include/asm-cris/arch-v10/unistd.h

   1 #ifndef _ASM_CRIS_ARCH_UNISTD_H_
   2 #define _ASM_CRIS_ARCH_UNISTD_H_
   3
   4 /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
   5 /*
   6  * Don't remove the .ifnc tests; they are an insurance against
   7  * any hard-to-spot gcc register allocation bugs.
   8  */
   9 #define _syscall0(type,name) \
  10 type name(void) \
  11 { \
  12   register long __a __asm__ ("r10"); \
  13   register long __n_ __asm__ ("r9") = (__NR_##name); \
  14   __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
  15                         ".err\n\t" \
  16                         ".endif\n\t" \
  17                         "break 13" \
  18                         : "=r" (__a) \
  19                         : "r" (__n_)); \
  20   if (__a >= 0) \
  21      return (type) __a; \
  22   errno = -__a; \
  23   return (type) -1; \
  24 }
  25
  26 #define _syscall1(type,name,type1,arg1) \
  27 type name(type1 arg1) \
  28 { \
  29   register long __a __asm__ ("r10") = (long) arg1; \
  30   register long __n_ __asm__ ("r9") = (__NR_##name); \
  31   __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
  32                         ".err\n\t" \
  33                         ".endif\n\t" \
  34                         "break 13" \
  35                         : "=r" (__a) \
  36                         : "r" (__n_), "0" (__a)); \
  37   if (__a >= 0) \
  38      return (type) __a; \
  39   errno = -__a; \
  40   return (type) -1; \
  41 }
  42
  43 #define _syscall2(type,name,type1,arg1,type2,arg2) \
  44 type name(type1 arg1,type2 arg2) \
  45 { \
  46   register long __a __asm__ ("r10") = (long) arg1; \
  47   register long __b __asm__ ("r11") = (long) arg2; \
  48   register long __n_ __asm__ ("r9") = (__NR_##name); \
  49   __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \
  50                         ".err\n\t" \
  51                         ".endif\n\t" \
  52                         "break 13" \
  53                         : "=r" (__a) \
  54                         : "r" (__n_), "0" (__a), "r" (__b)); \
  55   if (__a >= 0) \
  56      return (type) __a; \
  57   errno = -__a; \
  58   return (type) -1; \
  59 }
  60
  61 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
  62 type name(type1 arg1,type2 arg2,type3 arg3) \
  63 { \
  64   register long __a __asm__ ("r10") = (long) arg1; \
  65   register long __b __asm__ ("r11") = (long) arg2; \
  66   register long __c __asm__ ("r12") = (long) arg3; \
  67   register long __n_ __asm__ ("r9") = (__NR_##name); \
  68   __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \
  69                         ".err\n\t" \
  70                         ".endif\n\t" \
  71                         "break 13" \
  72                         : "=r" (__a) \
  73                         : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \
  74   if (__a >= 0) \
  75      return (type) __a; \
  76   errno = -__a; \
  77   return (type) -1; \
  78 }
  79
  80 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
  81 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
  82 { \
  83   register long __a __asm__ ("r10") = (long) arg1; \
  84   register long __b __asm__ ("r11") = (long) arg2; \
  85   register long __c __asm__ ("r12") = (long) arg3; \
  86   register long __d __asm__ ("r13") = (long) arg4; \
  87   register long __n_ __asm__ ("r9") = (__NR_##name); \
  88   __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
  89                         ".err\n\t" \
  90                         ".endif\n\t" \
  91                         "break 13" \
  92                         : "=r" (__a) \
  93                         : "r" (__n_), "0" (__a), "r" (__b), \
  94                           "r" (__c), "r" (__d)); \
  95   if (__a >= 0) \
  96      return (type) __a; \
  97   errno = -__a; \
  98   return (type) -1; \
  99 }
 100
 101 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 102           type5,arg5) \
 103 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
 104 { \
 105   register long __a __asm__ ("r10") = (long) arg1; \
 106   register long __b __asm__ ("r11") = (long) arg2; \
 107   register long __c __asm__ ("r12") = (long) arg3; \
 108   register long __d __asm__ ("r13") = (long) arg4; \
 109   register long __n_ __asm__ ("r9") = (__NR_##name); \
 110   __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
 111                         ".err\n\t" \
 112                         ".endif\n\t" \
 113                         "move %6,$mof\n\t" \
 114                         "break 13" \
 115                         : "=r" (__a) \
 116                         : "r" (__n_), "0" (__a), "r" (__b), \
 117                           "r" (__c), "r" (__d), "g" (arg5)); \
 118   if (__a >= 0) \
 119      return (type) __a; \
 120   errno = -__a; \
 121   return (type) -1; \
 122 }
 123
 124 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 125           type5,arg5,type6,arg6) \
 126 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
 127 { \
 128   register long __a __asm__ ("r10") = (long) arg1; \
 129   register long __b __asm__ ("r11") = (long) arg2; \
 130   register long __c __asm__ ("r12") = (long) arg3; \
 131   register long __d __asm__ ("r13") = (long) arg4; \
 132   register long __n_ __asm__ ("r9") = (__NR_##name); \
 133   __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
 134                         ".err\n\t" \
 135                         ".endif\n\t" \
 136                         "move %6,$mof\n\tmove %7,$srp\n\t" \
 137                         "break 13" \
 138                         : "=r" (__a) \
 139                         : "r" (__n_), "0" (__a), "r" (__b), \
 140                           "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\
 141                         : "srp"); \
 142   if (__a >= 0) \
 143      return (type) __a; \
 144   errno = -__a; \
 145   return (type) -1; \
 146 }
 147
 148 #endif