diff options
Diffstat (limited to 'arch/mipsn32/syscall_arch.h')
| -rw-r--r-- | arch/mipsn32/syscall_arch.h | 85 |
1 files changed, 49 insertions, 36 deletions
diff --git a/arch/mipsn32/syscall_arch.h b/arch/mipsn32/syscall_arch.h index 5a6da0ed..c681905d 100644 --- a/arch/mipsn32/syscall_arch.h +++ b/arch/mipsn32/syscall_arch.h @@ -3,33 +3,39 @@ #define SYSCALL_RLIM_INFINITY (-1UL/2) +#if __mips_isa_rev >= 6 +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$10", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "memory" +#else #define SYSCALL_CLOBBERLIST \ "$1", "$3", "$10", "$11", "$12", "$13", \ "$14", "$15", "$24", "$25", "hi", "lo", "memory" +#endif 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) - : + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2) : SYSCALL_CLOBBERLIST); - 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) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4) : SYSCALL_CLOBBERLIST); - return r7 ? -r2 : r2; + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall2(long n, long a, long b) @@ -37,13 +43,14 @@ 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) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5) : SYSCALL_CLOBBERLIST); - return r7 ? -r2 : r2; + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall3(long n, long a, long b, long c) @@ -52,13 +59,14 @@ 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) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) : SYSCALL_CLOBBERLIST); - return r7 ? -r2 : r2; + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall4(long n, long a, long b, long c, long d) @@ -67,13 +75,14 @@ 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) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "+r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) : SYSCALL_CLOBBERLIST); - 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) @@ -83,13 +92,14 @@ 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__ ( - "syscall" - : "+&r"(r2), "+r"(r7) - : "r"(r4), "r"(r5), "r"(r6), "r"(r8) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "+r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8) : SYSCALL_CLOBBERLIST); - 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) @@ -100,17 +110,20 @@ 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__ ( - "syscall" - : "+&r"(r2), "+r"(r7) - : "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9) + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "+r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6), "r"(r8), "r"(r9) : SYSCALL_CLOBBERLIST); - return r7 ? -r2 : r2; + return r7 && r2>0 ? -r2 : r2; } #define VDSO_USEFUL -#define VDSO_CGT_SYM "__vdso_clock_gettime" +#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" #define SO_SNDTIMEO_OLD 0x1005 |