stacktrace.hh revision 6019
16019Shines@cs.fsu.edu/* 26019Shines@cs.fsu.edu * Copyright (c) 2005 The Regents of The University of Michigan 36019Shines@cs.fsu.edu * Copyright (c) 2007-2008 The Florida State University 46019Shines@cs.fsu.edu * All rights reserved. 56019Shines@cs.fsu.edu * 66019Shines@cs.fsu.edu * Redistribution and use in source and binary forms, with or without 76019Shines@cs.fsu.edu * modification, are permitted provided that the following conditions are 86019Shines@cs.fsu.edu * met: redistributions of source code must retain the above copyright 96019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer; 106019Shines@cs.fsu.edu * redistributions in binary form must reproduce the above copyright 116019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer in the 126019Shines@cs.fsu.edu * documentation and/or other materials provided with the distribution; 136019Shines@cs.fsu.edu * neither the name of the copyright holders nor the names of its 146019Shines@cs.fsu.edu * contributors may be used to endorse or promote products derived from 156019Shines@cs.fsu.edu * this software without specific prior written permission. 166019Shines@cs.fsu.edu * 176019Shines@cs.fsu.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 186019Shines@cs.fsu.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 196019Shines@cs.fsu.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 206019Shines@cs.fsu.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 216019Shines@cs.fsu.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 226019Shines@cs.fsu.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 236019Shines@cs.fsu.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 246019Shines@cs.fsu.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 256019Shines@cs.fsu.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 266019Shines@cs.fsu.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 276019Shines@cs.fsu.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 286019Shines@cs.fsu.edu * 296019Shines@cs.fsu.edu * Authors: Ali Saidi 306019Shines@cs.fsu.edu * Stephen Hines 316019Shines@cs.fsu.edu */ 326019Shines@cs.fsu.edu 336019Shines@cs.fsu.edu#ifndef __ARCH_ARM_STACKTRACE_HH__ 346019Shines@cs.fsu.edu#define __ARCH_ARM_STACKTRACE_HH__ 356019Shines@cs.fsu.edu 366019Shines@cs.fsu.edu#include "base/trace.hh" 376019Shines@cs.fsu.edu#include "cpu/static_inst.hh" 386019Shines@cs.fsu.edu 396019Shines@cs.fsu.educlass ThreadContext; 406019Shines@cs.fsu.educlass StackTrace; 416019Shines@cs.fsu.edu 426019Shines@cs.fsu.edunamespace ArmISA 436019Shines@cs.fsu.edu{ 446019Shines@cs.fsu.edu 456019Shines@cs.fsu.educlass ProcessInfo 466019Shines@cs.fsu.edu{ 476019Shines@cs.fsu.edu private: 486019Shines@cs.fsu.edu ThreadContext *tc; 496019Shines@cs.fsu.edu 506019Shines@cs.fsu.edu int thread_info_size; 516019Shines@cs.fsu.edu int task_struct_size; 526019Shines@cs.fsu.edu int task_off; 536019Shines@cs.fsu.edu int pid_off; 546019Shines@cs.fsu.edu int name_off; 556019Shines@cs.fsu.edu 566019Shines@cs.fsu.edu public: 576019Shines@cs.fsu.edu ProcessInfo(ThreadContext *_tc); 586019Shines@cs.fsu.edu 596019Shines@cs.fsu.edu Addr task(Addr ksp) const; 606019Shines@cs.fsu.edu int pid(Addr ksp) const; 616019Shines@cs.fsu.edu std::string name(Addr ksp) const; 626019Shines@cs.fsu.edu}; 636019Shines@cs.fsu.edu 646019Shines@cs.fsu.educlass StackTrace 656019Shines@cs.fsu.edu{ 666019Shines@cs.fsu.edu protected: 676019Shines@cs.fsu.edu typedef TheISA::MachInst MachInst; 686019Shines@cs.fsu.edu private: 696019Shines@cs.fsu.edu ThreadContext *tc; 706019Shines@cs.fsu.edu std::vector<Addr> stack; 716019Shines@cs.fsu.edu 726019Shines@cs.fsu.edu private: 736019Shines@cs.fsu.edu bool isEntry(Addr addr); 746019Shines@cs.fsu.edu bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 756019Shines@cs.fsu.edu bool decodeSave(MachInst inst, int ®, int &disp); 766019Shines@cs.fsu.edu bool decodeStack(MachInst inst, int &disp); 776019Shines@cs.fsu.edu 786019Shines@cs.fsu.edu void trace(ThreadContext *tc, bool is_call); 796019Shines@cs.fsu.edu 806019Shines@cs.fsu.edu public: 816019Shines@cs.fsu.edu StackTrace(); 826019Shines@cs.fsu.edu StackTrace(ThreadContext *tc, StaticInstPtr inst); 836019Shines@cs.fsu.edu ~StackTrace(); 846019Shines@cs.fsu.edu 856019Shines@cs.fsu.edu void clear() 866019Shines@cs.fsu.edu { 876019Shines@cs.fsu.edu tc = 0; 886019Shines@cs.fsu.edu stack.clear(); 896019Shines@cs.fsu.edu } 906019Shines@cs.fsu.edu 916019Shines@cs.fsu.edu bool valid() const { return tc != NULL; } 926019Shines@cs.fsu.edu bool trace(ThreadContext *tc, StaticInstPtr inst); 936019Shines@cs.fsu.edu 946019Shines@cs.fsu.edu public: 956019Shines@cs.fsu.edu const std::vector<Addr> &getstack() const { return stack; } 966019Shines@cs.fsu.edu 976019Shines@cs.fsu.edu static const int user = 1; 986019Shines@cs.fsu.edu static const int console = 2; 996019Shines@cs.fsu.edu static const int unknown = 3; 1006019Shines@cs.fsu.edu 1016019Shines@cs.fsu.edu#if TRACING_ON 1026019Shines@cs.fsu.edu private: 1036019Shines@cs.fsu.edu void dump(); 1046019Shines@cs.fsu.edu 1056019Shines@cs.fsu.edu public: 1066019Shines@cs.fsu.edu void dprintf() { if (DTRACE(Stack)) dump(); } 1076019Shines@cs.fsu.edu#else 1086019Shines@cs.fsu.edu public: 1096019Shines@cs.fsu.edu void dprintf() {} 1106019Shines@cs.fsu.edu#endif 1116019Shines@cs.fsu.edu}; 1126019Shines@cs.fsu.edu 1136019Shines@cs.fsu.eduinline bool 1146019Shines@cs.fsu.eduStackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 1156019Shines@cs.fsu.edu{ 1166019Shines@cs.fsu.edu if (!inst->isCall() && !inst->isReturn()) 1176019Shines@cs.fsu.edu return false; 1186019Shines@cs.fsu.edu 1196019Shines@cs.fsu.edu if (valid()) 1206019Shines@cs.fsu.edu clear(); 1216019Shines@cs.fsu.edu 1226019Shines@cs.fsu.edu trace(tc, !inst->isReturn()); 1236019Shines@cs.fsu.edu return true; 1246019Shines@cs.fsu.edu} 1256019Shines@cs.fsu.edu 1266019Shines@cs.fsu.edu} 1276019Shines@cs.fsu.edu 1286019Shines@cs.fsu.edu#endif // __ARCH_ARM_STACKTRACE_HH__ 129