Mercurial > hg > truffle
view src/os_cpu/solaris_sparc/vm/assembler_solaris_sparc.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 | f0c2369fda5a |
line wrap: on
line source
/* * Copyright (c) 1999, 2010, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "asm/assembler.hpp" #include "assembler_sparc.inline.hpp" #include "runtime/os.hpp" #include "runtime/threadLocalStorage.hpp" #include <sys/trap.h> // For trap numbers #include <v9/sys/psr_compat.h> // For V8 compatibility void MacroAssembler::read_ccr_trap(Register ccr_save) { // Execute a trap to get the PSR, mask and shift // to get the condition codes. get_psr_trap(); nop(); set(PSR_ICC, ccr_save); and3(O0, ccr_save, ccr_save); srl(ccr_save, PSR_ICC_SHIFT, ccr_save); } void MacroAssembler::write_ccr_trap(Register ccr_save, Register scratch1, Register scratch2) { // Execute a trap to get the PSR, shift back // the condition codes, mask the condition codes // back into and PSR and trap to write back the // PSR. sll(ccr_save, PSR_ICC_SHIFT, scratch2); get_psr_trap(); nop(); set(~PSR_ICC, scratch1); and3(O0, scratch1, O0); or3(O0, scratch2, O0); set_psr_trap(); nop(); } void MacroAssembler::flush_windows_trap() { trap(ST_FLUSH_WINDOWS); } void MacroAssembler::clean_windows_trap() { trap(ST_CLEAN_WINDOWS); } void MacroAssembler::get_psr_trap() { trap(ST_GETPSR); } void MacroAssembler::set_psr_trap() { trap(ST_SETPSR); }