mirror of
https://github.com/pragma-/pbot.git
synced 2024-11-05 03:29:33 +01:00
e43d2ef144
Most code languages now accept factoida arguments as command-line arguments; e.g., argc and argv in C/C++, args[] in Java, @ARGV in Perl, etc. No longer say "Same output" for code-factoids.
614 lines
16 KiB
Perl
Executable File
614 lines
16 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
|
|
# This Source Code Form is subject to the terms of the Mozilla Public
|
|
# License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
|
|
use warnings;
|
|
use strict;
|
|
|
|
use IPC::Open2;
|
|
|
|
my $debug = $ENV{DEBUG} // 0;
|
|
|
|
#my $opening = "<";
|
|
#my $closing = ">\n";
|
|
|
|
my $opening = "\n";
|
|
my $closing = "\n\n";
|
|
|
|
my $watching = 0;
|
|
my $got_output = 0;
|
|
my $local_vars = "";
|
|
my $locals_start;
|
|
my $locals_end;
|
|
my $last_statement;
|
|
my ($main_start, $main_end);
|
|
sub flushall;
|
|
sub gdb;
|
|
|
|
my ($out, $in);
|
|
|
|
sub getlocals {
|
|
print "getting locals\n" if $debug >= 5;
|
|
gdb $in, "print \"Go.\"\ninfo locals\nprint \"~Ok.~\"\n";
|
|
|
|
while(my $peep = <$out>) {
|
|
chomp $peep;
|
|
print "got peep: [$peep]\n" if $debug >= 5;
|
|
last if $peep =~ m/\(gdb\) \$\d+ = "Go."/;
|
|
|
|
# fix this
|
|
$peep =~ s/^\d+: (.*?) =/$1 =/;
|
|
print "$opening$peep$closing";
|
|
$got_output = 1;
|
|
}
|
|
|
|
my $result = {};
|
|
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
print "got: [$line]\n" if $debug >= 5;
|
|
last if $line =~ m/\(gdb\) \$\d+ = "~Ok.~"/;
|
|
if($line =~ m/([^=]+)=\s+(.*)/) {
|
|
my $var = $1;
|
|
my $value = $2;
|
|
$var =~ s/^\(gdb\)\s+//;
|
|
$var =~ s/\s+$//;
|
|
$result->{$var} = $value;
|
|
print " got local: $var = $value\n" if $debug >= 4;
|
|
}
|
|
}
|
|
|
|
return $result;
|
|
}
|
|
|
|
sub execute {
|
|
my ($cmdline) = @_;
|
|
my ($ret, $result);
|
|
|
|
open2($out, $in, "$cmdline 2>&1");
|
|
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
print "--- got: [$line]\n" if $debug >= 1;
|
|
|
|
my $ignore_response = 0;
|
|
|
|
next if not length $line;
|
|
<$out> and next if $line =~ m/^\(gdb\) No line \d+ in/;
|
|
next if $line =~ m/^\(gdb\) No symbol table/;
|
|
next if $line =~ m/^\[New Thread/;
|
|
next if $line =~ m/^\(gdb\) Continuing/;
|
|
next if $line =~ m/^\(gdb\) \$\d+ = "~Ok\.~"/;
|
|
next if $line =~ m/^(\(gdb\) )*Breakpoint \d+ at 0x/;
|
|
next if $line =~ m/^\(gdb\) Breakpoint \d+ at 0x/;
|
|
next if $line =~ m/^\(gdb\) Note: breakpoint \d+ also set/;
|
|
next if $line =~ m/^(\(gdb\) )*Starting program/;
|
|
next if $line =~ m/PRETTY_FUNCTION__ =/;
|
|
next if $line =~ m/libc_start_main/;
|
|
next if $line =~ m/Thread debugging using libthread_db enabled/;
|
|
next if $line =~ m/Using host libthread_db library/;
|
|
next if $line =~ m/\s*Catchpoint \d+/;
|
|
next if $line =~ m/Missing separate debuginfo/;
|
|
next if $line =~ m/^Try: dnf/;
|
|
|
|
if($line =~ m/^\d+: (.*? = .*)/) {
|
|
print "$opening$1$closing";
|
|
$got_output = 1;
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Reading symbols from.*done\.$/) {
|
|
gdb $in, "break gdb\n";
|
|
|
|
gdb $in, "list main,9001\n";
|
|
gdb $in, "\nprint \"~Ok.~\"\n";
