src/arch/sparc/linux/linux.hh - testing/jenkins-gem5-prod - Git at Google


            
            /*

            
             * Copyright (c) 2003-2005 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 __ARCH_SPARC_LINUX_LINUX_HH__

            
            #define __ARCH_SPARC_LINUX_LINUX_HH__


            #include "arch/sparc/utility.hh"

            
            #include "kern/linux/linux.hh"


            class SparcLinux : public Linux

            
            {

            
              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;


                // SPARC receives weird subsignals for several of its signals. If you

            
                // find yourself needing to implement these in detail, look at the

            
                // Linux source.

            
                static const int TGT_SIGHUP         = 0x000001;

            
                static const int TGT_SIGINT         = 0x000002;

            
                static const int TGT_SIGQUIT        = 0x000003;

            
                static const int TGT_SIGILL         = 0x000004;

            
                static const int TGT_SIGTRAP        = 0x000005;

            
                static const int TGT_SIGABRT        = 0x000006;

            
                static const int TGT_SIGIOT         = 0x000006;

            
                static const int TGT_SIGEMT         = 0x000007;

            
                static const int TGT_SIGFPE         = 0x000008;

            
                static const int TGT_SIGKILL        = 0x000009;

            
                static const int TGT_SIGBUS         = 0x00000a;

            
                static const int TGT_SIGSEGV        = 0x00000b;

            
                static const int TGT_SIGSYS         = 0x00000c;

            
                static const int TGT_SIGPIPE        = 0x00000d;

            
                static const int TGT_SIGALRM        = 0x00000e;

            
                static const int TGT_SIGTERM        = 0x00000f;

            
                static const int TGT_SIGURG         = 0x000010;

            
                static const int TGT_SIGSTOP        = 0x000011;

            
                static const int TGT_SIGTSTP        = 0x000012;

            
                static const int TGT_SIGCONT        = 0x000013;

            
                static const int TGT_SIGCHLD        = 0x000014;

            
                static const int TGT_SIGTTIN        = 0x000015;

            
                static const int TGT_SIGTTOU        = 0x000016;

            
                static const int TGT_SIGIO          = 0x000017;

            
                static const int TGT_SIGPOLL        = 0x000017;

            
                static const int TGT_SIGXCPU        = 0x000018;

            
                static const int TGT_SIGXFSZ        = 0x000019;

            
                static const int TGT_SIGVTALRM      = 0x00001a;

            
                static const int TGT_SIGPROF        = 0x00001b;

            
                static const int TGT_SIGWINCH       = 0x00001c;

            
                static const int TGT_SIGLOST        = 0x00001d;

            
                static const int TGT_SIGPWR         = 0x00001d;

            
                static const int TGT_SIGUSR1        = 0x00001e;

            
                static const int TGT_SIGUSR2        = 0x00001f;


                static SyscallFlagTransTable openFlagTable[];


                static const int TGT_O_RDONLY       = 0x00000000;   //!< O_RDONLY

            
                static const int TGT_O_WRONLY       = 0x00000001;   //!< O_WRONLY

            
                static const int TGT_O_RDWR         = 0x00000002;   //!< O_RDWR

            
                static const int TGT_O_NONBLOCK     = 0x00004000;   //!< O_NONBLOCK

            
                static const int TGT_O_APPEND       = 0x00000008;   //!< O_APPEND

            
                static const int TGT_FASYNC         = 0x00000040;   //!< FASYNC

            
                static const int TGT_O_CREAT        = 0x00000200;   //!< O_CREAT

            
                static const int TGT_O_TRUNC        = 0x00000400;   //!< O_TRUNC

            
                static const int TGT_O_EXCL         = 0x00000800;   //!< O_EXCL

            
                static const int TGT_O_NOCTTY       = 0x00008000;   //!< O_NOCTTY

            
                static const int TGT_O_DSYNC        = 0x00002000;   //!< O_DSYNC

            
                static const int TGT_O_LARGEFILE    = 0x00040000;   //!< O_LARGEFILE

            
                static const int TGT_O_DIRECT       = 0x00100000;   //!< O_DIRECT

            
                static const int TGT_O_NOATIME      = 0x00200000;   //!< O_NOATIME

            
                static const int TGT_O_CLOEXEC      = 0x00400000;   //!< O_CLOEXEC

            
                static const int TGT_O_SYNC         = 0x00802000;   //!< O_SYNC

            
                static const int TGT_O_PATH         = 0x01000000;   //!< O_PATH


                static const int TGT_O_DIRECTORY    = 000200000;   //!< O_DIRECTORY

            
                static const int TGT_O_NOFOLLOW     = 000400000;   //!< O_NOFOLLOW


                static const int NUM_OPEN_FLAGS;


                static const unsigned TGT_MAP_SHARED        = 0x00001;

