11 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. See:
13 // basis/compiler/constants/constants.factor
18 /* Spare context -- for callbacks */
21 /* New objects are allocated here */
22 nursery_space nursery;
24 /* Add this to a shifted address to compute write barrier offsets */
28 /* cdecl signal handler address, used by signal handler subprimitives */
29 cell signal_handler_addr;
31 /* Various special objects, accessed by special-object and
32 set-special-object primitives */
33 cell special_objects[special_object_count];
35 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR.
39 /* Data stack and retain stack sizes */
40 cell datastack_size, retainstack_size, callstack_size;
42 /* Stack of callback IDs */
43 std::vector<int> callback_ids;
45 /* Next callback ID */
48 /* List of callback function descriptors for PPC */
49 std::list<void **> function_descriptors;
51 /* Pooling unused contexts to make context allocation cheaper */
52 std::list<context *> unused_contexts;
54 /* Active contexts, for tracing by the GC */
55 std::set<context *> active_contexts;
57 /* Canonical truth value. In Factor, 't' */
60 /* External entry points */
61 c_to_factor_func_type c_to_factor_func;
63 /* Is call counting enabled? */
65 /* Is sampling profiler enabled? */
68 /* Global variables used to pass fault handler state from signal handler
70 bool signal_resumable;
72 cell signal_fault_addr;
73 unsigned int signal_fpu_status;
75 cell safepoint_sample_count;
76 sigset_t safepoint_signals;
78 /* GC is off during heap walking */
87 /* Pinned callback stubs */
88 callback_heap *callbacks;
90 /* Only set if we're performing a GC */
94 std::vector<cell> mark_stack;
96 /* If not NULL, we push GC events here */
97 std::vector<gc_event> *gc_events;
99 /* If a runtime function needs to call another function which potentially
100 allocates memory, it must wrap any references to the data and code
101 heaps with data_root and code_root smart pointers, which register
102 themselves here. See data_roots.hpp and code_roots.hpp */
103 std::vector<data_root_range> data_roots;
104 std::vector<cell> bignum_roots;
105 std::vector<code_root *> code_roots;
112 /* Canonical bignums */
117 /* Method dispatch statistics */
118 dispatch_statistics dispatch_stats;
120 /* Number of entries in a polymorphic inline cache */
123 /* Incrementing object counter for identity hashing */
126 /* Sanity check to ensure that monotonic counter doesn't
130 /* Stack for signal handlers, only used on Unix */
131 segment *signal_callstack_seg;
134 context *new_context();
135 void init_context(context *ctx);
136 void delete_context(context *old_context);
137 void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_);
138 void delete_contexts();
139 cell begin_callback(cell quot);
141 void primitive_current_callback();
142 void primitive_context_object();
143 void primitive_context_object_for();
144 void primitive_set_context_object();
145 cell stack_to_array(cell bottom, cell top);
146 cell datastack_to_array(context *ctx);
147 void primitive_datastack();
148 void primitive_datastack_for();
149 cell retainstack_to_array(context *ctx);
150 void primitive_retainstack();
151 void primitive_retainstack_for();
152 cell array_to_stack(array *array, cell bottom);
153 void set_datastack(context *ctx, array *array);
154 void primitive_set_datastack();
155 void set_retainstack(context *ctx, array *array);
156 void primitive_set_retainstack();
157 void primitive_check_datastack();
158 void primitive_load_locals();
160 template<typename Iterator> void iterate_active_callstacks(Iterator &iter)
162 std::set<context *>::const_iterator begin = active_contexts.begin();
163 std::set<context *>::const_iterator end = active_contexts.end();
164 while(begin != end) iterate_callstack(*begin++,iter);
168 void primitive_exit();
169 void primitive_nano_count();
170 void primitive_sleep();
171 void primitive_set_slot();
174 void primitive_special_object();
175 void primitive_set_special_object();
176 void primitive_identity_hashcode();
177 void compute_identity_hashcode(object *obj);
178 void primitive_compute_identity_hashcode();
179 cell object_size(cell tagged);
180 cell clone_object(cell obj_);
181 void primitive_clone();
182 void primitive_become();
185 void init_profiler();
186 code_block *compile_profiling_stub(cell word_);
187 void set_profiling(bool profiling);
188 void primitive_profiling();
191 void general_error(vm_error_type error, cell arg1, cell arg2);
192 void type_error(cell type, cell tagged);
193 void not_implemented_error();
194 void memory_protection_error(cell addr);
195 void signal_error(cell signal);
196 void divide_by_zero_error();
197 void fp_trap_error(unsigned int fpu_status);
198 void primitive_unimplemented();
