8 // First five fields accessed directly by assembler. See vm.factor
13 /* New objects are allocated here */
16 /* Add this to a shifted address to compute write barrier offsets */
20 /* TAGGED user environment data; see getenv/setenv prims */
21 cell userenv[USER_ENV];
23 /* Data stack and retain stack sizes */
24 cell ds_size, rs_size;
26 /* Pooling unused contexts to make callbacks cheaper */
27 context *unused_contexts;
29 /* Canonical truth value. In Factor, 't' */
32 /* Is call counting enabled? */
35 /* Global variables used to pass fault handler state from signal handler to
38 cell signal_fault_addr;
39 unsigned int signal_fpu_status;
40 stack_frame *signal_callstack_top;
42 /* Zeroes out deallocated memory; set by the -securegc command line argument */
45 /* A heap walk allows useful things to be done, like finding all
46 references to an object for debugging purposes. */
49 /* GC is off during heap walking */
58 /* Pinned callback stubs */
59 callback_heap *callbacks;
61 /* Only set if we're performing a GC */
65 gc_statistics gc_stats;
67 /* If a runtime function needs to call another function which potentially
68 allocates memory, it must wrap any local variable references to Factor
69 objects in gc_root instances */
70 std::vector<cell> gc_locals;
71 std::vector<cell> gc_bignums;
77 /* Canonical bignums */
82 /* Method dispatch statistics */
83 cell megamorphic_cache_hits;
84 cell megamorphic_cache_misses;
86 cell cold_call_to_ic_transitions;
87 cell ic_to_pic_transitions;
88 cell pic_to_mega_transitions;
89 /* Indexed by PIC_TAG, PIC_HI_TAG, PIC_TUPLE, PIC_HI_TAG_TUPLE */
92 /* Number of entries in a polymorphic inline cache */
96 void reset_datastack();
97 void reset_retainstack();
100 context *alloc_context();
101 void dealloc_context(context *old_context);
102 void nest_stacks(stack_frame *magic_frame);
103 void unnest_stacks();
104 void init_stacks(cell ds_size_, cell rs_size_);
105 bool stack_to_array(cell bottom, cell top);
106 cell array_to_stack(array *array, cell bottom);
107 void primitive_datastack();
108 void primitive_retainstack();
109 void primitive_set_datastack();
110 void primitive_set_retainstack();
111 void primitive_check_datastack();
113 template<typename Iterator> void iterate_active_frames(Iterator &iter)
115 context *ctx = this->ctx;
119 iterate_callstack(ctx,iter);
120 if(ctx->magic_frame) iter(ctx->magic_frame);
126 void primitive_getenv();
127 void primitive_setenv();
128 void primitive_exit();
129 void primitive_micros();
130 void primitive_sleep();
131 void primitive_set_slot();
132 void primitive_load_locals();
133 cell clone_object(cell obj_);
134 void primitive_clone();
137 void init_profiler();
138 code_block *compile_profiling_stub(cell word_);
139 void set_profiling(bool profiling);
140 void primitive_profiling();
143 void throw_error(cell error, stack_frame *callstack_top);
144 void not_implemented_error();
145 bool in_page(cell fault, cell area, cell area_size, int offset);
146 void memory_protection_error(cell addr, stack_frame *native_stack);
147 void signal_error(int signal, stack_frame *native_stack);
148 void divide_by_zero_error();
149 void fp_trap_error(unsigned int fpu_status, stack_frame *signal_callstack_top);
150 void primitive_call_clear();
151 void primitive_unimplemented();
152 void memory_signal_handler_impl();
153 void misc_signal_handler_impl();
154 void fp_signal_handler_impl();
155 void type_error(cell type, cell tagged);
156 void general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *native_stack);
159 int bignum_equal_p(bignum * x, bignum * y);
160 enum bignum_comparison bignum_compare(bignum * x, bignum * y);
161 bignum *bignum_add(bignum * x, bignum * y);
162 bignum *bignum_subtract(bignum * x, bignum * y);
163 bignum *bignum_multiply(bignum * x, bignum * y);
164 void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
165 bignum *bignum_quotient(bignum * numerator, bignum * denominator);
166 bignum *bignum_remainder(bignum * numerator, bignum * denominator);
