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 /* Canonical truth value. In Factor, 't' */
72 /* External entry points */
73 c_to_factor_func_type c_to_factor_func;
75 /* Is profiling enabled? */
76 volatile cell sampling_profiler_p;
77 fixnum samples_per_second;
79 /* Global variables used to pass fault handler state from signal handler
81 bool signal_resumable;
83 cell signal_fault_addr;
85 unsigned int signal_fpu_status;
87 /* Pipe used to notify Factor multiplexer of signals */
88 int signal_pipe_input, signal_pipe_output;
90 /* State kept by the sampling profiler */
91 std::vector<profiling_sample> samples;
92 std::vector<cell> sample_callstacks;
94 /* GC is off during heap walking */
103 /* Pinned callback stubs */
104 callback_heap* callbacks;
106 /* Only set if we're performing a GC */
107 gc_state* current_gc;
108 volatile cell current_gc_p;
110 /* Set if we're in the jit */
111 volatile fixnum current_jit_count;
114 std::vector<cell> mark_stack;
116 /* If not NULL, we push GC events here */
117 std::vector<gc_event>* gc_events;
119 /* If a runtime function needs to call another function which potentially
120 allocates memory, it must wrap any references to the data and code
121 heaps with data_root and code_root smart pointers, which register
122 themselves here. See data_roots.hpp and code_roots.hpp */
124 std::vector<cell*> data_roots;
125 std::vector<code_root*> code_roots;
129 bool fep_help_was_shown;
133 /* Canonical bignums */
138 /* Method dispatch statistics */
139 dispatch_statistics dispatch_stats;
141 /* Number of entries in a polymorphic inline cache */
144 /* Incrementing object counter for identity hashing */
147 /* Sanity check to ensure that monotonic counter doesn't decrease */
148 uint64_t last_nano_count;
150 /* Stack for signal handlers, only used on Unix */
151 segment* signal_callstack_seg;
153 /* Are we already handling a fault? Used to catch double memory faults */
154 static bool fatal_erroring_p;
156 /* Safepoint state */
157 volatile safepoint_state safepoint;
160 context* new_context();
161 void init_context(context* ctx);
162 void delete_context();
163 void init_contexts(cell datastack_size_, cell retainstack_size_,
164 cell callstack_size_);
165 void delete_contexts();
166 cell begin_callback(cell quot);
168 void primitive_current_callback();
169 void primitive_context_object();
170 void primitive_context_object_for();
171 void primitive_set_context_object();
172 cell stack_to_array(cell bottom, cell top, vm_error_type error);
173 cell datastack_to_array(context* ctx);
174 void primitive_datastack();
175 void primitive_datastack_for();
176 cell retainstack_to_array(context* ctx);
177 void primitive_retainstack();
178 void primitive_retainstack_for();
179 cell array_to_stack(array* array, cell bottom);
180 void set_datastack(context* ctx, array* array);
181 void primitive_set_datastack();
182 void set_retainstack(context* ctx, array* array);
183 void primitive_set_retainstack();
184 void primitive_check_datastack();
185 void primitive_load_locals();
188 void primitive_exit();
189 void primitive_nano_count();
190 void primitive_sleep();
191 void primitive_set_slot();
194 void primitive_special_object();
195 void primitive_set_special_object();
196 void primitive_identity_hashcode();
197 void compute_identity_hashcode(object* obj);
198 void primitive_compute_identity_hashcode();
199 cell object_size(cell tagged);
200 cell clone_object(cell obj_);
201 void primitive_clone();
202 void primitive_become();
205 void clear_samples();
206 void record_sample(bool prolog_p);
207 void record_callstack_sample(cell* begin, cell* end, bool prolog_p);
208 void start_sampling_profiler(fixnum rate);
209 void end_sampling_profiler();
210 void set_sampling_profiler(fixnum rate);
211 void primitive_sampling_profiler();
212 void primitive_get_samples();
213 void primitive_clear_samples();
216 void general_error(vm_error_type error, cell arg1, cell arg2);
217 void type_error(cell type, cell tagged);
218 void not_implemented_error();
