629 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
			
		
		
	
	
			629 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C++
		
	
	
#include "vm-data.hpp"
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namespace factor
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{
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struct factor_vm : factor_vm_data {
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	// contexts
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	void reset_datastack();
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	void reset_retainstack();
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	void fix_stacks();
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	void save_stacks();
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	context *alloc_context();
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	void dealloc_context(context *old_context);
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	void nest_stacks();
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	void unnest_stacks();
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	void init_stacks(cell ds_size_, cell rs_size_);
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	bool stack_to_array(cell bottom, cell top);
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	cell array_to_stack(array *array, cell bottom);
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	inline void primitive_datastack();
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	inline void primitive_retainstack();
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	inline void primitive_set_datastack();
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	inline void primitive_set_retainstack();
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	inline void primitive_check_datastack();
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	// run
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	inline void primitive_getenv();
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	inline void primitive_setenv();
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	inline void primitive_exit();
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	inline void primitive_micros();
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	inline void primitive_sleep();
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	inline void primitive_set_slot();
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	inline void primitive_load_locals();
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	cell clone_object(cell obj_);
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	inline void primitive_clone();
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	// profiler
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	void init_profiler();
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	code_block *compile_profiling_stub(cell word_);
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	void set_profiling(bool profiling);
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	inline void primitive_profiling();
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	// errors
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	void out_of_memory();
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	void critical_error(const char* msg, cell tagged);
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	void throw_error(cell error, stack_frame *callstack_top);
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	void not_implemented_error();
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	bool in_page(cell fault, cell area, cell area_size, int offset);
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	void memory_protection_error(cell addr, stack_frame *native_stack);
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	void signal_error(int signal, stack_frame *native_stack);
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	void divide_by_zero_error();
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	void fp_trap_error(unsigned int fpu_status, stack_frame *signal_callstack_top);
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	inline void primitive_call_clear();
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	inline void primitive_unimplemented();
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	void memory_signal_handler_impl();
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	void misc_signal_handler_impl();
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	void fp_signal_handler_impl();
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	void type_error(cell type, cell tagged);
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	void general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *native_stack);
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	//callstack
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	// bignum
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	int bignum_equal_p(bignum * x, bignum * y);
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	enum bignum_comparison bignum_compare(bignum * x, bignum * y);
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	bignum *bignum_add(bignum * x, bignum * y);
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	bignum *bignum_subtract(bignum * x, bignum * y);
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	bignum *bignum_multiply(bignum * x, bignum * y);
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	void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder);
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	bignum *bignum_quotient(bignum * numerator, bignum * denominator);
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	bignum *bignum_remainder(bignum * numerator, bignum * denominator);
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	cell bignum_to_cell(bignum * bignum);
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	fixnum bignum_to_fixnum(bignum * bignum);
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	s64 bignum_to_long_long(bignum * bignum);
