5 typedef void (*c_to_factor_func_type)(cell quot);
6 typedef void (*unwind_native_frames_func_type)(cell quot, cell to);
7 typedef cell (*get_fpu_state_func_type)();
8 typedef void (*set_fpu_state_func_type)(cell state);
10 struct growable_array;
16 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. See:
18 // basis/compiler/constants/constants.factor
23 /* Spare context -- for callbacks */
26 /* New objects are allocated here, use the data->nursery reference
27 instead from c++ code. */
28 bump_allocator nursery;
30 /* Add this to a shifted address to compute write barrier offsets */
34 /* cdecl signal handler address, used by signal handler subprimitives */
35 cell signal_handler_addr;
37 /* are we handling a memory error? used to detect double faults */
40 /* Various special objects, accessed by special-object and
41 set-special-object primitives */
42 cell special_objects[special_object_count];
44 // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR.
48 /* Handle to the main thread we run in */
51 /* Data stack and retain stack sizes */
52 cell datastack_size, retainstack_size, callstack_size;
54 /* Stack of callback IDs */
55 std::vector<int> callback_ids;
57 /* Next callback ID */
60 /* List of callback function descriptors for PPC */
61 std::list<void**> function_descriptors;
63 /* Pooling unused contexts to make context allocation cheaper */
64 std::list<context*> unused_contexts;
66 /* Active contexts, for tracing by the GC */
67 std::set<context*> active_contexts;
69 /* External entry points */
70 c_to_factor_func_type c_to_factor_func;
72 /* Is profiling enabled? */
73 volatile cell sampling_profiler_p;
74 fixnum samples_per_second;
76 /* Global variables used to pass fault handler state from signal handler
78 bool signal_resumable;
80 cell signal_fault_addr;
82 unsigned int signal_fpu_status;
84 /* Pipe used to notify Factor multiplexer of signals */
85 int signal_pipe_input, signal_pipe_output;
87 /* State kept by the sampling profiler */
88 std::vector<profiling_sample> samples;
89 std::vector<cell> sample_callstacks;
91 /* GC is off during heap walking */
100 /* Pinned callback stubs */
101 callback_heap* callbacks;
103 /* Only set if we're performing a GC */
104 gc_state* current_gc;
105 volatile cell current_gc_p;
107 /* Set if we're in the jit */
108 volatile fixnum current_jit_count;
110 /* Mark stack used for mark & sweep GC */
111 std::vector<cell> mark_stack;
113 /* If not NULL, we push GC events here */
114 std::vector<gc_event>* gc_events;
116 /* If a runtime function needs to call another function which potentially
117 allocates memory, it must wrap any references to the data and code
118 heaps with data_root and code_root smart pointers, which register
119 themselves here. See data_roots.hpp and code_roots.hpp */
121 std::vector<cell*> data_roots;
122 std::vector<code_root*> code_roots;
126 bool fep_help_was_shown;
130 /* Method dispatch statistics */
131 dispatch_statistics dispatch_stats;
133 /* Number of entries in a polymorphic inline cache */
136 /* Incrementing object counter for identity hashing */
139 /* Sanity check to ensure that monotonic counter doesn't decrease */
140 uint64_t last_nano_count;
142 /* Stack for signal handlers, only used on Unix */
143 segment* signal_callstack_seg;
145 /* Are we already handling a fault? Used to catch double memory faults */
146 static bool fatal_erroring_p;
148 /* Safepoint state */
149 volatile safepoint_state safepoint;
152 context* new_context();
153 void init_context(context* ctx);
154 void delete_context();
155 void init_contexts(cell datastack_size_, cell retainstack_size_,
156 cell callstack_size_);
157 void delete_contexts();
158 cell begin_callback(cell quot);
160 void primitive_current_callback();
161 void primitive_context_object();
162 void primitive_context_object_for();
163 void primitive_set_context_object();
164 cell stack_to_array(cell bottom, cell top, vm_error_type error);
165 cell datastack_to_array(context* ctx);
166 void primitive_datastack_for();
167 cell retainstack_to_array(context* ctx);
168 void primitive_retainstack_for();
169 cell array_to_stack(array* array, cell bottom);
170 void set_datastack(context* ctx, array* array);
