8000780: make Zero build and run with JDK8

Reviewed-by: coleenp, dholmes, twisti
This commit is contained in:
Roman Kennke 2012-10-29 11:08:48 -07:00 committed by Christian Thalinger
parent f0534ca470
commit e184d5cc4e
21 changed files with 323 additions and 617 deletions

View file

@ -180,25 +180,6 @@ void CppInterpreter::main_loop(int recurse, TRAPS) {
method, istate->osr_entry(), istate->osr_buf(), THREAD);
return;
}
else if (istate->msg() == BytecodeInterpreter::call_method_handle) {
oop method_handle = istate->callee();
// Trim back the stack to put the parameters at the top
stack->set_sp(istate->stack() + 1);
// Make the call
process_method_handle(method_handle, THREAD);
fixup_after_potential_safepoint();
// Convert the result
istate->set_stack(stack->sp() - 1);
// Restore the stack
stack->set_sp(istate->stack_limit() + 1);
// Resume the interpreter
istate->set_msg(BytecodeInterpreter::method_resume);
}
else {
ShouldNotReachHere();
}
@ -535,35 +516,35 @@ int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) {
if (entry->is_volatile()) {
switch (entry->flag_state()) {
case ctos:
SET_LOCALS_INT(object->char_field_acquire(entry->f2()), 0);
SET_LOCALS_INT(object->char_field_acquire(entry->f2_as_index()), 0);
break;
case btos:
SET_LOCALS_INT(object->byte_field_acquire(entry->f2()), 0);
SET_LOCALS_INT(object->byte_field_acquire(entry->f2_as_index()), 0);
break;
case stos:
SET_LOCALS_INT(object->short_field_acquire(entry->f2()), 0);
SET_LOCALS_INT(object->short_field_acquire(entry->f2_as_index()), 0);
break;
case itos:
SET_LOCALS_INT(object->int_field_acquire(entry->f2()), 0);
SET_LOCALS_INT(object->int_field_acquire(entry->f2_as_index()), 0);
break;
case ltos:
SET_LOCALS_LONG(object->long_field_acquire(entry->f2()), 0);
SET_LOCALS_LONG(object->long_field_acquire(entry->f2_as_index()), 0);
break;
case ftos:
SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2()), 0);
SET_LOCALS_FLOAT(object->float_field_acquire(entry->f2_as_index()), 0);
break;
case dtos:
SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2()), 0);
SET_LOCALS_DOUBLE(object->double_field_acquire(entry->f2_as_index()), 0);
break;
case atos:
SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2()), 0);
SET_LOCALS_OBJECT(object->obj_field_acquire(entry->f2_as_index()), 0);
break;
default:
@ -573,35 +554,35 @@ int CppInterpreter::accessor_entry(Method* method, intptr_t UNUSED, TRAPS) {
else {
switch (entry->flag_state()) {
case ctos:
SET_LOCALS_INT(object->char_field(entry->f2()), 0);
SET_LOCALS_INT(object->char_field(entry->f2_as_index()), 0);
break;
case btos:
SET_LOCALS_INT(object->byte_field(entry->f2()), 0);
SET_LOCALS_INT(object->byte_field(entry->f2_as_index()), 0);
break;
case stos:
SET_LOCALS_INT(object->short_field(entry->f2()), 0);
SET_LOCALS_INT(object->short_field(entry->f2_as_index()), 0);
break;
case itos:
SET_LOCALS_INT(object->int_field(entry->f2()), 0);
SET_LOCALS_INT(object->int_field(entry->f2_as_index()), 0);
break;
case ltos:
SET_LOCALS_LONG(object->long_field(entry->f2()), 0);
SET_LOCALS_LONG(object->long_field(entry->f2_as_index()), 0);
break;
case ftos:
SET_LOCALS_FLOAT(object->float_field(entry->f2()), 0);
SET_LOCALS_FLOAT(object->float_field(entry->f2_as_index()), 0);
break;
case dtos:
SET_LOCALS_DOUBLE(object->double_field(entry->f2()), 0);
SET_LOCALS_DOUBLE(object->double_field(entry->f2_as_index()), 0);
break;
case atos:
SET_LOCALS_OBJECT(object->obj_field(entry->f2()), 0);
SET_LOCALS_OBJECT(object->obj_field(entry->f2_as_index()), 0);
break;
default:
@ -629,516 +610,6 @@ int CppInterpreter::empty_entry(Method* method, intptr_t UNUSED, TRAPS) {
return 0;
}
int CppInterpreter::method_handle_entry(Method* method,
