static_inst.cc revision 4679:0b39fa8f5eb8 
1/*
2 * Copyright (c) 2007 The Hewlett-Packard Development Company
3 * All rights reserved.
4 *
5 * Redistribution and use of this software in source and binary forms,
6 * with or without modification, are permitted provided that the
7 * following conditions are met:
8 *
9 * The software must be used only for Non-Commercial Use which means any
10 * use which is NOT directed to receiving any direct monetary
11 * compensation for, or commercial advantage from such use.  Illustrative
12 * examples of non-commercial use are academic research, personal study,
13 * teaching, education and corporate research & development.
14 * Illustrative examples of commercial use are distributing products for
15 * commercial advantage and providing services using the software for
16 * commercial advantage.
17 *
18 * If you wish to use this software or functionality therein that may be
19 * covered by patents for commercial use, please contact:
20 *     Director of Intellectual Property Licensing
21 *     Office of Strategy and Technology
22 *     Hewlett-Packard Company
23 *     1501 Page Mill Road
24 *     Palo Alto, California  94304
25 *
26 * Redistributions of source code must retain the above copyright notice,
27 * this list of conditions and the following disclaimer.  Redistributions
28 * in binary form must reproduce the above copyright notice, this list of
29 * conditions and the following disclaimer in the documentation and/or
30 * other materials provided with the distribution.  Neither the name of
31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its
32 * contributors may be used to endorse or promote products derived from
33 * this software without specific prior written permission.  No right of
34 * sublicense is granted herewith.  Derivatives of the software and
35 * output created using the software may be prepared, but only for
36 * Non-Commercial Uses.  Derivatives of the software may be shared with
37 * others provided: (i) the others agree to abide by the list of
38 * conditions herein which includes the Non-Commercial Use restrictions;
39 * and (ii) such Derivatives of the software include the above copyright
40 * notice to acknowledge the contribution from this software where
41 * applicable, this list of conditions and the disclaimer below.
42 *
43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
54 *
55 * Authors: Gabe Black
56 */
57
58#include "arch/x86/insts/static_inst.hh"
59
60namespace X86ISA
61{
62    void X86StaticInst::printMnemonic(std::ostream &os,
63            const char * mnemonic) const
64    {
65        ccprintf(os, "\t%s   ", mnemonic);
66    }
67
68    void X86StaticInst::printMnemonic(std::ostream &os,
69            const char * instMnemonic, const char * mnemonic) const
70    {
71        ccprintf(os, "\t%s : %s   ", instMnemonic, mnemonic);
72    }
73
74    void X86StaticInst::printSegment(std::ostream &os, int segment) const
75    {
76        switch (segment)
77        {
78          case 0:
79            ccprintf(os, "ES");
80            break;
81          case 1:
82            ccprintf(os, "CS");
83            break;
84          case 2:
85            ccprintf(os, "SS");
86            break;
87          case 3:
88            ccprintf(os, "DS");
89            break;
90          case 4:
91            ccprintf(os, "FS");
92            break;
93          case 5:
94            ccprintf(os, "GS");
95            break;
96          default:
97            panic("Unrecognized segment %d\n", segment);
98        }
99    }
100
101    void
102    X86StaticInst::printSrcReg(std::ostream &os, int reg) const
103    {
104        if(_numSrcRegs > reg)
105            printReg(os, _srcRegIdx[reg]);
106    }
107
108    void
109    X86StaticInst::printDestReg(std::ostream &os, int reg) const
110    {
111        if(_numDestRegs > reg)
112            printReg(os, _destRegIdx[reg]);
113    }
114
115    void
116    X86StaticInst::printReg(std::ostream &os, int reg) const
117    {
118        if (reg < FP_Base_DepTag) {
119            //FIXME These should print differently depending on the
120            //mode etc, but for now this will get the point across
121            switch (reg) {
122              case INTREG_RAX:
123                ccprintf(os, "rax");
124                break;
125              case INTREG_RBX:
126                ccprintf(os, "rbx");
127                break;
128              case INTREG_RCX:
129                ccprintf(os, "rcx");
130                break;
131              case INTREG_RDX:
132                ccprintf(os, "rdx");
133                break;
134              case INTREG_RSP:
135                ccprintf(os, "rsp");
136                break;
137              case INTREG_RBP:
138                ccprintf(os, "rbp");
139                break;
140              case INTREG_RSI:
141                ccprintf(os, "rsi");
142                break;
143              case INTREG_RDI:
144                ccprintf(os, "rdi");
145                break;
146              case INTREG_R8W:
147                ccprintf(os, "r8");
148                break;
149              case INTREG_R9W:
150                ccprintf(os, "r9");
151                break;
152              case INTREG_R10W:
153                ccprintf(os, "r10");
154                break;
155              case INTREG_R11W:
156                ccprintf(os, "r11");
157                break;
158              case INTREG_R12W:
159                ccprintf(os, "r12");
160                break;
161              case INTREG_R13W:
162                ccprintf(os, "r13");
163                break;
164              case INTREG_R14W:
165                ccprintf(os, "r14");
166                break;
167              case INTREG_R15W:
168                ccprintf(os, "r15");
169                break;
170              default:
171                ccprintf(os, "t%d", reg - NUM_INTREGS);
172            }
173        } else if (reg < Ctrl_Base_DepTag) {
174            ccprintf(os, "%%f%d", reg - FP_Base_DepTag);
175        } else {
176            switch (reg - Ctrl_Base_DepTag) {
177              default:
178                ccprintf(os, "%%ctrl%d", reg - Ctrl_Base_DepTag);
179            }
180        }
181    }
182
183    std::string X86StaticInst::generateDisassembly(Addr pc,
184        const SymbolTable *symtab) const
185    {
186        std::stringstream ss;
187
188        printMnemonic(ss, mnemonic);
189
190        return ss.str();
191    }
192}
193