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58 #include "arch/x86/insts/static_inst.hh"
59 #include "arch/x86/segmentregs.hh"
63 void X86StaticInst::printMnemonic(std::ostream
&os
,
64 const char * mnemonic
) const
66 ccprintf(os
, " %s ", mnemonic
);
69 void X86StaticInst::printMnemonic(std::ostream
&os
,
70 const char * instMnemonic
, const char * mnemonic
) const
72 ccprintf(os
, " %s : %s ", instMnemonic
, mnemonic
);
75 void X86StaticInst::printSegment(std::ostream
&os
, int segment
) const
100 case SEGMENT_REG_TSL
:
103 case SEGMENT_REG_TSG
:
112 case SYS_SEGMENT_REG_TR
:
115 case SYS_SEGMENT_REG_IDTR
:
116 ccprintf(os
, "IDTR");
119 panic("Unrecognized segment %d\n", segment
);
124 X86StaticInst::printSrcReg(std::ostream
&os
, int reg
, int size
) const
126 if(_numSrcRegs
> reg
)
127 printReg(os
, _srcRegIdx
[reg
], size
);
131 X86StaticInst::printDestReg(std::ostream
&os
, int reg
, int size
) const
133 if(_numDestRegs
> reg
)
134 printReg(os
, _destRegIdx
[reg
], size
);
138 X86StaticInst::printReg(std::ostream
&os
, int reg
, int size
) const
140 assert(size
== 1 || size
== 2 || size
== 4 || size
== 8);
141 static const char * abcdFormats
[9] =
142 {"", "%s", "%sx", "", "e%sx", "", "", "", "r%sx"};
143 static const char * piFormats
[9] =
144 {"", "%s", "%s", "", "e%s", "", "", "", "r%s"};
145 static const char * longFormats
[9] =
146 {"", "r%sb", "r%sw", "", "r%sd", "", "", "", "r%s"};
147 static const char * microFormats
[9] =
148 {"", "t%db", "t%dw", "", "t%dd", "", "", "", "t%d"};
150 if (reg
< FP_Base_DepTag
) {
151 const char * suffix
= "";
152 bool fold
= reg
& (1 << 6);
160 else if(reg
< 8 && size
== 1)
165 ccprintf(os
, abcdFormats
[size
], "a");
168 ccprintf(os
, abcdFormats
[size
], "b");
171 ccprintf(os
, abcdFormats
[size
], "c");
174 ccprintf(os
, abcdFormats
[size
], "d");
177 ccprintf(os
, piFormats
[size
], "sp");
180 ccprintf(os
, piFormats
[size
], "bp");
183 ccprintf(os
, piFormats
[size
], "si");
186 ccprintf(os
, piFormats
[size
], "di");
189 ccprintf(os
, longFormats
[size
], "8");
192 ccprintf(os
, longFormats
[size
], "9");
195 ccprintf(os
, longFormats
[size
], "10");
198 ccprintf(os
, longFormats
[size
], "11");
201 ccprintf(os
, longFormats
[size
], "12");
204 ccprintf(os
, longFormats
[size
], "13");
207 ccprintf(os
, longFormats
[size
], "14");
210 ccprintf(os
, longFormats
[size
], "15");
213 ccprintf(os
, microFormats
[size
], reg
- NUM_INTREGS
);
215 ccprintf(os
, suffix
);
216 } else if (reg
< Ctrl_Base_DepTag
) {
217 int fpindex
= reg
- FP_Base_DepTag
;
218 if(fpindex
< NumMMXRegs
) {
219 ccprintf(os
, "%%mmx%d", reg
- FP_Base_DepTag
);
222 fpindex
-= NumMMXRegs
;
223 if(fpindex
< NumXMMRegs
* 2) {
224 ccprintf(os
, "%%xmm%d_%s", fpindex
/ 2,
225 (fpindex
% 2) ? "high": "low");
228 fpindex
-= NumXMMRegs
* 2;
229 if(fpindex
< NumMicroFpRegs
) {
230 ccprintf(os
, "%%ufp%d", fpindex
);
233 fpindex
-= NumMicroFpRegs
;
234 ccprintf(os
, "%%st(%d)", fpindex
);
236 switch (reg
- Ctrl_Base_DepTag
) {
238 ccprintf(os
, "%%ctrl%d", reg
- Ctrl_Base_DepTag
);
243 std::string
X86StaticInst::generateDisassembly(Addr pc
,
244 const SymbolTable
*symtab
) const
246 std::stringstream ss
;
248 printMnemonic(ss
, mnemonic
);