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: Nathan Binkert
29 */
30
| 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: Nathan Binkert
29 */
30
|
| 31#include "arch/arm/stacktrace.hh"
32
|
31#include <string>
32
33#include "arch/arm/isa_traits.hh"
| 33#include <string>
34
35#include "arch/arm/isa_traits.hh"
|
34#include "arch/arm/stacktrace.hh"
| |
35#include "arch/arm/vtophys.hh"
36#include "base/bitfield.hh"
37#include "base/trace.hh"
38#include "cpu/base.hh"
39#include "cpu/thread_context.hh"
40#include "mem/fs_translating_port_proxy.hh"
41#include "sim/system.hh"
42
43using namespace std;
44namespace ArmISA
45{
46 ProcessInfo::ProcessInfo(ThreadContext *_tc)
47 : tc(_tc)
48 {
49 Addr addr = 0;
50
51 FSTranslatingPortProxy &vp = tc->getVirtProxy();
52
53 if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr))
54 panic("thread info not compiled into kernel\n");
55 thread_info_size = vp.readGtoH<int32_t>(addr);
56
57 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr))
58 panic("thread info not compiled into kernel\n");
59 task_struct_size = vp.readGtoH<int32_t>(addr);
60
61 if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr))
62 panic("thread info not compiled into kernel\n");
63 task_off = vp.readGtoH<int32_t>(addr);
64
65 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr))
66 panic("thread info not compiled into kernel\n");
67 pid_off = vp.readGtoH<int32_t>(addr);
68
69 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr))
70 panic("thread info not compiled into kernel\n");
71 name_off = vp.readGtoH<int32_t>(addr);
72 }
73
74 Addr
75 ProcessInfo::task(Addr ksp) const
76 {
77 Addr base = ksp & ~0x1fff;
78 if (base == ULL(0xffffffffc0000000))
79 return 0;
80
81 Addr tsk;
82
83 FSTranslatingPortProxy &vp = tc->getVirtProxy();
84 tsk = vp.readGtoH<Addr>(base + task_off);
85
86 return tsk;
87 }
88
89 int
90 ProcessInfo::pid(Addr ksp) const
91 {
92 Addr task = this->task(ksp);
93 if (!task)
94 return -1;
95
96 uint16_t pd;
97
98 FSTranslatingPortProxy &vp = tc->getVirtProxy();
99 pd = vp.readGtoH<uint16_t>(task + pid_off);
100
101 return pd;
102 }
103
104 string
105 ProcessInfo::name(Addr ksp) const
106 {
107 Addr task = this->task(ksp);
108 if (!task)
109 return "unknown";
110
111 char comm[256];
112 CopyStringOut(tc, comm, task + name_off, sizeof(comm));
113 if (!comm[0])
114 return "startup";
115
116 return comm;
117 }
118
119 StackTrace::StackTrace()
120 : tc(0), stack(64)
121 {
122 }
123
124 StackTrace::StackTrace(ThreadContext *_tc, const StaticInstPtr &inst)
125 : tc(0), stack(64)
126 {
127 trace(_tc, inst);
128 }
129
130 StackTrace::~StackTrace()
131 {
132 }
133
134 void
135 StackTrace::trace(ThreadContext *_tc, bool is_call)
136 {
137 }
138
139 bool
140 StackTrace::isEntry(Addr addr)
141 {
142 return false;
143 }
144
145 bool
146 StackTrace::decodeStack(MachInst inst, int &disp)
147 {
148 return false;
149 }
150
151 bool
152 StackTrace::decodeSave(MachInst inst, int ®, int &disp)
153 {
154 return false;
155 }
156
157 /*
158 * Decode the function prologue for the function we're in, and note
159 * which registers are stored where, and how large the stack frame is.
