| /* |
| * Copyright (c) 2006-2007 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef TRACECHILD_SPARC_HH |
| #define TRACECHILD_SPARC_HH |
| |
| #include <asm-sparc64/reg.h> |
| #include <sys/ptrace.h> |
| #include <sys/types.h> |
| #include <stdint.h> |
| |
| #include <cassert> |
| #include <ostream> |
| #include <string> |
| |
| #include "base/tracechild.hh" |
| |
| struct regs; |
| |
| class SparcTraceChild : public TraceChild |
| { |
| public: |
| enum RegNum |
| { |
| //Global registers |
| G0, G1, G2, G3, G4, G5, G6, G7, |
| //Output registers |
| O0, O1, O2, O3, O4, O5, O6, O7, |
| //Local registers |
| L0, L1, L2, L3, L4, L5, L6, L7, |
| //Input registers |
| I0, I1, I2, I3, I4, I5, I6, I7, |
| //Floating point |
| F0, F2, F4, F6, F8, F10, F12, F14, |
| F16, F18, F20, F22, F24, F26, F28, F30, |
| F32, F34, F36, F38, F40, F42, F44, F46, |
| F48, F50, F52, F54, F56, F58, F60, F62, |
| //Miscelaneous |
| FSR, FPRS, PC, NPC, Y, CWP, PSTATE, ASI, CCR, |
| numregs |
| }; |
| private: |
| regs theregs; |
| regs oldregs; |
| fpu thefpregs; |
| fpu oldfpregs; |
| uint64_t locals[8]; |
| uint64_t oldLocals[8]; |
| uint64_t inputs[8]; |
| uint64_t oldInputs[8]; |
| bool regDiffSinceUpdate[numregs]; |
| |
| //This calculates where the pc might go after the current instruction. |
| //while this equals npc for most instructions, it doesn't for all of |
| //them. The return value is the number of actual potential targets. |
| int getTargets(uint32_t inst, uint64_t pc, uint64_t npc, |
| uint64_t &target1, uint64_t &target2); |
| |
| protected: |
| bool update(int pid); |
| |
| public: |
| SparcTraceChild(); |
| |
| bool sendState(int socket); |
| |
| int64_t getRegVal(int num); |
| |
| int64_t getOldRegVal(int num); |
| |
| bool step(); |
| |
| uint64_t |
| getPC() |
| { |
| return getRegVal(PC); |
| } |
| |
| uint64_t |
| getSP() |
| { |
| return getRegVal(O6); |
| } |
| |
| std::ostream & outputStartState(std::ostream & os); |
| }; |
| |
| #endif |