linux.hh revision 6684
1451SN/A/* 25795Ssaidi@eecs.umich.edu * Copyright (c) 2004-2009 The Regents of The University of Michigan 3451SN/A * All rights reserved. 4451SN/A * 5451SN/A * Redistribution and use in source and binary forms, with or without 6451SN/A * modification, are permitted provided that the following conditions are 7451SN/A * met: redistributions of source code must retain the above copyright 8451SN/A * notice, this list of conditions and the following disclaimer; 9451SN/A * redistributions in binary form must reproduce the above copyright 10451SN/A * notice, this list of conditions and the following disclaimer in the 11451SN/A * documentation and/or other materials provided with the distribution; 12451SN/A * neither the name of the copyright holders nor the names of its 13451SN/A * contributors may be used to endorse or promote products derived from 14451SN/A * this software without specific prior written permission. 15451SN/A * 16451SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17451SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18451SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19451SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20451SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21451SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22451SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23451SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24451SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25451SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26451SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665Ssaidi@eecs.umich.edu * 282665Ssaidi@eecs.umich.edu * Authors: Ali Saidi 29451SN/A */ 30451SN/A 31451SN/A#ifndef __LINUX_HH__ 32451SN/A#define __LINUX_HH__ 336215Snate@binkert.org 346215Snate@binkert.org#include "base/types.hh" 352093SN/A#include "config/full_system.hh" 362093SN/A 372093SN/A#if FULL_SYSTEM 38451SN/A 39451SN/Aclass Linux {}; 40451SN/A 412093SN/A#else //!FULL_SYSTEM 422093SN/A 435795Ssaidi@eecs.umich.edu#include <string> 442093SN/A 453113Sgblack@eecs.umich.edu#include "kern/operatingsystem.hh" 462423SN/A 475795Ssaidi@eecs.umich.educlass ThreadContext; 485795Ssaidi@eecs.umich.educlass LiveProcess; 495795Ssaidi@eecs.umich.edu 502093SN/A/// 512093SN/A/// This class encapsulates the types, structures, constants, 522093SN/A/// functions, and syscall-number mappings specific to the Alpha Linux 532093SN/A/// syscall interface. 542093SN/A/// 553113Sgblack@eecs.umich.educlass Linux : public OperatingSystem 563113Sgblack@eecs.umich.edu{ 572093SN/A 582093SN/A public: 592093SN/A 602093SN/A //@{ 612093SN/A /// Basic Linux types. 623122Sgblack@eecs.umich.edu typedef uint64_t size_t; 632093SN/A typedef uint64_t off_t; 642093SN/A typedef int64_t time_t; 656684Stjones1@inf.ed.ac.uk typedef int64_t clock_t; 662093SN/A typedef uint32_t uid_t; 673122Sgblack@eecs.umich.edu typedef uint32_t gid_t; 682093SN/A //@} 692093SN/A 702093SN/A /// Stat buffer. Note that we can't call it 'stat' since that 713113Sgblack@eecs.umich.edu /// gets #defined to something else on some systems. This type 723113Sgblack@eecs.umich.edu /// can be specialized by architecture specific "Linux" classes 733113Sgblack@eecs.umich.edu typedef struct { 745543Ssaidi@eecs.umich.edu uint32_t st_dev; //!< device 755543Ssaidi@eecs.umich.edu uint32_t st_ino; //!< inode 765543Ssaidi@eecs.umich.edu uint32_t st_mode; //!< mode 775543Ssaidi@eecs.umich.edu uint32_t st_nlink; //!< link count 785543Ssaidi@eecs.umich.edu uint32_t st_uid; //!< owner's user ID 795543Ssaidi@eecs.umich.edu uint32_t st_gid; //!< owner's group ID 805543Ssaidi@eecs.umich.edu uint32_t st_rdev; //!< device number 815543Ssaidi@eecs.umich.edu int32_t _pad1; //!< for alignment 825543Ssaidi@eecs.umich.edu int64_t st_size; //!< file size in bytes 835543Ssaidi@eecs.umich.edu uint64_t st_atimeX; //!< time of last access 845543Ssaidi@eecs.umich.edu uint64_t st_mtimeX; //!< time of last modification 855543Ssaidi@eecs.umich.edu uint64_t st_ctimeX; //!< time of last status change 865543Ssaidi@eecs.umich.edu uint32_t st_blksize; //!< optimal I/O block size 875543Ssaidi@eecs.umich.edu int32_t st_blocks; //!< number of blocks allocated 885543Ssaidi@eecs.umich.edu uint32_t st_flags; //!< flags 895543Ssaidi@eecs.umich.edu uint32_t st_gen; //!