{
public:
+ typedef struct {
+ uint32_t st_dev;
+ char __pad1[4];
+ uint64_t st_ino;
+ uint32_t st_mode;
+ uint16_t st_nlink;
+ uint32_t st_uid;
+ uint32_t st_gid;
+ uint32_t st_rdev;
+ char __pad2[4];
+ int64_t st_size;
+ int64_t st_atimeX;
+ int64_t st_mtimeX;
+ int64_t st_ctimeX;
+ int64_t st_blksize;
+ int64_t st_blocks;
+ uint64_t __unused4[2];
+ } tgt_stat;
+
static OpenFlagTransTable openFlagTable[];
static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY
#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 <inttypes.h>
-#include "arch/isa_traits.hh"
-#include "sim/syscall_emul.hh"
-
-class TranslatingPort;
+#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 {
+class Linux : public OperatingSystem
+{
public:
//@{
/// Basic Linux types.
- typedef uint64_t size_t;
+/* 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;
+ typedef uint32_t gid_t;*/
//@}
-#if NO_STAT64
- typedef struct stat hst_stat;
- typedef struct stat hst_stat64;
-#else
- typedef struct stat hst_stat ;
- typedef struct stat64 hst_stat64;
-#endif
-
/// Stat buffer. Note that we can't call it 'stat' since that
- /// gets #defined to something else on some systems.
- struct tgt_stat {
+ /// 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
int32_t st_blocks; //!< number of blocks allocated
uint32_t st_flags; //!< flags
uint32_t st_gen; //!< unknown
- };
+ } tgt_stat;
// same for stat64
- struct tgt_stat64 {
+ typedef struct {
uint64_t st_dev;
uint64_t st_ino;
uint64_t st_rdev;
uint32_t st_nlink;
uint32_t __pad0;
- uint64_t tgt_st_atime;
+ uint64_t st_atimeX;
uint64_t st_atime_nsec;
- uint64_t tgt_st_mtime;
+ uint64_t st_mtimeX;
uint64_t st_mtime_nsec;
- uint64_t tgt_st_ctime;
+ 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;
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 !NO_STAT64
- static void
- copyOutStatBuf(TranslatingPort *mem, Addr addr, hst_stat *host)
- {
- using namespace TheISA;
-
- 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(TranslatingPort *mem, Addr addr, hst_stat64 *host)
- {
- using namespace TheISA;
-
- 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(TranslatingPort *mem, int fd, Addr addr, hst_stat64 *host)
- {
- using namespace TheISA;
-
- 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
--- /dev/null
+/*
+ * 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: Gabe Black
+ */
+
+#ifndef __KERN_OPERATINGSYSTEM_HH__
+#define __KERN_OPERATINGSYSTEM_HH__
+
+#include "config/full_system.hh"
+
+#include <inttypes.h>
+
+#if FULL_SYSTEM
+
+class OperatingSystem {};
+
+#else //!FULL_SYSTEM
+
+/// This struct is used to build an target-OS-dependent table that
+/// maps the target's open() flags to the host open() flags.
+struct OpenFlagTransTable {
+ int tgtFlag; //!< Target system flag value.
+ int hostFlag; //!< Corresponding host system flag value.
+};
+
+
+///
+/// This class encapsulates the types, structures, constants,
+/// functions, and syscall-number mappings specific to an operating system
+/// syscall interface.
+///
+class OperatingSystem {
+
+ public:
+
+ /// 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 void tgt_stat;
+
+ // same for stat64
+ typedef void tgt_stat64;
+
+ /// Length of strings in struct utsname (plus 1 for null char).
+ static const int _SYS_NMLN = 65;
+
+ /// Interface struct for uname().
+ typedef struct {
+ 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.
+ } utsname;
+
+ /// Limit struct for getrlimit/setrlimit.
+ typedef struct {
+ uint64_t rlim_cur; //!< soft limit
+ uint64_t rlim_max; //!< hard limit
+ } rlimit;
+
+ /// For gettimeofday().
+ typedef struct {
+ int64_t tv_sec; //!< seconds
+ int64_t tv_usec; //!< microseconds
+ } timeval;
+
+ // For writev/readv
+ typedef struct {
+ uint64_t iov_base; // void *
+ uint64_t iov_len;
+ } tgt_iovec;
+
+
+ /// For getrusage().
