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 /*--------------------------------------------------------------------*/
 /*--- PPC32/Linux-specific kernel interface.     vki-ppc32-linux.h ---*/
 /*--------------------------------------------------------------------*/
 
 /*
    This file is part of Valgrind, a dynamic binary instrumentation
    framework.
 
    Copyright (C) 2005-2017 Julian Seward
       jseward@acm.org
 
    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License as
    published by the Free Software Foundation; either version 2 of the
    License, or (at your option) any later version.
 
    This program is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program; if not, see <http://www.gnu.org/licenses/>.
 
    The GNU General Public License is contained in the file COPYING.
 */
 
 #ifndef __VKI_PPC32_LINUX_H
 #define __VKI_PPC32_LINUX_H
 
 // ppc32 is big-endian.
 #define VKI_BIG_ENDIAN  1
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/types.h
 //----------------------------------------------------------------------
 
 typedef unsigned char __vki_u8;
 
 typedef __signed__ short __vki_s16;
 typedef unsigned short __vki_u16;
 
 typedef __signed__ int __vki_s32;
 typedef unsigned int __vki_u32;
 
 typedef __signed__ long long __vki_s64;
 typedef unsigned long long __vki_u64;
 
 typedef unsigned short vki_u16;
 
 typedef unsigned int vki_u32;
 
 typedef struct {
         __vki_u32 u[4];
 } __vki_vector128;
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/page.h
 //----------------------------------------------------------------------
 
 /* PAGE_SHIFT determines the page size, unfortunately
    page size might vary between 32-bit and 64-bit ppc kernels */
 extern UWord VKI_PAGE_SHIFT;
 extern UWord VKI_PAGE_SIZE;
 #define VKI_MAX_PAGE_SHIFT  16
 #define VKI_MAX_PAGE_SIZE   (1UL << VKI_MAX_PAGE_SHIFT)
 
 //----------------------------------------------------------------------
 // From linux-2.6.35.4/arch/powerpc/include/asm/shmparam.h
 //----------------------------------------------------------------------
 
 #define VKI_SHMLBA  VKI_PAGE_SIZE
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/signal.h
 //----------------------------------------------------------------------
 
 #define VKI_MINSIGSTKSZ 2048
 
 #define VKI_SIG_BLOCK         0    /* for blocking signals */
 #define VKI_SIG_UNBLOCK       1    /* for unblocking signals */
 #define VKI_SIG_SETMASK       2    /* for setting the signal mask */
 
 /* Type of a signal handler.  */
 typedef void __vki_signalfn_t(int);
 typedef __vki_signalfn_t __user *__vki_sighandler_t;
 
 typedef void __vki_restorefn_t(void);
 typedef __vki_restorefn_t __user *__vki_sigrestore_t;
 
 #define VKI_SIG_DFL     ((__vki_sighandler_t)0)     /* default signal handling */
 #define VKI_SIG_IGN     ((__vki_sighandler_t)1)     /* ignore signal */
 
 #define _VKI_NSIG       64
 #define _VKI_NSIG_BPW   32
 #define _VKI_NSIG_WORDS (_VKI_NSIG / _VKI_NSIG_BPW)
 
 typedef unsigned long vki_old_sigset_t;     /* at least 32 bits */
 
 typedef struct {
         unsigned long sig[_VKI_NSIG_WORDS];
 } vki_sigset_t;
 
 #define VKI_SIGHUP       1
 #define VKI_SIGINT       2
 #define VKI_SIGQUIT      3
 #define VKI_SIGILL       4
 #define VKI_SIGTRAP      5
 #define VKI_SIGABRT      6
 //#define VKI_SIGIOT         6
 #define VKI_SIGBUS       7
 #define VKI_SIGFPE       8
 #define VKI_SIGKILL      9
 #define VKI_SIGUSR1     10
 #define VKI_SIGSEGV     11
 #define VKI_SIGUSR2     12
 #define VKI_SIGPIPE     13
 #define VKI_SIGALRM     14
 #define VKI_SIGTERM     15
 #define VKI_SIGSTKFLT       16
 #define VKI_SIGCHLD     17
 #define VKI_SIGCONT     18
 #define VKI_SIGSTOP     19
 #define VKI_SIGTSTP     20
 #define VKI_SIGTTIN     21
 #define VKI_SIGTTOU     22
 #define VKI_SIGURG      23
 #define VKI_SIGXCPU     24
 #define VKI_SIGXFSZ     25
 #define VKI_SIGVTALRM       26
 #define VKI_SIGPROF     27
 #define VKI_SIGWINCH        28
 #define VKI_SIGIO       29
 #define VKI_SIGPWR      30
 #define VKI_SIGSYS      31
 #define VKI_SIGUNUSED       31
 
 /* These should not be considered constants from userland.  */
 #define VKI_SIGRTMIN    32
 // [[This was (_NSIG-1) in 2.4.X... not sure if it matters.]]
 #define VKI_SIGRTMAX    _VKI_NSIG
 
