792 lines
28 KiB
C++
792 lines
28 KiB
C++
namespace factor {
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struct growable_array;
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struct code_root;
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struct factor_vm {
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//
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// vvvvvv
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// THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR. See:
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// basis/vm/vm.factor
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// basis/compiler/constants/constants.factor
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/* Current context */
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context* ctx;
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/* Spare context -- for callbacks */
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context* spare_ctx;
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/* New objects are allocated here */
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nursery_space nursery;
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/* Add this to a shifted address to compute write barrier offsets */
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cell cards_offset;
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cell decks_offset;
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/* cdecl signal handler address, used by signal handler subprimitives */
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cell signal_handler_addr;
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/* are we handling a memory error? used to detect double faults */
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cell faulting_p;
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/* Various special objects, accessed by special-object and
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set-special-object primitives */
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cell special_objects[special_object_count];
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// THESE FIELDS ARE ACCESSED DIRECTLY FROM FACTOR.
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// ^^^^^^
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//
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/* Handle to the main thread we run in */
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THREADHANDLE thread;
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/* Data stack and retain stack sizes */
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cell datastack_size, retainstack_size, callstack_size;
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/* Stack of callback IDs */
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std::vector<int> callback_ids;
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/* Next callback ID */
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int callback_id;
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/* List of callback function descriptors for PPC */
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std::list<void**> function_descriptors;
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/* Pooling unused contexts to make context allocation cheaper */
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std::list<context*> unused_contexts;
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/* Active contexts, for tracing by the GC */
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std::set<context*> active_contexts;
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/* Canonical truth value. In Factor, 't' */
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cell true_object;
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/* External entry points */
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c_to_factor_func_type c_to_factor_func;
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/* Is profiling enabled? */
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volatile cell sampling_profiler_p;
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fixnum samples_per_second;
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/* Global variables used to pass fault handler state from signal handler
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to VM */
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bool signal_resumable;
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cell signal_number;
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cell signal_fault_addr;
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cell signal_fault_pc;
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unsigned int signal_fpu_status;
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/* Pipe used to notify Factor multiplexer of signals */
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int signal_pipe_input, signal_pipe_output;
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/* State kept by the sampling profiler */
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std::vector<profiling_sample> samples;
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std::vector<cell> sample_callstacks;
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/* GC is off during heap walking */
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bool gc_off;
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/* Data heap */
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data_heap* data;
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/* Code heap */
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code_heap* code;
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/* Pinned callback stubs */
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callback_heap* callbacks;
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/* Only set if we're performing a GC */
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gc_state* current_gc;
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volatile cell current_gc_p;
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/* Set if we're in the jit */
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volatile fixnum current_jit_count;
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/* Mark stack */
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std::vector<cell> mark_stack;
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/* If not NULL, we push GC events here */
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std::vector<gc_event>* gc_events;
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/* If a runtime function needs to call another function which potentially
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allocates memory, it must wrap any references to the data and code
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heaps with data_root and code_root smart pointers, which register
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themselves here. See data_roots.hpp and code_roots.hpp */
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std::vector<cell*> data_roots;
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std::vector<bignum**> bignum_roots;
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std::vector<code_root*> code_roots;
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/* Debugger */
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bool fep_p;
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bool fep_help_was_shown;
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bool fep_disabled;
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bool full_output;
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/* Canonical bignums */
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cell bignum_zero;
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cell bignum_pos_one;
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cell bignum_neg_one;
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/* Method dispatch statistics */
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dispatch_statistics dispatch_stats;
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/* Number of entries in a polymorphic inline cache */
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cell max_pic_size;
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/* Incrementing object counter for identity hashing */
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cell object_counter;
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/* Sanity check to ensure that monotonic counter doesn't decrease */
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uint64_t last_nano_count;
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/* Stack for signal handlers, only used on Unix */
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segment* signal_callstack_seg;
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/* Are we already handling a fault? Used to catch double memory faults */
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static bool fatal_erroring_p;
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/* Safepoint state */
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volatile safepoint_state safepoint;
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// contexts
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context* new_context();
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void init_context(context* ctx);
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void delete_context(context* old_context);
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void init_contexts(cell datastack_size_, cell retainstack_size_,
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cell callstack_size_);
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void delete_contexts();
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cell begin_callback(cell quot);
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void end_callback();
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void primitive_current_callback();
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void primitive_context_object();
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void primitive_context_object_for();
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void primitive_set_context_object();
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cell stack_to_array(cell bottom, cell top);
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cell datastack_to_array(context* ctx);
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void primitive_datastack();
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void primitive_datastack_for();
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cell retainstack_to_array(context* ctx);
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void primitive_retainstack();
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void primitive_retainstack_for();
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cell array_to_stack(array* array, cell bottom);
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void set_datastack(context* ctx, array* array);
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void primitive_set_datastack();
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void set_retainstack(context* ctx, array* array);
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void primitive_set_retainstack();
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void primitive_check_datastack();
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void primitive_load_locals();
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template <typename Iterator, typename Fixup>
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void iterate_active_callstacks(Iterator& iter, Fixup& fixup) {
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std::set<context*>::const_iterator begin = active_contexts.begin();
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std::set<context*>::const_iterator end = active_contexts.end();
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while (begin != end) {
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iterate_callstack(*begin++, iter, fixup);
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}
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}
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// run
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void primitive_exit();
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void primitive_nano_count();
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void primitive_sleep();
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void primitive_set_slot();
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// objects
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void primitive_special_object();
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void primitive_set_special_object();
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void primitive_identity_hashcode();
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void compute_identity_hashcode(object* obj);
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void primitive_compute_identity_hashcode();
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cell object_size(cell tagged);
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cell clone_object(cell obj_);
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void primitive_clone();
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void primitive_become();
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// sampling_profiler
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void clear_samples();
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void record_sample(bool prolog_p);
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void record_callstack_sample(cell* begin, cell* end, bool prolog_p);
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void start_sampling_profiler(fixnum rate);
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void end_sampling_profiler();
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void set_sampling_profiler(fixnum rate);
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void primitive_sampling_profiler();
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void primitive_get_samples();
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void primitive_clear_samples();
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// errors
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void general_error(vm_error_type error, cell arg1, cell arg2);
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void type_error(cell type, cell tagged);
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void not_implemented_error();
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void verify_memory_protection_error(cell addr);
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void memory_protection_error(cell pc, cell addr);
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void signal_error(cell signal);
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void divide_by_zero_error();
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void fp_trap_error(unsigned int fpu_status);
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void primitive_unimplemented();
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void memory_signal_handler_impl();
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void synchronous_signal_handler_impl();
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void fp_signal_handler_impl();
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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_square(bignum* x);
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bignum* bignum_multiply(bignum* x, bignum* y);
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void bignum_divide(bignum* numerator, bignum* denominator, bignum** quotient,
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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* bn);
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fixnum bignum_to_fixnum_strict(bignum* bn);
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fixnum bignum_to_fixnum(bignum* bn);
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int64_t bignum_to_long_long(bignum* bn);
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uint64_t bignum_to_ulong_long(bignum* bn);
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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,
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int negative_p);
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void bignum_destructive_add(bignum* bn, bignum_digit_type n);
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void bignum_destructive_scale_up(bignum* bn, bignum_digit_type factor);
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void bignum_divide_unsigned_large_denominator(
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bignum* numerator, bignum* denominator, bignum** quotient,
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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,
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bignum_digit_type* v_end,
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bignum_digit_type guess,
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bignum_digit_type* u_start);
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void bignum_divide_unsigned_medium_denominator(
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bignum* numerator, bignum_digit_type denominator, bignum** quotient,
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bignum** remainder, int q_negative_p, int r_negative_p);
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void bignum_destructive_normalization(bignum* source, bignum* target,
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int shift_left);
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void bignum_destructive_unnormalization(bignum* bn, int shift_right);
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bignum_digit_type bignum_digit_divide(
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bignum_digit_type uh, bignum_digit_type ul, bignum_digit_type v,
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bignum_digit_type* q) /* return value */;
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bignum_digit_type bignum_digit_divide_subtract(bignum_digit_type v1,
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bignum_digit_type v2,
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bignum_digit_type guess,
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bignum_digit_type* u);
