primitive_float_eq();
465 void primitive_float_add();
466 void primitive_float_subtract();
467 void primitive_float_multiply();
468 void primitive_float_divfloat();
469 void primitive_float_less();
470 void primitive_float_lesseq();
471 void primitive_float_greater();
472 void primitive_float_greatereq();
473 void primitive_float_bits();
474 void primitive_bits_float();
475 void primitive_double_bits();
476 void primitive_bits_double();
477 fixnum to_fixnum(cell tagged);
478 cell to_cell(cell tagged);
479 cell from_signed_8(s64 n);
480 s64 to_signed_8(cell obj);
481 cell from_unsigned_8(u64 n);
482 u64 to_unsigned_8(cell obj);
483 float to_float(cell value);
484 double to_double(cell value);
485 inline void overflow_fixnum_add(fixnum x, fixnum y);
486 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
487 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
488 inline cell from_signed_cell(fixnum x);
489 inline cell from_unsigned_cell(cell x);
490 inline cell allot_float(double n);
491 inline bignum *float_to_bignum(cell tagged);
492 inline double untag_float(cell tagged);
493 inline double untag_float_check(cell tagged);
494 inline fixnum float_to_fixnum(cell tagged);
495 inline double fixnum_to_float(cell tagged);
498 template<typename Type> Type *untag_check(cell value);
503 FILE* safe_fopen(char *filename, char *mode);
504 int safe_fgetc(FILE *stream);
505 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
506 void safe_fputc(int c, FILE* stream);
507 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
508 int safe_ftell(FILE *stream);
509 void safe_fseek(FILE *stream, off_t offset, int whence);
510 void safe_fflush(FILE *stream);
511 void safe_fclose(FILE *stream);
512 void primitive_fopen();
513 FILE *pop_file_handle();
514 void primitive_fgetc();
515 void primitive_fread();
516 void primitive_fputc();
517 void primitive_fwrite();
518 void primitive_ftell();
519 void primitive_fseek();
520 void primitive_fflush();
521 void primitive_fclose();
524 cell compute_entry_point_address(cell obj);
525 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
526 cell compute_entry_point_pic_address(cell w_);
527 cell compute_entry_point_pic_tail_address(cell w_);
528 cell code_block_owner(code_block *compiled);
529 void update_word_references(code_block *compiled, bool reset_inline_caches);
530 void undefined_symbol();
531 cell compute_dlsym_address(array *literals, cell index);
533 cell compute_dlsym_toc_address(array *literals, cell index);
535 cell compute_vm_address(cell arg);
536 void store_external_address(instruction_operand op);
537 cell compute_here_address(cell arg, cell offset, code_block *compiled);
538 void initialize_code_block(code_block *compiled, cell literals);
539 void initialize_code_block(code_block *compiled);
540 void fixup_labels(array *labels, code_block *compiled);
541 code_block *allot_code_block(cell size, code_block_type type);
542 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
545 inline void check_code_pointer(cell ptr) { }
547 template<typename Iterator> void each_code_block(Iterator &iter)
549 code->allocator->iterate(iter);
552 void init_code_heap(cell size);
553 bool in_code_heap_p(cell ptr);
554 void update_code_heap_words(bool reset_inline_caches);
555 void initialize_code_blocks();
556 void primitive_modify_code_heap();
557 code_heap_room code_room();
558 void primitive_code_room();
559 void primitive_strip_stack_traces();
561 void primitive_code_blocks();
564 void init_callbacks(cell size);
565 void primitive_callback();
568 void init_objects(image_header *h);
569 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
570 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
571 bool save_image(const vm_char *saving_filename, const vm_char *filename);
572 void primitive_save_image();
573 void primitive_save_image_and_exit();
574 void fixup_data(cell data_offset, cell code_offset);
575 void fixup_code(cell data_offset, cell code_offset);
576 void load_image(vm_parameters *p);
579 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
580 void check_frame(stack_frame *frame);
581 callstack *allot_callstack(cell size);
582 stack_frame *fix_callstack_top(stack_frame *top);
583 stack_frame *second_from_top_stack_frame(context *ctx);
584 cell capture_callstack(context *ctx);
585 void primitive_callstack();
586 void primitive_callstack_for();
587 code_block *frame_code(stack_frame *frame);
588 code_block_type frame_type(stack_frame *frame);