167 cell bignum_to_cell(bignum * bignum);
168 fixnum bignum_to_fixnum(bignum * bignum);
169 s64 bignum_to_long_long(bignum * bignum);
170 u64 bignum_to_ulong_long(bignum * bignum);
171 double bignum_to_double(bignum * bignum);
172 bignum *double_to_bignum(double x);
173 int bignum_equal_p_unsigned(bignum * x, bignum * y);
174 enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
175 bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
176 bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
177 bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
178 bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
179 void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
180 void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
181 void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator,
182 bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
183 void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
184 bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end,
185 bignum_digit_type guess, bignum_digit_type * u_start);
186 void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator,
187 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
188 void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
189 void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
190 bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul,
191 bignum_digit_type v, bignum_digit_type * q) /* return value */;
192 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2,
193 bignum_digit_type guess, bignum_digit_type * u);
194 void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator,
195 bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
196 bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
197 bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
198 bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
199 bignum *allot_bignum(bignum_length_type length, int negative_p);
200 bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
201 bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
202 bignum *bignum_trim(bignum * bignum);
203 bignum *bignum_new_sign(bignum * x, int negative_p);
204 bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
205 void bignum_destructive_copy(bignum * source, bignum * target);
206 bignum *bignum_bitwise_not(bignum * x);
207 bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
208 bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
209 bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
210 bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
211 bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
212 bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
213 bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
214 bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
215 void bignum_negate_magnitude(bignum * arg);
216 bignum *bignum_integer_length(bignum * x);
217 int bignum_logbitp(int shift, bignum * arg);
218 int bignum_unsigned_logbitp(int shift, bignum * bignum);
219 bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p);
222 void init_card_decks();
223 void clear_cards(old_space *gen);
224 void clear_decks(old_space *gen);
225 void reset_generation(old_space *gen);
226 void set_data_heap(data_heap *data_);
227 void init_data_heap(cell young_size, cell aging_size, cell tenured_size, bool secure_gc_);
228 cell untagged_object_size(object *pointer);
229 cell unaligned_object_size(object *pointer);
230 void primitive_size();
231 cell binary_payload_start(object *pointer);
232 void primitive_data_room();
235 void primitive_begin_scan();
237 void primitive_next_object();
238 void primitive_end_scan();
239 template<typename Iterator> void each_object(Iterator &iterator);
240 cell find_all_words();
241 cell object_size(cell tagged);
243 /* the write barrier must be called any time we are potentially storing a
244 pointer from an older generation to a younger one */
245 inline void write_barrier(cell *slot_ptr)
