exetrace.hh (3506:99f86646ba5c) exetrace.hh (3918:1f9a98d198e8)
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
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,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32#ifndef __EXETRACE_HH__
33#define __EXETRACE_HH__
34
1/*
2 * Copyright (c) 2001-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
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,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Steve Reinhardt
29 * Nathan Binkert
30 */
31
32#ifndef __EXETRACE_HH__
33#define __EXETRACE_HH__
34
35#include <cstring>
35#include <fstream>
36#include <vector>
37
38#include "sim/host.hh"
39#include "cpu/inst_seq.hh" // for InstSeqNum
40#include "base/trace.hh"
41#include "cpu/thread_context.hh"
42#include "cpu/static_inst.hh"
43
44class ThreadContext;
45
46
47namespace Trace {
48
49class InstRecord : public Record
50{
51 protected:
52 typedef TheISA::IntRegFile IntRegFile;
53
54 // The following fields are initialized by the constructor and
55 // thus guaranteed to be valid.
56 ThreadContext *thread;
57 // need to make this ref-counted so it doesn't go away before we
58 // dump the record
59 StaticInstPtr staticInst;
60 Addr PC;
61 bool misspeculating;
62
63 // The remaining fields are only valid for particular instruction
64 // types (e.g, addresses for memory ops) or when particular
65 // options are enabled (e.g., tracing full register contents).
66 // Each data field has an associated valid flag to indicate
67 // whether the data field is valid.
68 Addr addr;
69 bool addr_valid;
70
71 union {
72 uint64_t as_int;
73 double as_double;
74 } data;
75 enum {
76 DataInvalid = 0,
77 DataInt8 = 1, // set to equal number of bytes
78 DataInt16 = 2,
79 DataInt32 = 4,
80 DataInt64 = 8,
81 DataDouble = 3
82 } data_status;
83
84 InstSeqNum fetch_seq;
85 bool fetch_seq_valid;
86
87 InstSeqNum cp_seq;
88 bool cp_seq_valid;
89
90 struct iRegFile {
91 IntRegFile regs;
92 };
93 iRegFile *iregs;
94 bool regs_valid;
95
96 public:
97 InstRecord(Tick _cycle, ThreadContext *_thread,
98 const StaticInstPtr &_staticInst,
99 Addr _pc, bool spec)
100 : Record(_cycle), thread(_thread),
101 staticInst(_staticInst), PC(_pc),
102 misspeculating(spec)
103 {
104 data_status = DataInvalid;
105 addr_valid = false;
106 regs_valid = false;
107
108 fetch_seq_valid = false;
109 cp_seq_valid = false;
110 }
111
112 virtual ~InstRecord() { }
113
114 virtual void dump(std::ostream &outs);
115
116 void setAddr(Addr a) { addr = a; addr_valid = true; }
117
118 void setData(uint64_t d) { data.as_int = d; data_status = DataInt64; }
119 void setData(uint32_t d) { data.as_int = d; data_status = DataInt32; }
120 void setData(uint16_t d) { data.as_int = d; data_status = DataInt16; }
121 void setData(uint8_t d) { data.as_int = d; data_status = DataInt8; }
122
123 void setData(int64_t d) { setData((uint64_t)d); }
124 void setData(int32_t d) { setData((uint32_t)d); }
125 void setData(int16_t d) { setData((uint16_t)d); }
126 void setData(int8_t d) { setData((uint8_t)d); }
127
128 void setData(double d) { data.as_double = d; data_status = DataDouble; }
129
130 void setFetchSeq(InstSeqNum seq)
131 { fetch_seq = seq; fetch_seq_valid = true; }
132
133 void setCPSeq(InstSeqNum seq)
134 { cp_seq = seq; cp_seq_valid = true; }
135
136 void setRegs(const IntRegFile &regs);
137
138 void finalize() { theLog.append(this); }
139
140 enum InstExecFlagBits {
141 TRACE_MISSPEC = 0,
142 PRINT_CYCLE,
143 PRINT_OP_CLASS,
144 PRINT_THREAD_NUM,
145 PRINT_RESULT_DATA,
146 PRINT_EFF_ADDR,
147 PRINT_INT_REGS,
148 PRINT_FETCH_SEQ,
149 PRINT_CP_SEQ,
150 PRINT_REG_DELTA,
151 PC_SYMBOL,
152 INTEL_FORMAT,
153 LEGION_LOCKSTEP,
154 NUM_BITS
155 };
156
157 static std::vector<bool> flags;
158 static std::string trace_system;
159
160 static void setParams();
161
162 static bool traceMisspec() { return flags[TRACE_MISSPEC]; }
163};
164
165
166inline void
167InstRecord::setRegs(const IntRegFile &regs)
168{
169 if (!iregs)
170 iregs = new iRegFile;
171
36#include <fstream>
37#include <vector>
38
39#include "sim/host.hh"
40#include "cpu/inst_seq.hh" // for InstSeqNum
41#include "base/trace.hh"
42#include "cpu/thread_context.hh"
43#include "cpu/static_inst.hh"
44
45class ThreadContext;
46
47
48namespace Trace {
49
50class InstRecord : public Record
51{
52 protected:
53 typedef TheISA::IntRegFile IntRegFile;
54
55 // The following fields are initialized by the constructor and
56 // thus guaranteed to be valid.
