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7172967: Eliminate constMethod's _method backpointer to methodOop

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Eliminate constMethod's _method backpointer to methodOop, and move the _constant field from methodOop to constMethod.

Reviewed-by: roland, bdelsart, kamg
This commit is contained in:
Jiangli Zhou 2012-06-06 14:33:43 -04:00
parent 528d6f3d54
commit 2b4b058265
21 changed files with 141 additions and 112 deletions
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11
hotspot/src/cpu/sparc/vm/templateInterpreter_sparc.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
@ -371,7 +371,8 @@ void InterpreterGenerator::lock_method(void) {
__ br( Assembler::zero, true, Assembler::pt, done);
__ delayed()->ld_ptr(Llocals, Interpreter::local_offset_in_bytes(0), O0); // get receiver for not-static case
__ ld_ptr( Lmethod, in_bytes(methodOopDesc::constants_offset()), O0);
__ ld_ptr( Lmethod, in_bytes(methodOopDesc::const_offset()), O0);
__ ld_ptr( O0, in_bytes(constMethodOopDesc::constants_offset()), O0);
__ ld_ptr( O0, constantPoolOopDesc::pool_holder_offset_in_bytes(), O0);
// lock the mirror, not the klassOop
@ -670,7 +671,8 @@ address InterpreterGenerator::generate_accessor_entry(void) {
ConstantPoolCacheEntry::size()) * BytesPerWord), G1_scratch);
// get constant pool cache
__ ld_ptr(G5_method, methodOopDesc::constants_offset(), G3_scratch);
__ ld_ptr(G5_method, methodOopDesc::const_offset(), G3_scratch);
__ ld_ptr(G3_scratch, constMethodOopDesc::constants_offset(), G3_scratch);
__ ld_ptr(G3_scratch, constantPoolOopDesc::cache_offset_in_bytes(), G3_scratch);
// get specific constant pool cache entry
@ -993,7 +995,8 @@ address InterpreterGenerator::generate_native_entry(bool synchronized) {
// for static methods insert the mirror argument
const int mirror_offset = in_bytes(Klass::java_mirror_offset());
__ ld_ptr(Lmethod, methodOopDesc:: constants_offset(), O1);
__ ld_ptr(Lmethod, methodOopDesc:: const_offset(), O1);
__ ld_ptr(O1, constMethodOopDesc::constants_offset(), O1);
__ ld_ptr(O1, constantPoolOopDesc::pool_holder_offset_in_bytes(), O1);
__ ld_ptr(O1, mirror_offset, O1);
#ifdef ASSERT