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	u64 bignum_to_ulong_long(bignum * bignum);
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	double bignum_to_double(bignum * bignum);
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	bignum *double_to_bignum(double x);
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	int bignum_equal_p_unsigned(bignum * x, bignum * y);
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	enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y);
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	bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p);
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	bignum *bignum_subtract_unsigned(bignum * x, bignum * y);
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	bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p);
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	bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p);
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	void bignum_destructive_add(bignum * bignum, bignum_digit_type n);
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	void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor);
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	void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator, 
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												  bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p);
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	void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q);
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	bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end, 
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											 bignum_digit_type guess, bignum_digit_type * u_start);
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	void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator, 
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												   bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
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	void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left);
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	void bignum_destructive_unnormalization(bignum * bignum, int shift_right);
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	bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul, 
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										  bignum_digit_type v, bignum_digit_type * q) /* return value */;
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	bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2, 
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												   bignum_digit_type guess, bignum_digit_type * u);
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	void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator, 
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												  bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p);
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	bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator);
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	bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p);
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	bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p);
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	bignum *allot_bignum(bignum_length_type length, int negative_p);
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	bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p);
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	bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length);
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	bignum *bignum_trim(bignum * bignum);
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	bignum *bignum_new_sign(bignum * x, int negative_p);
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	bignum *bignum_maybe_new_sign(bignum * x, int negative_p);
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	void bignum_destructive_copy(bignum * source, bignum * target);
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	bignum *bignum_bitwise_not(bignum * x);
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	bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n);
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	bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2);
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	bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2);
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	bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2);
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	bignum *bignum_magnitude_ash(bignum * arg1, fixnum n);
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	bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2);
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	bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
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	bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2);
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	void bignum_negate_magnitude(bignum * arg);
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	bignum *bignum_integer_length(bignum * x);
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	int bignum_logbitp(int shift, bignum * arg);
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	int bignum_unsigned_logbitp(int shift, bignum * bignum);
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	bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p);
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	//data_heap
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	void init_card_decks();
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	data_heap *grow_data_heap(data_heap *data, cell requested_bytes);
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	void clear_cards(cell from, cell to);
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	void clear_decks(cell from, cell to);
