namespace factor { struct factor_vm { // First five fields accessed directly by assembler. See vm.factor /* Current stacks */ context *stack_chain; /* New objects are allocated here */ zone nursery; /* Add this to a shifted address to compute write barrier offsets */ cell cards_offset; cell decks_offset; /* TAGGED user environment data; see getenv/setenv prims */ cell userenv[USER_ENV]; /* Data stack and retain stack sizes */ cell ds_size, rs_size; /* Pooling unused contexts to make callbacks cheaper */ context *unused_contexts; /* Canonical T object. It's just a word */ cell T; /* Is call counting enabled? */ bool profiling_p; /* Global variables used to pass fault handler state from signal handler to user-space */ cell signal_number; cell signal_fault_addr; unsigned int signal_fpu_status; stack_frame *signal_callstack_top; /* Zeroes out deallocated memory; set by the -securegc command line argument */ bool secure_gc; /* A heap walk allows useful things to be done, like finding all references to an object for debugging purposes. */ cell heap_scan_ptr; /* GC is off during heap walking */ bool gc_off; /* Data heap */ data_heap *data; /* Code heap */ code_heap *code; /* Only set if we're performing a GC */ gc_state *current_gc; /* Statistics */ gc_statistics gc_stats; /* If a runtime function needs to call another function which potentially allocates memory, it must wrap any local variable references to Factor objects in gc_root instances */ std::vector gc_locals; std::vector gc_bignums; /* Debugger */ bool fep_disabled; bool full_output; /* Canonical bignums */ cell bignum_zero; cell bignum_pos_one; cell bignum_neg_one; /* Method dispatch statistics */ cell megamorphic_cache_hits; cell megamorphic_cache_misses; cell cold_call_to_ic_transitions; cell ic_to_pic_transitions; cell pic_to_mega_transitions; /* Indexed by PIC_TAG, PIC_HI_TAG, PIC_TUPLE, PIC_HI_TAG_TUPLE */ cell pic_counts[4]; /* Number of entries in a polymorphic inline cache */ cell max_pic_size; // contexts void reset_datastack(); void reset_retainstack(); void fix_stacks(); void save_stacks(); context *alloc_context(); void dealloc_context(context *old_context); void nest_stacks(); void unnest_stacks(); void init_stacks(cell ds_size_, cell rs_size_); bool stack_to_array(cell bottom, cell top); cell array_to_stack(array *array, cell bottom); void primitive_datastack(); void primitive_retainstack(); void primitive_set_datastack(); void primitive_set_retainstack(); void primitive_check_datastack(); // run void primitive_getenv(); void primitive_setenv(); void primitive_exit(); void primitive_micros(); void primitive_sleep(); void primitive_set_slot(); void primitive_load_locals(); cell clone_object(cell obj_); void primitive_clone(); // profiler void init_profiler(); code_block *compile_profiling_stub(cell word_); void set_profiling(bool profiling); void primitive_profiling(); // errors void throw_error(cell error, stack_frame *callstack_top); void not_implemented_error(); bool in_page(cell fault, cell area, cell area_size, int offset); void memory_protection_error(cell addr, stack_frame *native_stack); void signal_error(int signal, stack_frame *native_stack); void divide_by_zero_error(); void fp_trap_error(unsigned int fpu_status, stack_frame *signal_callstack_top); void primitive_call_clear(); void primitive_unimplemented(); void memory_signal_handler_impl(); void misc_signal_handler_impl(); void fp_signal_handler_impl(); void type_error(cell type, cell tagged); void general_error(vm_error_type error, cell arg1, cell arg2, stack_frame *native_stack); // bignum int bignum_equal_p(bignum * x, bignum * y); enum bignum_comparison bignum_compare(bignum * x, bignum * y); bignum *bignum_add(bignum * x, bignum * y); bignum *bignum_subtract(bignum * x, bignum * y); bignum *bignum_multiply(bignum * x, bignum * y); void bignum_divide(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder); bignum *bignum_quotient(bignum * numerator, bignum * denominator); bignum *bignum_remainder(bignum * numerator, bignum * denominator); cell bignum_to_cell(bignum * bignum); fixnum bignum_to_fixnum(bignum * bignum); s64 bignum_to_long_long(bignum * bignum); u64 bignum_to_ulong_long(bignum * bignum); double bignum_to_double(bignum * bignum); bignum *double_to_bignum(double x); int bignum_equal_p_unsigned(bignum * x, bignum * y); enum bignum_comparison bignum_compare_unsigned(bignum * x, bignum * y); bignum *bignum_add_unsigned(bignum * x, bignum * y, int negative_p); bignum *bignum_subtract_unsigned(bignum * x, bignum * y); bignum *bignum_multiply_unsigned(bignum * x, bignum * y, int negative_p); bignum *bignum_multiply_unsigned_small_factor(bignum * x, bignum_digit_type y,int negative_p); void bignum_destructive_add(bignum * bignum, bignum_digit_type n); void bignum_destructive_scale_up(bignum * bignum, bignum_digit_type factor); void bignum_divide_unsigned_large_denominator(bignum * numerator, bignum * denominator, bignum * * quotient, bignum * * remainder, int q_negative_p, int r_negative_p); void bignum_divide_unsigned_normalized(bignum * u, bignum * v, bignum * q); bignum_digit_type bignum_divide_subtract(bignum_digit_type * v_start, bignum_digit_type * v_end, bignum_digit_type guess, bignum_digit_type * u_start); void bignum_divide_unsigned_medium_denominator(bignum * numerator,bignum_digit_type denominator, bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p); void bignum_destructive_normalization(bignum * source, bignum * target, int shift_left); void bignum_destructive_unnormalization(bignum * bignum, int shift_right); bignum_digit_type bignum_digit_divide(bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v, bignum_digit_type * q) /* return value */; bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1, bignum_digit_type v2, bignum_digit_type guess, bignum_digit_type * u); void bignum_divide_unsigned_small_denominator(bignum * numerator, bignum_digit_type denominator, bignum * * quotient, bignum * * remainder,int q_negative_p, int r_negative_p); bignum_digit_type bignum_destructive_scale_down(bignum * bignum, bignum_digit_type denominator); bignum * bignum_remainder_unsigned_small_denominator(bignum * n, bignum_digit_type d, int negative_p); bignum *bignum_digit_to_bignum(bignum_digit_type digit, int negative_p); bignum *allot_bignum(bignum_length_type length, int negative_p); bignum * allot_bignum_zeroed(bignum_length_type length, int negative_p); bignum *bignum_shorten_length(bignum * bignum, bignum_length_type length); bignum *bignum_trim(bignum * bignum); bignum *bignum_new_sign(bignum * x, int negative_p); bignum *bignum_maybe_new_sign(bignum * x, int negative_p); void bignum_destructive_copy(bignum * source, bignum * target); bignum *bignum_bitwise_not(bignum * x); bignum *bignum_arithmetic_shift(bignum * arg1, fixnum n); bignum *bignum_bitwise_and(bignum * arg1, bignum * arg2); bignum *bignum_bitwise_ior(bignum * arg1, bignum * arg2); bignum *bignum_bitwise_xor(bignum * arg1, bignum * arg2); bignum *bignum_magnitude_ash(bignum * arg1, fixnum n); bignum *bignum_pospos_bitwise_op(int op, bignum * arg1, bignum * arg2); bignum *bignum_posneg_bitwise_op(int op, bignum * arg1, bignum * arg2); bignum *bignum_negneg_bitwise_op(int op, bignum * arg1, bignum * arg2); void bignum_negate_magnitude(bignum * arg); bignum *bignum_integer_length(bignum * x); int bignum_logbitp(int shift, bignum * arg); int bignum_unsigned_logbitp(int shift, bignum * bignum); bignum *digit_stream_to_bignum(unsigned int n_digits, unsigned int (*producer)(unsigned int, factor_vm *), unsigned int radix, int negative_p); //data heap void init_card_decks(); void clear_cards(old_space *gen); void clear_decks(old_space *gen); void reset_generation(old_space *gen); void set_data_heap(data_heap *data_); void init_data_heap(cell young_size, cell aging_size, cell tenured_size, bool secure_gc_); cell