VM: Refactor objects* to Factor style
parent
56ceeb582a
commit
228d813a7d
230
vm/objects.cpp
230
vm/objects.cpp
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@ -1,187 +1,167 @@
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#include "master.hpp"
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namespace factor
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{
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namespace factor {
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void factor_vm::primitive_special_object()
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{
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fixnum n = untag_fixnum(ctx->peek());
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ctx->replace(special_objects[n]);
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void factor_vm::primitive_special_object() {
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fixnum n = untag_fixnum(ctx->peek());
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ctx->replace(special_objects[n]);
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}
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void factor_vm::primitive_set_special_object()
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{
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fixnum n = untag_fixnum(ctx->pop());
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cell value = ctx->pop();
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special_objects[n] = value;
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void factor_vm::primitive_set_special_object() {
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fixnum n = untag_fixnum(ctx->pop());
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cell value = ctx->pop();
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special_objects[n] = value;
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}
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void factor_vm::primitive_identity_hashcode()
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{
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cell tagged = ctx->peek();
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object *obj = untag<object>(tagged);
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ctx->replace(tag_fixnum(obj->hashcode()));
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void factor_vm::primitive_identity_hashcode() {
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cell tagged = ctx->peek();
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object* obj = untag<object>(tagged);
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ctx->replace(tag_fixnum(obj->hashcode()));
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}
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void factor_vm::compute_identity_hashcode(object *obj)
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{
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object_counter++;
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if(object_counter == 0) object_counter++;
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obj->set_hashcode((cell)obj ^ object_counter);
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void factor_vm::compute_identity_hashcode(object* obj) {
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object_counter++;
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if (object_counter == 0)
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object_counter++;
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obj->set_hashcode((cell) obj ^ object_counter);
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}
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void factor_vm::primitive_compute_identity_hashcode()
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{
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object *obj = untag<object>(ctx->pop());
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compute_identity_hashcode(obj);
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void factor_vm::primitive_compute_identity_hashcode() {
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object* obj = untag<object>(ctx->pop());
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compute_identity_hashcode(obj);
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}
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void factor_vm::primitive_set_slot()
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{
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fixnum slot = untag_fixnum(ctx->pop());
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object *obj = untag<object>(ctx->pop());
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cell value = ctx->pop();
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void factor_vm::primitive_set_slot() {
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fixnum slot = untag_fixnum(ctx->pop());
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object* obj = untag<object>(ctx->pop());
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cell value = ctx->pop();
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cell *slot_ptr = &obj->slots()[slot];
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*slot_ptr = value;
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write_barrier(slot_ptr);
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cell* slot_ptr = &obj->slots()[slot];
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*slot_ptr = value;
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write_barrier(slot_ptr);
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}
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/* Allocates memory */
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cell factor_vm::clone_object(cell obj_)
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{
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data_root<object> obj(obj_,this);
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cell factor_vm::clone_object(cell obj_) {
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data_root<object> obj(obj_, this);
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if(immediate_p(obj.value()))
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return obj.value();
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else
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{
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cell size = object_size(obj.value());
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object *new_obj = allot_object(obj.type(),size);
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memcpy(new_obj,obj.untagged(),size);
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new_obj->set_hashcode(0);
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return tag_dynamic(new_obj);
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}
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if (immediate_p(obj.value()))
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return obj.value();
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else {
