1/* 2 * Copyright (c) 2004-2005 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: Gabe Black 29 */ 30 31#ifndef __KERN_OPERATINGSYSTEM_HH__ 32#define __KERN_OPERATINGSYSTEM_HH__ 33 34#include "base/types.hh" 35#include "config/full_system.hh" 36 37#if FULL_SYSTEM 38 39class OperatingSystem {}; 40 41#else //!FULL_SYSTEM 42#include <string> 43 44class LiveProcess; 45class ThreadContext; 46 47/// This struct is used to build an target-OS-dependent table that 48/// maps the target's open() flags to the host open() flags. 49struct OpenFlagTransTable { 50 int tgtFlag; //!< Target system flag value. 51 int hostFlag; //!< Corresponding host system flag value. 52}; 53 54 55/// 56/// This class encapsulates the types, structures, constants, 57/// functions, and syscall-number mappings specific to an operating system 58/// syscall interface. 59/// 60class OperatingSystem { 61 62 public: 63 64 /// Stat buffer. Note that we can't call it 'stat' since that 65 /// gets #defined to something else on some systems. This type 66 /// can be specialized by architecture specific "Linux" classes 67 typedef void tgt_stat; 68 69 // same for stat64 70 typedef void tgt_stat64; 71 72 /// Length of strings in struct utsname (plus 1 for null char). 73 static const int _SYS_NMLN = 65; 74 75 /// Interface struct for uname(). 76 typedef struct { 77 char sysname[_SYS_NMLN]; //!< System name. 78 char nodename[_SYS_NMLN]; //!< Node name. 79 char release[_SYS_NMLN]; //!< OS release. 80 char version[_SYS_NMLN]; //!< OS version. 81 char machine[_SYS_NMLN]; //!< Machine type. 82 } utsname; 83 84 /// Limit struct for getrlimit/setrlimit. 85 typedef struct { 86 uint64_t rlim_cur; //!< soft limit 87 uint64_t rlim_max; //!< hard limit 88 } rlimit; 89 90 /// For gettimeofday(). 91 typedef struct { 92 int64_t tv_sec; //!< seconds 93 int64_t tv_usec; //!< microseconds 94 } timeval; 95 96 // For writev/readv 97 typedef struct { 98 uint64_t iov_base; // void * 99 uint64_t iov_len; 100 } tgt_iovec; 101 102 103 /// For getrusage(). 104 typedef struct { 105 timeval ru_utime; //!< user time used 106 timeval ru_stime; //!< system time used 107 int64_t ru_maxrss; //!< max rss 108 int64_t ru_ixrss; //!< integral shared memory size 109 int64_t ru_idrss; //!< integral unshared data " 110 int64_t ru_isrss; //!< integral unshared stack " 111 int64_t ru_minflt; //!< page reclaims - total vmfaults 112 int64_t ru_majflt; //!< page faults 113 int64_t ru_nswap; //!< swaps 114 int64_t ru_inblock; //!< block input operations 115 int64_t ru_oublock; //!< block output operations 116 int64_t ru_msgsnd; //!< messages sent 117 int64_t ru_msgrcv; //!< messages received 118 int64_t ru_nsignals; //!< signals received 119 int64_t ru_nvcsw; //!< voluntary context switches 120 int64_t ru_nivcsw; //!< involuntary " 121 } rusage; 122 123 static int openSpecialFile(std::string path, LiveProcess *process, ThreadContext *tc); 124
| 1/* 2 * Copyright (c) 2004-2005 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: Gabe Black 29 */ 30 31#ifndef __KERN_OPERATINGSYSTEM_HH__ 32#define __KERN_OPERATINGSYSTEM_HH__ 33 34#include "base/types.hh" 35#include "config/full_system.hh" 36 37#if FULL_SYSTEM 38 39class OperatingSystem {}; 40 41#else //!FULL_SYSTEM 42#include <string> 43 44class LiveProcess; 45class ThreadContext; 46 47/// This struct is used to build an target-OS-dependent table that 48/// maps the target's open() flags to the host open() flags. 49struct OpenFlagTransTable { 50 int tgtFlag; //!< Target system flag value. 51 int hostFlag; //!< Corresponding host system flag value. 52}; 53 54 55/// 56/// This class encapsulates the types, structures, constants, 57/// functions, and syscall-number mappings specific to an operating system 58/// syscall interface. 59/// 60class OperatingSystem { 61 62 public: 63 64 /// Stat buffer. Note that we can't call it 'stat' since that 65 /// gets #defined to something else on some systems. This type 66 /// can be specialized by architecture specific "Linux" classes 67 typedef void tgt_stat; 68 69 // same for stat64 70 typedef void tgt_stat64; 71 72 /// Length of strings in struct utsname (plus 1 for null char). 73 static const int _SYS_NMLN = 65; 74 75 /// Interface struct for uname(). 76 typedef struct { 77 char sysname[_SYS_NMLN]; //!< System name. 78 char nodename[_SYS_NMLN]; //!< Node name. 79 char release[_SYS_NMLN]; //!< OS release. 80 char version[_SYS_NMLN]; //!< OS version. 81 char machine[_SYS_NMLN]; //!< Machine type. 82 } utsname; 83 84 /// Limit struct for getrlimit/setrlimit. 85 typedef struct { 86 uint64_t rlim_cur; //!< soft limit 87 uint64_t rlim_max; //!< hard limit 88 } rlimit; 89 90 /// For gettimeofday(). 91 typedef struct { 92 int64_t tv_sec; //!< seconds 93 int64_t tv_usec; //!< microseconds 94 } timeval; 95 96 // For writev/readv 97 typedef struct { 98 uint64_t iov_base; // void * 99 uint64_t iov_len; 100 } tgt_iovec; 101 102 103 /// For getrusage(). 104 typedef struct { 105 timeval ru_utime; //!< user time used 106 timeval ru_stime; //!< system time used 107 int64_t ru_maxrss; //!< max rss 108 int64_t ru_ixrss; //!< integral shared memory size 109 int64_t ru_idrss; //!< integral unshared data " 110 int64_t ru_isrss; //!< integral unshared stack " 111 int64_t ru_minflt; //!< page reclaims - total vmfaults 112 int64_t ru_majflt; //!< page faults 113 int64_t ru_nswap; //!< swaps 114 int64_t ru_inblock; //!< block input operations 115 int64_t ru_oublock; //!< block output operations 116 int64_t ru_msgsnd; //!< messages sent 117 int64_t ru_msgrcv; //!< messages received 118 int64_t ru_nsignals; //!< signals received 119 int64_t ru_nvcsw; //!< voluntary context switches 120 int64_t ru_nivcsw; //!< involuntary " 121 } rusage; 122 123 static int openSpecialFile(std::string path, LiveProcess *process, ThreadContext *tc); 124
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