patches/aix-ibm-xlc

Index: libffi/ChangeLog
===================================================================
--- libffi.orig/ChangeLog
+++ libffi/ChangeLog
@@ -1,3 +1,16 @@
+2011-02-11  Anthony Green  <green@moxielogic.com>
+
+	From Tom Honermann <tom.honermann@oracle.com>:
+	* src/powerpc/aix.S (ffi_call_AIX): Support for xlc toolchain on
+	AIX.  Declare .ffi_prep_args.  Insert nops after branch
+	instructions so that the AIX linker can insert TOC reload
+	instructions.
+	* src/powerpc/aix_closure.S: Declare .ffi_closure_helper_DARWIN.
+
+2011-02-08  Uli Link  <ul.mcamafia@linkitup.de>
+
+	* include/ffi.h.in (FFI_64_BIT_MAX): Define and use.
+
 2011-02-08  Rafael Avila de Espindola  <respindola@mozilla.com>
 
 	* configure.ac: Fix x86 test for pc related relocs.
Index: libffi/include/ffi.h.in
===================================================================
--- libffi.orig/include/ffi.h.in
+++ libffi/include/ffi.h.in
@@ -1,16 +1,17 @@
 /* -----------------------------------------------------------------*-C-*-
-   libffi @VERSION@ - Copyright (c) 1996-2003, 2007, 2008  Red Hat, Inc.
+   libffi @VERSION@ - Copyright (c) 2011 Anthony Green
+                    - Copyright (c) 1996-2003, 2007, 2008 Red Hat, Inc.
 
-   Permission is hereby granted, free of charge, to any person obtaining
-   a copy of this software and associated documentation files (the
-   ``Software''), to deal in the Software without restriction, including
-   without limitation the rights to use, copy, modify, merge, publish,
-   distribute, sublicense, and/or sell copies of the Software, and to
-   permit persons to whom the Software is furnished to do so, subject to
-   the following conditions:
+   Permission is hereby granted, free of charge, to any person
+   obtaining a copy of this software and associated documentation
+   files (the ``Software''), to deal in the Software without
+   restriction, including without limitation the rights to use, copy,
+   modify, merge, publish, distribute, sublicense, and/or sell copies
+   of the Software, and to permit persons to whom the Software is
+   furnished to do so, subject to the following conditions:
 
-   The above copyright notice and this permission notice shall be included
-   in all copies or substantial portions of the Software.
+   The above copyright notice and this permission notice shall be
+   included in all copies or substantial portions of the Software.
 
    THE SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND,
    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
@@ -77,6 +78,9 @@ extern "C" {
 /* LONG_LONG_MAX is not always defined (not if STRICT_ANSI, for example).
    But we can find it either under the correct ANSI name, or under GNU
    C's internal name.  */
+
+#define FFI_64_BIT_MAX 9223372036854775807
+
 #ifdef LONG_LONG_MAX
 # define FFI_LONG_LONG_MAX LONG_LONG_MAX
 #else
@@ -86,6 +90,15 @@ extern "C" {
 #  ifdef __GNUC__
 #   define FFI_LONG_LONG_MAX __LONG_LONG_MAX__
 #  endif
+#  ifdef _AIX
+#   ifndef __PPC64__
+#    if defined (__IBMC__) || defined (__IBMCPP__)
+#     define FFI_LONG_LONG_MAX LONGLONG_MAX
+#    endif
+#   endif /* __PPC64__ */
+#   undef  FFI_64_BIT_MAX
+#   define FFI_64_BIT_MAX 9223372036854775807LL
+#  endif
 # endif
 #endif
 
@@ -132,17 +145,17 @@ typedef struct _ffi_type
 #endif
 
 #if LONG_MAX == 2147483647
-# if FFI_LONG_LONG_MAX != 9223372036854775807
+# if FFI_LONG_LONG_MAX != FFI_64_BIT_MAX
  #error "no 64-bit data type supported"
 # endif
-#elif LONG_MAX != 9223372036854775807
+#elif LONG_MAX != FFI_64_BIT_MAX
  #error "long size not supported"
 #endif
 
 #if LONG_MAX == 2147483647
 # define ffi_type_ulong        ffi_type_uint32
 # define ffi_type_slong        ffi_type_sint32
-#elif LONG_MAX == 9223372036854775807
+#elif LONG_MAX == FFI_64_BIT_MAX
 # define ffi_type_ulong        ffi_type_uint64
 # define ffi_type_slong        ffi_type_sint64
 #else
@@ -195,7 +208,7 @@ typedef struct {
 #ifndef FFI_SIZEOF_ARG
 # if LONG_MAX == 2147483647
 #  define FFI_SIZEOF_ARG        4
-# elif LONG_MAX == 9223372036854775807
+# elif LONG_MAX == FFI_64_BIT_MAX
 #  define FFI_SIZEOF_ARG        8
 # endif
 #endif
Index: libffi/src/powerpc/aix.S
===================================================================
--- libffi.orig/src/powerpc/aix.S
+++ libffi/src/powerpc/aix.S
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------
-   aix.S - Copyright (c) 2002,2009 Free Software Foundation, Inc.
+   aix.S - Copyright (c) 2002, 2009 Free Software Foundation, Inc.
    based on darwin.S by John Hornkvist
 
    PowerPC Assembly glue.
@@ -79,6 +79,8 @@
 	.set f20,20
 	.set f21,21
 
+	.extern .ffi_prep_args
+
 #define LIBFFI_ASM
 #include <fficonfig.h>
 #include <ffi.h>
@@ -125,6 +127,7 @@ ffi_call_AIX:
 	/* Call ffi_prep_args.  */
 	mr	r4, r1
 	bl	.ffi_prep_args
+	nop
 
 	/* Now do the call.  */
 	ld	r0, 0(r29)
@@ -226,6 +229,7 @@ L(float_return_value):
 	/* Call ffi_prep_args.  */
 	mr	r4, r1
 	bl	.ffi_prep_args
+	nop
 
 	/* Now do the call.  */
 	lwz	r0, 0(r29)
Index: libffi/src/powerpc/aix_closure.S
===================================================================
--- libffi.orig/src/powerpc/aix_closure.S
+++ libffi/src/powerpc/aix_closure.S
@@ -79,6 +79,8 @@
 	.set f20,20
 	.set f21,21
 
+	.extern .ffi_closure_helper_DARWIN
+
 #define LIBFFI_ASM
 #define JUMPTARGET(name) name
 #define L(x) x