From 01d9ad14d45872a6f97b7ca0599603cec06e1c63 Mon Sep 17 00:00:00 2001
From: "H.J. Lu" <hjl.tools@gmail.com>
Date: Thu, 5 May 2005 16:40:11 +0000
Subject: [PATCH] bfd/

2005-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* elflink.c (_bfd_elf_provide_section_bound_symbols): Use
	"__bss_start" instead of "_edata" as fallback.

ld/

2005-05-05  H.J. Lu  <hongjiu.lu@intel.com>

	* scripttempl/elf.sc: Document the usage of __bss_start.
---
 bfd/ChangeLog         | 5 +++++
 bfd/elflink.c         | 4 ++--
 ld/ChangeLog          | 4 ++++
 ld/scripttempl/elf.sc | 2 ++
 4 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3856002a4f..a1c9e8c1af 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2005-05-05  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* elflink.c (_bfd_elf_provide_section_bound_symbols): Use
+	"__bss_start" instead of "_edata" as fallback.
+
 2005-05-05  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* bfd-in2.h: Regenerated.
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 833e1f44e5..abdf68dab8 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -9883,10 +9883,10 @@ _bfd_elf_provide_section_bound_symbols (struct bfd_link_info *info,
   else
     {
       /* We have to choose those values very carefully.  Some targets,
-	 like alpha, may have relocation overflow with 0. "_edata"
+	 like alpha, may have relocation overflow with 0. "__bss_start"
 	 should be defined in all cases.  */
       struct elf_link_hash_entry *h
-	= elf_link_hash_lookup (elf_hash_table (info), "_edata",
+	= elf_link_hash_lookup (elf_hash_table (info), "__bss_start",
 				FALSE, FALSE, FALSE);
       if (h != NULL && h->root.type == bfd_link_hash_defined)
 	start_val = h->root.u.def.value;
diff --git a/ld/ChangeLog b/ld/ChangeLog
index 8dd6a9e119..3304c08624 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,7 @@
+2005-05-05  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* scripttempl/elf.sc: Document the usage of __bss_start.
+
 2005-05-05  Paul Brook  <paul@codesourcery.com>
 
 	* Makefile.am: Add eelf_i386_vxworks.
diff --git a/ld/scripttempl/elf.sc b/ld/scripttempl/elf.sc
index cba97ebeb5..df79e7c43f 100644
--- a/ld/scripttempl/elf.sc
+++ b/ld/scripttempl/elf.sc
@@ -376,6 +376,8 @@ cat <<EOF
   ${SDATA}
   ${OTHER_SDATA_SECTIONS}
   ${RELOCATING+${DATA_END_SYMBOLS-_edata = .; PROVIDE (edata = .);}}
+  /* __bss_start is used by _bfd_elf_provide_section_bound_symbols in
+     elflink.c.  */
   ${RELOCATING+__bss_start = .;}
   ${RELOCATING+${OTHER_BSS_SYMBOLS}}
   ${SBSS}