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void bignum_divide_unsigned_small_denominator(
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bignum* numerator, bignum_digit_type denominator, bignum** quotient,
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bignum** remainder, int q_negative_p, int r_negative_p);
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bignum_digit_type bignum_destructive_scale_down(
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bignum* bn, bignum_digit_type denominator);
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bignum* bignum_remainder_unsigned_small_denominator(bignum* n,
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bignum_digit_type d,
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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* bn, bignum_length_type length);
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bignum* bignum_trim(bignum* bn);
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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* bn);
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bignum* bignum_gcd(bignum* a, bignum* b);
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//data heap
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void init_card_decks();
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void set_data_heap(data_heap* data_);
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void init_data_heap(cell young_size, cell aging_size, cell tenured_size);
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void primitive_size();
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data_heap_room data_room();
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void primitive_data_room();
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void begin_scan();
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void end_scan();
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cell instances(cell type);
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void primitive_all_instances();
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template <typename Generation, typename Iterator>
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inline void each_object(Generation* gen, Iterator& iterator) {
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cell obj = gen->first_object();
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while (obj) {
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iterator((object*)obj);
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obj = gen->next_object_after(obj);
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}
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}
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template <typename Iterator> inline void each_object(Iterator& iterator) {
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gc_off = true;
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each_object(data->tenured, iterator);
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each_object(data->aging, iterator);
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each_object(data->nursery, iterator);
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gc_off = false;
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}
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/* the write barrier must be called any time we are potentially storing a
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pointer from an older generation to a younger one */
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inline void write_barrier(cell* slot_ptr) {
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*(char*)(cards_offset + ((cell)slot_ptr >> card_bits)) = card_mark_mask;
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*(char*)(decks_offset + ((cell)slot_ptr >> deck_bits)) = card_mark_mask;
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}
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inline void write_barrier(object* obj, cell size) {
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cell start = (cell)obj & (~card_size + 1);
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cell end = ((cell)obj + size + card_size - 1) & (~card_size + 1);
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for (cell offset = start; offset < end; offset += card_size)
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write_barrier((cell*)offset);
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}
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// data heap checker
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void check_data_heap();
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// gc
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void end_gc();
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void set_current_gc_op(gc_op op);
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void start_gc_again();
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void update_code_heap_for_minor_gc(std::set<code_block*>* remembered_set);
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void collect_nursery();
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void collect_aging();
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void collect_to_tenured();
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void update_code_roots_for_sweep();
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void update_code_roots_for_compaction();
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void collect_mark_impl(bool trace_contexts_p);
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void collect_sweep_impl();
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void collect_full(bool trace_contexts_p);
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void collect_compact_impl(bool trace_contexts_p);
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void collect_compact_code_impl(bool trace_contexts_p);
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void collect_compact(bool trace_contexts_p);
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void collect_growing_heap(cell requested_size, bool trace_contexts_p);
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void gc(gc_op op, cell requested_size, bool trace_contexts_p);
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void scrub_context(context* ctx);
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void scrub_contexts();
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void primitive_minor_gc();
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void primitive_full_gc();
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void primitive_compact_gc();
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void primitive_enable_gc_events();
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void primitive_disable_gc_events();
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object* allot_object(cell type, cell size);
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object* allot_large_object(cell type, cell size);
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/* Allocates memory */
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template <typename Type> Type* allot(cell size) {
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return (Type*)allot_object(Type::type_number, size);
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}
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inline void check_data_pointer(object* pointer) {
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FACTOR_ASSERT((current_gc && current_gc->op == collect_growing_heap_op) ||
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data->seg->in_segment_p((cell)pointer));
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}
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// generic arrays
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template <typename Array> Array* allot_uninitialized_array(cell capacity);
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template <typename Array>
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bool reallot_array_in_place_p(Array* array, cell capacity);
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template <typename Array> Array* reallot_array(Array* 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_byte_array(byte_array* array, cell nesting);
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void print_tuple(tuple* tuple, cell nesting);
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void print_alien(alien* alien, 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_callstack();
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void print_callstack_object(callstack* obj);
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void dump_cell(cell x);
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void dump_memory(cell from, cell to);
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template <typename Generation>
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void dump_generation(const char* name, Generation* gen);
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void dump_generations();
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void dump_objects(cell type);
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void dump_edges();
