syscall_arch.h raw

   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
 131