intptr_t UNUSED, TRAPS) {
JavaThread *thread = (JavaThread *) THREAD;
ZeroStack *stack = thread->zero_stack();
int argument_slots = method->size_of_parameters();
int result_slots = type2size[result_type_of(method)];
intptr_t *vmslots = stack->sp();
intptr_t *unwind_sp = vmslots + argument_slots;
// Find the MethodType
address p = (address) method;
for (jint* pc = method->method_type_offsets_chain(); (*pc) != -1; pc++) {
p = *(address*)(p + (*pc));
}
oop method_type = (oop) p;
// The MethodHandle is in the slot after the arguments
int num_vmslots = argument_slots - 1;
oop method_handle = VMSLOTS_OBJECT(num_vmslots);
// InvokeGeneric requires some extra shuffling
oop mhtype = java_lang_invoke_MethodHandle::type(method_handle);
bool is_exact = mhtype == method_type;
if (!is_exact) {
if (true || // FIXME
method->intrinsic_id() == vmIntrinsics::_invokeExact) {
CALL_VM_NOCHECK_NOFIX(
SharedRuntime::throw_WrongMethodTypeException(
thread, method_type, mhtype));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
stack->set_sp(unwind_sp);
return 0;
}
assert(method->intrinsic_id() == vmIntrinsics::_invokeGeneric, "should be");
// Load up an adapter from the calling type
// NB the x86 code for this (in methodHandles_x86.cpp, search for
// "genericInvoker") is really really odd. I'm hoping it's trying
// to accomodate odd VM/class library combinations I can ignore.
oop adapter = NULL; //FIXME: load the adapter from the CP cache
IF (adapter == NULL) {
CALL_VM_NOCHECK_NOFIX(
SharedRuntime::throw_WrongMethodTypeException(
thread, method_type, mhtype));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
stack->set_sp(unwind_sp);
return 0;
}
// Adapters are shared among form-families of method-type. The
// type being called is passed as a trusted first argument so that
// the adapter knows the actual types of its arguments and return
// values.
insert_vmslots(num_vmslots + 1, 1, THREAD);
if (HAS_PENDING_EXCEPTION) {
// NB all oops trashed!
stack->set_sp(unwind_sp);
return 0;
}
vmslots = stack->sp();
num_vmslots++;
SET_VMSLOTS_OBJECT(method_type, num_vmslots);
method_handle = adapter;
}
// Start processing
process_method_handle(method_handle, THREAD);
if (HAS_PENDING_EXCEPTION)
result_slots = 0;
// If this is an invokeExact then the eventual callee will not
// have unwound the method handle argument so we have to do it.
// If a result is being returned the it will be above the method
// handle argument we're unwinding.
if (is_exact) {
intptr_t result[2];
for (int i = 0; i < result_slots; i++)
result[i] = stack->pop();
stack->pop();
for (int i = result_slots - 1; i >= 0; i--)
stack->push(result[i]);
}
// Check
assert(stack->sp() == unwind_sp - result_slots, "should be");
// No deoptimized frames on the stack
return 0;
}
void CppInterpreter::process_method_handle(oop method_handle, TRAPS) {
JavaThread *thread = (JavaThread *) THREAD;
ZeroStack *stack = thread->zero_stack();
intptr_t *vmslots = stack->sp();
bool direct_to_method = false;
BasicType src_rtype = T_ILLEGAL;
BasicType dst_rtype = T_ILLEGAL;
MethodHandleEntry *entry =
java_lang_invoke_MethodHandle::vmentry(method_handle);
MethodHandles::EntryKind entry_kind =
(MethodHandles::EntryKind) (((intptr_t) entry) & 0xffffffff);
Method* method = NULL;
switch (entry_kind) {
case MethodHandles::_invokestatic_mh:
direct_to_method = true;
break;
case MethodHandles::_invokespecial_mh:
case MethodHandles::_invokevirtual_mh:
case MethodHandles::_invokeinterface_mh:
{
oop receiver =
VMSLOTS_OBJECT(
java_lang_invoke_MethodHandle::vmslots(method_handle) - 1);
if (receiver == NULL) {
stack->set_sp(calculate_unwind_sp(stack, method_handle));
CALL_VM_NOCHECK_NOFIX(
throw_exception(