 #define VKI_SA_NOCLDSTOP    0x00000001
 #define VKI_SA_NOCLDWAIT    0x00000002
 #define VKI_SA_SIGINFO      0x00000004
 #define VKI_SA_ONSTACK      0x08000000
 #define VKI_SA_RESTART      0x10000000
 #define VKI_SA_NODEFER      0x40000000
 #define VKI_SA_RESETHAND    0x80000000
 
 #define VKI_SA_NOMASK       VKI_SA_NODEFER
 #define VKI_SA_ONESHOT      VKI_SA_RESETHAND
 //#define VKI_SA_INTERRUPT  0x20000000 /* dummy -- ignored */
 
 #define VKI_SA_RESTORER     0x04000000
 
 #define VKI_SS_ONSTACK      1
 #define VKI_SS_DISABLE      2
 
 /* These are 'legacy' sigactions in which the size of sa_mask is fixed
    (cannot be expanded at any future point) because it is sandwiched
    between two other fields.
    (there is identical kludgery in vki-x86-linux.h) */
 struct vki_old_sigaction {
         // [[Nb: a 'k' prefix is added to "sa_handler" because
         // bits/sigaction.h (which gets dragged in somehow via signal.h)
         // #defines it as something else.  Since that is done for glibc's
         // purposes, which we don't care about here, we use our own name.]]
         __vki_sighandler_t ksa_handler;
         vki_old_sigset_t sa_mask;
         unsigned long sa_flags;
         __vki_sigrestore_t sa_restorer;
 };
 
 struct vki_sigaction_base {
         // [[See comment about extra 'k' above]]
     __vki_sighandler_t ksa_handler;
     unsigned long sa_flags;
     __vki_sigrestore_t sa_restorer;
     vki_sigset_t sa_mask;       /* mask last for extensibility */
 };
 
 /* On Linux we use the same type for passing sigactions to
    and from the kernel.  Hence: */
 typedef  struct vki_sigaction_base  vki_sigaction_toK_t;
 typedef  struct vki_sigaction_base  vki_sigaction_fromK_t;
 
 
 typedef struct vki_sigaltstack {
     void __user *ss_sp;
     int ss_flags;
     vki_size_t ss_size;
 } vki_stack_t;
 
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ptrace.h
 //----------------------------------------------------------------------
 
 struct vki_pt_regs {
         unsigned long gpr[32];
         unsigned long nip;
         unsigned long msr;
         unsigned long orig_gpr3;        /* Used for restarting system calls */
         unsigned long ctr;
         unsigned long link;
         unsigned long xer;
         unsigned long ccr;
         unsigned long mq;               /* 601 only (not used at present) */
                                         /* Used on APUS to hold IPL value. */
         unsigned long trap;             /* Reason for being here */
         /* N.B. for critical exceptions on 4xx, the dar and dsisr
            fields are overloaded to hold srr0 and srr1. */
         unsigned long dar;              /* Fault registers */
         unsigned long dsisr;            /* on 4xx/Book-E used for ESR */
         unsigned long result;           /* Result of a system call */
 
         /* Not in kernel's definition, but apparently needed to stop
            assertion at coredump-elf.c:267 firing.  These padding
            words make the struct have the same size as a
            'vki_elf_greg_t'.  See message from Ghassan Hammouri on
            valgrind-developers on 6 April 06. */
         unsigned long pad[4];
 };
 
 #define vki_user_regs_struct vki_pt_regs
 
 #define VKI_PT_R0       0
 #define VKI_PT_R1       1
 #define VKI_PT_R2       2
 #define VKI_PT_R3       3
 #define VKI_PT_R4       4
 #define VKI_PT_R5       5
 #define VKI_PT_R6       6
 #define VKI_PT_R7       7
 #define VKI_PT_R8       8
 #define VKI_PT_R9       9
 #define VKI_PT_R10      10
 #define VKI_PT_R11      11
 #define VKI_PT_R12      12
 #define VKI_PT_R13      13
 #define VKI_PT_R14      14
 #define VKI_PT_R15      15
 #define VKI_PT_R16      16
 #define VKI_PT_R17      17
 #define VKI_PT_R18      18
 #define VKI_PT_R19      19
 #define VKI_PT_R20      20
 #define VKI_PT_R21      21
 #define VKI_PT_R22      22
 #define VKI_PT_R23      23
 #define VKI_PT_R24      24
 #define VKI_PT_R25      25
 #define VKI_PT_R26      26
 #define VKI_PT_R27      27
 #define VKI_PT_R28      28
 #define VKI_PT_R29      29
 #define VKI_PT_R30      30
 #define VKI_PT_R31      31
 #define VKI_PT_NIP      32
 #define VKI_PT_MSR      33
 #define VKI_PT_ORIG_R3      34
 #define VKI_PT_CTR      35
 #define VKI_PT_LNK      36
 #define VKI_PT_XER      37
 #define VKI_PT_CCR      38
 #define VKI_PT_MQ       39
 #define VKI_PT_TRAP     40
 #define VKI_PT_DAR      41
 #define VKI_PT_DSISR        42
 #define VKI_PT_RESULT       43
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/sigcontext.h
 //----------------------------------------------------------------------
 
 struct vki_sigcontext {
         unsigned long      _unused[4];
         int                signal;
         unsigned long      handler;
         unsigned long      oldmask;
         struct vki_pt_regs *regs;
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/mman.h
 //----------------------------------------------------------------------
 