247 *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
248 *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
252 void update_code_heap_for_minor_gc(std::set<code_block *> *remembered_set);
253 void collect_nursery();
254 void collect_aging();
255 void collect_to_tenured();
256 void collect_full_impl(bool trace_contexts_p);
257 void collect_growing_heap(cell requested_bytes, bool trace_contexts_p, bool compact_code_heap_p);
258 void collect_full(bool trace_contexts_p, bool compact_code_heap_p);
259 void record_gc_stats(generation_statistics *stats);
260 void gc(gc_op op, cell requested_bytes, bool trace_contexts_p, bool compact_code_heap_p);
261 void primitive_minor_gc();
262 void primitive_full_gc();
263 void primitive_compact_gc();
264 void primitive_gc_stats();
265 void clear_gc_stats();
266 void primitive_become();
267 void inline_gc(cell *gc_roots_base, cell gc_roots_size);
268 object *allot_object(header header, cell size);
269 void add_gc_stats(generation_statistics *stats, growable_array *result);
270 void primitive_clear_gc_stats();
272 template<typename Type> Type *allot(cell size)
274 return (Type *)allot_object(header(Type::type_number),size);
277 inline void check_data_pointer(object *pointer)
280 if(!(current_gc && current_gc->op == collect_growing_heap_op))
282 assert((cell)pointer >= data->seg->start
283 && (cell)pointer < data->seg->end);
288 inline void check_tagged_pointer(cell tagged)
291 if(!immediate_p(tagged))
293 object *obj = untag<object>(tagged);
294 check_data_pointer(obj);
301 template<typename Array> Array *allot_array_internal(cell capacity);
302 template<typename Array> bool reallot_array_in_place_p(Array *array, cell capacity);
303 template<typename Array> Array *reallot_array(Array *array_, cell capacity);
306 void print_chars(string* str);
307 void print_word(word* word, cell nesting);
308 void print_factor_string(string* str);
309 void print_array(array* array, cell nesting);
310 void print_tuple(tuple *tuple, cell nesting);
311 void print_nested_obj(cell obj, fixnum nesting);
312 void print_obj(cell obj);
313 void print_objects(cell *start, cell *end);
314 void print_datastack();
315 void print_retainstack();
316 void print_callstack();
317 void dump_cell(cell x);
318 void dump_memory(cell from, cell to);
319 void dump_zone(const char *name, zone *z);
320 void dump_generations();
321 void dump_objects(cell type);
322 void find_data_references_step(cell *scan);
323 void find_data_references(cell look_for_);
324 void dump_code_heap();
326 void primitive_die();
329 array *allot_array(cell capacity, cell fill_);
330 void primitive_array();
331 cell allot_array_1(cell obj_);
332 cell allot_array_2(cell v1_, cell v2_);
333 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
334 void primitive_resize_array();
335 inline void set_array_nth(array *array, cell slot, cell value);
338 cell string_nth(string* str, cell index);
339 void set_string_nth_fast(string *str, cell index, cell ch);
340 void set_string_nth_slow(string *str_, cell index, cell ch);
341 void set_string_nth(string *str, cell index, cell ch);
342 string *allot_string_internal(cell capacity);
343 void fill_string(string *str_, cell start, cell capacity, cell fill);
344 string *allot_string(cell capacity, cell fill);
345 void primitive_string();
346 bool reallot_string_in_place_p(string *str, cell capacity);
347 string* reallot_string(string *str_, cell capacity);
348 void primitive_resize_string();
349 void primitive_string_nth();
350 void primitive_set_string_nth_fast();
351 void primitive_set_string_nth_slow();
354 void box_boolean(bool value);
355 bool to_boolean(cell value);
356 inline cell tag_boolean(cell untagged);
359 byte_array *allot_byte_array(cell size);
360 void primitive_byte_array();
361 void primitive_uninitialized_byte_array();
362 void primitive_resize_byte_array();
365 tuple *allot_tuple(cell layout_);
366 void primitive_tuple();
367 void primitive_tuple_boa();
370 word *allot_word(cell name_, cell vocab_, cell hashcode_);
