Mercurial > hg > truffle
view graal/com.oracle.max.asmdis/src/com/sun/max/asm/dis/DisassembledInstruction.java @ 4297:874fcc2ddd9d
Use HotSpot disassmblers for native code and bytecode
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Wed, 18 Jan 2012 20:08:08 -0800 |
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.dis; import java.util.*; import com.sun.max.asm.*; import com.sun.max.asm.gen.*; /** * A assembly instruction in internal format, combined with the bytes that it was disassembled from. */ public class DisassembledInstruction implements DisassembledObject { private final Disassembler disassembler; private final int startPosition; private final byte[] bytes; private final Template template; private final List<Argument> arguments; public DisassembledInstruction(Disassembler disassembler, int position, byte[] bytes, Template template, List<Argument> arguments) { assert bytes.length != 0; this.disassembler = disassembler; this.startPosition = position; this.bytes = bytes; this.template = template; this.arguments = arguments; } public ImmediateArgument startAddress() { return disassembler.startAddress().plus(startPosition); } /** * Gets the address to which an offset argument of this instruction is relative. */ public ImmediateArgument addressForRelativeAddressing() { return disassembler.addressForRelativeAddressing(this); } public int startPosition() { return startPosition; } public int endPosition() { return startPosition + bytes.length; } public byte[] bytes() { return bytes.clone(); } public Template template() { return template; } public boolean isCode() { return true; } public List<Argument> arguments() { return arguments; } @Override public String toString() { return toString(disassembler.addressMapper()); } public String mnemonic() { return disassembler.mnemonic(this); } public String toString(AddressMapper addressMapper) { return disassembler.toString(this, addressMapper); } public String operandsToString(AddressMapper addressMapper) { return disassembler.operandsToString(this, addressMapper); } public ImmediateArgument targetAddress() { final int parameterIndex = template().labelParameterIndex(); if (parameterIndex >= 0) { final ImmediateArgument immediateArgument = (ImmediateArgument) arguments().get(parameterIndex); final Parameter parameter = template().parameters().get(parameterIndex); if (parameter instanceof OffsetParameter) { return addressForRelativeAddressing().plus(immediateArgument); } return immediateArgument; } return null; } public static String toHexString(byte[] bytes) { String result = "["; String separator = ""; for (byte b : bytes) { result += separator + String.format("%02X", b); separator = " "; } result += "]"; return result; } }