219 void verify_memory_protection_error(cell addr);
220 void memory_protection_error(cell pc, cell addr);
221 void signal_error(cell signal);
222 void divide_by_zero_error();
223 void fp_trap_error(unsigned int fpu_status);
224 void primitive_unimplemented();
225 void memory_signal_handler_impl();
226 void synchronous_signal_handler_impl();
227 void fp_signal_handler_impl();
230 int bignum_equal_p(bignum* x, bignum* y);
231 enum bignum_comparison bignum_compare(bignum* x, bignum* y);
232 bignum* bignum_add(bignum* x, bignum* y);
233 bignum* bignum_subtract(bignum* x, bignum* y);
234 bignum* bignum_square(bignum* x_);
235 bignum* bignum_multiply(bignum* x, bignum* y);
236 void bignum_divide(bignum* numerator, bignum* denominator, bignum** quotient,
238 bignum* bignum_quotient(bignum* numerator, bignum* denominator);
239 bignum* bignum_remainder(bignum* numerator, bignum* denominator);
240 fixnum bignum_to_fixnum_strict(bignum* bn);
241 bignum* double_to_bignum(double x);
242 int bignum_equal_p_unsigned(bignum* x, bignum* y);
243 enum bignum_comparison bignum_compare_unsigned(bignum* x, bignum* y);
244 bignum* bignum_add_unsigned(bignum* x_, bignum* y_, int negative_p);
245 bignum* bignum_subtract_unsigned(bignum* x_, bignum* y_);
246 bignum* bignum_multiply_unsigned(bignum* x_, bignum* y_, int negative_p);
247 bignum* bignum_multiply_unsigned_small_factor(bignum* x, bignum_digit_type y,
249 void bignum_destructive_add(bignum* bn, bignum_digit_type n);
250 void bignum_destructive_scale_up(bignum* bn, bignum_digit_type factor);
251 void bignum_divide_unsigned_large_denominator(
252 bignum* numerator_, bignum* denominator_, bignum** quotient,
253 bignum** remainder, int q_negative_p, int r_negative_p);
254 void bignum_divide_unsigned_normalized(bignum* u, bignum* v, bignum* q);
255 bignum_digit_type bignum_divide_subtract(bignum_digit_type* v_start,
256 bignum_digit_type* v_end,
257 bignum_digit_type guess,
258 bignum_digit_type* u_start);
259 void bignum_divide_unsigned_medium_denominator(
260 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
261 bignum** remainder, int q_negative_p, int r_negative_p);
262 void bignum_destructive_normalization(bignum* source, bignum* target,
264 void bignum_destructive_unnormalization(bignum* bn, int shift_right);
265 bignum_digit_type bignum_digit_divide(
266 bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v,
267 bignum_digit_type* q) /* return value */;
268 bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1,
269 bignum_digit_type v2,
270 bignum_digit_type guess,
271 bignum_digit_type* u);
272 void bignum_divide_unsigned_small_denominator(
273 bignum* numerator_, bignum_digit_type denominator, bignum** quotient,
274 bignum** remainder, int q_negative_p, int r_negative_p);
275 bignum_digit_type bignum_destructive_scale_down(
276 bignum* bn, bignum_digit_type denominator);
277 bignum* bignum_remainder_unsigned_small_denominator(bignum* n,
280 bignum* bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
281 bignum* allot_bignum(bignum_length_type length, int negative_p);
282 bignum* allot_bignum_zeroed(bignum_length_type length, int negative_p);
283 bignum* bignum_shorten_length(bignum* bn, bignum_length_type length);
284 bignum* bignum_trim(bignum* bn);
285 bignum* bignum_new_sign(bignum* x_, int negative_p);
286 bignum* bignum_maybe_new_sign(bignum* x_, int negative_p);
287 void bignum_destructive_copy(bignum* source, bignum* target);
288 bignum* bignum_bitwise_not(bignum* x_);
289 bignum* bignum_arithmetic_shift(bignum* arg1, fixnum n);
290 bignum* bignum_bitwise_and(bignum* arg1, bignum* arg2);
291 bignum* bignum_bitwise_ior(bignum* arg1, bignum* arg2);
292 bignum* bignum_bitwise_xor(bignum* arg1, bignum* arg2);
293 bignum* bignum_magnitude_ash(bignum* arg1_, fixnum n);
294 bignum* bignum_pospos_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
295 bignum* bignum_posneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
296 bignum* bignum_negneg_bitwise_op(int op, bignum* arg1_, bignum* arg2_);
297 void bignum_negate_magnitude(bignum* arg);
