Merge libffi to upstream commit c82cc159426d8d4402375fa1ae3f045b9cf82e16

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@219477 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 143 insertions, 63 deletions

diff --git a/libffi/README b/libffi/README
index a0fb7174bba..c0721017891 100644
--- a/libffi/README
+++ b/libffi/README
@@ -1,8 +1,8 @@
 Status
 ======
 
-libffi-3.0.12 was released on XXXXXXX.  Check the libffi web page for
-updates: <URL:http://sourceware.org/libffi/>.
+libffi-4?? was released on TBD.  Check the libffi web
+page for updates: <URL:http://sourceware.org/libffi/>.
 
 
 What is libffi?
@@ -43,57 +43,78 @@ Libffi has been ported to many different platforms.
 For specific configuration details and testing status, please
 refer to the wiki page here:
 
- http://www.moxielogic.org/wiki/index.php?title=Libffi_3.0.11
+ http://www.moxielogic.org/wiki/index.php?title=Libffi_3.2
 
 At the time of release, the following basic configurations have been
 tested:
 
-|-----------------+------------------|
-| Architecture    | Operating System |
-|-----------------+------------------|
-| AArch64         | Linux            |
-| Alpha           | Linux            |
-| Alpha           | Tru64            |
-| ARM             | Linux            |
-| ARM             | iOS              |
-| AVR32           | Linux            |
-| Blackfin        | uClinux          |
-| HPPA            | HPUX             |
-| IA-64           | Linux            |
-| M68K            | FreeMiNT         |
-| M68K            | RTEMS            |
-| MIPS            | IRIX             |
-| MIPS            | Linux            |
-| MIPS            | RTEMS            |
-| MIPS64          | Linux            |
-| PowerPC         | AMIGA            |
-| PowerPC         | Linux            |
-| PowerPC         | Mac OSX          |
-| PowerPC         | FreeBSD          |
-| PowerPC64       | Linux            |
-| S390            | Linux            |
-| S390X           | Linux            |
-| SPARC           | Linux            |
-| SPARC           | Solaris          |
-| SPARC64         | Linux            |
-| SPARC64         | FreeBSD          |
-| TILE-Gx/TILEPro | Linux            |
-| X86             | FreeBSD          |
-| X86             | Interix          |
-| X86             | kFreeBSD         |
-| X86             | Linux            |
-| X86             | Mac OSX          |
-| X86             | OpenBSD          |
-| X86             | OS/2             |
-| X86             | Solaris          |
-| X86             | Windows/Cygwin   |
-| X86             | Windows/MingW    |
-| X86-64          | FreeBSD          |
-| X86-64          | Linux            |
-| X86-64          | Linux/x32        |
-| X86-64          | OpenBSD          |
-| X86-64          | Windows/MingW    |
-|-----------------+------------------|
+|-----------------+------------------+-------------------------|
+| Architecture    | Operating System | Compiler                |
+|-----------------+------------------+-------------------------|
+| AArch64 (ARM64) | iOS              | Clang                   |
+| AArch64         | Linux            | GCC                     |
+| Alpha           | Linux            | GCC                     |
+| Alpha           | Tru64            | GCC                     |
+| ARC             | Linux            | GCC                     |
+| ARM             | Linux            | GCC                     |
+| ARM             | iOS              | GCC                     |
+| AVR32           | Linux            | GCC                     |
+| Blackfin        | uClinux          | GCC                     |
+| HPPA            | HPUX             | GCC                     |
+| IA-64           | Linux            | GCC                     |
+| M68K            | FreeMiNT         | GCC                     |
+| M68K            | Linux            | GCC                     |
+| M68K            | RTEMS            | GCC                     |
+| M88K            | OpenBSD/mvme88k  | GCC                     |
+| Meta            | Linux            | GCC                     |
+| MicroBlaze      | Linux            | GCC                     |
+| MIPS            | IRIX             | GCC                     |
+| MIPS            | Linux            | GCC                     |
+| MIPS            | RTEMS            | GCC                     |
+| MIPS64          | Linux            | GCC                     |
+| Moxie           | Bare metal       | GCC                     |
+| Nios II         | Linux            | GCC                     |
+| OpenRISC        | Linux            | GCC                     |
+| PowerPC 32-bit  | AIX              | IBM XL C                |
+| PowerPC 64-bit  | AIX              | IBM XL C                |
+| PowerPC         | AMIGA            | GCC                     |
+| PowerPC         | Linux            | GCC                     |
+| PowerPC         | Mac OSX          | GCC                     |
+| PowerPC         | FreeBSD          | GCC                     |
+| PowerPC 64-bit  | FreeBSD          | GCC                     |
+| PowerPC 64-bit  | Linux ELFv1      | GCC                     |
+| PowerPC 64-bit  | Linux ELFv2      | GCC                     |
+| S390            | Linux            | GCC                     |
+| S390X           | Linux            | GCC                     |
+| SPARC           | Linux            | GCC                     |
+| SPARC           | Solaris          | GCC                     |
+| SPARC           | Solaris          | Oracle Solaris Studio C |
+| SPARC64         | Linux            | GCC                     |
+| SPARC64         | FreeBSD          | GCC                     |
+| SPARC64         | Solaris          | Oracle Solaris Studio C |
+| TILE-Gx/TILEPro | Linux            | GCC                     |
+| VAX             | OpenBSD/vax      | GCC                     |
+| X86             | FreeBSD          | GCC                     |
+| X86             | GNU HURD         | GCC                     |
+| X86             | Interix          | GCC                     |
+| X86             | kFreeBSD         | GCC                     |
+| X86             | Linux            | GCC                     |
+| X86             | Mac OSX          | GCC                     |
+| X86             | OpenBSD          | GCC                     |
+| X86             | OS/2             | GCC                     |
+| X86             | Solaris          | GCC                     |
+| X86             | Solaris          | Oracle Solaris Studio C |
+| X86             | Windows/Cygwin   | GCC                     |
+| X86             | Windows/MingW    | GCC                     |
+| X86-64          | FreeBSD          | GCC                     |
+| X86-64          | Linux            | GCC                     |
+| X86-64          | Linux/x32        | GCC                     |
+| X86-64          | OpenBSD          | GCC                     |
+| X86-64          | Solaris          | Oracle Solaris Studio C |
+| X86-64          | Windows/Cygwin   | GCC                     |
+| X86-64          | Windows/MingW    | GCC                     |
+| Xtensa          | Linux            | GCC                     |
+|-----------------+------------------+-------------------------|
 
