sysdeps/unix/sysv/linux/sparc/sysdep.h

   1 /* Copyright (C) 2000, 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, write to the Free
  17    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  18    02111-1307 USA.  */
  19
  20 #ifndef _LINUX_SPARC_SYSDEP_H
  21 #define _LINUX_SPARC_SYSDEP_H 1
  22
  23 #undef INLINE_SYSCALL
  24 #define INLINE_SYSCALL(name, nr, args...) \
  25   inline_syscall##nr(__SYSCALL_STRING, __NR_##name, args)
  26
  27 #undef INTERNAL_SYSCALL_DECL
  28 #define INTERNAL_SYSCALL_DECL(err) do { } while (0)
  29
  30 #undef INTERNAL_SYSCALL
  31 #define INTERNAL_SYSCALL(name, err, nr, args...) \
  32   inline_syscall##nr(__INTERNAL_SYSCALL_STRING, __NR_##name, args)
  33
  34 #undef INTERNAL_SYSCALL_NCS
  35 #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
  36   inline_syscall##nr(__INTERNAL_SYSCALL_STRING, name, args)
  37
  38 #undef INTERNAL_SYSCALL_ERROR_P
  39 #define INTERNAL_SYSCALL_ERROR_P(val, err) \
  40   ((unsigned long) (val) >= -515L)
  41
  42 #undef INTERNAL_SYSCALL_ERRNO
  43 #define INTERNAL_SYSCALL_ERRNO(val, err)        (-(val))
  44
  45 #define inline_syscall0(string,name,dummy...)                           \
  46 ({                                                                      \
  47         register long __o0 __asm__ ("o0");                              \
  48         register long __g1 __asm__ ("g1") = name;                       \
  49         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
  50                           "0" (__g1) :                                  \
  51                           __SYSCALL_CLOBBERS);                          \
  52         __o0;                                                           \
  53 })
  54
  55 #define inline_syscall1(string,name,arg1)                               \
  56 ({                                                                      \
  57         register long __o0 __asm__ ("o0") = (long)(arg1);               \
  58         register long __g1 __asm__ ("g1") = name;                       \
  59         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
  60                           "0" (__g1), "1" (__o0) :                      \
  61                           __SYSCALL_CLOBBERS);                          \
  62         __o0;                                                           \
  63 })
  64
  65 #define inline_syscall2(string,name,arg1,arg2)                          \
  66 ({                                                                      \
  67         register long __o0 __asm__ ("o0") = (long)(arg1);               \
  68         register long __o1 __asm__ ("o1") = (long)(arg2);               \
  69         register long __g1 __asm__ ("g1") = name;                       \
  70         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
  71                           "0" (__g1), "1" (__o0), "r" (__o1) :          \
  72                           __SYSCALL_CLOBBERS);                          \
  73         __o0;                                                           \
  74 })
  75
  76 #define inline_syscall3(string,name,arg1,arg2,arg3)                     \
  77 ({                                                                      \
  78         register long __o0 __asm__ ("o0") = (long)(arg1);               \
  79         register long __o1 __asm__ ("o1") = (long)(arg2);               \
  80         register long __o2 __asm__ ("o2") = (long)(arg3);               \
  81         register long __g1 __asm__ ("g1") = name;                       \
  82         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
  83                           "0" (__g1), "1" (__o0), "r" (__o1),           \
  84                           "r" (__o2) :                                  \
  85                           __SYSCALL_CLOBBERS);                          \
  86         __o0;                                                           \
  87 })
  88
  89 #define inline_syscall4(string,name,arg1,arg2,arg3,arg4)                \
  90 ({                                                                      \
  91         register long __o0 __asm__ ("o0") = (long)(arg1);               \
  92         register long __o1 __asm__ ("o1") = (long)(arg2);               \
  93         register long __o2 __asm__ ("o2") = (long)(arg3);               \
  94         register long __o3 __asm__ ("o3") = (long)(arg4);               \
  95         register long __g1 __asm__ ("g1") = name;                       \
  96         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
  97                           "0" (__g1), "1" (__o0), "r" (__o1),           \
  98                           "r" (__o2), "r" (__o3) :                      \
  99                           __SYSCALL_CLOBBERS);                          \
 100         __o0;                                                           \
 101 })
 102
 103 #define inline_syscall5(string,name,arg1,arg2,arg3,arg4,arg5)           \
 104 ({                                                                      \
 105         register long __o0 __asm__ ("o0") = (long)(arg1);               \
 106         register long __o1 __asm__ ("o1") = (long)(arg2);               \
 107         register long __o2 __asm__ ("o2") = (long)(arg3);               \
 108         register long __o3 __asm__ ("o3") = (long)(arg4);               \
 109         register long __o4 __asm__ ("o4") = (long)(arg5);               \
 110         register long __g1 __asm__ ("g1") = name;                       \
 111         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
 112                           "0" (__g1), "1" (__o0), "r" (__o1),           \
 113                           "r" (__o2), "r" (__o3), "r" (__o4) :          \
 114                           __SYSCALL_CLOBBERS);                          \
 115         __o0;                                                           \
 116 })
 117
 118 #define inline_syscall6(string,name,arg1,arg2,arg3,arg4,arg5,arg6)      \
 119 ({                                                                      \
 120         register long __o0 __asm__ ("o0") = (long)(arg1);               \
 121         register long __o1 __asm__ ("o1") = (long)(arg2);               \
 122         register long __o2 __asm__ ("o2") = (long)(arg3);               \
 123         register long __o3 __asm__ ("o3") = (long)(arg4);               \
 124         register long __o4 __asm__ ("o4") = (long)(arg5);               \
 125         register long __o5 __asm__ ("o5") = (long)(arg6);               \
 126         register long __g1 __asm__ ("g1") = name;                       \
 127         __asm __volatile (string : "=r" (__g1), "=r" (__o0) :           \
 128                           "0" (__g1), "1" (__o0), "r" (__o1),           \
 129                           "r" (__o2), "r" (__o3), "r" (__o4),           \
 130                           "r" (__o5) :                                  \
 131                           __SYSCALL_CLOBBERS);                          \
 132         __o0;                                                           \
 133 })
 134
 135 #define INLINE_CLONE_SYSCALL(arg1,arg2,arg3,arg4,arg5)                  \
 136 ({                                                                      \
 137         register long __o0 __asm__ ("o0") = (long)(arg1);               \
 138         register long __o1 __asm__ ("o1") = (long)(arg2);               \
 139         register long __o2 __asm__ ("o2") = (long)(arg3);               \
 140         register long __o3 __asm__ ("o3") = (long)(arg4);               \
 141         register long __o4 __asm__ ("o4") = (long)(arg5);               \
 142         register long __g1 __asm__ ("g1") = __NR_clone;                 \
 143         __asm __volatile (__CLONE_SYSCALL_STRING :                      \
 144                           "=r" (__g1), "=r" (__o0), "=r" (__o1) :       \
 145                           "0" (__g1), "1" (__o0), "2" (__o1),           \
 146                           "r" (__o2), "r" (__o3), "r" (__o4) :          \
 147                           __SYSCALL_CLOBBERS);                          \
 148         __o0;                                                           \
 149 })
 150
 151
 152 #ifdef __ASSEMBLER__
 153 # define JUMPTARGET(sym) sym
 154 #endif
 155
 156 #endif /* _LINUX_SPARC_SYSDEP_H */