|
|
my ($bracket, $main_ended) = (0);
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
print "list got: [$line]\n" if $debug >= 4;
|
|
my ($line_number) = $line =~ m/^(?:\(gdb\)\s+)?(\d+)/g;
|
|
while($line =~ m/(.)/g) {
|
|
my $char = $1;
|
|
if($char eq '{' and not $main_ended) {
|
|
if ($bracket == 0) {
|
|
$main_start = $line_number;
|
|
}
|
|
$bracket++;
|
|
} elsif($char eq '}') {
|
|
$bracket--;
|
|
|
|
if($bracket == 0 and not $main_ended) {
|
|
$main_end = $line_number - 1;
|
|
$main_ended = 1;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
|
|
last if $line =~ m/^\(gdb\) \$\d+ = "~Ok.~"/;
|
|
}
|
|
|
|
gdb $in, "break $main_start\n";
|
|
gdb $in, "break $main_end\n";
|
|
gdb $in, "set width 0\n";
|
|
gdb $in, "set height 0\n";
|
|
gdb $in, "set auto-solib-add off\n";
|
|
gdb $in, "catch exec\n";
|
|
gdb $in, "run @ARGV < .input\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Breakpoint \d+, main/) {
|
|
my $line = <$out>;
|
|
print "== got: $line\n" if $debug >= 5;
|
|
if ($line =~ m/^\d+\s+return.*?;\s*$/ or $line =~ m/^\d+\s+}\s*$/) {
|
|
if($got_output == 0) {
|
|
$locals_end = getlocals();
|
|
|
|
my $sep = '';
|
|
foreach my $var (keys %$locals_end) {
|
|
print "checking local $var...\n" if $debug >= 4;
|
|
if ($locals_start->{$var} ne $locals_end->{$var}) {
|
|
$local_vars .= "$sep$var = $locals_end->{$var}";
|
|
$sep = '; ';
|
|
}
|
|
}
|
|
}
|
|
} elsif ($line =~ m/^$main_start\s+/) {
|
|
$locals_start = getlocals();
|
|
}
|
|
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/Breakpoint \d+, gdb/) {
|
|
gdb $in, "up\n";
|
|
$line = <$out>;
|
|
print "ignored $line\n" if $debug >= 2;
|
|
$line = <$out>;
|
|
print "ignored $line\n" if $debug >= 2;
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Breakpoint \d+, _(.*?) at/) {
|
|
<$out>;
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Breakpoint \d+, (.*?) at/) {
|
|
my $func = $1;
|
|
my $direction = "entered";
|
|
my $return_value = "";
|
|
my $nextline = <$out>;
|
|
chomp $nextline;
|
|
|
|
print "got bt nextline: <$nextline>\n" if $debug >= 5;
|
|
|
|
if($nextline =~ m/^\d+\s+}$/) {
|
|
$direction = "leaving";
|
|
|
|
gdb $in, "finish\n";
|
|
while(my $retval = <$out>) {
|
|
chomp $retval;
|
|
print "got retval line: <$retval>\n" if $debug >= 5;
|
|
$retval =~ s/^\(gdb\)\s+//;
|
|
|
|
if($retval =~ m/^Run till exit/) {
|
|
<$out>;
|
|
<$out>;
|
|
next;
|
|
}
|
|
|
|
if($retval =~ m/Value returned is \$\d+ = (.*)/) {
|
|
$return_value = ", returned $1";
|
|
last;
|
|
}
|
|
|
|
next if not length $retval;
|
|
next if $retval =~ m/^\$\d+ = 0/;
|
|
|
|
print "$retval\n";
|
|
$got_output = 1;
|
|
}
|
|
}
|
|
|
|
flushall $in, $out;
|
|
|
|
my $indent = 0;
|
|
gdb $in, "bt\n";
|
|
while(my $bt = <$out>) {
|
|
chomp $bt;
|
|
print "got bt: <$bt>\n" if $debug >= 5;
|
|
$bt =~ s/^\(gdb\) //;
|
|
if($bt =~ m/^#(\d+) .* main .* at prog/) {
|
|
$indent = $1;
|
|
last;
|
|
}
|
|
}
|
|
|
|
$indent++ if $direction eq "leaving";
|
|
|
|
print "$opening$direction [$indent]", ' ' x $indent, "$func$return_value$closing";
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bprint_last_statement\((.*)\)/) {
|
|
