coregrind/m_syswrap/syswrap-ppc32-linux.c

/*--------------------------------------------------------------------*/
/*--- Platform-specific syscalls stuff.      syswrap-ppc32-linux.c ---*/
/*--------------------------------------------------------------------*/

/*
   This file is part of Valgrind, a dynamic binary instrumentation
   framework.

   Copyright (C) 2005-2017 Nicholas Nethercote <njn@valgrind.org>
   Copyright (C) 2005-2017 Cerion Armour-Brown <cerion@open-works.co.uk>

   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, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307, USA.

   The GNU General Public License is contained in the file COPYING.
*/

#if defined(VGP_ppc32_linux)

#include "pub_core_basics.h"
#include "pub_core_vki.h"
#include "pub_core_vkiscnums.h"
#include "pub_core_threadstate.h"
#include "pub_core_aspacemgr.h"
#include "pub_core_debuglog.h"
#include "pub_core_libcbase.h"
#include "pub_core_libcassert.h"
#include "pub_core_libcprint.h"
#include "pub_core_libcproc.h"
#include "pub_core_libcsignal.h"
#include "pub_core_options.h"
#include "pub_core_scheduler.h"
#include "pub_core_sigframe.h"      // For VG_(sigframe_destroy)()
#include "pub_core_signals.h"
#include "pub_core_syscall.h"
#include "pub_core_syswrap.h"
#include "pub_core_tooliface.h"

#include "priv_types_n_macros.h"
#include "priv_syswrap-generic.h"   /* for decls of generic wrappers */
#include "priv_syswrap-linux.h"     /* for decls of linux-ish wrappers */
#include "priv_syswrap-main.h"


/* ---------------------------------------------------------------------
   clone() handling
   ------------------------------------------------------------------ */

/* Call f(arg1), but first switch stacks, using 'stack' as the new
   stack, and use 'retaddr' as f's return-to address.  Also, clear all
   the integer registers before entering f.*/
__attribute__((noreturn))
void ML_(call_on_new_stack_0_1) ( Addr stack,
                                  Addr retaddr,
                                  void (*f)(Word),
                                  Word arg1 );
//    r3 = stack
//    r4 = retaddr
//    r5 = f
//    r6 = arg1
asm(
".text\n"
".globl vgModuleLocal_call_on_new_stack_0_1\n"
"vgModuleLocal_call_on_new_stack_0_1:\n"
"   mr    %r1,%r3\n\t"     // stack to %sp
"   mtlr  %r4\n\t"         // retaddr to %lr
"   mtctr %r5\n\t"         // f to count reg
"   mr %r3,%r6\n\t"        // arg1 to %r3
"   li 0,0\n\t"            // zero all GP regs
"   li 4,0\n\t"
"   li 5,0\n\t"
"   li 6,0\n\t"
"   li 7,0\n\t"
"   li 8,0\n\t"
"   li 9,0\n\t"
"   li 10,0\n\t"
"   li 11,0\n\t"
"   li 12,0\n\t"
"   li 13,0\n\t"
"   li 14,0\n\t"
"   li 15,0\n\t"
"   li 16,0\n\t"
"   li 17,0\n\t"
"   li 18,0\n\t"
"   li 19,0\n\t"
"   li 20,0\n\t"
"   li 21,0\n\t"
"   li 22,0\n\t"
"   li 23,0\n\t"
"   li 24,0\n\t"
"   li 25,0\n\t"
"   li 26,0\n\t"
"   li 27,0\n\t"
"   li 28,0\n\t"
"   li 29,0\n\t"
"   li 30,0\n\t"
"   li 31,0\n\t"
"   mtxer 0\n\t"           // CAB: Need this?
"   mtcr 0\n\t"            // CAB: Need this?
"   bctr\n\t"              // jump to dst
"   trap\n"                // should never get here
".previous\n"
);


/*
        Perform a clone system call.  clone is strange because it has
        fork()-like return-twice semantics, so it needs special
        handling here.

        Upon entry, we have:

            int (fn)(void*)     in r3
            void* child_stack   in r4
            int flags           in r5
            void* arg           in r6
            pid_t* child_tid    in r7
            pid_t* parent_tid   in r8
            void* ???           in r9

        System call requires:

            int    $__NR_clone  in r0  (sc number)
            int    flags        in r3  (sc arg1)
            void*  child_stack  in r4  (sc arg2)
            pid_t* parent_tid   in r5  (sc arg3)
            ??     child_tls    in r6  (sc arg4)
            pid_t* child_tid    in r7  (sc arg5)
            void*  ???          in r8  (sc arg6)

        Returns an Int encoded in the linux-ppc32 way, not a SysRes.
 */
#define __NR_CLONE        VG_STRINGIFY(__NR_clone)
#define __NR_EXIT         VG_STRINGIFY(__NR_exit)

// See priv_syswrap-linux.h for arg profile.
asm(
".text\n"
".globl do_syscall_clone_ppc32_linux\n"
"do_syscall_clone_ppc32_linux:\n"
"       stwu    1,-32(1)\n"
"       stw     29,20(1)\n"
"       stw     30,24(1)\n"
"       stw     31,28(1)\n"
"       mr      30,3\n"              // preserve fn
"       mr      31,6\n"              // preserve arg

        // setup child stack
"       rlwinm  4,4,0,~0xf\n"        // trim sp to multiple of 16 bytes
"       li      0,0\n"
"       stwu    0,-16(4)\n"          // make initial stack frame
"       mr      29,4\n"              // preserve sp

        // setup syscall
"       li      0,"__NR_CLONE"\n"    // syscall number
"       mr      3,5\n"               // syscall arg1: flags
        // r4 already setup          // syscall arg2: child_stack
"       mr      5,8\n"               // syscall arg3: parent_tid
"       mr      6,2\n"               // syscall arg4: REAL THREAD tls
"       mr      7,7\n"               // syscall arg5: child_tid
"       mr      8,8\n"               // syscall arg6: ????
"       mr      9,9\n"               // syscall arg7: ????

