diff options
Diffstat (limited to 'arch/mipsn32/syscall_arch.h')
-rw-r--r-- | arch/mipsn32/syscall_arch.h | 129 |
1 files changed, 68 insertions, 61 deletions
diff --git a/arch/mipsn32/syscall_arch.h b/arch/mipsn32/syscall_arch.h index f6a1fbae..c681905d 100644 --- a/arch/mipsn32/syscall_arch.h +++ b/arch/mipsn32/syscall_arch.h @@ -1,20 +1,16 @@ #define __SYSCALL_LL_E(x) (x) #define __SYSCALL_LL_O(x) (x) -hidden long (__syscall)(long, ...); - #define SYSCALL_RLIM_INFINITY (-1UL/2) -#if _MIPSEL || __MIPSEL || __MIPSEL__ -#define __stat_fix(st) ((st),(void)0) +#if __mips_isa_rev >= 6 +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$10", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "memory" #else -#include <sys/stat.h> -static inline void __stat_fix(long p) -{ - struct stat *st = (struct stat *)p; - st->st_dev >>= 32; - st->st_rdev >>= 32; -} +#define SYSCALL_CLOBBERLIST \ + "$1", "$3", "$10", "$11", "$12", "$13", \ + "$14", "$15", "$24", "$25", "hi", "lo", "memory" #endif static inline long __syscall0(long n) @@ -22,11 +18,11 @@ static inline long __syscall0(long n) register long r7 __asm__("$7"); register long r2 __asm__("$2"); __asm__ __volatile__ ( - "addu $2,$0,%2 ; syscall" - : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - return r7 ? -r2 : r2; + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall1(long n, long a) @@ -35,12 +31,11 @@ static inline long __syscall1(long n, long a) register long r7 __asm__("$7"); register long r2 __asm__("$2"); __asm__ __volatile__ ( - "addu $2,$0,%2 ; syscall" - : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), - "r"(r4) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - return r7 ? -r2 : r2; + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall2(long n, long a, long b) @@ -49,16 +44,13 @@ static inline long __syscall2(long n, long a, long b) register long r5 __asm__("$5") = b; register long r7 __asm__("$7"); 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) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - if (r7) return -r2; - long ret = r2; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b); - return ret; + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall3(long n, long a, long b, long c) @@ -68,16 +60,13 @@ static inline long __syscall3(long n, long a, long b, long c) register long r6 __asm__("$6") = c; register long r7 __asm__("$7"); 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) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - if (r7) return -r2; - long ret = r2; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b); - return ret; + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall4(long n, long a, long b, long c, long d) @@ -87,37 +76,55 @@ static inline long __syscall4(long n, long a, long b, long c, long d) register long r6 __asm__("$6") = c; register long r7 __asm__("$7") = d; 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) - : "$1", "$3", "$8", "$9", "$10", "$11", "$12", "$13", - "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - if (r7) return -r2; - long ret = r2; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b); - if (n == SYS_newfstatat) __stat_fix(c); - return ret; + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "+r"(r7) + : "ir"(n), "0"(r2), "r"(r4), "r"(r5), "r"(r6) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } 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; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b); - if (n == SYS_newfstatat) __stat_fix(c); - 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__ ( + "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>0 ? -r2 : r2; } 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; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) __stat_fix(b); - if (n == SYS_newfstatat) __stat_fix(c); - 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__ ( + "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>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 +#define SO_RCVTIMEO_OLD 0x1006 |