185 lines
5.0 KiB
C++
185 lines
5.0 KiB
C++
#include "master.hpp"
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namespace factor {
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void init_globals() { init_mvm(); }
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// Compile code in boot image so that we can execute the startup quotation
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// Allocates memory
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void factor_vm::prepare_boot_image() {
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std::cout << "*** Stage 2 early init... " << std::flush;
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// Compile all words.
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data_root<array> words(instances(WORD_TYPE), this);
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cell n_words = array_capacity(words.untagged());
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for (cell i = 0; i < n_words; i++) {
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data_root<word> word(array_nth(words.untagged(), i), this);
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FACTOR_ASSERT(!word->entry_point);
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jit_compile_word(word.value(), word->def, false);
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}
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update_code_heap_words(true);
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// Initialize all quotations
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data_root<array> quotations(instances(QUOTATION_TYPE), this);
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cell n_quots = array_capacity(quotations.untagged());
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for (cell i = 0; i < n_quots; i++) {
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data_root<quotation> quot(array_nth(quotations.untagged(), i), this);
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if (!quot->entry_point)
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quot->entry_point = lazy_jit_compile_entry_point();
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}
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special_objects[OBJ_STAGE2] = special_objects[OBJ_CANONICAL_TRUE];
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std::cout << "done" << std::endl;
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}
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void factor_vm::init_factor(vm_parameters* p) {
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// Kilobytes
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p->datastack_size = align_page(p->datastack_size << 10);
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p->retainstack_size = align_page(p->retainstack_size << 10);
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p->callstack_size = align_page(p->callstack_size << 10);
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p->callback_size = align_page(p->callback_size << 10);
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// Megabytes
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p->young_size <<= 20;
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p->aging_size <<= 20;
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p->tenured_size <<= 20;
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p->code_size <<= 20;
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// Disable GC during init as a sanity check
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gc_off = true;
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// OS-specific initialization
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early_init();
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p->executable_path = vm_executable_path();
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if (p->image_path == NULL) {
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if (embedded_image_p()) {
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p->embedded_image = true;
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p->image_path = safe_strdup(p->executable_path);
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} else
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p->image_path = default_image_path();
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}
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srand((unsigned int)nano_count());
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init_ffi();
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datastack_size = p->datastack_size;
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retainstack_size = p->retainstack_size;
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callstack_size = p->callstack_size;
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ctx = NULL;
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spare_ctx = new_context();
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callbacks = new callback_heap(p->callback_size, this);
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load_image(p);
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max_pic_size = (int)p->max_pic_size;
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special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
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special_objects[OBJ_ARGS] = false_object;
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special_objects[OBJ_EMBEDDED] = false_object;
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cell aliens[][2] = {
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{OBJ_STDIN, (cell)stdin},
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{OBJ_STDOUT, (cell)stdout},
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{OBJ_STDERR, (cell)stderr},
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{OBJ_CPU, (cell)FACTOR_CPU_STRING},
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{OBJ_EXECUTABLE, (cell)safe_strdup(p->executable_path)},
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{OBJ_IMAGE, (cell)safe_strdup(p->image_path)},
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{OBJ_OS, (cell)FACTOR_OS_STRING},
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{OBJ_VM_COMPILE_TIME, (cell)FACTOR_COMPILE_TIME},
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{OBJ_VM_COMPILER, (cell)FACTOR_COMPILER_VERSION},
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{OBJ_VM_GIT_LABEL, (cell)FACTOR_STRINGIZE(FACTOR_GIT_LABEL)},
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{OBJ_VM_VERSION, (cell)FACTOR_STRINGIZE(FACTOR_VERSION)},
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#if defined(WINDOWS)
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{WIN_EXCEPTION_HANDLER, (cell)&factor::exception_handler}
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#endif
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};
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int n_items = sizeof(aliens) / sizeof(cell[2]);
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for (int n = 0; n < n_items; n++) {
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cell idx = aliens[n][0];
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special_objects[idx] = allot_alien(false_object, aliens[n][1]);
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}
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// We can GC now
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gc_off = false;
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if (!to_boolean(special_objects[OBJ_STAGE2]))
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prepare_boot_image();
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if (p->signals)
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init_signals();
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if (p->console)
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open_console();
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}
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// Allocates memory
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void factor_vm::pass_args_to_factor(int argc, vm_char** argv) {
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growable_array args(this);
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for (fixnum i = 0; i < argc; i++)
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args.add(allot_alien(false_object, (cell)argv[i]));
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args.trim();
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special_objects[OBJ_ARGS] = args.elements.value();
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}
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void factor_vm::stop_factor() {
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c_to_factor_toplevel(special_objects[OBJ_SHUTDOWN_QUOT]);
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}
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char* factor_vm::factor_eval_string(char* string) {
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void* func = alien_offset(special_objects[OBJ_EVAL_CALLBACK]);
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CODE_TO_FUNCTION_POINTER(func);
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return ((char * (*)(char*)) func)(string);
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}
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void factor_vm::factor_eval_free(char* result) { free(result); }
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void factor_vm::factor_yield() {
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void* func = alien_offset(special_objects[OBJ_YIELD_CALLBACK]);
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CODE_TO_FUNCTION_POINTER(func);
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((void(*)()) func)();
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}
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void factor_vm::factor_sleep(long us) {
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void* func = alien_offset(special_objects[OBJ_SLEEP_CALLBACK]);
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CODE_TO_FUNCTION_POINTER(func);
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((void(*)(long)) func)(us);
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}
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void factor_vm::start_standalone_factor(int argc, vm_char** argv) {
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vm_parameters p;
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p.init_from_args(argc, argv);
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init_factor(&p);
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pass_args_to_factor(argc, argv);
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if (p.fep)
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factorbug();
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c_to_factor_toplevel(special_objects[OBJ_STARTUP_QUOT]);
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}
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factor_vm* new_factor_vm() {
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THREADHANDLE thread = thread_id();
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factor_vm* newvm = new factor_vm(thread);
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register_vm_with_thread(newvm);
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thread_vms[thread] = newvm;
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return newvm;
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}
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VM_C_API void start_standalone_factor(int argc, vm_char** argv) {
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factor_vm* newvm = new_factor_vm();
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newvm->start_standalone_factor(argc, argv);
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delete newvm;
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}
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}
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