1245 lines
41 KiB
C
1245 lines
41 KiB
C
/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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*/
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#ifndef _WASM_EXPORT_H
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#define _WASM_EXPORT_H
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#include <stdint.h>
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#include <stdbool.h>
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#include "lib_export.h"
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#ifndef WASM_RUNTIME_API_EXTERN
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#if defined(_MSC_BUILD)
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#if defined(COMPILING_WASM_RUNTIME_API)
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#define WASM_RUNTIME_API_EXTERN __declspec(dllexport)
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#else
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#define WASM_RUNTIME_API_EXTERN __declspec(dllimport)
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#endif
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#else
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#define WASM_RUNTIME_API_EXTERN
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* clang-format off */
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#define get_module_inst(exec_env) \
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wasm_runtime_get_module_inst(exec_env)
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#define validate_app_addr(offset, size) \
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wasm_runtime_validate_app_addr(module_inst, offset, size)
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#define validate_app_str_addr(offset) \
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wasm_runtime_validate_app_str_addr(module_inst, offset)
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#define addr_app_to_native(offset) \
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wasm_runtime_addr_app_to_native(module_inst, offset)
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#define addr_native_to_app(ptr) \
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wasm_runtime_addr_native_to_app(module_inst, ptr)
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#define module_malloc(size, p_native_addr) \
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wasm_runtime_module_malloc(module_inst, size, p_native_addr)
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#define module_free(offset) \
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wasm_runtime_module_free(module_inst, offset)
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#define native_raw_return_type(type, args) type *raw_ret = (type *)(args)
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#define native_raw_get_arg(type, name, args) type name = *((type *)(args++))
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#define native_raw_set_return(val) *raw_ret = (val)
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#ifndef WASM_MODULE_T_DEFINED
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#define WASM_MODULE_T_DEFINED
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/* Uninstantiated WASM module loaded from WASM binary file
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or AoT binary file*/
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struct WASMModuleCommon;
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typedef struct WASMModuleCommon *wasm_module_t;
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#endif
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/* Instantiated WASM module */
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struct WASMModuleInstanceCommon;
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typedef struct WASMModuleInstanceCommon *wasm_module_inst_t;
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/* Function instance */
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typedef void WASMFunctionInstanceCommon;
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typedef WASMFunctionInstanceCommon *wasm_function_inst_t;
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/* WASM section */
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typedef struct wasm_section_t {
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struct wasm_section_t *next;
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/* section type */
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int section_type;
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/* section body, not include type and size */
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uint8_t *section_body;
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/* section body size */
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uint32_t section_body_size;
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} wasm_section_t, aot_section_t, *wasm_section_list_t, *aot_section_list_t;
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/* Execution environment, e.g. stack info */
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struct WASMExecEnv;
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typedef struct WASMExecEnv *wasm_exec_env_t;
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/* Package Type */
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typedef enum {
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Wasm_Module_Bytecode = 0,
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Wasm_Module_AoT,
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Package_Type_Unknown = 0xFFFF
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} package_type_t;
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#ifndef MEM_ALLOC_OPTION_DEFINED
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#define MEM_ALLOC_OPTION_DEFINED
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/* Memory allocator type */
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typedef enum {
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/* pool mode, allocate memory from user defined heap buffer */
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Alloc_With_Pool = 0,
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/* user allocator mode, allocate memory from user defined
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malloc function */
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Alloc_With_Allocator,
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/* system allocator mode, allocate memory from system allocator,
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or, platform's os_malloc function */
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Alloc_With_System_Allocator,
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} mem_alloc_type_t;
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/* Memory allocator option */
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typedef union MemAllocOption {
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struct {
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void *heap_buf;
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uint32_t heap_size;
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} pool;
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struct {
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void *malloc_func;
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void *realloc_func;
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void *free_func;
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} allocator;
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} MemAllocOption;
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#endif
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/* Memory pool info */
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typedef struct mem_alloc_info_t {
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uint32_t total_size;
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uint32_t total_free_size;
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uint32_t highmark_size;
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} mem_alloc_info_t;
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/* WASM runtime initialize arguments */
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typedef struct RuntimeInitArgs {
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mem_alloc_type_t mem_alloc_type;
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MemAllocOption mem_alloc_option;
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const char *native_module_name;
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NativeSymbol *native_symbols;
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uint32_t n_native_symbols;
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/* maximum thread number, only used when
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WASM_ENABLE_THREAD_MGR is defined */
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uint32_t max_thread_num;
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/* Debug settings, only used when
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WASM_ENABLE_DEBUG_INTERP != 0 */
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char ip_addr[128];
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int unused; /* was platform_port */
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int instance_port;
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/* Fast JIT code cache size */
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uint32_t fast_jit_code_cache_size;
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} RuntimeInitArgs;
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#ifndef WASM_VALKIND_T_DEFINED
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#define WASM_VALKIND_T_DEFINED
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typedef uint8_t wasm_valkind_t;
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enum wasm_valkind_enum {
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WASM_I32,
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WASM_I64,
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WASM_F32,
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WASM_F64,
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WASM_ANYREF = 128,
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WASM_FUNCREF,
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};
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#endif
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#ifndef WASM_VAL_T_DEFINED
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#define WASM_VAL_T_DEFINED
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typedef struct wasm_val_t {
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wasm_valkind_t kind;
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union {
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/* also represent a function index */
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int32_t i32;
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int64_t i64;
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float f32;
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double f64;
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/* represent a foreign object, aka externref in .wat */
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uintptr_t foreign;
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} of;
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} wasm_val_t;
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#endif
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/**
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* Initialize the WASM runtime environment, and also initialize
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* the memory allocator with system allocator, which calls os_malloc
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* to allocate memory
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*
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* @return true if success, false otherwise
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*/
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_init(void);
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/**
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* Initialize the WASM runtime environment, and also initialize
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* the memory allocator and register native symbols, which are specified
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* with init arguments
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*
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* @param init_args specifies the init arguments
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*
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* @return return true if success, false otherwise
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*/
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_full_init(RuntimeInitArgs *init_args);
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/**
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* Destroy the WASM runtime environment.
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_destroy(void);
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/**
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* Allocate memory from runtime memory environment.
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*
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* @param size bytes need to allocate
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*
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* @return the pointer to memory allocated
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*/
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WASM_RUNTIME_API_EXTERN void *
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wasm_runtime_malloc(unsigned int size);
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/**
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* Reallocate memory from runtime memory environment
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*
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* @param ptr the original memory
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* @param size bytes need to reallocate
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*
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* @return the pointer to memory reallocated
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*/
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WASM_RUNTIME_API_EXTERN void *
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wasm_runtime_realloc(void *ptr, unsigned int size);
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/*
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* Free memory to runtime memory environment.
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_free(void *ptr);
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/*
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* Get memory info, only pool mode is supported now.
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*/
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_get_mem_alloc_info(mem_alloc_info_t *mem_alloc_info);
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/**
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* Get the package type of a buffer.
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*
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* @param buf the package buffer
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* @param size the package buffer size
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*
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* @return the package type, return Package_Type_Unknown if the type is unknown
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*/
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WASM_RUNTIME_API_EXTERN package_type_t
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get_package_type(const uint8_t *buf, uint32_t size);
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/**
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* Check whether a file is an AOT XIP (Execution In Place) file
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*
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* @param buf the package buffer
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* @param size the package buffer size
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*
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* @return true if success, false otherwise
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*/
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_is_xip_file(const uint8_t *buf, uint32_t size);
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/**
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* Callback to load a module file into a buffer in multi-module feature
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*/
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typedef bool (*module_reader)(const char *module_name,
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uint8_t **p_buffer, uint32_t *p_size);
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/**
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* Callback to release the buffer loaded by module_reader callback
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*/
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typedef void (*module_destroyer)(uint8_t *buffer, uint32_t size);
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/**
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* Setup callbacks for reading and releasing a buffer about a module file
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*
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* @param reader a callback to read a module file into a buffer
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* @param destroyer a callback to release above buffer
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_set_module_reader(const module_reader reader,
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const module_destroyer destroyer);
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/**
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* Give the "module" a name "module_name".
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* Can not assign a new name to a module if it already has a name
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*
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* @param module_name indicate a name
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* @param module the target module
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* @param error_buf output of the exception info
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* @param error_buf_size the size of the exception string
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*
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* @return true means success, false means failed
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*/
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_register_module(const char *module_name, wasm_module_t module,
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char *error_buf, uint32_t error_buf_size);
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/**
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* Check if there is already a loaded module named module_name in the
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* runtime. Repeately loading a module with the same name is not allowed.
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*
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* @param module_name indicate a name
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*
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* @return return WASM module loaded, NULL if failed
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*/
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WASM_RUNTIME_API_EXTERN wasm_module_t
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wasm_runtime_find_module_registered(const char *module_name);
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/**
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* Load a WASM module from a specified byte buffer. The byte buffer can be
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* WASM binary data when interpreter or JIT is enabled, or AOT binary data
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* when AOT is enabled. If it is AOT binary data, it must be 4-byte aligned.
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*
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* Note: In case of AOT XIP modules, the runtime doesn't make modifications
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* to the buffer. (Except the "Known issues" mentioned in doc/xip.md.)
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* Otherwise, the runtime can make modifications to the buffer for its
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* internal purposes. Thus, in general, it isn't safe to create multiple
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* modules from a single buffer.
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*
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* @param buf the byte buffer which contains the WASM/AOT binary data,
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* note that the byte buffer must be writable since runtime may
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* change its content for footprint and performance purpose, and
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* it must be referencable until wasm_runtime_unload is called
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* @param size the size of the buffer
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* @param error_buf output of the exception info
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* @param error_buf_size the size of the exception string
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*
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* @return return WASM module loaded, NULL if failed
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*/
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WASM_RUNTIME_API_EXTERN wasm_module_t
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wasm_runtime_load(uint8_t *buf, uint32_t size,
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char *error_buf, uint32_t error_buf_size);
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/**
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* Load a WASM module from a specified WASM or AOT section list.
