nativetrace.cc revision 5038
14776Sgblack@eecs.umich.edu/* 24776Sgblack@eecs.umich.edu * Copyright (c) 2001-2005 The Regents of The University of Michigan 34776Sgblack@eecs.umich.edu * All rights reserved. 44776Sgblack@eecs.umich.edu * 54776Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 64776Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 74776Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 84776Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 94776Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 104776Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 114776Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 124776Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 134776Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 144776Sgblack@eecs.umich.edu * this software without specific prior written permission. 154776Sgblack@eecs.umich.edu * 164776Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 174776Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 184776Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 194776Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 204776Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 214776Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 224776Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 234776Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 244776Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 254776Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 264776Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 274776Sgblack@eecs.umich.edu * 284776Sgblack@eecs.umich.edu * Authors: Steve Reinhardt 294776Sgblack@eecs.umich.edu * Lisa Hsu 304776Sgblack@eecs.umich.edu * Nathan Binkert 314776Sgblack@eecs.umich.edu * Steve Raasch 324776Sgblack@eecs.umich.edu */ 334776Sgblack@eecs.umich.edu 344776Sgblack@eecs.umich.edu#include <errno.h> 354776Sgblack@eecs.umich.edu 364776Sgblack@eecs.umich.edu#include "arch/regfile.hh" 374776Sgblack@eecs.umich.edu#include "arch/utility.hh" 384776Sgblack@eecs.umich.edu#include "base/loader/symtab.hh" 394776Sgblack@eecs.umich.edu#include "base/socket.hh" 404776Sgblack@eecs.umich.edu#include "cpu/nativetrace.hh" 414776Sgblack@eecs.umich.edu#include "cpu/static_inst.hh" 424776Sgblack@eecs.umich.edu#include "cpu/thread_context.hh" 434776Sgblack@eecs.umich.edu#include "params/NativeTrace.hh" 444776Sgblack@eecs.umich.edu 454776Sgblack@eecs.umich.edu//XXX This is temporary 464776Sgblack@eecs.umich.edu#include "arch/isa_specific.hh" 474776Sgblack@eecs.umich.edu 484776Sgblack@eecs.umich.eduusing namespace std; 494776Sgblack@eecs.umich.eduusing namespace TheISA; 504776Sgblack@eecs.umich.edu 514776Sgblack@eecs.umich.edunamespace Trace { 524776Sgblack@eecs.umich.edu 535038Sgblack@eecs.umich.eduNativeTrace::NativeTrace(const Params *p) : InstTracer(p) 544776Sgblack@eecs.umich.edu{ 554776Sgblack@eecs.umich.edu int port = 8000; 564776Sgblack@eecs.umich.edu while(!native_listener.listen(port, true)) 574776Sgblack@eecs.umich.edu { 584776Sgblack@eecs.umich.edu DPRINTF(GDBMisc, "Can't bind port %d\n", port); 594776Sgblack@eecs.umich.edu port++; 604776Sgblack@eecs.umich.edu } 614776Sgblack@eecs.umich.edu ccprintf(cerr, "Listening for native process on port %d\n", port); 624776Sgblack@eecs.umich.edu fd = native_listener.accept(); 634830Sgblack@eecs.umich.edu checkRcx = true; 644830Sgblack@eecs.umich.edu checkR11 = true; 654776Sgblack@eecs.umich.edu} 664776Sgblack@eecs.umich.edu 