From: Petr Machata <pmachata@redhat.com>
Date: Thu, 1 Oct 2009 16:25:13 +0000 (+0200)
Subject: Don't emit base address selection entry when it doesn't change base address
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=refs%2Fheads%2Fpmachata%2Fdwarf-writer;p=thirdparty%2Felfutils.git

Don't emit base address selection entry when it doesn't change base address
---

diff --git a/libdw/c++/emit-other.cc b/libdw/c++/emit-other.cc
index a626be5a7..8d0ac5a7c 100644
--- a/libdw/c++/emit-other.cc
+++ b/libdw/c++/emit-other.cc
@@ -123,8 +123,11 @@ dwarf_output::writer::output_debug_loc (section_appender &appender)
       // xxx When this is being fixed, duplicate selection has to take
       // base address into account.  So the set above will be set of
       // (location attr, base address) pairs.
-      write_form (inserter, DW_FORM_addr, (uint64_t)-1);
-      write_form (inserter, DW_FORM_addr, 0);
+      if (loc.begin ()->first.first > 0)
+	{
+	  write_form (inserter, DW_FORM_addr, (uint64_t)-1);
+	  write_form (inserter, DW_FORM_addr, 0);
+	}
 
       for (dwarf_output::location_attr::const_iterator jt = loc.begin ();
 	   jt != loc.end (); ++jt)