            
                static const unsigned TGT_MAP_PRIVATE       = 0x00002;

            
                static const unsigned TGT_MAP_ANON          = 0x00020;

            
                static const unsigned TGT_MAP_DENYWRITE     = 0x00800;

            
                static const unsigned TGT_MAP_EXECUTABLE    = 0x01000;

            
                static const unsigned TGT_MAP_FILE          = 0x00000;

            
                static const unsigned TGT_MAP_GROWSDOWN     = 0x00200;

            
                static const unsigned TGT_MAP_HUGETLB       = 0x40000;

            
                static const unsigned TGT_MAP_LOCKED        = 0x00100;

            
                static const unsigned TGT_MAP_NONBLOCK      = 0x10000;

            
                static const unsigned TGT_MAP_NORESERVE     = 0x00040;

            
                static const unsigned TGT_MAP_POPULATE      = 0x08000;

            
                static const unsigned TGT_MAP_STACK         = 0x20000;

            
                static const unsigned TGT_MAP_ANONYMOUS     = 0x00020;

            
                static const unsigned TGT_MAP_FIXED         = 0x00010;

            
                static const unsigned TGT_MAP_INHERIT       = 0x00080;


                static const unsigned NUM_MMAP_FLAGS;


                typedef struct {

            
                    int64_t  uptime;    /* Seconds since boot */

            
                    uint64_t loads[3];  /* 1, 5, and 15 minute load averages */

            
                    uint64_t totalram;  /* Total usable main memory size */

            
                    uint64_t freeram;   /* Available memory size */

            
                    uint64_t sharedram; /* Amount of shared memory */

            
                    uint64_t bufferram; /* Memory used by buffers */

            
                    uint64_t totalswap; /* Total swap space size */

            
                    uint64_t freeswap;  /* swap space still available */

            
                    uint16_t procs;     /* Number of current processes */

            
                    uint64_t totalhigh; /* Total high memory size */

            
                    uint64_t freehigh;  /* Available high memory size */

            
                    uint64_t mem_unit;  /* Memory unit size in bytes */

            
                } tgt_sysinfo;


                //@{

            
                /// ioctl() command codes.

            
                /// These were calculated using the SPARC Linux headers on an x86

            
                /// machine and thus may not be correct.  It would be good to

            
                /// verify/update these values on an actual SPARC Linux machine.

            
                static const unsigned TGT_TCGETA    = 0x40125401;

            
                static const unsigned TGT_TCSETAW   = 0x80125403;

            
                static const unsigned TGT_TCGETS    = 0x40385408;

            
                static const unsigned TGT_FIONREAD  = 0x4004667f;

            
                static const unsigned TGT_TIOCGETP  = 0x40067408;

            
                static const unsigned TGT_TIOCSETP  = 0x80067409;

            
                static const unsigned TGT_TIOCSETN  = 0x8006740a;

            
                //@}


                static bool

            
                isTtyReq(unsigned req)

            
                {

            
                    switch (req) {

            
                      case TGT_TIOCGETP:

            
                      case TGT_TIOCSETP:

            
                      case TGT_TIOCSETN:

            
                      case TGT_TCGETS:

            
                      case TGT_TCGETA:

            
                      case TGT_TCSETAW:

            
                        return true;

            
                      default:

            
                        return false;

            
                    }

            
                }


                static void

            
                archClone(uint64_t flags,

            
                          Process *pp, Process *cp,

            
                          ThreadContext *ptc, ThreadContext *ctc,

            
                          uint64_t stack, uint64_t tls)

            
                {

            
                    SparcISA::copyRegs(ptc, ctc);