 #define VKI_PROT_NONE       0x0      /* No page permissions */
 #define VKI_PROT_READ       0x1      /* page can be read */
 #define VKI_PROT_WRITE      0x2      /* page can be written */
 #define VKI_PROT_EXEC       0x4      /* page can be executed */
 #define VKI_PROT_GROWSDOWN  0x01000000  /* mprotect flag: extend change to start of growsdown vma */
 #define VKI_PROT_GROWSUP    0x02000000  /* mprotect flag: extend change to end of growsup vma */
 
 #define VKI_MAP_SHARED      0x01     /* Share changes */
 #define VKI_MAP_PRIVATE     0x02     /* Changes are private */
 //#define VKI_MAP_TYPE      0x0f     /* Mask for type of mapping */
 #define VKI_MAP_FIXED       0x10     /* Interpret addr exactly */
 #define VKI_MAP_ANONYMOUS   0x20     /* don't use a file */
 #define VKI_MAP_NORESERVE   0x40     /* don't reserve swap pages */
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/fcntl.h
 //----------------------------------------------------------------------
 
 #define VKI_O_ACCMODE          03
 #define VKI_O_RDONLY           00
 #define VKI_O_WRONLY           01
 #define VKI_O_RDWR         02
 #define VKI_O_CREAT      0100       /* not fcntl */
 #define VKI_O_EXCL       0200       /* not fcntl */
 #define VKI_O_TRUNC     01000       /* not fcntl */
 #define VKI_O_APPEND        02000
 #define VKI_O_NONBLOCK      04000
 #define VKI_O_DIRECT          0400000
 #define VKI_O_LARGEFILE       0200000
 
 #define VKI_AT_FDCWD            -100
 
 #define VKI_F_DUPFD      0          /* dup */
 #define VKI_F_GETFD      1          /* get close_on_exec */
 #define VKI_F_SETFD      2          /* set/clear close_on_exec */
 #define VKI_F_GETFL      3          /* get file->f_flags */
 #define VKI_F_SETFL      4          /* set file->f_flags */
 #define VKI_F_GETLK      5
 #define VKI_F_SETLK      6
 #define VKI_F_SETLKW         7
 
 #define VKI_F_SETOWN         8          /*  for sockets. */
 #define VKI_F_GETOWN         9          /*  for sockets. */
 #define VKI_F_SETSIG        10          /*  for sockets. */
 #define VKI_F_GETSIG        11          /*  for sockets. */
 
 #define VKI_F_GETLK64       12          /*  using 'struct flock64' */
 #define VKI_F_SETLK64       13
 #define VKI_F_SETLKW64      14
 
 #define VKI_F_SETOWN_EX     15
 #define VKI_F_GETOWN_EX     16
 
 #define VKI_F_OFD_GETLK     36
 #define VKI_F_OFD_SETLK     37
 #define VKI_F_OFD_SETLKW    38
 
 #define VKI_F_OWNER_TID     0
 #define VKI_F_OWNER_PID     1
 #define VKI_F_OWNER_PGRP    2
 
 struct vki_f_owner_ex {
     int type;
     __vki_kernel_pid_t  pid;
 };
 
 /* for F_[GET|SET]FL */
 #define VKI_FD_CLOEXEC   1      /* actually anything with low bit set goes */
 
 #define VKI_F_LINUX_SPECIFIC_BASE   1024
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/resource.h
 //----------------------------------------------------------------------
 
 #define VKI_RLIMIT_DATA     2   /* max data size */
 #define VKI_RLIMIT_STACK    3   /* max stack size */
 #define VKI_RLIMIT_CORE     4   /* max core file size */
 #define VKI_RLIMIT_NOFILE   7   /* max number of open files */
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/socket.h
 //----------------------------------------------------------------------
 
 #define VKI_SOL_SOCKET  1
 
 #define VKI_SO_TYPE 3
 
 #define VKI_SO_ATTACH_FILTER    26
 
 //----------------------------------------------------------------------
 // From linux-2.6.8.1/include/asm-ppc/sockios.h
 //----------------------------------------------------------------------
 
 #define VKI_SIOCSPGRP       0x8902
 #define VKI_SIOCGPGRP       0x8904
 #define VKI_SIOCATMARK      0x8905
 #define VKI_SIOCGSTAMP      0x8906          /* Get stamp (timeval) */
 #define VKI_SIOCGSTAMPNS    0x8907          /* Get stamp (timespec) */
 
 //----------------------------------------------------------------------
 // From linux-2.6.10/include/asm-ppc/stat.h
 //----------------------------------------------------------------------
 
