truffle: graal/com.oracle.max.asmdis/src/com/sun/max/asm/dis/x86/X86Disassembler.java annotate

annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/dis/x86/X86Disassembler.java @ 4142:bc8527f3071c

Adjust code base to new level of warnings.

author	Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
date	Sun, 18 Dec 2011 05:24:06 +0100
parents	e233f5660da4
children

rev	line source
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	1 /*
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	2 * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	4 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	7 * published by the Free Software Foundation.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	8 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	13 * accompanied this code).
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	14 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	18 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	20 * or visit www.oracle.com if you need additional information or have any
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	21 * questions.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	22 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	23 package com.sun.max.asm.dis.x86;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	24
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	25 import java.io.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	26 import java.util.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	27
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	28 import com.sun.max.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	29 import com.sun.max.asm.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	30 import com.sun.max.asm.amd64.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	31 import com.sun.max.asm.dis.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	32 import com.sun.max.asm.gen.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	33 import com.sun.max.asm.gen.cisc.x86.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	34 import com.sun.max.asm.x86.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	35 import com.sun.max.io.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	36 import com.sun.max.lang.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	37 import com.sun.max.program.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	38 import com.sun.max.util.*;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	39
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	40 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	41 * An x86 instruction disassembler.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	42 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	43 * The string representation for disassembler output has the following format,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	44 * which borrows from both Intel and AT&T syntax and differs from either
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	45 * regarding indirect addressing and indexing.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	46 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	47 * Operand order follows Intel syntax:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	48 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	49 * mnemonic argument
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	50 * mnemonic destination, source
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	51 * mnemonic argument1, argument2, argument3
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	52 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	53 * Some mnemonics may have operand size suffixes as in AT&T (gas) syntax.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	54 * Suffix Intel size Java size # bits
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	55 * ------ ----------- --------- ------
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	56 * b byte byte 8
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	57 * w word short 16
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	58 * l long word int 32
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	59 * q quad word long 64
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	60 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	61 * Using this AT&T syntax feature, there is no need for operand size indicators
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	62 * (e.g. DWORD PTR) for pointers as in Intel syntax.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	63 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	64 * Registers etc. are named as in Intel syntax,
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	65 * in lower case without AT&T's "%" prefix.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	66 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	67 * Indexing is indicated by '[' and ']', similiar to array access in the Java(TM) Programming Language:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	68 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	69 * base[index], e.g. eax[ebx]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	70 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	71 * Indirect access looks like indexing without a base (or with implicit base 0):
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	72 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	73 * [indirect], e.g. [ecx]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	74 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	75 * Displacements are added/subtracted from the index/indirect operand:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	76 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	77 * base[index + displacement], e.g. ebp[eax - 12]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	78 * [indirect + displacement], e.g. [esi + 100]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	79 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	80 * Scale is displayed as multiplication of the index:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	81 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	82 * [base[index * scale] or base[index * scale + displacement], e.g. ecx[ebx * 4 + 10]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	83 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	84 * A scale of 1 is left implicit, i.e. not printed.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	85 * Scale literals are the unsigned decimal integer numbers 2, 4, 8.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	86 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	87 * Displacement literals are signed decimal integer numbers.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	88 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	89 * Direct memory references (pointer literals) are unsigned hexadecimal integer numbers, e.g.:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	90 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	91 * [0x12345678], 0x12345678[eax]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	92 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	93 * Immediate operands are unsigned hexadecimal integer numbers, e.g.:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	94 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	95 * 0x12, 0xffff, 0x0, 0x123456789abcdef
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	96 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	97 * Offset operands are signed decimal integer numbers, like displacements, but without space between the sign and the number, e.g.:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	98 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	99 * jmp +12
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	100 * call -2048
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	101 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	102 * RIP (Relative to Instruction Pointer) addressing is a combination of an offset operand and indirect addressing, e.g.:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	103 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	104 * add [+20], eax
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	105 * mov ebx, [-200]
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	106 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	107 * The disassembler displays synthetic labels for all target addresses
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	108 * within the disassembled address range that hit the start address of an instruction.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	109 * Operands that coincide with such a label are displayed with the respective Label prepended. e.g.:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	110 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	111 * jmp L1: +100
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	112 * adc [L2: +128], ESI