298 bignum* bignum_integer_length(bignum* x_);
299 int bignum_logbitp(int shift, bignum* arg);
300 int bignum_unsigned_logbitp(int shift, bignum* bn);
301 bignum* bignum_gcd(bignum* a_, bignum* b_);
304 void init_card_decks();
305 void set_data_heap(data_heap* data_);
306 void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
307 void primitive_size();
308 data_heap_room data_room();
309 void primitive_data_room();
312 cell instances(cell type);
313 void primitive_all_instances();
315 template <typename Generation, typename Iterator>
316 inline void each_object(Generation* gen, Iterator& iterator) {
317 cell obj = gen->first_object();
319 iterator((object*)obj);
320 obj = gen->next_object_after(obj);
324 template <typename Iterator> inline void each_object(Iterator& iterator) {
326 /* The nursery can't be iterated because there may be gaps between
327 the objects (see factor_vm::reallot_array) so we require it to
329 FACTOR_ASSERT(data->nursery->occupied_space() == 0);
332 each_object(data->tenured, iterator);
333 each_object(data->aging, iterator);
337 /* the write barrier must be called any time we are potentially storing a
338 pointer from an older generation to a younger one */
339 inline void write_barrier(cell* slot_ptr) {
340 *(char*)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
341 *(char*)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
344 inline void write_barrier(object* obj, cell size) {
345 cell start = (cell)obj & (~card_size + 1);
346 cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
348 for (cell offset = start; offset < end; offset += card_size)
349 write_barrier((cell*)offset);
353 void check_data_heap();
357 void set_current_gc_op(gc_op op);
358 void start_gc_again();
359 void collect_nursery();
360 void collect_aging();
361 void collect_to_tenured();
362 void update_code_roots_for_sweep();
363 void update_code_roots_for_compaction();
364 void collect_mark_impl();
365 void collect_sweep_impl();
367 void collect_compact_impl();
368 void collect_compact();
369 void collect_growing_heap(cell requested_size);
370 void gc(gc_op op, cell requested_size);
371 void primitive_minor_gc();
372 void primitive_full_gc();
373 void primitive_compact_gc();
374 void primitive_enable_gc_events();
375 void primitive_disable_gc_events();
376 object* allot_object(cell type, cell size);
377 object* allot_large_object(cell type, cell size);
379 /* Allocates memory */
380 template <typename Type> Type* allot(cell size) {
381 return (Type*)allot_object(Type::type_number, size);
385 template <typename Array> Array* allot_uninitialized_array(cell capacity);
386 template <typename Array>
387 bool reallot_array_in_place_p(Array* array, cell capacity);
388 template <typename Array> Array* reallot_array(Array* array_, cell capacity);
391 void print_chars(ostream& out, string* str);
392 void print_word(ostream& out, word* word, cell nesting);
393 void print_factor_string(ostream& out, string* str);
394 void print_array(ostream& out, array* array, cell nesting);
395 void print_byte_array(ostream& out, byte_array* array, cell nesting);
396 void print_tuple(ostream& out, tuple* tuple, cell nesting);
397 void print_alien(ostream& out, alien* alien, cell nesting);
398 void print_nested_obj(ostream& out, cell obj, fixnum nesting);
399 void print_obj(ostream& out, cell obj);
400 void print_objects(ostream& out, cell* start, cell* end);
401 void print_datastack(ostream& out);
402 void print_retainstack(ostream& out);
403 void print_callstack(ostream& out);
404 void print_callstack_object(ostream& out, callstack* obj);
405 void dump_cell(ostream& out, cell x);
406 void dump_memory(ostream& out, cell from, cell to);
407 template <typename Generation>
408 void dump_generation(ostream& out, const char* name, Generation* gen);
409 void dump_generations(ostream& out);
410 void dump_objects(ostream& out, cell type);
411 void dump_edges(ostream& out);
412 void find_data_references(ostream& out, cell look_for_);
413 void dump_code_heap(ostream& out);
414 void factorbug_usage(bool advanced_p);