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cell size = object_size(obj.value());
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object* new_obj = allot_object(obj.type(), size);
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memcpy(new_obj, obj.untagged(), size);
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new_obj->set_hashcode(0);
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return tag_dynamic(new_obj);
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}
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}
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/* Allocates memory */
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void factor_vm::primitive_clone()
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{
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ctx->replace(clone_object(ctx->peek()));
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}
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void factor_vm::primitive_clone() { ctx->replace(clone_object(ctx->peek())); }
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/* Size of the object pointed to by a tagged pointer */
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cell factor_vm::object_size(cell tagged)
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{
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if(immediate_p(tagged))
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return 0;
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else
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return untag<object>(tagged)->size();
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cell factor_vm::object_size(cell tagged) {
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if (immediate_p(tagged))
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return 0;
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else
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return untag<object>(tagged)->size();
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}
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/* Allocates memory */
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void factor_vm::primitive_size()
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{
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ctx->push(from_unsigned_cell(object_size(ctx->pop())));
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void factor_vm::primitive_size() {
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ctx->push(from_unsigned_cell(object_size(ctx->pop())));
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}
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struct slot_become_fixup : no_fixup {
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std::map<object *,object *> *become_map;
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std::map<object*, object*>* become_map;
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explicit slot_become_fixup(std::map<object *,object *> *become_map_) :
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become_map(become_map_) {}
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explicit slot_become_fixup(std::map<object*, object*>* become_map_)
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: become_map(become_map_) {}
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object *fixup_data(object *old)
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{
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std::map<object *,object *>::const_iterator iter = become_map->find(old);
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if(iter != become_map->end())
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return iter->second;
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else
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return old;
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}
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object* fixup_data(object* old) {
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std::map<object*, object*>::const_iterator iter = become_map->find(old);
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if (iter != become_map->end())
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return iter->second;
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else
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return old;
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}
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};
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struct object_become_visitor {
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slot_visitor<slot_become_fixup> *workhorse;
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slot_visitor<slot_become_fixup>* workhorse;
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explicit object_become_visitor(slot_visitor<slot_become_fixup> *workhorse_) :
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workhorse(workhorse_) {}
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explicit object_become_visitor(slot_visitor<slot_become_fixup>* workhorse_)
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: workhorse(workhorse_) {}
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void operator()(object *obj)
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{
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workhorse->visit_slots(obj);
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}
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void operator()(object* obj) { workhorse->visit_slots(obj); }
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};
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struct code_block_become_visitor {
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slot_visitor<slot_become_fixup> *workhorse;
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slot_visitor<slot_become_fixup>* workhorse;
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explicit code_block_become_visitor(slot_visitor<slot_become_fixup> *workhorse_) :
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workhorse(workhorse_) {}
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explicit code_block_become_visitor(
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slot_visitor<slot_become_fixup>* workhorse_)
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: workhorse(workhorse_) {}
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void operator()(code_block *compiled, cell size)
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{
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workhorse->visit_code_block_objects(compiled);
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workhorse->visit_embedded_literals(compiled);
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}
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void operator()(code_block* compiled, cell size) {
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workhorse->visit_code_block_objects(compiled);
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workhorse->visit_embedded_literals(compiled);
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}
