Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.hotspot.amd64/src/com/oracle/graal/hotspot/amd64/AMD64HotSpotGraalRuntime.java @ 11605:3676540f71cf
Allow mxtool suites to be in separate repositories (CR-1367)
author | Mick Jordan <mick.jordan@oracle.com> |
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date | Wed, 11 Sep 2013 21:04:24 +0200 |
parents | 7c4c1a7c875a |
children | 9c2111d10e40 |
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/* * Copyright (c) 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 * 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. */ package com.oracle.graal.hotspot.amd64; import java.util.*; import com.oracle.graal.amd64.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.hotspot.*; import com.oracle.graal.hotspot.meta.*; /** * AMD64 specific implementation of {@link HotSpotGraalRuntime}. */ public class AMD64HotSpotGraalRuntime extends HotSpotGraalRuntime { private Value[] nativeABICallerSaveRegisters; protected AMD64HotSpotGraalRuntime() { } /** * Called from C++ code to retrieve the singleton instance, creating it first if necessary. */ public static HotSpotGraalRuntime makeInstance() { HotSpotGraalRuntime graalRuntime = graalRuntime(); if (graalRuntime == null) { HotSpotGraalRuntimeFactory factory = findFactory("AMD64"); if (factory != null) { graalRuntime = factory.createRuntime(); } else { graalRuntime = new AMD64HotSpotGraalRuntime(); } graalRuntime.completeInitialization(); } return graalRuntime; } protected Architecture createArchitecture() { return new AMD64(config.useSSE, config.useAVX); } @Override protected TargetDescription createTarget() { final int stackFrameAlignment = 16; final int implicitNullCheckLimit = 4096; final boolean inlineObjects = true; return new TargetDescription(createArchitecture(), true, stackFrameAlignment, implicitNullCheckLimit, inlineObjects); } @Override protected HotSpotBackend createBackend() { return new AMD64HotSpotBackend(getRuntime(), getTarget()); } @Override protected HotSpotRuntime createRuntime() { return new AMD64HotSpotRuntime(config, this); } @Override protected Value[] getNativeABICallerSaveRegisters() { if (nativeABICallerSaveRegisters == null) { List<Register> callerSave = new ArrayList<>(Arrays.asList(getRuntime().lookupRegisterConfig().getAllocatableRegisters())); if (getConfig().windowsOs) { // http://msdn.microsoft.com/en-us/library/9z1stfyw.aspx callerSave.remove(AMD64.rdi); callerSave.remove(AMD64.rsi); callerSave.remove(AMD64.rbx); callerSave.remove(AMD64.rbp); callerSave.remove(AMD64.rsp); callerSave.remove(AMD64.r12); callerSave.remove(AMD64.r13); callerSave.remove(AMD64.r14); callerSave.remove(AMD64.r15); callerSave.remove(AMD64.xmm6); callerSave.remove(AMD64.xmm7); callerSave.remove(AMD64.xmm8); callerSave.remove(AMD64.xmm9); callerSave.remove(AMD64.xmm10); callerSave.remove(AMD64.xmm11); callerSave.remove(AMD64.xmm12); callerSave.remove(AMD64.xmm13); callerSave.remove(AMD64.xmm14); callerSave.remove(AMD64.xmm15); } else { /* * System V Application Binary Interface, AMD64 Architecture Processor Supplement * * Draft Version 0.96 * * http://www.uclibc.org/docs/psABI-x86_64.pdf * * 3.2.1 * * ... * * This subsection discusses usage of each register. Registers %rbp, %rbx and %r12 * through %r15 "belong" to the calling function and the called function is required * to preserve their values. In other words, a called function must preserve these * registers' values for its caller. Remaining registers "belong" to the called * function. If a calling function wants to preserve such a register value across a * function call, it must save the value in its local stack frame. */ callerSave.remove(AMD64.rbp); callerSave.remove(AMD64.rbx); callerSave.remove(AMD64.r12); callerSave.remove(AMD64.r13); callerSave.remove(AMD64.r14); callerSave.remove(AMD64.r15); } nativeABICallerSaveRegisters = new Value[callerSave.size()]; for (int i = 0; i < callerSave.size(); i++) { nativeABICallerSaveRegisters[i] = callerSave.get(i).asValue(); } } return nativeABICallerSaveRegisters; } }