stacktrace.hh revision 2665:a124942bacb8
13536Sgblack@eecs.umich.edu/* 23536Sgblack@eecs.umich.edu * Copyright (c) 2005 The Regents of The University of Michigan 33536Sgblack@eecs.umich.edu * All rights reserved. 43536Sgblack@eecs.umich.edu * 53536Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 63536Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 73536Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 83536Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 93536Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 103536Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 113536Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 123536Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 133536Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 143536Sgblack@eecs.umich.edu * this software without specific prior written permission. 153536Sgblack@eecs.umich.edu * 163536Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173536Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183536Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193536Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203536Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213536Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223536Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233536Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243536Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253536Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263536Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273536Sgblack@eecs.umich.edu * 283536Sgblack@eecs.umich.edu * Authors: Nathan Binkert 293536Sgblack@eecs.umich.edu */ 303536Sgblack@eecs.umich.edu 313536Sgblack@eecs.umich.edu#ifndef __ARCH_ALPHA_STACKTRACE_HH__ 328332Snate@binkert.org#define __ARCH_ALPHA_STACKTRACE_HH__ 338332Snate@binkert.org 343536Sgblack@eecs.umich.edu#include "base/trace.hh" 353536Sgblack@eecs.umich.edu#include "cpu/static_inst.hh" 363536Sgblack@eecs.umich.edu 373536Sgblack@eecs.umich.educlass ExecContext; 383536Sgblack@eecs.umich.educlass StackTrace; 393536Sgblack@eecs.umich.edu 403536Sgblack@eecs.umich.educlass ProcessInfo 415543Ssaidi@eecs.umich.edu{ 425543Ssaidi@eecs.umich.edu private: 433536Sgblack@eecs.umich.edu ExecContext *xc; 443536Sgblack@eecs.umich.edu 453536Sgblack@eecs.umich.edu int thread_info_size; 463536Sgblack@eecs.umich.edu int task_struct_size; 473536Sgblack@eecs.umich.edu int task_off; 483536Sgblack@eecs.umich.edu int pid_off; 493536Sgblack@eecs.umich.edu int name_off; 503536Sgblack@eecs.umich.edu 513536Sgblack@eecs.umich.edu public: 523536Sgblack@eecs.umich.edu ProcessInfo(ExecContext *_xc); 533536Sgblack@eecs.umich.edu 545543Ssaidi@eecs.umich.edu Addr task(Addr ksp) const; 555543Ssaidi@eecs.umich.edu int pid(Addr ksp) const; 563536Sgblack@eecs.umich.edu std::string name(Addr ksp) const; 573536Sgblack@eecs.umich.edu}; 583536Sgblack@eecs.umich.edu 593536Sgblack@eecs.umich.educlass StackTrace 603536Sgblack@eecs.umich.edu{ 613536Sgblack@eecs.umich.edu protected: 623536Sgblack@eecs.umich.edu typedef TheISA::MachInst MachInst; 633536Sgblack@eecs.umich.edu private: 643536Sgblack@eecs.umich.edu ExecContext *xc; 653536Sgblack@eecs.umich.edu std::vector<Addr> stack; 663536Sgblack@eecs.umich.edu 673536Sgblack@eecs.umich.edu private: 683536Sgblack@eecs.umich.edu bool isEntry(Addr addr); 693536Sgblack@eecs.umich.edu bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 703536Sgblack@eecs.umich.edu bool decodeSave(MachInst inst, int ®, int &disp); 713536Sgblack@eecs.umich.edu bool decodeStack(MachInst inst, int &disp); 725543Ssaidi@eecs.umich.edu 733536Sgblack@eecs.umich.edu void trace(ExecContext *xc, bool is_call); 743536Sgblack@eecs.umich.edu 753536Sgblack@eecs.umich.edu public: 763536Sgblack@eecs.umich.edu StackTrace(); 773536Sgblack@eecs.umich.edu StackTrace(ExecContext *xc, StaticInstPtr inst); 783536Sgblack@eecs.umich.edu ~StackTrace(); 793536Sgblack@eecs.umich.edu 803536Sgblack@eecs.umich.edu void clear() 813536Sgblack@eecs.umich.edu { 823536Sgblack@eecs.umich.edu xc = 0; 833536Sgblack@eecs.umich.edu stack.clear(); 843536Sgblack@eecs.umich.edu } 853536Sgblack@eecs.umich.edu 863536Sgblack@eecs.umich.edu bool valid() const { return xc != NULL; } 873536Sgblack@eecs.umich.edu bool trace(ExecContext *xc, StaticInstPtr inst); 883536Sgblack@eecs.umich.edu 893536Sgblack@eecs.umich.edu public: 903536Sgblack@eecs.umich.edu const std::vector<Addr> &getstack() const { return stack; } 913536Sgblack@eecs.umich.edu 925543Ssaidi@eecs.umich.edu static const int user = 1; 935543Ssaidi@eecs.umich.edu static const int console = 2; 943536Sgblack@eecs.umich.edu static const int unknown = 3; 953536Sgblack@eecs.umich.edu 963536Sgblack@eecs.umich.edu#if TRACING_ON 973536Sgblack@eecs.umich.edu private: 983536Sgblack@eecs.umich.edu void dump(); 993536Sgblack@eecs.umich.edu 1003536Sgblack@eecs.umich.edu public: 1013536Sgblack@eecs.umich.edu void dprintf() { if (DTRACE(Stack)) dump(); } 1023536Sgblack@eecs.umich.edu#else 1033536Sgblack@eecs.umich.edu public: 1043536Sgblack@eecs.umich.edu void dprintf() {} 1053536Sgblack@eecs.umich.edu#endif 1063536Sgblack@eecs.umich.edu}; 1073536Sgblack@eecs.umich.edu 1083536Sgblack@eecs.umich.eduinline bool 1093536Sgblack@eecs.umich.eduStackTrace::trace(ExecContext *xc, StaticInstPtr inst) 1103536Sgblack@eecs.umich.edu{ 1113536Sgblack@eecs.umich.edu if (!inst->isCall() && !inst->isReturn()) 1123536Sgblack@eecs.umich.edu return false; 1133536Sgblack@eecs.umich.edu 1143536Sgblack@eecs.umich.edu if (valid()) 1153536Sgblack@eecs.umich.edu clear(); 1163536Sgblack@eecs.umich.edu 1173536Sgblack@eecs.umich.edu trace(xc, !inst->isReturn()); 1183536Sgblack@eecs.umich.edu return true; 1193536Sgblack@eecs.umich.edu} 1208229Snate@binkert.org 1213536Sgblack@eecs.umich.edu#endif // __ARCH_ALPHA_STACKTRACE_HH__ 1223536Sgblack@eecs.umich.edu