include/asm-cris/arch-v32/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                         : "memory"); \
  21   if (__a >= 0) \
  22      return (type) __a; \
  23   errno = -__a; \
  24   return (type) -1; \
  25 }
  26
  27 #define _syscall1(type,name,type1,arg1) \
  28 type name(type1 arg1) \
  29 { \
  30   register long __a __asm__ ("r10") = (long) arg1; \
  31   register long __n_ __asm__ ("r9") = (__NR_##name); \
  32   __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
  33                         ".err\n\t" \
  34                         ".endif\n\t" \
  35                         "break 13" \
  36                         : "=r" (__a) \
  37                         : "r" (__n_), "0" (__a) \
  38                         : "memory"); \
  39   if (__a >= 0) \
  40      return (type) __a; \
  41   errno = -__a; \
  42   return (type) -1; \
  43 }
  44
  45 #define _syscall2(type,name,type1,arg1,type2,arg2) \
  46 type name(type1 arg1,type2 arg2) \
  47 { \
  48   register long __a __asm__ ("r10") = (long) arg1; \
  49   register long __b __asm__ ("r11") = (long) arg2; \
  50   register long __n_ __asm__ ("r9") = (__NR_##name); \
  51   __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \
  52                         ".err\n\t" \
  53                         ".endif\n\t" \
  54                         "break 13" \
  55                         : "=r" (__a) \
  56                         : "r" (__n_), "0" (__a), "r" (__b) \
  57                         : "memory"); \
  58   if (__a >= 0) \
  59      return (type) __a; \
  60   errno = -__a; \
  61   return (type) -1; \
  62 }
  63
  64 #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
  65 type name(type1 arg1,type2 arg2,type3 arg3) \
  66 { \
  67   register long __a __asm__ ("r10") = (long) arg1; \
  68   register long __b __asm__ ("r11") = (long) arg2; \
  69   register long __c __asm__ ("r12") = (long) arg3; \
  70   register long __n_ __asm__ ("r9") = (__NR_##name); \
  71   __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \
  72                         ".err\n\t" \
  73                         ".endif\n\t" \
  74                         "break 13" \
  75                         : "=r" (__a) \
  76                         : "r" (__n_), "0" (__a), "r" (__b), "r" (__c) \
  77                         : "memory"); \
  78   if (__a >= 0) \
  79      return (type) __a; \
  80   errno = -__a; \
  81   return (type) -1; \
  82 }
  83
  84 #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
  85 type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
  86 { \
  87   register long __a __asm__ ("r10") = (long) arg1; \
  88   register long __b __asm__ ("r11") = (long) arg2; \
  89   register long __c __asm__ ("r12") = (long) arg3; \
  90   register long __d __asm__ ("r13") = (long) arg4; \
  91   register long __n_ __asm__ ("r9") = (__NR_##name); \
  92   __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
  93                         ".err\n\t" \
  94                         ".endif\n\t" \
  95                         "break 13" \
  96                         : "=r" (__a) \
  97                         : "r" (__n_), "0" (__a), "r" (__b), \
  98                           "r" (__c), "r" (__d)\
  99                         : "memory"); \
 100   if (__a >= 0) \
 101      return (type) __a; \
 102   errno = -__a; \
 103   return (type) -1; \
 104 }
 105
 106 #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 107           type5,arg5) \
 108 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
 109 { \
 110   register long __a __asm__ ("r10") = (long) arg1; \
 111   register long __b __asm__ ("r11") = (long) arg2; \
 112   register long __c __asm__ ("r12") = (long) arg3; \
 113   register long __d __asm__ ("r13") = (long) arg4; \
 114   register long __e __asm__ ("mof") = (long) arg5; \
 115   register long __n_ __asm__ ("r9") = (__NR_##name); \
 116   __asm__ __volatile__ (".ifnc %0%1%3%4%5%6,$r10$r9$r11$r12$r13$mof\n\t" \
 117                         ".err\n\t" \
 118                         ".endif\n\t" \
 119                         "break 13" \
 120                         : "=r" (__a) \
 121                         : "r" (__n_), "0" (__a), "r" (__b), \
 122                           "r" (__c), "r" (__d), "h" (__e) \
 123                         : "memory"); \
 124   if (__a >= 0) \
 125      return (type) __a; \
 126   errno = -__a; \
 127   return (type) -1; \
 128 }
 129
 130 #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
 131           type5,arg5,type6,arg6) \
 132 type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
 133 { \
 134   register long __a __asm__ ("r10") = (long) arg1; \
 135   register long __b __asm__ ("r11") = (long) arg2; \
 136   register long __c __asm__ ("r12") = (long) arg3; \
 137   register long __d __asm__ ("r13") = (long) arg4; \
 138   register long __e __asm__ ("mof") = (long) arg5; \
 139   register long __f __asm__ ("srp") = (long) arg6; \
 140   register long __n_ __asm__ ("r9") = (__NR_##name); \
 141   __asm__ __volatile__ (".ifnc %0%1%3%4%5%6%7,$r10$r9$r11$r12$r13$mof$srp\n\t" \
 142                         ".err\n\t" \
 143                         ".endif\n\t" \
 144                         "break 13" \
 145                         : "=r" (__a) \
 146                         : "r" (__n_), "0" (__a), "r" (__b), \
 147                           "r" (__c), "r" (__d), "h" (__e), "x" (__f) \
 148                         : "memory"); \
 149   if (__a >= 0) \
 150      return (type) __a; \
 151   errno = -__a; \
 152   return (type) -1; \
 153 }
 154
 155 #endif