diff options
Diffstat (limited to 'contrib/netbsd-tests/lib/libc/common/exec_prot.h')
-rw-r--r-- | contrib/netbsd-tests/lib/libc/common/exec_prot.h | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/contrib/netbsd-tests/lib/libc/common/exec_prot.h b/contrib/netbsd-tests/lib/libc/common/exec_prot.h new file mode 100644 index 0000000..6e17f97 --- /dev/null +++ b/contrib/netbsd-tests/lib/libc/common/exec_prot.h @@ -0,0 +1,61 @@ +/* $NetBSD: exec_prot.h,v 1.1 2011/07/18 23:16:11 jym Exp $ */ + +/*- + * Copyright (c) 2011 The NetBSD Foundation, Inc. + * All rights reserved. + * + * This code is derived from software contributed to The NetBSD Foundation + * by Jean-Yves Migeon. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR + * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _TESTS_EXEC_PROT_H_ +#define _TESTS_EXEC_PROT_H_ + +/* + * Prototype definitions of external helper functions for executable + * mapping tests. + */ + +/* + * Trivial MD shellcode that justs returns 1. + */ +int return_one(void); /* begin marker -- shellcode entry */ +int return_one_end(void); /* end marker */ + +/* + * MD callback to verify whether host offers executable space protection. + * Returns execute protection level. + */ +int exec_prot_support(void); + +/* execute protection level */ +enum { + NOTIMPL = -1, /* callback not implemented */ + NO_XP, /* no execute protection */ + PERPAGE_XP, /* per-page execute protection */ + PARTIAL_XP /* partial execute protection. Depending on where the + page is located in virtual memory, executable space + protection may be enforced or not. */ +}; +#endif |