tracechild.hh revision 7414
17118Sgblack@eecs.umich.edu/* 27118Sgblack@eecs.umich.edu * Copyright (c) 2010 ARM Limited 37118Sgblack@eecs.umich.edu * All rights reserved 47118Sgblack@eecs.umich.edu * 57118Sgblack@eecs.umich.edu * The license below extends only to copyright in the software and shall 67118Sgblack@eecs.umich.edu * not be construed as granting a license to any other intellectual 77118Sgblack@eecs.umich.edu * property including but not limited to intellectual property relating 87118Sgblack@eecs.umich.edu * to a hardware implementation of the functionality of the software 97118Sgblack@eecs.umich.edu * licensed hereunder. You may use the software subject to the license 107118Sgblack@eecs.umich.edu * terms below provided that you ensure that this notice is replicated 117118Sgblack@eecs.umich.edu * unmodified and in its entirety in all distributions of the software, 127118Sgblack@eecs.umich.edu * modified or unmodified, in source code or in binary form. 137118Sgblack@eecs.umich.edu * 147118Sgblack@eecs.umich.edu * Copyright (c) 2009 The Regents of The University of Michigan 156253Sgblack@eecs.umich.edu * All rights reserved. 166253Sgblack@eecs.umich.edu * 176253Sgblack@eecs.umich.edu * Redistribution and use in source and binary forms, with or without 186253Sgblack@eecs.umich.edu * modification, are permitted provided that the following conditions are 196253Sgblack@eecs.umich.edu * met: redistributions of source code must retain the above copyright 206253Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer; 216253Sgblack@eecs.umich.edu * redistributions in binary form must reproduce the above copyright 226253Sgblack@eecs.umich.edu * notice, this list of conditions and the following disclaimer in the 236253Sgblack@eecs.umich.edu * documentation and/or other materials provided with the distribution; 246253Sgblack@eecs.umich.edu * neither the name of the copyright holders nor the names of its 256253Sgblack@eecs.umich.edu * contributors may be used to endorse or promote products derived from 266253Sgblack@eecs.umich.edu * this software without specific prior written permission. 276253Sgblack@eecs.umich.edu * 286253Sgblack@eecs.umich.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 296253Sgblack@eecs.umich.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 306253Sgblack@eecs.umich.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 316253Sgblack@eecs.umich.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 326253Sgblack@eecs.umich.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 336253Sgblack@eecs.umich.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 346253Sgblack@eecs.umich.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 356253Sgblack@eecs.umich.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 366253Sgblack@eecs.umich.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 376253Sgblack@eecs.umich.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 386253Sgblack@eecs.umich.