"       sc\n"                        // clone()

"       mfcr    4\n"                 // return CR in r4 (low word of ULong)
"       cmpwi   3,0\n"               // child if retval == 0
"       bne     1f\n"                // jump if !child

        /* CHILD - call thread function */
        /* Note: 2.4 kernel doesn't set the child stack pointer,
           so we do it here.
           That does leave a small window for a signal to be delivered
           on the wrong stack, unfortunately. */
"       mr      1,29\n"
"       mtctr   30\n"                // ctr reg = fn
"       mr      3,31\n"              // r3 = arg
"       bctrl\n"                     // call fn()

        // exit with result
"       li      0,"__NR_EXIT"\n"
"       sc\n"

        // Exit returned?!
"       .long   0\n"

        // PARENT or ERROR - return
"1:     lwz     29,20(1)\n"
"       lwz     30,24(1)\n"
"       lwz     31,28(1)\n"
"       addi    1,1,32\n"
"       blr\n"
".previous\n"
);

#undef __NR_CLONE
#undef __NR_EXIT


/* ---------------------------------------------------------------------
   More thread stuff
   ------------------------------------------------------------------ */

void VG_(cleanup_thread) ( ThreadArchState* arch )
{
}  

/* ---------------------------------------------------------------------
   PRE/POST wrappers for ppc32/Linux-specific syscalls
   ------------------------------------------------------------------ */

#define PRE(name)       DEFN_PRE_TEMPLATE(ppc32_linux, name)
#define POST(name)      DEFN_POST_TEMPLATE(ppc32_linux, name)

/* Add prototypes for the wrappers declared here, so that gcc doesn't
   harass us for not having prototypes.  Really this is a kludge --
   the right thing to do is to make these wrappers 'static' since they
   aren't visible outside this file, but that requires even more macro
   magic. */

DECL_TEMPLATE(ppc32_linux, sys_mmap);
DECL_TEMPLATE(ppc32_linux, sys_mmap2);
DECL_TEMPLATE(ppc32_linux, sys_stat64);
DECL_TEMPLATE(ppc32_linux, sys_lstat64);
DECL_TEMPLATE(ppc32_linux, sys_fstatat64);
DECL_TEMPLATE(ppc32_linux, sys_fstat64);
DECL_TEMPLATE(ppc32_linux, sys_sigreturn);
DECL_TEMPLATE(ppc32_linux, sys_rt_sigreturn);
DECL_TEMPLATE(ppc32_linux, sys_sigsuspend);
DECL_TEMPLATE(ppc32_linux, sys_spu_create);
DECL_TEMPLATE(ppc32_linux, sys_spu_run);

PRE(sys_mmap)
{
   SysRes r;

   PRINT("sys_mmap ( %#lx, %lu, %lu, %lu, %lu, %lu )",
         ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 );
   PRE_REG_READ6(long, "mmap",
                 unsigned long, start, unsigned long, length,
                 unsigned long, prot,  unsigned long, flags,
                 unsigned long, fd,    unsigned long, offset);

   r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 
                                       (Off64T)ARG6 );
   SET_STATUS_from_SysRes(r);
}

PRE(sys_mmap2)
{
   SysRes r;

   // Exactly like old_mmap() except:
   //  - the file offset is specified in 4K units rather than bytes,
   //    so that it can be used for files bigger than 2^32 bytes.
   PRINT("sys_mmap2 ( %#lx, %lu, %lu, %lu, %lu, %lu )",
         ARG1, ARG2, ARG3, ARG4, ARG5, ARG6 );
   PRE_REG_READ6(long, "mmap2",
                 unsigned long, start, unsigned long, length,
                 unsigned long, prot,  unsigned long, flags,
                 unsigned long, fd,    unsigned long, offset);

   r = ML_(generic_PRE_sys_mmap)( tid, ARG1, ARG2, ARG3, ARG4, ARG5, 
                                       4096 * (Off64T)ARG6 );
   SET_STATUS_from_SysRes(r);
}

// XXX: lstat64/fstat64/stat64 are generic, but not necessarily
// applicable to every architecture -- I think only to 32-bit archs.
// We're going to need something like linux/core_os32.h for such
// things, eventually, I think.  --njn
PRE(sys_stat64)
{
   PRINT("sys_stat64 ( %#lx, %#lx )",ARG1,ARG2);
   PRE_REG_READ2(long, "stat64", char *, file_name, struct stat64 *, buf);
   PRE_MEM_RASCIIZ( "stat64(file_name)", ARG1 );
   PRE_MEM_WRITE( "stat64(buf)", ARG2, sizeof(struct vki_stat64) );
}

POST(sys_stat64)
{
   POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
}

PRE(sys_lstat64)
{
   PRINT("sys_lstat64 ( %#lx(%s), %#lx )", ARG1, (HChar*)ARG1, ARG2);
   PRE_REG_READ2(long, "lstat64", char *, file_name, struct stat64 *, buf);
   PRE_MEM_RASCIIZ( "lstat64(file_name)", ARG1 );
   PRE_MEM_WRITE( "lstat64(buf)", ARG2, sizeof(struct vki_stat64) );
}

POST(sys_lstat64)
{
   vg_assert(SUCCESS);
   if (RES == 0) {
      POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
   }
}

PRE(sys_fstatat64)
{
   PRINT("sys_fstatat64 ( %ld, %#lx(%s), %#lx )", SARG1, ARG2, (HChar*)ARG2,
         ARG3);
   PRE_REG_READ3(long, "fstatat64",
                 int, dfd, char *, file_name, struct stat64 *, buf);
   PRE_MEM_RASCIIZ( "fstatat64(file_name)", ARG2 );
   PRE_MEM_WRITE( "fstatat64(buf)", ARG3, sizeof(struct vki_stat64) );
}

POST(sys_fstatat64)
{
   POST_MEM_WRITE( ARG3, sizeof(struct vki_stat64) );
}

PRE(sys_fstat64)
{
  PRINT("sys_fstat64 ( %lu, %#lx )", ARG1, ARG2);
  PRE_REG_READ2(long, "fstat64", unsigned long, fd, struct stat64 *, buf);
  PRE_MEM_WRITE( "fstat64(buf)", ARG2, sizeof(struct vki_stat64) );
}

