syscall_defs.h

qemu虚拟机代码

#define TARGET_SIGKILL		 9	/* Kill, unblockable (POSIX).  */
#define TARGET_SIGBUS		10	/* BUS error (4.2 BSD).  */
#define TARGET_SIGSEGV		11	/* Segmentation violation (ANSI).  */
#define TARGET_SIGSYS		12
#define TARGET_SIGPIPE		13	/* Broken pipe (POSIX).  */
#define TARGET_SIGALRM		14	/* Alarm clock (POSIX).  */
#define TARGET_SIGTERM		15	/* Termination (ANSI).  */
#define TARGET_SIGUSR1		16	/* User-defined signal 1 (POSIX).  */
#define TARGET_SIGUSR2		17	/* User-defined signal 2 (POSIX).  */
#define TARGET_SIGCHLD		18	/* Child status has changed (POSIX).  */
#define TARGET_SIGCLD		TARGET_SIGCHLD	/* Same as TARGET_SIGCHLD (System V).  */
#define TARGET_SIGPWR		19	/* Power failure restart (System V).  */
#define TARGET_SIGWINCH	20	/* Window size change (4.3 BSD, Sun).  */
#define TARGET_SIGURG		21	/* Urgent condition on socket (4.2 BSD).  */
#define TARGET_SIGIO		22	/* I/O now possible (4.2 BSD).  */
#define TARGET_SIGPOLL		TARGET_SIGIO	/* Pollable event occurred (System V).  */
#define TARGET_SIGSTOP		23	/* Stop, unblockable (POSIX).  */
#define TARGET_SIGTSTP		24	/* Keyboard stop (POSIX).  */
#define TARGET_SIGCONT		25	/* Continue (POSIX).  */
#define TARGET_SIGTTIN		26	/* Background read from tty (POSIX).  */
#define TARGET_SIGTTOU		27	/* Background write to tty (POSIX).  */
#define TARGET_SIGVTALRM	28	/* Virtual alarm clock (4.2 BSD).  */
#define TARGET_SIGPROF		29	/* Profiling alarm clock (4.2 BSD).  */
#define TARGET_SIGXCPU		30	/* CPU limit exceeded (4.2 BSD).  */
#define TARGET_SIGXFSZ		31	/* File size limit exceeded (4.2 BSD).  */
#define TARGET_SIGRTMIN         32

#define TARGET_SIG_BLOCK	1	/* for blocking signals */
#define TARGET_SIG_UNBLOCK	2	/* for unblocking signals */
#define TARGET_SIG_SETMASK	3	/* for setting the signal mask */

#else

#define TARGET_SIGHUP		 1
#define TARGET_SIGINT		 2
#define TARGET_SIGQUIT		 3
#define TARGET_SIGILL		 4
#define TARGET_SIGTRAP		 5
#define TARGET_SIGABRT		 6
#define TARGET_SIGIOT		 6
#define TARGET_SIGBUS		 7
#define TARGET_SIGFPE		 8
#define TARGET_SIGKILL		 9
#define TARGET_SIGUSR1		10
#define TARGET_SIGSEGV		11
#define TARGET_SIGUSR2		12
#define TARGET_SIGPIPE		13
#define TARGET_SIGALRM		14
#define TARGET_SIGTERM		15
#define TARGET_SIGSTKFLT	16
#define TARGET_SIGCHLD		17
#define TARGET_SIGCONT		18
#define TARGET_SIGSTOP		19
#define TARGET_SIGTSTP		20
#define TARGET_SIGTTIN		21
#define TARGET_SIGTTOU		22
#define TARGET_SIGURG		23
#define TARGET_SIGXCPU		24
#define TARGET_SIGXFSZ		25
#define TARGET_SIGVTALRM	26
#define TARGET_SIGPROF		27
#define TARGET_SIGWINCH	        28
#define TARGET_SIGIO		29
#define TARGET_SIGPWR		30
#define TARGET_SIGSYS		31
#define TARGET_SIGRTMIN         32

