| /* |
| * Copyright (c) 2007 The Hewlett-Packard Development Company |
| * Copyright (c) 2013 Advanced Micro Devices, Inc. |
| * All rights reserved. |
| * |
| * The license below extends only to copyright in the software and shall |
| * not be construed as granting a license to any other intellectual |
| * property including but not limited to intellectual property relating |
| * to a hardware implementation of the functionality of the software |
| * licensed hereunder. You may use the software subject to the license |
| * terms below provided that you ensure that this notice is replicated |
| * unmodified and in its entirety in all distributions of the software, |
| * modified or unmodified, in source code or in binary form. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: 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 holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * 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. |
| */ |
| |
| #include "arch/x86/insts/static_inst.hh" |
| |
| #include "arch/x86/regs/segment.hh" |
| #include "cpu/reg_class.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, RegId 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"}; |
| |
| RegIndex reg_idx = reg.index(); |
| |
| if (reg.isIntReg()) { |
| const char * suffix = ""; |
| bool fold = reg_idx & IntFoldBit; |
| reg_idx &= ~IntFoldBit; |
| |
| if (fold) |
| suffix = "h"; |
| else if (reg_idx < 8 && size == 1) |
| suffix = "l"; |
| |
| switch (reg_idx) { |
| 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_idx - NUM_INTREGS); |
| } |
| ccprintf(os, suffix); |
| |
| } else if (reg.isFloatReg()) { |
| if (reg_idx < NumMMXRegs) { |
| ccprintf(os, "%%mmx%d", reg_idx); |
| return; |
| } |
| reg_idx -= NumMMXRegs; |
| if (reg_idx < NumXMMRegs * 2) { |
| ccprintf(os, "%%xmm%d_%s", reg_idx / 2, |
| (reg_idx % 2) ? "high": "low"); |
| return; |
| } |
| reg_idx -= NumXMMRegs * 2; |
| if (reg_idx < NumMicroFpRegs) { |
| ccprintf(os, "%%ufp%d", reg_idx); |
| return; |
| } |
| reg_idx -= NumMicroFpRegs; |
| ccprintf(os, "%%st(%d)", reg_idx); |
| |
| } else if (reg.isCCReg()) { |
| ccprintf(os, "%%cc%d", reg_idx); |
| |
| } else if (reg.isMiscReg()) { |
| switch (reg_idx) { |
| default: |
| ccprintf(os, "%%ctrl%d", reg_idx); |
| } |
| } |
| } |
| |
| 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, InstRegIndex(index), addressSize); |
| someAddr = true; |
| } |
| if (base != ZeroReg) { |
| if (someAddr) |
| os << " + "; |
| printReg(os, InstRegIndex(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 Loader::SymbolTable *symtab) const |
| { |
| std::stringstream ss; |
| |
| printMnemonic(ss, mnemonic); |
| |
| return ss.str(); |
| } |
| |
| } |
