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authorKhem Raj <raj.khem@gmail.com>2018-04-13 22:35:49 -0700
committerRichard Purdie <richard.purdie@linuxfoundation.org>2018-05-09 10:39:33 +0100
commitddfab4d021d4daa5aefcd9cdd89d349bbd4b6869 (patch)
treeae21646c5ae739784804201458ba0648116ea893 /meta/recipes-core/musl/libssp-nonshared
parent26a93d2bf7504bf5f3adb085ed2882ae1b1a3701 (diff)
downloadopenembedded-core-contrib-ddfab4d021d4daa5aefcd9cdd89d349bbd4b6869.tar.gz
libssp-nonshared: Add recipe
libssp-nonshared is a minimal gcc runtime piece which is needed on non-glibc systems which do implement libssp APIs in libc Use PIE flags to compile libssp_nonshared.a so it works with security flags on as well Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta/recipes-core/musl/libssp-nonshared')
-rw-r--r--meta/recipes-core/musl/libssp-nonshared/ssp-local.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/meta/recipes-core/musl/libssp-nonshared/ssp-local.c b/meta/recipes-core/musl/libssp-nonshared/ssp-local.c
new file mode 100644
index 0000000000..8f51afa2c1
--- /dev/null
+++ b/meta/recipes-core/musl/libssp-nonshared/ssp-local.c
@@ -0,0 +1,45 @@
+/* Stack protector support.
+ Copyright (C) 2005-2018 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+In addition to the permissions in the GNU General Public License, the
+Free Software Foundation gives you unlimited permission to link the
+compiled version of this file into combinations with other programs,
+and to distribute those combinations without any restriction coming
+from the use of this file. (The General Public License restrictions
+do apply in other respects; for example, they cover modification of
+the file, and distribution when not linked into a combine
+executable.)
+
+GCC is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+extern void __stack_chk_fail (void);
+
+/* Some targets can avoid loading a GP for calls to hidden functions.
+ Using this entry point may avoid the load of a GP entirely for the
+ function, making the overall code smaller. */
+
+void
+__attribute__((visibility ("hidden")))
+__stack_chk_fail_local (void)
+{
+ __stack_chk_fail ();
+}