arch/mipsn32/syscall_arch.h

   1 #define __SYSCALL_LL_E(x) (x)
   2 #define __SYSCALL_LL_O(x) (x)
   3
   4 #define SYSCALL_RLIM_INFINITY (-1UL/2)
   5
   6 #if __mips_isa_rev >= 6
   7 #define SYSCALL_CLOBBERLIST \
   8         "$1", "$3", "$10", "$11", "$12", "$13", \
   9         "$14", "$15", "$24", "$25", "memory"
  10 #else
  11 #define SYSCALL_CLOBBERLIST \
  12         "$1", "$3", "$10", "$11", "$12", "$13", \
  13         "$14", "$15", "$24", "$25", "hi", "lo", "memory"
  14 #endif
  15
  16 static inline long __syscall0(long n)
  17 {
  18         register long r7 __asm__("$7");
  19         register long r2 __asm__("$2");
  20         __asm__ __volatile__ (
  21                 "daddu $2,$0,%2 ; syscall"
  22                 : "=&r"(r2), "=r"(r7)
  23                 : "ir"(n), "0"(r2)
  24                 : SYSCALL_CLOBBERLIST);
  25         return r7 && r2>0 ? -r2 : r2;
  26 }
  27
  28 static inline long __syscall1(long n, long a)
  29 {
  30         register long r4 __asm__("$4") = a;
  31         register long r7 __asm__("$7");
  32         register long r2 __asm__("$2");
  33         __asm__ __volatile__ (
  34                 "daddu $2,$0,%2 ; syscall"
  35                 : "=&r"(r2), "=r"(r7)
  36                 : "ir"(n), "0"(r2), "r"(r4)
  37                 : SYSCALL_CLOBBERLIST);
  38         return r7 && r2>0 ? -r2 : r2;
  39 }
  40
  41 static inline long __syscall2(long n, long a, long b)
  42 {
  43         register long r4 __asm__("$4") = a;
  44         register long r5 __asm__("$5") = b;
  45         register long r7 __asm__("$7");
  46         register long r2 __asm__("$2");
  47
  48         __asm__ __volatile__ (
  49                 "daddu $2,$0,%2 ; syscall"
  50                 : "=&r"(r2), "=r"(r7)
  51                 : "ir"(n), "0"(r2), "r"(r4), "r"(r5)
  52                 : SYSCALL_CLOBBERLIST);
  53         return r7 && r2>0 ? -r2 : r2;
  54 }
  55
  56 static inline long __syscall3(long n, long a, long b, long c)
  57 {
  58         register long r4 __asm__("$4") = a;
  59         register long r5 __asm__("$5") = b;
  60         register long r6 __asm__("$6") = c;
  61         register long r7 __asm__("$7");
  62         register long r2 __asm__("$2");
  63
  64         __asm__ __volatile__ (
  65                 "daddu $2,$0,%2 ; syscall"
  66                 : "=&r"(r2), "=r"(r7)
  67                 : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
  68                 : SYSCALL_CLOBBERLIST);
  69         return r7 && r2>0 ? -r2 : r2;
  70 }
  71
  72 static inline long __syscall4(long n, long a, long b, long c, long d)
  73 {
  74         register long r4 __asm__("$4") = a;
  75         register long r5 __asm__("$5") = b;
  76         register long r6 __asm__("$6") = c;
  77         register long r7 __asm__("$7") = d;
  78         register long r2 __asm__("$2");
  79
  80         __asm__ __volatile__ (
  81                 "daddu $2,$0,%2 ; syscall"
  82                 : "=&r"(r2), "+r"(r7)
  83                 : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
  84                 : SYSCALL_CLOBBERLIST);
  85         return r7 && r2>0 ? -r2 : r2;
  86 }
  87
  88 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  89 {
  90         register long r4 __asm__("$4") = a;
  91         register long r5 __asm__("$5") = b;
  92         register long r6 __asm__("$6") = c;
  93         register long r7 __asm__("$7") = d;
  94         register long r8 __asm__("$8") = e;
  95         register long r2 __asm__("$2");
  96
  97         __asm__ __volatile__ (
  98                 "daddu $2,$0,%2 ; syscall"
  99                 : "=&r"(r2), "+r"(r7)
 100                 : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8)
 101                 : SYSCALL_CLOBBERLIST);
 102         return r7 && r2>0 ? -r2 : r2;
 103 }
 104
 105 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
 106 {
 107         register long r4 __asm__("$4") = a;
 108         register long r5 __asm__("$5") = b;
 109         register long r6 __asm__("$6") = c;
 110         register long r7 __asm__("$7") = d;
 111         register long r8 __asm__("$8") = e;
 112         register long r9 __asm__("$9") = f;
 113         register long r2 __asm__("$2");
 114
 115         __asm__ __volatile__ (
 116                 "daddu $2,$0,%2 ; syscall"
 117                 : "=&r"(r2), "+r"(r7)
 118                 : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9)
 119                 : SYSCALL_CLOBBERLIST);
 120         return r7 && r2>0 ? -r2 : r2;
 121 }
 122
 123 #define VDSO_USEFUL
 124 #define VDSO_CGT32_SYM "__vdso_clock_gettime"
 125 #define VDSO_CGT32_VER "LINUX_2.6"
 126 #define VDSO_CGT_SYM "__vdso_clock_gettime64"
 127 #define VDSO_CGT_VER "LINUX_2.6"
 128
 129 #define SO_SNDTIMEO_OLD 0x1005
 130 #define SO_RCVTIMEO_OLD 0x1006