namespace factor { struct growable_array; struct code_root; struct factor_vm { // // vvvvvv // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. See: // basis/vm/vm.factor // basis/compiler/constants/constants.factor /* Current context */ context *ctx; /* Spare context -- for callbacks */ context *spare_ctx; /* New objects are allocated here */ nursery_space nursery; /* Add this to a shifted address to compute write barrier offsets */ cell cards_offset; cell decks_offset; /* cdecl signal handler address, used by signal handler subprimitives */ cell signal_handler_addr; /* are we handling a memory error? used to detect double faults */ cell faulting_p; /* Various special objects, accessed by special-object and set-special-object primitives */ cell special_objects[special_object_count]; // THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. // ^^^^^^ // /* Handle to the main thread we run in */ THREADHANDLE thread; /* Data stack and retain stack sizes */ cell datastack_size, retainstack_size, callstack_size; /* Stack of callback IDs */ std::vector callback_ids; /* Next callback ID */ int callback_id; /* List of callback function descriptors for PPC */ std::list function_descriptors; /* Pooling unused contexts to make context allocation cheaper */ std::list unused_contexts; /* Active contexts, for tracing by the GC */ std::set active_contexts; /* Canonical truth value. In Factor, 't' */ cell true_object; /* External entry points */ c_to_factor_func_type c_to_factor_func; /* Is profiling enabled? */ volatile cell sampling_profiler_p; fixnum samples_per_second; /* Global variables used to pass fault handler state from signal handler to VM */ bool signal_resumable; cell signal_number; cell signal_fault_addr; cell signal_fault_pc; unsigned int signal_fpu_status; /* Pipe used to notify Factor multiplexer of signals */ int signal_pipe_input, signal_pipe_output; /* State kept by the sampling profiler */ std::vector samples; std::vector sample_callstacks; /* GC is off during heap walking */ bool gc_off; /* Data heap */ data_heap *data; /* Code heap */ code_heap *code; /* Pinned callback stubs */ callback_heap *callbacks; /* Only set if we're performing a GC */ gc_state *current_gc; volatile cell current_gc_p; /* Set if we're in the jit */ volatile fixnum current_jit_count; /* Mark stack */ std::vector mark_stack; /* If not NULL, we push GC events here */ std::vector *gc_events; /* If a runtime function needs to call another function which potentially allocates memory, it must wrap any references to the data and code heaps with data_root and code_root smart pointers, which register themselves here. See data_roots.hpp and code_roots.hpp */ std::vector data_roots; std::vector bignum_roots; std::vector code_roots; /* Debugger */ bool fep_p; bool fep_help_was_shown; bool fep_disabled; bool full_output; /* Canonical bignums */ cell bignum_zero; cell bignum_pos_one; cell bignum_neg_one; /* Method dispatch statistics */ dispatch_statistics dispatch_stats; /* Number of entries in a polymorphic inline cache */ cell max_pic_size; /* Incrementing object counter for identity hashing */ cell object_counter; /* Sanity check to ensure that monotonic counter doesn't decrease */ u64 last_nano_count; /* Stack for signal handlers, only used on Unix */ segment *signal_callstack_seg; /* Are we already handling a fault? Used to catch double memory faults */ static bool fatal_erroring_p; /* Safepoint state */ volatile safepoint_state safepoint; // contexts context *new_context(); void init_context(context *ctx); void delete_context(context *old_context); void init_contexts(cell datastack_size_, cell retainstack_size_, cell callstack_size_); void delete_contexts(); cell begin_callback(cell quot); void end_callback(); void primitive_current_callback(); void primitive_context_object(); void primitive_context_object_for(); void primitive_set_context_object(); cell stack_to_array(cell bottom, cell top); cell datastack_to_array(context *ctx); void primitive_datastack(); void primitive_datastack_for(); cell retainstack_to_array(context *ctx); void primitive_retainstack(); void