[pypy-commit] pypy py3.3: hg merge py3k

mjacob pypy.commits at gmail.com
Tue Feb 2 13:51:25 EST 2016


Author: Manuel Jacob <me at manueljacob.de>
Branch: py3.3
Changeset: r82048:1d68aca1032f
Date: 2016-02-02 19:50 +0100
http://bitbucket.org/pypy/pypy/changeset/1d68aca1032f/

Log:	hg merge py3k

diff too long, truncating to 2000 out of 16702 lines

diff --git a/.gitignore b/.gitignore
--- a/.gitignore
+++ b/.gitignore
@@ -29,4 +29,4 @@
 release/
 !pypy/tool/release/
 rpython/_cache/
-__pycache__/
+.cache/
diff --git a/LICENSE b/LICENSE
--- a/LICENSE
+++ b/LICENSE
@@ -28,7 +28,7 @@
     DEALINGS IN THE SOFTWARE.
 
 
-PyPy Copyright holders 2003-2015
+PyPy Copyright holders 2003-2016
 ----------------------------------- 
 
 Except when otherwise stated (look for LICENSE files or information at
diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -39,5 +39,5 @@
 # runs.  We cannot get their original value either:
 # http://lists.gnu.org/archive/html/help-make/2010-08/msg00106.html
 
-cffi_imports:
+cffi_imports: pypy-c
 	PYTHONPATH=. ./pypy-c pypy/tool/build_cffi_imports.py
diff --git a/lib-python/2.7/distutils/command/build_ext.py b/lib-python/2.7/distutils/command/build_ext.py
--- a/lib-python/2.7/distutils/command/build_ext.py
+++ b/lib-python/2.7/distutils/command/build_ext.py
@@ -685,13 +685,17 @@
         # the previous version of this code did.  This should work for
         # CPython too.  The point is that on PyPy with cpyext, the
         # config var 'SO' is just ".so" but we want to return
-        # ".pypy-VERSION.so" instead.
-        so_ext = _get_c_extension_suffix()
+        # ".pypy-VERSION.so" instead.  Note a further tweak for cffi's
+        # embedding mode: if EXT_SUFFIX is also defined, use that
+        # directly.
+        so_ext = get_config_var('EXT_SUFFIX')
         if so_ext is None:
-            so_ext = get_config_var('SO')     # fall-back
-        # extensions in debug_mode are named 'module_d.pyd' under windows
-        if os.name == 'nt' and self.debug:
-            so_ext = '_d.pyd'
+            so_ext = _get_c_extension_suffix()
+            if so_ext is None:
+                so_ext = get_config_var('SO')     # fall-back
+            # extensions in debug_mode are named 'module_d.pyd' under windows
+            if os.name == 'nt' and self.debug:
+                so_ext = '_d.pyd'
         return os.path.join(*ext_path) + so_ext
 
     def get_export_symbols (self, ext):
diff --git a/lib-python/2.7/pickle.py b/lib-python/2.7/pickle.py
--- a/lib-python/2.7/pickle.py
+++ b/lib-python/2.7/pickle.py
@@ -1376,6 +1376,7 @@
 
 def decode_long(data):
     r"""Decode a long from a two's complement little-endian binary string.
+    This is overriden on PyPy by a RPython version that has linear complexity.
 
     >>> decode_long('')
     0L
@@ -1402,6 +1403,11 @@
         n -= 1L << (nbytes * 8)
     return n
 
+try:
+    from __pypy__ import decode_long
+except ImportError:
+    pass
+
 # Shorthands
 
 try:
diff --git a/lib-python/2.7/sysconfig.py b/lib-python/2.7/sysconfig.py
--- a/lib-python/2.7/sysconfig.py
+++ b/lib-python/2.7/sysconfig.py
@@ -524,6 +524,13 @@
             import _osx_support
             _osx_support.customize_config_vars(_CONFIG_VARS)
 
+        # PyPy:
+        import imp
+        for suffix, mode, type_ in imp.get_suffixes():
+            if type_ == imp.C_EXTENSION:
+                _CONFIG_VARS['SOABI'] = suffix.split('.')[1]
+                break
+
     if args:
         vals = []
         for name in args:
diff --git a/lib-python/2.7/test/capath/0e4015b9.0 b/lib-python/2.7/test/capath/0e4015b9.0
new file mode 100644
--- /dev/null
+++ b/lib-python/2.7/test/capath/0e4015b9.0
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
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+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
+-----END CERTIFICATE-----
diff --git a/lib-python/2.7/test/capath/ce7b8643.0 b/lib-python/2.7/test/capath/ce7b8643.0
new file mode 100644
--- /dev/null
+++ b/lib-python/2.7/test/capath/ce7b8643.0
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
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+TXMeKYoWvJyVcSLKL8ckPtDobgP2OTt0UkyAaj0n+ZHaqq1lH2yVfGUA1ILJv515
+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
+-----END CERTIFICATE-----
diff --git a/lib-python/2.7/test/https_svn_python_org_root.pem b/lib-python/2.7/test/https_svn_python_org_root.pem
deleted file mode 100644
--- a/lib-python/2.7/test/https_svn_python_org_root.pem
+++ /dev/null
@@ -1,41 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIHPTCCBSWgAwIBAgIBADANBgkqhkiG9w0BAQQFADB5MRAwDgYDVQQKEwdSb290
-IENBMR4wHAYDVQQLExVodHRwOi8vd3d3LmNhY2VydC5vcmcxIjAgBgNVBAMTGUNB
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-MCAGA1UEAxMZQ0EgQ2VydCBTaWduaW5nIEF1dGhvcml0eTEhMB8GCSqGSIb3DQEJ
-ARYSc3VwcG9ydEBjYWNlcnQub3JnMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIIC
-CgKCAgEAziLA4kZ97DYoB1CW8qAzQIxL8TtmPzHlawI229Z89vGIj053NgVBlfkJ
-8BLPRoZzYLdufujAWGSuzbCtRRcMY/pnCujW0r8+55jE8Ez64AO7NV1sId6eINm6
-zWYyN3L69wj1x81YyY7nDl7qPv4coRQKFWyGhFtkZip6qUtTefWIonvuLwphK42y
-fk1WpRPs6tqSnqxEQR5YYGUFZvjARL3LlPdCfgv3ZWiYUQXw8wWRBB0bF4LsyFe7
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-dC5vcmeCAQAwDwYDVR0TAQH/BAUwAwEB/zAyBgNVHR8EKzApMCegJaAjhiFodHRw
-czovL3d3dy5jYWNlcnQub3JnL3Jldm9rZS5jcmwwMAYJYIZIAYb4QgEEBCMWIWh0
-dHBzOi8vd3d3LmNhY2VydC5vcmcvcmV2b2tlLmNybDA0BglghkgBhvhCAQgEJxYl
-aHR0cDovL3d3dy5jYWNlcnQub3JnL2luZGV4LnBocD9pZD0xMDBWBglghkgBhvhC
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-omTxJBzcoTWcFbLUvFUufQb1nA5V9FrWk9p2rSVzTMVD
------END CERTIFICATE-----
diff --git a/lib-python/2.7/test/selfsigned_pythontestdotnet.pem b/lib-python/2.7/test/selfsigned_pythontestdotnet.pem
--- a/lib-python/2.7/test/selfsigned_pythontestdotnet.pem
+++ b/lib-python/2.7/test/selfsigned_pythontestdotnet.pem
@@ -1,5 +1,5 @@
 -----BEGIN CERTIFICATE-----
-MIIChzCCAfCgAwIBAgIJAKGU95wKR8pSMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
+MIIClTCCAf6gAwIBAgIJAKGU95wKR8pTMA0GCSqGSIb3DQEBBQUAMHAxCzAJBgNV
 BAYTAlhZMRcwFQYDVQQHDA5DYXN0bGUgQW50aHJheDEjMCEGA1UECgwaUHl0aG9u
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 bnRlc3QubmV0MB4XDTE0MTEwMjE4MDkyOVoXDTI0MTAzMDE4MDkyOVowcDELMAkG
@@ -8,9 +8,9 @@
 aG9udGVzdC5uZXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0AMIGJAoGBANDXQXW9tjyZ
 Xt0Iv2tLL1+jinr4wGg36ioLDLFkMf+2Y1GL0v0BnKYG4N1OKlAU15LXGeGer8vm
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+C8BqbvVZuqm3i7ygmw3bqE/lYMgOrYtXXnqOrz6nvsE6Yc9V9rFflOM=
 -----END CERTIFICATE-----
diff --git a/lib-python/2.7/test/test_ssl.py b/lib-python/2.7/test/test_ssl.py
--- a/lib-python/2.7/test/test_ssl.py
+++ b/lib-python/2.7/test/test_ssl.py
@@ -57,7 +57,8 @@
 SIGNED_CERTFILE2 = data_file("keycert4.pem")
 SIGNING_CA = data_file("pycacert.pem")
 
-SVN_PYTHON_ORG_ROOT_CERT = data_file("https_svn_python_org_root.pem")
+REMOTE_HOST = "self-signed.pythontest.net"
+REMOTE_ROOT_CERT = data_file("selfsigned_pythontestdotnet.pem")
 
 EMPTYCERT = data_file("nullcert.pem")
 BADCERT = data_file("badcert.pem")
@@ -244,7 +245,7 @@
         self.assertEqual(p['subjectAltName'], san)
 
     def test_DER_to_PEM(self):
-        with open(SVN_PYTHON_ORG_ROOT_CERT, 'r') as f:
+        with open(CAFILE_CACERT, 'r') as f:
             pem = f.read()
         d1 = ssl.PEM_cert_to_DER_cert(pem)
         p2 = ssl.DER_cert_to_PEM_cert(d1)
@@ -792,7 +793,7 @@
         # Mismatching key and cert
         ctx = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
         with self.assertRaisesRegexp(ssl.SSLError, "key values mismatch"):
-            ctx.load_cert_chain(SVN_PYTHON_ORG_ROOT_CERT, ONLYKEY)
+            ctx.load_cert_chain(CAFILE_CACERT, ONLYKEY)
         # Password protected key and cert
         ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD)
         ctx.load_cert_chain(CERTFILE_PROTECTED, password=KEY_PASSWORD.encode())
@@ -1013,7 +1014,7 @@
         ctx.load_verify_locations(CERTFILE)
         self.assertEqual(ctx.cert_store_stats(),
             {'x509_ca': 0, 'crl': 0, 'x509': 1})
-        ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
+        ctx.load_verify_locations(CAFILE_CACERT)
         self.assertEqual(ctx.cert_store_stats(),
             {'x509_ca': 1, 'crl': 0, 'x509': 2})
 
@@ -1023,8 +1024,8 @@
         # CERTFILE is not flagged as X509v3 Basic Constraints: CA:TRUE
         ctx.load_verify_locations(CERTFILE)
         self.assertEqual(ctx.get_ca_certs(), [])
-        # but SVN_PYTHON_ORG_ROOT_CERT is a CA cert
-        ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
+        # but CAFILE_CACERT is a CA cert
+        ctx.load_verify_locations(CAFILE_CACERT)
         self.assertEqual(ctx.get_ca_certs(),
             [{'issuer': ((('organizationName', 'Root CA'),),
                          (('organizationalUnitName', 'http://www.cacert.org'),),
@@ -1040,7 +1041,7 @@
                           (('emailAddress', 'support at cacert.org'),)),
               'version': 3}])
 
-        with open(SVN_PYTHON_ORG_ROOT_CERT) as f:
+        with open(CAFILE_CACERT) as f:
             pem = f.read()
         der = ssl.PEM_cert_to_DER_cert(pem)
         self.assertEqual(ctx.get_ca_certs(True), [der])
@@ -1215,11 +1216,11 @@
 class NetworkedTests(unittest.TestCase):
 
     def test_connect(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_NONE)
             try:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 self.assertEqual({}, s.getpeercert())
             finally:
                 s.close()
@@ -1228,27 +1229,27 @@
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED)
             self.assertRaisesRegexp(ssl.SSLError, "certificate verify failed",
-                                   s.connect, ("svn.python.org", 443))
+                                   s.connect, (REMOTE_HOST, 443))
             s.close()
 
             # this should succeed because we specify the root cert
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 self.assertTrue(s.getpeercert())
             finally:
                 s.close()
 
     def test_connect_ex(self):
         # Issue #11326: check connect_ex() implementation
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                self.assertEqual(0, s.connect_ex(("svn.python.org", 443)))
+                self.assertEqual(0, s.connect_ex((REMOTE_HOST, 443)))
                 self.assertTrue(s.getpeercert())
             finally:
                 s.close()
@@ -1256,14 +1257,14 @@
     def test_non_blocking_connect_ex(self):
         # Issue #11326: non-blocking connect_ex() should allow handshake
         # to proceed after the socket gets ready.
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
+                                ca_certs=REMOTE_ROOT_CERT,
                                 do_handshake_on_connect=False)
             try:
                 s.setblocking(False)
-                rc = s.connect_ex(('svn.python.org', 443))
+                rc = s.connect_ex((REMOTE_HOST, 443))
                 # EWOULDBLOCK under Windows, EINPROGRESS elsewhere
                 self.assertIn(rc, (0, errno.EINPROGRESS, errno.EWOULDBLOCK))
                 # Wait for connect to finish
@@ -1285,58 +1286,62 @@
     def test_timeout_connect_ex(self):
         # Issue #12065: on a timeout, connect_ex() should return the original
         # errno (mimicking the behaviour of non-SSL sockets).
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT,
+                                ca_certs=REMOTE_ROOT_CERT,
                                 do_handshake_on_connect=False)
             try:
                 s.settimeout(0.0000001)
-                rc = s.connect_ex(('svn.python.org', 443))
+                rc = s.connect_ex((REMOTE_HOST, 443))
                 if rc == 0:
-                    self.skipTest("svn.python.org responded too quickly")
+                    self.skipTest("REMOTE_HOST responded too quickly")
                 self.assertIn(rc, (errno.EAGAIN, errno.EWOULDBLOCK))
             finally:
                 s.close()
 
     def test_connect_ex_error(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = ssl.wrap_socket(socket.socket(socket.AF_INET),
                                 cert_reqs=ssl.CERT_REQUIRED,
-                                ca_certs=SVN_PYTHON_ORG_ROOT_CERT)
+                                ca_certs=REMOTE_ROOT_CERT)
             try:
-                rc = s.connect_ex(("svn.python.org", 444))
+                rc = s.connect_ex((REMOTE_HOST, 444))
                 # Issue #19919: Windows machines or VMs hosted on Windows
                 # machines sometimes return EWOULDBLOCK.
-                self.assertIn(rc, (errno.ECONNREFUSED, errno.EWOULDBLOCK))
+                errors = (
+                    errno.ECONNREFUSED, errno.EHOSTUNREACH, errno.ETIMEDOUT,
+                    errno.EWOULDBLOCK,
+                )
+                self.assertIn(rc, errors)
             finally:
                 s.close()
 
     def test_connect_with_context(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             # Same as test_connect, but with a separately created context
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 self.assertEqual({}, s.getpeercert())
             finally:
                 s.close()
             # Same with a server hostname
             s = ctx.wrap_socket(socket.socket(socket.AF_INET),
-                                server_hostname="svn.python.org")
-            s.connect(("svn.python.org", 443))
+                                server_hostname=REMOTE_HOST)
+            s.connect((REMOTE_HOST, 443))
             s.close()
             # This should fail because we have no verification certs
             ctx.verify_mode = ssl.CERT_REQUIRED
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
             self.assertRaisesRegexp(ssl.SSLError, "certificate verify failed",
-                                    s.connect, ("svn.python.org", 443))
+                                    s.connect, (REMOTE_HOST, 443))
             s.close()
             # This should succeed because we specify the root cert
-            ctx.load_verify_locations(SVN_PYTHON_ORG_ROOT_CERT)
+            ctx.load_verify_locations(REMOTE_ROOT_CERT)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -1349,12 +1354,12 @@
         # OpenSSL 0.9.8n and 1.0.0, as a result the capath directory must
         # contain both versions of each certificate (same content, different
         # filename) for this test to be portable across OpenSSL releases.
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(capath=CAPATH)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -1365,7 +1370,7 @@
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(capath=BYTES_CAPATH)
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -1373,15 +1378,15 @@
                 s.close()
 
     def test_connect_cadata(self):
-        with open(CAFILE_CACERT) as f:
+        with open(REMOTE_ROOT_CERT) as f:
             pem = f.read().decode('ascii')
         der = ssl.PEM_cert_to_DER_cert(pem)
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(cadata=pem)
             with closing(ctx.wrap_socket(socket.socket(socket.AF_INET))) as s:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 cert = s.getpeercert()
                 self.assertTrue(cert)
 
@@ -1390,7 +1395,7 @@
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(cadata=der)
             with closing(ctx.wrap_socket(socket.socket(socket.AF_INET))) as s:
-                s.connect(("svn.python.org", 443))
+                s.connect((REMOTE_HOST, 443))
                 cert = s.getpeercert()
                 self.assertTrue(cert)
 
@@ -1399,9 +1404,9 @@
         # Issue #5238: creating a file-like object with makefile() shouldn't
         # delay closing the underlying "real socket" (here tested with its
         # file descriptor, hence skipping the test under Windows).
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ss = ssl.wrap_socket(socket.socket(socket.AF_INET))
-            ss.connect(("svn.python.org", 443))
+            ss.connect((REMOTE_HOST, 443))
             fd = ss.fileno()
             f = ss.makefile()
             f.close()
@@ -1415,9 +1420,9 @@
             self.assertEqual(e.exception.errno, errno.EBADF)
 
     def test_non_blocking_handshake(self):
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             s = socket.socket(socket.AF_INET)
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             s.setblocking(False)
             s = ssl.wrap_socket(s,
                                 cert_reqs=ssl.CERT_NONE,
@@ -1460,12 +1465,12 @@
                 if support.verbose:
                     sys.stdout.write("\nVerified certificate for %s:%s is\n%s\n" % (host, port ,pem))
 
-        _test_get_server_certificate('svn.python.org', 443, SVN_PYTHON_ORG_ROOT_CERT)
+        _test_get_server_certificate(REMOTE_HOST, 443, REMOTE_ROOT_CERT)
         if support.IPV6_ENABLED:
             _test_get_server_certificate('ipv6.google.com', 443)
 
     def test_ciphers(self):
-        remote = ("svn.python.org", 443)
+        remote = (REMOTE_HOST, 443)
         with support.transient_internet(remote[0]):
             with closing(ssl.wrap_socket(socket.socket(socket.AF_INET),
                                          cert_reqs=ssl.CERT_NONE, ciphers="ALL")) as s:
@@ -1510,13 +1515,13 @@
 
     def test_get_ca_certs_capath(self):
         # capath certs are loaded on request
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             ctx.verify_mode = ssl.CERT_REQUIRED
             ctx.load_verify_locations(capath=CAPATH)
             self.assertEqual(ctx.get_ca_certs(), [])
             s = ctx.wrap_socket(socket.socket(socket.AF_INET))
-            s.connect(("svn.python.org", 443))
+            s.connect((REMOTE_HOST, 443))
             try:
                 cert = s.getpeercert()
                 self.assertTrue(cert)
@@ -1527,12 +1532,12 @@
     @needs_sni
     def test_context_setget(self):
         # Check that the context of a connected socket can be replaced.
-        with support.transient_internet("svn.python.org"):
+        with support.transient_internet(REMOTE_HOST):
             ctx1 = ssl.SSLContext(ssl.PROTOCOL_TLSv1)
             ctx2 = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
             s = socket.socket(socket.AF_INET)
             with closing(ctx1.wrap_socket(s)) as ss:
-                ss.connect(("svn.python.org", 443))
+                ss.connect((REMOTE_HOST, 443))
                 self.assertIs(ss.context, ctx1)
                 self.assertIs(ss._sslobj.context, ctx1)
                 ss.context = ctx2
@@ -3026,7 +3031,7 @@
             pass
 
     for filename in [
-        CERTFILE, SVN_PYTHON_ORG_ROOT_CERT, BYTES_CERTFILE,
+        CERTFILE, REMOTE_ROOT_CERT, BYTES_CERTFILE,
         ONLYCERT, ONLYKEY, BYTES_ONLYCERT, BYTES_ONLYKEY,
         SIGNED_CERTFILE, SIGNED_CERTFILE2, SIGNING_CA,
         BADCERT, BADKEY, EMPTYCERT]:
diff --git a/lib_pypy/cffi.egg-info/PKG-INFO b/lib_pypy/cffi.egg-info/PKG-INFO
--- a/lib_pypy/cffi.egg-info/PKG-INFO
+++ b/lib_pypy/cffi.egg-info/PKG-INFO
@@ -1,6 +1,6 @@
 Metadata-Version: 1.1
 Name: cffi
-Version: 1.4.0
+Version: 1.5.0
 Summary: Foreign Function Interface for Python calling C code.
 Home-page: http://cffi.readthedocs.org
 Author: Armin Rigo, Maciej Fijalkowski
diff --git a/lib_pypy/cffi/__init__.py b/lib_pypy/cffi/__init__.py
--- a/lib_pypy/cffi/__init__.py
+++ b/lib_pypy/cffi/__init__.py
@@ -4,8 +4,8 @@
 from .api import FFI, CDefError, FFIError
 from .ffiplatform import VerificationError, VerificationMissing
 
