stacktrace.hh (10279:faa9dfc465ef) stacktrace.hh (10417:710ee116eb68)
1/*
2 * Copyright (c) 2005 The Regents of The University of Michigan
3 * Copyright (c) 2007-2008 The Florida State University
4 * Copyright (c) 2009 The University of Edinburgh
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met: redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer;
11 * redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution;
14 * neither the name of the copyright holders nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * Authors: Ali Saidi
31 * Stephen Hines
32 * Timothy M. Jones
33 */
34
35#ifndef __ARCH_POWER_STACKTRACE_HH__
36#define __ARCH_POWER_STACKTRACE_HH__
37
38#include "base/trace.hh"
39#include "cpu/static_inst.hh"
40#include "debug/Stack.hh"
41
42class ThreadContext;
43class StackTrace;
44
45namespace PowerISA
46{
47
48class ProcessInfo
49{
50 public:
51 ProcessInfo(ThreadContext *_tc);
52
53 Addr task(Addr ksp) const;
54 int pid(Addr ksp) const;
55 std::string name(Addr ksp) const;
56};
57
58class StackTrace
59{
60 protected:
61 typedef TheISA::MachInst MachInst;
62 private:
63 ThreadContext *tc;
64 std::vector<Addr> stack;
65
66 private:
67 bool isEntry(Addr addr);
68 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
69 bool decodeSave(MachInst inst, int &reg, int &disp);
70 bool decodeStack(MachInst inst, int &disp);
71
72 void trace(ThreadContext *tc, bool is_call);
73
74 public:
75 StackTrace();
1/*
2 * Copyright (c) 2005 The Regents of The University of Michigan
3 * Copyright (c) 2007-2008 The Florida State University
4 * Copyright (c) 2009 The University of Edinburgh
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions are
9 * met: redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer;
11 * redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution;
14 * neither the name of the copyright holders nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * Authors: Ali Saidi
31 * Stephen Hines
32 * Timothy M. Jones
33 */
34
35#ifndef __ARCH_POWER_STACKTRACE_HH__
36#define __ARCH_POWER_STACKTRACE_HH__
37
38#include "base/trace.hh"
39#include "cpu/static_inst.hh"
40#include "debug/Stack.hh"
41
42class ThreadContext;
43class StackTrace;
44
45namespace PowerISA
46{
47
48class ProcessInfo
49{
50 public:
51 ProcessInfo(ThreadContext *_tc);
52
53 Addr task(Addr ksp) const;
54 int pid(Addr ksp) const;
55 std::string name(Addr ksp) const;
56};
57
58class StackTrace
59{
60 protected:
61 typedef TheISA::MachInst MachInst;
62 private:
63 ThreadContext *tc;
64 std::vector<Addr> stack;
65
66 private:
67 bool isEntry(Addr addr);
68 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra);
69 bool decodeSave(MachInst inst, int &reg, int &disp);
70 bool decodeStack(MachInst inst, int &disp);
71
72 void trace(ThreadContext *tc, bool is_call);
73
74 public:
75 StackTrace();
76 StackTrace(ThreadContext *tc, StaticInstPtr inst);
76 StackTrace(ThreadContext *tc, const StaticInstPtr &inst);
77 ~StackTrace();
78
79 void
80 clear()
81 {
82 tc = 0;
83 stack.clear();
84 }
85
86 bool
87 valid() const
88 {
89 return tc != NULL;
90 }
91
77 ~StackTrace();
78
79 void
80 clear()
81 {
82 tc = 0;
83 stack.clear();
84 }
85
86 bool
87 valid() const
88 {
89 return tc != NULL;
90 }
91
92 bool trace(ThreadContext *tc, StaticInstPtr inst);
92 bool trace(ThreadContext *tc, const StaticInstPtr &inst);
93
94 public:
95 const std::vector<Addr> &
96 getstack() const
97 {
98 return stack;
99 }
100
101 static const int user = 1;
102 static const int console = 2;
103 static const int unknown = 3;
104
105#if TRACING_ON
106 private:
107 void dump();
108
109 public:
110 void
111 dprintf()
112 {
113 if (DTRACE(Stack))
114 dump();
115 }
116#else
117 public:
118 void
119 dprintf()
120 {
121 }
122#endif
123};
124
125inline bool
93
94 public:
95 const std::vector<Addr> &
96 getstack() const
97 {
98 return stack;
99 }
100
101 static const int user = 1;
102 static const int console = 2;
103 static const int unknown = 3;
104
105#if TRACING_ON
106 private:
107 void dump();
108
109 public:
110 void
111 dprintf()
112 {
113 if (DTRACE(Stack))
114 dump();
115 }
116#else
117 public:
118 void
119 dprintf()
120 {
121 }
122#endif
123};
124
125inline bool
126StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
126StackTrace::trace(ThreadContext *tc, const StaticInstPtr &inst)
127{
128 if (!inst->isCall() && !inst->isReturn())
129 return false;
130
131 if (valid())
132 clear();
133
134 trace(tc, !inst->isReturn());
135 return true;
136}
137
138} // namespace PowerISA
139
140#endif // __ARCH_POWER_STACKTRACE_HH__
127{
128 if (!inst->isCall() && !inst->isReturn())
129 return false;
130
131 if (valid())
132 clear();
133
134 trace(tc, !inst->isReturn());
135 return true;
136}
137
138} // namespace PowerISA
139
140#endif // __ARCH_POWER_STACKTRACE_HH__