math: new exp2f and expf

[musl] / arch / mips / syscall_arch.h

diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
index 01de67b..3b33ce1 100644 (file)
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -3,8 +3,6 @@
 ((union { long long ll; long l[2]; }){ .ll = x }).l[1]
 #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x))
 
-hidden long (__syscall)(long, ...);
-
 #define SYSCALL_RLIM_INFINITY (-1UL/2)
 
 #if _MIPSEL || __MIPSEL || __MIPSEL__
@@ -104,8 +102,22 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
 
 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 {
-       long r2 = (__syscall)(n, a, b, c, d, e);
-       if (r2 > -4096UL) return r2;
+       register long r4 __asm__("$4") = a;
+       register long r5 __asm__("$5") = b;
+       register long r6 __asm__("$6") = c;
+       register long r7 __asm__("$7") = d;
+       register long r8 __asm__("$8") = e;
+       register long r2 __asm__("$2");
+       __asm__ __volatile__ (
+               "subu $sp,$sp,32 ; sw $8,16($sp) ; "
+               "addu $2,$0,%3 ; syscall ;"
+               "addu $sp,$sp,32"
+               : "=&r"(r2), "=r"(r7), "+r"(r8)
+               : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6)
+               : "$1", "$3", "$9", "$10", "$11", "$12", "$13",
+                 "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+       if (r7) return -r2;
+       long ret = r2;
        if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
        if (n == SYS_fstatat64) __stat_fix(c);
        return r2;
@@ -113,8 +125,23 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
 
 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
 {
-       long r2 = (__syscall)(n, a, b, c, d, e, f);
-       if (r2 > -4096UL) return r2;
+       register long r4 __asm__("$4") = a;
+       register long r5 __asm__("$5") = b;
+       register long r6 __asm__("$6") = c;
+       register long r7 __asm__("$7") = d;
+       register long r8 __asm__("$8") = e;
+       register long r9 __asm__("$9") = f;
+       register long r2 __asm__("$2");
+       __asm__ __volatile__ (
+               "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; "
+               "addu $2,$0,%4 ; syscall ;"
+               "addu $sp,$sp,32"
+               : "=&r"(r2), "=r"(r7), "+r"(r8), "+r"(r9)
+               : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6)
+               : "$1", "$3", "$10", "$11", "$12", "$13",
+                 "$14", "$15", "$24", "$25", "hi", "lo", "memory");
+       if (r7) return -r2;
+       long ret = r2;
        if (n == SYS_stat64 || n == SYS_fstat64 || n == SYS_lstat64) __stat_fix(b);
        if (n == SYS_fstatat64) __stat_fix(c);
        return r2;