            
                    ctc->setIntReg(SparcISA::NumIntArchRegs + 6, 0);

            
                    ctc->setIntReg(SparcISA::NumIntArchRegs + 4, 0);

            
                    ctc->setIntReg(SparcISA::NumIntArchRegs + 3, SparcISA::NWindows - 2);

            
                    ctc->setIntReg(SparcISA::NumIntArchRegs + 5, SparcISA::NWindows);

            
                    ctc->setMiscReg(SparcISA::MISCREG_CWP, 0);

            
                    ctc->setIntReg(SparcISA::NumIntArchRegs + 7, 0);

            
                    ctc->setMiscRegNoEffect(SparcISA::MISCREG_TL, 0);

            
                    ctc->setMiscReg(SparcISA::MISCREG_ASI, SparcISA::ASI_PRIMARY);

            
                    for (int y = 8; y < 32; y++)

            
                        ctc->setIntReg(y, ptc->readIntReg(y));


                    if (stack)

            
                        ctc->setIntReg(SparcISA::StackPointerReg, stack);

            
                }

            
            };


            class Sparc32Linux : public SparcLinux

            
            {

            
              public:


                typedef struct {

            
                    uint64_t st_dev;

            
                    uint64_t st_ino;

            
                    uint32_t st_mode;

            
                    uint32_t st_nlink;

            
                    uint32_t st_uid;

            
                    uint32_t st_gid;

            
                    uint64_t st_rdev;

            
                    uint8_t __pad3[8];

            
                    int64_t st_size;

            
                    int32_t st_blksize;

            
                    uint8_t __pad4[8];

            
                    int64_t st_blocks;

            
                    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;

            
                    uint32_t __unused4;

            
                    uint32_t __unused5;

            
                } tgt_stat64;


                typedef struct {

            
                    int32_t  uptime;    /* Seconds since boot */

            
                    uint32_t loads[3];  /* 1, 5, and 15 minute load averages */

            
                    uint32_t totalram;  /* Total usable main memory size */

            
                    uint32_t freeram;   /* Available memory size */

            
                    uint32_t sharedram; /* Amount of shared memory */

            
                    uint32_t bufferram; /* Memory used by buffers */

            
                    uint32_t totalswap; /* Total swap space size */

            
                    uint32_t freeswap;  /* swap space still available */

            
                    uint16_t procs;     /* Number of current processes */

            
                    uint32_t totalhigh; /* Total high memory size */

            
                    uint32_t freehigh;  /* Available high memory size */

            
                    uint32_t mem_unit;  /* Memory unit size in bytes */

            
                } tgt_sysinfo;


                /// Resource constants for getrlimit() (overide some generics).

            
                static const unsigned TGT_RLIMIT_NPROC = 7;

            
                static const unsigned TGT_RLIMIT_NOFILE = 6;

            
            };


            #endif
	/*
	* Copyright (c) 2003-2005 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 __ARCH_SPARC_LINUX_LINUX_HH__
	#define __ARCH_SPARC_LINUX_LINUX_HH__

	#include "arch/sparc/utility.hh"
	#include "kern/linux/linux.hh"

	class SparcLinux : public Linux
	{
	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;

	// SPARC receives weird subsignals for several of its signals. If you
	// find yourself needing to implement these in detail, look at the
	// Linux source.
	static const int TGT_SIGHUP = 0x000001;
	static const int TGT_SIGINT = 0x000002;
	static const int TGT_SIGQUIT = 0x000003;
	static const int TGT_SIGILL = 0x000004;
	static const int TGT_SIGTRAP = 0x000005;
	static const int TGT_SIGABRT = 0x000006;
	static const int TGT_SIGIOT = 0x000006;
	static const int TGT_SIGEMT = 0x000007;
	static const int TGT_SIGFPE = 0x000008;
	static const int TGT_SIGKILL = 0x000009;
	static const int TGT_SIGBUS = 0x00000a;
	static const int TGT_SIGSEGV = 0x00000b;
	static const int TGT_SIGSYS = 0x00000c;
	static const int TGT_SIGPIPE = 0x00000d;
	static const int TGT_SIGALRM = 0x00000e;
	static const int TGT_SIGTERM = 0x00000f;
	static const int TGT_SIGURG = 0x000010;
	static const int TGT_SIGSTOP = 0x000011;
	static const int TGT_SIGTSTP = 0x000012;
	static const int TGT_SIGCONT = 0x000013;
	static const int TGT_SIGCHLD = 0x000014;
	static const int TGT_SIGTTIN = 0x000015;
	static const int TGT_SIGTTOU = 0x000016;
	static const int TGT_SIGIO = 0x000017;
	static const int TGT_SIGPOLL = 0x000017;
	static const int TGT_SIGXCPU = 0x000018;
	static const int TGT_SIGXFSZ = 0x000019;
	static const int TGT_SIGVTALRM = 0x00001a;
	static const int TGT_SIGPROF = 0x00001b;
	static const int TGT_SIGWINCH = 0x00001c;
	static const int TGT_SIGLOST = 0x00001d;
	static const int TGT_SIGPWR = 0x00001d;
	static const int TGT_SIGUSR1 = 0x00001e;
	static const int TGT_SIGUSR2 = 0x00001f;

