111723Sar4jc@virginia.edu/* 211723Sar4jc@virginia.edu * Copyright (c) 2005 The Regents of The University of Michigan 311723Sar4jc@virginia.edu * Copyright (c) 2007-2008 The Florida State University 411723Sar4jc@virginia.edu * Copyright (c) 2009 The University of Edinburgh 511723Sar4jc@virginia.edu * All rights reserved. 611723Sar4jc@virginia.edu * 711723Sar4jc@virginia.edu * Redistribution and use in source and binary forms, with or without 811723Sar4jc@virginia.edu * modification, are permitted provided that the following conditions are 911723Sar4jc@virginia.edu * met: redistributions of source code must retain the above copyright 1011723Sar4jc@virginia.edu * notice, this list of conditions and the following disclaimer; 1111723Sar4jc@virginia.edu * redistributions in binary form must reproduce the above copyright 1211723Sar4jc@virginia.edu * notice, this list of conditions and the following disclaimer in the 1311723Sar4jc@virginia.edu * documentation and/or other materials provided with the distribution; 1411723Sar4jc@virginia.edu * neither the name of the copyright holders nor the names of its 1511723Sar4jc@virginia.edu * contributors may be used to endorse or promote products derived from 1611723Sar4jc@virginia.edu * this software without specific prior written permission. 1711723Sar4jc@virginia.edu * 1811723Sar4jc@virginia.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1911723Sar4jc@virginia.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 2011723Sar4jc@virginia.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2111723Sar4jc@virginia.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2211723Sar4jc@virginia.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2311723Sar4jc@virginia.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2411723Sar4jc@virginia.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2511723Sar4jc@virginia.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2611723Sar4jc@virginia.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2711723Sar4jc@virginia.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2811723Sar4jc@virginia.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2911723Sar4jc@virginia.edu * 3011723Sar4jc@virginia.edu * Authors: Ali Saidi 3111723Sar4jc@virginia.edu * Stephen Hines 3211723Sar4jc@virginia.edu * Timothy M. Jones 3311723Sar4jc@virginia.edu */ 3411723Sar4jc@virginia.edu 3511723Sar4jc@virginia.edu#ifndef __ARCH_RISCV_STACKTRACE_HH__ 3611723Sar4jc@virginia.edu#define __ARCH_RISCV_STACKTRACE_HH__ 3711723Sar4jc@virginia.edu 3811723Sar4jc@virginia.edu#include "base/trace.hh" 3911723Sar4jc@virginia.edu#include "cpu/static_inst.hh" 4011723Sar4jc@virginia.edu#include "debug/Stack.hh" 4111723Sar4jc@virginia.edu 4211723Sar4jc@virginia.educlass ThreadContext; 4311723Sar4jc@virginia.educlass StackTrace; 4411723Sar4jc@virginia.edu 4511723Sar4jc@virginia.edunamespace RiscvISA 4611723Sar4jc@virginia.edu{ 4711723Sar4jc@virginia.edu 4811723Sar4jc@virginia.educlass ProcessInfo 4911723Sar4jc@virginia.edu{ 5011723Sar4jc@virginia.edu public: 5111723Sar4jc@virginia.edu ProcessInfo(ThreadContext *_tc); 5211723Sar4jc@virginia.edu 5311723Sar4jc@virginia.edu Addr task(Addr ksp) const; 5411723Sar4jc@virginia.edu int pid(Addr ksp) const; 5511723Sar4jc@virginia.edu std::string name(Addr ksp) const; 5611723Sar4jc@virginia.edu}; 