wasm-micro-runtime/core/iwasm/common/wasm_runtime_common.c

/*
 * Copyright (C) 2019 Intel Corporation.  All rights reserved.
 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 */

#include "bh_platform.h"
#include "bh_common.h"
#include "bh_assert.h"
#include "bh_log.h"
#include "wasm_runtime_common.h"
#include "wasm_memory.h"
#if WASM_ENABLE_INTERP != 0
#include "../interpreter/wasm_runtime.h"
#endif
#if WASM_ENABLE_AOT != 0
#include "../aot/aot_runtime.h"
#if WASM_ENABLE_DEBUG_AOT != 0
#include "../aot/debug/jit_debug.h"
#endif
#endif
#if WASM_ENABLE_THREAD_MGR != 0
#include "../libraries/thread-mgr/thread_manager.h"
#if WASM_ENABLE_DEBUG_INTERP != 0
#include "../libraries/debug-engine/debug_engine.h"
#endif
#endif
#if WASM_ENABLE_SHARED_MEMORY != 0
#include "wasm_shared_memory.h"
#endif
#if WASM_ENABLE_FAST_JIT != 0
#include "../fast-jit/jit_compiler.h"
#endif
#if WASM_ENABLE_JIT != 0 || WASM_ENABLE_WAMR_COMPILER != 0
#include "../compilation/aot_llvm.h"
#endif
#include "../common/wasm_c_api_internal.h"
#include "../../version.h"

/**
 * For runtime build, BH_MALLOC/BH_FREE should be defined as
 * wasm_runtime_malloc/wasm_runtime_free.
 */
#define CHECK(a) CHECK1(a)
#define CHECK1(a) SHOULD_BE_##a

#define SHOULD_BE_wasm_runtime_malloc 1
#if !CHECK(BH_MALLOC)
#error unexpected BH_MALLOC
#endif
#undef SHOULD_BE_wasm_runtime_malloc

#define SHOULD_BE_wasm_runtime_free 1
#if !CHECK(BH_FREE)
#error unexpected BH_FREE
#endif
#undef SHOULD_BE_wasm_runtime_free

#undef CHECK
#undef CHECK1

#if WASM_ENABLE_MULTI_MODULE != 0
/**
 * A safety insurance to prevent
 * circular depencies which leads stack overflow
 * try to break early
 */
typedef struct LoadingModule {
    bh_list_link l;
    /* point to a string pool */
    const char *module_name;
} LoadingModule;

static bh_list loading_module_list_head;
static bh_list *const loading_module_list = &loading_module_list_head;
static korp_mutex loading_module_list_lock;

/**
 * A list to store all exported functions/globals/memories/tables
 * of every fully loaded module
 */
static bh_list registered_module_list_head;
static bh_list *const registered_module_list = &registered_module_list_head;
static korp_mutex registered_module_list_lock;
static void
wasm_runtime_destroy_registered_module_list();
#endif /* WASM_ENABLE_MULTI_MODULE */

#define E_TYPE_XIP 4

#if WASM_ENABLE_REF_TYPES != 0
/* Initialize externref hashmap */
static bool
wasm_externref_map_init();

/* Destroy externref hashmap */
static void
wasm_externref_map_destroy();
#endif /* WASM_ENABLE_REF_TYPES */

static void
set_error_buf(char *error_buf, uint32 error_buf_size, const char *string)
{
    if (error_buf != NULL)
        snprintf(error_buf, error_buf_size, "%s", string);
}

static void *
runtime_malloc(uint64 size, WASMModuleInstanceCommon *module_inst,
               char *error_buf, uint32 error_buf_size)
{
    void *mem;

    if (size >= UINT32_MAX || !(mem = wasm_runtime_malloc((uint32)size))) {
        if (module_inst != NULL) {
            wasm_runtime_set_exception(module_inst, "allocate memory failed");
        }
        else if (error_buf != NULL) {
            set_error_buf(error_buf, error_buf_size, "allocate memory failed");
        }
        return NULL;
    }

    memset(mem, 0, (uint32)size);
    return mem;
}

#if WASM_ENABLE_FAST_JIT != 0
static JitCompOptions jit_options = { 0 };
#endif

#ifdef OS_ENABLE_HW_BOUND_CHECK
/* The exec_env of thread local storage, set before calling function
   and used in signal handler, as we cannot get it from the argument
   of signal handler */
static os_thread_local_attribute WASMExecEnv *exec_env_tls = NULL;

#ifndef BH_PLATFORM_WINDOWS
static void
runtime_signal_handler(void *sig_addr)
{
    WASMModuleInstance *module_inst;
    WASMMemoryInstance *memory_inst;
    WASMJmpBuf *jmpbuf_node;
    uint8 *mapped_mem_start_addr = NULL;
    uint8 *mapped_mem_end_addr = NULL;
#if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
    uint8 *stack_min_addr;
    uint32 page_size;
    uint32 guard_page_count = STACK_OVERFLOW_CHECK_GUARD_PAGE_COUNT;
#endif

    /* Check whether current thread is running wasm function */
    if (exec_env_tls && exec_env_tls->handle == os_self_thread()
        && (jmpbuf_node = exec_env_tls->jmpbuf_stack_top)) {
        /* Get mapped mem info of current instance */
        module_inst = (WASMModuleInstance *)exec_env_tls->module_inst;
        /* Get the default memory instance */
        memory_inst = wasm_get_default_memory(module_inst);
        if (memory_inst) {
            mapped_mem_start_addr = memory_inst->memory_data;
            mapped_mem_end_addr = memory_inst->memory_data + 8 * (uint64)BH_GB;
        }

#if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
        /* Get stack info of current thread */
        page_size = os_getpagesize();
        stack_min_addr = os_thread_get_stack_boundary();
#endif

        if (memory_inst
            && (mapped_mem_start_addr <= (uint8 *)sig_addr
                && (uint8 *)sig_addr < mapped_mem_end_addr)) {
            /* The address which causes segmentation fault is inside
               the memory instance's guard regions */
            wasm_set_exception(module_inst, "out of bounds memory access");
            os_longjmp(jmpbuf_node->jmpbuf, 1);
        }
#if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
        else if (stack_min_addr - page_size <= (uint8 *)sig_addr
                 && (uint8 *)sig_addr
                        < stack_min_addr + page_size * guard_page_count) {
            /* The address which causes segmentation fault is inside
               native thread's guard page */
            wasm_set_exception(module_inst, "native stack overflow");
            os_longjmp(jmpbuf_node->jmpbuf, 1);
        }
#endif
    }
}
#else
static LONG
runtime_exception_handler(EXCEPTION_POINTERS *exce_info)
{
    PEXCEPTION_RECORD ExceptionRecord = exce_info->ExceptionRecord;
    uint8 *sig_addr = (uint8 *)ExceptionRecord->ExceptionInformation[1];
    WASMModuleInstance *module_inst;
    WASMMemoryInstance *memory_inst;
    WASMJmpBuf *jmpbuf_node;
    uint8 *mapped_mem_start_addr = NULL;
    uint8 *mapped_mem_end_addr = NULL;
    uint32 page_size = os_getpagesize();

    if (exec_env_tls && exec_env_tls->handle == os_self_thread()
        && (jmpbuf_node = exec_env_tls->jmpbuf_stack_top)) {
        module_inst = (WASMModuleInstance *)exec_env_tls->module_inst;
        if (ExceptionRecord->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) {
            /* Get the default memory instance */
            memory_inst = wasm_get_default_memory(module_inst);
            if (memory_inst) {
                mapped_mem_start_addr = memory_inst->memory_data;
                mapped_mem_end_addr =
                    memory_inst->memory_data + 8 * (uint64)BH_GB;
                if (mapped_mem_start_addr <= (uint8 *)sig_addr
                    && (uint8 *)sig_addr < mapped_mem_end_addr) {
                    /* The address which causes segmentation fault is inside
                       the memory instance's guard regions.
                       Set exception and let the wasm func continue to run, when
                       the wasm func returns, the caller will check whether the
                       exception is thrown and return to runtime. */
                    wasm_set_exception(module_inst,
                                       "out of bounds memory access");
                    if (module_inst->module_type == Wasm_Module_Bytecode) {
                        /* Continue to search next exception handler for
                           interpreter mode as it can be caught by
                           `__try { .. } __except { .. }` sentences in
                           wasm_runtime.c */
                        return EXCEPTION_CONTINUE_SEARCH;
                    }
                    else {
                        /* Skip current instruction and continue to run for
                           AOT mode. TODO: implement unwind support for AOT
                           code in Windows platform */
                        exce_info->ContextRecord->Rip++;
                        return EXCEPTION_CONTINUE_EXECUTION;
                    }
                }
            }
        }
#if WASM_DISABLE_STACK_HW_BOUND_CHECK == 0
        else if (ExceptionRecord->ExceptionCode == EXCEPTION_STACK_OVERFLOW) {
            /* Set stack overflow exception and let the wasm func continue
               to run, when the wasm func returns, the caller will check
               whether the exception is thrown and return to runtime, and
               the damaged stack will be recovered by _resetstkoflw(). */
            wasm_set_exception(module_inst, "native stack overflow");
            if (module_inst->module_type == Wasm_Module_Bytecode) {
                return EXCEPTION_CONTINUE_SEARCH;
            }
            else {
                return EXCEPTION_CONTINUE_EXECUTION;
            }
        }
#endif
    }

    os_printf("Unhandled exception thrown:  exception code: 0x%lx, "
              "exception address: %p, exception information: %p\n",
              ExceptionRecord->ExceptionCode, ExceptionRecord->ExceptionAddress,
              sig_addr);
    return EXCEPTION_CONTINUE_SEARCH;
}
#endif /* end of BH_PLATFORM_WINDOWS */

static bool
runtime_signal_init()
{
#ifndef BH_PLATFORM_WINDOWS
    return os_thread_signal_init(runtime_signal_handler) == 0 ? true : false;
#else
    if (os_thread_signal_init() != 0)
        return false;

    if (!AddVectoredExceptionHandler(1, runtime_exception_handler)) {
        os_thread_signal_destroy();
        return false;
    }
#endif
    return true;
}

static void
runtime_signal_destroy()
{
#ifdef BH_PLATFORM_WINDOWS
    RemoveVectoredExceptionHandler(runtime_exception_handler);
#endif
    os_thread_signal_destroy();
}

void
wasm_runtime_set_exec_env_tls(WASMExecEnv *exec_env)
{
    exec_env_tls = exec_env;
}

WASMExecEnv *
wasm_runtime_get_exec_env_tls()
{
    return exec_env_tls;
}
#endif /* end of OS_ENABLE_HW_BOUND_CHECK */

static bool
wasm_runtime_env_init()
{
    if (bh_platform_init() != 0)
        return false;

    if (wasm_native_init() == false) {
        goto fail1;
    }

#if WASM_ENABLE_MULTI_MODULE
    if (BHT_OK != os_mutex_init(&registered_module_list_lock)) {
        goto fail2;
    }

    if (BHT_OK != os_mutex_init(&loading_module_list_lock)) {
        goto fail3;
    }
#endif

#if WASM_ENABLE_SHARED_MEMORY
    if (!wasm_shared_memory_init()) {
        goto fail4;
    }
#endif

#if (WASM_ENABLE_WAMR_COMPILER == 0) && (WASM_ENABLE_THREAD_MGR != 0)
    if (!thread_manager_init()) {
        goto fail5;
    }
#endif

#ifdef OS_ENABLE_HW_BOUND_CHECK
    if (!runtime_signal_init()) {
        goto fail6;
    }
#endif

#if WASM_ENABLE_AOT != 0
#if WASM_ENABLE_DEBUG_AOT != 0
    if (!jit_debug_engine_init()) {
        goto fail7;
    }
#endif
#endif

#if WASM_ENABLE_REF_TYPES != 0
    if (!wasm_externref_map_init()) {
        goto fail8;
    }
#endif

#if WASM_ENABLE_FAST_JIT != 0
    if (!jit_compiler_init(&jit_options)) {
        goto fail9;
    }
#endif

#if WASM_ENABLE_JIT != 0 || WASM_ENABLE_WAMR_COMPILER != 0
    if (!aot_compiler_init()) {
        goto fail10;
    }
#endif

    return true;

#if WASM_ENABLE_JIT != 0 || WASM_ENABLE_WAMR_COMPILER != 0
fail10:
#if WASM_ENABLE_FAST_JIT != 0
    jit_compiler_destroy();
#endif
#endif
#if WASM_ENABLE_FAST_JIT != 0
fail9:
#if WASM_ENABLE_REF_TYPES != 0
    wasm_externref_map_destroy();
#endif
#endif
#if WASM_ENABLE_REF_TYPES != 0
fail8:
#endif
#if WASM_ENABLE_AOT != 0
#if WASM_ENABLE_DEBUG_AOT != 0
    jit_debug_engine_destroy();
fail7:
#endif
#endif
#ifdef OS_ENABLE_HW_BOUND_CHECK
    runtime_signal_destroy();
fail6:
#endif
#if (WASM_ENABLE_WAMR_COMPILER == 0) && (WASM_ENABLE_THREAD_MGR != 0)
    thread_manager_destroy();
fail5:
#endif
#if WASM_ENABLE_SHARED_MEMORY
    wasm_shared_memory_destroy();
fail4:
#endif
#if WASM_ENABLE_MULTI_MODULE
    os_mutex_destroy(&loading_module_list_lock);
fail3:
    os_mutex_destroy(&registered_module_list_lock);
fail2:
#endif
    wasm_native_destroy();
fail1:
    bh_platform_destroy();

    return false;
}

static bool
wasm_runtime_exec_env_check(WASMExecEnv *exec_env)
{
    return exec_env && exec_env->module_inst && exec_env->wasm_stack_size > 0
           && exec_env->wasm_stack.s.top_boundary
                  == exec_env->wasm_stack.s.bottom + exec_env->wasm_stack_size
           && exec_env->wasm_stack.s.top <= exec_env->wasm_stack.s.top_boundary;
}

bool
wasm_runtime_init()
{
    if (!wasm_runtime_memory_init(Alloc_With_System_Allocator, NULL))
        return false;

    if (!wasm_runtime_env_init()) {
        wasm_runtime_memory_destroy();
        return false;
    }

    return true;
}

void
wasm_runtime_destroy()
{
#if WASM_ENABLE_REF_TYPES != 0
    wasm_externref_map_destroy();
#endif

#if WASM_ENABLE_AOT != 0
#if WASM_ENABLE_DEBUG_AOT != 0
    jit_debug_engine_destroy();
#endif
#endif

#ifdef OS_ENABLE_HW_BOUND_CHECK
    runtime_signal_destroy();
#endif

    /* runtime env destroy */
#if WASM_ENABLE_MULTI_MODULE
    wasm_runtime_destroy_loading_module_list();
    os_mutex_destroy(&loading_module_list_lock);

    wasm_runtime_destroy_registered_module_list();
    os_mutex_destroy(&registered_module_list_lock);
#endif

#if WASM_ENABLE_JIT != 0 || WASM_ENABLE_WAMR_COMPILER != 0
    /* Destroy LLVM-JIT compiler after destroying the modules
     * loaded by multi-module feature, since these modules may
     * create backend threads to compile the wasm functions,
     * which may access the LLVM resources. We wait until they
     * finish the compilation to avoid accessing the destroyed
     * resources in the compilation threads.
     */
    aot_compiler_destroy();
#endif

#if WASM_ENABLE_FAST_JIT != 0
    /* Destroy Fast-JIT compiler after destroying the modules
     * loaded by multi-module feature, since the Fast JIT's
     * code cache allocator may be used by these modules.
     */
    jit_compiler_destroy();
#endif

#if WASM_ENABLE_SHARED_MEMORY
    wasm_shared_memory_destroy();
#endif

#if (WASM_ENABLE_WAMR_COMPILER == 0) && (WASM_ENABLE_THREAD_MGR != 0)
#if WASM_ENABLE_DEBUG_INTERP != 0
    wasm_debug_engine_destroy();
#endif
    thread_manager_destroy();
#endif

    wasm_native_destroy();
    bh_platform_destroy();

    wasm_runtime_memory_destroy();
}

bool
wasm_runtime_full_init(RuntimeInitArgs *init_args)
{
    if (!wasm_runtime_memory_init(init_args->mem_alloc_type,
                                  &init_args->mem_alloc_option))
        return false;

#if WASM_ENABLE_FAST_JIT != 0
    jit_options.code_cache_size = init_args->fast_jit_code_cache_size;
#endif

    if (!wasm_runtime_env_init()) {
        wasm_runtime_memory_destroy();
        return false;
    }

#if WASM_ENABLE_DEBUG_INTERP != 0
    if (strlen(init_args->ip_addr))
        if (!wasm_debug_engine_init(init_args->ip_addr,
                                    init_args->instance_port)) {
            wasm_runtime_destroy();
            return false;
        }
#endif

    if (init_args->n_native_symbols > 0
        && !wasm_runtime_register_natives(init_args->native_module_name,
                                          init_args->native_symbols,
                                          init_args->n_native_symbols)) {
        wasm_runtime_destroy();
        return false;
    }

#if WASM_ENABLE_THREAD_MGR != 0
    wasm_cluster_set_max_thread_num(init_args->max_thread_num);
#endif

    return true;
}

PackageType
get_package_type(const uint8 *buf, uint32 size)
{
#if (WASM_ENABLE_WORD_ALIGN_READ != 0)
    uint32 buf32 = *(uint32 *)buf;
    buf = (const uint8 *)&buf32;
#endif
    if (buf && size >= 4) {
        if (buf[0] == '\0' && buf[1] == 'a' && buf[2] == 's' && buf[3] == 'm')
            return Wasm_Module_Bytecode;
        if (buf[0] == '\0' && buf[1] == 'a' && buf[2] == 'o' && buf[3] == 't')
            return Wasm_Module_AoT;
    }
    return Package_Type_Unknown;
}

#if WASM_ENABLE_AOT != 0
static uint8 *
align_ptr(const uint8 *p, uint32 b)
{
    uintptr_t v = (uintptr_t)p;
    uintptr_t m = b - 1;
    return (uint8 *)((v + m) & ~m);
}

#define CHECK_BUF(buf, buf_end, length)                      \
    do {                                                     \
        if ((uintptr_t)buf + length < (uintptr_t)buf         \
            || (uintptr_t)buf + length > (uintptr_t)buf_end) \
            return false;                                    \
    } while (0)

#define read_uint16(p, p_end, res)                 \
    do {                                           \
        p = (uint8 *)align_ptr(p, sizeof(uint16)); \
        CHECK_BUF(p, p_end, sizeof(uint16));       \
        res = *(uint16 *)p;                        \
        p += sizeof(uint16);                       \
    } while (0)

#define read_uint32(p, p_end, res)                 \
    do {                                           \
        p = (uint8 *)align_ptr(p, sizeof(uint32)); \
        CHECK_BUF(p, p_end, sizeof(uint32));       \
        res = *(uint32 *)p;                        \
        p += sizeof(uint32);                       \
    } while (0)

bool
wasm_runtime_is_xip_file(const uint8 *buf, uint32 size)
{
    const uint8 *p = buf, *p_end = buf + size;
    uint32 section_type, section_size;
    uint16 e_type;

    if (get_package_type(buf, size) != Wasm_Module_AoT)
        return false;

