/*
* Copyright (c) 2002, 2005, 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. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* 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 sun.tools.javap;
import java.io.IOException;
import java.io.InputStream;
import java.util.Hashtable;
import java.util.Vector;
public class Tables implements Constants {
/**
* Define mnemocodes table.
*/
static Hashtable mnemocodes = new Hashtable(301, 0.5f);
static String opcExtNamesTab[]=new String[128];
static String opcPrivExtNamesTab[]=new String[128];
static void defineNonPriv(int opc, String mnem) {
mnemocodes.put(opcExtNamesTab[opc]=mnem, new Integer(opc_nonpriv*256+opc));
}
static void definePriv(int opc, String mnem) {
mnemocodes.put(opcPrivExtNamesTab[opc]="priv_"+mnem, new Integer(opc_priv*256+opc));
}
static void defineExt(int opc, String mnem) {
defineNonPriv(opc, mnem);
definePriv(opc, mnem);
}
static { int k;
for (k=0; k<opc_wide; k++) {
mnemocodes.put(opcNamesTab[k], new Integer(k));
}
for (k=opc_wide+1; k<opcNamesTab.length; k++) {
mnemocodes.put(opcNamesTab[k], new Integer(k));
}
mnemocodes.put("invokenonvirtual", new Integer(opc_invokespecial));
mnemocodes.put("iload_w", new Integer(opc_iload_w));
mnemocodes.put("lload_w", new Integer(opc_lload_w));
mnemocodes.put("fload_w", new Integer(opc_fload_w));
mnemocodes.put("dload_w", new Integer(opc_dload_w));
mnemocodes.put("aload_w", new Integer(opc_aload_w));
mnemocodes.put("istore_w", new Integer(opc_istore_w));
mnemocodes.put("lstore_w", new Integer(opc_lstore_w));
mnemocodes.put("fstore_w", new Integer(opc_fstore_w));
mnemocodes.put("dstore_w", new Integer(opc_dstore_w));
mnemocodes.put("astore_w", new Integer(opc_astore_w));
mnemocodes.put("ret_w", new Integer(opc_ret_w));
mnemocodes.put("iinc_w", new Integer(opc_iinc_w));
mnemocodes.put("nonpriv", new Integer(opc_nonpriv));
mnemocodes.put("priv", new Integer(opc_priv));
defineExt(0, "load_ubyte");
defineExt(1, "load_byte");
defineExt(2, "load_char");
defineExt(3, "load_short");
defineExt(4, "load_word");
defineExt(10, "load_char_oe");
defineExt(11, "load_short_oe");
defineExt(12, "load_word_oe");
defineExt(16, "ncload_ubyte");
defineExt(17, "ncload_byte");
defineExt(18, "ncload_char");
defineExt(19, "ncload_short");
defineExt(20, "ncload_word");
defineExt(26, "ncload_char_oe");
defineExt(27, "ncload_short_oe");
defineExt(28, "ncload_word_oe");
defineExt(30, "cache_flush");
defineExt(32, "store_byte");
defineExt(34, "store_short");
defineExt(36, "store_word");
defineExt(42, "store_short_oe");
defineExt(44, "store_word_oe");
defineExt(48, "ncstore_byte");
defineExt(50, "ncstore_short");
defineExt(52, "ncstore_word");
defineExt(58, "ncstore_short_oe");
defineExt(60, "ncstore_word_oe");
defineExt(62, "zero_line");
defineNonPriv(5, "ret_from_sub");
defineNonPriv(63, "enter_sync_method");
definePriv(5, "ret_from_trap");
definePriv(6, "read_dcache_tag");
definePriv(7, "read_dcache_data");
definePriv(14, "read_icache_tag");
definePriv(15, "read_icache_data");
definePriv(22, "powerdown");
definePriv(23, "read_scache_data");
definePriv(31, "cache_index_flush");
definePriv(38, "write_dcache_tag");
definePriv(39, "write_dcache_data");
definePriv(46, "write_icache_tag");
definePriv(47, "write_icache_data");
definePriv(54, "reset");
definePriv(55, "write_scache_data");
for (k=0; k<32; k++) {
definePriv(k+64, "read_reg_"+k);
}
for (k=0; k<32; k++) {
definePriv(k+96, "write_reg_"+k);
}
}
public static int opcLength(int opc) throws ArrayIndexOutOfBoundsException {