	static SyscallFlagTransTable openFlagTable[];

	static const int TGT_O_RDONLY = 0x00000000; //!< O_RDONLY
	static const int TGT_O_WRONLY = 0x00000001; //!< O_WRONLY
	static const int TGT_O_RDWR = 0x00000002; //!< O_RDWR
	static const int TGT_O_NONBLOCK = 0x00004000; //!< O_NONBLOCK
	static const int TGT_O_APPEND = 0x00000008; //!< O_APPEND
	static const int TGT_FASYNC = 0x00000040; //!< FASYNC
	static const int TGT_O_CREAT = 0x00000200; //!< O_CREAT
	static const int TGT_O_TRUNC = 0x00000400; //!< O_TRUNC
	static const int TGT_O_EXCL = 0x00000800; //!< O_EXCL
	static const int TGT_O_NOCTTY = 0x00008000; //!< O_NOCTTY
	static const int TGT_O_DSYNC = 0x00002000; //!< O_DSYNC
	static const int TGT_O_LARGEFILE = 0x00040000; //!< O_LARGEFILE
	static const int TGT_O_DIRECT = 0x00100000; //!< O_DIRECT
	static const int TGT_O_NOATIME = 0x00200000; //!< O_NOATIME
	static const int TGT_O_CLOEXEC = 0x00400000; //!< O_CLOEXEC
	static const int TGT_O_SYNC = 0x00802000; //!< O_SYNC
	static const int TGT_O_PATH = 0x01000000; //!< O_PATH

	static const int TGT_O_DIRECTORY = 000200000; //!< O_DIRECTORY
	static const int TGT_O_NOFOLLOW = 000400000; //!< O_NOFOLLOW

	static const int NUM_OPEN_FLAGS;

	static const unsigned TGT_MAP_SHARED = 0x00001;
	static const unsigned TGT_MAP_PRIVATE = 0x00002;
	static const unsigned TGT_MAP_ANON = 0x00020;
	static const unsigned TGT_MAP_DENYWRITE = 0x00800;
	static const unsigned TGT_MAP_EXECUTABLE = 0x01000;
	static const unsigned TGT_MAP_FILE = 0x00000;
	static const unsigned TGT_MAP_GROWSDOWN = 0x00200;
	static const unsigned TGT_MAP_HUGETLB = 0x40000;
	static const unsigned TGT_MAP_LOCKED = 0x00100;
	static const unsigned TGT_MAP_NONBLOCK = 0x10000;
	static const unsigned TGT_MAP_NORESERVE = 0x00040;
	static const unsigned TGT_MAP_POPULATE = 0x08000;
	static const unsigned TGT_MAP_STACK = 0x20000;
	static const unsigned TGT_MAP_ANONYMOUS = 0x00020;
	static const unsigned TGT_MAP_FIXED = 0x00010;
	static const unsigned TGT_MAP_INHERIT = 0x00080;

	static const unsigned NUM_MMAP_FLAGS;

	typedef struct {
	int64_t uptime; /* Seconds since boot */
	uint64_t loads[3]; /* 1, 5, and 15 minute load averages */
	uint64_t totalram; /* Total usable main memory size */
	uint64_t freeram; /* Available memory size */
	uint64_t sharedram; /* Amount of shared memory */
	uint64_t bufferram; /* Memory used by buffers */
	uint64_t totalswap; /* Total swap space size */
	uint64_t freeswap; /* swap space still available */
	uint16_t procs; /* Number of current processes */
	uint64_t totalhigh; /* Total high memory size */
	uint64_t freehigh; /* Available high memory size */
	uint64_t mem_unit; /* Memory unit size in bytes */
	} tgt_sysinfo;

