Merge tag 'OTP-19.0' into sverker/19/binary_to_atom-utf8-crash/ERL-474/OTP-14590

1 files changed, 109 insertions, 16 deletions

diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab
index fbbfa3e49e..ffb5f58ebf 100755
--- a/erts/emulator/utils/make_driver_tab
+++ b/erts/emulator/utils/make_driver_tab
@@ -2,18 +2,19 @@
 #
 # %CopyrightBegin%
 # 
-# Copyright Ericsson AB 1999-2009. All Rights Reserved.
+# Copyright Ericsson AB 1999-2016. All Rights Reserved.
 # 
-# The contents of this file are subject to the Erlang Public License,
-# Version 1.1, (the "License"); you may not use this file except in
-# compliance with the License. You should have received a copy of the
-# Erlang Public License along with this software. If not, it can be
-# retrieved online at http://www.erlang.org/.
-# 
-# Software distributed under the License is distributed on an "AS IS"
-# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
-# the License for the specific language governing rights and limitations
-# under the License.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
 # 
 # %CopyrightEnd%
 #
@@ -27,7 +28,11 @@ use File::Basename;
 # usage: make_driver_tab [-o filename] drivers...
 
 my $file = "";
-my @drivers = ();
+my $nif = "";
+my @emu_drivers = ();
+my @static_drivers = ();
+my @static_nifs = ();
+my $mode = 1;
 
 while (@ARGV) {
     my $d = shift;
@@ -35,9 +40,33 @@ while (@ARGV) {
 	$file = shift or die("-o requires argument");
 	next;
     }
+    if ( $d =~ /^-nifs$/ ) {
+	$mode = 2;
+	next;
+    }
+    if ( $d =~ /^-drivers$/ ) {
+	$mode = 1;
+	next;
+    }
+    if ( $d =~ /^.*\.a$/ ) {
+	$d = basename $d;
+	$d =~ s/\.a$//;	# strip .a
+	if ($mode == 1) {
+	    push(@static_drivers, $d);
+	}
+	if ($mode == 2) {
+	    push(@static_nifs, $d);
+	}
+	next;
+    } elsif ($mode == 2) {
+        $d = basename $d;
+        $d =~ s/_nif(\..*|)$//; # strip nif.* or just nif
+        push(@static_nifs, $d);
+        next;
+    }
     $d = basename $d;
     $d =~ s/drv(\..*|)$//;	# strip drv.* or just drv
-    push(@drivers, $d);
+    push(@emu_drivers, $d);
 }
 
 # Did we want output to a file?
@@ -52,20 +81,84 @@ print <<EOF;
 #include <stdio.h>
 #include "global.h"
 
+
 EOF
 
 # "extern" declarations
-foreach (@drivers) {
+foreach (@emu_drivers) {
     print "extern ErlDrvEntry ${_}driver_entry;\n";
 }
 
+foreach (@static_drivers) {
+    print "ErlDrvEntry *${_}_driver_init(void);\n";
+}
+
 # The array itself
-print "\nErlDrvEntry *driver_tab[DRIVER_TAB_SIZE] =\n{\n";
+print "\nErlDrvEntry *driver_tab[] =\n{\n";
 
-foreach (@drivers) {
+foreach (@emu_drivers) {
     print "    &${_}driver_entry,\n";
 }
 
+foreach (@static_drivers) {
+    print "    NULL, /* ${_} */\n";
+}
 print "    NULL\n};\n";
 
+print "void erts_init_static_drivers() {\n";
+
+my $index = 0;
+foreach (@static_drivers) {
+    print "    driver_tab[".(scalar @emu_drivers+$index)."] = ${_}_driver_init();\n";
+    $index++;
+}
+
+print "}\n";
+
+print <<EOF;
+
+typedef struct ErtsStaticNifEntry_ {
+    const char *nif_name;
+    ErtsStaticNifInitFPtr nif_init;
+} ErtsStaticNifEntry;
+
+EOF
+
+# prototypes
+foreach (@static_nifs) {
+    my $d = ${_};
+    $d =~ s/\.debug//; # strip .debug
+    print "void *".$d."_nif_init(void);\n";
+}
+
+# The array itself
+print "static ErtsStaticNifEntry static_nif_tab[] =\n{\n";
+
+foreach (@static_nifs) {
+    my $d = ${_};
+    $d =~ s/\.debug//; # strip .debug
+    print "{\"${_}\",&".$d."_nif_init},\n";
+}
+
+print "    {NULL,NULL}\n};\n";
+
+print <<EOF;
+ErtsStaticNifInitFPtr erts_static_nif_get_nif_init(const char *name, int len) {
+    ErtsStaticNifEntry* p;
+    for (p = static_nif_tab; p->nif_name != NULL; p++)
+        if (strncmp(p->nif_name, name, len) == 0 && p->nif_name[len] == 0)
+            return p->nif_init;
+    return NULL;
+}
+
+int erts_is_static_nif(void *handle) {
+    ErtsStaticNifEntry* p;
+    for (p = static_nif_tab; p->nif_name != NULL; p++)
+        if (((void*)p->nif_init) == handle)
+            return 1;
+    return 0;
+}
+
+EOF
+
 # That's it