From: Corinna Vinschen <corinna@vinschen.de>
Date: Thu, 2 Mar 2006 09:31:23 +0000 (+0000)
Subject: 	* mn10300-tdep.c (mn10300_push_dummy_call): Write breakpoint
X-Git-Tag: binutils-csl-2_17-branchpoint~134
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=a64ae7e0640900786fcb0d20c2c98372dd12a885;p=external%2Fbinutils.git

	* mn10300-tdep.c (mn10300_push_dummy_call): Write breakpoint
	address to MDR register.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 3fdd9a5..cbd4d1e 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2006-03-02  Corinna Vinschen  <vinschen@redhat.com>
+
+	* mn10300-tdep.c (mn10300_push_dummy_call): Write breakpoint
+	address to MDR register.
+
 2006-03-01  Daniel Jacobowitz  <dan@codesourcery.com>
 
 	* gdbtypes.c (lookup_struct_elt_type): Correct noerr for recursive
diff --git a/gdb/mn10300-tdep.c b/gdb/mn10300-tdep.c
index 47844d1..bc5e8d8 100644
--- a/gdb/mn10300-tdep.c
+++ b/gdb/mn10300-tdep.c
@@ -1055,6 +1055,11 @@ mn10300_push_dummy_call (struct gdbarch *gdbarch,
   /* Push the return address that contains the magic breakpoint.  */
   sp -= 4;
   write_memory_unsigned_integer (sp, push_size, bp_addr);
+
+  /* The CPU also writes the return address always into the
+     MDR register on "call".  */
+  regcache_cooked_write_unsigned (regcache, E_MDR_REGNUM, bp_addr);
+
   /* Update $sp.  */
   regcache_cooked_write_unsigned (regcache, E_SP_REGNUM, sp);
   return sp;