/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "wasm_c_api_internal.h"
#include "wasm_memory.h"
#if WASM_ENABLE_INTERP != 0
#include "wasm_runtime.h"
#endif
#if WASM_ENABLE_AOT != 0
#include "aot_runtime.h"
#endif
#define ASSERT_NOT_IMPLEMENTED() bh_assert(!"not implemented")
typedef struct wasm_module_ex_t wasm_module_ex_t;
static void
wasm_module_delete_internal(wasm_module_t *);
static void
wasm_instance_delete_internal(wasm_instance_t *);
/* temporarily put stubs here */
static wasm_store_t *
wasm_store_copy(const wasm_store_t *src)
{
(void)src;
LOG_WARNING("in the stub of %s", __FUNCTION__);
return NULL;
}
wasm_module_t *
wasm_module_copy(const wasm_module_t *src)
{
(void)src;
LOG_WARNING("in the stub of %s", __FUNCTION__);
return NULL;
}
wasm_instance_t *
wasm_instance_copy(const wasm_instance_t *src)
{
(void)src;
LOG_WARNING("in the stub of %s", __FUNCTION__);
return NULL;
}
static void *
malloc_internal(uint64 size)
{
void *mem = NULL;
if (size < UINT32_MAX && (mem = wasm_runtime_malloc((uint32)size))) {
memset(mem, 0, size);
}
return mem;
}
#define FREEIF(p) \
if (p) { \
wasm_runtime_free(p); \
}
/* clang-format off */
#define RETURN_OBJ(obj, obj_del_func) \
return obj; \
failed: \
obj_del_func(obj); \
return NULL;
#define RETURN_VOID(obj, obj_del_func) \
return; \
failed: \
obj_del_func(obj); \
return;
/* clang-format on */
/* Vectors */
#define INIT_VEC(vector_p, init_func, ...) \
do { \
if (!(vector_p = malloc_internal(sizeof(*(vector_p))))) { \
goto failed; \
} \
\
init_func(vector_p, ##__VA_ARGS__); \
if (vector_p->size && !vector_p->data) { \
LOG_DEBUG("%s failed", #init_func); \
goto failed; \
} \
} while (false)
#define DEINIT_VEC(vector_p, deinit_func) \
if ((vector_p)) { \
deinit_func(vector_p); \
wasm_runtime_free(vector_p); \
vector_p = NULL; \
}
#define WASM_DEFINE_VEC(name) \
void wasm_##name##_vec_new_empty(own wasm_##name##_vec_t *out) \
{ \
wasm_##name##_vec_new_uninitialized(out, 0); \
} \
void wasm_##name##_vec_new_uninitialized(own wasm_##name##_vec_t *out, \
size_t size) \
{ \
wasm_##name##_vec_new(out, size, NULL); \
}
/* vectors with no ownership management of elements */
#define WASM_DEFINE_VEC_PLAIN(name) \
WASM_DEFINE_VEC(name) \
void wasm_##name##_vec_new(own wasm_##name##_vec_t *out, size_t size, \
own wasm_##name##_t const data[]) \
{ \
if (!out) { \
return; \
} \
\
memset(out, 0, sizeof(wasm_##name##_vec_t)); \
\
if (!size) { \
return; \
} \
\
if (!bh_vector_init((Vector *)out, size, sizeof(wasm_##name##_t))) { \
LOG_DEBUG("bh_vector_init failed"); \
goto failed; \
} \
\
if (data) { \
unsigned int size_in_bytes = 0; \
size_in_bytes = size * sizeof(wasm_##name##_t); \
bh_memcpy_s(out->data, size_in_bytes, data, size_in_bytes); \
out->num_elems = size; \
} \
\
RETURN_VOID(out, wasm_##name##_vec_delete) \
} \
void wasm_##name##_vec_copy(wasm_##name##_vec_t *out, \
const wasm_##name##_vec_t *src) \
{ \
wasm_##name##_vec_new(out, src->size, src->data); \
} \
void wasm_##name##_vec_delete(wasm_##name##_vec_t *v) \
{ \
if (v) { \
bh_vector_destroy((Vector *)v); \
} \
}
/* vectors that own their elements */
#define WASM_DEFINE_VEC_OWN(name, elem_destroy_func) \
WASM_DEFINE_VEC(name) \
void wasm_##name##_vec_new(own wasm_##name##_vec_t *out, size_t size, \
own wasm_##name##_t *const data[]) \
{ \
if (!out) { \
return; \
} \
\
memset(out, 0, sizeof(wasm_##name##_vec_t)); \
\
if (!size) { \
return; \
} \
\
if (!bh_vector_init((Vector *)out, size, \
sizeof(wasm_##name##_t *))) { \
LOG_DEBUG("bh_vector_init failed"); \
goto failed; \
} \
\
if (data) { \
unsigned int size_in_bytes = 0; \
size_in_bytes = size * sizeof(wasm_##name##_t *); \
bh_memcpy_s(out->data, size_in_bytes, data, size_in_bytes); \
out->num_elems = size; \
} \
\
RETURN_VOID(out, wasm_##name##_vec_delete) \
} \
void wasm_##name##_vec_copy(own wasm_##name##_vec_t *out, \
const wasm_##name##_vec_t *src) \
{ \
size_t i = 0; \
memset(out, 0, sizeof(Vector)); \
\
if (!src->size) { \
return; \
} \
\
if (!bh_vector_init((Vector *)out, src->size, \
sizeof(wasm_##name##_t *))) { \
LOG_DEBUG("bh_vector_init failed"); \
goto failed; \
} \
\
for (i = 0; i != src->num_elems; ++i) { \
if (!(out->data[i] = wasm_##name##_copy(src->data[i]))) { \
LOG_DEBUG("wasm_%s_copy failed", #name); \
goto failed; \
} \
} \
out->num_elems = src->num_elems; \
\
RETURN_VOID(out, wasm_##name##_vec_delete) \
} \
void wasm_##name##_vec_delete(wasm_##name##_vec_t *v) \
{ \
size_t i = 0; \
if (!v) { \
return; \
} \
for (i = 0; i != v->num_elems; ++i) { \
elem_destroy_func(*(v->data + i)); \
} \
bh_vector_destroy((Vector *)v); \
}
WASM_DEFINE_VEC_PLAIN(byte)
WASM_DEFINE_VEC_PLAIN(val)
WASM_DEFINE_VEC_OWN(valtype, wasm_valtype_delete)
WASM_DEFINE_VEC_OWN(functype, wasm_functype_delete)
WASM_DEFINE_VEC_OWN(exporttype, wasm_exporttype_delete)
WASM_DEFINE_VEC_OWN(importtype, wasm_importtype_delete)
WASM_DEFINE_VEC_OWN(store, wasm_store_delete)
WASM_DEFINE_VEC_OWN(module, wasm_module_delete_internal)
WASM_DEFINE_VEC_OWN(instance, wasm_instance_delete_internal)
WASM_DEFINE_VEC_OWN(extern, wasm_extern_delete)
static inline bool
valid_module_type(uint32 module_type)
{
bool result = false;
#if WASM_ENABLE_INTERP != 0
result = result || (module_type == Wasm_Module_Bytecode);
#endif
#if WASM_ENABLE_AOT != 0
result = result || (module_type == Wasm_Module_AoT);
#endif
if (!result) {
LOG_VERBOSE(
"current building isn't compatiable with the module, may need "
"recompile");
}
return result;
}
/* Runtime Environment */
static void
wasm_engine_delete_internal(wasm_engine_t *engine)
{
if (engine) {
DEINIT_VEC(engine->stores, wasm_store_vec_delete);
wasm_runtime_free(engine);
}
wasm_runtime_destroy();
}
static wasm_engine_t *
wasm_engine_new_internal(mem_alloc_type_t type, const MemAllocOption *opts)
{
wasm_engine_t *engine = NULL;
/* init runtime */
RuntimeInitArgs init_args = { 0 };
init_args.mem_alloc_type = type;
if (type == Alloc_With_Pool) {
if (!opts) {
return NULL;
}
init_args.mem_alloc_option.pool.heap_buf = opts->pool.heap_buf;
init_args.mem_alloc_option.pool.heap_size = opts->pool.heap_size;
}
else if (type == Alloc_With_Allocator) {
if (!opts) {
return NULL;
}
init_args.mem_alloc_option.allocator.malloc_func =
opts->allocator.malloc_func;
init_args.mem_alloc_option.allocator.free_func =
opts->allocator.free_func;
init_args.mem_alloc_option.allocator.realloc_func =
opts->allocator.realloc_func;
}
else {
init_args.mem_alloc_option.pool.heap_buf = NULL;
init_args.mem_alloc_option.pool.heap_size = 0;
}
if (!wasm_runtime_full_init(&init_args)) {
LOG_DEBUG("wasm_runtime_full_init failed");
goto failed;
}
#if BH_DEBUG != 0
bh_log_set_verbose_level(5);
#else
bh_log_set_verbose_level(3);
#endif
/* create wasm_engine_t */
if (!(engine = malloc_internal(sizeof(wasm_engine_t)))) {
goto failed;
}
/* create wasm_store_vec_t */
INIT_VEC(engine->stores, wasm_store_vec_new_uninitialized, 1);
RETURN_OBJ(engine, wasm_engine_delete_internal)
}
/* global engine instance */
static wasm_engine_t *singleton_engine = NULL;
wasm_engine_t *
wasm_engine_new()
{
if (!singleton_engine) {
singleton_engine =
wasm_engine_new_internal(Alloc_With_System_Allocator, NULL);
}
return singleton_engine;
}
wasm_engine_t *
wasm_engine_new_with_args(mem_alloc_type_t type, const MemAllocOption *opts)
{
if (!singleton_engine) {
singleton_engine = wasm_engine_new_internal(type, opts);
}
return singleton_engine;
}
/* BE AWARE: will RESET the singleton */
void
wasm_engine_delete(wasm_engine_t *engine)
{
if (engine) {
wasm_engine_delete_internal(engine);
singleton_engine = NULL;
}
}
wasm_store_t *
wasm_store_new(wasm_engine_t *engine)
{
wasm_store_t *store = NULL;
if (!engine || singleton_engine != engine) {
return NULL;
}
if (!wasm_runtime_init_thread_env()) {
LOG_ERROR("init thread environment failed");
return NULL;
}
if (!(store = malloc_internal(sizeof(wasm_store_t)))) {
wasm_runtime_destroy_thread_env();
return NULL;
}
/* new a vector, and new its data */
INIT_VEC(store->modules, wasm_module_vec_new_uninitialized,
DEFAULT_VECTOR_INIT_LENGTH);
INIT_VEC(store->instances, wasm_instance_vec_new_uninitialized,
DEFAULT_VECTOR_INIT_LENGTH);
/* append to a store list of engine */
if (!bh_vector_append((Vector *)singleton_engine->stores, &store)) {
LOG_DEBUG("bh_vector_append failed");
goto failed;
}
return store;
failed:
wasm_store_delete(store);
return NULL;
}
void
wasm_store_delete(wasm_store_t *store)
{
size_t i, store_count;
if (!store) {
return;
}
/* remove it from the list in the engine */
store_count = bh_vector_size((Vector *)singleton_engine->stores);
for (i = 0; i != store_count; ++i) {
wasm_store_t *tmp;
if (!bh_vector_get((Vector *)singleton_engine->stores, i, &tmp)) {
break;
}
if (tmp == store) {
bh_vector_remove((Vector *)singleton_engine->stores, i, NULL);
break;
}
}
DEINIT_VEC(store->modules, wasm_module_vec_delete);
DEINIT_VEC(store->instances, wasm_instance_vec_delete);
wasm_runtime_free(store);
wasm_runtime_destroy_thread_env();
}
/* Type Representations */
static wasm_valkind_t
val_type_rt_2_valkind(uint8 val_type_rt)
{
switch (val_type_rt) {
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_ANY:
return WASM_ANYREF;
case VALUE_TYPE_FUNCREF:
return WASM_FUNCREF;
default:
LOG_WARNING("%s meets unsupported type: %d", __FUNCTION__,
val_type_rt);
return WASM_ANYREF;
}
}
static wasm_valtype_t *
wasm_valtype_new_internal(uint8 val_type_rt)
{
return wasm_valtype_new(val_type_rt_2_valkind(val_type_rt));
}
wasm_valtype_t *
wasm_valtype_new(wasm_valkind_t kind)
{
wasm_valtype_t *val_type;
if (!(val_type = malloc_internal(sizeof(wasm_valtype_t)))) {
return NULL;
}
val_type->kind = kind;
return val_type;
}
void
wasm_valtype_delete(wasm_valtype_t *val_type)
{
FREEIF(val_type);
}
wasm_valtype_t *
wasm_valtype_copy(const wasm_valtype_t *src)
{
if (!src) {
return NULL;
}
return wasm_valtype_new(src->kind);
}
wasm_valkind_t
wasm_valtype_kind(const wasm_valtype_t *val_type)
{
if (!val_type) {
return WASM_ANYREF;
}
return val_type->kind;
}
bool