my $stmt = $1;
|
|
|
|
if ($stmt =~ m/^\s*(print|trace|watch|print|ptype|whatis|gdb)\b/) {
|
|
$line = "1 $stmt";
|
|
} else {
|
|
$line = "1 gdb(\"print_last_statement $stmt\");";
|
|
}
|
|
}
|
|
|
|
|
|
if ($line =~ m/^\d+\s+.*\btrace\((.*)\)/) {
|
|
$line = "1 gdb(\"break $1\");";
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bwatch\((.*)\)/) {
|
|
$line = "1 gdb(\"watch $1\");";
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bdump\((.*)\)/) {
|
|
$line = "1 gdb(\"print $1\");";
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bprint\((.*)\)/) {
|
|
$line = "1 gdb(\"print $1\");";
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bptype\((.*)\)/) {
|
|
$line = "1 gdb(\"ptype $1\");";
|
|
}
|
|
|
|
if ($line =~ m/^\d+\s+.*\bwhatis\((.*)\)/) {
|
|
$line = "1 gdb(\"whatis $1\");";
|
|
}
|
|
|
|
if($line =~ m/^\d+\s+.*\bgdb\("(.*)"\)/) {
|
|
my $command = $1;
|
|
my ($cmd, $args) = split / /, $command, 2;
|
|
$args = "" if not defined $args;
|
|
|
|
print "got command [$command][$cmd][$args]\n" if $debug >= 10;
|
|
|
|
flushall $in, $out;
|
|
|
|
if ($cmd eq "print_last_statement") {
|
|
$command =~ s/;$//;
|
|
gdb $in, "print $args\nprint \"~Ok.~\"\n";
|
|
|
|
while ($line = <$out>) {
|
|
chomp $line;
|
|
print "got last output line: [$line]\n" if $debug >= 10;
|
|
$line =~ s/^\(gdb\)\s*//;
|
|
if ($line =~ m/^\$\d+ = "~Ok.~"/) {
|
|
last;
|
|
} elsif ($line =~ s/\$\d+ = (.*)$//) {
|
|
unless ($1 eq 'void' || $args eq $1) {
|
|
$last_statement = "$args = $1";
|
|
print "got last statement [$last_statement]\n" if $debug;
|
|
}
|
|
if (length $line) {
|
|
print "$line\n";
|
|
$got_output = 1;
|
|
}
|
|
} else {
|
|
if ($line =~ m/Program received signal/) {
|
|
print "GOT SIGNAL!\n" if $debug;
|
|
goto SIGNAL;
|
|
last;
|
|
}
|
|
|
|
$line =~ s/\$\d+ = \d+$//;
|
|
print "$line\n";
|
|
$got_output = 1;
|
|
}
|
|
}
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($cmd eq "break") {
|
|
$ignore_response = 1;
|
|
|
|
gdb $in, "list $args,9001\n";
|
|
gdb $in, "print \"~Ok.~\"\n";
|
|
my $break = 0;
|
|
my $bracket = 0;
|
|
my $func_ended = 0;
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
print "list break got: [$line]\n" if $debug >= 4;
|
|
my ($line_number) = $line =~ m/^(\d+)/g;
|
|
while($line =~ m/(.)/g) {
|
|
my $char = $1;
|
|
if($char eq '{') {
|
|
$bracket++;
|
|
} elsif($char eq '}') {
|
|
$bracket--;
|
|
|
|
if($bracket == 0 and not $func_ended) {
|
|
gdb $in, "break $line_number\n";
|
|
print "func ended, breaking at $line_number\n" if $debug >= 5;
|
|
$func_ended = 1;
|
|
last;
|
|
}
|
|
}
|
|
}
|
|
|
|
last if $line =~ m/^\(gdb\) \$\d+ = "~Ok.~"/;
|
|
}
|
|
}
|
|
|
|
if($cmd eq "watch") {
|
|
gdb $in, "display $args\n";
|
|
<$out>;
|
|
$watching++;
|
|
$ignore_response = 1;
|
|
}
|
|
|
|
my $final_closing = "";
|
|
gdb $in, "$command\nprint \"~Ok.~\"\n";
|
|
while(my $next_line = <$out>) {
|
|
chomp $next_line;
|
|
print "nextline: $next_line\n" if $debug >= 1;
|
|
|
|
print $final_closing and last if $next_line =~ m/\$\d+ = "~Ok.~"/;
|
|
$next_line =~ s/^\(gdb\)\s*\(gdb\)\s+\$\d+ = "~Ok.~"//;
|
|
$next_line =~ s/^\(gdb\)\s+\$\d+//;
|
|
$next_line =~ s/^\(gdb\)\s+type//;