untagged_object_size(object *pointer); cell unaligned_object_size(object *pointer); void primitive_size(); cell binary_payload_start(object *pointer); void primitive_data_room(); void begin_scan(); void end_scan(); void primitive_begin_scan(); cell next_object(); void primitive_next_object(); void primitive_end_scan(); template void each_object(Iterator &iterator); cell find_all_words(); cell object_size(cell tagged); /* the write barrier must be called any time we are potentially storing a pointer from an older generation to a younger one */ inline void write_barrier(cell *slot_ptr) { *(char *)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask; *(char *)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask; } // gc void update_dirty_code_blocks(std::set *remembered_set); void collect_nursery(); void collect_aging(); void collect_to_tenured(); void free_unmarked_code_blocks(bool growing_data_heap); void collect_full_impl(bool trace_contexts_p); void collect_growing_heap(cell requested_bytes, bool trace_contexts_p); void collect_full(bool trace_contexts_p); void record_gc_stats(); void garbage_collection(cell gen, bool growing_data_heap, bool trace_contexts_p, cell requested_bytes); void gc(); void primitive_gc(); void primitive_gc_stats(); void clear_gc_stats(); void primitive_become(); void inline_gc(cell *gc_roots_base, cell gc_roots_size); object *allot_object(header header, cell size); void primitive_clear_gc_stats(); template Type *allot(cell size) { return (Type *)allot_object(header(Type::type_number),size); } inline void check_data_pointer(object *pointer) { #ifdef FACTOR_DEBUG if(!(current_gc && current_gc->growing_data_heap)) { assert((cell)pointer >= data->seg->start && (cell)pointer < data->seg->end); } #endif } inline void check_tagged_pointer(cell tagged) { #ifdef FACTOR_DEBUG if(!immediate_p(tagged)) { object *obj = untag(tagged); check_data_pointer(obj); obj->h.hi_tag(); } #endif } // generic arrays template Array *allot_array_internal(cell capacity); template bool reallot_array_in_place_p(Array *array, cell capacity); template Array *reallot_array(Array *array_, cell capacity); //debug void print_chars(string* str); void print_word(word* word, cell nesting); void print_factor_string(string* str); void print_array(array* array, cell nesting); void print_tuple(tuple *tuple, cell nesting); void print_nested_obj(cell obj, fixnum nesting); void print_obj(cell obj); void print_objects(cell *start, cell *end); void print_datastack(); void print_retainstack(); void print_callstack(); void dump_cell(cell x); void dump_memory(cell from, cell to); void dump_zone(cell gen, zone *z); void dump_generations(); void dump_objects(cell type); void find_data_references_step(cell *scan); void find_data_references(cell look_for_); void dump_code_heap(); void factorbug(); void primitive_die(); //arrays array *allot_array(cell capacity, cell fill_); void primitive_array(); cell allot_array_1(cell obj_); cell allot_array_2(cell v1_, cell v2_); cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_); void primitive_resize_array(); inline void set_array_nth(array *array, cell slot, cell value); //strings cell string_nth(string* str, cell index); void set_string_nth_fast(string *str, cell index, cell ch); void set_string_nth_slow(string *str_, cell index, cell ch); void set_string_nth(string *str, cell index, cell ch); string *allot_string_internal(cell capacity); void fill_string(string *str_, cell start, cell capacity, cell fill); string *allot_string(cell capacity, cell fill); void primitive_string(); bool reallot_string_in_place_p(string *str, cell capacity); string* reallot_string(string *str_, cell capacity); void primitive_resize_string(); void primitive_string_nth(); void primitive_set_string_nth_fast(); void primitive_set_string_nth_slow(); //booleans void box_boolean(bool value); bool to_boolean(cell value); inline cell tag_boolean(cell untagged); //byte