kernel: add missing symbol for 4.4

[openwrt/openwrt.git] / scripts / remote-gdb

diff --git a/scripts/remote-gdb b/scripts/remote-gdb
index 869fa875a0d40bce531eeec5ff098376638191df..cd59033e7a5399d0ee6206f219120fa1deeea359 100755 (executable)
--- a/scripts/remote-gdb
+++ b/scripts/remote-gdb
@@ -6,7 +6,7 @@ use FindBin '$Bin';
 use File::Temp 'tempfile';
 
 @ARGV == 2 || do {
-       die "Usage: $0 <host:port> <executable>\n";
+       die "Usage: $0 <corefile|host:port> <executable>\n";
        exit 1;
 };
 
@@ -14,7 +14,7 @@ if( opendir SD, "$Bin/../staging_dir" )
 {
        my ( $tid, $arch, $libc, @arches );
 
-       if( $ARGV[1] =~ m!\btarget-([^_/]+)_([^_/]+)\b! )
+       if( $ARGV[1] =~ m!\btarget-(.+?)_(([^/_]+libc|musl)[^/]+)\b!i )
        {
                print("Using target $1 ($2)\n");
                ($arch, $libc) = ($1, $2);
@@ -26,41 +26,52 @@ if( opendir SD, "$Bin/../staging_dir" )
 
                while( defined( my $e = readdir SD ) )
                {
-                       if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-([^_]+)_([^_]+)/ )
+                       if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-(.+?)_(([^_]+libc|musl).+)/i )
                        {
                                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 || $tid > @arches );
+               if( @arches > 1 )
+               {
+                       # Query arch
+                       do {
+                               print("Target? > ");
+                               chomp($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;
 
        # Find gdb
-       my ($gdb) = glob("$Bin/../build_dir/toolchain-${arch}_*_${libc}/gdb-*/gdb/gdb");
-
-       if( -x $gdb )
+       my ($gdb) = glob("$Bin/../staging_dir/toolchain-${arch}_*_${libc}*/bin/*-gdb");
+       if( defined($gdb) && -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}_*_${libc}/lib")
-               );
+               # Find sysroot
+               my ($sysroot) = glob("$Bin/../staging_dir/target-${arch}_${libc}/root-*/");
+
+               print $fh "set sysroot $sysroot\n" if $sysroot;
+               my $cmd = "target extended-remote";
+               -f $ARGV[0] and $cmd = "core-file";
+               print $fh "$cmd $ARGV[0]\n";
 
-               print $fh "set solib-search-path $libdirs\n";
-               print $fh "target remote $ARGV[0]\n";
+               # History settings
+               print $fh "set history filename $Bin/../tmp/.gdb_history\n";
+               print $fh "set history size 100000000\n";
+               print $fh "set history save on\n";
 
-               system($gdb, '-x', $fp, $ARGV[1]);
+               my $file = -f "$sysroot/$ARGV[1]" ? "$sysroot/$ARGV[1]" : $ARGV[1];
+               system($gdb, '-x', $fp, $file);
 
                close($fh);
                unlink($fp);