github.com/afumu/libc@v0.0.6/musl/arch/mipsn32/syscall_arch.h (about)

     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