371 void primitive_word();
372 void primitive_word_xt();
373 void update_word_xt(cell w_);
374 void primitive_optimized_p();
375 void primitive_wrapper();
378 void primitive_bignum_to_fixnum();
379 void primitive_float_to_fixnum();
380 void primitive_fixnum_divint();
381 void primitive_fixnum_divmod();
382 bignum *fixnum_to_bignum(fixnum);
383 bignum *cell_to_bignum(cell);
384 bignum *long_long_to_bignum(s64 n);
385 bignum *ulong_long_to_bignum(u64 n);
386 inline fixnum sign_mask(fixnum x);
387 inline fixnum branchless_max(fixnum x, fixnum y);
388 inline fixnum branchless_abs(fixnum x);
389 void primitive_fixnum_shift();
390 void primitive_fixnum_to_bignum();
391 void primitive_float_to_bignum();
392 void primitive_bignum_eq();
393 void primitive_bignum_add();
394 void primitive_bignum_subtract();
395 void primitive_bignum_multiply();
396 void primitive_bignum_divint();
397 void primitive_bignum_divmod();
398 void primitive_bignum_mod();
399 void primitive_bignum_and();
400 void primitive_bignum_or();
401 void primitive_bignum_xor();
402 void primitive_bignum_shift();
403 void primitive_bignum_less();
404 void primitive_bignum_lesseq();
405 void primitive_bignum_greater();
406 void primitive_bignum_greatereq();
407 void primitive_bignum_not();
408 void primitive_bignum_bitp();
409 void primitive_bignum_log2();
410 unsigned int bignum_producer(unsigned int digit);
411 void primitive_byte_array_to_bignum();
412 cell unbox_array_size();
413 void primitive_fixnum_to_float();
414 void primitive_bignum_to_float();
415 void primitive_str_to_float();
416 void primitive_float_to_str();
417 void primitive_float_eq();
418 void primitive_float_add();
419 void primitive_float_subtract();
420 void primitive_float_multiply();
421 void primitive_float_divfloat();
422 void primitive_float_mod();
423 void primitive_float_less();
424 void primitive_float_lesseq();
425 void primitive_float_greater();
426 void primitive_float_greatereq();
427 void primitive_float_bits();
428 void primitive_bits_float();
429 void primitive_double_bits();
430 void primitive_bits_double();
431 fixnum to_fixnum(cell tagged);
432 cell to_cell(cell tagged);
433 void box_signed_1(s8 n);
434 void box_unsigned_1(u8 n);
435 void box_signed_2(s16 n);
436 void box_unsigned_2(u16 n);
437 void box_signed_4(s32 n);
438 void box_unsigned_4(u32 n);
439 void box_signed_cell(fixnum integer);
440 void box_unsigned_cell(cell cell);
441 void box_signed_8(s64 n);
442 s64 to_signed_8(cell obj);
443 void box_unsigned_8(u64 n);
444 u64 to_unsigned_8(cell obj);
445 void box_float(float flo);
446 float to_float(cell value);
447 void box_double(double flo);
448 double to_double(cell value);
449 inline void overflow_fixnum_add(fixnum x, fixnum y);
450 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
451 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
452 inline cell allot_integer(fixnum x);
453 inline cell allot_cell(cell x);
454 inline cell allot_float(double n);
455 inline bignum *float_to_bignum(cell tagged);
456 inline double bignum_to_float(cell tagged);
457 inline double untag_float(cell tagged);
458 inline double untag_float_check(cell tagged);
459 inline fixnum float_to_fixnum(cell tagged);
460 inline double fixnum_to_float(cell tagged);
461 template<typename Type> Type *untag_check(cell value);
462 template<typename Type> Type *untag(cell value);
467 void primitive_fopen();
468 void primitive_fgetc();
469 void primitive_fread();
470 void primitive_fputc();
471 void primitive_fwrite();
472 void primitive_ftell();
473 void primitive_fseek();
474 void primitive_fflush();
475 void primitive_fclose();
478 relocation_type relocation_type_of(relocation_entry r);
479 relocation_class relocation_class_of(relocation_entry r);
480 cell relocation_offset_of(relocation_entry r);
481 void flush_icache_for(code_block *block);
482 int number_of_parameters(relocation_type type);
483 void *object_xt(cell obj);
484 void *xt_pic(word *w, cell tagged_quot);
