6 // First five fields accessed directly by assembler. See vm.factor
11 /* New objects are allocated here */
14 /* Add this to a shifted address to compute write barrier offsets */
18 /* TAGGED user environment data; see getenv/setenv prims */
19 cell userenv[USER_ENV];
21 /* Data stack and retain stack sizes */
22 cell ds_size, rs_size;
24 /* Pooling unused contexts to make callbacks cheaper */
25 context *unused_contexts;
27 /* Canonical T object. It's just a word */
30 /* Is call counting enabled? */
33 /* Global variables used to pass fault handler state from signal handler to
36 cell signal_fault_addr;
37 unsigned int signal_fpu_status;
38 stack_frame *signal_callstack_top;
40 /* Zeroes out deallocated memory; set by the -securegc command line argument */
43 /* A heap walk allows useful things to be done, like finding all
44 references to an object for debugging purposes. */
47 /* GC is off during heap walking */
56 /* Only set if we're performing a GC */
60 gc_statistics gc_stats;
62 /* If a runtime function needs to call another function which potentially
63 allocates memory, it must wrap any local variable references to Factor
64 objects in gc_root instances */
65 std::vector<cell> gc_locals;
66 std::vector<cell> gc_bignums;
72 /* Canonical bignums */
77 /* Method dispatch statistics */
78 cell megamorphic_cache_hits;
79 cell megamorphic_cache_misses;
81 cell cold_call_to_ic_transitions;
82 cell ic_to_pic_transitions;
83 cell pic_to_mega_transitions;
84 /* Indexed by PIC_TAG, PIC_HI_TAG, PIC_TUPLE, PIC_HI_TAG_TUPLE */
87 /* Number of entries in a polymorphic inline cache */
91 void reset_datastack();
92 void reset_retainstack();
95 context *alloc_context();
96 void dealloc_context(context *old_context);
99 void init_stacks(cell ds_size_, cell rs_size_);
100 bool stack_to_array(cell bottom, cell top);
101 cell array_to_stack(array *array, cell bottom);
102 void primitive_datastack();
103 void primitive_retainstack();
104 void primitive_set_datastack();
105 void primitive_set_retainstack();
106 void primitive_check_datastack();
109 void primitive_getenv();
110 void primitive_setenv();
111 void primitive_exit();
112 void primitive_micros();
113 void primitive_sleep();
114 void primitive_set_slot();
115 void primitive_load_locals();
116 cell clone_object(cell obj_);
117 void primitive_clone();
120 void init_profiler();
121 code_block *compile_profiling_stub(cell word_);
122 void set_profiling(bool profiling);
123 void primitive_profiling();
126 void throw_error(cell error, stack_frame *callstack_top);
127 void not_implemented_error();
128 bool in_page(cell fault, cell area, cell area_size, int offset);
129 void memory_protection_error(cell addr, stack_frame *native_stack);
130 void signal_error(int signal, stack_frame *native_stack);
131 void divide_by_zero_error();
132 void fp_trap_error(unsigned int fpu_status, stack_frame *signal_callstack_top);
133 void primitive_call_clear();
134 void primitive_unimplemented();
135 void memory_signal_handler_impl();
136 void misc_signal_handler_impl();
137 void fp_signal_handler_impl();
138 void type_error(cell type, cell tagged);
139 void general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *native_stack);
142 int bignum_equal_p(bignum * x, bignum * y);
143 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
144 bignum *bignum_add(bignum * x, bignum * y);
145 bignum *bignum_subtract(bignum * x, bignum * y);
146 bignum *bignum_multiply(bignum * x, bignum * y);
147 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
148 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
149 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
150 cell bignum_to_cell(bignum * bignum);
151 fixnum bignum_to_fixnum(bignum * bignum);
152 s64 bignum_to_long_long(bignum * bignum);
153 u64 bignum_to_ulong_long(bignum * bignum);
154 double bignum_to_double(bignum * bignum);
155 bignum *double_to_bignum(double x);
156 int bignum_equal_p_unsigned(bignum * x, bignum * y);
157 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
158 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
159 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
160 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
161 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
162 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
163 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
164 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
165 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
166 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
167 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
168 bignum_digit_type guess, bignum_digit_type * u_start);
169 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