POST(sys_fstat64)
{
  POST_MEM_WRITE( ARG2, sizeof(struct vki_stat64) );
}



//.. PRE(old_select, MayBlock)
//.. {
//..    /* struct sel_arg_struct {
//..       unsigned long n;
//..       fd_set *inp, *outp, *exp;
//..       struct timeval *tvp;
//..       };
//..    */
//..    PRE_REG_READ1(long, "old_select", struct sel_arg_struct *, args);
//..    PRE_MEM_READ( "old_select(args)", ARG1, 5*sizeof(UWord) );
//.. 
//..    {
//..       UInt* arg_struct = (UInt*)ARG1;
//..       UInt a1, a2, a3, a4, a5;
//.. 
//..       a1 = arg_struct[0];
//..       a2 = arg_struct[1];
//..       a3 = arg_struct[2];
//..       a4 = arg_struct[3];
//..       a5 = arg_struct[4];
//.. 
//..       PRINT("old_select ( %d, %p, %p, %p, %p )", a1,a2,a3,a4,a5);
//..       if (a2 != (Addr)NULL)
//.. 	 PRE_MEM_READ( "old_select(readfds)",   a2, a1/8 /* __FD_SETSIZE/8 */ );
//..       if (a3 != (Addr)NULL)
//.. 	 PRE_MEM_READ( "old_select(writefds)",  a3, a1/8 /* __FD_SETSIZE/8 */ );
//..       if (a4 != (Addr)NULL)
//.. 	 PRE_MEM_READ( "old_select(exceptfds)", a4, a1/8 /* __FD_SETSIZE/8 */ );
//..       if (a5 != (Addr)NULL)
//.. 	 PRE_MEM_READ( "old_select(timeout)", a5, sizeof(struct vki_timeval) );
//..    }
//.. }

PRE(sys_sigreturn)
{
   /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
      an explanation of what follows. */

   //ThreadState* tst;
   PRINT("sys_sigreturn ( )");

   vg_assert(VG_(is_valid_tid)(tid));
   vg_assert(tid >= 1 && tid < VG_N_THREADS);
   vg_assert(VG_(is_running_thread)(tid));

   ///* Adjust esp to point to start of frame; skip back up over
   //   sigreturn sequence's "popl %eax" and handler ret addr */
   //tst = VG_(get_ThreadState)(tid);
   //tst->arch.vex.guest_ESP -= sizeof(Addr)+sizeof(Word);
   // Should we do something equivalent on ppc32?  Who knows.

   ///* This is only so that the EIP is (might be) useful to report if
   //   something goes wrong in the sigreturn */
   //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
   // Should we do something equivalent on ppc32?  Who knows.

   /* Restore register state from frame and remove it */
   VG_(sigframe_destroy)(tid, False);

   /* Tell the driver not to update the guest state with the "result",
      and set a bogus result to keep it happy. */
   *flags |= SfNoWriteResult;
   SET_STATUS_Success(0);

   /* Check to see if any signals arose as a result of this. */
   *flags |= SfPollAfter;
}

PRE(sys_rt_sigreturn)
{
   /* See comments on PRE(sys_rt_sigreturn) in syswrap-amd64-linux.c for
      an explanation of what follows. */

   //ThreadState* tst;
   PRINT("rt_sigreturn ( )");

   vg_assert(VG_(is_valid_tid)(tid));
   vg_assert(tid >= 1 && tid < VG_N_THREADS);
   vg_assert(VG_(is_running_thread)(tid));

   ///* Adjust esp to point to start of frame; skip back up over handler
   //   ret addr */
   //tst = VG_(get_ThreadState)(tid);
   //tst->arch.vex.guest_ESP -= sizeof(Addr);
   // Should we do something equivalent on ppc32?  Who knows.

   ///* This is only so that the EIP is (might be) useful to report if
   //   something goes wrong in the sigreturn */
   //ML_(fixup_guest_state_to_restart_syscall)(&tst->arch);
   // Should we do something equivalent on ppc32?  Who knows.

   /* Restore register state from frame and remove it */
   VG_(sigframe_destroy)(tid, True);

   /* Tell the driver not to update the guest state with the "result",
      and set a bogus result to keep it happy. */
   *flags |= SfNoWriteResult;
   SET_STATUS_Success(0);

   /* Check to see if any signals arose as a result of this. */
   *flags |= SfPollAfter;
}


//.. PRE(sys_modify_ldt, Special)
//.. {
//..    PRINT("sys_modify_ldt ( %d, %p, %d )", ARG1,ARG2,ARG3);
//..    PRE_REG_READ3(int, "modify_ldt", int, func, void *, ptr,
//..                  unsigned long, bytecount);
//..    
//..    if (ARG1 == 0) {
//..       /* read the LDT into ptr */
//..       PRE_MEM_WRITE( "modify_ldt(ptr)", ARG2, ARG3 );
//..    }
//..    if (ARG1 == 1 || ARG1 == 0x11) {
//..       /* write the LDT with the entry pointed at by ptr */
//..       PRE_MEM_READ( "modify_ldt(ptr)", ARG2, sizeof(vki_modify_ldt_t) );
//..    }
//..    /* "do" the syscall ourselves; the kernel never sees it */
//..    SET_RESULT( VG_(sys_modify_ldt)( tid, ARG1, (void*)ARG2, ARG3 ) );
//.. 
//..    if (ARG1 == 0 && !VG_(is_kerror)(RES) && RES > 0) {
//..       POST_MEM_WRITE( ARG2, RES );
//..    }
//.. }

//.. PRE(sys_set_thread_area, Special)
//.. {
//..    PRINT("sys_set_thread_area ( %p )", ARG1);
//..    PRE_REG_READ1(int, "set_thread_area", struct user_desc *, u_info)
//..    PRE_MEM_READ( "set_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) );
//.. 
//..    /* "do" the syscall ourselves; the kernel never sees it */
//..    SET_RESULT( VG_(sys_set_thread_area)( tid, (void *)ARG1 ) );
//.. }

//.. PRE(sys_get_thread_area, Special)
//.. {
//..    PRINT("sys_get_thread_area ( %p )", ARG1);
//..    PRE_REG_READ1(int, "get_thread_area", struct user_desc *, u_info)
//..    PRE_MEM_WRITE( "get_thread_area(u_info)", ARG1, sizeof(vki_modify_ldt_t) );
//.. 
//..    /* "do" the syscall ourselves; the kernel never sees it */
//..    SET_RESULT( VG_(sys_get_thread_area)( tid, (void *)ARG1 ) );
//.. 
//..    if (!VG_(is_kerror)(RES)) {
//..       POST_MEM_WRITE( ARG1, sizeof(vki_modify_ldt_t) );
//..    }
//.. }