+ typedef struct {
+ timeval ru_utime; //!< user time used
+ 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 "
+ } rusage;
+
+}; // class OperatingSystem
+
+
+#endif // FULL_SYSTEM
+
+#endif // __OPERATINGSYSTEM_HH__
#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 <inttypes.h>
-#include "arch/isa_traits.hh"
-#include "sim/syscall_emul.hh"
+#include "kern/operatingsystem.hh"
class TranslatingPort;
/// functions, and syscall-number mappings specific to the Solaris
/// syscall interface.
///
-class Solaris {
+class Solaris : public OperatingSystem
+{
public:
//@{
/// Basic Solaris types.
- typedef uint64_t size_t;
+/* typedef uint64_t size_t;
typedef uint64_t off_t;
typedef int64_t time_t;
typedef int32_t uid_t;
typedef uint64_t ino_t;
typedef uint64_t dev_t;
typedef uint32_t mode_t;
- typedef uint32_t nlink_t;
+ typedef uint32_t nlink_t;*/
//@}
-#if NO_STAT64
- typedef struct stat hst_stat;
- typedef struct stat hst_stat64;
-#else
- typedef struct stat hst_stat ;
- typedef struct stat64 hst_stat64;
-#endif
struct tgt_timespec {
int64_t tv_sec;
int64_t tv_nsec;
/// Stat buffer. Note that we can't call it 'stat' since that
/// gets #defined to something else on some systems.
- struct tgt_stat {
+ typedef struct {
uint64_t st_dev; //!< device
uint64_t st_ino; //!< inode
uint32_t st_mode; //!< mode
int32_t st_gid; //!< owner's group ID
uint64_t st_rdev; //!< device number
int64_t st_size; //!< file size in bytes
- struct tgt_timespec st_atimeX; //!< time of last access
- struct tgt_timespec st_mtimeX; //!< time of last modification
- struct tgt_timespec st_ctimeX; //!< time of last status change
+ //struct tgt_timespec st_atimeX; //!< time of last access
+ //struct tgt_timespec st_mtimeX; //!< time of last modification
+ //struct tgt_timespec st_ctimeX; //!< time of last status change
+ int64_t st_atimeX, st_mtimeX, st_ctimeX;
int32_t st_blksize; //!< optimal I/O block size
int64_t st_blocks; //!< number of blocks allocated
char st_fstype[16];
- };
+ } tgt_stat;
// same for stat64
- struct tgt_stat64 {
+ typedef struct {
uint64_t st_dev; //!< device
uint64_t st_ino; //!< inode
uint32_t st_mode; //!< mode
int32_t st_gid; //!< owner's group ID
uint64_t st_rdev; //!< device number
int64_t st_size; //!< file size in bytes
- struct tgt_timespec st_atimeX; //!< time of last access
- struct tgt_timespec st_mtimeX; //!< time of last modification
- struct tgt_timespec st_ctimeX; //!< time of last status change
+ //struct tgt_timespec st_atimeX; //!< time of last access
+ //struct tgt_timespec st_mtimeX; //!< time of last modification
+ //struct tgt_timespec st_ctimeX; //!< time of last status change
+ int64_t st_atimeX, st_mtimeX, st_ctimeX;
int32_t st_blksize; //!< optimal I/O block size
int64_t st_blocks; //!< number of blocks allocated
char st_fstype[16];
- };
+ } tgt_stat64;
/// Length of strings in struct utsname (plus 1 for null char).
static const int _SYS_NMLN = 257;
/// Interface struct for uname().
