* ecoff.c (ecoff_symbol_clone_hook): New function.

	* ecoff.h (ecoff_symbol_clone_hook): Declare.
	* obj.h (struct format_ops): Add symbol_clone_hook.
	* config/obj-aout.c (aout_format_ops): Init new field.
	* config/obj-coff.c (coff_format_ops): Likewise.
	* config/obj-ecoff.c (ecoff_format_ops): Likewise.
	* config/obj-elf.c (elf_format_ops): Likewise.
	* config/obj-ecoff.h (obj_symbol_clone_hook): Define.
	* config/obj-multi.h (obj_symbol_clone_hook): Define.

9 files changed, 41 insertions, 7 deletions

diff --git a/gas/ChangeLog b/gas/ChangeLog
index ae6ceb8..3eb9ce0 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,5 +1,17 @@
 2009-11-02  Alan Modra  <amodra@bigpond.net.au>
 
+	* ecoff.c (ecoff_symbol_clone_hook): New function.
+	* ecoff.h (ecoff_symbol_clone_hook): Declare.
+	* obj.h (struct format_ops): Add symbol_clone_hook.
+	* config/obj-aout.c (aout_format_ops): Init new field.
+	* config/obj-coff.c (coff_format_ops): Likewise.
+	* config/obj-ecoff.c (ecoff_format_ops): Likewise.
+	* config/obj-elf.c (elf_format_ops): Likewise.
+	* config/obj-ecoff.h (obj_symbol_clone_hook): Define.
+	* config/obj-multi.h (obj_symbol_clone_hook): Define.
+
+2009-11-02  Alan Modra  <amodra@bigpond.net.au>
+
 	* messages.c (as_fatal): Apply 2001-01-15 change and followup
 	to second copy of function.
 
diff --git a/gas/config/obj-aout.c b/gas/config/obj-aout.c
index daba73d..c60cff1 100644
--- a/gas/config/obj-aout.c
+++ b/gas/config/obj-aout.c
@@ -310,7 +310,8 @@ const struct format_ops aout_format_ops =
   aout_pop_insert,
   0,	/* ecoff_set_ext.  */
   0,	/* read_begin_hook.  */
-  0 	/* symbol_new_hook.  */
+  0, 	/* symbol_new_hook.  */
+  0 	/* symbol_clone_hook.  */
 };
 
 const pseudo_typeS aout_pseudo_table[] =
diff --git a/gas/config/obj-coff.c b/gas/config/obj-coff.c
index 271b01e..d4fb10d 100644
--- a/gas/config/obj-coff.c
+++ b/gas/config/obj-coff.c
@@ -1930,5 +1930,6 @@ const struct format_ops coff_format_ops =
   coff_pop_insert,
   0,	/* ecoff_set_ext */
   coff_obj_read_begin_hook,
-  coff_obj_symbol_new_hook
+  coff_obj_symbol_new_hook,
+  coff_obj_symbol_clone_hook
 };
diff --git a/gas/config/obj-ecoff.c b/gas/config/obj-ecoff.c
index 5bee7ac..ad9f250 100644
--- a/gas/config/obj-ecoff.c
+++ b/gas/config/obj-ecoff.c
@@ -314,5 +314,6 @@ const struct format_ops ecoff_format_ops =
   ecoff_pop_insert,
   ecoff_set_ext,
   ecoff_read_begin_hook,
-  ecoff_symbol_new_hook
+  ecoff_symbol_new_hook,
+  ecoff_symbol_clone_hook
 };
diff --git a/gas/config/obj-ecoff.h b/gas/config/obj-ecoff.h
index fae84ae..1d93dd9 100644
--- a/gas/config/obj-ecoff.h
+++ b/gas/config/obj-ecoff.h
@@ -1,6 +1,6 @@
 /* ECOFF object file format header file.
    Copyright 1993, 1994, 1995, 1996, 1997, 1999, 2002, 2004, 2005,
-   2007 Free Software Foundation, Inc.
+   2007, 2009 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
    Written by Ian Lance Taylor <ian@cygnus.com>.
 
@@ -59,6 +59,7 @@ struct ecoff_sy_obj
 /* We use the ECOFF functions as our hooks.  */
 #define obj_read_begin_hook ecoff_read_begin_hook
 #define obj_symbol_new_hook ecoff_symbol_new_hook
+#define obj_symbol_clone_hook ecoff_symbol_clone_hook
 
 /* Record file switches in the ECOFF symbol table.  */
 #define obj_app_file(name, app) ecoff_new_file (name, app)
diff --git a/gas/config/obj-elf.c b/gas/config/obj-elf.c
index dfe7ce3..1cc11ec 100644
--- a/gas/config/obj-elf.c
+++ b/gas/config/obj-elf.c
@@ -2424,5 +2424,6 @@ const struct format_ops elf_format_ops =
   0,	/* ecoff_set_ext */
 #endif
   elf_obj_read_begin_hook,
-  elf_obj_symbol_new_hook
+  elf_obj_symbol_new_hook,
+  0
 };
diff --git a/gas/config/obj-multi.h b/gas/config/obj-multi.h
index fe3c3e7..b78e836 100644
--- a/gas/config/obj-multi.h
+++ b/gas/config/obj-multi.h
@@ -81,6 +81,11 @@
 	 ? (*this_format->symbol_new_hook) (S)		\
 	 : (void) 0)
 
+#define obj_symbol_clone_hook(N, O)			\
+	(this_format->symbol_clone_hook			\
+	 ? (*this_format->symbol_clone_hook) (N, O)	\
+	 : (void) 0)
+
 #define obj_sec_sym_ok_for_reloc(A)			\
 	(this_format->sec_sym_ok_for_reloc		\
 	 ? (*this_format->sec_sym_ok_for_reloc) (A)	\
diff --git a/gas/ecoff.c b/gas/ecoff.c
index a3413ca..f4e22ac 100644
--- a/gas/ecoff.c
+++ b/gas/ecoff.c
@@ -1506,6 +1506,16 @@ ecoff_symbol_new_hook (symbolS *symbolP)
   obj->ecoff_symbol = NULL;
   obj->ecoff_extern_size = 0;
 }
+
+void
+ecoff_symbol_clone_hook (symbolS *newsymP, symbolS *orgsymP)
+{
+  OBJ_SYMFIELD_TYPE *n, *o;
+
+  n = symbol_get_obj (newsymP);
+  o = symbol_get_obj (orgsymP);
+  memcpy (n, o, sizeof *n);
+}
 
 /* Add a page to a varray object.  */
 
diff --git a/gas/ecoff.h b/gas/ecoff.h
index 9830113..f4f8356 100644
--- a/gas/ecoff.h
+++ b/gas/ecoff.h
@@ -1,6 +1,6 @@
 /* ecoff.h -- header file for ECOFF debugging support
-   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2004, 2005, 2007
-   Free Software Foundation, Inc.
+   Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2003, 2004, 2005,
+   2007, 2009 Free Software Foundation, Inc.
    Contributed by Cygnus Support.
    Put together by Ian Lance Taylor <ian@cygnus.com>.
 
@@ -44,6 +44,8 @@ extern void ecoff_new_file (const char *, int);
    obj_symbol_new_hook.  */
 extern void ecoff_symbol_new_hook (symbolS *);
 
+extern void ecoff_symbol_clone_hook (symbolS *, symbolS *);
+
 /* This function should be called by the obj_frob_symbol hook.  */
 extern void ecoff_frob_symbol (symbolS *);