static_inst.cc revision 6361
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. 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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" 595232Sgblack@eecs.umich.edu#include "arch/x86/segmentregs.hh" 604679Sgblack@eecs.umich.edu 614679Sgblack@eecs.umich.edunamespace X86ISA 624679Sgblack@eecs.umich.edu{ 634679Sgblack@eecs.umich.edu void X86StaticInst::printMnemonic(std::ostream &os, 644679Sgblack@eecs.umich.edu const char * mnemonic) const 654679Sgblack@eecs.umich.edu { 665785Sgblack@eecs.umich.edu ccprintf(os, " %s ", mnemonic); 674679Sgblack@eecs.umich.edu } 684679Sgblack@eecs.umich.edu 694679Sgblack@eecs.umich.edu void X86StaticInst::printMnemonic(std::ostream &os, 704679Sgblack@eecs.umich.edu const char * instMnemonic, const char * mnemonic) const 714679Sgblack@eecs.umich.edu { 725785Sgblack@eecs.umich.edu ccprintf(os, " %s : %s ", instMnemonic, mnemonic); 734679Sgblack@eecs.umich.edu } 744679Sgblack@eecs.umich.edu 754679Sgblack@eecs.umich.edu void X86StaticInst::printSegment(std::ostream &os, int segment) const 764679Sgblack@eecs.umich.edu { 774679Sgblack@eecs.umich.edu switch (segment) 784679Sgblack@eecs.umich.edu { 795232Sgblack@eecs.umich.edu case SEGMENT_REG_ES: 804679Sgblack@eecs.umich.edu ccprintf(os, "ES"); 814679Sgblack@eecs.umich.edu break; 825232Sgblack@eecs.umich.edu case SEGMENT_REG_CS: 834679Sgblack@eecs.umich.edu ccprintf(os, "CS"); 844679Sgblack@eecs.umich.edu break; 855232Sgblack@eecs.umich.edu case SEGMENT_REG_SS: 864679Sgblack@eecs.umich.edu ccprintf(os, "SS"); 874679Sgblack@eecs.umich.edu break; 885232Sgblack@eecs.umich.edu case SEGMENT_REG_DS: 894679Sgblack@eecs.umich.edu ccprintf(os, "DS"); 904679Sgblack@eecs.umich.edu break; 915232Sgblack@eecs.umich.edu case SEGMENT_REG_FS: 924679Sgblack@eecs.umich.edu ccprintf(os, "FS"); 934679Sgblack@eecs.umich.edu break; 945232Sgblack@eecs.umich.edu case SEGMENT_REG_GS: 954679Sgblack@eecs.umich.edu ccprintf(os, "GS"); 964679Sgblack@eecs.umich.edu break; 975294Sgblack@eecs.umich.edu case SEGMENT_REG_HS: 985294Sgblack@eecs.umich.edu ccprintf(os, "HS"); 995294Sgblack@eecs.umich.edu break; 1005294Sgblack@eecs.umich.edu case SEGMENT_REG_TSL: 1015294Sgblack@eecs.umich.edu ccprintf(os, "TSL"); 1025294Sgblack@eecs.umich.edu break; 1035294Sgblack@eecs.umich.edu case SEGMENT_REG_TSG: 1045294Sgblack@eecs.umich.edu ccprintf(os, "TSG"); 1055294Sgblack@eecs.umich.edu break; 1065294Sgblack@eecs.umich.edu case SEGMENT_REG_LS: 1075294Sgblack@eecs.umich.edu ccprintf(os, "LS"); 1085294Sgblack@eecs.umich.edu break; 1095294Sgblack@eecs.umich.edu case SEGMENT_REG_MS: 1105294Sgblack@eecs.umich.edu ccprintf(os, "MS"); 1115294Sgblack@eecs.umich.edu break; 1125294Sgblack@eecs.umich.edu case SYS_SEGMENT_REG_TR: 1135294Sgblack@eecs.umich.edu ccprintf(os, "TR"); 1145294Sgblack@eecs.umich.edu break; 1155294Sgblack@eecs.umich.edu case