static_inst.cc revision 5202
14679Sgblack@eecs.umich.edu/* 24679Sgblack@eecs.umich.edu * Copyright (c) 2007 The Hewlett-Packard Development Company 34679Sgblack@eecs.umich.edu * All rights reserved. 44679Sgblack@eecs.umich.edu * 54679Sgblack@eecs.umich.edu * Redistribution and use of this software in source and binary forms, 64679Sgblack@eecs.umich.edu * with or without modification, are permitted provided that the 74679Sgblack@eecs.umich.edu * following conditions are met: 84679Sgblack@eecs.umich.edu * 94679Sgblack@eecs.umich.edu * The software must be used only for Non-Commercial Use which means any 104679Sgblack@eecs.umich.edu * use which is NOT directed to receiving any direct monetary 114679Sgblack@eecs.umich.edu * compensation for, or commercial advantage from such use. Illustrative 124679Sgblack@eecs.umich.edu * examples of non-commercial use are academic research, personal study, 134679Sgblack@eecs.umich.edu * teaching, education and corporate research & development. 144679Sgblack@eecs.umich.edu * Illustrative examples of commercial use are distributing products for 154679Sgblack@eecs.umich.edu * commercial advantage and providing services using the software for 164679Sgblack@eecs.umich.edu * commercial advantage. 174679Sgblack@eecs.umich.edu * 184679Sgblack@eecs.umich.edu * If you wish to use this software or functionality therein that may be 194679Sgblack@eecs.umich.edu * covered by patents for commercial use, please contact: 204679Sgblack@eecs.umich.edu * Director of Intellectual Property Licensing 214679Sgblack@eecs.umich.edu * Office of Strategy and Technology 224679Sgblack@eecs.umich.edu * Hewlett-Packard Company 234679Sgblack@eecs.umich.edu * 1501 Page Mill Road 244679Sgblack@eecs.umich.edu * Palo Alto, California 94304 254679Sgblack@eecs.umich.edu * 264679Sgblack@eecs.umich.edu * Redistributions of source code must retain the above copyright notice, 274679Sgblack@eecs.umich.edu * this list of conditions and the following disclaimer. Redistributions 284679Sgblack@eecs.umich.edu * in binary form must reproduce the above copyright notice, this list of 294679Sgblack@eecs.umich.edu * conditions and the following disclaimer in the documentation and/or 304679Sgblack@eecs.umich.edu * other materials provided with the distribution. Neither the name of 314679Sgblack@eecs.umich.edu * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 324679Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 334679Sgblack@eecs.umich.edu * this software without specific prior written permission. No right of 344679Sgblack@eecs.umich.edu * sublicense is granted herewith. Derivatives of the software and 354679Sgblack@eecs.umich.edu * output created using the software may be prepared, but only for 364679Sgblack@eecs.umich.edu * Non-Commercial Uses. Derivatives of the software may be shared with 374679Sgblack@eecs.umich.edu * others provided: (i) the others agree to abide by the list of 384679Sgblack@eecs.umich.edu * conditions herein which includes the Non-Commercial Use restrictions; 394679Sgblack@eecs.umich.edu * and (ii) such Derivatives of the software include the above copyright 404679Sgblack@eecs.umich.edu * notice to acknowledge the contribution from this software where 414679Sgblack@eecs.umich.edu * applicable, this list of conditions and the disclaimer below. 424679Sgblack@eecs.umich.edu * 434679Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 444679Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 454679Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 464679Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 474679Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 484679Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 494679Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 504679Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 514679Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 524679Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 534679Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 544679Sgblack@eecs.umich.edu * 554679Sgblack@eecs.umich.edu * Authors: Gabe Black 564679Sgblack@eecs.umich.edu */ 574679Sgblack@eecs.umich.edu 584679Sgblack@eecs.umich.edu#include "arch/x86/insts/static_inst.hh" 594679Sgblack@eecs.umich.edu 604679Sgblack@eecs.umich.edunamespace X86ISA 614679Sgblack@eecs.umich.edu{ 624679Sgblack@eecs.umich.edu void X86StaticInst::printMnemonic(std::ostream &os, 634679Sgblack@eecs.umich.edu const char * mnemonic) const 644679Sgblack@eecs.umich.edu { 654679Sgblack@eecs.umich.edu ccprintf(os, "\t%s ", mnemonic); 664679Sgblack@eecs.umich.edu } 674679Sgblack@eecs.umich.edu 684679Sgblack@eecs.umich.edu void X86StaticInst::printMnemonic(std::ostream &os, 694679Sgblack@eecs.umich.edu const char * instMnemonic, const char * mnemonic) const 704679Sgblack@eecs.umich.edu { 714679Sgblack@eecs.umich.edu ccprintf(os, "\t%s : %s ", instMnemonic, mnemonic); 724679Sgblack@eecs.umich.edu } 734679Sgblack@eecs.umich.edu 744679Sgblack@eecs.umich.edu void X86StaticInst::printSegment(std::ostream &os, int segment) const 754679Sgblack@eecs.umich.edu { 764679Sgblack@eecs.umich.edu switch (segment) 774679Sgblack@eecs.umich.edu { 784679Sgblack@eecs.umich.edu case 0: 794679Sgblack@eecs.umich.edu ccprintf(os, "ES"); 804679Sgblack@eecs.umich.edu break; 814679Sgblack@eecs.umich.edu case 1: 824679Sgblack@eecs.umich.edu ccprintf(os, "CS"); 834679Sgblack@eecs.umich.edu break; 844679Sgblack@eecs.umich.edu case 2: 854679Sgblack@eecs.umich.edu ccprintf(os, "SS"); 864679Sgblack@eecs.umich.edu break; 874679Sgblack@eecs.umich.edu case 3: 884679Sgblack@eecs.umich.edu ccprintf(os, "DS"); 894679Sgblack@eecs.umich.edu break; 904679Sgblack@eecs.umich.edu case 4: 914679Sgblack@eecs.umich.edu ccprintf(os, "FS"); 924679Sgblack@eecs.umich.edu break; 934679Sgblack@eecs.umich.edu case 5: 944679Sgblack@eecs.umich.edu ccprintf(os, "GS"); 954679Sgblack@eecs.umich.edu break; 964679Sgblack@eecs.umich.edu default: 974679Sgblack@eecs.umich.edu panic("Unrecognized segment %d\n", segment); 984679Sgblack@eecs.umich.edu } 994679Sgblack@eecs.umich.edu } 1004679Sgblack@eecs.umich.edu 1014679Sgblack@eecs.umich.edu void 1024693Sgblack@eecs.umich.edu X86StaticInst::printSrcReg(std::ostream &os, int reg, int size) const 1034679Sgblack@eecs.umich.edu { 1044679Sgblack@eecs.umich.edu if(_numSrcRegs > reg) 1054693Sgblack@eecs.umich.edu printReg(os, _srcRegIdx[reg], size); 1064679Sgblack@eecs.umich.edu } 1074679Sgblack@eecs.umich.edu 1084679Sgblack@eecs.umich.edu void 1094693Sgblack@eecs.umich.edu X86StaticInst::printDestReg(std::ostream &os, int reg, int size) const 1104679Sgblack@eecs.umich.edu { 1114679Sgblack@eecs.umich.edu if(_numDestRegs > reg) 1124693Sgblack@eecs.umich.edu printReg(os, _destRegIdx[reg], size); 1134679Sgblack@eecs.umich.edu } 1144679Sgblack@eecs.umich.edu 1154679Sgblack@eecs.umich.edu void 1164693Sgblack@eecs.umich.edu X86StaticInst::printReg(std::ostream &os, int reg, int size) const 1174679Sgblack@eecs.umich.edu { 1184693Sgblack@eecs.umich.edu assert(size == 1 || size == 2 || size == 4 || size == 8); 1194693Sgblack@eecs.umich.edu static const char * abcdFormats[9] = 1204807Sgblack@eecs.umich.edu {"", "%s", "%sx", "", "e%sx", "", "", "", "r%sx"}; 1214693Sgblack@eecs.umich.edu static const char * piFormats[9] = 1224807Sgblack@eecs.umich.edu {"", "%s", "%s", "", "e%s", "", "", "", "r%s"}; 1234693Sgblack@eecs.umich.edu static const char * longFormats[9] = 1244693Sgblack@eecs.umich.edu {"", "r%sb", "r%sw", "", "r%sd", "", "", "", "r%s"}; 1254693Sgblack@eecs.umich.edu static const char * microFormats[9] = 1264693Sgblack@eecs.umich.edu {"", "t%db", "t%dw", "", "t%dd", "", "", "", "t%d"}; 1274693Sgblack@eecs.umich.edu 1284679Sgblack@eecs.umich.edu if (reg < FP_Base_DepTag) { 1295202Sstever@gmail.com const char * suffix = ""; 1304807Sgblack@eecs.umich.edu bool fold = reg & (1 << 6); 1314807Sgblack@eecs.umich.edu reg &= ~(1 << 6); 1324807Sgblack@eecs.umich.edu 1334807Sgblack@eecs.umich.edu if(fold) 1344807Sgblack@eecs.umich.edu { 1354807Sgblack@eecs.umich.edu suffix = "h"; 1364807Sgblack@eecs.umich.edu reg -= 4; 1374807Sgblack@eecs.umich.edu } 1384807Sgblack@eecs.umich.edu else if(reg < 8 && size == 1) 1394807Sgblack@eecs.umich.edu suffix = "l"; 1404807Sgblack@eecs.umich.edu 1414679Sgblack@eecs.umich.edu switch (reg) { 1424679Sgblack@eecs.umich.edu case INTREG_RAX: 1434693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "a"); 1444679Sgblack@eecs.umich.edu break; 1454679Sgblack@eecs.umich.edu case INTREG_RBX: 