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	void clear_allot_markers(cell from, cell to);
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	void reset_generation(cell i);
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	void reset_generations(cell from, cell to);
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	void set_data_heap(data_heap *data_);
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	void init_data_heap(cell gens,cell young_size,cell aging_size,cell tenured_size,bool secure_gc_);
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	cell untagged_object_size(object *pointer);
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	cell unaligned_object_size(object *pointer);
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	inline void primitive_size();
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	cell binary_payload_start(object *pointer);
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	inline void primitive_data_room();
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	void begin_scan();
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	void end_scan();
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	inline void primitive_begin_scan();
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	cell next_object();
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	inline void primitive_next_object();
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	inline void primitive_end_scan();
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	template<typename T> void each_object(T &functor);
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	cell find_all_words();
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	cell object_size(cell tagged);
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	//write barrier
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	inline card *addr_to_card(cell a);
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	inline cell card_to_addr(card *c);
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	inline cell card_offset(card *c);
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	inline card_deck *addr_to_deck(cell a);
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	inline cell deck_to_addr(card_deck *c);
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	inline card *deck_to_card(card_deck *d);
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	inline card *addr_to_allot_marker(object *a);
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	inline void write_barrier(object *obj);
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	inline void allot_barrier(object *address);
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	//data_gc
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	void init_data_gc();
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	object *copy_untagged_object_impl(object *pointer, cell size);
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	object *copy_object_impl(object *untagged);
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	bool should_copy_p(object *untagged);
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	object *resolve_forwarding(object *untagged);
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	template <typename T> T *copy_untagged_object(T *untagged);
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	cell copy_object(cell pointer);
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	void copy_handle(cell *handle);
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	void copy_card(card *ptr, cell gen, cell here);
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	void copy_card_deck(card_deck *deck, cell gen, card mask, card unmask);
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	void copy_gen_cards(cell gen);
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	void copy_cards();
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	void copy_stack_elements(segment *region, cell top);
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	void copy_registered_locals();
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	void copy_registered_bignums();
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	void copy_roots();
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	cell copy_next_from_nursery(cell scan);
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	cell copy_next_from_aging(cell scan);
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	cell copy_next_from_tenured(cell scan);
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	void copy_reachable_objects(cell scan, cell *end);
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	void begin_gc(cell requested_bytes);
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	void end_gc(cell gc_elapsed);
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	void garbage_collection(cell gen,bool growing_data_heap_,cell requested_bytes);
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	void gc();
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	inline void primitive_gc();
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	inline void primitive_gc_stats();
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	void clear_gc_stats();
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	inline void primitive_become();
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	void inline_gc(cell *gc_roots_base, cell gc_roots_size);
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	inline bool collecting_accumulation_gen_p();
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	inline object *allot_zone(zone *z, cell a);
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	inline object *allot_object(header header, cell size);
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	template <typename TYPE> TYPE *allot(cell size);
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	inline void check_data_pointer(object *pointer);
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	inline void check_tagged_pointer(cell tagged);