#define TARGET_SIG_BLOCK          0    /* for blocking signals */
#define TARGET_SIG_UNBLOCK        1    /* for unblocking signals */
#define TARGET_SIG_SETMASK        2    /* for setting the signal mask */

#endif

struct target_old_sigaction {
        target_ulong _sa_handler;
        target_ulong sa_mask;
        target_ulong sa_flags;
        target_ulong sa_restorer;
};

struct target_sigaction {
        target_ulong _sa_handler;
        target_ulong sa_flags;
        target_ulong sa_restorer;
        target_sigset_t sa_mask;
};

typedef union target_sigval {
	int sival_int;
        target_ulong sival_ptr;
} target_sigval_t;
#if 0
#if defined (TARGET_SPARC)
typedef struct {
	struct {
		target_ulong psr;
		target_ulong pc;
		target_ulong npc;
		target_ulong y;
		target_ulong u_regs[16]; /* globals and ins */
	}		si_regs;
	int		si_mask;
} __siginfo_t;

typedef struct {
	unsigned   long si_float_regs [32];
	unsigned   long si_fsr;
	unsigned   long si_fpqdepth;
	struct {
		unsigned long *insn_addr;
		unsigned long insn;
	} si_fpqueue [16];
} __siginfo_fpu_t;
#endif
#endif

#define TARGET_SI_MAX_SIZE	128
#define TARGET_SI_PAD_SIZE	((TARGET_SI_MAX_SIZE/sizeof(int)) - 3)

typedef struct target_siginfo {
	int si_signo;
	int si_errno;
	int si_code;

	union {
		int _pad[TARGET_SI_PAD_SIZE];

		/* kill() */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
		} _kill;

		/* POSIX.1b timers */
		struct {
			unsigned int _timer1;
			unsigned int _timer2;
		} _timer;

		/* POSIX.1b signals */
		struct {
			pid_t _pid;		/* sender's pid */
			uid_t _uid;		/* sender's uid */
			target_sigval_t _sigval;
		} _rt;

		/* SIGCHLD */
		struct {
			pid_t _pid;		/* which child */
			uid_t _uid;		/* sender's uid */
			int _status;		/* exit code */
			target_clock_t _utime;
                        target_clock_t _stime;
		} _sigchld;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			target_ulong _addr; /* faulting insn/memory ref. */
		} _sigfault;

		/* SIGPOLL */
		struct {
			int _band;	/* POLL_IN, POLL_OUT, POLL_MSG */
			int _fd;
		} _sigpoll;
	} _sifields;
} target_siginfo_t;

/*
 * si_code values
 * Digital reserves positive values for kernel-generated signals.
 */
#define TARGET_SI_USER		0	/* sent by kill, sigsend, raise */
#define TARGET_SI_KERNEL	0x80	/* sent by the kernel from somewhere */
#define TARGET_SI_QUEUE	-1		/* sent by sigqueue */
#define TARGET_SI_TIMER -2              /* sent by timer expiration */
#define TARGET_SI_MESGQ	-3		/* sent by real time mesq state change */
#define TARGET_SI_ASYNCIO	-4	/* sent by AIO completion */
#define TARGET_SI_SIGIO	-5		/* sent by queued SIGIO */

/*
 * SIGILL si_codes
 */
#define TARGET_ILL_ILLOPC	(1)	/* illegal opcode */
#define TARGET_ILL_ILLOPN	(2)	/* illegal operand */
#define TARGET_ILL_ILLADR	(3)	/* illegal addressing mode */
#define TARGET_ILL_ILLTRP	(4)	/* illegal trap */
#define TARGET_ILL_PRVOPC	(5)	/* privileged opcode */
#define TARGET_ILL_PRVREG	(6)	/* privileged register */
#define TARGET_ILL_COPROC	(7)	/* coprocessor error */
#define TARGET_ILL_BADSTK	(8)	/* internal stack error */