SYS_SEGMENT_REG_IDTR: 1165294Sgblack@eecs.umich.edu ccprintf(os, "IDTR"); 1175232Sgblack@eecs.umich.edu break; 1184679Sgblack@eecs.umich.edu default: 1194679Sgblack@eecs.umich.edu panic("Unrecognized segment %d\n", segment); 1204679Sgblack@eecs.umich.edu } 1214679Sgblack@eecs.umich.edu } 1224679Sgblack@eecs.umich.edu 1234679Sgblack@eecs.umich.edu void 1244693Sgblack@eecs.umich.edu X86StaticInst::printSrcReg(std::ostream &os, int reg, int size) const 1254679Sgblack@eecs.umich.edu { 1264679Sgblack@eecs.umich.edu if(_numSrcRegs > reg) 1274693Sgblack@eecs.umich.edu printReg(os, _srcRegIdx[reg], size); 1284679Sgblack@eecs.umich.edu } 1294679Sgblack@eecs.umich.edu 1304679Sgblack@eecs.umich.edu void 1314693Sgblack@eecs.umich.edu X86StaticInst::printDestReg(std::ostream &os, int reg, int size) const 1324679Sgblack@eecs.umich.edu { 1334679Sgblack@eecs.umich.edu if(_numDestRegs > reg) 1344693Sgblack@eecs.umich.edu printReg(os, _destRegIdx[reg], size); 1354679Sgblack@eecs.umich.edu } 1364679Sgblack@eecs.umich.edu 1374679Sgblack@eecs.umich.edu void 1384693Sgblack@eecs.umich.edu X86StaticInst::printReg(std::ostream &os, int reg, int size) const 1394679Sgblack@eecs.umich.edu { 1404693Sgblack@eecs.umich.edu assert(size == 1 || size == 2 || size == 4 || size == 8); 1414693Sgblack@eecs.umich.edu static const char * abcdFormats[9] = 1424807Sgblack@eecs.umich.edu {"", "%s", "%sx", "", "e%sx", "", "", "", "r%sx"}; 1434693Sgblack@eecs.umich.edu static const char * piFormats[9] = 1444807Sgblack@eecs.umich.edu {"", "%s", "%s", "", "e%s", "", "", "", "r%s"}; 1454693Sgblack@eecs.umich.edu static const char * longFormats[9] = 1464693Sgblack@eecs.umich.edu {"", "r%sb", "r%sw", "", "r%sd", "", "", "", "r%s"}; 1474693Sgblack@eecs.umich.edu static const char * microFormats[9] = 1484693Sgblack@eecs.umich.edu {"", "t%db", "t%dw", "", "t%dd", "", "", "", "t%d"}; 1494693Sgblack@eecs.umich.edu 1504679Sgblack@eecs.umich.edu if (reg < FP_Base_DepTag) { 1515202Sstever@gmail.com const char * suffix = ""; 1526361Sgblack@eecs.umich.edu bool fold = reg & IntFoldBit; 1536361Sgblack@eecs.umich.edu reg &= ~IntFoldBit; 1544807Sgblack@eecs.umich.edu 1554807Sgblack@eecs.umich.edu if(fold) 1564807Sgblack@eecs.umich.edu suffix = "h"; 1574807Sgblack@eecs.umich.edu else if(reg < 8 && size == 1) 1584807Sgblack@eecs.umich.edu suffix = "l"; 1594807Sgblack@eecs.umich.edu 1604679Sgblack@eecs.umich.edu switch (reg) { 1614679Sgblack@eecs.umich.edu case INTREG_RAX: 1624693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "a"); 1634679Sgblack@eecs.umich.edu break; 1644679Sgblack@eecs.umich.edu case INTREG_RBX: 1654693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "b"); 1664679Sgblack@eecs.umich.edu break; 1674679Sgblack@eecs.umich.edu case INTREG_RCX: 1684693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "c"); 1694679Sgblack@eecs.umich.edu break; 1704679Sgblack@eecs.umich.edu case