From: Michal Ludvig <mludvig@suse.cz>
Date: Thu, 7 Aug 2003 11:21:58 +0000 (+0000)
Subject: 2003-08-07  Michal Ludvig  <mludvig@suse.cz>
X-Git-Tag: cagney_x86i386-20030821-branchpoint~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=f22992f1153f76c2bd54d7f0714d18352e5cd8c2;p=thirdparty%2Fbinutils-gdb.git

2003-08-07  Michal Ludvig  <mludvig@suse.cz>

	* x86-64-tdep.c (x86_64_push_arguments): Skip the red zone.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index e50192233f7..29591f7a4b1 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 2003-08-07  Michal Ludvig  <mludvig@suse.cz>
+
 	* x86-64-tdep.c (x86_64_dwarf_regmap): Correct register numbers.
+	(x86_64_push_arguments): Skip the red zone.
 		
 2003-08-04  Daniel Jacobowitz  <drow@mvista.com>
 
diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c
index 21a60f39b74..1d960a022f5 100644
--- a/gdb/x86-64-tdep.c
+++ b/gdb/x86-64-tdep.c
@@ -624,6 +624,14 @@ x86_64_push_arguments (struct regcache *regcache, int nargs,
   int stack_values_count = 0;
   int *stack_values;
   stack_values = alloca (nargs * sizeof (int));
+
+  /* Before storing anything to the stack we must skip
+     the "Red zone" (see the "Function calling sequence" section
+     of AMD64 ABI).
+     It could have already been skipped in the function's
+     prologue, but we don't care and will easily skip it once again.  */
+  sp -= 128;
+
   for (i = 0; i < nargs; i++)
     {
       enum x86_64_reg_class class[MAX_CLASSES];