485 void *word_xt_pic(word *w);
486 void *word_xt_pic_tail(word *w);
487 void undefined_symbol();
488 void *get_rel_symbol(array *literals, cell index);
489 cell compute_relocation(relocation_entry rel, cell index, code_block *compiled);
490 template<typename Iterator> void iterate_relocations(code_block *compiled, Iterator &iter);
491 void store_address_2_2(cell *ptr, cell value);
492 void store_address_masked(cell *ptr, fixnum value, cell mask, fixnum shift);
493 void store_address_in_code_block(cell klass, cell offset, fixnum absolute_value);
494 void update_literal_references(code_block *compiled);
495 void relocate_code_block_step(relocation_entry rel, cell index, code_block *compiled);
496 void update_word_references(code_block *compiled);
497 void update_code_block_for_full_gc(code_block *compiled);
498 void check_code_address(cell address);
499 void relocate_code_block(code_block *compiled);
500 void fixup_labels(array *labels, code_block *compiled);
501 code_block *allot_code_block(cell size, cell type);
502 code_block *add_code_block(cell type, cell code_, cell labels_, cell owner_, cell relocation_, cell literals_);
505 inline void check_code_pointer(cell ptr)
508 assert(in_code_heap_p(ptr));
512 void init_code_heap(cell size);
513 bool in_code_heap_p(cell ptr);
514 void jit_compile_word(cell word_, cell def_, bool relocate);
515 void update_code_heap_words();
516 void primitive_modify_code_heap();
517 void primitive_code_room();
518 void forward_object_xts();
519 void forward_context_xts();
520 void forward_callback_xts();
521 void compact_code_heap(bool trace_contexts_p);
522 void primitive_strip_stack_traces();
524 /* Apply a function to every code block */
525 template<typename Iterator> void iterate_code_heap(Iterator &iter)
527 heap_block *scan = code->first_block();
531 if(scan->type() != FREE_BLOCK_TYPE)
532 iter((code_block *)scan);
533 scan = code->next_block(scan);
538 void init_callbacks(cell size);
539 void primitive_callback();
542 void init_objects(image_header *h);
543 void load_data_heap(FILE *file, image_header *h, vm_parameters *p);
544 void load_code_heap(FILE *file, image_header *h, vm_parameters *p);
545 bool save_image(const vm_char *filename);
546 void primitive_save_image();
547 void primitive_save_image_and_exit();
548 void data_fixup(cell *handle, cell data_relocation_base);
549 template<typename Type> void code_fixup(Type **handle, cell code_relocation_base);
550 void fixup_word(word *word, cell code_relocation_base);
551 void fixup_quotation(quotation *quot, cell code_relocation_base);
552 void fixup_alien(alien *d);
553 void fixup_callstack_object(callstack *stack, cell code_relocation_base);
554 void relocate_object(object *object, cell data_relocation_base, cell code_relocation_base);
555 void relocate_data(cell data_relocation_base, cell code_relocation_base);
556 void fixup_code_block(code_block *compiled, cell data_relocation_base);
557 void relocate_code(cell data_relocation_base);
558 void load_image(vm_parameters *p);
561 template<typename Iterator> void iterate_callstack_object(callstack *stack_, Iterator &iterator);
562 void check_frame(stack_frame *frame);
563 callstack *allot_callstack(cell size);
564 stack_frame *fix_callstack_top(stack_frame *top, stack_frame *bottom);
565 stack_frame *capture_start();
566 void primitive_callstack();
567 void primitive_set_callstack();
568 code_block *frame_code(stack_frame *frame);
569 cell frame_type(stack_frame *frame);
570 cell frame_executing(stack_frame *frame);
571 stack_frame *frame_successor(stack_frame *frame);
572 cell frame_scan(stack_frame *frame);
573 void primitive_callstack_to_array();
574 stack_frame *innermost_stack_frame(callstack *stack);
575 stack_frame *innermost_stack_frame_quot(callstack *callstack);
576 void primitive_innermost_stack_frame_executing();
577 void primitive_innermost_stack_frame_scan();
578 void primitive_set_innermost_stack_frame_quot();
579 void save_callstack_bottom(stack_frame *callstack_bottom);
