diff options
Diffstat (limited to 'arch/i386/bits/syscall.h')
| -rw-r--r-- | arch/i386/bits/syscall.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/arch/i386/bits/syscall.h b/arch/i386/bits/syscall.h index b38f09e9..f8429b27 100644 --- a/arch/i386/bits/syscall.h +++ b/arch/i386/bits/syscall.h @@ -1,3 +1,130 @@ +#define __SYSCALL_LL(x) \ +((union { long long ll; long l[2]; }){ .ll = x }).l[0], \ +((union { long long ll; long l[2]; }){ .ll = x }).l[1] + +static inline long __syscall0(long n) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n) : "memory"); + return __syscall_ret(ret); +} + +#ifndef __PIC__ + +static inline long __syscall1(long n, long a1) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1) : "memory"); + return ret; +} + +static inline long __syscall2(long n, long a1, long a2) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2) : "memory"); + return ret; +} + +static inline long __syscall3(long n, long a1, long a2, long a3) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3) : "memory"); + return ret; +} + +static inline long __syscall4(long n, long a1, long a2, long a3, long a4) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); + return ret; +} + +static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) +{ + unsigned long ret; + __asm__ __volatile__ ("int $128" : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); + return ret; +} + +static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) +{ + unsigned long ret; + __asm__ __volatile__ ("pushl %7 ; pushl %%ebp ; mov 4(%%esp),%%ebp ; int $128 ; popl %%ebp ; popl %%ecx" + : "=a"(ret) : "a"(n), "b"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5), "g"(a6) : "memory"); + return ret; +} + +#else + +static inline long __syscall1(long n, long a1) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1) : "memory"); + return ret; +} + +static inline long __syscall2(long n, long a1, long a2) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2) : "memory"); + return ret; +} + +static inline long __syscall3(long n, long a1, long a2, long a3) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2), "d"(a3) : "memory"); + return ret; +} + +static inline long __syscall4(long n, long a1, long a2, long a3, long a4) +{ + unsigned long ret; + __asm__ __volatile__ ("xchg %2,%%ebx ; int $128 ; xchg %2,%%ebx" + : "=a"(ret) : "a"(n), "r"(a1), "c"(a2), "d"(a3), "S"(a4) : "memory"); + return ret; +} + +static inline long __syscall5(long n, long a1, long a2, long a3, long a4, long a5) +{ + unsigned long ret; + __asm__ __volatile__ ("pushl %2 ; pushl %%ebx ; mov 4(%%esp),%%ebx ; int $128 ; popl %%ebx ; popl %%ecx" + : "=a"(ret) : "a"(n), "g"(a1), "c"(a2), "d"(a3), "S"(a4), "D"(a5) : "memory"); + return ret; +} + +static inline long __syscall6(long n, long a1, long a2, long a3, long a4, long a5, long a6) +{ + return (__syscall)(n, a1, a2, a3, a4, a5, a6); +} + +#endif + + +#define __SC_socket 1 +#define __SC_bind 2 +#define __SC_connect 3 +#define __SC_listen 4 +#define __SC_accept 5 +#define __SC_getsockname 6 +#define __SC_getpeername 7 +#define __SC_socketpair 8 +#define __SC_send 9 +#define __SC_recv 10 +#define __SC_sendto 11 +#define __SC_recvfrom 12 +#define __SC_shutdown 13 +#define __SC_setsockopt 14 +#define __SC_getsockopt 15 +#define __SC_sendmsg 16 +#define __SC_recvmsg 17 + +#define __socketcall(nm, a, b, c, d, e, f) syscall(SYS_socketcall, __SC_##nm, \ + ((long [6]){ (long)a, (long)b, (long)c, (long)d, (long)e, (long)f })) + #define __NR_restart_syscall 0 #define __NR_exit 1 #define __NR_fork 2 @@ -376,6 +503,7 @@ /* fixup legacy 32-bit-vs-lfs64 junk */ +#undef __NR_fcntl #undef __NR_getdents #undef __NR_ftruncate #undef __NR_truncate @@ -384,6 +512,7 @@ #undef __NR_lstat #undef __NR_statfs #undef __NR_fstatfs +#define __NR_fcntl __NR_fcntl64 #define __NR_getdents __NR_getdents64 #define __NR_ftruncate __NR_ftruncate64 #define __NR_truncate __NR_truncate64 @@ -783,6 +912,7 @@ /* fixup legacy 32-bit-vs-lfs64 junk */ +#undef SYS_fcntl #undef SYS_getdents #undef SYS_ftruncate #undef SYS_truncate @@ -791,6 +921,7 @@ #undef SYS_lstat #undef SYS_statfs #undef SYS_fstatfs +#define SYS_fcntl SYS_fcntl64 #define SYS_getdents SYS_getdents64 #define SYS_ftruncate SYS_ftruncate64 #define SYS_truncate SYS_truncate64 |