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*
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* @param section_list the section list which contains each section data
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* @param is_aot whether the section list is AOT section list
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* @param error_buf output of the exception info
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* @param error_buf_size the size of the exception string
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*
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* @return return WASM module loaded, NULL if failed
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*/
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WASM_RUNTIME_API_EXTERN wasm_module_t
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wasm_runtime_load_from_sections(wasm_section_list_t section_list, bool is_aot,
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char *error_buf, uint32_t error_buf_size);
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/**
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* Unload a WASM module.
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*
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* @param module the module to be unloaded
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_unload(wasm_module_t module);
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/**
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* Set WASI parameters.
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*
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* While this API operates on a module, these parameters will be used
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* only when the module is instantiated. That is, you can consider these
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* as extra parameters for wasm_runtime_instantiate().
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*
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* @param module The module to set WASI parameters.
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* @param dir_list The list of directories to preopen. (real path)
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* @param dir_count The number of elements in dir_list.
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* @param map_dir_list The list of directories to preopen. (mapped path)
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* @param map_dir_count The number of elements in map_dir_list.
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* If map_dir_count is smaller than dir_count,
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* mapped path is assumed to be same as the
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* corresponding real path for the rest of entries.
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* @param env The list of environment variables.
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* @param env_count The number of elements in env.
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* @param argv The list of command line arguments.
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* @param argc The number of elements in argv.
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* @param stdinfd The host file descriptor to back WASI STDIN_FILENO.
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* If -1 is specified, STDIN_FILENO is used.
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* @param stdoutfd The host file descriptor to back WASI STDOUT_FILENO.
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* If -1 is specified, STDOUT_FILENO is used.
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* @param stderrfd The host file descriptor to back WASI STDERR_FILENO.
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* If -1 is specified, STDERR_FILENO is used.
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_set_wasi_args_ex(wasm_module_t module,
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const char *dir_list[], uint32_t dir_count,
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const char *map_dir_list[], uint32_t map_dir_count,
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const char *env[], uint32_t env_count,
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char *argv[], int argc,
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int stdinfd, int stdoutfd, int stderrfd);
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/**
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* Set WASI parameters.
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*
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* Same as wasm_runtime_set_wasi_args_ex with stdinfd = -1, stdoutfd = -1,
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* stderrfd = -1.
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_set_wasi_args(wasm_module_t module,
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const char *dir_list[], uint32_t dir_count,
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const char *map_dir_list[], uint32_t map_dir_count,
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const char *env[], uint32_t env_count,
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char *argv[], int argc);
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_set_wasi_addr_pool(wasm_module_t module, const char *addr_pool[],
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uint32_t addr_pool_size);
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_set_wasi_ns_lookup_pool(wasm_module_t module, const char *ns_lookup_pool[],
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uint32_t ns_lookup_pool_size);
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/**
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* Instantiate a WASM module.
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*
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* @param module the WASM module to instantiate
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* @param stack_size the default stack size of the module instance when the
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* exec env's operation stack isn't created by user, e.g. API
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* wasm_application_execute_main() and wasm_application_execute_func()
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* create the operation stack internally with the stack size specified
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* here. And API wasm_runtime_create_exec_env() creates the operation
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* stack with stack size specified by its parameter, the stack size
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* specified here is ignored.
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* @param heap_size the default heap size of the module instance, a heap will
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* be created besides the app memory space. Both wasm app and native
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* function can allocate memory from the heap.
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* @param error_buf buffer to output the error info if failed
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* @param error_buf_size the size of the error buffer
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*
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* @return return the instantiated WASM module instance, NULL if failed
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*/
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WASM_RUNTIME_API_EXTERN wasm_module_inst_t
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wasm_runtime_instantiate(const wasm_module_t module,
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uint32_t stack_size, uint32_t heap_size,
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char *error_buf, uint32_t error_buf_size);
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/**
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* Deinstantiate a WASM module instance, destroy the resources.
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*
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* @param module_inst the WASM module instance to destroy
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*/
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WASM_RUNTIME_API_EXTERN void
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wasm_runtime_deinstantiate(wasm_module_inst_t module_inst);
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WASM_RUNTIME_API_EXTERN bool
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wasm_runtime_is_wasi_mode(wasm_module_inst_t module_inst);
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WASM_RUNTIME_API_EXTERN wasm_function_inst_t
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wasm_runtime_lookup_wasi_start_function(wasm_module_inst_t module_inst);
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/**
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* Get WASI exit code.
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*
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* After a WASI command completed its execution, an embedder can
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* call this function to get its exit code. (that is, the value given
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* to proc_exit.)
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*
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* @param module_inst the module instance
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*/
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WASM_RUNTIME_API_EXTERN uint32_t
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wasm_runtime_get_wasi_exit_code(wasm_module_inst_t module_inst);
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/**
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* Lookup an exported function in the WASM module instance.