-__version__ = "1.4.0"
-__version_info__ = (1, 4, 0)
+__version__ = "1.5.0"
+__version_info__ = (1, 5, 0)
 
 # The verifier module file names are based on the CRC32 of a string that
 # contains the following version number.  It may be older than __version__
diff --git a/lib_pypy/cffi/_cffi_include.h b/lib_pypy/cffi/_cffi_include.h
--- a/lib_pypy/cffi/_cffi_include.h
+++ b/lib_pypy/cffi/_cffi_include.h
@@ -146,8 +146,9 @@
     ((Py_ssize_t(*)(CTypeDescrObject *, PyObject *, char **))_cffi_exports[23])
 #define _cffi_convert_array_from_object                                  \
     ((int(*)(char *, CTypeDescrObject *, PyObject *))_cffi_exports[24])
+#define _CFFI_CPIDX  25
 #define _cffi_call_python                                                \
-    ((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[25])
+    ((void(*)(struct _cffi_externpy_s *, char *))_cffi_exports[_CFFI_CPIDX])
 #define _CFFI_NUM_EXPORTS 26
 
 typedef struct _ctypedescr CTypeDescrObject;
@@ -206,7 +207,8 @@
 /**********  end CPython-specific section  **********/
 #else
 _CFFI_UNUSED_FN
-static void (*_cffi_call_python)(struct _cffi_externpy_s *, char *);
+static void (*_cffi_call_python_org)(struct _cffi_externpy_s *, char *);
+# define _cffi_call_python  _cffi_call_python_org
 #endif
 
 
diff --git a/lib_pypy/cffi/api.py b/lib_pypy/cffi/api.py
--- a/lib_pypy/cffi/api.py
+++ b/lib_pypy/cffi/api.py
@@ -74,6 +74,7 @@
         self._windows_unicode = None
         self._init_once_cache = {}
         self._cdef_version = None
+        self._embedding = None
         if hasattr(backend, 'set_ffi'):
             backend.set_ffi(self)
         for name in backend.__dict__:
@@ -101,13 +102,21 @@
         If 'packed' is specified as True, all structs declared inside this
         cdef are packed, i.e. laid out without any field alignment at all.
         """
+        self._cdef(csource, override=override, packed=packed)
+
+    def embedding_api(self, csource, packed=False):
+        self._cdef(csource, packed=packed, dllexport=True)
+        if self._embedding is None:
+            self._embedding = ''
+
+    def _cdef(self, csource, override=False, **options):
         if not isinstance(csource, str):    # unicode, on Python 2
             if not isinstance(csource, basestring):
                 raise TypeError("cdef() argument must be a string")
             csource = csource.encode('ascii')
         with self._lock:
             self._cdef_version = object()
-            self._parser.parse(csource, override=override, packed=packed)
+            self._parser.parse(csource, override=override, **options)
             self._cdefsources.append(csource)
             if override:
                 for cache in self._function_caches:
@@ -533,6 +542,31 @@
                                        ('_UNICODE', '1')]
         kwds['define_macros'] = defmacros
 
+    def _apply_embedding_fix(self, kwds):
+        # must include an argument like "-lpython2.7" for the compiler
+        if '__pypy__' in sys.builtin_module_names:
+            if hasattr(sys, 'prefix'):
+                import os
+                libdir = os.path.join(sys.prefix, 'bin')
+                dirs = kwds.setdefault('library_dirs', [])
+                if libdir not in dirs:
+                    dirs.append(libdir)
+            pythonlib = "pypy-c"
+        else:
+            if sys.platform == "win32":
+                template = "python%d%d"
+                if sys.flags.debug:
+                    template = template + '_d'
+            else:
+                template = "python%d.%d"
+            pythonlib = (template %
+                    (sys.hexversion >> 24, (sys.hexversion >> 16) & 0xff))
+            if hasattr(sys, 'abiflags'):
+                pythonlib += sys.abiflags
+        libraries = kwds.setdefault('libraries', [])
+        if pythonlib not in libraries:
+            libraries.append(pythonlib)
+
     def set_source(self, module_name, source, source_extension='.c', **kwds):
         if hasattr(self, '_assigned_source'):
             raise ValueError("set_source() cannot be called several times "
@@ -592,14 +626,23 @@
         recompile(self, module_name, source,
                   c_file=filename, call_c_compiler=False, **kwds)
 
-    def compile(self, tmpdir='.', verbose=0):
+    def compile(self, tmpdir='.', verbose=0, target=None):
+        """The 'target' argument gives the final file name of the
+        compiled DLL.  Use '*' to force distutils' choice, suitable for
+        regular CPython C API modules.  Use a file name ending in '.*'
+        to ask for the system's default extension for dynamic libraries
+        (.so/.dll).
+
+        The default is '*' when building a non-embedded C API extension,
+        and (module_name + '.*') when building an embedded library.
+        """
         from .recompiler import recompile
         #
         if not hasattr(self, '_assigned_source'):
             raise ValueError("set_source() must be called before compile()")
         module_name, source, source_extension, kwds = self._assigned_source
         return recompile(self, module_name, source, tmpdir=tmpdir,
-                         source_extension=source_extension,
+                         target=target, source_extension=source_extension,
                          compiler_verbose=verbose, **kwds)
 
     def init_once(self, func, tag):
@@ -626,6 +669,32 @@
             self._init_once_cache[tag] = (True, result)
         return result
 
+    def embedding_init_code(self, pysource):
+        if self._embedding:
+            raise ValueError("embedding_init_code() can only be called once")
+        # fix 'pysource' before it gets dumped into the C file:
+        # - remove empty lines at the beginning, so it starts at "line 1"
+        # - dedent, if all non-empty lines are indented
+        # - check for SyntaxErrors
+        import re
+        match = re.match(r'\s*\n', pysource)
+        if match:
+            pysource = pysource[match.end():]
+        lines = pysource.splitlines() or ['']
+        prefix = re.match(r'\s*', lines[0]).group()
+        for i in range(1, len(lines)):
+            line = lines[i]
+            if line.rstrip():
+                while not line.startswith(prefix):
+                    prefix = prefix[:-1]
+        i = len(prefix)
+        lines = [line[i:]+'\n' for line in lines]
+        pysource = ''.join(lines)
+        #
+        compile(pysource, "cffi_init", "exec")
+        #
+        self._embedding = pysource
+
 
 def _load_backend_lib(backend, name, flags):
     if name is None:
diff --git a/lib_pypy/cffi/cparser.py b/lib_pypy/cffi/cparser.py
--- a/lib_pypy/cffi/cparser.py
+++ b/lib_pypy/cffi/cparser.py
@@ -220,8 +220,7 @@
         self._included_declarations = set()
         self._anonymous_counter = 0
         self._structnode2type = weakref.WeakKeyDictionary()
-        self._override = False
-        self._packed = False
+        self._options = None
         self._int_constants = {}
         self._recomplete = []
         self._uses_new_feature = None
@@ -281,16 +280,15 @@
             msg = 'parse error\n%s' % (msg,)
         raise api.CDefError(msg)
 
-    def parse(self, csource, override=False, packed=False):
-        prev_override = self._override
-        prev_packed = self._packed
+    def parse(self, csource, override=False, packed=False, dllexport=False):
+        prev_options = self._options
         try:
-            self._override = override
-            self._packed = packed
+            self._options = {'override': override,
+                             'packed': packed,
+                             'dllexport': dllexport}
             self._internal_parse(csource)
         finally:
-            self._override = prev_override
-            self._packed = prev_packed
+            self._options = prev_options
 
     def _internal_parse(self, csource):
         ast, macros, csource = self._parse(csource)
@@ -376,10 +374,13 @@
 
     def _declare_function(self, tp, quals, decl):
         tp = self._get_type_pointer(tp, quals)
-        if self._inside_extern_python:
-            self._declare('extern_python ' + decl.name, tp)
+        if self._options['dllexport']:
+            tag = 'dllexport_python '
+        elif self._inside_extern_python:
+            tag = 'extern_python '
         else:
-            self._declare('function ' + decl.name, tp)
+            tag = 'function '
+        self._declare(tag + decl.name, tp)
 
     def _parse_decl(self, decl):
         node = decl.type
@@ -449,7 +450,7 @@
             prevobj, prevquals = self._declarations[name]
             if prevobj is obj and prevquals == quals:
                 return
-            if not self._override:
+            if not self._options['override']:
                 raise api.FFIError(
                     "multiple declarations of %s (for interactive usage, "
                     "try cdef(xx, override=True))" % (name,))
@@ -728,7 +729,7 @@
             if isinstance(tp, model.StructType) and tp.partial:
                 raise NotImplementedError("%s: using both bitfields and '...;'"
                                           % (tp,))
-        tp.packed = self._packed
+        tp.packed = self._options['packed']
         if tp.completed:    # must be re-completed: it is not opaque any more
             tp.completed = 0
             self._recomplete.append(tp)
diff --git a/lib_pypy/cffi/ffiplatform.py b/lib_pypy/cffi/ffiplatform.py
--- a/lib_pypy/cffi/ffiplatform.py
+++ b/lib_pypy/cffi/ffiplatform.py
@@ -21,12 +21,14 @@
         allsources.append(os.path.normpath(src))
     return Extension(name=modname, sources=allsources, **kwds)
 
