#! /usr/bin/perl -w
#
# Build the server/trace.c and server/request.h files
-# from the contents of include/server.h.
+# from the contents of server/protocol.def.
#
# Copyright (C) 1998 Alexandre Julliard
#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+#
+use strict;
-%formats =
-(
- "int" => "%d",
- "long" => "%ld",
- "char" => "%c",
- "unsigned int" => "%08x",
- "void*" => "%p",
- "time_t" => "%ld",
- "char[1]" => "\\\"%s\\\""
+my %formats =
+( # size align format
+ "int" => [ 4, 4, "%d" ],
+ "short int" => [ 2, 2, "%d" ],
+ "char" => [ 1, 1, "%c" ],
+ "unsigned char" => [ 1, 1, "%02x" ],
+ "unsigned short"=> [ 2, 2, "%04x" ],
+ "unsigned int" => [ 4, 4, "%08x" ],
+ "data_size_t" => [ 4, 4, "%u" ],
+ "obj_handle_t" => [ 4, 4, "%04x" ],
+ "atom_t" => [ 4, 4, "%04x" ],
+ "user_handle_t" => [ 4, 4, "%08x" ],
+ "process_id_t" => [ 4, 4, "%04x" ],
+ "thread_id_t" => [ 4, 4, "%04x" ],
+ "client_ptr_t" => [ 8, 8, "&dump_uint64" ],
+ "mod_handle_t" => [ 8, 8, "&dump_uint64" ],
+ "lparam_t" => [ 8, 8, "&dump_uint64" ],
+ "apc_param_t" => [ 8, 8, "&dump_uint64" ],
+ "file_pos_t" => [ 8, 8, "&dump_uint64" ],
+ "mem_size_t" => [ 8, 8, "&dump_uint64" ],
+ "affinity_t" => [ 8, 8, "&dump_uint64" ],
+ "timeout_t" => [ 8, 8, "&dump_timeout" ],
+ "rectangle_t" => [ 16, 4, "&dump_rectangle" ],
+ "char_info_t" => [ 4, 2, "&dump_char_info" ],
+ "apc_call_t" => [ 40, 8, "&dump_apc_call" ],
+ "apc_result_t" => [ 40, 8, "&dump_apc_result" ],
+ "async_data_t" => [ 40, 8, "&dump_async_data" ],
+ "luid_t" => [ 8, 4, "&dump_luid" ],
+ "ioctl_code_t" => [ 4, 4, "&dump_ioctl_code" ],
+ "cpu_type_t" => [ 4, 4, "&dump_cpu_type" ],
);
my @requests = ();
my %replies = ();
+my @asserts = ();
-open(SERVER,"include/server.h") or die "Can't open include/server.h";
+my @trace_lines = ();
-### Parse server.h to find request/reply structure definitions
+my $max_req_size = 64;
-my @trace_lines = ();
+my $warnings = scalar(@ARGV) && $ARGV[0] eq "-w";
-while (<SERVER>)
+### Generate a dumping function
+
+sub DO_DUMP_FUNC($$@)
{
- if (/^struct +(\w+)_request/) { &DO_REQUEST($1); }
+ my $name = shift;
+ my $req = shift;
+ my $prefix = " ";
+ push @trace_lines, "static void dump_${name}_$req( const struct ${name}_$req *req )\n{\n";
+ while ($#_ >= 0)
+ {
+ my $type = shift;
+ my $var = shift;
+ next if $var =~ /^__pad/;
+ if (defined($formats{$type}))
+ {
+ my $fmt = ${$formats{$type}}[2];
+ if ($fmt =~ /^&(.*)/)
+ {
+ my $func = $1;
+ push @trace_lines, " $func( \"$prefix$var=\", &req->$var );\n";
+ }
+ elsif ($fmt =~ /^(%.*)\s+\((.*)\)/)
+ {
+ my ($format, $cast) = ($1, $2);
+ push @trace_lines, " fprintf( stderr, \"$prefix$var=$format\", ($cast)req->$var );\n";
+ }
+ else
+ {
+ push @trace_lines, " fprintf( stderr, \"$prefix$var=$fmt\", req->$var );\n";
+ }
+ }
+ else # must be some varargs format
+ {
+ push @trace_lines, " " . sprintf($type, "$prefix$var=") . ";\n";
+ }
+ $prefix = ", ";
+ }
+ push @trace_lines, "}\n\n";
}
-### Output the dumping function tables
+### Parse the request definitions
-push @trace_lines, "static const dump_func req_dumpers[REQ_NB_REQUESTS] = {\n";
-foreach $req (@requests)
