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, use the data->nursery reference
22 instead from c++ code. */
23 bump_allocator nursery;
25 /* Add this to a shifted address to compute write barrier offsets */
29 /* cdecl signal handler address, used by signal handler subprimitives */
30 cell signal_handler_addr;
32 /* are we handling a memory error? used to detect double faults */
35 /* Various special objects, accessed by special-object and
36 set-special-object primitives */
37 cell special_objects[special_object_count];
39 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR.
43 /* Handle to the main thread we run in */
46 /* Data stack and retain stack sizes */
47 cell datastack_size, retainstack_size, callstack_size;
49 /* Stack of callback IDs */
50 std::vector<int> callback_ids;
52 /* Next callback ID */
55 /* List of callback function descriptors for PPC */
56 std::list<void**> function_descriptors;
58 /* Pooling unused contexts to make context allocation cheaper */
59 std::list<context*> unused_contexts;
61 /* Active contexts, for tracing by the GC */
62 std::set<context*> active_contexts;
64 /* Canonical truth value. In Factor, 't' */
67 /* External entry points */
68 c_to_factor_func_type c_to_factor_func;
70 /* Is profiling enabled? */
71 volatile cell sampling_profiler_p;
72 fixnum samples_per_second;
74 /* Global variables used to pass fault handler state from signal handler
76 bool signal_resumable;
78 cell signal_fault_addr;
80 unsigned int signal_fpu_status;
82 /* Pipe used to notify Factor multiplexer of signals */
83 int signal_pipe_input, signal_pipe_output;
85 /* State kept by the sampling profiler */
86 std::vector<profiling_sample> samples;
87 std::vector<cell> sample_callstacks;
89 /* GC is off during heap walking */
98 /* Pinned callback stubs */
99 callback_heap* callbacks;
101 /* Only set if we're performing a GC */
102 gc_state* current_gc;
103 volatile cell current_gc_p;
105 /* Set if we're in the jit */
106 volatile fixnum current_jit_count;
109 std::vector<cell> mark_stack;
111 /* If not NULL, we push GC events here */
112 std::vector<gc_event>* gc_events;
114 /* If a runtime function needs to call another function which potentially
115 allocates memory, it must wrap any references to the data and code
116 heaps with data_root and code_root smart pointers, which register
117 themselves here. See data_roots.hpp and code_roots.hpp */
119 std::vector<cell*> data_roots;
120 std::vector<code_root*> code_roots;
124 bool fep_help_was_shown;
128 /* Canonical bignums */
133 /* Method dispatch statistics */
134 dispatch_statistics dispatch_stats;
136 /* Number of entries in a polymorphic inline cache */
139 /* Incrementing object counter for identity hashing */
142 /* Sanity check to ensure that monotonic counter doesn't decrease */
143 uint64_t last_nano_count;
145 /* Stack for signal handlers, only used on Unix */
146 segment* signal_callstack_seg;
148 /* Are we already handling a fault? Used to catch double memory faults */
149 static bool fatal_erroring_p;
151 /* Safepoint state */
152 volatile safepoint_state safepoint;
155 context* new_context();
156 void init_context(context* ctx);
157 void delete_context(context* old_context);
158 void init_contexts(cell datastack_size_, cell retainstack_size_,
159 cell callstack_size_);
160 void delete_contexts();
161 cell begin_callback(cell quot);
163 void primitive_current_callback();
164 void primitive_context_object();
165 void primitive_context_object_for();
166 void primitive_set_context_object();
167 cell stack_to_array(cell bottom, cell top, vm_error_type error);
168 cell datastack_to_array(context* ctx);
169 void primitive_datastack();
170 void primitive_datastack_for();