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 396253Sgblack@eecs.umich.edu * 406253Sgblack@eecs.umich.edu * Authors: Ali Saidi 416253Sgblack@eecs.umich.edu * Gabe Black 426253Sgblack@eecs.umich.edu */ 436253Sgblack@eecs.umich.edu 446253Sgblack@eecs.umich.edu#ifndef TRACECHILD_ARM_HH 456253Sgblack@eecs.umich.edu#define TRACECHILD_ARM_HH 466253Sgblack@eecs.umich.edu 476253Sgblack@eecs.umich.edu#include <cassert> 486253Sgblack@eecs.umich.edu#include <string> 497118Sgblack@eecs.umich.edu#include <sys/user.h> 507205Sgblack@eecs.umich.edu#include <sys/ptrace.h> 517205Sgblack@eecs.umich.edu#include "tracechild.hh" 527205Sgblack@eecs.umich.edu 537205Sgblack@eecs.umich.edu 547205Sgblack@eecs.umich.educlass ARMTraceChild : public TraceChild 557205Sgblack@eecs.umich.edu{ 567205Sgblack@eecs.umich.edu public: 577205Sgblack@eecs.umich.edu enum RegNum 587205Sgblack@eecs.umich.edu { 597205Sgblack@eecs.umich.edu // r0 - r3 argument, temp, caller save 607205Sgblack@eecs.umich.edu // r4 - r10 callee save 617205Sgblack@eecs.umich.edu // r11 - FP 627205Sgblack@eecs.umich.edu // r12 - temp 637205Sgblack@eecs.umich.edu // r13 - stack 647205Sgblack@eecs.umich.edu // r14 - link 657205Sgblack@eecs.umich.edu // r15 - pc 667720Sgblack@eecs.umich.edu R0, R1, R2, R3, R4, R5, R6, R7, 677720Sgblack@eecs.umich.edu R8, R9, R10, FP, R12, SP, LR, PC, 687720Sgblack@eecs.umich.edu CPSR, 697720Sgblack@eecs.umich.edu numregs 707720Sgblack@eecs.umich.edu }; 717720Sgblack@eecs.umich.edu private: 727720Sgblack@eecs.umich.edu char printBuffer[256]; 737720Sgblack@eecs.umich.edu static const char *regNames[numregs]; 747720Sgblack@eecs.umich.edu uint32_t getRegs(user_regs& myregs, int num); 757720Sgblack@eecs.umich.edu user_regs regs; 767720Sgblack@eecs.umich.edu user_regs oldregs; 777720Sgblack@eecs.umich.edu bool regDiffSinceUpdate[numregs]; 787720Sgblack@eecs.umich.edu bool foundMvn; 797720Sgblack@eecs.umich.edu 807720Sgblack@eecs.umich.edu protected: 817720Sgblack@eecs.umich.edu bool update(int pid); 827720Sgblack@eecs.umich.edu 837720Sgblack@eecs.umich.edu public: 847720Sgblack@eecs.umich.edu ARMTraceChild(); 857720Sgblack@eecs.umich.edu bool sendState(int socket); 867291Sgblack@eecs.umich.edu 877720Sgblack@eecs.umich.edu int getNumRegs() 887291Sgblack@eecs.umich.edu { 897291Sgblack@eecs.umich.edu return numregs; 907291Sgblack@eecs.umich.edu } 917291Sgblack@eecs.umich.edu 927291Sgblack@eecs.umich.edu bool diffSinceUpdate(int num) 937291Sgblack@eecs.umich.edu { 947291Sgblack@eecs.umich.edu assert(num < numregs && num >= 0); 957291Sgblack@eecs.umich.edu return regDiffSinceUpdate[num]; 967291Sgblack@eecs.umich.edu } 977291Sgblack@eecs.umich.edu 987291Sgblack@eecs.umich.edu std::string getRegName(int num) 997291Sgblack@eecs.umich.edu { 1008140SMatt.Horsnell@arm.com assert(num < numregs && num >= 0); 1018140SMatt.Horsnell@arm.com return regNames[num]; 1027646Sgene.wu@arm.com } 1037646Sgene.wu@arm.com 1047291Sgblack@eecs.umich.edu int64_t getRegVal(int num); 1057291Sgblack@eecs.umich.edu int64_t getOldRegVal(int num); 1067291Sgblack@eecs.umich.edu 1077720Sgblack@eecs.umich.edu bool step(); 1088140SMatt.Horsnell@arm.com 1098140SMatt.Horsnell@arm.com uint64_t getPC() 1108140SMatt.Horsnell@arm.com { 1118140SMatt.Horsnell@arm.com return getRegVal(PC); 1127291Sgblack@eecs.umich.edu } 1137291Sgblack@eecs.umich.edu 1147646Sgene.wu@arm.com uint64_t getSP() 1157646Sgene.wu@arm.com { 1167646Sgene.wu@arm.com return getRegVal(SP); 1177747SAli.Saidi@ARM.com } 1187646Sgene.wu@arm.com 1197646Sgene.wu@arm.com char * printReg(int num); 1207646Sgene.wu@arm.com 1217720Sgblack@eecs.umich.edu std::ostream & outputStartState(std::ostream & os); 1227646Sgene.wu@arm.com 1237646Sgene.wu@arm.com}; 1247646Sgene.wu@arm.com 1257646Sgene.wu@arm.com#endif 1267646Sgene.wu@arm.com 1277291Sgblack@eecs.umich.edu