process.hh revision 5958:2d9737bf3c2f
1/* 2 * Copyright (c) 2003-2004 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * Authors: Steve Reinhardt 29 */ 30 31#ifndef __SPARC_LINUX_PROCESS_HH__ 32#define __SPARC_LINUX_PROCESS_HH__ 33 34#include "arch/sparc/linux/linux.hh" 35#include "arch/sparc/process.hh" 36#include "sim/process.hh" 37 38namespace SparcISA { 39 40//This contains all of the common elements of a SPARC Linux process which 41//are not shared by other operating systems. The rest come from the common 42//SPARC process class. 43class SparcLinuxProcess 44{ 45 public: 46 SparcLinuxProcess(); 47 48 /// Array of syscall descriptors, indexed by call number. 49 static SyscallDesc syscallDescs[]; 50 51 /// Array of 32 bit compatibility syscall descriptors, 52 /// indexed by call number. 53 static SyscallDesc syscall32Descs[]; 54 55 SyscallDesc* getDesc(int callnum); 56 SyscallDesc* getDesc32(int callnum); 57 58 const int Num_Syscall_Descs; 59 const int Num_Syscall32_Descs; 60}; 61 62/// A process with emulated SPARC/Linux syscalls. 63class Sparc32LinuxProcess : public SparcLinuxProcess, public Sparc32LiveProcess 64{ 65 public: 66 /// Constructor. 67 Sparc32LinuxProcess(LiveProcessParams * params, ObjectFile *objFile); 68 69 SyscallDesc* getDesc(int callnum) 70 { 71 return SparcLinuxProcess::getDesc32(callnum); 72 } 73 74 void handleTrap(int trapNum, ThreadContext *tc); 75}; 76 77/// A process with emulated 32 bit SPARC/Linux syscalls. 78class Sparc64LinuxProcess : public SparcLinuxProcess, public Sparc64LiveProcess 79{ 80 public: 81 /// Constructor. 82 Sparc64LinuxProcess(LiveProcessParams * params, ObjectFile *objFile); 83 84 SyscallDesc* getDesc(int callnum) 85 { 86 return SparcLinuxProcess::getDesc(callnum); 87 } 88 89 void handleTrap(int trapNum, ThreadContext *tc); 90}; 91 92SyscallReturn getresuidFunc(SyscallDesc *desc, int num, 93 LiveProcess *p, ThreadContext *tc); 94 95} // namespace SparcISA 96#endif // __SPARC_LINUX_PROCESS_HH__ 97