//.. // Parts of this are ppc32-specific, but the *PEEK* cases are generic.
//.. // XXX: Why is the memory pointed to by ARG3 never checked?
//.. PRE(sys_ptrace, 0)
//.. {
//..    PRINT("sys_ptrace ( %d, %d, %p, %p )", ARG1,ARG2,ARG3,ARG4);
//..    PRE_REG_READ4(int, "ptrace", 
//..                  long, request, long, pid, long, addr, long, data);
//..    switch (ARG1) {
//..    case VKI_PTRACE_PEEKTEXT:
//..    case VKI_PTRACE_PEEKDATA:
//..    case VKI_PTRACE_PEEKUSR:
//..       PRE_MEM_WRITE( "ptrace(peek)", ARG4, 
//.. 		     sizeof (long));
//..       break;
//..    case VKI_PTRACE_GETREGS:
//..       PRE_MEM_WRITE( "ptrace(getregs)", ARG4, 
//.. 		     sizeof (struct vki_user_regs_struct));
//..       break;
//..    case VKI_PTRACE_GETFPREGS:
//..       PRE_MEM_WRITE( "ptrace(getfpregs)", ARG4, 
//.. 		     sizeof (struct vki_user_i387_struct));
//..       break;
//..    case VKI_PTRACE_GETFPXREGS:
//..       PRE_MEM_WRITE( "ptrace(getfpxregs)", ARG4, 
//..                      sizeof(struct vki_user_fxsr_struct) );
//..       break;
//..    case VKI_PTRACE_SETREGS:
//..       PRE_MEM_READ( "ptrace(setregs)", ARG4, 
//.. 		     sizeof (struct vki_user_regs_struct));
//..       break;
//..    case VKI_PTRACE_SETFPREGS:
//..       PRE_MEM_READ( "ptrace(setfpregs)", ARG4, 
//.. 		     sizeof (struct vki_user_i387_struct));
//..       break;
//..    case VKI_PTRACE_SETFPXREGS:
//..       PRE_MEM_READ( "ptrace(setfpxregs)", ARG4, 
//..                      sizeof(struct vki_user_fxsr_struct) );
//..       break;
//..    default:
//..       break;
//..    }
//.. }

//.. POST(sys_ptrace)
//.. {
//..    switch (ARG1) {
//..    case VKI_PTRACE_PEEKTEXT:
//..    case VKI_PTRACE_PEEKDATA:
//..    case VKI_PTRACE_PEEKUSR:
//..       POST_MEM_WRITE( ARG4, sizeof (long));
//..       break;
//..    case VKI_PTRACE_GETREGS:
//..       POST_MEM_WRITE( ARG4, sizeof (struct vki_user_regs_struct));
//..       break;
//..    case VKI_PTRACE_GETFPREGS:
//..       POST_MEM_WRITE( ARG4, sizeof (struct vki_user_i387_struct));
//..       break;
//..    case VKI_PTRACE_GETFPXREGS:
//..       POST_MEM_WRITE( ARG4, sizeof(struct vki_user_fxsr_struct) );
//..       break;
//..    default:
//..       break;
//..    }
//.. }

/* NB: This is an almost identical clone of versions for x86-linux and
   arm-linux, which are themselves literally identical. */
PRE(sys_sigsuspend)
{
   /* The C library interface to sigsuspend just takes a pointer to
      a signal mask but this system call only takes the first word of
      the signal mask as an argument so only 32 signals are supported.
     
      In fact glibc normally uses rt_sigsuspend if it is available as
      that takes a pointer to the signal mask so supports more signals.
    */
   *flags |= SfMayBlock;
   PRINT("sys_sigsuspend ( %lu )", ARG1 );
   PRE_REG_READ1(int, "sigsuspend", vki_old_sigset_t, mask);
}

PRE(sys_spu_create)
{
   PRE_MEM_RASCIIZ("stat64(filename)", ARG1);
}
POST(sys_spu_create)
{
   vg_assert(SUCCESS);
}

PRE(sys_spu_run)
{
   *flags |= SfMayBlock;
   if (ARG2 != 0)
      PRE_MEM_WRITE("npc", ARG2, sizeof(unsigned int));
   PRE_MEM_READ("event", ARG3, sizeof(unsigned int));
}
POST(sys_spu_run)
{
   if (ARG2 != 0)
      POST_MEM_WRITE(ARG2, sizeof(unsigned int));
}

#undef PRE
#undef POST

/* ---------------------------------------------------------------------
   The ppc32/Linux syscall table
   ------------------------------------------------------------------ */

/* Add an ppc32-linux specific wrapper to a syscall table. */
#define PLAX_(sysno, name)    WRAPPER_ENTRY_X_(ppc32_linux, sysno, name) 
#define PLAXY(sysno, name)    WRAPPER_ENTRY_XY(ppc32_linux, sysno, name)

// This table maps from __NR_xxx syscall numbers (from
// linux/include/asm-ppc/unistd.h) to the appropriate PRE/POST sys_foo()
// wrappers on ppc32 (as per sys_call_table in linux/arch/ppc/kernel/entry.S).
//
// For those syscalls not handled by Valgrind, the annotation indicate its
// arch/OS combination, eg. */* (generic), */Linux (Linux only), ?/?
// (unknown).

static SyscallTableEntry syscall_table[] = {
//..   (restart_syscall)                                      // 0
   GENX_(__NR_exit,              sys_exit),              // 1
   GENX_(__NR_fork,              sys_fork),              // 2
   GENXY(__NR_read,              sys_read),              // 3
   GENX_(__NR_write,             sys_write),             // 4

   GENXY(__NR_open,              sys_open),              // 5
   GENXY(__NR_close,             sys_close),             // 6
   GENXY(__NR_waitpid,           sys_waitpid),           // 7
   GENXY(__NR_creat,             sys_creat),             // 8
   GENX_(__NR_link,              sys_link),              // 9