416 void primitive_die();
419 inline void set_array_nth(array* array, cell slot, cell value);
420 array* allot_array(cell capacity, cell fill_);
421 void primitive_array();
422 cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
423 void primitive_resize_array();
424 cell std_vector_to_array(std::vector<cell>& elements);
427 string* allot_string_internal(cell capacity);
428 void fill_string(string* str_, cell start, cell capacity, cell fill);
429 string* allot_string(cell capacity, cell fill);
430 void primitive_string();
431 bool reallot_string_in_place_p(string* str, cell capacity);
432 string* reallot_string(string* str_, cell capacity);
433 void primitive_resize_string();
434 void primitive_set_string_nth_fast();
437 cell tag_boolean(cell untagged) {
438 return (untagged ? true_object : false_object);
442 byte_array* allot_byte_array(cell size);
443 void primitive_byte_array();
444 void primitive_uninitialized_byte_array();
445 void primitive_resize_byte_array();
447 template <typename Type> byte_array* byte_array_from_value(Type* value);
450 void primitive_tuple();
451 void primitive_tuple_boa();
454 word* allot_word(cell name_, cell vocab_, cell hashcode_);
455 void primitive_word();
456 void primitive_word_code();
457 void primitive_word_optimized_p();
458 void primitive_wrapper();
459 void jit_compile_word(cell word_, cell def_, bool relocating);
460 cell find_all_words();
461 void compile_all_words();
464 void primitive_bignum_to_fixnum();
465 void primitive_bignum_to_fixnum_strict();
466 void primitive_float_to_fixnum();
467 void primitive_fixnum_divint();
468 void primitive_fixnum_divmod();
469 bignum* fixnum_to_bignum(fixnum);
470 bignum* cell_to_bignum(cell);
471 bignum* long_long_to_bignum(int64_t n);
472 bignum* ulong_long_to_bignum(uint64_t n);
473 inline fixnum sign_mask(fixnum x);
474 inline fixnum branchless_max(fixnum x, fixnum y);
475 inline fixnum branchless_abs(fixnum x);
476 void primitive_fixnum_shift();
477 void primitive_fixnum_to_bignum();
478 void primitive_float_to_bignum();
479 void primitive_bignum_eq();
480 void primitive_bignum_add();
481 void primitive_bignum_subtract();
482 void primitive_bignum_multiply();
483 void primitive_bignum_divint();
484 void primitive_bignum_divmod();
485 void primitive_bignum_mod();
486 void primitive_bignum_gcd();
487 void primitive_bignum_and();
488 void primitive_bignum_or();
489 void primitive_bignum_xor();
490 void primitive_bignum_shift();
491 void primitive_bignum_less();
492 void primitive_bignum_lesseq();
493 void primitive_bignum_greater();
494 void primitive_bignum_greatereq();
495 void primitive_bignum_not();
496 void primitive_bignum_bitp();
497 void primitive_bignum_log2();
498 inline cell unbox_array_size();
499 void primitive_fixnum_to_float();
500 void primitive_format_float();
501 void primitive_float_eq();
502 void primitive_float_add();
503 void primitive_float_subtract();
504 void primitive_float_multiply();
505 void primitive_float_divfloat();
506 void primitive_float_less();
507 void primitive_float_lesseq();
508 void primitive_float_greater();
509 void primitive_float_greatereq();
510 void primitive_float_bits();
511 void primitive_bits_float();
512 void primitive_double_bits();
513 void primitive_bits_double();
514 fixnum to_fixnum(cell tagged);
515 fixnum to_fixnum_strict(cell tagged);
516 cell to_cell(cell tagged);
517 cell from_signed_8(int64_t n);
518 int64_t to_signed_8(cell obj);
519 cell from_unsigned_8(uint64_t n);
520 uint64_t to_unsigned_8(cell obj);
521 float to_float(cell value);
522 double to_double(cell value);
523 inline void overflow_fixnum_add(fixnum x, fixnum y);
524 inline void overflow_fixnum_subtract(fixnum x, fixnum y);
525 inline void overflow_fixnum_multiply(fixnum x, fixnum y);
526 inline cell from_signed_cell(fixnum x);
527 inline cell from_unsigned_cell(cell x);
528 inline cell allot_float(double n);
529 inline bignum* float_to_bignum(cell tagged);
530 inline double untag_float(cell tagged);
531 inline double untag_float_check(cell tagged);
