ffitarget.h: Import from upstream.

	* src/powerpc/ffitarget.h: Import from upstream.
	* src/powerpc/ffi_powerpc.h: Likewise.
	* src/powerpc/ffi.c: Likewise.
	* src/powerpc/ffi_sysv.c: Likewise.
	* src/powerpc/ffi_linux64.c: Likewise.
	* src/powerpc/sysv.S: Likewise.
	* src/powerpc/ppc_closure.S: Likewise.
	* src/powerpc/linux64.S: Likewise.
	* src/powerpc/linux64_closure.S: Likewise.
	* src/types.c: Likewise.
	* Makefile.am (EXTRA_DIST): Add new src/powerpc files.
	(nodist_libffi_la_SOURCES <POWERPC, POWERPC_FREEBSD>): Likewise.
	* configure.ac (HAVE_LONG_DOUBLE_VARIANT): Define for powerpc.
	* include/ffi.h.in (ffi_prep_types): Declare.
	* src/prep_cif.c (ffi_prep_cif_core): Call ffi_prep_types.
	* configure: Regenerate.
	* fficonfig.h.in: Regenerate.
	* Makefile.in: Regenerate.
	* man/Makefile.in: Regenerate.
	* include/Makefile.in: Regenerate.
	* testsuite/Makefile.in: Regenerate.

From-SVN: r205844

libffi/ChangeLog

+2013-12-10  Alan Modra  <amodra@gmail.com>
+
+	* src/powerpc/ffitarget.h: Import from upstream.
+	* src/powerpc/ffi_powerpc.h: Likewise.
+	* src/powerpc/ffi.c: Likewise.
+	* src/powerpc/ffi_sysv.c: Likewise.
+	* src/powerpc/ffi_linux64.c: Likewise.
+	* src/powerpc/sysv.S: Likewise.
+	* src/powerpc/ppc_closure.S: Likewise.
+	* src/powerpc/linux64.S: Likewise.
+	* src/powerpc/linux64_closure.S: Likewise.
+	* src/types.c: Likewise.
+	* Makefile.am (EXTRA_DIST): Add new src/powerpc files.
+	(nodist_libffi_la_SOURCES <POWERPC, POWERPC_FREEBSD>): Likewise.
+	* configure.ac (HAVE_LONG_DOUBLE_VARIANT): Define for powerpc.
+	* include/ffi.h.in (ffi_prep_types): Declare.
+	* src/prep_cif.c (ffi_prep_cif_core): Call ffi_prep_types.
+	* configure: Regenerate.
+	* fficonfig.h.in: Regenerate.
+	* Makefile.in: Regenerate.
+	* man/Makefile.in: Regenerate.
+	* include/Makefile.in: Regenerate.
+	* testsuite/Makefile.in: Regenerate.
+
 2013-11-18  Alan Modra  <amodra@gmail.com>
 
 	* src/powerpc/ppc_closure.S: Don't bl .Luint128.

libffi/Makefile.am

@@ -15,10 +15,12 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host	\
 	 src/ia64/unix.S src/mips/ffi.c src/mips/n32.S src/mips/o32.S	\
 	 src/mips/ffitarget.h src/m32r/ffi.c src/m32r/sysv.S		\
 	 src/m32r/ffitarget.h src/m68k/ffi.c src/m68k/sysv.S		\
-	 src/m68k/ffitarget.h src/powerpc/ffi.c src/powerpc/sysv.S	\
-	 src/powerpc/linux64.S src/powerpc/linux64_closure.S		\
-	 src/powerpc/ppc_closure.S src/powerpc/asm.h			\
-	src/powerpc/aix.S src/powerpc/darwin.S				\
+	 src/m68k/ffitarget.h						\
+	src/powerpc/ffi.c src/powerpc/ffi_powerpc.h			\
+	src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c		\
+	src/powerpc/sysv.S src/powerpc/linux64.S			\
+	src/powerpc/linux64_closure.S src/powerpc/ppc_closure.S		\
+	src/powerpc/asm.h src/powerpc/aix.S src/powerpc/darwin.S	\
 	src/powerpc/aix_closure.S src/powerpc/darwin_closure.S		\
 	src/powerpc/ffi_darwin.c src/powerpc/ffitarget.h		\
 	src/s390/ffi.c src/s390/sysv.S src/s390/ffitarget.h		\
@@ -179,7 +181,7 @@ if M68K
 nodist_libffi_la_SOURCES += src/m68k/ffi.c src/m68k/sysv.S
 endif
 if POWERPC
-nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
+nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
 endif
 if POWERPC_AIX
 nodist_libffi_la_SOURCES += src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closure.S
@@ -188,7 +190,7 @@ if POWERPC_DARWIN
 nodist_libffi_la_SOURCES += src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
 endif
 if POWERPC_FREEBSD
-nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
+nodist_libffi_la_SOURCES += src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
 endif
 if AARCH64
 nodist_libffi_la_SOURCES += src/aarch64/sysv.S src/aarch64/ffi.c

libffi/Makefile.in

@@ -48,10 +48,10 @@ target_triplet = @target@
 @IA64_TRUE@am__append_11 = src/ia64/ffi.c src/ia64/unix.S
 @M32R_TRUE@am__append_12 = src/m32r/sysv.S src/m32r/ffi.c
 @M68K_TRUE@am__append_13 = src/m68k/ffi.c src/m68k/sysv.S
-@POWERPC_TRUE@am__append_14 = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
+@POWERPC_TRUE@am__append_14 = src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c src/powerpc/sysv.S src/powerpc/ppc_closure.S src/powerpc/linux64.S src/powerpc/linux64_closure.S
 @POWERPC_AIX_TRUE@am__append_15 = src/powerpc/ffi_darwin.c src/powerpc/aix.S src/powerpc/aix_closure.S
 @POWERPC_DARWIN_TRUE@am__append_16 = src/powerpc/ffi_darwin.c src/powerpc/darwin.S src/powerpc/darwin_closure.S
-@POWERPC_FREEBSD_TRUE@am__append_17 = src/powerpc/ffi.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
+@POWERPC_FREEBSD_TRUE@am__append_17 = src/powerpc/ffi.c src/powerpc/ffi_sysv.c src/powerpc/sysv.S src/powerpc/ppc_closure.S
 @AARCH64_TRUE@am__append_18 = src/aarch64/sysv.S src/aarch64/ffi.c
 @ARM_TRUE@am__append_19 = src/arm/sysv.S src/arm/ffi.c
 @ARM_TRUE@@FFI_EXEC_TRAMPOLINE_TABLE_TRUE@am__append_20 = src/arm/trampoline.S
@@ -136,7 +136,9 @@ am_libffi_la_OBJECTS = src/prep_cif.lo src/types.lo src/raw_api.lo \
 @IA64_TRUE@am__objects_11 = src/ia64/ffi.lo src/ia64/unix.lo
 @M32R_TRUE@am__objects_12 = src/m32r/sysv.lo src/m32r/ffi.lo
 @M68K_TRUE@am__objects_13 = src/m68k/ffi.lo src/m68k/sysv.lo
-@POWERPC_TRUE@am__objects_14 = src/powerpc/ffi.lo src/powerpc/sysv.lo \
+@POWERPC_TRUE@am__objects_14 = src/powerpc/ffi.lo \
+@POWERPC_TRUE@	src/powerpc/ffi_sysv.lo \
+@POWERPC_TRUE@	src/powerpc/ffi_linux64.lo src/powerpc/sysv.lo \
 @POWERPC_TRUE@	src/powerpc/ppc_closure.lo \
 @POWERPC_TRUE@	src/powerpc/linux64.lo \
 @POWERPC_TRUE@	src/powerpc/linux64_closure.lo
@@ -147,6 +149,7 @@ am_libffi_la_OBJECTS = src/prep_cif.lo src/types.lo src/raw_api.lo \
 @POWERPC_DARWIN_TRUE@	src/powerpc/darwin.lo \
 @POWERPC_DARWIN_TRUE@	src/powerpc/darwin_closure.lo
 @POWERPC_FREEBSD_TRUE@am__objects_17 = src/powerpc/ffi.lo \
+@POWERPC_FREEBSD_TRUE@	src/powerpc/ffi_sysv.lo \
 @POWERPC_FREEBSD_TRUE@	src/powerpc/sysv.lo \
 @POWERPC_FREEBSD_TRUE@	src/powerpc/ppc_closure.lo
 @AARCH64_TRUE@am__objects_18 = src/aarch64/sysv.lo src/aarch64/ffi.lo
@@ -319,6 +322,7 @@ FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
 FGREP = @FGREP@
 GREP = @GREP@
 HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
+HAVE_LONG_DOUBLE_VARIANT = @HAVE_LONG_DOUBLE_VARIANT@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@
@@ -428,10 +432,12 @@ EXTRA_DIST = LICENSE ChangeLog.v1 ChangeLog.libgcj configure.host	\
 	 src/ia64/unix.S src/mips/ffi.c src/mips/n32.S src/mips/o32.S	\
 	 src/mips/ffitarget.h src/m32r/ffi.c src/m32r/sysv.S		\
 	 src/m32r/ffitarget.h src/m68k/ffi.c src/m68k/sysv.S		\
-	 src/m68k/ffitarget.h src/powerpc/ffi.c src/powerpc/sysv.S	\
-	 src/powerpc/linux64.S src/powerpc/linux64_closure.S		\
-	 src/powerpc/ppc_closure.S src/powerpc/asm.h			\
-	src/powerpc/aix.S src/powerpc/darwin.S				\
+	 src/m68k/ffitarget.h						\
+	src/powerpc/ffi.c src/powerpc/ffi_powerpc.h			\
+	src/powerpc/ffi_sysv.c src/powerpc/ffi_linux64.c		\
+	src/powerpc/sysv.S src/powerpc/linux64.S			\
+	src/powerpc/linux64_closure.S src/powerpc/ppc_closure.S		\
+	src/powerpc/asm.h src/powerpc/aix.S src/powerpc/darwin.S	\
 	src/powerpc/aix_closure.S src/powerpc/darwin_closure.S		\
 	src/powerpc/ffi_darwin.c src/powerpc/ffitarget.h		\
 	src/s390/ffi.c src/s390/sysv.S src/s390/ffitarget.h		\
@@ -752,6 +758,10 @@ src/powerpc/$(DEPDIR)/$(am__dirstamp):
 	@: > src/powerpc/$(DEPDIR)/$(am__dirstamp)
 src/powerpc/ffi.lo: src/powerpc/$(am__dirstamp) \
 	src/powerpc/$(DEPDIR)/$(am__dirstamp)
+src/powerpc/ffi_sysv.lo: src/powerpc/$(am__dirstamp) \
+	src/powerpc/$(DEPDIR)/$(am__dirstamp)
+src/powerpc/ffi_linux64.lo: src/powerpc/$(am__dirstamp) \
+	src/powerpc/$(DEPDIR)/$(am__dirstamp)
 src/powerpc/sysv.lo: src/powerpc/$(am__dirstamp) \
 	src/powerpc/$(DEPDIR)/$(am__dirstamp)
 src/powerpc/ppc_closure.lo: src/powerpc/$(am__dirstamp) \
@@ -953,6 +963,10 @@ mostlyclean-compile:
 	-rm -f src/powerpc/ffi.lo
 	-rm -f src/powerpc/ffi_darwin.$(OBJEXT)
 	-rm -f src/powerpc/ffi_darwin.lo
+	-rm -f src/powerpc/ffi_linux64.$(OBJEXT)
+	-rm -f src/powerpc/ffi_linux64.lo
+	-rm -f src/powerpc/ffi_sysv.$(OBJEXT)
+	-rm -f src/powerpc/ffi_sysv.lo
 	-rm -f src/powerpc/linux64.$(OBJEXT)
 	-rm -f src/powerpc/linux64.lo
 	-rm -f src/powerpc/linux64_closure.$(OBJEXT)
@@ -1050,6 +1064,8 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/darwin_closure.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_darwin.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_linux64.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ffi_sysv.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/linux64.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/linux64_closure.Plo@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@src/powerpc/$(DEPDIR)/ppc_closure.Plo@am__quote@

libffi/configure

@@ -613,6 +613,7 @@ TARGET
 FFI_EXEC_TRAMPOLINE_TABLE
 FFI_EXEC_TRAMPOLINE_TABLE_FALSE
 FFI_EXEC_TRAMPOLINE_TABLE_TRUE
+HAVE_LONG_DOUBLE_VARIANT
 HAVE_LONG_DOUBLE
 ALLOCA
 TILE_FALSE
@@ -10906,7 +10907,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 10909 "configure"
+#line 10910 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11012,7 +11013,7 @@ else
   lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
   lt_status=$lt_dlunknown
   cat > conftest.$ac_ext <<_LT_EOF
-#line 11015 "configure"
+#line 11016 "configure"
 #include "confdefs.h"
 
 #if HAVE_DLFCN_H
@@ -11449,6 +11450,7 @@ fi
 
 
 TARGETDIR="unknown"
+HAVE_LONG_DOUBLE_VARIANT=0
 case "$host" in
   aarch64*-*-*)
 	TARGET=AARCH64; TARGETDIR=aarch64
@@ -11546,6 +11548,7 @@ case "$host" in
 
   powerpc*-*-linux* | powerpc-*-sysv*)
 	TARGET=POWERPC; TARGETDIR=powerpc
+	HAVE_LONG_DOUBLE_VARIANT=1
 	;;
   powerpc-*-amigaos*)
 	TARGET=POWERPC; TARGETDIR=powerpc
@@ -11561,6 +11564,7 @@ case "$host" in
 	;;
   powerpc-*-freebsd* | powerpc-*-openbsd*)
 	TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
+	HAVE_LONG_DOUBLE_VARIANT=1
 	;;
   powerpc64-*-freebsd*)
 	TARGET=POWERPC; TARGETDIR=powerpc
@@ -12236,17 +12240,25 @@ _ACEOF
 # Also AC_SUBST this variable for ffi.h.
 if test -z "$HAVE_LONG_DOUBLE"; then
   HAVE_LONG_DOUBLE=0
-  if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
-    if test $ac_cv_sizeof_long_double != 0; then
+  if test $ac_cv_sizeof_long_double != 0; then
+    if test $HAVE_LONG_DOUBLE_VARIANT != 0; then
+
+$as_echo "#define HAVE_LONG_DOUBLE_VARIANT 1" >>confdefs.h
+
       HAVE_LONG_DOUBLE=1
+    else
+      if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
+        HAVE_LONG_DOUBLE=1
 
 $as_echo "#define HAVE_LONG_DOUBLE 1" >>confdefs.h
 
+      fi
     fi
   fi
 fi
 
 
+
  { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether byte ordering is bigendian" >&5
 $as_echo_n "checking whether byte ordering is bigendian... " >&6; }
 if test "${ac_cv_c_bigendian+set}" = set; then :

libffi/configure.ac

@@ -65,6 +65,7 @@ dnl The -no-testsuite modules omit the test subdir.
 AM_CONDITIONAL(TESTSUBDIR, test -d $srcdir/testsuite)
 
 TARGETDIR="unknown"
+HAVE_LONG_DOUBLE_VARIANT=0
 case "$host" in
   aarch64*-*-*)
 	TARGET=AARCH64; TARGETDIR=aarch64
@@ -162,6 +163,7 @@ case "$host" in
 
   powerpc*-*-linux* | powerpc-*-sysv*)
 	TARGET=POWERPC; TARGETDIR=powerpc
+	HAVE_LONG_DOUBLE_VARIANT=1
 	;;
   powerpc-*-amigaos*)
 	TARGET=POWERPC; TARGETDIR=powerpc
@@ -177,6 +179,7 @@ case "$host" in
 	;;
   powerpc-*-freebsd* | powerpc-*-openbsd*)
 	TARGET=POWERPC_FREEBSD; TARGETDIR=powerpc
+	HAVE_LONG_DOUBLE_VARIANT=1
 	;;
   powerpc64-*-freebsd*)
 	TARGET=POWERPC; TARGETDIR=powerpc
@@ -273,14 +276,20 @@ AC_CHECK_SIZEOF(long double)
 # Also AC_SUBST this variable for ffi.h.
 if test -z "$HAVE_LONG_DOUBLE"; then
   HAVE_LONG_DOUBLE=0
-  if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
-    if test $ac_cv_sizeof_long_double != 0; then
+  if test $ac_cv_sizeof_long_double != 0; then
+    if test $HAVE_LONG_DOUBLE_VARIANT != 0; then
+      AC_DEFINE(HAVE_LONG_DOUBLE_VARIANT, 1, [Define if you support more than one size of the long double type])
       HAVE_LONG_DOUBLE=1
-      AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+    else
+      if test $ac_cv_sizeof_double != $ac_cv_sizeof_long_double; then
+        HAVE_LONG_DOUBLE=1
+        AC_DEFINE(HAVE_LONG_DOUBLE, 1, [Define if you have the long double type and it is bigger than a double])
+      fi
     fi
   fi
 fi
 AC_SUBST(HAVE_LONG_DOUBLE)
+AC_SUBST(HAVE_LONG_DOUBLE_VARIANT)
 
 AC_C_BIGENDIAN
 

libffi/fficonfig.h.in

@@ -73,6 +73,9 @@
 /* Define if you have the long double type and it is bigger than a double */
 #undef HAVE_LONG_DOUBLE
 
+/* Define if you support more than one size of the long double type */
+#undef HAVE_LONG_DOUBLE_VARIANT
+
 /* Define to 1 if you have the `memcpy' function. */
 #undef HAVE_MEMCPY
 

libffi/include/Makefile.in

@@ -115,6 +115,7 @@ FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
 FGREP = @FGREP@
 GREP = @GREP@
 HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
+HAVE_LONG_DOUBLE_VARIANT = @HAVE_LONG_DOUBLE_VARIANT@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@

libffi/include/ffi.h.in

@@ -207,6 +207,11 @@ typedef struct {
 #endif
 } ffi_cif;
 
+#if HAVE_LONG_DOUBLE_VARIANT
+/* Used to adjust size/alignment of ffi types.  */
+void ffi_prep_types (ffi_abi abi);
+# endif
+
 /* Used internally, but overridden by some architectures */
 ffi_status ffi_prep_cif_core(ffi_cif *cif,
 			     ffi_abi abi,

libffi/man/Makefile.in

@@ -113,6 +113,7 @@ FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
 FGREP = @FGREP@
 GREP = @GREP@
 HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
+HAVE_LONG_DOUBLE_VARIANT = @HAVE_LONG_DOUBLE_VARIANT@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@

libffi/src/powerpc/ffi_powerpc.h

+/* -----------------------------------------------------------------------
+   ffi_powerpc.h - Copyright (C) 2013 IBM
+                   Copyright (C) 2011 Anthony Green
+                   Copyright (C) 2011 Kyle Moffett
+                   Copyright (C) 2008 Red Hat, Inc
+                   Copyright (C) 2007, 2008 Free Software Foundation, Inc
+                   Copyright (c) 1998 Geoffrey Keating
+
+   PowerPC Foreign Function Interface
+
+   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 SOFTWARE IS PROVIDED ``AS IS'', WITHOUT WARRANTY OF ANY KIND, EXPRESS
+   OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+   IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY CLAIM, DAMAGES OR
+   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+   OTHER DEALINGS IN THE SOFTWARE.
+   ----------------------------------------------------------------------- */
+
+enum {
+  /* The assembly depends on these exact flags.  */
+  /* These go in cr7 */
+  FLAG_RETURNS_SMST	= 1 << (31-31), /* Used for FFI_SYSV small structs.  */
+  FLAG_RETURNS_NOTHING  = 1 << (31-30),
+  FLAG_RETURNS_FP       = 1 << (31-29),
+  FLAG_RETURNS_64BITS   = 1 << (31-28),
+
+  /* This goes in cr6 */
+  FLAG_RETURNS_128BITS  = 1 << (31-27),
+
+  FLAG_COMPAT		= 1 << (31- 8), /* Not used by assembly */
+
+  /* These go in cr1 */
+  FLAG_ARG_NEEDS_COPY   = 1 << (31- 7), /* Used by sysv code */
+  FLAG_ARG_NEEDS_PSAVE  = FLAG_ARG_NEEDS_COPY, /* Used by linux64 code */
+  FLAG_FP_ARGUMENTS     = 1 << (31- 6), /* cr1.eq; specified by ABI */
+  FLAG_4_GPR_ARGUMENTS  = 1 << (31- 5),
+  FLAG_RETVAL_REFERENCE = 1 << (31- 4)
+};
+
+typedef union
+{
+  float f;
+  double d;
+} ffi_dblfl;
+
+void FFI_HIDDEN ffi_closure_SYSV (void);
+void FFI_HIDDEN ffi_call_SYSV(extended_cif *, unsigned, unsigned, unsigned *,
+			      void (*)(void));
+
+void FFI_HIDDEN ffi_prep_types_sysv (ffi_abi);
+ffi_status FFI_HIDDEN ffi_prep_cif_sysv (ffi_cif *);
+int FFI_HIDDEN ffi_closure_helper_SYSV (ffi_closure *, void *, unsigned long *,
+					ffi_dblfl *, unsigned long *);
+
+void FFI_HIDDEN ffi_call_LINUX64(extended_cif *, unsigned long, unsigned long,
+				 unsigned long *, void (*)(void));
+void FFI_HIDDEN ffi_closure_LINUX64 (void);
+
+void FFI_HIDDEN ffi_prep_types_linux64 (ffi_abi);
+ffi_status FFI_HIDDEN ffi_prep_cif_linux64 (ffi_cif *);
+ffi_status FFI_HIDDEN ffi_prep_cif_linux64_var (ffi_cif *, unsigned int,
+						unsigned int);
+void FFI_HIDDEN ffi_prep_args64 (extended_cif *, unsigned long *const);
+int FFI_HIDDEN ffi_closure_helper_LINUX64 (ffi_closure *, void *,
+					   unsigned long *, ffi_dblfl *);