-def compile(tmpdir, ext, compiler_verbose=0):
+def compile(tmpdir, ext, compiler_verbose=0, target_extension=None,
+            embedding=False):
     """Compile a C extension module using distutils."""
 
     saved_environ = os.environ.copy()
     try:
-        outputfilename = _build(tmpdir, ext, compiler_verbose)
+        outputfilename = _build(tmpdir, ext, compiler_verbose,
+                                target_extension, embedding)
         outputfilename = os.path.abspath(outputfilename)
     finally:
         # workaround for a distutils bugs where some env vars can
@@ -36,7 +38,32 @@
                 os.environ[key] = value
     return outputfilename
 
-def _build(tmpdir, ext, compiler_verbose=0):
+def _save_val(name):
+    import distutils.sysconfig
+    config_vars = distutils.sysconfig.get_config_vars()
+    return config_vars.get(name, Ellipsis)
+
+def _restore_val(name, value):
+    import distutils.sysconfig
+    config_vars = distutils.sysconfig.get_config_vars()
+    config_vars[name] = value
+    if value is Ellipsis:
+        del config_vars[name]
+
+def _win32_hack_for_embedding():
+    from distutils.msvc9compiler import MSVCCompiler
+    if not hasattr(MSVCCompiler, '_remove_visual_c_ref_CFFI_BAK'):
+        MSVCCompiler._remove_visual_c_ref_CFFI_BAK = \
+            MSVCCompiler._remove_visual_c_ref
+    MSVCCompiler._remove_visual_c_ref = lambda self,manifest_file: manifest_file
+
+def _win32_unhack_for_embedding():
+    from distutils.msvc9compiler import MSVCCompiler
+    MSVCCompiler._remove_visual_c_ref = \
+        MSVCCompiler._remove_visual_c_ref_CFFI_BAK
+
+def _build(tmpdir, ext, compiler_verbose=0, target_extension=None,
+           embedding=False):
     # XXX compact but horrible :-(
     from distutils.core import Distribution
     import distutils.errors, distutils.log
@@ -49,18 +76,29 @@
     options['build_temp'] = ('ffiplatform', tmpdir)
     #
     try:
+        if sys.platform == 'win32' and embedding:
+            _win32_hack_for_embedding()
         old_level = distutils.log.set_threshold(0) or 0
+        old_SO = _save_val('SO')
+        old_EXT_SUFFIX = _save_val('EXT_SUFFIX')
         try:
+            if target_extension is not None:
+                _restore_val('SO', target_extension)
+                _restore_val('EXT_SUFFIX', target_extension)
             distutils.log.set_verbosity(compiler_verbose)
             dist.run_command('build_ext')
+            cmd_obj = dist.get_command_obj('build_ext')
+            [soname] = cmd_obj.get_outputs()
         finally:
             distutils.log.set_threshold(old_level)
+            _restore_val('SO', old_SO)
+            _restore_val('EXT_SUFFIX', old_EXT_SUFFIX)
+            if sys.platform == 'win32' and embedding:
+                _win32_unhack_for_embedding()
     except (distutils.errors.CompileError,
             distutils.errors.LinkError) as e:
         raise VerificationError('%s: %s' % (e.__class__.__name__, e))
     #
-    cmd_obj = dist.get_command_obj('build_ext')
-    [soname] = cmd_obj.get_outputs()
     return soname
 
 try:
diff --git a/lib_pypy/cffi/recompiler.py b/lib_pypy/cffi/recompiler.py
--- a/lib_pypy/cffi/recompiler.py
+++ b/lib_pypy/cffi/recompiler.py
@@ -3,6 +3,7 @@
 from .cffi_opcode import *
 
 VERSION = "0x2601"
+VERSION_EMBEDDED = "0x2701"
 
 
 class GlobalExpr:
@@ -281,6 +282,29 @@
         lines[i:i+1] = self._rel_readlines('parse_c_type.h')
         prnt(''.join(lines))
         #
+        # if we have ffi._embedding != None, we give it here as a macro
+        # and include an extra file
+        base_module_name = self.module_name.split('.')[-1]
+        if self.ffi._embedding is not None:
+            prnt('#define _CFFI_MODULE_NAME  "%s"' % (self.module_name,))
+            prnt('#define _CFFI_PYTHON_STARTUP_CODE  %s' %
+                 (self._string_literal(self.ffi._embedding),))
+            prnt('#ifdef PYPY_VERSION')
+            prnt('# define _CFFI_PYTHON_STARTUP_FUNC  _cffi_pypyinit_%s' % (
+                base_module_name,))
+            prnt('#elif PY_MAJOR_VERSION >= 3')
+            prnt('# define _CFFI_PYTHON_STARTUP_FUNC  PyInit_%s' % (
+                base_module_name,))
+            prnt('#else')
+            prnt('# define _CFFI_PYTHON_STARTUP_FUNC  init%s' % (
+                base_module_name,))
+            prnt('#endif')
+            lines = self._rel_readlines('_embedding.h')
+            prnt(''.join(lines))
+            version = VERSION_EMBEDDED
+        else:
+            version = VERSION
+        #
         # then paste the C source given by the user, verbatim.
         prnt('/************************************************************/')
         prnt()
@@ -365,17 +389,16 @@
         prnt()
         #
         # the init function
-        base_module_name = self.module_name.split('.')[-1]
         prnt('#ifdef PYPY_VERSION')
         prnt('PyMODINIT_FUNC')
         prnt('_cffi_pypyinit_%s(const void *p[])' % (base_module_name,))
         prnt('{')
         if self._num_externpy:
             prnt('    if (((intptr_t)p[0]) >= 0x0A03) {')
-            prnt('        _cffi_call_python = '
+            prnt('        _cffi_call_python_org = '
                  '(void(*)(struct _cffi_externpy_s *, char *))p[1];')
             prnt('    }')
-        prnt('    p[0] = (const void *)%s;' % VERSION)
+        prnt('    p[0] = (const void *)%s;' % version)
         prnt('    p[1] = &_cffi_type_context;')
         prnt('}')
         # on Windows, distutils insists on putting init_cffi_xyz in
@@ -394,14 +417,14 @@
         prnt('PyInit_%s(void)' % (base_module_name,))
         prnt('{')
         prnt('  return _cffi_init("%s", %s, &_cffi_type_context);' % (
-            self.module_name, VERSION))
+            self.module_name, version))
         prnt('}')
         prnt('#else')
         prnt('PyMODINIT_FUNC')
         prnt('init%s(void)' % (base_module_name,))
         prnt('{')
         prnt('  _cffi_init("%s", %s, &_cffi_type_context);' % (
-            self.module_name, VERSION))
+            self.module_name, version))
         prnt('}')
         prnt('#endif')
 
@@ -1123,7 +1146,10 @@
         assert isinstance(tp, model.FunctionPtrType)
         self._do_collect_type(tp)
 
-    def _generate_cpy_extern_python_decl(self, tp, name):
+    def _generate_cpy_dllexport_python_collecttype(self, tp, name):
+        self._generate_cpy_extern_python_collecttype(tp, name)
+
+    def _generate_cpy_extern_python_decl(self, tp, name, dllexport=False):
         prnt = self._prnt
         if isinstance(tp.result, model.VoidType):
             size_of_result = '0'
@@ -1156,7 +1182,11 @@
             size_of_a = 'sizeof(%s) > %d ? sizeof(%s) : %d' % (
                 tp.result.get_c_name(''), size_of_a,
                 tp.result.get_c_name(''), size_of_a)
-        prnt('static %s' % tp.result.get_c_name(name_and_arguments))
+        if dllexport:
+            tag = 'CFFI_DLLEXPORT'
+        else:
+            tag = 'static'
+        prnt('%s %s' % (tag, tp.result.get_c_name(name_and_arguments)))
         prnt('{')
         prnt('  char a[%s];' % size_of_a)
         prnt('  char *p = a;')
@@ -1174,6 +1204,9 @@
         prnt()
         self._num_externpy += 1
 
+    def _generate_cpy_dllexport_python_decl(self, tp, name):
+        self._generate_cpy_extern_python_decl(tp, name, dllexport=True)
+
     def _generate_cpy_extern_python_ctx(self, tp, name):
         if self.target_is_python:
             raise ffiplatform.VerificationError(
@@ -1185,6 +1218,21 @@
         self._lsts["global"].append(
             GlobalExpr(name, '&_cffi_externpy__%s' % name, type_op, name))
 
+    def _generate_cpy_dllexport_python_ctx(self, tp, name):
+        self._generate_cpy_extern_python_ctx(tp, name)
+
+    def _string_literal(self, s):
+        def _char_repr(c):
+            # escape with a '\' the characters '\', '"' or (for trigraphs) '?'
+            if c in '\\"?': return '\\' + c
+            if ' ' <= c < '\x7F': return c
+            if c == '\n': return '\\n'
+            return '\\%03o' % ord(c)
+        lines = []
+        for line in s.splitlines(True):
+            lines.append('"%s"' % ''.join([_char_repr(c) for c in line]))
+        return ' \\\n'.join(lines)
+
     # ----------
     # emitting the opcodes for individual types
 