 //.. #define VKI_S_IFMT     00170000
 //.. #define VKI_S_IFSOCK    0140000
 //.. #define VKI_S_IFLNK     0120000
 //.. #define VKI_S_IFREG     0100000
 //.. #define VKI_S_IFBLK     0060000
 //.. #define VKI_S_IFDIR     0040000
 //.. #define VKI_S_IFCHR     0020000
 //.. #define VKI_S_IFIFO     0010000
 //.. #define VKI_S_ISUID     0004000
 //.. #define VKI_S_ISGID     0002000
 //.. #define VKI_S_ISVTX     0001000
 //.. 
 //.. #define VKI_S_ISLNK(m) (((m) & VKI_S_IFMT) == VKI_S_IFLNK)
 //.. #define VKI_S_ISREG(m) (((m) & VKI_S_IFMT) == VKI_S_IFREG)
 //.. #define VKI_S_ISDIR(m) (((m) & VKI_S_IFMT) == VKI_S_IFDIR)
 //.. #define VKI_S_ISCHR(m) (((m) & VKI_S_IFMT) == VKI_S_IFCHR)
 //.. #define VKI_S_ISBLK(m) (((m) & VKI_S_IFMT) == VKI_S_IFBLK)
 //.. #define VKI_S_ISFIFO(m)    (((m) & VKI_S_IFMT) == VKI_S_IFIFO)
 //.. #define VKI_S_ISSOCK(m)    (((m) & VKI_S_IFMT) == VKI_S_IFSOCK)
 
 struct vki_stat {
    unsigned     st_dev;
    unsigned long    st_ino;
    unsigned int     st_mode;
    unsigned short   st_nlink;
    unsigned int     st_uid;
    unsigned int     st_gid;
    unsigned     st_rdev;
    long         st_size;
    unsigned long    st_blksize;
    unsigned long    st_blocks;
    unsigned long    st_atime;
    unsigned long    st_atime_nsec;
    unsigned long    st_mtime;
    unsigned long    st_mtime_nsec;
    unsigned long    st_ctime;
    unsigned long    st_ctime_nsec;
    unsigned long    __unused4;
    unsigned long    __unused5;
 };
 
 struct vki_stat64 {
    unsigned long long   st_dev;
    unsigned long long   st_ino;
    unsigned int         st_mode;
    unsigned int         st_nlink;
    unsigned int         st_uid;
    unsigned int         st_gid;
    unsigned long long   st_rdev;
    unsigned short int   __pad2;
    long long            st_size;
    long                 st_blksize;
 
    long long            st_blocks;
    long                 st_atime;
    unsigned long        st_atime_nsec;
    long                 st_mtime;
    unsigned long int    st_mtime_nsec;
    long                 st_ctime;
    unsigned long int    st_ctime_nsec;
    unsigned long int    __unused4;
    unsigned long int    __unused5;
 };
 
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/statfs.h
 //----------------------------------------------------------------------
 
 // [[Nb: asm-ppc/statfs.h just #include asm-generic/statfs.h directly]]
 struct vki_statfs {
    __vki_u32 f_type;
    __vki_u32 f_bsize;
    __vki_u32 f_blocks;
    __vki_u32 f_bfree;
    __vki_u32 f_bavail;
    __vki_u32 f_files;
    __vki_u32 f_ffree;
    __vki_kernel_fsid_t f_fsid;
    __vki_u32 f_namelen;
    __vki_u32 f_frsize;
    __vki_u32 f_spare[5];
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/termios.h
 //----------------------------------------------------------------------
 
 struct vki_winsize {
    unsigned short ws_row;
    unsigned short ws_col;
    unsigned short ws_xpixel;
    unsigned short ws_ypixel;
 };
 
 #define NCC 10
 struct vki_termio {
    unsigned short   c_iflag;        /* input mode flags */
    unsigned short   c_oflag;        /* output mode flags */
    unsigned short   c_cflag;        /* control mode flags */
    unsigned short   c_lflag;        /* local mode flags */
    unsigned char    c_line;         /* line discipline */
    unsigned char    c_cc[NCC];      /* control characters */
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/termbits.h
 //----------------------------------------------------------------------
 
 typedef unsigned char   vki_cc_t;
 typedef unsigned int    vki_speed_t;
 typedef unsigned int    vki_tcflag_t;
 
 #define NCCS 19
 struct vki_termios {
         vki_tcflag_t    c_iflag;        /* input mode flags */
         vki_tcflag_t    c_oflag;        /* output mode flags */
         vki_tcflag_t    c_cflag;        /* control mode flags */
         vki_tcflag_t    c_lflag;        /* local mode flags */
         vki_cc_t    c_cc[NCCS];     /* control characters */
         vki_cc_t    c_line;         /* line discipline (== c_cc[19]) */
         vki_speed_t c_ispeed;       /* input speed */
         vki_speed_t c_ospeed;       /* output speed */
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ioctl.h
 //----------------------------------------------------------------------
 
 #define _VKI_IOC_NRBITS      8
 #define _VKI_IOC_TYPEBITS    8
 #define _VKI_IOC_SIZEBITS   13
 #define _VKI_IOC_DIRBITS     3
 
 #define _VKI_IOC_NRMASK     ((1 << _VKI_IOC_NRBITS)-1)
 #define _VKI_IOC_TYPEMASK   ((1 << _VKI_IOC_TYPEBITS)-1)
 #define _VKI_IOC_SIZEMASK   ((1 << _VKI_IOC_SIZEBITS)-1)
 #define _VKI_IOC_DIRMASK    ((1 << _VKI_IOC_DIRBITS)-1)
 