libffi/src/powerpc/ffitarget.h

@@ -60,45 +60,76 @@ typedef signed long            ffi_sarg;
 typedef enum ffi_abi {
   FFI_FIRST_ABI = 0,
 
-#ifdef POWERPC
-  FFI_SYSV,
-  FFI_GCC_SYSV,
-  FFI_LINUX64,
-  FFI_LINUX,
-  FFI_LINUX_SOFT_FLOAT,
-# if defined(POWERPC64)
-  FFI_DEFAULT_ABI = FFI_LINUX64,
-# elif defined(__NO_FPRS__)
-  FFI_DEFAULT_ABI = FFI_LINUX_SOFT_FLOAT,
-# elif (__LDBL_MANT_DIG__ == 106)
-  FFI_DEFAULT_ABI = FFI_LINUX,
-# else
-  FFI_DEFAULT_ABI = FFI_GCC_SYSV,
-# endif
-#endif
-
-#ifdef POWERPC_AIX
+#if defined (POWERPC_AIX)
   FFI_AIX,
   FFI_DARWIN,
   FFI_DEFAULT_ABI = FFI_AIX,
-#endif
+  FFI_LAST_ABI
 
-#ifdef POWERPC_DARWIN
+#elif defined (POWERPC_DARWIN)
   FFI_AIX,
   FFI_DARWIN,
   FFI_DEFAULT_ABI = FFI_DARWIN,
-#endif
+  FFI_LAST_ABI
 