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	113 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	114 * @see Disassembler
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	115 * @see X86DisassembledInstruction
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	116 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	117 public abstract class X86Disassembler extends Disassembler {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	118
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	119 private X86Assembly<? extends X86Template> assembly;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	120
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	121 protected X86Disassembler(ImmediateArgument startAddress, X86Assembly<? extends X86Template> assembly, InlineDataDecoder inlineDataDecoder) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	122 super(startAddress, Endianness.LITTLE, inlineDataDecoder);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	123 this.assembly = assembly;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	124 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	125
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	126 protected abstract boolean isRexPrefix(HexByte opcode);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	127
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	128 private X86InstructionHeader scanInstructionHeader(BufferedInputStream stream, boolean justSkip) throws IOException {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	129 int byteValue = stream.read();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	130 if (byteValue < 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	131 return null;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	132 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	133 final X86InstructionHeader header = new X86InstructionHeader();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	134
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	135 do {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	136 final HexByte hexByte = HexByte.VALUES.get(byteValue);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	137 if (header.opcode1 == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	138 if (hexByte == X86Opcode.ADDRESS_SIZE) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	139 header.hasAddressSizePrefix = true;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	140 } else if (hexByte == X86Opcode.OPERAND_SIZE) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	141 if (header.instructionSelectionPrefix != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	142 return X86InstructionHeader.INVALID;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	143 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	144 header.instructionSelectionPrefix = hexByte;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	145 } else if (hexByte == X86Opcode.REPE \|\| hexByte == X86Opcode.REPNE) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	146 if (header.instructionSelectionPrefix != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	147 return X86InstructionHeader.INVALID;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	148 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	149 header.instructionSelectionPrefix = hexByte;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	150 } else if (isRexPrefix(hexByte)) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	151 header.rexPrefix = hexByte;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	152 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	153 header.opcode1 = hexByte;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	154 if (hexByte != HexByte._0F) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	155 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	156 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	157 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	158 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	159 header.opcode2 = hexByte;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	160 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	161 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	162 byteValue = stream.read();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	163 } while (byteValue >= 0);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	164
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	165 return justSkip ? null : header;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	166 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	167
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	168 private List<Argument> scanArguments(BufferedInputStream stream, X86Template template, X86InstructionHeader header, byte modRMByte, byte sibByte) throws IOException {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	169 final List<Argument> arguments = new ArrayList<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	170 final byte rexByte = (header.rexPrefix != null) ? header.rexPrefix.byteValue() : 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	171 for (X86Parameter parameter : template.parameters()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	172 int value = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	173 switch (parameter.place()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	174 case MOD_REG_REXR:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	175 value = X86Field.extractRexValue(X86Field.REX_R_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	176 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	177 case MOD_REG:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	178 value += X86Field.REG.extract(modRMByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	179 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	180 case MOD_RM_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	181 value = X86Field.extractRexValue(X86Field.REX_B_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	182 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	183 case MOD_RM:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	184 value += X86Field.RM.extract(modRMByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	185 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	186 case SIB_BASE_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	187 value = X86Field.extractRexValue(X86Field.REX_B_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	188 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	189 case SIB_BASE:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	190 value += X86Field.BASE.extract(sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	191 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	192 case SIB_INDEX_REXX:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	193 value = X86Field.extractRexValue(X86Field.REX_X_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	194 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	195 case SIB_INDEX:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	196 value += X86Field.INDEX.extract(sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	197 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	198 case SIB_SCALE:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	199 value = X86Field.SCALE.extract(sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	200 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	201 case APPEND:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	202 if (parameter instanceof X86EnumerableParameter) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	203 final X86EnumerableParameter enumerableParameter = (X86EnumerableParameter) parameter;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	204 final Enumerator enumerator = enumerableParameter.enumerator();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	205 arguments.add((Argument) enumerator.fromValue(endianness().readByte(stream)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	206 continue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	207 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	208 final X86NumericalParameter numericalParameter = (X86NumericalParameter) parameter;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	209 switch (numericalParameter.width()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	210 case BITS_8:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	211 arguments.add(new Immediate8Argument(endianness().readByte(stream)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	212 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	213 case BITS_16:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	214 arguments.add(new Immediate16Argument(endianness().readShort(stream)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	215 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	216 case BITS_32:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	217 arguments.add(new Immediate32Argument(endianness().readInt(stream)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	218 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	219 case BITS_64:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	220 arguments.add(new Immediate64Argument(endianness().readLong(stream)));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	221 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	222 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	223 continue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	224 case OPCODE1_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	225 value = X86Field.extractRexValue(X86Field.REX_B_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	226 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	227 case OPCODE1:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	228 value += header.opcode1.ordinal() & 7;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	229 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	230 case OPCODE2_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	231 value = X86Field.extractRexValue(X86Field.REX_B_BIT_INDEX, rexByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	232 // fall through...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	233 case OPCODE2:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	234 value += header.opcode2.ordinal() & 7;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	235 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	236 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	237 final X86EnumerableParameter enumerableParameter = (X86EnumerableParameter) parameter;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	238 final Enumerator enumerator = enumerableParameter.enumerator();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	239 if (enumerator == AMD64GeneralRegister8.ENUMERATOR) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	240 arguments.add(AMD64GeneralRegister8.fromValue(value, header.rexPrefix != null));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	241 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	242 arguments.add((Argument) enumerator.fromValue(value));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	243 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	244 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	245 return arguments;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	246 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	247
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	248 private static int getModVariantParameterIndex(X86Template template, byte modRMByte, byte sibByte) {
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	249 if (template.modCase() == X86TemplateContext.ModCase.MOD_0 && X86Field.MOD.extract(modRMByte) != X86TemplateContext.ModCase.MOD_0.value()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	250 switch (template.rmCase()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	251 case NORMAL: {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	252 if (template.addressSizeAttribute() == WordWidth.BITS_16) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	253 if (X86Field.RM.extract(modRMByte) != X86TemplateContext.RMCase.SWORD.value()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	254 return -1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	255 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	256 } else if (X86Field.RM.extract(modRMByte) != X86TemplateContext.RMCase.SDWORD.value()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	257 return -1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	258 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	259 for (int i = 0; i < template.parameters().size(); i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	260 switch (template.parameters().get(i).place()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	261 case MOD_RM_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	262 case MOD_RM:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	263 return i;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	264 default:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	265 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	266 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	267 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	268 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	269 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	270 case SIB: {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	271 if (template.sibBaseCase() == X86TemplateContext.SibBaseCase.GENERAL_REGISTER && X86Field.BASE.extract(sibByte) == 5) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	272 for (int i = 0; i < template.parameters().size(); i++) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	273 switch (template.parameters().get(i).place()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	274 case SIB_BASE_REXB:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	275 case SIB_BASE:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	276 return i;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	277 default:
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	278 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	279 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	280 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	281 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	282 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	283 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	284 default: {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	285 break;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	286 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	287 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	288 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	289 return -1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	290 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	291
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	292 private byte getSibByte(BufferedInputStream stream, X86Template template, byte modRMByte) throws IOException {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	293 if (template.addressSizeAttribute() == WordWidth.BITS_16) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	294 return 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	295 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	296 if (template.hasSibByte()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	297 return endianness().readByte(stream);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	298 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	299 if (template.hasModRMByte() && X86Field.RM.extract(modRMByte) == X86TemplateContext.RMCase.SIB.value() &&
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	300 X86Field.MOD.extract(modRMByte) != X86TemplateContext.ModCase.MOD_3.value()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	301 return endianness().readByte(stream);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	302 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	303 return 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	304 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	305
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	306 protected abstract Map<X86InstructionHeader, List<X86Template>> headerToTemplates();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	307
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	308 private static int serial;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	309
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	310 public DisassembledObject scanInstruction(BufferedInputStream stream, X86InstructionHeader header) throws IOException, AssemblyException {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	311 if (header != X86InstructionHeader.INVALID) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	312 serial++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	313 Trace.line(4, "instruction: " + serial);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	314 if (header.opcode1 != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	315 boolean isFloatingPointEscape = false;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	316 if (X86Opcode.isFloatingPointEscape(header.opcode1)) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	317 final int byte2 = stream.read();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	318 if (byte2 >= 0xC0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	319 isFloatingPointEscape = true;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	320 header.opcode2 = HexByte.VALUES.get(byte2);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	321 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	322 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	323 final List<X86Template> templates = headerToTemplates().get(header);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	324 if (templates != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	325 for (X86Template template : templates) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	326 stream.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	327 scanInstructionHeader(stream, true);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	328 if (isFloatingPointEscape) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	329 stream.read();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	330 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	331 try {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	332 byte modRMByte = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	333 byte sibByte = 0;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	334 int modVariantParameterIndex = -1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	335 List<Argument> arguments = null;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	336 if (template.hasModRMByte()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	337 modRMByte = endianness().readByte(stream);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	338 sibByte = getSibByte(stream, template, modRMByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	339 modVariantParameterIndex = getModVariantParameterIndex(template, modRMByte, sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	340 if (modVariantParameterIndex >= 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	341 final X86Template modVariantTemplate = X86Assembly.getModVariantTemplate(templates, template, template.parameters().get(modVariantParameterIndex).type());
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	342 arguments = scanArguments(stream, modVariantTemplate, header, modRMByte, sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	343 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	344 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	345 if (arguments == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	346 arguments = scanArguments(stream, template, header, modRMByte, sibByte);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	347 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	348 if (modVariantParameterIndex >= 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	349 final Immediate8Argument immediateArgument = (Immediate8Argument) arguments.get(modVariantParameterIndex);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	350 if (immediateArgument.value() != 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	351 continue;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	352 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	353
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	354 // Remove the mod variant argument
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	355 final Argument modVariantArgument = arguments.get(modVariantParameterIndex);
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	356 final List<Argument> result = new ArrayList<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	357 for (Argument argument : arguments) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	358 if (modVariantArgument != argument) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	359 result.add(argument);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	360 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	361 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	362 arguments = result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	363 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	364 if (!(Utils.indexOfIdentical(arguments, null) != -1)) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	365 byte[] bytes;
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	366 final Assembler assembler = createAssembler(currentPosition);
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	367 try {
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	368 assembly.assemble(assembler, template, arguments);
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	369 } catch (AssemblyException e) {
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	370 // try the next template
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	371 continue;
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	372 }
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	373 bytes = assembler.toByteArray();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	374 if (bytes != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	375 stream.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	376 if (Streams.startsWith(stream, bytes)) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	377 final DisassembledInstruction disassembledInstruction = createDisassembledInstruction(currentPosition, bytes, template, arguments);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	378 currentPosition += bytes.length;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	379 return disassembledInstruction;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	380 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	381 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	382 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	383 } catch (NoSuchAssemblerMethodError e) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	384 // Until the X86TemplateAssembler is complete, only templates for which a generated assembler
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	385 // method exists can be disassembled
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	386 } catch (IOException ioException) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	387 // this one did not work, so loop back up and try another template
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	388 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	389 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	390 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	391 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	392 if (header.instructionSelectionPrefix == X86Opcode.REPE \|\| header.instructionSelectionPrefix == X86Opcode.REPNE) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	393
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	394 stream.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	395 final int size = 1;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	396 final byte[] data = new byte[size];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	397 Streams.readFully(stream, data);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	398
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	399 final X86InstructionHeader prefixHeader = new X86InstructionHeader();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	400 prefixHeader.opcode1 = header.instructionSelectionPrefix;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	401 final List<X86Template> prefixTemplates = headerToTemplates().get(prefixHeader);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	402 final X86Template template = Utils.first(prefixTemplates);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	403 final byte[] bytes = new byte[]{header.instructionSelectionPrefix.byteValue()};
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	404 List<Argument> empty = Collections.emptyList();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	405 final DisassembledInstruction disassembledInstruction = createDisassembledInstruction(currentPosition, bytes, template, empty);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	406 currentPosition++;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	407 return disassembledInstruction;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	408 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	409 }
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	410
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	411 stream.reset();
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	412 final int size = 1;
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	413 final byte[] data = new byte[size];
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	414 Streams.readFully(stream, data);
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	415 final InlineData inlineData = new InlineData(currentPosition, data);
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	416 final DisassembledData disassembledData = createDisassembledDataObjects(inlineData).iterator().next();
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	417 currentPosition += size;
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	418 return disassembledData;
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	419 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	420
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	421 /**
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	422 * Creates a disassembled instruction based on a given sequence of bytes, a template and a set of arguments. The
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	423 * caller has performed the necessary decoding of the bytes to derive the template and arguments.