171 cell retainstack_to_array(context* ctx);
172 void primitive_retainstack();
173 void primitive_retainstack_for();
174 cell array_to_stack(array* array, cell bottom);
175 void set_datastack(context* ctx, array* array);
176 void primitive_set_datastack();
177 void set_retainstack(context* ctx, array* array);
178 void primitive_set_retainstack();
179 void primitive_check_datastack();
180 void primitive_load_locals();
183 void primitive_exit();
184 void primitive_nano_count();
185 void primitive_sleep();
186 void primitive_set_slot();
189 void primitive_special_object();
190 void primitive_set_special_object();
191 void primitive_identity_hashcode();
192 void compute_identity_hashcode(object* obj);
193 void primitive_compute_identity_hashcode();
194 cell object_size(cell tagged);
195 cell clone_object(cell obj_);
196 void primitive_clone();
197 void primitive_become();
200 void clear_samples();
201 void record_sample(bool prolog_p);
202 void record_callstack_sample(cell* begin, cell* end, bool prolog_p);
203 void start_sampling_profiler(fixnum rate);
204 void end_sampling_profiler();
205 void set_sampling_profiler(fixnum rate);
206 void primitive_sampling_profiler();
207 void primitive_get_samples();
208 void primitive_clear_samples();
211 void general_error(vm_error_type error, cell arg1, cell arg2);
212 void type_error(cell type, cell tagged);
213 void not_implemented_error();
214 void verify_memory_protection_error(cell addr);
215 void memory_protection_error(cell pc, cell addr);
216 void signal_error(cell signal);
217 void divide_by_zero_error();
218 void fp_trap_error(unsigned int fpu_status);
219 void primitive_unimplemented();
220 void memory_signal_handler_impl();
221 void synchronous_signal_handler_impl();
222 void fp_signal_handler_impl();
225 int bignum_equal_p(bignum* x, bignum* y);
226 enum bignum_comparison bignum_compare(bignum* x, bignum* y);
227 bignum* bignum_add(bignum* x, bignum* y);
228 bignum* bignum_subtract(bignum* x, bignum* y);
229 bignum* bignum_square(bignum* x_);
230 bignum* bignum_multiply(bignum* x, bignum* y);
231 void bignum_divide(bignum* numerator, bignum* denominator, bignum** quotient,
233 bignum* bignum_quotient(bignum* numerator, bignum* denominator);
234 bignum* bignum_remainder(bignum* numerator, bignum* denominator);
235 cell bignum_to_cell(bignum* bn);
236 fixnum bignum_to_fixnum_strict(bignum* bn);
237 fixnum bignum_to_fixnum(bignum* bn);
238 int64_t bignum_to_long_long(bignum* bn);
239 uint64_t bignum_to_ulong_long(bignum* bn);
240 bignum* double_to_bignum(double x);
241 int bignum_equal_p_unsigned(bignum* x, bignum* y);
242 enum bignum_comparison bignum_compare_unsigned(bignum* x, bignum* y);
243 bignum* bignum_add_unsigned(bignum* x_, bignum* y_, int negative_p);
244 bignum* bignum_subtract_unsigned(bignum* x_, bignum* y_);
245 bignum* bignum_multiply_unsigned(bignum* x_, bignum* y_, int negative_p);
246 bignum* bignum_multiply_unsigned_small_factor(bignum* x, bignum_digit_type y,
248 void bignum_destructive_add(bignum* bn, bignum_digit_type n);
249 void bignum_destructive_scale_up(bignum* bn, bignum_digit_type factor);
250 void bignum_divide_unsigned_large_denominator(
251 bignum* numerator_, bignum* denominator_, bignum** quotient,
252 bignum** remainder, int q_negative_p, int r_negative_p);
253 void bignum_divide_unsigned_normalized(bignum* u, bignum* v, bignum* q);
254 bignum_digit_type bignum_divide_subtract(bignum_digit_type* v_start,
255 bignum_digit_type* v_end,
256 bignum_digit_type guess,
257 bignum_digit_type* u_start);
258 void bignum_divide_unsigned_medium_denominator(
259 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
260 bignum** remainder, int q_negative_p, int r_negative_p);
