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96 lines
3.3 KiB
Perl
96 lines
3.3 KiB
Perl
#!/usr/bin/perl
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# Shared code for glibc conformance tests.
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# Copyright (C) 2014-2018 Free Software Foundation, Inc.
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# This file is part of the GNU C Library.
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# The GNU C Library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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# The GNU C Library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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# You should have received a copy of the GNU Lesser General Public
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# License along with the GNU C Library; if not, see
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# <http://www.gnu.org/licenses/>.
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package GlibcConform;
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require Exporter;
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@ISA = qw(Exporter);
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@EXPORT = qw(%CFLAGS list_exported_functions);
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# Compiler options for each standard.
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$CFLAGS{"ISO"} = "-ansi";
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$CFLAGS{"ISO99"} = "-std=c99";
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$CFLAGS{"ISO11"} = "-std=c11";
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$CFLAGS{"POSIX"} = "-D_POSIX_C_SOURCE=199506L -ansi";
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$CFLAGS{"XPG4"} = "-ansi -D_XOPEN_SOURCE";
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$CFLAGS{"XPG42"} = "-ansi -D_XOPEN_SOURCE -D_XOPEN_SOURCE_EXTENDED";
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$CFLAGS{"UNIX98"} = "-ansi -D_XOPEN_SOURCE=500";
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$CFLAGS{"XOPEN2K"} = "-std=c99 -D_XOPEN_SOURCE=600";
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$CFLAGS{"XOPEN2K8"} = "-std=c99 -D_XOPEN_SOURCE=700";
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$CFLAGS{"POSIX2008"} = "-std=c99 -D_POSIX_C_SOURCE=200809L";
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# Return a list of functions exported by a header, empty if an include
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# of the header does not compile.
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sub list_exported_functions {
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my ($cc, $standard, $header, $tmpdir, $withclang) = @_;
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my ($cc_all) = "$cc -D_ISOMAC $CFLAGS{$standard}";
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my ($tmpfile) = "$tmpdir/list-$$.c";
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my ($auxfile) = "$tmpdir/list-$$.c.aux";
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my ($astfile) = "$tmpdir/list-$$.c.ast";
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my ($ret);
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my (%res) = ();
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open (TMPFILE, ">$tmpfile") || die ("open $tmpfile: $!\n");
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print TMPFILE "#include <$header>\n";
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close (TMPFILE) || die ("close $tmpfile: $!\n");
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if ($withclang ne "yes") {
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$ret = system "$cc_all -c $tmpfile -o /dev/null -aux-info $auxfile > /dev/null";
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} else {
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$ret = system "$cc_all -c $tmpfile -o /dev/null -Xclang -ast-dump |grep FunctionDecl > $astfile";
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}
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unlink ($tmpfile) || die ("unlink $tmpfile: $!\n");
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if ($ret != 0) {
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return;
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}
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if ($withclang ne "yes") {
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open (AUXFILE, "<$auxfile") || die ("open $auxfile: $!\n");
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while (<AUXFILE>) {
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s|/\*.*?\*/||g;
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if (/^\s*$/) {
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next;
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}
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# The word before a '(' that isn't '(*' is the function name
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# before the argument list (not fully general, but sufficient for
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# -aux-info output on standard headers).
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if (/(\w+)\s*\([^*]/) {
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$res{$1} = 1;
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} else {
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die ("couldn't parse -aux-info output: $_\n");
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}
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}
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close (AUXFILE) || die ("close $auxfile: $!\n");
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unlink ($auxfile) || die ("unlink $auxfile: $!\n");
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} else {
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open (ASTFILE, "<$astfile") || die ("open $astfile: $!\n");
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while (<ASTFILE>) {
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s/^.*:[0-9][0-9]*:[0-9][0-9]* //g;
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s/^.*:[0-9][0-9]* implicit //g;
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s/^.*:[0-9][0-9]* //g;
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if (/(\w+)\s* /) {
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$res{$1} = 1;
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} else {
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die ("couldn't parse -ast-dump output: $_\n");
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}
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}
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close (ASTFILE) || die ("close $astfile: $!\n");
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unlink ($astfile) || die ("unlink $astfile: $!\n");
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}
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return sort keys %res;
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}
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