thread, vmSymbols::java_lang_NullPointerException()));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
return;
}
if (entry_kind != MethodHandles::_invokespecial_mh) {
intptr_t index = java_lang_invoke_DirectMethodHandle::vmindex(method_handle);
InstanceKlass* rcvrKlass =
(InstanceKlass *) receiver->klass();
if (entry_kind == MethodHandles::_invokevirtual_mh) {
method = (Method*) rcvrKlass->start_of_vtable()[index];
}
else {
oop iclass = java_lang_invoke_MethodHandle::next_target(method_handle);
itableOffsetEntry* ki =
(itableOffsetEntry *) rcvrKlass->start_of_itable();
int i, length = rcvrKlass->itable_length();
for (i = 0; i < length; i++, ki++ ) {
if (ki->interface_klass() == iclass)
break;
}
if (i == length) {
stack->set_sp(calculate_unwind_sp(stack, method_handle));
CALL_VM_NOCHECK_NOFIX(
throw_exception(
thread, vmSymbols::java_lang_IncompatibleClassChangeError()));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
return;
}
itableMethodEntry* im = ki->first_method_entry(receiver->klass());
method = im[index].method();
if (method == NULL) {
stack->set_sp(calculate_unwind_sp(stack, method_handle));
CALL_VM_NOCHECK_NOFIX(
throw_exception(
thread, vmSymbols::java_lang_AbstractMethodError()));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
return;
}
}
}
}
direct_to_method = true;
break;
case MethodHandles::_bound_ref_direct_mh:
case MethodHandles::_bound_int_direct_mh:
case MethodHandles::_bound_long_direct_mh:
direct_to_method = true;
// fall through
case MethodHandles::_bound_ref_mh:
case MethodHandles::_bound_int_mh:
case MethodHandles::_bound_long_mh:
{
BasicType arg_type = T_ILLEGAL;
int arg_mask = -1;
int arg_slots = -1;
MethodHandles::get_ek_bound_mh_info(
entry_kind, arg_type, arg_mask, arg_slots);
int arg_slot =
java_lang_invoke_BoundMethodHandle::vmargslot(method_handle);
// Create the new slot(s)
intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
insert_vmslots(arg_slot, arg_slots, THREAD);
if (HAS_PENDING_EXCEPTION) {
// all oops trashed
stack->set_sp(unwind_sp);
return;
}
vmslots = stack->sp();
// Store bound argument into new stack slot
oop arg = java_lang_invoke_BoundMethodHandle::argument(method_handle);
if (arg_type == T_OBJECT) {
assert(arg_slots == 1, "should be");
SET_VMSLOTS_OBJECT(arg, arg_slot);
}
else {
jvalue arg_value;
arg_type = java_lang_boxing_object::get_value(arg, &arg_value);
switch (arg_type) {
case T_BOOLEAN:
SET_VMSLOTS_INT(arg_value.z, arg_slot);
break;
case T_CHAR:
SET_VMSLOTS_INT(arg_value.c, arg_slot);
break;
case T_BYTE:
SET_VMSLOTS_INT(arg_value.b, arg_slot);
break;
case T_SHORT:
SET_VMSLOTS_INT(arg_value.s, arg_slot);
break;
case T_INT:
SET_VMSLOTS_INT(arg_value.i, arg_slot);
break;
case T_FLOAT:
SET_VMSLOTS_FLOAT(arg_value.f, arg_slot);
break;
case T_LONG:
SET_VMSLOTS_LONG(arg_value.j, arg_slot + 1);
break;
case T_DOUBLE:
SET_VMSLOTS_DOUBLE(arg_value.d, arg_slot + 1);
break;
default:
tty->print_cr("unhandled type %s", type2name(arg_type));
ShouldNotReachHere();
}
}
}
break;
case MethodHandles::_adapter_retype_only:
case MethodHandles::_adapter_retype_raw:
src_rtype = result_type_of_handle(
java_lang_invoke_MethodHandle::next_target(method_handle));
dst_rtype = result_type_of_handle(method_handle);
break;
case MethodHandles::_adapter_check_cast:
{
int arg_slot =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
oop arg = VMSLOTS_OBJECT(arg_slot);
if (arg != NULL) {
Klass* objKlassOop = arg->klass();
Klass* klassOf = java_lang_Class::as_Klass(
java_lang_invoke_AdapterMethodHandle::argument(method_handle));
if (objKlassOop != klassOf &&
!objKlassOop->is_subtype_of(klassOf)) {
ResourceMark rm(THREAD);
const char* objName = Klass::cast(objKlassOop)->external_name();
