add a validator for aot module (#3995)

- Add AOT module validation to ensure memory constraints are met
- Enable AOT validator in build configuration and update related source files

core/iwasm/aot/aot_loader.c

@@ -10,6 +10,9 @@
 #include "../common/wasm_native.h"
 #include "../common/wasm_loader_common.h"
 #include "../compilation/aot.h"
+#if WASM_ENABLE_AOT_VALIDATOR != 0
+#include "aot_validator.h"
+#endif
 
 #if WASM_ENABLE_DEBUG_AOT != 0
 #include "debug/elf_parser.h"
@@ -1106,9 +1109,6 @@ load_memory_info(const uint8 **p_buf, const uint8 *buf_end, AOTModule *module,
     const uint8 *buf = *p_buf;
 
     read_uint32(buf, buf_end, module->import_memory_count);
-    /* We don't support import_memory_count > 0 currently */
-    if (module->import_memory_count > 0)
-        return false;
 
     read_uint32(buf, buf_end, module->memory_count);
     total_size = sizeof(AOTMemory) * (uint64)module->memory_count;
@@ -4403,6 +4403,13 @@ aot_load_from_aot_file(const uint8 *buf, uint32 size, const LoadArgs *args,
     os_thread_jit_write_protect_np(true); /* Make memory executable */
     os_icache_flush(module->code, module->code_size);
 
+#if WASM_ENABLE_AOT_VALIDATOR != 0
+    if (!aot_module_validate(module, error_buf, error_buf_size)) {
+        aot_unload(module);
+        return NULL;
+    }
+#endif /* WASM_ENABLE_AOT_VALIDATOR != 0 */
+
     LOG_VERBOSE("Load module success.\n");
     return module;
 }