diff options
Diffstat (limited to 'arch/mips64/syscall_arch.h')
-rw-r--r-- | arch/mips64/syscall_arch.h | 229 |
1 files changed, 66 insertions, 163 deletions
diff --git a/arch/mips64/syscall_arch.h b/arch/mips64/syscall_arch.h index 5eabdf46..ae6532fc 100644 --- a/arch/mips64/syscall_arch.h +++ b/arch/mips64/syscall_arch.h @@ -1,53 +1,17 @@ #define __SYSCALL_LL_E(x) (x) #define __SYSCALL_LL_O(x) (x) -__attribute__((visibility("hidden"))) -long (__syscall)(long, ...); - #define SYSCALL_RLIM_INFINITY (-1UL/2) -#include <sys/stat.h> -struct kernel_stat { - unsigned int st_dev; - unsigned int __pad1[3]; - unsigned long long st_ino; - unsigned int st_mode; - unsigned int st_nlink; - int st_uid; - int st_gid; - unsigned int st_rdev; - unsigned int __pad2[3]; - long long st_size; - unsigned int st_atime_sec; - unsigned int st_atime_nsec; - unsigned int st_mtime_sec; - unsigned int st_mtime_nsec; - unsigned int st_ctime_sec; - unsigned int st_ctime_nsec; - unsigned int st_blksize; - unsigned int __pad3; - unsigned long long st_blocks; -}; - -static void __stat_fix(struct kernel_stat *kst, struct stat *st) -{ - st->st_dev = kst->st_dev; - st->st_ino = kst->st_ino; - st->st_mode = kst->st_mode; - st->st_nlink = kst->st_nlink; - st->st_uid = kst->st_uid; - st->st_gid = kst->st_gid; - st->st_rdev = kst->st_rdev; - st->st_size = kst->st_size; - st->st_atim.tv_sec = kst->st_atime_sec; - st->st_atim.tv_nsec = kst->st_atime_nsec; - st->st_mtim.tv_sec = kst->st_mtime_sec; - st->st_mtim.tv_nsec = kst->st_mtime_nsec; - st->st_ctim.tv_sec = kst->st_ctime_sec; - st->st_ctim.tv_nsec = kst->st_ctime_nsec; - st->st_blksize = kst->st_blksize; - st->st_blocks = kst->st_blocks; -} +#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) { @@ -55,10 +19,10 @@ static inline long __syscall0(long n) register long r2 __asm__("$2"); __asm__ __volatile__ ( "daddu $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; + : "=&r"(r2), "=r"(r7) + : "ir"(n), "0"(r2) + : SYSCALL_CLOBBERLIST); + return r7 && r2>0 ? -r2 : r2; } static inline long __syscall1(long n, long a) @@ -68,158 +32,97 @@ static inline long __syscall1(long n, long a) register long r2 __asm__("$2"); __asm__ __volatile__ ( "daddu $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; + : "=&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) { - struct kernel_stat kst; - long ret; - register long r4 __asm__("$4"); - register long r5 __asm__("$5"); + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; register long r7 __asm__("$7"); register long r2 __asm__("$2"); - r5 = b; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - r5 = (long) &kst; - - r4 = a; __asm__ __volatile__ ( "daddu $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; - ret = r2; - - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - __stat_fix(&kst, (struct stat *)b); - - return ret; + : "=&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) { - struct kernel_stat kst; - long ret; - register long r4 __asm__("$4"); - register long r5 __asm__("$5"); - register long r6 __asm__("$6"); + register long r4 __asm__("$4") = a; + register long r5 __asm__("$5") = b; + register long r6 __asm__("$6") = c; register long r7 __asm__("$7"); register long r2 __asm__("$2"); - r5 = b; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - r5 = (long) &kst; - - r4 = a; - r6 = c; __asm__ __volatile__ ( "daddu $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; - ret = r2; - - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - __stat_fix(&kst, (struct stat *)b); - - return ret; + : "=&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) { - struct kernel_stat kst; - long ret; - register long r4 __asm__("$4"); - register long r5 __asm__("$5"); - register long r6 __asm__("$6"); - register long r7 __asm__("$7"); + 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 r2 __asm__("$2"); - r4 = a; - r5 = b; - r6 = c; - r7 = d; - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - r5 = (long) &kst; - if (n == SYS_newfstatat) - r6 = (long) &kst; - __asm__ __volatile__ ( "daddu $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; - ret = r2; - - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - __stat_fix(&kst, (struct stat *)b); - if (n == SYS_newfstatat) - __stat_fix(&kst, (struct stat *)c); - - return ret; + : "=&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; - long old_b = b; - long old_c = c; - struct kernel_stat kst; - - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - b = (long) &kst; - if (n == SYS_newfstatat) - c = (long) &kst; - - 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(&kst, (struct stat *)old_b); - if (n == SYS_newfstatat) - __stat_fix(&kst, (struct stat *)old_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 r2 __asm__("$2"); - return r2; + __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; - long old_b = b; - long old_c = c; - struct kernel_stat kst; - - if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - b = (long) &kst; - if (n == SYS_newfstatat) - c = (long) &kst; - - 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(&kst, (struct stat *)old_b); - if (n == SYS_newfstatat) - __stat_fix(&kst, (struct stat *)old_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"); - return r2; + __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_CGT_VER "LINUX_2.6" + +#define SO_SNDTIMEO_OLD 0x1005 +#define SO_RCVTIMEO_OLD 0x1006 |