1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
149 lines
4.3 KiB
C
149 lines
4.3 KiB
C
#ifndef _ASM_CRIS_ARCH_UNISTD_H_
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#define _ASM_CRIS_ARCH_UNISTD_H_
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/* XXX - _foo needs to be __foo, while __NR_bar could be _NR_bar. */
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/*
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* Don't remove the .ifnc tests; they are an insurance against
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* any hard-to-spot gcc register allocation bugs.
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*/
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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register long __a __asm__ ("r10"); \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall1(type,name,type1,arg1) \
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type name(type1 arg1) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1,$r10$r9\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall2(type,name,type1,arg1,type2,arg2) \
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type name(type1 arg1,type2 arg2) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1%3,$r10$r9$r11\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \
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type name(type1 arg1,type2 arg2,type3 arg3) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1%3%4,$r10$r9$r11$r12\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), "r" (__c)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \
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type name (type1 arg1, type2 arg2, type3 arg3, type4 arg4) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"move %6,$mof\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d), "g" (arg5)); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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type5,arg5,type6,arg6) \
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type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5,type6 arg6) \
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{ \
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register long __a __asm__ ("r10") = (long) arg1; \
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register long __b __asm__ ("r11") = (long) arg2; \
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register long __c __asm__ ("r12") = (long) arg3; \
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register long __d __asm__ ("r13") = (long) arg4; \
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register long __n_ __asm__ ("r9") = (__NR_##name); \
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__asm__ __volatile__ (".ifnc %0%1%3%4%5,$r10$r9$r11$r12$r13\n\t" \
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".err\n\t" \
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".endif\n\t" \
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"move %6,$mof\n\tmove %7,$srp\n\t" \
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"break 13" \
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: "=r" (__a) \
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: "r" (__n_), "0" (__a), "r" (__b), \
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"r" (__c), "r" (__d), "g" (arg5), "g" (arg6)\
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: "srp"); \
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if (__a >= 0) \
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return (type) __a; \
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errno = -__a; \
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return (type) -1; \
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}
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#endif
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