1027 lines
32 KiB
C++
1027 lines
32 KiB
C++
namespace factor
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{
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struct heap;
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struct data_heap;
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struct data;
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struct zone;
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struct vm_parameters;
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struct image_header;
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typedef u8 card;
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typedef u8 card_deck;
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struct factorvm {
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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 vmprim_datastack();
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inline void vmprim_retainstack();
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inline void vmprim_set_datastack();
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inline void vmprim_set_retainstack();
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inline void vmprim_check_datastack();
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// run
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inline void vmprim_getenv();
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inline void vmprim_setenv();
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inline void vmprim_exit();
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inline void vmprim_micros();
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inline void vmprim_sleep();
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inline void vmprim_set_slot();
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inline void vmprim_load_locals();
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cell clone_object(cell obj_);
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inline void vmprim_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 vmprim_profiling();
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// errors
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void out_of_memory();
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void fatal_error(const char* msg, cell tagged);
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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(stack_frame *signal_callstack_top);
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inline void vmprim_call_clear();
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inline void vmprim_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 *callstack_top);
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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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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), unsigned int radix, int negative_p);
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//data_heap
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cell init_zone(zone *z, cell size, cell start);
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void init_card_decks();
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data_heap *alloc_data_heap(cell gens, cell young_size,cell aging_size,cell tenured_size);
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data_heap *grow_data_heap(data_heap *data, cell requested_bytes);
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void dealloc_data_heap(data_heap *data);
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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 vmprim_size();
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cell binary_payload_start(object *pointer);
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inline void vmprim_data_room();
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void begin_scan();
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void end_scan();
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inline void vmprim_begin_scan();
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cell next_object();
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inline void vmprim_next_object();
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inline void vmprim_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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//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 vmprim_gc();
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inline void vmprim_gc_stats();
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void clear_gc_stats();
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inline void vmprim_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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// local roots
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std::vector<cell> gc_locals;
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std::vector<cell> gc_bignums;
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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 vmprim_die();
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//arrays
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array *allot_array(cell capacity, cell fill_);
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inline void vmprim_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 vmprim_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 vmprim_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 vmprim_resize_string();
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inline void vmprim_string_nth();
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inline void vmprim_set_string_nth_fast();
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inline void vmprim_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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//byte arrays
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byte_array *allot_byte_array(cell size);
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inline void vmprim_byte_array();
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inline void vmprim_uninitialized_byte_array();
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inline void vmprim_resize_byte_array();
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//tuples
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tuple *allot_tuple(cell layout_);
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inline void vmprim_tuple();
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inline void vmprim_tuple_boa();
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//words
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word *allot_word(cell vocab_, cell name_);
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inline void vmprim_word();
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inline void vmprim_word_xt();
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void update_word_xt(cell w_);
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inline void vmprim_optimized_p();
