stacktrace.hh revision 6691
113540Sandrea.mondelli@ucf.edu/* 211482Sandreas.sandberg@arm.com * Copyright (c) 2005 The Regents of The University of Michigan 312068Snikos.nikoleris@arm.com * Copyright (c) 2007-2008 The Florida State University 411482Sandreas.sandberg@arm.com * Copyright (c) 2009 The University of Edinburgh 511482Sandreas.sandberg@arm.com * All rights reserved. 611482Sandreas.sandberg@arm.com * 711482Sandreas.sandberg@arm.com * Redistribution and use in source and binary forms, with or without 811482Sandreas.sandberg@arm.com * modification, are permitted provided that the following conditions are 911482Sandreas.sandberg@arm.com * met: redistributions of source code must retain the above copyright 1011482Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer; 1111482Sandreas.sandberg@arm.com * redistributions in binary form must reproduce the above copyright 1211482Sandreas.sandberg@arm.com * notice, this list of conditions and the following disclaimer in the 1311482Sandreas.sandberg@arm.com * documentation and/or other materials provided with the distribution; 1411482Sandreas.sandberg@arm.com * neither the name of the copyright holders nor the names of its 1511482Sandreas.sandberg@arm.com * contributors may be used to endorse or promote products derived from 1611482Sandreas.sandberg@arm.com * this software without specific prior written permission. 1711482Sandreas.sandberg@arm.com * 1811482Sandreas.sandberg@arm.com * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1911482Sandreas.sandberg@arm.com * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2011482Sandreas.sandberg@arm.com * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2111482Sandreas.sandberg@arm.com * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2211482Sandreas.sandberg@arm.com * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2311482Sandreas.sandberg@arm.com * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2411482Sandreas.sandberg@arm.com * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2511482Sandreas.sandberg@arm.com * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2611482Sandreas.sandberg@arm.com * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2711482Sandreas.sandberg@arm.com * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2811482Sandreas.sandberg@arm.com * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2911482Sandreas.sandberg@arm.com * 3011482Sandreas.sandberg@arm.com * Authors: Ali Saidi 3111482Sandreas.sandberg@arm.com * Stephen Hines 3211482Sandreas.sandberg@arm.com * Timothy M. Jones 3311482Sandreas.sandberg@arm.com */ 3411482Sandreas.sandberg@arm.com 3511482Sandreas.sandberg@arm.com#ifndef __ARCH_POWER_STACKTRACE_HH__ 3611482Sandreas.sandberg@arm.com#define __ARCH_POWER_STACKTRACE_HH__ 3711482Sandreas.sandberg@arm.com 3811482Sandreas.sandberg@arm.com#include "base/trace.hh" 3911482Sandreas.sandberg@arm.com#include "cpu/static_inst.hh" 4011482Sandreas.sandberg@arm.com 4111482Sandreas.sandberg@arm.comclass ThreadContext; 4211482Sandreas.sandberg@arm.comclass StackTrace; 4311482Sandreas.sandberg@arm.com 4411482Sandreas.sandberg@arm.comnamespace PowerISA 4511482Sandreas.sandberg@arm.com{ 4611482Sandreas.sandberg@arm.com 4711482Sandreas.sandberg@arm.comclass ProcessInfo 4811482Sandreas.sandberg@arm.com{ 4911482Sandreas.sandberg@arm.com private: 5011482Sandreas.sandberg@arm.com ThreadContext *tc; 5111482Sandreas.sandberg@arm.com 5211482Sandreas.sandberg@arm.com int thread_info_size; 5311482Sandreas.sandberg@arm.com int task_struct_size; 5411482Sandreas.sandberg@arm.com int task_off; 5511482Sandreas.sandberg@arm.com int pid_off; 5611482Sandreas.sandberg@arm.com int name_off; 5711482Sandreas.sandberg@arm.com 5811482Sandreas.sandberg@arm.com public: 5911482Sandreas.sandberg@arm.com ProcessInfo(ThreadContext *_tc); 6011482Sandreas.sandberg@arm.com 6111482Sandreas.sandberg@arm.com Addr task(Addr ksp) const; 6211482Sandreas.sandberg@arm.com int pid(Addr ksp) const; 6311482Sandreas.sandberg@arm.com std::string