wasm_valtype_same(const wasm_valtype_t *vt1, const wasm_valtype_t *vt2)
{
if (!vt1 && !vt2) {
return true;
}
if (!vt1 || !vt2) {
return false;
}
return vt1->kind == vt2->kind;
}
static wasm_functype_t *
wasm_functype_new_internal(WASMType *type_rt)
{
wasm_functype_t *type = NULL;
wasm_valtype_t *param_type = NULL, *result_type = NULL;
uint32 i = 0;
if (!type_rt) {
return NULL;
}
if (!(type = malloc_internal(sizeof(wasm_functype_t)))) {
return NULL;
}
type->extern_kind = WASM_EXTERN_FUNC;
/* WASMType->types[0 : type_rt->param_count) -> type->params */
INIT_VEC(type->params, wasm_valtype_vec_new_uninitialized,
type_rt->param_count);
for (i = 0; i < type_rt->param_count; ++i) {
if (!(param_type = wasm_valtype_new_internal(*(type_rt->types + i)))) {
goto failed;
}
if (!bh_vector_append((Vector *)type->params, ¶m_type)) {
LOG_DEBUG("bh_vector_append failed");
goto failed;
}
}
/* WASMType->types[type_rt->param_count : type_rt->result_count) -> type->results */
INIT_VEC(type->results, wasm_valtype_vec_new_uninitialized,
type_rt->result_count);
for (i = 0; i < type_rt->result_count; ++i) {
if (!(result_type = wasm_valtype_new_internal(
*(type_rt->types + type_rt->param_count + i)))) {
goto failed;
}
if (!bh_vector_append((Vector *)type->results, &result_type)) {
LOG_DEBUG("bh_vector_append failed");
goto failed;
}
}
return type;
failed:
wasm_valtype_delete(param_type);
wasm_valtype_delete(result_type);
wasm_functype_delete(type);
return NULL;
}
wasm_functype_t *
wasm_functype_new(own wasm_valtype_vec_t *params,
own wasm_valtype_vec_t *results)
{
wasm_functype_t *type = NULL;
if (!params) {
return NULL;
}
if (!results) {
return NULL;
}
if (!(type = malloc_internal(sizeof(wasm_functype_t)))) {
goto failed;
}
type->extern_kind = WASM_EXTERN_FUNC;
/* take ownership */
if (!(type->params = malloc_internal(sizeof(wasm_valtype_vec_t)))) {
goto failed;
}
bh_memcpy_s(type->params, sizeof(wasm_valtype_vec_t), params,
sizeof(wasm_valtype_vec_t));
if (!(type->results = malloc_internal(sizeof(wasm_valtype_vec_t)))) {
goto failed;
}
bh_memcpy_s(type->results, sizeof(wasm_valtype_vec_t), results,
sizeof(wasm_valtype_vec_t));
return type;
failed:
wasm_functype_delete(type);
return NULL;
}
wasm_functype_t *
wasm_functype_copy(const wasm_functype_t *src)
{
wasm_functype_t *functype;
wasm_valtype_vec_t params = { 0 }, results = { 0 };
if (!src) {
return NULL;
}
wasm_valtype_vec_copy(¶ms, src->params);
if (src->params->size && !params.data) {
goto failed;
}
wasm_valtype_vec_copy(&results, src->results);
if (src->results->size && !results.data) {
goto failed;
}
if (!(functype = wasm_functype_new(¶ms, &results))) {
goto failed;
}
return functype;
failed:
wasm_valtype_vec_delete(¶ms);
wasm_valtype_vec_delete(&results);
return NULL;
}
void
wasm_functype_delete(wasm_functype_t *func_type)
{
if (!func_type) {
return;
}
DEINIT_VEC(func_type->params, wasm_valtype_vec_delete);
DEINIT_VEC(func_type->results, wasm_valtype_vec_delete);
wasm_runtime_free(func_type);
}
const wasm_valtype_vec_t *
wasm_functype_params(const wasm_functype_t *func_type)
{
if (!func_type) {
return NULL;
}
return func_type->params;
}
const wasm_valtype_vec_t *
wasm_functype_results(const wasm_functype_t *func_type)
{
if (!func_type) {
return NULL;
}
return func_type->results;
}
wasm_globaltype_t *
wasm_globaltype_new(own wasm_valtype_t *val_type, wasm_mutability_t mut)
{
wasm_globaltype_t *global_type = NULL;
if (!val_type) {
return NULL;
}
if (!(global_type = malloc_internal(sizeof(wasm_globaltype_t)))) {
return NULL;
}
global_type->extern_kind = WASM_EXTERN_GLOBAL;
global_type->val_type = val_type;
global_type->mutability = mut;
return global_type;
}
wasm_globaltype_t *
wasm_globaltype_new_internal(uint8 val_type_rt, bool is_mutable)
{
wasm_globaltype_t *globaltype;
wasm_valtype_t *val_type;
if (!(val_type = wasm_valtype_new(val_type_rt_2_valkind(val_type_rt)))) {
return NULL;
}
if (!(globaltype = wasm_globaltype_new(
val_type, is_mutable ? WASM_VAR : WASM_CONST))) {
wasm_valtype_delete(val_type);
}
return globaltype;
}
void
wasm_globaltype_delete(wasm_globaltype_t *global_type)
{
if (!global_type) {
return;
}
if (global_type->val_type) {
wasm_valtype_delete(global_type->val_type);
global_type->val_type = NULL;
}
wasm_runtime_free(global_type);
}
wasm_globaltype_t *
wasm_globaltype_copy(const wasm_globaltype_t *src)
{
wasm_globaltype_t *global_type;
wasm_valtype_t *val_type;
if (!src) {
return NULL;
}
if (!(val_type = wasm_valtype_copy(src->val_type))) {
return NULL;
}
if (!(global_type = wasm_globaltype_new(val_type, src->mutability))) {
wasm_valtype_delete(val_type);
}
return global_type;
}
const wasm_valtype_t *
wasm_globaltype_content(const wasm_globaltype_t *global_type)
{
if (!global_type) {
return NULL;
}
return global_type->val_type;
}
wasm_mutability_t
wasm_globaltype_mutability(const wasm_globaltype_t *global_type)
{
if (!global_type) {
return false;
}
return global_type->mutability;
}
bool
wasm_globaltype_same(const wasm_globaltype_t *gt1,
const wasm_globaltype_t *gt2)
{
if (!gt1 && !gt2) {
return true;
}
if (!gt1 || !gt2) {
return false;
}
return wasm_valtype_same(gt1->val_type, gt2->val_type)
|| gt1->mutability == gt2->mutability;
}
static wasm_tabletype_t *
wasm_tabletype_new_internal(uint8 val_type_rt,
uint32 init_size,
uint32 max_size)
{
wasm_tabletype_t *table_type;
wasm_limits_t limits = { init_size, max_size };
wasm_valtype_t *val_type;
if (!(val_type = wasm_valtype_new_internal(val_type_rt))) {
return NULL;
}
if (!(table_type = wasm_tabletype_new(val_type, &limits))) {
wasm_valtype_delete(val_type);
}
return table_type;
}
wasm_tabletype_t *
wasm_tabletype_new(own wasm_valtype_t *val_type, const wasm_limits_t *limits)
{
wasm_tabletype_t *table_type = NULL;
if (!val_type) {
return NULL;
}
if (!(table_type = malloc_internal(sizeof(wasm_tabletype_t)))) {
return NULL;
}
table_type->extern_kind = WASM_EXTERN_TABLE;
table_type->val_type = val_type;
table_type->limits.min = limits->min;
table_type->limits.max = limits->max;
return table_type;
}
wasm_tabletype_t *
wasm_tabletype_copy(const wasm_tabletype_t *src)
{
wasm_tabletype_t *table_type;
wasm_valtype_t *val_type;
if (!src) {
return NULL;
}
if (!(val_type = wasm_valtype_copy(src->val_type))) {
return NULL;
}
if (!(table_type = wasm_tabletype_new(val_type, &src->limits))) {
wasm_valtype_delete(val_type);
}
return table_type;
}
void
wasm_tabletype_delete(wasm_tabletype_t *table_type)
{
if (!table_type) {
return;
}
if (table_type->val_type) {
wasm_valtype_delete(table_type->val_type);
table_type->val_type = NULL;
}
wasm_runtime_free(table_type);
}
const wasm_valtype_t *
wasm_tabletype_element(const wasm_tabletype_t *table_type)
{
if (!table_type) {
return NULL;
}
return table_type->val_type;
}
const wasm_limits_t *
wasm_tabletype_limits(const wasm_tabletype_t *table_type)
{
if (!table_type) {
return NULL;
}
return &(table_type->limits);
}
static wasm_memorytype_t *
wasm_memorytype_new_internal(uint32 min_pages, uint32 max_pages)
{
wasm_limits_t limits = { min_pages, max_pages };
return wasm_memorytype_new(&limits);
}
wasm_memorytype_t *
wasm_memorytype_new(const wasm_limits_t *limits)
{
wasm_memorytype_t *memory_type = NULL;
if (!limits) {
return NULL;
}
if (!(memory_type = malloc_internal(sizeof(wasm_memorytype_t)))) {
return NULL;
}
memory_type->extern_kind = WASM_EXTERN_MEMORY;
memory_type->limits.min = limits->min;
memory_type->limits.max = limits->max;
return memory_type;
}
wasm_memorytype_t *
wasm_memorytype_copy(const wasm_memorytype_t *src)
{
if (!src) {
return NULL;
}
return wasm_memorytype_new(&src->limits);
}
void
wasm_memorytype_delete(wasm_memorytype_t *memory_type)
{
FREEIF(memory_type);
}
const wasm_limits_t *
wasm_memorytype_limits(const wasm_memorytype_t *memory_type)
{
if (!memory_type) {
return NULL;
}
return &(memory_type->limits);
}
wasm_externkind_t
wasm_externtype_kind(const wasm_externtype_t *extern_type)
{
if (!extern_type) {
return WASM_EXTERN_FUNC;
}
return extern_type->extern_kind;
}
#define BASIC_FOUR_TYPE_LIST(V) \
V(functype) \
V(globaltype) \
V(memorytype) \
V(tabletype)
#define WASM_EXTERNTYPE_AS_OTHERTYPE(name) \
wasm_##name##_t *wasm_externtype_as_##name( \
wasm_externtype_t *extern_type) \
{ \
return (wasm_##name##_t *)extern_type; \
}
BASIC_FOUR_TYPE_LIST(WASM_EXTERNTYPE_AS_OTHERTYPE)
#undef WASM_EXTERNTYPE_AS_OTHERTYPE
#define WASM_OTHERTYPE_AS_EXTERNTYPE(name) \
wasm_externtype_t *wasm_##name##_as_externtype(wasm_##name##_t *other) \
{ \
return (wasm_externtype_t *)other; \
}
BASIC_FOUR_TYPE_LIST(WASM_OTHERTYPE_AS_EXTERNTYPE)
#undef WASM_OTHERTYPE_AS_EXTERNTYPE
#define WASM_EXTERNTYPE_AS_OTHERTYPE_CONST(name) \
const wasm_##name##_t *wasm_externtype_as_##name##_const( \
const wasm_externtype_t *extern_type) \
{ \
return (const wasm_##name##_t *)extern_type; \
}
BASIC_FOUR_TYPE_LIST(WASM_EXTERNTYPE_AS_OTHERTYPE_CONST)
#undef WASM_EXTERNTYPE_AS_OTHERTYPE_CONST
#define WASM_OTHERTYPE_AS_EXTERNTYPE_CONST(name) \
const wasm_externtype_t *wasm_##name##_as_externtype_const( \
const wasm_##name##_t *other) \
{ \
return (const wasm_externtype_t *)other; \
}
BASIC_FOUR_TYPE_LIST(WASM_OTHERTYPE_AS_EXTERNTYPE_CONST)
#undef WASM_OTHERTYPE_AS_EXTERNTYPE_CONST
wasm_externtype_t *
wasm_externtype_copy(const wasm_externtype_t *src)
{
wasm_externtype_t *extern_type = NULL;
if (!src) {
return NULL;
}
switch (src->extern_kind) {
#define COPY_EXTERNTYPE(NAME, name) \
case WASM_EXTERN_##NAME: \
{ \
extern_type = wasm_##name##_as_externtype( \
wasm_##name##_copy(wasm_externtype_as_##name##_const(src))); \
break; \
}
COPY_EXTERNTYPE(FUNC, functype)
COPY_EXTERNTYPE(GLOBAL, globaltype)
COPY_EXTERNTYPE(MEMORY, memorytype)
COPY_EXTERNTYPE(TABLE, tabletype)
#undef COPY_EXTERNTYPE
default:
LOG_WARNING("%s meets unsupported kind", __FUNCTION__,
src->extern_kind);
break;
}
return extern_type;
}
void
wasm_externtype_delete(wasm_externtype_t *extern_type)
{
if (!extern_type) {
return;
}
switch (wasm_externtype_kind(extern_type)) {
case WASM_EXTERN_FUNC:
wasm_functype_delete(wasm_externtype_as_functype(extern_type));
break;
case WASM_EXTERN_GLOBAL:
wasm_globaltype_delete(wasm_externtype_as_globaltype(extern_type));
break;
case WASM_EXTERN_MEMORY:
wasm_memorytype_delete(wasm_externtype_as_memorytype(extern_type));
break;
case WASM_EXTERN_TABLE:
wasm_tabletype_delete(wasm_externtype_as_tabletype(extern_type));
break;
default:
LOG_WARNING("%s meets unsupported type", __FUNCTION__,
extern_type);
break;
}
}
own wasm_importtype_t *
wasm_importtype_new(own wasm_byte_vec_t *module_name,
own wasm_byte_vec_t *field_name,
own wasm_externtype_t *extern_type)
{
wasm_importtype_t *import_type = NULL;
if (!(import_type = malloc_internal(sizeof(wasm_importtype_t)))) {
return NULL;
}
/* take ownership */
if (!(import_type->module_name =
malloc_internal(sizeof(wasm_byte_vec_t)))) {
goto failed;
}
bh_memcpy_s(import_type->module_name, sizeof(wasm_byte_vec_t), module_name,
sizeof(wasm_byte_vec_t));
if (!(import_type->name = malloc_internal(sizeof(wasm_byte_vec_t)))) {
goto failed;
}
bh_memcpy_s(import_type->name, sizeof(wasm_byte_vec_t), field_name,
sizeof(wasm_byte_vec_t));
import_type->extern_type = extern_type;
return import_type;
failed:
wasm_importtype_delete(import_type);
return NULL;
}
void
wasm_importtype_delete(own wasm_importtype_t *import_type)
{
if (!import_type) {
return;
}
DEINIT_VEC(import_type->module_name, wasm_byte_vec_delete);
DEINIT_VEC(import_type->name, wasm_byte_vec_delete);
wasm_externtype_delete(import_type->extern_type);
wasm_runtime_free(import_type);
}
own wasm_importtype_t *
wasm_importtype_copy(const wasm_importtype_t *src)
{
wasm_byte_vec_t module_name = { 0 }, name = { 0 };
wasm_externtype_t *extern_type = NULL;
wasm_importtype_t *import_type = NULL;
if (!src) {
return NULL;
}
wasm_byte_vec_copy(&module_name, src->module_name);
if (src->module_name->size && !module_name.data) {
goto failed;
}
wasm_byte_vec_copy(&name, src->name);
if (src->name->size && !name.data) {
goto failed;
}
if (!(extern_type = wasm_externtype_copy(src->extern_type))) {
goto failed;
}
if (!(import_type =
wasm_importtype_new(&module_name, &name, extern_type))) {
goto failed;
}
return import_type;
failed:
wasm_byte_vec_delete(&module_name);
wasm_byte_vec_delete(&name);
wasm_externtype_delete(extern_type);
wasm_importtype_delete(import_type);
return NULL;
}
const wasm_byte_vec_t *
wasm_importtype_module(const wasm_importtype_t *import_type)
{
if (!import_type) {
return NULL;
}
return import_type->module_name;
}
const wasm_byte_vec_t *
wasm_importtype_name(const wasm_importtype_t *import_type)
{
if (!import_type) {
return NULL;
}
return import_type->name;
}
const wasm_externtype_t *
wasm_importtype_type(const wasm_importtype_t *import_type)
{
if (!import_type) {
return NULL;
}
return import_type->extern_type;
}
own wasm_exporttype_t *
wasm_exporttype_new(own wasm_byte_vec_t *name,
own wasm_externtype_t *extern_type)
{
wasm_exporttype_t *export_type = NULL;
if (!(export_type = malloc_internal(sizeof(wasm_exporttype_t)))) {
return NULL;
}
if (!(export_type->name = malloc_internal(sizeof(wasm_byte_vec_t)))) {
wasm_exporttype_delete(export_type);
return NULL;
}
bh_memcpy_s(export_type->name, sizeof(wasm_byte_vec_t), name,
sizeof(wasm_byte_vec_t));
export_type->extern_type = extern_type;
return export_type;
}
wasm_exporttype_t *
wasm_exporttype_copy(const wasm_exporttype_t *src)
{
wasm_exporttype_t *export_type;
wasm_byte_vec_t name = { 0 };
wasm_externtype_t *extern_type = NULL;
if (!src) {
return NULL;
}
wasm_byte_vec_copy(&name, src->name);
if (src->name->size && !name.data) {
goto failed;
}
if (!(extern_type = wasm_externtype_copy(src->extern_type))) {
goto failed;
}
if (!(export_type = wasm_exporttype_new(&name, extern_type))) {
goto failed;
}
return export_type;
failed:
wasm_byte_vec_delete(&name);
wasm_externtype_delete(extern_type);
return NULL;
}
void
wasm_exporttype_delete(wasm_exporttype_t *export_type)
{
if (!export_type) {
return;
}
DEINIT_VEC(export_type->name, wasm_byte_vec_delete);
wasm_externtype_delete(export_type->extern_type);
wasm_runtime_free(export_type);
}
const wasm_byte_vec_t *
wasm_exporttype_name(const wasm_exporttype_t *export_type)
{
if (!export_type) {
return NULL;
}
return export_type->name;
}
const wasm_externtype_t *
wasm_exporttype_type(const wasm_exporttype_t *export_type)
{
if (!export_type) {
return NULL;
}
return export_type->extern_type;
}
/* Runtime Objects */
void
wasm_val_delete(wasm_val_t *v)
{
FREEIF(v);
}
void
wasm_val_copy(wasm_val_t *out, const wasm_val_t *src)
{
if (!out || !src) {
return;
}
bh_memcpy_s(out, sizeof(wasm_val_t), src, sizeof(wasm_val_t));
}
bool
wasm_val_same(const wasm_val_t *v1, const wasm_val_t *v2)
{
if (!v1 && !v2) {
return true;
}
if (!v1 || !v2) {
return false;
}
if (v1->kind != v2->kind) {
return false;
}
switch (v1->kind) {
case WASM_I32:
return v1->of.i32 == v2->of.i32;
case WASM_I64:
return v1->of.i64 == v2->of.i64;
case WASM_F32:
return v1->of.f32 == v2->of.f32;
case WASM_F64:
return v1->of.f64 == v2->of.f64;
case WASM_FUNCREF:
return v1->of.ref == v2->of.ref;
default:
break;
}
return false;
}
static wasm_trap_t *
wasm_trap_new_internal(const char *string)
{
wasm_trap_t *trap;
if (!(trap = malloc_internal(sizeof(wasm_trap_t)))) {
return NULL;
}
if (!(trap->message = malloc_internal(sizeof(wasm_byte_vec_t)))) {
goto failed;
}
wasm_name_new_from_string(trap->message, string);
if (strlen(string) && !trap->message->data) {
goto failed;
}
return trap;
failed:
wasm_trap_delete(trap);
return NULL;
}
wasm_trap_t *
wasm_trap_new(wasm_store_t *store, const wasm_message_t *message)
{
wasm_trap_t *trap;
if (!store || !message) {
return NULL;
}
if (!(trap = malloc_internal(sizeof(wasm_trap_t)))) {
return NULL;
}
INIT_VEC(trap->message, wasm_byte_vec_new, message->size, message->data);
return trap;
failed:
wasm_trap_delete(trap);
return NULL;
}
void
wasm_trap_delete(wasm_trap_t *trap)
{
if (!trap) {
return;
}
DEINIT_VEC(trap->message, wasm_byte_vec_delete);
wasm_runtime_free(trap);
}
void
wasm_trap_message(const wasm_trap_t *trap, own wasm_message_t *out)
{
if (!trap || !out) {
return;
}
wasm_byte_vec_copy(out, trap->message);
}
struct wasm_module_ex_t {
struct WASMModuleCommon *module_comm_rt;
wasm_byte_vec_t *binary;
};
static inline wasm_module_t *
module_ext_to_module(wasm_module_ex_t *module_ex)
{
return (wasm_module_t *)module_ex;
}
static inline wasm_module_ex_t *
module_to_module_ext(wasm_module_t *module)
{
return (wasm_module_ex_t *)module;
}
#if WASM_ENABLE_INTERP != 0
#define MODULE_INTERP(module) ((WASMModule *)(*module))
#endif
#if WASM_ENABLE_AOT != 0
#define MODULE_AOT(module) ((AOTModule *)(*module))
#endif
wasm_module_t *
wasm_module_new(wasm_store_t *store, const wasm_byte_vec_t *binary)
{
char error_buf[128] = { 0 };
wasm_module_ex_t *module_ex = NULL;
bh_assert(singleton_engine);
if (!store || !binary || binary->size > UINT32_MAX) {
LOG_ERROR("%s failed", __FUNCTION__);
return NULL;
}
module_ex = malloc_internal(sizeof(wasm_module_ex_t));
if (!module_ex) {
goto failed;
}
INIT_VEC(module_ex->binary, wasm_byte_vec_new, binary->size, binary->data);
module_ex->module_comm_rt =
wasm_runtime_load((uint8 *)module_ex->binary->data,
(uint32)module_ex->binary->size,
error_buf, (uint32)sizeof(error_buf));
if (!(module_ex->module_comm_rt)) {
LOG_ERROR(error_buf);
goto failed;
}
/* add it to a watching list in store */
if (!bh_vector_append((Vector *)store->modules, &module_ex)) {
goto failed;
}
return module_ext_to_module(module_ex);
failed:
LOG_ERROR("%s failed", __FUNCTION__);
wasm_module_delete_internal(module_ext_to_module(module_ex));
return NULL;
}
static void
wasm_module_delete_internal(wasm_module_t *module)
{
wasm_module_ex_t *module_ex;
if (!module) {
return;
}
module_ex = module_to_module_ext(module);
DEINIT_VEC(module_ex->binary, wasm_byte_vec_delete);
if (module_ex->module_comm_rt) {
wasm_runtime_unload(module_ex->module_comm_rt);
module_ex->module_comm_rt = NULL;
}
wasm_runtime_free(module_ex);
}
void
wasm_module_delete(wasm_module_t *module)
{
/* the module will be released when releasing the store */
}
void
wasm_module_imports(const wasm_module_t *module,
own wasm_importtype_vec_t *out)
{
uint32 i, import_func_count = 0, import_memory_count = 0,
import_global_count = 0, import_table_count = 0,
import_count = 0;
wasm_byte_vec_t module_name = { 0 }, name = { 0 };
wasm_externtype_t *extern_type = NULL;
wasm_importtype_t *import_type = NULL;
if (!module || !out || !valid_module_type((*module)->module_type)) {
return;
}
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
import_func_count = MODULE_INTERP(module)->import_function_count;
import_global_count = MODULE_INTERP(module)->import_global_count;
import_memory_count = MODULE_INTERP(module)->import_memory_count;
import_table_count = MODULE_INTERP(module)->import_table_count;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
import_func_count = MODULE_AOT(module)->import_func_count;
import_global_count = MODULE_AOT(module)->import_global_count;
import_memory_count = MODULE_AOT(module)->import_memory_count;
import_table_count = MODULE_AOT(module)->import_table_count;
}
#endif
import_count = import_func_count + import_global_count + import_table_count
+ import_memory_count;
wasm_importtype_vec_new_uninitialized(out, import_count);
if (import_count && !out->data) {
return;
}
for (i = 0; i != import_count; ++i) {
char *module_name_rt = NULL, *field_name_rt = NULL;
if (i < import_func_count) {
wasm_functype_t *type = NULL;
WASMType *type_rt = NULL;
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
WASMImport *import =
MODULE_INTERP(module)->import_functions + i;
module_name_rt = import->u.names.module_name;
field_name_rt = import->u.names.field_name;
type_rt = import->u.function.func_type;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
AOTImportFunc *import = MODULE_AOT(module)->import_funcs + i;
module_name_rt = import->module_name;
field_name_rt = import->func_name;
type_rt = import->func_type;
}
#endif
if (!module_name_rt || !field_name_rt || !type_rt) {
continue;
}
wasm_name_new_from_string(&module_name, module_name_rt);
if (strlen(module_name_rt) && !module_name.data) {
goto failed;
}
wasm_name_new_from_string(&name, field_name_rt);
if (strlen(field_name_rt) && !name.data) {
goto failed;
}
if (!(type = wasm_functype_new_internal(type_rt))) {
goto failed;
}
extern_type = wasm_functype_as_externtype(type);
}
else if (i < import_func_count + import_global_count) {
wasm_globaltype_t *type = NULL;
uint8 val_type_rt = 0;
bool mutability_rt = 0;
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
WASMImport *import = MODULE_INTERP(module)->import_globals
+ (i - import_func_count);
module_name_rt = import->u.names.module_name;
field_name_rt = import->u.names.field_name;
val_type_rt = import->u.global.type;
mutability_rt = import->u.global.is_mutable;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
AOTImportGlobal *import =
MODULE_AOT(module)->import_globals + (i - import_func_count);
module_name_rt = import->module_name;
field_name_rt = import->global_name;
val_type_rt = import->type;
mutability_rt = import->is_mutable;
}
#endif
if (!module_name_rt || !field_name_rt) {
continue;
}
if (!(type = wasm_globaltype_new_internal(val_type_rt,
mutability_rt))) {
goto failed;
}
extern_type = wasm_globaltype_as_externtype(type);
}
else if (i < import_func_count + import_global_count
+ import_memory_count) {
wasm_memorytype_t *type = NULL;
uint32 min_page = 0, max_page = 0;
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
WASMImport *import =
MODULE_INTERP(module)->import_memories
+ (i - import_func_count - import_global_count);
module_name_rt = import->u.names.module_name;
field_name_rt = import->u.names.field_name;
min_page = import->u.memory.init_page_count;
max_page = import->u.memory.max_page_count;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
AOTImportMemory *import =
MODULE_AOT(module)->import_memories
+ (i - import_func_count - import_global_count);
module_name_rt = import->module_name;
field_name_rt = import->memory_name;
min_page = import->mem_init_page_count;
max_page = import->mem_max_page_count;
}
#endif
if (!module_name_rt || !field_name_rt) {
continue;
}
wasm_name_new_from_string(&module_name, module_name_rt);
if (strlen(module_name_rt) && !module_name.data) {
goto failed;
}
wasm_name_new_from_string(&name, field_name_rt);
if (strlen(field_name_rt) && !name.data) {
goto failed;
}
if (!(type = wasm_memorytype_new_internal(min_page, max_page))) {
goto failed;
}
extern_type = wasm_memorytype_as_externtype(type);
}
else {
wasm_tabletype_t *type = NULL;
uint8 elem_type_rt = 0;
uint32 min_size = 0, max_size = 0;
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
WASMImport *import =
MODULE_INTERP(module)->import_tables
+ (i - import_func_count - import_global_count
- import_memory_count);
module_name_rt = import->u.names.module_name;
field_name_rt = import->u.names.field_name;
elem_type_rt = import->u.table.elem_type;
min_size = import->u.table.init_size;
max_size = import->u.table.max_size;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
AOTImportTable *import =
MODULE_AOT(module)->import_tables
+ (i - import_func_count - import_global_count
- import_memory_count);
module_name_rt = import->module_name;
field_name_rt = import->table_name;
elem_type_rt = VALUE_TYPE_FUNCREF;
min_size = import->table_init_size;
max_size = import->table_max_size;
}
#endif
if (!module_name_rt || !field_name_rt) {
continue;
}
if (!(type = wasm_tabletype_new_internal(elem_type_rt, min_size,
max_size))) {
goto failed;
}
extern_type = wasm_tabletype_as_externtype(type);
}
if (!extern_type) {
continue;
}
if (!(import_type =
wasm_importtype_new(&module_name, &name, extern_type))) {
goto failed;
}
if (!bh_vector_append((Vector *)out, &import_type)) {
goto failed_importtype_new;
}
}
return;
failed:
wasm_byte_vec_delete(&module_name);
wasm_byte_vec_delete(&name);
wasm_externtype_delete(extern_type);
failed_importtype_new:
wasm_importtype_delete(import_type);
wasm_importtype_vec_delete(out);
}
void
wasm_module_exports(const wasm_module_t *module, wasm_exporttype_vec_t *out)
{
uint32 i, export_count = 0;
wasm_byte_vec_t name = { 0 };
wasm_externtype_t *extern_type = NULL;
wasm_exporttype_t *export_type = NULL;
if (!module || !out || !valid_module_type((*module)->module_type)) {
return;
}
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
export_count = MODULE_INTERP(module)->export_count;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
export_count = MODULE_AOT(module)->export_count;
}
#endif
wasm_exporttype_vec_new_uninitialized(out, export_count);
if (export_count && !out->data) {
return;
}
for (i = 0; i != export_count; i++) {
WASMExport *export = NULL;
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
export = MODULE_INTERP(module)->exports + i;
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
export = MODULE_AOT(module)->exports + i;
}
#endif
if (!export) {
continue;
}
/* byte* -> wasm_byte_vec_t */
wasm_name_new_from_string(&name, export->name);
if (strlen(export->name) && !name.data) {
goto failed;
}
/* WASMExport -> (WASMType, (uint8, bool)) -> (wasm_functype_t, wasm_globaltype_t) -> wasm_externtype_t*/
switch (export->kind) {
case EXPORT_KIND_FUNC:
{
wasm_functype_t *type = NULL;
WASMType *type_rt;
if (!wasm_runtime_get_export_func_type(*module, export,
&type_rt)) {
goto failed;
}
if (!(type = wasm_functype_new_internal(type_rt))) {
goto failed;
}
extern_type = wasm_functype_as_externtype(type);
break;
}
case EXPORT_KIND_GLOBAL:
{
wasm_globaltype_t *type = NULL;
uint8 val_type_rt = 0;
bool mutability_rt = 0;
if (!wasm_runtime_get_export_global_type(
*module, export, &val_type_rt, &mutability_rt)) {
goto failed;
}
if (!(type = wasm_globaltype_new_internal(val_type_rt,
mutability_rt))) {
goto failed;
}
extern_type = wasm_globaltype_as_externtype(type);
break;
}
case EXPORT_KIND_MEMORY:
{
wasm_memorytype_t *type = NULL;
uint32 min_page = 0, max_page = 0;
if (!wasm_runtime_get_export_memory_type(
*module, export, &min_page, &max_page)) {
goto failed;
}
if (!(type =
wasm_memorytype_new_internal(min_page, max_page))) {
goto failed;
}
extern_type = wasm_memorytype_as_externtype(type);
break;
}
case EXPORT_KIND_TABLE:
{
wasm_tabletype_t *type = NULL;
uint8 elem_type_rt = 0;
uint32 min_size = 0, max_size = 0;
if (!wasm_runtime_get_export_table_type(
*module, export, &elem_type_rt, &min_size, &max_size)) {
goto failed;
}
if (!(type = wasm_tabletype_new_internal(
elem_type_rt, min_size, max_size))) {
goto failed;
}
extern_type = wasm_tabletype_as_externtype(type);
break;
}
default:
{
LOG_WARNING("%s meets unsupported type", __FUNCTION__,
export->kind);
break;
}
}
if (!(export_type = wasm_exporttype_new(&name, extern_type))) {
goto failed;
}
if (!(bh_vector_append((Vector *)out, &export_type))) {
goto failed_exporttype_new;
}
}
return;
failed:
wasm_byte_vec_delete(&name);
wasm_externtype_delete(extern_type);
failed_exporttype_new:
wasm_exporttype_delete(export_type);
wasm_exporttype_vec_delete(out);
}
static uint32
argv_to_params(const uint64 *argv,
const wasm_valtype_vec_t *param_defs,
wasm_val_t out[])
{
size_t i = 0;
uint32 argc = 0;
for (i = 0; i < param_defs->num_elems; i++) {
wasm_valtype_t *param_def = param_defs->data[i];
wasm_val_t *param = out + i;
switch (param_def->kind) {
case WASM_I32:
param->kind = WASM_I32;
param->of.i32 = *(uint32 *)(argv + i);
argc++;
break;
case WASM_I64:
param->kind = WASM_I64;
param->of.i64 = *(uint64 *)(argv + i);
argc++;
break;
case WASM_F32:
param->kind = WASM_F32;
param->of.f32 = *(float32 *)(argv + i);
argc++;
break;
case WASM_F64:
param->kind = WASM_F64;
param->of.f64 = *(float64 *)(argv + i);
argc++;
break;
default:
LOG_WARNING("%s meets unsupported type: %d", __FUNCTION__,
param_def->kind);
goto failed;
}
}
return argc;
failed:
return 0;
}
static uint32
results_to_argv(const wasm_val_t *results,
const wasm_valtype_vec_t *result_defs,
uint64 *out)
{
size_t i = 0;
uint32 argc = 0;
for (i = 0; i < result_defs->num_elems; ++i) {
wasm_valtype_t *result_def = result_defs->data[i];
const wasm_val_t *result = results + i;
switch (result_def->kind) {
case WASM_I32:
*(int32 *)(out + i) = result->of.i32;
argc++;
break;
case WASM_I64:
*(int64 *)(out + i) = result->of.i64;
argc++;
break;
case WASM_F32:
*(float32 *)(out + i) = result->of.f32;
argc++;
break;
case WASM_F64:
*(float64 *)(out + i) = result->of.f64;
argc++;
break;
default:
{
LOG_WARNING("%s meets unsupported kind", __FUNCTION__,
result_def->kind);
goto failed;
}
}
}
return argc;
failed:
return 0;
}
static wasm_trap_t *cur_trap = NULL;
static void
native_func_trampoline(wasm_exec_env_t exec_env, uint64 *argv)
{
wasm_val_t *params = NULL, *results = NULL;
uint32 argc = 0;
const wasm_func_t *func = NULL;
wasm_trap_t *trap = NULL;
size_t param_count, result_count;
func = wasm_runtime_get_function_attachment(exec_env);
bh_assert(func);
param_count = wasm_func_param_arity(func);
if (param_count) {
if (!argv) {
goto failed;
}
if (!(params = malloc_internal(param_count * sizeof(wasm_val_t)))) {
goto failed;
}
/* argv -> const wasm_val_t params[] */
if (!(argc = argv_to_params(argv, wasm_functype_params(func->type),
params))) {
goto failed;
}
}
result_count = wasm_func_result_arity(func);
if (result_count) {
if (!argv) {
goto failed;
}
if (!(results = malloc_internal(result_count * sizeof(wasm_val_t)))) {
goto failed;
}
}
if (func->with_env) {
trap = func->u.cb_env.cb(func->u.cb_env.env, params, results);
}
else {
trap = func->u.cb(params, results);
}
if (trap) {
wasm_byte_vec_t message = { 0 };
wasm_trap_message(trap, &message);
if (message.data) {
LOG_WARNING("got a trap %s", message.data);
wasm_runtime_set_exception(exec_env->module_inst,
"call failed, meet a wasm_trap_t");
}
wasm_byte_vec_delete(&message);
cur_trap = trap;
}
if (argv) {
memset(argv, 0, wasm_func_param_arity(func) * sizeof(uint64));
}
/* there is no trap and there is return values */
if (!trap && result_count) {
/* wasm_val_t results[] -> argv */
if (!(argc = results_to_argv(
results, wasm_functype_results(func->type), argv))) {
goto failed;
}
}
failed:
FREEIF(params);
FREEIF(results);
return;
}
static wasm_func_t *
wasm_func_new_basic(const wasm_functype_t *type,
wasm_func_callback_t func_callback)
{
wasm_func_t *func = NULL;
if (!(func = malloc_internal(sizeof(wasm_func_t)))) {
goto failed;
}
func->kind = WASM_EXTERN_FUNC;
func->with_env = false;
func->u.cb = func_callback;
if (!(func->type = wasm_functype_copy(type))) {
goto failed;
}
RETURN_OBJ(func, wasm_func_delete)
}
static wasm_func_t *
wasm_func_new_with_env_basic(const wasm_functype_t *type,
wasm_func_callback_with_env_t callback,
void *env,
void (*finalizer)(void *))
{
wasm_func_t *func = NULL;
if (!(func = malloc_internal(sizeof(wasm_func_t)))) {
goto failed;
}
func->kind = WASM_EXTERN_FUNC;
func->with_env = true;
func->u.cb_env.cb = callback;
func->u.cb_env.env = env;
func->u.cb_env.finalizer = finalizer;
if (!(func->type = wasm_functype_copy(type))) {
goto failed;
}
RETURN_OBJ(func, wasm_func_delete)
}
wasm_func_t *
wasm_func_new(wasm_store_t *store,
const wasm_functype_t *type,
wasm_func_callback_t callback)
{
bh_assert(singleton_engine);
return wasm_func_new_basic(type, callback);
}
wasm_func_t *
wasm_func_new_with_env(wasm_store_t *store,
const wasm_functype_t *type,
wasm_func_callback_with_env_t callback,
void *env,
void (*finalizer)(void *))
{
bh_assert(singleton_engine);
return wasm_func_new_with_env_basic(type, callback, env, finalizer);
}
static wasm_func_t *
wasm_func_new_internal(wasm_store_t *store,
uint16 func_idx_rt,
WASMModuleInstanceCommon *inst_comm_rt)
{
wasm_func_t *func = NULL;
WASMType *type_rt = NULL;
bh_assert(singleton_engine);
if (!inst_comm_rt || !valid_module_type(inst_comm_rt->module_type)) {
return NULL;
}
func = malloc_internal(sizeof(wasm_func_t));
if (!func) {
goto failed;
}
func->kind = WASM_EXTERN_FUNC;
#if WASM_ENABLE_INTERP != 0
if (inst_comm_rt->module_type == Wasm_Module_Bytecode) {
bh_assert(func_idx_rt
< ((WASMModuleInstance *)inst_comm_rt)->function_count);
WASMFunctionInstance *func_interp =
((WASMModuleInstance *)inst_comm_rt)->functions + func_idx_rt;
type_rt = func_interp->is_import_func
? func_interp->u.func_import->func_type
: func_interp->u.func->func_type;
}
#endif
#if WASM_ENABLE_AOT != 0
if (inst_comm_rt->module_type == Wasm_Module_AoT) {
/* use same index to trace the function type in AOTFuncType **func_types */
AOTModule *module_aot =
((AOTModuleInstance *)inst_comm_rt)->aot_module.ptr;
if (func_idx_rt < module_aot->import_func_count) {
type_rt = (module_aot->import_funcs + func_idx_rt)->func_type;
}
else {
type_rt =
module_aot
->func_types[module_aot->func_type_indexes
[func_idx_rt - module_aot->import_func_count]];
}
}
#endif
if (!type_rt) {
goto failed;
}
func->type = wasm_functype_new_internal(type_rt);
if (!func->type) {
goto failed;
}
/* will add name information when processing "exports" */
func->module_name = NULL;
func->name = NULL;
func->func_idx_rt = func_idx_rt;
func->inst_comm_rt = inst_comm_rt;
return func;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_func_delete(func);
return NULL;
}
void
wasm_func_delete(wasm_func_t *func)
{
if (!func) {
return;
}
if (func->type) {
wasm_functype_delete(func->type);
func->type = NULL;
}
if (func->with_env) {
if (func->u.cb_env.finalizer) {
func->u.cb_env.finalizer(func->u.cb_env.env);
func->u.cb_env.finalizer = NULL;
func->u.cb_env.env = NULL;
}
}
wasm_runtime_free(func);
}
own wasm_func_t *
wasm_func_copy(const wasm_func_t *func)
{
wasm_func_t *cloned = NULL;
if (!func) {
return NULL;
}
if (!(cloned = func->with_env
? wasm_func_new_with_env_basic(
func->type, func->u.cb_env.cb, func->u.cb_env.env,
func->u.cb_env.finalizer)
: wasm_func_new_basic(func->type, func->u.cb))) {
goto failed;
}
cloned->func_idx_rt = func->func_idx_rt;
cloned->inst_comm_rt = func->inst_comm_rt;
RETURN_OBJ(cloned, wasm_func_delete)
}
own wasm_functype_t *
wasm_func_type(const wasm_func_t *func)
{
if (!func) {
return NULL;
}
return wasm_functype_copy(func->type);
}
static uint32
params_to_argv(const wasm_val_t *params,
const wasm_valtype_vec_t *param_defs,
size_t param_arity,
uint32 *out)
{
size_t i = 0;
uint32 argc = 0;
const wasm_val_t *param = NULL;
if (!param_arity) {
return 0;
}
bh_assert(params && param_defs && out);
bh_assert(param_defs->num_elems == param_arity);
for (i = 0; out && i < param_arity; ++i) {
param = params + i;
bh_assert((*(param_defs->data + i))->kind == param->kind);
switch (param->kind) {
case WASM_I32:
*(int32 *)out = param->of.i32;
out += 1;
argc += 1;
break;
case WASM_I64:
*(int64 *)out = param->of.i64;
out += 2;
argc += 2;
break;
case WASM_F32:
*(float32 *)out = param->of.f32;
out += 1;
argc += 1;
break;
case WASM_F64:
*(float64 *)out = param->of.f64;
out += 2;
argc += 2;
break;
default:
LOG_DEBUG("unexpected parameter val type %d", param->kind);
goto failed;
}
}
return argc;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
return 0;
}
static uint32
argv_to_results(const uint32 *results,
const wasm_valtype_vec_t *result_defs,
size_t result_arity,
wasm_val_t *out)
{
size_t i = 0;
uint32 argc = 0;
const uint32 *result = results;
const wasm_valtype_t *def = NULL;
if (!result_arity) {
return 0;
}
bh_assert(results && result_defs && out);
bh_assert(result_arity == result_defs->num_elems);
for (i = 0; out && i < result_arity; i++) {
def = *(result_defs->data + i);
switch (def->kind) {
case WASM_I32:
{
out->kind = WASM_I32;
out->of.i32 = *(int32 *)result;
result += 1;
break;
}
case WASM_I64:
{
out->kind = WASM_I64;
out->of.i64 = *(int64 *)result;
result += 2;
break;
}
case WASM_F32:
{
out->kind = WASM_F32;
out->of.f32 = *(float32 *)result;
result += 1;
break;
}
case WASM_F64:
{
out->kind = WASM_F64;
out->of.f64 = *(float64 *)result;
result += 2;
break;
}
default:
LOG_WARNING("%s meets unsupported type: %d", __FUNCTION__,
def->kind);
goto failed;
}
out++;
argc++;
}
return argc;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
return 0;
}
wasm_trap_t *
wasm_func_call(const wasm_func_t *func,
const wasm_val_t params[],
wasm_val_t results[])
{
/* parameters count as if all are uint32 */
/* a int64 or float64 parameter means 2 */
uint32 argc = 0;
/* a parameter list and a return value list */
uint32 argv_buf[32], *argv = argv_buf;
WASMFunctionInstanceCommon *func_comm_rt = NULL;
WASMExecEnv *exec_env = NULL;
size_t param_count, result_count, alloc_count;
bh_assert(func && func->type && func->inst_comm_rt);
cur_trap = NULL;
#if WASM_ENABLE_INTERP != 0
if (func->inst_comm_rt->module_type == Wasm_Module_Bytecode) {
func_comm_rt = ((WASMModuleInstance *)func->inst_comm_rt)->functions
+ func->func_idx_rt;
}
#endif
#if WASM_ENABLE_AOT != 0
if (func->inst_comm_rt->module_type == Wasm_Module_AoT) {
if (!(func_comm_rt = func->func_comm_rt)) {
AOTModuleInstance *inst_aot = (AOTModuleInstance *)func->inst_comm_rt;
AOTModule *module_aot = (AOTModule *)inst_aot->aot_module.ptr;
uint32 export_i = 0, export_func_j = 0;
for (; export_i < module_aot->export_count; ++export_i) {
AOTExport *export = module_aot->exports + export_i;
if (export->kind == EXPORT_KIND_FUNC) {
if (export->index == func->func_idx_rt) {
func_comm_rt =
(AOTFunctionInstance *)inst_aot->export_funcs.ptr
+ export_func_j;
((wasm_func_t*)func)->func_comm_rt = func_comm_rt;
break;
}
export_func_j++;
}
}
}
}
#endif
if (!func_comm_rt) {
goto failed;
}
param_count = wasm_func_param_arity(func);
result_count = wasm_func_result_arity(func);
alloc_count = (param_count > result_count) ? param_count : result_count;
if (alloc_count > sizeof(argv_buf)/sizeof(uint64)) {
if (!(argv = malloc_internal(sizeof(uint64) * alloc_count))) {
goto failed;
}
}
/* copy parametes */
if (param_count
&& !(argc = params_to_argv(params, wasm_functype_params(func->type),
param_count, argv))) {
goto failed;
}
exec_env = wasm_runtime_get_exec_env_singleton(func->inst_comm_rt);
if (!exec_env) {
goto failed;
}
if (!wasm_runtime_call_wasm(exec_env, func_comm_rt, argc, argv)) {
if (wasm_runtime_get_exception(func->inst_comm_rt)) {
LOG_DEBUG(wasm_runtime_get_exception(func->inst_comm_rt));
goto failed;
}
}
/* copy results */
if (result_count) {
if (!(argc = argv_to_results(argv, wasm_functype_results(func->type),
result_count, results))) {
goto failed;
}
}
if (argv != argv_buf)
wasm_runtime_free(argv);
return NULL;
failed:
if (argv != argv_buf)
wasm_runtime_free(argv);
if (cur_trap) {
return cur_trap;
}
else {
if (wasm_runtime_get_exception(func->inst_comm_rt)) {
return wasm_trap_new_internal(
wasm_runtime_get_exception(func->inst_comm_rt));
}
else {
return wasm_trap_new_internal("wasm_func_call failed");
}
}
}
size_t
wasm_func_param_arity(const wasm_func_t *func)
{
if (!func || !func->type || !func->type->params) {
return 0;
}
return func->type->params->num_elems;
}
size_t
wasm_func_result_arity(const wasm_func_t *func)
{
if (!func || !func->type || !func->type->results) {
return 0;
}
return func->type->results->num_elems;
}
wasm_global_t *
wasm_global_new(wasm_store_t *store,
const wasm_globaltype_t *global_type,
const wasm_val_t *init)
{
wasm_global_t *global = NULL;
bh_assert(singleton_engine);
global = malloc_internal(sizeof(wasm_global_t));
if (!global) {
goto failed;
}
global->kind = WASM_EXTERN_GLOBAL;
global->type = wasm_globaltype_copy(global_type);
if (!global->type) {
goto failed;
}
global->init = malloc_internal(sizeof(wasm_val_t));
if (!global->init) {
goto failed;
}
wasm_val_copy(global->init, init);
/* TODO: how to check if above is failed */
return global;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_global_delete(global);
return NULL;
}
/* almost same with wasm_global_new */
wasm_global_t *
wasm_global_copy(const wasm_global_t *src)
{
wasm_global_t *global = NULL;
if (!src) {
return NULL;
}
global = malloc_internal(sizeof(wasm_global_t));
if (!global) {
goto failed;
}
global->kind = WASM_EXTERN_GLOBAL;
global->type = wasm_globaltype_copy(src->type);
if (!global->type) {
goto failed;
}
global->init = malloc_internal(sizeof(wasm_val_t));
if (!global->init) {
goto failed;
}
wasm_val_copy(global->init, src->init);
global->global_idx_rt = src->global_idx_rt;
global->inst_comm_rt = src->inst_comm_rt;
return global;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_global_delete(global);
return NULL;
}
void
wasm_global_delete(wasm_global_t *global)
{
if (!global) {
return;
}
if (global->init) {
wasm_val_delete(global->init);
global->init = NULL;
}
if (global->type) {
wasm_globaltype_delete(global->type);
global->type = NULL;
}
wasm_runtime_free(global);
}
bool
wasm_global_same(const wasm_global_t *g1, const wasm_global_t *g2)
{
if (!g1 && !g2) {
return true;
}
if (!g1 || !g2) {
return false;
}
return g1->kind == g2->kind && wasm_globaltype_same(g1->type, g2->type)
&& wasm_val_same(g1->init, g2->init);
}
#if WASM_ENABLE_INTERP != 0
static bool
interp_global_set(const WASMModuleInstance *inst_interp,
uint16 global_idx_rt,
const wasm_val_t *v)
{
const WASMGlobalInstance *global_interp =
inst_interp->globals + global_idx_rt;
uint8 val_type_rt = global_interp->type;
#if WASM_ENABLE_MULTI_MODULE != 0
uint8 *data = global_interp->import_global_inst
? global_interp->import_module_inst->global_data
+ global_interp->import_global_inst->data_offset
: inst_interp->global_data + global_interp->data_offset;
#else
uint8 *data = inst_interp->global_data + global_interp->data_offset;
#endif
bool ret = true;
switch (val_type_rt) {
case VALUE_TYPE_I32:
bh_assert(WASM_I32 == v->kind);
*((int32 *)data) = v->of.i32;
break;
case VALUE_TYPE_F32:
bh_assert(WASM_F32 == v->kind);
*((float32 *)data) = v->of.f32;
break;
case VALUE_TYPE_I64:
bh_assert(WASM_I64 == v->kind);
*((int64 *)data) = v->of.i64;
break;
case VALUE_TYPE_F64:
bh_assert(WASM_F64 == v->kind);
*((float64 *)data) = v->of.f64;
break;
default:
LOG_DEBUG("unexpected value type %d", val_type_rt);
ret = false;
break;
}
return ret;
}
static bool
interp_global_get(const WASMModuleInstance *inst_interp,
uint16 global_idx_rt,
wasm_val_t *out)
{
WASMGlobalInstance *global_interp = inst_interp->globals + global_idx_rt;
uint8 val_type_rt = global_interp->type;
#if WASM_ENABLE_MULTI_MODULE != 0
uint8 *data = global_interp->import_global_inst
? global_interp->import_module_inst->global_data
+ global_interp->import_global_inst->data_offset
: inst_interp->global_data + global_interp->data_offset;
#else
uint8 *data = inst_interp->global_data + global_interp->data_offset;
#endif
bool ret = true;
switch (val_type_rt) {
case VALUE_TYPE_I32:
out->kind = WASM_I32;
out->of.i32 = *((int32 *)data);
break;
case VALUE_TYPE_F32:
out->kind = WASM_F32;
out->of.f32 = *((float32 *)data);
break;
case VALUE_TYPE_I64:
out->kind = WASM_I64;
out->of.i64 = *((int64 *)data);
break;
case VALUE_TYPE_F64:
out->kind = WASM_F64;
out->of.f64 = *((float64 *)data);
break;
default:
LOG_DEBUG("unexpected value type %d", val_type_rt);
ret = false;
}
return ret;
}
#endif
#if WASM_ENABLE_AOT != 0
static bool
aot_global_set(const AOTModuleInstance *inst_aot,
uint16 global_idx_rt,
const wasm_val_t *v)
{
AOTModule *module_aot = inst_aot->aot_module.ptr;
uint8 val_type_rt = 0;
uint32 data_offset = 0;
void *data = NULL;
bool ret = true;
if (global_idx_rt < module_aot->import_global_count) {
data_offset = module_aot->import_globals[global_idx_rt].data_offset;
val_type_rt = module_aot->import_globals[global_idx_rt].type;
}
else {
data_offset =
module_aot->globals[global_idx_rt - module_aot->import_global_count]
.data_offset;
val_type_rt =
module_aot->globals[global_idx_rt - module_aot->import_global_count]
.type;
}
data = (void *)((uint8 *)inst_aot->global_data.ptr + data_offset);
switch (val_type_rt) {
case VALUE_TYPE_I32:
bh_assert(WASM_I32 == v->kind);
*((int32 *)data) = v->of.i32;
break;
case VALUE_TYPE_F32:
bh_assert(WASM_F32 == v->kind);
*((float32 *)data) = v->of.f32;
break;
case VALUE_TYPE_I64:
bh_assert(WASM_I64 == v->kind);
*((int64 *)data) = v->of.i64;
break;
case VALUE_TYPE_F64:
bh_assert(WASM_F64 == v->kind);
*((float64 *)data) = v->of.f64;
break;
default:
LOG_DEBUG("unexpected value type %d", val_type_rt);
ret = false;
}
return ret;
}
static bool
aot_global_get(const AOTModuleInstance *inst_aot,
uint16 global_idx_rt,
wasm_val_t *out)
{
AOTModule *module_aot = inst_aot->aot_module.ptr;
uint8 val_type_rt = 0;
uint32 data_offset = 0;
void *data = NULL;
bool ret = true;
if (global_idx_rt < module_aot->import_global_count) {
data_offset = module_aot->import_globals[global_idx_rt].data_offset;
val_type_rt = module_aot->import_globals[global_idx_rt].type;
}
else {
data_offset =
module_aot->globals[global_idx_rt - module_aot->import_global_count]
.data_offset;
val_type_rt =
module_aot->globals[global_idx_rt - module_aot->import_global_count]
.type;
}
data = (void *)((uint8 *)inst_aot->global_data.ptr + data_offset);
switch (val_type_rt) {
case VALUE_TYPE_I32:
out->kind = WASM_I32;
out->of.i32 = *((int32 *)data);
break;
case VALUE_TYPE_F32:
out->kind = WASM_F32;
out->of.f32 = *((float32 *)data);
break;
case VALUE_TYPE_I64:
out->kind = WASM_I64;
out->of.i64 = *((int64 *)data);
break;
case VALUE_TYPE_F64:
out->kind = WASM_F64;
out->of.f64 = *((float64 *)data);
break;
default:
LOG_DEBUG("unexpected value type %d", val_type_rt);
ret = false;
}
return ret;
}
#endif
void
wasm_global_set(wasm_global_t *global, const wasm_val_t *v)
{
if (!global || !v
|| !valid_module_type(global->inst_comm_rt->module_type)) {
return;
}
#if WASM_ENABLE_INTERP != 0
if (global->inst_comm_rt->module_type == Wasm_Module_Bytecode) {
(void)interp_global_set((WASMModuleInstance *)global->inst_comm_rt,
global->global_idx_rt, v);
}
#endif
#if WASM_ENABLE_AOT != 0
if (global->inst_comm_rt->module_type == Wasm_Module_AoT) {
(void)aot_global_set((AOTModuleInstance *)global->inst_comm_rt,
global->global_idx_rt, v);
}
#endif
}
void
wasm_global_get(const wasm_global_t *global, wasm_val_t *out)
{
if (!global || !out
|| !valid_module_type(global->inst_comm_rt->module_type)) {
return;
}
memset(out, 0, sizeof(wasm_val_t));
#if WASM_ENABLE_INTERP != 0
if (global->inst_comm_rt->module_type == Wasm_Module_Bytecode) {
(void)interp_global_get((WASMModuleInstance *)global->inst_comm_rt,
global->global_idx_rt, out);
}
#endif
#if WASM_ENABLE_AOT != 0
if (global->inst_comm_rt->module_type == Wasm_Module_AoT) {
(void)aot_global_get((AOTModuleInstance *)global->inst_comm_rt,
global->global_idx_rt, out);
}
#endif
bh_assert(global->init->kind == out->kind);
}
static wasm_global_t *
wasm_global_new_internal(wasm_store_t *store,
uint16 global_idx_rt,
WASMModuleInstanceCommon *inst_comm_rt)
{
wasm_global_t *global = NULL;
uint8 val_type_rt = 0;
bool is_mutable = 0;
bh_assert(singleton_engine);
if (!inst_comm_rt || !valid_module_type(inst_comm_rt->module_type)) {
return NULL;
}
global = malloc_internal(sizeof(wasm_global_t));
if (!global) {
goto failed;
}
/*
* global->module_name = NULL;
* global->name = NULL;
*/
global->kind = WASM_EXTERN_GLOBAL;
#if WASM_ENABLE_INTERP != 0
if (inst_comm_rt->module_type == Wasm_Module_Bytecode) {
WASMGlobalInstance *global_interp =
((WASMModuleInstance *)inst_comm_rt)->globals + global_idx_rt;
val_type_rt = global_interp->type;
is_mutable = global_interp->is_mutable;
}
#endif
#if WASM_ENABLE_AOT != 0
if (inst_comm_rt->module_type == Wasm_Module_AoT) {
AOTModuleInstance *inst_aot = (AOTModuleInstance *)inst_comm_rt;
AOTModule *module_aot = inst_aot->aot_module.ptr;
if (global_idx_rt < module_aot->import_global_count) {
AOTImportGlobal *global_import_aot =
module_aot->import_globals + global_idx_rt;
val_type_rt = global_import_aot->type;
is_mutable = global_import_aot->is_mutable;
}
else {
AOTGlobal *global_aot =
module_aot->globals
+ (global_idx_rt - module_aot->import_global_count);
val_type_rt = global_aot->type;
is_mutable = global_aot->is_mutable;
}
}
#endif
global->type = wasm_globaltype_new_internal(val_type_rt, is_mutable);
if (!global->type) {
goto failed;
}
global->init = malloc_internal(sizeof(wasm_val_t));
if (!global->init) {
goto failed;
}
#if WASM_ENABLE_INTERP != 0
if (inst_comm_rt->module_type == Wasm_Module_Bytecode) {
interp_global_get((WASMModuleInstance *)inst_comm_rt, global_idx_rt,
global->init);
}
#endif
#if WASM_ENABLE_AOT != 0
if (inst_comm_rt->module_type == Wasm_Module_AoT) {
aot_global_get((AOTModuleInstance *)inst_comm_rt, global_idx_rt,
global->init);
}
#endif
global->inst_comm_rt = inst_comm_rt;
global->global_idx_rt = global_idx_rt;
return global;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_global_delete(global);
return NULL;
}
wasm_globaltype_t *
wasm_global_type(const wasm_global_t *global)
{
if (!global) {
return NULL;
}
return wasm_globaltype_copy(global->type);
}
static wasm_table_t *
wasm_table_new_basic(const wasm_tabletype_t *type)
{
wasm_table_t *table = NULL;
if (!(table = malloc_internal(sizeof(wasm_table_t)))) {
goto failed;
}
table->kind = WASM_EXTERN_TABLE;
if (!(table->type = wasm_tabletype_copy(type))) {
goto failed;
}
RETURN_OBJ(table, wasm_table_delete);
}
static wasm_table_t *
wasm_table_new_internal(wasm_store_t *store,
uint16 table_idx_rt,
WASMModuleInstanceCommon *inst_comm_rt)
{
wasm_table_t *table = NULL;
uint8 val_type_rt = 0;
uint32 init_size = 0, max_size = 0;
bh_assert(singleton_engine);
if (!inst_comm_rt || !valid_module_type(inst_comm_rt->module_type)) {
return NULL;
}
if (!(table = malloc_internal(sizeof(wasm_table_t)))) {
goto failed;
}
table->kind = WASM_EXTERN_TABLE;
#if WASM_ENABLE_INTERP != 0
if (inst_comm_rt->module_type == Wasm_Module_Bytecode) {
WASMTableInstance *table_interp =
((WASMModuleInstance *)inst_comm_rt)->tables[table_idx_rt];
val_type_rt = table_interp->elem_type;
init_size = table_interp->cur_size;
max_size = table_interp->max_size;
}
#endif
#if WASM_ENABLE_AOT != 0
if (inst_comm_rt->module_type == Wasm_Module_AoT) {
AOTModuleInstance *inst_aot = (AOTModuleInstance *)inst_comm_rt;
AOTModule *module_aot = (AOTModule *)inst_aot->aot_module.ptr;
if (table_idx_rt < module_aot->import_table_count) {
AOTImportTable *table_aot =
module_aot->import_tables + table_idx_rt;
val_type_rt = VALUE_TYPE_FUNCREF;
init_size = table_aot->table_init_size;
max_size = table_aot->table_max_size;
}
else {
AOTTable *table_aot =
module_aot->tables
+ (table_idx_rt - module_aot->import_table_count);
val_type_rt = VALUE_TYPE_FUNCREF;
init_size = table_aot->table_init_size;
max_size = table_aot->table_max_size;
}
}
#endif
if (!(table->type =
wasm_tabletype_new_internal(val_type_rt, init_size, max_size))) {
goto failed;
}
table->inst_comm_rt = inst_comm_rt;
table->table_idx_rt = table_idx_rt;
RETURN_OBJ(table, wasm_table_delete);
}
wasm_table_t *
wasm_table_new(wasm_store_t *store,
const wasm_tabletype_t *table_type,
wasm_ref_t *init)
{
(void)init;
bh_assert(singleton_engine);
return wasm_table_new_basic(table_type);
}
wasm_table_t *
wasm_table_copy(const wasm_table_t *src)
{
return wasm_table_new_basic(src->type);
}
void
wasm_table_delete(wasm_table_t *table)
{
if (!table) {
return;
}
if (table->type) {
wasm_tabletype_delete(table->type);
table->type = NULL;
}
wasm_runtime_free(table);
}
wasm_tabletype_t *
wasm_table_type(const wasm_table_t *table)
{
if (!table) {
return NULL;
}
return wasm_tabletype_copy(table->type);
}
static wasm_memory_t *
wasm_memory_new_basic(const wasm_memorytype_t *type)
{
wasm_memory_t *memory = NULL;
if (!(memory = malloc_internal(sizeof(wasm_memory_t)))) {
goto failed;
}
memory->kind = WASM_EXTERN_MEMORY;
memory->type = wasm_memorytype_copy(type);
RETURN_OBJ(memory, wasm_memory_delete)
}
wasm_memory_t *
wasm_memory_new(wasm_store_t *store, const wasm_memorytype_t *type)
{
bh_assert(singleton_engine);
return wasm_memory_new_basic(type);
}
wasm_memory_t *
wasm_memory_copy(const wasm_memory_t *src)
{
wasm_memory_t *dst = NULL;
if (!src) {
return NULL;
}
if (!(dst = wasm_memory_new_basic(src->type))) {
goto failed;
}
dst->memory_idx_rt = src->memory_idx_rt;
dst->inst_comm_rt = src->inst_comm_rt;
RETURN_OBJ(dst, wasm_memory_delete)
}
static wasm_memory_t *
wasm_memory_new_internal(wasm_store_t *store,
uint16 memory_idx_rt,
WASMModuleInstanceCommon *inst_comm_rt)
{
wasm_memory_t *memory = NULL;
uint32 min_pages = 0, max_pages = 0;
bh_assert(singleton_engine);
if (!inst_comm_rt || !valid_module_type(inst_comm_rt->module_type)) {
return NULL;
}
if (!(memory = malloc_internal(sizeof(wasm_memory_t)))) {
goto failed;
}
memory->kind = WASM_EXTERN_MEMORY;
#if WASM_ENABLE_INTERP != 0
if (inst_comm_rt->module_type == Wasm_Module_Bytecode) {
WASMMemoryInstance *memory_interp =
((WASMModuleInstance *)inst_comm_rt)->memories[memory_idx_rt];
min_pages = memory_interp->cur_page_count;
max_pages = memory_interp->max_page_count;
}
#endif
#if WASM_ENABLE_AOT != 0
if (inst_comm_rt->module_type == Wasm_Module_AoT) {
AOTModuleInstance *inst_aot = (AOTModuleInstance *)inst_comm_rt;
AOTModule *module_aot = (AOTModule *)(inst_aot->aot_module.ptr);
if (memory_idx_rt < module_aot->import_memory_count) {
min_pages = module_aot->import_memories->mem_init_page_count;
max_pages = module_aot->import_memories->mem_max_page_count;
}
else {
min_pages = module_aot->memories->mem_init_page_count;
max_pages = module_aot->memories->mem_max_page_count;
}
}
#endif
if (!(memory->type = wasm_memorytype_new_internal(min_pages, max_pages))) {
goto failed;
}
memory->inst_comm_rt = inst_comm_rt;
memory->memory_idx_rt = memory_idx_rt;
RETURN_OBJ(memory, wasm_memory_delete);
}
void
wasm_memory_delete(wasm_memory_t *memory)
{
if (!memory) {
return;
}
if (memory->type) {
wasm_memorytype_delete(memory->type);
memory->type = NULL;
}
wasm_runtime_free(memory);
}
wasm_memorytype_t *
wasm_memory_type(const wasm_memory_t *memory)
{
if (!memory) {
return NULL;
}
return wasm_memorytype_copy(memory->type);
}
byte_t *
wasm_memory_data(wasm_memory_t *memory)
{
return (byte_t *)wasm_runtime_get_memory_data(memory->inst_comm_rt,
memory->memory_idx_rt);
}
size_t
wasm_memory_data_size(const wasm_memory_t *memory)
{
return wasm_runtime_get_memory_data_size(memory->inst_comm_rt,
memory->memory_idx_rt);
}
#if WASM_ENABLE_INTERP != 0
static bool
interp_link_func(const wasm_instance_t *inst,
const WASMModule *module_interp,
uint16 func_idx_rt,
wasm_func_t *import)
{
WASMImport *imported_func_interp = NULL;
wasm_func_t *cloned = NULL;
bh_assert(inst && module_interp && import);
bh_assert(func_idx_rt < module_interp->import_function_count);
bh_assert(WASM_EXTERN_FUNC == import->kind);
imported_func_interp = module_interp->import_functions + func_idx_rt;
bh_assert(imported_func_interp);
if (!(cloned = wasm_func_copy(import))) {
return false;
}
if (!bh_vector_append((Vector *)inst->imports, &cloned)) {
wasm_func_delete(cloned);
return false;
}
/* add native_func_trampoline as a NativeSymbol */
imported_func_interp->u.function.call_conv_raw = true;
imported_func_interp->u.function.attachment = cloned;
imported_func_interp->u.function.func_ptr_linked = native_func_trampoline;
import->func_idx_rt = func_idx_rt;
return true;
}
static bool
interp_link_global(const WASMModule *module_interp,
uint16 global_idx_rt,
wasm_global_t *import)
{
WASMImport *imported_global_interp = NULL;
bh_assert(module_interp && import);
bh_assert(global_idx_rt < module_interp->import_global_count);
bh_assert(WASM_EXTERN_GLOBAL == import->kind);
imported_global_interp = module_interp->import_globals + global_idx_rt;
bh_assert(imported_global_interp);
/* set init value */
switch (wasm_valtype_kind(import->type->val_type)) {
case WASM_I32:
bh_assert(VALUE_TYPE_I32 == imported_global_interp->u.global.type);
imported_global_interp->u.global.global_data_linked.i32 =
import->init->of.i32;
break;
case WASM_I64:
bh_assert(VALUE_TYPE_I64 == imported_global_interp->u.global.type);
imported_global_interp->u.global.global_data_linked.i64 =
import->init->of.i64;
break;
case WASM_F32:
bh_assert(VALUE_TYPE_F32 == imported_global_interp->u.global.type);
imported_global_interp->u.global.global_data_linked.f32 =
import->init->of.f32;
break;
case WASM_F64:
bh_assert(VALUE_TYPE_F64 == imported_global_interp->u.global.type);
imported_global_interp->u.global.global_data_linked.f64 =
import->init->of.f64;
break;
default:
return false;
}
import->global_idx_rt = global_idx_rt;
imported_global_interp->u.global.is_linked = true;
return true;
}
static uint32
interp_link(const wasm_instance_t *inst,
const WASMModule *module_interp,
wasm_extern_t *imports[])
{
uint32 i = 0;
uint32 import_func_i = 0;
uint32 import_global_i = 0;
bh_assert(inst && module_interp && imports);
for (i = 0; i < module_interp->import_count; ++i) {
wasm_extern_t *import = imports[i];
WASMImport *import_rt = module_interp->imports + i;
switch (import_rt->kind) {
case IMPORT_KIND_FUNC:
{
if (!interp_link_func(inst, module_interp, import_func_i++,
wasm_extern_as_func(import))) {
goto failed;
}
break;
}
case IMPORT_KIND_GLOBAL:
{
if (!interp_link_global(module_interp, import_global_i++,
wasm_extern_as_global(import))) {
goto failed;
}
break;
}
case IMPORT_KIND_MEMORY:
case IMPORT_KIND_TABLE:
ASSERT_NOT_IMPLEMENTED();
break;
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
import_rt->kind);
goto failed;
}
}
return i;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
return (uint32)-1;
}
static bool
interp_process_export(wasm_store_t *store,
const WASMModuleInstance *inst_interp,
wasm_extern_vec_t *externals)
{
WASMExport *exports = NULL;
WASMExport *export = NULL;
wasm_extern_t *external = NULL;
uint32 export_cnt = 0;
uint32 i = 0;
bh_assert(store && inst_interp && inst_interp->module && externals);
exports = inst_interp->module->exports;
export_cnt = inst_interp->module->export_count;
for (i = 0; i < export_cnt; ++i) {
export = exports + i;
switch (export->kind) {
case EXPORT_KIND_FUNC:
{
wasm_func_t *func;
if (!(func = wasm_func_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_interp))) {
goto failed;
}
external = wasm_func_as_extern(func);
break;
}
case EXPORT_KIND_GLOBAL:
{
wasm_global_t *global;
if (!(global = wasm_global_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_interp))) {
goto failed;
}
external = wasm_global_as_extern(global);
break;
}
case EXPORT_KIND_TABLE:
{
wasm_table_t *table;
if (!(table = wasm_table_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_interp))) {
goto failed;
}
external = wasm_table_as_extern(table);
break;
}
case EXPORT_KIND_MEMORY:
{
wasm_memory_t *memory;
if (!(memory = wasm_memory_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_interp))) {
goto failed;
}
external = wasm_memory_as_extern(memory);
break;
}
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
export->kind);
goto failed;
}
if (!bh_vector_append((Vector *)externals, &external)) {
goto failed;
}
}
return true;
failed:
wasm_extern_delete(external);
return false;
}
#endif /* WASM_ENABLE_INTERP */
#if WASM_ENABLE_AOT != 0
static bool
aot_link_func(const wasm_instance_t *inst,
const AOTModule *module_aot,
uint32 import_func_idx_rt,
wasm_func_t *import)
{
AOTImportFunc *import_aot_func = NULL;
wasm_func_t *cloned = NULL;
bh_assert(inst && module_aot && import);
import_aot_func = module_aot->import_funcs + import_func_idx_rt;
bh_assert(import_aot_func);
if (!(cloned = wasm_func_copy(import))) {
return false;
}
if (!bh_vector_append((Vector *)inst->imports, &cloned)) {
wasm_func_delete(cloned);
return false;
}
import_aot_func->call_conv_wasm_c_api = true;
import_aot_func->wasm_c_api_with_env = import->with_env;
if (import->with_env) {
import_aot_func->func_ptr_linked = import->u.cb_env.cb;
import_aot_func->attachment = import->u.cb_env.env;
}
else
import_aot_func->func_ptr_linked = import->u.cb;
import->func_idx_rt = import_func_idx_rt;
return true;
}
static bool
aot_link_global(const AOTModule *module_aot,
uint16 global_idx_rt,
wasm_global_t *import)
{
AOTImportGlobal *import_aot_global = NULL;
const wasm_valtype_t *val_type = NULL;
bh_assert(module_aot && import);
import_aot_global = module_aot->import_globals + global_idx_rt;
bh_assert(import_aot_global);
//TODO: import->type ?
val_type = wasm_globaltype_content(import->type);
bh_assert(val_type);
switch (wasm_valtype_kind(val_type)) {
case WASM_I32:
bh_assert(VALUE_TYPE_I32 == import_aot_global->type);
import_aot_global->global_data_linked.i32 = import->init->of.i32;
break;
case WASM_I64:
bh_assert(VALUE_TYPE_I64 == import_aot_global->type);
import_aot_global->global_data_linked.i64 = import->init->of.i64;
break;
case WASM_F32:
bh_assert(VALUE_TYPE_F32 == import_aot_global->type);
import_aot_global->global_data_linked.f32 = import->init->of.f32;
break;
case WASM_F64:
bh_assert(VALUE_TYPE_F64 == import_aot_global->type);
import_aot_global->global_data_linked.f64 = import->init->of.f64;
break;
default:
goto failed;
}
import->global_idx_rt = global_idx_rt;
return true;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
return false;
}
static uint32
aot_link(const wasm_instance_t *inst,
const AOTModule *module_aot,
wasm_extern_t *imports[])
{
uint32 i = 0;
uint32 import_func_i = 0;
uint32 import_global_i = 0;
wasm_extern_t *import = NULL;
wasm_func_t *func = NULL;
wasm_global_t *global = NULL;
bh_assert(inst && module_aot && imports);
while (import_func_i < module_aot->import_func_count
|| import_global_i < module_aot->import_global_count) {
import = imports[i++];
bh_assert(import);
switch (wasm_extern_kind(import)) {
case WASM_EXTERN_FUNC:
bh_assert(import_func_i < module_aot->import_func_count);
func = wasm_extern_as_func((wasm_extern_t *)import);
if (!aot_link_func(inst, module_aot, import_func_i++, func)) {
goto failed;
}
break;
case WASM_EXTERN_GLOBAL:
bh_assert(import_global_i < module_aot->import_global_count);
global = wasm_extern_as_global((wasm_extern_t *)import);
if (!aot_link_global(module_aot, import_global_i++, global)) {
goto failed;
}
break;
case WASM_EXTERN_MEMORY:
case WASM_EXTERN_TABLE:
ASSERT_NOT_IMPLEMENTED();
break;
default:
goto failed;
}
}
return i;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
return (uint32)-1;
}
static bool
aot_process_export(wasm_store_t *store,
const AOTModuleInstance *inst_aot,
wasm_extern_vec_t *externals)
{
uint32 i;
wasm_extern_t *external = NULL;
AOTModule *module_aot = NULL;
bh_assert(store && inst_aot && externals);
module_aot = (AOTModule *)inst_aot->aot_module.ptr;
bh_assert(module_aot);
for (i = 0; i < module_aot->export_count; ++i) {
AOTExport *export = module_aot->exports + i;
switch (export->kind) {
case EXPORT_KIND_FUNC:
{
wasm_func_t *func = NULL;
if (!(func = wasm_func_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_aot))) {
goto failed;
}
external = wasm_func_as_extern(func);
break;
}
case EXPORT_KIND_GLOBAL:
{
wasm_global_t *global = NULL;
if (!(global = wasm_global_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_aot))) {
goto failed;
}
external = wasm_global_as_extern(global);
break;
}
case EXPORT_KIND_TABLE:
{
wasm_table_t *table;
if (!(table = wasm_table_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_aot))) {
goto failed;
}
external = wasm_table_as_extern(table);
break;
}
case EXPORT_KIND_MEMORY:
{
wasm_memory_t *memory;
if (!(memory = wasm_memory_new_internal(
store, export->index,
(WASMModuleInstanceCommon *)inst_aot))) {
goto failed;
}
external = wasm_memory_as_extern(memory);
break;
}
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
export->kind);
goto failed;
}
if (!(external->name = malloc_internal(sizeof(wasm_byte_vec_t)))) {
goto failed;
}
wasm_name_new_from_string(external->name, export->name);
if (strlen(export->name) && !external->name->data) {
goto failed;
}
if (!bh_vector_append((Vector *)externals, &external)) {
goto failed;
}
}
return true;
failed:
wasm_extern_delete(external);
return false;
}
#endif /* WASM_ENABLE_AOT */
wasm_instance_t *
wasm_instance_new(wasm_store_t *store,
const wasm_module_t *module,
const wasm_extern_t *const imports[],
own wasm_trap_t **traps)
{
char error_buf[128] = { 0 };
const uint32 stack_size = 16 * 1024;
const uint32 heap_size = 16 * 1024;
uint32 import_count = 0;
wasm_instance_t *instance = NULL;
uint32 i = 0;
(void)traps;
bh_assert(singleton_engine);
if (!module || !valid_module_type((*module)->module_type)) {
return NULL;
}
instance = malloc_internal(sizeof(wasm_instance_t));
if (!instance) {
goto failed;
}
/* link module and imports */
if (imports) {
#if WASM_ENABLE_INTERP != 0
if ((*module)->module_type == Wasm_Module_Bytecode) {
import_count = MODULE_INTERP(module)->import_count;
INIT_VEC(instance->imports, wasm_extern_vec_new_uninitialized,
import_count);
if (import_count) {
uint32 actual_link_import_count = interp_link(
instance, MODULE_INTERP(module), (wasm_extern_t **)imports);
/* make sure a complete import list */
if ((int32)import_count < 0
|| import_count != actual_link_import_count) {
goto failed;
}
}
}
#endif
#if WASM_ENABLE_AOT != 0
if ((*module)->module_type == Wasm_Module_AoT) {
import_count = MODULE_AOT(module)->import_func_count
+ MODULE_AOT(module)->import_global_count
+ MODULE_AOT(module)->import_memory_count
+ MODULE_AOT(module)->import_table_count;
INIT_VEC(instance->imports, wasm_extern_vec_new_uninitialized,
import_count);
if (import_count) {
import_count = aot_link(instance, MODULE_AOT(module),
(wasm_extern_t **)imports);
if ((int32)import_count < 0) {
goto failed;
}
}
}
#endif
}
instance->inst_comm_rt =
wasm_runtime_instantiate(*module, stack_size, heap_size,
error_buf, sizeof(error_buf));
if (!instance->inst_comm_rt) {
LOG_ERROR(error_buf);
goto failed;
}
if (!wasm_runtime_create_exec_env_singleton(instance->inst_comm_rt)) {
goto failed;
}
/* fill with inst */
for (i = 0; imports && i < (uint32)import_count; ++i) {
wasm_extern_t *import = (wasm_extern_t *)imports[i];
switch (import->kind) {
case WASM_EXTERN_FUNC:
wasm_extern_as_func(import)->inst_comm_rt =
instance->inst_comm_rt;
break;
case WASM_EXTERN_GLOBAL:
wasm_extern_as_global(import)->inst_comm_rt =
instance->inst_comm_rt;
break;
case WASM_EXTERN_MEMORY:
wasm_extern_as_memory(import)->inst_comm_rt =
instance->inst_comm_rt;
break;
case WASM_EXTERN_TABLE:
wasm_extern_as_table(import)->inst_comm_rt =
instance->inst_comm_rt;
break;
default:
goto failed;
}
}
/* build the exports list */
#if WASM_ENABLE_INTERP != 0
if (instance->inst_comm_rt->module_type == Wasm_Module_Bytecode) {
uint32 export_cnt =
((WASMModuleInstance *)instance->inst_comm_rt)->module->export_count;
INIT_VEC(instance->exports, wasm_extern_vec_new_uninitialized,
export_cnt);
if (!interp_process_export(
store, (WASMModuleInstance *)instance->inst_comm_rt,
instance->exports)) {
goto failed;
}
}
#endif
#if WASM_ENABLE_AOT != 0
if (instance->inst_comm_rt->module_type == Wasm_Module_AoT) {
uint32 export_cnt =
((AOTModuleInstance *)instance->inst_comm_rt)->export_func_count
+ ((AOTModuleInstance *)instance->inst_comm_rt)->export_global_count
+ ((AOTModuleInstance *)instance->inst_comm_rt)->export_tab_count
+ ((AOTModuleInstance *)instance->inst_comm_rt)->export_mem_count;
INIT_VEC(instance->exports, wasm_extern_vec_new_uninitialized,
export_cnt);
if (!aot_process_export(store,
(AOTModuleInstance *)instance->inst_comm_rt,
instance->exports)) {
goto failed;
}
}
#endif
/* add it to a watching list in store */
if (!bh_vector_append((Vector *)store->instances, &instance)) {
goto failed;
}
return instance;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_instance_delete_internal(instance);
return NULL;
}
static void
wasm_instance_delete_internal(wasm_instance_t *instance)
{
if (!instance) {
return;
}
DEINIT_VEC(instance->imports, wasm_extern_vec_delete);
DEINIT_VEC(instance->exports, wasm_extern_vec_delete);
if (instance->inst_comm_rt) {
wasm_runtime_deinstantiate(instance->inst_comm_rt);
instance->inst_comm_rt = NULL;
}
wasm_runtime_free(instance);
}
void
wasm_instance_delete(wasm_instance_t *module)
{
/* will release instance when releasing the store */
}
void
wasm_instance_exports(const wasm_instance_t *instance,
own wasm_extern_vec_t *out)
{
if (!instance || !out) {
return;
}
wasm_extern_vec_copy(out, instance->exports);
}
wasm_extern_t *
wasm_extern_copy(const wasm_extern_t *src)
{
wasm_extern_t *dst = NULL;
if (!src) {
return NULL;
}
switch (wasm_extern_kind(src)) {
case WASM_EXTERN_FUNC:
dst = wasm_func_as_extern(
wasm_func_copy(wasm_extern_as_func_const(src)));
break;
case WASM_EXTERN_GLOBAL:
dst = wasm_global_as_extern(
wasm_global_copy(wasm_extern_as_global_const(src)));
break;
case WASM_EXTERN_MEMORY:
dst = wasm_memory_as_extern(
wasm_memory_copy(wasm_extern_as_memory_const(src)));
break;
case WASM_EXTERN_TABLE:
dst = wasm_table_as_extern(
wasm_table_copy(wasm_extern_as_table_const(src)));
break;
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
src->kind);
break;
}
if (!dst) {
goto failed;
}
return dst;
failed:
LOG_DEBUG("%s failed", __FUNCTION__);
wasm_extern_delete(dst);
return NULL;
}
void
wasm_extern_delete(wasm_extern_t *external)
{
if (!external) {
return;
}
if (external->name) {
wasm_byte_vec_delete(external->name);
wasm_runtime_free(external->name);
external->name = NULL;
}
switch (wasm_extern_kind(external)) {
case WASM_EXTERN_FUNC:
wasm_func_delete(wasm_extern_as_func(external));
break;
case WASM_EXTERN_GLOBAL:
wasm_global_delete(wasm_extern_as_global(external));
break;
case WASM_EXTERN_MEMORY:
wasm_memory_delete(wasm_extern_as_memory(external));
break;
case WASM_EXTERN_TABLE:
wasm_table_delete(wasm_extern_as_table(external));
break;
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
external->kind);
break;
}
}
wasm_externkind_t
wasm_extern_kind(const wasm_extern_t *external)
{
if (!external) {
return WASM_ANYREF;
}
return external->kind;
}
own wasm_externtype_t *
wasm_extern_type(const wasm_extern_t *external)
{
if (!external) {
return NULL;
}
switch (wasm_extern_kind(external)) {
case WASM_EXTERN_FUNC:
return wasm_functype_as_externtype(
wasm_func_type(wasm_extern_as_func_const(external)));
case WASM_EXTERN_GLOBAL:
return wasm_globaltype_as_externtype(
wasm_global_type(wasm_extern_as_global_const(external)));
case WASM_EXTERN_MEMORY:
return wasm_memorytype_as_externtype(
wasm_memory_type(wasm_extern_as_memory_const(external)));
case WASM_EXTERN_TABLE:
return wasm_tabletype_as_externtype(
wasm_table_type(wasm_extern_as_table_const(external)));
default:
LOG_WARNING("%s meets unsupported kind: %d", __FUNCTION__,
external->kind);
break;
}
return NULL;
}
#define BASIC_FOUR_LIST(V) \
V(func) \
V(global) \
V(memory) \
V(table)
#define WASM_EXTERN_AS_OTHER(name) \
wasm_##name##_t *wasm_extern_as_##name(wasm_extern_t *external) \
{ \
return (wasm_##name##_t *)external; \
}
BASIC_FOUR_LIST(WASM_EXTERN_AS_OTHER)
#undef WASM_EXTERN_AS_OTHER
#define WASM_OTHER_AS_EXTERN(name) \
wasm_extern_t *wasm_##name##_as_extern(wasm_##name##_t *other) \
{ \
return (wasm_extern_t *)other; \
}
BASIC_FOUR_LIST(WASM_OTHER_AS_EXTERN)
#undef WASM_OTHER_AS_EXTERN
#define WASM_EXTERN_AS_OTHER_CONST(name) \
const wasm_##name##_t *wasm_extern_as_##name##_const( \
const wasm_extern_t *external) \
{ \
return (const wasm_##name##_t *)external; \
}
BASIC_FOUR_LIST(WASM_EXTERN_AS_OTHER_CONST)
#undef WASM_EXTERN_AS_OTHER_CONST
#define WASM_OTHER_AS_EXTERN_CONST(name) \
const wasm_extern_t *wasm_##name##_as_extern_const( \
const wasm_##name##_t *other) \
{ \
return (const wasm_extern_t *)other; \
}
BASIC_FOUR_LIST(WASM_OTHER_AS_EXTERN_CONST)
#undef WASM_OTHER_AS_EXTERN_CONST