+sub PARSE_REQUESTS()
{
- push @trace_lines, " (dump_func)dump_${req}_request,\n";
-}
-push @trace_lines, "};\n\n";
+ # states: 0 = header 1 = declarations 2 = inside @REQ 3 = inside @REPLY
+ my $state = 0;
+ my $offset = 0;
+ my $name = "";
+ my @in_struct = ();
+ my @out_struct = ();
-push @trace_lines, "static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {\n";
-foreach $req (@requests)
-{
- push @trace_lines, " (dump_func)", $replies{$req} ? "dump_${req}_reply,\n" : "0,\n";
-}
-push @trace_lines, "};\n\n";
+ open(PROTOCOL,"server/protocol.def") or die "Can't open server/protocol.def";
-push @trace_lines, "static const char * const req_names[REQ_NB_REQUESTS] = {\n";
-foreach $req (@requests)
-{
- push @trace_lines, " \"$req\",\n";
-}
-push @trace_lines, "};\n";
+ while (<PROTOCOL>)
+ {
+ my ($type, $var);
+ # strip comments
+ s!/\*.*\*/!!g;
+ # strip white space at end of line
+ s/\s+$//;
-REPLACE_IN_FILE( "server/trace.c", @trace_lines );
+ if (/^\@HEADER/)
+ {
+ die "Misplaced \@HEADER" unless $state == 0;
+ $state++;
+ next;
+ }
-### Replace the request list in server.h by the new values
+ # ignore everything while in state 0
+ next if $state == 0;
-my @server_lines = ();
+ if (/^\@REQ\(\s*(\w+)\s*\)/)
+ {
+ $name = $1;
+ die "Misplaced \@REQ" unless $state == 1;
+ # start a new request
+ @in_struct = ();
+ @out_struct = ();
+ $offset = 12;
+ print SERVER_PROT "struct ${name}_request\n{\n";
+ print SERVER_PROT " struct request_header __header;\n";
+ $state++;
+ next;
+ }
-push @server_lines, "enum request\n{\n";
-foreach $req (@requests) { push @server_lines, " REQ_\U$req,\n"; }
-push @server_lines, " REQ_NB_REQUESTS\n};\n";
+ if (/^\@REPLY/)
+ {
+ die "Misplaced \@REPLY" unless $state == 2;
+ print SERVER_PROT "};\n";
+ print SERVER_PROT "struct ${name}_reply\n{\n";
+ print SERVER_PROT " struct reply_header __header;\n";
+ die "request $name too large ($offset)" if ($offset > $max_req_size);
+ $offset = 8;
+ $state++;
+ next;
+ }
-REPLACE_IN_FILE( "include/server.h", @server_lines );
+ if (/^\@END/)
+ {
+ die "Misplaced \@END" unless ($state == 2 || $state == 3);
-### Output the request handlers list
+ if ($offset & 7) # all requests should be 8-byte aligned
+ {
+ my $count = 8 - ($offset & 7);
+ print SERVER_PROT " char __pad_$offset\[$count\];\n";
+ $offset += $count;
+ }
+ print SERVER_PROT "};\n";
+ if ($state == 2) # build dummy reply struct
+ {
+ die "request $name too large ($offset)" if ($offset > $max_req_size);
+ push @asserts, "C_ASSERT( sizeof(struct ${name}_request) == $offset );\n";
+ print SERVER_PROT "struct ${name}_reply\n{\n";
+ print SERVER_PROT " struct reply_header __header;\n";
+ print SERVER_PROT "};\n";
+ }
+ else
+ {
+ die "reply $name too large ($offset)" if ($offset > $max_req_size);
+ push @asserts, "C_ASSERT( sizeof(struct ${name}_reply) == $offset );\n";
+ }
+ # got a complete request
+ push @requests, $name;
+ DO_DUMP_FUNC( $name, "request", @in_struct);
+ if ($#out_struct >= 0)
+ {
+ $replies{$name} = 1;
+ DO_DUMP_FUNC( $name, "reply", @out_struct);
+ }
+ $state = 1;
+ next;
+ }
-my @request_lines = ();
+ if ($state != 1)