   GENX_(__NR_unlink,            sys_unlink),            // 10
   GENX_(__NR_execve,            sys_execve),            // 11
   GENX_(__NR_chdir,             sys_chdir),             // 12
   GENXY(__NR_time,              sys_time),              // 13
   GENX_(__NR_mknod,             sys_mknod),             // 14
//.. 
   GENX_(__NR_chmod,             sys_chmod),             // 15
   GENX_(__NR_lchown,            sys_lchown),          // 16 ## P
//..    GENX_(__NR_break,             sys_ni_syscall),        // 17
//..    //   (__NR_oldstat,           sys_stat),              // 18 (obsolete)
   LINX_(__NR_lseek,             sys_lseek),             // 19
//.. 
   GENX_(__NR_getpid,            sys_getpid),            // 20
   LINX_(__NR_mount,             sys_mount),             // 21
   LINX_(__NR_umount,            sys_oldumount),         // 22
   GENX_(__NR_setuid,            sys_setuid),            // 23 ## P
   GENX_(__NR_getuid,            sys_getuid),            // 24 ## P
//.. 
//..    //   (__NR_stime,             sys_stime),             // 25 * (SVr4,SVID,X/OPEN)
//..    PLAXY(__NR_ptrace,            sys_ptrace),            // 26
   GENX_(__NR_alarm,             sys_alarm),             // 27
//..    //   (__NR_oldfstat,          sys_fstat),             // 28 * L -- obsolete
   GENX_(__NR_pause,             sys_pause),             // 29
//.. 
   LINX_(__NR_utime,             sys_utime),                  // 30
//..    GENX_(__NR_stty,              sys_ni_syscall),        // 31
//..    GENX_(__NR_gtty,              sys_ni_syscall),        // 32
   GENX_(__NR_access,            sys_access),            // 33
//..    GENX_(__NR_nice,              sys_nice),              // 34
//.. 
//..    GENX_(__NR_ftime,             sys_ni_syscall),        // 35
   GENX_(__NR_sync,              sys_sync),              // 36
   GENX_(__NR_kill,              sys_kill),              // 37
   GENX_(__NR_rename,            sys_rename),            // 38
   GENX_(__NR_mkdir,             sys_mkdir),             // 39

   GENX_(__NR_rmdir,             sys_rmdir),             // 40
   GENXY(__NR_dup,               sys_dup),               // 41
   LINXY(__NR_pipe,              sys_pipe),              // 42
   GENXY(__NR_times,             sys_times),             // 43
//..    GENX_(__NR_prof,              sys_ni_syscall),        // 44
//.. 
   GENX_(__NR_brk,               sys_brk),               // 45
   GENX_(__NR_setgid,            sys_setgid),            // 46
   GENX_(__NR_getgid,            sys_getgid),            // 47
//..    //   (__NR_signal,            sys_signal),            // 48 */* (ANSI C)
   GENX_(__NR_geteuid,           sys_geteuid),           // 49

   GENX_(__NR_getegid,           sys_getegid),           // 50
//..    GENX_(__NR_acct,              sys_acct),              // 51
   LINX_(__NR_umount2,           sys_umount),            // 52
//..    GENX_(__NR_lock,              sys_ni_syscall),        // 53
   LINXY(__NR_ioctl,             sys_ioctl),             // 54
//.. 
   LINXY(__NR_fcntl,             sys_fcntl),             // 55
//..    GENX_(__NR_mpx,               sys_ni_syscall),        // 56
   GENX_(__NR_setpgid,           sys_setpgid),           // 57
//..    GENX_(__NR_ulimit,            sys_ni_syscall),        // 58
//..    //   (__NR_oldolduname,       sys_olduname),          // 59 Linux -- obsolete

   GENX_(__NR_umask,             sys_umask),             // 60
   GENX_(__NR_chroot,            sys_chroot),            // 61
//..    //   (__NR_ustat,             sys_ustat)              // 62 SVr4 -- deprecated
   GENXY(__NR_dup2,              sys_dup2),              // 63
   GENX_(__NR_getppid,           sys_getppid),           // 64

   GENX_(__NR_getpgrp,           sys_getpgrp),           // 65
   GENX_(__NR_setsid,            sys_setsid),            // 66
   LINXY(__NR_sigaction,         sys_sigaction),         // 67
//..    //   (__NR_sgetmask,          sys_sgetmask),          // 68 */* (ANSI C)
//..    //   (__NR_ssetmask,          sys_ssetmask),          // 69 */* (ANSI C)
//.. 
   GENX_(__NR_setreuid,          sys_setreuid),          // 70
   GENX_(__NR_setregid,          sys_setregid),          // 71
   PLAX_(__NR_sigsuspend,        sys_sigsuspend),        // 72
   LINXY(__NR_sigpending,        sys_sigpending),        // 73
//..    //   (__NR_sethostname,       sys_sethostname),       // 74 */*
//.. 
   GENX_(__NR_setrlimit,         sys_setrlimit),              // 75
//..    GENXY(__NR_getrlimit,         sys_old_getrlimit),     // 76
   GENXY(__NR_getrusage,         sys_getrusage),         // 77
   GENXY(__NR_gettimeofday,      sys_gettimeofday),           // 78
//..    GENX_(__NR_settimeofday,      sys_settimeofday),      // 79
//.. 
   GENXY(__NR_getgroups,         sys_getgroups),         // 80
   GENX_(__NR_setgroups,         sys_setgroups),         // 81
//..    PLAX_(__NR_select,            old_select),            // 82
   GENX_(__NR_symlink,           sys_symlink),           // 83
//..    //   (__NR_oldlstat,          sys_lstat),             // 84 -- obsolete
//.. 
   GENX_(__NR_readlink,          sys_readlink),          // 85
//..    //   (__NR_uselib,            sys_uselib),            // 86 */Linux
//..    //   (__NR_swapon,            sys_swapon),            // 87 */Linux
//..    //   (__NR_reboot,            sys_reboot),            // 88 */Linux
//..    //   (__NR_readdir,           old_readdir),           // 89 -- superseded

   PLAX_(__NR_mmap,              sys_mmap),                   // 90
   GENXY(__NR_munmap,            sys_munmap),                 // 91
   GENX_(__NR_truncate,          sys_truncate),          // 92
   GENX_(__NR_ftruncate,         sys_ftruncate),         // 93
   GENX_(__NR_fchmod,            sys_fchmod),            // 94

   GENX_(__NR_fchown,            sys_fchown),            // 95
   GENX_(__NR_getpriority,       sys_getpriority),       // 96
   GENX_(__NR_setpriority,       sys_setpriority),       // 97
//..    GENX_(__NR_profil,            sys_ni_syscall),        // 98
   GENXY(__NR_statfs,            sys_statfs),            // 99
//.. 
   GENXY(__NR_fstatfs,           sys_fstatfs),           // 100
//..    LINX_(__NR_ioperm,            sys_ioperm),            // 101
   LINXY(__NR_socketcall,        sys_socketcall),        // 102
   LINXY(__NR_syslog,            sys_syslog),            // 103
   GENXY(__NR_setitimer,         sys_setitimer),         // 104

   GENXY(__NR_getitimer,         sys_getitimer),         // 105
   GENXY(__NR_stat,              sys_newstat),           // 106
   GENXY(__NR_lstat,             sys_newlstat),          // 107
   GENXY(__NR_fstat,             sys_newfstat),          // 108
//..    //   (__NR_olduname,          sys_uname),             // 109 -- obsolete
//.. 
//..    GENX_(__NR_iopl,              sys_iopl),              // 110
   LINX_(__NR_vhangup,           sys_vhangup),           // 111
//..    GENX_(__NR_idle,              sys_ni_syscall),        // 112
//..    //   (__NR_vm86old,           sys_vm86old),           // 113 x86/Linux-only
   GENXY(__NR_wait4,             sys_wait4),             // 114
//.. 
//..    //   (__NR_swapoff,           sys_swapoff),           // 115 */Linux 
   LINXY(__NR_sysinfo,           sys_sysinfo),           // 116
   LINXY(__NR_ipc,               sys_ipc),               // 117
   GENX_(__NR_fsync,             sys_fsync),             // 118
   PLAX_(__NR_sigreturn,         sys_sigreturn),         // 119 ?/Linux
//.. 
   LINX_(__NR_clone,             sys_clone),             // 120
//..    //   (__NR_setdomainname,     sys_setdomainname),     // 121 */*(?)
   GENXY(__NR_uname,             sys_newuname),          // 122
//..    PLAX_(__NR_modify_ldt,        sys_modify_ldt),        // 123
   LINXY(__NR_adjtimex,          sys_adjtimex),          // 124

   GENXY(__NR_mprotect,          sys_mprotect),          // 125
   LINXY(__NR_sigprocmask,       sys_sigprocmask),       // 126
   GENX_(__NR_create_module,     sys_ni_syscall),        // 127
   LINX_(__NR_init_module,       sys_init_module),       // 128
   LINX_(__NR_delete_module,     sys_delete_module),     // 129
//.. 
//..    // Nb: get_kernel_syms() was removed 2.4-->2.6
//..    GENX_(__NR_get_kernel_syms,   sys_ni_syscall),        // 130
//..    LINX_(__NR_quotactl,          sys_quotactl),          // 131
   GENX_(__NR_getpgid,           sys_getpgid),           // 132
   GENX_(__NR_fchdir,            sys_fchdir),            // 133
//..    //   (__NR_bdflush,           sys_bdflush),           // 134 */Linux
//.. 
//..    //   (__NR_sysfs,             sys_sysfs),             // 135 SVr4
   LINX_(__NR_personality,       sys_personality),       // 136
//..    GENX_(__NR_afs_syscall,       sys_ni_syscall),        // 137
   LINX_(__NR_setfsuid,          sys_setfsuid),          // 138
   LINX_(__NR_setfsgid,          sys_setfsgid),          // 139

   LINXY(__NR__llseek,           sys_llseek),            // 140
   GENXY(__NR_getdents,          sys_getdents),          // 141
   GENX_(__NR__newselect,        sys_select),            // 142
   GENX_(__NR_flock,             sys_flock),             // 143
   GENX_(__NR_msync,             sys_msync),             // 144
//.. 
   GENXY(__NR_readv,             sys_readv),             // 145
   GENX_(__NR_writev,            sys_writev),            // 146
   GENX_(__NR_getsid,            sys_getsid),            // 147
   GENX_(__NR_fdatasync,         sys_fdatasync),         // 148
   LINXY(__NR__sysctl,           sys_sysctl),            // 149
//.. 
   GENX_(__NR_mlock,             sys_mlock),             // 150
   GENX_(__NR_munlock,           sys_munlock),           // 151
   GENX_(__NR_mlockall,          sys_mlockall),          // 152
   LINX_(__NR_munlockall,        sys_munlockall),        // 153
   LINXY(__NR_sched_setparam,    sys_sched_setparam),    // 154
//.. 
   LINXY(__NR_sched_getparam,         sys_sched_getparam),        // 155
   LINX_(__NR_sched_setscheduler,     sys_sched_setscheduler),    // 156
   LINX_(__NR_sched_getscheduler,     sys_sched_getscheduler),    // 157
   LINX_(__NR_sched_yield,            sys_sched_yield),           // 158
   LINX_(__NR_sched_get_priority_max, sys_sched_get_priority_max),// 159

   LINX_(__NR_sched_get_priority_min, sys_sched_get_priority_min),// 160
   LINXY(__NR_sched_rr_get_interval,  sys_sched_rr_get_interval), // 161
   GENXY(__NR_nanosleep,         sys_nanosleep),         // 162
   GENX_(__NR_mremap,            sys_mremap),            // 163
   LINX_(__NR_setresuid,         sys_setresuid),         // 164

   LINXY(__NR_getresuid,         sys_getresuid),         // 165

//..    GENX_(__NR_query_module,      sys_ni_syscall),        // 166
   GENXY(__NR_poll,              sys_poll),              // 167
//..    //   (__NR_nfsservctl,        sys_nfsservctl),        // 168 */Linux
//.. 
   LINX_(__NR_setresgid,         sys_setresgid),         // 169
   LINXY(__NR_getresgid,         sys_getresgid),         // 170
   LINXY(__NR_prctl,             sys_prctl),             // 171
   PLAX_(__NR_rt_sigreturn,      sys_rt_sigreturn),      // 172
   LINXY(__NR_rt_sigaction,      sys_rt_sigaction),      // 173

   LINXY(__NR_rt_sigprocmask,    sys_rt_sigprocmask),    // 174
   LINXY(__NR_rt_sigpending,     sys_rt_sigpending),     // 175
   LINXY(__NR_rt_sigtimedwait,   sys_rt_sigtimedwait),   // 176
   LINXY(__NR_rt_sigqueueinfo,   sys_rt_sigqueueinfo),   // 177
   LINX_(__NR_rt_sigsuspend,     sys_rt_sigsuspend),     // 178

   GENXY(__NR_pread64,           sys_pread64),           // 179
   GENX_(__NR_pwrite64,          sys_pwrite64),          // 180
   GENX_(__NR_chown,             sys_chown),             // 181
   GENXY(__NR_getcwd,            sys_getcwd),            // 182
   LINXY(__NR_capget,            sys_capget),            // 183
   LINX_(__NR_capset,            sys_capset),            // 184
   GENXY(__NR_sigaltstack,       sys_sigaltstack),       // 185
   LINXY(__NR_sendfile,          sys_sendfile),          // 186
//..    GENXY(__NR_getpmsg,           sys_getpmsg),           // 187
//..    GENX_(__NR_putpmsg,           sys_putpmsg),           // 188

   // Nb: we treat vfork as fork
   GENX_(__NR_vfork,             sys_fork),              // 189
   GENXY(__NR_ugetrlimit,        sys_getrlimit),         // 190
   LINX_(__NR_readahead,         sys_readahead),         // 191 */Linux
   PLAX_(__NR_mmap2,             sys_mmap2),             // 192
   GENX_(__NR_truncate64,        sys_truncate64),        // 193
   GENX_(__NR_ftruncate64,       sys_ftruncate64),       // 194
//..    

   PLAXY(__NR_stat64,            sys_stat64),            // 195
   PLAXY(__NR_lstat64,           sys_lstat64),           // 196
   PLAXY(__NR_fstat64,           sys_fstat64),           // 197

// __NR_pciconfig_read                                        // 198
// __NR_pciconfig_write                                       // 199
// __NR_pciconfig_iobase                                      // 200
// __NR_multiplexer                                           // 201

   GENXY(__NR_getdents64,        sys_getdents64),        // 202
   LINX_(__NR_pivot_root,        sys_pivot_root),        // 203
   LINXY(__NR_fcntl64,           sys_fcntl64),           // 204
   GENX_(__NR_madvise,           sys_madvise),           // 205
   GENXY(__NR_mincore,           sys_mincore),           // 206
   LINX_(__NR_gettid,            sys_gettid),            // 207
//..    LINX_(__NR_tkill,             sys_tkill),             // 208 */Linux
   LINX_(__NR_setxattr,          sys_setxattr),          // 209
   LINX_(__NR_lsetxattr,         sys_lsetxattr),         // 210
   LINX_(__NR_fsetxattr,         sys_fsetxattr),         // 211
   LINXY(__NR_getxattr,          sys_getxattr),          // 212
   LINXY(__NR_lgetxattr,         sys_lgetxattr),         // 213
   LINXY(__NR_fgetxattr,         sys_fgetxattr),         // 214
   LINXY(__NR_listxattr,         sys_listxattr),         // 215
   LINXY(__NR_llistxattr,        sys_llistxattr),        // 216
   LINXY(__NR_flistxattr,        sys_flistxattr),        // 217
   LINX_(__NR_removexattr,       sys_removexattr),       // 218
   LINX_(__NR_lremovexattr,      sys_lremovexattr),      // 219
   LINX_(__NR_fremovexattr,      sys_fremovexattr),      // 220

   LINXY(__NR_futex,             sys_futex),                  // 221
   LINX_(__NR_sched_setaffinity, sys_sched_setaffinity), // 222
   LINXY(__NR_sched_getaffinity, sys_sched_getaffinity), // 223
/* 224 currently unused */

// __NR_tuxcall                                               // 225

   LINXY(__NR_sendfile64,        sys_sendfile64),        // 226
//.. 
   LINX_(__NR_io_setup,          sys_io_setup),          // 227
   LINX_(__NR_io_destroy,        sys_io_destroy),        // 228
   LINXY(__NR_io_getevents,      sys_io_getevents),      // 229
   LINX_(__NR_io_submit,         sys_io_submit),         // 230
   LINXY(__NR_io_cancel,         sys_io_cancel),         // 231
//.. 
   LINX_(__NR_set_tid_address,   sys_set_tid_address),   // 232

   LINX_(__NR_fadvise64,         sys_fadvise64),         // 233 */(Linux?)
   LINX_(__NR_exit_group,        sys_exit_group),        // 234
//..    GENXY(__NR_lookup_dcookie,    sys_lookup_dcookie),    // 235
   LINXY(__NR_epoll_create,      sys_epoll_create),      // 236
   LINX_(__NR_epoll_ctl,         sys_epoll_ctl),         // 237
   LINXY(__NR_epoll_wait,        sys_epoll_wait),        // 238

//..    //   (__NR_remap_file_pages,  sys_remap_file_pages),  // 239 */Linux
   LINXY(__NR_timer_create,      sys_timer_create),      // 240
   LINXY(__NR_timer_settime,     sys_timer_settime),     // 241
   LINXY(__NR_timer_gettime,     sys_timer_gettime),     // 242
   LINX_(__NR_timer_getoverrun,  sys_timer_getoverrun),  // 243
   LINX_(__NR_timer_delete,      sys_timer_delete),      // 244
   LINX_(__NR_clock_settime,     sys_clock_settime),     // 245
   LINXY(__NR_clock_gettime,     sys_clock_gettime),     // 246
   LINXY(__NR_clock_getres,      sys_clock_getres),      // 247
   LINXY(__NR_clock_nanosleep,   sys_clock_nanosleep),   // 248

// __NR_swapcontext                                           // 249

   LINXY(__NR_tgkill,            sys_tgkill),            // 250 */Linux
//..    GENX_(__NR_utimes,            sys_utimes),            // 251
   GENXY(__NR_statfs64,          sys_statfs64),          // 252
   GENXY(__NR_fstatfs64,         sys_fstatfs64),         // 253
   LINX_(__NR_fadvise64_64,      sys_fadvise64_64),      // 254 */(Linux?)