name(Addr ksp) const; 6411482Sandreas.sandberg@arm.com}; 6511482Sandreas.sandberg@arm.com 6611482Sandreas.sandberg@arm.comclass StackTrace 6711482Sandreas.sandberg@arm.com{ 6811482Sandreas.sandberg@arm.com protected: 6911482Sandreas.sandberg@arm.com typedef TheISA::MachInst MachInst; 7011482Sandreas.sandberg@arm.com private: 7111482Sandreas.sandberg@arm.com ThreadContext *tc; 7211482Sandreas.sandberg@arm.com std::vector<Addr> stack; 7311482Sandreas.sandberg@arm.com 7411482Sandreas.sandberg@arm.com private: 7511482Sandreas.sandberg@arm.com bool isEntry(Addr addr); 7611482Sandreas.sandberg@arm.com bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 7711482Sandreas.sandberg@arm.com bool decodeSave(MachInst inst, int ®, int &disp); 7811482Sandreas.sandberg@arm.com bool decodeStack(MachInst inst, int &disp); 7911482Sandreas.sandberg@arm.com 8011482Sandreas.sandberg@arm.com void trace(ThreadContext *tc, bool is_call); 8111482Sandreas.sandberg@arm.com 8211482Sandreas.sandberg@arm.com public: 8311482Sandreas.sandberg@arm.com StackTrace(); 8411482Sandreas.sandberg@arm.com StackTrace(ThreadContext *tc, StaticInstPtr inst); 8511482Sandreas.sandberg@arm.com ~StackTrace(); 8611482Sandreas.sandberg@arm.com 8711482Sandreas.sandberg@arm.com void 8811482Sandreas.sandberg@arm.com clear() 8911482Sandreas.sandberg@arm.com { 9011482Sandreas.sandberg@arm.com tc = 0; 9111482Sandreas.sandberg@arm.com stack.clear(); 9211482Sandreas.sandberg@arm.com } 9311482Sandreas.sandberg@arm.com 9411482Sandreas.sandberg@arm.com bool 9511482Sandreas.sandberg@arm.com valid() const 9611482Sandreas.sandberg@arm.com { 9711482Sandreas.sandberg@arm.com return tc != NULL; 9811482Sandreas.sandberg@arm.com } 9911482Sandreas.sandberg@arm.com 10011482Sandreas.sandberg@arm.com bool trace(ThreadContext *tc, StaticInstPtr inst); 10111482Sandreas.sandberg@arm.com 10211482Sandreas.sandberg@arm.com public: 10311482Sandreas.sandberg@arm.com const std::vector<Addr> & 10411482Sandreas.sandberg@arm.com getstack() const 10513012Sandreas.sandberg@arm.com { 10611482Sandreas.sandberg@arm.com return stack; 10711482Sandreas.sandberg@arm.com } 10811482Sandreas.sandberg@arm.com 10911482Sandreas.sandberg@arm.com static const int user = 1; 11011482Sandreas.sandberg@arm.com static const int console = 2; 11111482Sandreas.sandberg@arm.com static const int unknown = 3; 11211482Sandreas.sandberg@arm.com 11311482Sandreas.sandberg@arm.com#if TRACING_ON 11411482Sandreas.sandberg@arm.com private: 11511482Sandreas.sandberg@arm.com void dump(); 11611482Sandreas.sandberg@arm.com 11711482Sandreas.sandberg@arm.com public: 11811482Sandreas.sandberg@arm.com void 11911482Sandreas.sandberg@arm.com dprintf() 12011482Sandreas.sandberg@arm.com { 12111482Sandreas.sandberg@arm.com if (DTRACE(Stack)) 12211482Sandreas.sandberg@arm.com dump(); 12311482Sandreas.sandberg@arm.com } 12411482Sandreas.sandberg@arm.com#else 12511482Sandreas.sandberg@arm.com public: 12611482Sandreas.sandberg@arm.com void 12711482Sandreas.sandberg@arm.com dprintf() 12811482Sandreas.sandberg@arm.com { 12911482Sandreas.sandberg@arm.com } 13011482Sandreas.sandberg@arm.com#endif 13111482Sandreas.sandberg@arm.com}; 13211482Sandreas.sandberg@arm.com 13311482Sandreas.sandberg@arm.cominline bool 13411482Sandreas.sandberg@arm.comStackTrace::trace(ThreadContext *tc, StaticInstPtr inst) 13511482Sandreas.sandberg@arm.com{ 13611482Sandreas.sandberg@arm.com if (!inst->isCall() && !inst->isReturn()) 13711482Sandreas.sandberg@arm.com return false; 13811482Sandreas.sandberg@arm.com 13911482Sandreas.sandberg@arm.com if (valid()) 14011482Sandreas.sandberg@arm.com clear(); 14111482Sandreas.sandberg@arm.com 14211482Sandreas.sandberg@arm.com trace(tc, !inst->isReturn()); 14311482Sandreas.sandberg@arm.com return true; 14411482Sandreas.sandberg@arm.com} 14511482Sandreas.sandberg@arm.com 14611482Sandreas.sandberg@arm.com} // PowerISA namespace 14711482Sandreas.sandberg@arm.com 14811482Sandreas.sandberg@arm.com#endif // __ARCH_POWER_STACKTRACE_HH__ 14911482Sandreas.sandberg@arm.com