589 cell frame_executing(stack_frame *frame);
590 cell frame_executing_quot(stack_frame *frame);
591 stack_frame *frame_successor(stack_frame *frame);
592 cell frame_scan(stack_frame *frame);
593 cell frame_offset(stack_frame *frame);
594 void set_frame_offset(stack_frame *frame, cell offset);
595 void scrub_return_address();
596 void primitive_callstack_to_array();
597 stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top);
598 void primitive_innermost_stack_frame_executing();
599 void primitive_innermost_stack_frame_scan();
600 void primitive_set_innermost_stack_frame_quot();
601 void primitive_callstack_bounds();
602 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
605 char *pinned_alien_offset(cell obj);
606 cell allot_alien(cell delegate_, cell displacement);
607 cell allot_alien(void *address);
608 void primitive_displaced_alien();
609 void primitive_alien_address();
610 void *alien_pointer();
611 void primitive_dlopen();
612 void primitive_dlsym();
613 void primitive_dlsym_raw();
614 void primitive_dlclose();
615 void primitive_dll_validp();
616 char *alien_offset(cell obj);
619 void primitive_jit_compile();
620 code_block *lazy_jit_compile_block();
621 void primitive_array_to_quotation();
622 void primitive_quotation_code();
623 void set_quot_entry_point(quotation *quot, code_block *code);
624 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
625 void jit_compile_quot(cell quot_, bool relocating);
626 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
627 cell lazy_jit_compile(cell quot);
628 bool quot_compiled_p(quotation *quot);
629 void primitive_quot_compiled_p();
630 cell find_all_quotations();
631 void initialize_all_quotations();
634 cell search_lookup_alist(cell table, cell klass);
635 cell search_lookup_hash(cell table, cell klass, cell hashcode);
636 cell nth_superclass(tuple_layout *layout, fixnum echelon);
637 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
638 cell lookup_tuple_method(cell obj, cell methods);
639 cell lookup_method(cell obj, cell methods);
640 void primitive_lookup_method();
641 cell object_class(cell obj);
642 cell method_cache_hashcode(cell klass, array *array);
643 void update_method_cache(cell cache, cell klass, cell method);
644 void primitive_mega_cache_miss();
645 void primitive_reset_dispatch_stats();
646 void primitive_dispatch_stats();
649 void init_inline_caching(int max_size);
650 void deallocate_inline_cache(cell return_address);
651 cell determine_inline_cache_type(array *cache_entries);
652 void update_pic_count(cell type);
653 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
654 void *megamorphic_call_stub(cell generic_word);
655 cell inline_cache_size(cell cache_entries);
656 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
657 void update_pic_transitions(cell pic_size);
658 void *inline_cache_miss(cell return_address);
661 void c_to_factor(cell quot);
662 template<typename Func> Func get_entry_point(cell n);
663 void unwind_native_frames(cell quot, stack_frame *to);
664 cell get_fpu_state();
665 void set_fpu_state(cell state);
668 void default_parameters(vm_parameters *p);
669 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
670 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
671 void prepare_boot_image();
672 void init_factor(vm_parameters *p);
673 void pass_args_to_factor(int argc, vm_char **argv);
674 void start_factor(vm_parameters *p);
676 void start_embedded_factor(vm_parameters *p);
677 void start_standalone_factor(int argc, vm_char **argv);
678 char *factor_eval_string(char *string);
679 void factor_eval_free(char *result);
681 void factor_sleep(long us);
684 void primitive_existsp();
685 void move_file(const vm_char *path1, const vm_char *path2);
687 void ffi_dlopen(dll *dll);
688 void *ffi_dlsym(dll *dll, symbol_char *symbol);
689 void *ffi_dlsym_raw(dll *dll, symbol_char *symbol);
691 void *ffi_dlsym_toc(dll *dll, symbol_char *symbol);
693 void ffi_dlclose(dll *dll);
694 void c_to_factor_toplevel(cell quot);
699 const vm_char *vm_executable_path();
700 const vm_char *default_image_path();
701 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
702 BOOL windows_stat(vm_char *path);
706 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
707 BOOL ctrl_handler(DWORD dwCtrlType);
711 void dispatch_signal(void *uap, void (handler)());
712 void unix_init_signals();
716 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);