532 inline fixnum float_to_fixnum(cell tagged);
533 inline double fixnum_to_float(cell tagged);
536 template <typename Type> Type* untag_check(cell value);
540 void io_error_if_not_EINTR();
541 FILE* safe_fopen(char* filename, char* mode);
542 int safe_fgetc(FILE* stream);
543 size_t safe_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
544 void safe_fputc(int c, FILE* stream);
545 size_t safe_fwrite(void* ptr, size_t size, size_t nitems, FILE* stream);
546 int safe_ftell(FILE* stream);
547 void safe_fseek(FILE* stream, off_t offset, int whence);
548 void safe_fflush(FILE* stream);
549 void safe_fclose(FILE* stream);
550 void primitive_fopen();
551 FILE* pop_file_handle();
552 FILE* peek_file_handle();
553 void primitive_fgetc();
554 void primitive_fread();
555 void primitive_fputc();
556 void primitive_fwrite();
557 void primitive_ftell();
558 void primitive_fseek();
559 void primitive_fflush();
560 void primitive_fclose();
563 cell compute_entry_point_address(cell obj);
564 cell compute_entry_point_pic_address(word* w, cell tagged_quot);
565 cell compute_entry_point_pic_address(cell w_);
566 cell compute_entry_point_pic_tail_address(cell w_);
567 cell compute_external_address(instruction_operand op);
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 cell lookup_external_address(relocation_type rel_type,
578 code_block* compiled,
581 cell compute_here_address(cell arg, cell offset, code_block* compiled);
582 void initialize_code_block(code_block* compiled, cell literals);
583 void initialize_code_block(code_block* compiled);
584 void fixup_labels(array* labels, code_block* compiled);
585 code_block* allot_code_block(cell size, code_block_type type);
586 code_block* add_code_block(code_block_type type, cell code_, cell labels_,
587 cell owner_, cell relocation_, cell parameters_,
588 cell literals_, cell frame_size_untagged);
591 template <typename Iterator> void each_code_block(Iterator& iter) {
592 code->allocator->iterate(iter);
595 void update_code_heap_words(bool reset_inline_caches);
596 void initialize_code_blocks();
597 void primitive_modify_code_heap();
598 void primitive_code_room();
599 void primitive_strip_stack_traces();
601 void primitive_code_blocks();
604 void init_callbacks(cell size);
605 void primitive_free_callback();
606 void primitive_callback();
607 void primitive_callback_room();
610 void init_objects(image_header* h);
611 void load_data_heap(FILE* file, image_header* h, vm_parameters* p);
612 void load_code_heap(FILE* file, image_header* h, vm_parameters* p);
613 bool save_image(const vm_char* saving_filename, const vm_char* filename);
614 void primitive_save_image();
615 void fixup_data(cell data_offset, cell code_offset);
616 void fixup_code(cell data_offset, cell code_offset);
617 FILE* open_image(vm_parameters* p);
618 void load_image(vm_parameters* p);
619 bool read_embedded_image_footer(FILE* file, embedded_image_footer* footer);
620 bool embedded_image_p();
622 template <typename Iterator, typename Fixup>
623 void iterate_callstack_object(callstack* stack_, Iterator& iterator,
625 template <typename Iterator>
626 void iterate_callstack_object(callstack* stack_, Iterator& iterator);
628 callstack* allot_callstack(cell size);
629 cell second_from_top_stack_frame(context* ctx);
630 cell capture_callstack(context* ctx);
631 void primitive_callstack();
632 void primitive_callstack_for();
633 cell frame_predecessor(cell frame_top);
634 void primitive_callstack_to_array();
635 void primitive_innermost_stack_frame_executing();
636 void primitive_innermost_stack_frame_scan();
637 void primitive_set_innermost_stack_frame_quotation();
638 void primitive_callstack_bounds();
640 template <typename Iterator, typename Fixup>
641 void iterate_callstack(context* ctx, Iterator& iterator, Fixup& fixup);
642 template <typename Iterator>
643 void iterate_callstack(context* ctx, Iterator& iterator);
646 void dispatch_signal_handler(cell* sp, cell* pc, cell newpc);
649 char* pinned_alien_offset(cell obj);
650 cell allot_alien(cell delegate_, cell displacement);