5711723Sar4jc@virginia.edu 5811723Sar4jc@virginia.educlass StackTrace 5911723Sar4jc@virginia.edu{ 6011723Sar4jc@virginia.edu private: 6111723Sar4jc@virginia.edu ThreadContext *tc; 6211723Sar4jc@virginia.edu std::vector<Addr> stack; 6311723Sar4jc@virginia.edu 6411723Sar4jc@virginia.edu private: 6511723Sar4jc@virginia.edu bool isEntry(Addr addr); 6611723Sar4jc@virginia.edu bool decodePrologue(Addr sp, Addr callpc, Addr func, int &size, Addr &ra); 6711723Sar4jc@virginia.edu bool decodeSave(MachInst inst, int ®, int &disp); 6811723Sar4jc@virginia.edu bool decodeStack(MachInst inst, int &disp); 6911723Sar4jc@virginia.edu 7011723Sar4jc@virginia.edu void trace(ThreadContext *tc, bool is_call); 7111723Sar4jc@virginia.edu 7211723Sar4jc@virginia.edu public: 7311723Sar4jc@virginia.edu StackTrace(); 7411723Sar4jc@virginia.edu StackTrace(ThreadContext *tc, const StaticInstPtr &inst); 7511723Sar4jc@virginia.edu ~StackTrace(); 7611723Sar4jc@virginia.edu 7711723Sar4jc@virginia.edu void 7811723Sar4jc@virginia.edu clear() 7911723Sar4jc@virginia.edu { 8011723Sar4jc@virginia.edu tc = 0; 8111723Sar4jc@virginia.edu stack.clear(); 8211723Sar4jc@virginia.edu } 8311723Sar4jc@virginia.edu 8411723Sar4jc@virginia.edu bool 8511723Sar4jc@virginia.edu valid() const 8611723Sar4jc@virginia.edu { 8711723Sar4jc@virginia.edu return tc != nullptr; 8811723Sar4jc@virginia.edu } 8911723Sar4jc@virginia.edu 9011723Sar4jc@virginia.edu bool trace(ThreadContext *tc, const StaticInstPtr &inst); 9111723Sar4jc@virginia.edu 9211723Sar4jc@virginia.edu public: 9311723Sar4jc@virginia.edu const std::vector<Addr> & 9411723Sar4jc@virginia.edu getstack() const 9511723Sar4jc@virginia.edu { 9611723Sar4jc@virginia.edu return stack; 9711723Sar4jc@virginia.edu } 9811723Sar4jc@virginia.edu 9911723Sar4jc@virginia.edu static const int user = 1; 10011723Sar4jc@virginia.edu static const int console = 2; 10111723Sar4jc@virginia.edu static const int unknown = 3; 10211723Sar4jc@virginia.edu 10311723Sar4jc@virginia.edu#if TRACING_ON 10411723Sar4jc@virginia.edu private: 10511723Sar4jc@virginia.edu void dump(); 10611723Sar4jc@virginia.edu 10711723Sar4jc@virginia.edu public: 10811723Sar4jc@virginia.edu void 10911723Sar4jc@virginia.edu dprintf() 11011723Sar4jc@virginia.edu { 11111723Sar4jc@virginia.edu if (DTRACE(Stack)) 11211723Sar4jc@virginia.edu dump(); 11311723Sar4jc@virginia.edu } 11411723Sar4jc@virginia.edu#else 11511723Sar4jc@virginia.edu public: 11611723Sar4jc@virginia.edu void 11711723Sar4jc@virginia.edu dprintf() 11811723Sar4jc@virginia.edu { 11911723Sar4jc@virginia.edu } 12011723Sar4jc@virginia.edu#endif 12111723Sar4jc@virginia.edu}; 12211723Sar4jc@virginia.edu 12311723Sar4jc@virginia.eduinline bool 12411723Sar4jc@virginia.eduStackTrace::trace(ThreadContext *tc, const StaticInstPtr &inst) 12511723Sar4jc@virginia.edu{ 12611723Sar4jc@virginia.edu if (!inst->isCall() && !inst->isReturn()) 12711723Sar4jc@virginia.edu return false; 12811723Sar4jc@virginia.edu 12911723Sar4jc@virginia.edu if (valid()) 13011723Sar4jc@virginia.edu clear(); 13111723Sar4jc@virginia.edu 13211723Sar4jc@virginia.edu trace(tc, !inst->isReturn()); 13311723Sar4jc@virginia.edu return true; 13411723Sar4jc@virginia.edu} 13511723Sar4jc@virginia.edu 13611723Sar4jc@virginia.edu} // namespace RiscvISA 13711723Sar4jc@virginia.edu 13811723Sar4jc@virginia.edu#endif // __ARCH_RISCV_STACKTRACE_HH__ 139