Mercurial > hg > truffle
diff src/cpu/x86/vm/icBuffer_x86.cpp @ 6725:da91efe96a93
6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author | coleenp |
---|---|
date | Sat, 01 Sep 2012 13:25:18 -0400 |
parents | f95d63e2154a |
children | cd3d6a6b95d9 |
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--- a/src/cpu/x86/vm/icBuffer_x86.cpp Fri Aug 31 16:39:35 2012 -0700 +++ b/src/cpu/x86/vm/icBuffer_x86.cpp Sat Sep 01 13:25:18 2012 -0400 @@ -1,5 +1,5 @@ /* - * Copyright (c) 1997, 2010, 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 @@ -44,16 +44,16 @@ -void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, oop cached_oop, address entry_point) { +void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, void* cached_value, address entry_point) { ResourceMark rm; CodeBuffer code(code_begin, ic_stub_code_size()); MacroAssembler* masm = new MacroAssembler(&code); - // note: even though the code contains an embedded oop, we do not need reloc info + // note: even though the code contains an embedded value, we do not need reloc info // because - // (1) the oop is old (i.e., doesn't matter for scavenges) + // (1) the value is old (i.e., doesn't matter for scavenges) // (2) these ICStubs are removed *before* a GC happens, so the roots disappear - assert(cached_oop == NULL || cached_oop->is_perm(), "must be perm oop"); - masm->lea(rax, OopAddress((address) cached_oop)); + // assert(cached_value == NULL || cached_oop->is_perm(), "must be perm oop"); + masm->lea(rax, AddressLiteral((address) cached_value, relocInfo::metadata_type)); masm->jump(ExternalAddress(entry_point)); } @@ -65,10 +65,11 @@ } -oop InlineCacheBuffer::ic_buffer_cached_oop(address code_begin) { +void* InlineCacheBuffer::ic_buffer_cached_value(address code_begin) { // creation also verifies the object NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // Verifies the jump NativeJump* jump = nativeJump_at(move->next_instruction_address()); - return (oop)move->data(); + void* o = (void*)move->data(); + return o; }