-#ifdef POWERPC_FREEBSD
-  FFI_SYSV,
-  FFI_GCC_SYSV,
-  FFI_LINUX64,
-  FFI_LINUX,
-  FFI_LINUX_SOFT_FLOAT,
-  FFI_DEFAULT_ABI = FFI_SYSV,
+#else
+  /* The FFI_COMPAT values are used by old code.  Since libffi may be
+     a shared library we have to support old values for backwards
+     compatibility.  */
+  FFI_COMPAT_SYSV,
+  FFI_COMPAT_GCC_SYSV,
+  FFI_COMPAT_LINUX64,
+  FFI_COMPAT_LINUX,
+  FFI_COMPAT_LINUX_SOFT_FLOAT,
+
+# if defined (POWERPC64)
+  /* This bit, always set in new code, must not be set in any of the
+     old FFI_COMPAT values that might be used for 64-bit linux.  We
+     only need worry about FFI_COMPAT_LINUX64, but to be safe avoid
+     all old values.  */
+  FFI_LINUX = 8,
+  /* This and following bits can reuse FFI_COMPAT values.  */
+  FFI_LINUX_STRUCT_ALIGN = 1,
+  FFI_LINUX_LONG_DOUBLE_128 = 2,
+  FFI_DEFAULT_ABI = (FFI_LINUX
+#  ifdef __STRUCT_PARM_ALIGN__
+		     | FFI_LINUX_STRUCT_ALIGN
+#  endif
+#  ifdef __LONG_DOUBLE_128__
+		     | FFI_LINUX_LONG_DOUBLE_128
+#  endif
+		     ),
+  FFI_LAST_ABI = 12
+
+# else
+  /* This bit, always set in new code, must not be set in any of the
+     old FFI_COMPAT values that might be used for 32-bit linux/sysv/bsd.  */
+  FFI_SYSV = 8,
+  /* This and following bits can reuse FFI_COMPAT values.  */
+  FFI_SYSV_SOFT_FLOAT = 1,
+  FFI_SYSV_STRUCT_RET = 2,
+  FFI_SYSV_IBM_LONG_DOUBLE = 4,
+  FFI_SYSV_LONG_DOUBLE_128 = 16,
+
+  FFI_DEFAULT_ABI = (FFI_SYSV
+#  ifdef __NO_FPRS__
+		     | FFI_SYSV_SOFT_FLOAT
+#  endif
+#  if (defined (__SVR4_STRUCT_RETURN)					\
+       || defined (POWERPC_FREEBSD) && !defined (__AIX_STRUCT_RETURN))
+		     | FFI_SYSV_STRUCT_RET
+#  endif
+#  if __LDBL_MANT_DIG__ == 106
+		     | FFI_SYSV_IBM_LONG_DOUBLE
+#  endif
+#  ifdef __LONG_DOUBLE_128__
+		     | FFI_SYSV_LONG_DOUBLE_128
+#  endif
+		     ),
+  FFI_LAST_ABI = 32
+# endif
 #endif
 
-  FFI_LAST_ABI
 } ffi_abi;
 #endif
 
@@ -117,9 +148,7 @@ typedef enum ffi_abi {
 /* Needed for soft-float long-double-128 support.  */
 #define FFI_TYPE_UINT128 (FFI_TYPE_LAST + 1)
 
-/* Needed for FFI_SYSV small structure returns.
-   We use two flag bits, (FLAG_SYSV_SMST_R3, FLAG_SYSV_SMST_R4) which are
-   defined in ffi.c, to determine the exact return type and its size.  */
+/* Needed for FFI_SYSV small structure returns.  */
 #define FFI_SYSV_TYPE_SMALL_STRUCT (FFI_TYPE_LAST + 2)
 
 /* Used by ELFv2 for homogenous structure returns.  */

libffi/src/powerpc/linux64.S

@@ -29,7 +29,7 @@
 #include <fficonfig.h>
 #include <ffi.h>
 
-#ifdef __powerpc64__
+#ifdef POWERPC64
 	.hidden	ffi_call_LINUX64
 	.globl	ffi_call_LINUX64
 # if _CALL_ELF == 2

libffi/src/powerpc/linux64_closure.S

@@ -30,7 +30,7 @@
 
 	.file	"linux64_closure.S"
 
-#ifdef __powerpc64__
+#ifdef POWERPC64
 	FFI_HIDDEN (ffi_closure_LINUX64)
 	.globl  ffi_closure_LINUX64
 # if _CALL_ELF == 2
@@ -60,13 +60,11 @@ ffi_closure_LINUX64:
 # endif
 
 # if _CALL_ELF == 2
-#  32 byte special reg save area + 64 byte parm save area and retval
-#  + 13*8 fpr save area + round to 16
-#  define STACKFRAME 208
+#  32 byte special reg save area + 64 byte parm save area
+#  + 64 byte retval area + 13*8 fpr save area + round to 16
+#  define STACKFRAME 272
 #  define PARMSAVE 32
-#  No parameter save area is needed for the call to ffi_closure_helper_LINUX64,
-#  so return value can start there.
-#  define RETVAL PARMSAVE
+#  define RETVAL PARMSAVE+64
 # else
 #  48 bytes special reg save area + 64 bytes parm save area
 #  + 16 bytes retval area + 13*8 bytes fpr save area + round to 16
@@ -85,8 +83,8 @@ ffi_closure_LINUX64:
 	bt	7, .Lparmsave
 	# Our caller has not allocated a parameter save area.
 	# We need to allocate one here and use it to pass gprs to
-	# ffi_closure_helper_LINUX64.  The return value area will do.
-	addi	%r12, %r1, -STACKFRAME+RETVAL
+	# ffi_closure_helper_LINUX64.
+	addi	%r12, %r1, -STACKFRAME+PARMSAVE
 .Lparmsave:
 	std	%r0, 16(%r1)
 	# Save general regs into parm save area