199 void memory_signal_handler_impl();
200 void synchronous_signal_handler_impl();
201 void fp_signal_handler_impl();
202 void enqueue_safepoint_fep();
203 void enqueue_safepoint_sample();
204 void enqueue_safepoint_signal(cell signal);
205 void handle_safepoint();
208 int bignum_equal_p(bignum * x, bignum * y);
209 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
210 bignum *bignum_add(bignum * x, bignum * y);
211 bignum *bignum_subtract(bignum * x, bignum * y);
212 bignum *bignum_multiply(bignum * x, bignum * y);
213 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
214 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
215 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
216 cell bignum_to_cell(bignum * bignum);
217 fixnum bignum_to_fixnum(bignum * bignum);
218 s64 bignum_to_long_long(bignum * bignum);
219 u64 bignum_to_ulong_long(bignum * bignum);
220 bignum *double_to_bignum(double x);
221 int bignum_equal_p_unsigned(bignum * x, bignum * y);
222 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
223 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
224 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
225 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
226 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
227 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
228 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
229 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
230 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
231 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
232 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
233 bignum_digit_type guess, bignum_digit_type * u_start);
234 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
235 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
236 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
237 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
238 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
239 bignum_digit_type v, bignum_digit_type * q) /* return value */;
240 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
241 bignum_digit_type guess, bignum_digit_type * u);
242 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
243 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
244 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
245 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
246 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
247 bignum *allot_bignum(bignum_length_type length, int negative_p);
248 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
249 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
250 bignum *bignum_trim(bignum * bignum);
251 bignum *bignum_new_sign(bignum * x, int negative_p);
252 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
253 void bignum_destructive_copy(bignum * source, bignum * target);
254 bignum *bignum_bitwise_not(bignum * x);
255 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
256 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
257 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
258 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
259 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
260 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
261 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
262 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
263 void bignum_negate_magnitude(bignum * arg);
264 bignum *bignum_integer_length(bignum * x);
265 int bignum_logbitp(int shift, bignum * arg);
266 int bignum_unsigned_logbitp(int shift, bignum * bignum);
269 void init_card_decks();
270 void set_data_heap(data_heap *data_);
271 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
272 void primitive_size();
273 data_heap_room data_room();
274 void primitive_data_room();
277 cell instances(cell type);
278 void primitive_all_instances();
280 template<typename Generation, typename Iterator>
281 inline void each_object(Generation *gen, Iterator &iterator)
283 cell obj = gen->first_object();
286 iterator((object *)obj);
287 obj = gen->next_object_after(obj);
291 template<typename Iterator> inline void each_object(Iterator &iterator)
295 each_object(data->tenured,iterator);
296 each_object(data->aging,iterator);
297 each_object(data->nursery,iterator);
302 /* the write barrier must be called any time we are potentially storing a
303 pointer from an older generation to a younger one */
304 inline void write_barrier(cell *slot_ptr)
306 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
307 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
310 inline void write_barrier(object *obj, cell size)
312 cell start = (cell)obj & (~card_size + 1);
313 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
315 for(cell offset = start; offset < end; offset += card_size)
