add "remote-gdb", a helper script to connect the local host gdb with a running gdbser...

SVN-Revision: 18153

diff --git a/scripts/remote-gdb b/scripts/remote-gdb
new file mode 100755 (executable)
index 0000000..869fa87
--- /dev/null
+++ b/scripts/remote-gdb
@@ -0,0 +1,78 @@
+#!/usr/bin/perl
+
+use strict;
+use warnings;
+use FindBin '$Bin';
+use File::Temp 'tempfile';
+
+@ARGV == 2 || do {
+       die "Usage: $0 <host:port> <executable>\n";
+       exit 1;
+};
+
+if( opendir SD, "$Bin/../staging_dir" )
+{
+       my ( $tid, $arch, $libc, @arches );
+
+       if( $ARGV[1] =~ m!\btarget-([^_/]+)_([^_/]+)\b! )
+       {
+               print("Using target $1 ($2)\n");
+               ($arch, $libc) = ($1, $2);
+       }
+       else
+       {
+               # Find arches
+               print("Choose target:\n");
+
+               while( defined( my $e = readdir SD ) )
+               {
+                       if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-([^_]+)_([^_]+)/ )
+                       {
+                               push @arches, [ $1, $2 ];
+                               printf(" %2d) %s (%s)\n", @arches + 0, $1, $2);
+                       }
+               }
+
+               # Query arch
+               do {
+                       print("Target? > ");
+                       chomp($tid = <STDIN>);
+               } while( !defined($tid) || $tid !~ /^\d+$/ || $tid < 1 || $tid > @arches );
+
+               ($arch, $libc) = @{$arches[$tid-1]};
+       }
+
+       closedir SD;
+
+       # Find gdb
+       my ($gdb) = glob("$Bin/../build_dir/toolchain-${arch}_*_${libc}/gdb-*/gdb/gdb");
+
+       if( -x $gdb )
+       {
+               my ( $fh, $fp ) = tempfile();
+
+               # Find library paths
+               my $libdirs = join ':', (
+                       glob("$Bin/../staging_dir/target-${arch}_${libc}/{usr/,}lib"),
+                       glob("$Bin/../staging_dir/toolchain-${arch}_*_${libc}/lib")
+               );
+
+               print $fh "set solib-search-path $libdirs\n";
+               print $fh "target remote $ARGV[0]\n";
+
+               system($gdb, '-x', $fp, $ARGV[1]);
+
+               close($fh);
+               unlink($fp);
+       }
+       else
+       {
+               print("No gdb found! Make sure that CONFIG_GDB is set!\n");
+               exit(1);
+       }
+}
+else
+{
+       print("No staging_dir found! You need to compile at least once!\n");
+       exit(1);
+}