// __NR_rtas                                                  // 255

/* Number 256 is reserved for sys_debug_setcontext */
/* Number 257 is reserved for vserver */
/* Number 258 is reserved for new sys_remap_file_pages */
   LINX_(__NR_mbind,             sys_mbind),             // 259
   LINXY(__NR_get_mempolicy,     sys_get_mempolicy),          // 260
   LINX_(__NR_set_mempolicy,     sys_set_mempolicy),          // 261

   LINXY(__NR_mq_open,           sys_mq_open),           // 262
   LINX_(__NR_mq_unlink,         sys_mq_unlink),         // 263
   LINX_(__NR_mq_timedsend,      sys_mq_timedsend),      // 264
   LINXY(__NR_mq_timedreceive,   sys_mq_timedreceive),   // 265
   LINX_(__NR_mq_notify,         sys_mq_notify),         // 266
   LINXY(__NR_mq_getsetattr,     sys_mq_getsetattr),     // 267
// __NR_kexec_load                                            // 268

/* Number 269 is reserved for sys_add_key */
/* Number 270 is reserved for sys_request_key */
/* Number 271 is reserved for sys_keyctl */
/* Number 272 is reserved for sys_waitid */
   LINX_(__NR_ioprio_set,        sys_ioprio_set),         // 273
   LINX_(__NR_ioprio_get,        sys_ioprio_get),         // 274

   LINX_(__NR_inotify_init,  sys_inotify_init),               // 275
   LINX_(__NR_inotify_add_watch,  sys_inotify_add_watch),     // 276
   LINX_(__NR_inotify_rm_watch,   sys_inotify_rm_watch),      // 277
   PLAXY(__NR_spu_run,            sys_spu_run),               // 278
   PLAX_(__NR_spu_create,         sys_spu_create),            // 279

   LINXY(__NR_pselect6,          sys_pselect6),          // 280
   LINXY(__NR_ppoll,             sys_ppoll),             // 281

   LINXY(__NR_openat,            sys_openat),            // 286
   LINX_(__NR_mkdirat,           sys_mkdirat),           // 287
   LINX_(__NR_mknodat,           sys_mknodat),           // 288
   LINX_(__NR_fchownat,          sys_fchownat),          // 289
   LINX_(__NR_futimesat,         sys_futimesat),         // 290
   PLAXY(__NR_fstatat64,         sys_fstatat64),         // 291
   LINX_(__NR_unlinkat,          sys_unlinkat),          // 292
   LINX_(__NR_renameat,          sys_renameat),          // 293
   LINX_(__NR_linkat,            sys_linkat),            // 294
   LINX_(__NR_symlinkat,         sys_symlinkat),         // 295
   LINX_(__NR_readlinkat,        sys_readlinkat),        // 296
   LINX_(__NR_fchmodat,          sys_fchmodat),          // 297
   LINX_(__NR_faccessat,         sys_faccessat),         // 298
   LINX_(__NR_set_robust_list,   sys_set_robust_list),   // 299
   LINXY(__NR_get_robust_list,   sys_get_robust_list),   // 300
   LINXY(__NR_move_pages,        sys_move_pages),        // 301
   LINXY(__NR_getcpu,            sys_getcpu),            // 302
   LINXY(__NR_epoll_pwait,       sys_epoll_pwait),       // 303
   LINX_(__NR_utimensat,         sys_utimensat),         // 304
   LINXY(__NR_signalfd,          sys_signalfd),          // 305
   LINXY(__NR_timerfd_create,    sys_timerfd_create),    // 306
   LINXY(__NR_eventfd,           sys_eventfd),           // 307
   LINX_(__NR_sync_file_range2,  sys_sync_file_range2),  // 308
   LINX_(__NR_fallocate,         sys_fallocate),         // 309
//   LINXY(__NR_subpage_prot,       sys_ni_syscall),       // 310
   LINXY(__NR_timerfd_settime,   sys_timerfd_settime),  // 311
   LINXY(__NR_timerfd_gettime,   sys_timerfd_gettime),  // 312
   LINXY(__NR_signalfd4,         sys_signalfd4),        // 313
   LINXY(__NR_eventfd2,          sys_eventfd2),         // 314
   LINXY(__NR_epoll_create1,     sys_epoll_create1),    // 315
   LINXY(__NR_dup3,              sys_dup3),             // 316
   LINXY(__NR_pipe2,             sys_pipe2),            // 317
   LINXY(__NR_inotify_init1,     sys_inotify_init1),    // 318
   LINXY(__NR_perf_event_open,   sys_perf_event_open),  // 319
   LINXY(__NR_preadv,            sys_preadv),           // 320
   LINX_(__NR_pwritev,           sys_pwritev),          // 321
   LINXY(__NR_rt_tgsigqueueinfo, sys_rt_tgsigqueueinfo),// 322

   LINXY(__NR_socket,            sys_socket),           // 326
   LINX_(__NR_bind,              sys_bind),             // 327
   LINX_(__NR_connect,           sys_connect),          // 328
   LINX_(__NR_listen,            sys_listen),           // 329
   LINXY(__NR_accept,            sys_accept),           // 330
   LINXY(__NR_getsockname,       sys_getsockname),      // 331
   LINXY(__NR_getpeername,       sys_getpeername),      // 332

   LINX_(__NR_send,              sys_send),             // 334
   LINX_(__NR_sendto,            sys_sendto),           // 335
   LINXY(__NR_recv,              sys_recv),             // 336
   LINXY(__NR_recvfrom,          sys_recvfrom),         // 337
   LINX_(__NR_shutdown,          sys_shutdown),         // 338
   LINX_(__NR_setsockopt,        sys_setsockopt),       // 339

   LINXY(__NR_recvmmsg,          sys_recvmmsg),         // 343
   LINXY(__NR_accept4,           sys_accept4),          // 344

   LINX_(__NR_clock_adjtime,     sys_clock_adjtime),    // 347
   LINX_(__NR_syncfs,            sys_syncfs),           // 348
   LINXY(__NR_sendmmsg,          sys_sendmmsg),         // 349

   LINXY(__NR_process_vm_readv,  sys_process_vm_readv), // 351
   LINX_(__NR_process_vm_writev, sys_process_vm_writev),// 352

   LINXY(__NR_getrandom,         sys_getrandom),        // 359
   LINXY(__NR_memfd_create,      sys_memfd_create)      // 360
};

SyscallTableEntry* ML_(get_linux_syscall_entry) ( UInt sysno )
{
   const UInt syscall_table_size
      = sizeof(syscall_table) / sizeof(syscall_table[0]);

   /* Is it in the contiguous initial section of the table? */
   if (sysno < syscall_table_size) {
      SyscallTableEntry* sys = &syscall_table[sysno];
      if (sys->before == NULL)
         return NULL; /* no entry */
      else
         return sys;
   }

   /* Can't find a wrapper */
   return NULL;
}

#endif // defined(VGP_ppc32_linux)

/*--------------------------------------------------------------------*/
/*--- end                                                          ---*/
/*--------------------------------------------------------------------*/