261 void bignum_destructive_normalization(bignum* source, bignum* target,
263 void bignum_destructive_unnormalization(bignum* bn, int shift_right);
264 bignum_digit_type bignum_digit_divide(
265 bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v,
266 bignum_digit_type* q) /* return value */;
267 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1,
268 bignum_digit_type v2,
269 bignum_digit_type guess,
270 bignum_digit_type* u);
271 void bignum_divide_unsigned_small_denominator(
272 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
273 bignum** remainder, int q_negative_p, int r_negative_p);
274 bignum_digit_type bignum_destructive_scale_down(
275 bignum* bn, bignum_digit_type denominator);
276 bignum* bignum_remainder_unsigned_small_denominator(bignum* n,
279 bignum* bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
280 bignum* allot_bignum(bignum_length_type length, int negative_p);
281 bignum* allot_bignum_zeroed(bignum_length_type length, int negative_p);
282 bignum* bignum_shorten_length(bignum* bn, bignum_length_type length);
283 bignum* bignum_trim(bignum* bn);
284 bignum* bignum_new_sign(bignum* x_, int negative_p);
285 bignum* bignum_maybe_new_sign(bignum* x_, int negative_p);
286 void bignum_destructive_copy(bignum* source, bignum* target);
287 bignum* bignum_bitwise_not(bignum* x_);
288 bignum* bignum_arithmetic_shift(bignum* arg1, fixnum n);
289 bignum* bignum_bitwise_and(bignum* arg1, bignum* arg2);
290 bignum* bignum_bitwise_ior(bignum* arg1, bignum* arg2);
291 bignum* bignum_bitwise_xor(bignum* arg1, bignum* arg2);
292 bignum* bignum_magnitude_ash(bignum* arg1_, fixnum n);
293 bignum* bignum_pospos_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
294 bignum* bignum_posneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
295 bignum* bignum_negneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
296 void bignum_negate_magnitude(bignum* arg);
297 bignum* bignum_integer_length(bignum* x_);
298 int bignum_logbitp(int shift, bignum* arg);
299 int bignum_unsigned_logbitp(int shift, bignum* bn);
300 bignum* bignum_gcd(bignum* a_, bignum* b_);
303 void init_card_decks();
304 void set_data_heap(data_heap* data_);
305 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
306 void primitive_size();
307 data_heap_room data_room();
308 void primitive_data_room();
311 cell instances(cell type);
312 void primitive_all_instances();
314 template <typename Generation, typename Iterator>
315 inline void each_object(Generation* gen, Iterator& iterator) {
316 cell obj = gen->first_object();
318 iterator((object*)obj);
319 obj = gen->next_object_after(obj);
323 template <typename Iterator> inline void each_object(Iterator& iterator) {
325 /* The nursery can't be iterated because there may be gaps between
326 the objects (see factor_vm::reallot_array) so we require it to
328 FACTOR_ASSERT(data->nursery->occupied_space() == 0);
331 each_object(data->tenured, iterator);
332 each_object(data->aging, iterator);
336 /* the write barrier must be called any time we are potentially storing a
337 pointer from an older generation to a younger one */
338 inline void write_barrier(cell* slot_ptr) {
339 *(char*)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
340 *(char*)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
343 inline void write_barrier(object* obj, cell size) {
344 cell start = (cell)obj & (~card_size + 1);
345 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
347 for (cell offset = start; offset < end; offset += card_size)
348 write_barrier((cell*)offset);
352 void check_data_heap();
356 void set_current_gc_op(gc_op op);
357 void start_gc_again();
358 void collect_nursery();
359 void collect_aging();
360 void collect_to_tenured();
