From: Hans-Peter Nilsson <hp@axis.com>
Date: Wed, 21 Jun 2006 02:53:43 +0000 (+0000)
Subject: 	* emultempl/mmo.em: Improve comments.  Explain why there's
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=a4308b792c484d8591846e1ee1850d62739aba3e;p=deliverable%2Fbinutils-gdb.git

	* emultempl/mmo.em: Improve comments.  Explain why there's
	ELF-stuff here.
---

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 73d23577c9..836a73b1c6 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,8 @@
+2006-06-21  Hans-Peter Nilsson  <hp@bitrange.com>
+
+	* emultempl/mmo.em: Improve comments.  Explain why there's
+	ELF-stuff here.
+
 2006-06-21  Alan Modra  <amodra@bigpond.net.au>
 
 	* emultempl/elf-generic.em (gld${EMULATION_NAME}_map_segments): Limit
diff --git a/ld/emultempl/mmo.em b/ld/emultempl/mmo.em
index 3bf1c5b8a8..11475751da 100644
--- a/ld/emultempl/mmo.em
+++ b/ld/emultempl/mmo.em
@@ -1,5 +1,5 @@
 # This shell script emits a C file. -*- C -*-
-#   Copyright 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+#   Copyright 2001, 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
 #
 # This file is part of GLD, the Gnu Linker.
 #
@@ -18,14 +18,20 @@
 # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
 #
 
-# This file is sourced from generic.em
+# This file is sourced from generic.em.
 
 cat >>e${EMULATION_NAME}.c <<EOF
-/* Need to have this define before mmix-elfnmmo, which includes
-   needrelax.em which uses this name for the before_allocation function,
-   normally defined in elf32.em.  */
+/* Need to have this macro defined before mmix-elfnmmo, which uses the
+   name for the before_allocation function, defined in ldemul.c (for
+   the mmo "emulation") or in elf32.em (for the elf64mmix
+   "emulation").  */
 #define gldmmo_before_allocation before_allocation_default
 
+/* We include this header *not* because we expect to handle ELF here
+   but because we re-use the map_segments function in elf-generic.em,
+   a file which is rightly somewhat ELF-centric.  But this is only to
+   get a weird testcase right; ld-mmix/bpo-22, forcing ELF to be
+   output from the mmo emulation: -m mmo --oformat elf64-mmix!  */
 #include "elf-bfd.h"
 EOF