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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_usage(bool advanced_p);
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void factorbug();
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void primitive_die();
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// arrays
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inline void set_array_nth(array* array, cell slot, cell value);
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array* allot_array(cell capacity, cell fill_);
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void primitive_array();
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cell allot_array_4(cell v1_, cell v2_, cell v3_, cell v4_);
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void primitive_resize_array();
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cell std_vector_to_array(std::vector<cell>& elements);
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// strings
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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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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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void primitive_resize_string();
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void primitive_set_string_nth_fast();
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// booleans
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cell tag_boolean(cell untagged) {
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return (untagged ? true_object : false_object);
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}
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// byte arrays
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byte_array* allot_byte_array(cell size);
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void primitive_byte_array();
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void primitive_uninitialized_byte_array();
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void primitive_resize_byte_array();
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template <typename Type> byte_array* byte_array_from_value(Type* value);
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// tuples
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void primitive_tuple();
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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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void primitive_word();
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void primitive_word_code();
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void primitive_optimized_p();
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void primitive_wrapper();
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void jit_compile_word(cell word_, cell def_, bool relocating);
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cell find_all_words();
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void compile_all_words();
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// math
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void primitive_bignum_to_fixnum();
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void primitive_bignum_to_fixnum_strict();
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void primitive_float_to_fixnum();
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void primitive_fixnum_divint();
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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(int64_t n);
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bignum* ulong_long_to_bignum(uint64_t 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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void primitive_fixnum_shift();
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void primitive_fixnum_to_bignum();
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void primitive_float_to_bignum();
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void primitive_bignum_eq();
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void primitive_bignum_add();
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void primitive_bignum_subtract();
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void primitive_bignum_multiply();
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void primitive_bignum_divint();
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void primitive_bignum_divmod();
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void primitive_bignum_mod();
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void primitive_bignum_gcd();
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void primitive_bignum_and();
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void primitive_bignum_or();
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void primitive_bignum_xor();
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void primitive_bignum_shift();
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void primitive_bignum_less();
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void primitive_bignum_lesseq();
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void primitive_bignum_greater();
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void primitive_bignum_greatereq();
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void primitive_bignum_not();
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void primitive_bignum_bitp();
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void primitive_bignum_log2();
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inline cell unbox_array_size();
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void primitive_fixnum_to_float();
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void primitive_format_float();
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void primitive_float_eq();
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void primitive_float_add();
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void primitive_float_subtract();
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void primitive_float_multiply();
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void primitive_float_divfloat();
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void primitive_float_less();
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void primitive_float_lesseq();
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void primitive_float_greater();
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void primitive_float_greatereq();
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void primitive_float_bits();
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void primitive_bits_float();
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void primitive_double_bits();
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void primitive_bits_double();
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fixnum to_fixnum(cell tagged);
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fixnum to_fixnum_strict(cell tagged);
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cell to_cell(cell tagged);
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cell from_signed_8(int64_t n);
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int64_t to_signed_8(cell obj);
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cell from_unsigned_8(uint64_t n);
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uint64_t to_unsigned_8(cell obj);
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float to_float(cell value);
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double to_double(cell value);
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inline void overflow_fixnum_add(fixnum x, fixnum y);
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inline void overflow_fixnum_subtract(fixnum x, fixnum y);
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inline void overflow_fixnum_multiply(fixnum x, fixnum y);
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inline cell from_signed_cell(fixnum x);
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inline cell from_unsigned_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 untag_float(cell tagged);
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inline double untag_float_check(cell tagged);
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inline fixnum float_to_fixnum(cell tagged);
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inline double fixnum_to_float(cell tagged);
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// tagged
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template <typename Type> Type* untag_check(cell value);
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// io
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void init_c_io();
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void io_error();
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FILE* safe_fopen(char* filename, char* mode);
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int safe_fgetc(FILE* stream);
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size_t safe_fread(void* ptr, size_t size, size_t nitems, FILE* stream);
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void safe_fputc(int c, FILE* stream);
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size_t safe_fwrite(void* ptr, size_t size, size_t nitems, FILE* stream);