361 void update_code_roots_for_sweep();
362 void update_code_roots_for_compaction();
363 void collect_mark_impl();
364 void collect_sweep_impl();
366 void collect_compact_impl();
367 void collect_compact_code_impl();
368 void collect_compact();
369 void collect_growing_heap(cell requested_size);
370 void gc(gc_op op, cell requested_size);
371 void scrub_context(context* ctx);
372 void scrub_contexts();
373 void primitive_minor_gc();
374 void primitive_full_gc();
375 void primitive_compact_gc();
376 void primitive_enable_gc_events();
377 void primitive_disable_gc_events();
378 object* allot_object(cell type, cell size);
379 object* allot_large_object(cell type, cell size);
381 /* Allocates memory */
382 template <typename Type> Type* allot(cell size) {
383 return (Type*)allot_object(Type::type_number, size);
387 template <typename Array> Array* allot_uninitialized_array(cell capacity);
388 template <typename Array>
389 bool reallot_array_in_place_p(Array* array, cell capacity);
390 template <typename Array> Array* reallot_array(Array* array_, cell capacity);
393 void print_chars(ostream& out, string* str);
394 void print_word(ostream& out, word* word, cell nesting);
395 void print_factor_string(ostream& out, string* str);
396 void print_array(ostream& out, array* array, cell nesting);
397 void print_byte_array(ostream& out, byte_array* array, cell nesting);
398 void print_tuple(ostream& out, tuple* tuple, cell nesting);
399 void print_alien(ostream& out, alien* alien, cell nesting);
400 void print_nested_obj(ostream& out, cell obj, fixnum nesting);
401 void print_obj(ostream& out, cell obj);
402 void print_objects(ostream& out, cell* start, cell* end);
403 void print_datastack(ostream& out);
404 void print_retainstack(ostream& out);
405 void print_callstack(ostream& out);
406 void print_callstack_object(ostream& out, callstack* obj);
407 void dump_cell(ostream& out, cell x);
408 void dump_memory(ostream& out, cell from, cell to);
409 template <typename Generation>
410 void dump_generation(ostream& out, const char* name, Generation* gen);
411 void dump_generations(ostream& out);
412 void dump_objects(ostream& out, cell type);
413 void dump_edges(ostream& out);
414 void find_data_references(ostream& out, cell look_for_);
415 void dump_code_heap(ostream& out);
416 void factorbug_usage(bool advanced_p);
418 void primitive_die();
421 inline void set_array_nth(array* array, cell slot, cell value);
422 array* allot_array(cell capacity, cell fill_);
423 void primitive_array();
424 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
425 void primitive_resize_array();
426 cell std_vector_to_array(std::vector<cell>& elements);
429 string* allot_string_internal(cell capacity);
430 void fill_string(string* str_, cell start, cell capacity, cell fill);
431 string* allot_string(cell capacity, cell fill);
432 void primitive_string();
433 bool reallot_string_in_place_p(string* str, cell capacity);
434 string* reallot_string(string* str_, cell capacity);
435 void primitive_resize_string();
436 void primitive_set_string_nth_fast();
439 cell tag_boolean(cell untagged) {
440 return (untagged ? true_object : false_object);
444 byte_array* allot_byte_array(cell size);
445 void primitive_byte_array();
446 void primitive_uninitialized_byte_array();
447 void primitive_resize_byte_array();
449 template <typename Type> byte_array* byte_array_from_value(Type* value);
452 void primitive_tuple();
453 void primitive_tuple_boa();
456 word* allot_word(cell name_, cell vocab_, cell hashcode_);
457 void primitive_word();
458 void primitive_word_code();
459 void primitive_optimized_p();
460 void primitive_wrapper();
461 void jit_compile_word(cell word_, cell def_, bool relocating);