|
|
$next_line =~ s/^\(gdb\)\s*//;
|
|
|
|
next if not length $next_line;
|
|
|
|
if(not $ignore_response) {
|
|
if($next_line =~ m/=/) { # ptype
|
|
$got_output = 1;
|
|
print "$opening$args$next_line";
|
|
$final_closing = $closing;
|
|
} else {
|
|
$got_output = 1;
|
|
$next_line =~ s/^\s+//;
|
|
print "\n$next_line";
|
|
}
|
|
}
|
|
}
|
|
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Watchpoint \d+: (.*)/) {
|
|
my $var = $1;
|
|
|
|
my $ignore = <$out>;
|
|
print "ignored $ignore\n" if $debug >= 5;
|
|
my $old = <$out>;
|
|
my $new = <$out>;
|
|
$ignore = <$out>;
|
|
print "ignored $ignore\n" if $debug >= 5;
|
|
$ignore = <$out>;
|
|
print "ignored $ignore\n" if $debug >= 5;
|
|
|
|
my ($val1) = $old =~ m/Old value = (.*)/;
|
|
my ($val2) = $new =~ m/New value = (.*)/;
|
|
|
|
$got_output = 1;
|
|
print "$opening$var = $val2$closing";
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Hardware watchpoint \d+: (.*)/) {
|
|
my $var = $1;
|
|
|
|
my $ignore = <$out>;
|
|
my $old = <$out>;
|
|
my $new = <$out>;
|
|
$ignore = <$out>;
|
|
$ignore = <$out>;
|
|
|
|
my ($val1) = $old =~ m/Old value = (.*)/;
|
|
my ($val2) = $new =~ m/New value = (.*)/;
|
|
|
|
$got_output = 1;
|
|
my $output = "$opening$var changed: $val1 => $val2$closing";
|
|
flushall $in, $out;
|
|
print $output;
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Watchpoint \d+ deleted/) {
|
|
my $ignore = <$out>;
|
|
print "ignored $ignore\n" if $debug >= 5;
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
if($line =~ m/^Program exited/) {
|
|
if (not $got_output and (length $local_vars or defined $last_statement)) {
|
|
print $opening . "no output:";
|
|
print " $last_statement" if defined $last_statement;
|
|
print ";" if defined $last_statement and length $local_vars;
|
|
print " $local_vars" if length $local_vars;
|
|
print $closing . "\n";
|
|
}
|
|
exit 0;
|
|
}
|
|
|
|
if($line =~ s/\[Inferior .* exited with code (\d+)\]//) {
|
|
print "$line\n" if length $line;
|
|
print $opening . "Exit " . (oct $1) . $closing;
|
|
if (not $got_output and (length $local_vars or defined $last_statement)) {
|
|
print $opening . "no output:";
|
|
print " $last_statement" if defined $last_statement;
|
|
print ";" if defined $last_statement and length $local_vars;
|
|
print " $local_vars" if length $local_vars;
|
|
print $closing . "\n";
|
|
}
|
|
exit 0;
|
|
}
|
|
|
|
if($line =~ s/\[Inferior .* exited normally\]//) {
|
|
print "$line\n" if length $line;
|
|
$got_output = 1 if length $line;
|
|
if (not $got_output and (length $local_vars or defined $last_statement)) {
|
|
print $opening . "no output:";
|
|
print " $last_statement" if defined $last_statement;
|
|
print ";" if defined $last_statement and length $local_vars;
|
|
print " $local_vars" if length $local_vars;
|
|
print $closing . "\n";
|
|
}
|
|
exit 0;
|
|
}
|
|
|
|
if($line =~ m/Program terminated with signal SIGKILL/) {
|
|
print "[Killed]\n";
|
|
return 0;
|
|
}
|
|
|
|
if($line =~ m/Program received signal SIGTRAP/) {
|
|
my $output = "";
|
|
my $line = <$out>;
|
|
print "ignored $line\n" if $debug >= 5;
|
|
$line = <$out>;
|
|
print "ignored $line\n" if $debug >= 5;