/*
 * SIGFPE si_codes
 */
#define TARGET_FPE_INTDIV      (1)  /* integer divide by zero */
#define TARGET_FPE_INTOVF      (2)  /* integer overflow */
#define TARGET_FPE_FLTDIV      (3)  /* floating point divide by zero */
#define TARGET_FPE_FLTOVF      (4)  /* floating point overflow */
#define TARGET_FPE_FLTUND      (5)  /* floating point underflow */
#define TARGET_FPE_FLTRES      (6)  /* floating point inexact result */
#define TARGET_FPE_FLTINV      (7)  /* floating point invalid operation */
#define TARGET_FPE_FLTSUB      (8)  /* subscript out of range */
#define TARGET_NSIGFPE         8

/*
 * SIGSEGV si_codes
 */
#define TARGET_SEGV_MAPERR     (1)  /* address not mapped to object */
#define TARGET_SEGV_ACCERR     (2)  /* invalid permissions for mapped object */

/*
 * SIGBUS si_codes
 */
#define TARGET_BUS_ADRALN       (1)	/* invalid address alignment */
#define TARGET_BUS_ADRERR       (2)	/* non-existant physical address */
#define TARGET_BUS_OBJERR       (3)	/* object specific hardware error */

/*
 * SIGTRAP si_codes
 */
#define TARGET_TRAP_BRKPT	(1)	/* process breakpoint */
#define TARGET_TRAP_TRACE	(2)	/* process trace trap */

#endif /* defined(TARGET_I386) || defined(TARGET_ARM) */

struct target_rlimit {
        target_ulong   rlim_cur;
        target_ulong   rlim_max;
};

struct target_pollfd {
    int fd;           /* file descriptor */
    short events;     /* requested events */
    short revents;    /* returned events */
};

/* virtual terminal ioctls */
#define TARGET_KIOCSOUND       0x4B2F	/* start sound generation (0 for off) */
#define TARGET_KDMKTONE	       0x4B30	/* generate tone */
#define TARGET_KDGKBTYPE       0x4b33
#define TARGET_KDGKBENT	       0x4B46	/* gets one entry in translation table */
#define TARGET_KDGKBSENT       0x4B48	/* gets one function key string entry */

#define TARGET_SIOCATMARK      0x8905

/* Networking ioctls */
#define TARGET_SIOCADDRT       0x890B          /* add routing table entry */
#define TARGET_SIOCDELRT       0x890C          /* delete routing table entry */
#define TARGET_SIOCGIFNAME     0x8910          /* get iface name               */
#define TARGET_SIOCSIFLINK     0x8911          /* set iface channel            */
#define TARGET_SIOCGIFCONF     0x8912          /* get iface list               */
#define TARGET_SIOCGIFFLAGS    0x8913          /* get flags                    */
#define TARGET_SIOCSIFFLAGS    0x8914          /* set flags                    */
#define TARGET_SIOCGIFADDR     0x8915          /* get PA address               */
#define TARGET_SIOCSIFADDR     0x8916          /* set PA address               */
#define TARGET_SIOCGIFDSTADDR  0x8917          /* get remote PA address        */
#define TARGET_SIOCSIFDSTADDR  0x8918          /* set remote PA address        */
#define TARGET_SIOCGIFBRDADDR  0x8919          /* get broadcast PA address     */
#define TARGET_SIOCSIFBRDADDR  0x891a          /* set broadcast PA address     */
#define TARGET_SIOCGIFNETMASK  0x891b          /* get network PA mask          */
#define TARGET_SIOCSIFNETMASK  0x891c          /* set network PA mask          */
#define TARGET_SIOCGIFMETRIC   0x891d          /* get metric                   */
#define TARGET_SIOCSIFMETRIC   0x891e          /* set metric                   */
#define TARGET_SIOCGIFMEM      0x891f          /* get memory address (BSD)     */
#define TARGET_SIOCSIFMEM      0x8920          /* set memory address (BSD)     */
#define TARGET_SIOCGIFMTU      0x8921          /* get MTU size                 */
#define TARGET_SIOCSIFMTU      0x8922          /* set MTU size                 */
#define TARGET_SIOCSIFHWADDR   0x8924          /* set hardware address (NI)    */
#define TARGET_SIOCGIFENCAP    0x8925          /* get/set slip encapsulation   */
#define TARGET_SIOCSIFENCAP    0x8926
#define TARGET_SIOCGIFHWADDR   0x8927          /* Get hardware address         */
#define TARGET_SIOCGIFSLAVE    0x8929          /* Driver slaving support       */
#define TARGET_SIOCSIFSLAVE    0x8930
#define TARGET_SIOCADDMULTI    0x8931          /* Multicast address lists      */
#define TARGET_SIOCDELMULTI    0x8932