+ {
+ # skip empty lines (but keep them in output file)
+ if (/^$/)
+ {
+ print SERVER_PROT "\n";
+ next;
+ }
-foreach $req (@requests) { push @request_lines, "DECL_HANDLER($req);\n"; }
-push @request_lines, "\n#ifdef WANT_REQUEST_HANDLERS\n\n";
-push @request_lines, "static const struct handler {\n";
-push @request_lines, " void (*handler)( void *req, int fd );\n";
-push @request_lines, " unsigned int min_size;\n";
-push @request_lines, "} req_handlers[REQ_NB_REQUESTS] = {\n";
-foreach $req (@requests)
-{
- push @request_lines, " { (void(*)())req_$req, sizeof(struct ${req}_request) },\n";
-}
-push @request_lines, "};\n#endif /* WANT_REQUEST_HANDLERS */\n";
+ if (/^\s*VARARG\((\w+),(\w+),(\w+)\)/)
+ {
+ $var = $1;
+ $type = "dump_varargs_" . $2 . "( \"%s\", min(cur_size,req->" . $3 . ") )";
+ s!(VARARG\(.*\)\s*;)!/* $1 */!;
+ }
+ elsif (/^\s*VARARG\((\w+),(\w+)\)/)
+ {
+ $var = $1;
+ $type = "dump_varargs_" . $2 . "( \"%s\", cur_size )";
+ s!(VARARG\(.*\)\s*;)!/* $1 */!;
+ }
+ elsif (/^\s*(\w+\**(\s+\w+\**)*)\s+(\w+);/)
+ {
+ $type = $1;
+ $var = $3;
+ die "Unrecognized type $type" unless defined($formats{$type});
+ my @fmt = @{$formats{$type}};
+ if ($offset & ($fmt[1] - 1))
+ {
+ my $count = $fmt[1] - ($offset & ($fmt[1] - 1));
+ print "protocol.def:$.: warning: $name $offset $type $var needs padding\n" if $warnings;
+ print SERVER_PROT " char __pad_$offset\[$count\];\n";
+ $offset += $count;
+ }
+ if ($state == 2)
+ {
+ push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_request, $var) == $offset );\n";
+ }
+ else
+ {
+ push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_reply, $var) == $offset );\n";
+ }
+ $offset += $fmt[0];
+ }
+ else
+ {
+ die "Unrecognized syntax $_";
+ }
+ if ($state == 2) { push @in_struct, $type, $var; }
+ if ($state == 3) { push @out_struct, $type, $var; }
+ }
-REPLACE_IN_FILE( "server/request.h", @request_lines );
+ # Pass it through into the output file
+ print SERVER_PROT $_ . "\n";
+ }
+ close PROTOCOL;
+}
-### Handle a request structure definition
+### Retrieve the server protocol version from the existing server_protocol.h file
-sub DO_REQUEST
+sub GET_PROTOCOL_VERSION()
{
- my $name = shift;
- my @in_struct = ();
- my @out_struct = ();
- while (<SERVER>)
+ my $protocol = 0;
+ open SERVER_PROT, "include/wine/server_protocol.h" or return 0;
+ while (<SERVER_PROT>)
{
- my ($dir, $type, $var);
- last if /^};$/;
- next if /^{$/;
- s!/\*.*\*/!!g;
- next if /^\s*$/;
- /^\s*(IN|OUT)\s*(\w+\**(\s+\w+\**)*)\s+(\w+)(\[[1]\])?;/ or die "Unrecognized syntax $_";
- $dir = $1;
- $type = $2 . ($5 || "");
- $var = $4;
- die "Unrecognized type $type" unless (defined($formats{$type}) || $5);
- if ($dir =~ /IN/) { push @in_struct, $type, $var; }
- if ($dir =~ /OUT/) { push @out_struct, $type, $var; }
- }
- push @requests, $name;
- &DO_DUMP_FUNC( $name, "request", @in_struct);
- if ($#out_struct >= 0)
- {
- $replies{$name} = 1;
- &DO_DUMP_FUNC( $name, "reply", @out_struct);
+ if (/^\#define SERVER_PROTOCOL_VERSION (\d+)/) { $protocol = $1; last; }
}
+ close SERVER_PROT;
+ return $protocol;
}
-### Generate a dumping function