|
|
for(my $i = 0; $i < $watching; $i++) {
|
|
$line = <$out>;
|
|
chomp $line;
|
|
$line =~ s/^\d+:\s//;
|
|
$got_output = 1;
|
|
$output .= "$opening$line$closing";
|
|
}
|
|
flushall $in, $out;
|
|
print $output;
|
|
gdb $in, "cont\n";
|
|
next;
|
|
}
|
|
|
|
SIGNAL:
|
|
#print "SIGNAL - testing line [$line]\n" if $debug;
|
|
if($line =~ m/Program received signal/) {
|
|
my $result = "";
|
|
my $vars = "";
|
|
my $varsep = "";
|
|
|
|
$line =~ s/\.$//;
|
|
$got_output = 1;
|
|
print "$line ";
|
|
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
$line =~ s/^\(gdb\)\s+//;
|
|
$line =~ s/main \(.*?\)/main ()/g;
|
|
|
|
print "signal got: [$line]\n" if $debug >= 5;
|
|
|
|
next if $line =~ m/__PRETTY_FUNCTION__ =/;
|
|
gdb $in, "up\n" and next if $line =~ m{^\#\d+\s+<function called from gdb>};
|
|
<$out> and gdb $in, "up\n" and next if $line =~ m/^\#\d+\s+gdb \(\)/;
|
|
|
|
if($line =~ s/^(#\d+\s+)?0x[0-9A-Fa-f]+\s// || $line =~ m/\w+ \(\) (at|in) /) {
|
|
$line =~ s/\s+at .*:\d+//;
|
|
$line =~ s/\s+from \/lib.*//;
|
|
|
|
gdb $in, "up\n" and next if $line =~ m{in \?\?};
|
|
gdb $in, "up\n" and next if $line =~ m{/usr/lib/};
|
|
gdb $in, "up\n" and next if $line =~ m{^_};
|
|
|
|
if($line =~ s/^\s*in\s+//) {
|
|
if(not length $result) {
|
|
$result .= "in $line ";
|
|
} else {
|
|
$result .= "called by $line ";
|
|
}
|
|
gdb $in, "info locals\n";
|
|
} else {
|
|
$result = "in $line from ";
|
|
gdb $in, "info locals\n";
|
|
}
|
|
}
|
|
elsif($line =~ m/^No symbol table info available/ || $line =~ m/^No locals/) {
|
|
gdb $in, "up\n";
|
|
}
|
|
elsif($line =~ s/^\d+\s+//) {
|
|
next if $line =~ /No such file/;
|
|
|
|
$line = $1 if $line =~ m/print_last_statement\((.*)\)/;
|
|
|
|
$result .= "at statement: $line ";
|
|
gdb $in, "up\n";
|
|
}
|
|
elsif($line =~ m/([^=]+)=\s+(.*)/) {
|
|
unless ($2 =~ m/~Ok\.~/) {
|
|
$vars .= "$varsep$1= $2";
|
|
$varsep = "; ";
|
|
}
|
|
}
|
|
elsif($line =~ m/^Initial frame selected; you cannot go up/) {
|
|
last;
|
|
}
|
|
}
|
|
|
|
$result =~ s/^\s+//;
|
|
$result =~ s/\s+$//;
|
|
$result =~ s/in main \(\) //;
|
|
|
|
$vars = " <local variables: $vars>" if length $vars;
|
|
|
|
print "$result$vars\n";
|
|
exit 0;
|
|
}
|
|
|
|
if($line =~ s/^\(gdb\)\s*//) {
|
|
$got_output = 1;
|
|
print "$opening$line$closing";
|
|
next;
|
|
}
|
|
|
|
next if $line =~ m/^\d+\s+void gdb\(\) \{\}/;
|
|
|
|
next if not length $line;
|
|
|
|
$got_output = 1;
|
|
print "$line\n";
|
|
}
|
|
}
|
|
|
|
sub gdb {
|
|
my ($in, $command) = @_;
|
|
|
|
chomp $command;
|
|
print "+++ gdb command [$command]\n" if $debug >= 2;
|
|
print $in "$command\n";
|
|
}
|
|
|
|
sub flushall {
|
|
my ($in, $out) = @_;
|
|
|
|
gdb $in, "call fflush(0)\nprint \"~Ok.~\"\n";
|
|
while(my $line = <$out>) {
|
|
chomp $line;
|
|
$line =~ s/^\(gdb\)\s*//;
|
|
$line =~ s/\$\d+ = 0$//;
|
|
last if $line =~ m/\$\d+ = "~Ok.~"/;
|
|
next unless length $line;
|
|
$got_output = 1;
|
|
print "$line\n";
|
|
}
|
|
}
|
|
|
|
$SIG{ALRM} = sub { print "\n"; exit 1; };
|
|
alarm 8;
|
|
|
|
execute("LIBC_FATAL_STDERR=1 MALLOC_CHECK_=1 gdb -silent -q -nx -iex 'set auto-load safe-path /' ./prog 2>&1");
|