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/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#ifndef _MODULE_WASM_APP_H_
#define _MODULE_WASM_APP_H_
#include "bh_queue.h"
#include "app_manager_export.h"
#include "wasm_export.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SECTION_TYPE_USER 0
#define SECTION_TYPE_TYPE 1
#define SECTION_TYPE_IMPORT 2
#define SECTION_TYPE_FUNC 3
#define SECTION_TYPE_TABLE 4
#define SECTION_TYPE_MEMORY 5
#define SECTION_TYPE_GLOBAL 6
#define SECTION_TYPE_EXPORT 7
#define SECTION_TYPE_START 8
#define SECTION_TYPE_ELEM 9
#define SECTION_TYPE_CODE 10
#define SECTION_TYPE_DATA 11
typedef enum AOTSectionType {
AOT_SECTION_TYPE_TARGET_INFO = 0,
AOT_SECTION_TYPE_INIT_DATA = 1,
AOT_SECTION_TYPE_TEXT = 2,
AOT_SECTION_TYPE_FUNCTION = 3,
AOT_SECTION_TYPE_EXPORT = 4,
AOT_SECTION_TYPE_RELOCATION = 5,
AOT_SECTION_TYPE_SIGANATURE = 6,
AOT_SECTION_TYPE_CUSTOM = 100,
} AOTSectionType;
enum {
WASM_Msg_Start = BASE_EVENT_MAX,
TIMER_EVENT_WASM,
SENSOR_EVENT_WASM,
CONNECTION_EVENT_WASM,
WIDGET_EVENT_WASM,
WASM_Msg_End = WASM_Msg_Start + 100
};
typedef struct wasm_data {
/* for easily access the containing wasm module */
wasm_module_t wasm_module;
wasm_module_inst_t wasm_module_inst;
/* Permissions of the WASM app */
char *perms;
/* thread list mapped with this WASM module */
korp_tid thread_id;
/* for easily access the containing module data */
module_data *m_data;
/* is bytecode or aot */
bool is_bytecode;
/* sections of wasm bytecode or aot file */
void *sections;
/* execution environment */
wasm_exec_env_t exec_env;
} wasm_data;
/* sensor event */
typedef struct _sensor_event_data {
uint32 sensor_id;
int data_fmt;
/* event of attribute container from context core */
void *data;
} sensor_event_data_t;
/* WASM Bytecode File */
typedef struct wasm_bytecode_file {
/* magics */
int magic;
/* current version */
int version;
/* WASM section list */
wasm_section_list_t sections;
/* Last WASM section in the list */
wasm_section_t *section_end;
} wasm_bytecode_file_t;
/* WASM AOT File */
typedef struct wasm_aot_file {
/* magics */
int magic;
/* current version */
int version;
/* AOT section list */
aot_section_list_t sections;
/* Last AOT section in the list */
aot_section_t *section_end;
} wasm_aot_file_t;
/* WASM App File */
typedef struct wasm_app_file_t {
union {
wasm_bytecode_file_t bytecode;
wasm_aot_file_t aot;
} u;
} wasm_app_file_t;
extern module_interface wasm_app_module_interface;
typedef void (*message_type_handler_t)(module_data *m_data, bh_message_t msg);
extern bool
wasm_register_msg_callback(int msg_type,
message_type_handler_t message_handler);
typedef void (*resource_cleanup_handler_t)(uint32 module_id);
extern bool
wasm_register_cleanup_callback(resource_cleanup_handler_t handler);
/**
* Set WASI root dir for modules. On each wasm app installation, a sub dir named
* with the app's name will be created autamically. That wasm app can only
* access this sub dir.
*
* @param root_dir the root dir to set
* @return true for success, false otherwise
*/
bool
wasm_set_wasi_root_dir(const char *root_dir);
/**
* Get WASI root dir
*
* @return the WASI root dir
*/
const char *
wasm_get_wasi_root_dir();
#ifdef __cplusplus
} /* end of extern "C" */
#endif
#endif /* _MODULE_WASM_APP_H_ */
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