INTREG_RDX: 1714693Sgblack@eecs.umich.edu ccprintf(os, abcdFormats[size], "d"); 1724679Sgblack@eecs.umich.edu break; 1734679Sgblack@eecs.umich.edu case INTREG_RSP: 1744693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "sp"); 1754679Sgblack@eecs.umich.edu break; 1764679Sgblack@eecs.umich.edu case INTREG_RBP: 1774693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "bp"); 1784679Sgblack@eecs.umich.edu break; 1794679Sgblack@eecs.umich.edu case INTREG_RSI: 1804693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "si"); 1814679Sgblack@eecs.umich.edu break; 1824679Sgblack@eecs.umich.edu case INTREG_RDI: 1834693Sgblack@eecs.umich.edu ccprintf(os, piFormats[size], "di"); 1844679Sgblack@eecs.umich.edu break; 1854679Sgblack@eecs.umich.edu case INTREG_R8W: 1864693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "8"); 1874679Sgblack@eecs.umich.edu break; 1884679Sgblack@eecs.umich.edu case INTREG_R9W: 1894693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "9"); 1904679Sgblack@eecs.umich.edu break; 1914679Sgblack@eecs.umich.edu case INTREG_R10W: 1924693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "10"); 1934679Sgblack@eecs.umich.edu break; 1944679Sgblack@eecs.umich.edu case INTREG_R11W: 1954693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "11"); 1964679Sgblack@eecs.umich.edu break; 1974679Sgblack@eecs.umich.edu case INTREG_R12W: 1984693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "12"); 1994679Sgblack@eecs.umich.edu break; 2004679Sgblack@eecs.umich.edu case INTREG_R13W: 2014693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "13"); 2024679Sgblack@eecs.umich.edu break; 2034679Sgblack@eecs.umich.edu case INTREG_R14W: 2044693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "14"); 2054679Sgblack@eecs.umich.edu break; 2064679Sgblack@eecs.umich.edu case INTREG_R15W: 2074693Sgblack@eecs.umich.edu ccprintf(os, longFormats[size], "15"); 2084679Sgblack@eecs.umich.edu break; 2094679Sgblack@eecs.umich.edu default: 2104693Sgblack@eecs.umich.edu ccprintf(os, microFormats[size], reg - NUM_INTREGS); 2114679Sgblack@eecs.umich.edu } 2124807Sgblack@eecs.umich.edu ccprintf(os, suffix); 2134679Sgblack@eecs.umich.edu } else if (reg < Ctrl_Base_DepTag) { 2145045Sgblack@eecs.umich.edu int fpindex = reg - FP_Base_DepTag; 2155045Sgblack@eecs.umich.edu if(fpindex < NumMMXRegs) { 2165045Sgblack@eecs.umich.edu ccprintf(os, "%%mmx%d", reg - FP_Base_DepTag); 2175045Sgblack@eecs.umich.edu return; 2185045Sgblack@eecs.umich.edu } 2195045Sgblack@eecs.umich.edu fpindex -= NumMMXRegs; 2205121Sgblack@eecs.umich.edu if(fpindex < NumXMMRegs * 2) { 2215045Sgblack@eecs.umich.edu ccprintf(os, "%%xmm%d_%s", fpindex / 2, 2225045Sgblack@eecs.umich.edu (fpindex % 2) ? "high": "low"); 2235045Sgblack@eecs.umich.edu return; 2245045Sgblack@eecs.umich.edu } 2255121Sgblack@eecs.umich.edu fpindex -= NumXMMRegs * 2; 2265121Sgblack@eecs.umich.edu