160 */
161 bool
162 StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func,
163 int &size, Addr &ra)
164 {
165 return false;
166 }
167
168#if TRACING_ON
169 void
170 StackTrace::dump()
171 {
172 DPRINTFN("------ Stack ------\n");
173
174 DPRINTFN(" Not implemented\n");
175 }
176#endif
177}
| 36#include "arch/arm/vtophys.hh"
37#include "base/bitfield.hh"
38#include "base/trace.hh"
39#include "cpu/base.hh"
40#include "cpu/thread_context.hh"
41#include "mem/fs_translating_port_proxy.hh"
42#include "sim/system.hh"
43
44using namespace std;
45namespace ArmISA
46{
47 ProcessInfo::ProcessInfo(ThreadContext *_tc)
48 : tc(_tc)
49 {
50 Addr addr = 0;
51
52 FSTranslatingPortProxy &vp = tc->getVirtProxy();
53
54 if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_size", addr))
55 panic("thread info not compiled into kernel\n");
56 thread_info_size = vp.readGtoH<int32_t>(addr);
57
58 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_size", addr))
59 panic("thread info not compiled into kernel\n");
60 task_struct_size = vp.readGtoH<int32_t>(addr);
61
62 if (!tc->getSystemPtr()->kernelSymtab->findAddress("thread_info_task", addr))
63 panic("thread info not compiled into kernel\n");
64 task_off = vp.readGtoH<int32_t>(addr);
65
66 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_pid", addr))
67 panic("thread info not compiled into kernel\n");
68 pid_off = vp.readGtoH<int32_t>(addr);
69
70 if (!tc->getSystemPtr()->kernelSymtab->findAddress("task_struct_comm", addr))
71 panic("thread info not compiled into kernel\n");
72 name_off = vp.readGtoH<int32_t>(addr);
73 }
74
75 Addr
76 ProcessInfo::task(Addr ksp) const
77 {
78 Addr base = ksp & ~0x1fff;
79 if (base == ULL(0xffffffffc0000000))
80 return 0;
81
82 Addr tsk;
83
84 FSTranslatingPortProxy &vp = tc->getVirtProxy();
85 tsk = vp.readGtoH<Addr>(base + task_off);
86
87 return tsk;
88 }
89
90 int
91 ProcessInfo::pid(Addr ksp) const
92 {
93 Addr task = this->task(ksp);
94 if (!task)
95 return -1;
96
97 uint16_t pd;
98
99 FSTranslatingPortProxy &vp = tc->getVirtProxy();
100 pd = vp.readGtoH<uint16_t>(task + pid_off);
101
102 return pd;
103 }
104
105 string
106 ProcessInfo::name(Addr ksp) const
107 {
108 Addr task = this->task(ksp);
109 if (!task)
110 return "unknown";
111
112 char comm[256];
113 CopyStringOut(tc, comm, task + name_off, sizeof(comm));
114 if (!comm[0])
115 return "startup";
116
117 return comm;
118 }
119
120 StackTrace::StackTrace()
121 : tc(0), stack(64)
122 {
123 }
124
125 StackTrace::StackTrace(ThreadContext *_tc, const StaticInstPtr &inst)
126 : tc(0), stack(64)
127 {
128 trace(_tc, inst);
129 }
130
131 StackTrace::~StackTrace()
132 {
133 }
134
135 void
136 StackTrace::trace(ThreadContext *_tc, bool is_call)
137 {
138 }
139
140 bool
141 StackTrace::isEntry(Addr addr)
142 {
143 return false;
144 }
145
146 bool
147 StackTrace::decodeStack(MachInst inst, int &disp)
148 {
149 return false;
150 }
151
152 bool
153 StackTrace::decodeSave(MachInst inst, int ®, int &disp)
154 {
155 return false;
156 }
157
158 /*
159 * Decode the function prologue for the function we're in, and note
160 * which registers are stored where, and how large the stack frame is.
161 */
162 bool
163 StackTrace::decodePrologue(Addr sp, Addr callpc, Addr func,
164 int &size, Addr &ra)
165 {
166 return false;
167 }
168
169#if TRACING_ON
170 void
171 StackTrace::dump()
172 {
173 DPRINTFN("------ Stack ------\n");
174
175 DPRINTFN(" Not implemented\n");
176 }
177#endif
178}
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