re PR libffi/40700 (All amd64 libffi execution tests fail on Solaris 10/x86)

	PR libffi/40700
	* src/closures.c [X86_64 && __sun__ && __svr4__]
	(FFI_MMAP_EXEC_WRIT): Define.

From-SVN: r155124

libffi/ChangeLog

+2009-12-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libffi/40700
+	* src/closures.c [X86_64 && __sun__ && __svr4__]
+	(FFI_MMAP_EXEC_WRIT): Define.
+
 2009-12-08  David Daney  <ddaney@caviumnetworks.com>
 
 	* testsuite/libffi.call/stret_medium.c: Remove xfail for mips*-*-*

libffi/src/closures.c

 /* -----------------------------------------------------------------------
    closures.c - Copyright (c) 2007  Red Hat, Inc.
-   Copyright (C) 2007 Free Software Foundation, Inc
+   Copyright (C) 2007, 2009 Free Software Foundation, Inc
 
    Code to allocate and deallocate memory for closures.
 
@@ -50,6 +50,11 @@
    executable memory. */
 #  define FFI_MMAP_EXEC_WRIT 1
 # endif
+# if defined(X86_64) && defined(__sun__) && defined(__svr4__)
+/* The data segment on 64-bit Solaris/x86 isn't executable, so use mmap
+   instead.  */
+#  define FFI_MMAP_EXEC_WRIT 1
+# endif
 #endif
 
 #if FFI_MMAP_EXEC_WRIT && !defined FFI_MMAP_EXEC_SELINUX