7c642b7106
arch/alpha/faults.hh:
kern/linux/linux.hh:
Added typedef for Addr
kern/tru64/tru64.hh:
Fixed up namespaces
--HG--
extra : convert_revision : bf968e615bc0acc96abeb0eec0872f5b02b5a065
344 lines
12 KiB
C++
344 lines
12 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef __LINUX_HH__
|
|
#define __LINUX_HH__
|
|
#include "config/full_system.hh"
|
|
|
|
#if FULL_SYSTEM
|
|
|
|
class Linux {};
|
|
|
|
#else //!FULL_SYSTEM
|
|
|
|
#include <dirent.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h> // for host open() flags
|
|
#include <string.h> // for memset()
|
|
#include <sys/stat.h>
|
|
#include <sys/types.h>
|
|
#include <unistd.h>
|
|
|
|
#include "sim/syscall_emul.hh"
|
|
|
|
///
|
|
/// This class encapsulates the types, structures, constants,
|
|
/// functions, and syscall-number mappings specific to the Alpha Linux
|
|
/// syscall interface.
|
|
///
|
|
class Linux {
|
|
|
|
protected:
|
|
typedef TheISA::Addr Addr;
|
|
|
|
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;
|
|
//@}
|
|
|
|
#if BSD_HOST
|
|
typedef struct stat hst_stat;
|
|
typedef struct stat hst_stat64;
|
|
#else
|
|
typedef struct stat hst_stat ;
|
|
typedef struct stat64 hst_stat64;
|
|
#endif
|
|
|
|
|
|
//@{
|
|
/// open(2) flag values.
|
|
static const int TGT_O_RDONLY = 00000000; //!< O_RDONLY
|
|
static const int TGT_O_WRONLY = 00000001; //!< O_WRONLY
|
|
static const int TGT_O_RDWR = 00000002; //!< O_RDWR
|
|
static const int TGT_O_NONBLOCK = 00000004; //!< O_NONBLOCK
|
|
static const int TGT_O_APPEND = 00000010; //!< O_APPEND
|
|
static const int TGT_O_CREAT = 00001000; //!< O_CREAT
|
|
static const int TGT_O_TRUNC = 00002000; //!< O_TRUNC
|
|
static const int TGT_O_EXCL = 00004000; //!< O_EXCL
|
|
static const int TGT_O_NOCTTY = 00010000; //!< O_NOCTTY
|
|
static const int TGT_O_SYNC = 00040000; //!< O_SYNC
|
|
static const int TGT_O_DRD = 00100000; //!< O_DRD
|
|
static const int TGT_O_DIRECTIO = 00200000; //!< O_DIRECTIO
|
|
static const int TGT_O_CACHE = 00400000; //!< O_CACHE
|
|
static const int TGT_O_DSYNC = 02000000; //!< O_DSYNC
|
|
static const int TGT_O_RSYNC = 04000000; //!< O_RSYNC
|
|
//@}
|
|
|
|
/// This table maps the target open() flags to the corresponding
|
|
/// host open() flags.
|
|
static OpenFlagTransTable openFlagTable[];
|
|
|
|
/// Number of entries in openFlagTable[].
|
|
static const int NUM_OPEN_FLAGS;
|
|
|
|
/// Stat buffer. Note that we can't call it 'stat' since that
|
|
/// gets #defined to something else on some systems.
|
|
struct tgt_stat {
|
|
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
|
|
};
|
|
|
|
// same for stat64
|
|
struct tgt_stat64 {
|
|
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 tgt_st_atime;
|
|
uint64_t st_atime_nsec;
|
|
uint64_t tgt_st_mtime;
|
|
uint64_t st_mtime_nsec;
|
|
uint64_t tgt_st_ctime;
|
|
uint64_t st_ctime_nsec;
|
|
int64_t ___unused[3];
|
|
};
|
|
|
|
/// 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.
|
|
};
|
|
|
|
|
|
//@{
|
|
/// ioctl() command codes.
|
|
static const unsigned TIOCGETP = 0x40067408;
|
|
static const unsigned TIOCSETP = 0x80067409;
|
|
static const unsigned TIOCSETN = 0x8006740a;
|
|
static const unsigned TIOCSETC = 0x80067411;
|
|
static const unsigned TIOCGETC = 0x40067412;
|
|
static const unsigned FIONREAD = 0x4004667f;
|
|
static const unsigned TIOCISATTY = 0x2000745e;
|
|
static const unsigned TIOCGETS = 0x402c7413;
|
|
static const unsigned TIOCGETA = 0x40127417;
|
|
//@}
|
|
|
|
/// Resource enumeration for getrlimit().
|
|
enum rlimit_resources {
|
|
TGT_RLIMIT_CPU = 0,
|
|
TGT_RLIMIT_FSIZE = 1,
|
|
TGT_RLIMIT_DATA = 2,
|
|
TGT_RLIMIT_STACK = 3,
|
|
TGT_RLIMIT_CORE = 4,
|
|
TGT_RLIMIT_RSS = 5,
|
|
TGT_RLIMIT_NOFILE = 6,
|
|
TGT_RLIMIT_AS = 7,
|
|
TGT_RLIMIT_VMEM = 7,
|
|
TGT_RLIMIT_NPROC = 8,
|
|
TGT_RLIMIT_MEMLOCK = 9,
|
|
TGT_RLIMIT_LOCKS = 10
|
|
};
|
|
|
|
/// Limit struct for getrlimit/setrlimit.
|
|
struct rlimit {
|
|
uint64_t rlim_cur; //!< soft limit
|
|
uint64_t rlim_max; //!< hard limit
|
|
};
|
|
|
|
|
|
/// For mmap().
