From: Michal Ludvig <mludvig@suse.cz>
Date: Thu, 7 Aug 2003 11:26:42 +0000 (+0000)
Subject: 2003-08-07  Michal Ludvig  <mludvig@suse.cz>
X-Git-Tag: ezannoni_pie-20030916-branchpoint~472
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=fd83badabb576ef0d2153334e0f1ab99500b6548;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 71d5b5c4561..146ae070de1 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.
 
 2003-08-05  Andrew Cagney  <cagney@redhat.com>
 
diff --git a/gdb/x86-64-tdep.c b/gdb/x86-64-tdep.c
index 2e682dc808a..29dca25c0db 100644
--- a/gdb/x86-64-tdep.c
+++ b/gdb/x86-64-tdep.c
@@ -613,6 +613,14 @@ 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];