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};
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struct code_block_write_barrier_visitor {
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code_heap *code;
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code_heap* code;
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explicit code_block_write_barrier_visitor(code_heap *code_) :
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code(code_) {}
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explicit code_block_write_barrier_visitor(code_heap* code_) : code(code_) {}
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void operator()(code_block *compiled, cell size)
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{
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code->write_barrier(compiled);
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}
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void operator()(code_block* compiled, cell size) {
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code->write_barrier(compiled);
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}
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};
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/* classes.tuple uses this to reshape tuples; tools.deploy.shaker uses this
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to coalesce equal but distinct quotations and wrappers. */
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void factor_vm::primitive_become()
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{
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array *new_objects = untag_check<array>(ctx->pop());
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array *old_objects = untag_check<array>(ctx->pop());
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void factor_vm::primitive_become() {
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array* new_objects = untag_check<array>(ctx->pop());
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array* old_objects = untag_check<array>(ctx->pop());
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cell capacity = array_capacity(new_objects);
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if(capacity != array_capacity(old_objects))
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critical_error("bad parameters to become",0);
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cell capacity = array_capacity(new_objects);
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if (capacity != array_capacity(old_objects))
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critical_error("bad parameters to become", 0);
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/* Build the forwarding map */
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std::map<object *,object *> become_map;
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/* Build the forwarding map */
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std::map<object*, object*> become_map;
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for(cell i = 0; i < capacity; i++)
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{
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tagged<object> old_obj(array_nth(old_objects,i));
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tagged<object> new_obj(array_nth(new_objects,i));
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for (cell i = 0; i < capacity; i++) {
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tagged<object> old_obj(array_nth(old_objects, i));
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tagged<object> new_obj(array_nth(new_objects, i));
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if(old_obj != new_obj)
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become_map[old_obj.untagged()] = new_obj.untagged();
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}
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if (old_obj != new_obj)
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become_map[old_obj.untagged()] = new_obj.untagged();
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}
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/* Update all references to old objects to point to new objects */
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{
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slot_visitor<slot_become_fixup> workhorse(this,slot_become_fixup(&become_map));
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workhorse.visit_roots();
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workhorse.visit_contexts();
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/* Update all references to old objects to point to new objects */
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{
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slot_visitor<slot_become_fixup> workhorse(this,
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slot_become_fixup(&become_map));
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workhorse.visit_roots();
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workhorse.visit_contexts();
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object_become_visitor object_visitor(&workhorse);
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each_object(object_visitor);
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object_become_visitor object_visitor(&workhorse);
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each_object(object_visitor);
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code_block_become_visitor code_block_visitor(&workhorse);
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each_code_block(code_block_visitor);
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}
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code_block_become_visitor code_block_visitor(&workhorse);
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each_code_block(code_block_visitor);
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}
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/* Since we may have introduced old->new references, need to revisit
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all objects and code blocks on a minor GC. */
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data->mark_all_cards();
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/* Since we may have introduced old->new references, need to revisit
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all objects and code blocks on a minor GC. */
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data->mark_all_cards();
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{
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code_block_write_barrier_visitor code_block_visitor(code);
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each_code_block(code_block_visitor);
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}
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{
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code_block_write_barrier_visitor code_block_visitor(code);
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each_code_block(code_block_visitor);