< unknown 903113Sgblack@eecs.umich.edu } tgt_stat; 912093SN/A 922093SN/A // same for stat64 933113Sgblack@eecs.umich.edu typedef struct { 945543Ssaidi@eecs.umich.edu uint64_t st_dev; 955543Ssaidi@eecs.umich.edu uint64_t st_ino; 965543Ssaidi@eecs.umich.edu uint64_t st_rdev; 975543Ssaidi@eecs.umich.edu int64_t st_size; 985543Ssaidi@eecs.umich.edu uint64_t st_blocks; 992093SN/A 1005543Ssaidi@eecs.umich.edu uint32_t st_mode; 1015543Ssaidi@eecs.umich.edu uint32_t st_uid; 1025543Ssaidi@eecs.umich.edu uint32_t st_gid; 1035543Ssaidi@eecs.umich.edu uint32_t st_blksize; 1045543Ssaidi@eecs.umich.edu uint32_t st_nlink; 1055543Ssaidi@eecs.umich.edu uint32_t __pad0; 1062093SN/A 1075543Ssaidi@eecs.umich.edu uint64_t st_atimeX; 1085543Ssaidi@eecs.umich.edu uint64_t st_atime_nsec; 1095543Ssaidi@eecs.umich.edu uint64_t st_mtimeX; 1105543Ssaidi@eecs.umich.edu uint64_t st_mtime_nsec; 1115543Ssaidi@eecs.umich.edu uint64_t st_ctimeX; 1125543Ssaidi@eecs.umich.edu uint64_t st_ctime_nsec; 1135543Ssaidi@eecs.umich.edu int64_t ___unused[3]; 1143113Sgblack@eecs.umich.edu } tgt_stat64; 1152093SN/A 1162093SN/A /// Length of strings in struct utsname (plus 1 for null char). 1172093SN/A static const int _SYS_NMLN = 65; 1182093SN/A 1192093SN/A /// Interface struct for uname(). 1202093SN/A struct utsname { 1215543Ssaidi@eecs.umich.edu char sysname[_SYS_NMLN]; //!< System name. 1225543Ssaidi@eecs.umich.edu char nodename[_SYS_NMLN]; //!< Node name. 1235543Ssaidi@eecs.umich.edu char release[_SYS_NMLN]; //!< OS release. 1245543Ssaidi@eecs.umich.edu char version[_SYS_NMLN]; //!< OS version. 1255543Ssaidi@eecs.umich.edu char machine[_SYS_NMLN]; //!< Machine type. 1262093SN/A }; 1272093SN/A 1282093SN/A /// Limit struct for getrlimit/setrlimit. 1292093SN/A struct rlimit { 1305543Ssaidi@eecs.umich.edu uint64_t rlim_cur; //!< soft limit 1315543Ssaidi@eecs.umich.edu uint64_t rlim_max; //!< hard limit 1322093SN/A }; 1332093SN/A 1342093SN/A /// For gettimeofday(). 1352093SN/A struct timeval { 1365543Ssaidi@eecs.umich.edu int64_t tv_sec; //!< seconds 1375543Ssaidi@eecs.umich.edu int64_t tv_usec; //!< microseconds 1382093SN/A }; 1392093SN/A 1406683Stjones1@inf.ed.ac.uk /// Clock ticks per second, for times(). 1416683Stjones1@inf.ed.ac.uk static const int _SC_CLK_TCK = 100; 1426683Stjones1@inf.ed.ac.uk 1436683Stjones1@inf.ed.ac.uk /// For times(). 1446683Stjones1@inf.ed.ac.uk struct tms { 1456683Stjones1@inf.ed.ac.uk int64_t tms_utime; //!< user time 1466683Stjones1@inf.ed.ac.uk int64_t tms_stime; //!< system time 1476683Stjones1@inf.ed.ac.uk int64_t tms_cutime; //!< user time of children 1486683Stjones1@inf.ed.ac.uk int64_t tms_cstime; //!< system time of children 1496683Stjones1@inf.ed.ac.uk }; 1506683Stjones1@inf.ed.ac.uk 1512093SN/A // For writev/readv 1522093SN/A struct tgt_iovec { 1532093SN/A uint64_t iov_base; // void * 1542093SN/A uint64_t iov_len; 1552093SN/A }; 1562093SN/A 1572093SN/A 1582093SN/A /// For getrusage(). 1592093SN/A struct rusage { 1605543Ssaidi@eecs.umich.edu struct timeval ru_utime; //!< user time used 1615543Ssaidi@eecs.umich.edu struct timeval ru_stime; //!< system time used 1625543Ssaidi@eecs.umich.edu int64_t ru_maxrss; //!< max rss 1635543Ssaidi@eecs.umich.edu int64_t ru_ixrss; //!< integral shared memory size 1645543Ssaidi@eecs.umich.edu int64_t ru_idrss; //!< integral unshared data " 1655543Ssaidi@eecs.umich.edu int64_t ru_isrss; //!< integral unshared stack " 1665543Ssaidi@eecs.umich.edu int64_t ru_minflt; //!< page reclaims - total vmfaults 1675543Ssaidi@eecs.umich.edu int64_t ru_majflt; //!< page faults 1685543Ssaidi@eecs.umich.edu int64_t ru_nswap; //!< swaps 1695543Ssaidi@eecs.umich.edu int64_t ru_inblock; //!< block input operations 1705543Ssaidi@eecs.umich.edu int64_t ru_oublock; //!< block output operations 1715543Ssaidi@eecs.umich.edu int64_t ru_msgsnd; //!< messages sent 1725543Ssaidi@eecs.umich.edu int64_t ru_msgrcv; //!< messages received 1735543Ssaidi@eecs.umich.edu int64_t ru_nsignals; //!< signals received 1745543Ssaidi@eecs.umich.edu int64_t ru_nvcsw; //!< voluntary context switches 1755543Ssaidi@eecs.umich.edu int64_t ru_nivcsw; //!< involuntary " 1762093SN/A }; 1772093SN/A 1785795Ssaidi@eecs.umich.edu static int openSpecialFile(std::string path, LiveProcess *process, ThreadContext *tc); 1795795Ssaidi@eecs.umich.edu static std::string procMeminfo(LiveProcess *process, ThreadContext *tc); 1805795Ssaidi@eecs.umich.edu 1812093SN/A}; // class Linux 1822093SN/A 1832093SN/A 1842093SN/A#endif // FULL_SYSTEM 1852093SN/A 186451SN/A#endif // __LINUX_HH__ 187