3 # Build the server/trace.c and server/request.h files
4 # from the contents of server/protocol.def.
6 # Copyright (C) 1998 Alexandre Julliard
8 # This library is free software; you can redistribute it and/or
9 # modify it under the terms of the GNU Lesser General Public
10 # License as published by the Free Software Foundation; either
11 # version 2.1 of the License, or (at your option) any later version.
13 # This library is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 # Lesser General Public License for more details.
18 # You should have received a copy of the GNU Lesser General Public
19 # License along with this library; if not, write to the Free Software
20 # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
26 "int" => [ 4, 4, "%d" ],
27 "short int" => [ 2, 2, "%d" ],
28 "char" => [ 1, 1, "%c" ],
29 "unsigned char" => [ 1, 1, "%02x" ],
30 "unsigned short"=> [ 2, 2, "%04x" ],
31 "unsigned int" => [ 4, 4, "%08x" ],
32 "data_size_t" => [ 4, 4, "%u" ],
33 "obj_handle_t" => [ 4, 4, "%04x" ],
34 "atom_t" => [ 4, 4, "%04x" ],
35 "user_handle_t" => [ 4, 4, "%08x" ],
36 "process_id_t" => [ 4, 4, "%04x" ],
37 "thread_id_t" => [ 4, 4, "%04x" ],
38 "client_ptr_t" => [ 8, 8, "&dump_uint64" ],
39 "mod_handle_t" => [ 8, 8, "&dump_uint64" ],
40 "lparam_t" => [ 8, 8, "&dump_uint64" ],
41 "apc_param_t" => [ 8, 8, "&dump_uint64" ],
42 "file_pos_t" => [ 8, 8, "&dump_uint64" ],
43 "mem_size_t" => [ 8, 8, "&dump_uint64" ],
44 "affinity_t" => [ 8, 8, "&dump_uint64" ],
45 "timeout_t" => [ 8, 8, "&dump_timeout" ],
46 "rectangle_t" => [ 16, 4, "&dump_rectangle" ],
47 "char_info_t" => [ 4, 2, "&dump_char_info" ],
48 "apc_call_t" => [ 40, 8, "&dump_apc_call" ],
49 "apc_result_t" => [ 40, 8, "&dump_apc_result" ],
50 "async_data_t" => [ 40, 8, "&dump_async_data" ],
51 "luid_t" => [ 8, 4, "&dump_luid" ],
52 "ioctl_code_t" => [ 4, 4, "&dump_ioctl_code" ],
53 "cpu_type_t" => [ 4, 4, "&dump_cpu_type" ],
62 my $max_req_size = 64;
64 my $warnings = scalar(@ARGV) && $ARGV[0] eq "-w";
68 my ($offset, $padding) = @_;
69 if ($offset % $padding)
71 my $count = $padding - ($offset % $padding);
72 print SERVER_PROT " char __pad_$offset\[$count\];\n";
78 ### Generate a dumping function
85 push @trace_lines, "static void dump_${name}_$req( const struct ${name}_$req *req )\n{\n";
90 next if $var =~ /^__pad/;
91 if (defined($formats{$type}))
93 my $fmt = ${$formats{$type}}[2];
97 push @trace_lines, " $func( \"$prefix$var=\", &req->$var );\n";
99 elsif ($fmt =~ /^(%.*)\s+\((.*)\)/)
101 my ($format, $cast) = ($1, $2);
102 push @trace_lines, " fprintf( stderr, \"$prefix$var=$format\", ($cast)req->$var );\n";
106 push @trace_lines, " fprintf( stderr, \"$prefix$var=$fmt\", req->$var );\n";
109 else # must be some varargs format
111 push @trace_lines, " " . sprintf($type, "$prefix$var=") . ";\n";
115 push @trace_lines, "}\n\n";
118 ### Parse the request definitions
122 # states: 0 = header 1 = declarations 2 = inside @REQ 3 = inside @REPLY
129 open(PROTOCOL,"server/protocol.def") or die "Can't open server/protocol.def";
136 # strip white space at end of line
141 die "Misplaced \@HEADER" unless $state == 0;
146 # ignore everything while in state 0
149 if (/^\@REQ\(\s*(\w+)\s*\)/)
152 die "Misplaced \@REQ" unless $state == 1;
153 # start a new request
157 print SERVER_PROT "struct ${name}_request\n{\n";
158 print SERVER_PROT " struct request_header __header;\n";
165 die "Misplaced \@REPLY" unless $state == 2;
166 $offset = add_padding( $offset, 8 ); # all requests should be 8-byte aligned
167 die "request $name too large ($offset)" if ($offset > $max_req_size);