674776Sgblack@eecs.umich.edubool 684830Sgblack@eecs.umich.eduNativeTrace::checkRcxReg(const char * name, uint64_t &mVal, uint64_t &nVal) 694776Sgblack@eecs.umich.edu{ 704830Sgblack@eecs.umich.edu if(!checkRcx) 714830Sgblack@eecs.umich.edu checkRcx = (mVal != oldRcxVal || nVal != oldRealRcxVal); 724830Sgblack@eecs.umich.edu if(checkRcx) 734830Sgblack@eecs.umich.edu return checkReg(name, mVal, nVal); 744776Sgblack@eecs.umich.edu return true; 754776Sgblack@eecs.umich.edu} 764776Sgblack@eecs.umich.edu 774830Sgblack@eecs.umich.edubool 784830Sgblack@eecs.umich.eduNativeTrace::checkR11Reg(const char * name, uint64_t &mVal, uint64_t &nVal) 794776Sgblack@eecs.umich.edu{ 804830Sgblack@eecs.umich.edu if(!checkR11) 814830Sgblack@eecs.umich.edu checkR11 = (mVal != oldR11Val || nVal != oldRealR11Val); 824830Sgblack@eecs.umich.edu if(checkR11) 834830Sgblack@eecs.umich.edu return checkReg(name, mVal, nVal); 844776Sgblack@eecs.umich.edu return true; 854776Sgblack@eecs.umich.edu} 864776Sgblack@eecs.umich.edu 874776Sgblack@eecs.umich.eduvoid 884776Sgblack@eecs.umich.eduTrace::NativeTraceRecord::dump() 894776Sgblack@eecs.umich.edu{ 904776Sgblack@eecs.umich.edu //Don't print what happens for each micro-op, just print out 914776Sgblack@eecs.umich.edu //once at the last op, and for regular instructions. 924776Sgblack@eecs.umich.edu if(!staticInst->isMicroop() || staticInst->isLastMicroop()) 934830Sgblack@eecs.umich.edu parent->check(thread, staticInst->isSyscall()); 944830Sgblack@eecs.umich.edu} 954830Sgblack@eecs.umich.edu 964830Sgblack@eecs.umich.eduvoid 974830Sgblack@eecs.umich.eduTrace::NativeTrace::check(ThreadContext * tc, bool isSyscall) 984830Sgblack@eecs.umich.edu{ 994830Sgblack@eecs.umich.edu// ostream &outs = Trace::output(); 1004830Sgblack@eecs.umich.edu nState.update(fd); 1014830Sgblack@eecs.umich.edu mState.update(tc); 1024830Sgblack@eecs.umich.edu 1034830Sgblack@eecs.umich.edu if(isSyscall) 1044776Sgblack@eecs.umich.edu { 1054830Sgblack@eecs.umich.edu checkRcx = false; 1064830Sgblack@eecs.umich.edu checkR11 = false; 1074830Sgblack@eecs.umich.edu oldRcxVal = mState.rcx; 1084830Sgblack@eecs.umich.edu oldRealRcxVal = nState.rcx; 1094830Sgblack@eecs.umich.edu oldR11Val = mState.r11; 1104830Sgblack@eecs.umich.edu oldRealR11Val = nState.r11; 1114830Sgblack@eecs.umich.edu } 1124830Sgblack@eecs.umich.edu 1134830Sgblack@eecs.umich.edu checkReg("rax", mState.rax, nState.rax); 1144830Sgblack@eecs.umich.edu checkRcxReg("rcx", mState.rcx, nState.rcx); 1154830Sgblack@eecs.umich.edu checkReg("rdx", mState.rdx, nState.rdx); 1164830Sgblack@eecs.umich.edu checkReg("rbx", mState.rbx, nState.rbx); 1174830Sgblack@eecs.umich.edu checkReg("rsp", mState.rsp, nState.rsp); 1184830Sgblack@eecs.umich.edu checkReg("rbp", mState.rbp, nState.rbp); 1194830Sgblack@eecs.umich.edu checkReg("rsi", mState.rsi, nState.rsi); 1204830Sgblack@eecs.umich.edu checkReg("rdi", mState.rdi, nState.rdi); 1214830Sgblack@eecs.umich.edu checkReg("r8", mState.r8, nState.r8); 1224830Sgblack@eecs.umich.edu checkReg("r9", mState.r9, nState.r9); 1234830Sgblack@eecs.umich.edu checkReg("r10", mState.r10, nState.r10); 1244830Sgblack@eecs.umich.edu checkR11Reg("r11", mState.r11, nState.r11); 1254830Sgblack@eecs.umich.edu checkReg("r12", mState.r12, nState.r12); 1264830Sgblack@eecs.umich.edu checkReg("r13", mState.r13, nState.r13); 1274830Sgblack@eecs.umich.edu checkReg("r14", mState.r14, nState.r14); 1284830Sgblack@eecs.umich.edu checkReg("r15", mState.r15, nState.r15); 1294830Sgblack@eecs.umich.edu