| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | #ifndef _ASM_CRIS_ARCH_UNISTD_H_ |
| 2 | #define _ASM_CRIS_ARCH_UNISTD_H_ |
| 3 | |
| 4 | /* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */ |
| 5 | /* |
| 6 | * Don't remove the .ifnc tests; they are an insurance against |
| 7 | * any hard-to-spot gcc register allocation bugs. |
| 8 | */ |
| 9 | #define _syscall0(type,name) \ |
| 10 | type name(void) \ |
| 11 | { \ |
| 12 | register long __a __asm__ ("r10"); \ |
| 13 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 14 | __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ |
| 15 | ".err\n\t" \ |
| 16 | ".endif\n\t" \ |
| 17 | "break 13" \ |
| 18 | : "=r" (__a) \ |
| 19 | : "r" (__n_)); \ |
| 20 | if (__a >= 0) \ |
| 21 | return (type) __a; \ |
| 22 | errno = -__a; \ |
| 23 | return (type) -1; \ |
| 24 | } |
| 25 | |
| 26 | #define _syscall1(type,name,type1,arg1) \ |
| 27 | type name(type1 arg1) \ |
| 28 | { \ |
| 29 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 30 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 31 | __asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \ |
| 32 | ".err\n\t" \ |
| 33 | ".endif\n\t" \ |
| 34 | "break 13" \ |
| 35 | : "=r" (__a) \ |
| 36 | : "r" (__n_), "0" (__a)); \ |
| 37 | if (__a >= 0) \ |
| 38 | return (type) __a; \ |
| 39 | errno = -__a; \ |
| 40 | return (type) -1; \ |
| 41 | } |
| 42 | |
| 43 | #define _syscall2(type,name,type1,arg1,type2,arg2) \ |
| 44 | type name(type1 arg1,type2 arg2) \ |
| 45 | { \ |
| 46 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 47 | register long __b __asm__ ("r11") = (long) arg2; \ |
| 48 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 49 | __asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \ |
| 50 | ".err\n\t" \ |
| 51 | ".endif\n\t" \ |
| 52 | "break 13" \ |
| 53 | : "=r" (__a) \ |
| 54 | : "r" (__n_), "0" (__a), "r" (__b)); \ |
| 55 | if (__a >= 0) \ |
| 56 | return (type) __a; \ |
| 57 | errno = -__a; \ |
| 58 | return (type) -1; \ |
| 59 | } |
| 60 | |
| 61 | #define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \ |
| 62 | type name(type1 arg1,type2 arg2,type3 arg3) \ |
| 63 | { \ |
| 64 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 65 | register long __b __asm__ ("r11") = (long) arg2; \ |
| 66 | register long __c __asm__ ("r12") = (long) arg3; \ |
| 67 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 68 | __asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \ |
| 69 | ".err\n\t" \ |
| 70 | ".endif\n\t" \ |
| 71 | "break 13" \ |
| 72 | : "=r" (__a) \ |
| 73 | : "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \ |
| 74 | if (__a >= 0) \ |
| 75 | return (type) __a; \ |
| 76 | errno = -__a; \ |
| 77 | return (type) -1; \ |
| 78 | } |
| 79 | |
| 80 | #define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \ |
| 81 | type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \ |
| 82 | { \ |
| 83 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 84 | register long __b __asm__ ("r11") = (long) arg2; \ |
| 85 | register long __c __asm__ ("r12") = (long) arg3; \ |
| 86 | register long __d __asm__ ("r13") = (long) arg4; \ |
| 87 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 88 | __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ |
| 89 | ".err\n\t" \ |
| 90 | ".endif\n\t" \ |
| 91 | "break 13" \ |
| 92 | : "=r" (__a) \ |
| 93 | : "r" (__n_), "0" (__a), "r" (__b), \ |
| 94 | "r" (__c), "r" (__d)); \ |
| 95 | if (__a >= 0) \ |
| 96 | return (type) __a; \ |
| 97 | errno = -__a; \ |
| 98 | return (type) -1; \ |
| 99 | } |
| 100 | |
| 101 | #define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
| 102 | type5,arg5) \ |
| 103 | type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \ |
| 104 | { \ |
| 105 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 106 | register long __b __asm__ ("r11") = (long) arg2; \ |
| 107 | register long __c __asm__ ("r12") = (long) arg3; \ |
| 108 | register long __d __asm__ ("r13") = (long) arg4; \ |
| 109 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 110 | __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ |
| 111 | ".err\n\t" \ |
| 112 | ".endif\n\t" \ |
| 113 | "move %6,$mof\n\t" \ |
| 114 | "break 13" \ |
| 115 | : "=r" (__a) \ |
| 116 | : "r" (__n_), "0" (__a), "r" (__b), \ |
| 117 | "r" (__c), "r" (__d), "g" (arg5)); \ |
| 118 | if (__a >= 0) \ |
| 119 | return (type) __a; \ |
| 120 | errno = -__a; \ |
| 121 | return (type) -1; \ |
| 122 | } |
| 123 | |
| 124 | #define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \ |
| 125 | type5,arg5,type6,arg6) \ |
| 126 | type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \ |
| 127 | { \ |
| 128 | register long __a __asm__ ("r10") = (long) arg1; \ |
| 129 | register long __b __asm__ ("r11") = (long) arg2; \ |
| 130 | register long __c __asm__ ("r12") = (long) arg3; \ |
| 131 | register long __d __asm__ ("r13") = (long) arg4; \ |
| 132 | register long __n_ __asm__ ("r9") = (__NR_##name); \ |
| 133 | __asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \ |
| 134 | ".err\n\t" \ |
| 135 | ".endif\n\t" \ |
| 136 | "move %6,$mof\n\tmove %7,$srp\n\t" \ |
| 137 | "break 13" \ |
| 138 | : "=r" (__a) \ |
| 139 | : "r" (__n_), "0" (__a), "r" (__b), \ |
| 140 | "r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\ |
| 141 | : "srp"); \ |
| 142 | if (__a >= 0) \ |
| 143 | return (type) __a; \ |
| 144 | errno = -__a; \ |
| 145 | return (type) -1; \ |
| 146 | } |
| 147 | |
| 148 | #endif |