/usr/lib/ats-anairiats-0.2.11/prelude/SATS/memalign.sats is in ats-lang-anairiats 0.2.11-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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(* *)
(* Applied Type System *)
(* *)
(* Hongwei Xi *)
(* *)
(***********************************************************************)
(*
** ATS - Unleashing the Potential of Types!
** Copyright (C) 2002-2008 Hongwei Xi, Boston University
** All rights reserved
**
** ATS is free software; you can redistribute it and/or modify it under
** the terms of the GNU LESSER GENERAL PUBLIC LICENSE as published by the
** Free Software Foundation; either version 2.1, or (at your option) any
** later version.
**
** ATS is distributed in the hope that it will be useful, but WITHOUT ANY
** WARRANTY; without even the implied warranty of MERCHANTABILITY or
** FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
** for more details.
**
** You should have received a copy of the GNU General Public License
** along with ATS; see the file COPYING. If not, please write to the
** Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
** 02110-1301, USA.
*)
(* ****** ****** *)
(* author: Hongwei Xi (hwxi AT cs DOT bu DOT edu) *)
(* ****** ****** *)
#include "prelude/params.hats"
(* ****** ****** *)
#if VERBOSE_PRELUDE #then
#print "Loading [memalign.sats] starts!\n"
#endif // end of [VERBOSE_PRELUDE]
(* ****** ****** *)
#define ATS_STALOADFLAG 0 // HX: there no need for staloading
(* ****** ****** *)
(*
//
// HX-2011-09-20: do we need this?
//
stadef
align_int_int_bool
(sz:int, n:int) = n >= 0
stacst alignof_viewt0ype_int : viewt@ype -> int
stadef alignof = alignof_viewt0ype_int
praxi lemma_alignof_sizeof
{a:viewt@ype} (): [n:pos] MUL (n, alignof(a), sizeof(a))
// end of [lemma_alignof_sizeof]
*)
(* ****** ****** *)
//
// HX: [a] is aligned at [l]
// this needs support from the underlying C compiler
//
absprop ISALIGNED (a:t@ype+, l:addr)
//
(* ****** ****** *)
praxi
atview_isaligned
{a:viewt@ype} {l:addr} (pf: !a @ l): ISALIGNED (a?, l)
// end of [atview_isaligned]
(* ****** ****** *)
praxi
isaligned_sizeof {a:t@ype} {i:int} // HX: [i] is a constant
{l:addr} (pf: ISALIGNED (a, l)): ISALIGNED (a, l+i*sizeof(a))
// end of [isaligned_sizeof]
(* ****** ****** *)
(*
** MB: C99 (section 7.20.3.3)
*)
praxi
freebyte_gc_isaligned
{a:viewt@ype} {n:int} {l:addr} (
pf: !freebyte_gc_v (n, l)
) : ISALIGNED (a?, l) // end of [freebyte_gc_isaligned]
praxi
freebyte_ngc_isaligned
{a:viewt@ype} {n:int} {l:addr} (
pf: !freebyte_ngc_v (n, l)
) : ISALIGNED (a?, l) // end of [freebyte_ngc_isaligned]
(* ****** ****** *)
(*
** MB: C99 (section 6.2.5-6)
*)
praxi
memalign_signed_unsigned_int {l:addr}
(pf: ISALIGNED (int?, l)): ISALIGNED (uint, l)
praxi
memalign_signed_unsigned_int8 {l:addr}
(pf: ISALIGNED (int8?, l)): ISALIGNED (uint8, l)
praxi
memalign_signed_unsigned_int16 {l:addr}
(pf: ISALIGNED (int16?, l)): ISALIGNED (uint16, l)
praxi
memalign_signed_unsigned_int32 {l:addr}
(pf: ISALIGNED (int32?, l)): ISALIGNED (uint32, l)
praxi
memalign_signed_unsigned_int64 {l:addr}
(pf: ISALIGNED (int64?, l)): ISALIGNED (uint64, l)
(* ****** ****** *)
praxi
memalign_signed_unsigned_uint {l:addr}
(pf: ISALIGNED (uint?, l)): ISALIGNED (int, l)
praxi
memalign_signed_unsigned_uint8 {l:addr}
(pf: ISALIGNED (uint8?, l)): ISALIGNED (int8, l)
praxi
memalign_signed_unsigned_uint16 {l:addr}
(pf: ISALIGNED (uint16?, l)): ISALIGNED (int16, l)
praxi
memalign_signed_unsigned_uint32 {l:addr}
(pf: ISALIGNED (uint32?, l)): ISALIGNED (int32, l)
praxi
memalign_signed_unsigned_uint64 {l:addr}
(pf: ISALIGNED (uint64?, l)): ISALIGNED (int64, l)
(* ****** ****** *)
praxi ptr_of_b0ytes_v
{a:viewt@ype} {l:addr}
(pf1: ISALIGNED (a?, l), pf2: b0ytes (sizeof a) @ l):<prf> a? @ l
// end of [ptr_of_b0ytes_v]
(* ****** ****** *)
prfun ptr_view_conversion
{a1,a2:viewt@ype | sizeof a1 == sizeof a2} {l:addr}
(pf1: ISALIGNED (a2?, l), pf2: !a1? @ l >> a2? @ l):<prf> void
// end of [ptr_view_conversion]
(* ****** ****** *)
#if VERBOSE_PRELUDE #then
#print "Loading [memalign.sats] finishes!\n"
#endif // end of [VERBOSE_PRELUDE]
(* end of [memalign.sats] *)
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