- struct utsname {
+ typedef 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 "
- };
-
- /// 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 !NO_STAT64
- static void
- copyOutStatBuf(TranslatingPort *mem, Addr addr, hst_stat *host)
- {
- using namespace TheISA;
-
- TypedBufferArg<Solaris::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.tv_sec = htog((uint64_t)host->st_atime);
- tgt->st_mtimeX.tv_sec = htog((uint64_t)host->st_mtime);
- tgt->st_ctimeX.tv_sec = htog((uint64_t)host->st_ctime);
-#if defined(STAT_HAVE_NSEC)
- tgt->st_atimeX.tv_nsec = htog(host->st_atime_nsec);
- tgt->st_mtimeX.tv_nsec = htog(host->st_mtime_nsec);
- tgt->st_ctimeX.tv_nsec = htog(host->st_ctime_nsec);
-#else
- tgt->st_atimeX.tv_nsec = 0;
- tgt->st_mtimeX.tv_nsec = 0;
- tgt->st_ctimeX.tv_nsec = 0;
-#endif
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(host->st_blocks);
- strncpy(tgt->st_fstype, "????", 16);
-
- 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(TranslatingPort *mem, Addr addr, hst_stat64 *host)
- {
- using namespace TheISA;
-
- TypedBufferArg<Solaris::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.tv_sec = htog((uint64_t)host->st_atime);
- tgt->st_mtimeX.tv_sec = htog((uint64_t)host->st_mtime);
- tgt->st_ctimeX.tv_sec = htog((uint64_t)host->st_ctime);
-#if defined(STAT_HAVE_NSEC)
- tgt->st_atimeX.tv_nsec = htog(host->st_atime_nsec);
- tgt->st_mtimeX.tv_nsec = htog(host->st_mtime_nsec);
- tgt->st_ctimeX.tv_nsec = htog(host->st_ctime_nsec);
-#else
- tgt->st_atimeX.tv_nsec = 0;
- tgt->st_mtimeX.tv_nsec = 0;
- tgt->st_ctimeX.tv_nsec = 0;
-#endif
- tgt->st_blksize = htog(host->st_blksize);
- tgt->st_blocks = htog(host->st_blocks);
- strncpy(tgt->st_fstype, "????", 16);
-
- tgt.copyOut(mem);
- }
-#endif
-
-
- // Same for stat64
- static void
- copyOutStat64Buf(TranslatingPort *mem, int fd, Addr addr, hst_stat64 *host)
- {
- using namespace TheISA;
-
- TypedBufferArg<Solaris::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-solaris 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->st_atimeX.tv_sec = htog((uint64_t)host->st_atime);
- tgt->st_mtimeX.tv_sec = htog((uint64_t)host->st_mtime);
- tgt->st_ctimeX.tv_sec = htog((uint64_t)host->st_ctime);
-#if defined(STAT_HAVE_NSEC)
- tgt->st_atimeX.tv_nsec = htog(host->st_atime_nsec);
- tgt->st_mtimeX.tv_nsec = htog(host->st_mtime_nsec);
- tgt->st_ctimeX.tv_nsec = htog(host->st_ctime_nsec);
-#else
- tgt->st_atimeX.tv_nsec = 0;
- tgt->st_mtimeX.tv_nsec = 0;
- tgt->st_ctimeX.tv_nsec = 0;
-#endif
-
- tgt.copyOut(mem);
- }
+ } utsname;
}; // class Solaris
#ifndef __TRU64_HH__
#define __TRU64_HH__
#include "config/full_system.hh"
+#include "kern/operatingsystem.hh"
#if FULL_SYSTEM
/// functions, and syscall-number mappings specific to the Alpha Tru64
/// syscall interface.
///
-class Tru64 {
+class Tru64 : public OperatingSystem
+{
public:
#ifdef __CYGWIN32__
#include <sys/fcntl.h> // for O_BINARY
#endif
+#include <sys/stat.h>
+#include <fcntl.h>
#include <sys/uio.h>
-#include "arch/isa_traits.hh" // for Addr
+#include "sim/host.hh" // for Addr
#include "base/chunk_generator.hh"
#include "base/intmath.hh" // for RoundUp
#include "base/misc.hh"
Process *p, ThreadContext *tc);
-/// This struct is used to build an target-OS-dependent table that
-/// maps the target's open() flags to the host open() flags.
-struct OpenFlagTransTable {
- int tgtFlag; //!< Target system flag value.
- int hostFlag; //!< Corresponding host system flag value.
-};
-
-
-
/// A readable name for 1,000,000, for converting microseconds to seconds.
const int one_million = 1000000;
//
//////////////////////////////////////////////////////////////////////
+#if NO_STAT64
+ typedef struct stat hst_stat;
+ typedef struct stat hst_stat64;
+#else
+ typedef struct stat hst_stat;
+ typedef struct stat64 hst_stat64;
+#endif
+
+//// 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().