462 cell find_all_words();
463 void compile_all_words();
466 void primitive_bignum_to_fixnum();
467 void primitive_bignum_to_fixnum_strict();
468 void primitive_float_to_fixnum();
469 void primitive_fixnum_divint();
470 void primitive_fixnum_divmod();
471 bignum* fixnum_to_bignum(fixnum);
472 bignum* cell_to_bignum(cell);
473 bignum* long_long_to_bignum(int64_t n);
474 bignum* ulong_long_to_bignum(uint64_t n);
475 inline fixnum sign_mask(fixnum x);
476 inline fixnum branchless_max(fixnum x, fixnum y);
477 inline fixnum branchless_abs(fixnum x);
478 void primitive_fixnum_shift();
479 void primitive_fixnum_to_bignum();
480 void primitive_float_to_bignum();
481 void primitive_bignum_eq();
482 void primitive_bignum_add();
483 void primitive_bignum_subtract();
484 void primitive_bignum_multiply();
485 void primitive_bignum_divint();
486 void primitive_bignum_divmod();
487 void primitive_bignum_mod();
488 void primitive_bignum_gcd();
489 void primitive_bignum_and();
490 void primitive_bignum_or();
491 void primitive_bignum_xor();
492 void primitive_bignum_shift();
493 void primitive_bignum_less();
494 void primitive_bignum_lesseq();
495 void primitive_bignum_greater();
496 void primitive_bignum_greatereq();
497 void primitive_bignum_not();
498 void primitive_bignum_bitp();
499 void primitive_bignum_log2();
500 inline cell unbox_array_size();
501 void primitive_fixnum_to_float();
502 void primitive_format_float();
503 void primitive_float_eq();
504 void primitive_float_add();
505 void primitive_float_subtract();
506 void primitive_float_multiply();
507 void primitive_float_divfloat();
508 void primitive_float_less();
509 void primitive_float_lesseq();
510 void primitive_float_greater();
511 void primitive_float_greatereq();
512 void primitive_float_bits();
513 void primitive_bits_float();
514 void primitive_double_bits();
515 void primitive_bits_double();
516 fixnum to_fixnum(cell tagged);
517 fixnum to_fixnum_strict(cell tagged);
518 cell to_cell(cell tagged);
519 cell from_signed_8(int64_t n);
520 int64_t to_signed_8(cell obj);
521 cell from_unsigned_8(uint64_t n);
522 uint64_t to_unsigned_8(cell obj);
523 float to_float(cell value);
524 double to_double(cell value);
525 inline void overflow_fixnum_add(fixnum x, fixnum y);
526 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
527 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
528 inline cell from_signed_cell(fixnum x);
529 inline cell from_unsigned_cell(cell x);
530 inline cell allot_float(double n);
531 inline bignum* float_to_bignum(cell tagged);
532 inline double untag_float(cell tagged);
533 inline double untag_float_check(cell tagged);
534 inline fixnum float_to_fixnum(cell tagged);
535 inline double fixnum_to_float(cell tagged);
538 template <typename Type> Type* untag_check(cell value);
543 FILE* safe_fopen(char* filename, char* mode);
544 int safe_fgetc(FILE* stream);
545 size_t safe_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
546 void safe_fputc(int c, FILE* stream);
547 size_t safe_fwrite(void* ptr, size_t size, size_t nitems, FILE* stream);
548 int safe_ftell(FILE* stream);
549 void safe_fseek(FILE* stream, off_t offset, int whence);
550 void safe_fflush(FILE* stream);
551 void safe_fclose(FILE* stream);
552 void primitive_fopen();
553 FILE* pop_file_handle();
554 FILE* peek_file_handle();
555 void primitive_fgetc();
556 void primitive_fread();
557 void primitive_fputc();
558 void primitive_fwrite();
559 void primitive_ftell();
560 void primitive_fseek();
561 void primitive_fflush();
562 void primitive_fclose();
565 cell compute_entry_point_address(cell obj);
566 cell compute_entry_point_pic_address(word* w, cell tagged_quot);
567 cell compute_entry_point_pic_address(cell w_);