/* Bridging control calls */
#define TARGET_SIOCGIFBR       0x8940          /* Bridging support             */
#define TARGET_SIOCSIFBR       0x8941          /* Set bridging options         */

#define TARGET_SIOCGIFTXQLEN   0x8942          /* Get the tx queue length      */
#define TARGET_SIOCSIFTXQLEN   0x8943          /* Set the tx queue length      */

/* ARP cache control calls. */
#define TARGET_OLD_SIOCDARP    0x8950          /* old delete ARP table entry   */
#define TARGET_OLD_SIOCGARP    0x8951          /* old get ARP table entry      */
#define TARGET_OLD_SIOCSARP    0x8952          /* old set ARP table entry      */
#define TARGET_SIOCDARP        0x8953          /* delete ARP table entry       */
#define TARGET_SIOCGARP        0x8954          /* get ARP table entry          */
#define TARGET_SIOCSARP        0x8955          /* set ARP table entry          */

/* RARP cache control calls. */
#define TARGET_SIOCDRARP       0x8960          /* delete RARP table entry      */
#define TARGET_SIOCGRARP       0x8961          /* get RARP table entry         */
#define TARGET_SIOCSRARP       0x8962          /* set RARP table entry         */

/* Driver configuration calls */
#define TARGET_SIOCGIFMAP      0x8970          /* Get device parameters        */
#define TARGET_SIOCSIFMAP      0x8971          /* Set device parameters        */

/* DLCI configuration calls */
#define TARGET_SIOCADDDLCI     0x8980          /* Create new DLCI device       */
#define TARGET_SIOCDELDLCI     0x8981          /* Delete DLCI device           */


/* From <linux/fs.h> */

#define TARGET_BLKROSET   TARGET_IO(0x12,93) /* set device read-only (0 = read-write) */
#define TARGET_BLKROGET   TARGET_IO(0x12,94) /* get read-only status (0 = read_write) */
#define TARGET_BLKRRPART  TARGET_IO(0x12,95) /* re-read partition table */
#define TARGET_BLKGETSIZE TARGET_IO(0x12,96) /* return device size /512 (long *arg) */
#define TARGET_BLKFLSBUF  TARGET_IO(0x12,97) /* flush buffer cache */
#define TARGET_BLKRASET   TARGET_IO(0x12,98) /* Set read ahead for block device */
#define TARGET_BLKRAGET   TARGET_IO(0x12,99) /* get current read ahead setting */
#define TARGET_BLKFRASET  TARGET_IO(0x12,100)/* set filesystem (mm/filemap.c) read-ahead */
#define TARGET_BLKFRAGET  TARGET_IO(0x12,101)/* get filesystem (mm/filemap.c) read-ahead */
#define TARGET_BLKSECTSET TARGET_IO(0x12,102)/* set max sectors per request (ll_rw_blk.c) */
#define TARGET_BLKSECTGET TARGET_IO(0x12,103)/* get max sectors per request (ll_rw_blk.c) */
#define TARGET_BLKSSZGET  TARGET_IO(0x12,104)/* get block device sector size */
/* A jump here: 108-111 have been used for various private purposes. */
#define TARGET_BLKBSZGET  TARGET_IOR(0x12,112,sizeof(int))
#define TARGET_BLKBSZSET  TARGET_IOW(0x12,113,sizeof(int))
#define TARGET_BLKGETSIZE64 TARGET_IOR(0x12,114,sizeof(uint64_t)) /* return device size in bytes (u64 *arg) */
#define TARGET_FIBMAP     TARGET_IO(0x00,1)  /* bmap access */
#define TARGET_FIGETBSZ   TARGET_IO(0x00,2)  /* get the block size used for bmap */

