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-// 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
-
-////////////////////////////////////////////////////////////////////
-//
-// Base class for sparc instructions, and some support functions
-//
-
-let {{
- # This class will help make dealing with output a little less verbose
- class OutputBlocks(object):
- def __init__(self, header_output="",
- decoder_output="",
- decode_block="",
- exec_output=""):
- self.header_output = header_output
- self.decoder_output = decoder_output
- self.decode_block = decode_block
- self.exec_output = exec_output
-
- def append(self, blocks):
- if isinstance(blocks, list) or isinstance(blocks, tuple):
- assert(len(blocks) == 4)
- self.header_output += blocks[0]
- self.decoder_output += blocks[1]
- self.decode_block += blocks[2]
- self.exec_output += blocks[3]
- else:
- self.header_output += blocks.header_output
- self.decoder_output += blocks.decoder_output
- self.decode_block += blocks.decode_block
- self.exec_output += blocks.exec_output
-
- def makeList(self):
- return (self.header_output,
- self.decoder_output,
- self.decode_block,
- self.exec_output)
-}};
-
-output header {{
-
- /**
- * Base class for all X86 static instructions.
- */
- BitUnion64(X86IntReg)
- Bitfield<63,0> R;
- Bitfield<31,0> E;
- Bitfield<15,0> X;
- Bitfield<15,8> H;
- Bitfield<7, 0> L;
- EndBitUnion(X86IntReg)
-
- class X86StaticInst : public StaticInst
- {
- protected:
- // Constructor.
- X86StaticInst(const char *mnem,
- ExtMachInst _machInst, OpClass __opClass)
- : StaticInst(mnem, _machInst, __opClass)
- {
- }
-
- std::string generateDisassembly(Addr pc,
- const SymbolTable *symtab) const;
-
- void printReg(std::ostream &os, int reg) const;
- void printSrcReg(std::ostream &os, int reg) const;
- void printDestReg(std::ostream &os, int reg) const;
-
- inline uint64_t merge(uint64_t into, uint64_t val, int size) const
- {
- X86IntReg reg;
- reg = into;
- //FIXME This needs to be handle high bytes as well
- switch(size)
- {
- case 1:
- reg.L = val;
- break;
- case 2:
- reg.X = val;
- break;
- case 4:
- //XXX Check if this should be zeroed or sign extended
- reg = 0;
- reg.E = val;
- break;
- case 8:
- reg.R = val;
- break;
- default:
- panic("Tried to merge with unrecognized size %d.\n", size);
- }
- return val;
- }
-
- inline uint64_t pick(uint64_t from, int size)
- {
- X86IntReg reg;
- reg = from;
- switch(size)
- {
- case 1:
- return reg.L;
- case 2:
- return reg.E;
- case 4:
- return reg.X;
- case 8:
- return reg.R;
- default:
- panic("Tried to pick with unrecognized size %d.\n", size);
- }
- }
-
- };
-}};
-
-output decoder {{
-
- inline void printMnemonic(std::ostream &os, const char * mnemonic)
- {
- ccprintf(os, "\t%s ", mnemonic);
- }
-
- inline void printMnemonic(std::ostream &os,
- const char * instMnemonic, const char * mnemonic)
- {
- ccprintf(os, "\t%s : %s ", instMnemonic, mnemonic);
- }
-
- void printSegment(std::ostream &os, int segment)
- {
- 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) const
- {
- if(_numSrcRegs > reg)
- printReg(os, _srcRegIdx[reg]);
- }
-
- void
- X86StaticInst::printDestReg(std::ostream &os, int reg) const
- {
- if(_numDestRegs > reg)
- printReg(os, _destRegIdx[reg]);
- }
-
- void
- X86StaticInst::printReg(std::ostream &os, int reg) const
- {
- if (reg < FP_Base_DepTag) {
- //FIXME These should print differently depending on the
- //mode etc, but for now this will get the point across
- switch (reg) {
- case INTREG_RAX:
- ccprintf(os, "rax");
- break;
- case INTREG_RBX:
- ccprintf(os, "rbx");
- break;
- case INTREG_RCX:
- ccprintf(os, "rcx");
- break;
- case INTREG_RDX:
- ccprintf(os, "rdx");
- break;
- case INTREG_RSP:
- ccprintf(os, "rsp");
- break;
- case INTREG_RBP:
- ccprintf(os, "rbp");
- break;
- case INTREG_RSI:
- ccprintf(os, "rsi");
- break;
- case INTREG_RDI:
- ccprintf(os, "rdi");
- break;
- case INTREG_R8W:
- ccprintf(os, "r8");
- break;
- case INTREG_R9W:
- ccprintf(os, "r9");
- break;
- case INTREG_R10W:
- ccprintf(os, "r10");
- break;
- case INTREG_R11W:
- ccprintf(os, "r11");
- break;
- case INTREG_R12W:
- ccprintf(os, "r12");
- break;
- case INTREG_R13W:
- ccprintf(os, "r13");
- break;
- case INTREG_R14W:
- ccprintf(os, "r14");
- break;
- case INTREG_R15W:
- ccprintf(os, "r15");
- break;
- default:
- ccprintf(os, "t%d", 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();
- }
-}};
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