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	424 *
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	425 * @param position the position an instruction stream from which the bytes were read
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	426 * @param bytes the bytes of an instruction
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	427 * @param template the template that corresponds to the instruction encoded in {@code bytes}
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	428 * @param arguments the arguments of the instruction encoded in {@code bytes}
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	429 * @return a disassembled instruction representing the result of decoding {@code bytes} into an instruction
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	430 */
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	431 protected X86DisassembledInstruction createDisassembledInstruction(int position, byte[] bytes, X86Template template, List<Argument> arguments) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	432 return new X86DisassembledInstruction(this, position, bytes, template, arguments);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	433 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	434
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	435 private static final int MORE_THAN_ANY_INSTRUCTION_LENGTH = 100;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	436 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	437 public List<DisassembledObject> scanOne0(BufferedInputStream stream) throws IOException, AssemblyException {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	438 final List<DisassembledObject> disassembledObjects = new ArrayList<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	439 stream.mark(MORE_THAN_ANY_INSTRUCTION_LENGTH);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	440 final X86InstructionHeader header = scanInstructionHeader(stream, false);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	441 if (header == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	442 throw new AssemblyException("unknown instruction");
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	443 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	444 disassembledObjects.add(scanInstruction(stream, header));
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	445 return disassembledObjects;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	446 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	447
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	448 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	449 public List<DisassembledObject> scan0(BufferedInputStream stream) throws IOException, AssemblyException {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	450 final SortedSet<Integer> knownGoodCodePositions = new TreeSet<>();
bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	451 final List<DisassembledObject> result = new ArrayList<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	452 boolean processingKnownValidCode = true;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	453
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	454 while (true) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	455 while (knownGoodCodePositions.size() > 0 && knownGoodCodePositions.first().intValue() < currentPosition) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	456 knownGoodCodePositions.remove(knownGoodCodePositions.first());
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	457 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	458
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	459 scanInlineData(stream, result);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	460
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	461 stream.mark(MORE_THAN_ANY_INSTRUCTION_LENGTH);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	462
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	463 final X86InstructionHeader header = scanInstructionHeader(stream, false);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	464 if (header == null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	465 return result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	466 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	467 final DisassembledObject disassembledObject = scanInstruction(stream, header);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	468
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	469 if (knownGoodCodePositions.size() > 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	470 final int firstKnownGoodCodePosition = knownGoodCodePositions.first().intValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	471 final int startPosition = disassembledObject.startPosition();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	472 if (firstKnownGoodCodePosition > startPosition && firstKnownGoodCodePosition < disassembledObject.endPosition()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	473 // there is a known valid code location in the middle of this instruction - assume that it is an invalid instruction
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	474 stream.reset();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	475 final int size = firstKnownGoodCodePosition - startPosition;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	476 final byte[] data = new byte[size];
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	477 Streams.readFully(stream, data);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	478 final InlineData inlineData = new InlineData(startPosition, data);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	479 currentPosition += addDisassembledDataObjects(result, inlineData);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	480 processingKnownValidCode = true;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	481 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	482 result.add(disassembledObject);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	483 if (firstKnownGoodCodePosition == startPosition) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	484 processingKnownValidCode = true;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	485 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	486 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	487 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	488 if (processingKnownValidCode && disassembledObject instanceof DisassembledInstruction) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	489 final DisassembledInstruction disassembledInstruction = (DisassembledInstruction) disassembledObject;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	490 if (isRelativeJumpForward(disassembledInstruction)) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	491 int jumpOffset;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	492 if (Utils.first(disassembledInstruction.arguments()) instanceof