diff options
Diffstat (limited to 'libc/sysdeps/linux/bfin/bits/syscalls.h')
| -rw-r--r-- | libc/sysdeps/linux/bfin/bits/syscalls.h | 163 |
1 files changed, 36 insertions, 127 deletions
diff --git a/libc/sysdeps/linux/bfin/bits/syscalls.h b/libc/sysdeps/linux/bfin/bits/syscalls.h index 0833a1fc1..da549ff58 100644 --- a/libc/sysdeps/linux/bfin/bits/syscalls.h +++ b/libc/sysdeps/linux/bfin/bits/syscalls.h @@ -6,133 +6,42 @@ #ifndef __ASSEMBLER__ -#include <errno.h> - -#define SYS_ify(syscall_name) (__NR_##syscall_name) - -/* user-visible error numbers are in the range -1 - -4095: see <asm-frv/errno.h> */ -#if defined _LIBC && !defined __set_errno -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (__builtin_expect ((unsigned long)(__sr2) \ - >= (unsigned long)(-4095), 0)) { \ - extern int __syscall_error (int); \ - return (type) __syscall_error (__sr2); \ - } \ - return (type) (__sr2); \ -} while (0) -#else -# define __syscall_return(type, res) \ -do { \ - unsigned long __sr2 = (res); \ - if (__builtin_expect ((unsigned long)(__sr2) \ - >= (unsigned long)(-4095), 0)) { \ - __set_errno (-__sr2); \ - __sr2 = -1; \ - } \ - return (type) (__sr2); \ -} while (0) -#endif - -#define _syscall0(type,name) \ -type name(void) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall1(type,name,type1,arg1) \ -type name(type1 arg1) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall2(type,name,type1,arg1,type2,arg2) \ -type name(type1 arg1,type2 arg2) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - "%0=r0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)), \ - "q1" ((long)(arg2)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ -type name(type1 arg1,type2 arg2,type3 arg3) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)), \ - "q1" ((long)(arg2)), \ - "q2" ((long)(arg3)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)), \ - "q1" ((long)(arg2)), \ - "q2" ((long)(arg3)), \ - "q3" ((long)(arg4)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)), \ - "q1" ((long)(arg2)), \ - "q2" ((long)(arg3)), \ - "q3" ((long)(arg4)), \ - "q4" ((long)(arg5)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} - -#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6) \ -type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) { \ - long __res; \ - __asm__ __volatile__ ( \ - "excpt 0;\n\t" \ - : "=q0" (__res) \ - : "qA" (__NR_##name), \ - "q0" ((long)(arg1)), \ - "q1" ((long)(arg2)), \ - "q2" ((long)(arg3)), \ - "q3" ((long)(arg4)), \ - "q4" ((long)(arg5)), \ - "q5" ((long)(arg6)) \ - : "memory","CC"); \ - __syscall_return(type,__res); \ -} +#define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ +(__extension__ \ + ({ \ + long __res; \ + __asm__ __volatile__ ( \ + "excpt 0;\n\t" \ + : "=q0" (__res) \ + : "qA" (name) ASMFMT_##nr(args) \ + : "memory","CC"); \ + __res; \ + }) \ +) +#define ASMFMT_0() + +#define ASMFMT_1(arg1) \ + , "q0" ((long)(arg1)) + +#define ASMFMT_2(arg1, arg2) \ + ASMFMT_1(arg1) \ + , "q1" ((long)(arg2)) + +#define ASMFMT_3(arg1, arg2, arg3) \ + ASMFMT_2(arg1, arg2) \ + , "q2" ((long)(arg3)) + +#define ASMFMT_4(arg1, arg2, arg3, arg4) \ + ASMFMT_3(arg1, arg2, arg3) \ + , "q3" ((long)(arg4)) + +#define ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \ + ASMFMT_4(arg1, arg2, arg3, arg4) \ + , "q4" ((long)(arg5)) + +#define ASMFMT_6(arg1, arg2, arg3, arg4, arg5, arg6) \ + ASMFMT_5(arg1, arg2, arg3, arg4, arg5) \ + , "q5" ((long)(arg6)) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */ |