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authorJoseph Myers <joseph@codesourcery.com>2012-05-01 20:03:42 +0000
committerJoseph Myers <joseph@codesourcery.com>2012-05-01 20:03:42 +0000
commit661f8cf03b7f178c143d1ec48e75a2904ab01154 (patch)
tree090a2cc8a8ba12b337b1e09933744879b81276cb /conform
parentee74b9cbbdba4dc9e1c0532915d4f06751a6a561 (diff)
downloadglibc-661f8cf03b7f178c143d1ec48e75a2904ab01154.tar.gz
conformtest: Support testing macro usability in #if.
Diffstat (limited to 'conform')
-rw-r--r--conform/conformtest.pl41
1 files changed, 39 insertions, 2 deletions
diff --git a/conform/conformtest.pl b/conform/conformtest.pl
index 2d8cfd703c..4704debc5e 100644
--- a/conform/conformtest.pl
+++ b/conform/conformtest.pl
@@ -385,7 +385,7 @@ while ($#headers >= 0) {
"Member \"$member\" does not have the correct type.",
$res, 0);
}
- } elsif (/^(macro|constant|macro-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
+ } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
my($symbol_type) = $1;
my($symbol) = $2;
my($type) = $3;
@@ -432,6 +432,43 @@ while ($#headers >= 0) {
$res = $res || $mres || $cres;
+ if ($symbol_type eq "macro-int-constant" && ($res == 0 || !$optional)) {
+ # Test that the symbol is usable in #if.
+ open (TESTFILE, ">$fnamebase.c");
+ print TESTFILE "$prepend";
+ print TESTFILE "#include <$h>\n";
+ print TESTFILE "#if $symbol < 0\n";
+ print TESTFILE "# define conformtest_negative 1\n";
+ my($s) = "0";
+ for (my $i = 0; $i < 63; $i++) {
+ print TESTFILE "# if $symbol & (1LL << $i)\n";
+ print TESTFILE "# define conformtest_bit_$i 0LL\n";
+ print TESTFILE "# else\n";
+ print TESTFILE "# define conformtest_bit_$i (1LL << $i)\n";
+ print TESTFILE "# endif\n";
+ $s .= "|conformtest_bit_$i";
+ }
+ print TESTFILE "# define conformtest_value ~($s)\n";
+ print TESTFILE "#else\n";
+ print TESTFILE "# define conformtest_negative 0\n";
+ $s = "0";
+ for (my $i = 0; $i < 64; $i++) {
+ print TESTFILE "# if $symbol & (1ULL << $i)\n";
+ print TESTFILE "# define conformtest_bit_$i (1ULL << $i)\n";
+ print TESTFILE "# else\n";
+ print TESTFILE "# define conformtest_bit_$i 0ULL\n";
+ print TESTFILE "# endif\n";
+ $s .= "|conformtest_bit_$i";
+ }
+ print TESTFILE "# define conformtest_value ($s)\n";
+ print TESTFILE "#endif\n";
+ print TESTFILE "int main (void) { return !((($symbol < 0) == conformtest_negative) && ($symbol == conformtest_value)); }\n";
+ close (TESTFILE);
+
+ runtest ($fnamebase, "Testing for #if usability of symbol $symbol",
+ "Symbol \"$symbol\" not usable in #if.", $res);
+ }
+
if (defined ($type) && ($res == 0 || !$optional)) {
# Test the type of the symbol.
open (TESTFILE, ">$fnamebase.c");
@@ -744,7 +781,7 @@ while ($#headers >= 0) {
if (/^element *({([^}]*)}|([^ ]*)) *({([^}]*)}|([^ ]*)) *([A-Za-z0-9_]*) *(.*)/) {
push @allow, $7;
- } elsif (/^(macro|constant|macro-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
+ } elsif (/^(macro|constant|macro-constant|macro-int-constant) +([a-zA-Z0-9_]*) *(?:{([^}]*)} *)?(?:([>=<!]+) ([A-Za-z0-9_-]*))?/) {
push @allow, $1;
} elsif (/^(type|tag) *({([^}]*)|([a-zA-Z0-9_]*))/) {
my($type) = "$3$4";