fix hwcap access in powerpc-sf setjmp/longjmp

[musl] / arch / mips / syscall_arch.h

diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h
index f821e73..5b7c38d 100644 (file)
--- a/arch/mips/syscall_arch.h
+++ b/arch/mips/syscall_arch.h
@@ -18,26 +18,26 @@
 static inline long __syscall0(long n)
 {
        register long r7 __asm__("$7");
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
-               "syscall"
-               : "+r"(r2), "=r"(r7)
-               :
+               "addu $2,$0,%2 ; syscall"
+               : "=&r"(r2), "=r"(r7)
+               : "ir"(n), "0"(r2)
                : SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall1(long n, long a)
 {
        register long r4 __asm__("$4") = a;
        register long r7 __asm__("$7");
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
-               "syscall"
-               : "+r"(r2), "=r"(r7)
-               : "r"(r4)
+               "addu $2,$0,%2 ; syscall"
+               : "=&r"(r2), "=r"(r7)
+               : "ir"(n), "0"(r2), "r"(r4)
                : SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall2(long n, long a, long b)
@@ -45,13 +45,13 @@ static inline long __syscall2(long n, long a, long b)
        register long r4 __asm__("$4") = a;
        register long r5 __asm__("$5") = b;
        register long r7 __asm__("$7");
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
-               "syscall"
-               : "+r"(r2), "=r"(r7)
-               : "r"(r4), "r"(r5)
+               "addu $2,$0,%2 ; syscall"
+               : "=&r"(r2), "=r"(r7)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5)
                : SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall3(long n, long a, long b, long c)
@@ -60,13 +60,13 @@ static inline long __syscall3(long n, long a, long b, long c)
        register long r5 __asm__("$5") = b;
        register long r6 __asm__("$6") = c;
        register long r7 __asm__("$7");
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
-               "syscall"
-               : "+r"(r2), "=r"(r7)
-               : "r"(r4), "r"(r5), "r"(r6)
+               "addu $2,$0,%2 ; syscall"
+               : "=&r"(r2), "=r"(r7)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
                : SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall4(long n, long a, long b, long c, long d)
@@ -75,13 +75,13 @@ static inline long __syscall4(long n, long a, long b, long c, long d)
        register long r5 __asm__("$5") = b;
        register long r6 __asm__("$6") = c;
        register long r7 __asm__("$7") = d;
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
-               "syscall"
-               : "+r"(r2), "+r"(r7)
-               : "r"(r4), "r"(r5), "r"(r6)
+               "addu $2,$0,%2 ; syscall"
+               : "=&r"(r2), "+r"(r7)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
                : SYSCALL_CLOBBERLIST, "$8", "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall5(long n, long a, long b, long c, long d, long e)
@@ -91,15 +91,15 @@ static inline long __syscall5(long n, long a, long b, long c, long d, long e)
        register long r6 __asm__("$6") = c;
        register long r7 __asm__("$7") = d;
        register long r8 __asm__("$8") = e;
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
                "subu $sp,$sp,32 ; sw $8,16($sp) ; "
-               "syscall ;"
+               "addu $2,$0,%3 ; syscall ;"
                "addu $sp,$sp,32"
-               : "+r"(r2), "+r"(r7), "+r"(r8)
-               : "r"(r4), "r"(r5), "r"(r6)
+               : "=&r"(r2), "+r"(r7), "+r"(r8)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
                : SYSCALL_CLOBBERLIST, "$9", "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f)
@@ -110,15 +110,15 @@ static inline long __syscall6(long n, long a, long b, long c, long d, long e, lo
        register long r7 __asm__("$7") = d;
        register long r8 __asm__("$8") = e;
        register long r9 __asm__("$9") = f;
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
                "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; "
-               "syscall ;"
+               "addu $2,$0,%4 ; syscall ;"
                "addu $sp,$sp,32"
-               : "+r"(r2), "+r"(r7), "+r"(r8), "+r"(r9)
-               : "r"(r4), "r"(r5), "r"(r6)
+               : "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
                : SYSCALL_CLOBBERLIST, "$10");
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g)
@@ -130,15 +130,15 @@ static inline long __syscall7(long n, long a, long b, long c, long d, long e, lo
        register long r8 __asm__("$8") = e;
        register long r9 __asm__("$9") = f;
        register long r10 __asm__("$10") = g;
-       register long r2 __asm__("$2") = n;
+       register long r2 __asm__("$2");
        __asm__ __volatile__ (
                "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; sw $10,24($sp) ; "
-               "syscall ;"
+               "addu $2,$0,%5 ; syscall ;"
                "addu $sp,$sp,32"
-               : "+r"(r2), "+r"(r7), "+r"(r8), "+r"(r9), "+r"(r10)
-               : "r"(r4), "r"(r5), "r"(r6)
+               : "=&r"(r2), "+r"(r7), "+r"(r8), "+r"(r9), "+r"(r10)
+               : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6)
                : SYSCALL_CLOBBERLIST);
-       return r7 ? -r2 : r2;
+       return r7 && r2>0 ? -r2 : r2;
 }
 
 #define VDSO_USEFUL
@@ -149,3 +149,5 @@ static inline long __syscall7(long n, long a, long b, long c, long d, long e, lo
 
 #define SO_SNDTIMEO_OLD 0x1005
 #define SO_RCVTIMEO_OLD 0x1006
+
+#undef SYS_socketcall