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[/] [or1k/] [trunk/] [linux/] [uClibc/] [ldso/] [ldso/] [sparc/] [ld_syscalls.h] - Blame information for rev 1325

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1 1325 phoenix 
/*
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 * This file contains the system call macros and syscall
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 * numbers used by the shared library loader.
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 */
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#define __NR_exit                 1
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#define __NR_read                 3
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#define __NR_write                4
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#define __NR_open                 5
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#define __NR_close                6
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#define __NR_getuid              24
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#define __NR_getgid              47
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#define __NR_geteuid             49
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#define __NR_getegid             50
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#define __NR_readlink            58
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#define __NR_mmap                71
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#define __NR_munmap              73
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#define __NR_stat                38
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#define __NR_mprotect            74
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/* Here are the macros which define how this platform makes
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 * system calls.  This particular variant does _not_ set
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 * errno (note how it is disabled in __syscall_return) since
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 * these will get called before the errno symbol is dynamicly
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 * linked. */
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res)\
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                      : "r" (__g1) \
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                      : "o0", "cc"); \
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if (__res < -255 || __res >= 0) \
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    return (type) __res; \
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/*errno = -__res; */\
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return -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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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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register long __o0 __asm__ ("o0") = (long)(arg1); \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res), "=&r" (__o0) \
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                      : "1" (__o0), "r" (__g1) \
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                      : "cc"); \
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if (__res < -255 || __res >= 0) \
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        return (type) __res; \
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/*errno = -__res;*/ \
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return -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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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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register long __o0 __asm__ ("o0") = (long)(arg1); \
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register long __o1 __asm__ ("o1") = (long)(arg2); \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res), "=&r" (__o0) \
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                      : "1" (__o0), "r" (__o1), "r" (__g1) \
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                      : "cc"); \
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if (__res < -255 || __res >= 0) \
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        return (type) __res; \
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/*errno = -__res;*/ \
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return -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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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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register long __o0 __asm__ ("o0") = (long)(arg1); \
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register long __o1 __asm__ ("o1") = (long)(arg2); \
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register long __o2 __asm__ ("o2") = (long)(arg3); \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res), "=&r" (__o0) \
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                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__g1) \
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                      : "cc"); \
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if (__res < -255 || __res>=0) \
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        return (type) __res; \
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/*errno = -__res;*/ \
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return -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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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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register long __o0 __asm__ ("o0") = (long)(arg1); \
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register long __o1 __asm__ ("o1") = (long)(arg2); \
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register long __o2 __asm__ ("o2") = (long)(arg3); \
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register long __o3 __asm__ ("o3") = (long)(arg4); \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res), "=&r" (__o0) \
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                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__g1) \
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                      : "cc"); \
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if (__res < -255 || __res>=0) \
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        return (type) __res; \
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/*errno = -__res;*/ \
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return -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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long __res; \
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register long __g1 __asm__ ("g1") = __NR_##name; \
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register long __o0 __asm__ ("o0") = (long)(arg1); \
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register long __o1 __asm__ ("o1") = (long)(arg2); \
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register long __o2 __asm__ ("o2") = (long)(arg3); \
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register long __o3 __asm__ ("o3") = (long)(arg4); \
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register long __o4 __asm__ ("o4") = (long)(arg5); \
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__asm__ __volatile__ ("t 0x10\n\t" \
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                      "bcc 1f\n\t" \
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                      "mov %%o0, %0\n\t" \
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                      "sub %%g0, %%o0, %0\n\t" \
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                      "1:\n\t" \
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                      : "=r" (__res), "=&r" (__o0) \
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                      : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__g1) \
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                      : "cc"); \
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if (__res < -255 || __res>=0) \
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        return (type) __res; \
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/*errno = -__res; */\
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return -1; \
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}

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