Add libsodium benchmark (#2025)

tests/benchmarks/libsodium/build.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+# Copyright (C) 2019 Intel Corporation.  All rights reserved.
+# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+
+libsodium_CASES="aead_aes256gcm2 aead_aes256gcm aead_chacha20poly13052 aead_chacha20poly1305 \
+                 aead_xchacha20poly1305 auth2 auth3 auth5 auth6 auth7 auth box2 box7 box8 \
+                 box_easy2 box_easy box_seal box_seed box chacha20 codecs core1 core2 core3 \
+                 core4 core5 core6 core_ed25519 core_ristretto255 ed25519_convert generichash2 \
+                 generichash3 generichash hash3 hash kdf keygen kx metamorphic misuse \
+                 onetimeauth2 onetimeauth7 onetimeauth pwhash_argon2id pwhash_argon2i \
+                 pwhash_scrypt_ll pwhash_scrypt randombytes scalarmult2 scalarmult5 \
+                 scalarmult6 scalarmult7 scalarmult8 scalarmult_ed25519 scalarmult_ristretto255 \
+                 scalarmult secretbox2 secretbox7 secretbox8 secretbox_easy2 secretbox_easy \
+                 secretbox secretstream shorthash sign siphashx24 sodium_core sodium_utils2 \
+                 sodium_utils3 sodium_utils sodium_version stream2 stream3 stream4 stream verify1 \
+                 xchacha20"
+
+readonly WAMRC_CMD=$PWD/../../../wamr-compiler/build/wamrc
+readonly OUT_DIR=$PWD/libsodium/zig-out/bin
+
+if [ ! -d libsodium ]; then
+    git clone -b stable https://github.com/jedisct1/libsodium.git
+fi
+
+cd libsodium
+
+echo "Build libsodium native"
+zig build -Drelease-fast -Denable_benchmarks=true
+
+echo "Build libsodium wasm32-wasi"
+zig build -Drelease-fast -Denable_benchmarks=true -Dtarget=wasm32-wasi
+
+for case in ${libsodium_CASES}
+do
+    ${WAMRC_CMD} -o ${OUT_DIR}/${case}.aot ${OUT_DIR}/${case}.wasm
+
+    if [ "$?" != 0 ]; then
+        echo -e "Error while compiling ${case}.wasm to ${case}.aot"
+        exit
+    fi
+done