+### Retrieve the list of status and errors used in the server
-sub DO_DUMP_FUNC
+sub GET_ERROR_NAMES()
{
- my $name = shift;
- my $req = shift;
- push @trace_lines, "static void dump_${name}_$req( struct ${name}_request *req )\n{\n";
- while ($#_ >= 0)
+ my %errors = ();
+ foreach my $f (glob "server/*.c")
{
- my $type = shift;
- my $var = shift;
- if (defined($formats{$type}))
- {
- push @trace_lines, " fprintf( stderr, \" $var=$formats{$type}";
- push @trace_lines, "," if ($#_ > 0);
- push @trace_lines, "\", ";
- push @trace_lines, "req->$var );\n";
- }
- else # must be some varargs format
- {
- push @trace_lines, " fprintf( stderr, \" $var=\" );\n";
- push @trace_lines, " dump_varargs_${name}( req );\n";
+ next if $f eq "server/trace.c";
+ open FILE, $f or die "Can't open $f";
+ while (<FILE>)
+ {
+ if (/STATUS_(\w+)/)
+ {
+ $errors{$1} = "STATUS_$1" unless $1 eq "SUCCESS";
+ }
+ elsif (/set_win32_error\s*\(\s*(\w+)\s*\)/)
+ {
+ $errors{$1} = "0xc0010000 | $1";
+ }
}
+ close FILE;
}
- push @trace_lines, "}\n\n";
+ return %errors;
}
-### Replace the contents of a file between ### make_requests ### marks
+# update a file if changed
+sub update_file($)
+{
+ my $file = shift;
+ my $ret = !(-f $file) || system "cmp $file $file.new >/dev/null";
+ if (!$ret)
+ {
+ unlink "$file.new";
+ }
+ else
+ {
+ rename "$file.new", "$file";
+ print "$file updated\n";
+ }
+ return $ret;
+}
-sub REPLACE_IN_FILE
+# replace some lines in a file between two markers
+sub replace_in_file($$$@)
{
- my $name = shift;
- my @data = @_;
- my @lines = ();
- open(FILE,$name) or die "Can't open $name";
- while (<FILE>)
+ my $file = shift;
+ my $start = shift;
+ my $end = shift;
+
+ open NEW_FILE, ">$file.new" or die "cannot create $file.new";
+
+ if (defined($start))
{
- push @lines, $_;
- last if /\#\#\# make_requests begin \#\#\#/;
+ open OLD_FILE, "$file" or die "cannot open $file";
+ while (<OLD_FILE>)
+ {
+ print NEW_FILE $_;
+ last if /$start/;
+ }
}
- push @lines, "\n", @data;
- while (<FILE>)
+
+ print NEW_FILE "\n", @_, "\n";
+
+ if (defined($end))
{
- if (/\#\#\# make_requests end \#\#\#/) { push @lines, "\n", $_; last; }
+ my $skip=1;
+ while (<OLD_FILE>)
+ {
+ $skip = 0 if /$end/;
+ print NEW_FILE $_ unless $skip;
+ }
}
- push @lines, <FILE>;
- open(FILE,">$name") or die "Can't modify $name";
- print FILE @lines;
- close(FILE);
+
+ close OLD_FILE if defined($start);
+ close NEW_FILE;
+ return update_file($file);
+}
+
+### Main
+
+# Get the server protocol version
+my $protocol = GET_PROTOCOL_VERSION();
+
+my %errors = GET_ERROR_NAMES();
+
+### Create server_protocol.h and print header
+
+open SERVER_PROT, ">include/wine/server_protocol.h.new" or die "Cannot create include/wine/server_protocol.h.new";
+print SERVER_PROT "/*\n * Wine server protocol definitions\n *\n";
+print SERVER_PROT " * This file is automatically generated; DO NO EDIT!\n";
+print SERVER_PROT " * Edit server/protocol.def instead and re-run tools/make_requests\n";
+print SERVER_PROT " */\n\n";
+print SERVER_PROT "#ifndef __WINE_WINE_SERVER_PROTOCOL_H\n";
+print SERVER_PROT "#define __WINE_WINE_SERVER_PROTOCOL_H\n";
+