 Please send additional platform test results to
 libffi-discuss@sourceware.org and feel free to update the wiki page
@@ -107,6 +128,9 @@ system. Go to the directory you wish to build libffi in and run the
 "configure" program found in the root directory of the libffi source
 distribution.
 
+If you're building libffi directly from version control, configure won't
+exist yet; run ./autogen.sh first.
+
 You may want to tell configure where to install the libffi library and
 header files. To do that, use the --prefix configure switch.  Libffi
 will install under /usr/local by default. 
@@ -124,20 +148,28 @@ It's also possible to build libffi on Windows platforms with
 Microsoft's Visual C++ compiler.  In this case, use the msvcc.sh
 wrapper script during configuration like so:
 
-path/to/configure CC=path/to/msvcc.sh LD=link CPP=\"cl -nologo -EP\"
+path/to/configure CC=path/to/msvcc.sh CXX=path/to/msvcc.sh LD=link CPP="cl -nologo -EP"
+
+For 64-bit Windows builds, use CC="path/to/msvcc.sh -m64" and
+CXX="path/to/msvcc.sh -m64".  You may also need to specify --build
+appropriately.
+
+It is also possible to build libffi on Windows platforms with the LLVM
+project's clang-cl compiler, like below:
+
+path/to/configure CC="path/to/msvcc.sh -clang-cl" CXX="path/to/msvcc.sh -clang-cl" LD=link CPP="clang-cl -EP"
 
-For 64-bit Windows builds, use CC="path/to/msvcc.sh -m64".
-You may also need to specify --build appropriately. When building with MSVC
-under a MingW environment, you may need to remove the line in configure
-that sets 'fix_srcfile_path' to a 'cygpath' command. ('cygpath' is not
-present in MingW, and is not required when using MingW-style paths.)
+When building with MSVC under a MingW environment, you may need to
+remove the line in configure that sets 'fix_srcfile_path' to a 'cygpath'
+command.  ('cygpath' is not present in MingW, and is not required when
+using MingW-style paths.)
 
 For iOS builds, the 'libffi.xcodeproj' Xcode project is available.
 
 Configure has many other options. Use "configure --help" to see them all.
 