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*
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* @param module_inst the module instance
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* @param name the name of the function
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* @param signature the signature of the function, ignored currently
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*
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* @return the function instance found, NULL if not found
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*/
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WASM_RUNTIME_API_EXTERN wasm_function_inst_t
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wasm_runtime_lookup_function(wasm_module_inst_t const module_inst,
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const char *name, const char *signature);
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/**
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* Get parameter count of the function instance
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*
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* @param func_inst the function instance
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* @param module_inst the module instance the function instance belongs to
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*
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* @return the parameter count of the function instance
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*/
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WASM_RUNTIME_API_EXTERN uint32_t
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wasm_func_get_param_count(wasm_function_inst_t const func_inst,
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wasm_module_inst_t const module_inst);
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/**
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* Get result count of the function instance
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*
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* @param func_inst the function instance
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* @param module_inst the module instance the function instance belongs to
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*
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* @return the result count of the function instance
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*/
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WASM_RUNTIME_API_EXTERN uint32_t
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wasm_func_get_result_count(wasm_function_inst_t const func_inst,
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wasm_module_inst_t const module_inst);
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|
|
|
/**
|
|
* Get parameter types of the function instance
|
|
*
|
|
* @param func_inst the function instance
|
|
* @param module_inst the module instance the function instance belongs to
|
|
* @param param_types the parameter types returned
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_func_get_param_types(wasm_function_inst_t const func_inst,
|
|
wasm_module_inst_t const module_inst,
|
|
wasm_valkind_t *param_types);
|
|
|
|
/**
|
|
* Get result types of the function instance
|
|
*
|
|
* @param func_inst the function instance
|
|
* @param module_inst the module instance the function instance belongs to
|
|
* @param result_types the result types returned
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_func_get_result_types(wasm_function_inst_t const func_inst,
|
|
wasm_module_inst_t const module_inst,
|
|
wasm_valkind_t *result_types);
|
|
|
|
/**
|
|
* Create execution environment for a WASM module instance.
|
|
*
|
|
* @param module_inst the module instance
|
|
* @param stack_size the stack size to execute a WASM function
|
|
*
|
|
* @return the execution environment, NULL if failed, e.g. invalid
|
|
* stack size is passed
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN wasm_exec_env_t
|
|
wasm_runtime_create_exec_env(wasm_module_inst_t module_inst,
|
|
uint32_t stack_size);
|
|
|
|
/**
|
|
* Destroy the execution environment.
|
|
*
|
|
* @param exec_env the execution environment to destroy
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_destroy_exec_env(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Get the singleton execution environment for the instance.
|
|
*
|
|
* Note: The singleton execution environment is the execution
|
|
* environment used internally by the runtime for the API functions
|
|
* like wasm_application_execute_main, which don't take explicit
|
|
* execution environment. It's associated to the corresponding
|
|
* module instance and managed by the runtime. The API user should
|
|
* not destroy it with wasm_runtime_destroy_exec_env.
|
|
*
|
|
* @param module_inst the module instance
|
|
*
|
|
* @return exec_env the execution environment to destroy
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN wasm_exec_env_t
|
|
wasm_runtime_get_exec_env_singleton(wasm_module_inst_t module_inst);
|
|
|
|
/**
|
|
* Start debug instance based on given execution environment.
|
|
* Note:
|
|
* The debug instance will be destroyed during destroying the
|
|
* execution environment, developers don't need to destroy it
|
|
* manually.
|
|
* If the cluster of this execution environment has already
|
|
* been bound to a debug instance, this function will return true
|
|
* directly.
|
|
* If developer spawns some exec_env by wasm_runtime_spawn_exec_env,
|
|
* don't need to call this function for every spawned exec_env as
|
|
* they are sharing the same cluster with the main exec_env.
|
|
*
|
|
* @param exec_env the execution environment to start debug instance
|
|
* @param port the port for the debug server to listen on.
|
|
* 0 means automatic assignment.
|
|
* -1 means to use the global setting in RuntimeInitArgs.
|
|
*
|
|
* @return debug port if success, 0 otherwise.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_start_debug_instance_with_port(wasm_exec_env_t exec_env, int32_t port);
|
|
|
|
/**
|
|
* Same as wasm_runtime_start_debug_instance_with_port(env, -1).
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_start_debug_instance(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Initialize the thread environment.
|
|
* Note:
|
|
* If developer creates a child thread by himself to call the
|
|
* the wasm function in that thread, he should call this API
|
|
* firstly before calling the wasm function and then call
|
|
* wasm_runtime_destroy_thread_env() after calling the wasm
|
|
* function. If the thread is created from the runtime API,
|
|
* it is unnecessary to call these two APIs.
