0a6a1f1d05
This brings our tree to NetBSD 7.0, as found on -current on the 10-10-2015. This updates: - LLVM to 3.6.1 - GCC to GCC 5.1 - Replace minix/commands/zdump with usr.bin/zdump - external/bsd/libelf has moved to /external/bsd/elftoolchain/ - Import ctwm - Drop sprintf from libminc Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
67 lines
2.5 KiB
C
67 lines
2.5 KiB
C
/* $NetBSD: pax.h,v 1.16 2015/09/26 16:12:24 maxv Exp $ */
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/*-
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* Copyright (c) 2006 Elad Efrat <elad@NetBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_PAX_H_
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#define _SYS_PAX_H_
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#include <uvm/uvm_extern.h>
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#define P_PAX_ASLR 0x01 /* Enable ASLR */
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#define P_PAX_MPROTECT 0x02 /* Enable Mprotect */
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#define P_PAX_GUARD 0x04 /* Enable Segvguard */
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struct lwp;
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struct exec_package;
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struct vmspace;
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#ifdef PAX_ASLR
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/*
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* We stick this here because we need it in kern/exec_elf.c for now.
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*/
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#ifndef PAX_ASLR_DELTA_EXEC_LEN
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#define PAX_ASLR_DELTA_EXEC_LEN 12
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#endif
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#endif /* PAX_ASLR */
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void pax_init(void);
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void pax_setup_elf_flags(struct exec_package *, uint32_t);
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void pax_mprotect(struct lwp *, vm_prot_t *, vm_prot_t *);
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int pax_segvguard(struct lwp *, struct vnode *, const char *, bool);
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#define PAX_ASLR_DELTA(delta, lsb, len) \
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(((delta) & ((1UL << (len)) - 1)) << (lsb))
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bool pax_aslr_epp_active(struct exec_package *);
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bool pax_aslr_active(struct lwp *);
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void pax_aslr_init_vm(struct lwp *, struct vmspace *);
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void pax_aslr_stack(struct exec_package *, u_long *);
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void pax_aslr_mmap(struct lwp *, vaddr_t *, vaddr_t, int);
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#endif /* !_SYS_PAX_H_ */
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