Add support for WebAssembly Micro Runtime (WAMR). (#142)

Fixes #134.

Signed-off-by: Le Yao <le.yao@intel.com>
Co-authored-by: Liang He <liang.he@intel.com>

BUILD

@@ -23,8 +23,9 @@ cc_library(
             "src/**/*.h",
         ],
         exclude = [
-            "src/**/wavm*",
             "src/**/v8*",
+            "src/**/wamr*",
+            "src/**/wavm*",
         ],
     ),
     hdrs = glob(["src/**/*.h"]),

WORKSPACE

@@ -7,3 +7,7 @@ proxy_wasm_cpp_host_repositories()
 load("@proxy_wasm_cpp_host//bazel:dependencies.bzl", "proxy_wasm_cpp_host_dependencies")
 
 proxy_wasm_cpp_host_dependencies()
+
+load("@rules_foreign_cc//foreign_cc:repositories.bzl", "rules_foreign_cc_dependencies")
+
+rules_foreign_cc_dependencies()

bazel/external/wamr.BUILD

@@ -0,0 +1,25 @@
+licenses(["notice"])  # Apache 2
+
+load("@rules_foreign_cc//foreign_cc:defs.bzl", "cmake")
+
+package(default_visibility = ["//visibility:public"])
+
+filegroup(
+    name = "srcs",
+    srcs = glob(["**"]),
+    visibility = ["//visibility:public"],
+)
+
+cmake(
+    name = "libiwasm",
+    cache_entries = {
+        "WAMR_BUILD_INTERP": "1",
+        "WAMR_BUILD_JIT": "0",
+        "WAMR_BUILD_AOT": "0",
+        "WAMR_BUILD_SIMD": "0",
+        "WAMR_BUILD_MULTI_MODULE": "1",
+        "WAMR_BUILD_LIBC_WASI": "0",
+    },
+    lib_source = ":srcs",
+    out_shared_libs = ["libiwasm.so"],
+)

bazel/repositories.bzl

@@ -36,6 +36,14 @@ def proxy_wasm_cpp_host_repositories():
         urls = ["https://github.com/google/googletest/archive/release-1.10.0.tar.gz"],
     )
 
+    http_archive(
+        name = "wamr",
+        build_file = "@proxy_wasm_cpp_host//bazel/external:wamr.BUILD",
+        sha256 = "1d870f396bb6bdcb5c816326655b19a2877bbdf879255c335b8e84ce4ee37780",
+        strip_prefix = "wasm-micro-runtime-9710d9325f426121cc1f2c62386a71d0c022d613",
+        url = "https://github.com/bytecodealliance/wasm-micro-runtime/archive/9710d9325f426121cc1f2c62386a71d0c022d613.tar.gz",
+    )
+
     http_archive(
         name = "wasmtime",
         build_file = "@proxy_wasm_cpp_host//bazel/external:wasmtime.BUILD",
@@ -65,3 +73,10 @@ def proxy_wasm_cpp_host_repositories():
         strip_prefix = "protobuf-655310ca192a6e3a050e0ca0b7084a2968072260",
         url = "https://github.com/protocolbuffers/protobuf/archive/655310ca192a6e3a050e0ca0b7084a2968072260.tar.gz",
     )
+
+    http_archive(
+        name = "rules_foreign_cc",
+        sha256 = "d54742ffbdc6924f222d2179f0e10e911c5c659c4ae74158e9fe827aad862ac6",
+        strip_prefix = "rules_foreign_cc-0.2.0",
+        url = "https://github.com/bazelbuild/rules_foreign_cc/archive/0.2.0.tar.gz",
+    )

include/proxy-wasm/wamr.h

@@ -0,0 +1,26 @@
+// Copyright 2016-2019 Envoy Project Authors
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#pragma once
+
+#include <memory>
+
+#include "include/proxy-wasm/wasm_vm.h"
+
+namespace proxy_wasm {
+
+std::unique_ptr<WasmVm> createWamrVm();
+
+} // namespace proxy_wasm

src/wamr/types.h

@@ -0,0 +1,45 @@
+// Copyright 2020 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "src/common/types.h"
+#include "wasm_c_api.h"
+
+namespace proxy_wasm {
+namespace wamr {
+
+using WasmEnginePtr = common::CSmartPtr<wasm_engine_t, wasm_engine_delete>;
+using WasmFuncPtr = common::CSmartPtr<wasm_func_t, wasm_func_delete>;
+using WasmStorePtr = common::CSmartPtr<wasm_store_t, wasm_store_delete>;
+using WasmModulePtr = common::CSmartPtr<wasm_module_t, wasm_module_delete>;
+using WasmMemoryPtr = common::CSmartPtr<wasm_memory_t, wasm_memory_delete>;
+using WasmTablePtr = common::CSmartPtr<wasm_table_t, wasm_table_delete>;
+using WasmInstancePtr = common::CSmartPtr<wasm_instance_t, wasm_instance_delete>;
+using WasmFunctypePtr = common::CSmartPtr<wasm_functype_t, wasm_functype_delete>;
+using WasmTrapPtr = common::CSmartPtr<wasm_trap_t, wasm_trap_delete>;
+using WasmExternPtr = common::CSmartPtr<wasm_extern_t, wasm_extern_delete>;
+
+using WasmByteVec =
+    common::CSmartType<wasm_byte_vec_t, wasm_byte_vec_new_empty, wasm_byte_vec_delete>;
+using WasmImporttypeVec = common::CSmartType<wasm_importtype_vec_t, wasm_importtype_vec_new_empty,
+                                             wasm_importtype_vec_delete>;
+using WasmExportTypeVec = common::CSmartType<wasm_exporttype_vec_t, wasm_exporttype_vec_new_empty,
+                                             wasm_exporttype_vec_delete>;
+using WasmExternVec =
+    common::CSmartType<wasm_extern_vec_t, wasm_extern_vec_new_empty, wasm_extern_vec_delete>;
+using WasmValtypeVec =
+    common::CSmartType<wasm_valtype_vec_t, wasm_valtype_vec_new_empty, wasm_valtype_vec_delete>;
+
+} // namespace wamr
+
+} // namespace proxy_wasm