170 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
171 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
172 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
173 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
174 bignum_digit_type v, bignum_digit_type * q) /* return value */;
175 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
176 bignum_digit_type guess, bignum_digit_type * u);
177 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
178 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
179 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
180 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
181 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
182 bignum *allot_bignum(bignum_length_type length, int negative_p);
183 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
184 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
185 bignum *bignum_trim(bignum * bignum);
186 bignum *bignum_new_sign(bignum * x, int negative_p);
187 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
188 void bignum_destructive_copy(bignum * source, bignum * target);
189 bignum *bignum_bitwise_not(bignum * x);
190 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
191 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
192 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
193 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
194 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
195 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
196 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
197 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
198 void bignum_negate_magnitude(bignum * arg);
199 bignum *bignum_integer_length(bignum * x);
200 int bignum_logbitp(int shift, bignum * arg);
201 int bignum_unsigned_logbitp(int shift, bignum * bignum);
202 bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p);
205 void init_card_decks();
206 data_heap *grow_data_heap(data_heap *data, cell requested_bytes);
207 void clear_cards(old_space *gen);
208 void clear_decks(old_space *gen);
209 void reset_generation(old_space *gen);
210 void set_data_heap(data_heap *data_);
211 void init_data_heap(cell young_size, cell aging_size, cell tenured_size, bool secure_gc_);
212 cell untagged_object_size(object *pointer);
213 cell unaligned_object_size(object *pointer);
214 void primitive_size();
215 cell binary_payload_start(object *pointer);
216 void primitive_data_room();
219 void primitive_begin_scan();
221 void primitive_next_object();
222 void primitive_end_scan();
223 template<typename Iterator> void each_object(Iterator &iterator);
224 cell find_all_words();
225 cell object_size(cell tagged);
228 inline card *addr_to_card(cell a)
230 return (card*)(((cell)(a) >> card_bits) + cards_offset);
233 inline cell card_to_addr(card *c)
235 return ((cell)c - cards_offset) << card_bits;
238 inline card_deck *addr_to_deck(cell a)
240 return (card_deck *)(((cell)a >> deck_bits) + decks_offset);
243 inline cell deck_to_addr(card_deck *c)
245 return ((cell)c - decks_offset) << deck_bits;
248 inline card *deck_to_card(card_deck *d)
250 return (card *)((((cell)d - decks_offset) << (deck_bits - card_bits)) + cards_offset);
253 /* the write barrier must be called any time we are potentially storing a
254 pointer from an older generation to a younger one */
255 inline void write_barrier(object *obj)
257 *addr_to_card((cell)obj) = card_mark_mask;
258 *addr_to_deck((cell)obj) = card_mark_mask;
262 void free_unmarked_code_blocks();
263 void update_dirty_code_blocks(std::set<code_block *> *remembered_set);
264 void collect_nursery();
265 void collect_aging();
266 void collect_to_tenured();
267 void collect_full(cell requested_bytes, bool trace_contexts_p);
268 void record_gc_stats();
269 void garbage_collection(cell gen, bool growing_data_heap, bool trace_contexts_p, cell requested_bytes);
272 void primitive_gc_stats();
273 void clear_gc_stats();
274 void primitive_become();
275 void inline_gc(cell *gc_roots_base, cell gc_roots_size);
276 object *allot_object(header header, cell size);
277 void primitive_clear_gc_stats();
279 template<typename Type> Type *allot(cell size)
281 return (Type *)allot_object(header(Type::type_number),size);
284 inline void check_data_pointer(object *pointer)
287 if(!(current_gc && current_gc->growing_data_heap))
289 assert((cell)pointer >= data->seg->start
290 && (cell)pointer < data->seg->end);
295 inline void check_tagged_pointer(cell tagged)
298 if(!immediate_p(tagged))
300 object *obj = untag<object>(tagged);
301 check_data_pointer(obj);
308 template<typename Array> Array *allot_array_internal(cell capacity);
309 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
