| /******************************************************************************* |
| * Copyright (c) 2009, 2010 Nokia and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Nokia - Initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.cdt.debug.edc.x86; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.cdt.core.IAddress; |
| import org.eclipse.cdt.debug.edc.IAddressExpressionEvaluator; |
| import org.eclipse.cdt.debug.edc.disassembler.IDisassembler; |
| import org.eclipse.cdt.debug.edc.services.AbstractTargetEnvironment; |
| import org.eclipse.cdt.debug.edc.services.ITargetEnvironment; |
| import org.eclipse.cdt.debug.edc.symbols.TypeUtils; |
| import org.eclipse.cdt.debug.edc.x86.disassembler.AddressExpressionEvaluatorX86; |
| import org.eclipse.cdt.debug.edc.x86.disassembler.DisassemblerX86; |
| import org.eclipse.cdt.dsf.datamodel.IDMContext; |
| import org.eclipse.cdt.dsf.service.DsfSession; |
| import org.eclipse.debug.core.ILaunch; |
| |
| /** |
| * {@link ITargetEnvironment} service for x86. |
| */ |
| public class TargetEnvironmentX86 extends AbstractTargetEnvironment implements ITargetEnvironment { |
| |
| // breakpoint instruction for x86. |
| final static byte[] sBreakpointInstruction = { (byte) 0xcc }; |
| |
| private IDisassembler disassembler = null; |
| |
| private IAddressExpressionEvaluator aeEvaluator = null; |
| |
| private HashMap<Integer, Integer> basicTypeSizes = null; |
| |
| public TargetEnvironmentX86(DsfSession session, ILaunch launch) { |
| super(session, new String[] { TargetEnvironmentX86.class.getName() }, |
| launch); |
| } |
| |
| public String getArchitecture() { |
| return ARCH_X86; |
| } |
| |
| public byte[] getBreakpointInstruction(IDMContext context, IAddress address) { |
| // arguments are ignored. |
| return sBreakpointInstruction; |
| } |
| |
| public void updateBreakpointProperties(IDMContext context, IAddress address, Map<String, Object> properties) { |
| } |
| |
| public IDisassembler getDisassembler() { |
| if (disassembler == null) |
| disassembler = new DisassemblerX86(this); |
| |
| return disassembler; |
| } |
| |
| public String getOS() { |
| return OS_UNKNOWN; |
| } |
| |
| public String getPCRegisterID() { |
| return "EIP"; |
| } |
| |
| public String getProperty(String propertyKey) { |
| return null; |
| } |
| |
| public boolean isLittleEndian(IDMContext context) { |
| return true; |
| } |
| |
| public int getLongestInstructionLength() { |
| // it's said to be 17 bytes... |
| return 18; |
| } |
| |
| public IAddressExpressionEvaluator getAddressExpressionEvaluator() { |
| if (aeEvaluator == null) |
| aeEvaluator = new AddressExpressionEvaluatorX86(); |
| |
| return aeEvaluator; |
| } |
| |
| public Map<Integer, Integer> getBasicTypeSizes() { |
| if (this.basicTypeSizes == null) { |
| this.basicTypeSizes = new HashMap<Integer, Integer>(); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_CHAR, 1); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_SHORT, 2); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_INT, 4); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_LONG, 4); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_LONG_LONG, 8); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_FLOAT, 4); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_FLOAT_COMPLEX, 8); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_DOUBLE, 8); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_DOUBLE_COMPLEX, 16); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_LONG_DOUBLE, 8); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_LONG_DOUBLE_COMPLEX, 16); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_BOOL, 1); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_BOOL_C9X, 1); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_WCHAR_T, 2); |
| this.basicTypeSizes.put(TypeUtils.BASIC_TYPE_POINTER, 4); |
| } |
| |
| return this.basicTypeSizes; |
| } |
| |
| public boolean isCharSigned() { |
| return true; |
| } |
| |
| public int getEnumSize() { |
| return 4; |
| } |
| |
| public int getPointerSize() { |
| return 4; |
| } |
| |
| public int getMemoryCacheMinimumBlockSize() { |
| /* |
| * Currently for x86 Windows debugger, a non-zero minimum size may crash |
| * the TCF Windows agent. Before that's fixed, we just return 0. See |
| * Javadoc of the API for more.......02/09/10 |
| */ |
| return 0; |
| } |
| } |