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int safe_ftell(FILE* stream);
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void safe_fseek(FILE* stream, off_t offset, int whence);
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void safe_fflush(FILE* stream);
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void safe_fclose(FILE* stream);
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void primitive_fopen();
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FILE* pop_file_handle();
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FILE* peek_file_handle();
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void primitive_fgetc();
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void primitive_fread();
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void primitive_fputc();
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void primitive_fwrite();
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void primitive_ftell();
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void primitive_fseek();
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void primitive_fflush();
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void primitive_fclose();
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// code_block
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cell compute_entry_point_address(cell obj);
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cell compute_entry_point_pic_address(word* w, cell tagged_quot);
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cell compute_entry_point_pic_address(cell w_);
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cell compute_entry_point_pic_tail_address(cell w_);
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cell code_block_owner(code_block* compiled);
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void update_word_references(code_block* compiled, bool reset_inline_caches);
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void undefined_symbol();
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cell compute_dlsym_address(array* literals, cell index);
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#ifdef FACTOR_PPC
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cell compute_dlsym_toc_address(array* literals, cell index);
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#endif
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cell compute_vm_address(cell arg);
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void store_external_address(instruction_operand op);
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cell compute_here_address(cell arg, cell offset, code_block* compiled);
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void initialize_code_block(code_block* compiled, cell literals);
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void initialize_code_block(code_block* compiled);
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void fixup_labels(array* labels, code_block* compiled);
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code_block* allot_code_block(cell size, code_block_type type);
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code_block* add_code_block(code_block_type type, cell code_, cell labels_,
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cell owner_, cell relocation_, cell parameters_,
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cell literals_, cell frame_size_untagged);
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//code heap
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inline void check_code_pointer(cell ptr) {}
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template <typename Iterator> void each_code_block(Iterator& iter) {
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code->allocator->iterate(iter);
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}
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void init_code_heap(cell size);
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void update_code_heap_words(bool reset_inline_caches);
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void initialize_code_blocks();
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void primitive_modify_code_heap();
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code_heap_room code_room();
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void primitive_code_room();
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void primitive_strip_stack_traces();
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cell code_blocks();
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void primitive_code_blocks();
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// callbacks
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void init_callbacks(cell size);
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void primitive_callback();
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// image
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void init_objects(image_header* h);
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void load_data_heap(FILE* file, image_header* h, vm_parameters* p);
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void load_code_heap(FILE* file, image_header* h, vm_parameters* p);
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bool save_image(const vm_char* saving_filename, const vm_char* filename);
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void primitive_save_image();
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void primitive_save_image_and_exit();
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void fixup_data(cell data_offset, cell code_offset);
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void fixup_code(cell data_offset, cell code_offset);
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FILE* open_image(vm_parameters* p);
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void load_image(vm_parameters* p);
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bool read_embedded_image_footer(FILE* file, embedded_image_footer* footer);
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bool embedded_image_p();
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template <typename Iterator, typename Fixup>
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void iterate_callstack_object(callstack* stack_, Iterator& iterator,
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Fixup& fixup);
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template <typename Iterator>
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void iterate_callstack_object(callstack* stack_, Iterator& iterator);
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callstack* allot_callstack(cell size);
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void* second_from_top_stack_frame(context* ctx);
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cell capture_callstack(context* ctx);
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void primitive_callstack();
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void primitive_callstack_for();
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void* frame_predecessor(void* frame);
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void primitive_callstack_to_array();
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void primitive_innermost_stack_frame_executing();
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void primitive_innermost_stack_frame_scan();
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void primitive_set_innermost_stack_frame_quot();
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void primitive_callstack_bounds();
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template <typename Iterator, typename Fixup>
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void iterate_callstack(context* ctx, Iterator& iterator, Fixup& fixup);
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template <typename Iterator>
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void iterate_callstack(context* ctx, Iterator& iterator);
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// cpu-*
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void dispatch_signal_handler(cell* sp, cell* pc, cell newpc);
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// alien
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char* pinned_alien_offset(cell obj);
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cell allot_alien(cell delegate_, cell displacement);
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cell allot_alien(void* address);
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void primitive_displaced_alien();
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void primitive_alien_address();
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void* alien_pointer();
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void primitive_dlopen();
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void primitive_dlsym();
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void primitive_dlsym_raw();
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void primitive_dlclose();
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void primitive_dll_validp();
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char* alien_offset(cell obj);