 #define _VKI_IOC_NRSHIFT    0
 #define _VKI_IOC_TYPESHIFT  (_VKI_IOC_NRSHIFT+_VKI_IOC_NRBITS)
 #define _VKI_IOC_SIZESHIFT  (_VKI_IOC_TYPESHIFT+_VKI_IOC_TYPEBITS)
 #define _VKI_IOC_DIRSHIFT   (_VKI_IOC_SIZESHIFT+_VKI_IOC_SIZEBITS)
 
 #define _VKI_IOC_NONE   1U
 #define _VKI_IOC_READ   2U
 #define _VKI_IOC_WRITE  4U
 
 #define _VKI_IOC(dir,type,nr,size) \
         (((dir)  << _VKI_IOC_DIRSHIFT) | \
          ((type) << _VKI_IOC_TYPESHIFT) | \
          ((nr)   << _VKI_IOC_NRSHIFT) | \
          ((size) << _VKI_IOC_SIZESHIFT))
 
 /* used to create numbers */
 #define _VKI_IO(type,nr)            _VKI_IOC(_VKI_IOC_NONE,(type),(nr),0)
 #define _VKI_IOR(type,nr,size)  _VKI_IOC(_VKI_IOC_READ,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 #define _VKI_IOW(type,nr,size)  _VKI_IOC(_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 #define _VKI_IOWR(type,nr,size) _VKI_IOC(_VKI_IOC_READ|_VKI_IOC_WRITE,(type),(nr),(_VKI_IOC_TYPECHECK(size)))
 
 /* used to decode them.. */
 #define _VKI_IOC_DIR(nr)        (((nr) >> _VKI_IOC_DIRSHIFT)  & _VKI_IOC_DIRMASK)
 //.. #define _VKI_IOC_TYPE(nr)      (((nr) >> _VKI_IOC_TYPESHIFT) & _VKI_IOC_TYPEMASK)
 //.. #define _VKI_IOC_NR(nr)        (((nr) >> _VKI_IOC_NRSHIFT)   & _VKI_IOC_NRMASK)
 #define _VKI_IOC_SIZE(nr)       (((nr) >> _VKI_IOC_SIZESHIFT) & _VKI_IOC_SIZEMASK)
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ioctls.h
 //----------------------------------------------------------------------
 
 #define VKI_FIOCLEX     _VKI_IO('f', 1)
 #define VKI_FIONCLEX        _VKI_IO('f', 2)
 #define VKI_FIOASYNC        _VKI_IOW('f', 125, int)
 #define VKI_FIONBIO     _VKI_IOW('f', 126, int)
 #define VKI_FIONREAD        _VKI_IOR('f', 127, int)
 //#define VKI_TIOCINQ       VKI_FIONREAD
 #define VKI_FIOQSIZE        _VKI_IOR('f', 128, vki_loff_t)
 
 //#define VKI_TIOCGETP      _VKI_IOR('t', 8, struct vki_sgttyb)
 //#define VKI_TIOCSETP      _VKI_IOW('t', 9, struct vki_sgttyb)
 //#define VKI_TIOCSETN      _VKI_IOW('t', 10, struct vki_sgttyb)    /* TIOCSETP wo flush */
 
 //#define VKI_TIOCSETC      _VKI_IOW('t', 17, struct vki_tchars)
 //#define VKI_TIOCGETC      _VKI_IOR('t', 18, struct vki_tchars)
 #define VKI_TCGETS      _VKI_IOR('t', 19, struct vki_termios)
 #define VKI_TCSETS      _VKI_IOW('t', 20, struct vki_termios)
 #define VKI_TCSETSW     _VKI_IOW('t', 21, struct vki_termios)
 #define VKI_TCSETSF     _VKI_IOW('t', 22, struct vki_termios)
 
 #define VKI_TCGETA      _VKI_IOR('t', 23, struct vki_termio)
 #define VKI_TCSETA      _VKI_IOW('t', 24, struct vki_termio)
 #define VKI_TCSETAW     _VKI_IOW('t', 25, struct vki_termio)
 #define VKI_TCSETAF     _VKI_IOW('t', 28, struct vki_termio)
 
 #define VKI_TCSBRK      _VKI_IO('t', 29)
 #define VKI_TCXONC      _VKI_IO('t', 30)
 #define VKI_TCFLSH      _VKI_IO('t', 31)
 
 #define VKI_TIOCSWINSZ      _VKI_IOW('t', 103, struct vki_winsize)
 #define VKI_TIOCGWINSZ      _VKI_IOR('t', 104, struct vki_winsize)
 //#define VKI_TIOCSTART     _VKI_IO('t', 110)      /* start output, like ^Q */
 //#define VKI_TIOCSTOP      _VKI_IO('t', 111)      /* stop output, like ^S */
 #define VKI_TIOCOUTQ        _VKI_IOR('t', 115, int)    /* output queue size */
 
 //#define VKI_TIOCGLTC      _VKI_IOR('t', 116, struct vki_ltchars)
 //#define VKI_TIOCSLTC      _VKI_IOW('t', 117, struct vki_ltchars)
 #define VKI_TIOCSPGRP       _VKI_IOW('t', 118, int)
 #define VKI_TIOCGPGRP       _VKI_IOR('t', 119, int)
 
