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6964458: Reimplement class meta-data storage to use native memory

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Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
This commit is contained in:
Jon Masamitsu 2012-09-01 13:25:18 -04:00 • committed by Coleen Phillimore
parent 36eee7c8c8
commit 5c58d27aac
853 changed files with 26124 additions and 82956 deletions
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8
hotspot/src/share/vm/interpreter/templateInterpreter.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2012, 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
@ -510,7 +510,7 @@ void TemplateInterpreterGenerator::generate_and_dispatch(Template* t, TosState t
assert(step > 0, "just checkin'");
// setup stuff for dispatching next bytecode
if (ProfileInterpreter && VerifyDataPointer
&& methodDataOopDesc::bytecode_has_profile(t->bytecode())) {
&& MethodData::bytecode_has_profile(t->bytecode())) {
__ verify_method_data_pointer();
}
__ dispatch_prolog(tos_out, step);
@ -588,7 +588,7 @@ void TemplateInterpreter::ignore_safepoints() {
// Deoptimization support
// If deoptimization happens, this function returns the point of next bytecode to continue execution
address TemplateInterpreter::deopt_continue_after_entry(methodOop method, address bcp, int callee_parameters, bool is_top_frame) {
address TemplateInterpreter::deopt_continue_after_entry(Method* method, address bcp, int callee_parameters, bool is_top_frame) {
return AbstractInterpreter::deopt_continue_after_entry(method, bcp, callee_parameters, is_top_frame);
}
@ -596,7 +596,7 @@ address TemplateInterpreter::deopt_continue_after_entry(methodOop method, addres
// the bytecode.
// Note: Bytecodes::_athrow (C1 only) and Bytecodes::_return are the special cases
// that do not return "Interpreter::deopt_entry(vtos, 0)"
address TemplateInterpreter::deopt_reexecute_entry(methodOop method, address bcp) {
address TemplateInterpreter::deopt_reexecute_entry(Method* method, address bcp) {
assert(method->contains(bcp), "just checkin'");
Bytecodes::Code code = Bytecodes::java_code_at(method, bcp);
if (code == Bytecodes::_return) {