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

SVN-Revision: 20290

scripts/remote-gdb

@@ -33,6 +33,8 @@ if( opendir SD, "$Bin/../staging_dir" )
 			}
 		}
 
+		if( @arches > 1 )
+		{
 			# Query arch
 			do {
 				print("Target? > ");
@@ -41,24 +43,25 @@ if( opendir SD, "$Bin/../staging_dir" )
 
 			($arch, $libc) = @{$arches[$tid-1]};
 		}
+		else
+		{
+			($arch, $libc) = @{$arches[0]};
+		}
+	}
 
 	closedir SD;
 
 	# 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
+		# Find sysroot
-		my $libdirs = join ':', (
+		my ($sysroot) = glob("$Bin/../staging_dir/target-${arch}_${libc}/root-*/");
-			glob("$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/")
-		);
 
-		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]);