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	inline void primitive_clear_gc_stats();
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	// generic arrays
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	template <typename T> T *allot_array_internal(cell capacity);
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	template <typename T> bool reallot_array_in_place_p(T *array, cell capacity);
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	template <typename TYPE> TYPE *reallot_array(TYPE *array_, cell capacity);
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	//debug
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	void print_chars(string* str);
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	void print_word(word* word, cell nesting);
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	void print_factor_string(string* str);
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	void print_array(array* array, cell nesting);
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	void print_tuple(tuple *tuple, cell nesting);
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	void print_nested_obj(cell obj, fixnum nesting);
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	void print_obj(cell obj);
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	void print_objects(cell *start, cell *end);
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	void print_datastack();
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	void print_retainstack();
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	void print_stack_frame(stack_frame *frame);
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	void print_callstack();
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	void dump_cell(cell x);
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	void dump_memory(cell from, cell to);
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	void dump_zone(zone *z);
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	void dump_generations();
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	void dump_objects(cell type);
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	void find_data_references_step(cell *scan);
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	void find_data_references(cell look_for_);
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	void dump_code_heap();
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	void factorbug();
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	inline void primitive_die();
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	//arrays
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	array *allot_array(cell capacity, cell fill_);
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	inline void primitive_array();
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	cell allot_array_1(cell obj_);
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	cell allot_array_2(cell v1_, cell v2_);
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	cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
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	inline void primitive_resize_array();
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	inline void set_array_nth(array *array, cell slot, cell value);
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	//strings
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	cell string_nth(string* str, cell index);
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	void set_string_nth_fast(string *str, cell index, cell ch);
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	void set_string_nth_slow(string *str_, cell index, cell ch);
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	void set_string_nth(string *str, cell index, cell ch);
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	string *allot_string_internal(cell capacity);
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	void fill_string(string *str_, cell start, cell capacity, cell fill);
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	string *allot_string(cell capacity, cell fill);
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	inline void primitive_string();
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	bool reallot_string_in_place_p(string *str, cell capacity);
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	string* reallot_string(string *str_, cell capacity);
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	inline void primitive_resize_string();
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	inline void primitive_string_nth();
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	inline void primitive_set_string_nth_fast();
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	inline void primitive_set_string_nth_slow();
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	//booleans
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	void box_boolean(bool value);
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	bool to_boolean(cell value);
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	inline cell tag_boolean(cell untagged);
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	//byte arrays
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	byte_array *allot_byte_array(cell size);
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	inline void primitive_byte_array();
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	inline void primitive_uninitialized_byte_array();
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	inline void primitive_resize_byte_array();
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	//tuples
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	tuple *allot_tuple(cell layout_);
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	inline void primitive_tuple();
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	inline void primitive_tuple_boa();
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	//words
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	word *allot_word(cell name_, cell vocab_, cell hashcode_);
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	inline void primitive_word();
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	inline void primitive_word_xt();
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	void update_word_xt(cell w_);
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	inline void primitive_optimized_p();
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	inline void primitive_wrapper();
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	//math
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	inline void primitive_bignum_to_fixnum();
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	inline void primitive_float_to_fixnum();
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	inline void primitive_fixnum_divint();
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	inline void primitive_fixnum_divmod();
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	bignum *fixnum_to_bignum(fixnum);
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	bignum *cell_to_bignum(cell);
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	bignum *long_long_to_bignum(s64 n);
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	bignum *ulong_long_to_bignum(u64 n);
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	inline fixnum sign_mask(fixnum x);
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	inline fixnum branchless_max(fixnum x, fixnum y);
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	inline fixnum branchless_abs(fixnum x);
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	inline void primitive_fixnum_shift();
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	inline void primitive_fixnum_to_bignum();
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	inline void primitive_float_to_bignum();
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	inline void primitive_bignum_eq();
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	inline void primitive_bignum_add();
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	inline void primitive_bignum_subtract();
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	inline void primitive_bignum_multiply();
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	inline void primitive_bignum_divint();
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	inline void primitive_bignum_divmod();
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	inline void primitive_bignum_mod();
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	inline void primitive_bignum_and();
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	inline void primitive_bignum_or();
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	inline void primitive_bignum_xor();
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	inline void primitive_bignum_shift();
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	inline void primitive_bignum_less();
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	inline void primitive_bignum_lesseq();
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	inline void primitive_bignum_greater();
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	inline void primitive_bignum_greatereq();
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	inline void primitive_bignum_not();
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	inline void primitive_bignum_bitp();
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	inline void primitive_bignum_log2();
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	unsigned int bignum_producer(unsigned int digit);
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	inline void primitive_byte_array_to_bignum();
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	cell unbox_array_size();
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	inline void primitive_fixnum_to_float();
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	inline void primitive_bignum_to_float();
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	inline void primitive_str_to_float();
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	inline void primitive_float_to_str();
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	inline void primitive_float_eq();
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	inline void primitive_float_add();
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	inline void primitive_float_subtract();
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	inline void primitive_float_multiply();
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	inline void primitive_float_divfloat();
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	inline void primitive_float_mod();
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	inline void primitive_float_less();
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	inline void primitive_float_lesseq();
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	inline void primitive_float_greater();
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	inline void primitive_float_greatereq();
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	inline void primitive_float_bits();
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	inline void primitive_bits_float();
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	inline void primitive_double_bits();
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	inline void primitive_bits_double();
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	fixnum to_fixnum(cell tagged);
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	cell to_cell(cell tagged);
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	void box_signed_1(s8 n);
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	void box_unsigned_1(u8 n);
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	void box_signed_2(s16 n);
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	void box_unsigned_2(u16 n);
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	void box_signed_4(s32 n);