Immediate32Argument) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	493 jumpOffset = ((Immediate32Argument) Utils.first(disassembledInstruction.arguments())).value();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	494 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	495 assert Utils.first(disassembledInstruction.arguments()) instanceof Immediate8Argument;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	496 jumpOffset = ((Immediate8Argument) Utils.first(disassembledInstruction.arguments())).value();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	497 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	498 final int targetPosition = disassembledInstruction.endPosition() + jumpOffset;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	499 knownGoodCodePositions.add(targetPosition);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	500 processingKnownValidCode = false;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	501 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	502 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	503 result.add(disassembledObject);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	504 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	505 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	506 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	507
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	508 private static boolean isRelativeJumpForward(DisassembledInstruction instruction) {
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	509 return instruction.template().internalName().equals("jmp") && // check if this is a jump instruction...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	510 instruction.arguments().size() == 1 && // that accepts one operand...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	511 ((Utils.first(instruction.arguments()) instanceof Immediate32Argument && // which is a relative offset...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	512 ((Immediate32Argument) Utils.first(instruction.arguments())).value() >= 0) \|\| // forward in the code stream
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	513 (Utils.first(instruction.arguments()) instanceof Immediate8Argument && // which is a relative offset...
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	514 ((Immediate8Argument) Utils.first(instruction.arguments())).value() >= 0)); // forward in the code stream
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	515 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	516
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	517 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	518 public ImmediateArgument addressForRelativeAddressing(DisassembledInstruction di) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	519 return startAddress().plus(di.endPosition());
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	520 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	521
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	522 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	523 public String mnemonic(DisassembledInstruction di) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	524 return di.template().externalName();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	525 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	526
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	527 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	528 public String operandsToString(DisassembledInstruction di, AddressMapper addressMapper) {
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	529 final LinkedList<X86Operand> operandQueue = new LinkedList<>();
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	530 for (Operand operand : di.template().operands()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	531 operandQueue.add((X86Operand) operand);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	532 }
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	533 final LinkedList<Argument> argumentQueue = new LinkedList<>(di.arguments());
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	534 String result = "";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	535 String separator = "";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	536 while (!operandQueue.isEmpty()) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	537 result += separator + getOperand(di, operandQueue, argumentQueue, addressMapper);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	538 separator = ", ";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	539 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	540 return result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	541 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	542
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	543 @Override
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	544 public String toString(DisassembledInstruction di, AddressMapper addressMapper) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	545 String s = operandsToString(di, addressMapper);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	546 if (s.length() > 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	547 s = " " + s;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	548 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	549 return Strings.padLengthWithSpaces(mnemonic(di), 8) + s;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	550 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	551
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	552 private static String getSibIndexAndScale(Queue<X86Operand> operands, Queue<Argument> arguments) {
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	553 X86Parameter parameter = (X86Parameter) operands.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	554 assert parameter.place() == ParameterPlace.SIB_INDEX \|\| parameter.place() == ParameterPlace.SIB_INDEX_REXX;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	555 final String result = arguments.remove().disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	556 parameter = (X86Parameter) operands.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	557 assert parameter.place() == ParameterPlace.SIB_SCALE;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	558 final Scale scale = (Scale) arguments.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	559 if (scale == Scale.SCALE_1) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	560 return result;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	561 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	562 return result + " * " + scale.disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	563 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	564
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	565 private static String addition(Argument argument, String space) {