171 void primitive_set_datastack();
172 void set_retainstack(context* ctx, array* array);
173 void primitive_set_retainstack();
174 void primitive_check_datastack();
175 void primitive_load_locals();
178 void primitive_exit();
179 void primitive_nano_count();
180 void primitive_sleep();
181 void primitive_set_slot();
184 void primitive_special_object();
185 void primitive_set_special_object();
186 void primitive_identity_hashcode();
187 void primitive_compute_identity_hashcode();
188 cell clone_object(cell obj_);
189 void primitive_clone();
190 void primitive_become();
193 void record_sample(bool prolog_p);
194 void record_callstack_sample(cell* begin, cell* end, bool prolog_p);
195 void start_sampling_profiler(fixnum rate);
196 void end_sampling_profiler();
197 void set_sampling_profiler(fixnum rate);
198 void primitive_sampling_profiler();
199 void primitive_get_samples();
202 void general_error(vm_error_type error, cell arg1, cell arg2);
203 void type_error(cell type, cell tagged);
204 void not_implemented_error();
205 void verify_memory_protection_error(cell addr);
206 void divide_by_zero_error();
207 void primitive_unimplemented();
208 void memory_signal_handler_impl();
209 void synchronous_signal_handler_impl();
210 void fp_signal_handler_impl();
213 int bignum_equal_p(bignum* x, bignum* y);
214 enum bignum_comparison bignum_compare(bignum* x, bignum* y);
215 bignum* bignum_add(bignum* x, bignum* y);
216 bignum* bignum_subtract(bignum* x, bignum* y);
217 bignum* bignum_square(bignum* x_);
218 bignum* bignum_multiply(bignum* x, bignum* y);
219 void bignum_divide(bignum* numerator, bignum* denominator, bignum** quotient,
221 bignum* bignum_quotient(bignum* numerator, bignum* denominator);
222 bignum* bignum_remainder(bignum* numerator, bignum* denominator);
223 fixnum bignum_to_fixnum_strict(bignum* bn);
224 bignum* double_to_bignum(double x);
225 int bignum_equal_p_unsigned(bignum* x, bignum* y);
226 enum bignum_comparison bignum_compare_unsigned(bignum* x, bignum* y);
227 bignum* bignum_add_unsigned(bignum* x_, bignum* y_, int negative_p);
228 bignum* bignum_subtract_unsigned(bignum* x_, bignum* y_);
229 bignum* bignum_multiply_unsigned(bignum* x_, bignum* y_, int negative_p);
230 bignum* bignum_multiply_unsigned_small_factor(bignum* x, bignum_digit_type y,
232 void bignum_destructive_add(bignum* bn, bignum_digit_type n);
233 void bignum_destructive_scale_up(bignum* bn, bignum_digit_type factor);
234 void bignum_divide_unsigned_large_denominator(
235 bignum* numerator_, bignum* denominator_, bignum** quotient,
236 bignum** remainder, int q_negative_p, int r_negative_p);
237 void bignum_divide_unsigned_normalized(bignum* u, bignum* v, bignum* q);
238 bignum_digit_type bignum_divide_subtract(bignum_digit_type* v_start,
239 bignum_digit_type* v_end,
240 bignum_digit_type guess,
241 bignum_digit_type* u_start);
242 void bignum_divide_unsigned_medium_denominator(
243 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
244 bignum** remainder, int q_negative_p, int r_negative_p);
245 void bignum_destructive_normalization(bignum* source, bignum* target,
247 void bignum_destructive_unnormalization(bignum* bn, int shift_right);
248 bignum_digit_type bignum_digit_divide(
249 bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v,
250 bignum_digit_type* q) /* return value */;
251 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1,
252 bignum_digit_type v2,
253 bignum_digit_type guess,
254 bignum_digit_type* u);
255 void bignum_divide_unsigned_small_denominator(
256 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
257 bignum** remainder, int q_negative_p, int r_negative_p);
258 bignum_digit_type bignum_destructive_scale_down(
259 bignum* bn, bignum_digit_type denominator);
260 bignum* bignum_remainder_unsigned_small_denominator(bignum* n,
263 bignum* bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
264 bignum* allot_bignum(bignum_length_type length, int negative_p);
265 bignum* allot_bignum_zeroed(bignum_length_type length, int negative_p);
266 bignum* bignum_shorten_length(bignum* bn, bignum_length_type length);
267 bignum* bignum_trim(bignum* bn);
