Currently UCLIBC_SYSCALL_ALIGN_64BIT is not explicitly handled. Fix that
and make sure the special handling is done for powerpc/xtensa which use
UCLIBC_SYSCALL_ALIGN_64BIT but don't use hole punched syscall handler in
kernel.

Signed-off-by: Vineet Gupta <[email protected]>
Cc: Baruch Siach <[email protected]>
Cc: Max Filippov <[email protected]>
---
 libc/sysdeps/linux/common/sync_file_range.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/libc/sysdeps/linux/common/sync_file_range.c 
b/libc/sysdeps/linux/common/sync_file_range.c
index 6cd7e94d6af6..db797de6272a 100644
--- a/libc/sysdeps/linux/common/sync_file_range.c
+++ b/libc/sysdeps/linux/common/sync_file_range.c
@@ -24,7 +24,11 @@ static int __NC(sync_file_range)(int fd, off64_t offset, 
off64_t nbytes, unsigne
 {
 #  if defined __powerpc__ && __WORDSIZE == 64
        return INLINE_SYSCALL(sync_file_range, 4, fd, flags, offset, nbytes);
-#  elif defined __mips__ && _MIPS_SIM == _ABIO32
+#  elif (defined __mips__ && _MIPS_SIM == _ABIO32) || \
+       (defined(__UCLIBC_SYSCALL_ALIGN_64BIT__) && !(defined(__powerpc__) || 
defined(__xtensa__)))
+       /* arch with 64-bit data in even reg alignment #2: 
[arcv2/others-in-future]
+        * stock syscall handler in kernel (reg hole punched)
+        * see libc/sysdeps/linux/common/posix_fadvise.c for more details */
        return INLINE_SYSCALL(sync_file_range, 7, fd, 0,
                        OFF64_HI_LO(offset), OFF64_HI_LO(nbytes), flags);
 #  elif defined __NR_sync_file_range2
-- 
1.9.1

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