Root/scripts/remote-gdb

1#!/usr/bin/perl
2
3use strict;
4use warnings;
5use FindBin '$Bin';
6use File::Temp 'tempfile';
7
8@ARGV == 2 || do {
9    die "Usage: $0 <host:port> <executable>\n";
10    exit 1;
11};
12
13if( opendir SD, "$Bin/../staging_dir" )
14{
15    my ( $tid, $arch, $libc, @arches );
16
17    if( $ARGV[1] =~ m!\btarget-(.+?)_([^_]+libc[^_/]+)\b!i )
18    {
19        print("Using target $1 ($2)\n");
20        ($arch, $libc) = ($1, $2);
21    }
22    else
23    {
24        # Find arches
25        print("Choose target:\n");
26
27        while( defined( my $e = readdir SD ) )
28        {
29            if( -d "$Bin/../staging_dir/$e" && $e =~ /^target-(.+?)_([^_]+libc[^_]+)/i )
30            {
31                push @arches, [ $1, $2 ];
32                printf(" %2d) %s (%s)\n", @arches + 0, $1, $2);
33            }
34        }
35
36        if( @arches > 1 )
37        {
38            # Query arch
39            do {
40                print("Target? > ");
41                chomp($tid = <STDIN>);
42            } while( !defined($tid) || $tid !~ /^\d+$/ || $tid < 1 || $tid > @arches );
43
44            ($arch, $libc) = @{$arches[$tid-1]};
45        }
46        else
47        {
48            ($arch, $libc) = @{$arches[0]};
49        }
50    }
51
52    closedir SD;
53
54    # Find gdb
55    my ($gdb) = glob("$Bin/../staging_dir/toolchain-${arch}_*_${libc}*/bin/*-gdb");
56    if( defined($gdb) && -x $gdb )
57    {
58        my ( $fh, $fp ) = tempfile();
59
60        # Find sysroot
61        my ($sysroot) = glob("$Bin/../staging_dir/target-${arch}_${libc}/root-*/");
62
63        print $fh "set sysroot $sysroot\n" if $sysroot;
64        print $fh "target remote $ARGV[0]\n";
65
66        my $file = -f "$sysroot/$ARGV[1]" ? "$sysroot/$ARGV[1]" : $ARGV[1];
67        system($gdb, '-x', $fp, $file);
68
69        close($fh);
70        unlink($fp);
71    }
72    else
73    {
74        print("No gdb found! Make sure that CONFIG_GDB is set!\n");
75        exit(1);
76    }
77}
78else
79{
80    print("No staging_dir found! You need to compile at least once!\n");
81    exit(1);
82}
83

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