if(fpindex < NumMicroFpRegs) { 2275121Sgblack@eecs.umich.edu ccprintf(os, "%%ufp%d", fpindex); 2285121Sgblack@eecs.umich.edu return; 2295121Sgblack@eecs.umich.edu } 2305121Sgblack@eecs.umich.edu fpindex -= NumMicroFpRegs; 2315121Sgblack@eecs.umich.edu ccprintf(os, "%%st(%d)", fpindex); 2324679Sgblack@eecs.umich.edu } else { 2334679Sgblack@eecs.umich.edu switch (reg - Ctrl_Base_DepTag) { 2344679Sgblack@eecs.umich.edu default: 2354679Sgblack@eecs.umich.edu ccprintf(os, "%%ctrl%d", reg - Ctrl_Base_DepTag); 2364679Sgblack@eecs.umich.edu } 2374679Sgblack@eecs.umich.edu } 2384679Sgblack@eecs.umich.edu } 2394679Sgblack@eecs.umich.edu 2405787Sgblack@eecs.umich.edu void X86StaticInst::printMem(std::ostream &os, uint8_t segment, 2415787Sgblack@eecs.umich.edu uint8_t scale, RegIndex index, RegIndex base, 2425787Sgblack@eecs.umich.edu uint64_t disp, uint8_t addressSize, bool rip) const 2435787Sgblack@eecs.umich.edu { 2445787Sgblack@eecs.umich.edu bool someAddr = false; 2455787Sgblack@eecs.umich.edu printSegment(os, segment); 2465787Sgblack@eecs.umich.edu os << ":["; 2475787Sgblack@eecs.umich.edu if (rip) { 2485787Sgblack@eecs.umich.edu os << "rip"; 2495787Sgblack@eecs.umich.edu someAddr = true; 2505787Sgblack@eecs.umich.edu } else { 2515787Sgblack@eecs.umich.edu if (scale != 0 && index != ZeroReg) 2525787Sgblack@eecs.umich.edu { 2535787Sgblack@eecs.umich.edu if(scale != 1) 2545787Sgblack@eecs.umich.edu ccprintf(os, "%d*", scale); 2555787Sgblack@eecs.umich.edu printReg(os, index, addressSize); 2565787Sgblack@eecs.umich.edu someAddr = true; 2575787Sgblack@eecs.umich.edu } 2585787Sgblack@eecs.umich.edu if (base != ZeroReg) 2595787Sgblack@eecs.umich.edu { 2605787Sgblack@eecs.umich.edu if(someAddr) 2615787Sgblack@eecs.umich.edu os << " + "; 2625787Sgblack@eecs.umich.edu printReg(os, base, addressSize); 2635787Sgblack@eecs.umich.edu someAddr = true; 2645787Sgblack@eecs.umich.edu } 2655787Sgblack@eecs.umich.edu } 2665787Sgblack@eecs.umich.edu if (disp != 0) 2675787Sgblack@eecs.umich.edu { 2685787Sgblack@eecs.umich.edu if(someAddr) 2695787Sgblack@eecs.umich.edu os << " + "; 2705787Sgblack@eecs.umich.edu ccprintf(os, "%#x", disp); 2715787Sgblack@eecs.umich.edu someAddr = true; 2725787Sgblack@eecs.umich.edu } 2735787Sgblack@eecs.umich.edu if (!someAddr) 2745787Sgblack@eecs.umich.edu os << "0"; 2755787Sgblack@eecs.umich.edu os << "]"; 2765787Sgblack@eecs.umich.edu } 2775787Sgblack@eecs.umich.edu 2784679Sgblack@eecs.umich.edu std::string X86StaticInst::generateDisassembly(Addr pc, 2794679Sgblack@eecs.umich.edu const SymbolTable *symtab) const 2804679Sgblack@eecs.umich.edu { 2814679Sgblack@eecs.umich.edu std::stringstream ss; 2824679Sgblack@eecs.umich.edu 2834679Sgblack@eecs.umich.edu printMnemonic(ss, mnemonic); 2844679Sgblack@eecs.umich.edu 2854679Sgblack@eecs.umich.edu return ss.str(); 2864679Sgblack@eecs.umich.edu } 2874679Sgblack@eecs.umich.edu} 288