@@ -1311,12 +1359,15 @@
 
 def recompile(ffi, module_name, preamble, tmpdir='.', call_c_compiler=True,
               c_file=None, source_extension='.c', extradir=None,
-              compiler_verbose=1, **kwds):
+              compiler_verbose=1, target=None, **kwds):
     if not isinstance(module_name, str):
         module_name = module_name.encode('ascii')
     if ffi._windows_unicode:
         ffi._apply_windows_unicode(kwds)
     if preamble is not None:
+        embedding = (ffi._embedding is not None)
+        if embedding:
+            ffi._apply_embedding_fix(kwds)
         if c_file is None:
             c_file, parts = _modname_to_file(tmpdir, module_name,
                                              source_extension)
@@ -1325,13 +1376,40 @@
             ext_c_file = os.path.join(*parts)
         else:
             ext_c_file = c_file
-        ext = ffiplatform.get_extension(ext_c_file, module_name, **kwds)
+        #
+        if target is None:
+            if embedding:
+                target = '%s.*' % module_name
+            else:
+                target = '*'
+        if target == '*':
+            target_module_name = module_name
+            target_extension = None      # use default
+        else:
+            if target.endswith('.*'):
+                target = target[:-2]
+                if sys.platform == 'win32':
+                    target += '.dll'
+                else:
+                    target += '.so'
+            # split along the first '.' (not the last one, otherwise the
+            # preceeding dots are interpreted as splitting package names)
+            index = target.find('.')
+            if index < 0:
+                raise ValueError("target argument %r should be a file name "
+                                 "containing a '.'" % (target,))
+            target_module_name = target[:index]
+            target_extension = target[index:]
+        #
+        ext = ffiplatform.get_extension(ext_c_file, target_module_name, **kwds)
         updated = make_c_source(ffi, module_name, preamble, c_file)
         if call_c_compiler:
             cwd = os.getcwd()
             try:
                 os.chdir(tmpdir)
-                outputfilename = ffiplatform.compile('.', ext, compiler_verbose)
+                outputfilename = ffiplatform.compile('.', ext, compiler_verbose,
+                                                     target_extension,
+                                                     embedding=embedding)
             finally:
                 os.chdir(cwd)
             return outputfilename
diff --git a/lib_pypy/greenlet.py b/lib_pypy/greenlet.py
--- a/lib_pypy/greenlet.py
+++ b/lib_pypy/greenlet.py
@@ -203,7 +203,7 @@
         try:
             if hasattr(_tls, 'trace'):
                 _run_trace_callback('throw')
-            raise exc, value, tb
+            raise __pypy__.normalize_exc(exc, value, tb)
         except GreenletExit as e:
             res = e
         finally:
diff --git a/pypy/doc/embedding.rst b/pypy/doc/embedding.rst
--- a/pypy/doc/embedding.rst
+++ b/pypy/doc/embedding.rst
@@ -10,6 +10,15 @@
 with a ``libpypy-c.so`` or ``pypy-c.dll`` file.  This is the default in
 recent versions of PyPy.
 
+.. note::
+
+   The interface described in this page is kept for backward compatibility.
+   From PyPy 4.1, it is recommended to use instead CFFI's `native embedding
+   support,`__ which gives a simpler approach that works on CPython as well
+   as PyPy.
+
+.. __: http://cffi.readthedocs.org/en/latest/embedding.html
+
 The resulting shared library exports very few functions, however they are
 enough to accomplish everything you need, provided you follow a few principles.
 The API is:
@@ -130,8 +139,13 @@
 More complete example
 ---------------------
 
-.. note:: This example depends on pypy_execute_source_ptr which is not available
-          in PyPy <= 2.2.1.
+.. note:: Note that we do not make use of ``extern "Python"``, the new
+   way to do callbacks in CFFI 1.4: this is because these examples use
+   the ABI mode, not the API mode, and with the ABI mode you still have
+   to use ``ffi.callback()``.  It is work in progress to integrate
+   ``extern "Python"`` with the idea of embedding (and it is expected
+   to ultimately lead to a better way to do embedding than the one
+   described here, and that would work equally well on CPython and PyPy).
 
 Typically we need something more to do than simply execute source. The following
 is a fully fledged example, please consult cffi documentation for details.
diff --git a/pypy/doc/faq.rst b/pypy/doc/faq.rst
--- a/pypy/doc/faq.rst
+++ b/pypy/doc/faq.rst
@@ -54,7 +54,8 @@
 It is quite common nowadays that xyz is available on PyPI_ and
 installable with ``pip install xyz``.  The simplest solution is to `use
 virtualenv (as documented here)`_.  Then enter (activate) the virtualenv
-and type: ``pip install xyz``.
+and type: ``pip install xyz``.  If you don't know or don't want virtualenv,
+you can also install ``pip`` globally by saying ``pypy -m ensurepip``.
 
 If you get errors from the C compiler, the module is a CPython C
 Extension module using unsupported features.  `See below.`_
diff --git a/pypy/doc/getting-started-dev.rst b/pypy/doc/getting-started-dev.rst
--- a/pypy/doc/getting-started-dev.rst
+++ b/pypy/doc/getting-started-dev.rst
@@ -19,7 +19,9 @@
 
 * Clone this new repo (i.e. the fork) to your local machine with the command 
   ``hg clone ssh://hg@bitbucket.org/yourname/pypy``.  It is a very slow
-  operation but only ever needs to be done once.  If you already cloned
+  operation but only ever needs to be done once.  See also 
+  http://pypy.org/download.html#building-from-source .
+  If you already cloned
   ``https://bitbucket.org/pypy/pypy`` before, even if some time ago,
   then you can reuse the same clone by editing the file ``.hg/hgrc`` in
   your clone to contain the line ``default =
diff --git a/pypy/doc/how-to-contribute.rst b/pypy/doc/how-to-contribute.rst
--- a/pypy/doc/how-to-contribute.rst
+++ b/pypy/doc/how-to-contribute.rst
@@ -67,8 +67,8 @@
   **module** directory contains extension modules written in RPython
 
 * **rpython compiler** that resides in ``rpython/annotator`` and
-  ``rpython/rtyper`` directories. Consult :doc:`introduction to RPython <getting-started-dev>` for
-  further reading
+  ``rpython/rtyper`` directories. Consult `Getting Started with RPython`_
+  for further reading
 
 * **JIT generator** lives in ``rpython/jit`` directory. optimizations live
   in ``rpython/jit/metainterp/optimizeopt``, the main JIT in
@@ -80,3 +80,14 @@
 
 The rest of directories serve specific niche goal and are unlikely a good
 entry point.
+
+
+More documentation
+------------------
+
+* `Getting Started Developing With PyPy`_
+
+* `Getting Started with RPython`_
+
+.. _`Getting Started Developing With PyPy`: getting-started-dev.html
+.. _`Getting started with RPython`: http://rpython.readthedocs.org/en/latest/getting-started.html
diff --git a/pypy/doc/stm.rst b/pypy/doc/stm.rst
--- a/pypy/doc/stm.rst
+++ b/pypy/doc/stm.rst
@@ -83,30 +83,27 @@
 
 **pypy-stm requires 64-bit Linux for now.**
 
-Development is done in the branch `stmgc-c7`_.  If you are only
-interested in trying it out, you can download a Ubuntu binary here__
-(``pypy-stm-2.*.tar.bz2``, for Ubuntu 12.04-14.04).  The current version
-supports four "segments", which means that it will run up to four
-threads in parallel.  (Development recently switched to `stmgc-c8`_,
-but that is not ready for trying out yet.)
+Development is done in the branch `stmgc-c8`_.  If you are only
+interested in trying it out, please pester us until we upload a recent
+prebuilt binary.  The current version supports four "segments", which
+means that it will run up to four threads in parallel.
 
 To build a version from sources, you first need to compile a custom
-version of clang(!); we recommend downloading `llvm and clang like
-described here`__, but at revision 201645 (use ``svn co -r 201645 <path>``
-for all checkouts).  Then apply all the patches in `this directory`__:
-they are fixes for a clang-only feature that hasn't been used so heavily
-in the past (without the patches, you get crashes of clang).  Then get
-the branch `stmgc-c7`_ of PyPy and run::
+version of gcc(!).  See the instructions here:
+https://bitbucket.org/pypy/stmgc/src/default/gcc-seg-gs/
+(Note that these patches are being incorporated into gcc.  It is likely
+that future versions of gcc will not need to be patched any more.)
+
+Then get the branch `stmgc-c8`_ of PyPy and run::
 
    cd pypy/goal
    ../../rpython/bin/rpython -Ojit --stm
-   PYTHONPATH=. ./pypy-c pypy/tool/build_cffi_imports.py
 
-.. _`stmgc-c7`: https://bitbucket.org/pypy/pypy/src/stmgc-c7/
+At the end, this will try to compile the generated C code by calling
+``gcc-seg-gs``, which must be the script you installed in the
+instructions above.
+
 .. _`stmgc-c8`: https://bitbucket.org/pypy/pypy/src/stmgc-c8/
-.. __: https://bitbucket.org/pypy/pypy/downloads/
-.. __: http://clang.llvm.org/get_started.html
-.. __: https://bitbucket.org/pypy/stmgc/src/default/c7/llvmfix/
 
 
 .. _caveats:
@@ -114,6 +111,12 @@
 Current status (stmgc-c7)
 -------------------------
 
+.. warning::
+    
+    THIS PAGE IS OLD, THE REST IS ABOUT STMGC-C7 WHEREAS THE CURRENT
+    DEVELOPMENT WORK IS DONE ON STMGC-C8
+
+
 * **NEW:** It seems to work fine, without crashing any more.  Please `report
   any crash`_ you find (or other bugs).
 
diff --git a/pypy/doc/whatsnew-head.rst b/pypy/doc/whatsnew-head.rst
--- a/pypy/doc/whatsnew-head.rst
+++ b/pypy/doc/whatsnew-head.rst
@@ -5,6 +5,8 @@
 .. this is a revision shortly after release-4.0.1
 .. startrev: 4b5c840d0da2
 
+Fixed ``_PyLong_FromByteArray()``, which was buggy.
+
 .. branch: numpy-1.10
 
 Fix tests to run cleanly with -A and start to fix micronumpy for upstream numpy
@@ -44,6 +46,9 @@
 
 .. branch: fix-setslice-can-resize
 
+Make rlist's ll_listsetslice() able to resize the target list to help
+simplify objspace/std/listobject.py. Was issue #2196.
+
 .. branch: anntype2
 