primitive_retainstack_for(); cell array_to_stack(array *array, cell bottom); void set_datastack(context *ctx, array *array); void primitive_set_datastack(); void set_retainstack(context *ctx, array *array); void primitive_set_retainstack(); void primitive_check_datastack(); void primitive_load_locals(); template void iterate_active_callstacks(Iterator &iter) { std::set::const_iterator begin = active_contexts.begin(); std::set::const_iterator end = active_contexts.end(); while(begin != end) { iterate_callstack(*begin++,iter); } } // run void primitive_exit(); void primitive_nano_count(); void primitive_sleep(); void primitive_set_slot(); // objects void primitive_special_object(); void primitive_set_special_object(); void primitive_identity_hashcode(); void compute_identity_hashcode(object *obj); void primitive_compute_identity_hashcode(); cell object_size(cell tagged); cell clone_object(cell obj_); void primitive_clone(); void primitive_become(); // sampling_profiler void clear_samples(); void record_sample(bool prolog_p); void record_callstack_sample(cell *begin, cell *end, bool prolog_p); void start_sampling_profiler(fixnum rate); void end_sampling_profiler(); void set_sampling_profiler(fixnum rate); void primitive_sampling_profiler(); void primitive_get_samples(); void primitive_clear_samples(); // errors void general_error(vm_error_type error, cell arg1, cell arg2); void type_error(cell type, cell tagged); void not_implemented_error(); void verify_memory_protection_error(cell addr); void memory_protection_error(cell pc, cell addr); void signal_error(cell signal); void divide_by_zero_error(); void fp_trap_error(unsigned int fpu_status); void primitive_unimplemented(); void memory_signal_handler_impl(); void synchronous_signal_handler_impl(); void fp_signal_handler_impl(); // bignum int bignum_equal_p(bignum * x, bignum * y); enum bignum_comparison bignum_compare(bignum * x, bignum * y); bignum *bignum_add(bignum * x, bignum * y); bignum *bignum_subtract(bignum * x, bignum * y); bignum *bignum_multiply(bignum * x, bignum * y); void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder); bignum *bignum_quotient(bignum * numerator, bignum * denominator); bignum *bignum_remainder(bignum * numerator, bignum * denominator); cell bignum_to_cell(bignum * bignum); fixnum bignum_to_fixnum(bignum * bignum); s64 bignum_to_long_long(bignum * bignum); u64 bignum_to_ulong_long(bignum * bignum); bignum *double_to_bignum(double x); int bignum_equal_p_unsigned(bignum * x, bignum * y); enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y); bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p); bignum *bignum_subtract_unsigned(bignum * x, bignum * y); bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p); bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p); void bignum_destructive_add(bignum * bignum, bignum_digit_type n); void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor); void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p); void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q); bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end, bignum_digit_type guess, bignum_digit_type * u_start); void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator, bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p); void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left); void bignum_destructive_unnormalization(bignum * bignum, int shift_right); bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v, bignum_digit_type * q) /* return value */; bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2, bignum_digit_type guess, bignum_digit_type * u); void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator, bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p); bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator); bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p); bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p); bignum *allot_bignum(bignum_length_type length, int negative_p); bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p); bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length); bignum *bignum_trim(bignum * bignum); bignum *bignum_new_sign(bignum * x, int negative_p); bignum *bignum_maybe_new_sign(bignum * x, int negative_p); void bignum_destructive_copy(bignum * source, bignum * target); bignum *bignum_bitwise_not(bignum * x); bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n); bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2); bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2); bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2); bignum *bignum_magnitude_ash(bignum * arg1, fixnum n); bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2); bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2); bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2); void bignum_negate_magnitude(bignum * arg); bignum *bignum_integer_length(bignum * x); int bignum_logbitp(int shift, bignum * arg); int bignum_unsigned_logbitp(int shift, bignum * bignum); //data heap void init_card_decks(); void set_data_heap(data_heap *data_); void init_data_heap(cell young_size, cell aging_size, cell tenured_size); void primitive_size(); data_heap_room data_room(); void primitive_data_room(); void begin_scan(); void end_scan(); cell instances(cell type); void primitive_all_instances(); template inline void each_object(Generation *gen, Iterator &iterator) { cell obj = gen->first_object(); while(obj) { iterator((object *)obj); obj = gen->next_object_after(obj); } } template inline void each_object(Iterator &iterator) { gc_off = true; each_object(data->tenured,iterator); each_object(data->aging,iterator); each_object(data->nursery,iterator); gc_off = false; } /* the write barrier must be called any time we are potentially storing a pointer from an older generation to a younger one */ inline void write_barrier(cell *slot_ptr) { *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask; *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask; } inline void write_barrier(object *obj, cell size) { cell start = (cell)obj & (~card_size + 1); cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1); for(cell offset = start; offset < end; offset += card_size) write_barrier((cell *)offset); } // data heap checker void check_data_heap(); // gc void end_gc(); void set_current_gc_op(gc_op op); void start_gc_again(); void update_code_heap_for_minor_gc(std::set *remembered_set); void collect_nursery(); void collect_aging(); void collect_to_tenured(); void update_code_roots_for_sweep(); void update_code_roots_for_compaction(); void collect_mark_impl(bool trace_contexts_p); void collect_sweep_impl(); void collect_full(bool trace_contexts_p); void collect_compact_impl(bool trace_contexts_p); void collect_compact_code_impl(bool trace_contexts_p); void collect_compact(bool trace_contexts_p); void collect_growing_heap(cell requested_size, bool trace_contexts_p); void gc(gc_op op, cell requested_size, bool trace_contexts_p); void scrub_context(context *ctx); void scrub_contexts(); void primitive_minor_gc(); void primitive_full_gc(); void primitive_compact_gc(); void primitive_enable_gc_events(); void primitive_disable_gc_events(); object *allot_object(cell type, cell size); object *allot_large_object(cell type, cell size); template Type *allot(cell size) { return (Type *)allot_object(Type::type_number,size); } inline void check_data_pointer(object *pointer) { #ifdef FACTOR_DEBUG if(!(current_gc && current_gc->op == collect_growing_heap_op)) FACTOR_ASSERT(data->seg->in_segment_p((cell)pointer)); #endif } // generic arrays template Array *allot_uninitialized_array(cell capacity); template bool reallot_array_in_place_p(Array *array, cell capacity); template Array *reallot_array(Array *array_, cell capacity); // debug void print_chars(string* str); void print_word(word* word, cell nesting); void print_factor_string(string* str); void print_array(array* array, cell nesting); void print_byte_array(byte_array *array, cell nesting); void print_tuple(tuple *tuple, cell nesting); void print_alien(alien *alien, cell nesting); void print_nested_obj(cell obj, fixnum nesting); void print_obj(cell obj); void print_objects(cell *start, cell *end); void print_datastack(); void print_retainstack(); void print_callstack(); void dump_cell(cell x); void dump_memory(cell from, cell to); template void dump_generation(const char *name, Generation *gen); void dump_generations(); void dump_objects(cell type); void dump_edges(); void find_data_references(cell look_for_); void dump_code_heap(); void factorbug_usage(bool advanced_p); void factorbug(); void primitive_die(); // arrays inline void set_array_nth(array *array, cell slot, cell value); array *allot_array(cell capacity, cell fill_); void primitive_array(); cell allot_array_1(cell obj_); cell allot_array_2(cell v1_, cell v2_); cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_); void primitive_resize_array(); cell std_vector_to_array(std::vector &elements); // strings string *allot_string_internal(cell capacity); void fill_string(string *str_, cell start, cell capacity, cell fill); string *allot_string(cell capacity, cell fill); void primitive_string(); bool reallot_string_in_place_p(string *str, cell capacity); string* reallot_string(string *str_, cell capacity); void primitive_resize_string(); void primitive_set_string_nth_fast(); // booleans cell tag_boolean(cell untagged) { return (untagged ? true_object : false_object); } // byte arrays byte_array *allot_byte_array(cell size); void primitive_byte_array(); void primitive_uninitialized_byte_array(); void primitive_resize_byte_array(); template byte_array *byte_array_from_value(Type *value); // tuples void primitive_tuple(); void primitive_tuple_boa(); // words word *allot_word(cell name_, cell vocab_, cell hashcode_); void primitive_word(); void primitive_word_code(); void primitive_optimized_p(); void primitive_wrapper(); void jit_compile_word(cell word_, cell def_, bool relocating); cell find_all_words(); void compile_all_words(); // math void primitive_bignum_to_fixnum(); void primitive_float_to_fixnum(); void primitive_fixnum_divint(); void primitive_fixnum_divmod(); bignum *fixnum_to_bignum(fixnum); bignum *cell_to_bignum(cell); bignum *long_long_to_bignum(s64 n); bignum *ulong_long_to_bignum(u64 n); inline fixnum sign_mask(fixnum x); inline fixnum branchless_max(fixnum x, fixnum y); inline fixnum branchless_abs(fixnum x); void primitive_fixnum_shift(); void primitive_fixnum_to_bignum(); void primitive_float_to_bignum(); void primitive_bignum_eq(); void primitive_bignum_add(); void primitive_bignum_subtract(); void primitive_bignum_multiply(); void primitive_bignum_divint(); void primitive_bignum_divmod(); void primitive_bignum_mod(); void primitive_bignum_and(); void primitive_bignum_or(); void primitive_bignum_xor(); void primitive_bignum_shift(); void primitive_bignum_less(); void primitive_bignum_lesseq(); void primitive_bignum_greater(); void primitive_bignum_greatereq(); void primitive_bignum_not(); void primitive_bignum_bitp(); void primitive_bignum_log2(); inline cell unbox_array_size(); cell unbox_array_size_slow(); void primitive_fixnum_to_float(); void primitive_format_float(); void primitive_float_eq(); void primitive_float_add(); void primitive_float_subtract(); void primitive_float_multiply(); void primitive_float_divfloat(); void primitive_float_less(); void primitive_float_lesseq(); void primitive_float_greater(); void primitive_float_greatereq(); void primitive_float_bits(); void primitive_bits_float(); void primitive_double_bits(); void primitive_bits_double(); fixnum to_fixnum(cell tagged); cell to_cell(cell tagged); cell from_signed_8(s64 n); s64 to_signed_8(cell obj); cell from_unsigned_8(u64 n); u64 to_unsigned_8(cell obj); float to_float(cell value); double to_double(cell value); inline void overflow_fixnum_add(fixnum x, fixnum y); inline void overflow_fixnum_subtract(fixnum x, fixnum y); inline void overflow_fixnum_multiply(fixnum x, fixnum y); inline cell from_signed_cell(fixnum x); inline cell from_unsigned_cell(cell x); inline cell allot_float(double n); inline bignum *float_to_bignum(cell tagged); inline double untag_float(cell tagged); inline double untag_float_check(cell tagged); inline fixnum float_to_fixnum(cell tagged); inline double fixnum_to_float(cell tagged); // tagged