568 cell compute_entry_point_pic_tail_address(cell w_);
569 cell code_block_owner(code_block* compiled);
570 void update_word_references(code_block* compiled, bool reset_inline_caches);
571 void undefined_symbol();
572 cell compute_dlsym_address(array* literals, cell index);
574 cell compute_dlsym_toc_address(array* literals, cell index);
576 cell compute_vm_address(cell arg);
577 void store_external_address(instruction_operand op);
578 cell lookup_external_address(relocation_type rel_type,
579 code_block* compiled,
582 cell compute_here_address(cell arg, cell offset, code_block* compiled);
583 void initialize_code_block(code_block* compiled, cell literals);
584 void initialize_code_block(code_block* compiled);
585 void fixup_labels(array* labels, code_block* compiled);
586 code_block* allot_code_block(cell size, code_block_type type);
587 code_block* add_code_block(code_block_type type, cell code_, cell labels_,
588 cell owner_, cell relocation_, cell parameters_,
589 cell literals_, cell frame_size_untagged);
592 template <typename Iterator> void each_code_block(Iterator& iter) {
593 code->allocator->iterate(iter);
596 void init_code_heap(cell size);
597 void update_code_heap_words(bool reset_inline_caches);
598 void initialize_code_blocks();
599 void primitive_modify_code_heap();
600 void primitive_code_room();
601 void primitive_strip_stack_traces();
603 void primitive_code_blocks();
606 void init_callbacks(cell size);
607 void primitive_free_callback();
608 void primitive_callback();
609 void primitive_callback_room();
612 void init_objects(image_header* h);
613 void load_data_heap(FILE* file, image_header* h, vm_parameters* p);
614 void load_code_heap(FILE* file, image_header* h, vm_parameters* p);
615 bool save_image(const vm_char* saving_filename, const vm_char* filename);
616 void primitive_save_image();
617 void primitive_save_image_and_exit();
618 void fixup_data(cell data_offset, cell code_offset);
619 void fixup_code(cell data_offset, cell code_offset);
620 FILE* open_image(vm_parameters* p);
621 void load_image(vm_parameters* p);
622 bool read_embedded_image_footer(FILE* file, embedded_image_footer* footer);
623 bool embedded_image_p();
625 template <typename Iterator, typename Fixup>
626 void iterate_callstack_object(callstack* stack_, Iterator& iterator,
628 template <typename Iterator>
629 void iterate_callstack_object(callstack* stack_, Iterator& iterator);
631 callstack* allot_callstack(cell size);
632 cell second_from_top_stack_frame(context* ctx);
633 cell capture_callstack(context* ctx);
634 void primitive_callstack();
635 void primitive_callstack_for();
636 cell frame_predecessor(cell frame_top);
637 void primitive_callstack_to_array();
638 void primitive_innermost_stack_frame_executing();
639 void primitive_innermost_stack_frame_scan();
640 void primitive_set_innermost_stack_frame_quot();
641 void primitive_callstack_bounds();
643 template <typename Iterator, typename Fixup>
644 void iterate_callstack(context* ctx, Iterator& iterator, Fixup& fixup);
645 template <typename Iterator>
646 void iterate_callstack(context* ctx, Iterator& iterator);
649 void dispatch_signal_handler(cell* sp, cell* pc, cell newpc);
652 char* pinned_alien_offset(cell obj);
653 cell allot_alien(cell delegate_, cell displacement);
654 cell allot_alien(void* address);
655 void primitive_displaced_alien();
656 void primitive_alien_address();
657 void* alien_pointer();
658 void primitive_dlopen();
659 void primitive_dlsym();
660 void primitive_dlsym_raw();
661 void primitive_dlclose();
662 void primitive_dll_validp();
663 char* alien_offset(cell obj);
666 void primitive_jit_compile();
667 cell lazy_jit_compile_entry_point();