 A somewhat random bunch of changes and fixes following up on branch 'anntype'. Highlights:
@@ -73,3 +78,64 @@
 Move wrappers for OS functions from `rpython/rtyper` to `rpython/rlib` and 
 turn them into regular RPython functions. Most RPython-compatible `os.*` 
 functions are now directly accessible as `rpython.rposix.*`.
+
+.. branch: always-enable-gil
+
+Simplify a bit the GIL handling in non-jitted code.  Fixes issue #2205.
+
+.. branch: flowspace-cleanups
+
+Trivial cleanups in flowspace.operation : fix comment & duplicated method
+
+.. branch: test-AF_NETLINK
+
+Add a test for pre-existing AF_NETLINK support. Was part of issue #1942.
+
+.. branch: small-cleanups-misc
+
+Trivial misc cleanups: typo, whitespace, obsolete comments
+
+.. branch: cpyext-slotdefs
+.. branch: fix-missing-canraise
+.. branch: whatsnew
+
+.. branch: fix-2211
+
+Fix the cryptic exception message when attempting to use extended slicing
+in rpython. Was issue #2211.
+
+.. branch: ec-keepalive
+
+Optimize the case where, in a new C-created thread, we keep invoking
+short-running Python callbacks.  (CFFI on CPython has a hack to achieve
+the same result.)  This can also be seen as a bug fix: previously,
+thread-local objects would be reset between two such calls.
+
+.. branch: globals-quasiimmut
+
+Optimize global lookups.
+
+.. branch: cffi-static-callback-embedding
+
+Updated to CFFI 1.5, which supports a new way to do embedding.
+Deprecates http://pypy.readthedocs.org/en/latest/embedding.html.
+
+.. branch: fix-cpython-ssl-tests-2.7
+
+Fix SSL tests by importing cpython's patch
+
+.. branch: remove-getfield-pure
+
+Remove pure variants of ``getfield_gc_*`` operations from the JIT. Relevant
+optimizations instead consult the field descriptor to determine the purity of
+the operation. Additionally, pure ``getfield`` operations are now handled
+entirely by `rpython/jit/metainterp/optimizeopt/heap.py` rather than
+`rpython/jit/metainterp/optimizeopt/pure.py`, which can result in better codegen
+for traces containing a large number of pure getfield operations.
+
+.. branch: exctrans
+
+Try to ensure that no new functions get annotated during the 'source_c' phase.
+Refactor sandboxing to operate at a higher level.
+
+.. branch: cpyext-bootstrap
diff --git a/pypy/goal/targetpypystandalone.py b/pypy/goal/targetpypystandalone.py
--- a/pypy/goal/targetpypystandalone.py
+++ b/pypy/goal/targetpypystandalone.py
@@ -91,13 +91,6 @@
     from rpython.rlib.entrypoint import entrypoint_highlevel
     from rpython.rtyper.lltypesystem import rffi, lltype
 
-    w_pathsetter = space.appexec([], """():
-    def f(path):
-        import sys
-        sys.path[:] = path
-    return f
-    """)
-
     @entrypoint_highlevel('main', [rffi.CCHARP, rffi.INT],
                           c_name='pypy_setup_home')
     def pypy_setup_home(ll_home, verbose):
@@ -116,7 +109,10 @@
                       " not found in '%s' or in any parent directory" % home1)
             return rffi.cast(rffi.INT, 1)
         space.startup()
-        space.call_function(w_pathsetter, w_path)
+        space.appexec([w_path], """(path):
+            import sys
+            sys.path[:] = path
+        """)
         # import site
         try:
             space.setattr(space.getbuiltinmodule('sys'),
@@ -156,6 +152,9 @@
             return
         os_thread.setup_threads(space)
         os_thread.bootstrapper.acquire(space, None, None)
+        # XXX this doesn't really work.  Don't use os.fork(), and
+        # if your embedder program uses fork(), don't use any PyPy
+        # code in the fork
         rthread.gc_thread_start()
         os_thread.bootstrapper.nbthreads += 1
         os_thread.bootstrapper.release()
diff --git a/pypy/interpreter/astcompiler/test/test_compiler.py b/pypy/interpreter/astcompiler/test/test_compiler.py
--- a/pypy/interpreter/astcompiler/test/test_compiler.py
+++ b/pypy/interpreter/astcompiler/test/test_compiler.py
@@ -1019,6 +1019,8 @@
 
     def test_dont_fold_equal_code_objects(self):
         yield self.st, "f=lambda:1;g=lambda:1.0;x=g()", 'type(x)', float
+        yield (self.st, "x=(lambda: (-0.0, 0.0), lambda: (0.0, -0.0))[1]()",
+                        'repr(x)', '(0.0, -0.0)')
 
     def test_raise_from(self):
         test = """if 1:
diff --git a/pypy/interpreter/eval.py b/pypy/interpreter/eval.py
--- a/pypy/interpreter/eval.py
+++ b/pypy/interpreter/eval.py
@@ -9,8 +9,8 @@
 class Code(W_Root):
     """A code is a compiled version of some source code.
     Abstract base class."""
-    _immutable_ = True
     hidden_applevel = False
+    _immutable_fields_ = ['co_name', 'fast_natural_arity', 'hidden_applevel']
 
     # n >= 0 : arity
     # FLATPYCALL = 0x100
diff --git a/pypy/interpreter/pycode.py b/pypy/interpreter/pycode.py
--- a/pypy/interpreter/pycode.py
+++ b/pypy/interpreter/pycode.py
@@ -76,10 +76,12 @@
 
 class PyCode(eval.Code):
     "CPython-style code objects."
-    _immutable_ = True
-    _immutable_fields_ = ["co_consts_w[*]", "co_names_w[*]", "co_varnames[*]",
-                          "co_freevars[*]", "co_cellvars[*]",
-                          "_args_as_cellvars[*]"]
+    _immutable_fields_ = ["_signature", "co_argcount", "co_kwonlyargcount", "co_cellvars[*]",
+                          "co_code", "co_consts_w[*]", "co_filename",
+                          "co_firstlineno", "co_flags", "co_freevars[*]",
+                          "co_lnotab", "co_names_w[*]", "co_nlocals",
+                          "co_stacksize", "co_varnames[*]",
+                          "_args_as_cellvars[*]", "w_globals?"]
 
     def __init__(self, space,  argcount, kwonlyargcount, nlocals, stacksize, flags,
                      code, consts, names, varnames, filename,
@@ -108,6 +110,10 @@
         self.co_name = name
         self.co_firstlineno = firstlineno
         self.co_lnotab = lnotab
+        # store the first globals object that the code object is run in in
+        # here. if a frame is run in that globals object, it does not need to
+        # store it at all
+        self.w_globals = None
         self.hidden_applevel = hidden_applevel
         self.magic = magic
         self._signature = cpython_code_signature(self)
@@ -115,6 +121,14 @@
         self._init_ready()
         self.new_code_hook()
 
+    def frame_stores_global(self, w_globals):
+        if self.w_globals is None:
+            self.w_globals = w_globals
+            return False
+        if self.w_globals is w_globals:
+            return False
+        return True
+
     def new_code_hook(self):
         code_hook = self.space.fromcache(CodeHookCache)._code_hook
         if code_hook is not None:
diff --git a/pypy/interpreter/pyframe.py b/pypy/interpreter/pyframe.py
--- a/pypy/interpreter/pyframe.py
+++ b/pypy/interpreter/pyframe.py
@@ -36,6 +36,7 @@
 
     def __init__(self, pycode):
         self.f_lineno = pycode.co_firstlineno
+        self.w_globals = pycode.w_globals
 
 class PyFrame(W_Root):
     """Represents a frame for a regular Python function
@@ -67,7 +68,6 @@
     escaped                  = False  # see mark_as_escaped()
     debugdata                = None
 
-    w_globals = None
     pycode = None # code object executed by that frame
     locals_cells_stack_w = None # the list of all locals, cells and the valuestack
     valuestackdepth = 0 # number of items on valuestack
@@ -90,8 +90,9 @@
         self = hint(self, access_directly=True, fresh_virtualizable=True)
         assert isinstance(code, pycode.PyCode)
         self.space = space
-        self.w_globals = w_globals
         self.pycode = code
+        if code.frame_stores_global(w_globals):
+            self.getorcreatedebug().w_globals = w_globals
         ncellvars = len(code.co_cellvars)
         nfreevars = len(code.co_freevars)
         size = code.co_nlocals + ncellvars + nfreevars + code.co_stacksize
@@ -116,6 +117,12 @@
             self.debugdata = FrameDebugData(self.pycode)
         return self.debugdata
 
+    def get_w_globals(self):
+        debugdata = self.getdebug()
+        if debugdata is not None:
+            return debugdata.w_globals
+        return jit.promote(self.pycode).w_globals
+
     def get_w_f_trace(self):
         d = self.getdebug()
         if d is None:
@@ -201,8 +208,9 @@
             if flags & pycode.CO_NEWLOCALS:
                 self.getorcreatedebug().w_locals = self.space.newdict(module=True)
             else:
-                assert self.w_globals is not None
-                self.getorcreatedebug().w_locals = self.w_globals
+                w_globals = self.get_w_globals()
+                assert w_globals is not None
+                self.getorcreatedebug().w_locals = w_globals
 
         ncellvars = len(code.co_cellvars)
         nfreevars = len(code.co_freevars)
@@ -449,7 +457,7 @@
             w_blockstack,
             w_exc_value, # last_exception
             w_tb,        #
-            self.w_globals,
+            self.get_w_globals(),
             w(self.last_instr),
             w(self.frame_finished_execution),
             w(f_lineno),
@@ -658,6 +666,11 @@
     def fget_getdictscope(self, space):
         return self.getdictscope()
 
+    def fget_w_globals(self, space):
+        # bit silly, but GetSetProperty passes a space
+        return self.get_w_globals()
+
+
     ### line numbers ###
 
     def fget_f_lineno(self, space):
diff --git a/pypy/interpreter/pyopcode.py b/pypy/interpreter/pyopcode.py
--- a/pypy/interpreter/pyopcode.py
+++ b/pypy/interpreter/pyopcode.py
@@ -832,16 +832,16 @@
     def STORE_GLOBAL(self, nameindex, next_instr):
         varname = self.getname_u(nameindex)
         w_newvalue = self.popvalue()
-        self.space.setitem_str(self.w_globals, varname, w_newvalue)
+        self.space.setitem_str(self.get_w_globals(), varname, w_newvalue)
 
     def DELETE_GLOBAL(self, nameindex, next_instr):
         w_varname = self.getname_w(nameindex)
-        self.space.delitem(self.w_globals, w_varname)
+        self.space.delitem(self.get_w_globals(), w_varname)
 
     def LOAD_NAME(self, nameindex, next_instr):
         w_varname = self.getname_w(nameindex)
         varname = self.space.identifier_w(w_varname)
-        if self.getorcreatedebug().w_locals is not self.w_globals:
+        if self.getorcreatedebug().w_locals is not self.get_w_globals():
             w_value = self.space.finditem_str(self.getorcreatedebug().w_locals,
                                               varname)
             if w_value is not None:
@@ -855,7 +855,7 @@
         self.pushvalue(w_value)
 
     def _load_global(self, varname):
-        w_value = self.space.finditem_str(self.w_globals, varname)
+        w_value = self.space.finditem_str(self.get_w_globals(), varname)
         if w_value is None:
             # not in the globals, now look in the built-ins
             w_value = self.get_builtin().getdictvalue(self.space, varname)
@@ -986,7 +986,7 @@
             w_locals = d.w_locals
         if w_locals is None:            # CPython does this
             w_locals = space.w_None
-        w_globals = self.w_globals
+        w_globals = self.get_w_globals()
         if w_flag is None:
             w_obj = space.call_function(w_import, w_modulename, w_globals,
                                         w_locals, w_fromlist)
@@ -1251,7 +1251,7 @@
                 w_name = self.popvalue()
                 w_def = self.popvalue()
                 space.setitem(w_kw_defs, w_def, w_name)
-        fn = function.Function(space, codeobj, self.w_globals, defaultarguments,
+        fn = function.Function(space, codeobj, self.get_w_globals(), defaultarguments,
                                w_kw_defs, freevars, w_ann, qualname=qualname)
         self.pushvalue(space.wrap(fn))
 
