diff options
Diffstat (limited to 'arch/mips64/syscall_arch.h')
| -rw-r--r-- | arch/mips64/syscall_arch.h | 66 |
1 files changed, 43 insertions, 23 deletions
diff --git a/arch/mips64/syscall_arch.h b/arch/mips64/syscall_arch.h index 28d0f934..99eebc32 100644 --- a/arch/mips64/syscall_arch.h +++ b/arch/mips64/syscall_arch.h @@ -1,9 +1,6 @@ #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> @@ -167,48 +164,71 @@ static inline long __syscall4(long n, long a, long b, long c, long d) 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; + long ret; + 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"); if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - b = (long) &kst; + r5 = (long) &kst; if (n == SYS_newfstatat) - c = (long) &kst; + r6 = (long) &kst; - r2 = (__syscall)(n, a, b, c, d, e); - if (r2 > -4096UL) return r2; + __asm__ __volatile__ ( + "daddu $2,$0,%2 ; syscall" + : "=&r"(r2), "=r"(r7) : "ir"(n), "0"(r2), "1"(r7), + "r"(r4), "r"(r5), "r"(r6), "r"(r8) + : "$1", "$3", "$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 *)old_b); + __stat_fix(&kst, (struct stat *)b); if (n == SYS_newfstatat) - __stat_fix(&kst, (struct stat *)old_c); + __stat_fix(&kst, (struct stat *)c); - return r2; + return ret; } 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; + long ret; + 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"); if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - b = (long) &kst; + r5 = (long) &kst; if (n == SYS_newfstatat) - c = (long) &kst; + 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), "r"(r8), "r"(r9) + : "$1", "$3", "$10", "$11", "$12", "$13", + "$14", "$15", "$24", "$25", "hi", "lo", "memory"); - r2 = (__syscall)(n, a, b, c, d, e, f); - if (r2 > -4096UL) return r2; + if (r7) return -r2; + ret = r2; if (n == SYS_stat || n == SYS_fstat || n == SYS_lstat) - __stat_fix(&kst, (struct stat *)old_b); + __stat_fix(&kst, (struct stat *)b); if (n == SYS_newfstatat) - __stat_fix(&kst, (struct stat *)old_c); + __stat_fix(&kst, (struct stat *)c); - return r2; + return ret; } #define VDSO_USEFUL |