| 1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859 |
- #ifndef _BITS_SYSCALLS_H
- #define _BITS_SYSCALLS_H
- #ifndef _SYSCALL_H
- # error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
- #endif
- #ifndef __ASSEMBLER__
- #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \
- ({ \
- LOAD_ARGS_##nr (args); \
- register int __ret __asm__("r1"); \
- register int _scno __asm__("r8") = name; \
- __asm__ __volatile__("scall" \
- : "=r" (__ret) \
- : "r"(_scno) ASM_ARGS_##nr \
- : __SYSCALL_CLOBBERS ); \
- __ret; \
- })
- /* original port had ret >= -125 ?! */
- #define LOAD_ARGS_0() do { } while(0)
- #define ASM_ARGS_0
- #define LOAD_ARGS_1(a1) \
- int _a1 = (int)(a1); \
- LOAD_ARGS_0(); \
- register int __a1 __asm__("r1") = _a1
- #define ASM_ARGS_1 ASM_ARGS_0, "0"(__a1)
- #define LOAD_ARGS_2(a1, a2) \
- int _a2 = (int)(a2); \
- LOAD_ARGS_1(a1); \
- register int __a2 __asm__("r2") = _a2
- #define ASM_ARGS_2 ASM_ARGS_1, "r"(__a2)
- #define LOAD_ARGS_3(a1, a2, a3) \
- int _a3 = (int)(a3); \
- LOAD_ARGS_2(a1, a2); \
- register int __a3 __asm__("r3") = _a3
- #define ASM_ARGS_3 ASM_ARGS_2, "r"(__a3)
- #define LOAD_ARGS_4(a1, a2, a3, a4) \
- int _a4 = (int)(a4); \
- LOAD_ARGS_3(a1, a2, a3); \
- register int __a4 __asm__("r4") = _a4
- #define ASM_ARGS_4 ASM_ARGS_3, "r"(__a4)
- #define LOAD_ARGS_5(a1, a2, a3, a4, a5) \
- int _a5 = (int)(a5); \
- LOAD_ARGS_4(a1, a2, a3, a4); \
- register int __a5 __asm__("r5") = _a5
- #define ASM_ARGS_5 ASM_ARGS_4, "r"(__a5)
- #define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \
- int _a6 = (int)(a6); \
- LOAD_ARGS_5(a1, a2, a3, a4, a5); \
- register int __a6 __asm__("r6") = _a6
- #define ASM_ARGS_6 ASM_ARGS_5, "r"(__a6)
- #define __SYSCALL_CLOBBERS
- #endif /* __ASSEMBLER__ */
- #endif /* _BITS_SYSCALLS_H */
|