 //#define VKI_TIOCEXCL      0x540C
 //#define VKI_TIOCNXCL      0x540D
 #define VKI_TIOCSCTTY       0x540E
 
 //#define VKI_TIOCSTI       0x5412
 #define VKI_TIOCMGET        0x5415
 #define VKI_TIOCMBIS        0x5416
 #define VKI_TIOCMBIC        0x5417
 #define VKI_TIOCMSET        0x5418
 //# define VKI_TIOCM_LE     0x001
 //# define VKI_TIOCM_DTR    0x002
 //# define VKI_TIOCM_RTS    0x004
 //# define VKI_TIOCM_ST     0x008
 //# define VKI_TIOCM_SR     0x010
 //# define VKI_TIOCM_CTS    0x020
 //# define VKI_TIOCM_CAR    0x040
 //# define VKI_TIOCM_RNG    0x080
 //# define VKI_TIOCM_DSR    0x100
 //# define VKI_TIOCM_CD     VKI_TIOCM_CAR
 //# define VKI_TIOCM_RI     VKI_TIOCM_RNG
 
 //#define VKI_TIOCGSOFTCAR  0x5419
 //#define VKI_TIOCSSOFTCAR  0x541A
 #define VKI_TIOCLINUX       0x541C
 //#define VKI_TIOCCONS      0x541D
 #define VKI_TIOCGSERIAL 0x541E
 #define VKI_TIOCSSERIAL 0x541F
 //#define VKI_TIOCPKT       0x5420
 //# define VKI_TIOCPKT_DATA      0
 //# define VKI_TIOCPKT_FLUSHREAD     1
 //# define VKI_TIOCPKT_FLUSHWRITE    2
 //# define VKI_TIOCPKT_STOP      4
 //# define VKI_TIOCPKT_START         8
 //# define VKI_TIOCPKT_NOSTOP       16
 //# define VKI_TIOCPKT_DOSTOP       32
 
 #define VKI_TIOCNOTTY       0x5422
 //#define VKI_TIOCSETD      0x5423
 //#define VKI_TIOCGETD      0x5424
 #define VKI_TCSBRKP     0x5425  /* Needed for POSIX tcsendbreak() */
 //#define VKI_TIOCSBRK      0x5427  /* BSD compatibility */
 //#define VKI_TIOCCBRK      0x5428  /* BSD compatibility */
 //#define VKI_TIOCGSID      0x5429  /* Return the session ID of FD */
 #define VKI_TIOCGPTN        _VKI_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */
 #define VKI_TIOCSPTLCK      _VKI_IOW('T',0x31, int)  /* Lock/unlock Pty */
 
 //#define VKI_TIOCSERCONFIG 0x5453
 //#define VKI_TIOCSERGWILD  0x5454
 //#define VKI_TIOCSERSWILD      0x5455
 //#define VKI_TIOCGLCKTRMIOS    0x5456
 //#define VKI_TIOCSLCKTRMIOS    0x5457
 //#define VKI_TIOCSERGSTRUCT    0x5458 /* For debugging only */
 #define VKI_TIOCSERGETLSR   0x5459 /* Get line status register */
   /* ioctl (fd, VKI_TIOCSERGETLSR, &result) where result may be as below */
 //# define VKI_TIOCSER_TEMT 0x01   /* Transmitter physically empty */
 //#define VKI_TIOCSERGETMULTI   0x545A /* Get multiport config  */
 //#define VKI_TIOCSERSETMULTI   0x545B /* Set multiport config */
 
 //#define VKI_TIOCMIWAIT    0x545C  /* wait for a change on serial input line(s) */
 #define VKI_TIOCGICOUNT     0x545D  /* read serial port inline interrupt counts */
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/poll.h
 //----------------------------------------------------------------------
 
 //.. /* These are specified by iBCS2 */
 //.. #define VKI_POLLIN     0x0001
 
 struct vki_pollfd {
     int fd;
     short events;
     short revents;
 };
 
 //.. //----------------------------------------------------------------------
 //.. // From linux-2.6.8.1/include/asm-i386/user.h
 //.. //----------------------------------------------------------------------
 //.. 
 //.. struct vki_user_i387_struct {
 //..    long    cwd;
 //..    long    swd;
 //..    long    twd;
 //..    long    fip;
 //..    long    fcs;
 //..    long    foo;
 //..    long    fos;
 //..    long    st_space[20];   /* 8*10 bytes for each FP-reg = 80 bytes */
 //.. };
 //.. 
 //.. struct vki_user_fxsr_struct {
 //..    unsigned short  cwd;
 //..    unsigned short  swd;
 //..    unsigned short  twd;
 //..    unsigned short  fop;
 //..    long    fip;
 //..    long    fcs;
 //..    long    foo;
 //..    long    fos;
 //..    long    mxcsr;
 //..    long    reserved;
 //..    long    st_space[32];   /* 8*16 bytes for each FP-reg = 128 bytes */
 //..    long    xmm_space[32];  /* 8*16 bytes for each XMM-reg = 128 bytes */
 //..    long    padding[56];
 //.. };
 //.. 
 //.. /*
 //..  * This is the old layout of "struct pt_regs", and
 //..  * is still the layout used by user mode (the new
 //..  * pt_regs doesn't have all registers as the kernel
 //..  * doesn't use the extra segment registers)
 //..  */
 //.. struct vki_user_regs_struct {
 //..    long ebx, ecx, edx, esi, edi, ebp, eax;
 //..    unsigned short ds, __ds, es, __es;
 //..    unsigned short fs, __fs, gs, __gs;
 //..    long orig_eax, eip;
 //..    unsigned short cs, __cs;
 //..    long eflags, esp;
 //..    unsigned short ss, __ss;
 //.. };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/elf.h
 //----------------------------------------------------------------------
 
