2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
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10 * notice, this list of conditions and the following disclaimer in the
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14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Steve Reinhardt
37 #include "base/loader/symtab.hh"
38 #include "cpu/base.hh"
39 #include "cpu/exetrace.hh"
40 #include "cpu/static_inst.hh"
41 #include "sim/param.hh"
42 #include "sim/system.hh"
47 ////////////////////////////////////////////////////////////////////////
49 // Methods for the InstRecord object
54 Trace::InstRecord::dump(ostream
&outs
)
56 if (flags
[INTEL_FORMAT
]) {
58 bool is_trace_system
= (cpu
->system
->name() == trace_system
);
60 bool is_trace_system
= true;
62 if (is_trace_system
) {
63 ccprintf(outs
, "%7d ) ", cycle
);
64 outs
<< "0x" << hex
<< PC
<< ":\t";
65 if (staticInst
->isLoad()) {
66 outs
<< "<RD 0x" << hex
<< addr
;
68 } else if (staticInst
->isStore()) {
69 outs
<< "<WR 0x" << hex
<< addr
;
75 if (flags
[PRINT_CYCLE
])
76 ccprintf(outs
, "%7d: ", cycle
);
78 outs
<< cpu
->name() << " ";
80 if (flags
[TRACE_MISSPEC
])
81 outs
<< (misspeculating
? "-" : "+") << " ";
83 if (flags
[PRINT_THREAD_NUM
])
84 outs
<< "T" << thread
<< " : ";
90 && debugSymbolTable
->findNearestSymbol(PC
, sym_str
, sym_addr
)
91 && flags
[PC_SYMBOL
]) {
93 sym_str
+= csprintf("+%d", PC
- sym_addr
);
94 outs
<< "@" << sym_str
<< " : ";
97 outs
<< "0x" << hex
<< PC
<< " : ";
101 // Print decoded instruction
104 #if defined(__GNUC__) && (__GNUC__ < 3)
105 // There's a bug in gcc 2.x library that prevents setw()
106 // from working properly on strings
107 string
mc(staticInst
->disassemble(PC
, debugSymbolTable
));
108 while (mc
.length() < 26)
112 outs
<< setw(26) << left
<< staticInst
->disassemble(PC
, debugSymbolTable
);
117 if (flags
[PRINT_OP_CLASS
]) {
118 outs
<< opClassStrings
[staticInst
->opClass()] << " : ";
121 if (flags
[PRINT_RESULT_DATA
] && data_status
!= DataInvalid
) {
124 if (data_status
== DataDouble
)
125 ccprintf(outs
, "%f", data
.as_double
);
127 ccprintf(outs
, "%#018x", data
.as_int
);
129 ccprintf(outs
, "%#018x", data
.as_int
);
133 if (flags
[PRINT_EFF_ADDR
] && addr_valid
)
134 outs
<< " A=0x" << hex
<< addr
;
136 if (flags
[PRINT_INT_REGS
] && regs_valid
) {
137 for (int i
= 0; i
< TheISA::NumIntRegs
;)
138 for (int j
= i
+ 1; i
<= j
; i
++)
139 ccprintf(outs
, "r%02d = %#018x%s", i
,
140 iregs
->regs
.readReg(i
),
141 ((i
== j
) ? "\n" : " "));
145 if (flags
[PRINT_FETCH_SEQ
] && fetch_seq_valid
)
146 outs
<< " FetchSeq=" << dec
<< fetch_seq
;
148 if (flags
[PRINT_CP_SEQ
] && cp_seq_valid
)
149 outs
<< " CPSeq=" << dec
<< cp_seq
;
159 vector
<bool> Trace::InstRecord::flags(NUM_BITS
);
160 string
Trace::InstRecord::trace_system
;
162 ////////////////////////////////////////////////////////////////////////
164 // Parameter space for per-cycle execution address tracing options.
165 // Derive from ParamContext so we can override checkParams() function.
167 class ExecutionTraceParamContext
: public ParamContext
170 ExecutionTraceParamContext(const string
&_iniSection
)
171 : ParamContext(_iniSection
)
175 void checkParams(); // defined at bottom of file
178 ExecutionTraceParamContext
exeTraceParams("exetrace");
180 Param
<bool> exe_trace_spec(&exeTraceParams
, "speculative",
181 "capture speculative instructions", true);
183 Param
<bool> exe_trace_print_cycle(&exeTraceParams
, "print_cycle",
184 "print cycle number", true);
185 Param
<bool> exe_trace_print_opclass(&exeTraceParams
, "print_opclass",
186 "print op class", true);
187 Param
<bool> exe_trace_print_thread(&exeTraceParams
, "print_thread",
188 "print thread number", true);
189 Param
<bool> exe_trace_print_effaddr(&exeTraceParams
, "print_effaddr",
190 "print effective address", true);
191 Param
<bool> exe_trace_print_data(&exeTraceParams
, "print_data",
192 "print result data", true);
193 Param
<bool> exe_trace_print_iregs(&exeTraceParams
, "print_iregs",
194 "print all integer regs", false);
195 Param
<bool> exe_trace_print_fetchseq(&exeTraceParams
, "print_fetchseq",
196 "print fetch sequence number", false);
197 Param
<bool> exe_trace_print_cp_seq(&exeTraceParams
, "print_cpseq",
198 "print correct-path sequence number", false);
199 Param
<bool> exe_trace_pc_symbol(&exeTraceParams
, "pc_symbol",
200 "Use symbols for the PC if available", true);
201 Param
<bool> exe_trace_intel_format(&exeTraceParams
, "intel_format",
202 "print trace in intel compatible format", false);
203 Param
<string
> exe_trace_system(&exeTraceParams
, "trace_system",
204 "print trace of which system (client or server)",
209 // Helper function for ExecutionTraceParamContext::checkParams() just
210 // to get us into the InstRecord namespace
213 Trace::InstRecord::setParams()
215 flags
[TRACE_MISSPEC
] = exe_trace_spec
;
217 flags
[PRINT_CYCLE
] = exe_trace_print_cycle
;
218 flags
[PRINT_OP_CLASS
] = exe_trace_print_opclass
;
219 flags
[PRINT_THREAD_NUM
] = exe_trace_print_thread
;
220 flags
[PRINT_RESULT_DATA
] = exe_trace_print_effaddr
;
221 flags
[PRINT_EFF_ADDR
] = exe_trace_print_data
;
222 flags
[PRINT_INT_REGS
] = exe_trace_print_iregs
;
223 flags
[PRINT_FETCH_SEQ
] = exe_trace_print_fetchseq
;
224 flags
[PRINT_CP_SEQ
] = exe_trace_print_cp_seq
;
225 flags
[PC_SYMBOL
] = exe_trace_pc_symbol
;
226 flags
[INTEL_FORMAT
] = exe_trace_intel_format
;
227 trace_system
= exe_trace_system
;
231 ExecutionTraceParamContext::checkParams()
233 Trace::InstRecord::setParams();