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

     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) 0, __SYSCALL_LL_E((x))
     5  
     6  #define SYSCALL_RLIM_INFINITY (-1UL/2)
     7  
     8  #if __mips_isa_rev >= 6
     9  #define SYSCALL_CLOBBERLIST \
    10  	"$1", "$3", "$11", "$12", "$13", \
    11  	"$14", "$15", "$24", "$25", "memory"
    12  #else
    13  #define SYSCALL_CLOBBERLIST \
    14  	"$1", "$3", "$11", "$12", "$13", \
    15  	"$14", "$15", "$24", "$25", "hi", "lo", "memory"
    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)
    25  		: "ir"(n), "0"(r2)
    26  		: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
    27  	return r7 && r2>0 ? -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)
    38  		: "ir"(n), "0"(r2), "r"(r4)
    39  		: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
    40  	return r7 && r2>0 ? -r2 : r2;
    41  }
    42  
    43  static inline long __syscall2(long n, long a, long b)
    44  {
    45  	register long r4 __asm__("$4") = a;
    46  	register long r5 __asm__("$5") = b;
    47  	register long r7 __asm__("$7");
    48  	register long r2 __asm__("$2");
    49  	__asm__ __volatile__ (
    50  		"addu $2,$0,%2 ; syscall"
    51  		: "=&r"(r2), "=r"(r7)
    52  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5)
    53  		: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
    54  	return r7 && r2>0 ? -r2 : r2;
    55  }
    56  
    57  static inline long __syscall3(long n, long a, long b, long c)
    58  {
    59  	register long r4 __asm__("$4") = a;
    60  	register long r5 __asm__("$5") = b;
    61  	register long r6 __asm__("$6") = c;
    62  	register long r7 __asm__("$7");
    63  	register long r2 __asm__("$2");
    64  	__asm__ __volatile__ (
    65  		"addu $2,$0,%2 ; syscall"
    66  		: "=&r"(r2), "=r"(r7)
    67  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
    68  		: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
    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  	__asm__ __volatile__ (
    80  		"addu $2,$0,%2 ; syscall"
    81  		: "=&r"(r2), "+r"(r7)
    82  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
    83  		: SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
    84  	return r7 && r2>0 ? -r2 : r2;
    85  }
    86  
    87  static inline long __syscall5(long n, long a, long b, long c, long d, long e)
    88  {
    89  	register long r4 __asm__("$4") = a;
    90  	register long r5 __asm__("$5") = b;
    91  	register long r6 __asm__("$6") = c;
    92  	register long r7 __asm__("$7") = d;
    93  	register long r8 __asm__("$8") = e;
    94  	register long r2 __asm__("$2");
    95  	__asm__ __volatile__ (
    96  		"subu $sp,$sp,32 ; sw $8,16($sp) ; "
    97  		"addu $2,$0,%3 ; syscall ;"
    98  		"addu $sp,$sp,32"
    99  		: "=&r"(r2), "+r"(r7), "+r"(r8)
   100  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
   101  		: SYSCALL_CLOBBERLIST, "$9", "$10");
   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  	__asm__ __volatile__ (
   115  		"subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; "
   116  		"addu $2,$0,%4 ; syscall ;"
   117  		"addu $sp,$sp,32"
   118  		: "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9)
   119  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
   120  		: SYSCALL_CLOBBERLIST, "$10");
   121  	return r7 && r2>0 ? -r2 : r2;
   122  }
   123  
   124  static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g)
   125  {
   126  	register long r4 __asm__("$4") = a;
   127  	register long r5 __asm__("$5") = b;
   128  	register long r6 __asm__("$6") = c;
   129  	register long r7 __asm__("$7") = d;
   130  	register long r8 __asm__("$8") = e;
   131  	register long r9 __asm__("$9") = f;
   132  	register long r10 __asm__("$10") = g;
   133  	register long r2 __asm__("$2");
   134  	__asm__ __volatile__ (
   135  		"subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; sw $10,24($sp) ; "
   136  		"addu $2,$0,%5 ; syscall ;"
   137  		"addu $sp,$sp,32"
   138  		: "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9), "+r"(r10)
   139  		: "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
   140  		: SYSCALL_CLOBBERLIST);
   141  	return r7 && r2>0 ? -r2 : r2;
   142  }
   143  
   144  #define VDSO_USEFUL
   145  #define VDSO_CGT32_SYM "__vdso_clock_gettime"
   146  #define VDSO_CGT32_VER "LINUX_2.6"
   147  #define VDSO_CGT_SYM "__vdso_clock_gettime64"
   148  #define VDSO_CGT_VER "LINUX_2.6"
   149  
   150  #define SO_SNDTIMEO_OLD 0x1005
   151  #define SO_RCVTIMEO_OLD 0x1006