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inline void vmprim_wrapper();
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//math
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inline void vmprim_bignum_to_fixnum();
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inline void vmprim_float_to_fixnum();
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inline void vmprim_fixnum_divint();
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inline void vmprim_fixnum_divmod();
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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 vmprim_fixnum_shift();
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inline void vmprim_fixnum_to_bignum();
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inline void vmprim_float_to_bignum();
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inline void vmprim_bignum_eq();
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inline void vmprim_bignum_add();
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inline void vmprim_bignum_subtract();
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inline void vmprim_bignum_multiply();
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inline void vmprim_bignum_divint();
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inline void vmprim_bignum_divmod();
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inline void vmprim_bignum_mod();
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inline void vmprim_bignum_and();
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inline void vmprim_bignum_or();
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inline void vmprim_bignum_xor();
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inline void vmprim_bignum_shift();
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inline void vmprim_bignum_less();
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inline void vmprim_bignum_lesseq();
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inline void vmprim_bignum_greater();
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inline void vmprim_bignum_greatereq();
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inline void vmprim_bignum_not();
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inline void vmprim_bignum_bitp();
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inline void vmprim_bignum_log2();
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unsigned int bignum_producer(unsigned int digit);
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inline void vmprim_byte_array_to_bignum();
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cell unbox_array_size();
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inline void vmprim_fixnum_to_float();
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inline void vmprim_bignum_to_float();
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inline void vmprim_str_to_float();
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inline void vmprim_float_to_str();
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inline void vmprim_float_eq();
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inline void vmprim_float_add();
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inline void vmprim_float_subtract();
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inline void vmprim_float_multiply();
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inline void vmprim_float_divfloat();
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inline void vmprim_float_mod();
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inline void vmprim_float_less();
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inline void vmprim_float_lesseq();
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inline void vmprim_float_greater();
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inline void vmprim_float_greatereq();
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inline void vmprim_float_bits();
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inline void vmprim_bits_float();
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inline void vmprim_double_bits();
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inline void vmprim_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);
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void box_float(float flo);
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float to_float(cell value);
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void box_double(double flo);
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double to_double(cell value);
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void overflow_fixnum_add(fixnum x, fixnum y);
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void overflow_fixnum_subtract(fixnum x, fixnum y);
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void overflow_fixnum_multiply(fixnum x, fixnum y);
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inline cell allot_integer(fixnum x);
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inline cell allot_cell(cell x);
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inline cell allot_float(double n);
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inline bignum *float_to_bignum(cell tagged);
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inline double bignum_to_float(cell tagged);
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//io
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void init_c_io();
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void io_error();
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inline void vmprim_fopen();
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inline void vmprim_fgetc();
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inline void vmprim_fread();
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inline void vmprim_fputc();
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inline void vmprim_fwrite();
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inline void vmprim_fseek();
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inline void vmprim_fflush();
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inline void vmprim_fclose();
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int err_no();
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void clear_err_no();
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//code_gc
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void clear_free_list(heap *heap);
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void new_heap(heap *heap, cell size);
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void add_to_free_list(heap *heap, free_heap_block *block);
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void build_free_list(heap *heap, cell size);
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void assert_free_block(free_heap_block *block);
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free_heap_block *find_free_block(heap *heap, cell size);
