verilator/test_regress/t/t_flag_csplit.pl
2019-12-09 18:53:56 -05:00

122 lines
3.6 KiB
Perl
Executable File

#!/usr/bin/perl
if (!$::Driver) { use FindBin; exec("$FindBin::Bin/bootstrap.pl", @ARGV, $0); die; }
# DESCRIPTION: Verilator: Verilog Test driver/expect definition
#
# Copyright 2003 by Wilson Snyder. This program is free software; you can
# redistribute it and/or modify it under the terms of either the GNU
# Lesser General Public License Version 3 or the Perl Artistic License
# Version 2.0.
scenarios(vlt_all => 1);
while (1) {
# Thi rule requires GNU make > 4.1 (or so, known broken in 3.81)
#%__Slow.o: %__Slow.cpp
# $(OBJCACHE) $(CXX) $(CXXFLAGS) $(CPPFLAGS) $(OPT_SLOW) -c -o $@ $<
if (make_version() < 4.1) {
skip("Test requires GNU Make version >= 4.1");
last;
}
compile(
v_flags2 => ["--trace --output-split 1 --output-split-cfuncs 1 --exe ../$Self->{main_filename}"],
verilator_make_gmake => 0,
);
# We don't use the standard test_regress rules, as want to test the rules
# properly build
run(logfile => "$Self->{obj_dir}/vlt_gcc.log",
tee => $self->{verbose},
cmd=>["make",
"-C ".$Self->{obj_dir},
"-f $Self->{VM_PREFIX}.mk",
"-j 4",
"VM_PARALLEL_BUILDS=1", # Important to this test
"VM_PREFIX=$Self->{VM_PREFIX}",
"TEST_OBJ_DIR=$Self->{obj_dir}",
"CPPFLAGS_DRIVER=-D".uc($Self->{name}),
($opt_verbose ? "CPPFLAGS_DRIVER2=-DTEST_VERBOSE=1":""),
"OPT_FAST=-O2",
"OPT_SLOW=-O0",
($param{make_flags}||""),
]);
execute(
check_finished => 1,
);
check_splits();
check_gcc_flags("$Self->{obj_dir}/vlt_gcc.log");
ok(1);
last;
}
1;
sub make_version {
my $ver = `make --version`;
if ($ver =~ /make ([0-9]+\.[0-9]+)/i) {
return $1;
} else {
return -1;
}
}
sub check_splits {
my $got1;
my $gotSyms1;
foreach my $file (glob("$Self->{obj_dir}/*.cpp")) {
if ($file =~ /Syms__1/) {
$gotSyms1 = 1;
} elsif ($file =~ /__1/) {
$got1 = 1;
}
check_cpp($file);
}
$got1 or error("No __1 split file found");
$gotSyms1 or error("No Syms__1 split file found");
}
sub check_cpp {
my $filename = shift;
my $size = -s $filename;
printf " File %6d %s\n", $size, $filename if $Self->{verbose};
my $fh = IO::File->new("<$filename") or error("$! $filenme");
my @funcs;
while (defined (my $line = $fh->getline)) {
if ($line =~ /^(void|IData)\s+(.*::.*)/) {
my $func = $2;
$func =~ s/\(.*$//;
print "\tFunc $func\n" if $Self->{verbose};
if ($func !~ /::_eval_initial_loop$/
&& $func !~ /::__Vconfigure$/
&& $func !~ /::trace$/
&& $func !~ /::traceInit$/
&& $func !~ /::traceFull$/
) {
push @funcs, $func;
}
}
}
if ($#funcs > 0) {
error("Split had multiple functions in $filename\n\t".join("\n\t",@funcs));
}
}
sub check_gcc_flags {
my $filename = shift;
my $fh = IO::File->new("<$filename") or error("$! $filenme");
while (defined (my $line = $fh->getline)) {
chomp $line;
print ":log: $line\n" if $Self->{verbose};
if ($line =~ /\.cpp/) {
my $filetype = ($line =~ /Slow/) ? "slow":"fast";
my $opt = ($line !~ /-O2/) ? "slow":"fast";
print "$filetype, $opt, $line\n" if $Self->{verbose};
if ($filetype ne $opt) {
error("${filetype} file compiled as if was ${opt}: $line");
}
}
}
}