|
|
static const unsigned TGT_MAP_ANONYMOUS = 0x10;
|
|
|
|
/// 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().
|
|
static const int TGT_RUSAGE_SELF = 0;
|
|
static const int TGT_RUSAGE_CHILDREN = -1;
|
|
static const int TGT_RUSAGE_BOTH = -2;
|
|
//@}
|
|
|
|
/// 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 "
|
|
};
|
|
|
|
/// Helper function to convert a host stat buffer to a target stat
|
|
/// buffer. Also copies the target buffer out to the simulated
|
|
/// memory space. Used by stat(), fstat(), and lstat().
|
|
#if !BSD_HOST
|
|
static void
|
|
copyOutStatBuf(FunctionalMemory *mem, Addr addr, hst_stat *host)
|
|
{
|
|
TypedBufferArg<Linux::tgt_stat> tgt(addr);
|
|
|
|
tgt->st_dev = htog(host->st_dev);
|
|
tgt->st_ino = htog(host->st_ino);
|
|
tgt->st_mode = htog(host->st_mode);
|
|
tgt->st_nlink = htog(host->st_nlink);
|
|
tgt->st_uid = htog(host->st_uid);
|
|
tgt->st_gid = htog(host->st_gid);
|
|
tgt->st_rdev = htog(host->st_rdev);
|
|
tgt->st_size = htog(host->st_size);
|
|
tgt->st_atimeX = htog(host->st_atime);
|
|
tgt->st_mtimeX = htog(host->st_mtime);
|
|
tgt->st_ctimeX = htog(host->st_ctime);
|
|
tgt->st_blksize = htog(host->st_blksize);
|
|
tgt->st_blocks = htog(host->st_blocks);
|
|
|
|
tgt.copyOut(mem);
|
|
}
|
|
#else
|
|
// Third version for bsd systems which no longer have any support for
|
|
// the old stat() call and stat() is actually a stat64()
|
|
static void
|
|
copyOutStatBuf(FunctionalMemory *mem, Addr addr, hst_stat64 *host)
|
|
{
|
|
TypedBufferArg<Linux::tgt_stat> tgt(addr);
|
|
|
|
tgt->st_dev = htog(host->st_dev);
|
|
tgt->st_ino = htog(host->st_ino);
|
|
tgt->st_mode = htog(host->st_mode);
|
|
tgt->st_nlink = htog(host->st_nlink);
|
|
tgt->st_uid = htog(host->st_uid);
|
|
tgt->st_gid = htog(host->st_gid);
|
|
tgt->st_rdev = htog(host->st_rdev);
|
|
tgt->st_size = htog(host->st_size);
|
|
tgt->st_atimeX = htog(host->st_atime);
|
|
tgt->st_mtimeX = htog(host->st_mtime);
|
|
tgt->st_ctimeX = htog(host->st_ctime);
|
|
tgt->st_blksize = htog(host->st_blksize);
|
|
tgt->st_blocks = htog(host->st_blocks);
|
|
|
|
tgt.copyOut(mem);
|
|
}
|
|
#endif
|
|
|
|
|
|
// Same for stat64
|
|
static void
|
|
copyOutStat64Buf(FunctionalMemory *mem, int fd, Addr addr, hst_stat64 *host)
|
|
{
|
|
TypedBufferArg<Linux::tgt_stat64> tgt(addr);
|
|
|
|
// fd == 1 checks are because libc does some checks
|
|
// that the stdout is interactive vs. a file
|
|
// this makes it work on non-linux systems
|
|
if (fd == 1)
|
|
tgt->st_dev = htog((uint64_t)0xA);
|
|
else
|
|
tgt->st_dev = htog((uint64_t)host->st_dev);
|
|
// XXX What about STAT64_HAS_BROKEN_ST_INO ???
|
|
tgt->st_ino = htog((uint64_t)host->st_ino);
|
|
if (fd == 1)
|
|
tgt->st_rdev = htog((uint64_t)0x880d);
|
|
else
|
|
tgt->st_rdev = htog((uint64_t)host->st_rdev);
|
|
tgt->st_size = htog((int64_t)host->st_size);
|
|
tgt->st_blocks = htog((uint64_t)host->st_blocks);
|
|
|
|
if (fd == 1)
|
|
tgt->st_mode = htog((uint32_t)0x2190);
|
|
else
|
|
tgt->st_mode = htog((uint32_t)host->st_mode);
|
|
tgt->st_uid = htog((uint32_t)host->st_uid);
|
|
tgt->st_gid = htog((uint32_t)host->st_gid);
|
|
tgt->st_blksize = htog((uint32_t)host->st_blksize);
|
|
tgt->st_nlink = htog((uint32_t)host->st_nlink);
|
|
tgt->tgt_st_atime = htog((uint64_t)host->st_atime);
|
|
tgt->tgt_st_mtime = htog((uint64_t)host->st_mtime);
|
|
tgt->tgt_st_ctime = htog((uint64_t)host->st_ctime);
|
|
#if defined(STAT_HAVE_NSEC)
|
|
tgt->st_atime_nsec = htog(host->st_atime_nsec);
|
|
tgt->st_mtime_nsec = htog(host->st_mtime_nsec);
|
|
tgt->st_ctime_nsec = htog(host->st_ctime_nsec);
|
|
#else
|
|
tgt->st_atime_nsec = 0;
|
|
tgt->st_mtime_nsec = 0;
|
|
tgt->st_ctime_nsec = 0;
|
|
#endif
|
|
|
|
tgt.copyOut(mem);
|
|
}
|
|
|
|
}; // class Linux
|
|
|
|
|
|
#endif // FULL_SYSTEM
|
|
|
|
#endif // __LINUX_HH__
|