316 write_barrier((cell *)offset);
320 void check_data_heap();
324 void set_current_gc_op(gc_op op);
325 void start_gc_again();
326 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
327 void collect_nursery();
328 void collect_aging();
329 void collect_to_tenured();
330 void update_code_roots_for_sweep();
331 void update_code_roots_for_compaction();
332 void collect_mark_impl(bool trace_contexts_p);
333 void collect_sweep_impl();
334 void collect_full(bool trace_contexts_p);
335 void collect_compact_impl(bool trace_contexts_p);
336 void collect_compact_code_impl(bool trace_contexts_p);
337 void collect_compact(bool trace_contexts_p);
338 void collect_growing_heap(cell requested_size, bool trace_contexts_p);
339 void gc(gc_op op, cell requested_size, bool trace_contexts_p);
340 void scrub_context(context *ctx);
341 void scrub_contexts();
342 void primitive_minor_gc();
343 void primitive_full_gc();
344 void primitive_compact_gc();
345 void primitive_enable_gc_events();
346 void primitive_disable_gc_events();
347 object *allot_object(cell type, cell size);
348 object *allot_large_object(cell type, cell size);
350 template<typename Type> Type *allot(cell size)
352 return (Type *)allot_object(Type::type_number,size);
355 inline bool in_data_heap_p(cell pointer)
357 return (pointer >= data->seg->start && pointer < data->seg->end);
360 inline void check_data_pointer(object *pointer)
363 if(!(current_gc && current_gc->op == collect_growing_heap_op))
364 assert(in_data_heap_p((cell)pointer));
369 template<typename Array> Array *allot_uninitialized_array(cell capacity);
370 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
371 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
374 void print_chars(string* str);
375 void print_word(word* word, cell nesting);
376 void print_factor_string(string* str);
377 void print_array(array* array, cell nesting);
378 void print_tuple(tuple *tuple, cell nesting);
379 void print_nested_obj(cell obj, fixnum nesting);
380 void print_obj(cell obj);
381 void print_objects(cell *start, cell *end);
382 void print_datastack();
383 void print_retainstack();
384 void print_callstack();
385 void dump_cell(cell x);
386 void dump_memory(cell from, cell to);
387 template<typename Generation> void dump_generation(const char *name, Generation *gen);
388 void dump_generations();
389 void dump_objects(cell type);
390 void find_data_references_step(cell *scan);
391 void find_data_references(cell look_for_);
392 void dump_code_heap();
394 void primitive_die();
397 inline void set_array_nth(array *array, cell slot, cell value);
398 array *allot_array(cell capacity, cell fill_);
399 void primitive_array();
400 cell allot_array_1(cell obj_);
401 cell allot_array_2(cell v1_, cell v2_);
402 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
403 void primitive_resize_array();
404 cell std_vector_to_array(std::vector<cell> &elements);
407 string *allot_string_internal(cell capacity);
408 void fill_string(string *str_, cell start, cell capacity, cell fill);
409 string *allot_string(cell capacity, cell fill);
410 void primitive_string();
411 bool reallot_string_in_place_p(string *str, cell capacity);
412 string* reallot_string(string *str_, cell capacity);
413 void primitive_resize_string();
414 void primitive_set_string_nth_fast();
417 cell tag_boolean(cell untagged)
419 return (untagged ? true_object : false_object);
423 byte_array *allot_byte_array(cell size);
424 void primitive_byte_array();
425 void primitive_uninitialized_byte_array();
426 void primitive_resize_byte_array();
428 template<typename Type> byte_array *byte_array_from_value(Type *value);
431 void primitive_tuple();
432 void primitive_tuple_boa();
435 word *allot_word(cell name_, cell vocab_, cell hashcode_);
436 void primitive_word();
437 void primitive_word_code();
438 void update_word_entry_point(word *w_);
439 void primitive_optimized_p();
440 void primitive_wrapper();
441 void jit_compile_word(cell word_, cell def_, bool relocating);
442 cell find_all_words();
443 void compile_all_words();
446 void primitive_bignum_to_fixnum();
447 void primitive_float_to_fixnum();
448 void primitive_fixnum_divint();
449 void primitive_fixnum_divmod();
450 bignum *fixnum_to_bignum(fixnum);
451 bignum *cell_to_bignum(cell);
452 bignum *long_long_to_bignum(s64 n);
453 bignum *ulong_long_to_bignum(u64 n);
454 inline fixnum sign_mask(fixnum x);
455 inline fixnum branchless_max(fixnum x, fixnum y);
456 inline fixnum branchless_abs(fixnum x);
457 void primitive_fixnum_shift();
458 void primitive_fixnum_to_bignum();
459 void primitive_float_to_bignum();
460 void primitive_bignum_eq();
461 void primitive_bignum_add();
462 void primitive_bignum_subtract();
463 void primitive_bignum_multiply();
464 void primitive_bignum_divint();