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free_heap_block *split_free_block(heap *heap, free_heap_block *block, cell size);
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heap_block *heap_allot(heap *heap, cell size);
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void heap_free(heap *heap, heap_block *block);
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void mark_block(heap_block *block);
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void unmark_marked(heap *heap);
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void free_unmarked(heap *heap, heap_iterator iter);
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void heap_usage(heap *heap, cell *used, cell *total_free, cell *max_free);
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cell heap_size(heap *heap);
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cell compute_heap_forwarding(heap *heap, unordered_map<heap_block *,char *> &forwarding);
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void compact_heap(heap *heap, unordered_map<heap_block *,char *> &forwarding);
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//code_block
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relocation_type relocation_type_of(relocation_entry r);
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relocation_class relocation_class_of(relocation_entry r);
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cell relocation_offset_of(relocation_entry r);
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void flush_icache_for(code_block *block);
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int number_of_parameters(relocation_type type);
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void *object_xt(cell obj);
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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_);
|
|
|
|
//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 vmprim_modify_code_heap();
|
|
inline void vmprim_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();
|
|
|
|
//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 vmprim_save_image();
|
|
inline void vmprim_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 vmprim_callstack();
|
|
inline void vmprim_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 vmprim_callstack_to_array();
|
|
stack_frame *innermost_stack_frame(callstack *stack);
|
|
stack_frame *innermost_stack_frame_quot(callstack *callstack);
|
|
inline void vmprim_innermost_stack_frame_executing();
|
|
inline void vmprim_innermost_stack_frame_scan();
|
|
inline void vmprim_set_innermost_stack_frame_quot();
|
|
void save_callstack_bottom(stack_frame *callstack_bottom);
|
|
|
|
//alien
|
|
char *pinned_alien_offset(cell obj);
|
|
cell allot_alien(cell delegate_, cell displacement);
|
|
inline void vmprim_displaced_alien();
|
|
inline void vmprim_alien_address();
|
|
void *alien_pointer();
|
|
inline void vmprim_dlopen();
|
|
inline void vmprim_dlsym();
|
|
inline void vmprim_dlclose();
|
|
inline void vmprim_dll_validp();
|
|
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 vmprim_jit_compile();
|
|
inline void vmprim_array_to_quotation();
|
|
inline void vmprim_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 vmprim_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 vmprim_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 vmprim_mega_cache_miss();
|
|
inline void vmprim_reset_dispatch_stats();
|
|
inline void vmprim_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 vmprim_reset_inline_cache_stats();
|
|
inline void vmprim_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);
|
|
|
|
//utilities
|
|
void *safe_malloc(size_t size);
|
|
vm_char *safe_strdup(const vm_char *str);
|
|
void nl();
|
|
void print_string(const char *str);
|
|
void print_cell(cell x);
|
|
void print_cell_hex(cell x);
|
|
void print_cell_hex_pad(cell x);
|
|
void print_fixnum(fixnum x);
|
|
cell read_cell_hex();
|
|
|
|
|
|
|
|
|
|
|
|
};
|
|
|
|
extern factorvm *vm;
|
|
|
|
|
|
// write_barrier.hpp
|
|
|
|
inline card *factorvm::addr_to_card(cell a)
|
|
{
|
|
return (card*)(((cell)(a) >> card_bits) + cards_offset);
|
|
}
|
|
|
|
inline card *addr_to_card(cell a)
|
|
{
|
|
return vm->addr_to_card(a);
|
|
}
|
|
|
|
inline cell factorvm::card_to_addr(card *c)
|
|
{
|
|
return ((cell)c - cards_offset) << card_bits;
|
|
}
|
|
|
|
inline cell card_to_addr(card *c)
|
|
{
|
|
return vm->card_to_addr(c);
|
|
}
|
|
|
|
inline cell factorvm::card_offset(card *c)
|
|
{
|
|
return *(c - (cell)data->cards + (cell)data->allot_markers);
|
|
}
|
|
|
|
inline cell card_offset(card *c)
|
|
{
|
|
return vm->card_offset(c);
|
|
}
|
|
|
|
inline card_deck *factorvm::addr_to_deck(cell a)
|
|
{
|
|
return (card_deck *)(((cell)a >> deck_bits) + decks_offset);
|
|
}
|
|
|
|
inline card_deck *addr_to_deck(cell a)
|
|
{
|
|
return vm->addr_to_deck(a);
|
|
}
|
|
|
|
inline cell factorvm::deck_to_addr(card_deck *c)
|
|
{
|
|
return ((cell)c - decks_offset) << deck_bits;
|
|
}
|
|
|
|
inline cell deck_to_addr(card_deck *c)
|
|
{
|
|
return vm->deck_to_addr(c);
|
|
}
|
|
|
|
inline card *factorvm::deck_to_card(card_deck *d)
|
|
{
|
|
return (card *)((((cell)d - decks_offset) << (deck_bits - card_bits)) + cards_offset);
|
|
}
|
|
|
|
inline card *deck_to_card(card_deck *d)
|
|
{
|
|
return vm->deck_to_card(d);
|
|
}
|
|
|
|
inline card *factorvm::addr_to_allot_marker(object *a)
|
|
{
|
|
return (card *)(((cell)a >> card_bits) + allot_markers_offset);
|
|
}
|
|
|
|
inline card *addr_to_allot_marker(object *a)
|
|
{
|
|
return vm->addr_to_allot_marker(a);
|
|
}
|
|
|
|
/* the write barrier must be called any time we are potentially storing a
|
|
pointer from an older generation to a younger one */
|
|
inline void factorvm::write_barrier(object *obj)
|
|
{
|
|
*addr_to_card((cell)obj) = card_mark_mask;
|
|
*addr_to_deck((cell)obj) = card_mark_mask;
|
|
}
|
|
|
|
inline void write_barrier(object *obj)
|
|
{
|
|
return vm->write_barrier(obj);
|
|
}
|
|
|
|
/* we need to remember the first object allocated in the card */
|
|
inline void factorvm::allot_barrier(object *address)
|
|
{
|
|
card *ptr = addr_to_allot_marker(address);
|
|
if(*ptr == invalid_allot_marker)
|
|
*ptr = ((cell)address & addr_card_mask);
|
|
}
|
|
|
|
inline void allot_barrier(object *address)
|
|
{
|
|
return vm->allot_barrier(address);
|
|
}
|
|
|
|
|
|
//data_gc.hpp
|
|
inline bool factorvm::collecting_accumulation_gen_p()
|
|
{
|
|
return ((data->have_aging_p()
|
|
&& collecting_gen == data->aging()
|
|
&& !collecting_aging_again)
|
|
|| collecting_gen == data->tenured());
|
|
}
|
|
|
|
inline bool collecting_accumulation_gen_p()
|
|
{
|
|
return vm->collecting_accumulation_gen_p();
|
|
}
|
|
|
|
inline object *factorvm::allot_zone(zone *z, cell a)
|
|
{
|
|
cell h = z->here;
|
|
z->here = h + align8(a);
|
|
object *obj = (object *)h;
|
|
allot_barrier(obj);
|
|
return obj;
|
|
}
|
|
|
|
inline object *allot_zone(zone *z, cell a)
|
|
{
|
|
return vm->allot_zone(z,a);
|
|
}
|
|
|
|
/*
|
|
* It is up to the caller to fill in the object's fields in a meaningful
|
|
* fashion!
