[PATCH] rproxy: have addr2line show inlines and function names

[Eric Wong <e@80x24.org>]

They're useful, IMHO.  The ADDR2LINE environment can override
it, of course.
---
 lib/Devel/Mwrap/Rproxy.pm | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/Devel/Mwrap/Rproxy.pm b/lib/Devel/Mwrap/Rproxy.pm
index 19fff59..b2bee8c 100644
--- a/lib/Devel/Mwrap/Rproxy.pm
+++ b/lib/Devel/Mwrap/Rproxy.pm
@@ -133,15 +133,17 @@ sub new {
 	my ($cls, $exe) = @_;
 	pipe(my ($rd, $_wr)) or die "pipe: $!";
 	pipe(my ($_rd, $wr)) or die "pipe: $!";
-	my $addr2line = $ENV{ADDR2LINE} // 'addr2line';
+	# -f/--functions needs -p/--pretty-print to go with it
+	my $addr2line = $ENV{ADDR2LINE} // 'addr2line -i -p -f';
+	my @addr2line = split(/\s+/, $addr2line);
 	my $pid = fork // die "fork: $!";
 	if ($pid == 0) {
 		close $rd;
 		close $wr;
 		open STDIN, '<&', $_rd or die "STDIN: $!";
 		open STDOUT, '>&', $_wr or die "STDOUT: $!";
-		exec $addr2line, '-e', $exe;
-		die "exec $addr2line -e $exe: $!";
+		exec @addr2line, '-e', $exe;
+		die "exec @addr2line -e $exe: $!";
 	}
 	$_rd = $_wr = undef;
 	$wr->autoflush(1);