 #define VKI_ELF_NGREG           48  /* includes nip, msr, lr, etc. */
 #define VKI_ELF_NFPREG          33  /* includes fpscr */
 #define VKI_ELF_NVRREG          33  /* includes vscr */
 
 /* General registers */
 typedef unsigned long vki_elf_greg_t;
 typedef vki_elf_greg_t vki_elf_gregset_t[VKI_ELF_NGREG];
 
 /* Floating point registers */
 typedef double vki_elf_fpreg_t;
 typedef vki_elf_fpreg_t vki_elf_fpregset_t[VKI_ELF_NFPREG];
 
 /* Altivec registers */
 typedef __vki_vector128 vki_elf_vrreg_t;
 typedef vki_elf_vrreg_t vki_elf_vrregset_t[VKI_ELF_NVRREG];
 
 #define VKI_AT_DCACHEBSIZE      19
 #define VKI_AT_ICACHEBSIZE      20
 #define VKI_AT_UCACHEBSIZE      21
 /* A special ignored type value for PPC, for glibc compatibility.  */
 #define VKI_AT_IGNOREPPC        22
 
 /* CAB: Do we want these? */
 //#define VKI_AT_SYSINFO        32
 //#define VKI_AT_SYSINFO_EHDR       33
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ucontext.h
 //----------------------------------------------------------------------
 
 struct vki_mcontext {
         vki_elf_gregset_t   mc_gregs;
         vki_elf_fpregset_t  mc_fregs;
         unsigned long       mc_pad[2];
         vki_elf_vrregset_t  mc_vregs __attribute__((__aligned__(16)));
 };
 
 struct vki_ucontext {
         unsigned long       uc_flags;
         struct vki_ucontext __user *uc_link;
         vki_stack_t     uc_stack;
         int         uc_pad[7];
         struct vki_mcontext __user *uc_regs;        /* points to uc_mcontext field */
         vki_sigset_t        uc_sigmask;
         /* glibc has 1024-bit signal masks, ours are 64-bit */
         int         uc_maskext[30];
         int         uc_pad2[3];
         struct vki_mcontext uc_mcontext;
 };
 
 //.. //----------------------------------------------------------------------
 //.. // From linux-2.6.8.1/include/asm-i386/segment.h
 //.. //----------------------------------------------------------------------
 //.. 
 //.. #define VKI_GDT_ENTRY_TLS_ENTRIES  3
 //.. #define VKI_GDT_ENTRY_TLS_MIN  6
 //.. #define VKI_GDT_ENTRY_TLS_MAX  (VKI_GDT_ENTRY_TLS_MIN + VKI_GDT_ENTRY_TLS_ENTRIES - 1)
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ldt.h
 //----------------------------------------------------------------------
 
 //.. /* [[Nb: This is the structure passed to the modify_ldt syscall.  Just so as
 //..    to confuse and annoy everyone, this is _not_ the same as an
 //..    VgLdtEntry and has to be translated into such.  The logic for doing
 //..    so, in vg_ldt.c, is copied from the kernel sources.]] */
 //.. struct vki_user_desc {
 //..    unsigned int    entry_number;
 //..    unsigned long   base_addr;
 //..    unsigned int    limit;
 //..    unsigned int    seg_32bit:1;
 //..    unsigned int    contents:2;
 //..    unsigned int    read_exec_only:1;
 //..    unsigned int    limit_in_pages:1;
 //..    unsigned int    seg_not_present:1;
 //..    unsigned int    useable:1;
 //..         // [[Nb: this field is not in the kernel sources, but it has always
 //..         // been in the Valgrind sources so I will keep it there in case it's
 //..         // important... this is an x86-defined data structure so who
 //..         // knows;  maybe it's important to set this field to zero at some
 //..         // point.  --njn]]
 //..    unsigned int    reserved:25;
 //.. };
 //.. 
 //.. // [[Nb: for our convenience within Valgrind, use a more specific name]]
 
 // CAB: TODO
 typedef char vki_modify_ldt_t;
 