|
|
*/
|
|
inline object *factorvm::allot_object(header header, cell size)
|
|
{
|
|
#ifdef GC_DEBUG
|
|
if(!gc_off)
|
|
gc();
|
|
#endif
|
|
|
|
object *obj;
|
|
|
|
if(nursery.size - allot_buffer_zone > size)
|
|
{
|
|
/* If there is insufficient room, collect the nursery */
|
|
if(nursery.here + allot_buffer_zone + size > nursery.end)
|
|
garbage_collection(data->nursery(),false,0);
|
|
|
|
cell h = nursery.here;
|
|
nursery.here = h + align8(size);
|
|
obj = (object *)h;
|
|
}
|
|
/* If the object is bigger than the nursery, allocate it in
|
|
tenured space */
|
|
else
|
|
{
|
|
zone *tenured = &data->generations[data->tenured()];
|
|
|
|
/* If tenured space does not have enough room, collect */
|
|
if(tenured->here + size > tenured->end)
|
|
{
|
|
gc();
|
|
tenured = &data->generations[data->tenured()];
|
|
}
|
|
|
|
/* If it still won't fit, grow the heap */
|
|
if(tenured->here + size > tenured->end)
|
|
{
|
|
garbage_collection(data->tenured(),true,size);
|
|
tenured = &data->generations[data->tenured()];
|
|
}
|
|
|
|
obj = allot_zone(tenured,size);
|
|
|
|
/* Allows initialization code to store old->new pointers
|
|
without hitting the write barrier in the common case of
|
|
a nursery allocation */
|
|
write_barrier(obj);
|
|
}
|
|
|
|
obj->h = header;
|
|
return obj;
|
|
}
|
|
|
|
inline object *allot_object(header header, cell size)
|
|
{
|
|
return vm->allot_object(header,size);
|
|
}
|
|
|
|
template<typename TYPE> TYPE *factorvm::allot(cell size)
|
|
{
|
|
return (TYPE *)allot_object(header(TYPE::type_number),size);
|
|
}
|
|
|
|
template<typename TYPE> TYPE *allot(cell size)
|
|
{
|
|
return vm->allot<TYPE>(size);
|
|
}
|
|
|
|
inline void factorvm::check_data_pointer(object *pointer)
|
|
{
|
|
#ifdef FACTOR_DEBUG
|
|
if(!growing_data_heap)
|
|
{
|
|
assert((cell)pointer >= data->seg->start
|
|
&& (cell)pointer < data->seg->end);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
inline void check_data_pointer(object *pointer)
|
|
{
|
|
return vm->check_data_pointer(pointer);
|
|
}
|
|
|
|
inline void factorvm::check_tagged_pointer(cell tagged)
|
|
{
|
|
#ifdef FACTOR_DEBUG
|
|
if(!immediate_p(tagged))
|
|
{
|
|
object *obj = untag<object>(tagged);
|
|
check_data_pointer(obj);
|
|
obj->h.hi_tag();
|
|
}
|
|
#endif
|
|
}
|
|
|
|
inline void check_tagged_pointer(cell tagged)
|
|
{
|
|
return vm->check_tagged_pointer(tagged);
|
|
}
|
|
|
|
//local_roots.hpp
|
|
template <typename TYPE>
|
|
struct gc_root : public tagged<TYPE>
|
|
{
|
|
factorvm *myvm;
|
|
|
|
void push() { check_tagged_pointer(tagged<TYPE>::value()); myvm->gc_locals.push_back((cell)this); }
|
|
|
|
//explicit gc_root(cell value_, factorvm *vm) : myvm(vm),tagged<TYPE>(value_) { push(); }
|
|
explicit gc_root(cell value_,factorvm *vm) : tagged<TYPE>(value_),myvm(vm) { push(); }
|
|
explicit gc_root(TYPE *value_, factorvm *vm) : tagged<TYPE>(value_),myvm(vm) { push(); }
|
|
|
|
const gc_root<TYPE>& operator=(const TYPE *x) { tagged<TYPE>::operator=(x); return *this; }
|
|
const gc_root<TYPE>& operator=(const cell &x) { tagged<TYPE>::operator=(x); return *this; }
|
|
|
|
~gc_root() {
|
|
#ifdef FACTOR_DEBUG
|
|
assert(myvm->gc_locals.back() == (cell)this);
|
|
#endif
|
|
myvm->gc_locals.pop_back();
|
|
}
|
|
};
|
|
|
|
/* A similar hack for the bignum implementation */
|
|
struct gc_bignum
|
|
{
|
|
bignum **addr;
|
|
factorvm *myvm;
|
|
gc_bignum(bignum **addr_, factorvm *vm) : addr(addr_), myvm(vm) {