310 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
313 void print_chars(string* str);
314 void print_word(word* word, cell nesting);
315 void print_factor_string(string* str);
316 void print_array(array* array, cell nesting);
317 void print_tuple(tuple *tuple, cell nesting);
318 void print_nested_obj(cell obj, fixnum nesting);
319 void print_obj(cell obj);
320 void print_objects(cell *start, cell *end);
321 void print_datastack();
322 void print_retainstack();
323 void print_callstack();
324 void dump_cell(cell x);
325 void dump_memory(cell from, cell to);
326 void dump_zone(cell gen, zone *z);
327 void dump_generations();
328 void dump_objects(cell type);
329 void find_data_references_step(cell *scan);
330 void find_data_references(cell look_for_);
331 void dump_code_heap();
333 void primitive_die();
336 array *allot_array(cell capacity, cell fill_);
337 void primitive_array();
338 cell allot_array_1(cell obj_);
339 cell allot_array_2(cell v1_, cell v2_);
340 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
341 void primitive_resize_array();
342 inline void set_array_nth(array *array, cell slot, cell value);
345 cell string_nth(string* str, cell index);
346 void set_string_nth_fast(string *str, cell index, cell ch);
347 void set_string_nth_slow(string *str_, cell index, cell ch);
348 void set_string_nth(string *str, cell index, cell ch);
349 string *allot_string_internal(cell capacity);
350 void fill_string(string *str_, cell start, cell capacity, cell fill);
351 string *allot_string(cell capacity, cell fill);
352 void primitive_string();
353 bool reallot_string_in_place_p(string *str, cell capacity);
354 string* reallot_string(string *str_, cell capacity);
355 void primitive_resize_string();
356 void primitive_string_nth();
357 void primitive_set_string_nth_fast();
358 void primitive_set_string_nth_slow();
361 void box_boolean(bool value);
362 bool to_boolean(cell value);
363 inline cell tag_boolean(cell untagged);
366 byte_array *allot_byte_array(cell size);
367 void primitive_byte_array();
368 void primitive_uninitialized_byte_array();
369 void primitive_resize_byte_array();
372 tuple *allot_tuple(cell layout_);
373 void primitive_tuple();
374 void primitive_tuple_boa();
377 word *allot_word(cell name_, cell vocab_, cell hashcode_);
378 void primitive_word();
379 void primitive_word_xt();
380 void update_word_xt(cell w_);
381 void primitive_optimized_p();
382 void primitive_wrapper();
385 void primitive_bignum_to_fixnum();
386 void primitive_float_to_fixnum();
387 void primitive_fixnum_divint();
388 void primitive_fixnum_divmod();
389 bignum *fixnum_to_bignum(fixnum);
390 bignum *cell_to_bignum(cell);
391 bignum *long_long_to_bignum(s64 n);
392 bignum *ulong_long_to_bignum(u64 n);
393 inline fixnum sign_mask(fixnum x);
394 inline fixnum branchless_max(fixnum x, fixnum y);
395 inline fixnum branchless_abs(fixnum x);
396 void primitive_fixnum_shift();
397 void primitive_fixnum_to_bignum();
398 void primitive_float_to_bignum();
399 void primitive_bignum_eq();
400 void primitive_bignum_add();
401 void primitive_bignum_subtract();
402 void primitive_bignum_multiply();
403 void primitive_bignum_divint();
404 void primitive_bignum_divmod();
405 void primitive_bignum_mod();
406 void primitive_bignum_and();
407 void primitive_bignum_or();
408 void primitive_bignum_xor();
409 void primitive_bignum_shift();
410 void primitive_bignum_less();
411 void primitive_bignum_lesseq();
412 void primitive_bignum_greater();
413 void primitive_bignum_greatereq();
414 void primitive_bignum_not();
415 void primitive_bignum_bitp();
416 void primitive_bignum_log2();
417 unsigned int bignum_producer(unsigned int digit);
418 void primitive_byte_array_to_bignum();
419 cell unbox_array_size();
420 void primitive_fixnum_to_float();
421 void primitive_bignum_to_float();
422 void primitive_str_to_float();
423 void primitive_float_to_str();
424 void primitive_float_eq();
425 void primitive_float_add();
426 void primitive_float_subtract();
427 void primitive_float_multiply();
428 void primitive_float_divfloat();
429 void primitive_float_mod();
430 void primitive_float_less();
431 void primitive_float_lesseq();
432 void primitive_float_greater();
433 void primitive_float_greatereq();
434 void primitive_float_bits();
435 void primitive_bits_float();
436 void primitive_double_bits();
437 void primitive_bits_double();
438 fixnum to_fixnum(cell tagged);
439 cell to_cell(cell tagged);
440 void box_signed_1(s8 n);
441 void box_unsigned_1(u8 n);
442 void box_signed_2(s16 n);
443 void box_unsigned_2(u16 n);
444 void box_signed_4(s32 n);
445 void box_unsigned_4(u32 n);
446 void box_signed_cell(fixnum integer);
447 void box_unsigned_cell(cell cell);
