#ifndef _BITS_SYSCALLS_H #define _BITS_SYSCALLS_H #ifndef _SYSCALL_H # error "Never use directly; include instead." #endif #ifndef __ASSEMBLER__ #include #define SYS_ify(syscall_name) (__NR_##syscall_name) #define INLINE_SYSCALL_NCS(name, nr, args...) \ (__extension__ \ ({ \ unsigned int _inline_sys_result = INTERNAL_SYSCALL_NCS (name, , nr, args);\ if (unlikely (INTERNAL_SYSCALL_ERROR_P (_inline_sys_result, ))) \ { \ __set_errno (INTERNAL_SYSCALL_ERRNO (_inline_sys_result, )); \ _inline_sys_result = (unsigned int) -1; \ } \ (int) _inline_sys_result; \ }) \ ) #define INTERNAL_SYSCALL_NCS(name, err, nr, args...) \ (__extension__ \ ({unsigned int __internal_sys_result; \ { \ register int __a1 __asm__ ("gr8"); \ register int _nr __asm__ ("gr7"); \ LOAD_ARGS_##nr (args) \ _nr = (name); \ __asm__ __volatile__ ("tra gr0,gr0" \ : "=r" (__a1) \ : "r" (_nr) ASM_ARGS_##nr \ : "memory"); \ __internal_sys_result = __a1; \ } \ (int) __internal_sys_result; }) \ ) #define INTERNAL_SYSCALL_ERROR_P(val, err) \ ((unsigned int) (val) >= 0xfffff001u) #define LOAD_ARGS_0() #define ASM_ARGS_0 #define LOAD_ARGS_1(a1) \ int __a1tmp = (int) (a1); \ LOAD_ARGS_0 () \ __a1 = __a1tmp; #define ASM_ARGS_1 ASM_ARGS_0, "r" (__a1) #define LOAD_ARGS_2(a1, a2) \ int __a2tmp = (int) (a2); \ LOAD_ARGS_1 (a1) \ register int __a2 __asm__ ("gr8") = __a2tmp; #define ASM_ARGS_2 ASM_ARGS_1, "r" (__a2) #define LOAD_ARGS_3(a1, a2, a3) \ int __a3tmp = (int) (a3); \ LOAD_ARGS_2 (a1, a2) \ register int __a3 __asm__ ("gr9") = __a3tmp; #define ASM_ARGS_3 ASM_ARGS_2, "r" (__a3) #define LOAD_ARGS_4(a1, a2, a3, a4) \ int __a4tmp = (int) (a4); \ LOAD_ARGS_3 (a1, a2, a3) \ register int __a4 __asm__ ("gr10") = __a4tmp; #define ASM_ARGS_4 ASM_ARGS_3, "r" (__a4) #define LOAD_ARGS_5(a1, a2, a3, a4, a5) \ int __v1tmp = (int) (a5); \ LOAD_ARGS_4 (a1, a2, a3, a4) \ register int __v1 __asm__ ("gr11") = __v1tmp; #define ASM_ARGS_5 ASM_ARGS_4, "r" (__v1) #define LOAD_ARGS_6(a1, a2, a3, a4, a5, a6) \ int __v2tmp = (int) (a6); \ LOAD_ARGS_5 (a1, a2, a3, a4, a5) \ register int __v2 __asm__ ("gr12") = __v2tmp; #define ASM_ARGS_6 ASM_ARGS_5, "r" (__v2) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */