process.hh revision 5154
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/syscallreturn.hh" 36#include "arch/sparc/process.hh" 37#include "sim/process.hh" 38 39namespace SparcISA { 40 41//This contains all of the common elements of a SPARC Linux process which 42//are not shared by other operating systems. The rest come from the common 43//SPARC process class. 44class SparcLinuxProcess 45{ 46 public: 47 SparcLinuxProcess(); 48 49 /// Array of syscall descriptors, indexed by call number. 50 static SyscallDesc syscallDescs[]; 51 52 /// Array of 32 bit compatibility syscall descriptors, 53 /// indexed by call number. 54 static SyscallDesc syscall32Descs[]; 55 56 SyscallDesc* getDesc(int callnum); 57 SyscallDesc* getDesc32(int callnum); 58 59 const int Num_Syscall_Descs; 60 const int Num_Syscall32_Descs; 61}; 62 63/// A process with emulated SPARC/Linux syscalls. 64class Sparc32LinuxProcess : public SparcLinuxProcess, public Sparc32LiveProcess 65{ 66 public: 67 /// Constructor. 68 Sparc32LinuxProcess(LiveProcessParams * params, ObjectFile *objFile); 69 70 SyscallDesc* getDesc(int callnum) 71 { 72 return SparcLinuxProcess::getDesc32(callnum); 73 } 74 75 void handleTrap(int trapNum, ThreadContext *tc); 76}; 77 78/// A process with emulated 32 bit SPARC/Linux syscalls. 79class Sparc64LinuxProcess : public SparcLinuxProcess, public Sparc64LiveProcess 80{ 81 public: 82 /// Constructor. 83 Sparc64LinuxProcess(LiveProcessParams * params, ObjectFile *objFile); 84 85 SyscallDesc* getDesc(int callnum) 86 { 87 return SparcLinuxProcess::getDesc(callnum); 88 } 89 90 void handleTrap(int trapNum, ThreadContext *tc); 91}; 92 93SyscallReturn getresuidFunc(SyscallDesc *desc, int num, 94 LiveProcess *p, ThreadContext *tc); 95 96} // namespace SparcISA 97#endif // __SPARC_LINUX_PROCESS_HH__ 98