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libsodium Port Driver

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libsodium c_src libsodium_api_runtime.c
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c_src/libsodium_api_runtime.c 

// -*- mode: c; tab-width: 8; indent-tabs-mode: 1; st-rulers: [70] -*-

// vim: ts=8 sw=8 ft=c noet



#include "libsodium_api_runtime.h"



static void	LS_API_EXEC(runtime, has_neon);

static void	LS_API_EXEC(runtime, has_sse2);

static void	LS_API_EXEC(runtime, has_sse3);

static void	LS_API_EXEC(runtime, has_ssse3);

static void	LS_API_EXEC(runtime, has_sse41);

static void	LS_API_EXEC(runtime, has_avx);

static void	LS_API_EXEC(runtime, has_pclmul);

static void	LS_API_EXEC(runtime, has_aesni);



libsodium_function_t	libsodium_functions_runtime[] = {

	LS_API_R_ARG0(runtime, has_neon),

	LS_API_R_ARG0(runtime, has_sse2),

	LS_API_R_ARG0(runtime, has_sse3),

	LS_API_R_ARG0(runtime, has_ssse3),

	LS_API_R_ARG0(runtime, has_sse41),

	LS_API_R_ARG0(runtime, has_avx),

	LS_API_R_ARG0(runtime, has_pclmul),

	LS_API_R_ARG0(runtime, has_aesni),

	{NULL}

};



#define LS_API_RUNTIME_HAS(FEATURE, FILE, LINE)	\

	static void	\

	LS_API_EXEC(runtime, has_ ## FEATURE)	\

	{	\

		int r;	\

		r = sodium_runtime_has_ ## FEATURE ();	\

		ErlDrvTermData spec[] = {	\

			LS_RES_TAG(request),	\

			ERL_DRV_INT, (ErlDrvSInt)(r),	\

			ERL_DRV_TUPLE, 2	\

		};	\

		LS_RESPOND(request, spec, FILE, LINE);	\

	}



/* runtime_has_neon/0 */



LS_API_RUNTIME_HAS(neon, __FILE__, __LINE__);



/* runtime_has_sse2/0 */



LS_API_RUNTIME_HAS(sse2, __FILE__, __LINE__);



/* runtime_has_sse3/0 */



LS_API_RUNTIME_HAS(sse3, __FILE__, __LINE__);



/* runtime_has_ssse3/0 */



LS_API_RUNTIME_HAS(ssse3, __FILE__, __LINE__);



/* runtime_has_sse41/0 */



LS_API_RUNTIME_HAS(sse41, __FILE__, __LINE__);



/* runtime_has_avx/0 */



LS_API_RUNTIME_HAS(avx, __FILE__, __LINE__);



/* runtime_has_pclmul/0 */



LS_API_RUNTIME_HAS(pclmul, __FILE__, __LINE__);



/* runtime_has_aesni/0 */



LS_API_RUNTIME_HAS(aesni, __FILE__, __LINE__);