stacktrace.hh revision 8232
15086Sgblack@eecs.umich.edu/* 25086Sgblack@eecs.umich.edu * Copyright (c) 2004-2005 The Regents of The University of Michigan 35086Sgblack@eecs.umich.edu * All rights reserved. 45086Sgblack@eecs.umich.edu * 55086Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 65086Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 75086Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 85086Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 95086Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 105086Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 115086Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 125086Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 135086Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 145086Sgblack@eecs.umich.edu * this software without specific prior written permission. 155086Sgblack@eecs.umich.edu * 165086Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 175086Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 185086Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 195086Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 205086Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 215086Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 225086Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 235086Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 245086Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 255086Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 265086Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 275086Sgblack@eecs.umich.edu * 285086Sgblack@eecs.umich.edu * Authors: Ali Saidi 295086Sgblack@eecs.umich.edu */ 305086Sgblack@eecs.umich.edu 315086Sgblack@eecs.umich.edu#ifndef __ARCH_MIPS_STACKTRACE_HH__ 325086Sgblack@eecs.umich.edu#define __ARCH_MIPS_STACKTRACE_HH__ 335086Sgblack@eecs.umich.edu 345086Sgblack@eecs.umich.edu#include "base/trace.hh" 355086Sgblack@eecs.umich.edu#include "cpu/static_inst.hh" 365086Sgblack@eecs.umich.edu#include "debug/Stack.hh" 375086Sgblack@eecs.umich.edu 385086Sgblack@eecs.umich.educlass ThreadContext; 395086Sgblack@eecs.umich.edu 405086Sgblack@eecs.umich.edunamespace MipsISA 415086Sgblack@eecs.umich.edu{ 425086Sgblack@eecs.umich.edu 435086Sgblack@eecs.umich.educlass ProcessInfo 445086Sgblack@eecs.umich.edu{ 455086Sgblack@eecs.umich.edu private: 465086Sgblack@eecs.umich.edu ThreadContext *tc; 475086Sgblack@eecs.umich.edu 485086Sgblack@eecs.umich.edu int thread_info_size; 495086Sgblack@eecs.umich.edu int task_struct_size; 505086Sgblack@eecs.umich.edu int task_off; 515086Sgblack@eecs.umich.edu int pid_off; 525086Sgblack@eecs.umich.edu int name_off; 535086Sgblack@eecs.umich.edu 545086Sgblack@eecs.umich.edu public: 555086Sgblack@eecs.umich.edu ProcessInfo(ThreadContext *_tc); 565086Sgblack@eecs.umich.edu 575086Sgblack@eecs.umich.edu Addr task(Addr ksp) const; 585135Sgblack@eecs.umich.edu int pid(Addr ksp) const; 595135Sgblack@eecs.umich.edu std::string name(Addr ksp) const; 605135Sgblack@eecs.umich.edu}; 615086Sgblack@eecs.umich.edu 625135Sgblack@eecs.umich.educlass StackTrace 635234Sgblack@eecs.umich.edu{ 645086Sgblack@eecs.umich.edu protected: 655086Sgblack@eecs.umich.edu typedef MipsISA::MachInst MachInst; 665086Sgblack@eecs.umich.edu private: 675086Sgblack@eecs.umich.edu ThreadContext *tc; 685086Sgblack@eecs.umich.edu std::vector<Addr> stack; 695086Sgblack@eecs.umich.edu 705086Sgblack@eecs.umich.edu private: 715086Sgblack@eecs.umich.edu bool isEntry(Addr addr); 725086Sgblack@eecs.umich.edu bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 735086Sgblack@eecs.umich.edu bool decodeSave(MachInst inst, int ®, int &disp); 745086Sgblack@eecs.umich.edu bool decodeStack(MachInst inst, int &disp); 755135Sgblack@eecs.umich.edu 765135Sgblack@eecs.umich.edu void trace(ThreadContext *tc, bool is_call); 775135Sgblack@eecs.umich.edu 785135Sgblack@eecs.umich.edu public: 795135Sgblack@eecs.umich.edu StackTrace(); 805135Sgblack@eecs.umich.edu StackTrace(ThreadContext *tc, StaticInstPtr inst); 815135Sgblack@eecs.umich.edu ~StackTrace(); 825135Sgblack@eecs.umich.edu 835135Sgblack@eecs.umich.edu void clear() 845135Sgblack@eecs.umich.edu { 855135Sgblack@eecs.umich.edu tc = 0; 865135Sgblack@eecs.umich.edu stack.clear(); 875135Sgblack@eecs.umich.edu } 885135Sgblack@eecs.umich.edu 895135Sgblack@eecs.umich.edu bool valid() const { return tc != NULL; } 905135Sgblack@eecs.umich.edu bool trace(ThreadContext *tc, StaticInstPtr inst); 915135Sgblack@eecs.umich.edu 925135Sgblack@eecs.umich.edu public: 935135Sgblack@eecs.umich.edu const std::vector<Addr> &getstack() const { return stack; } 945135Sgblack@eecs.umich.edu 955135Sgblack@eecs.umich.edu static const int user = 1; 965135Sgblack@eecs.umich.edu static const int console = 2; 975135Sgblack@eecs.umich.edu static const int unknown = 3; 985135Sgblack@eecs.umich.edu 995135Sgblack@eecs.umich.edu#if TRACING_ON 1005135Sgblack@eecs.umich.edu private: 1015264Sgblack@eecs.umich.edu void dump(); 1025135Sgblack@eecs.umich.edu 1035135Sgblack@eecs.umich.edu public: 1045135Sgblack@eecs.umich.edu void dprintf() { if (DTRACE(Stack)) dump(); } 1055135Sgblack@eecs.umich.edu#else 1065135Sgblack@eecs.umich.edu public: 1075264Sgblack@eecs.umich.edu void dprintf() {} 1085135Sgblack@eecs.umich.edu#endif 1095135Sgblack@eecs.umich.edu}; 1105135Sgblack@eecs.umich.edu 1115141Sgblack@eecs.umich.eduinline bool 1125141Sgblack@eecs.umich.eduStackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 1135141Sgblack@eecs.umich.edu{ 1145141Sgblack@eecs.umich.edu if (!inst->isCall() && !inst->isReturn()) 1155141Sgblack@eecs.umich.edu return false; 1165141Sgblack@eecs.umich.edu 1175141Sgblack@eecs.umich.edu if (valid()) 1185135Sgblack@eecs.umich.edu clear(); 1195135Sgblack@eecs.umich.edu 1205135Sgblack@eecs.umich.edu trace(tc, !inst->isReturn()); 1215289Sgblack@eecs.umich.edu return true; 1225135Sgblack@eecs.umich.edu} 1235141Sgblack@eecs.umich.edu 1245135Sgblack@eecs.umich.edu} 1255135Sgblack@eecs.umich.edu 1265141Sgblack@eecs.umich.edu#endif // __ARCH_MIPS_STACKTRACE_HH__ 1275141Sgblack@eecs.umich.edu