mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-26 22:09:26 +01:00
4602c3b732
Replace "Killed" with "[Killed]"
Don't print empty '' after unprintable char values
Set default language in compiler_client.pl to C11
486 lines
14 KiB
Perl
Executable File
486 lines
14 KiB
Perl
Executable File
#!/usr/bin/perl
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use warnings;
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use strict;
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use IPC::Open2;
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my $stdin_input = (join ' ', @ARGV) || "Lorem ipsum dolor sit amet.\n";
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open my $fh, '>', '.input' or die "Couldn't open .input: $!";
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print $fh $stdin_input;
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close $fh;
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my $debug = 0;
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my $watching = 0;
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my $got_output = 0;
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my $local_vars = "";
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sub flushall;
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sub gdb;
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sub execute {
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my ($cmdline) = @_;
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my ($ret, $result);
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my ($out, $in);
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open2($out, $in, "$cmdline 2>&1");
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while(my $line = <$out>) {
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chomp $line;
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print "--- got: [$line]\n" if $debug >= 1;
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my $ignore_response = 0;
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next if not length $line;
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<$out> and next if $line =~ m/^\(gdb\) No line \d+ in/;
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next if $line =~ m/^\(gdb\) Continuing/;
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next if $line =~ m/^\(gdb\) \$\d+ = "Ok\."/;
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next if $line =~ m/^(\(gdb\) )*Breakpoint \d+ at 0x/;
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next if $line =~ m/^\(gdb\) Breakpoint \d+ at 0x/;
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next if $line =~ m/^\(gdb\) Note: breakpoint \d+ also set/;
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next if $line =~ m/^(\(gdb\) )*Starting program/;
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next if $line =~ m/PRETTY_FUNCTION__ =/;
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next if $line =~ m/libc_start_main/;
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if($line =~ m/^\d+: (.*? = .*)/) {
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print "<$1>\n";
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$got_output = 1;
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next;
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}
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if($line =~ m/^Reading symbols from.*done\.$/) {
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gdb $in, "break gdb\n";
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gdb $in, "list main,9001\n";
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gdb $in, "print \"Ok.\"\n";
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my $break = 0;
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my $bracket = 0;
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my $main_ended = 0;
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while(my $line = <$out>) {
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chomp $line;
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print "list got: [$line]\n" if $debug >= 4;
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my ($line_number) = $line =~ m/^(\d+)/g;
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while($line =~ m/(.)/g) {
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my $char = $1;
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if($char eq '{') {
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$bracket++;
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} elsif($char eq '}') {
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$bracket--;
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if($bracket == 0 and not $main_ended) {
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$break = $line_number;
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$main_ended = 1;
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last;
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}
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}
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}
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last if $line =~ m/^\(gdb\) \$\d+ = "Ok."/;
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}
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gdb $in, "break $break\n";
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gdb $in, "set width 0\n";
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gdb $in, "set height 0\n";
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gdb $in, "run < .input\n";
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next;
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}
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if($line =~ m/^Breakpoint \d+, main/) {
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my $line = <$out>;
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print "== got: $line\n" if $debug >= 5;
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if($line =~ m/^\d+\s+return.*?;\s*$/ or $line =~ m/^\d+\s+}\s*$/) {
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if($got_output == 0) {
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print "no output, checking locals\n" if $debug >= 5;
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gdb $in, "print \"Go.\"\ninfo locals\nprint \"Ok.\"\n";
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while(my $peep = <$out>) {
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chomp $peep;
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last if $peep =~ m/\(gdb\) \$\d+ = "Go."/;
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# fix this
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$peep =~ s/^\d+: (.*?) =/$1 =/;
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print "<$peep>\n";
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$got_output = 1;
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}
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my $result = "";
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my $vars = "";
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my $varsep = "";
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while(my $line = <$out>) {
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chomp $line;
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print "got: [$line]\n" if $debug >= 5;
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last if $line =~ m/\(gdb\) \$\d+ = "Ok."/;
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if($line =~ m/([^=]+)=\s+(.*)/) {
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$vars .= "$varsep$1= $2";
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$varsep = "; ";
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}
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}
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$result =~ s/^\s+//;
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$result =~ s/\s+$//;
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$vars =~ s/\(gdb\)\s*//g;
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$local_vars = "<no output: $vars>" if length $vars;
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}
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}
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/Breakpoint \d+, gdb/) {
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gdb $in, "up\n";
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$line = <$out>;
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print "ignored $line\n" if $debug >= 2;
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$line = <$out>;
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print "ignored $line\n" if $debug >= 2;
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next;
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}
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if($line =~ m/^Breakpoint \d+, (.*?) at/) {
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my $func = $1;
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my $direction = "entered";
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my $return_value = "";
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my $nextline = <$out>;
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chomp $nextline;
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print "got bt nextline: <$nextline>\n" if $debug >= 5;
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if($nextline =~ m/^\d+\s+}$/) {
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$direction = "leaving";
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gdb $in, "finish\n";
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while(my $retval = <$out>) {
