better multimodules support for Rust backend

src/Makefile_wasm

@@ -4,7 +4,7 @@ SYSROOT = /opt/wasi-sdk/share/wasi-sysroot
 TARGET_TRIPLE = wasm32-unknown-wasi
 CFLAGS = -nostartfiles -fvisibility=hidden
 LDFLAGS = -Wl,--no-entry,--demangle,--allow-undefined
-EXPORT_FUNCS = --export=allocate,--export=deallocate,--export=invoke,--export=load,--export=store
+EXPORT_FUNCS = --export=allocate,--export=deallocate,--export=invoke,--export=load,--export=store,--export=redis_allocate,--export=redis_deallocate,--export=redis_invoke,--export=redis_load,--export=redis_store
 WRAPPER_SRC = wrapper.c
 LUA =/code/deps/lua/src
 REDIS_SERVER = adlist.c quicklist.c debug.c dict.c server.c sds.c zmalloc.c lzf_c.c lzf_d.c pqsort.c zipmap.c sha1.c ziplist.c release.c networking.c util.c object.c db.c t_string.c t_list.c t_set.c t_zset.c t_hash.c multi.c sort.c intset.c crc16.c endianconv.c slowlog.c scripting.c rand.c crc64.c bitops.c notify.c hyperloglog.c latency.c sparkline.c geo.c evict.c expire.c geohash.c geohash_helper.c defrag.c siphash.c rax.c t_stream.c listpack.c lolwut.c lolwut5.c ../deps/lua/src/*.c

src/wrapper.c

@@ -21,18 +21,34 @@ void* allocate(size_t size) {
     return zmalloc(size + 1);
 }
 
+void* redis_allocate(size_t size) {
+  return allocate(size);
+}
+
 void deallocate(void *ptr, int size) {
     zfree(ptr);
 }
 
+void redis_deallocate(void *ptr, int size) {
+    deallocate(ptr, size);
+}
+
 void store(char *ptr, unsigned char byte) {
     *ptr = byte;
 }
 
+void redis_store(char *ptr, unsigned char byte) {
+    store(ptr, byte);
+}
+
 unsigned char load(const unsigned char *ptr) {
     return *ptr;
 }
 
+unsigned char redis_load(const unsigned char *ptr) {
+    return load(ptr);
+}
+
 // Cleans client output buffers to - client is blocked and
 // doesn't receive requests until output buffer isn't empty.
 void clean_client_buffer(client *c) {
@@ -129,3 +145,7 @@ const char *invoke(char *request, int request_size) {
 
     return response;
 }
+
+const char *redis_invoke(char *request, int request_size) {
+  return invoke(request, request_size);
+}