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 _MIPSEL || __MIPSEL || __MIPSEL__
   7 #define __stat_fix(st) ((st),(void)0)
   8 #else
   9 #include <sys/stat.h>
  10 static inline void __stat_fix(long p)
  11 {
  12         struct stat *st = (struct stat *)p;
  13         st->st_dev >>= 32;
  14         st->st_rdev >>= 32;
  15 }
  16 #endif
  17
  18 static inline long __syscall0(long n)
  19 {
  20         register long r7 __asm__("$7");
  21         register long r2 __asm__("$2");
  22         __asm__ __volatile__ (
  23                 "addu $2,$0,%2 ; syscall"
  24                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7)
  25                 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
  26                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
  27         return r7 ? -r2 : r2;
  28 }
  29
  30 static inline long __syscall1(long n, long a)
  31 {
  32         register long r4 __asm__("$4") = a;
  33         register long r7 __asm__("$7");
  34         register long r2 __asm__("$2");
  35         __asm__ __volatile__ (
  36                 "addu $2,$0,%2 ; syscall"
  37                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
  38                   "r"(r4)
  39                 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
  40                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
  41         return r7 ? -r2 : r2;
  42 }
  43
  44 static inline long __syscall2(long n, long a, long b)
  45 {
  46         register long r4 __asm__("$4") = a;
  47         register long r5 __asm__("$5") = b;
  48         register long r7 __asm__("$7");
  49         register long r2 __asm__("$2");
  50         __asm__ __volatile__ (
  51                 "addu $2,$0,%2 ; syscall"
  52                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
  53                   "r"(r4), "r"(r5)
  54                 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
  55                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
  56         if (r7) return -r2;
  57         long ret = r2;
  58         if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
  59         return ret;
  60 }
  61
  62 static inline long __syscall3(long n, long a, long b, long c)
  63 {
  64         register long r4 __asm__("$4") = a;
  65         register long r5 __asm__("$5") = b;
  66         register long r6 __asm__("$6") = c;
  67         register long r7 __asm__("$7");
  68         register long r2 __asm__("$2");
  69         __asm__ __volatile__ (
  70                 "addu $2,$0,%2 ; syscall"
  71                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
  72                   "r"(r4), "r"(r5), "r"(r6)
  73                 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
  74                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
  75         if (r7) return -r2;
  76         long ret = r2;
  77         if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
  78         return ret;
  79 }
  80
  81 static inline long __syscall4(long n, long a, long b, long c, long d)
  82 {
  83         register long r4 __asm__("$4") = a;
  84         register long r5 __asm__("$5") = b;
  85         register long r6 __asm__("$6") = c;
  86         register long r7 __asm__("$7") = d;
  87         register long r2 __asm__("$2");
  88         __asm__ __volatile__ (
  89                 "addu $2,$0,%2 ; syscall"
  90                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
  91                   "r"(r4), "r"(r5), "r"(r6)
  92                 : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13",
  93                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
  94         if (r7) return -r2;
  95         long ret = r2;
  96         if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
  97         if (n == SYS_newfstatat) __stat_fix(c);
  98         return ret;
  99 }
 100
 101 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 102 {
 103         register long r4 __asm__("$4") = a;
 104         register long r5 __asm__("$5") = b;
 105         register long r6 __asm__("$6") = c;
 106         register long r7 __asm__("$7") = d;
 107         register long r8 __asm__("$8") = e;
 108         register long r2 __asm__("$2");
 109         __asm__ __volatile__ (
 110                 "addu $2,$0,%2 ; syscall"
 111                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
 112                   "r"(r4), "r"(r5), "r"(r6), "r"(r8)
 113                 : "$1", "$3", "$9", "$10", "$11", "$12", "$13",
 114                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
 115         if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
 116         if (n == SYS_newfstatat) __stat_fix(c);
 117         return r2;
 118 }
 119
 120 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
 121 {
 122         register long r4 __asm__("$4") = a;
 123         register long r5 __asm__("$5") = b;
 124         register long r6 __asm__("$6") = c;
 125         register long r7 __asm__("$7") = d;
 126         register long r8 __asm__("$8") = e;
 127         register long r8 __asm__("$9") = f;
 128         register long r2 __asm__("$2");
 129         __asm__ __volatile__ (
 130                 "addu $2,$0,%2 ; syscall"
 131                 : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7),
 132                   "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9)
 133                 : "$1", "$3", "$10", "$11", "$12", "$13",
 134                   "$14", "$15", "$24", "$25", "hi", "lo", "memory");
 135         if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b);
 136         if (n == SYS_newfstatat) __stat_fix(c);
 137         return r2;
 138 }
 139
 140 #define VDSO_USEFUL
 141 #define VDSO_CGT_SYM "__vdso_clock_gettime"
 142 #define VDSO_CGT_VER "LINUX_2.6"