arrays byte_array *allot_byte_array(cell size); void primitive_byte_array(); void primitive_uninitialized_byte_array(); void primitive_resize_byte_array(); //tuples tuple *allot_tuple(cell layout_); void primitive_tuple(); void primitive_tuple_boa(); //words word *allot_word(cell name_, cell vocab_, cell hashcode_); void primitive_word(); void primitive_word_xt(); void update_word_xt(cell w_); void primitive_optimized_p(); void primitive_wrapper(); //math void primitive_bignum_to_fixnum(); void primitive_float_to_fixnum(); void primitive_fixnum_divint(); void primitive_fixnum_divmod(); bignum *fixnum_to_bignum(fixnum); bignum *cell_to_bignum(cell); bignum *long_long_to_bignum(s64 n); bignum *ulong_long_to_bignum(u64 n); inline fixnum sign_mask(fixnum x); inline fixnum branchless_max(fixnum x, fixnum y); inline fixnum branchless_abs(fixnum x); void primitive_fixnum_shift(); void primitive_fixnum_to_bignum(); void primitive_float_to_bignum(); void primitive_bignum_eq(); void primitive_bignum_add(); void primitive_bignum_subtract(); void primitive_bignum_multiply(); void primitive_bignum_divint(); void primitive_bignum_divmod(); void primitive_bignum_mod(); void primitive_bignum_and(); void primitive_bignum_or(); void primitive_bignum_xor(); void primitive_bignum_shift(); void primitive_bignum_less(); void primitive_bignum_lesseq(); void primitive_bignum_greater(); void primitive_bignum_greatereq(); void primitive_bignum_not(); void primitive_bignum_bitp(); void primitive_bignum_log2(); unsigned int bignum_producer(unsigned int digit); void primitive_byte_array_to_bignum(); cell unbox_array_size(); void primitive_fixnum_to_float(); void primitive_bignum_to_float(); void primitive_str_to_float(); void primitive_float_to_str(); void primitive_float_eq(); void primitive_float_add(); void primitive_float_subtract(); void primitive_float_multiply(); void primitive_float_divfloat(); void primitive_float_mod(); void primitive_float_less(); void primitive_float_lesseq(); void primitive_float_greater(); void primitive_float_greatereq(); void primitive_float_bits(); void primitive_bits_float(); void primitive_double_bits(); void primitive_bits_double(); fixnum to_fixnum(cell tagged); cell to_cell(cell tagged); void box_signed_1(s8 n); void box_unsigned_1(u8 n); void box_signed_2(s16 n); void box_unsigned_2(u16 n); void box_signed_4(s32 n); void box_unsigned_4(u32 n); void box_signed_cell(fixnum integer); void box_unsigned_cell(cell cell); void box_signed_8(s64 n); s64 to_signed_8(cell obj); void box_unsigned_8(u64 n); 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 Type *untag_check(cell value); template Type *untag(cell value); //io void init_c_io(); void io_error(); void primitive_fopen(); void primitive_fgetc(); void primitive_fread(); void primitive_fputc(); void primitive_fwrite(); void primitive_ftell(); void primitive_fseek(); void primitive_fflush(); void primitive_fclose(); //code_block 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); template void iterate_relocations(code_block *compiled, 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(code_block *compiled); void relocate_code_block_step(relocation_entry rel, cell index, code_block *compiled); void update_word_references(code_block *compiled); void check_code_address(cell address); void relocate_code_block(code_block *compiled); void fixup_labels(array *labels, code_block *compiled); code_block *allot_code_block(cell size, cell type); code_block *add_code_block(cell type, cell code_, cell labels_, cell owner_, cell relocation_, cell literals_); //code heap inline void check_code_pointer(cell ptr) { #ifdef FACTOR_DEBUG assert(in_code_heap_p(ptr)); #endif } void init_code_heap(cell size); bool in_code_heap_p(cell ptr); void jit_compile_word(cell word_, cell def_, bool relocate); void update_code_heap_words(); void primitive_modify_code_heap(); void primitive_code_room(); code_block *forward_xt(code_block *compiled); void forward_object_xts(); void fixup_object_xts(); void compact_code_heap(); void primitive_strip_stack_traces(); /* Apply a function to every code block */ template void iterate_code_heap(Iterator &iter) { heap_block *scan = code->first_block(); while(scan) { if(scan->type() != FREE_BLOCK_TYPE) iter((code_block *)scan); scan = code->next_block(scan); } } //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); void primitive_save_image(); void primitive_save_image_and_exit(); void data_fixup(cell *handle, cell data_relocation_base); template void code_fixup(Type **handle, cell code_relocation_base); void fixup_word(word *word, cell code_relocation_base); void fixup_quotation(quotation *quot, cell code_relocation_base); void fixup_alien(alien *d); void fixup_callstack_object(callstack *stack, cell code_relocation_base); void relocate_object(object *object, cell data_relocation_base, cell code_relocation_base); void relocate_data(cell data_relocation_base, cell code_relocation_base); void fixup_code_block(code_block *compiled, cell data_relocation_base); void relocate_code(cell data_relocation_base); void load_image(vm_parameters *p); //callstack template void iterate_callstack_object(callstack *stack_, Iterator &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(); void primitive_callstack(); 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); void primitive_callstack_to_array(); stack_frame *innermost_stack_frame(callstack *stack); stack_frame *innermost_stack_frame_quot(callstack *callstack); void primitive_innermost_stack_frame_executing(); void primitive_innermost_stack_frame_scan(); void primitive_set_innermost_stack_frame_quot(); void save_callstack_bottom(stack_frame *callstack_bottom); template void iterate_callstack(cell top, cell bottom, Iterator &iterator); /* Every object has a regular representation in the runtime, which makes GC much simpler. Every slot of the object until binary_payload_start is a pointer to some other object. */ template void do_slots(cell obj, Iterator &iter) { cell scan = obj; cell payload_start = binary_payload_start((object *)obj); cell end = obj + payload_start; scan += sizeof(cell); while(scan < end) { iter((cell *)scan); scan += sizeof(cell); } } //alien char *pinned_alien_offset(cell obj); cell allot_alien(cell delegate_, cell displacement); void primitive_displaced_alien(); void primitive_alien_address(); void *alien_pointer(); void primitive_dlopen(); void primitive_dlsym(); void primitive_dlclose(); void primitive_dll_validp(); 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 void primitive_jit_compile(); void primitive_array_to_quotation(); 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); 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); void primitive_lookup_method(); cell object_class(cell obj); cell method_cache_hashcode(cell klass, array *array); void update_method_cache(cell cache, cell klass, cell method); void primitive_mega_cache_miss(); void primitive_reset_dispatch_stats(); void primitive_dispatch_stats(); //inline cache void init_inline_caching(int max_size); void deallocate_inline_cache(cell return_address); cell determine_inline_cache_type(array *cache_entries); void update_pic_count(cell type); code_block *compile_inline_cache(fixnum index,cell generic_word_,cell methods_,cell cache_entries_,bool tail_call_p); void *megamorphic_call_stub(cell generic_word); cell inline_cache_size(cell cache_entries); cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_); void update_pic_transitions(cell pic_size); void *inline_cache_miss(cell return_address); void primitive_reset_inline_cache_stats(); 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-* 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 factor_vm(); }; #ifndef FACTOR_REENTRANT #define FACTOR_SINGLE_THREADED_TESTING #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 extern unordered_map thread_vms; }