switch (opc>>8) {
case 0:
return opcLengthsTab[opc];
case opc_wide:
switch (opc&0xFF) {
case opc_aload: case opc_astore:
case opc_fload: case opc_fstore:
case opc_iload: case opc_istore:
case opc_lload: case opc_lstore:
case opc_dload: case opc_dstore:
case opc_ret:
return 4;
case opc_iinc:
return 6;
default:
throw new ArrayIndexOutOfBoundsException();
}
case opc_nonpriv:
case opc_priv:
return 2;
default:
throw new ArrayIndexOutOfBoundsException();
}
}
public static String opcName(int opc) {
try {
switch (opc>>8) {
case 0:
return opcNamesTab[opc];
case opc_wide: {
String mnem=opcNamesTab[opc&0xFF]+"_w";
if (mnemocodes.get(mnem) == null)
return null; // non-existent opcode
return mnem;
}
case opc_nonpriv:
return opcExtNamesTab[opc&0xFF];
case opc_priv:
return opcPrivExtNamesTab[opc&0xFF];
default:
return null;
}
} catch (ArrayIndexOutOfBoundsException e) {
switch (opc) {
case opc_nonpriv:
return "nonpriv";
case opc_priv:
return "priv";
default:
return null;
}
}
}
public static int opcode(String mnem) {
Integer Val=(Integer)(mnemocodes.get(mnem));
if (Val == null) return -1;
return Val.intValue();
}
/**
* Initialized keyword and token Hashtables
*/
static Vector keywordNames = new Vector(40);
private static void defineKeywordName(String id, int token) {
if (token>=keywordNames.size()) {
keywordNames.setSize(token+1);
}
keywordNames.setElementAt(id, token);
}
public static String keywordName(int token) {
if (token==-1) return "EOF";
if (token>=keywordNames.size()) return null;
return (String)keywordNames.elementAt(token);
}
static {
defineKeywordName("ident", IDENT);
defineKeywordName("STRINGVAL", STRINGVAL);
defineKeywordName("intVal", INTVAL);
defineKeywordName("longVal", LONGVAL);
defineKeywordName("floatVal", FLOATVAL);
defineKeywordName("doubleVal", DOUBLEVAL);
defineKeywordName("SEMICOLON", SEMICOLON);
defineKeywordName("COLON", COLON);
defineKeywordName("LBRACE", LBRACE);
defineKeywordName("RBRACE", RBRACE);
}
static Hashtable keywords = new Hashtable(40);
public static int keyword(String idValue) {
Integer Val=(Integer)(keywords.get(idValue));
if (Val == null) return IDENT;
return Val.intValue();
}
private static void defineKeyword(String id, int token) {
keywords.put(id, new Integer(token));
defineKeywordName(id, token);
}
static {
// Modifier keywords
defineKeyword("private", PRIVATE);
defineKeyword("public", PUBLIC);
defineKeyword("protected", PROTECTED);
defineKeyword("static", STATIC);
defineKeyword("transient", TRANSIENT);
defineKeyword("synchronized", SYNCHRONIZED);
defineKeyword("super", SUPER);
defineKeyword("native", NATIVE);
defineKeyword("abstract", ABSTRACT);
defineKeyword("volatile", VOLATILE);
defineKeyword("final", FINAL);
defineKeyword("interface",INTERFACE);
defineKeyword("synthetic",SYNTHETIC);
defineKeyword("strict",STRICT);
// Declaration keywords
defineKeyword("package",PACKAGE);
defineKeyword("class",CLASS);
defineKeyword("extends",EXTENDS);
defineKeyword("implements",IMPLEMENTS);
defineKeyword("const", CONST);
defineKeyword("throws",THROWS);
defineKeyword("interface",INTERFACE);
defineKeyword("Method",METHODREF);
defineKeyword("Field",FIELDREF);
defineKeyword("stack",STACK);
defineKeyword("locals",LOCAL);
// used in switchtables
defineKeyword("default", DEFAULT);
// used in inner class declarations
defineKeyword("InnerClass", INNERCLASS);
defineKeyword("of", OF);
// misc
defineKeyword("bits",BITS);
defineKeyword("Infinity",INF);
defineKeyword("Inf",INF);
defineKeyword("NaN",NAN);
}
/**
* Define tag table.