@@ -1638,7 +1638,7 @@
             if space.is_none(w_locals):
                 w_locals = w_globals
         else:
-            w_globals = caller.w_globals
+            w_globals = caller.get_w_globals()
             if space.is_none(w_locals):
                 w_locals = caller.getdictscope()
     elif space.is_none(w_locals):
diff --git a/pypy/interpreter/test/test_pyframe.py b/pypy/interpreter/test/test_pyframe.py
--- a/pypy/interpreter/test/test_pyframe.py
+++ b/pypy/interpreter/test/test_pyframe.py
@@ -34,6 +34,7 @@
         import sys
         f = sys._getframe()
         assert f.f_globals is globals()
+        raises(AttributeError, "f.f_globals = globals()")
 
     def test_f_builtins(self):
         import sys, builtins
diff --git a/pypy/interpreter/typedef.py b/pypy/interpreter/typedef.py
--- a/pypy/interpreter/typedef.py
+++ b/pypy/interpreter/typedef.py
@@ -790,7 +790,7 @@
     f_restricted = GetSetProperty(PyFrame.fget_f_restricted),
     f_code = GetSetProperty(PyFrame.fget_code),
     f_locals = GetSetProperty(PyFrame.fget_getdictscope),
-    f_globals = interp_attrproperty_w('w_globals', cls=PyFrame),
+    f_globals = GetSetProperty(PyFrame.fget_w_globals),
 )
 assert not PyFrame.typedef.acceptable_as_base_class  # no __new__
 
diff --git a/pypy/module/__builtin__/interp_inspect.py b/pypy/module/__builtin__/interp_inspect.py
--- a/pypy/module/__builtin__/interp_inspect.py
+++ b/pypy/module/__builtin__/interp_inspect.py
@@ -2,7 +2,7 @@
 def globals(space):
     "Return the dictionary containing the current scope's global variables."
     ec = space.getexecutioncontext()
-    return ec.gettopframe_nohidden().w_globals
+    return ec.gettopframe_nohidden().get_w_globals()
 
 def locals(space):
     """Return a dictionary containing the current scope's local variables.
diff --git a/pypy/module/__pypy__/__init__.py b/pypy/module/__pypy__/__init__.py
--- a/pypy/module/__pypy__/__init__.py
+++ b/pypy/module/__pypy__/__init__.py
@@ -87,6 +87,7 @@
         'set_code_callback'         : 'interp_magic.set_code_callback',
         'save_module_content_for_future_reload':
                           'interp_magic.save_module_content_for_future_reload',
+        'decode_long'               : 'interp_magic.decode_long',
         'normalize_exc'             : 'interp_magic.normalize_exc',
         'StdErrPrinter'             : 'interp_stderrprinter.W_StdErrPrinter',
     }
diff --git a/pypy/module/__pypy__/interp_magic.py b/pypy/module/__pypy__/interp_magic.py
--- a/pypy/module/__pypy__/interp_magic.py
+++ b/pypy/module/__pypy__/interp_magic.py
@@ -1,4 +1,4 @@
-from pypy.interpreter.error import OperationError, wrap_oserror
+from pypy.interpreter.error import OperationError, oefmt, wrap_oserror
 from pypy.interpreter.gateway import WrappedDefault, unwrap_spec
 from pypy.interpreter.pycode import CodeHookCache
 from pypy.interpreter.pyframe import PyFrame
@@ -83,7 +83,7 @@
     Return the underlying strategy currently used by a dict, list or set object
     """
     if isinstance(w_obj, W_DictMultiObject):
-        name = w_obj.strategy.__class__.__name__
+        name = w_obj.get_strategy().__class__.__name__
     elif isinstance(w_obj, W_ListObject):
         name = w_obj.strategy.__class__.__name__
     elif isinstance(w_obj, W_BaseSetObject):
@@ -139,6 +139,15 @@
     else:
         cache._code_hook = w_callable
 
+ at unwrap_spec(string=str, byteorder=str, signed=int)
+def decode_long(space, string, byteorder='little', signed=1):
+    from rpython.rlib.rbigint import rbigint, InvalidEndiannessError
+    try:
+        result = rbigint.frombytes(string, byteorder, bool(signed))
+    except InvalidEndiannessError:
+        raise oefmt(space.w_ValueError, "invalid byteorder argument")
+    return space.newlong_from_rbigint(result)
+
 @unwrap_spec(w_value=WrappedDefault(None), w_tb=WrappedDefault(None))
 def normalize_exc(space, w_type, w_value=None, w_tb=None):
     operr = OperationError(w_type, w_value, w_tb)
diff --git a/pypy/module/__pypy__/test/test_magic.py b/pypy/module/__pypy__/test/test_magic.py
--- a/pypy/module/__pypy__/test/test_magic.py
+++ b/pypy/module/__pypy__/test/test_magic.py
@@ -24,10 +24,26 @@
         __pypy__.set_code_callback(callable)
         d = {}
         try:
-            exec """
+            exec("""
 def f():
     pass
-""" in d
+""", d)
         finally:
             __pypy__.set_code_callback(None)
-        assert d['f'].__code__ in l
\ No newline at end of file
+        assert d['f'].__code__ in l
+
+    def test_decode_long(self):
+        from __pypy__ import decode_long
+        assert decode_long(b'') == 0
+        assert decode_long(b'\xff\x00') == 255
+        assert decode_long(b'\xff\x7f') == 32767
+        assert decode_long(b'\x00\xff') == -256
+        assert decode_long(b'\x00\x80') == -32768
+        assert decode_long(b'\x80') == -128
+        assert decode_long(b'\x7f') == 127
+        assert decode_long(b'\x55' * 97) == (1 << (97 * 8)) // 3
+        assert decode_long(b'\x00\x80', 'big') == 128
+        assert decode_long(b'\xff\x7f', 'little', False) == 32767
+        assert decode_long(b'\x00\x80', 'little', False) == 32768
+        assert decode_long(b'\x00\x80', 'little', True) == -32768
+        raises(ValueError, decode_long, '', 'foo')
diff --git a/pypy/module/_cffi_backend/__init__.py b/pypy/module/_cffi_backend/__init__.py
--- a/pypy/module/_cffi_backend/__init__.py
+++ b/pypy/module/_cffi_backend/__init__.py
@@ -1,8 +1,9 @@
 import sys
 from pypy.interpreter.mixedmodule import MixedModule
-from rpython.rlib import rdynload, clibffi
+from rpython.rlib import rdynload, clibffi, entrypoint
+from rpython.rtyper.lltypesystem import rffi
 
-VERSION = "1.4.0"
+VERSION = "1.5.0"
 
 FFI_DEFAULT_ABI = clibffi.FFI_DEFAULT_ABI
 try:
@@ -65,6 +66,10 @@
     if has_stdcall:
         interpleveldefs['FFI_STDCALL'] = 'space.wrap(%d)' % FFI_STDCALL
 
+    def startup(self, space):
+        from pypy.module._cffi_backend import embedding
+        embedding.glob.space = space
+
 
 def get_dict_rtld_constants():
     found = {}
@@ -78,3 +83,11 @@
 
 for _name, _value in get_dict_rtld_constants().items():
     Module.interpleveldefs[_name] = 'space.wrap(%d)' % _value
+
+
+# write this entrypoint() here, to make sure it is registered early enough
+ at entrypoint.entrypoint_highlevel('main', [rffi.INT, rffi.VOIDP],
+                                 c_name='pypy_init_embedded_cffi_module')
+def pypy_init_embedded_cffi_module(version, init_struct):
+    from pypy.module._cffi_backend import embedding
+    return embedding.pypy_init_embedded_cffi_module(version, init_struct)
diff --git a/pypy/module/_cffi_backend/call_python.py b/pypy/module/_cffi_backend/call_python.py
--- a/pypy/module/_cffi_backend/call_python.py
+++ b/pypy/module/_cffi_backend/call_python.py
@@ -40,10 +40,9 @@
        at least 8 bytes in size.
     """
     from pypy.module._cffi_backend.ccallback import reveal_callback
+    from rpython.rlib import rgil
 
-    after = rffi.aroundstate.after
-    if after:
-        after()
+    rgil.acquire()
     rffi.stackcounter.stacks_counter += 1
     llop.gc_stack_bottom(lltype.Void)   # marker for trackgcroot.py
 
@@ -71,9 +70,7 @@
     cerrno._errno_before(rffi.RFFI_ERR_ALL | rffi.RFFI_ALT_ERRNO)
 
     rffi.stackcounter.stacks_counter -= 1
-    before = rffi.aroundstate.before
-    if before:
-        before()
+    rgil.release()
 
 
 def get_ll_cffi_call_python():
diff --git a/pypy/module/_cffi_backend/cffi1_module.py b/pypy/module/_cffi_backend/cffi1_module.py
--- a/pypy/module/_cffi_backend/cffi1_module.py
+++ b/pypy/module/_cffi_backend/cffi1_module.py
@@ -2,24 +2,25 @@
 
 from pypy.interpreter.error import oefmt
 from pypy.interpreter.module import Module
+from pypy.module import _cffi_backend
 from pypy.module._cffi_backend import parse_c_type
 from pypy.module._cffi_backend.ffi_obj import W_FFIObject
 from pypy.module._cffi_backend.lib_obj import W_LibObject
 