/* cdrom commands */
#define TARGET_CDROMPAUSE		0x5301 /* Pause Audio Operation */ 
#define TARGET_CDROMRESUME		0x5302 /* Resume paused Audio Operation */
#define TARGET_CDROMPLAYMSF		0x5303 /* Play Audio MSF (struct cdrom_msf) */
#define TARGET_CDROMPLAYTRKIND		0x5304 /* Play Audio Track/index 
                                           (struct cdrom_ti) */
#define TARGET_CDROMREADTOCHDR		0x5305 /* Read TOC header 
                                           (struct cdrom_tochdr) */
#define TARGET_CDROMREADTOCENTRY	0x5306 /* Read TOC entry 
                                           (struct cdrom_tocentry) */
#define TARGET_CDROMSTOP		0x5307 /* Stop the cdrom drive */
#define TARGET_CDROMSTART		0x5308 /* Start the cdrom drive */
#define TARGET_CDROMEJECT		0x5309 /* Ejects the cdrom media */
#define TARGET_CDROMVOLCTRL		0x530a /* Control output volume 
                                           (struct cdrom_volctrl) */
#define TARGET_CDROMSUBCHNL		0x530b /* Read subchannel data 
                                           (struct cdrom_subchnl) */
#define TARGET_CDROMREADMODE2		0x530c /* Read TARGET_CDROM mode 2 data (2336 Bytes) 
                                           (struct cdrom_read) */
#define TARGET_CDROMREADMODE1		0x530d /* Read TARGET_CDROM mode 1 data (2048 Bytes)
                                           (struct cdrom_read) */
#define TARGET_CDROMREADAUDIO		0x530e /* (struct cdrom_read_audio) */
#define TARGET_CDROMEJECT_SW		0x530f /* enable(1)/disable(0) auto-ejecting */
#define TARGET_CDROMMULTISESSION	0x5310 /* Obtain the start-of-last-session 
                                           address of multi session disks 
                                           (struct cdrom_multisession) */
#define TARGET_CDROM_GET_MCN		0x5311 /* Obtain the "Universal Product Code" 
                                           if available (struct cdrom_mcn) */
#define TARGET_CDROM_GET_UPC		TARGET_CDROM_GET_MCN  /* This one is depricated, 
                                          but here anyway for compatability */
#define TARGET_CDROMRESET		0x5312 /* hard-reset the drive */
#define TARGET_CDROMVOLREAD		0x5313 /* Get the drive's volume setting 
                                          (struct cdrom_volctrl) */
#define TARGET_CDROMREADRAW		0x5314	/* read data in raw mode (2352 Bytes)
                                           (struct cdrom_read) */
/* 
 * These ioctls are used only used in aztcd.c and optcd.c
 */
#define TARGET_CDROMREADCOOKED		0x5315	/* read data in cooked mode */
#define TARGET_CDROMSEEK		0x5316  /* seek msf address */
  
/*
 * This ioctl is only used by the scsi-cd driver.  
   It is for playing audio in logical block addressing mode.
 */
#define TARGET_CDROMPLAYBLK		0x5317	/* (struct cdrom_blk) */

/* 
 * These ioctls are only used in optcd.c
 */