gc_event::gc_event(gc_op op, factor_vm* parent)
: op(op),
cards_scanned(0),
decks_scanned(0),
code_blocks_scanned(0),
start_time(nano_count()),
card_scan_time(0),
code_scan_time(0),
data_sweep_time(0),
code_sweep_time(0),
compaction_time(0) {
data_heap_before = parent->data_room();
code_heap_before = parent->code->allocator->as_allocator_room();
start_time = nano_count();
}
gc_state::gc_state(gc_op op, factor_vm* parent) : op(op) {
if (parent->gc_events) {
event = new gc_event(op, parent);
start_time = nano_count();
} else
event = NULL;
}
void factor_vm::init_factor(vm_parameters *p)
{
/* Kilobytes */
p->datastack_size = align_page(p->datastack_size << 10);
p->retainstack_size = align_page(p->retainstack_size << 10);
p->callstack_size = align_page(p->callstack_size << 10);
p->callback_size = align_page(p->callback_size << 10);
/* Megabytes */
p->young_size <<= 20;
p->aging_size <<= 20;
p->tenured_size <<= 20;
p->code_size <<= 20;
/* Disable GC during init as a sanity check */
gc_off = true;
/* OS-specific initialization */
early_init();
const vm_char *executable_path = vm_executable_path();
if(executable_path)
p->executable_path = executable_path;
if(p->image_path == NULL)
p->image_path = default_image_path();
srand((unsigned int)nano_count());
init_ffi();
init_contexts(p->datastack_size,p->retainstack_size,p->callstack_size);
init_callbacks(p->callback_size);
load_image(p);
init_c_io();
init_inline_caching((int)p->max_pic_size);
if(p->signals)
init_signals();
if(p->console)
open_console();
init_profiler();
special_objects[OBJ_CPU] = allot_alien(false_object,(cell)FACTOR_CPU_STRING);
special_objects[OBJ_OS] = allot_alien(false_object,(cell)FACTOR_OS_STRING);
special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
special_objects[OBJ_EXECUTABLE] = allot_alien(false_object,(cell)p->executable_path);
special_objects[OBJ_ARGS] = false_object;
special_objects[OBJ_EMBEDDED] = false_object;
special_objects[OBJ_VM_COMPILER] = allot_alien(false_object,(cell)FACTOR_COMPILER_VERSION);
/* We can GC now */
gc_off = false;
if(!to_boolean(special_objects[OBJ_STAGE2]))
prepare_boot_image();
}
void gc_event::ended_gc(factor_vm* parent) {
data_heap_after = parent->data_room();
code_heap_after = parent->code->allocator->as_allocator_room();
total_time = (cell)(nano_count() - start_time);
}
void gc_event::ended_compaction() {
compaction_time = (cell)(nano_count() - temp_time);
}
void gc_event::started_compaction() { temp_time = nano_count(); }
void gc_event::ended_code_sweep() {
code_sweep_time = (cell)(nano_count() - temp_time);
}
void gc_event::started_code_sweep() { temp_time = nano_count(); }
void gc_event::ended_data_sweep() {
data_sweep_time = (cell)(nano_count() - temp_time);
}
void gc_event::ended_code_scan(cell code_blocks_scanned_) {
code_blocks_scanned += code_blocks_scanned_;
code_scan_time = (cell)(nano_count() - temp_time);
}
void gc_event::ended_card_scan(cell cards_scanned_, cell decks_scanned_) {
cards_scanned += cards_scanned_;
decks_scanned += decks_scanned_;
card_scan_time = (cell)(nano_count() - temp_time);
}
void gc_event::started_card_scan() { temp_time = nano_count(); }
gc_state::gc_state(gc_op op_, factor_vm *parent) : op(op_), start_time(nano_count())
{
event = new gc_event(op,parent);
}
void gc_event::ended_gc(factor_vm *parent)
{
data_heap_after = parent->data_room();
code_heap_after = parent->code_room();
total_time = nano_count() - start_time;
}
void factor_vm::init_factor(vm_parameters* p) {
// Kilobytes
p->datastack_size = align_page(p->datastack_size << 10);
p->retainstack_size = align_page(p->retainstack_size << 10);
p->callstack_size = align_page(p->callstack_size << 10);
p->callback_size = align_page(p->callback_size << 10);
// Megabytes
p->young_size <<= 20;
p->aging_size <<= 20;
p->tenured_size <<= 20;
p->code_size <<= 20;
// Disable GC during init as a sanity check
gc_off = true;
// OS-specific initialization
early_init();
p->executable_path = vm_executable_path();
if (p->image_path == NULL) {
if (embedded_image_p()) {
p->embedded_image = true;
p->image_path = safe_strdup(p->executable_path);
} else
p->image_path = default_image_path();
}
srand((unsigned int)nano_count());
init_ffi();
datastack_size = p->datastack_size;
retainstack_size = p->retainstack_size;
callstack_size = p->callstack_size;
ctx = NULL;
spare_ctx = new_context();
callbacks = new callback_heap(p->callback_size, this);
load_image(p);
max_pic_size = (int)p->max_pic_size;
special_objects[OBJ_CELL_SIZE] = tag_fixnum(sizeof(cell));
special_objects[OBJ_ARGS] = false_object;
special_objects[OBJ_EMBEDDED] = false_object;
cell aliens[][2] = {
{OBJ_STDIN, (cell)stdin},
{OBJ_STDOUT, (cell)stdout},
{OBJ_STDERR, (cell)stderr},
{OBJ_CPU, (cell)FACTOR_CPU_STRING},
{OBJ_EXECUTABLE, (cell)safe_strdup(p->executable_path)},
{OBJ_IMAGE, (cell)safe_strdup(p->image_path)},
{OBJ_OS, (cell)FACTOR_OS_STRING},
{OBJ_VM_COMPILE_TIME, (cell)FACTOR_COMPILE_TIME},
{OBJ_VM_COMPILER, (cell)FACTOR_COMPILER_VERSION},
{OBJ_VM_GIT_LABEL, (cell)FACTOR_STRINGIZE(FACTOR_GIT_LABEL)},
{OBJ_VM_VERSION, (cell)FACTOR_STRINGIZE(FACTOR_VERSION)},
#if defined(WINDOWS)
{WIN_EXCEPTION_HANDLER, (cell)&factor::exception_handler}
#endif
};
int n_items = sizeof(aliens) / sizeof(cell[2]);
for (int n = 0; n < n_items; n++) {
cell idx = aliens[n][0];
special_objects[idx] = allot_alien(false_object, aliens[n][1]);
}
// We can GC now
gc_off = false;
if (!to_boolean(special_objects[OBJ_STAGE2]))
prepare_boot_image();
if (p->signals)
init_signals();
if (p->console)
open_console();
}
