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[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [include/] [asm-cris/] [arch-v32/] [unistd.h] - Rev 3
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#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 __e __asm__ ("mof") = (long) arg5; \ register long __n_ __asm__ ("r9") = (__NR_##name); \ __asm__ __volatile__ (".ifnc %0%1%3%4%5%6,$r10$r9$r11$r12$r13$mof\n\t" \ ".err\n\t" \ ".endif\n\t" \ "break 13" \ : "=r" (__a) \ : "r" (__n_), "0" (__a), "r" (__b), \ "r" (__c), "r" (__d), "h" (__e)); \ 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 __e __asm__ ("mof") = (long) arg5; \ register long __f __asm__ ("srp") = (long) arg6; \ register long __n_ __asm__ ("r9") = (__NR_##name); \ __asm__ __volatile__ (".ifnc %0%1%3%4%5%6%7,$r10$r9$r11$r12$r13$mof$srp\n\t" \ ".err\n\t" \ ".endif\n\t" \ "break 13" \ : "=r" (__a) \ : "r" (__n_), "0" (__a), "r" (__b), \ "r" (__c), "r" (__d), "h" (__e), "x" (__f)); \ if (__a >= 0) \ return (type) __a; \ errno = -__a; \ return (type) -1; \ } #endif