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[ARM,MIPS] Define DEFAULT_STACK_PERMS
- From: "Joseph S. Myers" <joseph at codesourcery dot com>
- To: libc-ports at sourceware dot org
- Date: Tue, 21 Dec 2010 00:41:41 +0000 (UTC)
- Subject: [ARM,MIPS] Define DEFAULT_STACK_PERMS
This patch updates the ARM and MIPS ports in line with a recent libc
change, defining DEFAULT_STACK_PERMS in stackinfo.h. Other ports will
need similar updates.
diff --git a/ChangeLog.arm b/ChangeLog.arm
index 693d1e7..d02f269 100644
--- a/ChangeLog.arm
+++ b/ChangeLog.arm
@@ -1,3 +1,7 @@
+2010-12-21 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/arm/stackinfo.h: Define DEFAULT_STACK_PERMS with PF_X.
+
2010-11-24 Ken Werner <ken.werner@de.ibm.com>
* sysdeps/unix/sysv/linux/arm/nptl/bits/atomic.h (atomic_full_barrier,
diff --git a/ChangeLog.mips b/ChangeLog.mips
index d7965e9..a52a7fd 100644
--- a/ChangeLog.mips
+++ b/ChangeLog.mips
@@ -1,3 +1,7 @@
+2010-12-21 Joseph Myers <joseph@codesourcery.com>
+
+ * sysdeps/mips/stackinfo.h: Define DEFAULT_STACK_PERMS with PF_X.
+
2010-12-06 Matt Turner <mattst88@gmail.com>
* sysdeps/unix/sysv/linux/mips/getpagesize.c: Delete file.
diff --git a/sysdeps/arm/stackinfo.h b/sysdeps/arm/stackinfo.h
index 2410ba9..3f94ddf 100644
--- a/sysdeps/arm/stackinfo.h
+++ b/sysdeps/arm/stackinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2001 Free Software Foundation, Inc.
+/* Copyright (C) 2001, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,7 +22,13 @@
#ifndef _STACKINFO_H
#define _STACKINFO_H 1
+#include <elf.h>
+
/* On Arm the stack grows down. */
#define _STACK_GROWS_DOWN 1
+/* Default to an executable stack. PF_X can be overridden if PT_GNU_STACK is
+ * present, but it is presumed absent. */
+#define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X)
+
#endif /* stackinfo.h */
diff --git a/sysdeps/mips/stackinfo.h b/sysdeps/mips/stackinfo.h
index 86e3d62..7a5e3e0 100644
--- a/sysdeps/mips/stackinfo.h
+++ b/sysdeps/mips/stackinfo.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000 Free Software Foundation, Inc.
+/* Copyright (C) 2000, 2010 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -22,7 +22,13 @@
#ifndef _STACKINFO_H
#define _STACKINFO_H 1
+#include <elf.h>
+
/* On MIPS the stack grows down. */
#define _STACK_GROWS_DOWN 1
+/* Default to an executable stack. PF_X can be overridden if PT_GNU_STACK is
+ * present, but it is presumed absent. */
+#define DEFAULT_STACK_PERMS (PF_R|PF_W|PF_X)
+
#endif /* stackinfo.h */
--
Joseph S. Myers
joseph@codesourcery.com