arch/x86/kernel/syscall_32.c

   1 /* System call table for i386. */
   2
   3 #include <linux/linkage.h>
   4 #include <linux/sys.h>
   5 #include <linux/cache.h>
   6 #include <asm/asm-offsets.h>
   7
   8 #ifdef CONFIG_IA32_EMULATION
   9 #define SYM(sym, compat) compat
  10 #else
  11 #define SYM(sym, compat) sym
  12 #define ia32_sys_call_table sys_call_table
  13 #define __NR_ia32_syscall_max __NR_syscall_max
  14 #endif
  15
  16 #define __SYSCALL_I386(nr, sym, compat) extern asmlinkage void SYM(sym, compat)(void) ;
  17 #include <asm/syscalls_32.h>
  18 #undef __SYSCALL_I386
  19
  20 #define __SYSCALL_I386(nr, sym, compat) [nr] = SYM(sym, compat),
  21
  22 typedef asmlinkage void (*sys_call_ptr_t)(void);
  23
  24 extern asmlinkage void sys_ni_syscall(void);
  25
  26 __visible const sys_call_ptr_t ia32_sys_call_table[__NR_ia32_syscall_max+1] = {
  27         /*
  28          * Smells like a compiler bug -- it doesn't work
  29          * when the & below is removed.
  30          */
  31         [0 ... __NR_ia32_syscall_max] = &sys_ni_syscall,
  32 #include <asm/syscalls_32.h>
  33 };