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	566 assert argument instanceof ImmediateArgument;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	567 final long value = argument.asLong();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	568 final String s = Long.toString(value);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	569 if (value >= 0) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	570 return "+" + space + s;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	571 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	572 return "-" + space + s.substring(1);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	573 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	574
4142 bc8527f3071c Adjust code base to new level of warnings. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: 3733 diff changeset	575 private static String getOperand(DisassembledInstruction di, Queue<X86Operand> operands, Queue<Argument> arguments, AddressMapper addressMapper) {
3733 e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	576 final X86Operand operand = operands.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	577 if (operand instanceof ImplicitOperand) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	578 final ImplicitOperand implicitOperand = (ImplicitOperand) operand;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	579 return implicitOperand.argument().disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	580 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	581 final X86Parameter parameter = (X86Parameter) operand;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	582 final Argument argument = arguments.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	583 if (parameter instanceof X86DisplacementParameter) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	584 assert parameter.place() == ParameterPlace.APPEND;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	585 final X86Parameter nextParameter = (X86Parameter) operands.element();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	586 String prefix = "";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	587 if (IndirectRegister.class.isAssignableFrom(nextParameter.type())) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	588 operands.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	589 prefix += "[" + arguments.remove().disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	590 } else {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	591 if (nextParameter.place() == ParameterPlace.SIB_BASE \|\| nextParameter.place() == ParameterPlace.SIB_BASE_REXB) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	592 operands.remove();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	593 prefix += arguments.remove().disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	594 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	595 prefix += "[" + getSibIndexAndScale(operands, arguments);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	596 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	597 return prefix + " " + addition(argument, " ") + "]";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	598 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	599 if (parameter.place() == ParameterPlace.SIB_BASE \|\| parameter.place() == ParameterPlace.SIB_BASE_REXB) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	600 return argument.disassembledValue() + "[" + getSibIndexAndScale(operands, arguments) + "]";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	601 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	602 if (IndirectRegister.class.isAssignableFrom(parameter.type())) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	603 return "[" + argument.disassembledValue() + "]";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	604 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	605 if (parameter instanceof X86AddressParameter) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	606 String address = argument.disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	607 final DisassembledLabel label = addressMapper.labelAt((ImmediateArgument) argument);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	608 if (label != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	609 address = label.name() + ": " + address;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	610 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	611 final X86Operand nextOperand = operands.peek();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	612 if (nextOperand instanceof X86Parameter) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	613 final X86Parameter nextParameter = (X86Parameter) nextOperand;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	614 if (nextParameter.place() == ParameterPlace.SIB_INDEX \|\| nextParameter.place() == ParameterPlace.SIB_INDEX_REXX) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	615 return address + "[" + getSibIndexAndScale(operands, arguments) + "]";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	616 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	617 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	618 return "[" + address + "]";
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	619 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	620 if (parameter instanceof X86OffsetParameter) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	621 String offset = addition(argument, "");
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	622 final ImmediateArgument targetAddress = di.addressForRelativeAddressing().plus((ImmediateArgument) argument);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	623 final DisassembledLabel label = addressMapper.labelAt(targetAddress);
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	624 if (label != null) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	625 offset = label.name() + ": " + offset;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	626 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	627 if (((X86Template) di.template()).addressSizeAttribute() == WordWidth.BITS_64 && ((X86Template) di.template()).rmCase() == X86TemplateContext.RMCase.SDWORD) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	628 return "[" + offset + "]"; // RIP
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	629 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	630 return offset;
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	631 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	632 if (parameter.getClass() == X86ImmediateParameter.class) {
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	633 return argument.disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	634 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	635 return argument.disassembledValue();
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	636 }
e233f5660da4 Added Java files from Maxine project. Thomas Wuerthinger <thomas.wuerthinger@oracle.com> parents: diff changeset	637 }

Mercurial > hg > truffle

annotate graal/com.oracle.max.asmdis/src/com/sun/max/asm/dis/x86/X86Disassembler.java @ 4142:bc8527f3071c