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 41class ThreadContext; 42class StackTrace; 43 44namespace PowerISA 45{ 46 47class ProcessInfo 48{ 49 private: 50 ThreadContext *tc; 51 52 int thread_info_size; 53 int task_struct_size; 54 int task_off; 55 int pid_off; 56 int name_off; 57 58 public: 59 ProcessInfo(ThreadContext *_tc); 60 61 Addr task(Addr ksp) const; 62 int pid(Addr ksp) const; 63 std::string name(Addr ksp) const; 64}; 65 66class StackTrace 67{ 68 protected: 69 typedef TheISA::MachInst MachInst; 70 private: 71 ThreadContext *tc; 72 std::vector<Addr> stack; 73 74 private: 75 bool isEntry(Addr addr); 76 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 77 bool decodeSave(MachInst inst, int ®, int &disp); 78 bool decodeStack(MachInst inst, int &disp); 79 80 void trace(ThreadContext *tc, bool is_call); 81 82 public: 83 StackTrace(); 84 StackTrace(ThreadContext *tc, StaticInstPtr inst); 85 ~StackTrace(); 86 87 void 88 clear() 89 { 90 tc = 0; 91 stack.clear(); 92 } 93 94 bool 95 valid() const 96 { 97 return tc != NULL; 98 } 99 100 bool trace(ThreadContext *tc, StaticInstPtr inst); 101 102 public: 103 const std::vector<Addr> & 104 getstack() const 105 { 106 return stack; 107 } 108 109 static const int user = 1; 110 static const int console = 2; 111 static const int unknown = 3; 112 113#if TRACING_ON 114 private: 115 void dump(); 116 117 public: 118 void 119 dprintf() 120 { 121 if (DTRACE(Stack)) 122 dump(); 123 } 124#else 125 public: 126 void 127 dprintf() 128 { 129 } 130#endif 131}; 132 133inline bool 134StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 135{ 136 if (!inst->isCall() && !inst->isReturn()) 137 return false; 138 139 if (valid()) 140 clear(); 141 142 trace(tc, !inst->isReturn()); 143 return true; 144} 145
| 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 41class ThreadContext; 42class StackTrace; 43 44namespace PowerISA 45{ 46 47class ProcessInfo 48{ 49 private: 50 ThreadContext *tc; 51 52 int thread_info_size; 53 int task_struct_size; 54 int task_off; 55 int pid_off; 56 int name_off; 57 58 public: 59 ProcessInfo(ThreadContext *_tc); 60 61 Addr task(Addr ksp) const; 62 int pid(Addr ksp) const; 63 std::string name(Addr ksp) const; 64}; 65 66class StackTrace 67{ 68 protected: 69 typedef TheISA::MachInst MachInst; 70 private: 71 ThreadContext *tc; 72 std::vector<Addr> stack; 73 74 private: 75 bool isEntry(Addr addr); 76 bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 77 bool decodeSave(MachInst inst, int ®, int &disp); 78 bool decodeStack(MachInst inst, int &disp); 79 80 void trace(ThreadContext *tc, bool is_call); 81 82 public: 83 StackTrace(); 84 StackTrace(ThreadContext *tc, StaticInstPtr inst); 85 ~StackTrace(); 86 87 void 88 clear() 89 { 90 tc = 0; 91 stack.clear(); 92 } 93 94 bool 95 valid() const 96 { 97 return tc != NULL; 98 } 99 100 bool trace(ThreadContext *tc, StaticInstPtr inst); 101 102 public: 103 const std::vector<Addr> & 104 getstack() const 105 { 106 return stack; 107 } 108 109 static const int user = 1; 110 static const int console = 2; 111 static const int unknown = 3; 112 113#if TRACING_ON 114 private: 115 void dump(); 116 117 public: 118 void 119 dprintf() 120 { 121 if (DTRACE(Stack)) 122 dump(); 123 } 124#else 125 public: 126 void 127 dprintf() 128 { 129 } 130#endif 131}; 132 133inline bool 134StackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 135{ 136 if (!inst->isCall() && !inst->isReturn()) 137 return false; 138 139 if (valid()) 140 clear(); 141 142 trace(tc, !inst->isReturn()); 143 return true; 144} 145
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