448 void box_signed_8(s64 n);
449 s64 to_signed_8(cell obj);
450 void box_unsigned_8(u64 n);
451 u64 to_unsigned_8(cell obj);
452 void box_float(float flo);
453 float to_float(cell value);
454 void box_double(double flo);
455 double to_double(cell value);
456 inline void overflow_fixnum_add(fixnum x, fixnum y);
457 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
458 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
459 inline cell allot_integer(fixnum x);
460 inline cell allot_cell(cell x);
461 inline cell allot_float(double n);
462 inline bignum *float_to_bignum(cell tagged);
463 inline double bignum_to_float(cell tagged);
464 inline double untag_float(cell tagged);
465 inline double untag_float_check(cell tagged);
466 inline fixnum float_to_fixnum(cell tagged);
467 inline double fixnum_to_float(cell tagged);
468 template<typename Type> Type *untag_check(cell value);
469 template<typename Type> Type *untag(cell value);
474 void primitive_fopen();
475 void primitive_fgetc();
476 void primitive_fread();
477 void primitive_fputc();
478 void primitive_fwrite();
479 void primitive_ftell();
480 void primitive_fseek();
481 void primitive_fflush();
482 void primitive_fclose();
485 relocation_type relocation_type_of(relocation_entry r);
486 relocation_class relocation_class_of(relocation_entry r);
487 cell relocation_offset_of(relocation_entry r);
488 void flush_icache_for(code_block *block);
489 int number_of_parameters(relocation_type type);
490 void *object_xt(cell obj);
491 void *xt_pic(word *w, cell tagged_quot);
492 void *word_xt_pic(word *w);
493 void *word_xt_pic_tail(word *w);
494 void undefined_symbol();
495 void *get_rel_symbol(array *literals, cell index);
496 cell compute_relocation(relocation_entry rel, cell index, code_block *compiled);
497 template<typename Iterator> void iterate_relocations(code_block *compiled, Iterator &iter);
498 void store_address_2_2(cell *ptr, cell value);
499 void store_address_masked(cell *ptr, fixnum value, cell mask, fixnum shift);
500 void store_address_in_code_block(cell klass, cell offset, fixnum absolute_value);
501 void update_literal_references(code_block *compiled);
502 void relocate_code_block_step(relocation_entry rel, cell index, code_block *compiled);
503 void update_word_references(code_block *compiled);
504 void check_code_address(cell address);
505 void relocate_code_block(code_block *compiled);
506 void fixup_labels(array *labels, code_block *compiled);
507 code_block *allot_code_block(cell size, cell type);
508 code_block *add_code_block(cell type, cell code_, cell labels_, cell owner_, cell relocation_, cell literals_);
511 inline void check_code_pointer(cell ptr)
514 assert(in_code_heap_p(ptr));
518 void init_code_heap(cell size);
519 bool in_code_heap_p(cell ptr);
520 void jit_compile_word(cell word_, cell def_, bool relocate);
521 void update_code_heap_words();
522 void primitive_modify_code_heap();
523 void primitive_code_room();
524 code_block *forward_xt(code_block *compiled);
525 void forward_object_xts();
526 void fixup_object_xts();
527 void compact_code_heap();
528 void primitive_strip_stack_traces();
530 /* Apply a function to every code block */
531 template<typename Iterator> void iterate_code_heap(Iterator &iter)
533 heap_block *scan = code->first_block();
537 if(scan->type() != FREE_BLOCK_TYPE)
538 iter((code_block *)scan);
539 scan = code->next_block(scan);
544 void init_objects(image_header *h);
545 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
546 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
547 bool save_image(const vm_char *filename);
548 void primitive_save_image();
549 void primitive_save_image_and_exit();
550 void data_fixup(cell *handle, cell data_relocation_base);
551 template<typename Type> void code_fixup(Type **handle, cell code_relocation_base);
552 void fixup_word(word *word, cell code_relocation_base);
553 void fixup_quotation(quotation *quot, cell code_relocation_base);
554 void fixup_alien(alien *d);
555 void fixup_callstack_object(callstack *stack, cell code_relocation_base);
556 void relocate_object(object *object, cell data_relocation_base, cell code_relocation_base);
557 void relocate_data(cell data_relocation_base, cell code_relocation_base);
558 void fixup_code_block(code_block *compiled, cell data_relocation_base);
559 void relocate_code(cell data_relocation_base);
560 void load_image(vm_parameters *p);
563 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
564 void check_frame(stack_frame *frame);
565 callstack *allot_callstack(cell size);
566 stack_frame *fix_callstack_top(stack_frame *top, stack_frame *bottom);
567 stack_frame *capture_start();
568 void primitive_callstack();
