diff options
Diffstat (limited to 'include/asm-cris/arch-v10/unistd.h')
| -rw-r--r-- | include/asm-cris/arch-v10/unistd.h | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/include/asm-cris/arch-v10/unistd.h b/include/asm-cris/arch-v10/unistd.h new file mode 100644 index 000000000000..d1a38b9e6264 --- /dev/null +++ b/include/asm-cris/arch-v10/unistd.h @@ -0,0 +1,148 @@ +#ifndef _ASM_CRIS_ARCH_UNISTD_H_ +#define _ASM_CRIS_ARCH_UNISTD_H_ + +/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ +/* + * Don't remove the .ifnc tests; they are an insurance against + * any hard-to-spot gcc register allocation bugs. + */ +#define _syscall0(type,name) \ +type name(void) \ +{ \ + register long __a __asm__ ("r10"); \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#define _syscall1(type,name,type1,arg1) \ +type name(type1 arg1) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#define _syscall2(type,name,type1,arg1,type2,arg2) \ +type name(type1 arg1,type2 arg2) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __b __asm__ ("r11") = (long) arg2; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a), "r" (__b)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ +type name(type1 arg1,type2 arg2,type3 arg3) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __b __asm__ ("r11") = (long) arg2; \ + register long __c __asm__ ("r12") = (long) arg3; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ +type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __b __asm__ ("r11") = (long) arg2; \ + register long __c __asm__ ("r12") = (long) arg3; \ + register long __d __asm__ ("r13") = (long) arg4; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a), "r" (__b), \ + "r" (__c), "r" (__d)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#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) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __b __asm__ ("r11") = (long) arg2; \ + register long __c __asm__ ("r12") = (long) arg3; \ + register long __d __asm__ ("r13") = (long) arg4; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "move %6,$mof\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a), "r" (__b), \ + "r" (__c), "r" (__d), "g" (arg5)); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#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) \ +{ \ + register long __a __asm__ ("r10") = (long) arg1; \ + register long __b __asm__ ("r11") = (long) arg2; \ + register long __c __asm__ ("r12") = (long) arg3; \ + register long __d __asm__ ("r13") = (long) arg4; \ + register long __n_ __asm__ ("r9") = (__NR_##name); \ + __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ + ".err\n\t" \ + ".endif\n\t" \ + "move %6,$mof\n\tmove %7,$srp\n\t" \ + "break 13" \ + : "=r" (__a) \ + : "r" (__n_), "0" (__a), "r" (__b), \ + "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\ + : "srp"); \ + if (__a >= 0) \ + return (type) __a; \ + errno = -__a; \ + return (type) -1; \ +} + +#endif |