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	void box_unsigned_4(u32 n);
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	void box_signed_cell(fixnum integer);
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	void box_unsigned_cell(cell cell);
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	void box_signed_8(s64 n);
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	s64 to_signed_8(cell obj);
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	void box_unsigned_8(u64 n);
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	u64 to_unsigned_8(cell obj);
 | 
						|
	void box_float(float flo);
 | 
						|
	float to_float(cell value);
 | 
						|
	void box_double(double flo);
 | 
						|
	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 allot_integer(fixnum x);
 | 
						|
	inline cell allot_cell(cell x);
 | 
						|
	inline cell allot_float(double n);
 | 
						|
	inline bignum *float_to_bignum(cell tagged);
 | 
						|
	inline double bignum_to_float(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);
 | 
						|
	template <typename T> T *untag_check(cell value);
 | 
						|
	template <typename T> T *untag(cell value);
 | 
						|
	
 | 
						|
	//io
 | 
						|
	void init_c_io();
 | 
						|
	void io_error();
 | 
						|
	inline void primitive_fopen();
 | 
						|
	inline void primitive_fgetc();
 | 
						|
	inline void primitive_fread();
 | 
						|
	inline void primitive_fputc();
 | 
						|
	inline void primitive_fwrite();
 | 
						|
	inline void primitive_fseek();
 | 
						|
	inline void primitive_fflush();
 | 
						|
	inline void primitive_fclose();
 | 
						|
 | 
						|
	//code_block
 | 
						|
	relocation_type relocation_type_of(relocation_entry r);
 | 
						|
	relocation_class relocation_class_of(relocation_entry r);
 | 
						|
	cell relocation_offset_of(relocation_entry r);
 | 
						|
	void flush_icache_for(code_block *block);
 | 
						|
	int number_of_parameters(relocation_type type);
 | 
						|
	void *object_xt(cell obj);
 | 
						|
	void *xt_pic(word *w, cell tagged_quot);
 | 
						|
	void *word_xt_pic(word *w);
 | 
						|
	void *word_xt_pic_tail(word *w);
 | 
						|
	void undefined_symbol();
 | 
						|
	void *get_rel_symbol(array *literals, cell index);
 | 
						|
	cell compute_relocation(relocation_entry rel, cell index, code_block *compiled);
 | 
						|
	void iterate_relocations(code_block *compiled, relocation_iterator iter);
 | 
						|
	void store_address_2_2(cell *ptr, cell value);
 | 
						|
	void store_address_masked(cell *ptr, fixnum value, cell mask, fixnum shift);
 | 
						|
	void store_address_in_code_block(cell klass, cell offset, fixnum absolute_value);
 | 
						|
	void update_literal_references_step(relocation_entry rel, cell index, code_block *compiled);
 | 
						|
	void update_literal_references(code_block *compiled);
 | 
						|
	void copy_literal_references(code_block *compiled);
 | 
						|
	void relocate_code_block_step(relocation_entry rel, cell index, code_block *compiled);
 | 
						|
	void update_word_references_step(relocation_entry rel, cell index, code_block *compiled);
 | 
						|
	void update_word_references(code_block *compiled);
 | 
						|
	void update_literal_and_word_references(code_block *compiled);
 | 
						|
	void check_code_address(cell address);
 | 
						|
	void mark_code_block(code_block *compiled);
 | 
						|
	void mark_stack_frame_step(stack_frame *frame);
 | 
						|
	void mark_active_blocks(context *stacks);
 | 
						|
	void mark_object_code_block(object *object);
 | 
						|
	void relocate_code_block(code_block *compiled);
 | 
						|
	void fixup_labels(array *labels, code_block *compiled);
 | 
						|
	code_block *allot_code_block(cell size);
 | 
						|
	code_block *add_code_block(cell type,cell code_,cell labels_,cell relocation_,cell literals_);
 | 
						|
	inline bool stack_traces_p()
 | 
						|
	{
 | 
						|
		return userenv[STACK_TRACES_ENV] != F;
 | 
						|
	}
 | 
						|
 | 
						|
	//code_heap
 | 
						|
	void init_code_heap(cell size);
 | 
						|
	bool in_code_heap_p(cell ptr);
 | 
						|
	void jit_compile_word(cell word_, cell def_, bool relocate);
 | 
						|
	void iterate_code_heap(code_heap_iterator iter);
 | 
						|
	void copy_code_heap_roots();
 | 
						|
	void update_code_heap_words();
 | 
						|
	inline void primitive_modify_code_heap();
 | 
						|
	inline void primitive_code_room();
 | 
						|
	code_block *forward_xt(code_block *compiled);
 | 
						|
	void forward_frame_xt(stack_frame *frame);
 | 
						|
	void forward_object_xts();
 | 
						|
	void fixup_object_xts();
 | 
						|
	void compact_code_heap();
 | 
						|
	inline void check_code_pointer(cell ptr);
 | 
						|
 | 
						|
	//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 *filename);
 | 
						|
	inline void primitive_save_image();
 | 
						|
	inline void primitive_save_image_and_exit();
 | 
						|
	void data_fixup(cell *cell);
 | 
						|
	template <typename T> void code_fixup(T **handle);
 | 
						|
	void fixup_word(word *word);
 | 
						|
	void fixup_quotation(quotation *quot);
 | 
						|
	void fixup_alien(alien *d);
 | 
						|
	void fixup_stack_frame(stack_frame *frame);
 | 
						|
	void fixup_callstack_object(callstack *stack);
 | 
						|
	void relocate_object(object *object);
 | 
						|
	void relocate_data();
 | 
						|
	void fixup_code_block(code_block *compiled);
 | 
						|
	void relocate_code();
 | 
						|
	void load_image(vm_parameters *p);
 | 
						|
 | 
						|
	//callstack
 | 
						|
	template<typename T> void iterate_callstack_object(callstack *stack_, T &iterator);
 | 
						|
	void check_frame(stack_frame *frame);
 | 
						|
	callstack *allot_callstack(cell size);
 | 
						|
	stack_frame *fix_callstack_top(stack_frame *top, stack_frame *bottom);
 | 
						|
	stack_frame *capture_start();
 | 
						|
	inline void primitive_callstack();
 | 
						|
	inline void primitive_set_callstack();
 | 
						|
	code_block *frame_code(stack_frame *frame);
 | 
						|
	cell frame_type(stack_frame *frame);
 | 
						|
	cell frame_executing(stack_frame *frame);
 | 
						|
	stack_frame *frame_successor(stack_frame *frame);
 | 
						|
	cell frame_scan(stack_frame *frame);
 | 
						|
	inline void primitive_callstack_to_array();
 | 
						|
	stack_frame *innermost_stack_frame(callstack *stack);
 | 
						|
	stack_frame *innermost_stack_frame_quot(callstack *callstack);
 | 
						|
	inline void primitive_innermost_stack_frame_executing();
 | 
						|
	inline void primitive_innermost_stack_frame_scan();
 | 
						|
	inline void primitive_set_innermost_stack_frame_quot();
 | 
						|
	void save_callstack_bottom(stack_frame *callstack_bottom);
 | 
						|
	template<typename T> void iterate_callstack(cell top, cell bottom, T &iterator);
 | 
						|
	inline void do_slots(cell obj, void (* iter)(cell *,factor_vm*));
 | 
						|
 | 
						|
	//alien
 | 
						|
	char *pinned_alien_offset(cell obj);
 | 
						|
	cell allot_alien(cell delegate_, cell displacement);
 | 
						|
	inline void primitive_displaced_alien();
 | 
						|
	inline void primitive_alien_address();
 | 
						|
	void *alien_pointer();
 | 
						|
	inline void primitive_dlopen();
 | 
						|
	inline void primitive_dlsym();
 | 
						|
	inline void primitive_dlclose();
 | 
						|
	inline void primitive_dll_validp();
 | 
						|
	inline void primitive_vm_ptr();
 | 
						|
	char *alien_offset(cell obj);
 | 
						|
	char *unbox_alien();
 | 
						|
	void box_alien(void *ptr);
 | 
						|
	void to_value_struct(cell src, void *dest, cell size);
 | 
						|
	void box_value_struct(void *src, cell size);
 | 
						|
	void box_small_struct(cell x, cell y, cell size);
 | 
						|
	void box_medium_struct(cell x1, cell x2, cell x3, cell x4, cell size);
 | 
						|
 | 
						|
	//quotations
 | 
						|
	inline void primitive_jit_compile();
 | 
						|
	inline void primitive_array_to_quotation();
 | 
						|
	inline void primitive_quotation_xt();
 | 
						|
	void set_quot_xt(quotation *quot, code_block *code);
 | 
						|
	void jit_compile(cell quot_, bool relocating);
 | 
						|
	void compile_all_words();
 | 
						|
	fixnum quot_code_offset_to_scan(cell quot_, cell offset);
 | 
						|
	cell lazy_jit_compile_impl(cell quot_, stack_frame *stack);
 | 
						|
	inline void primitive_quot_compiled_p();
 | 
						|
 | 
						|
	//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_hi_tag_method(cell obj, cell methods);
 | 
						|
	cell lookup_hairy_method(cell obj, cell methods);
 | 
						|
	cell lookup_method(cell obj, cell methods);
 | 
						|
	inline 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);
 | 
						|
	inline void primitive_mega_cache_miss();
 | 
						|
	inline void primitive_reset_dispatch_stats();
 | 
						|
	inline 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);
 | 
						|
	inline void primitive_reset_inline_cache_stats();
 | 
						|
	inline void primitive_inline_cache_stats();
 | 
						|
 | 
						|
	//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 do_stage1_init();
 | 
						|
	void init_factor(vm_parameters *p);
 | 
						|
	void pass_args_to_factor(int argc, vm_char **argv);
 | 
						|
	void start_factor(vm_parameters *p);
 | 
						|
	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-*
 | 
						|
	inline void primitive_existsp();
 | 
						|
	void init_ffi();
 | 
						|
	void ffi_dlopen(dll *dll);
 | 
						|
	void *ffi_dlsym(dll *dll, symbol_char *symbol);
 | 
						|
	void ffi_dlclose(dll *dll);
 | 
						|
	void c_to_factor_toplevel(cell quot);
 | 
						|
 | 
						|
	// os-windows
 | 
						|
  #if defined(WINDOWS)
 | 
						|
	void sleep_micros(u64 usec);
 | 
						|
	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);
 | 
						|
	
 | 
						|
   #if defined(WINNT)
 | 
						|
	void open_console();
 | 
						|
	LONG exception_handler(PEXCEPTION_POINTERS pe);
 | 
						|
 	// next method here:	
 | 
						|
   #endif
 | 
						|
  #else  // UNIX
 | 
						|
	void memory_signal_handler(int signal, siginfo_t *siginfo, void *uap);
 | 
						|
	void misc_signal_handler(int signal, siginfo_t *siginfo, void *uap);
 | 
						|
	void fpe_signal_handler(int signal, siginfo_t *siginfo, void *uap);
 | 
						|
	stack_frame *uap_stack_pointer(void *uap);
 | 
						|
 | 
						|
  #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
 | 
						|
	
 | 
						|
	void print_vm_data();
 | 
						|
};
 | 
						|
 | 
						|
#ifndef FACTOR_REENTRANT
 | 
						|
   #define FACTOR_SINGLE_THREADED_SINGLETON
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef FACTOR_SINGLE_THREADED_SINGLETON
 | 
						|
/* calls are dispatched using the singleton vm ptr */
 | 
						|
  extern factor_vm *vm;
 | 
						|
  #define PRIMITIVE_GETVM() vm
 | 
						|
  #define PRIMITIVE_OVERFLOW_GETVM() vm
 | 
						|
  #define VM_PTR vm
 | 
						|
  #define ASSERTVM() 
 | 
						|
  #define SIGNAL_VM_PTR() vm
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef FACTOR_SINGLE_THREADED_TESTING
 | 
						|
/* calls are dispatched as per multithreaded, but checked against singleton */
 | 
						|
  extern factor_vm *vm;
 | 
						|
  #define ASSERTVM() assert(vm==myvm)
 | 
						|
  #define PRIMITIVE_GETVM() ((factor_vm*)myvm)
 | 
						|
  #define PRIMITIVE_OVERFLOW_GETVM() ASSERTVM(); myvm
 | 
						|
  #define VM_PTR myvm
 | 
						|
  #define SIGNAL_VM_PTR() tls_vm()
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef FACTOR_REENTRANT_TLS
 | 
						|
/* uses thread local storage to obtain vm ptr */
 | 
						|
  #define PRIMITIVE_GETVM() tls_vm()
 | 
						|
  #define PRIMITIVE_OVERFLOW_GETVM() tls_vm()
 | 
						|
  #define VM_PTR tls_vm()
 | 
						|
  #define ASSERTVM() 
 | 
						|
  #define SIGNAL_VM_PTR() tls_vm()
 | 
						|
#endif
 | 
						|
 | 
						|
#ifdef FACTOR_REENTRANT
 | 
						|
  #define PRIMITIVE_GETVM() ((factor_vm*)myvm)
 | 
						|
  #define PRIMITIVE_OVERFLOW_GETVM() ((factor_vm*)myvm)
 | 
						|
  #define VM_PTR myvm
 | 
						|
  #define ASSERTVM() 
 | 
						|
  #define SIGNAL_VM_PTR() tls_vm()
 | 
						|
#endif
 | 
						|
 | 
						|
}
 |