Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/AssemblyInstructionEditor.java @ 4178:d1b26c17910a
Add the Dacapo benchmarks to the "lib" folder instead of using the environment variable. Fixed an issue in the downloader.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Mon, 02 Jan 2012 21:52:23 +0100 |
parents | e233f5660da4 |
children |
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/* * Copyright (c) 2007, 2011, 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.sun.max.asm; import com.sun.max.lang.*; /** * Interface for target code edition. Currently, used by the JIT only, for template-based code generation. * The interface is currently customized to the need of the JIT. */ public interface AssemblyInstructionEditor { /** * Returns the displacement in the edited instruction. * @param displacementWidth the width of the displacement in the instruction * @return the displacement in the edited instruction */ int getIntDisplacement(WordWidth displacementWidth) throws AssemblyException; /** * Returns the immediate int value in the edited instruction. * @param displacementWidth the width of the displacement in the instruction * @return the displacement in the edited instruction */ int getIntImmediate(WordWidth immediateWidth) throws AssemblyException; /** * Replaces the value of the immediate displacement in a load/store instruction. * The original instruction must have an immediate displacement operand that can hold 8-bit immediate value. * @param displacementWidth width of the displacement in the original instruction * @param withIndex indicate if the instruction uses a register index. * @param disp8 new value of the displacement. */ void fixDisplacement(WordWidth displacementWidth, boolean withIndex, byte disp8); /** * Replaces the value of the immediate displacement in a load/store instruction. * The original instruction must have an immediate displacement operand that can hold 32-bit immediate value. * @param disp32 * @throws AssemblyException * if the replacement is not allowed (e.g., the instruction is * not a load/store with immediate displacement parameter). */ void fixDisplacement(WordWidth displacementWidth, boolean withIndex, int disp32) throws AssemblyException; /** * Replaces the value of the immediate source operand of an instruction. * (tested with store instruction only). * @param operandWidth the width of the operand being replaced * @param imm8 the new immediate value of the operand. */ void fixImmediateOperand(WordWidth operandWidth, byte imm8); /** * Replaces the value of the immediate source operand of an instruction. * (tested with store instruction only). * @param operandWidth the width of the operand being replaced * @param imm16 the new immediate value of the operand. */ void fixImmediateOperand(WordWidth operandWidth, short imm16); /** * Replaces the value of the immediate source operand of an instruction. * (tested with store instruction only). * @param operandWidth the width of the operand being replaced * @param imm32 the new immediate value of the operand. */ void fixImmediateOperand(WordWidth operandWidth, int imm32); /** * Replaces the value of the immediate source operand of an instruction. * @param imm64 the new immediate value of the operand. */ void fixImmediateOperand(int imm32); /** * Replaces the value of the immediate source operand of an instruction. * @param imm64 the new immediate value of the operand. */ void fixImmediateOperand(long imm64); /** * Fix relative displacement of a branch instruction. * * @param originalDisplacementWidth * @param displacementWidth width of the relative displacement in the original instruction * @param disp32 new relative displacement */ void fixBranchRelativeDisplacement(WordWidth displacementWidth, int disp32) throws AssemblyException; }