465 void primitive_bignum_divmod();
466 void primitive_bignum_mod();
467 void primitive_bignum_and();
468 void primitive_bignum_or();
469 void primitive_bignum_xor();
470 void primitive_bignum_shift();
471 void primitive_bignum_less();
472 void primitive_bignum_lesseq();
473 void primitive_bignum_greater();
474 void primitive_bignum_greatereq();
475 void primitive_bignum_not();
476 void primitive_bignum_bitp();
477 void primitive_bignum_log2();
478 inline cell unbox_array_size();
479 cell unbox_array_size_slow();
480 void primitive_fixnum_to_float();
481 void primitive_format_float();
482 void primitive_float_eq();
483 void primitive_float_add();
484 void primitive_float_subtract();
485 void primitive_float_multiply();
486 void primitive_float_divfloat();
487 void primitive_float_less();
488 void primitive_float_lesseq();
489 void primitive_float_greater();
490 void primitive_float_greatereq();
491 void primitive_float_bits();
492 void primitive_bits_float();
493 void primitive_double_bits();
494 void primitive_bits_double();
495 fixnum to_fixnum(cell tagged);
496 cell to_cell(cell tagged);
497 cell from_signed_8(s64 n);
498 s64 to_signed_8(cell obj);
499 cell from_unsigned_8(u64 n);
500 u64 to_unsigned_8(cell obj);
501 float to_float(cell value);
502 double to_double(cell value);
503 inline void overflow_fixnum_add(fixnum x, fixnum y);
504 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
505 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
506 inline cell from_signed_cell(fixnum x);
507 inline cell from_unsigned_cell(cell x);
508 inline cell allot_float(double n);
509 inline bignum *float_to_bignum(cell tagged);
510 inline double untag_float(cell tagged);
511 inline double untag_float_check(cell tagged);
512 inline fixnum float_to_fixnum(cell tagged);
513 inline double fixnum_to_float(cell tagged);
516 template<typename Type> Type *untag_check(cell value);
521 FILE* safe_fopen(char *filename, char *mode);
522 int safe_fgetc(FILE *stream);
523 size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream);
524 void safe_fputc(int c, FILE* stream);
525 size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream);
526 int safe_ftell(FILE *stream);
527 void safe_fseek(FILE *stream, off_t offset, int whence);
528 void safe_fflush(FILE *stream);
529 void safe_fclose(FILE *stream);
530 void primitive_fopen();
531 FILE *pop_file_handle();
532 void primitive_fgetc();
533 void primitive_fread();
534 void primitive_fputc();
535 void primitive_fwrite();
536 void primitive_ftell();
537 void primitive_fseek();
538 void primitive_fflush();
539 void primitive_fclose();
542 cell compute_entry_point_address(cell obj);
543 cell compute_entry_point_pic_address(word *w, cell tagged_quot);
544 cell compute_entry_point_pic_address(cell w_);
545 cell compute_entry_point_pic_tail_address(cell w_);
546 cell code_block_owner(code_block *compiled);
547 void update_word_references(code_block *compiled, bool reset_inline_caches);
548 void undefined_symbol();
549 cell compute_dlsym_address(array *literals, cell index);
551 cell compute_dlsym_toc_address(array *literals, cell index);
553 cell compute_vm_address(cell arg);
554 void store_external_address(instruction_operand op);
555 cell compute_here_address(cell arg, cell offset, code_block *compiled);
556 void initialize_code_block(code_block *compiled, cell literals);
557 void initialize_code_block(code_block *compiled);
558 void fixup_labels(array *labels, code_block *compiled);
559 code_block *allot_code_block(cell size, code_block_type type);
560 code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_);
563 inline void check_code_pointer(cell ptr) { }
565 template<typename Iterator> void each_code_block(Iterator &iter)
567 code->allocator->iterate(iter);
570 void init_code_heap(cell size);
571 bool in_code_heap_p(cell ptr);
572 void update_code_heap_words(bool reset_inline_caches);
573 void initialize_code_blocks();
574 void primitive_modify_code_heap();
575 code_heap_room code_room();
576 void primitive_code_room();
577 void primitive_strip_stack_traces();
579 void primitive_code_blocks();
582 void init_callbacks(cell size);
583 void primitive_callback();
586 void init_objects(image_header *h);
587 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
588 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
589 bool save_image(const vm_char *saving_filename, const vm_char *filename);
590 void primitive_save_image();
591 void primitive_save_image_and_exit();
592 void fixup_data(cell data_offset, cell code_offset);
593 void fixup_code(cell data_offset, cell code_offset);
594 void load_image(vm_parameters *p);
597 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
598 void check_frame(stack_frame *frame);
599 callstack *allot_callstack(cell size);