const char* klassName = Klass::cast(klassOf)->external_name();
char* message = SharedRuntime::generate_class_cast_message(
objName, klassName);
stack->set_sp(calculate_unwind_sp(stack, method_handle));
CALL_VM_NOCHECK_NOFIX(
throw_exception(
thread, vmSymbols::java_lang_ClassCastException(), message));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
return;
}
}
}
break;
case MethodHandles::_adapter_dup_args:
{
int arg_slot =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
int conv =
java_lang_invoke_AdapterMethodHandle::conversion(method_handle);
int num_slots = -MethodHandles::adapter_conversion_stack_move(conv);
assert(num_slots > 0, "should be");
// Create the new slot(s)
intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
stack->overflow_check(num_slots, THREAD);
if (HAS_PENDING_EXCEPTION) {
// all oops trashed
stack->set_sp(unwind_sp);
return;
}
// Duplicate the arguments
for (int i = num_slots - 1; i >= 0; i--)
stack->push(*VMSLOTS_SLOT(arg_slot + i));
vmslots = stack->sp(); // unused, but let the compiler figure that out
}
break;
case MethodHandles::_adapter_drop_args:
{
int arg_slot =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
int conv =
java_lang_invoke_AdapterMethodHandle::conversion(method_handle);
int num_slots = MethodHandles::adapter_conversion_stack_move(conv);
assert(num_slots > 0, "should be");
remove_vmslots(arg_slot, num_slots, THREAD); // doesn't trap
vmslots = stack->sp(); // unused, but let the compiler figure that out
}
break;
case MethodHandles::_adapter_opt_swap_1:
case MethodHandles::_adapter_opt_swap_2:
case MethodHandles::_adapter_opt_rot_1_up:
case MethodHandles::_adapter_opt_rot_1_down:
case MethodHandles::_adapter_opt_rot_2_up:
case MethodHandles::_adapter_opt_rot_2_down:
{
int arg1 =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
int conv =
java_lang_invoke_AdapterMethodHandle::conversion(method_handle);
int arg2 = MethodHandles::adapter_conversion_vminfo(conv);
int swap_bytes = 0, rotate = 0;
MethodHandles::get_ek_adapter_opt_swap_rot_info(
entry_kind, swap_bytes, rotate);
int swap_slots = swap_bytes >> LogBytesPerWord;
intptr_t tmp;
switch (rotate) {
case 0: // swap
for (int i = 0; i < swap_slots; i++) {
tmp = *VMSLOTS_SLOT(arg1 + i);
SET_VMSLOTS_SLOT(VMSLOTS_SLOT(arg2 + i), arg1 + i);
SET_VMSLOTS_SLOT(&tmp, arg2 + i);
}
break;
case 1: // up
assert(arg1 - swap_slots > arg2, "should be");
tmp = *VMSLOTS_SLOT(arg1);
for (int i = arg1 - swap_slots; i >= arg2; i--)
SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i + swap_slots);
SET_VMSLOTS_SLOT(&tmp, arg2);
break;
case -1: // down
assert(arg2 - swap_slots > arg1, "should be");
tmp = *VMSLOTS_SLOT(arg1);
for (int i = arg1 + swap_slots; i <= arg2; i++)
SET_VMSLOTS_SLOT(VMSLOTS_SLOT(i), i - swap_slots);
SET_VMSLOTS_SLOT(&tmp, arg2);
break;
default:
ShouldNotReachHere();
}
}
break;
case MethodHandles::_adapter_opt_i2l:
{
int arg_slot =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
int arg = VMSLOTS_INT(arg_slot);
intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
insert_vmslots(arg_slot, 1, THREAD);
if (HAS_PENDING_EXCEPTION) {
// all oops trashed
stack->set_sp(unwind_sp);
return;
}
vmslots = stack->sp();
arg_slot++;
SET_VMSLOTS_LONG(arg, arg_slot);
}
break;
case MethodHandles::_adapter_opt_unboxi:
case MethodHandles::_adapter_opt_unboxl:
{
int arg_slot =
java_lang_invoke_AdapterMethodHandle::vmargslot(method_handle);
oop arg = VMSLOTS_OBJECT(arg_slot);
jvalue arg_value;
if (arg == NULL) {
// queue a nullpointer exception for the caller
stack->set_sp(calculate_unwind_sp(stack, method_handle));
CALL_VM_NOCHECK_NOFIX(
throw_exception(
thread, vmSymbols::java_lang_NullPointerException()));
// NB all oops trashed!