checkReg("rip", mState.rip, nState.rip); 1304776Sgblack@eecs.umich.edu#if THE_ISA == SPARC_ISA 1314830Sgblack@eecs.umich.edu /*for(int f = 0; f <= 62; f+=2) 1324830Sgblack@eecs.umich.edu { 1334776Sgblack@eecs.umich.edu uint64_t regVal; 1344776Sgblack@eecs.umich.edu int res = read(fd, ®Val, sizeof(regVal)); 1354776Sgblack@eecs.umich.edu if(res < 0) 1364776Sgblack@eecs.umich.edu panic("First read call failed! %s\n", strerror(errno)); 1374776Sgblack@eecs.umich.edu regVal = TheISA::gtoh(regVal); 1384830Sgblack@eecs.umich.edu uint64_t realRegVal = thread->readFloatRegBits(f, 64); 1394776Sgblack@eecs.umich.edu if(regVal != realRegVal) 1404776Sgblack@eecs.umich.edu { 1414830Sgblack@eecs.umich.edu DPRINTF(ExecRegDelta, "Register f%d should be %#x but is %#x.\n", f, regVal, realRegVal); 1424776Sgblack@eecs.umich.edu } 1434830Sgblack@eecs.umich.edu }*/ 1444830Sgblack@eecs.umich.edu uint64_t regVal; 1454830Sgblack@eecs.umich.edu int res = read(fd, ®Val, sizeof(regVal)); 1464830Sgblack@eecs.umich.edu if(res < 0) 1474830Sgblack@eecs.umich.edu panic("First read call failed! %s\n", strerror(errno)); 1484830Sgblack@eecs.umich.edu regVal = TheISA::gtoh(regVal); 1494830Sgblack@eecs.umich.edu uint64_t realRegVal = thread->readNextPC(); 1504830Sgblack@eecs.umich.edu if(regVal != realRegVal) 1514830Sgblack@eecs.umich.edu { 1524830Sgblack@eecs.umich.edu DPRINTF(ExecRegDelta, 1534830Sgblack@eecs.umich.edu "Register pc should be %#x but is %#x.\n", 1544830Sgblack@eecs.umich.edu regVal, realRegVal); 1554830Sgblack@eecs.umich.edu } 1564830Sgblack@eecs.umich.edu res = read(fd, ®Val, sizeof(regVal)); 1574830Sgblack@eecs.umich.edu if(res < 0) 1584830Sgblack@eecs.umich.edu panic("First read call failed! %s\n", strerror(errno)); 1594830Sgblack@eecs.umich.edu regVal = TheISA::gtoh(regVal); 1604830Sgblack@eecs.umich.edu realRegVal = thread->readNextNPC(); 1614830Sgblack@eecs.umich.edu if(regVal != realRegVal) 1624830Sgblack@eecs.umich.edu { 1634830Sgblack@eecs.umich.edu DPRINTF(ExecRegDelta, 1644830Sgblack@eecs.umich.edu "Register npc should be %#x but is %#x.\n", 1654830Sgblack@eecs.umich.edu regVal, realRegVal); 1664830Sgblack@eecs.umich.edu } 1674830Sgblack@eecs.umich.edu res = read(fd, ®Val, sizeof(regVal)); 1684830Sgblack@eecs.umich.edu if(res < 0) 1694830Sgblack@eecs.umich.edu panic("First read call failed! %s\n", strerror(errno)); 1704830Sgblack@eecs.umich.edu regVal = TheISA::gtoh(regVal); 1714830Sgblack@eecs.umich.edu realRegVal = thread->readIntReg(SparcISA::NumIntArchRegs + 2); 1724830Sgblack@eecs.umich.edu if((regVal & 0xF) != (realRegVal & 0xF)) 1734830Sgblack@eecs.umich.edu { 1744830Sgblack@eecs.umich.edu DPRINTF(ExecRegDelta, 1754830Sgblack@eecs.umich.edu "Register ccr should be %#x but is %#x.\n", 1764830Sgblack@eecs.umich.edu regVal, realRegVal); 1774830Sgblack@eecs.umich.edu } 1784776Sgblack@eecs.umich.edu#endif 1794776Sgblack@eecs.umich.edu} 1804776Sgblack@eecs.umich.edu 1814776Sgblack@eecs.umich.edu/* namespace Trace */ } 1824776Sgblack@eecs.umich.edu 1834776Sgblack@eecs.umich.edu//////////////////////////////////////////////////////////////////////// 1844776Sgblack@eecs.umich.edu// 1854776Sgblack@eecs.umich.edu// ExeTracer Simulation Object 1864776Sgblack@eecs.umich.edu// 1874776Sgblack@eecs.umich.eduTrace::NativeTrace * 1884776Sgblack@eecs.umich.eduNativeTraceParams::create() 1894776Sgblack@eecs.umich.edu{ 1905038Sgblack@eecs.umich.edu return new Trace::NativeTrace(this); 1914776Sgblack@eecs.umich.edu}; 192