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}
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}
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}
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188
vm/objects.hpp
188
vm/objects.hpp
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@ -1,5 +1,4 @@
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namespace factor
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{
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namespace factor {
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// Special object count and identifiers must be kept in sync with:
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// core/kernel/kernel.factor
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@ -8,130 +7,127 @@ namespace factor
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static const cell special_object_count = 80;
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enum special_object {
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OBJ_WALKER_HOOK = 3, /* non-local exit hook, used by library only */
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OBJ_CALLCC_1, /* used to pass the value in callcc1 */
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OBJ_WALKER_HOOK = 3, /* non-local exit hook, used by library only */
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OBJ_CALLCC_1, /* used to pass the value in callcc1 */
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ERROR_HANDLER_QUOT = 5, /* quotation called when VM throws an error */
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OBJ_ERROR, /* a marker consed onto kernel errors */
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ERROR_HANDLER_QUOT = 5, /* quotation called when VM throws an error */
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OBJ_ERROR, /* a marker consed onto kernel errors */
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OBJ_CELL_SIZE = 7, /* sizeof(cell) */
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OBJ_CPU, /* CPU architecture */
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OBJ_OS, /* operating system name */
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OBJ_CELL_SIZE = 7, /* sizeof(cell) */
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OBJ_CPU, /* CPU architecture */
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OBJ_OS, /* operating system name */
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OBJ_ARGS = 10, /* command line arguments */
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OBJ_STDIN, /* stdin FILE* handle */
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OBJ_STDOUT, /* stdout FILE* handle */
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OBJ_ARGS = 10, /* command line arguments */
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OBJ_STDIN, /* stdin FILE* handle */
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OBJ_STDOUT, /* stdout FILE* handle */
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OBJ_IMAGE = 13, /* image path name */
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OBJ_EXECUTABLE, /* runtime executable path name */
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OBJ_IMAGE = 13, /* image path name */
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OBJ_EXECUTABLE, /* runtime executable path name */
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OBJ_EMBEDDED = 15, /* are we embedded in another app? */
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OBJ_EVAL_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_YIELD_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_SLEEP_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_EMBEDDED = 15, /* are we embedded in another app? */
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OBJ_EVAL_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_YIELD_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_SLEEP_CALLBACK, /* used when Factor is embedded in a C app */
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OBJ_STARTUP_QUOT = 20, /* startup quotation */
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OBJ_GLOBAL, /* global namespace */
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OBJ_SHUTDOWN_QUOT, /* shutdown quotation */
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OBJ_STARTUP_QUOT = 20, /* startup quotation */
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OBJ_GLOBAL, /* global namespace */
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OBJ_SHUTDOWN_QUOT, /* shutdown quotation */
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/* Quotation compilation in quotations.c */
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JIT_PROLOG = 23,
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JIT_PRIMITIVE_WORD,
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JIT_PRIMITIVE,
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JIT_WORD_JUMP,
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JIT_WORD_CALL,
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JIT_IF_WORD,
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JIT_IF,
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JIT_SAFEPOINT,
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JIT_EPILOG,
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JIT_RETURN,
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JIT_PROFILING,
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JIT_PUSH_IMMEDIATE,
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JIT_DIP_WORD,
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JIT_DIP,
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JIT_2DIP_WORD,
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JIT_2DIP,
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JIT_3DIP_WORD,
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JIT_3DIP,
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JIT_EXECUTE,
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JIT_DECLARE_WORD,
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/* Quotation compilation in quotations.c */
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JIT_PROLOG = 23,
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JIT_PRIMITIVE_WORD,
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JIT_PRIMITIVE,
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JIT_WORD_JUMP,
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JIT_WORD_CALL,
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JIT_IF_WORD,
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JIT_IF,
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JIT_SAFEPOINT,
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JIT_EPILOG,
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JIT_RETURN,
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JIT_PROFILING,
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JIT_PUSH_IMMEDIATE,
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JIT_DIP_WORD,
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JIT_DIP,
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JIT_2DIP_WORD,
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JIT_2DIP,
