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75 lines
2.9 KiB
C
75 lines
2.9 KiB
C
/* fmtdy.h: DYLAN OBJECT FORMAT
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*
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* $Id$
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* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
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*/
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#ifndef fmtdy_h
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#define fmtdy_h
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#include "mps.h"
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/* Low-level routines, exposed here so that the with-header format
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* can use common code. */
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extern mps_res_t dylan_scan1(mps_ss_t, mps_addr_t *);
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extern mps_res_t dylan_scan1_weak(mps_ss_t, mps_addr_t *);
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/* Format */
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extern mps_fmt_A_s *dylan_fmt_A(void);
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extern mps_fmt_A_s *dylan_fmt_A_weak(void);
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extern mps_fmt_B_s *dylan_fmt_B(void);
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extern mps_fmt_B_s *dylan_fmt_B_weak(void);
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extern mps_res_t dylan_fmt(mps_fmt_t *, mps_arena_t);
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extern mps_res_t dylan_fmt_weak(mps_fmt_t *, mps_arena_t);
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extern mps_addr_t dylan_weak_dependent(mps_addr_t);
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extern mps_addr_t dylan_skip(mps_addr_t);
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extern void dylan_pad(mps_addr_t, size_t);
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extern mps_bool_t dylan_ispad(mps_addr_t);
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extern int dylan_wrapper_check(mps_word_t *);
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/* Constants describing wrappers. Used only for debugging / testing */
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#define WW 0 /* offset of Wrapper-Wrapper */
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#define WC 1 /* offset of Class pointer*/
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#define WM 2 /* offset of subtype Mask */
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#define WF 3 /* offset of Fixed part descriptor */
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#define WV 4 /* offset of Vector part descriptor */
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#define WS 5 /* offset of Size field for pattern vector */
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#define WP 6 /* offset of Pattern 0, if present */
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#define BASIC_WRAPPER_SIZE (WS + 1) /* size of wrapper with no patterns */
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#define ALIGN sizeof(mps_word_t) /* alignment for Dylan format */
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#endif /* fmtdy_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2020 Ravenbrook Limited <https://www.ravenbrook.com/>.
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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
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* distribution.
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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 AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* 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
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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