stacktrace.hh (2977:3584f349e099) | stacktrace.hh (3570:aacc19068f25) |
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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; --- 21 unchanged lines hidden (view full) --- 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; | 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; --- 21 unchanged lines hidden (view full) --- 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 |
41{ | 39{ |
42 private: 43 ThreadContext *tc; | 40 class StackTrace; |
44 | 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; |
50 | 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; |
53 | 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); |
58 | 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 }; |
66 | 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; |
72 | 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 | 74 |
75 public: 76 StackTrace(); 77 StackTrace(ThreadContext *tc, StaticInstPtr inst); 78 ~StackTrace(); | 75 void trace(ThreadContext *tc, bool is_call); |
79 | 76 |
80 void clear() 81 { 82 tc = 0; 83 stack.clear(); 84 } | 77 public: 78 StackTrace(); 79 StackTrace(ThreadContext *tc, StaticInstPtr inst); 80 ~StackTrace(); |
85 | 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 } |
88 | 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); |
91 | 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; } |
95 | 93 |
94 static const int user = 1; 95 static const int console = 2; 96 static const int unknown = 3; 97 |
|
96#if TRACING_ON | 98#if TRACING_ON |
97 private: 98 void dump(); | 99 private: 100 void dump(); |
99 | 101 |
100 public: 101 void dprintf() { if (DTRACE(Stack)) dump(); } | 102 public: 103 void dprintf() { if (DTRACE(Stack)) dump(); } |
102#else | 104#else |
103 public: 104 void dprintf() {} | 105 public: 106 void dprintf() {} |
105#endif | 107#endif |
106}; | 108 }; |
107 | 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; |
113 | 115 |
114 if (valid()) 115 clear(); | 116 if (valid()) 117 clear(); |
116 | 118 |
117 trace(tc, !inst->isReturn()); 118 return true; | 119 trace(tc, !inst->isReturn()); 120 return true; 121 } |
119} 120 121#endif // __ARCH_SPARC_STACKTRACE_HH__ | 122} 123 124#endif // __ARCH_SPARC_STACKTRACE_HH__ |