651 cell allot_alien(void* address);
652 void primitive_displaced_alien();
653 void primitive_alien_address();
654 void* alien_pointer();
655 void primitive_dlopen();
656 void primitive_dlsym();
657 void primitive_dlsym_raw();
658 void primitive_dlclose();
659 void primitive_dll_validp();
660 char* alien_offset(cell obj);
663 void primitive_jit_compile();
664 cell lazy_jit_compile_entry_point();
665 void primitive_array_to_quotation();
666 void primitive_quotation_code();
667 code_block* jit_compile_quotation(cell owner_, cell quot_, bool relocating);
668 void jit_compile_quotation(cell quot_, bool relocating);
669 fixnum quot_code_offset_to_scan(cell quot_, cell offset);
670 cell lazy_jit_compile(cell quot);
671 bool quotation_compiled_p(quotation* quot);
672 void primitive_quotation_compiled_p();
673 void initialize_all_quotations();
676 cell search_lookup_alist(cell table, cell klass);
677 cell search_lookup_hash(cell table, cell klass, cell hashcode);
678 cell nth_superclass(tuple_layout* layout, fixnum echelon);
679 cell nth_hashcode(tuple_layout* layout, fixnum echelon);
680 cell lookup_tuple_method(cell obj, cell methods);
681 cell lookup_method(cell obj, cell methods);
682 void primitive_lookup_method();
683 cell object_class(cell obj);
684 cell method_cache_hashcode(cell klass, array* array);
685 void update_method_cache(cell cache, cell klass, cell method);
686 void primitive_mega_cache_miss();
687 void primitive_reset_dispatch_stats();
688 void primitive_dispatch_stats();
691 void init_inline_caching(int max_size);
692 void deallocate_inline_cache(cell return_address);
693 cell determine_inline_cache_type(array* cache_entries);
694 void update_pic_count(cell type);
695 code_block* compile_inline_cache(fixnum index, cell generic_word_,
696 cell methods_, cell cache_entries_,
698 cell inline_cache_size(cell cache_entries);
699 cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
700 void update_pic_transitions(cell pic_size);
701 cell inline_cache_miss(cell return_address);
704 void c_to_factor(cell quot);
705 void unwind_native_frames(cell quot, cell to);
706 cell get_fpu_state();
707 void set_fpu_state(cell state);
710 void default_parameters(vm_parameters* p);
711 bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
712 void init_parameters_from_args(vm_parameters* p, int argc, vm_char** argv);
713 void prepare_boot_image();
714 void init_factor(vm_parameters* p);
715 void pass_args_to_factor(int argc, vm_char** argv);
716 void start_factor(vm_parameters* p);
718 void start_embedded_factor(vm_parameters* p);
719 void start_standalone_factor(int argc, vm_char** argv);
720 char* factor_eval_string(char* string);
721 void factor_eval_free(char* result);
723 void factor_sleep(long us);
726 void primitive_existsp();
727 void move_file(const vm_char* path1, const vm_char* path2);
729 void ffi_dlopen(dll* dll);
730 void* ffi_dlsym(dll* dll, symbol_char* symbol);
731 void* ffi_dlsym_raw(dll* dll, symbol_char* symbol);
733 void* ffi_dlsym_toc(dll* dll, symbol_char* symbol);
735 void ffi_dlclose(dll* dll);
736 void c_to_factor_toplevel(cell quot);
738 void start_sampling_profiler_timer();
739 void end_sampling_profiler_timer();
740 static void open_console();
741 static void close_console();
742 static void lock_console();
743 static void unlock_console();
744 static void ignore_ctrl_c();
745 static void handle_ctrl_c();
749 HANDLE sampler_thread;
750 void sampler_thread_loop();
752 const vm_char* vm_executable_path();
753 const vm_char* default_image_path();
754 void windows_image_path(vm_char* full_path, vm_char* temp_path,
755 unsigned int length);
756 BOOL windows_stat(vm_char* path);
758 LONG exception_handler(PEXCEPTION_RECORD e, void* frame, PCONTEXT c,
762 void dispatch_signal(void* uap, void(handler)());
763 void unix_init_signals();
767 void call_fault_handler(exception_type_t exception,
768 exception_data_type_t code,
769 MACH_EXC_STATE_TYPE* exc_state,
770 MACH_THREAD_STATE_TYPE* thread_state,
771 MACH_FLOAT_STATE_TYPE* float_state);
774 factor_vm(THREADHANDLE thread_id);