diff options
Diffstat (limited to 'erts/emulator/utils/make_driver_tab')
| -rwxr-xr-x | erts/emulator/utils/make_driver_tab | 120 |
1 files changed, 104 insertions, 16 deletions
diff --git a/erts/emulator/utils/make_driver_tab b/erts/emulator/utils/make_driver_tab index fbbfa3e49e..3203c7110a 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 1999-2013. 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 @nifs = (); +my $mode = 1; while (@ARGV) { my $d = shift; @@ -35,9 +40,28 @@ 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 +76,84 @@ 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 (@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 (@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 |