[scripts] remote-gdb:

	* use sysroot instead of solib search paths
	* don't query arch if there's only one choice

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@20290 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/scripts/remote-gdb b/scripts/remote-gdb
index 9701b31..60efb97 100755 (executable)
--- a/scripts/remote-gdb
+++ b/scripts/remote-gdb
@@ -33,13 +33,20 @@ if( opendir SD, "$Bin/../staging_dir" )
                        }
                }
 
-               # Query arch
-               do {
-                       print("Target? > ");
-                       chomp($tid = <STDIN>);
-               } while( !defined($tid) || $tid !~ /^\d+$/ || $tid < 1 || $tid > @arches );
+               if( @arches > 1 )
+               {
+                       # Query arch
+                       do {
+                               print("Target? > ");
+                               chomp($tid = <STDIN>);
+                       } while( !defined($tid) || $tid !~ /^\d+$/ || $tid < 1 || $tid > @arches );
 
-               ($arch, $libc) = @{$arches[$tid-1]};
+                       ($arch, $libc) = @{$arches[$tid-1]};
+               }
+               else
+               {
+                       ($arch, $libc) = @{$arches[0]};
+               }
        }
 
        closedir SD;
@@ -47,18 +54,14 @@ if( opendir SD, "$Bin/../staging_dir" )
        # Find gdb
        my ($gdb) = glob("$Bin/../build_dir/toolchain-${arch}_*_${libc}/gdb-*/gdb/gdb");
 
-       if( -x $gdb )
+       if( defined($gdb) && -x $gdb )
        {
                my ( $fh, $fp ) = tempfile();
 
-               # Find library paths
-               my $libdirs = join ':', (
-                       glob("$Bin/../staging_dir/target-${arch}_${libc}/root-*/{,usr/}lib/"),
-                       glob("$Bin/../staging_dir/target-${arch}_${libc}/{,usr/}lib/"),
-                       glob("$Bin/../staging_dir/toolchain-${arch}_*_${libc}/lib/")
-               );
+               # Find sysroot
+               my ($sysroot) = glob("$Bin/../staging_dir/target-${arch}_${libc}/root-*/");
 
-               print $fh "set solib-search-path $libdirs\n";
+               print $fh "set sysroot $sysroot\n" if $sysroot;
                print $fh "target remote $ARGV[0]\n";
 
                system($gdb, '-x', $fp, $ARGV[1]);