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JIT_3DIP_WORD,
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JIT_3DIP,
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JIT_EXECUTE,
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JIT_DECLARE_WORD,
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/* External entry points */
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C_TO_FACTOR_WORD = 43,
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LAZY_JIT_COMPILE_WORD,
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UNWIND_NATIVE_FRAMES_WORD,
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GET_FPU_STATE_WORD,
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SET_FPU_STATE_WORD,
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SIGNAL_HANDLER_WORD,
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LEAF_SIGNAL_HANDLER_WORD,
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FFI_SIGNAL_HANDLER_WORD,
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FFI_LEAF_SIGNAL_HANDLER_WORD,
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/* External entry points */
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C_TO_FACTOR_WORD = 43,
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LAZY_JIT_COMPILE_WORD,
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UNWIND_NATIVE_FRAMES_WORD,
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GET_FPU_STATE_WORD,
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SET_FPU_STATE_WORD,
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SIGNAL_HANDLER_WORD,
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LEAF_SIGNAL_HANDLER_WORD,
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FFI_SIGNAL_HANDLER_WORD,
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FFI_LEAF_SIGNAL_HANDLER_WORD,
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/* Incremented on every modify-code-heap call; invalidates call( inline
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caching */
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REDEFINITION_COUNTER = 52,
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/* Incremented on every modify-code-heap call; invalidates call( inline
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caching */
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REDEFINITION_COUNTER = 52,
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/* Callback stub generation in callbacks.c */
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CALLBACK_STUB = 53,
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/* Callback stub generation in callbacks.c */
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CALLBACK_STUB = 53,
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/* Polymorphic inline cache generation in inline_cache.c */
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PIC_LOAD = 54,
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PIC_TAG,
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PIC_TUPLE,
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PIC_CHECK_TAG,
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PIC_CHECK_TUPLE,
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PIC_HIT,
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PIC_MISS_WORD,
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PIC_MISS_TAIL_WORD,
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/* Polymorphic inline cache generation in inline_cache.c */
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PIC_LOAD = 54,
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PIC_TAG,
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PIC_TUPLE,
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PIC_CHECK_TAG,
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PIC_CHECK_TUPLE,
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PIC_HIT,
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PIC_MISS_WORD,
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PIC_MISS_TAIL_WORD,
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/* Megamorphic cache generation in dispatch.c */
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MEGA_LOOKUP = 62,
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MEGA_LOOKUP_WORD,
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MEGA_MISS_WORD,
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/* Megamorphic cache generation in dispatch.c */
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MEGA_LOOKUP = 62,
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MEGA_LOOKUP_WORD,
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MEGA_MISS_WORD,
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OBJ_UNDEFINED = 65, /* default quotation for undefined words */
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OBJ_UNDEFINED = 65, /* default quotation for undefined words */
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OBJ_STDERR = 66, /* stderr FILE* handle */
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OBJ_STDERR = 66, /* stderr FILE* handle */
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OBJ_STAGE2 = 67, /* have we bootstrapped? */
|
||||
OBJ_STAGE2 = 67, /* have we bootstrapped? */
|
||||
|
||||
OBJ_CURRENT_THREAD = 68,
|
||||
OBJ_CURRENT_THREAD = 68,
|
||||
|
||||
OBJ_THREADS = 69,
|
||||
OBJ_RUN_QUEUE = 70,
|
||||
OBJ_SLEEP_QUEUE = 71,
|
||||
OBJ_THREADS = 69,
|
||||
OBJ_RUN_QUEUE = 70,
|
||||
OBJ_SLEEP_QUEUE = 71,
|
||||
|
||||
OBJ_VM_COMPILER = 72, /* version string of the compiler we were built with */
|
||||
OBJ_VM_COMPILER = 72, /* version string of the compiler we were built with */
|
||||
|
||||
OBJ_WAITING_CALLBACKS = 73,
|
||||
OBJ_WAITING_CALLBACKS = 73,
|
||||
|
||||
OBJ_SIGNAL_PIPE = 74, /* file descriptor for pipe used to communicate signals
|
||||
only used on unix */
|
||||
OBJ_SIGNAL_PIPE = 74, /* file descriptor for pipe used to communicate signals
|
||||
only used on unix */
|
||||
};
|
||||
|
||||
/* save-image-and-exit discards special objects that are filled in on startup
|
||||
anyway, to reduce image size */
|
||||
anyway, to reduce image size */
|
||||
#define OBJ_FIRST_SAVE OBJ_STARTUP_QUOT
|
||||
#define OBJ_LAST_SAVE OBJ_STAGE2
|
||||
|
||||
inline static bool save_special_p(cell i)
|
||||
{
|
||||
return (i >= OBJ_FIRST_SAVE && i <= OBJ_LAST_SAVE);
|
||||
inline static bool save_special_p(cell i) {
|
||||
return (i >= OBJ_FIRST_SAVE && i <= OBJ_LAST_SAVE);
|
||||
}
|
||||
|
||||
template<typename Iterator> void object::each_slot(Iterator &iter)
|
||||
{
|
||||
cell scan = (cell)this;
|
||||
cell payload_start = binary_payload_start();
|
||||
cell end = scan + payload_start;
|
||||
template <typename Iterator> void object::each_slot(Iterator& iter) {
|
||||
cell scan = (cell) this;
|
||||
cell payload_start = binary_payload_start();
|
||||
cell end = scan + payload_start;
|
||||
|
||||
scan += sizeof(cell);
|
||||
scan += sizeof(cell);
|
||||
|
||||
while(scan < end)
|
||||
{
|
||||
iter((cell *)scan);
|
||||
scan += sizeof(cell);
|
||||
}
|
||||
while (scan < end) {
|
||||
iter((cell*)scan);
|
||||
scan += sizeof(cell);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
Loading…
Reference in New Issue