/* * Copyright (c) 2007 The Hewlett-Packard Development Company * All rights reserved. * * Redistribution and use of this software in source and binary forms, * with or without modification, are permitted provided that the * following conditions are met: * * The software must be used only for Non-Commercial Use which means any * use which is NOT directed to receiving any direct monetary * compensation for, or commercial advantage from such use. Illustrative * examples of non-commercial use are academic research, personal study, * teaching, education and corporate research & development. * Illustrative examples of commercial use are distributing products for * commercial advantage and providing services using the software for * commercial advantage. * * If you wish to use this software or functionality therein that may be * covered by patents for commercial use, please contact: * Director of Intellectual Property Licensing * Office of Strategy and Technology * Hewlett-Packard Company * 1501 Page Mill Road * Palo Alto, California 94304 * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. Redistributions * in binary form must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. Neither the name of * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its * contributors may be used to endorse or promote products derived from * this software without specific prior written permission. No right of * sublicense is granted herewith. Derivatives of the software and * output created using the software may be prepared, but only for * Non-Commercial Uses. Derivatives of the software may be shared with * others provided: (i) the others agree to abide by the list of * conditions herein which includes the Non-Commercial Use restrictions; * and (ii) such Derivatives of the software include the above copyright * notice to acknowledge the contribution from this software where * applicable, this list of conditions and the disclaimer below. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * Authors: Gabe Black */ #include "arch/x86/insts/static_inst.hh" #include "arch/x86/segmentregs.hh" namespace X86ISA { void X86StaticInst::printMnemonic(std::ostream &os, const char * mnemonic) const { ccprintf(os, " %s ", mnemonic); } void X86StaticInst::printMnemonic(std::ostream &os, const char * instMnemonic, const char * mnemonic) const { ccprintf(os, " %s : %s ", instMnemonic, mnemonic); } void X86StaticInst::printSegment(std::ostream &os, int segment) const { switch (segment) { case SEGMENT_REG_ES: ccprintf(os, "ES"); break; case SEGMENT_REG_CS: ccprintf(os, "CS"); break; case SEGMENT_REG_SS: ccprintf(os, "SS"); break; case SEGMENT_REG_DS: ccprintf(os, "DS"); break; case SEGMENT_REG_FS: ccprintf(os, "FS"); break; case SEGMENT_REG_GS: ccprintf(os, "GS"); break; case SEGMENT_REG_HS: ccprintf(os, "HS"); break; case SEGMENT_REG_TSL: ccprintf(os, "TSL"); break; case SEGMENT_REG_TSG: ccprintf(os, "TSG"); break; case SEGMENT_REG_LS: ccprintf(os, "LS"); break; case SEGMENT_REG_MS: ccprintf(os, "MS"); break; case SYS_SEGMENT_REG_TR: ccprintf(os, "TR"); break; case SYS_SEGMENT_REG_IDTR: ccprintf(os, "IDTR"); break; default: panic("Unrecognized segment %d\n", segment); } } void X86StaticInst::printSrcReg(std::ostream &os, int reg, int size) const { if(_numSrcRegs > reg) printReg(os, _srcRegIdx[reg], size); } void X86StaticInst::printDestReg(std::ostream &os, int reg, int size) const { if(_numDestRegs > reg) printReg(os, _destRegIdx[reg], size); } void X86StaticInst::printReg(std::ostream &os, int reg, int size) const { assert(size == 1 || size == 2 || size == 4 || size == 8); static const char * abcdFormats[9] = {"", "%s", "%sx", "", "e%sx", "", "", "", "r%sx"}; static const char * piFormats[9] = {"", "%s", "%s", "", "e%s", "", "", "", "r%s"}; static const char * longFormats[9] = {"", "r%sb", "r%sw", "", "r%sd", "", "", "", "r%s"}; static const char * microFormats[9] = {"", "t%db", "t%dw", "", "t%dd", "", "", "", "t%d"}; if (reg < FP_Base_DepTag) { const char * suffix = ""; bool fold = reg & (1 << 6); reg &= ~(1 << 6); if(fold) suffix = "h"; else if(reg < 8 && size == 1) suffix = "l"; switch (reg) { case INTREG_RAX: ccprintf(os, abcdFormats[size], "a"); break; case INTREG_RBX: ccprintf(os, abcdFormats[size], "b"); break; case INTREG_RCX: ccprintf(os, abcdFormats[size], "c"); break; case INTREG_RDX: ccprintf(os, abcdFormats[size], "d"); break; case INTREG_RSP: ccprintf(os, piFormats[size], "sp"); break; case INTREG_RBP: ccprintf(os, piFormats[size], "bp"); break; case INTREG_RSI: ccprintf(os, piFormats[size], "si"); break; case INTREG_RDI: ccprintf(os, piFormats[size], "di"); break; case INTREG_R8W: ccprintf(os, longFormats[size], "8"); break; case INTREG_R9W: ccprintf(os, longFormats[size], "9"); break; case INTREG_R10W: ccprintf(os, longFormats[size], "10"); break; case INTREG_R11W: ccprintf(os, longFormats[size], "11"); break; case INTREG_R12W: ccprintf(os, longFormats[size], "12"); break; case INTREG_R13W: ccprintf(os, longFormats[size], "13"); break; case INTREG_R14W: ccprintf(os, longFormats[size], "14"); break; case INTREG_R15W: ccprintf(os, longFormats[size], "15"); break; default: ccprintf(os, microFormats[size], reg - NUM_INTREGS); } ccprintf(os, suffix); } else if (reg < Ctrl_Base_DepTag) { int fpindex = reg - FP_Base_DepTag; if(fpindex < NumMMXRegs) { ccprintf(os, "%%mmx%d", reg - FP_Base_DepTag); return; } fpindex -= NumMMXRegs; if(fpindex < NumXMMRegs * 2) { ccprintf(os, "%%xmm%d_%s", fpindex / 2, (fpindex % 2) ? "high": "low"); return; } fpindex -= NumXMMRegs * 2; if(fpindex < NumMicroFpRegs) { ccprintf(os, "%%ufp%d", fpindex); return; } fpindex -= NumMicroFpRegs; ccprintf(os, "%%st(%d)", fpindex); } else { switch (reg - Ctrl_Base_DepTag) { default: ccprintf(os, "%%ctrl%d", reg - Ctrl_Base_DepTag); } } } void X86StaticInst::printMem(std::ostream &os, uint8_t segment, uint8_t scale, RegIndex index, RegIndex base, uint64_t disp, uint8_t addressSize, bool rip) const { bool someAddr = false; printSegment(os, segment); os << ":["; if (rip) { os << "rip"; someAddr = true; } else { if (scale != 0 && index != ZeroReg) { if(scale != 1) ccprintf(os, "%d*", scale); printReg(os, index, addressSize); someAddr = true; } if (base != ZeroReg) { if(someAddr) os << " + "; printReg(os, base, addressSize); someAddr = true; } } if (disp != 0) { if(someAddr) os << " + "; ccprintf(os, "%#x", disp); someAddr = true; } if (!someAddr) os << "0"; os << "]"; } std::string X86StaticInst::generateDisassembly(Addr pc, const SymbolTable *symtab) const { std::stringstream ss; printMnemonic(ss, mnemonic); return ss.str(); } }