|
|
if(*addr_)
|
|
check_data_pointer(*addr_);
|
|
myvm->gc_bignums.push_back((cell)addr);
|
|
}
|
|
|
|
~gc_bignum() {
|
|
#ifdef FACTOR_DEBUG
|
|
assert(myvm->gc_bignums.back() == (cell)addr);
|
|
#endif
|
|
myvm->gc_bignums.pop_back();
|
|
}
|
|
};
|
|
|
|
#define GC_BIGNUM(x,vm) gc_bignum x##__gc_root(&x,vm)
|
|
|
|
//generic_arrays.hpp
|
|
template <typename T> T *factorvm::allot_array_internal(cell capacity)
|
|
{
|
|
T *array = allot<T>(array_size<T>(capacity));
|
|
array->capacity = tag_fixnum(capacity);
|
|
return array;
|
|
}
|
|
|
|
template <typename T> T *allot_array_internal(cell capacity)
|
|
{
|
|
return vm->allot_array_internal<T>(capacity);
|
|
}
|
|
|
|
template <typename T> bool factorvm::reallot_array_in_place_p(T *array, cell capacity)
|
|
{
|
|
return in_zone(&nursery,array) && capacity <= array_capacity(array);
|
|
}
|
|
|
|
template <typename T> bool reallot_array_in_place_p(T *array, cell capacity)
|
|
{
|
|
return vm->reallot_array_in_place_p<T>(array,capacity);
|
|
}
|
|
|
|
template <typename TYPE> TYPE *factorvm::reallot_array(TYPE *array_, cell capacity)
|
|
{
|
|
gc_root<TYPE> array(array_,this);
|
|
|
|
if(reallot_array_in_place_p(array.untagged(),capacity))
|
|
{
|
|
array->capacity = tag_fixnum(capacity);
|
|
return array.untagged();
|
|
}
|
|
else
|
|
{
|
|
cell to_copy = array_capacity(array.untagged());
|
|
if(capacity < to_copy)
|
|
to_copy = capacity;
|
|
|
|
TYPE *new_array = allot_array_internal<TYPE>(capacity);
|
|
|
|
memcpy(new_array + 1,array.untagged() + 1,to_copy * TYPE::element_size);
|
|
memset((char *)(new_array + 1) + to_copy * TYPE::element_size,
|
|
0,(capacity - to_copy) * TYPE::element_size);
|
|
|
|
return new_array;
|
|
}
|
|
}
|
|
|
|
//arrays.hpp
|
|
inline void factorvm::set_array_nth(array *array, cell slot, cell value)
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{
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#ifdef FACTOR_DEBUG
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assert(slot < array_capacity(array));
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assert(array->h.hi_tag() == ARRAY_TYPE);
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check_tagged_pointer(value);
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#endif
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array->data()[slot] = value;
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write_barrier(array);
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}
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inline void set_array_nth(array *array, cell slot, cell value)
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{
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return vm->set_array_nth(array,slot,value);
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}
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struct growable_array {
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cell count;
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gc_root<array> elements;
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|
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growable_array(factorvm *myvm, cell capacity = 10) : count(0), elements(allot_array(capacity,F),myvm) {}
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|
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void add(cell elt);
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|