libffi/src/powerpc/ppc_closure.S

@@ -31,7 +31,7 @@
 
 	.file   "ppc_closure.S"
 
-#ifndef __powerpc64__
+#ifndef POWERPC64
 
 ENTRY(ffi_closure_SYSV)
 .LFB1:
@@ -378,8 +378,7 @@ END(ffi_closure_SYSV)
 	.align 2
 .LEFDE1:
 
-#endif
-
 #if defined __ELF__ && defined __linux__
 	.section	.note.GNU-stack,"",@progbits
 #endif
+#endif

libffi/src/powerpc/sysv.S

@@ -30,7 +30,7 @@
 #include <ffi.h>
 #include <powerpc/asm.h>
 
-#ifndef __powerpc64__
+#ifndef POWERPC64
 	.globl ffi_prep_args_SYSV
 ENTRY(ffi_call_SYSV)
 .LFB1:
@@ -213,8 +213,8 @@ END(ffi_call_SYSV)
       .uleb128  0x1c
       .align 2
 .LEFDE1:
-#endif
 
 #if defined __ELF__ && defined __linux__
 	.section	.note.GNU-stack,"",@progbits
 #endif
+#endif

libffi/src/prep_cif.c

@@ -126,6 +126,10 @@ ffi_status FFI_HIDDEN ffi_prep_cif_core(ffi_cif *cif, ffi_abi abi,
 
   cif->flags = 0;
 
+#if HAVE_LONG_DOUBLE_VARIANT
+  ffi_prep_types (abi);
+#endif
+
   /* Initialize the return type if necessary */
   if ((cif->rtype->size == 0) && (initialize_aggregate(cif->rtype) != FFI_OK))
     return FFI_BAD_TYPEDEF;

libffi/src/types.c

@@ -44,6 +44,17 @@ const ffi_type ffi_type_##name = {		\
   id, NULL					\
 }
 
+#define FFI_NONCONST_TYPEDEF(name, type, id)	\
+struct struct_align_##name {			\
+  char c;					\
+  type x;					\
+};						\
+ffi_type ffi_type_##name = {			\
+  sizeof(type),					\
+  offsetof(struct struct_align_##name, x),	\
+  id, NULL					\
+}
+
 /* Size and alignment are fake here. They must not be 0. */
 const ffi_type ffi_type_void = {
   1, 1, FFI_TYPE_VOID, NULL
@@ -73,5 +84,9 @@ FFI_TYPEDEF(double, double, FFI_TYPE_DOUBLE);
 # endif
 const ffi_type ffi_type_longdouble = { 16, 16, 4, NULL };
 #elif FFI_TYPE_LONGDOUBLE != FFI_TYPE_DOUBLE
+# if HAVE_LONG_DOUBLE_VARIANT
+FFI_NONCONST_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE);
+# else
 FFI_TYPEDEF(longdouble, long double, FFI_TYPE_LONGDOUBLE);
+# endif
 #endif

libffi/testsuite/Makefile.in

@@ -90,6 +90,7 @@ FFI_EXEC_TRAMPOLINE_TABLE = @FFI_EXEC_TRAMPOLINE_TABLE@
 FGREP = @FGREP@
 GREP = @GREP@
 HAVE_LONG_DOUBLE = @HAVE_LONG_DOUBLE@
+HAVE_LONG_DOUBLE_VARIANT = @HAVE_LONG_DOUBLE_VARIANT@
 INSTALL = @INSTALL@
 INSTALL_DATA = @INSTALL_DATA@
 INSTALL_PROGRAM = @INSTALL_PROGRAM@