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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 | #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 |