    CHECK_BUF(p, p_end, 8);
    p += 8;
    while (p < p_end) {
        read_uint32(p, p_end, section_type);
        read_uint32(p, p_end, section_size);
        CHECK_BUF(p, p_end, section_size);

        if (section_type == AOT_SECTION_TYPE_TARGET_INFO) {
            p += 4;
            read_uint16(p, p_end, e_type);
            return (e_type == E_TYPE_XIP) ? true : false;
        }
        else if (section_type >= AOT_SECTION_TYPE_SIGANATURE) {
            return false;
        }
        p += section_size;
    }

    return false;
}
#endif /* end of WASM_ENABLE_AOT */

#if (WASM_ENABLE_THREAD_MGR != 0) && (WASM_ENABLE_DEBUG_INTERP != 0)
uint32
wasm_runtime_start_debug_instance_with_port(WASMExecEnv *exec_env, int32_t port)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_runtime_get_module_inst(exec_env);
    WASMCluster *cluster = wasm_exec_env_get_cluster(exec_env);
    bh_assert(module_inst);
    bh_assert(cluster);

    if (module_inst->module_type != Wasm_Module_Bytecode) {
        LOG_WARNING("Attempt to create a debug instance for an AOT module");
        return 0;
    }

    if (cluster->debug_inst) {
        LOG_WARNING("Cluster already bind to a debug instance");
        return cluster->debug_inst->control_thread->port;
    }

    if (wasm_debug_instance_create(cluster, port)) {
        return cluster->debug_inst->control_thread->port;
    }

    return 0;
}

uint32
wasm_runtime_start_debug_instance(WASMExecEnv *exec_env)
{
    return wasm_runtime_start_debug_instance_with_port(exec_env, -1);
}
#endif

#if WASM_ENABLE_MULTI_MODULE != 0
static module_reader reader;
static module_destroyer destroyer;
void
wasm_runtime_set_module_reader(const module_reader reader_cb,
                               const module_destroyer destroyer_cb)
{
    reader = reader_cb;
    destroyer = destroyer_cb;
}

module_reader
wasm_runtime_get_module_reader()
{
    return reader;
}

module_destroyer
wasm_runtime_get_module_destroyer()
{
    return destroyer;
}

static WASMRegisteredModule *
wasm_runtime_find_module_registered_by_reference(WASMModuleCommon *module)
{
    WASMRegisteredModule *reg_module = NULL;

    os_mutex_lock(&registered_module_list_lock);
    reg_module = bh_list_first_elem(registered_module_list);
    while (reg_module && module != reg_module->module) {
        reg_module = bh_list_elem_next(reg_module);
    }
    os_mutex_unlock(&registered_module_list_lock);

    return reg_module;
}

bool
wasm_runtime_register_module_internal(const char *module_name,
                                      WASMModuleCommon *module,
                                      uint8 *orig_file_buf,
                                      uint32 orig_file_buf_size,
                                      char *error_buf, uint32 error_buf_size)
{
    WASMRegisteredModule *node = NULL;

    node = wasm_runtime_find_module_registered_by_reference(module);
    if (node) {                  /* module has been registered */
        if (node->module_name) { /* module has name */
            if (!module_name || strcmp(node->module_name, module_name)) {
                /* module has different name */
                LOG_DEBUG("module(%p) has been registered with name %s", module,
                          node->module_name);
                set_error_buf(error_buf, error_buf_size,
                              "Register module failed: "
                              "failed to rename the module");
                return false;
            }
            else {
                /* module has the same name */
                LOG_DEBUG(
                    "module(%p) has been registered with the same name %s",
                    module, node->module_name);
                return true;
            }
        }
        else {
            /* module has empyt name, reset it */
            node->module_name = module_name;
            return true;
        }
    }

    /* module hasn't been registered */
    node = runtime_malloc(sizeof(WASMRegisteredModule), NULL, NULL, 0);
    if (!node) {
        LOG_DEBUG("malloc WASMRegisteredModule failed. SZ=%d",
                  sizeof(WASMRegisteredModule));
        return false;
    }

    /* share the string and the module */
    node->module_name = module_name;
    node->module = module;
    node->orig_file_buf = orig_file_buf;
    node->orig_file_buf_size = orig_file_buf_size;

    os_mutex_lock(&registered_module_list_lock);
    bh_list_status ret = bh_list_insert(registered_module_list, node);
    bh_assert(BH_LIST_SUCCESS == ret);
    (void)ret;
    os_mutex_unlock(&registered_module_list_lock);
    return true;
}

bool
wasm_runtime_register_module(const char *module_name, WASMModuleCommon *module,
                             char *error_buf, uint32 error_buf_size)
{
    if (!error_buf || !error_buf_size) {
        LOG_ERROR("error buffer is required");
        return false;
    }

    if (!module_name || !module) {
        LOG_DEBUG("module_name and module are required");
        set_error_buf(error_buf, error_buf_size,
                      "Register module failed: "
                      "module_name and module are required");
        return false;
    }

    if (wasm_runtime_is_built_in_module(module_name)) {
        LOG_DEBUG("%s is a built-in module name", module_name);
        set_error_buf(error_buf, error_buf_size,
                      "Register module failed: "
                      "can not register as a built-in module");
        return false;
    }

    return wasm_runtime_register_module_internal(module_name, module, NULL, 0,
                                                 error_buf, error_buf_size);
}

void
wasm_runtime_unregister_module(const WASMModuleCommon *module)
{
    WASMRegisteredModule *registered_module = NULL;

    os_mutex_lock(&registered_module_list_lock);
    registered_module = bh_list_first_elem(registered_module_list);
    while (registered_module && module != registered_module->module) {
        registered_module = bh_list_elem_next(registered_module);
    }

    /* it does not matter if it is not exist. after all, it is gone */
    if (registered_module) {
        bh_list_remove(registered_module_list, registered_module);
        wasm_runtime_free(registered_module);
    }
    os_mutex_unlock(&registered_module_list_lock);
}

WASMModuleCommon *
wasm_runtime_find_module_registered(const char *module_name)
{
    WASMRegisteredModule *module = NULL, *module_next;

    os_mutex_lock(&registered_module_list_lock);
    module = bh_list_first_elem(registered_module_list);
    while (module) {
        module_next = bh_list_elem_next(module);
        if (module->module_name && !strcmp(module_name, module->module_name)) {
            break;
        }
        module = module_next;
    }
    os_mutex_unlock(&registered_module_list_lock);

    return module ? module->module : NULL;
}

/*
 * simply destroy all
 */
static void
wasm_runtime_destroy_registered_module_list()
{
    WASMRegisteredModule *reg_module = NULL;

    os_mutex_lock(&registered_module_list_lock);
    reg_module = bh_list_first_elem(registered_module_list);
    while (reg_module) {
        WASMRegisteredModule *next_reg_module = bh_list_elem_next(reg_module);

        bh_list_remove(registered_module_list, reg_module);

        /* now, it is time to release every module in the runtime */
        if (reg_module->module->module_type == Wasm_Module_Bytecode) {
#if WASM_ENABLE_INTERP != 0
            wasm_unload((WASMModule *)reg_module->module);
#endif
        }
        else {
#if WASM_ENABLE_AOT != 0
            aot_unload((AOTModule *)reg_module->module);
#endif
        }

        /* destroy the file buffer */
        if (destroyer && reg_module->orig_file_buf) {
            destroyer(reg_module->orig_file_buf,
                      reg_module->orig_file_buf_size);
            reg_module->orig_file_buf = NULL;
            reg_module->orig_file_buf_size = 0;
        }

        wasm_runtime_free(reg_module);
        reg_module = next_reg_module;
    }
    os_mutex_unlock(&registered_module_list_lock);
}

bool
wasm_runtime_add_loading_module(const char *module_name, char *error_buf,
                                uint32 error_buf_size)
{
    LOG_DEBUG("add %s into a loading list", module_name);
    LoadingModule *loadingModule =
        runtime_malloc(sizeof(LoadingModule), NULL, error_buf, error_buf_size);

    if (!loadingModule) {
        return false;
    }

    /* share the incoming string */
    loadingModule->module_name = module_name;

    os_mutex_lock(&loading_module_list_lock);
    bh_list_status ret = bh_list_insert(loading_module_list, loadingModule);
    bh_assert(BH_LIST_SUCCESS == ret);
    (void)ret;
    os_mutex_unlock(&loading_module_list_lock);
    return true;
}

void
wasm_runtime_delete_loading_module(const char *module_name)
{
    LOG_DEBUG("delete %s from a loading list", module_name);

    LoadingModule *module = NULL;

    os_mutex_lock(&loading_module_list_lock);
    module = bh_list_first_elem(loading_module_list);
    while (module && strcmp(module->module_name, module_name)) {
        module = bh_list_elem_next(module);
    }

    /* it does not matter if it is not exist. after all, it is gone */
    if (module) {
        bh_list_remove(loading_module_list, module);
        wasm_runtime_free(module);
    }
    os_mutex_unlock(&loading_module_list_lock);
}

bool
wasm_runtime_is_loading_module(const char *module_name)
{
    LOG_DEBUG("find %s in a loading list", module_name);

    LoadingModule *module = NULL;

    os_mutex_lock(&loading_module_list_lock);
    module = bh_list_first_elem(loading_module_list);
    while (module && strcmp(module_name, module->module_name)) {
        module = bh_list_elem_next(module);
    }
    os_mutex_unlock(&loading_module_list_lock);

    return module != NULL;
}

void
wasm_runtime_destroy_loading_module_list()
{
    LoadingModule *module = NULL;

    os_mutex_lock(&loading_module_list_lock);
    module = bh_list_first_elem(loading_module_list);
    while (module) {
        LoadingModule *next_module = bh_list_elem_next(module);

        bh_list_remove(loading_module_list, module);
        /*
         * will not free the module_name since it is
         * shared one of the const string pool
         */
        wasm_runtime_free(module);

        module = next_module;
    }

    os_mutex_unlock(&loading_module_list_lock);
}
#endif /* WASM_ENABLE_MULTI_MODULE */

bool
wasm_runtime_is_built_in_module(const char *module_name)
{
    return (!strcmp("env", module_name) || !strcmp("wasi_unstable", module_name)
            || !strcmp("wasi_snapshot_preview1", module_name)
#if WASM_ENABLE_SPEC_TEST != 0
            || !strcmp("spectest", module_name)
#endif
            || !strcmp("", module_name));
}

#if WASM_ENABLE_THREAD_MGR != 0
bool
wasm_exec_env_set_aux_stack(WASMExecEnv *exec_env, uint32 start_offset,
                            uint32 size)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_exec_env_get_module_inst(exec_env);
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        return wasm_set_aux_stack(exec_env, start_offset, size);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        return aot_set_aux_stack(exec_env, start_offset, size);
    }
#endif
    return false;
}

bool
wasm_exec_env_get_aux_stack(WASMExecEnv *exec_env, uint32 *start_offset,
                            uint32 *size)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_exec_env_get_module_inst(exec_env);
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        return wasm_get_aux_stack(exec_env, start_offset, size);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        return aot_get_aux_stack(exec_env, start_offset, size);
    }
#endif
    return false;
}

void
wasm_runtime_set_max_thread_num(uint32 num)
{
    wasm_cluster_set_max_thread_num(num);
}
#endif /* end of WASM_ENABLE_THREAD_MGR */

static WASMModuleCommon *
register_module_with_null_name(WASMModuleCommon *module_common, char *error_buf,
                               uint32 error_buf_size)
{
#if WASM_ENABLE_MULTI_MODULE != 0
    if (module_common) {
        if (!wasm_runtime_register_module_internal(NULL, module_common, NULL, 0,
                                                   error_buf, error_buf_size)) {
            wasm_runtime_unload(module_common);
            return NULL;
        }
        return module_common;
    }
    else
        return NULL;
#else
    return module_common;
#endif
}

WASMModuleCommon *
wasm_runtime_load(uint8 *buf, uint32 size, char *error_buf,
                  uint32 error_buf_size)
{
    WASMModuleCommon *module_common = NULL;

    if (get_package_type(buf, size) == Wasm_Module_Bytecode) {
#if WASM_ENABLE_INTERP != 0
        module_common =
            (WASMModuleCommon *)wasm_load(buf, size, error_buf, error_buf_size);
        return register_module_with_null_name(module_common, error_buf,
                                              error_buf_size);
#endif
    }
    else if (get_package_type(buf, size) == Wasm_Module_AoT) {
#if WASM_ENABLE_AOT != 0
        module_common = (WASMModuleCommon *)aot_load_from_aot_file(
            buf, size, error_buf, error_buf_size);
        return register_module_with_null_name(module_common, error_buf,
                                              error_buf_size);
#endif
    }

    if (size < 4)
        set_error_buf(error_buf, error_buf_size,
                      "WASM module load failed: unexpected end");
    else
        set_error_buf(error_buf, error_buf_size,
                      "WASM module load failed: magic header not detected");
    return NULL;
}

WASMModuleCommon *
wasm_runtime_load_from_sections(WASMSection *section_list, bool is_aot,
                                char *error_buf, uint32 error_buf_size)
{
    WASMModuleCommon *module_common;

    if (!is_aot) {
#if WASM_ENABLE_INTERP != 0
        module_common = (WASMModuleCommon *)wasm_load_from_sections(
            section_list, error_buf, error_buf_size);
        return register_module_with_null_name(module_common, error_buf,
                                              error_buf_size);
#endif
    }
    else {
#if WASM_ENABLE_AOT != 0
        module_common = (WASMModuleCommon *)aot_load_from_sections(
            section_list, error_buf, error_buf_size);
        return register_module_with_null_name(module_common, error_buf,
                                              error_buf_size);
#endif
    }

#if WASM_ENABLE_INTERP == 0 || WASM_ENABLE_AOT == 0
    set_error_buf(error_buf, error_buf_size,
                  "WASM module load failed: invalid section list type");
    return NULL;
#endif
}

void
wasm_runtime_unload(WASMModuleCommon *module)
{
#if WASM_ENABLE_MULTI_MODULE != 0
    /**
     * since we will unload and free all module when runtime_destroy()
     * we don't want users to unwillingly disrupt it
     */
    return;
#endif

#if WASM_ENABLE_INTERP != 0
    if (module->module_type == Wasm_Module_Bytecode) {
        wasm_unload((WASMModule *)module);
        return;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module->module_type == Wasm_Module_AoT) {
        aot_unload((AOTModule *)module);
        return;
    }
#endif
}

WASMModuleInstanceCommon *
wasm_runtime_instantiate_internal(WASMModuleCommon *module, bool is_sub_inst,
                                  uint32 stack_size, uint32 heap_size,
                                  char *error_buf, uint32 error_buf_size)
{
#if WASM_ENABLE_INTERP != 0
    if (module->module_type == Wasm_Module_Bytecode)
        return (WASMModuleInstanceCommon *)wasm_instantiate(
            (WASMModule *)module, is_sub_inst, stack_size, heap_size, error_buf,
            error_buf_size);
#endif
#if WASM_ENABLE_AOT != 0
    if (module->module_type == Wasm_Module_AoT)
        return (WASMModuleInstanceCommon *)aot_instantiate(
            (AOTModule *)module, is_sub_inst, stack_size, heap_size, error_buf,
            error_buf_size);
#endif
    set_error_buf(error_buf, error_buf_size,
                  "Instantiate module failed, invalid module type");
    return NULL;
}

WASMModuleInstanceCommon *
wasm_runtime_instantiate(WASMModuleCommon *module, uint32 stack_size,
                         uint32 heap_size, char *error_buf,
                         uint32 error_buf_size)
{
    return wasm_runtime_instantiate_internal(
        module, false, stack_size, heap_size, error_buf, error_buf_size);
}

void
wasm_runtime_deinstantiate_internal(WASMModuleInstanceCommon *module_inst,
                                    bool is_sub_inst)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        wasm_deinstantiate((WASMModuleInstance *)module_inst, is_sub_inst);
        return;
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        aot_deinstantiate((AOTModuleInstance *)module_inst, is_sub_inst);
        return;
    }
#endif
}

void
wasm_runtime_deinstantiate(WASMModuleInstanceCommon *module_inst)
{
    wasm_runtime_deinstantiate_internal(module_inst, false);
}

WASMModuleCommon *
wasm_runtime_get_module(WASMModuleInstanceCommon *module_inst)
{
    return (WASMModuleCommon *)((WASMModuleInstance *)module_inst)->module;
}

WASMExecEnv *
wasm_runtime_create_exec_env(WASMModuleInstanceCommon *module_inst,
                             uint32 stack_size)
{
    return wasm_exec_env_create(module_inst, stack_size);
}

void
wasm_runtime_destroy_exec_env(WASMExecEnv *exec_env)
{
    wasm_exec_env_destroy(exec_env);
}

bool
wasm_runtime_init_thread_env(void)
{
#ifdef BH_PLATFORM_WINDOWS
    if (os_thread_env_init() != 0)
        return false;
#endif

#ifdef OS_ENABLE_HW_BOUND_CHECK
    if (!runtime_signal_init()) {
#ifdef BH_PLATFORM_WINDOWS
        os_thread_env_destroy();
#endif
        return false;
    }
#endif

    return true;
}

void
wasm_runtime_destroy_thread_env(void)
{
#ifdef OS_ENABLE_HW_BOUND_CHECK
    runtime_signal_destroy();
#endif

#ifdef BH_PLATFORM_WINDOWS
    os_thread_env_destroy();
#endif
}

bool
wasm_runtime_thread_env_inited(void)
{
#ifdef BH_PLATFORM_WINDOWS
    if (!os_thread_env_inited())
        return false;
#endif

#if WASM_ENABLE_AOT != 0
#ifdef OS_ENABLE_HW_BOUND_CHECK
    if (!os_thread_signal_inited())
        return false;
#endif
#endif
    return true;
}

#if (WASM_ENABLE_MEMORY_PROFILING != 0) || (WASM_ENABLE_MEMORY_TRACING != 0)
void
wasm_runtime_dump_module_mem_consumption(const WASMModuleCommon *module)
{
    WASMModuleMemConsumption mem_conspn = { 0 };

#if WASM_ENABLE_INTERP != 0
    if (module->module_type == Wasm_Module_Bytecode) {
        wasm_get_module_mem_consumption((WASMModule *)module, &mem_conspn);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module->module_type == Wasm_Module_AoT) {
        aot_get_module_mem_consumption((AOTModule *)module, &mem_conspn);
    }
#endif

    os_printf("WASM module memory consumption, total size: %u\n",
              mem_conspn.total_size);
    os_printf("    module struct size: %u\n", mem_conspn.module_struct_size);
    os_printf("    types size: %u\n", mem_conspn.types_size);
    os_printf("    imports size: %u\n", mem_conspn.imports_size);
    os_printf("    funcs size: %u\n", mem_conspn.functions_size);
    os_printf("    tables size: %u\n", mem_conspn.tables_size);
    os_printf("    memories size: %u\n", mem_conspn.memories_size);
    os_printf("    globals size: %u\n", mem_conspn.globals_size);
    os_printf("    exports size: %u\n", mem_conspn.exports_size);
    os_printf("    table segs size: %u\n", mem_conspn.table_segs_size);
    os_printf("    data segs size: %u\n", mem_conspn.data_segs_size);
    os_printf("    const strings size: %u\n", mem_conspn.const_strs_size);
#if WASM_ENABLE_AOT != 0
    os_printf("    aot code size: %u\n", mem_conspn.aot_code_size);
#endif
}

void
wasm_runtime_dump_module_inst_mem_consumption(
    const WASMModuleInstanceCommon *module_inst)
{
    WASMModuleInstMemConsumption mem_conspn = { 0 };

#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        wasm_get_module_inst_mem_consumption((WASMModuleInstance *)module_inst,
                                             &mem_conspn);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        aot_get_module_inst_mem_consumption((AOTModuleInstance *)module_inst,
                                            &mem_conspn);
    }
#endif

    os_printf("WASM module inst memory consumption, total size: %u\n",
              mem_conspn.total_size);
    os_printf("    module inst struct size: %u\n",
              mem_conspn.module_inst_struct_size);
    os_printf("    memories size: %u\n", mem_conspn.memories_size);
    os_printf("        app heap size: %u\n", mem_conspn.app_heap_size);
    os_printf("    tables size: %u\n", mem_conspn.tables_size);
    os_printf("    functions size: %u\n", mem_conspn.functions_size);
    os_printf("    globals size: %u\n", mem_conspn.globals_size);
    os_printf("    exports size: %u\n", mem_conspn.exports_size);
}

void
wasm_runtime_dump_exec_env_mem_consumption(const WASMExecEnv *exec_env)
{
    uint32 total_size =
        offsetof(WASMExecEnv, wasm_stack.s.bottom) + exec_env->wasm_stack_size;

    os_printf("Exec env memory consumption, total size: %u\n", total_size);
    os_printf("    exec env struct size: %u\n",
              offsetof(WASMExecEnv, wasm_stack.s.bottom));
#if WASM_ENABLE_INTERP != 0 && WASM_ENABLE_FAST_INTERP == 0
    os_printf("        block addr cache size: %u\n",
              sizeof(exec_env->block_addr_cache));
#endif
    os_printf("    stack size: %u\n", exec_env->wasm_stack_size);
}

uint32
gc_get_heap_highmark_size(void *heap);

void
wasm_runtime_dump_mem_consumption(WASMExecEnv *exec_env)
{
    WASMModuleInstMemConsumption module_inst_mem_consps;
    WASMModuleMemConsumption module_mem_consps;
    WASMModuleInstanceCommon *module_inst_common;
    WASMModuleCommon *module_common = NULL;
    void *heap_handle = NULL;
    uint32 total_size = 0, app_heap_peak_size = 0;
    uint32 max_aux_stack_used = -1;

    module_inst_common = exec_env->module_inst;
#if WASM_ENABLE_INTERP != 0
    if (module_inst_common->module_type == Wasm_Module_Bytecode) {
        WASMModuleInstance *wasm_module_inst =
            (WASMModuleInstance *)module_inst_common;
        WASMModule *wasm_module = wasm_module_inst->module;
        module_common = (WASMModuleCommon *)wasm_module;
        if (wasm_module_inst->memories) {
            heap_handle = wasm_module_inst->memories[0]->heap_handle;
        }
        wasm_get_module_inst_mem_consumption(wasm_module_inst,
                                             &module_inst_mem_consps);
        wasm_get_module_mem_consumption(wasm_module, &module_mem_consps);
        if (wasm_module_inst->module->aux_stack_top_global_index != (uint32)-1)
            max_aux_stack_used = wasm_module_inst->e->max_aux_stack_used;
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst_common->module_type == Wasm_Module_AoT) {
        AOTModuleInstance *aot_module_inst =
            (AOTModuleInstance *)module_inst_common;
        AOTModule *aot_module = (AOTModule *)aot_module_inst->module;
        module_common = (WASMModuleCommon *)aot_module;
        if (aot_module_inst->memories) {
            AOTMemoryInstance **memories = aot_module_inst->memories;
            heap_handle = memories[0]->heap_handle;
        }
        aot_get_module_inst_mem_consumption(aot_module_inst,
                                            &module_inst_mem_consps);
        aot_get_module_mem_consumption(aot_module, &module_mem_consps);
    }
#endif

    bh_assert(module_common != NULL);

    if (heap_handle) {
        app_heap_peak_size = gc_get_heap_highmark_size(heap_handle);
    }

    total_size = offsetof(WASMExecEnv, wasm_stack.s.bottom)
                 + exec_env->wasm_stack_size + module_mem_consps.total_size
                 + module_inst_mem_consps.total_size;

    os_printf("\nMemory consumption summary (bytes):\n");
    wasm_runtime_dump_module_mem_consumption(module_common);
    wasm_runtime_dump_module_inst_mem_consumption(module_inst_common);
    wasm_runtime_dump_exec_env_mem_consumption(exec_env);
    os_printf("\nTotal memory consumption of module, module inst and "
              "exec env: %u\n",
              total_size);
    os_printf("Total interpreter stack used: %u\n",
              exec_env->max_wasm_stack_used);

    if (max_aux_stack_used != (uint32)-1)
        os_printf("Total auxiliary stack used: %u\n", max_aux_stack_used);
    else
        os_printf("Total aux stack used: no enough info to profile\n");

    os_printf("Total app heap used: %u\n", app_heap_peak_size);
}
#endif /* end of (WASM_ENABLE_MEMORY_PROFILING != 0) \
                 || (WASM_ENABLE_MEMORY_TRACING != 0) */

#if WASM_ENABLE_PERF_PROFILING != 0
void
wasm_runtime_dump_perf_profiling(WASMModuleInstanceCommon *module_inst)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        wasm_dump_perf_profiling((WASMModuleInstance *)module_inst);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        aot_dump_perf_profiling((AOTModuleInstance *)module_inst);
    }
#endif
}
#endif

WASMModuleInstanceCommon *
wasm_runtime_get_module_inst(WASMExecEnv *exec_env)
{
    return wasm_exec_env_get_module_inst(exec_env);
}

void
wasm_runtime_set_module_inst(WASMExecEnv *exec_env,
                             WASMModuleInstanceCommon *const module_inst)
{
    wasm_exec_env_set_module_inst(exec_env, module_inst);
}

void *
wasm_runtime_get_function_attachment(WASMExecEnv *exec_env)
{
    return exec_env->attachment;
}

void
wasm_runtime_set_user_data(WASMExecEnv *exec_env, void *user_data)
{
    exec_env->user_data = user_data;
}

void *
wasm_runtime_get_user_data(WASMExecEnv *exec_env)
{
    return exec_env->user_data;
}

WASMType *
wasm_runtime_get_function_type(const WASMFunctionInstanceCommon *function,
                               uint32 module_type)
{
    WASMType *type = NULL;

#if WASM_ENABLE_INTERP != 0
    if (module_type == Wasm_Module_Bytecode) {
        WASMFunctionInstance *wasm_func = (WASMFunctionInstance *)function;
        type = wasm_func->is_import_func ? wasm_func->u.func_import->func_type
                                         : wasm_func->u.func->func_type;
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_type == Wasm_Module_AoT) {
        AOTFunctionInstance *aot_func = (AOTFunctionInstance *)function;
        type = aot_func->is_import_func ? aot_func->u.func_import->func_type
                                        : aot_func->u.func.func_type;
    }
#endif

    return type;
}

WASMFunctionInstanceCommon *
wasm_runtime_lookup_function(WASMModuleInstanceCommon *const module_inst,
                             const char *name, const char *signature)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode)
        return (WASMFunctionInstanceCommon *)wasm_lookup_function(
            (const WASMModuleInstance *)module_inst, name, signature);
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT)
        return (WASMFunctionInstanceCommon *)aot_lookup_function(
            (const AOTModuleInstance *)module_inst, name, signature);
#endif
    return NULL;
}

uint32
wasm_func_get_param_count(WASMFunctionInstanceCommon *const func_inst,
                          WASMModuleInstanceCommon *const module_inst)
{
    WASMType *type =
        wasm_runtime_get_function_type(func_inst, module_inst->module_type);
    bh_assert(type);

    return type->param_count;
}

uint32
wasm_func_get_result_count(WASMFunctionInstanceCommon *const func_inst,
                           WASMModuleInstanceCommon *const module_inst)
{
    WASMType *type =
        wasm_runtime_get_function_type(func_inst, module_inst->module_type);
    bh_assert(type);

    return type->result_count;
}

static uint8
val_type_to_val_kind(uint8 value_type)
{
    switch (value_type) {
        case VALUE_TYPE_I32:
            return WASM_I32;
        case VALUE_TYPE_I64:
            return WASM_I64;
        case VALUE_TYPE_F32:
            return WASM_F32;
        case VALUE_TYPE_F64:
            return WASM_F64;
        case VALUE_TYPE_FUNCREF:
            return WASM_FUNCREF;
        case VALUE_TYPE_EXTERNREF:
            return WASM_ANYREF;
        default:
            bh_assert(0);
            return 0;
    }
}

void
wasm_func_get_param_types(WASMFunctionInstanceCommon *const func_inst,
                          WASMModuleInstanceCommon *const module_inst,
                          wasm_valkind_t *param_types)
{
    WASMType *type =
        wasm_runtime_get_function_type(func_inst, module_inst->module_type);
    uint32 i;

    bh_assert(type);

    for (i = 0; i < type->param_count; i++) {
        param_types[i] = val_type_to_val_kind(type->types[i]);
    }
}

void
wasm_func_get_result_types(WASMFunctionInstanceCommon *const func_inst,
                           WASMModuleInstanceCommon *const module_inst,
                           wasm_valkind_t *result_types)
{
    WASMType *type =
        wasm_runtime_get_function_type(func_inst, module_inst->module_type);
    uint32 i;

    bh_assert(type);

    for (i = 0; i < type->result_count; i++) {
        result_types[i] =
            val_type_to_val_kind(type->types[type->param_count + i]);
    }
}

#if WASM_ENABLE_REF_TYPES != 0
/* (uintptr_t)externref -> (uint32)index */
/*   argv               ->   *ret_argv */
static bool
wasm_runtime_prepare_call_function(WASMExecEnv *exec_env,
                                   WASMFunctionInstanceCommon *function,
                                   uint32 *argv, uint32 argc, uint32 **ret_argv,
                                   uint32 *ret_argc_param,
                                   uint32 *ret_argc_result)
{
    uint32 *new_argv = NULL, argv_i = 0, new_argv_i = 0, param_i = 0,
           result_i = 0;
    bool need_param_transform = false, need_result_transform = false;
    uint64 size = 0;
    WASMType *func_type = wasm_runtime_get_function_type(
        function, exec_env->module_inst->module_type);

    bh_assert(func_type);

    *ret_argc_param = func_type->param_cell_num;
    *ret_argc_result = func_type->ret_cell_num;
    for (param_i = 0; param_i < func_type->param_count; param_i++) {
        if (VALUE_TYPE_EXTERNREF == func_type->types[param_i]) {
            need_param_transform = true;
        }
    }

    for (result_i = 0; result_i < func_type->result_count; result_i++) {
        if (VALUE_TYPE_EXTERNREF
            == func_type->types[func_type->param_count + result_i]) {
            need_result_transform = true;
        }
    }

    if (!need_param_transform && !need_result_transform) {
        *ret_argv = argv;
        return true;
    }

    if (func_type->param_cell_num >= func_type->ret_cell_num) {
        size = sizeof(uint32) * func_type->param_cell_num;
    }
    else {
        size = sizeof(uint32) * func_type->ret_cell_num;
    }

    if (!(new_argv = runtime_malloc(size, exec_env->module_inst, NULL, 0))) {
        return false;
    }

    if (!need_param_transform) {
        bh_memcpy_s(new_argv, (uint32)size, argv, (uint32)size);
    }
    else {
        for (param_i = 0; param_i < func_type->param_count && argv_i < argc
                          && new_argv_i < func_type->param_cell_num;
             param_i++) {
            uint8 param_type = func_type->types[param_i];
            if (VALUE_TYPE_EXTERNREF == param_type) {
                void *externref_obj;
                uint32 externref_index;

#if UINTPTR_MAX == UINT32_MAX
                externref_obj = (void *)argv[argv_i];
#else
                union {
                    uintptr_t val;
                    uint32 parts[2];
                } u;

                u.parts[0] = argv[argv_i];
                u.parts[1] = argv[argv_i + 1];
                externref_obj = (void *)u.val;
#endif
                if (!wasm_externref_obj2ref(exec_env->module_inst,
                                            externref_obj, &externref_index)) {
                    wasm_runtime_free(new_argv);
                    return false;
                }

                new_argv[new_argv_i] = externref_index;
                argv_i += sizeof(uintptr_t) / sizeof(uint32);
                new_argv_i++;
            }
            else {
                uint16 param_cell_num = wasm_value_type_cell_num(param_type);
                uint32 param_size = sizeof(uint32) * param_cell_num;
                bh_memcpy_s(new_argv + new_argv_i, param_size, argv + argv_i,
                            param_size);
                argv_i += param_cell_num;
                new_argv_i += param_cell_num;
            }
        }
    }

    *ret_argv = new_argv;
    return true;
}

/* (uintptr_t)externref <- (uint32)index */
/*   argv               <-   new_argv */
static bool
wasm_runtime_finalize_call_function(WASMExecEnv *exec_env,
                                    WASMFunctionInstanceCommon *function,
                                    uint32 *argv, uint32 argc, uint32 *ret_argv)
{
    uint32 argv_i = 0, result_i = 0, ret_argv_i = 0;
    WASMType *func_type;

    bh_assert((argv && ret_argv) || (argc == 0));

    if (argv == ret_argv) {
        /* no need to transfrom externref results */
        return true;
    }

    func_type = wasm_runtime_get_function_type(
        function, exec_env->module_inst->module_type);
    bh_assert(func_type);

    for (result_i = 0; result_i < func_type->result_count && argv_i < argc;
         result_i++) {
        uint8 result_type = func_type->types[func_type->param_count + result_i];
        if (result_type == VALUE_TYPE_EXTERNREF) {
            void *externref_obj;
#if UINTPTR_MAX != UINT32_MAX
            union {
                uintptr_t val;
                uint32 parts[2];
            } u;
#endif

            if (!wasm_externref_ref2obj(argv[argv_i], &externref_obj)) {
                wasm_runtime_free(argv);
                return false;
            }

#if UINTPTR_MAX == UINT32_MAX
            ret_argv[ret_argv_i] = (uintptr_t)externref_obj;
#else
            u.val = (uintptr_t)externref_obj;
            ret_argv[ret_argv_i] = u.parts[0];
            ret_argv[ret_argv_i + 1] = u.parts[1];
#endif
            argv_i += 1;
            ret_argv_i += sizeof(uintptr_t) / sizeof(uint32);
        }
        else {
            uint16 result_cell_num = wasm_value_type_cell_num(result_type);
            uint32 result_size = sizeof(uint32) * result_cell_num;
            bh_memcpy_s(ret_argv + ret_argv_i, result_size, argv + argv_i,
                        result_size);
            argv_i += result_cell_num;
            ret_argv_i += result_cell_num;
        }
    }

    wasm_runtime_free(argv);
    return true;
}
#endif

bool
wasm_runtime_call_wasm(WASMExecEnv *exec_env,
                       WASMFunctionInstanceCommon *function, uint32 argc,
                       uint32 argv[])
{
    bool ret = false;
    uint32 *new_argv = NULL, param_argc;
#if WASM_ENABLE_REF_TYPES != 0
    uint32 result_argc = 0;
#endif

    if (!wasm_runtime_exec_env_check(exec_env)) {
        LOG_ERROR("Invalid exec env stack info.");
        return false;
    }

#if WASM_ENABLE_REF_TYPES != 0
    if (!wasm_runtime_prepare_call_function(exec_env, function, argv, argc,
                                            &new_argv, &param_argc,
                                            &result_argc)) {
        wasm_runtime_set_exception(exec_env->module_inst,
                                   "the arguments conversion is failed");
        return false;
    }
#else
    new_argv = argv;
    param_argc = argc;
#endif

#if WASM_ENABLE_INTERP != 0
    if (exec_env->module_inst->module_type == Wasm_Module_Bytecode)
        ret = wasm_call_function(exec_env, (WASMFunctionInstance *)function,
                                 param_argc, new_argv);
#endif
#if WASM_ENABLE_AOT != 0
    if (exec_env->module_inst->module_type == Wasm_Module_AoT)
        ret = aot_call_function(exec_env, (AOTFunctionInstance *)function,
                                param_argc, new_argv);
#endif
    if (!ret) {
        if (new_argv != argv) {
            wasm_runtime_free(new_argv);
        }
        return false;
    }

#if WASM_ENABLE_REF_TYPES != 0
    if (!wasm_runtime_finalize_call_function(exec_env, function, new_argv,
                                             result_argc, argv)) {
        wasm_runtime_set_exception(exec_env->module_inst,
                                   "the result conversion is failed");
        return false;
    }
#endif

    return ret;
}

static void
parse_args_to_uint32_array(WASMType *type, wasm_val_t *args, uint32 *out_argv)
{
    uint32 i, p;

    for (i = 0, p = 0; i < type->param_count; i++) {
        switch (args[i].kind) {
            case WASM_I32:
                out_argv[p++] = args[i].of.i32;
                break;
            case WASM_I64:
            {
                union {
                    uint64 val;
                    uint32 parts[2];
                } u;
                u.val = args[i].of.i64;
                out_argv[p++] = u.parts[0];
                out_argv[p++] = u.parts[1];
                break;
            }
            case WASM_F32:
            {
                union {
                    float32 val;
                    uint32 part;
                } u;
                u.val = args[i].of.f32;
                out_argv[p++] = u.part;
                break;
            }
            case WASM_F64:
            {
                union {
                    float64 val;
                    uint32 parts[2];
                } u;
                u.val = args[i].of.f64;
                out_argv[p++] = u.parts[0];
                out_argv[p++] = u.parts[1];
                break;
            }
#if WASM_ENABLE_REF_TYPES != 0
            case WASM_FUNCREF:
            {
                out_argv[p++] = args[i].of.i32;
                break;
            }
            case WASM_ANYREF:
            {
#if UINTPTR_MAX == UINT32_MAX
                out_argv[p++] = args[i].of.foreign;
#else
                union {
                    uintptr_t val;
                    uint32 parts[2];
                } u;

                u.val = (uintptr_t)args[i].of.foreign;
                out_argv[p++] = u.parts[0];
                out_argv[p++] = u.parts[1];
#endif
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }
}

static void
parse_uint32_array_to_results(WASMType *type, uint32 *argv,
                              wasm_val_t *out_results)
{
    uint32 i, p;

    for (i = 0, p = 0; i < type->result_count; i++) {
        switch (type->types[type->param_count + i]) {
            case VALUE_TYPE_I32:
                out_results[i].kind = WASM_I32;
                out_results[i].of.i32 = (int32)argv[p++];
                break;
            case VALUE_TYPE_I64:
            {
                union {
                    uint64 val;
                    uint32 parts[2];
                } u;
                u.parts[0] = argv[p++];
                u.parts[1] = argv[p++];
                out_results[i].kind = WASM_I64;
                out_results[i].of.i64 = u.val;
                break;
            }
            case VALUE_TYPE_F32:
            {
                union {
                    float32 val;
                    uint32 part;
                } u;
                u.part = argv[p++];
                out_results[i].kind = WASM_F32;
                out_results[i].of.f32 = u.val;
                break;
            }
            case VALUE_TYPE_F64:
            {
                union {
                    float64 val;
                    uint32 parts[2];
                } u;
                u.parts[0] = argv[p++];
                u.parts[1] = argv[p++];
                out_results[i].kind = WASM_F64;
                out_results[i].of.f64 = u.val;
                break;
            }
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
            {
                out_results[i].kind = WASM_I32;
                out_results[i].of.i32 = (int32)argv[p++];
                break;
            }
            case VALUE_TYPE_EXTERNREF:
            {
#if UINTPTR_MAX == UINT32_MAX
                out_results[i].kind = WASM_ANYREF;
                out_results[i].of.foreign = (uintptr_t)argv[p++];
#else
                union {
                    uintptr_t val;
                    uint32 parts[2];
                } u;
                u.parts[0] = argv[p++];
                u.parts[1] = argv[p++];
                out_results[i].kind = WASM_ANYREF;
                out_results[i].of.foreign = u.val;
#endif
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }
}

bool
wasm_runtime_call_wasm_a(WASMExecEnv *exec_env,
                         WASMFunctionInstanceCommon *function,
                         uint32 num_results, wasm_val_t results[],
                         uint32 num_args, wasm_val_t args[])
{
    uint32 argc, argv_buf[16] = { 0 }, *argv = argv_buf, cell_num, module_type;
#if WASM_ENABLE_REF_TYPES != 0
    uint32 i, param_size_in_double_world = 0, result_size_in_double_world = 0;
#endif
    uint64 total_size;
    WASMType *type;
    bool ret = false;

    module_type = exec_env->module_inst->module_type;
    type = wasm_runtime_get_function_type(function, module_type);

    if (!type) {
        LOG_ERROR("Function type get failed, WAMR Interpreter and AOT must be "
                  "enabled at least one.");
        goto fail1;
    }

#if WASM_ENABLE_REF_TYPES != 0
    for (i = 0; i < type->param_count; i++) {
        param_size_in_double_world +=
            wasm_value_type_cell_num_outside(type->types[i]);
    }
    for (i = 0; i < type->result_count; i++) {
        result_size_in_double_world += wasm_value_type_cell_num_outside(
            type->types[type->param_count + i]);
    }
    argc = param_size_in_double_world;
    cell_num = (argc >= result_size_in_double_world)
                   ? argc
                   : result_size_in_double_world;
#else
    argc = type->param_cell_num;
    cell_num = (argc > type->ret_cell_num) ? argc : type->ret_cell_num;
#endif

    if (num_results != type->result_count) {
        LOG_ERROR(
            "The result value number does not match the function declaration.");
        goto fail1;
    }

    if (num_args != type->param_count) {
        LOG_ERROR("The argument value number does not match the function "
                  "declaration.");
        goto fail1;
    }

    total_size = sizeof(uint32) * (uint64)(cell_num > 2 ? cell_num : 2);
    if (total_size > sizeof(argv_buf)) {
        if (!(argv =
                  runtime_malloc(total_size, exec_env->module_inst, NULL, 0))) {
            goto fail1;
        }
    }

    parse_args_to_uint32_array(type, args, argv);
    if (!(ret = wasm_runtime_call_wasm(exec_env, function, argc, argv)))
        goto fail2;

    parse_uint32_array_to_results(type, argv, results);

fail2:
    if (argv != argv_buf)
        wasm_runtime_free(argv);
fail1:
    return ret;
}

bool
wasm_runtime_call_wasm_v(WASMExecEnv *exec_env,
                         WASMFunctionInstanceCommon *function,
                         uint32 num_results, wasm_val_t results[],
                         uint32 num_args, ...)
{
    wasm_val_t args_buf[8] = { 0 }, *args = args_buf;
    WASMType *type = NULL;
    bool ret = false;
    uint64 total_size;
    uint32 i = 0, module_type;
    va_list vargs;

    module_type = exec_env->module_inst->module_type;
    type = wasm_runtime_get_function_type(function, module_type);

    if (!type) {
        LOG_ERROR("Function type get failed, WAMR Interpreter and AOT "
                  "must be enabled at least one.");
        goto fail1;
    }

    if (num_args != type->param_count) {
        LOG_ERROR("The argument value number does not match the "
                  "function declaration.");
        goto fail1;
    }

    total_size = sizeof(wasm_val_t) * (uint64)num_args;
    if (total_size > sizeof(args_buf)) {
        if (!(args =
                  runtime_malloc(total_size, exec_env->module_inst, NULL, 0))) {
            goto fail1;
        }
    }

    va_start(vargs, num_args);
    for (i = 0; i < num_args; i++) {
        switch (type->types[i]) {
            case VALUE_TYPE_I32:
                args[i].kind = WASM_I32;
                args[i].of.i32 = va_arg(vargs, uint32);
                break;
            case VALUE_TYPE_I64:
                args[i].kind = WASM_I64;
                args[i].of.i64 = va_arg(vargs, uint64);
                break;
            case VALUE_TYPE_F32:
                args[i].kind = WASM_F32;
                args[i].of.f32 = (float32)va_arg(vargs, float64);
                break;
            case VALUE_TYPE_F64:
                args[i].kind = WASM_F64;
                args[i].of.f64 = va_arg(vargs, float64);
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
            {
                args[i].kind = WASM_FUNCREF;
                args[i].of.i32 = va_arg(vargs, uint32);
                break;
            }
            case VALUE_TYPE_EXTERNREF:
            {
                args[i].kind = WASM_ANYREF;
                args[i].of.foreign = va_arg(vargs, uintptr_t);
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }
    va_end(vargs);

    ret = wasm_runtime_call_wasm_a(exec_env, function, num_results, results,
                                   num_args, args);
    if (args != args_buf)
        wasm_runtime_free(args);

fail1:
    return ret;
}

bool
wasm_runtime_create_exec_env_singleton(
    WASMModuleInstanceCommon *module_inst_comm)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;
    WASMExecEnv *exec_env = NULL;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);

    if (module_inst->exec_env_singleton) {
        return true;
    }

    exec_env = wasm_exec_env_create(module_inst_comm,
                                    module_inst->default_wasm_stack_size);
    if (exec_env)
        module_inst->exec_env_singleton = exec_env;

    return exec_env ? true : false;
}

WASMExecEnv *
wasm_runtime_get_exec_env_singleton(WASMModuleInstanceCommon *module_inst_comm)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);

    if (!module_inst->exec_env_singleton) {
        wasm_runtime_create_exec_env_singleton(module_inst_comm);
    }
    return module_inst->exec_env_singleton;
}

void
wasm_set_exception(WASMModuleInstance *module_inst, const char *exception)
{
    if (exception)
        snprintf(module_inst->cur_exception, sizeof(module_inst->cur_exception),
                 "Exception: %s", exception);
    else
        module_inst->cur_exception[0] = '\0';
}

/* clang-format off */
static const char *exception_msgs[] = {
    "unreachable",                    /* EXCE_UNREACHABLE */
    "allocate memory failed",         /* EXCE_OUT_OF_MEMORY */
    "out of bounds memory access",    /* EXCE_OUT_OF_BOUNDS_MEMORY_ACCESS */
    "integer overflow",               /* EXCE_INTEGER_OVERFLOW */
    "integer divide by zero",         /* EXCE_INTEGER_DIVIDE_BY_ZERO */
    "invalid conversion to integer",  /* EXCE_INVALID_CONVERSION_TO_INTEGER */
    "indirect call type mismatch",    /* EXCE_INVALID_FUNCTION_TYPE_INDEX */
    "invalid function index",         /* EXCE_INVALID_FUNCTION_INDEX */
    "undefined element",              /* EXCE_UNDEFINED_ELEMENT */
    "uninitialized element",          /* EXCE_UNINITIALIZED_ELEMENT */
    "failed to call unlinked import function", /* EXCE_CALL_UNLINKED_IMPORT_FUNC */
    "native stack overflow",          /* EXCE_NATIVE_STACK_OVERFLOW */
    "unaligned atomic",               /* EXCE_UNALIGNED_ATOMIC */
    "wasm auxiliary stack overflow",  /* EXCE_AUX_STACK_OVERFLOW */
    "wasm auxiliary stack underflow", /* EXCE_AUX_STACK_UNDERFLOW */
    "out of bounds table access",     /* EXCE_OUT_OF_BOUNDS_TABLE_ACCESS */
    "wasm operand stack overflow",    /* EXCE_OPERAND_STACK_OVERFLOW */
    "",                               /* EXCE_ALREADY_THROWN */
};
/* clang-format on */

void
wasm_set_exception_with_id(WASMModuleInstance *module_inst, uint32 id)
{
    if (id < EXCE_NUM)
        wasm_set_exception(module_inst, exception_msgs[id]);
    else
        wasm_set_exception(module_inst, "unknown exception");
}

const char *
wasm_get_exception(WASMModuleInstance *module_inst)
{
    if (module_inst->cur_exception[0] == '\0')
        return NULL;
    else
        return module_inst->cur_exception;
}

void
wasm_runtime_set_exception(WASMModuleInstanceCommon *module_inst_comm,
                           const char *exception)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    wasm_set_exception(module_inst, exception);
}

const char *
wasm_runtime_get_exception(WASMModuleInstanceCommon *module_inst_comm)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    return wasm_get_exception(module_inst);
}

void
wasm_runtime_clear_exception(WASMModuleInstanceCommon *module_inst_comm)
{
    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    wasm_runtime_set_exception(module_inst_comm, NULL);
}

void
wasm_runtime_set_custom_data_internal(
    WASMModuleInstanceCommon *module_inst_comm, void *custom_data)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    module_inst->custom_data = custom_data;
}

void
wasm_runtime_set_custom_data(WASMModuleInstanceCommon *module_inst,
                             void *custom_data)
{
#if WASM_ENABLE_THREAD_MGR != 0
    wasm_cluster_spread_custom_data(module_inst, custom_data);
#else
    wasm_runtime_set_custom_data_internal(module_inst, custom_data);
#endif
}

void *
wasm_runtime_get_custom_data(WASMModuleInstanceCommon *module_inst_comm)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    return module_inst->custom_data;
}

uint32
wasm_runtime_module_malloc(WASMModuleInstanceCommon *module_inst, uint32 size,
                           void **p_native_addr)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode)
        return wasm_module_malloc((WASMModuleInstance *)module_inst, size,
                                  p_native_addr);
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT)
        return aot_module_malloc((AOTModuleInstance *)module_inst, size,
                                 p_native_addr);
#endif
    return 0;
}

uint32
wasm_runtime_module_realloc(WASMModuleInstanceCommon *module_inst, uint32 ptr,
                            uint32 size, void **p_native_addr)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode)
        return wasm_module_realloc((WASMModuleInstance *)module_inst, ptr, size,
                                   p_native_addr);
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT)
        return aot_module_realloc((AOTModuleInstance *)module_inst, ptr, size,
                                  p_native_addr);
#endif
    return 0;
}

void
wasm_runtime_module_free(WASMModuleInstanceCommon *module_inst, uint32 ptr)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        wasm_module_free((WASMModuleInstance *)module_inst, ptr);
        return;
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        aot_module_free((AOTModuleInstance *)module_inst, ptr);
        return;
    }
#endif
}

uint32
wasm_runtime_module_dup_data(WASMModuleInstanceCommon *module_inst,
                             const char *src, uint32 size)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        return wasm_module_dup_data((WASMModuleInstance *)module_inst, src,
                                    size);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        return aot_module_dup_data((AOTModuleInstance *)module_inst, src, size);
    }
#endif
    return 0;
}

#if WASM_ENABLE_LIBC_WASI != 0

static WASIArguments *
get_wasi_args_from_module(wasm_module_t module)
{
    WASIArguments *wasi_args = NULL;

#if WASM_ENABLE_INTERP != 0 || WASM_ENABLE_JIT != 0
    if (module->module_type == Wasm_Module_Bytecode)
        wasi_args = &((WASMModule *)module)->wasi_args;
#endif
#if WASM_ENABLE_AOT != 0
    if (module->module_type == Wasm_Module_AoT)
        wasi_args = &((AOTModule *)module)->wasi_args;
#endif

    return wasi_args;
}

void
wasm_runtime_set_wasi_args_ex(WASMModuleCommon *module, const char *dir_list[],
                              uint32 dir_count, const char *map_dir_list[],
                              uint32 map_dir_count, const char *env_list[],
                              uint32 env_count, char *argv[], int argc,
                              int stdinfd, int stdoutfd, int stderrfd)
{
    WASIArguments *wasi_args = get_wasi_args_from_module(module);

    if (wasi_args) {
        wasi_args->dir_list = dir_list;
        wasi_args->dir_count = dir_count;
        wasi_args->map_dir_list = map_dir_list;
        wasi_args->map_dir_count = map_dir_count;
        wasi_args->env = env_list;
        wasi_args->env_count = env_count;
        wasi_args->argv = argv;
        wasi_args->argc = (uint32)argc;
        wasi_args->stdio[0] = stdinfd;
        wasi_args->stdio[1] = stdoutfd;
        wasi_args->stdio[2] = stderrfd;
    }
}

void
wasm_runtime_set_wasi_args(WASMModuleCommon *module, const char *dir_list[],
                           uint32 dir_count, const char *map_dir_list[],
                           uint32 map_dir_count, const char *env_list[],
                           uint32 env_count, char *argv[], int argc)
{
    wasm_runtime_set_wasi_args_ex(module, dir_list, dir_count, map_dir_list,
                                  map_dir_count, env_list, env_count, argv,
                                  argc, -1, -1, -1);
}

void
wasm_runtime_set_wasi_addr_pool(wasm_module_t module, const char *addr_pool[],
                                uint32 addr_pool_size)
{
    WASIArguments *wasi_args = get_wasi_args_from_module(module);

    if (wasi_args) {
        wasi_args->addr_pool = addr_pool;
        wasi_args->addr_count = addr_pool_size;
    }
}

void
wasm_runtime_set_wasi_ns_lookup_pool(wasm_module_t module,
                                     const char *ns_lookup_pool[],
                                     uint32 ns_lookup_pool_size)
{
    WASIArguments *wasi_args = get_wasi_args_from_module(module);

    if (wasi_args) {
        wasi_args->ns_lookup_pool = ns_lookup_pool;
        wasi_args->ns_lookup_count = ns_lookup_pool_size;
    }
}

#if WASM_ENABLE_UVWASI == 0
static bool
copy_string_array(const char *array[], uint32 array_size, char **buf_ptr,
                  char ***list_ptr, uint64 *out_buf_size)
{
    uint64 buf_size = 0, total_size;
    uint32 buf_offset = 0, i;
    char *buf = NULL, **list = NULL;

    for (i = 0; i < array_size; i++)
        buf_size += strlen(array[i]) + 1;

    /* We add +1 to generate null-terminated array of strings */
    total_size = sizeof(char *) * ((uint64)array_size + 1);
    if (total_size >= UINT32_MAX
        || (total_size > 0 && !(list = wasm_runtime_malloc((uint32)total_size)))
        || buf_size >= UINT32_MAX
        || (buf_size > 0 && !(buf = wasm_runtime_malloc((uint32)buf_size)))) {

        if (buf)
            wasm_runtime_free(buf);
        if (list)
            wasm_runtime_free(list);
        return false;
    }

    for (i = 0; i < array_size; i++) {
        list[i] = buf + buf_offset;
        bh_strcpy_s(buf + buf_offset, (uint32)buf_size - buf_offset, array[i]);
        buf_offset += (uint32)(strlen(array[i]) + 1);
    }
    list[array_size] = NULL;

    *list_ptr = list;
    *buf_ptr = buf;
    if (out_buf_size)
        *out_buf_size = buf_size;

    return true;
}

bool
wasm_runtime_init_wasi(WASMModuleInstanceCommon *module_inst,
                       const char *dir_list[], uint32 dir_count,
                       const char *map_dir_list[], uint32 map_dir_count,
                       const char *env[], uint32 env_count,
                       const char *addr_pool[], uint32 addr_pool_size,
                       const char *ns_lookup_pool[], uint32 ns_lookup_pool_size,
                       char *argv[], uint32 argc, int stdinfd, int stdoutfd,
                       int stderrfd, char *error_buf, uint32 error_buf_size)
{
    WASIContext *wasi_ctx;
    char *argv_buf = NULL;
    char **argv_list = NULL;
    char *env_buf = NULL;
    char **env_list = NULL;
    char *ns_lookup_buf = NULL;
    char **ns_lookup_list = NULL;
    uint64 argv_buf_size = 0, env_buf_size = 0;
    struct fd_table *curfds = NULL;
    struct fd_prestats *prestats = NULL;
    struct argv_environ_values *argv_environ = NULL;
    struct addr_pool *apool = NULL;
    bool fd_table_inited = false, fd_prestats_inited = false;
    bool argv_environ_inited = false;
    bool addr_pool_inited = false;
    __wasi_fd_t wasm_fd = 3;
    int32 raw_fd;
    char *path, resolved_path[PATH_MAX];
    uint32 i;

    if (!(wasi_ctx = runtime_malloc(sizeof(WASIContext), NULL, error_buf,
                                    error_buf_size))) {
        return false;
    }

    wasm_runtime_set_wasi_ctx(module_inst, wasi_ctx);

    /* process argv[0], trip the path and suffix, only keep the program name */
    if (!copy_string_array((const char **)argv, argc, &argv_buf, &argv_list,
                           &argv_buf_size)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: allocate memory failed");
        goto fail;
    }

    if (!copy_string_array(env, env_count, &env_buf, &env_list,
                           &env_buf_size)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: allocate memory failed");
        goto fail;
    }

    if (!(curfds = wasm_runtime_malloc(sizeof(struct fd_table)))
        || !(prestats = wasm_runtime_malloc(sizeof(struct fd_prestats)))
        || !(argv_environ =
                 wasm_runtime_malloc(sizeof(struct argv_environ_values)))
        || !(apool = wasm_runtime_malloc(sizeof(struct addr_pool)))) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: allocate memory failed");
        goto fail;
    }

    if (!fd_table_init(curfds)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: "
                      "init fd table failed");
        goto fail;
    }
    fd_table_inited = true;

    if (!fd_prestats_init(prestats)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: "
                      "init fd prestats failed");
        goto fail;
    }
    fd_prestats_inited = true;

    if (!argv_environ_init(argv_environ, argv_buf, argv_buf_size, argv_list,
                           argc, env_buf, env_buf_size, env_list, env_count)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: "
                      "init argument environment failed");
        goto fail;
    }
    argv_environ_inited = true;

    if (!addr_pool_init(apool)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: "
                      "init the address pool failed");
        goto fail;
    }
    addr_pool_inited = true;

    /* Prepopulate curfds with stdin, stdout, and stderr file descriptors.
     *
     * If -1 is given, use STDIN_FILENO (0), STDOUT_FILENO (1),
     * STDERR_FILENO (2) respectively.
     */
    if (!fd_table_insert_existing(curfds, 0, (stdinfd != -1) ? stdinfd : 0)
        || !fd_table_insert_existing(curfds, 1, (stdoutfd != -1) ? stdoutfd : 1)
        || !fd_table_insert_existing(curfds, 2,
                                     (stderrfd != -1) ? stderrfd : 2)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: init fd table failed");
        goto fail;
    }

    wasm_fd = 3;
    for (i = 0; i < dir_count; i++, wasm_fd++) {
        path = realpath(dir_list[i], resolved_path);
        if (!path) {
            if (error_buf)
                snprintf(error_buf, error_buf_size,
                         "error while pre-opening directory %s: %d\n",
                         dir_list[i], errno);
            goto fail;
        }

        raw_fd = open(path, O_RDONLY | O_DIRECTORY, 0);
        if (raw_fd == -1) {
            if (error_buf)
                snprintf(error_buf, error_buf_size,
                         "error while pre-opening directory %s: %d\n",
                         dir_list[i], errno);
            goto fail;
        }

        fd_table_insert_existing(curfds, wasm_fd, raw_fd);
        fd_prestats_insert(prestats, dir_list[i], wasm_fd);
    }

    /* addr_pool(textual) -> apool */
    for (i = 0; i < addr_pool_size; i++) {
        char *cp, *address, *mask;
        bool ret = false;

        cp = bh_strdup(addr_pool[i]);
        if (!cp) {
            set_error_buf(error_buf, error_buf_size,
                          "Init wasi environment failed: copy address failed");
            goto fail;
        }

        address = strtok(cp, "/");
        mask = strtok(NULL, "/");

        ret = addr_pool_insert(apool, address, (uint8)(mask ? atoi(mask) : 0));
        wasm_runtime_free(cp);
        if (!ret) {
            set_error_buf(error_buf, error_buf_size,
                          "Init wasi environment failed: store address failed");
            goto fail;
        }
    }

    if (!copy_string_array(ns_lookup_pool, ns_lookup_pool_size, &ns_lookup_buf,
                           &ns_lookup_list, NULL)) {
        set_error_buf(error_buf, error_buf_size,
                      "Init wasi environment failed: allocate memory failed");
        goto fail;
    }

    wasi_ctx->curfds = curfds;
    wasi_ctx->prestats = prestats;
    wasi_ctx->argv_environ = argv_environ;
    wasi_ctx->addr_pool = apool;
    wasi_ctx->argv_buf = argv_buf;
    wasi_ctx->argv_list = argv_list;
    wasi_ctx->env_buf = env_buf;
    wasi_ctx->env_list = env_list;
    wasi_ctx->ns_lookup_buf = ns_lookup_buf;
    wasi_ctx->ns_lookup_list = ns_lookup_list;

    return true;

fail:
    if (argv_environ_inited)
        argv_environ_destroy(argv_environ);
    if (fd_prestats_inited)
        fd_prestats_destroy(prestats);
    if (fd_table_inited)
        fd_table_destroy(curfds);
    if (addr_pool_inited)
        addr_pool_destroy(apool);
    if (curfds)
        wasm_runtime_free(curfds);
    if (prestats)
        wasm_runtime_free(prestats);
    if (argv_environ)
        wasm_runtime_free(argv_environ);
    if (apool)
        wasm_runtime_free(apool);
    if (argv_buf)
        wasm_runtime_free(argv_buf);
    if (argv_list)
        wasm_runtime_free(argv_list);
    if (env_buf)
        wasm_runtime_free(env_buf);
    if (env_list)
        wasm_runtime_free(env_list);
    if (ns_lookup_buf)
        wasm_runtime_free(ns_lookup_buf);
    if (ns_lookup_list)
        wasm_runtime_free(ns_lookup_list);
    return false;
}
#else  /* else of WASM_ENABLE_UVWASI == 0 */
static void *
wasm_uvwasi_malloc(size_t size, void *mem_user_data)
{
    return runtime_malloc(size, NULL, NULL, 0);
    (void)mem_user_data;
}

static void
wasm_uvwasi_free(void *ptr, void *mem_user_data)
{
    if (ptr)
        wasm_runtime_free(ptr);
    (void)mem_user_data;
}

static void *
wasm_uvwasi_calloc(size_t nmemb, size_t size, void *mem_user_data)
{
    uint64 total_size = (uint64)nmemb * size;
    return runtime_malloc(total_size, NULL, NULL, 0);
    (void)mem_user_data;
}

static void *
wasm_uvwasi_realloc(void *ptr, size_t size, void *mem_user_data)
{
    if (size >= UINT32_MAX) {
        return NULL;
    }
    return wasm_runtime_realloc(ptr, (uint32)size);
}

/* clang-format off */
static uvwasi_mem_t uvwasi_allocator = {
    .mem_user_data = 0,
    .malloc = wasm_uvwasi_malloc,
    .free = wasm_uvwasi_free,
    .calloc = wasm_uvwasi_calloc,
    .realloc = wasm_uvwasi_realloc
};
/* clang-format on */

bool
wasm_runtime_init_wasi(WASMModuleInstanceCommon *module_inst,
                       const char *dir_list[], uint32 dir_count,
                       const char *map_dir_list[], uint32 map_dir_count,
                       const char *env[], uint32 env_count,
                       const char *addr_pool[], uint32 addr_pool_size,
                       const char *ns_lookup_pool[], uint32 ns_lookup_pool_size,
                       char *argv[], uint32 argc, int stdinfd, int stdoutfd,
                       int stderrfd, char *error_buf, uint32 error_buf_size)
{
    WASIContext *ctx;
    uvwasi_t *uvwasi;
    uvwasi_options_t init_options;
    const char **envp = NULL;
    uint64 total_size;
    uint32 i;
    bool ret = false;

    ctx = runtime_malloc(sizeof(*ctx), module_inst, error_buf, error_buf_size);
    if (!ctx)
        return false;
    uvwasi = &ctx->uvwasi;

    /* Setup the initialization options */
    uvwasi_options_init(&init_options);
    init_options.allocator = &uvwasi_allocator;
    init_options.argc = argc;
    init_options.argv = (const char **)argv;
    init_options.in = (stdinfd != -1) ? (uvwasi_fd_t)stdinfd : init_options.in;
    init_options.out =
        (stdoutfd != -1) ? (uvwasi_fd_t)stdoutfd : init_options.out;
    init_options.err =
        (stderrfd != -1) ? (uvwasi_fd_t)stderrfd : init_options.err;

    if (dir_count > 0) {
        init_options.preopenc = dir_count;

        total_size = sizeof(uvwasi_preopen_t) * (uint64)init_options.preopenc;
        init_options.preopens = (uvwasi_preopen_t *)runtime_malloc(
            total_size, module_inst, error_buf, error_buf_size);
        if (init_options.preopens == NULL)
            goto fail;

        for (i = 0; i < init_options.preopenc; i++) {
            init_options.preopens[i].real_path = dir_list[i];
            init_options.preopens[i].mapped_path =
                (i < map_dir_count) ? map_dir_list[i] : dir_list[i];
        }
    }

    if (env_count > 0) {
        total_size = sizeof(char *) * (uint64)(env_count + 1);
        envp =
            runtime_malloc(total_size, module_inst, error_buf, error_buf_size);
        if (envp == NULL)
            goto fail;

        for (i = 0; i < env_count; i++) {
            envp[i] = env[i];
        }
        envp[env_count] = NULL;
        init_options.envp = envp;
    }

    if (UVWASI_ESUCCESS != uvwasi_init(uvwasi, &init_options)) {
        set_error_buf(error_buf, error_buf_size, "uvwasi init failed");
        goto fail;
    }

    wasm_runtime_set_wasi_ctx(module_inst, ctx);

    ret = true;

fail:
    if (envp)
        wasm_runtime_free((void *)envp);

    if (init_options.preopens)
        wasm_runtime_free(init_options.preopens);

    if (!ret && uvwasi)
        wasm_runtime_free(uvwasi);

    return ret;
}
#endif /* end of WASM_ENABLE_UVWASI */

bool
wasm_runtime_is_wasi_mode(WASMModuleInstanceCommon *module_inst)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode
        && ((WASMModuleInstance *)module_inst)->module->import_wasi_api)
        return true;
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT
        && ((AOTModule *)((AOTModuleInstance *)module_inst)->module)
               ->import_wasi_api)
        return true;
#endif
    return false;
}

WASMFunctionInstanceCommon *
wasm_runtime_lookup_wasi_start_function(WASMModuleInstanceCommon *module_inst)
{
    uint32 i;

#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        WASMModuleInstance *wasm_inst = (WASMModuleInstance *)module_inst;
        WASMFunctionInstance *func;
        for (i = 0; i < wasm_inst->export_func_count; i++) {
            if (!strcmp(wasm_inst->export_functions[i].name, "_start")) {
                func = wasm_inst->export_functions[i].function;
                if (func->u.func->func_type->param_count != 0
                    || func->u.func->func_type->result_count != 0) {
                    LOG_ERROR("Lookup wasi _start function failed: "
                              "invalid function type.\n");
                    return NULL;
                }
                return (WASMFunctionInstanceCommon *)func;
            }
        }
        return NULL;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        AOTModuleInstance *aot_inst = (AOTModuleInstance *)module_inst;
        AOTFunctionInstance *export_funcs =
            (AOTFunctionInstance *)aot_inst->export_functions;
        for (i = 0; i < aot_inst->export_func_count; i++) {
            if (!strcmp(export_funcs[i].func_name, "_start")) {
                AOTFuncType *func_type = export_funcs[i].u.func.func_type;
                if (func_type->param_count != 0
                    || func_type->result_count != 0) {
                    LOG_ERROR("Lookup wasi _start function failed: "
                              "invalid function type.\n");
                    return NULL;
                }
                return (WASMFunctionInstanceCommon *)&export_funcs[i];
            }
        }
        return NULL;
    }
#endif /* end of WASM_ENABLE_AOT */

    return NULL;
}

#if WASM_ENABLE_UVWASI == 0
void
wasm_runtime_destroy_wasi(WASMModuleInstanceCommon *module_inst)
{
    WASIContext *wasi_ctx = wasm_runtime_get_wasi_ctx(module_inst);

    if (wasi_ctx) {
        if (wasi_ctx->argv_environ) {
            argv_environ_destroy(wasi_ctx->argv_environ);
            wasm_runtime_free(wasi_ctx->argv_environ);
        }
        if (wasi_ctx->curfds) {
            fd_table_destroy(wasi_ctx->curfds);
            wasm_runtime_free(wasi_ctx->curfds);
        }
        if (wasi_ctx->prestats) {
            fd_prestats_destroy(wasi_ctx->prestats);
            wasm_runtime_free(wasi_ctx->prestats);
        }
        if (wasi_ctx->addr_pool) {
            addr_pool_destroy(wasi_ctx->addr_pool);
            wasm_runtime_free(wasi_ctx->addr_pool);
        }
        if (wasi_ctx->argv_buf)
            wasm_runtime_free(wasi_ctx->argv_buf);
        if (wasi_ctx->argv_list)
            wasm_runtime_free(wasi_ctx->argv_list);
        if (wasi_ctx->env_buf)
            wasm_runtime_free(wasi_ctx->env_buf);
        if (wasi_ctx->env_list)
            wasm_runtime_free(wasi_ctx->env_list);
        if (wasi_ctx->ns_lookup_buf)
            wasm_runtime_free(wasi_ctx->ns_lookup_buf);
        if (wasi_ctx->ns_lookup_list)
            wasm_runtime_free(wasi_ctx->ns_lookup_list);

        wasm_runtime_free(wasi_ctx);
    }
}
#else
void
wasm_runtime_destroy_wasi(WASMModuleInstanceCommon *module_inst)
{
    WASIContext *wasi_ctx = wasm_runtime_get_wasi_ctx(module_inst);

    if (wasi_ctx) {
        uvwasi_destroy(&wasi_ctx->uvwasi);
        wasm_runtime_free(wasi_ctx);
    }
}
#endif

uint32_t
wasm_runtime_get_wasi_exit_code(WASMModuleInstanceCommon *module_inst)
{
    WASIContext *wasi_ctx = wasm_runtime_get_wasi_ctx(module_inst);
    return wasi_ctx->exit_code;
}

WASIContext *
wasm_runtime_get_wasi_ctx(WASMModuleInstanceCommon *module_inst_comm)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    return module_inst->wasi_ctx;
}

void
wasm_runtime_set_wasi_ctx(WASMModuleInstanceCommon *module_inst_comm,
                          WASIContext *wasi_ctx)
{
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    module_inst->wasi_ctx = wasi_ctx;
}
#endif /* end of WASM_ENABLE_LIBC_WASI */

WASMModuleCommon *
wasm_exec_env_get_module(WASMExecEnv *exec_env)
{
    WASMModuleInstanceCommon *module_inst_comm =
        wasm_runtime_get_module_inst(exec_env);
    WASMModuleInstance *module_inst = (WASMModuleInstance *)module_inst_comm;

    bh_assert(module_inst_comm->module_type == Wasm_Module_Bytecode
              || module_inst_comm->module_type == Wasm_Module_AoT);
    return (WASMModuleCommon *)module_inst->module;
}

#if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
const uint8 *
wasm_runtime_get_custom_section(WASMModuleCommon *const module_comm,
                                const char *name, uint32 *len)
{
#if WASM_ENABLE_INTERP != 0
    if (module_comm->module_type == Wasm_Module_Bytecode)
        return wasm_loader_get_custom_section((WASMModule *)module_comm, name,
                                              len);
#endif
#if WASM_ENABLE_AOT != 0
    if (module_comm->module_type == Wasm_Module_AoT)
        return aot_get_custom_section((AOTModule *)module_comm, name, len);
#endif
    return NULL;
}
#endif /* end of WASM_ENABLE_LOAD_CUSTOM_SECTION != 0 */

static union {
    int a;
    char b;
} __ue = { .a = 1 };

#define is_little_endian() (__ue.b == 1)

bool
wasm_runtime_register_natives(const char *module_name,
                              NativeSymbol *native_symbols,
                              uint32 n_native_symbols)
{
    return wasm_native_register_natives(module_name, native_symbols,
                                        n_native_symbols);
}

bool
wasm_runtime_register_natives_raw(const char *module_name,
                                  NativeSymbol *native_symbols,
                                  uint32 n_native_symbols)
{
    return wasm_native_register_natives_raw(module_name, native_symbols,
                                            n_native_symbols);
}

bool
wasm_runtime_unregister_natives(const char *module_name,
                                NativeSymbol *native_symbols)
{
    return wasm_native_unregister_natives(module_name, native_symbols);
}

bool
wasm_runtime_invoke_native_raw(WASMExecEnv *exec_env, void *func_ptr,
                               const WASMType *func_type, const char *signature,
                               void *attachment, uint32 *argv, uint32 argc,
                               uint32 *argv_ret)
{
    WASMModuleInstanceCommon *module = wasm_runtime_get_module_inst(exec_env);
    typedef void (*NativeRawFuncPtr)(WASMExecEnv *, uint64 *);
    NativeRawFuncPtr invokeNativeRaw = (NativeRawFuncPtr)func_ptr;
    uint64 argv_buf[16] = { 0 }, *argv1 = argv_buf, *argv_dst, size;
    uint32 *argv_src = argv, i, argc1, ptr_len;
    uint32 arg_i32;
    bool ret = false;

    argc1 = func_type->param_count;
    if (argc1 > sizeof(argv_buf) / sizeof(uint64)) {
        size = sizeof(uint64) * (uint64)argc1;
        if (!(argv1 = runtime_malloc((uint32)size, exec_env->module_inst, NULL,
                                     0))) {
            return false;
        }
    }

    argv_dst = argv1;

    /* Traverse secondly to fill in each argument */
    for (i = 0; i < func_type->param_count; i++, argv_dst++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
            {
                *(uint32 *)argv_dst = arg_i32 = *argv_src++;
                if (signature) {
                    if (signature[i + 1] == '*') {
                        /* param is a pointer */
                        if (signature[i + 2] == '~')
                            /* pointer with length followed */
                            ptr_len = *argv_src;
                        else
                            /* pointer without length followed */
                            ptr_len = 1;

                        if (!wasm_runtime_validate_app_addr(module, arg_i32,
                                                            ptr_len))
                            goto fail;

                        *(uintptr_t *)argv_dst =
                            (uintptr_t)wasm_runtime_addr_app_to_native(module,
                                                                       arg_i32);
                    }
                    else if (signature[i + 1] == '$') {
                        /* param is a string */
                        if (!wasm_runtime_validate_app_str_addr(module,
                                                                arg_i32))
                            goto fail;

                        *(uintptr_t *)argv_dst =
                            (uintptr_t)wasm_runtime_addr_app_to_native(module,
                                                                       arg_i32);
                    }
                }
                break;
            }
            case VALUE_TYPE_I64:
            case VALUE_TYPE_F64:
                bh_memcpy_s(argv_dst, sizeof(uint64), argv_src,
                            sizeof(uint32) * 2);
                argv_src += 2;
                break;
            case VALUE_TYPE_F32:
                *(float32 *)argv_dst = *(float32 *)argv_src++;
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                uint32 externref_idx = *argv_src++;

                void *externref_obj;

                if (!wasm_externref_ref2obj(externref_idx, &externref_obj))
                    goto fail;

                bh_memcpy_s(argv_dst, sizeof(uintptr_t), argv_src,
                            sizeof(uintptr_t));
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }

    exec_env->attachment = attachment;
    invokeNativeRaw(exec_env, argv1);
    exec_env->attachment = NULL;

    if (func_type->result_count > 0) {
        switch (func_type->types[func_type->param_count]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
                argv_ret[0] = *(uint32 *)argv1;
                break;
            case VALUE_TYPE_F32:
                *(float32 *)argv_ret = *(float32 *)argv1;
                break;
            case VALUE_TYPE_I64:
            case VALUE_TYPE_F64:
                bh_memcpy_s(argv_ret, sizeof(uint32) * 2, argv1,
                            sizeof(uint64));
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                uint32 externref_idx;
                uint64 externref_obj;

                bh_memcpy_s(&externref_obj, sizeof(uint64), argv1,
                            sizeof(uint64));

                if (!wasm_externref_obj2ref(exec_env->module_inst,
                                            (void *)(uintptr_t)externref_obj,
                                            &externref_idx))
                    goto fail;
                argv_ret[0] = externref_idx;
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }

    ret = !wasm_runtime_get_exception(module) ? true : false;

fail:
    if (argv1 != argv_buf)
        wasm_runtime_free(argv1);
    return ret;
}

/**
 * Implementation of wasm_runtime_invoke_native()
 */

/* The invoke native implementation on ARM platform with VFP co-processor */
#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP) \
    || defined(BUILD_TARGET_RISCV32_ILP32D)                          \
    || defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
typedef void (*GenericFunctionPointer)();
void
invokeNative(GenericFunctionPointer f, uint32 *args, uint32 n_stacks);

typedef float64 (*Float64FuncPtr)(GenericFunctionPointer, uint32 *, uint32);
typedef float32 (*Float32FuncPtr)(GenericFunctionPointer, uint32 *, uint32);
typedef int64 (*Int64FuncPtr)(GenericFunctionPointer, uint32 *, uint32);
typedef int32 (*Int32FuncPtr)(GenericFunctionPointer, uint32 *, uint32);
typedef void (*VoidFuncPtr)(GenericFunctionPointer, uint32 *, uint32);

static volatile Float64FuncPtr invokeNative_Float64 =
    (Float64FuncPtr)(uintptr_t)invokeNative;
static volatile Float32FuncPtr invokeNative_Float32 =
    (Float32FuncPtr)(uintptr_t)invokeNative;
static volatile Int64FuncPtr invokeNative_Int64 =
    (Int64FuncPtr)(uintptr_t)invokeNative;
static volatile Int32FuncPtr invokeNative_Int32 =
    (Int32FuncPtr)(uintptr_t)invokeNative;
static volatile VoidFuncPtr invokeNative_Void =
    (VoidFuncPtr)(uintptr_t)invokeNative;

#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP)
#define MAX_REG_INTS 4
#define MAX_REG_FLOATS 16
#else
#define MAX_REG_INTS 8
#define MAX_REG_FLOATS 8
#endif

bool
wasm_runtime_invoke_native(WASMExecEnv *exec_env, void *func_ptr,
                           const WASMType *func_type, const char *signature,
                           void *attachment, uint32 *argv, uint32 argc,
                           uint32 *argv_ret)
{
    WASMModuleInstanceCommon *module = wasm_runtime_get_module_inst(exec_env);
    /* argv buf layout: int args(fix cnt) + float args(fix cnt) + stack args */
    uint32 argv_buf[32], *argv1 = argv_buf, *ints, *stacks, size;
    uint32 *argv_src = argv, i, argc1, n_ints = 0, n_stacks = 0;
    uint32 arg_i32, ptr_len;
    uint32 result_count = func_type->result_count;
    uint32 ext_ret_count = result_count > 1 ? result_count - 1 : 0;
    bool ret = false;
#if WASM_ENABLE_REF_TYPES != 0
    bool is_aot_func = (NULL == signature);
#endif
#if !defined(BUILD_TARGET_RISCV32_ILP32) && !defined(BUILD_TARGET_ARC)
    uint32 *fps;
    int n_fps = 0;
#else
#define fps ints
#define n_fps n_ints
#endif

    n_ints++; /* exec env */

    /* Traverse firstly to calculate stack args count */
    for (i = 0; i < func_type->param_count; i++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
            case VALUE_TYPE_EXTERNREF:
#endif
                if (n_ints < MAX_REG_INTS)
                    n_ints++;
                else
                    n_stacks++;
                break;
            case VALUE_TYPE_I64:
                if (n_ints < MAX_REG_INTS - 1) {
#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP)
                    /* 64-bit data must be 8 bytes aligned in arm */
                    if (n_ints & 1)
                        n_ints++;
#endif
                    n_ints += 2;
                }
#if defined(BUILD_TARGET_RISCV32_ILP32) \
    || defined(BUILD_TARGET_RISCV32_ILP32D) || defined(BUILD_TARGET_ARC)
                /* part in register, part in stack */
                else if (n_ints == MAX_REG_INTS - 1) {
                    n_ints++;
                    n_stacks++;
                }
#endif
                else {
                    /* 64-bit data in stack must be 8 bytes aligned
                       in arm and riscv32 */
#if !defined(BUILD_TARGET_ARC)
                    if (n_stacks & 1)
                        n_stacks++;
#endif
                    n_stacks += 2;
                }
                break;
#if !defined(BUILD_TARGET_RISCV32_ILP32D)
            case VALUE_TYPE_F32:
                if (n_fps < MAX_REG_FLOATS)
                    n_fps++;
                else
                    n_stacks++;
                break;
            case VALUE_TYPE_F64:
                if (n_fps < MAX_REG_FLOATS - 1) {
#if !defined(BUILD_TARGET_RISCV32_ILP32) && !defined(BUILD_TARGET_ARC)
                    /* 64-bit data must be 8 bytes aligned in arm */
                    if (n_fps & 1)
                        n_fps++;
#endif
                    n_fps += 2;
                }
#if defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
                else if (n_fps == MAX_REG_FLOATS - 1) {
                    n_fps++;
                    n_stacks++;
                }
#endif
                else {
                    /* 64-bit data in stack must be 8 bytes aligned
                       in arm and riscv32 */
#if !defined(BUILD_TARGET_ARC)
                    if (n_stacks & 1)
                        n_stacks++;
#endif
                    n_stacks += 2;
                }
                break;
#else  /* BUILD_TARGET_RISCV32_ILP32D */
            case VALUE_TYPE_F32:
            case VALUE_TYPE_F64:
                if (n_fps < MAX_REG_FLOATS) {
                    n_fps++;
                }
                else if (func_type->types[i] == VALUE_TYPE_F32
                         && n_ints < MAX_REG_INTS) {
                    /* use int reg firstly if available */
                    n_ints++;
                }
                else if (func_type->types[i] == VALUE_TYPE_F64
                         && n_ints < MAX_REG_INTS - 1) {
                    /* use int regs firstly if available */
                    if (n_ints & 1)
                        n_ints++;
                    ints += 2;
                }
                else {
                    /* 64-bit data in stack must be 8 bytes aligned in riscv32
                     */
                    if (n_stacks & 1)
                        n_stacks++;
                    n_stacks += 2;
                }
                break;
#endif /* BUILD_TARGET_RISCV32_ILP32D */
            default:
                bh_assert(0);
                break;
        }
    }

    for (i = 0; i < ext_ret_count; i++) {
        if (n_ints < MAX_REG_INTS)
            n_ints++;
        else
            n_stacks++;
    }

#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP)
    argc1 = MAX_REG_INTS + MAX_REG_FLOATS + n_stacks;
#elif defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
    argc1 = MAX_REG_INTS + n_stacks;
#else /* for BUILD_TARGET_RISCV32_ILP32D */
    argc1 = MAX_REG_INTS + MAX_REG_FLOATS * 2 + n_stacks;
#endif

    if (argc1 > sizeof(argv_buf) / sizeof(uint32)) {
        size = sizeof(uint32) * (uint32)argc1;
        if (!(argv1 = runtime_malloc((uint32)size, exec_env->module_inst, NULL,
                                     0))) {
            return false;
        }
    }

    ints = argv1;
#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP)
    fps = ints + MAX_REG_INTS;
    stacks = fps + MAX_REG_FLOATS;
#elif defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
    stacks = ints + MAX_REG_INTS;
#else /* for BUILD_TARGET_RISCV32_ILP32D */
    fps = ints + MAX_REG_INTS;
    stacks = fps + MAX_REG_FLOATS * 2;
#endif

    n_ints = 0;
    n_fps = 0;
    n_stacks = 0;
    ints[n_ints++] = (uint32)(uintptr_t)exec_env;

    /* Traverse secondly to fill in each argument */
    for (i = 0; i < func_type->param_count; i++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
            {
                arg_i32 = *argv_src++;

                if (signature) {
                    if (signature[i + 1] == '*') {
                        /* param is a pointer */
                        if (signature[i + 2] == '~')
                            /* pointer with length followed */
                            ptr_len = *argv_src;
                        else
                            /* pointer without length followed */
                            ptr_len = 1;

                        if (!wasm_runtime_validate_app_addr(module, arg_i32,
                                                            ptr_len))
                            goto fail;

                        arg_i32 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                    else if (signature[i + 1] == '$') {
                        /* param is a string */
                        if (!wasm_runtime_validate_app_str_addr(module,
                                                                arg_i32))
                            goto fail;

                        arg_i32 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                }

                if (n_ints < MAX_REG_INTS)
                    ints[n_ints++] = arg_i32;
                else
                    stacks[n_stacks++] = arg_i32;
                break;
            }
            case VALUE_TYPE_I64:
            {
                if (n_ints < MAX_REG_INTS - 1) {
#if defined(BUILD_TARGET_ARM_VFP) || defined(BUILD_TARGET_THUMB_VFP)
                    /* 64-bit data must be 8 bytes aligned in arm */
                    if (n_ints & 1)
                        n_ints++;
#endif
                    ints[n_ints++] = *argv_src++;
                    ints[n_ints++] = *argv_src++;
                }
#if defined(BUILD_TARGET_RISCV32_ILP32) \
    || defined(BUILD_TARGET_RISCV32_ILP32D) || defined(BUILD_TARGET_ARC)
                else if (n_ints == MAX_REG_INTS - 1) {
                    ints[n_ints++] = *argv_src++;
                    stacks[n_stacks++] = *argv_src++;
                }
#endif
                else {
                    /* 64-bit data in stack must be 8 bytes aligned
                       in arm and riscv32 */
#if !defined(BUILD_TARGET_ARC)
                    if (n_stacks & 1)
                        n_stacks++;
#endif
                    stacks[n_stacks++] = *argv_src++;
                    stacks[n_stacks++] = *argv_src++;
                }
                break;
            }
#if !defined(BUILD_TARGET_RISCV32_ILP32D)
            case VALUE_TYPE_F32:
            {
                if (n_fps < MAX_REG_FLOATS)
                    *(float32 *)&fps[n_fps++] = *(float32 *)argv_src++;
                else
                    *(float32 *)&stacks[n_stacks++] = *(float32 *)argv_src++;
                break;
            }
            case VALUE_TYPE_F64:
            {
                if (n_fps < MAX_REG_FLOATS - 1) {
#if !defined(BUILD_TARGET_RISCV32_ILP32) && !defined(BUILD_TARGET_ARC)
                    /* 64-bit data must be 8 bytes aligned in arm */
                    if (n_fps & 1)
                        n_fps++;
#endif
                    fps[n_fps++] = *argv_src++;
                    fps[n_fps++] = *argv_src++;
                }
#if defined(BUILD_TARGET_RISCV32_ILP32) || defined(BUILD_TARGET_ARC)
                else if (n_fps == MAX_REG_FLOATS - 1) {
                    fps[n_fps++] = *argv_src++;
                    stacks[n_stacks++] = *argv_src++;
                }
#endif
                else {
                    /* 64-bit data in stack must be 8 bytes aligned
                       in arm and riscv32 */
#if !defined(BUILD_TARGET_ARC)
                    if (n_stacks & 1)
                        n_stacks++;
#endif
                    stacks[n_stacks++] = *argv_src++;
                    stacks[n_stacks++] = *argv_src++;
                }
                break;
            }
#else  /* BUILD_TARGET_RISCV32_ILP32D */
            case VALUE_TYPE_F32:
            case VALUE_TYPE_F64:
            {
                if (n_fps < MAX_REG_FLOATS) {
                    if (func_type->types[i] == VALUE_TYPE_F32) {
                        *(float32 *)&fps[n_fps * 2] = *(float32 *)argv_src++;
                        /* NaN boxing, the upper bits of a valid NaN-boxed
                          value must be all 1s. */
                        fps[n_fps * 2 + 1] = 0xFFFFFFFF;
                    }
                    else {
                        *(float64 *)&fps[n_fps * 2] = *(float64 *)argv_src;
                        argv_src += 2;
                    }
                    n_fps++;
                }
                else if (func_type->types[i] == VALUE_TYPE_F32
                         && n_ints < MAX_REG_INTS) {
                    /* use int reg firstly if available */
                    *(float32 *)&ints[n_ints++] = *(float32 *)argv_src++;
                }
                else if (func_type->types[i] == VALUE_TYPE_F64
                         && n_ints < MAX_REG_INTS - 1) {
                    /* use int regs firstly if available */
                    if (n_ints & 1)
                        n_ints++;
                    *(float64 *)&ints[n_ints] = *(float64 *)argv_src;
                    n_ints += 2;
                    argv_src += 2;
                }
                else {
                    /* 64-bit data in stack must be 8 bytes aligned in riscv32
                     */
                    if (n_stacks & 1)
                        n_stacks++;
                    if (func_type->types[i] == VALUE_TYPE_F32) {
                        *(float32 *)&stacks[n_stacks] = *(float32 *)argv_src++;
                        /* NaN boxing, the upper bits of a valid NaN-boxed
                          value must be all 1s. */
                        stacks[n_stacks + 1] = 0xFFFFFFFF;
                    }
                    else {
                        *(float64 *)&stacks[n_stacks] = *(float64 *)argv_src;
                        argv_src += 2;
                    }
                    n_stacks += 2;
                }
                break;
            }
#endif /* BUILD_TARGET_RISCV32_ILP32D */
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                uint32 externref_idx = *argv_src++;

                if (is_aot_func) {
                    if (n_ints < MAX_REG_INTS)
                        ints[n_ints++] = externref_idx;
                    else
                        stacks[n_stacks++] = externref_idx;
                }
                else {
                    void *externref_obj;

                    if (!wasm_externref_ref2obj(externref_idx, &externref_obj))
                        goto fail;

                    if (n_ints < MAX_REG_INTS)
                        ints[n_ints++] = (uintptr_t)externref_obj;
                    else
                        stacks[n_stacks++] = (uintptr_t)externref_obj;
                }
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }

    /* Save extra result values' address to argv1 */
    for (i = 0; i < ext_ret_count; i++) {
        if (n_ints < MAX_REG_INTS)
            ints[n_ints++] = *(uint32 *)argv_src++;
        else
            stacks[n_stacks++] = *(uint32 *)argv_src++;
    }

    exec_env->attachment = attachment;
    if (func_type->result_count == 0) {
        invokeNative_Void(func_ptr, argv1, n_stacks);
    }
    else {
        switch (func_type->types[func_type->param_count]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
                argv_ret[0] =
                    (uint32)invokeNative_Int32(func_ptr, argv1, n_stacks);
                break;
            case VALUE_TYPE_I64:
                PUT_I64_TO_ADDR(argv_ret,
                                invokeNative_Int64(func_ptr, argv1, n_stacks));
                break;
            case VALUE_TYPE_F32:
                *(float32 *)argv_ret =
                    invokeNative_Float32(func_ptr, argv1, n_stacks);
                break;
            case VALUE_TYPE_F64:
                PUT_F64_TO_ADDR(
                    argv_ret, invokeNative_Float64(func_ptr, argv1, n_stacks));
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                if (is_aot_func) {
                    uint32 externref_idx =
                        (uint32)invokeNative_Int32(func_ptr, argv1, argc1);
                    argv_ret[0] = externref_idx;
                }
                else {
                    uint32 externref_idx;
                    void *externref_obj;

                    externref_obj = (void *)(uintptr_t)invokeNative_Int32(
                        func_ptr, argv1, argc1);

                    if (!wasm_externref_obj2ref(exec_env->module_inst,
                                                externref_obj, &externref_idx))
                        goto fail;

                    argv_ret[0] = externref_idx;
                }
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }
    exec_env->attachment = NULL;

    ret = !wasm_runtime_get_exception(module) ? true : false;

fail:
    if (argv1 != argv_buf)
        wasm_runtime_free(argv1);
    return ret;
}
#endif /* end of defined(BUILD_TARGET_ARM_VFP)    \
          || defined(BUILD_TARGET_THUMB_VFP)      \
          || defined(BUILD_TARGET_RISCV32_ILP32D) \
          || defined(BUILD_TARGET_RISCV32_ILP32)  \
          || defined(BUILD_TARGET_ARC) */

#if defined(BUILD_TARGET_X86_32) || defined(BUILD_TARGET_ARM)    \
    || defined(BUILD_TARGET_THUMB) || defined(BUILD_TARGET_MIPS) \
    || defined(BUILD_TARGET_XTENSA)
typedef void (*GenericFunctionPointer)();
void
invokeNative(GenericFunctionPointer f, uint32 *args, uint32 sz);

typedef float64 (*Float64FuncPtr)(GenericFunctionPointer f, uint32 *, uint32);
typedef float32 (*Float32FuncPtr)(GenericFunctionPointer f, uint32 *, uint32);
typedef int64 (*Int64FuncPtr)(GenericFunctionPointer f, uint32 *, uint32);
typedef int32 (*Int32FuncPtr)(GenericFunctionPointer f, uint32 *, uint32);
typedef void (*VoidFuncPtr)(GenericFunctionPointer f, uint32 *, uint32);

static volatile Int64FuncPtr invokeNative_Int64 =
    (Int64FuncPtr)(uintptr_t)invokeNative;
static volatile Int32FuncPtr invokeNative_Int32 =
    (Int32FuncPtr)(uintptr_t)invokeNative;
static volatile Float64FuncPtr invokeNative_Float64 =
    (Float64FuncPtr)(uintptr_t)invokeNative;
static volatile Float32FuncPtr invokeNative_Float32 =
    (Float32FuncPtr)(uintptr_t)invokeNative;
static volatile VoidFuncPtr invokeNative_Void =
    (VoidFuncPtr)(uintptr_t)invokeNative;

static inline void
word_copy(uint32 *dest, uint32 *src, unsigned num)
{
    for (; num > 0; num--)
        *dest++ = *src++;
}

bool
wasm_runtime_invoke_native(WASMExecEnv *exec_env, void *func_ptr,
                           const WASMType *func_type, const char *signature,
                           void *attachment, uint32 *argv, uint32 argc,
                           uint32 *argv_ret)
{
    WASMModuleInstanceCommon *module = wasm_runtime_get_module_inst(exec_env);
    uint32 argv_buf[32], *argv1 = argv_buf, argc1, i, j = 0;
    uint32 arg_i32, ptr_len;
    uint32 result_count = func_type->result_count;
    uint32 ext_ret_count = result_count > 1 ? result_count - 1 : 0;
    uint64 size;
    bool ret = false;
#if WASM_ENABLE_REF_TYPES != 0
    bool is_aot_func = (NULL == signature);
#endif

#if defined(BUILD_TARGET_X86_32)
    argc1 = argc + ext_ret_count + 2;
#else
    /* arm/thumb/mips/xtensa, 64-bit data must be 8 bytes aligned,
       so we need to allocate more memory. */
    argc1 = func_type->param_count * 2 + ext_ret_count + 2;
#endif

    if (argc1 > sizeof(argv_buf) / sizeof(uint32)) {
        size = sizeof(uint32) * (uint64)argc1;
        if (!(argv1 = runtime_malloc((uint32)size, exec_env->module_inst, NULL,
                                     0))) {
            return false;
        }
    }

    for (i = 0; i < sizeof(WASMExecEnv *) / sizeof(uint32); i++)
        argv1[j++] = ((uint32 *)&exec_env)[i];

    for (i = 0; i < func_type->param_count; i++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
            {
                arg_i32 = *argv++;

                if (signature) {
                    if (signature[i + 1] == '*') {
                        /* param is a pointer */
                        if (signature[i + 2] == '~')
                            /* pointer with length followed */
                            ptr_len = *argv;
                        else
                            /* pointer without length followed */
                            ptr_len = 1;

                        if (!wasm_runtime_validate_app_addr(module, arg_i32,
                                                            ptr_len))
                            goto fail;

                        arg_i32 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                    else if (signature[i + 1] == '$') {
                        /* param is a string */
                        if (!wasm_runtime_validate_app_str_addr(module,
                                                                arg_i32))
                            goto fail;

                        arg_i32 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                }

                argv1[j++] = arg_i32;
                break;
            }
            case VALUE_TYPE_I64:
            case VALUE_TYPE_F64:
#if !defined(BUILD_TARGET_X86_32)
                /* 64-bit data must be 8 bytes aligned in arm, thumb, mips
                   and xtensa */
                if (j & 1)
                    j++;
#endif
                argv1[j++] = *argv++;
                argv1[j++] = *argv++;
                break;
            case VALUE_TYPE_F32:
                argv1[j++] = *argv++;
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                uint32 externref_idx = *argv++;
                if (is_aot_func) {
                    argv1[j++] = externref_idx;
                }
                else {
                    void *externref_obj;

                    if (!wasm_externref_ref2obj(externref_idx, &externref_obj))
                        goto fail;

                    argv1[j++] = (uintptr_t)externref_obj;
                }
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }

    /* Save extra result values' address to argv1 */
    word_copy(argv1 + j, argv, ext_ret_count);

    argc1 = j + ext_ret_count;
    exec_env->attachment = attachment;
    if (func_type->result_count == 0) {
        invokeNative_Void(func_ptr, argv1, argc1);
    }
    else {
        switch (func_type->types[func_type->param_count]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
                argv_ret[0] =
                    (uint32)invokeNative_Int32(func_ptr, argv1, argc1);
                break;
            case VALUE_TYPE_I64:
                PUT_I64_TO_ADDR(argv_ret,
                                invokeNative_Int64(func_ptr, argv1, argc1));
                break;
            case VALUE_TYPE_F32:
                *(float32 *)argv_ret =
                    invokeNative_Float32(func_ptr, argv1, argc1);
                break;
            case VALUE_TYPE_F64:
                PUT_F64_TO_ADDR(argv_ret,
                                invokeNative_Float64(func_ptr, argv1, argc1));
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                if (is_aot_func) {
                    uint32 externref_idx =
                        (uint32)invokeNative_Int32(func_ptr, argv1, argc1);
                    argv_ret[0] = externref_idx;
                }
                else {
                    void *externref_obj = (void *)(uintptr_t)invokeNative_Int32(
                        func_ptr, argv1, argc1);
                    uint32 externref_idx;
                    if (!wasm_externref_obj2ref(exec_env->module_inst,
                                                externref_obj, &externref_idx))
                        goto fail;
                    argv_ret[0] = externref_idx;
                }
                break;
            }
#endif
            default:
                bh_assert(0);
                break;
        }
    }
    exec_env->attachment = NULL;

    ret = !wasm_runtime_get_exception(module) ? true : false;

fail:
    if (argv1 != argv_buf)
        wasm_runtime_free(argv1);
    return ret;
}

#endif /* end of defined(BUILD_TARGET_X86_32)   \
                 || defined(BUILD_TARGET_ARM)   \
                 || defined(BUILD_TARGET_THUMB) \
                 || defined(BUILD_TARGET_MIPS)  \
                 || defined(BUILD_TARGET_XTENSA) */

#if defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64)            \
    || defined(BUILD_TARGET_AARCH64) || defined(BUILD_TARGET_RISCV64_LP64D) \
    || defined(BUILD_TARGET_RISCV64_LP64)

#if WASM_ENABLE_SIMD != 0
#ifdef v128
#undef v128
#endif

#if defined(_WIN32) || defined(_WIN32_)
typedef union __declspec(intrin_type) __declspec(align(8)) v128 {
    __int8 m128i_i8[16];
    __int16 m128i_i16[8];
    __int32 m128i_i32[4];
    __int64 m128i_i64[2];
    unsigned __int8 m128i_u8[16];
    unsigned __int16 m128i_u16[8];
    unsigned __int32 m128i_u32[4];
    unsigned __int64 m128i_u64[2];
} v128;
#elif defined(BUILD_TARGET_X86_64) || defined(BUILD_TARGET_AMD_64) \
    || defined(BUILD_TARGET_RISCV64_LP64D)                         \
    || defined(BUILD_TARGET_RISCV64_LP64)
typedef long long v128
    __attribute__((__vector_size__(16), __may_alias__, __aligned__(1)));
#elif defined(BUILD_TARGET_AARCH64)
#include <arm_neon.h>
typedef uint32x4_t __m128i;
#define v128 __m128i
#endif

#endif /* end of WASM_ENABLE_SIMD != 0 */

typedef void (*GenericFunctionPointer)();
void
invokeNative(GenericFunctionPointer f, uint64 *args, uint64 n_stacks);

typedef float64 (*Float64FuncPtr)(GenericFunctionPointer, uint64 *, uint64);
typedef float32 (*Float32FuncPtr)(GenericFunctionPointer, uint64 *, uint64);
typedef int64 (*Int64FuncPtr)(GenericFunctionPointer, uint64 *, uint64);
typedef int32 (*Int32FuncPtr)(GenericFunctionPointer, uint64 *, uint64);
typedef void (*VoidFuncPtr)(GenericFunctionPointer, uint64 *, uint64);

static volatile Float64FuncPtr invokeNative_Float64 =
    (Float64FuncPtr)(uintptr_t)invokeNative;
static volatile Float32FuncPtr invokeNative_Float32 =
    (Float32FuncPtr)(uintptr_t)invokeNative;
static volatile Int64FuncPtr invokeNative_Int64 =
    (Int64FuncPtr)(uintptr_t)invokeNative;
static volatile Int32FuncPtr invokeNative_Int32 =
    (Int32FuncPtr)(uintptr_t)invokeNative;
static volatile VoidFuncPtr invokeNative_Void =
    (VoidFuncPtr)(uintptr_t)invokeNative;

#if WASM_ENABLE_SIMD != 0
typedef v128 (*V128FuncPtr)(GenericFunctionPointer, uint64 *, uint64);
static V128FuncPtr invokeNative_V128 = (V128FuncPtr)(uintptr_t)invokeNative;
#endif

#if defined(_WIN32) || defined(_WIN32_)
#define MAX_REG_FLOATS 4
#define MAX_REG_INTS 4
#else /* else of defined(_WIN32) || defined(_WIN32_) */
#define MAX_REG_FLOATS 8
#if defined(BUILD_TARGET_AARCH64) || defined(BUILD_TARGET_RISCV64_LP64D) \
    || defined(BUILD_TARGET_RISCV64_LP64)
#define MAX_REG_INTS 8
#else
#define MAX_REG_INTS 6
#endif /* end of defined(BUILD_TARGET_AARCH64)   \
          || defined(BUILD_TARGET_RISCV64_LP64D) \
          || defined(BUILD_TARGET_RISCV64_LP64) */
#endif /* end of defined(_WIN32) || defined(_WIN32_) */

bool
wasm_runtime_invoke_native(WASMExecEnv *exec_env, void *func_ptr,
                           const WASMType *func_type, const char *signature,
                           void *attachment, uint32 *argv, uint32 argc,
                           uint32 *argv_ret)
{
    WASMModuleInstanceCommon *module = wasm_runtime_get_module_inst(exec_env);
    uint64 argv_buf[32] = { 0 }, *argv1 = argv_buf, *ints, *stacks, size,
           arg_i64;
    uint32 *argv_src = argv, i, argc1, n_ints = 0, n_stacks = 0;
    uint32 arg_i32, ptr_len;
    uint32 result_count = func_type->result_count;
    uint32 ext_ret_count = result_count > 1 ? result_count - 1 : 0;
    bool ret = false;
#if WASM_ENABLE_REF_TYPES != 0
    bool is_aot_func = (NULL == signature);
#endif
#ifndef BUILD_TARGET_RISCV64_LP64
#if WASM_ENABLE_SIMD == 0
    uint64 *fps;
#else
    v128 *fps;
#endif
#else /* else of BUILD_TARGET_RISCV64_LP64 */
#define fps ints
#endif /* end of BUILD_TARGET_RISCV64_LP64 */

#if defined(_WIN32) || defined(_WIN32_) || defined(BUILD_TARGET_RISCV64_LP64)
    /* important difference in calling conventions */
#define n_fps n_ints
#else
    int n_fps = 0;
#endif

#if WASM_ENABLE_SIMD == 0
    argc1 = 1 + MAX_REG_FLOATS + (uint32)func_type->param_count + ext_ret_count;
#else
    argc1 = 1 + MAX_REG_FLOATS * 2 + (uint32)func_type->param_count * 2
            + ext_ret_count;
#endif
    if (argc1 > sizeof(argv_buf) / sizeof(uint64)) {
        size = sizeof(uint64) * (uint64)argc1;
        if (!(argv1 = runtime_malloc((uint32)size, exec_env->module_inst, NULL,
                                     0))) {
            return false;
        }
    }

#ifndef BUILD_TARGET_RISCV64_LP64
#if WASM_ENABLE_SIMD == 0
    fps = argv1;
    ints = fps + MAX_REG_FLOATS;
#else
    fps = (v128 *)argv1;
    ints = (uint64 *)(fps + MAX_REG_FLOATS);
#endif
#else  /* else of BUILD_TARGET_RISCV64_LP64 */
    ints = argv1;
#endif /* end of BUILD_TARGET_RISCV64_LP64 */
    stacks = ints + MAX_REG_INTS;

    ints[n_ints++] = (uint64)(uintptr_t)exec_env;

    for (i = 0; i < func_type->param_count; i++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
            {
                arg_i32 = *argv_src++;
                arg_i64 = arg_i32;
                if (signature) {
                    if (signature[i + 1] == '*') {
                        /* param is a pointer */
                        if (signature[i + 2] == '~')
                            /* pointer with length followed */
                            ptr_len = *argv_src;
                        else
                            /* pointer without length followed */
                            ptr_len = 1;

                        if (!wasm_runtime_validate_app_addr(module, arg_i32,
                                                            ptr_len))
                            goto fail;

                        arg_i64 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                    else if (signature[i + 1] == '$') {
                        /* param is a string */
                        if (!wasm_runtime_validate_app_str_addr(module,
                                                                arg_i32))
                            goto fail;

                        arg_i64 = (uintptr_t)wasm_runtime_addr_app_to_native(
                            module, arg_i32);
                    }
                }
                if (n_ints < MAX_REG_INTS)
                    ints[n_ints++] = arg_i64;
                else
                    stacks[n_stacks++] = arg_i64;
                break;
            }
            case VALUE_TYPE_I64:
                if (n_ints < MAX_REG_INTS)
                    ints[n_ints++] = *(uint64 *)argv_src;
                else
                    stacks[n_stacks++] = *(uint64 *)argv_src;
                argv_src += 2;
                break;
            case VALUE_TYPE_F32:
                if (n_fps < MAX_REG_FLOATS) {
                    *(float32 *)&fps[n_fps++] = *(float32 *)argv_src++;
                }
                else {
                    *(float32 *)&stacks[n_stacks++] = *(float32 *)argv_src++;
                }
                break;
            case VALUE_TYPE_F64:
                if (n_fps < MAX_REG_FLOATS) {
                    *(float64 *)&fps[n_fps++] = *(float64 *)argv_src;
                }
                else {
                    *(float64 *)&stacks[n_stacks++] = *(float64 *)argv_src;
                }
                argv_src += 2;
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                uint32 externref_idx = *argv_src++;
                if (is_aot_func) {
                    if (n_ints < MAX_REG_INTS)
                        ints[n_ints++] = externref_idx;
                    else
                        stacks[n_stacks++] = externref_idx;
                }
                else {
                    void *externref_obj;

                    if (!wasm_externref_ref2obj(externref_idx, &externref_obj))
                        goto fail;

                    if (n_ints < MAX_REG_INTS)
                        ints[n_ints++] = (uintptr_t)externref_obj;
                    else
                        stacks[n_stacks++] = (uintptr_t)externref_obj;
                }
                break;
            }
#endif
#if WASM_ENABLE_SIMD != 0
            case VALUE_TYPE_V128:
                if (n_fps < MAX_REG_FLOATS) {
                    *(v128 *)&fps[n_fps++] = *(v128 *)argv_src;
                }
                else {
                    *(v128 *)&stacks[n_stacks++] = *(v128 *)argv_src;
                    n_stacks++;
                }
                argv_src += 4;
                break;
#endif
            default:
                bh_assert(0);
                break;
        }
    }

    /* Save extra result values' address to argv1 */
    for (i = 0; i < ext_ret_count; i++) {
        if (n_ints < MAX_REG_INTS)
            ints[n_ints++] = *(uint64 *)argv_src;
        else
            stacks[n_stacks++] = *(uint64 *)argv_src;
        argv_src += 2;
    }

    exec_env->attachment = attachment;
    if (result_count == 0) {
        invokeNative_Void(func_ptr, argv1, n_stacks);
    }
    else {
        /* Invoke the native function and get the first result value */
        switch (func_type->types[func_type->param_count]) {
            case VALUE_TYPE_I32:
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_FUNCREF:
#endif
                argv_ret[0] =
                    (uint32)invokeNative_Int32(func_ptr, argv1, n_stacks);
                break;
            case VALUE_TYPE_I64:
                PUT_I64_TO_ADDR(argv_ret,
                                invokeNative_Int64(func_ptr, argv1, n_stacks));
                break;
            case VALUE_TYPE_F32:
                *(float32 *)argv_ret =
                    invokeNative_Float32(func_ptr, argv1, n_stacks);
                break;
            case VALUE_TYPE_F64:
                PUT_F64_TO_ADDR(
                    argv_ret, invokeNative_Float64(func_ptr, argv1, n_stacks));
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
            {
                if (is_aot_func) {
                    argv_ret[0] = invokeNative_Int32(func_ptr, argv1, n_stacks);
                }
                else {
                    uint32 externref_idx;
                    void *externref_obj = (void *)(uintptr_t)invokeNative_Int64(
                        func_ptr, argv1, n_stacks);

                    if (!wasm_externref_obj2ref(exec_env->module_inst,
                                                externref_obj, &externref_idx))
                        goto fail;

                    argv_ret[0] = externref_idx;
                }
                break;
            }
#endif
#if WASM_ENABLE_SIMD != 0
            case VALUE_TYPE_V128:
                *(v128 *)argv_ret =
                    invokeNative_V128(func_ptr, argv1, n_stacks);
                break;
#endif
            default:
                bh_assert(0);
                break;
        }
    }
    exec_env->attachment = NULL;

    ret = !wasm_runtime_get_exception(module) ? true : false;
fail:
    if (argv1 != argv_buf)
        wasm_runtime_free(argv1);

    return ret;
}

#endif /* end of defined(BUILD_TARGET_X86_64)           \
                 || defined(BUILD_TARGET_AMD_64)        \
                 || defined(BUILD_TARGET_AARCH64)       \
                 || defined(BUILD_TARGET_RISCV64_LP64D) \
                 || defined(BUILD_TARGET_RISCV64_LP64) */

bool
wasm_runtime_call_indirect(WASMExecEnv *exec_env, uint32 element_indices,
                           uint32 argc, uint32 argv[])
{
    if (!wasm_runtime_exec_env_check(exec_env)) {
        LOG_ERROR("Invalid exec env stack info.");
        return false;
    }

    /* this function is called from native code, so exec_env->handle and
       exec_env->native_stack_boundary must have been set, we don't set
       it again */

#if WASM_ENABLE_INTERP != 0
    if (exec_env->module_inst->module_type == Wasm_Module_Bytecode)
        return wasm_call_indirect(exec_env, 0, element_indices, argc, argv);
#endif
#if WASM_ENABLE_AOT != 0
    if (exec_env->module_inst->module_type == Wasm_Module_AoT)
        return aot_call_indirect(exec_env, 0, element_indices, argc, argv);
#endif
    return false;
}

static void
exchange_uint32(uint8 *p_data)
{
    uint8 value = *p_data;
    *p_data = *(p_data + 3);
    *(p_data + 3) = value;

    value = *(p_data + 1);
    *(p_data + 1) = *(p_data + 2);
    *(p_data + 2) = value;
}

static void
exchange_uint64(uint8 *p_data)
{
    uint32 value;

    value = *(uint32 *)p_data;
    *(uint32 *)p_data = *(uint32 *)(p_data + 4);
    *(uint32 *)(p_data + 4) = value;
    exchange_uint32(p_data);
    exchange_uint32(p_data + 4);
}

void
wasm_runtime_read_v128(const uint8 *bytes, uint64 *ret1, uint64 *ret2)
{
    uint64 u1, u2;

    bh_memcpy_s(&u1, 8, bytes, 8);
    bh_memcpy_s(&u2, 8, bytes + 8, 8);

    if (!is_little_endian()) {
        exchange_uint64((uint8 *)&u1);
        exchange_uint64((uint8 *)&u2);
        *ret1 = u2;
        *ret2 = u1;
    }
    else {
        *ret1 = u1;
        *ret2 = u2;
    }
}

#if WASM_ENABLE_THREAD_MGR != 0
typedef struct WASMThreadArg {
    WASMExecEnv *new_exec_env;
    wasm_thread_callback_t callback;
    void *arg;
} WASMThreadArg;

WASMExecEnv *
wasm_runtime_spawn_exec_env(WASMExecEnv *exec_env)
{
    return wasm_cluster_spawn_exec_env(exec_env);
}

void
wasm_runtime_destroy_spawned_exec_env(WASMExecEnv *exec_env)
{
    wasm_cluster_destroy_spawned_exec_env(exec_env);
}

static void *
wasm_runtime_thread_routine(void *arg)
{
    WASMThreadArg *thread_arg = (WASMThreadArg *)arg;
    void *ret;

    bh_assert(thread_arg->new_exec_env);
    ret = thread_arg->callback(thread_arg->new_exec_env, thread_arg->arg);

    wasm_runtime_destroy_spawned_exec_env(thread_arg->new_exec_env);
    wasm_runtime_free(thread_arg);

    os_thread_exit(ret);
    return ret;
}

int32
wasm_runtime_spawn_thread(WASMExecEnv *exec_env, wasm_thread_t *tid,
                          wasm_thread_callback_t callback, void *arg)
{
    WASMExecEnv *new_exec_env = wasm_runtime_spawn_exec_env(exec_env);
    WASMThreadArg *thread_arg;
    int32 ret;

    if (!new_exec_env)
        return -1;

    if (!(thread_arg = wasm_runtime_malloc(sizeof(WASMThreadArg)))) {
        wasm_runtime_destroy_spawned_exec_env(new_exec_env);
        return -1;
    }

    thread_arg->new_exec_env = new_exec_env;
    thread_arg->callback = callback;
    thread_arg->arg = arg;

    ret = os_thread_create((korp_tid *)tid, wasm_runtime_thread_routine,
                           thread_arg, APP_THREAD_STACK_SIZE_DEFAULT);

    if (ret != 0) {
        wasm_runtime_destroy_spawned_exec_env(new_exec_env);
        wasm_runtime_free(thread_arg);
    }

    return ret;
}

int32
wasm_runtime_join_thread(wasm_thread_t tid, void **retval)
{
    return os_thread_join((korp_tid)tid, retval);
}

#endif /* end of WASM_ENABLE_THREAD_MGR */

#if WASM_ENABLE_REF_TYPES != 0

static korp_mutex externref_lock;
static uint32 externref_global_id = 1;
static HashMap *externref_map;

typedef struct ExternRefMapNode {
    /* The extern object from runtime embedder */
    void *extern_obj;
    /* The module instance it belongs to */
    WASMModuleInstanceCommon *module_inst;
    /* Whether it is retained */
    bool retained;
    /* Whether it is marked by runtime */
    bool marked;
} ExternRefMapNode;

static uint32
wasm_externref_hash(const void *key)
{
    uint32 externref_idx = (uint32)(uintptr_t)key;
    return externref_idx;
}

static bool
wasm_externref_equal(void *key1, void *key2)
{
    uint32 externref_idx1 = (uint32)(uintptr_t)key1;
    uint32 externref_idx2 = (uint32)(uintptr_t)key2;
    return externref_idx1 == externref_idx2 ? true : false;
}

static bool
wasm_externref_map_init()
{
    if (os_mutex_init(&externref_lock) != 0)
        return false;

    if (!(externref_map = bh_hash_map_create(32, false, wasm_externref_hash,
                                             wasm_externref_equal, NULL,
                                             wasm_runtime_free))) {
        os_mutex_destroy(&externref_lock);
        return false;
    }

    externref_global_id = 1;
    return true;
}

static void
wasm_externref_map_destroy()
{
    bh_hash_map_destroy(externref_map);
    os_mutex_destroy(&externref_lock);
}

typedef struct LookupExtObj_UserData {
    ExternRefMapNode node;
    bool found;
    uint32 externref_idx;
} LookupExtObj_UserData;

static void
lookup_extobj_callback(void *key, void *value, void *user_data)
{
    uint32 externref_idx = (uint32)(uintptr_t)key;
    ExternRefMapNode *node = (ExternRefMapNode *)value;
    LookupExtObj_UserData *user_data_lookup =
        (LookupExtObj_UserData *)user_data;

    if (node->extern_obj == user_data_lookup->node.extern_obj
        && node->module_inst == user_data_lookup->node.module_inst) {
        user_data_lookup->found = true;
        user_data_lookup->externref_idx = externref_idx;
    }
}

bool
wasm_externref_obj2ref(WASMModuleInstanceCommon *module_inst, void *extern_obj,
                       uint32 *p_externref_idx)
{
    LookupExtObj_UserData lookup_user_data = { 0 };
    ExternRefMapNode *node;
    uint32 externref_idx;

    /*
     * to catch a parameter from `wasm_application_execute_func`,
     * which represents a string 'null'
     */
#if UINTPTR_MAX == UINT32_MAX
    if ((uint32)-1 == (uintptr_t)extern_obj) {
#else
    if ((uint64)-1LL == (uintptr_t)extern_obj) {
#endif
        *p_externref_idx = NULL_REF;
        return true;
    }

    /* in a wrapper, extern_obj could be any value */
    lookup_user_data.node.extern_obj = extern_obj;
    lookup_user_data.node.module_inst = module_inst;
    lookup_user_data.found = false;

    os_mutex_lock(&externref_lock);

    /* Lookup hashmap firstly */
    bh_hash_map_traverse(externref_map, lookup_extobj_callback,
                         (void *)&lookup_user_data);
    if (lookup_user_data.found) {
        *p_externref_idx = lookup_user_data.externref_idx;
        os_mutex_unlock(&externref_lock);
        return true;
    }

    /* Not found in hashmap */
    if (externref_global_id == NULL_REF || externref_global_id == 0) {
        goto fail1;
    }

    if (!(node = wasm_runtime_malloc(sizeof(ExternRefMapNode)))) {
        goto fail1;
    }

    memset(node, 0, sizeof(ExternRefMapNode));
    node->extern_obj = extern_obj;
    node->module_inst = module_inst;

    externref_idx = externref_global_id;

    if (!bh_hash_map_insert(externref_map, (void *)(uintptr_t)externref_idx,
                            (void *)node)) {
        goto fail2;
    }

    externref_global_id++;
    *p_externref_idx = externref_idx;
    os_mutex_unlock(&externref_lock);
    return true;
fail2:
    wasm_runtime_free(node);
fail1:
    os_mutex_unlock(&externref_lock);
    return false;
}

bool
wasm_externref_ref2obj(uint32 externref_idx, void **p_extern_obj)
{
    ExternRefMapNode *node;

    /* catch a `ref.null` vairable */
    if (externref_idx == NULL_REF) {
        *p_extern_obj = NULL;
        return true;
    }

    os_mutex_lock(&externref_lock);
    node = bh_hash_map_find(externref_map, (void *)(uintptr_t)externref_idx);
    os_mutex_unlock(&externref_lock);

    if (!node)
        return false;

    *p_extern_obj = node->extern_obj;
    return true;
}

static void
reclaim_extobj_callback(void *key, void *value, void *user_data)
{
    ExternRefMapNode *node = (ExternRefMapNode *)value;
    WASMModuleInstanceCommon *module_inst =
        (WASMModuleInstanceCommon *)user_data;

    if (node->module_inst == module_inst) {
        if (!node->marked && !node->retained) {
            bh_hash_map_remove(externref_map, key, NULL, NULL);
            wasm_runtime_free(value);
        }
        else {
            node->marked = false;
        }
    }
}

static void
mark_externref(uint32 externref_idx)
{
    ExternRefMapNode *node;

    if (externref_idx != NULL_REF) {
        node =
            bh_hash_map_find(externref_map, (void *)(uintptr_t)externref_idx);
        if (node) {
            node->marked = true;
        }
    }
}

#if WASM_ENABLE_INTERP != 0
static void
interp_mark_all_externrefs(WASMModuleInstance *module_inst)
{
    uint32 i, j, externref_idx, *table_data;
    uint8 *global_data = module_inst->global_data;
    WASMGlobalInstance *global;
    WASMTableInstance *table;

    global = module_inst->e->globals;
    for (i = 0; i < module_inst->e->global_count; i++, global++) {
        if (global->type == VALUE_TYPE_EXTERNREF) {
            externref_idx = *(uint32 *)(global_data + global->data_offset);
            mark_externref(externref_idx);
        }
    }

    for (i = 0; i < module_inst->table_count; i++) {
        uint8 elem_type = 0;
        uint32 init_size, max_size;

        table = wasm_get_table_inst(module_inst, i);
        (void)wasm_runtime_get_table_inst_elem_type(
            (WASMModuleInstanceCommon *)module_inst, i, &elem_type, &init_size,
            &max_size);

        if (elem_type == VALUE_TYPE_EXTERNREF) {
            table_data = table->elems;
            for (j = 0; j < table->cur_size; j++) {
                externref_idx = table_data[j];
                mark_externref(externref_idx);
            }
        }
        (void)init_size;
        (void)max_size;
    }
}
#endif

#if WASM_ENABLE_AOT != 0
static void
aot_mark_all_externrefs(AOTModuleInstance *module_inst)
{
    uint32 i = 0, j = 0;
    const AOTModule *module = (AOTModule *)module_inst->module;
    const AOTTable *table = module->tables;
    const AOTGlobal *global = module->globals;
    const AOTTableInstance *table_inst;

    for (i = 0; i < module->global_count; i++, global++) {
        if (global->type == VALUE_TYPE_EXTERNREF) {
            mark_externref(
                *(uint32 *)(module_inst->global_data + global->data_offset));
        }
    }

    for (i = 0; i < module->table_count; i++) {
        table_inst = module_inst->tables[i];
        if ((table + i)->elem_type == VALUE_TYPE_EXTERNREF) {
            while (j < table_inst->cur_size) {
                mark_externref(table_inst->elems[j++]);
            }
        }
    }
}
#endif

void
wasm_externref_reclaim(WASMModuleInstanceCommon *module_inst)
{
    os_mutex_lock(&externref_lock);
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode)
        interp_mark_all_externrefs((WASMModuleInstance *)module_inst);
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT)
        aot_mark_all_externrefs((AOTModuleInstance *)module_inst);
#endif

    bh_hash_map_traverse(externref_map, reclaim_extobj_callback,
                         (void *)module_inst);
    os_mutex_unlock(&externref_lock);
}

static void
cleanup_extobj_callback(void *key, void *value, void *user_data)
{
    ExternRefMapNode *node = (ExternRefMapNode *)value;
    WASMModuleInstanceCommon *module_inst =
        (WASMModuleInstanceCommon *)user_data;

    if (node->module_inst == module_inst) {
        bh_hash_map_remove(externref_map, key, NULL, NULL);
        wasm_runtime_free(value);
    }
}

void
wasm_externref_cleanup(WASMModuleInstanceCommon *module_inst)
{
    os_mutex_lock(&externref_lock);
    bh_hash_map_traverse(externref_map, cleanup_extobj_callback,
                         (void *)module_inst);
    os_mutex_unlock(&externref_lock);
}

bool
wasm_externref_retain(uint32 externref_idx)
{
    ExternRefMapNode *node;

    os_mutex_lock(&externref_lock);

    if (externref_idx != NULL_REF) {
        node =
            bh_hash_map_find(externref_map, (void *)(uintptr_t)externref_idx);
        if (node) {
            node->retained = true;
            os_mutex_unlock(&externref_lock);
            return true;
        }
    }

    os_mutex_unlock(&externref_lock);
    return false;
}
#endif /* end of WASM_ENABLE_REF_TYPES */

#if WASM_ENABLE_DUMP_CALL_STACK != 0
uint32
wasm_runtime_dump_line_buf_impl(const char *line_buf, bool dump_or_print,
                                char **buf, uint32 *len)
{
    if (dump_or_print) {
        return (uint32)os_printf("%s", line_buf);
    }
    else if (*buf) {
        uint32 dump_len;

        dump_len = snprintf(*buf, *len, "%s", line_buf);
        if (dump_len >= *len) {
            dump_len = *len;
        }

        *len = *len - dump_len;
        *buf = *buf + dump_len;
        return dump_len;
    }
    else {
        return (uint32)strlen(line_buf);
    }
}

void
wasm_runtime_dump_call_stack(WASMExecEnv *exec_env)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_exec_env_get_module_inst(exec_env);
#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        wasm_interp_dump_call_stack(exec_env, true, NULL, 0);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        aot_dump_call_stack(exec_env, true, NULL, 0);
    }
#endif
}

uint32
wasm_runtime_get_call_stack_buf_size(wasm_exec_env_t exec_env)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_exec_env_get_module_inst(exec_env);

#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        return wasm_interp_dump_call_stack(exec_env, false, NULL, 0);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        return aot_dump_call_stack(exec_env, false, NULL, 0);
    }
#endif

    return 0;
}

uint32
wasm_runtime_dump_call_stack_to_buf(wasm_exec_env_t exec_env, char *buf,
                                    uint32 len)
{
    WASMModuleInstanceCommon *module_inst =
        wasm_exec_env_get_module_inst(exec_env);

#if WASM_ENABLE_INTERP != 0
    if (module_inst->module_type == Wasm_Module_Bytecode) {
        return wasm_interp_dump_call_stack(exec_env, false, buf, len);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst->module_type == Wasm_Module_AoT) {
        return aot_dump_call_stack(exec_env, false, buf, len);
    }
#endif

    return 0;
}
#endif /* end of WASM_ENABLE_DUMP_CALL_STACK */

bool
wasm_runtime_get_table_elem_type(const WASMModuleCommon *module_comm,
                                 uint32 table_idx, uint8 *out_elem_type,
                                 uint32 *out_min_size, uint32 *out_max_size)
{
#if WASM_ENABLE_INTERP != 0
    if (module_comm->module_type == Wasm_Module_Bytecode) {
        WASMModule *module = (WASMModule *)module_comm;

        if (table_idx < module->import_table_count) {
            WASMTableImport *import_table =
                &((module->import_tables + table_idx)->u.table);
            *out_elem_type = import_table->elem_type;
            *out_min_size = import_table->init_size;
            *out_max_size = import_table->max_size;
        }
        else {
            WASMTable *table =
                module->tables + (table_idx - module->import_table_count);
            *out_elem_type = table->elem_type;
            *out_min_size = table->init_size;
            *out_max_size = table->max_size;
        }
        return true;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module_comm->module_type == Wasm_Module_AoT) {
        AOTModule *module = (AOTModule *)module_comm;

        if (table_idx < module->import_table_count) {
            AOTImportTable *import_table = module->import_tables + table_idx;
            *out_elem_type = VALUE_TYPE_FUNCREF;
            *out_min_size = import_table->table_init_size;
            *out_max_size = import_table->table_max_size;
        }
        else {
            AOTTable *table =
                module->tables + (table_idx - module->import_table_count);
            *out_elem_type = table->elem_type;
            *out_min_size = table->table_init_size;
            *out_max_size = table->table_max_size;
        }
        return true;
    }
#endif

    return false;
}

bool
wasm_runtime_get_table_inst_elem_type(
    const WASMModuleInstanceCommon *module_inst_comm, uint32 table_idx,
    uint8 *out_elem_type, uint32 *out_min_size, uint32 *out_max_size)
{
#if WASM_ENABLE_INTERP != 0
    if (module_inst_comm->module_type == Wasm_Module_Bytecode) {
        WASMModuleInstance *module_inst =
            (WASMModuleInstance *)module_inst_comm;
        return wasm_runtime_get_table_elem_type(
            (WASMModuleCommon *)module_inst->module, table_idx, out_elem_type,
            out_min_size, out_max_size);
    }
#endif
#if WASM_ENABLE_AOT != 0
    if (module_inst_comm->module_type == Wasm_Module_AoT) {
        AOTModuleInstance *module_inst = (AOTModuleInstance *)module_inst_comm;
        return wasm_runtime_get_table_elem_type(
            (WASMModuleCommon *)module_inst->module, table_idx, out_elem_type,
            out_min_size, out_max_size);
    }
#endif
    return false;
}

bool
wasm_runtime_get_export_func_type(const WASMModuleCommon *module_comm,
                                  const WASMExport *export, WASMType **out)
{
#if WASM_ENABLE_INTERP != 0
    if (module_comm->module_type == Wasm_Module_Bytecode) {
        WASMModule *module = (WASMModule *)module_comm;

        if (export->index < module->import_function_count) {
            *out = module->import_functions[export->index].u.function.func_type;
        }
        else {
            *out =
                module->functions[export->index - module->import_function_count]
                    ->func_type;
        }
        return true;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module_comm->module_type == Wasm_Module_AoT) {
        AOTModule *module = (AOTModule *)module_comm;

        if (export->index < module->import_func_count) {
            *out = module->func_types[module->import_funcs[export->index]
                                          .func_type_index];
        }
        else {
            *out = module->func_types
                       [module->func_type_indexes[export->index
                                                  - module->import_func_count]];
        }
        return true;
    }
#endif
    return false;
}

bool
wasm_runtime_get_export_global_type(const WASMModuleCommon *module_comm,
                                    const WASMExport *export,
                                    uint8 *out_val_type, bool *out_mutability)
{
#if WASM_ENABLE_INTERP != 0
    if (module_comm->module_type == Wasm_Module_Bytecode) {
        WASMModule *module = (WASMModule *)module_comm;

        if (export->index < module->import_global_count) {
            WASMGlobalImport *import_global =
                &((module->import_globals + export->index)->u.global);
            *out_val_type = import_global->type;
            *out_mutability = import_global->is_mutable;
        }
        else {
            WASMGlobal *global =
                module->globals + (export->index - module->import_global_count);
            *out_val_type = global->type;
            *out_mutability = global->is_mutable;
        }
        return true;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module_comm->module_type == Wasm_Module_AoT) {
        AOTModule *module = (AOTModule *)module_comm;

        if (export->index < module->import_global_count) {
            AOTImportGlobal *import_global =
                module->import_globals + export->index;
            *out_val_type = import_global->type;
            *out_mutability = import_global->is_mutable;
        }
        else {
            AOTGlobal *global =
                module->globals + (export->index - module->import_global_count);
            *out_val_type = global->type;
            *out_mutability = global->is_mutable;
        }
        return true;
    }
#endif
    return false;
}

bool
wasm_runtime_get_export_memory_type(const WASMModuleCommon *module_comm,
                                    const WASMExport *export,
                                    uint32 *out_min_page, uint32 *out_max_page)
{
#if WASM_ENABLE_INTERP != 0
    if (module_comm->module_type == Wasm_Module_Bytecode) {
        WASMModule *module = (WASMModule *)module_comm;

        if (export->index < module->import_memory_count) {
            WASMMemoryImport *import_memory =
                &((module->import_memories + export->index)->u.memory);
            *out_min_page = import_memory->init_page_count;
            *out_max_page = import_memory->max_page_count;
        }
        else {
            WASMMemory *memory =
                module->memories
                + (export->index - module->import_memory_count);
            *out_min_page = memory->init_page_count;
            *out_max_page = memory->max_page_count;
        }
        return true;
    }
#endif

#if WASM_ENABLE_AOT != 0
    if (module_comm->module_type == Wasm_Module_AoT) {
        AOTModule *module = (AOTModule *)module_comm;

        if (export->index < module->import_memory_count) {
            AOTImportMemory *import_memory =
                module->import_memories + export->index;
            *out_min_page = import_memory->mem_init_page_count;
            *out_max_page = import_memory->mem_max_page_count;
        }
        else {
            AOTMemory *memory = module->memories
                                + (export->index - module->import_memory_count);
            *out_min_page = memory->mem_init_page_count;
            *out_max_page = memory->mem_max_page_count;
        }
        return true;
    }
#endif
    return false;
}

bool
wasm_runtime_get_export_table_type(const WASMModuleCommon *module_comm,
                                   const WASMExport *export,
                                   uint8 *out_elem_type, uint32 *out_min_size,
                                   uint32 *out_max_size)
{
    return wasm_runtime_get_table_elem_type(
        module_comm, export->index, out_elem_type, out_min_size, out_max_size);
}

static inline bool
argv_to_params(wasm_val_t *out_params, const uint32 *argv, WASMType *func_type)
{
    wasm_val_t *param = out_params;
    uint32 i = 0, *u32;

    for (i = 0; i < func_type->param_count; i++, param++) {
        switch (func_type->types[i]) {
            case VALUE_TYPE_I32:
                param->kind = WASM_I32;
                param->of.i32 = *argv++;
                break;
            case VALUE_TYPE_I64:
                param->kind = WASM_I64;
                u32 = (uint32 *)&param->of.i64;
                u32[0] = *argv++;
                u32[1] = *argv++;
                break;
            case VALUE_TYPE_F32:
                param->kind = WASM_F32;
                param->of.f32 = *(float32 *)argv++;
                break;
            case VALUE_TYPE_F64:
                param->kind = WASM_F64;
                u32 = (uint32 *)&param->of.i64;
                u32[0] = *argv++;
                u32[1] = *argv++;
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
                param->kind = WASM_ANYREF;

                if (!wasm_externref_ref2obj(*argv,
                                            (void **)&param->of.foreign)) {
                    return false;
                }

                argv++;
                break;
#endif
            default:
                return false;
        }
    }

    return true;
}

static inline bool
results_to_argv(WASMModuleInstanceCommon *module_inst, uint32 *out_argv,
                const wasm_val_t *results, WASMType *func_type)
{
    const wasm_val_t *result = results;
    uint32 *argv = out_argv, *u32, i;
    uint8 *result_types = func_type->types + func_type->param_count;

    for (i = 0; i < func_type->result_count; i++, result++) {
        switch (result_types[i]) {
            case VALUE_TYPE_I32:
            case VALUE_TYPE_F32:
                *(int32 *)argv++ = result->of.i32;
                break;
            case VALUE_TYPE_I64:
            case VALUE_TYPE_F64:
                u32 = (uint32 *)&result->of.i64;
                *argv++ = u32[0];
                *argv++ = u32[1];
                break;
#if WASM_ENABLE_REF_TYPES != 0
            case VALUE_TYPE_EXTERNREF:
                if (!wasm_externref_obj2ref(module_inst,
                                            (void *)result->of.foreign, argv)) {
                    return false;
                }
                argv++;
                break;
#endif
            default:
                return false;
        }
    }

    return true;
}

bool
wasm_runtime_invoke_c_api_native(WASMModuleInstanceCommon *module_inst,
                                 void *func_ptr, WASMType *func_type,
                                 uint32 argc, uint32 *argv, bool with_env,
                                 void *wasm_c_api_env)
{
    wasm_val_t params_buf[16] = { 0 }, results_buf[4] = { 0 };
    wasm_val_t *params = params_buf, *results = results_buf;
    wasm_trap_t *trap = NULL;
    bool ret = false;
    wasm_val_vec_t params_vec, results_vec;

    if (func_type->param_count > 16) {
        if (!(params =
                  runtime_malloc(sizeof(wasm_val_t) * func_type->param_count,
                                 module_inst, NULL, 0))) {
            wasm_runtime_set_exception(module_inst, "allocate memory failed");
            return false;
        }
    }

    if (!argv_to_params(params, argv, func_type)) {
        wasm_runtime_set_exception(module_inst, "unsupported param type");
        goto fail;
    }

    if (func_type->result_count > 4) {
        if (!(results =
                  runtime_malloc(sizeof(wasm_val_t) * func_type->result_count,
                                 module_inst, NULL, 0))) {
            wasm_runtime_set_exception(module_inst, "allocate memory failed");
            goto fail;
        }
    }

    params_vec.data = params;
    params_vec.num_elems = func_type->param_count;
    params_vec.size = func_type->param_count;
    params_vec.size_of_elem = sizeof(wasm_val_t);

    results_vec.data = results;
    results_vec.num_elems = 0;
    results_vec.size = func_type->result_count;
    results_vec.size_of_elem = sizeof(wasm_val_t);

    if (!with_env) {
        wasm_func_callback_t callback = (wasm_func_callback_t)func_ptr;
        trap = callback(&params_vec, &results_vec);
    }
    else {
        wasm_func_callback_with_env_t callback =
            (wasm_func_callback_with_env_t)func_ptr;
        trap = callback(wasm_c_api_env, &params_vec, &results_vec);
    }

    if (trap) {
        if (trap->message->data) {
            /* since trap->message->data does not end with '\0' */
            char trap_message[108] = { 0 };
            uint32 max_size_to_copy = (uint32)sizeof(trap_message) - 1;
            uint32 size_to_copy = (trap->message->size < max_size_to_copy)
                                      ? (uint32)trap->message->size
                                      : max_size_to_copy;
            bh_memcpy_s(trap_message, (uint32)sizeof(trap_message),
                        trap->message->data, size_to_copy);
            wasm_runtime_set_exception(module_inst, trap_message);
        }
        else {
            wasm_runtime_set_exception(
                module_inst, "native function throw unknown exception");
        }
        wasm_trap_delete(trap);
        goto fail;
    }

    if (!results_to_argv(module_inst, argv, results, func_type)) {
        wasm_runtime_set_exception(module_inst, "unsupported result type");
        goto fail;
    }
    results_vec.num_elems = func_type->result_count;
    ret = true;

fail:
    if (params != params_buf)
        wasm_runtime_free(params);
    if (results != results_buf)
        wasm_runtime_free(results);
    return ret;
}

void
wasm_runtime_show_app_heap_corrupted_prompt()
{
    LOG_ERROR("Error: app heap is corrupted, if the wasm file "
              "is compiled by wasi-sdk-12.0 or higher version, "
              "please add -Wl,--export=malloc -Wl,--export=free "
              "to export malloc and free functions. If it is "
              "compiled by asc, please add --exportRuntime to "
              "export the runtime helpers.");
}

#if WASM_ENABLE_LOAD_CUSTOM_SECTION != 0
void
wasm_runtime_destroy_custom_sections(WASMCustomSection *section_list)
{
    WASMCustomSection *section = section_list, *next;
    while (section) {
        next = section->next;
        wasm_runtime_free(section);
        section = next;
    }
}
#endif /* end of WASM_ENABLE_LOAD_CUSTOM_SECTION */

void
wasm_runtime_get_version(uint32_t *major, uint32_t *minor, uint32_t *patch)
{
    *major = WAMR_VERSION_MAJOR;
    *minor = WAMR_VERSION_MINOR;
    *patch = WAMR_VERSION_PATCH;
}