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/ipcbuf.h
 //----------------------------------------------------------------------
 
 struct vki_ipc64_perm
 {
    __vki_kernel_key_t   key;
    __vki_kernel_uid_t   uid;
    __vki_kernel_gid_t   gid;
    __vki_kernel_uid_t   cuid;
    __vki_kernel_gid_t   cgid;
    __vki_kernel_mode_t  mode;
    unsigned long    seq;
    unsigned int     __pad2;
    unsigned long long   __unused1;
    unsigned long long   __unused2;
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/sembuf.h
 //----------------------------------------------------------------------
 
 struct vki_semid64_ds {
    struct vki_ipc64_perm    sem_perm;       /* permissions .. see ipc.h */
    unsigned int         __unused1;
    __vki_kernel_time_t      sem_otime;      /* last semop time */
    unsigned int         __unused2;
    __vki_kernel_time_t      sem_ctime;      /* last change time */
    unsigned long        sem_nsems;      /* no. of semaphores in array */
    unsigned long        __unused3;
    unsigned long        __unused4;
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/msgbuf.h
 //----------------------------------------------------------------------
 
 struct vki_msqid64_ds {
    struct vki_ipc64_perm    msg_perm;
    unsigned int         __unused1;
    __vki_kernel_time_t      msg_stime;      /* last msgsnd time */
    unsigned int         __unused2;
    __vki_kernel_time_t      msg_rtime;      /* last msgrcv time */
    unsigned int         __unused3;
    __vki_kernel_time_t      msg_ctime;      /* last change time */
    unsigned long        msg_cbytes;     /* current number of bytes on queue */
    unsigned long        msg_qnum;       /* number of messages in queue */
    unsigned long        msg_qbytes;     /* max number of bytes on queue */
    __vki_kernel_pid_t       msg_lspid;      /* pid of last msgsnd */
    __vki_kernel_pid_t       msg_lrpid;      /* last receive pid */
    unsigned long        __unused4;
    unsigned long        __unused5;
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.8.1/include/asm-ppc/ipc.h
 //----------------------------------------------------------------------
 
 struct vki_ipc_kludge {
         struct vki_msgbuf __user *msgp;
         long msgtyp;
 };
 
 #define VKI_SEMOP            1
 #define VKI_SEMGET           2
 #define VKI_SEMCTL           3
 #define VKI_SEMTIMEDOP       4
 #define VKI_MSGSND          11
 #define VKI_MSGRCV          12
 #define VKI_MSGGET          13
 #define VKI_MSGCTL          14
 #define VKI_SHMAT           21
 #define VKI_SHMDT           22
 #define VKI_SHMGET          23
 #define VKI_SHMCTL          24
 
 //----------------------------------------------------------------------
 // From linux-2.6.9/include/asm-ppc/shmbuf.h
 //----------------------------------------------------------------------
 
 struct vki_shmid64_ds {
    struct vki_ipc64_perm    shm_perm;       /* operation perms */
    unsigned int         __unused1;
    __vki_kernel_time_t      shm_atime;      /* last attach time */
    unsigned int         __unused2;
    __vki_kernel_time_t      shm_dtime;      /* last detach time */
    unsigned int         __unused3;
    __vki_kernel_time_t      shm_ctime;      /* last change time */
    unsigned int         __unused4;
    vki_size_t           shm_segsz;      /* size of segment (bytes) */
    __vki_kernel_pid_t       shm_cpid;       /* pid of creator */
    __vki_kernel_pid_t       shm_lpid;       /* pid of last operator */
    unsigned long        shm_nattch;     /* no. of current attaches */
    unsigned long        __unused5;
    unsigned long        __unused6;
 };
 
 struct vki_shminfo64 {
    unsigned long    shmmax;
    unsigned long    shmmin;
    unsigned long    shmmni;
    unsigned long    shmseg;
    unsigned long    shmall;
    unsigned long    __unused1;
    unsigned long    __unused2;
    unsigned long    __unused3;
    unsigned long    __unused4;
 };
 
 //----------------------------------------------------------------------
 // From linux-2.6.8.1/include/asm-generic/errno.h
 //----------------------------------------------------------------------
 
 #define VKI_ENOSYS       38  /* Function not implemented */
 #define VKI_EOVERFLOW    75  /* Value too large for defined data type */
 
 //.. //----------------------------------------------------------------------
 //.. // DRM ioctls
 //.. //----------------------------------------------------------------------
 //.. 
 //.. // jrs 20050207: where did all this stuff come from?  Is it really
 //.. // i386 specific, or should it go into the linux-generic category?
 //.. //struct vki_drm_buf_pub {
 //.. // Int       idx;         /**< Index into the master buffer list */
 //.. // Int       total;       /**< Buffer size */
 //.. // Int       used;        /**< Amount of buffer in use (for DMA) */
 //.. // void      __user *address;     /**< Address of buffer */
 //.. //};
 //.. //
 //.. //struct vki_drm_buf_map {
 //.. // Int       count;        /**< Length of the buffer list */
 //.. // void          __user *virtual;  /**< Mmap'd area in user-virtual */
 //.. // struct vki_drm_buf_pub __user *list;    /**< Buffer information */
 //.. //};
 //.. //
 //.. ///* We need to pay attention to this, because it mmaps memory */
 //.. //#define VKI_DRM_IOCTL_MAP_BUFS       _VKI_IOWR('d', 0x19, struct vki_drm_buf_map)
 
 //----------------------------------------------------------------------
 // And that's it!
 //----------------------------------------------------------------------
 
 #endif // __VKI_PPC32_LINUX_H
 
 /*--------------------------------------------------------------------*/
 /*--- end                                                          ---*/
 /*--------------------------------------------------------------------*/

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