+
+template <typename target_stat, typename host_stat>
+static void
+convertStatBuf(target_stat &tgt, host_stat *host, bool fakeTTY = false)
+{
+ if (fakeTTY)
+ tgt->st_dev = 0xA;
+ else
+ tgt->st_dev = host->st_dev;
+ tgt->st_dev = htog(tgt->st_dev);
+ tgt->st_ino = host->st_ino;
+ tgt->st_ino = htog(tgt->st_ino);
+ if (fakeTTY)
+ tgt->st_rdev = 0x880d;
+ else
+ tgt->st_rdev = host->st_rdev;
+ tgt->st_rdev = htog(tgt->st_rdev);
+ tgt->st_size = host->st_size;
+ tgt->st_size = htog(tgt->st_size);
+ tgt->st_atimeX = host->st_atimeX;
+ tgt->st_atimeX = htog(tgt->st_atimeX);
+ tgt->st_mtimeX = host->st_mtimeX;
+ tgt->st_mtimeX = htog(tgt->st_mtimeX);
+ tgt->st_ctimeX = host->st_ctimeX;
+ tgt->st_ctimeX = htog(tgt->st_ctimeX);
+ tgt->st_blksize = host->st_blksize;
+ tgt->st_blksize = htog(tgt->st_blksize);
+ tgt->st_blocks = host->st_blocks;
+ tgt->st_blocks = htog(tgt->st_blocks);
+}
+
+// Same for stat64
+
+template <typename target_stat, typename host_stat64>
+static void
+convertStat64Buf(target_stat &tgt, host_stat64 *host, bool fakeTTY = false)
+{
+ convertStatBuf<target_stat, host_stat64>(tgt, host, fakeTTY);
+#if defined(STAT_HAVE_NSEC)
+ tgt->st_atime_nsec = host->st_atime_nsec;
+ tgt->st_atime_nsec = htog(tgt->st_atime_nsec);
+ tgt->st_mtime_nsec = host->st_mtime_nsec;
+ tgt->st_mtime_nsec = htog(tgt->st_mtime_nsec);
+ tgt->st_ctime_nsec = host->st_ctime_nsec;
+ tgt->st_ctime_nsec = htog(tgt->st_ctime_nsec);
+#else
+ tgt->st_atime_nsec = 0;
+ tgt->st_mtime_nsec = 0;
+ tgt->st_ctime_nsec = 0;
+#endif
+}
+
+//Here are a couple convenience functions
+template<class OS>
+static void
+copyOutStatBuf(TranslatingPort * mem, Addr addr,
+ hst_stat *host, bool fakeTTY = false)
+{
+ typedef TypedBufferArg<typename OS::tgt_stat> tgt_stat_buf;
+ tgt_stat_buf tgt(addr);
+ convertStatBuf<tgt_stat_buf, hst_stat>(tgt, host, fakeTTY);
+ tgt.copyOut(mem);
+}
+
+template<class OS>
+static void
+copyOutStat64Buf(TranslatingPort * mem, Addr addr,
+ hst_stat64 *host, bool fakeTTY = false)
+{
+ typedef TypedBufferArg<typename OS::tgt_stat64> tgt_stat_buf;
+ tgt_stat_buf tgt(addr);
+ convertStatBuf<tgt_stat_buf, hst_stat64>(tgt, host, fakeTTY);
+ tgt.copyOut(mem);
+}
+
/// Target ioctl() handler. For the most part, programs call ioctl()
/// only to find out if their stdout is a tty, to determine whether to
/// do line or block buffering.
if (result < 0)
return -errno;
- OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+ copyOutStatBuf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStat64Buf(tc->getMemPort(), fd, tc->getSyscallArg(1), &hostBuf);
+ copyOutStat64Buf<OS>(tc->getMemPort(), fd, tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+ copyOutStatBuf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStat64Buf(tc->getMemPort(), -1, tc->getSyscallArg(1), &hostBuf);
+ copyOutStat64Buf<OS>(tc->getMemPort(), -1, tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStatBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+ copyOutStatBuf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStatfsBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+ copyOutStatfsBuf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
return 0;
}
if (result < 0)
return -errno;
- OS::copyOutStatfsBuf(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
+ copyOutStatfsBuf<OS>(tc->getMemPort(), tc->getSyscallArg(1), &hostBuf);
return 0;
}
projects / gem5.git / commitdiff