 
 VERSION_MIN    = 0x2601
-VERSION_MAX    = 0x26FF
+VERSION_MAX    = 0x27FF
 
 VERSION_EXPORT = 0x0A03
 
-initfunctype = lltype.Ptr(lltype.FuncType([rffi.VOIDPP], lltype.Void))
+INITFUNCPTR = lltype.Ptr(lltype.FuncType([rffi.VOIDPP], lltype.Void))
 
 
 def load_cffi1_module(space, name, path, initptr):
     # This is called from pypy.module.cpyext.api.load_extension_module()
     from pypy.module._cffi_backend.call_python import get_ll_cffi_call_python
 
-    initfunc = rffi.cast(initfunctype, initptr)
+    initfunc = rffi.cast(INITFUNCPTR, initptr)
     with lltype.scoped_alloc(rffi.VOIDPP.TO, 16, zero=True) as p:
         p[0] = rffi.cast(rffi.VOIDP, VERSION_EXPORT)
         p[1] = rffi.cast(rffi.VOIDP, get_ll_cffi_call_python())
@@ -27,8 +28,10 @@
         version = rffi.cast(lltype.Signed, p[0])
         if not (VERSION_MIN <= version <= VERSION_MAX):
             raise oefmt(space.w_ImportError,
-                "cffi extension module '%s' has unknown version %s",
-                name, hex(version))
+                "cffi extension module '%s' uses an unknown version tag %s. "
+                "This module might need a more recent version of PyPy. "
+                "The current PyPy provides CFFI %s.",
+                name, hex(version), _cffi_backend.VERSION)
         src_ctx = rffi.cast(parse_c_type.PCTX, p[1])
 
     ffi = W_FFIObject(space, src_ctx)
@@ -38,7 +41,8 @@
 
     w_name = space.wrap(name)
     module = Module(space, w_name)
-    module.setdictvalue(space, '__file__', space.wrap(path))
+    if path is not None:
+        module.setdictvalue(space, '__file__', space.wrap(path))
     module.setdictvalue(space, 'ffi', space.wrap(ffi))
     module.setdictvalue(space, 'lib', space.wrap(lib))
     w_modules_dict = space.sys.get('modules')
diff --git a/pypy/module/_cffi_backend/cglob.py b/pypy/module/_cffi_backend/cglob.py
--- a/pypy/module/_cffi_backend/cglob.py
+++ b/pypy/module/_cffi_backend/cglob.py
@@ -3,6 +3,7 @@
 from pypy.interpreter.typedef import TypeDef
 from pypy.module._cffi_backend.cdataobj import W_CData
 from pypy.module._cffi_backend import newtype
+from rpython.rlib import rgil
 from rpython.rlib.objectmodel import we_are_translated
 from rpython.rtyper.lltypesystem import lltype, rffi
 from rpython.translator.tool.cbuild import ExternalCompilationInfo
@@ -26,7 +27,9 @@
             if not we_are_translated():
                 FNPTR = rffi.CCallback([], rffi.VOIDP)
                 fetch_addr = rffi.cast(FNPTR, self.fetch_addr)
+                rgil.release()
                 result = fetch_addr()
+                rgil.acquire()
             else:
                 # careful in translated versions: we need to call fetch_addr,
                 # but in a GIL-releasing way.  The easiest is to invoke a
diff --git a/pypy/module/_cffi_backend/ctypefunc.py b/pypy/module/_cffi_backend/ctypefunc.py
--- a/pypy/module/_cffi_backend/ctypefunc.py
+++ b/pypy/module/_cffi_backend/ctypefunc.py
@@ -423,7 +423,9 @@
             exchange_offset += rffi.getintfield(self.atypes[i], 'c_size')
 
         # store the exchange data size
-        cif_descr.exchange_size = exchange_offset
+        # we also align it to the next multiple of 8, in an attempt to
+        # work around bugs(?) of libffi (see cffi issue #241)
+        cif_descr.exchange_size = self.align_arg(exchange_offset)
 
     def fb_extra_fields(self, cif_descr):
         cif_descr.abi = self.fabi
diff --git a/pypy/module/_cffi_backend/embedding.py b/pypy/module/_cffi_backend/embedding.py
new file mode 100644
--- /dev/null
+++ b/pypy/module/_cffi_backend/embedding.py
@@ -0,0 +1,146 @@
+import os
+from rpython.rtyper.lltypesystem import lltype, rffi
+from rpython.translator.tool.cbuild import ExternalCompilationInfo
+
+from pypy.interpreter.error import OperationError, oefmt
+
+# ____________________________________________________________
+
+
+EMBED_VERSION_MIN    = 0xB011
+EMBED_VERSION_MAX    = 0xB0FF
+
+STDERR = 2
+INITSTRUCTPTR = lltype.Ptr(lltype.Struct('CFFI_INIT',
+                                         ('name', rffi.CCHARP),
+                                         ('func', rffi.VOIDP),
+                                         ('code', rffi.CCHARP)))
+
+def load_embedded_cffi_module(space, version, init_struct):
+    from pypy.module._cffi_backend.cffi1_module import load_cffi1_module
+    declare_c_function()     # translation-time hint only:
+                             # declare _cffi_carefully_make_gil()
+    #
+    version = rffi.cast(lltype.Signed, version)
+    if not (EMBED_VERSION_MIN <= version <= EMBED_VERSION_MAX):
+        raise oefmt(space.w_ImportError,
+            "cffi embedded module has got unknown version tag %s",
+            hex(version))
+    #
+    if space.config.objspace.usemodules.thread:
+        from pypy.module.thread import os_thread
+        os_thread.setup_threads(space)
+    #
+    name = rffi.charp2str(init_struct.name)
+    load_cffi1_module(space, name, None, init_struct.func)
+    code = rffi.charp2str(init_struct.code)
+    compiler = space.createcompiler()
+    pycode = compiler.compile(code, "<init code for '%s'>" % name, 'exec', 0)
+    w_globals = space.newdict(module=True)
+    space.setitem_str(w_globals, "__builtins__", space.wrap(space.builtin))
+    pycode.exec_code(space, w_globals, w_globals)
+
+
+class Global:
+    pass
+glob = Global()
+
+def pypy_init_embedded_cffi_module(version, init_struct):
+    # called from __init__.py
+    name = "?"
+    try:
+        init_struct = rffi.cast(INITSTRUCTPTR, init_struct)
+        name = rffi.charp2str(init_struct.name)
+        #
+        space = glob.space
+        must_leave = False
+        try:
+            must_leave = space.threadlocals.try_enter_thread(space)
+            load_embedded_cffi_module(space, version, init_struct)
+            res = 0
+        except OperationError, operr:
+            operr.write_unraisable(space, "initialization of '%s'" % name,
+                                   with_traceback=True)
+            space.appexec([], r"""():
+                import sys
+                sys.stderr.write('pypy version: %s.%s.%s\n' %
+                                 sys.pypy_version_info[:3])
+                sys.stderr.write('sys.path: %r\n' % (sys.path,))
+            """)
+            res = -1
+        if must_leave:
+            space.threadlocals.leave_thread(space)
+    except Exception, e:
+        # oups! last-level attempt to recover.
+        try:
+            os.write(STDERR, "From initialization of '")
+            os.write(STDERR, name)
+            os.write(STDERR, "':\n")
+            os.write(STDERR, str(e))
+            os.write(STDERR, "\n")
+        except:
+            pass
+        res = -1
+    return rffi.cast(rffi.INT, res)
+
+# ____________________________________________________________
+
+
+eci = ExternalCompilationInfo(separate_module_sources=[
+r"""
+/* XXX Windows missing */
+#include <stdio.h>
+#include <dlfcn.h>
+#include <pthread.h>
+
+RPY_EXPORTED void rpython_startup_code(void);
+RPY_EXPORTED int pypy_setup_home(char *, int);
+
+static unsigned char _cffi_ready = 0;
+static const char *volatile _cffi_module_name;
+
+static void _cffi_init_error(const char *msg, const char *extra)
+{
+    fprintf(stderr,
+            "\nPyPy initialization failure when loading module '%s':\n%s%s\n",
+            _cffi_module_name, msg, extra);
+}
+
+static void _cffi_init(void)
+{
+    Dl_info info;
+    char *home;
+
+    rpython_startup_code();
+    RPyGilAllocate();
+
+    if (dladdr(&_cffi_init, &info) == 0) {
+        _cffi_init_error("dladdr() failed: ", dlerror());
+        return;
+    }
+    home = realpath(info.dli_fname, NULL);
+    if (pypy_setup_home(home, 1) != 0) {
+        _cffi_init_error("pypy_setup_home() failed", "");
+        return;
+    }
+    _cffi_ready = 1;
+}
+
+RPY_EXPORTED
+int pypy_carefully_make_gil(const char *name)
+{
+    /* For CFFI: this initializes the GIL and loads the home path.
+       It can be called completely concurrently from unrelated threads.
+       It assumes that we don't hold the GIL before (if it exists), and we
+       don't hold it afterwards.
+    */
+    static pthread_once_t once_control = PTHREAD_ONCE_INIT;
+
+    _cffi_module_name = name;    /* not really thread-safe, but better than
+                                    nothing */
+    pthread_once(&once_control, _cffi_init);
+    return (int)_cffi_ready - 1;
+}
+"""])
+
+declare_c_function = rffi.llexternal_use_eci(eci)
diff --git a/pypy/module/_cffi_backend/test/_backend_test_c.py b/pypy/module/_cffi_backend/test/_backend_test_c.py
--- a/pypy/module/_cffi_backend/test/_backend_test_c.py
+++ b/pypy/module/_cffi_backend/test/_backend_test_c.py
@@ -1,7 +1,7 @@
 # ____________________________________________________________
 
 import sys
-assert __version__ == "1.4.0", ("This test_c.py file is for testing a version"
+assert __version__ == "1.5.0", ("This test_c.py file is for testing a version"
                                 " of cffi that differs from the one that we"
                                 " get from 'import _cffi_backend'")
 if sys.version_info < (3,):


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