assert(HAS_PENDING_EXCEPTION, "should do");
return;
}
BasicType arg_type = java_lang_boxing_object::get_value(arg, &arg_value);
if (arg_type == T_LONG || arg_type == T_DOUBLE) {
intptr_t *unwind_sp = calculate_unwind_sp(stack, method_handle);
insert_vmslots(arg_slot, 1, THREAD);
if (HAS_PENDING_EXCEPTION) {
// all oops trashed
stack->set_sp(unwind_sp);
return;
}
vmslots = stack->sp();
arg_slot++;
}
switch (arg_type) {
case T_BOOLEAN:
SET_VMSLOTS_INT(arg_value.z, arg_slot);
break;
case T_CHAR:
SET_VMSLOTS_INT(arg_value.c, arg_slot);
break;
case T_BYTE:
SET_VMSLOTS_INT(arg_value.b, arg_slot);
break;
case T_SHORT:
SET_VMSLOTS_INT(arg_value.s, arg_slot);
break;
case T_INT:
SET_VMSLOTS_INT(arg_value.i, arg_slot);
break;
case T_FLOAT:
SET_VMSLOTS_FLOAT(arg_value.f, arg_slot);
break;
case T_LONG:
SET_VMSLOTS_LONG(arg_value.j, arg_slot);
break;
case T_DOUBLE:
SET_VMSLOTS_DOUBLE(arg_value.d, arg_slot);
break;
default:
tty->print_cr("unhandled type %s", type2name(arg_type));
ShouldNotReachHere();
}
}
break;
default:
tty->print_cr("unhandled entry_kind %s",
MethodHandles::entry_name(entry_kind));
ShouldNotReachHere();
}
// Continue along the chain
if (direct_to_method) {
if (method == NULL) {
method =
(Method*) java_lang_invoke_MethodHandle::vmtarget(method_handle);
}
address entry_point = method->from_interpreted_entry();
Interpreter::invoke_method(method, entry_point, THREAD);
}
else {
process_method_handle(
java_lang_invoke_MethodHandle::next_target(method_handle), THREAD);
}
// NB all oops now trashed
// Adapt the result type, if necessary
if (src_rtype != dst_rtype && !HAS_PENDING_EXCEPTION) {
switch (dst_rtype) {
case T_VOID:
for (int i = 0; i < type2size[src_rtype]; i++)
stack->pop();
return;
case T_INT:
switch (src_rtype) {
case T_VOID:
stack->overflow_check(1, CHECK);
stack->push(0);
return;
case T_BOOLEAN:
case T_CHAR:
case T_BYTE:
case T_SHORT:
return;
}
// INT results sometimes need narrowing
case T_BOOLEAN:
case T_CHAR:
case T_BYTE:
case T_SHORT:
switch (src_rtype) {
case T_INT:
return;
}
}
tty->print_cr("unhandled conversion:");
tty->print_cr("src_rtype = %s", type2name(src_rtype));
tty->print_cr("dst_rtype = %s", type2name(dst_rtype));
ShouldNotReachHere();
}
}
// The new slots will be inserted before slot insert_before.
// Slots < insert_before will have the same slot number after the insert.
// Slots >= insert_before will become old_slot + num_slots.
@ -1380,10 +851,6 @@ address AbstractInterpreterGenerator::generate_method_entry(
entry_point = ((InterpreterGenerator*) this)->generate_abstract_entry();
break;
case Interpreter::method_handle:
entry_point = ((InterpreterGenerator*) this)->generate_method_handle_entry();
break;
case Interpreter::java_lang_math_sin:
case Interpreter::java_lang_math_cos:
case Interpreter::java_lang_math_tan:
@ -1391,6 +858,8 @@ address AbstractInterpreterGenerator::generate_method_entry(
case Interpreter::java_lang_math_log:
case Interpreter::java_lang_math_log10:
case Interpreter::java_lang_math_sqrt:
case Interpreter::java_lang_math_pow:
case Interpreter::java_lang_math_exp:
entry_point = ((InterpreterGenerator*) this)->generate_math_entry(kind);
break;