linux/scripts/export_report.pl

2 # SPDX-License-Identifier: GPL-2.0-only
7 # Usage: export_report.pl -k Module.symvers [-o report_file ] -f *.mod.c
14 sub numerically {
20 sub alphabetically {
26 sub print_depends_on {
30 		my $list = $href->{$mod};
34 			printf("\t\t%-25s\n", $symbol);
42 sub usage {
43         print "Usage: @_ -h -k Module.symvers  [ -o outputfile ] \n",
44 	      "\t-f: treat all the non-option argument as .mod.c files. ",
46 	      "\t-h: print detailed help\n",
47 	      "\t-k: the path to Module.symvers file. By default uses ",
49 	      "\t-o outputfile: output the report to outputfile\n";
53 sub collectcfiles {
55     open my $fh, '< modules.order' or die "cannot open modules.order: $!\n";
127 			if ( $_ !~ /0x[0-9a-f]+,/ ) {
143 print "\tThis file reports the exported symbols usage patterns by in-tree\n",
148 printf("SECTION 2: List of modules and the exported symbols they use\n");
151 printf("%-25s\t%-25s\t%-5s\t%-25s\n", "Symbol", "Module", "Usage count",
159 	printf("%-25s\t%-25s\t%-10s\t", $symbol, $module, $value);
161 		printf("%-25s\n",$gpl);
168 printf("SECTION 2:\n\tThis section reports export-symbol-usage of in-kernel
169 modules. Each module lists the modules, and the symbols from that module that
170 it uses.  Each listed symbol reports the number of modules using it\n");