600 stack_frame *second_from_top_stack_frame(context *ctx);
601 cell capture_callstack(context *ctx);
602 void primitive_callstack();
603 void primitive_callstack_for();
604 code_block *frame_code(stack_frame *frame);
605 code_block_type frame_type(stack_frame *frame);
606 cell frame_executing(stack_frame *frame);
607 cell frame_executing_quot(stack_frame *frame);
608 stack_frame *frame_successor(stack_frame *frame);
609 cell frame_scan(stack_frame *frame);
610 cell frame_offset(stack_frame *frame);
611 void set_frame_offset(stack_frame *frame, cell offset);
612 void primitive_callstack_to_array();
613 stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top);
614 void primitive_innermost_stack_frame_executing();
615 void primitive_innermost_stack_frame_scan();
616 void primitive_set_innermost_stack_frame_quot();
617 void primitive_callstack_bounds();
618 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
621 void dispatch_signal_handler(cell *sp, cell *pc, cell newpc);
624 char *pinned_alien_offset(cell obj);
625 cell allot_alien(cell delegate_, cell displacement);
626 cell allot_alien(void *address);
627 void primitive_displaced_alien();
628 void primitive_alien_address();
629 void *alien_pointer();
630 void primitive_dlopen();
631 void primitive_dlsym();
632 void primitive_dlsym_raw();
633 void primitive_dlclose();
634 void primitive_dll_validp();
635 char *alien_offset(cell obj);
638 void primitive_jit_compile();
639 code_block *lazy_jit_compile_block();
640 void primitive_array_to_quotation();
641 void primitive_quotation_code();
642 void set_quot_entry_point(quotation *quot, code_block *code);
643 code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating);
644 void jit_compile_quot(cell quot_, bool relocating);
645 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
646 cell lazy_jit_compile(cell quot);
647 bool quot_compiled_p(quotation *quot);
648 void primitive_quot_compiled_p();
649 cell find_all_quotations();
650 void initialize_all_quotations();
653 cell search_lookup_alist(cell table, cell klass);
654 cell search_lookup_hash(cell table, cell klass, cell hashcode);
655 cell nth_superclass(tuple_layout *layout, fixnum echelon);
656 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
657 cell lookup_tuple_method(cell obj, cell methods);
658 cell lookup_method(cell obj, cell methods);
659 void primitive_lookup_method();
660 cell object_class(cell obj);
661 cell method_cache_hashcode(cell klass, array *array);
662 void update_method_cache(cell cache, cell klass, cell method);
663 void primitive_mega_cache_miss();
664 void primitive_reset_dispatch_stats();
665 void primitive_dispatch_stats();
668 void init_inline_caching(int max_size);
669 void deallocate_inline_cache(cell return_address);
670 cell determine_inline_cache_type(array *cache_entries);
671 void update_pic_count(cell type);
672 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
673 void *megamorphic_call_stub(cell generic_word);
674 cell inline_cache_size(cell cache_entries);
675 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
676 void update_pic_transitions(cell pic_size);
677 void *inline_cache_miss(cell return_address);
680 void c_to_factor(cell quot);
681 template<typename Func> Func get_entry_point(cell n);
682 void unwind_native_frames(cell quot, stack_frame *to);
683 cell get_fpu_state();
684 void set_fpu_state(cell state);
687 void default_parameters(vm_parameters *p);
688 bool factor_arg(const vm_char *str, const vm_char *arg, cell *value);
689 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
690 void prepare_boot_image();
691 void init_factor(vm_parameters *p);
692 void pass_args_to_factor(int argc, vm_char **argv);
693 void start_factor(vm_parameters *p);
695 void start_embedded_factor(vm_parameters *p);
696 void start_standalone_factor(int argc, vm_char **argv);
697 char *factor_eval_string(char *string);
698 void factor_eval_free(char *result);
700 void factor_sleep(long us);
703 void primitive_existsp();
704 void move_file(const vm_char *path1, const vm_char *path2);
706 void ffi_dlopen(dll *dll);
707 void *ffi_dlsym(dll *dll, symbol_char *symbol);
708 void *ffi_dlsym_raw(dll *dll, symbol_char *symbol);
710 void *ffi_dlsym_toc(dll *dll, symbol_char *symbol);
712 void ffi_dlclose(dll *dll);
713 void c_to_factor_toplevel(cell quot);
718 const vm_char *vm_executable_path();
719 const vm_char *default_image_path();
720 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
721 BOOL windows_stat(vm_char *path);
725 LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch);
726 BOOL ctrl_handler(DWORD dwCtrlType);
730 void dispatch_signal(void *uap, void (handler)());
731 void unix_init_signals();
735 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);