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58 lines
2.3 KiB
Diff
58 lines
2.3 KiB
Diff
Index: uClibc-0.9.33.2/libc/sysdeps/linux/common/sync_file_range.c
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===================================================================
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--- uClibc-0.9.33.2.orig/libc/sysdeps/linux/common/sync_file_range.c 2012-05-15 09:20:09.000000000 +0200
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+++ uClibc-0.9.33.2/libc/sysdeps/linux/common/sync_file_range.c 2015-04-03 00:27:47.701221722 +0200
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@@ -4,24 +4,39 @@
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*
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* Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org>
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*
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- * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
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+ * Licensed under the LGPL v2.1 or later, see the file COPYING.LIB in this tarball.
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*/
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#include <sys/syscall.h>
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-#if defined __USE_GNU
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-#include <fcntl.h>
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+#if defined __UCLIBC_HAS_LFS__ && defined __USE_GNU
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+# include <bits/wordsize.h>
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+# include <endian.h>
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+# include <fcntl.h>
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-#if defined __NR_sync_file_range && defined __UCLIBC_HAS_LFS__
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-#define __NR___syscall_sync_file_range __NR_sync_file_range
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-static __inline__ _syscall6(int, __syscall_sync_file_range, int, fd,
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- off_t, offset_hi, off_t, offset_lo,
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- off_t, nbytes_hi, off_t, nbytes_lo, unsigned int, flags)
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+# ifdef __NR_sync_file_range2
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+# undef __NR_sync_file_range
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+# define __NR_sync_file_range __NR_sync_file_range2
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+# endif
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+
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+# ifdef __NR_sync_file_range
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int sync_file_range(int fd, off64_t offset, off64_t nbytes, unsigned int flags)
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{
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- return __syscall_sync_file_range(fd,
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- __LONG_LONG_PAIR((long)(offset >> 32), (long)(offset & 0xffffffff)),
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- __LONG_LONG_PAIR((long)(nbytes >> 32), (long)(nbytes & 0xffffffff)),
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- flags);
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+# if defined __powerpc__ && __WORDSIZE == 64
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+ return INLINE_SYSCALL(sync_file_range, 4, fd, flags, offset, nbytes);
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+# elif (defined __mips__ && _MIPS_SIM == _ABIO32) || \
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+ (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && !(defined(__powerpc__) || defined(__xtensa__)))
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+ /* arch with 64-bit data in even reg alignment #2: [arcv2/others-in-future]
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+ * stock syscall handler in kernel (reg hole punched)
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+ * see libc/sysdeps/linux/common/posix_fadvise.c for more details */
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+ return INLINE_SYSCALL(sync_file_range, 7, fd, 0,
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+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags);
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+# elif defined __NR_sync_file_range2
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+ return INLINE_SYSCALL(sync_file_range, 6, fd, flags,
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+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes));
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+# else
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+ return INLINE_SYSCALL(sync_file_range, 6, fd,
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+ OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags);
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+# endif
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}
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-#endif
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+# endif
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#endif
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