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// quotations
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void primitive_jit_compile();
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void* lazy_jit_compile_entry_point();
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void primitive_array_to_quotation();
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void primitive_quotation_code();
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code_block* jit_compile_quot(cell owner_, cell quot_, bool relocating);
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void jit_compile_quot(cell quot_, bool relocating);
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fixnum quot_code_offset_to_scan(cell quot_, cell offset);
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cell lazy_jit_compile(cell quot);
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bool quot_compiled_p(quotation* quot);
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void primitive_quot_compiled_p();
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cell find_all_quotations();
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void initialize_all_quotations();
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// dispatch
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cell search_lookup_alist(cell table, cell klass);
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cell search_lookup_hash(cell table, cell klass, cell hashcode);
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cell nth_superclass(tuple_layout* layout, fixnum echelon);
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cell nth_hashcode(tuple_layout* layout, fixnum echelon);
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cell lookup_tuple_method(cell obj, cell methods);
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cell lookup_method(cell obj, cell methods);
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void primitive_lookup_method();
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cell object_class(cell obj);
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cell method_cache_hashcode(cell klass, array* array);
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void update_method_cache(cell cache, cell klass, cell method);
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void primitive_mega_cache_miss();
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void primitive_reset_dispatch_stats();
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void primitive_dispatch_stats();
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// inline cache
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void init_inline_caching(int max_size);
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void deallocate_inline_cache(cell return_address);
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cell determine_inline_cache_type(array* cache_entries);
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void update_pic_count(cell type);
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code_block* compile_inline_cache(fixnum index, cell generic_word_,
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cell methods_, cell cache_entries_,
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bool tail_call_p);
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void* megamorphic_call_stub(cell generic_word);
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cell inline_cache_size(cell cache_entries);
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cell add_inline_cache_entry(cell cache_entries_, cell klass_, cell method_);
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void update_pic_transitions(cell pic_size);
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void* inline_cache_miss(cell return_address);
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// entry points
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void c_to_factor(cell quot);
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template <typename Func> Func get_entry_point(cell n);
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void unwind_native_frames(cell quot, void* to);
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cell get_fpu_state();
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void set_fpu_state(cell state);
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// factor
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void default_parameters(vm_parameters* p);
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bool factor_arg(const vm_char* str, const vm_char* arg, cell* value);
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void init_parameters_from_args(vm_parameters* p, int argc, vm_char** argv);
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void prepare_boot_image();
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void init_factor(vm_parameters* p);
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void pass_args_to_factor(int argc, vm_char** argv);
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void start_factor(vm_parameters* p);
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void stop_factor();
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void start_embedded_factor(vm_parameters* p);
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void start_standalone_factor(int argc, vm_char** argv);
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char* factor_eval_string(char* string);
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void factor_eval_free(char* result);
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void factor_yield();
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void factor_sleep(long us);
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// os-*
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void primitive_existsp();
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void move_file(const vm_char* path1, const vm_char* path2);
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void init_ffi();
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void ffi_dlopen(dll* dll);
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void* ffi_dlsym(dll* dll, symbol_char* symbol);
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void* ffi_dlsym_raw(dll* dll, symbol_char* symbol);
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#ifdef FACTOR_PPC
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void* ffi_dlsym_toc(dll* dll, symbol_char* symbol);
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#endif
|
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void ffi_dlclose(dll* dll);
|
|
void c_to_factor_toplevel(cell quot);
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void init_signals();
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|
void start_sampling_profiler_timer();
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void end_sampling_profiler_timer();
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static void open_console();
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static void close_console();
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static void lock_console();
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static void unlock_console();
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|
static void ignore_ctrl_c();
|
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static void handle_ctrl_c();
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|
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// os-windows
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#if defined(WINDOWS)
|
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HANDLE sampler_thread;
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void sampler_thread_loop();
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|
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const vm_char* vm_executable_path();
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const vm_char* default_image_path();
|
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void windows_image_path(vm_char* full_path, vm_char* temp_path,
|
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unsigned int length);
|
|
BOOL windows_stat(vm_char* path);
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|
|
LONG exception_handler(PEXCEPTION_RECORD e, void* frame, PCONTEXT c,
|
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void* dispatch);
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|
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#else // UNIX
|
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void dispatch_signal(void* uap, void(handler)());
|
|
void unix_init_signals();
|
|
#endif
|
|
|
|
#ifdef __APPLE__
|
|
void call_fault_handler(exception_type_t exception,
|
|
exception_data_type_t code,
|
|
MACH_EXC_STATE_TYPE* exc_state,
|
|
MACH_THREAD_STATE_TYPE* thread_state,
|
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MACH_FLOAT_STATE_TYPE* float_state);
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#endif
|
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factor_vm(THREADHANDLE thread_id);
|
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~factor_vm();
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};
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}
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