268 bignum* bignum_new_sign(bignum* x_, int negative_p);
269 bignum* bignum_maybe_new_sign(bignum* x_, int negative_p);
270 void bignum_destructive_copy(bignum* source, bignum* target);
271 bignum* bignum_bitwise_not(bignum* x_);
272 bignum* bignum_arithmetic_shift(bignum* arg1, fixnum n);
273 bignum* bignum_bitwise_and(bignum* arg1, bignum* arg2);
274 bignum* bignum_bitwise_ior(bignum* arg1, bignum* arg2);
275 bignum* bignum_bitwise_xor(bignum* arg1, bignum* arg2);
276 bignum* bignum_magnitude_ash(bignum* arg1_, fixnum n);
277 bignum* bignum_pospos_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
278 bignum* bignum_posneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
279 bignum* bignum_negneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
280 void bignum_negate_magnitude(bignum* arg);
281 bignum* bignum_integer_length(bignum* x_);
282 int bignum_logbitp(int shift, bignum* arg);
283 int bignum_unsigned_logbitp(int shift, bignum* bn);
284 bignum* bignum_gcd(bignum* a_, bignum* b_);
287 void set_data_heap(data_heap* data_);
288 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
289 void primitive_size();
290 data_heap_room data_room();
291 void primitive_data_room();
292 cell instances(cell type);
293 void primitive_all_instances();
295 template <typename Generation, typename Iterator>
296 inline void each_object(Generation* gen, Iterator& iterator) {
297 cell obj = gen->first_object();
299 iterator((object*)obj);
300 obj = gen->next_object_after(obj);
304 template <typename Iterator> inline void each_object(Iterator& iterator) {
306 /* The nursery can't be iterated because there may be gaps between
307 the objects (see factor_vm::reallot_array) so we require it to
309 FACTOR_ASSERT(data->nursery->occupied_space() == 0);
312 each_object(data->tenured, iterator);
313 each_object(data->aging, iterator);
317 template <typename Iterator>
318 inline void each_object_each_slot(Iterator& iterator) {
319 auto each_object_func = [&](object* obj) {
320 auto each_slot_func = [&](cell* slot) {
323 obj->each_slot(each_slot_func);
325 each_object(each_object_func);
328 /* the write barrier must be called any time we are potentially storing a
329 pointer from an older generation to a younger one */
330 inline void write_barrier(cell* slot_ptr) {
331 *(unsigned char*)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
332 *(unsigned char*)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
335 inline void write_barrier(object* obj, cell size) {
336 cell start = (cell)obj & (~card_size + 1);
337 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
339 for (cell offset = start; offset < end; offset += card_size)
340 write_barrier((cell*)offset);
344 void check_data_heap();
348 void set_current_gc_op(gc_op op);
349 void start_gc_again();
350 void collect_nursery();
351 void collect_aging();
352 void collect_to_tenured();
353 void update_code_roots_for_sweep();
354 void update_code_roots_for_compaction();
355 void collect_mark_impl();
356 void collect_sweep_impl();
358 void collect_compact_impl();
359 void collect_compact();
360 void collect_growing_heap(cell requested_size);
361 void gc(gc_op op, cell requested_size);
362 void primitive_minor_gc();
363 void primitive_full_gc();
364 void primitive_compact_gc();
365 void primitive_enable_gc_events();
366 void primitive_disable_gc_events();
367 object* allot_object(cell type, cell size);
368 object* allot_large_object(cell type, cell size);
370 /* Allocates memory */
371 template <typename Type> Type* allot(cell size) {
372 return (Type*)allot_object(Type::type_number, size);
376 template <typename Array> Array* allot_uninitialized_array(cell capacity);
377 template <typename Array>
378 bool reallot_array_in_place_p(Array* array, cell capacity);
379 template <typename Array> Array* reallot_array(Array* array_, cell capacity);
382 void print_chars(ostream& out, string* str);
383 void print_word(ostream& out, word* word, cell nesting);
384 void print_factor_string(ostream& out, string* str);
385 void print_array(ostream& out, array* array, cell nesting);
386 void print_byte_array(ostream& out, byte_array* array, cell nesting);
387 void print_tuple(ostream& out, tuple* tuple, cell nesting);
