Author: Armin Rigo <ar...@tunes.org>
Branch:
Changeset: r1285:40049c1f292a
Date: 2013-07-18 21:32 +0200
http://bitbucket.org/cffi/cffi/changeset/40049c1f292a/
Log: Attempt a fix for Win64
diff --git a/c/libffi_msvc/ffi.c b/c/libffi_msvc/ffi.c
--- a/c/libffi_msvc/ffi.c
+++ b/c/libffi_msvc/ffi.c
@@ -102,6 +102,15 @@
FFI_ASSERT(0);
}
}
+#ifdef _WIN64
+ else if (z > 8)
+ {
+ /* On Win64, if a single argument takes more than 8 bytes,
+ then it is always passed by reference. */
+ *(void **)argp = *p_argv;
+ z = 8;
+ }
+#endif
else
{
memcpy(argp, *p_argv, z);
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