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tools: Keep track of requests sizes and alignments in make_requests.

This commit is contained in:
Alexandre Julliard 2008-12-10 17:15:51 +01:00
parent 37f3691f7f
commit f4ec583d0a
1 changed files with 47 additions and 29 deletions
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76
tools/make_requests
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@ -22,31 +22,31 @@
use strict;
my %formats =
(
"int" => "%d",
"short int" => "%d",
"char" => "%c",
"unsigned char" => "%02x",
"unsigned short"=> "%04x",
"unsigned int" => "%08x",
"unsigned long" => "%lx",
"void*" => "%p",
"data_size_t" => "%u",
"obj_handle_t" => "%04x",
"atom_t" => "%04x",
"user_handle_t" => "%08x",
"process_id_t" => "%04x",
"thread_id_t" => "%04x",
"lparam_t" => "%lx",
"timeout_t" => "&dump_timeout",
"rectangle_t" => "&dump_rectangle",
"char_info_t" => "&dump_char_info",
"apc_call_t" => "&dump_apc_call",
"apc_result_t" => "&dump_apc_result",
"async_data_t" => "&dump_async_data",
"luid_t" => "&dump_luid",
"ioctl_code_t" => "&dump_ioctl_code",
"file_pos_t" => "&dump_file_pos",
( # 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" ],
"unsigned long" => [ 4, 4, "%lx" ],
"void*" => [ 4, 4, "%p" ],
"data_size_t" => [ 4, 4, "%u" ],
"obj_handle_t" => [ 4, 4, "%04x" ],
"atom_t" => [ 2, 2, "%04x" ],
"user_handle_t" => [ 4, 4, "%08x" ],
"process_id_t" => [ 4, 4, "%04x" ],
"thread_id_t" => [ 4, 4, "%04x" ],
"lparam_t" => [ 4, 4, "%lx" ],
"timeout_t" => [ 8, 8, "&dump_timeout" ],
"rectangle_t" => [ 16, 4, "&dump_rectangle" ],
"char_info_t" => [ 4, 2, "&dump_char_info" ],
"apc_call_t" => [ 32, 4, "&dump_apc_call" ],
"apc_result_t" => [ 28, 4, "&dump_apc_result" ],
"async_data_t" => [ 28, 4, "&dump_async_data" ],
"luid_t" => [ 8, 4, "&dump_luid" ],
"ioctl_code_t" => [ 4, 4, "&dump_ioctl_code" ],
"file_pos_t" => [ 8, 8, "&dump_file_pos" ],
);
my @requests = ();
@ -54,7 +54,9 @@ my %replies = ();
my @trace_lines = ();
my $max_req_size = 64;
my $warnings = scalar(@ARGV) && $ARGV[0] eq "-w";
### Generate a dumping function
@ -69,14 +71,15 @@ sub DO_DUMP_FUNC($$@)
my $var = shift;
if (defined($formats{$type}))
{
if ($formats{$type} =~ /^&(.*)/)
my $fmt = ${$formats{$type}}[2];
if ($fmt =~ /^&(.*)/)
{
my $func = $1;
push @trace_lines, " fprintf( stderr, \" $var=\" );\n";
push @trace_lines, " $func( &req->$var );\n";
push @trace_lines, " fprintf( stderr, \",\" );\n" if ($#_ > 0);
}
elsif ($formats{$type} =~ /^(%.*)\s+\((.*)\)/)
elsif ($fmt =~ /^(%.*)\s+\((.*)\)/)
{
my ($format, $cast) = ($1, $2);
push @trace_lines, " fprintf( stderr, \" $var=$format";
@ -85,7 +88,7 @@ sub DO_DUMP_FUNC($$@)
}
else
{
push @trace_lines, " fprintf( stderr, \" $var=$formats{$type}";
push @trace_lines, " fprintf( stderr, \" $var=$fmt";
push @trace_lines, "," if ($#_ > 0);
push @trace_lines, "\", req->$var );\n";
}
@ -107,6 +110,7 @@ sub PARSE_REQUESTS()
{
# 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 = ();
@ -138,6 +142,7 @@ sub PARSE_REQUESTS()
# 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++;
@ -150,6 +155,8 @@ sub PARSE_REQUESTS()
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;
$state++;
next;
}
@ -161,11 +168,15 @@ sub PARSE_REQUESTS()
if ($state == 2) # build dummy reply struct
{
die "request $name too large ($offset)" if ($offset > $max_req_size);
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);
}
# got a complete request
push @requests, $name;
DO_DUMP_FUNC( $name, "request", @in_struct);
@ -204,6 +215,13 @@ sub PARSE_REQUESTS()
$type = $1;
$var = $3;
die "Unrecognized type $type" unless defined($formats{$type});
my @fmt = @{$formats{$type}};
if ($offset & ($fmt[1] - 1))
{
print "protocol.def:$.: warning: $name $offset $type $var needs padding\n" if $warnings;
}
$offset = ($offset + $fmt[1] - 1) & ~($fmt[1] - 1);
$offset += $fmt[0];
}
else
{