stacktrace.hh revision 2632:1bb2f91485ea
16019Shines@cs.fsu.edu/* 26019Shines@cs.fsu.edu * Copyright (c) 2005 The Regents of The University of Michigan 36019Shines@cs.fsu.edu * All rights reserved. 46019Shines@cs.fsu.edu * 56019Shines@cs.fsu.edu * Redistribution and use in source and binary forms, with or without 66019Shines@cs.fsu.edu * modification, are permitted provided that the following conditions are 76019Shines@cs.fsu.edu * met: redistributions of source code must retain the above copyright 86019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer; 96019Shines@cs.fsu.edu * redistributions in binary form must reproduce the above copyright 106019Shines@cs.fsu.edu * notice, this list of conditions and the following disclaimer in the 116019Shines@cs.fsu.edu * documentation and/or other materials provided with the distribution; 126019Shines@cs.fsu.edu * neither the name of the copyright holders nor the names of its 136019Shines@cs.fsu.edu * contributors may be used to endorse or promote products derived from 146019Shines@cs.fsu.edu * this software without specific prior written permission. 156019Shines@cs.fsu.edu * 166019Shines@cs.fsu.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 176019Shines@cs.fsu.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 186019Shines@cs.fsu.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 196019Shines@cs.fsu.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 206019Shines@cs.fsu.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 216019Shines@cs.fsu.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 226019Shines@cs.fsu.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 236019Shines@cs.fsu.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 246019Shines@cs.fsu.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 256019Shines@cs.fsu.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 266019Shines@cs.fsu.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 276019Shines@cs.fsu.edu */ 286757SAli.Saidi@ARM.com 296019Shines@cs.fsu.edu#ifndef __ARCH_ALPHA_STACKTRACE_HH__ 306019Shines@cs.fsu.edu#define __ARCH_ALPHA_STACKTRACE_HH__ 316019Shines@cs.fsu.edu 326019Shines@cs.fsu.edu#include "base/trace.hh" 336019Shines@cs.fsu.edu#include "cpu/static_inst.hh" 346019Shines@cs.fsu.edu 356019Shines@cs.fsu.educlass ExecContext; 368232Snate@binkert.orgclass StackTrace; 376019Shines@cs.fsu.edu 386019Shines@cs.fsu.educlass ProcessInfo 396019Shines@cs.fsu.edu{ 406019Shines@cs.fsu.edu private: 416019Shines@cs.fsu.edu ExecContext *xc; 426757SAli.Saidi@ARM.com 436757SAli.Saidi@ARM.com int thread_info_size; 446019Shines@cs.fsu.edu int task_struct_size; 456019Shines@cs.fsu.edu int task_off; 466019Shines@cs.fsu.edu int pid_off; 476019Shines@cs.fsu.edu int name_off; 486019Shines@cs.fsu.edu 496019Shines@cs.fsu.edu public: 506019Shines@cs.fsu.edu ProcessInfo(ExecContext *_xc); 516019Shines@cs.fsu.edu 526019Shines@cs.fsu.edu Addr task(Addr ksp) const; 536019Shines@cs.fsu.edu int pid(Addr ksp) const; 546019Shines@cs.fsu.edu std::string name(Addr ksp) const; 556019Shines@cs.fsu.edu}; 566019Shines@cs.fsu.edu 576019Shines@cs.fsu.educlass StackTrace 586019Shines@cs.fsu.edu{ 596019Shines@cs.fsu.edu protected: 606019Shines@cs.fsu.edu typedef TheISA::MachInst MachInst; 616019Shines@cs.fsu.edu private: 626019Shines@cs.fsu.edu ExecContext *xc; 636019Shines@cs.fsu.edu std::vector<Addr> stack; 646019Shines@cs.fsu.edu 656019Shines@cs.fsu.edu private: 666757SAli.Saidi@ARM.com bool isEntry(Addr addr); 676019Shines@cs.fsu.edu bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 686019Shines@cs.fsu.edu bool decodeSave(MachInst inst, int ®, int &disp); 696019Shines@cs.fsu.edu bool decodeStack(MachInst inst, int &disp); 706019Shines@cs.fsu.edu 716019Shines@cs.fsu.edu void trace(ExecContext *xc, bool is_call); 726019Shines@cs.fsu.edu 736019Shines@cs.fsu.edu public: 746019Shines@cs.fsu.edu StackTrace(); 756019Shines@cs.fsu.edu StackTrace(ExecContext *xc, StaticInstPtr inst); 766019Shines@cs.fsu.edu ~StackTrace(); 776019Shines@cs.fsu.edu 786019Shines@cs.fsu.edu void clear() 796019Shines@cs.fsu.edu { 806019Shines@cs.fsu.edu xc = 0; 8110417Sandreas.hansson@arm.com stack.clear(); 826019Shines@cs.fsu.edu } 836019Shines@cs.fsu.edu 846019Shines@cs.fsu.edu bool valid() const { return xc != NULL; } 856019Shines@cs.fsu.edu bool trace(ExecContext *xc, StaticInstPtr inst); 866019Shines@cs.fsu.edu 876019Shines@cs.fsu.edu public: 886019Shines@cs.fsu.edu const std::vector<Addr> &getstack() const { return stack; } 896019Shines@cs.fsu.edu 906019Shines@cs.fsu.edu static const int user = 1; 9110417Sandreas.hansson@arm.com static const int console = 2; 926019Shines@cs.fsu.edu static const int unknown = 3; 936019Shines@cs.fsu.edu 946019Shines@cs.fsu.edu#if TRACING_ON 956019Shines@cs.fsu.edu private: 966019Shines@cs.fsu.edu void dump(); 976019Shines@cs.fsu.edu 986019Shines@cs.fsu.edu public: 996019Shines@cs.fsu.edu void dprintf() { if (DTRACE(Stack)) dump(); } 1006019Shines@cs.fsu.edu#else 1016019Shines@cs.fsu.edu public: 1026019Shines@cs.fsu.edu void dprintf() {} 1036019Shines@cs.fsu.edu#endif 1046019Shines@cs.fsu.edu}; 1056019Shines@cs.fsu.edu 1066019Shines@cs.fsu.eduinline bool 1076019Shines@cs.fsu.eduStackTrace::trace(ExecContext *xc, StaticInstPtr inst) 1086019Shines@cs.fsu.edu{ 10910417Sandreas.hansson@arm.com if (!inst->isCall() && !inst->isReturn()) 1106019Shines@cs.fsu.edu return false; 1116019Shines@cs.fsu.edu 1126019Shines@cs.fsu.edu if (valid()) 1136019Shines@cs.fsu.edu clear(); 1146019Shines@cs.fsu.edu 1156019Shines@cs.fsu.edu trace(xc, !inst->isReturn()); 1166019Shines@cs.fsu.edu return true; 1176019Shines@cs.fsu.edu} 1186019Shines@cs.fsu.edu 1196019Shines@cs.fsu.edu#endif // __ARCH_ALPHA_STACKTRACE_HH__ 1206019Shines@cs.fsu.edu