process.cc revision 4166:ecebe3ac19b4
1/* 2 * Copyright (c) 2007 The Hewlett-Packard Development Company 3 * All rights reserved. 4 * 5 * Redistribution and use of this software in source and binary forms, 6 * with or without modification, are permitted provided that the 7 * following conditions are met: 8 * 9 * The software must be used only for Non-Commercial Use which means any 10 * use which is NOT directed to receiving any direct monetary 11 * compensation for, or commercial advantage from such use. Illustrative 12 * examples of non-commercial use are academic research, personal study, 13 * teaching, education and corporate research & development. 14 * Illustrative examples of commercial use are distributing products for 15 * commercial advantage and providing services using the software for 16 * commercial advantage. 17 * 18 * If you wish to use this software or functionality therein that may be 19 * covered by patents for commercial use, please contact: 20 * Director of Intellectual Property Licensing 21 * Office of Strategy and Technology 22 * Hewlett-Packard Company 23 * 1501 Page Mill Road 24 * Palo Alto, California 94304 25 * 26 * Redistributions of source code must retain the above copyright notice, 27 * this list of conditions and the following disclaimer. Redistributions 28 * in binary form must reproduce the above copyright notice, this list of 29 * conditions and the following disclaimer in the documentation and/or 30 * other materials provided with the distribution. Neither the name of 31 * the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 32 * contributors may be used to endorse or promote products derived from 33 * this software without specific prior written permission. No right of 34 * sublicense is granted herewith. Derivatives of the software and 35 * output created using the software may be prepared, but only for 36 * Non-Commercial Uses. Derivatives of the software may be shared with 37 * others provided: (i) the others agree to abide by the list of 38 * conditions herein which includes the Non-Commercial Use restrictions; 39 * and (ii) such Derivatives of the software include the above copyright 40 * notice to acknowledge the contribution from this software where 41 * applicable, this list of conditions and the disclaimer below. 42 * 43 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 44 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 45 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 46 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 47 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 48 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 49 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 50 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 51 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 52 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 53 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 54 * 55 * Authors: Gabe Black 56 */ 57 58#include "arch/x86/isa_traits.hh" 59#include "arch/x86/linux/process.hh" 60#include "arch/x86/regfile.hh" 61 62#include "base/trace.hh" 63#include "cpu/thread_context.hh" 64#include "kern/linux/linux.hh" 65 66#include "sim/process.hh" 67#include "sim/syscall_emul.hh" 68 69using namespace std; 70using namespace X86ISA; 71 72SyscallDesc* 73X86LinuxProcess::getDesc(int callnum) 74{ 75 if (callnum < 0 || callnum > Num_Syscall_Descs) 76 return NULL; 77 return &syscallDescs[callnum]; 78} 79 80X86LinuxProcess::X86LinuxProcess(const std::string &name, 81 ObjectFile *objFile, 82 System * system, 83 int stdin_fd, 84 int stdout_fd, 85 int stderr_fd, 86 std::vector<std::string> &argv, 87 std::vector<std::string> &envp, 88 const std::string &cwd, 89 uint64_t _uid, uint64_t _euid, 90 uint64_t _gid, uint64_t _egid, 91 uint64_t _pid, uint64_t _ppid) 92 : X86LiveProcess(name, objFile, system, 93 stdin_fd, stdout_fd, stderr_fd, argv, envp, cwd, 94 _uid, _euid, _gid, _egid, _pid, _ppid), 95 Num_Syscall_Descs(273) 96{} 97 98void X86LinuxProcess::handleTrap(int trapNum, ThreadContext *tc) 99{ 100 switch(trapNum) 101 { 102 //This implementation is from SPARC 103 case 0x10: //Linux 32 bit syscall trap 104 tc->syscall(tc->readIntReg(1)); 105 break; 106 default: 107 X86LiveProcess::handleTrap(trapNum, tc); 108 } 109} 110