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80 lines
3.2 KiB
C
80 lines
3.2 KiB
C
/* prot.h: MEMORY PROTECTION INTERFACE
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*
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* $Id$
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* Copyright (c) 2014-2016 Ravenbrook Limited. See end of file for license.
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*
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* See <design/prot/> for the design of the generic interface including
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* the contracts for these functions.
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*
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* This interface has several different implementations, typically one
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* per platform, see <code/prot*.c> for the various implementations,
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* and <design/prot*> for the corresponding designs.
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*/
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#ifndef prot_h
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#define prot_h
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#include "mpmtypes.h"
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/* Protection Interface */
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extern void ProtSetup(void);
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extern Size ProtGranularity(void);
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extern void ProtSet(Addr base, Addr limit, AccessSet mode);
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extern void ProtSync(Arena arena);
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/* Mutator Fault Context */
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extern Bool ProtCanStepInstruction(MutatorFaultContext context);
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extern Res ProtStepInstruction(MutatorFaultContext context);
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extern Addr MutatorFaultContextSP(MutatorFaultContext mfc);
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extern Res MutatorFaultContextScan(ScanState ss, MutatorFaultContext mfc,
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mps_area_scan_t scan,
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void *closure);
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#endif /* prot_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2014-2016 Ravenbrook Limited <http://www.ravenbrook.com/>.
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* All rights reserved. This is an open source license. Contact
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* Ravenbrook for commercial licensing options.
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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 are
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* met:
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*
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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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*
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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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*
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* 3. Redistributions in any form must be accompanied by information on how
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* to obtain complete source code for this software and any accompanying
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* software that uses this software. The source code must either be
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* included in the distribution or be available for no more than the cost
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* of distribution plus a nominal fee, and must be freely redistributable
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* under reasonable conditions. For an executable file, complete source
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* code means the source code for all modules it contains. It does not
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* include source code for modules or files that typically accompany the
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* major components of the operating system on which the executable file
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* runs.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS AND CONTRIBUTORS 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
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY 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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