57 ThreadContext *thread;
58 // need to make this ref-counted so it doesn't go away before we
59 // dump the record
60 StaticInstPtr staticInst;
61 Addr PC;
62 bool misspeculating;
63
64 // The remaining fields are only valid for particular instruction
65 // types (e.g, addresses for memory ops) or when particular
66 // options are enabled (e.g., tracing full register contents).
67 // Each data field has an associated valid flag to indicate
68 // whether the data field is valid.
69 Addr addr;
70 bool addr_valid;
71
72 union {
73 uint64_t as_int;
74 double as_double;
75 } data;
76 enum {
77 DataInvalid = 0,
78 DataInt8 = 1, // set to equal number of bytes
79 DataInt16 = 2,
80 DataInt32 = 4,
81 DataInt64 = 8,
82 DataDouble = 3
83 } data_status;
84
85 InstSeqNum fetch_seq;
86 bool fetch_seq_valid;
87
88 InstSeqNum cp_seq;
89 bool cp_seq_valid;
90
91 struct iRegFile {
92 IntRegFile regs;
93 };
94 iRegFile *iregs;
95 bool regs_valid;
96
97 public:
98 InstRecord(Tick _cycle, ThreadContext *_thread,
99 const StaticInstPtr &_staticInst,
100 Addr _pc, bool spec)
101 : Record(_cycle), thread(_thread),
102 staticInst(_staticInst), PC(_pc),
103 misspeculating(spec)
104 {
105 data_status = DataInvalid;
106 addr_valid = false;
107 regs_valid = false;
108
109 fetch_seq_valid = false;
110 cp_seq_valid = false;
111 }
112
113 virtual ~InstRecord() { }
114
115 virtual void dump(std::ostream &outs);
116
117 void setAddr(Addr a) { addr = a; addr_valid = true; }
118
119 void setData(uint64_t d) { data.as_int = d; data_status = DataInt64; }
120 void setData(uint32_t d) { data.as_int = d; data_status = DataInt32; }
121 void setData(uint16_t d) { data.as_int = d; data_status = DataInt16; }
122 void setData(uint8_t d) { data.as_int = d; data_status = DataInt8; }
123
124 void setData(int64_t d) { setData((uint64_t)d); }
125 void setData(int32_t d) { setData((uint32_t)d); }
126 void setData(int16_t d) { setData((uint16_t)d); }
127 void setData(int8_t d) { setData((uint8_t)d); }
128
129 void setData(double d) { data.as_double = d; data_status = DataDouble; }
130
131 void setFetchSeq(InstSeqNum seq)
132 { fetch_seq = seq; fetch_seq_valid = true; }
133
134 void setCPSeq(InstSeqNum seq)
135 { cp_seq = seq; cp_seq_valid = true; }
136
137 void setRegs(const IntRegFile &regs);
138
139 void finalize() { theLog.append(this); }
140
141 enum InstExecFlagBits {
142 TRACE_MISSPEC = 0,
143 PRINT_CYCLE,
144 PRINT_OP_CLASS,
145 PRINT_THREAD_NUM,
146 PRINT_RESULT_DATA,
147 PRINT_EFF_ADDR,
148 PRINT_INT_REGS,
149 PRINT_FETCH_SEQ,
150 PRINT_CP_SEQ,
151 PRINT_REG_DELTA,
152 PC_SYMBOL,
153 INTEL_FORMAT,
154 LEGION_LOCKSTEP,
155 NUM_BITS
156 };
157
158 static std::vector<bool> flags;
159 static std::string trace_system;
160
161 static void setParams();
162
163 static bool traceMisspec() { return flags[TRACE_MISSPEC]; }
164};
165
166
167inline void
168InstRecord::setRegs(const IntRegFile &regs)
169{
170 if (!iregs)
171 iregs = new iRegFile;
172
172 memcpy(&iregs->regs, ®s, sizeof(IntRegFile));
173 std::memcpy(&iregs->regs, &regs, sizeof(IntRegFile));
173 regs_valid = true;
174}
175
176inline
177InstRecord *
178getInstRecord(Tick cycle, ThreadContext *tc,
179 const StaticInstPtr staticInst,
180 Addr pc)
181{
182 if (DTRACE(InstExec) &&
183 (InstRecord::traceMisspec() || !tc->misspeculating())) {
184 return new InstRecord(cycle, tc, staticInst, pc,
185 tc->misspeculating());
186 }
187
188 return NULL;
189}
190
191
192}
193
194#endif // __EXETRACE_HH__
174 regs_valid = true;
175}
176
177inline
178InstRecord *
179getInstRecord(Tick cycle, ThreadContext *tc,
180 const StaticInstPtr staticInst,
181 Addr pc)
182{
183 if (DTRACE(InstExec) &&
184 (InstRecord::traceMisspec() || !tc->misspeculating())) {
185 return new InstRecord(cycle, tc, staticInst, pc,
186 tc->misspeculating());
187 }
188
189 return NULL;
190}
191
192
193}
194
195#endif // __EXETRACE_HH__