stacktrace.hh (4120:3e09b5d32c45) | stacktrace.hh (4145:90fe789c9458) |
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1/* 2 * Copyright (c) 2006 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; --- 17 unchanged lines hidden (view full) --- 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#ifndef __ARCH_X86_STACKTRACE_HH__ 32#define __ARCH_X86_STACKTRACE_HH__ 33 | 1/* 2 * Copyright (c) 2006 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; --- 17 unchanged lines hidden (view full) --- 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Nathan Binkert 29 */ 30 31#ifndef __ARCH_X86_STACKTRACE_HH__ 32#define __ARCH_X86_STACKTRACE_HH__ 33 |
34#error X86 is not yet supported! | 34#include "base/trace.hh" 35#include "cpu/static_inst.hh" |
35 | 36 |
37class ThreadContext; |
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36namespace X86ISA 37{ | 38namespace X86ISA 39{ |
38}; | 40 class StackTrace; |
39 | 41 |
42 class ProcessInfo 43 { 44 private: 45 ThreadContext *tc; 46 47 int thread_info_size; 48 int task_struct_size; 49 int task_off; 50 int pid_off; 51 int name_off; 52 53 public: 54 ProcessInfo(ThreadContext *_tc); 55 56 Addr task(Addr ksp) const; 57 int pid(Addr ksp) const; 58 std::string name(Addr ksp) const; 59 }; 60 61 class StackTrace 62 { 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 }; 107 108 inline bool 109 StackTrace::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} 121 |
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40#endif // __ARCH_X86_STACKTRACE_HH__ | 122#endif // __ARCH_X86_STACKTRACE_HH__ |