syscall_arch.h raw

   1  #define __SYSCALL_LL_E(x) \
   2  ((union { long long ll; long l[2]; }){ .ll = x }).l[0], \
   3  ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
   4  #define __SYSCALL_LL_O(x) __SYSCALL_LL_E((x))
   5  
   6  #define SYSCALL_MMAP2_UNIT 8192ULL
   7  
   8  static __inline long __syscall0(long n)
   9  {
  10  	register unsigned long r11 __asm__("r11") = n;
  11  	__asm__ __volatile__ ("l.sys 1"
  12  			      : "=r"(r11)
  13  			      : "r"(r11)
  14  			      : "memory", "r3", "r4", "r5", "r6", "r7", "r8",
  15  				"r12", "r13", "r15", "r17", "r19", "r21",
  16  				"r23", "r25", "r27", "r29", "r31");
  17  	return r11;
  18  }
  19  
  20  static inline long __syscall1(long n, long a)
  21  {
  22  	register unsigned long r11 __asm__("r11") = n;
  23  	register unsigned long r3 __asm__("r3") = a;
  24  	__asm__ __volatile__ ("l.sys 1"
  25  			      : "=r"(r11)
  26  			      : "r"(r11), "r"(r3)
  27  			      : "memory", "r4", "r5", "r6", "r7", "r8",
  28  				"r12", "r13", "r15", "r17", "r19", "r21",
  29  				"r23", "r25", "r27", "r29", "r31");
  30  	return r11;
  31  }
  32  
  33  static inline long __syscall2(long n, long a, long b)
  34  {
  35  	register unsigned long r11 __asm__("r11") = n;
  36  	register unsigned long r3 __asm__("r3") = a;
  37  	register unsigned long r4 __asm__("r4") = b;
  38  	__asm__ __volatile__ ("l.sys 1"
  39  			      : "=r"(r11)
  40  			      : "r"(r11), "r"(r3), "r"(r4)
  41  			      : "memory", "r5", "r6", "r7", "r8",
  42  				"r12", "r13", "r15", "r17", "r19", "r21",
  43  				"r23", "r25", "r27", "r29", "r31");
  44  	return r11;
  45  }
  46  
  47  static inline long __syscall3(long n, long a, long b, long c)
  48  {
  49  	register unsigned long r11 __asm__("r11") = n;
  50  	register unsigned long r3 __asm__("r3") = a;
  51  	register unsigned long r4 __asm__("r4") = b;
  52  	register unsigned long r5 __asm__("r5") = c;
  53  	__asm__ __volatile__ ("l.sys 1"
  54  			      : "=r"(r11)
  55  			      : "r"(r11), "r"(r3), "r"(r4), "r"(r5)
  56  			      : "memory", "r6", "r7", "r8",
  57  				"r12", "r13", "r15", "r17", "r19", "r21",
  58  				"r23", "r25", "r27", "r29", "r31");
  59  	return r11;
  60  }
  61  
  62  static inline long __syscall4(long n, long a, long b, long c, long d)
  63  {
  64  	register unsigned long r11 __asm__("r11") = n;
  65  	register unsigned long r3 __asm__("r3") = a;
  66  	register unsigned long r4 __asm__("r4") = b;
  67  	register unsigned long r5 __asm__("r5") = c;
  68  	register unsigned long r6 __asm__("r6") = d;
  69  	__asm__ __volatile__ ("l.sys 1"
  70  			      : "=r"(r11)
  71  			      : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6)
  72  			      : "memory", "r7", "r8",
  73  				"r12", "r13", "r15", "r17", "r19", "r21",
  74  				"r23", "r25", "r27", "r29", "r31");
  75  	return r11;
  76  }
  77  
  78  static inline long __syscall5(long n, long a, long b, long c, long d, long e)
  79  {
  80  	register unsigned long r11 __asm__("r11") = n;
  81  	register unsigned long r3 __asm__("r3") = a;
  82  	register unsigned long r4 __asm__("r4") = b;
  83  	register unsigned long r5 __asm__("r5") = c;
  84  	register unsigned long r6 __asm__("r6") = d;
  85  	register unsigned long r7 __asm__("r7") = e;
  86  	__asm__ __volatile__ ("l.sys 1"
  87  			      : "=r"(r11)
  88  			      : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
  89  				"r"(r7)
  90  			      : "memory", "r8",
  91  				"r12", "r13", "r15", "r17", "r19", "r21",
  92  				"r23", "r25", "r27", "r29", "r31");
  93  	return r11;
  94  }
  95  
  96  static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
  97  {
  98  	register unsigned long r11 __asm__("r11") = n;
  99  	register unsigned long r3 __asm__("r3") = a;
 100  	register unsigned long r4 __asm__("r4") = b;
 101  	register unsigned long r5 __asm__("r5") = c;
 102  	register unsigned long r6 __asm__("r6") = d;
 103  	register unsigned long r7 __asm__("r7") = e;
 104  	register unsigned long r8 __asm__("r8") = f;
 105  	__asm__ __volatile__ ("l.sys 1"
 106  			      : "=r"(r11)
 107  			      : "r"(r11), "r"(r3), "r"(r4), "r"(r5), "r"(r6),
 108  				"r"(r7), "r"(r8)
 109  			      : "memory",
 110  				"r12", "r13", "r15", "r17", "r19", "r21",
 111  				"r23", "r25", "r27", "r29", "r31");
 112  	return r11;
 113  }
 114  
 115  #define IPC_64 0
 116