From: Nicholas Nethercote <njn@valgrind.org>
Date: Mon, 25 May 2009 01:48:32 +0000 (+0000)
Subject: DARWIN sync: add a comment.
X-Git-Tag: svn/VALGRIND_3_5_0~606
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=f7b44686d5832b939b79a512fcdae4922558f31f;p=thirdparty%2Fvalgrind.git

DARWIN sync: add a comment.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@10149
---

diff --git a/coregrind/m_debuginfo/priv_storage.h b/coregrind/m_debuginfo/priv_storage.h
index 50abe79120..9749b24729 100644
--- a/coregrind/m_debuginfo/priv_storage.h
+++ b/coregrind/m_debuginfo/priv_storage.h
@@ -51,6 +51,10 @@ typedef
       Addr  addr;   /* lowest address of entity */
       Addr  tocptr; /* ppc64-linux only: value that R2 should have */
       UChar *name;  /* name */
+      // XXX: this could be shrunk (on 32-bit platforms) by using 31 bits for
+      // the size and 1 bit for the isText.  If you do this, make sure that
+      // all assignments to isText use 0 or 1 (or True or False), and that a
+      // positive number larger than 1 is never used to represent True.
       UInt  size;   /* size in bytes */
       Bool  isText;
    }