1/*
2 * Copyright (c) 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: Ali Saidi
29 */
30
31#ifndef __ARCH_MIPS_STACKTRACE_HH__
32#define __ARCH_MIPS_STACKTRACE_HH__
33
34#include "base/trace.hh"
35#include "cpu/static_inst.hh"
36
37class ThreadContext;
38class StackTrace;
39
| 1/*
2 * Copyright (c) 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: Ali Saidi
29 */
30
31#ifndef __ARCH_MIPS_STACKTRACE_HH__
32#define __ARCH_MIPS_STACKTRACE_HH__
33
34#include "base/trace.hh"
35#include "cpu/static_inst.hh"
36
37class ThreadContext;
38class StackTrace;
39
|
40class ProcessInfo
41{
42 private:
43 ThreadContext *tc;
44
45 int thread_info_size;
46 int task_struct_size;
47 int task_off;
48 int pid_off;
49 int name_off;
50
51 public:
52 ProcessInfo(ThreadContext *_tc);
53
54 Addr task(Addr ksp) const;
55 int pid(Addr ksp) const;
56 std::string name(Addr ksp) const;
57};
58
59class StackTrace
60{
61 protected:
62 typedef TheISA::MachInst MachInst;
63 private:
64 ThreadContext *tc;
65 std::vector<Addr> stack;
66
67 private:
68 bool isEntry(Addr addr);
69 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
70 bool decodeSave(MachInst inst, int ®, int &disp);
71 bool decodeStack(MachInst inst, int &disp);
72
73 void trace(ThreadContext *tc, bool is_call);
74
75 public:
76 StackTrace();
77 StackTrace(ThreadContext *tc, StaticInstPtr inst);
78 ~StackTrace();
79
80 void clear()
81 {
82 tc = 0;
83 stack.clear();
84 }
85
86 bool valid() const { return tc != NULL; }
87 bool trace(ThreadContext *tc, StaticInstPtr inst);
88
89 public:
90 const std::vector<Addr> &getstack() const { return stack; }
91
92 static const int user = 1;
93 static const int console = 2;
94 static const int unknown = 3;
95
96#if TRACING_ON
97 private:
98 void dump();
99
100 public:
101 void dprintf() { if (DTRACE(Stack)) dump(); }
102#else
103 public:
104 void dprintf() {}
105#endif
106};
107
108inline bool
109StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
110{
111 if (!inst->isCall() && !inst->isReturn())
112 return false;
113
114 if (valid())
115 clear();
116
117 trace(tc, !inst->isReturn());
118 return true;
119}
120
| 43class ProcessInfo
44{
45 private:
46 ThreadContext *tc;
47
48 int thread_info_size;
49 int task_struct_size;
50 int task_off;
51 int pid_off;
52 int name_off;
53
54 public:
55 ProcessInfo(ThreadContext *_tc);
56
57 Addr task(Addr ksp) const;
58 int pid(Addr ksp) const;
59 std::string name(Addr ksp) const;
60};
61
62class StackTrace
63{
64 protected:
65 typedef TheISA::MachInst MachInst;
66 private:
67 ThreadContext *tc;
68 std::vector<Addr> stack;
69
70 private:
71 bool isEntry(Addr addr);
72 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
73 bool decodeSave(MachInst inst, int ®, int &disp);
74 bool decodeStack(MachInst inst, int &disp);
75
76 void trace(ThreadContext *tc, bool is_call);
77
78 public:
79 StackTrace();
80 StackTrace(ThreadContext *tc, StaticInstPtr inst);
81 ~StackTrace();
82
83 void clear()
84 {
85 tc = 0;
86 stack.clear();
87 }
88
89 bool valid() const { return tc != NULL; }
90 bool trace(ThreadContext *tc, StaticInstPtr inst);
91
92 public:
93 const std::vector<Addr> &getstack() const { return stack; }
94
95 static const int user = 1;
96 static const int console = 2;
97 static const int unknown = 3;
98
99#if TRACING_ON
100 private:
101 void dump();
102
103 public:
104 void dprintf() { if (DTRACE(Stack)) dump(); }
105#else
106 public:
107 void dprintf() {}
108#endif
109};
110
111inline bool
112StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
113{
114 if (!inst->isCall() && !inst->isReturn())
115 return false;
116
117 if (valid())
118 clear();
119
120 trace(tc, !inst->isReturn());
121 return true;
122}
123
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