168 push @asserts, "C_ASSERT( sizeof(struct ${name}_request) == $offset );\n";
169 print SERVER_PROT "};\n";
170 print SERVER_PROT "struct ${name}_reply\n{\n";
171 print SERVER_PROT " struct reply_header __header;\n";
172 die "request $name too large ($offset)" if ($offset > $max_req_size);
180 die "Misplaced \@END" unless ($state == 2 || $state == 3);
182 $offset = add_padding( $offset, 8 ); # all requests should be 8-byte aligned
183 print SERVER_PROT "};\n";
184 if ($state == 2) # build dummy reply struct
186 die "request $name too large ($offset)" if ($offset > $max_req_size);
187 push @asserts, "C_ASSERT( sizeof(struct ${name}_request) == $offset );\n";
188 print SERVER_PROT "struct ${name}_reply\n{\n";
189 print SERVER_PROT " struct reply_header __header;\n";
190 print SERVER_PROT "};\n";
194 die "reply $name too large ($offset)" if ($offset > $max_req_size);
195 push @asserts, "C_ASSERT( sizeof(struct ${name}_reply) == $offset );\n";
197 # got a complete request
198 push @requests, $name;
199 DO_DUMP_FUNC( $name, "request", @in_struct);
200 if ($#out_struct >= 0)
203 DO_DUMP_FUNC( $name, "reply", @out_struct);
211 # skip empty lines (but keep them in output file)
214 print SERVER_PROT "\n";
218 if (/^\s*VARARG\((\w+),(\w+),(\w+)\)/)
221 $type = "dump_varargs_" . $2 . "( \"%s\", min(cur_size,req->" . $3 . ") )";
222 s!(VARARG\(.*\)\s*;)!/* $1 */!;
224 elsif (/^\s*VARARG\((\w+),(\w+)\)/)
227 $type = "dump_varargs_" . $2 . "( \"%s\", cur_size )";
228 s!(VARARG\(.*\)\s*;)!/* $1 */!;
230 elsif (/^\s*(\w+\**(\s+\w+\**)*)\s+(\w+);/)
234 die "Unrecognized type $type" unless defined($formats{$type});
235 my @fmt = @{$formats{$type}};
236 if ($offset & ($fmt[1] - 1))
238 my $count = $fmt[1] - ($offset & ($fmt[1] - 1));
239 print "protocol.def:$.: warning: $name $offset $type $var needs padding\n" if $warnings;
240 print SERVER_PROT " char __pad_$offset\[$count\];\n";
245 push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_request, $var) == $offset );\n";
249 push @asserts, "C_ASSERT( FIELD_OFFSET(struct ${name}_reply, $var) == $offset );\n";
255 die "Unrecognized syntax $_";
257 if ($state == 2) { push @in_struct, $type, $var; }
258 if ($state == 3) { push @out_struct, $type, $var; }
261 # Pass it through into the output file
262 print SERVER_PROT $_ . "\n";
267 ### Retrieve the server protocol version from the existing server_protocol.h file
269 sub GET_PROTOCOL_VERSION()
272 open SERVER_PROT, "include/wine/server_protocol.h" or return 0;
273 while (<SERVER_PROT>)
275 if (/^\#define SERVER_PROTOCOL_VERSION (\d+)/) { $protocol = $1; last; }
281 ### Retrieve the list of status and errors used in the server
283 sub GET_ERROR_NAMES()
286 foreach my $f (glob "server/*.c")
288 next if $f eq "server/trace.c";
289 open FILE, $f or die "Can't open $f";
294 $errors{$1} = "STATUS_$1" unless $1 eq "SUCCESS";
296 elsif (/set_win32_error\s*\(\s*(\w+)\s*\)/)
298 $errors{$1} = "0xc0010000 | $1";
306 # update a file if changed
310 my $ret = !(-f $file) || system "cmp $file $file.new >/dev/null";
317 rename "$file.new", "$file";
318 print "$file updated\n";
323 # replace some lines in a file between two markers
324 sub replace_in_file($$$@)
330 open NEW_FILE, ">$file.new" or die "cannot create $file.new";
334 open OLD_FILE, "$file" or die "cannot open $file";
342 print NEW_FILE "\n", @_, "\n";
350 print NEW_FILE $_ unless $skip;
354 close OLD_FILE if defined($start);
356 return update_file($file);
361 # Get the server protocol version
362 my $protocol = GET_PROTOCOL_VERSION();
364 my %errors = GET_ERROR_NAMES();
366 ### Create server_protocol.h and print header