void trim();
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};
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|
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//byte_arrays.hpp
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|
struct growable_byte_array {
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|
cell count;
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|
gc_root<byte_array> elements;
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|
|
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growable_byte_array(factorvm *vm,cell capacity = 40) : count(0), elements(allot_byte_array(capacity),vm) { }
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|
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void append_bytes(void *elts, cell len);
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|
void append_byte_array(cell elts);
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|
|
|
void trim();
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|
};
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|
|
|
//math.hpp
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|
inline cell factorvm::allot_integer(fixnum x)
|
|
{
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|
if(x < fixnum_min || x > fixnum_max)
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|
return tag<bignum>(fixnum_to_bignum(x));
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|
else
|
|
return tag_fixnum(x);
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|
}
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|
|
|
inline cell allot_integer(fixnum x)
|
|
{
|
|
return vm->allot_integer(x);
|
|
}
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|
|
|
inline cell factorvm::allot_cell(cell x)
|
|
{
|
|
if(x > (cell)fixnum_max)
|
|
return tag<bignum>(cell_to_bignum(x));
|
|
else
|
|
return tag_fixnum(x);
|
|
}
|
|
|
|
inline cell allot_cell(cell x)
|
|
{
|
|
return vm->allot_cell(x);
|
|
}
|
|
|
|
inline cell factorvm::allot_float(double n)
|
|
{
|
|
boxed_float *flo = allot<boxed_float>(sizeof(boxed_float));
|
|
flo->n = n;
|
|
return tag(flo);
|
|
}
|
|
|
|
inline cell allot_float(double n)
|
|
{
|
|
return vm->allot_float(n);
|
|
}
|
|
|
|
inline bignum *factorvm::float_to_bignum(cell tagged)
|
|
{
|
|
return double_to_bignum(untag_float(tagged));
|
|
}
|
|
|
|
inline bignum *float_to_bignum(cell tagged)
|
|
{
|
|
return vm->float_to_bignum(tagged);
|
|
}
|
|
|
|
inline double factorvm::bignum_to_float(cell tagged)
|
|
{
|
|
return bignum_to_double(untag<bignum>(tagged));
|
|
}
|
|
|
|
inline double bignum_to_float(cell tagged)
|
|
{
|
|
return vm->bignum_to_float(tagged);
|
|
}
|
|
|
|
//callstack.hpp
|
|
/* This is a little tricky. The iterator may allocate memory, so we
|
|
keep the callstack in a GC root and use relative offsets */
|
|
template<typename T> void factorvm::iterate_callstack_object(callstack *stack_, T &iterator)
|
|
{
|
|
gc_root<callstack> stack(stack_,vm);
|
|
fixnum frame_offset = untag_fixnum(stack->length) - sizeof(stack_frame);
|
|
|
|
while(frame_offset >= 0)
|
|
{
|
|
stack_frame *frame = stack->frame_at(frame_offset);
|
|
frame_offset -= frame->size;
|
|
iterator(frame);
|
|
}
|
|
}
|
|
|
|
template<typename T> void iterate_callstack_object(callstack *stack_, T &iterator)
|
|
{
|
|
return vm->iterate_callstack_object(stack_,iterator);
|
|
}
|
|
|
|
// next method here:
|
|
|
|
|
|
}
|