388 void print_alien(ostream& out, alien* alien, cell nesting);
389 void print_nested_obj(ostream& out, cell obj, fixnum nesting);
390 void print_obj(ostream& out, cell obj);
391 void print_objects(ostream& out, cell* start, cell* end);
392 void print_datastack(ostream& out);
393 void print_retainstack(ostream& out);
394 void print_callstack(ostream& out);
395 void print_callstack_object(ostream& out, callstack* obj);
396 void dump_cell(ostream& out, cell x);
397 void dump_memory(ostream& out, cell from, cell to);
398 void dump_memory_layout(ostream& out);
399 void dump_objects(ostream& out, cell type);
400 void dump_edges(ostream& out);
401 void find_data_references(ostream& out, cell look_for_);
402 void dump_code_heap(ostream& out);
403 void factorbug_usage(bool advanced_p);
405 void primitive_die();
408 inline void set_array_nth(array* array, cell slot, cell value);
409 array* allot_array(cell capacity, cell fill_);
410 void primitive_array();
411 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
412 void primitive_resize_array();
413 cell std_vector_to_array(std::vector<cell>& elements);
416 string* allot_string_internal(cell capacity);
417 void fill_string(string* str_, cell start, cell capacity, cell fill);
418 string* allot_string(cell capacity, cell fill);
419 void primitive_string();
420 bool reallot_string_in_place_p(string* str, cell capacity);
421 string* reallot_string(string* str_, cell capacity);
422 void primitive_resize_string();
423 void primitive_set_string_nth_fast();
426 cell tag_boolean(cell untagged) {
427 return untagged ? special_objects[OBJ_CANONICAL_TRUE] : false_object;
431 byte_array* allot_byte_array(cell size);
432 void primitive_byte_array();
433 void primitive_uninitialized_byte_array();
434 void primitive_resize_byte_array();
436 template <typename Type> byte_array* byte_array_from_value(Type* value);
439 void primitive_tuple();
440 void primitive_tuple_boa();
443 word* allot_word(cell name_, cell vocab_, cell hashcode_);
444 void primitive_word();
445 void primitive_word_code();
446 void primitive_word_optimized_p();
447 void primitive_wrapper();
448 void jit_compile_word(cell word_, cell def_, bool relocating);
451 void primitive_bignum_to_fixnum();
452 void primitive_bignum_to_fixnum_strict();
453 void primitive_float_to_fixnum();
454 void primitive_fixnum_divint();
455 void primitive_fixnum_divmod();
456 bignum* fixnum_to_bignum(fixnum);
457 bignum* cell_to_bignum(cell);
458 bignum* long_long_to_bignum(int64_t n);
459 bignum* ulong_long_to_bignum(uint64_t n);
460 inline fixnum sign_mask(fixnum x);
461 inline fixnum branchless_max(fixnum x, fixnum y);
462 inline fixnum branchless_abs(fixnum x);
463 void primitive_fixnum_shift();
464 void primitive_fixnum_to_bignum();
465 void primitive_float_to_bignum();
466 void primitive_bignum_eq();
467 void primitive_bignum_add();
468 void primitive_bignum_subtract();
469 void primitive_bignum_multiply();
470 void primitive_bignum_divint();
471 void primitive_bignum_divmod();
472 void primitive_bignum_mod();
473 void primitive_bignum_gcd();
474 void primitive_bignum_and();
475 void primitive_bignum_or();
476 void primitive_bignum_xor();
477 void primitive_bignum_shift();
478 void primitive_bignum_less();
479 void primitive_bignum_lesseq();
480 void primitive_bignum_greater();
481 void primitive_bignum_greatereq();
482 void primitive_bignum_not();
483 void primitive_bignum_bitp();
484 void primitive_bignum_log2();
485 inline cell unbox_array_size();
486 void primitive_fixnum_to_float();
487 void primitive_format_float();
488 void primitive_float_eq();
489 void primitive_float_add();
490 void primitive_float_subtract();
491 void primitive_float_multiply();
492 void primitive_float_divfloat();
493 void primitive_float_less();
494 void primitive_float_lesseq();
495 void primitive_float_greater();
496 void primitive_float_greatereq();
497 void primitive_float_bits();
498 void primitive_bits_float();
499 void primitive_double_bits();
500 void primitive_bits_double();
501 fixnum to_fixnum(cell tagged);
502 fixnum to_fixnum_strict(cell tagged);
503 cell to_cell(cell tagged);
504 cell from_signed_8(int64_t n);
505 int64_t to_signed_8(cell obj);
