| /* |
| * 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, "\t%s ", mnemonic); |
| } |
| |
| void X86StaticInst::printMnemonic(std::ostream &os, |
| const char * instMnemonic, const char * mnemonic) const |
| { |
| ccprintf(os, "\t%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"; |
| reg -= 4; |
| } |
| 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); |
| } |
| } |
| } |
| |
| std::string X86StaticInst::generateDisassembly(Addr pc, |
| const SymbolTable *symtab) const |
| { |
| std::stringstream ss; |
| |
| printMnemonic(ss, mnemonic); |
| |
| return ss.str(); |
| } |
| } |