+### Parse requests to find request/reply structure definitions
+
+PARSE_REQUESTS();
+
+### Build the request list and structures
+
+print SERVER_PROT "\n\nenum request\n{\n";
+foreach my $req (@requests) { print SERVER_PROT " REQ_$req,\n"; }
+print SERVER_PROT " REQ_NB_REQUESTS\n};\n\n";
+
+print SERVER_PROT "union generic_request\n{\n";
+print SERVER_PROT " struct request_max_size max_size;\n";
+print SERVER_PROT " struct request_header request_header;\n";
+foreach my $req (@requests) { print SERVER_PROT " struct ${req}_request ${req}_request;\n"; }
+print SERVER_PROT "};\n";
+
+print SERVER_PROT "union generic_reply\n{\n";
+print SERVER_PROT " struct request_max_size max_size;\n";
+print SERVER_PROT " struct reply_header reply_header;\n";
+foreach my $req (@requests) { print SERVER_PROT " struct ${req}_reply ${req}_reply;\n"; }
+print SERVER_PROT "};\n\n";
+
+printf SERVER_PROT "#define SERVER_PROTOCOL_VERSION %d\n\n", $protocol + 1;
+print SERVER_PROT "#endif /* __WINE_WINE_SERVER_PROTOCOL_H */\n";
+close SERVER_PROT;
+update_file( "include/wine/server_protocol.h" );
+
+### Output the dumping function tables
+
+push @trace_lines, "static const dump_func req_dumpers[REQ_NB_REQUESTS] = {\n";
+foreach my $req (@requests)
+{
+ push @trace_lines, " (dump_func)dump_${req}_request,\n";
}
+push @trace_lines, "};\n\n";
+
+push @trace_lines, "static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {\n";
+foreach my $req (@requests)
+{
+ push @trace_lines, " ", $replies{$req} ? "(dump_func)dump_${req}_reply,\n" : "NULL,\n";
+}
+push @trace_lines, "};\n\n";
+
+push @trace_lines, "static const char * const req_names[REQ_NB_REQUESTS] = {\n";
+foreach my $req (@requests)
+{
+ push @trace_lines, " \"$req\",\n";
+}
+push @trace_lines, "};\n\n";
+
+push @trace_lines, "static const struct\n{\n";
+push @trace_lines, " const char *name;\n";
+push @trace_lines, " unsigned int value;\n";
+push @trace_lines, "} status_names[] =\n{\n";
+
+foreach my $err (sort keys %errors)
+{
+ push @trace_lines, sprintf(" { %-30s %s },\n", "\"$err\",", $errors{$err});
+}
+push @trace_lines, " { NULL, 0 }\n";
+push @trace_lines, "};\n";
+
+replace_in_file( "server/trace.c",
+ "### make_requests begin ###",
+ "### make_requests end ###",
+ @trace_lines );
+
+### Output the request handlers list
+
+my @request_lines = ();
+
+foreach my $req (@requests) { push @request_lines, "DECL_HANDLER($req);\n"; }
+push @request_lines, "\n#ifdef WANT_REQUEST_HANDLERS\n\n";
+push @request_lines, "typedef void (*req_handler)( const void *req, void *reply );\n";
+push @request_lines, "static const req_handler req_handlers[REQ_NB_REQUESTS] =\n{\n";
+foreach my $req (@requests)
+{
+ push @request_lines, " (req_handler)req_$req,\n";
+}
+push @request_lines, "};\n\n";
+
+foreach my $type (sort keys %formats)
+{
+ my $size = ${$formats{$type}}[0];
+ push @request_lines, "C_ASSERT( sizeof($type) == $size );\n";
+}
+push @request_lines, @asserts;
+push @request_lines, "\n#endif /* WANT_REQUEST_HANDLERS */\n";
+
+replace_in_file( "server/request.h",
+ "### make_requests begin ###",
+ "### make_requests end ###",
+ @request_lines );