| /* |
| * Copyright (c) 2004-2005 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Ali Saidi |
| */ |
| |
| #ifndef __LINUX_HH__ |
| #define __LINUX_HH__ |
| #include "config/full_system.hh" |
| |
| #if FULL_SYSTEM |
| |
| class Linux {}; |
| |
| #else //!FULL_SYSTEM |
| |
| #include <inttypes.h> |
| |
| #include "kern/operatingsystem.hh" |
| |
| /// |
| /// This class encapsulates the types, structures, constants, |
| /// functions, and syscall-number mappings specific to the Alpha Linux |
| /// syscall interface. |
| /// |
| class Linux : public OperatingSystem |
| { |
| |
| public: |
| |
| //@{ |
| /// Basic Linux types. |
| typedef uint64_t size_t; |
| typedef uint64_t off_t; |
| typedef int64_t time_t; |
| typedef uint32_t uid_t; |
| typedef uint32_t gid_t; |
| //@} |
| |
| /// Stat buffer. Note that we can't call it 'stat' since that |
| /// gets #defined to something else on some systems. This type |
| /// can be specialized by architecture specific "Linux" classes |
| typedef struct { |
| uint32_t st_dev; //!< device |
| uint32_t st_ino; //!< inode |
| uint32_t st_mode; //!< mode |
| uint32_t st_nlink; //!< link count |
| uint32_t st_uid; //!< owner's user ID |
| uint32_t st_gid; //!< owner's group ID |
| uint32_t st_rdev; //!< device number |
| int32_t _pad1; //!< for alignment |
| int64_t st_size; //!< file size in bytes |
| uint64_t st_atimeX; //!< time of last access |
| uint64_t st_mtimeX; //!< time of last modification |
| uint64_t st_ctimeX; //!< time of last status change |
| uint32_t st_blksize; //!< optimal I/O block size |
| int32_t st_blocks; //!< number of blocks allocated |
| uint32_t st_flags; //!< flags |
| uint32_t st_gen; //!< unknown |
| } tgt_stat; |
| |
| // same for stat64 |
| typedef struct { |
| uint64_t st_dev; |
| uint64_t st_ino; |
| uint64_t st_rdev; |
| int64_t st_size; |
| uint64_t st_blocks; |
| |
| uint32_t st_mode; |
| uint32_t st_uid; |
| uint32_t st_gid; |
| uint32_t st_blksize; |
| uint32_t st_nlink; |
| uint32_t __pad0; |
| |
| uint64_t st_atimeX; |
| uint64_t st_atime_nsec; |
| uint64_t st_mtimeX; |
| uint64_t st_mtime_nsec; |
| uint64_t st_ctimeX; |
| uint64_t st_ctime_nsec; |
| int64_t ___unused[3]; |
| } tgt_stat64; |
| |
| /// Length of strings in struct utsname (plus 1 for null char). |
| static const int _SYS_NMLN = 65; |
| |
| /// Interface struct for uname(). |
| struct utsname { |
| char sysname[_SYS_NMLN]; //!< System name. |
| char nodename[_SYS_NMLN]; //!< Node name. |
| char release[_SYS_NMLN]; //!< OS release. |
| char version[_SYS_NMLN]; //!< OS version. |
| char machine[_SYS_NMLN]; //!< Machine type. |
| }; |
| |
| /// Limit struct for getrlimit/setrlimit. |
| struct rlimit { |
| uint64_t rlim_cur; //!< soft limit |
| uint64_t rlim_max; //!< hard limit |
| }; |
| |
| /// For gettimeofday(). |
| struct timeval { |
| int64_t tv_sec; //!< seconds |
| int64_t tv_usec; //!< microseconds |
| }; |
| |
| // For writev/readv |
| struct tgt_iovec { |
| uint64_t iov_base; // void * |
| uint64_t iov_len; |
| }; |
| |
| |
| /// For getrusage(). |
| struct rusage { |
| struct timeval ru_utime; //!< user time used |
| struct timeval ru_stime; //!< system time used |
| int64_t ru_maxrss; //!< max rss |
| int64_t ru_ixrss; //!< integral shared memory size |
| int64_t ru_idrss; //!< integral unshared data " |
| int64_t ru_isrss; //!< integral unshared stack " |
| int64_t ru_minflt; //!< page reclaims - total vmfaults |
| int64_t ru_majflt; //!< page faults |
| int64_t ru_nswap; //!< swaps |
| int64_t ru_inblock; //!< block input operations |
| int64_t ru_oublock; //!< block output operations |
| int64_t ru_msgsnd; //!< messages sent |
| int64_t ru_msgrcv; //!< messages received |
| int64_t ru_nsignals; //!< signals received |
| int64_t ru_nvcsw; //!< voluntary context switches |
| int64_t ru_nivcsw; //!< involuntary " |
| }; |
| |
| }; // class Linux |
| |
| |
| #endif // FULL_SYSTEM |
| |
| #endif // __LINUX_HH__ |