668 void primitive_array_to_quotation();
669 void primitive_quotation_code();
670 code_block* jit_compile_quot(cell owner_, cell quot_, bool relocating);
671 void jit_compile_quot(cell quot_, bool relocating);
672 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
673 cell lazy_jit_compile(cell quot);
674 bool quot_compiled_p(quotation* quot);
675 void primitive_quot_compiled_p();
676 cell find_all_quotations();
677 void initialize_all_quotations();
680 cell search_lookup_alist(cell table, cell klass);
681 cell search_lookup_hash(cell table, cell klass, cell hashcode);
682 cell nth_superclass(tuple_layout* layout, fixnum echelon);
683 cell nth_hashcode(tuple_layout* layout, fixnum echelon);
684 cell lookup_tuple_method(cell obj, cell methods);
685 cell lookup_method(cell obj, cell methods);
686 void primitive_lookup_method();
687 cell object_class(cell obj);
688 cell method_cache_hashcode(cell klass, array* array);
689 void update_method_cache(cell cache, cell klass, cell method);
690 void primitive_mega_cache_miss();
691 void primitive_reset_dispatch_stats();
692 void primitive_dispatch_stats();
695 void init_inline_caching(int max_size);
696 void deallocate_inline_cache(cell return_address);
697 cell determine_inline_cache_type(array* cache_entries);
698 void update_pic_count(cell type);
699 code_block* compile_inline_cache(fixnum index, cell generic_word_,
700 cell methods_, cell cache_entries_,
702 cell inline_cache_size(cell cache_entries);
703 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
704 void update_pic_transitions(cell pic_size);
705 cell inline_cache_miss(cell return_address);
708 void c_to_factor(cell quot);
709 template <typename Func> Func get_entry_point(cell n);
710 void unwind_native_frames(cell quot, cell to);
711 cell get_fpu_state();
712 void set_fpu_state(cell state);
715 void default_parameters(vm_parameters* p);
716 bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
717 void init_parameters_from_args(vm_parameters* p, int argc, vm_char** argv);
718 void prepare_boot_image();
719 void init_factor(vm_parameters* p);
720 void pass_args_to_factor(int argc, vm_char** argv);
721 void start_factor(vm_parameters* p);
723 void start_embedded_factor(vm_parameters* p);
724 void start_standalone_factor(int argc, vm_char** argv);
725 char* factor_eval_string(char* string);
726 void factor_eval_free(char* result);
728 void factor_sleep(long us);
731 void primitive_existsp();
732 void move_file(const vm_char* path1, const vm_char* path2);
734 void ffi_dlopen(dll* dll);
735 void* ffi_dlsym(dll* dll, symbol_char* symbol);
736 void* ffi_dlsym_raw(dll* dll, symbol_char* symbol);
738 void* ffi_dlsym_toc(dll* dll, symbol_char* symbol);
740 void ffi_dlclose(dll* dll);
741 void c_to_factor_toplevel(cell quot);
743 void start_sampling_profiler_timer();
744 void end_sampling_profiler_timer();
745 static void open_console();
746 static void close_console();
747 static void lock_console();
748 static void unlock_console();
749 static void ignore_ctrl_c();
750 static void handle_ctrl_c();
754 HANDLE sampler_thread;
755 void sampler_thread_loop();
757 const vm_char* vm_executable_path();
758 const vm_char* default_image_path();
759 void windows_image_path(vm_char* full_path, vm_char* temp_path,
760 unsigned int length);
761 BOOL windows_stat(vm_char* path);
763 LONG exception_handler(PEXCEPTION_RECORD e, void* frame, PCONTEXT c,
767 void dispatch_signal(void* uap, void(handler)());
768 void unix_init_signals();
772 void call_fault_handler(exception_type_t exception,
773 exception_data_type_t code,
774 MACH_EXC_STATE_TYPE* exc_state,
775 MACH_THREAD_STATE_TYPE* thread_state,
776 MACH_FLOAT_STATE_TYPE* float_state);
779 factor_vm(THREADHANDLE thread_id);