*/
private static Vector tagNames = new Vector(10);
private static Hashtable Tags = new Hashtable(10);
static {
defineTag("Asciz",CONSTANT_UTF8);
defineTag("int",CONSTANT_INTEGER);
defineTag("float",CONSTANT_FLOAT);
defineTag("long",CONSTANT_LONG);
defineTag("double",CONSTANT_DOUBLE);
defineTag("class",CONSTANT_CLASS);
defineTag("String",CONSTANT_STRING);
defineTag("Field",CONSTANT_FIELD);
defineTag("Method",CONSTANT_METHOD);
defineTag("InterfaceMethod",CONSTANT_INTERFACEMETHOD);
defineTag("NameAndType",CONSTANT_NAMEANDTYPE);
}
private static void defineTag(String id, int val) {
Tags.put(id, new Integer(val));
if (val>=tagNames.size()) {
tagNames.setSize(val+1);
}
tagNames.setElementAt(id, val);
}
public static String tagName(int tag) {
if (tag>=tagNames.size()) return null;
return (String)tagNames.elementAt(tag);
}
public static int tagValue(String idValue) {
Integer Val=(Integer)(Tags.get(idValue));
if (Val == null) return 0;
return Val.intValue();
}
/**
* Define type table. These types used in "newarray" instruction only.
*/
private static Vector typeNames = new Vector(10);
private static Hashtable Types = new Hashtable(10);
static {
defineType("int",T_INT);
defineType("long",T_LONG);
defineType("float",T_FLOAT);
defineType("double",T_DOUBLE);
defineType("class",T_CLASS);
defineType("boolean",T_BOOLEAN);
defineType("char",T_CHAR);
defineType("byte",T_BYTE);
defineType("short",T_SHORT);
}
private static void defineType(String id, int val) {
Types.put(id, new Integer(val));
if (val>=typeNames.size()) {
typeNames.setSize(val+1);
}
typeNames.setElementAt(id, val);
}
public static int typeValue(String idValue) {
Integer Val=(Integer)(Types.get(idValue));
if (Val == null) return -1;
return Val.intValue();
}
public static String typeName(int type) {
if (type>=typeNames.size()) return null;
return (String)typeNames.elementAt(type);
}
/**
* Define MapTypes table.
* These constants used in stackmap tables only.
*/
private static Vector mapTypeNames = new Vector(10);
private static Hashtable MapTypes = new Hashtable(10);
static {
defineMapType("bogus", ITEM_Bogus);
defineMapType("int", ITEM_Integer);
defineMapType("float", ITEM_Float);
defineMapType("double", ITEM_Double);
defineMapType("long", ITEM_Long);
defineMapType("null", ITEM_Null);
defineMapType("this", ITEM_InitObject);
defineMapType("CP", ITEM_Object);
defineMapType("uninitialized", ITEM_NewObject);
}
private static void defineMapType(String id, int val) {
MapTypes.put(id, new Integer(val));
if (val>=mapTypeNames.size()) {
mapTypeNames.setSize(val+1);
}
mapTypeNames.setElementAt(id, val);
}
public static int mapTypeValue(String idValue) {
Integer Val=(Integer)(MapTypes.get(idValue));
if (Val == null) return -1;
return Val.intValue();
}
public static String mapTypeName(int type) {
if (type>=mapTypeNames.size()) return null;
return (String)mapTypeNames.elementAt(type);
}
}