1464693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "b"); 1474679Sgblack@eecs.umich.edu break; 1484679Sgblack@eecs.umich.edu case INTREG_RCX: 1494693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "c"); 1504679Sgblack@eecs.umich.edu break; 1514679Sgblack@eecs.umich.edu case INTREG_RDX: 1524693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "d"); 1534679Sgblack@eecs.umich.edu break; 1544679Sgblack@eecs.umich.edu case INTREG_RSP: 1554693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "sp"); 1564679Sgblack@eecs.umich.edu break; 1574679Sgblack@eecs.umich.edu case INTREG_RBP: 1584693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "bp"); 1594679Sgblack@eecs.umich.edu break; 1604679Sgblack@eecs.umich.edu case INTREG_RSI: 1614693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "si"); 1624679Sgblack@eecs.umich.edu break; 1634679Sgblack@eecs.umich.edu case INTREG_RDI: 1644693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "di"); 1654679Sgblack@eecs.umich.edu break; 1664679Sgblack@eecs.umich.edu case INTREG_R8W: 1674693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "8"); 1684679Sgblack@eecs.umich.edu break; 1694679Sgblack@eecs.umich.edu case INTREG_R9W: 1704693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "9"); 1714679Sgblack@eecs.umich.edu break; 1724679Sgblack@eecs.umich.edu case INTREG_R10W: 1734693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "10"); 1744679Sgblack@eecs.umich.edu break; 1754679Sgblack@eecs.umich.edu case INTREG_R11W: 1764693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "11"); 1774679Sgblack@eecs.umich.edu break; 1784679Sgblack@eecs.umich.edu case INTREG_R12W: 1794693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "12"); 1804679Sgblack@eecs.umich.edu break; 1814679Sgblack@eecs.umich.edu case INTREG_R13W: 1824693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "13"); 1834679Sgblack@eecs.umich.edu break; 1844679Sgblack@eecs.umich.edu case INTREG_R14W: 1854693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "14"); 1864679Sgblack@eecs.umich.edu break; 1874679Sgblack@eecs.umich.edu case INTREG_R15W: 1884693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "15"); 1894679Sgblack@eecs.umich.edu break; 1904679Sgblack@eecs.umich.edu default: 1914693Sgblack@eecs.umich.edu ccprintf(os, microFormats[size], reg - NUM_INTREGS); 1924679Sgblack@eecs.umich.edu } 1934807Sgblack@eecs.umich.edu ccprintf(os, suffix); 1944679Sgblack@eecs.umich.edu } else if (reg < Ctrl_Base_DepTag) { 1955045Sgblack@eecs.umich.edu int fpindex = reg - FP_Base_DepTag; 1965045Sgblack@eecs.umich.edu if(fpindex < NumMMXRegs) { 1975045Sgblack@eecs.umich.edu ccprintf(os, "%%mmx%d", reg - FP_Base_DepTag); 1985045Sgblack@eecs.umich.edu return; 1995045Sgblack@eecs.umich.edu } 2005045Sgblack@eecs.umich.edu fpindex -= NumMMXRegs; 2015121Sgblack@eecs.umich.edu if(fpindex < NumXMMRegs * 2) { 2025045Sgblack@eecs.umich.edu ccprintf(os, "%%xmm%d_%s", fpindex / 2, 2035045Sgblack@eecs.umich.edu (fpindex % 2) ? "high": "low"); 2045045Sgblack@eecs.umich.edu return; 2055045Sgblack@eecs.umich.edu } 2065121Sgblack@eecs.umich.edu fpindex -= NumXMMRegs * 2; 2075121Sgblack@eecs.umich.edu if(fpindex < NumMicroFpRegs) { 2085121Sgblack@eecs.umich.edu ccprintf(os, "%%ufp%d", fpindex); 2095121Sgblack@eecs.umich.edu return; 2105121Sgblack@eecs.umich.edu } 2115121Sgblack@eecs.umich.edu fpindex -= NumMicroFpRegs; 2125121Sgblack@eecs.umich.edu ccprintf(os, "%%st(%d)", fpindex); 2134679Sgblack@eecs.umich.edu } else { 2144679Sgblack@eecs.umich.edu switch (reg - Ctrl_Base_DepTag) { 2154679Sgblack@eecs.umich.edu default: 2164679Sgblack@eecs.umich.edu ccprintf(os, "%%ctrl%d", reg - Ctrl_Base_DepTag); 2174679Sgblack@eecs.umich.edu } 2184679Sgblack@eecs.umich.edu } 2194679Sgblack@eecs.umich.edu } 2204679Sgblack@eecs.umich.edu 2214679Sgblack@eecs.umich.edu std::string X86StaticInst::generateDisassembly(Addr pc, 2224679Sgblack@eecs.umich.edu const SymbolTable *symtab) const 2234679Sgblack@eecs.umich.edu { 2244679Sgblack@eecs.umich.edu std::stringstream ss; 2254679Sgblack@eecs.umich.edu 2264679Sgblack@eecs.umich.edu printMnemonic(ss, mnemonic); 2274679Sgblack@eecs.umich.edu 2284679Sgblack@eecs.umich.edu return ss.str(); 2294679Sgblack@eecs.umich.edu } 2304679Sgblack@eecs.umich.edu} 231