arch/powerpc/kernel/systbl.c

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3  * This file contains the table of syscall-handling functions.
   4  *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
   5  *
   6  * Largely rewritten by Cort Dougan (cort@cs.nmt.edu)
   7  * and Paul Mackerras.
   8  *
   9  * Adapted for iSeries by Mike Corrigan (mikejc@us.ibm.com)
  10  * PPC64 updates by Dave Engebretsen (engebret@us.ibm.com)
  11  */
  12
  13 #include <linux/syscalls.h>
  14 #include <linux/compat.h>
  15 #include <asm/unistd.h>
  16 #include <asm/syscalls.h>
  17
  18 #undef __SYSCALL_WITH_COMPAT
  19 #define __SYSCALL_WITH_COMPAT(nr, entry, compat) __SYSCALL(nr, entry)
  20
  21 #undef __SYSCALL
  22 #ifdef CONFIG_ARCH_HAS_SYSCALL_WRAPPER
  23 #define __SYSCALL(nr, entry) [nr] = entry,
  24 #else
  25 /*
  26  * Coerce syscall handlers with arbitrary parameters to common type
  27  * requires cast to void* to avoid -Wcast-function-type.
  28  */
  29 #define __SYSCALL(nr, entry) [nr] = (void *) entry,
  30 #endif
  31
  32 const syscall_fn sys_call_table[] = {
  33 #ifdef CONFIG_PPC64
  34 #include <asm/syscall_table_64.h>
  35 #else
  36 #include <asm/syscall_table_32.h>
  37 #endif
  38 };
  39
  40 #ifdef CONFIG_COMPAT
  41 #undef __SYSCALL_WITH_COMPAT
  42 #define __SYSCALL_WITH_COMPAT(nr, native, compat)       __SYSCALL(nr, compat)
  43 const syscall_fn compat_sys_call_table[] = {
  44 #include <asm/syscall_table_32.h>
  45 };
  46 #endif /* CONFIG_COMPAT */