506 cell from_unsigned_8(uint64_t n);
507 uint64_t to_unsigned_8(cell obj);
508 float to_float(cell value);
509 double to_double(cell value);
510 inline void overflow_fixnum_add(fixnum x, fixnum y);
511 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
512 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
513 inline cell from_signed_cell(fixnum x);
514 inline cell from_unsigned_cell(cell x);
515 inline cell allot_float(double n);
516 inline bignum* float_to_bignum(cell tagged);
517 inline double untag_float(cell tagged);
518 inline double untag_float_check(cell tagged);
519 inline fixnum float_to_fixnum(cell tagged);
520 inline double fixnum_to_float(cell tagged);
523 template <typename Type> void check_tagged(tagged<Type> t) {
525 type_error(Type::type_number, t.value_);
528 template <typename Type> Type* untag_check(cell value) {
529 tagged<Type> t(value);
536 void io_error_if_not_EINTR();
537 FILE* safe_fopen(char* filename, const char* mode);
538 int safe_fgetc(FILE* stream);
539 size_t safe_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
540 void safe_fputc(int c, FILE* stream);
541 size_t safe_fwrite(void* ptr, size_t size, size_t nitems, FILE* stream);
542 int safe_ftell(FILE* stream);
543 void safe_fseek(FILE* stream, off_t offset, int whence);
544 void safe_fflush(FILE* stream);
545 void primitive_fopen();
546 FILE* pop_file_handle();
547 FILE* peek_file_handle();
548 void primitive_fgetc();
549 void primitive_fread();
550 void primitive_fputc();
551 void primitive_fwrite();
552 void primitive_ftell();
553 void primitive_fseek();
554 void primitive_fflush();
555 void primitive_fclose();
558 cell compute_entry_point_pic_address(word* w, cell tagged_quot);
559 cell compute_entry_point_pic_address(cell w_);
560 cell compute_entry_point_pic_tail_address(cell w_);
561 cell compute_external_address(instruction_operand op);
563 void update_word_references(code_block* compiled, bool reset_inline_caches);
564 void undefined_symbol();
565 cell compute_dlsym_address(array* literals, cell index, bool toc);
566 cell lookup_external_address(relocation_type rel_type,
567 code_block* compiled,
570 cell compute_here_address(cell arg, cell offset, code_block* compiled);
571 void initialize_code_block(code_block* compiled, cell literals);
572 void initialize_code_block(code_block* compiled);
573 void fixup_labels(array* labels, code_block* compiled);
574 code_block* allot_code_block(cell size, code_block_type type);
575 code_block* add_code_block(code_block_type type, cell code_, cell labels_,
576 cell owner_, cell relocation_, cell parameters_,
577 cell literals_, cell frame_size_untagged);
580 template <typename Iterator> void each_code_block(Iterator& iter) {
581 code->allocator->iterate(iter);
584 void update_code_heap_words(bool reset_inline_caches);
585 void initialize_code_blocks();
586 void primitive_modify_code_heap();
587 void primitive_code_room();
588 void primitive_strip_stack_traces();
589 void primitive_code_blocks();
592 void primitive_free_callback();
593 void primitive_callback();
594 void primitive_callback_room();
597 void load_data_heap(FILE* file, image_header* h, vm_parameters* p);
598 void load_code_heap(FILE* file, image_header* h, vm_parameters* p);
599 bool save_image(const vm_char* saving_filename, const vm_char* filename);
600 void primitive_save_image();
601 void fixup_heaps(cell data_offset, cell code_offset);
602 FILE* open_image(vm_parameters* p);
603 void load_image(vm_parameters* p);
604 bool read_embedded_image_footer(FILE* file, embedded_image_footer* footer);
605 bool embedded_image_p();
607 template <typename Iterator, typename Fixup>
608 void iterate_callstack_object(callstack* stack_, Iterator& iterator,
610 template <typename Iterator>
611 void iterate_callstack_object(callstack* stack_, Iterator& iterator);
613 callstack* allot_callstack(cell size);
614 cell second_from_top_stack_frame(context* ctx);
615 cell capture_callstack(context* ctx);
616 void primitive_callstack_for();
617 void primitive_callstack_to_array();
618 void primitive_innermost_stack_frame_executing();
619 void primitive_innermost_stack_frame_scan();
620 void primitive_set_innermost_stack_frame_quotation();
