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#! /usr/bin/perl
sub bitset {
my $num = shift;
my $bit = shift;
return ($num & (1 << $bit));
}
sub gensn {
my $permutation = shift;
my $arity = shift;
my $SN = "";
for (0..$arity-1) { $SN .= bitset($permutation,$_) ? "S" : "N"; }
print "#define STAP_MARK" . ($arity>0?"_":"") . $SN . "(n";
for (0..$arity-1) { print ",a" . (($_)+1); }
print ") do { \\\n";
print " static void (*__systemtap_mark_##n##_" . $SN . ")(";
for (0..$arity-1) { if ($_) { print ",";}
print bitset($permutation,$_)
? "const char *"
: "int64_t"; }
print "); \\\n";
print " if (unlikely (__systemtap_mark_##n##_" . $SN . ")) \\\n";
print " (void) (__systemtap_mark_##n##_" . $SN . "(";
for (0..$arity-1) { if ($_) { print ",";}
print "(a" . (($_)+1) . ")"; }
print ")); \\\n";
print "} while (0)\n\n";
}
sub permute {
my $arity = shift;
for (0 .. (1<<$arity)-1) {
&gensn ($_, $arity);
}
}
die "give me one number" unless $#ARGV == 0;
print "/* Generated by '$0 @ARGV' on " . gmtime() . " */\n\n";
for (0 .. $ARGV[0]) {
&permute($_);
}
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