|
|
*
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_init_thread_env(void);
|
|
|
|
/**
|
|
* Destroy the thread environment
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_destroy_thread_env(void);
|
|
|
|
/**
|
|
* Whether the thread environment is initialized
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_thread_env_inited(void);
|
|
|
|
/**
|
|
* Get WASM module instance from execution environment
|
|
*
|
|
* @param exec_env the execution environment to retrieve
|
|
*
|
|
* @return the WASM module instance
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN wasm_module_inst_t
|
|
wasm_runtime_get_module_inst(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Set WASM module instance of execution environment
|
|
* Caution:
|
|
* normally the module instance is bound with the execution
|
|
* environment one by one, if multiple module instances want
|
|
* to share to the same execution environment, developer should
|
|
* be responsible for the backup and restore of module instance
|
|
*
|
|
* @param exec_env the execution environment
|
|
* @param module_inst the WASM module instance to set
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_set_module_inst(wasm_exec_env_t exec_env,
|
|
const wasm_module_inst_t module_inst);
|
|
|
|
/**
|
|
* Call the given WASM function of a WASM module instance with
|
|
* arguments (bytecode and AoT).
|
|
*
|
|
* @param exec_env the execution environment to call the function,
|
|
* which must be created from wasm_create_exec_env()
|
|
* @param function the function to call
|
|
* @param argc total cell number that the function parameters occupy,
|
|
* a cell is a slot of the uint32 array argv[], e.g. i32/f32 argument
|
|
* occupies one cell, i64/f64 argument occupies two cells, note that
|
|
* it might be different from the parameter number of the function
|
|
* @param argv the arguments. If the function has return value,
|
|
* the first (or first two in case 64-bit return value) element of
|
|
* argv stores the return value of the called WASM function after this
|
|
* function returns.
|
|
*
|
|
* @return true if success, false otherwise and exception will be thrown,
|
|
* the caller can call wasm_runtime_get_exception to get the exception
|
|
* info.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_call_wasm(wasm_exec_env_t exec_env,
|
|
wasm_function_inst_t function,
|
|
uint32_t argc, uint32_t argv[]);
|
|
|
|
/**
|
|
* Call the given WASM function of a WASM module instance with
|
|
* provided results space and arguments (bytecode and AoT).
|
|
*
|
|
* @param exec_env the execution environment to call the function,
|
|
* which must be created from wasm_create_exec_env()
|
|
* @param function the function to call
|
|
* @param num_results the number of results
|
|
* @param results the pre-alloced pointer to get the results
|
|
* @param num_args the number of arguments
|
|
* @param args the arguments
|
|
*
|
|
* @return true if success, false otherwise and exception will be thrown,
|
|
* the caller can call wasm_runtime_get_exception to get the exception
|
|
* info.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_call_wasm_a(wasm_exec_env_t exec_env,
|
|
wasm_function_inst_t function,
|
|
uint32_t num_results, wasm_val_t results[],
|
|
uint32_t num_args, wasm_val_t *args);
|
|
|
|
/**
|
|
* Call the given WASM function of a WASM module instance with
|
|
* provided results space and variant arguments (bytecode and AoT).
|
|
*
|
|
* @param exec_env the execution environment to call the function,
|
|
* which must be created from wasm_create_exec_env()
|
|
* @param function the function to call
|
|
* @param num_results the number of results
|
|
* @param results the pre-alloced pointer to get the results
|
|
* @param num_args the number of arguments
|
|
* @param ... the variant arguments
|
|
*
|
|
* @return true if success, false otherwise and exception will be thrown,
|
|
* the caller can call wasm_runtime_get_exception to get the exception
|
|
* info.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_call_wasm_v(wasm_exec_env_t exec_env,
|
|
wasm_function_inst_t function,
|
|
uint32_t num_results, wasm_val_t results[],
|
|
uint32_t num_args, ...);
|
|
|
|
/**
|
|
* Find the unique main function from a WASM module instance
|
|
* and execute that function.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param argc the number of arguments
|
|
* @param argv the arguments array, if the main function has return value,
|
|
* *(int*)argv stores the return value of the called main function after
|
|
* this function returns.
|
|
*
|
|
* @return true if the main function is called, false otherwise and exception
|
|
* will be thrown, the caller can call wasm_runtime_get_exception to get
|
|
* the exception info.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_application_execute_main(wasm_module_inst_t module_inst,
|
|
int32_t argc, char *argv[]);
|
|
|
|
/**
|
|
* Find the specified function in argv[0] from a WASM module instance
|
|
* and execute that function.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param name the name of the function to execute.
|
|
* to indicate the module name via: $module_name$function_name
|
|
* or just a function name: function_name
|
|
* @param argc the number of arguments
|
|
* @param argv the arguments array
|
|
*
|
|
* @return true if the specified function is called, false otherwise and
|
|
* exception will be thrown, the caller can call wasm_runtime_get_exception
|
|
* to get the exception info.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_application_execute_func(wasm_module_inst_t module_inst,
|
|
const char *name, int32_t argc, char *argv[]);
|
|
/**
|
|
* Get exception info of the WASM module instance.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
*
|
|
* @return the exception string
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN const char *
|
|
wasm_runtime_get_exception(wasm_module_inst_t module_inst);
|
|
|
|
/**
|
|
* Set exception info of the WASM module instance.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
*
|
|
* @param exception the exception string
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_set_exception(wasm_module_inst_t module_inst,
|
|
const char *exception);
|
|
|
|
/**
|
|
* Clear exception info of the WASM module instance.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_clear_exception(wasm_module_inst_t module_inst);
|
|
|
|
/**
|
|
* Set custom data to WASM module instance.
|
|
* Note:
|
|
* If WAMR_BUILD_LIB_PTHREAD is enabled, this API
|
|
* will spread the custom data to all threads
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param custom_data the custom data to be set
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_set_custom_data(wasm_module_inst_t module_inst,
|
|
void *custom_data);
|
|
/**
|
|
* Get the custom data within a WASM module instance.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
*
|
|
* @return the custom data (NULL if not set yet)
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void *
|
|
wasm_runtime_get_custom_data(wasm_module_inst_t module_inst);
|
|
|
|
/**
|
|
* Allocate memory from the heap of WASM module instance
|
|
*
|
|
* Note: wasm_runtime_module_malloc can call heap functions inside
|
|
* the module instance and thus cause a memory growth.
|
|
* This API needs to be used very carefully when you have a native
|
|
* pointers to the module instance memory obtained with
|
|
* wasm_runtime_addr_app_to_native or similar APIs.
|
|
*
|
|
* @param module_inst the WASM module instance which contains heap
|
|
* @param size the size bytes to allocate
|
|
* @param p_native_addr return native address of the allocated memory
|
|
* if it is not NULL, and return NULL if memory malloc failed
|
|
*
|
|
* @return the allocated memory address, which is a relative offset to the
|
|
* base address of the module instance's memory space. Note that
|
|
* it is not an absolute address.
|
|
* Return non-zero if success, zero if failed.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_module_malloc(wasm_module_inst_t module_inst, uint32_t size,
|
|
void **p_native_addr);
|
|
|
|
/**
|
|
* Free memory to the heap of WASM module instance
|
|
*
|
|
* @param module_inst the WASM module instance which contains heap
|
|
* @param ptr the pointer to free
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_module_free(wasm_module_inst_t module_inst, uint32_t ptr);
|
|
|
|
/**
|
|
* Allocate memory from the heap of WASM module instance and initialize
|
|
* the memory with src
|
|
*
|
|
* @param module_inst the WASM module instance which contains heap
|
|
* @param src the source data to copy
|
|
* @param size the size of the source data
|
|
*
|
|
* @return the allocated memory address, which is a relative offset to the
|
|
* base address of the module instance's memory space. Note that
|
|
* it is not an absolute address.
|
|
* Return non-zero if success, zero if failed.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_module_dup_data(wasm_module_inst_t module_inst,
|
|
const char *src, uint32_t size);
|
|
|
|
/**
|
|
* Validate the app address, check whether it belongs to WASM module
|
|
* instance's address space, or in its heap space or memory space.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param app_offset the app address to validate, which is a relative address
|
|
* @param size the size bytes of the app address
|
|
*
|
|
* @return true if success, false otherwise. If failed, an exception will
|
|
* be thrown.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_validate_app_addr(wasm_module_inst_t module_inst,
|
|
uint32_t app_offset, uint32_t size);
|
|
|
|
/**
|
|
* Similar to wasm_runtime_validate_app_addr(), except that the size parameter
|
|
* is not provided. This function validates the app string address, check
|
|
* whether it belongs to WASM module instance's address space, or in its heap
|
|
* space or memory space. Moreover, it checks whether it is the offset of a
|
|
* string that is end with '\0'.
|
|
*
|
|
* Note: The validation result, especially the NUL termination check,
|
|
* is not reliable for a module instance with multiple threads because
|
|
* other threads can modify the heap behind us.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param app_str_offset the app address of the string to validate, which is a
|
|
* relative address
|
|
*
|
|
* @return true if success, false otherwise. If failed, an exception will
|
|
* be thrown.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_validate_app_str_addr(wasm_module_inst_t module_inst,
|
|
uint32_t app_str_offset);
|
|
|
|
/**
|
|
* Validate the native address, check whether it belongs to WASM module
|
|
* instance's address space, or in its heap space or memory space.
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param native_ptr the native address to validate, which is an absolute
|
|
* address
|
|
* @param size the size bytes of the app address
|
|
*
|
|
* @return true if success, false otherwise. If failed, an exception will
|
|
* be thrown.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_validate_native_addr(wasm_module_inst_t module_inst,
|
|
void *native_ptr, uint32_t size);
|
|
|
|
/**
|
|
* Convert app address(relative address) to native address(absolute address)
|
|
*
|
|
* Note that native addresses to module instance memory can be invalidated
|
|
* on a memory growth. (Except shared memory, whose native addresses are
|
|
* stable.)
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param app_offset the app adress
|
|
*
|
|
* @return the native address converted
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void *
|
|
wasm_runtime_addr_app_to_native(wasm_module_inst_t module_inst,
|
|
uint32_t app_offset);
|
|
|
|
/**
|
|
* Convert native address(absolute address) to app address(relative address)
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param native_ptr the native address
|
|
*
|
|
* @return the app address converted
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_addr_native_to_app(wasm_module_inst_t module_inst,
|
|
void *native_ptr);
|
|
|
|
/**
|
|
* Get the app address range (relative address) that a app address belongs to
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param app_offset the app address to retrieve
|
|
* @param p_app_start_offset buffer to output the app start offset if not NULL
|
|
* @param p_app_end_offset buffer to output the app end offset if not NULL
|
|
*
|
|
* @return true if success, false otherwise.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_get_app_addr_range(wasm_module_inst_t module_inst,
|
|
uint32_t app_offset,
|
|
uint32_t *p_app_start_offset,
|
|
uint32_t *p_app_end_offset);
|
|
|
|
/**
|
|
* Get the native address range (absolute address) that a native address
|
|
* belongs to
|
|
*
|
|
* @param module_inst the WASM module instance
|
|
* @param native_ptr the native address to retrieve
|
|
* @param p_native_start_addr buffer to output the native start address
|
|
* if not NULL
|
|
* @param p_native_end_addr buffer to output the native end address
|
|
* if not NULL
|
|
*
|
|
* @return true if success, false otherwise.
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_get_native_addr_range(wasm_module_inst_t module_inst,
|
|
uint8_t *native_ptr,
|
|
uint8_t **p_native_start_addr,
|
|
uint8_t **p_native_end_addr);
|
|
|
|
/**
|
|
* Register native functions with same module name
|
|
*
|
|
* Note: The array `native_symbols` should not be read-only because the
|
|
* library can modify it in-place.
|
|
*
|
|
* Note: After successful call of this function, the array `native_symbols`
|
|
* is owned by the library.
|
|
*
|
|
* @param module_name the module name of the native functions
|
|
* @param native_symbols specifies an array of NativeSymbol structures which
|
|
* contain the names, function pointers and signatures
|
|
* Note: WASM runtime will not allocate memory to clone the data, so
|
|
* user must ensure the array can be used forever
|
|
* Meanings of letters in function signature:
|
|
* 'i': the parameter is i32 type
|
|
* 'I': the parameter is i64 type
|
|
* 'f': the parameter is f32 type
|
|
* 'F': the parameter is f64 type
|
|
* 'r': the parameter is externref type, it should be a uintptr_t in host
|
|
* '*': the parameter is a pointer (i32 in WASM), and runtime will
|
|
* auto check its boundary before calling the native function.
|
|
* If it is followed by '~', the checked length of the pointer
|
|
* is gotten from the following parameter, if not, the checked
|
|
* length of the pointer is 1.
|
|
* '~': the parameter is the pointer's length with i32 type, and must
|
|
* follow after '*'
|
|
* '$': the parameter is a string (i32 in WASM), and runtime will
|
|
* auto check its boundary before calling the native function
|
|
* @param n_native_symbols specifies the number of native symbols in the array
|
|
*
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_register_natives(const char *module_name,
|
|
NativeSymbol *native_symbols,
|
|
uint32_t n_native_symbols);
|
|
|
|
/**
|
|
* Register native functions with same module name, similar to
|
|
* wasm_runtime_register_natives, the difference is that runtime passes raw
|
|
* arguments to native API, which means that the native API should be defined as
|
|
* void foo(wasm_exec_env_t exec_env, uint64 *args);
|
|
* and native API should extract arguments one by one from args array with macro
|
|
* native_raw_get_arg
|
|
* and write the return value back to args[0] with macro
|
|
* native_raw_return_type and native_raw_set_return
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_register_natives_raw(const char *module_name,
|
|
NativeSymbol *native_symbols,
|
|
uint32_t n_native_symbols);
|
|
|
|
|
|
/**
|
|
* Undo wasm_runtime_register_natives or wasm_runtime_register_natives_raw
|
|
*
|
|
* @param module_name Should be the same as the corresponding
|
|
* wasm_runtime_register_natives.
|
|
* (Same in term of strcmp.)
|
|
*
|
|
* @param native_symbols Should be the same as the corresponding
|
|
* wasm_runtime_register_natives.
|
|
* (Same in term of pointer comparison.)
|
|
*
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_runtime_unregister_natives(const char *module_name,
|
|
NativeSymbol *native_symbols);
|
|
|
|
/**
|
|
* Get attachment of native function from execution environment
|
|
*
|
|
* @param exec_env the execution environment to retrieve
|
|
*
|
|
* @return the attachment of native function
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void *
|
|
wasm_runtime_get_function_attachment(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Set user data to execution environment.
|
|
*
|
|
* @param exec_env the execution environment
|
|
* @param user_data the user data to be set
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_set_user_data(wasm_exec_env_t exec_env, void *user_data);
|
|
|
|
/**
|
|
* Get the user data within execution environment.
|
|
*
|
|
* @param exec_env the execution environment
|
|
*
|
|
* @return the user data (NULL if not set yet)
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void *
|
|
wasm_runtime_get_user_data(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Dump runtime memory consumption, including:
|
|
* Exec env memory consumption
|
|
* WASM module memory consumption
|
|
* WASM module instance memory consumption
|
|
* stack and app heap used info
|
|
*
|
|
* @param exec_env the execution environment
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_dump_mem_consumption(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Dump runtime performance profiler data of each function
|
|
*
|
|
* @param module_inst the WASM module instance to profile
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_dump_perf_profiling(wasm_module_inst_t module_inst);
|
|
|
|
/* wasm thread callback function type */
|
|
typedef void *(*wasm_thread_callback_t)(wasm_exec_env_t, void *);
|
|
/* wasm thread type */
|
|
typedef uintptr_t wasm_thread_t;
|
|
|
|
/**
|
|
* Set the max thread num per cluster.
|
|
*
|
|
* @param num maximum thread num
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_set_max_thread_num(uint32_t num);
|
|
|
|
/**
|
|
* Spawn a new exec_env, the spawned exec_env
|
|
* can be used in other threads
|
|
*
|
|
* @param num the original exec_env
|
|
*
|
|
* @return the spawned exec_env if success, NULL otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN wasm_exec_env_t
|
|
wasm_runtime_spawn_exec_env(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Destroy the spawned exec_env
|
|
*
|
|
* @param exec_env the spawned exec_env
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_destroy_spawned_exec_env(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Spawn a thread from the given exec_env
|
|
*
|
|
* @param exec_env the original exec_env
|
|
* @param tid thread id to be returned to the caller
|
|
* @param callback the callback function provided by the user
|
|
* @param arg the arguments passed to the callback
|
|
*
|
|
* @return 0 if success, -1 otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN int32_t
|
|
wasm_runtime_spawn_thread(wasm_exec_env_t exec_env, wasm_thread_t *tid,
|
|
wasm_thread_callback_t callback, void *arg);
|
|
|
|
/**
|
|
* Wait a spawned thread to terminate
|
|
*
|
|
* @param tid thread id
|
|
* @param retval if not NULL, output the return value of the thread
|
|
*
|
|
* @return 0 if success, error number otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN int32_t
|
|
wasm_runtime_join_thread(wasm_thread_t tid, void **retval);
|
|
|
|
/**
|
|
* Map external object to an internal externref index: if the index
|
|
* has been created, return it, otherwise create the index.
|
|
*
|
|
* @param module_inst the WASM module instance that the extern object
|
|
* belongs to
|
|
* @param extern_obj the external object to be mapped
|
|
* @param p_externref_idx return externref index of the external object
|
|
*
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_externref_obj2ref(wasm_module_inst_t module_inst,
|
|
void *extern_obj, uint32_t *p_externref_idx);
|
|
|
|
/**
|
|
* Retrieve the external object from an internal externref index
|
|
*
|
|
* @param externref_idx the externref index to retrieve
|
|
* @param p_extern_obj return the mapped external object of
|
|
* the externref index
|
|
*
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_externref_ref2obj(uint32_t externref_idx, void **p_extern_obj);
|
|
|
|
/**
|
|
* Retain an extern object which is mapped to the internal externref
|
|
* so that the object won't be cleaned during extern object reclaim
|
|
* if it isn't used.
|
|
*
|
|
* @param externref_idx the externref index of an external object
|
|
* to retain
|
|
* @return true if success, false otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN bool
|
|
wasm_externref_retain(uint32_t externref_idx);
|
|
|
|
/**
|
|
* Dump the call stack to stdout
|
|
*
|
|
* @param exec_env the execution environment
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_dump_call_stack(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Get the size required to store the call stack contents, including
|
|
* the space for terminating null byte ('\0')
|
|
*
|
|
* @param exec_env the execution environment
|
|
*
|
|
* @return size required to store the contents, 0 means error
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_get_call_stack_buf_size(wasm_exec_env_t exec_env);
|
|
|
|
/**
|
|
* Dump the call stack to buffer.
|
|
*
|
|
* @note this function is not thread-safe, please only use this API
|
|
* when the exec_env is not executing
|
|
*
|
|
* @param exec_env the execution environment
|
|
* @param buf buffer to store the dumped content
|
|
* @param len length of the buffer
|
|
*
|
|
* @return bytes dumped to the buffer, including the terminating null
|
|
* byte ('\0'), 0 means error and data in buf may be invalid
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN uint32_t
|
|
wasm_runtime_dump_call_stack_to_buf(wasm_exec_env_t exec_env, char *buf,
|
|
uint32_t len);
|
|
|
|
/**
|
|
* Get a custom section by name
|
|
*
|
|
* @param module_comm the module to find
|
|
* @param name name of the custom section
|
|
* @param len return the length of the content if found
|
|
*
|
|
* @return Custom section content (not including the name length
|
|
* and name string) if found, NULL otherwise
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN const uint8_t *
|
|
wasm_runtime_get_custom_section(wasm_module_t const module_comm,
|
|
const char *name, uint32_t *len);
|
|
|
|
|
|
/**
|
|
* Get WAMR semantic version
|
|
*/
|
|
WASM_RUNTIME_API_EXTERN void
|
|
wasm_runtime_get_version(uint32_t *major, uint32_t *minor, uint32_t *patch);
|
|
/* clang-format on */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* end of _WASM_EXPORT_H */
|