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2493f121dc
Call Describe functions from test cases so that we get coverage. Copied from Perforce Change: 186000 ServerID: perforce.ravenbrook.com
92 lines
4.1 KiB
C
92 lines
4.1 KiB
C
/* nailboard.h: NAILBOARD INTERFACE
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*
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* $Id$
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* Copyright (c) 2014 Ravenbrook Limited. See end of file for license.
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*
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* .source: <design/nailboard/>.
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*/
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#ifndef nailboard_h
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#define nailboard_h
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#include "mpmtypes.h"
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#include "range.h"
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typedef struct NailboardStruct *Nailboard;
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/* NOTE: we could reduce the size of this structure using bitfields.
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* levels can be at most MPS_WORD_WIDTH / LEVEL_SHIFT + 1, which is 11
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* on 64-bit, so it would fit in 4 bits. (Or it could be recalculated
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* from range each time it's needed.) alignShift is at most
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* MPS_WORD_SHIFT so would fit in 3 bits. (Or it could be supplied in
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* each function call by the owner.) newNails would fit in 1 bit.
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*/
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typedef struct NailboardStruct {
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Sig sig;
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RangeStruct range; /* range of addresses covered by nailboard */
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Count levels; /* number of levels */
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Shift alignShift; /* shift due to address alignment */
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Bool newNails; /* set to TRUE if a new nail is set */
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BT level[1]; /* bit tables for each level */
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} NailboardStruct;
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#define NailboardSig ((Sig)0x5194A17B) /* SIGnature NAILBoard */
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#define NailboardClearNewNails(board) ((board)->newNails = FALSE)
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#define NailboardNewNails(board) RVALUE((board)->newNails)
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extern Bool NailboardCheck(Nailboard board);
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extern Res NailboardCreate(Nailboard *boardReturn, Arena arena, Align alignment, Addr base, Addr limit);
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extern void NailboardDestroy(Nailboard board, Arena arena);
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extern void (NailboardClearNewNails)(Nailboard board);
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extern Bool (NailboardNewNails)(Nailboard board);
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extern Bool NailboardGet(Nailboard board, Addr addr);
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extern Bool NailboardSet(Nailboard board, Addr addr);
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extern void NailboardSetRange(Nailboard board, Addr base, Addr limit);
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extern Bool NailboardIsSetRange(Nailboard board, Addr base, Addr limit);
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extern Bool NailboardIsResRange(Nailboard board, Addr base, Addr limit);
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extern Res NailboardDescribe(Nailboard board, mps_lib_FILE *stream, Count depth);
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#endif /* nailboard.h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2014 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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