621 void primitive_callstack_bounds();
623 template <typename Iterator, typename Fixup>
624 void iterate_callstack(context* ctx, Iterator& iterator, Fixup& fixup);
625 template <typename Iterator>
626 void iterate_callstack(context* ctx, Iterator& iterator);
629 void dispatch_signal_handler(cell* sp, cell* pc, cell newpc);
630 #if defined(FACTOR_X86) || defined(FACTOR_64)
631 void dispatch_non_resumable_signal(cell* sp, cell* pc,
634 void dispatch_resumable_signal(cell* sp, cell* pc, cell handler);
638 char* pinned_alien_offset(cell obj);
639 cell allot_alien(cell delegate_, cell displacement);
640 cell allot_alien(cell address);
641 void primitive_displaced_alien();
642 void primitive_alien_address();
643 void* alien_pointer();
644 void primitive_dlopen();
645 void primitive_dlsym();
646 void primitive_dlsym_raw();
647 void primitive_dlclose();
648 void primitive_dll_validp();
649 char* alien_offset(cell obj);
652 void primitive_jit_compile();
653 cell lazy_jit_compile_entry_point();
654 void primitive_array_to_quotation();
655 void primitive_quotation_code();
656 code_block* jit_compile_quotation(cell owner_, cell quot_, bool relocating);
657 void jit_compile_quotation(cell quot_, bool relocating);
658 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
659 cell lazy_jit_compile(cell quot);
660 bool quotation_compiled_p(quotation* quot);
661 void primitive_quotation_compiled_p();
664 cell search_lookup_alist(cell table, cell klass);
665 cell search_lookup_hash(cell table, cell klass, cell hashcode);
666 cell nth_superclass(tuple_layout* layout, fixnum echelon);
667 cell nth_hashcode(tuple_layout* layout, fixnum echelon);
668 cell lookup_tuple_method(cell obj, cell methods);
669 cell lookup_method(cell obj, cell methods);
670 void primitive_lookup_method();
671 cell object_class(cell obj);
672 cell method_cache_hashcode(cell klass, array* array);
673 void update_method_cache(cell cache, cell klass, cell method);
674 void primitive_mega_cache_miss();
675 void primitive_reset_dispatch_stats();
676 void primitive_dispatch_stats();
679 void init_inline_caching(int max_size);
680 void deallocate_inline_cache(cell return_address);
681 cell determine_inline_cache_type(array* cache_entries);
682 void update_pic_count(cell type);
683 code_block* compile_inline_cache(fixnum index, cell generic_word_,
684 cell methods_, cell cache_entries_,
686 cell inline_cache_size(cell cache_entries);
687 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
688 void update_pic_transitions(cell pic_size);
689 cell inline_cache_miss(cell return_address);
692 void c_to_factor(cell quot);
693 void unwind_native_frames(cell quot, cell to);
694 cell get_fpu_state();
695 void set_fpu_state(cell state);
698 void default_parameters(vm_parameters* p);
699 bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
700 void init_parameters_from_args(vm_parameters* p, int argc, vm_char** argv);
701 void prepare_boot_image();
702 void init_factor(vm_parameters* p);
703 void pass_args_to_factor(int argc, vm_char** argv);
705 void start_embedded_factor(vm_parameters* p);
706 void start_standalone_factor(int argc, vm_char** argv);
707 char* factor_eval_string(char* string);
708 void factor_eval_free(char* result);
710 void factor_sleep(long us);
713 void primitive_existsp();
715 void ffi_dlopen(dll* dll);
716 cell ffi_dlsym(dll* dll, symbol_char* symbol);
717 cell ffi_dlsym_raw(dll* dll, symbol_char* symbol);
718 void ffi_dlclose(dll* dll);
719 void c_to_factor_toplevel(cell quot);
721 void start_sampling_profiler_timer();
722 void end_sampling_profiler_timer();
726 HANDLE sampler_thread;
727 void sampler_thread_loop();
729 const vm_char* vm_executable_path();
730 const vm_char* default_image_path();
731 BOOL windows_stat(vm_char* path);
733 LONG exception_handler(PEXCEPTION_RECORD e, void* frame, PCONTEXT c,
737 void dispatch_signal(void* uap, void(handler)());
738 void unix_init_signals();
742 void call_fault_handler(exception_type_t exception,
743 exception_data_type_t code,
744 MACH_EXC_STATE_TYPE* exc_state,
745 MACH_THREAD_STATE_TYPE* thread_state,
746 MACH_FLOAT_STATE_TYPE* float_state);
749 factor_vm(THREADHANDLE thread_id);