template Type *untag_check(cell value); // io void init_c_io(); void io_error(); FILE* safe_fopen(char *filename, char *mode); int safe_fgetc(FILE *stream); size_t safe_fread(void *ptr, size_t size, size_t nitems, FILE *stream); void safe_fputc(int c, FILE* stream); size_t safe_fwrite(void *ptr, size_t size, size_t nitems, FILE *stream); int safe_ftell(FILE *stream); void safe_fseek(FILE *stream, off_t offset, int whence); void safe_fflush(FILE *stream); void safe_fclose(FILE *stream); void primitive_fopen(); FILE *pop_file_handle(); void primitive_fgetc(); void primitive_fread(); void primitive_fputc(); void primitive_fwrite(); void primitive_ftell(); void primitive_fseek(); void primitive_fflush(); void primitive_fclose(); // code_block cell compute_entry_point_address(cell obj); cell compute_entry_point_pic_address(word *w, cell tagged_quot); cell compute_entry_point_pic_address(cell w_); cell compute_entry_point_pic_tail_address(cell w_); cell code_block_owner(code_block *compiled); void update_word_references(code_block *compiled, bool reset_inline_caches); void undefined_symbol(); cell compute_dlsym_address(array *literals, cell index); #ifdef FACTOR_PPC cell compute_dlsym_toc_address(array *literals, cell index); #endif cell compute_vm_address(cell arg); void store_external_address(instruction_operand op); cell compute_here_address(cell arg, cell offset, code_block *compiled); void initialize_code_block(code_block *compiled, cell literals); void initialize_code_block(code_block *compiled); void fixup_labels(array *labels, code_block *compiled); code_block *allot_code_block(cell size, code_block_type type); code_block *add_code_block(code_block_type type, cell code_, cell labels_, cell owner_, cell relocation_, cell parameters_, cell literals_, cell frame_size_untagged); //code heap inline void check_code_pointer(cell ptr) { } template void each_code_block(Iterator &iter) { code->allocator->iterate(iter); } void init_code_heap(cell size); void update_code_heap_words(bool reset_inline_caches); void initialize_code_blocks(); void primitive_modify_code_heap(); code_heap_room code_room(); void primitive_code_room(); void primitive_strip_stack_traces(); cell code_blocks(); void primitive_code_blocks(); // callbacks void init_callbacks(cell size); void primitive_callback(); // image void init_objects(image_header *h); void load_data_heap(FILE *file, image_header *h, vm_parameters *p); void load_code_heap(FILE *file, image_header *h, vm_parameters *p); bool save_image(const vm_char *saving_filename, const vm_char *filename); void primitive_save_image(); void primitive_save_image_and_exit(); void fixup_data(cell data_offset, cell code_offset); void fixup_code(cell data_offset, cell code_offset); FILE *open_image(vm_parameters *p); void load_image(vm_parameters *p); bool read_embedded_image_footer(FILE *file, embedded_image_footer *footer); bool embedded_image_p(); // callstack template void iterate_callstack_object(callstack *stack_, Iterator &iterator); template void iterate_callstack_object_reversed(callstack *stack_, Iterator &iterator, Fixup &fixup); void check_frame(stack_frame *frame); callstack *allot_callstack(cell size); stack_frame *second_from_top_stack_frame(context *ctx); cell capture_callstack(context *ctx); void primitive_callstack(); void primitive_callstack_for(); code_block *frame_code(stack_frame *frame); code_block_type frame_type(stack_frame *frame); cell frame_executing(stack_frame *frame); cell frame_executing_quot(stack_frame *frame); stack_frame *frame_successor(stack_frame *frame); cell frame_scan(stack_frame *frame); cell frame_offset(stack_frame *frame); void set_frame_offset(stack_frame *frame, cell offset); void primitive_callstack_to_array(); stack_frame *innermost_stack_frame(stack_frame *bottom, stack_frame *top); void primitive_innermost_stack_frame_executing(); void primitive_innermost_stack_frame_scan(); void primitive_set_innermost_stack_frame_quot(); void primitive_callstack_bounds(); template void iterate_callstack_reversed(context *ctx, Iterator &iterator); template void iterate_callstack(context *ctx, Iterator &iterator); // cpu-* void dispatch_signal_handler(cell *sp, cell *pc, cell newpc); // alien char *pinned_alien_offset(cell obj); cell allot_alien(cell delegate_, cell displacement); cell allot_alien(void *address); void primitive_displaced_alien(); void primitive_alien_address(); void *alien_pointer(); void primitive_dlopen(); void primitive_dlsym(); void primitive_dlsym_raw(); void primitive_dlclose(); void primitive_dll_validp(); char *alien_offset(cell obj); // quotations void primitive_jit_compile(); void *lazy_jit_compile_entry_point(); void primitive_array_to_quotation(); void primitive_quotation_code(); code_block *jit_compile_quot(cell owner_, cell quot_, bool relocating); void jit_compile_quot(cell quot_, bool relocating); fixnum quot_code_offset_to_scan(cell quot_, cell offset); cell lazy_jit_compile(cell quot); bool quot_compiled_p(quotation *quot); void primitive_quot_compiled_p(); cell find_all_quotations(); void initialize_all_quotations(); // dispatch cell search_lookup_alist(cell table, cell klass); cell search_lookup_hash(cell table, cell klass, cell hashcode); cell nth_superclass(tuple_layout *layout, fixnum echelon); cell nth_hashcode(tuple_layout *layout, fixnum echelon); cell lookup_tuple_method(cell obj, cell methods); cell lookup_method(cell obj, cell methods); void primitive_lookup_method(); cell object_class(cell obj); cell method_cache_hashcode(cell klass, array *array); void update_method_cache(cell cache, cell klass, cell method); void primitive_mega_cache_miss(); void primitive_reset_dispatch_stats(); void primitive_dispatch_stats(); // inline cache void init_inline_caching(int max_size); void deallocate_inline_cache(cell return_address); cell determine_inline_cache_type(array *cache_entries); void update_pic_count(cell type); code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p); void *megamorphic_call_stub(cell generic_word); cell inline_cache_size(cell cache_entries); cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_); void update_pic_transitions(cell pic_size); void *inline_cache_miss(cell return_address); // entry points void c_to_factor(cell quot); template Func get_entry_point(cell n); void unwind_native_frames(cell quot, stack_frame *to); cell get_fpu_state(); void set_fpu_state(cell state); // factor void default_parameters(vm_parameters *p); bool factor_arg(const vm_char *str, const vm_char *arg, cell *value); void init_parameters_from_args(vm_parameters *p, int argc, vm_char **argv); void prepare_boot_image(); void init_factor(vm_parameters *p); void pass_args_to_factor(int argc, vm_char **argv); void start_factor(vm_parameters *p); void stop_factor(); void start_embedded_factor(vm_parameters *p); void start_standalone_factor(int argc, vm_char **argv); char *factor_eval_string(char *string); void factor_eval_free(char *result); void factor_yield(); void factor_sleep(long us); // os-* void primitive_existsp(); void move_file(const vm_char *path1, const vm_char *path2); void init_ffi(); void ffi_dlopen(dll *dll); void *ffi_dlsym(dll *dll, symbol_char *symbol); void *ffi_dlsym_raw(dll *dll, symbol_char *symbol); #ifdef FACTOR_PPC void *ffi_dlsym_toc(dll *dll, symbol_char *symbol); #endif void ffi_dlclose(dll *dll); void c_to_factor_toplevel(cell quot); void init_signals(); void start_sampling_profiler_timer(); void end_sampling_profiler_timer(); static void open_console(); static void close_console(); static void lock_console(); static void unlock_console(); static void ignore_ctrl_c(); static void handle_ctrl_c(); // os-windows #if defined(WINDOWS) HANDLE sampler_thread; void sampler_thread_loop(); const vm_char *vm_executable_path(); const vm_char *default_image_path(); void windows_image_path(vm_char *full_path, vm_char *temp_path, unsigned int length); BOOL windows_stat(vm_char *path); LONG exception_handler(PEXCEPTION_RECORD e, void *frame, PCONTEXT c, void *dispatch); #else // UNIX void dispatch_signal(void *uap, void (handler)()); void unix_init_signals(); #endif #ifdef __APPLE__ 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); #endif factor_vm(THREADHANDLE thread_id); ~factor_vm(); }; }