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Diffstat (limited to 'src/arch/x86/insts/static_inst.cc')
| -rw-r--r-- | src/arch/x86/insts/static_inst.cc | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/src/arch/x86/insts/static_inst.cc b/src/arch/x86/insts/static_inst.cc new file mode 100644 index 000000000..9b2f81e49 --- /dev/null +++ b/src/arch/x86/insts/static_inst.cc @@ -0,0 +1,200 @@ +/* + * 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" + +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 0: + ccprintf(os, "ES"); + break; + case 1: + ccprintf(os, "CS"); + break; + case 2: + ccprintf(os, "SS"); + break; + case 3: + ccprintf(os, "DS"); + break; + case 4: + ccprintf(os, "FS"); + break; + case 5: + ccprintf(os, "GS"); + 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] = + {"", "%sl", "%sx", "", "e%sx", "", "", "", "r%sx"}; + static const char * piFormats[9] = + {"", "%sl", "%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) { + 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); + } + } else if (reg < Ctrl_Base_DepTag) { + ccprintf(os, "%%f%d", reg - FP_Base_DepTag); + } 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(); + } +} |