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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-10-25 17:45:57 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-10-25 17:45:57 +0000
commitcfceed17c545a2364fa7e48a40b1de43a7976317 (patch)
tree8d1c59f41e4e4de416b4a7b5f0fb523b6d5136b8 /scripts/remote-gdb
parent59b7de56237bddc694706c8c220ca0865be4c666 (diff)
[scripts] add "remote-gdb", a helper script to connect the local host gdb with a running gdbserver on the target
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@18153 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'scripts/remote-gdb')
-rwxr-xr-xscripts/remote-gdb78
1 files changed, 78 insertions, 0 deletions
diff --git a/scripts/remote-gdb b/scripts/remote-gdb
new file mode 100755
index 000000000..869fa875a
--- /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);
+}