X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fmips%2Fsyscall_arch.h;h=a3812188fdf46cb2d6052e8222df104731309fab;hb=972b5fde9a2d1b5517c15803fb437195e6663085;hp=7c7f9a1a655cdf13b9b8fbb03402975fc1a47de3;hpb=4221f154ff29ab0d6be1e7beaa5ea2d1731bc58e;p=musl diff --git a/arch/mips/syscall_arch.h b/arch/mips/syscall_arch.h index 7c7f9a1a..a3812188 100644 --- a/arch/mips/syscall_arch.h +++ b/arch/mips/syscall_arch.h @@ -3,31 +3,40 @@ ((union { long long ll; long l[2]; }){ .ll = x }).l[1] #define __SYSCALL_LL_O(x) 0, __SYSCALL_LL_E((x)) -#define __SYSCALL_SSLEN 16 +#define SYSCALL_RLIM_INFINITY (-1UL/2) -#ifndef __clang__ - -#define __asm_syscall(...) do { \ - register long r2 __asm__("$2"); \ - __asm__ __volatile__ ( \ - "addu $2,$0,%2 ; syscall" \ - : "=&r"(r2), "=r"(r7) : "ir"(n), __VA_ARGS__, "0"(r2), "1"(r7) \ - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", \ - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); \ - return r7 ? -r2 : r2; \ - } while (0) +#if __mips_isa_rev >= 6 +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "memory" +#else +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "hi", "lo", "memory" +#endif static inline long __syscall0(long n) { register long r7 __asm__("$7"); - __asm_syscall("i"(0)); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 ? -r2 : r2; } static inline long __syscall1(long n, long a) { register long r4 __asm__("$4") = a; register long r7 __asm__("$7"); - __asm_syscall("r"(r4)); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 ? -r2 : r2; } static inline long __syscall2(long n, long a, long b) @@ -35,7 +44,13 @@ 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"); - __asm_syscall("r"(r4), "r"(r5)); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 ? -r2 : r2; } static inline long __syscall3(long n, long a, long b, long c) @@ -44,7 +59,13 @@ 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"); - __asm_syscall("r"(r4), "r"(r5), "r"(r6)); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 ? -r2 : r2; } static inline long __syscall4(long n, long a, long b, long c, long d) @@ -53,44 +74,77 @@ 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; - __asm_syscall("r"(r4), "r"(r5), "r"(r6)); -} - -#else - -static inline long __syscall0(long n) -{ - return (__syscall)(n); + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "addu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST, "$8", "$9", "$10"); + return r7 ? -r2 : r2; } -static inline long __syscall1(long n, long a) -{ - return (__syscall)(n, a); -} - -static inline long __syscall2(long n, long a, long b) +static inline long __syscall5(long n, long a, long b, long c, long d, long e) { - return (__syscall)(n, a, b); + 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) + : SYSCALL_CLOBBERLIST, "$9", "$10"); + return r7 ? -r2 : r2; } -static inline long __syscall3(long n, long a, long b, long c) +static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) { - return (__syscall)(n, a, b, c); + 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) + : SYSCALL_CLOBBERLIST, "$10"); + return r7 ? -r2 : r2; } -static inline long __syscall4(long n, long a, long b, long c, long d) +static inline long __syscall7(long n, long a, long b, long c, long d, long e, long f, long g) { - return (__syscall)(n, a, b, c, d); + 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 r10 __asm__("$10") = g; + register long r2 __asm__("$2"); + __asm__ __volatile__ ( + "subu $sp,$sp,32 ; sw $8,16($sp) ; sw $9,20($sp) ; sw $10,24($sp) ; " + "addu $2,$0,%5 ; syscall ;" + "addu $sp,$sp,32" + : "=&r"(r2), "=r"(r7), "+r"(r8), "+r"(r9), "+r"(r10) + : "ir"(n), "0"(r2), "1"(r7), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST); + return r7 ? -r2 : r2; } -#endif +#define VDSO_USEFUL +#define VDSO_CGT32_SYM "__vdso_clock_gettime" +#define VDSO_CGT32_VER "LINUX_2.6" +#define VDSO_CGT_SYM "__vdso_clock_gettime64" +#define VDSO_CGT_VER "LINUX_2.6" -static inline long __syscall5(long n, long a, long b, long c, long d, long e) -{ - return (__syscall)(n, a, b, c, d, e); -} - -static inline long __syscall6(long n, long a, long b, long c, long d, long e, long f) -{ - return (__syscall)(n, a, b, c, d, e, f); -} +#define SO_SNDTIMEO_OLD 0x1005 +#define SO_RCVTIMEO_OLD 0x1006