1 files changed, 91 insertions, 4 deletions

diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab
index fbbfa3e49e..3eedef21a7 100755
--- a/erts/emulator/utils/make_driver_tab
+++ b/erts/emulator/utils/make_driver_tab
@@ -27,7 +27,11 @@ use File::Basename;
 # usage: make_driver_tab [-o filename] drivers...
 
 my $file = "";
-my @drivers = ();
+my $nif = "";
+my @emu_drivers = ();
+my @static_drivers = ();
+my @nifs = ();
+my $mode = 1;
 
 while (@ARGV) {
     my $d = shift;
@@ -35,9 +39,28 @@ 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(@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 +75,84 @@ 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";
 
-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 (@nifs) {
+    my $d = ${_};
+    $d =~ s/\.debug//; # strip .debug
+    print "void *".$d."_nif_init(void);\n";
+}
+
+# The array itself
+print "static ErtsStaticNifEntry static_nif_tab[DRIVER_TAB_SIZE] =\n{\n";
+
+foreach (@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 i;
+    for (i = 0; static_nif_tab[i].nif_name != NULL; i++)
+      if (strcmp(name,static_nif_tab[i].nif_name) == 0)
+        return static_nif_tab[i].nif_init;
+    return NULL;
+}
+
+int erts_is_static_nif(void *handle) {
+    int i;
+    for (i = 0; static_nif_tab[i].nif_name != NULL; i++)
+	if (((void*)static_nif_tab[i].nif_init) == handle)
+	return 1;
+    return 0;
+}
+
+EOF
+
 # That's it