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Provide a crypto_assembly.h internal header.

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This will contain defines and macros that we need for assembly code,
without polluting other headers that are primarily used for C code.

For now, this just unconditionally provides _CET_ENDBR on amd64.

ok kenjiro@ tb@
This commit is contained in:
jsing
2026-03-28 13:09:55 +00:00
parent cc88cbeddb
commit 8a6c24b7af
1 changed files with 30 additions and 0 deletions
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30
lib/libcrypto/crypto_assembly.h Normal file
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/* $OpenBSD: crypto_assembly.h,v 1.1 2026/03/28 13:09:55 jsing Exp $ */
/*
* Copyright (c) 2026 Joel Sing <jsing@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef HEADER_CRYPTO_ASSEMBLY_H
#define HEADER_CRYPTO_ASSEMBLY_H
/* Ensure _CET_ENDBR is always defined on amd64. */
#ifdef __amd64__
#ifdef __CET__
#include <cet.h>
#else
#define _CET_ENDBR
#endif
#endif
#endif