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#ifndef __ARCH_SPARC_STACKTRACE_HH__ 32#define __ARCH_SPARC_STACKTRACE_HH__ 33 34#include "base/trace.hh" 35#include "cpu/static_inst.hh" 36 37class ThreadContext;
|
38class StackTrace;
39
40class ProcessInfo
|
38namespace SparcISA |
39{
|
42 private:
43 ThreadContext *tc;
|
40 class StackTrace; |
41
|
45 int thread_info_size;
46 int task_struct_size;
47 int task_off;
48 int pid_off;
49 int name_off;
|
42 class ProcessInfo 43 { 44 private: 45 ThreadContext *tc; |
46
|
51 public:
52 ProcessInfo(ThreadContext *_tc);
|
47 int thread_info_size; 48 int task_struct_size; 49 int task_off; 50 int pid_off; 51 int name_off; |
52
|
54 Addr task(Addr ksp) const;
55 int pid(Addr ksp) const;
56 std::string name(Addr ksp) const;
57};
|
53 public: 54 ProcessInfo(ThreadContext *_tc); |
55
|
59class StackTrace
60{
61 protected:
62 typedef TheISA::MachInst MachInst;
63 private:
64 ThreadContext *tc;
65 std::vector<Addr> stack;
|
56 Addr task(Addr ksp) const; 57 int pid(Addr ksp) const; 58 std::string name(Addr ksp) const; 59 }; |
60
|
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);
|
61 class StackTrace 62 { 63 protected: 64 typedef TheISA::MachInst MachInst; 65 private: 66 ThreadContext *tc; 67 std::vector<Addr> stack; |
68
|
73 void trace(ThreadContext *tc, bool is_call);
|
69 private: 70 bool isEntry(Addr addr); 71 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 72 bool decodeSave(MachInst inst, int ®, int &disp); 73 bool decodeStack(MachInst inst, int &disp); |
74
|
75 public:
76 StackTrace();
77 StackTrace(ThreadContext *tc, StaticInstPtr inst);
78 ~StackTrace();
|
75 void trace(ThreadContext *tc, bool is_call); |
76
|
80 void clear()
81 {
82 tc = 0;
83 stack.clear();
84 }
|
77 public: 78 StackTrace(); 79 StackTrace(ThreadContext *tc, StaticInstPtr inst); 80 ~StackTrace(); |
81
|
86 bool valid() const { return tc != NULL; }
87 bool trace(ThreadContext *tc, StaticInstPtr inst);
|
82 void clear() 83 { 84 tc = 0; 85 stack.clear(); 86 } |
87
|
89 public:
90 const std::vector<Addr> &getstack() const { return stack; }
|
88 bool valid() const { return tc != NULL; } 89 bool trace(ThreadContext *tc, StaticInstPtr inst); |
90
|
92 static const int user = 1;
93 static const int console = 2;
94 static const int unknown = 3;
|
91 public: 92 const std::vector<Addr> &getstack() const { return stack; } |
93
|
94 static const int user = 1; 95 static const int console = 2; 96 static const int unknown = 3; 97 |
98#if TRACING_ON
|
97 private:
98 void dump();
|
99 private: 100 void dump(); |
101
|
100 public:
101 void dprintf() { if (DTRACE(Stack)) dump(); }
|
102 public: 103 void dprintf() { if (DTRACE(Stack)) dump(); } |
104#else
|
103 public:
104 void dprintf() {}
|
105 public: 106 void dprintf() {} |
107#endif
|
106};
|
108 }; |
109
|
108inline bool
109StackTrace::trace(ThreadContext *tc, StaticInstPtr inst)
110{
111 if (!inst->isCall() && !inst->isReturn())
112 return false;
|
110 inline bool 111 StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 112 { 113 if (!inst->isCall() && !inst->isReturn()) 114 return false; |
115
|
114 if (valid())
115 clear();
|
116 if (valid()) 117 clear(); |
118
|
117 trace(tc, !inst->isReturn());
118 return true;
|
119 trace(tc, !inst->isReturn()); 120 return true; 121 } |
122} 123 124#endif // __ARCH_SPARC_STACKTRACE_HH__
|