	//@{
	/// ioctl() command codes.
	/// These were calculated using the SPARC Linux headers on an x86
	/// machine and thus may not be correct. It would be good to
	/// verify/update these values on an actual SPARC Linux machine.
	static const unsigned TGT_TCGETA = 0x40125401;
	static const unsigned TGT_TCSETAW = 0x80125403;
	static const unsigned TGT_TCGETS = 0x40385408;
	static const unsigned TGT_FIONREAD = 0x4004667f;
	static const unsigned TGT_TIOCGETP = 0x40067408;
	static const unsigned TGT_TIOCSETP = 0x80067409;
	static const unsigned TGT_TIOCSETN = 0x8006740a;
	//@}

	static bool
	isTtyReq(unsigned req)
	{
	switch (req) {
	case TGT_TIOCGETP:
	case TGT_TIOCSETP:
	case TGT_TIOCSETN:
	case TGT_TCGETS:
	case TGT_TCGETA:
	case TGT_TCSETAW:
	return true;
	default:
	return false;
	}
	}

	static void
	archClone(uint64_t flags,
	Process pp, Process cp,
	ThreadContext ptc, ThreadContext ctc,
	uint64_t stack, uint64_t tls)
	{
	SparcISA::copyRegs(ptc, ctc);
	ctc->setIntReg(SparcISA::NumIntArchRegs + 6, 0);
	ctc->setIntReg(SparcISA::NumIntArchRegs + 4, 0);
	ctc->setIntReg(SparcISA::NumIntArchRegs + 3, SparcISA::NWindows - 2);
	ctc->setIntReg(SparcISA::NumIntArchRegs + 5, SparcISA::NWindows);
	ctc->setMiscReg(SparcISA::MISCREG_CWP, 0);
	ctc->setIntReg(SparcISA::NumIntArchRegs + 7, 0);
	ctc->setMiscRegNoEffect(SparcISA::MISCREG_TL, 0);
	ctc->setMiscReg(SparcISA::MISCREG_ASI, SparcISA::ASI_PRIMARY);
	for (int y = 8; y < 32; y++)
	ctc->setIntReg(y, ptc->readIntReg(y));

	if (stack)
	ctc->setIntReg(SparcISA::StackPointerReg, stack);
	}
	};

	class Sparc32Linux : public SparcLinux
	{
	public:

	typedef struct {
	uint64_t st_dev;
	uint64_t st_ino;
	uint32_t st_mode;
	uint32_t st_nlink;
	uint32_t st_uid;
	uint32_t st_gid;
	uint64_t st_rdev;
	uint8_t __pad3[8];
	int64_t st_size;
	int32_t st_blksize;
	uint8_t __pad4[8];
	int64_t st_blocks;
	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;
	uint32_t __unused4;
	uint32_t __unused5;
	} tgt_stat64;

	typedef struct {
	int32_t uptime; /* Seconds since boot */
	uint32_t loads[3]; /* 1, 5, and 15 minute load averages */
	uint32_t totalram; /* Total usable main memory size */
	uint32_t freeram; /* Available memory size */
	uint32_t sharedram; /* Amount of shared memory */
	uint32_t bufferram; /* Memory used by buffers */
	uint32_t totalswap; /* Total swap space size */
	uint32_t freeswap; /* swap space still available */
	uint16_t procs; /* Number of current processes */
	uint32_t totalhigh; /* Total high memory size */
	uint32_t freehigh; /* Available high memory size */
	uint32_t mem_unit; /* Memory unit size in bytes */
	} tgt_sysinfo;

	/// Resource constants for getrlimit() (overide some generics).
	static const unsigned TGT_RLIMIT_NPROC = 7;
	static const unsigned TGT_RLIMIT_NOFILE = 6;
	};

	#endif