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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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10
hotspot/src/share/vm/interpreter/bytecodes.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
@ -25,7 +25,7 @@
#include "precompiled.hpp"
#include "interpreter/bytecodes.hpp"
#include "memory/resourceArea.hpp"
#include "oops/methodOop.hpp"
#include "oops/method.hpp"
#ifdef TARGET_ARCH_x86
# include "bytes_x86.hpp"
#endif
@ -61,7 +61,7 @@ Bytecodes::Code Bytecodes::_java_code [Bytecodes::number_of_codes];
u_short Bytecodes::_flags [(1<<BitsPerByte)*2];
#ifdef ASSERT
bool Bytecodes::check_method(const methodOopDesc* method, address bcp) {
bool Bytecodes::check_method(const Method* method, address bcp) {
return method->contains(bcp);
}
#endif
@ -89,11 +89,11 @@ bool Bytecodes::check_must_rewrite(Bytecodes::Code code) {
return true;
}
Bytecodes::Code Bytecodes::code_at(methodOop method, int bci) {
Bytecodes::Code Bytecodes::code_at(Method* method, int bci) {
return code_at(method, method->bcp_from(bci));
}
Bytecodes::Code Bytecodes::non_breakpoint_code_at(const methodOopDesc* method, address bcp) {
Bytecodes::Code Bytecodes::non_breakpoint_code_at(const Method* method, address bcp) {
assert(method != NULL, "must have the method for breakpoint conversion");
assert(method->contains(bcp), "must be valid bcp in method");
return method->orig_bytecode_at(method->bci_from(bcp));