569 void primitive_set_callstack();
570 code_block *frame_code(stack_frame *frame);
571 cell frame_type(stack_frame *frame);
572 cell frame_executing(stack_frame *frame);
573 stack_frame *frame_successor(stack_frame *frame);
574 cell frame_scan(stack_frame *frame);
575 void primitive_callstack_to_array();
576 stack_frame *innermost_stack_frame(callstack *stack);
577 stack_frame *innermost_stack_frame_quot(callstack *callstack);
578 void primitive_innermost_stack_frame_executing();
579 void primitive_innermost_stack_frame_scan();
580 void primitive_set_innermost_stack_frame_quot();
581 void save_callstack_bottom(stack_frame *callstack_bottom);
582 template<typename Iterator> void iterate_callstack(cell top, cell bottom, Iterator &iterator);
584 /* Every object has a regular representation in the runtime, which makes GC
585 much simpler. Every slot of the object until binary_payload_start is a pointer
586 to some other object. */
587 template<typename Iterator> void do_slots(cell obj, Iterator &iter)
590 cell payload_start = binary_payload_start((object *)obj);
591 cell end = obj + payload_start;
593 scan += sizeof(cell);
598 scan += sizeof(cell);
603 char *pinned_alien_offset(cell obj);
604 cell allot_alien(cell delegate_, cell displacement);
605 void primitive_displaced_alien();
606 void primitive_alien_address();
607 void *alien_pointer();
608 void primitive_dlopen();
609 void primitive_dlsym();
610 void primitive_dlclose();
611 void primitive_dll_validp();
612 void primitive_vm_ptr();
613 char *alien_offset(cell obj);
615 void box_alien(void *ptr);
616 void to_value_struct(cell src, void *dest, cell size);
617 void box_value_struct(void *src, cell size);
618 void box_small_struct(cell x, cell y, cell size);
619 void box_medium_struct(cell x1, cell x2, cell x3, cell x4, cell size);
622 void primitive_jit_compile();
623 void primitive_array_to_quotation();
624 void primitive_quotation_xt();
625 void set_quot_xt(quotation *quot, code_block *code);
626 void jit_compile(cell quot_, bool relocating);
627 void compile_all_words();
628 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
629 cell lazy_jit_compile_impl(cell quot_, stack_frame *stack);
630 void primitive_quot_compiled_p();
633 cell search_lookup_alist(cell table, cell klass);
634 cell search_lookup_hash(cell table, cell klass, cell hashcode);
635 cell nth_superclass(tuple_layout *layout, fixnum echelon);
636 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
637 cell lookup_tuple_method(cell obj, cell methods);
638 cell lookup_hi_tag_method(cell obj, cell methods);
639 cell lookup_hairy_method(cell obj, cell methods);
640 cell lookup_method(cell obj, cell methods);
641 void primitive_lookup_method();
642 cell object_class(cell obj);
643 cell method_cache_hashcode(cell klass, array *array);
644 void update_method_cache(cell cache, cell klass, cell method);
645 void primitive_mega_cache_miss();
646 void primitive_reset_dispatch_stats();
647 void primitive_dispatch_stats();
650 void init_inline_caching(int max_size);
651 void deallocate_inline_cache(cell return_address);
652 cell determine_inline_cache_type(array *cache_entries);
653 void update_pic_count(cell type);
654 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
655 void *megamorphic_call_stub(cell generic_word);
656 cell inline_cache_size(cell cache_entries);
657 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
658 void update_pic_transitions(cell pic_size);
659 void *inline_cache_miss(cell return_address);
660 void primitive_reset_inline_cache_stats();
661 void primitive_inline_cache_stats();
664 void default_parameters(vm_parameters *p);
665 bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
666 void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv);
667 void do_stage1_init();
668 void init_factor(vm_parameters *p);
669 void pass_args_to_factor(int argc, vm_char **argv);
670 void start_factor(vm_parameters *p);
671 void start_embedded_factor(vm_parameters *p);
672 void start_standalone_factor(int argc, vm_char **argv);
673 char *factor_eval_string(char *string);
674 void factor_eval_free(char *result);
676 void factor_sleep(long us);
679 void primitive_existsp();
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);
688 void sleep_micros(u64 usec);
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_POINTERS pe);
700 void memory_signal_handler(int signal, siginfo_t *siginfo, void *uap);
701 void misc_signal_handler(int signal, siginfo_t *siginfo, void *uap);
702 void fpe_signal_handler(int signal, siginfo_t *siginfo, void *uap);
703 stack_frame *uap_stack_pointer(void *uap);
708 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);
715 extern unordered_map<THREADHANDLE, factor_vm *> thread_vms;