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37 lines
1004 B
C
37 lines
1004 B
C
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifdef FREEBL_NO_DEPEND
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#include "stubs.h"
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#endif
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/* This file holds useful functions and macros for crypto code. */
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#include "crypto_primitives.h"
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/*
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* FREEBL_HTONLL(x): swap bytes in a 64-bit integer.
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*/
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#if defined(__GNUC__) && (defined(__x86_64__) || defined(__x86_64))
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__inline__ PRUint64
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swap8b(PRUint64 value)
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{
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__asm__("bswapq %0"
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: "+r"(value));
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return (value);
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}
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#elif defined(IS_LITTLE_ENDIAN) && !defined(_MSC_VER) && !__has_builtin(__builtin_bswap64) && !((defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3))))
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PRUint64
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swap8b(PRUint64 x)
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{
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PRUint64 t1 = x;
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t1 = ((t1 & SHA_MASK8) << 8) | ((t1 >> 8) & SHA_MASK8);
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t1 = ((t1 & SHA_MASK16) << 16) | ((t1 >> 16) & SHA_MASK16);
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return (t1 >> 32) | (t1 << 32);
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}
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#endif
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