368 open SERVER_PROT, ">include/wine/server_protocol.h.new" or die "Cannot create include/wine/server_protocol.h.new";
369 print SERVER_PROT "/*\n * Wine server protocol definitions\n *\n";
370 print SERVER_PROT " * This file is automatically generated; DO NO EDIT!\n";
371 print SERVER_PROT " * Edit server/protocol.def instead and re-run tools/make_requests\n";
372 print SERVER_PROT " */\n\n";
373 print SERVER_PROT "#ifndef __WINE_WINE_SERVER_PROTOCOL_H\n";
374 print SERVER_PROT "#define __WINE_WINE_SERVER_PROTOCOL_H\n";
376 ### Parse requests to find request/reply structure definitions
380 ### Build the request list and structures
382 print SERVER_PROT "\n\nenum request\n{\n";
383 foreach my $req (@requests) { print SERVER_PROT " REQ_$req,\n"; }
384 print SERVER_PROT " REQ_NB_REQUESTS\n};\n\n";
386 print SERVER_PROT "union generic_request\n{\n";
387 print SERVER_PROT " struct request_max_size max_size;\n";
388 print SERVER_PROT " struct request_header request_header;\n";
389 foreach my $req (@requests) { print SERVER_PROT " struct ${req}_request ${req}_request;\n"; }
390 print SERVER_PROT "};\n";
392 print SERVER_PROT "union generic_reply\n{\n";
393 print SERVER_PROT " struct request_max_size max_size;\n";
394 print SERVER_PROT " struct reply_header reply_header;\n";
395 foreach my $req (@requests) { print SERVER_PROT " struct ${req}_reply ${req}_reply;\n"; }
396 print SERVER_PROT "};\n\n";
398 printf SERVER_PROT "#define SERVER_PROTOCOL_VERSION %d\n\n", $protocol + 1;
399 print SERVER_PROT "#endif /* __WINE_WINE_SERVER_PROTOCOL_H */\n";
401 update_file( "include/wine/server_protocol.h" );
403 ### Output the dumping function tables
405 push @trace_lines, "static const dump_func req_dumpers[REQ_NB_REQUESTS] = {\n";
406 foreach my $req (@requests)
408 push @trace_lines, " (dump_func)dump_${req}_request,\n";
410 push @trace_lines, "};\n\n";
412 push @trace_lines, "static const dump_func reply_dumpers[REQ_NB_REQUESTS] = {\n";
413 foreach my $req (@requests)
415 push @trace_lines, " ", $replies{$req} ? "(dump_func)dump_${req}_reply,\n" : "NULL,\n";
417 push @trace_lines, "};\n\n";
419 push @trace_lines, "static const char * const req_names[REQ_NB_REQUESTS] = {\n";
420 foreach my $req (@requests)
422 push @trace_lines, " \"$req\",\n";
424 push @trace_lines, "};\n\n";
426 push @trace_lines, "static const struct\n{\n";
427 push @trace_lines, " const char *name;\n";
428 push @trace_lines, " unsigned int value;\n";
429 push @trace_lines, "} status_names[] =\n{\n";
431 foreach my $err (sort keys %errors)
433 push @trace_lines, sprintf(" { %-30s %s },\n", "\"$err\",", $errors{$err});
435 push @trace_lines, " { NULL, 0 }\n";
436 push @trace_lines, "};\n";
438 replace_in_file( "server/trace.c",
439 "### make_requests begin ###",
440 "### make_requests end ###",
443 ### Output the request handlers list
445 my @request_lines = ();
447 foreach my $req (@requests) { push @request_lines, "DECL_HANDLER($req);\n"; }
448 push @request_lines, "\n#ifdef WANT_REQUEST_HANDLERS\n\n";
449 push @request_lines, "typedef void (*req_handler)( const void *req, void *reply );\n";
450 push @request_lines, "static const req_handler req_handlers[REQ_NB_REQUESTS] =\n{\n";
451 foreach my $req (@requests)
453 push @request_lines, " (req_handler)req_$req,\n";
455 push @request_lines, "};\n\n";
457 foreach my $type (sort keys %formats)
459 my $size = ${$formats{$type}}[0];
460 push @request_lines, "C_ASSERT( sizeof($type) == $size );\n";
462 push @request_lines, @asserts;
463 push @request_lines, "\n#endif /* WANT_REQUEST_HANDLERS */\n";
465 replace_in_file( "server/request.h",
466 "### make_requests begin ###",
467 "### make_requests end ###",