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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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