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authorLukas Larsson <lukas@erlang-solutions.com>2013-08-15 17:04:52 +0200
committerLukas Larsson <lukas@erlang-solutions.com>2013-08-21 15:20:04 +0200
commit94d174949635cd4e641daaac0a7df98ea35f2c55 (patch)
tree1c7f6848a3ac2b2d5559c97fe1b8ac2225f1b4a0 /erts/emulator/utils
parent20e0509d4e04fada3019639bc82d78b89f06b0fc (diff)
downloadotp-94d174949635cd4e641daaac0a7df98ea35f2c55.tar.gz
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erts: Add support for static linked-in drivers
None of the OTP linked-in driver are supported
Diffstat (limited to 'erts/emulator/utils')
-rwxr-xr-xerts/emulator/utils/make_driver_tab42
1 files changed, 37 insertions, 5 deletions
diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab
index 06928a3a4a..3eedef21a7 100755
--- a/erts/emulator/utils/make_driver_tab
+++ b/erts/emulator/utils/make_driver_tab
@@ -28,8 +28,10 @@ use File::Basename;
my $file = "";
my $nif = "";
-my @drivers = ();
+my @emu_drivers = ();
+my @static_drivers = ();
my @nifs = ();
+my $mode = 1;
while (@ARGV) {
my $d = shift;
@@ -37,15 +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
- push(@nifs, $d);
+ if ($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?
@@ -64,19 +79,36 @@ print <<EOF;
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_ {