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@@ -4,6 +4,10 @@
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# error "Never use <bits/syscalls.h> directly; include <sys/syscall.h> instead."
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#endif
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+#define __UCLIBC_MMAP_HAS_6_ARGS__
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+
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+#include <bits/wordsize.h>
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+
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/* This includes the `__NR_<name>' syscall numbers taken from the Linux kernel
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* header files. It also defines the traditional `SYS_<name>' macros for older
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* programs. */
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@@ -13,47 +17,106 @@
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# define __set_errno(val) (*__errno_location ()) = (val)
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#endif
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-/*
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- macros taken from glibc-2.3/sysdeps/unix/sysv/linux/sparc/sysdep.h
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- Copyright (C) 2000, 2002 Free Software Foundation, Inc.
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- Contributed by Jakub Jelinek <jakub@redhat.com>, 2000.
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-*/
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-
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#ifndef __ASSEMBLER__
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+#undef __SYSCALL_STRING
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+#if __WORDSIZE == 32
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+# define __SYSCALL_STRING \
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+ "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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+# define __SYSCALL_RES_CHECK (__res < -255 || __res >= 0)
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+#elif __WORDSIZE == 64
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+# define __SYSCALL_STRING \
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+ "t 0x6d\n\t" \
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+ "sub %%g0, %%o0, %0\n\t" \
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+ "movcc %%xcc, %%o0, %0\n\t"
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+# define __SYSCALL_RES_CHECK (__res >= 0)
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+#else
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+# error unknown __WORDSIZE
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+#endif
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+
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+#define __SYSCALL_RETURN(type) \
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+ if (__SYSCALL_RES_CHECK) \
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+ return (type) __res; \
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+ __set_errno (-__res); \
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+ return (type) -1;
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+
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#undef _syscall0
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#define _syscall0(type,name) \
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type name(void) \
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{ \
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-return (type) (INLINE_SYSCALL(name, 0)); \
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+long __res; \
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+register long __g1 __asm__ ("g1") = __NR_##name; \
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+__asm__ __volatile__ (__SYSCALL_STRING \
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+ : "=r" (__res)\
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+ : "r" (__g1) \
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+ : "o0", "cc"); \
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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall1
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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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-return (type) (INLINE_SYSCALL(name, 1, arg1)); \
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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__ (__SYSCALL_STRING \
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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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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall2
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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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-return (type) (INLINE_SYSCALL(name, 2, arg1, arg2)); \
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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__ (__SYSCALL_STRING \
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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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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall3
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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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-return (type) (INLINE_SYSCALL(name, 3, arg1, arg2, arg3)); \
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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__ (__SYSCALL_STRING \
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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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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall4
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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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-return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4)); \
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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__ (__SYSCALL_STRING \
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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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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall5
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@@ -61,7 +124,18 @@ return (type) (INLINE_SYSCALL(name, 4, arg1, arg2, arg3, 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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-return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
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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__ (__SYSCALL_STRING \
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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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+__SYSCALL_RETURN(type) \
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}
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#undef _syscall6
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@@ -69,132 +143,20 @@ return (type) (INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5)); \
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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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-return (type) (INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6)); \
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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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+register long __o5 __asm__ ("o5") = (long)(arg6); \
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+__asm__ __volatile__ (__SYSCALL_STRING \
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+ : "=r" (__res), "=&r" (__o0) \
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+ : "1" (__o0), "r" (__o1), "r" (__o2), "r" (__o3), "r" (__o4), "r" (__o5), "r" (__g1) \
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+ : "cc"); \
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+__SYSCALL_RETURN(type) \
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}
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-#undef _syscall7
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-#define _syscall7(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4, \
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- type5,arg5,type6,arg6,type7,arg7) \
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-type name (type1 arg1,type2 arg2,type3 arg3,type4 arg4,type5 arg5, type6 arg6,type7 arg7) \
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-{ \
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-return (type) (INLINE_SYSCALL(name, 7, arg1, arg2, arg3, arg4, arg5, arg6, arg7)); \
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-}
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-
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-#define __SYSCALL_STRING \
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- "ta 0x10;" \
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- "bcs 2f;" \
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- " nop;" \
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- "1:" \
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- ".subsection 2;" \
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- "2:" \
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- "save %%sp, -192, %%sp;" \
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- "call __errno_location;" \
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- " nop;" \
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- "st %%i0,[%%o0];" \
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- "ba 1b;" \
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- " restore %%g0, -1, %%o0;" \
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- ".previous;"
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-
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-#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7", \
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- "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
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- "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
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- "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
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- "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
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- "cc", "memory"
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-
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-#undef INLINE_SYSCALL
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-#define INLINE_SYSCALL(name, nr, args...) _INLINE_SYSCALL##nr(name, args)
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-
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-#define _INLINE_SYSCALL0(name,dummy...) \
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-({ \
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- register long __o0 __asm__ ("o0"); \
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- register long __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL1(name,arg1) \
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-({ \
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- register long __o0 __asm__ ("o0") = (long)(arg1); \
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- register long __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL2(name,arg1,arg2) \
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-({ \
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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 __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0), "r" (__o1) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL3(name,arg1,arg2,arg3) \
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-({ \
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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 __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0), "r" (__o1), \
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- "r" (__o2) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL4(name,arg1,arg2,arg3,arg4) \
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-({ \
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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 __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0), "r" (__o1), \
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- "r" (__o2), "r" (__o3) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL5(name,arg1,arg2,arg3,arg4,arg5) \
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-({ \
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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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- register long __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0), "r" (__o1), \
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- "r" (__o2), "r" (__o3), "r" (__o4) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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-#define _INLINE_SYSCALL6(name,arg1,arg2,arg3,arg4,arg5,arg6) \
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-({ \
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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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- register long __o5 __asm__ ("o5") = (long)(arg6); \
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- register long __g1 __asm__ ("g1") = __NR_##name; \
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- __asm __volatile (__SYSCALL_STRING : "=r" (__g1), "=r" (__o0) : \
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- "0" (__g1), "1" (__o0), "r" (__o1), \
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- "r" (__o2), "r" (__o3), "r" (__o4), \
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- "r" (__o5) : \
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- __SYSCALL_CLOBBERS); \
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- __o0; \
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-})
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-
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#endif /* __ASSEMBLER__ */
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#endif /* _BITS_SYSCALLS_H */
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-
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