8155672: Remove instanceKlassHandles and KlassHandles

Use unhandled pointers for Klass and InstanceKlass, remove handles with no implementation.

Reviewed-by: dholmes, lfoltan, vlivanov, sspitsyn
This commit is contained in:
Coleen Phillimore 2017-03-15 10:25:37 -04:00
parent 7bca463789
commit 4b9562288f
152 changed files with 1892 additions and 2112 deletions

View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -675,7 +675,7 @@ address SharedRuntime::compute_compiled_exc_handler(CompiledMethod* cm, address
do {
bool skip_scope_increment = false;
// exception handler lookup
KlassHandle ek (THREAD, exception->klass());
Klass* ek = exception->klass();
methodHandle mh(THREAD, sd->method());
handler_bci = Method::fast_exception_handler_bci_for(mh, ek, bci, THREAD);
if (HAS_PENDING_EXCEPTION) {
@ -1185,7 +1185,7 @@ Handle SharedRuntime::find_callee_info_helper(JavaThread* thread,
// Check that the receiver klass is of the right subtype and that it is initialized for virtual calls
if (has_receiver) {
assert(receiver.not_null(), "should have thrown exception");
KlassHandle receiver_klass(THREAD, receiver->klass());
Klass* receiver_klass = receiver->klass();
Klass* rk = NULL;
if (attached_method.not_null()) {
// In case there's resolved method attached, use its holder during the check.
@ -1195,16 +1195,16 @@ Handle SharedRuntime::find_callee_info_helper(JavaThread* thread,
constantPoolHandle constants(THREAD, caller->constants());
rk = constants->klass_ref_at(bytecode_index, CHECK_NH);
}
KlassHandle static_receiver_klass(THREAD, rk);
Klass* static_receiver_klass = rk;
methodHandle callee = callinfo.selected_method();
assert(receiver_klass->is_subtype_of(static_receiver_klass()),
assert(receiver_klass->is_subtype_of(static_receiver_klass),
"actual receiver must be subclass of static receiver klass");
if (receiver_klass->is_instance_klass()) {
if (InstanceKlass::cast(receiver_klass())->is_not_initialized()) {
if (InstanceKlass::cast(receiver_klass)->is_not_initialized()) {
tty->print_cr("ERROR: Klass not yet initialized!!");
receiver_klass()->print();
receiver_klass->print();
}
assert(!InstanceKlass::cast(receiver_klass())->is_not_initialized(), "receiver_klass must be initialized");
assert(!InstanceKlass::cast(receiver_klass)->is_not_initialized(), "receiver_klass must be initialized");
}
}
#endif
@ -1363,8 +1363,8 @@ methodHandle SharedRuntime::resolve_sub_helper(JavaThread *thread,
if (is_virtual) {
assert(receiver.not_null() || invoke_code == Bytecodes::_invokehandle, "sanity check");
bool static_bound = call_info.resolved_method()->can_be_statically_bound();
KlassHandle h_klass(THREAD, invoke_code == Bytecodes::_invokehandle ? NULL : receiver->klass());
CompiledIC::compute_monomorphic_entry(callee_method, h_klass,
Klass* klass = invoke_code == Bytecodes::_invokehandle ? NULL : receiver->klass();
CompiledIC::compute_monomorphic_entry(callee_method, klass,
is_optimized, static_bound, is_nmethod, virtual_call_info,
CHECK_(methodHandle()));
} else {
@ -1625,7 +1625,7 @@ methodHandle SharedRuntime::handle_ic_miss_helper(JavaThread *thread, TRAPS) {
// and now we have (or had) a compiled entry. We correct the IC
// by using a new icBuffer.
CompiledICInfo info;
KlassHandle receiver_klass(THREAD, receiver()->klass());
Klass* receiver_klass = receiver()->klass();
inline_cache->compute_monomorphic_entry(callee_method,
receiver_klass,
inline_cache->is_optimized(),