 Once configure has finished, type "make". Note that you must be using
-GNU make.  You can ftp GNU make from prep.ai.mit.edu:/pub/gnu.
+GNU make.  You can ftp GNU make from ftp.gnu.org:/pub/gnu/make .
 
 To ensure that libffi is working as advertised, type "make check".
 This will require that you have DejaGNU installed.
@@ -148,17 +180,59 @@ To install the library and header files, type "make install".
 History
 =======
 
-See the ChangeLog files for details.
-
-3.0.12 XXX-XX-XX
+See the git log for details at http://github.com/atgreen/libffi.
+
+4.0 TBD
+        New API in support of GO closures.
+
+3.2.1 Nov-12-14
+        Build fix for non-iOS AArch64 targets.
+
+3.2 Nov-11-14
+        Add C99 Complex Type support (currently only supported on
+          s390).
+	Add support for PASCAL and REGISTER calling conventions on x86
+	  Windows/Linux.
+	Add OpenRISC and Cygwin-64 support.
+        Bug fixes.
+
+3.1 May-19-14
+        Add AArch64 (ARM64) iOS support.
+        Add Nios II support.
+        Add m88k and DEC VAX support.
+	Add support for stdcall, thiscall, and fastcall on non-Windows
+	  32-bit x86 targets such as Linux.
+	Various Android, MIPS N32, x86, FreeBSD and UltraSPARC IIi
+	  fixes.
+	Make the testsuite more robust: eliminate several spurious
+	  failures, and respect the $CC and $CXX environment variables.
+	Archive off the manually maintained ChangeLog in favor of git
+	  log.
+
+3.0.13 Mar-17-13
+	Add Meta support.
+	Add missing Moxie bits.
+	Fix stack alignment bug on 32-bit x86.
+	Build fix for m68000 targets.
+	Build fix for soft-float Power targets.
+	Fix the install dir location for some platforms when building
+	  with GCC (OS X, Solaris).
+	Fix Cygwin regression.
+
+3.0.12 Feb-11-13
+        Add Moxie support.
+	Add AArch64 support.
 	Add Blackfin support.
 	Add TILE-Gx/TILEPro support.
-	Add AArch64 support.
+	Add MicroBlaze support.
+	Add Xtensa support.
 	Add support for PaX enabled kernels with MPROTECT.
+	Add support for native vendor compilers on
+	  Solaris and AIX.
+	Work around LLVM/GCC interoperability issue on x86_64.
 
 3.0.11 Apr-11-12
         Lots of build fixes.
-	Add Amiga newer MacOS support.
 	Add support for variadic functions (ffi_prep_cif_var).
 	Add Linux/x32 support.
 	Add thiscall, fastcall and MSVC cdecl support on Windows.
@@ -167,7 +241,6 @@ See the ChangeLog files for details.
 	Integration with iOS' xcode build tools.
 	Fix Octeon and MC68881 support.
 	Fix code pessimizations.
-	Lots of build fixes.
 
 3.0.10 Aug-23-11
         Add support for Apple's iOS.
@@ -311,7 +384,7 @@ See the ChangeLog files for details.
 Authors & Credits
 =================
 
-libffi was originally written by Anthony Green <green@redhat.com>.
+libffi was originally written by Anthony Green <green@moxielogic.com>.
 
 The developers of the GNU Compiler Collection project have made
 innumerable valuable contributions.  See the ChangeLog file for
@@ -335,8 +408,13 @@ frv		Anthony Green
 ia64		Hans Boehm
 m32r		Kazuhiro Inaoka
 m68k		Andreas Schwab
+m88k		Miod Vallat
+microblaze	Nathan Rossi
 mips		Anthony Green, Casey Marshall
 mips64		David Daney
+moxie		Anthony Green
+nios ii		Sandra Loosemore
+openrisc        Sebastian Macke
 pa		Randolph Chung, Dave Anglin, Andreas Tobler
 powerpc		Geoffrey Keating, Andreas Tobler, 
 			 David Edelsohn, John Hornkvist
@@ -346,8 +424,10 @@ sh		Kaz Kojima
 sh64		Kaz Kojima
 sparc		Anthony Green, Gordon Irlam
 tile-gx/tilepro Walter Lee
+vax		Miod Vallat
 x86		Anthony Green, Jon Beniston
 x86-64		Bo Thorsen
+xtensa		Chris Zankel
 
 Jesper Skov and Andrew Haley both did more than their fair share of
 stepping through the code and tracking down bugs.