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chomp $retval;
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print "got retval line: <$retval>\n" if $debug >= 5;
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$retval =~ s/^\(gdb\)\s+//;
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if($retval =~ m/^Run till exit/) {
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<$out>;
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<$out>;
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next;
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}
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if($retval =~ m/Value returned is \$\d+ = (.*)/) {
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$return_value = ", returned $1";
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last;
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}
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next if not length $retval;
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next if $retval =~ m/^\$\d+ = 0/;
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print "$retval\n";
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$got_output = 1;
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}
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}
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flushall $in, $out;
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my $indent = 0;
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gdb $in, "bt\n";
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while(my $bt = <$out>) {
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chomp $bt;
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print "got bt: <$bt>\n" if $debug >= 5;
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$bt =~ s/^\(gdb\) //;
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if($bt =~ m/^#(\d+) .* main .* at prog/) {
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$indent = $1;
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last;
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}
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}
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$indent++ if $direction eq "leaving";
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print "<$direction [$indent]", ' ' x $indent, "$func$return_value>\n";
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/^\d+\s+.*\btrace\((.*)\)/) {
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$line = "1 gdb(\"break $1\");";
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}
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if($line =~ m/^\d+\s+.*\bwatch\((.*)\)/) {
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$line = "1 gdb(\"watch $1\");";
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}
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if($line =~ m/^\d+\s+.*\bdump\((.*)\)/) {
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$line = "1 gdb(\"print $1\");";
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}
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if($line =~ m/^\d+\s+.*\bprint\((.*)\)/) {
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$line = "1 gdb(\"print $1\");";
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}
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if($line =~ m/^\d+\s+.*\bptype\((.*)\)/) {
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$line = "1 gdb(\"ptype $1\");";
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}
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if($line =~ m/^\d+\s+.*\bgdb\("(.*)"\)/) {
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my $command = $1;
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my ($cmd, $args) = split / /, $command, 2;
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$args = "" if not defined $args;
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print "got command [$command]\n" if $debug >= 10;
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if($cmd eq "break") {
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$ignore_response = 1;
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gdb $in, "list $args,9001\n";
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gdb $in, "print \"Ok.\"\n";
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my $break = 0;
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my $bracket = 0;
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my $func_ended = 0;
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while(my $line = <$out>) {
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chomp $line;
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print "list break got: [$line]\n" if $debug >= 4;
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my ($line_number) = $line =~ m/^(\d+)/g;
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while($line =~ m/(.)/g) {
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my $char = $1;
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if($char eq '{') {
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$bracket++;
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} elsif($char eq '}') {
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$bracket--;
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if($bracket == 0 and not $func_ended) {
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gdb $in, "break $line_number\n";
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print "func ended, breaking at $line_number\n" if $debug >= 5;
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$func_ended = 1;
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last;
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}
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}
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}
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last if $line =~ m/^\(gdb\) \$\d+ = "Ok."/;
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}
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}
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if($cmd eq "watch") {
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gdb $in, "display $args\n";
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<$out>;
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$watching++;
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$ignore_response = 1;
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}
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gdb $in, "$command\nprint \"Ok.\"\n";
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while(my $next_line = <$out>) {
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chomp $next_line;
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print "nextline: $next_line\n" if $debug >= 1;
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last if $next_line =~ m/\$\d+ = "Ok."/;
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$next_line =~ s/^\(gdb\)\s*\(gdb\)\s+\$\d+ = "Ok."//;
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$next_line =~ s/^\(gdb\)\s+\$\d+//;
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$next_line =~ s/^\(gdb\)\s+type//;
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$next_line =~ s/^\(gdb\)\s*//;
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next if not length $next_line;
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if(not $ignore_response) {
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if($next_line =~ m/=/) {
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$got_output = 1;
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print "<$args$next_line>\n";
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} else {
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$got_output = 1;
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print "<$next_line>\n";
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}
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}
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}
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/^Watchpoint \d+: (.*)/) {
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my $var = $1;
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my $ignore = <$out>;
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print "ignored $ignore\n" if $debug >= 5;
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my $old = <$out>;
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my $new = <$out>;
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$ignore = <$out>;
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print "ignored $ignore\n" if $debug >= 5;
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$ignore = <$out>;
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print "ignored $ignore\n" if $debug >= 5;
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my ($val1) = $old =~ m/Old value = (.*)/;
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my ($val2) = $new =~ m/New value = (.*)/;
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$got_output = 1;
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print "<$var = $val2>\n";
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/^Hardware watchpoint \d+: (.*)/) {
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my $var = $1;
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my $ignore = <$out>;
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my $old = <$out>;
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my $new = <$out>;
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$ignore = <$out>;
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$ignore = <$out>;
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my ($val1) = $old =~ m/Old value = (.*)/;
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my ($val2) = $new =~ m/New value = (.*)/;
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$got_output = 1;
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my $output = "<$var changed: $val1 => $val2>\n";
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flushall $in, $out;
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print $output;
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/^Watchpoint \d+ deleted/) {
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my $ignore = <$out>;
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print "ignored $ignore\n" if $debug >= 5;
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/^Program exited/) {
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print " $local_vars\n" if length $local_vars and not $got_output;
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exit 0;
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}
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if($line =~ s/\[Inferior .* exited with code (\d+)\]//) {
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print "$line\n";
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print "<Exit $1>\n";
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print " $local_vars\n" if length $local_vars and not $got_output;
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exit 0;
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}
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if($line =~ s/\[Inferior .* exited normally\]//) {
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print "$line\n" if length $line;
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$got_output = 1 if length $line;
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print " $local_vars\n" if length $local_vars and not $got_output;
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exit 0;
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}
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if($line =~ m/Program terminated with signal SIGKILL/) {
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print "[Killed]\n";
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return 0;
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}
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if($line =~ m/Program received signal SIGTRAP/) {
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my $output = "";
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my $line = <$out>;
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print "ignored $line\n" if $debug >= 5;
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$line = <$out>;
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print "ignored $line\n" if $debug >= 5;
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for(my $i = 0; $i < $watching; $i++) {
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$line = <$out>;
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chomp $line;
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$line =~ s/^\d+:\s//;
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$got_output = 1;
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$output .= "<$line>\n";
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}
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flushall $in, $out;
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print $output;
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gdb $in, "cont\n";
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next;
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}
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if($line =~ m/Program received signal/) {
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my $result = "";
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my $vars = "";
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my $varsep = "";
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$line =~ s/\.$//;
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$got_output = 1;
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print "$line ";
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while(my $line = <$out>) {
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chomp $line;
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$line =~ s/^\(gdb\)\s+//;
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$line =~ s/main \(.*?\)/main ()/g;
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print "signal got: [$line]\n" if $debug >= 5;
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next if $line =~ m/__PRETTY_FUNCTION__ =/;
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if($line =~ s/^(#\d+\s+)?0x[0-9A-Fa-f]+\s//) {
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$line =~ s/\s+at .*:\d+//;
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$line =~ s/\s+from \/lib.*//;
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if($line =~ s/^\s*in\s+//) {
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if(not length $result) {
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$result .= "in $line ";
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} else {
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$result .= "called by $line ";
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}
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gdb $in, "info locals\n";
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} else {
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$result = "in $line from ";
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gdb $in, "info locals\n";
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}
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}
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elsif($line =~ m/^No symbol table info available/) {
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gdb $in, "up\n";
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}
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elsif($line =~ s/^\d+\s+//) {
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next if $line =~ /No such file/;
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$result .= "at statement: $line ";
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gdb $in, "up\n";
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}
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elsif($line =~ m/([^=]+)=\s+(.*)/) {
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$vars .= "$varsep$1= $2";
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$varsep = "; ";
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}
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elsif($line =~ m/^Initial frame selected; you cannot go up/) {
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last;
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}
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}
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$result =~ s/^\s+//;
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$result =~ s/\s+$//;
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$result =~ s/in main \(\) //;
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$vars = " <local variables: $vars>" if length $vars;
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print "$result$vars\n";
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exit 0;
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}
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if($line =~ s/^\(gdb\)\s*//) {
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$got_output = 1;
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print "<$line>\n";
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next;
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}
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next if $line =~ m/^\d+\s+void gdb\(\) {}/;
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next if not length $line;
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$got_output = 1;
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print "$line\n";
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}
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}
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sub gdb {
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my ($in, $command) = @_;
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chomp $command;
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print "+++ gdb command [$command]\n" if $debug >= 2;
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print $in "$command\n";
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}
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sub flushall {
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my ($in, $out) = @_;
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gdb $in, "call fflush(0)\nprint \"Ok.\"\n";
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while(my $line = <$out>) {
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chomp $line;
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$line =~ s/^\(gdb\)\s*//;
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$line =~ s/\$\d+ = 0$//;
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last if $line =~ m/\$\d+ = "Ok."/;
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next unless length $line;
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$got_output = 1;
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print "$line\n";
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}
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}
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execute("LIBC_FATAL_STDERR=1 gdb -silent ./prog 2>&1");
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