580 template<typename Iterator> void iterate_callstack(context *ctx, Iterator &iterator);
582 /* Every object has a regular representation in the runtime, which makes GC
583 much simpler. Every slot of the object until binary_payload_start is a pointer
584 to some other object. */
585 template<typename Iterator> void do_slots(cell obj, Iterator &iter)
588 cell payload_start = binary_payload_start((object *)obj);
589 cell end = obj + payload_start;
591 scan += sizeof(cell);
596 scan += sizeof(cell);
601 char *pinned_alien_offset(cell obj);
602 cell allot_alien(cell delegate_, cell displacement);
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 void primitive_vm_ptr();
611 char *alien_offset(cell obj);
613 void box_alien(void *ptr);
614 void to_value_struct(cell src, void *dest, cell size);
615 void box_value_struct(void *src, cell size);
616 void box_small_struct(cell x, cell y, cell size);
617 void box_medium_struct(cell x1, cell x2, cell x3, cell x4, cell size);
620 void primitive_jit_compile();
621 void primitive_array_to_quotation();
622 void primitive_quotation_xt();
623 void set_quot_xt(quotation *quot, code_block *code);
624 void jit_compile(cell quot_, bool relocating);
625 void compile_all_words();
626 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
627 cell lazy_jit_compile_impl(cell quot_, stack_frame *stack);
628 void primitive_quot_compiled_p();
631 cell search_lookup_alist(cell table, cell klass);
632 cell search_lookup_hash(cell table, cell klass, cell hashcode);
633 cell nth_superclass(tuple_layout *layout, fixnum echelon);
634 cell nth_hashcode(tuple_layout *layout, fixnum echelon);
635 cell lookup_tuple_method(cell obj, cell methods);
636 cell lookup_hi_tag_method(cell obj, cell methods);
637 cell lookup_hairy_method(cell obj, cell methods);
638 cell lookup_method(cell obj, cell methods);
639 void primitive_lookup_method();
640 cell object_class(cell obj);
641 cell method_cache_hashcode(cell klass, array *array);
642 void update_method_cache(cell cache, cell klass, cell method);
643 void primitive_mega_cache_miss();
644 void primitive_reset_dispatch_stats();
645 void primitive_dispatch_stats();
648 void init_inline_caching(int max_size);
649 void deallocate_inline_cache(cell return_address);
650 cell determine_inline_cache_type(array *cache_entries);
651 void update_pic_count(cell type);
652 code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p);
653 void *megamorphic_call_stub(cell generic_word);
654 cell inline_cache_size(cell cache_entries);
655 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
656 void update_pic_transitions(cell pic_size);
657 void *inline_cache_miss(cell return_address);
658 void primitive_reset_inline_cache_stats();
659 void primitive_inline_cache_stats();
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 do_stage1_init();
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);
669 void start_embedded_factor(vm_parameters *p);
670 void start_standalone_factor(int argc, vm_char **argv);
671 char *factor_eval_string(char *string);
672 void factor_eval_free(char *result);
674 void factor_sleep(long us);
677 void primitive_existsp();
679 void ffi_dlopen(dll *dll);
680 void *ffi_dlsym(dll *dll, symbol_char *symbol);
681 void ffi_dlclose(dll *dll);
682 void c_to_factor_toplevel(cell quot);
686 void sleep_micros(u64 usec);
687 const vm_char *vm_executable_path();
688 const vm_char *default_image_path();
689 void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length);
690 bool windows_stat(vm_char *path);
694 LONG exception_handler(PEXCEPTION_POINTERS pe);
698 void memory_signal_handler(int signal, siginfo_t *siginfo, void *uap);
699 void misc_signal_handler(int signal, siginfo_t *siginfo, void *uap);
700 void fpe_signal_handler(int signal, siginfo_t *siginfo, void *uap);
701 stack_frame *uap_stack_pointer(void *uap);
706 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);
713 extern unordered_map<THREADHANDLE, factor_vm *> thread_vms;