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Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/include/wasm_export.h')
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diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/include/wasm_export.h b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/include/wasm_export.h new file mode 100644 index 000000000..f6c0107b9 --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/core/iwasm/include/wasm_export.h @@ -0,0 +1,1374 @@ +/* + * Copyright (C) 2019 Intel Corporation. All rights reserved. + * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception + */ + +#ifndef _WASM_EXPORT_H +#define _WASM_EXPORT_H + +#include <stdint.h> +#include <stdbool.h> +#include "lib_export.h" + +#ifndef WASM_RUNTIME_API_EXTERN +#if defined(_MSC_BUILD) +#if defined(COMPILING_WASM_RUNTIME_API) +#define WASM_RUNTIME_API_EXTERN __declspec(dllexport) +#else +#define WASM_RUNTIME_API_EXTERN __declspec(dllimport) +#endif +#else +#define WASM_RUNTIME_API_EXTERN +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +/* clang-format off */ + +#define get_module_inst(exec_env) \ + wasm_runtime_get_module_inst(exec_env) + +#define validate_app_addr(offset, size) \ + wasm_runtime_validate_app_addr(module_inst, offset, size) + +#define validate_app_str_addr(offset) \ + wasm_runtime_validate_app_str_addr(module_inst, offset) + +#define addr_app_to_native(offset) \ + wasm_runtime_addr_app_to_native(module_inst, offset) + +#define addr_native_to_app(ptr) \ + wasm_runtime_addr_native_to_app(module_inst, ptr) + +#define module_malloc(size, p_native_addr) \ + wasm_runtime_module_malloc(module_inst, size, p_native_addr) + +#define module_free(offset) \ + wasm_runtime_module_free(module_inst, offset) + +#define native_raw_return_type(type, args) type *raw_ret = (type *)(args) + +#define native_raw_get_arg(type, name, args) type name = *((type *)(args++)) + +#define native_raw_set_return(val) *raw_ret = (val) + +#ifndef WASM_MODULE_T_DEFINED +#define WASM_MODULE_T_DEFINED +/* Uninstantiated WASM module loaded from WASM binary file + or AoT binary file*/ +struct WASMModuleCommon; +typedef struct WASMModuleCommon *wasm_module_t; +#endif + +/* Instantiated WASM module */ +struct WASMModuleInstanceCommon; +typedef struct WASMModuleInstanceCommon *wasm_module_inst_t; + +/* Function instance */ +typedef void WASMFunctionInstanceCommon; +typedef WASMFunctionInstanceCommon *wasm_function_inst_t; + +/* WASM section */ +typedef struct wasm_section_t { + struct wasm_section_t *next; + /* section type */ + int section_type; + /* section body, not include type and size */ + uint8_t *section_body; + /* section body size */ + uint32_t section_body_size; +} wasm_section_t, aot_section_t, *wasm_section_list_t, *aot_section_list_t; + +/* Execution environment, e.g. stack info */ +struct WASMExecEnv; +typedef struct WASMExecEnv *wasm_exec_env_t; + +/* Package Type */ +typedef enum { + Wasm_Module_Bytecode = 0, + Wasm_Module_AoT, + Package_Type_Unknown = 0xFFFF +} package_type_t; + +#ifndef MEM_ALLOC_OPTION_DEFINED +#define MEM_ALLOC_OPTION_DEFINED +/* Memory allocator type */ +typedef enum { + /* pool mode, allocate memory from user defined heap buffer */ + Alloc_With_Pool = 0, + /* user allocator mode, allocate memory from user defined + malloc function */ + Alloc_With_Allocator, + /* system allocator mode, allocate memory from system allocator, + or, platform's os_malloc function */ + Alloc_With_System_Allocator, +} mem_alloc_type_t; + +/* Memory allocator option */ +typedef union MemAllocOption { + struct { + void *heap_buf; + uint32_t heap_size; + } pool; + struct { + void *malloc_func; + void *realloc_func; + void *free_func; + /* allocator user data, only used when + WASM_MEM_ALLOC_WITH_USER_DATA is defined */ + void *user_data; + } allocator; +} MemAllocOption; +#endif + +/* Memory pool info */ +typedef struct mem_alloc_info_t { + uint32_t total_size; + uint32_t total_free_size; + uint32_t highmark_size; +} mem_alloc_info_t; + +/* Running mode of runtime and module instance*/ +typedef enum RunningMode { + Mode_Interp = 1, + Mode_Fast_JIT, + Mode_LLVM_JIT, + Mode_Multi_Tier_JIT, +} RunningMode; + +/* WASM runtime initialize arguments */ +typedef struct RuntimeInitArgs { + mem_alloc_type_t mem_alloc_type; + MemAllocOption mem_alloc_option; + + const char *native_module_name; + NativeSymbol *native_symbols; + uint32_t n_native_symbols; + + /* maximum thread number, only used when + WASM_ENABLE_THREAD_MGR is defined */ + uint32_t max_thread_num; + + /* Debug settings, only used when + WASM_ENABLE_DEBUG_INTERP != 0 */ + char ip_addr[128]; + int unused; /* was platform_port */ + int instance_port; + + /* Fast JIT code cache size */ + uint32_t fast_jit_code_cache_size; + + /* Default running mode of the runtime */ + RunningMode running_mode; + + /* LLVM JIT opt and size level */ + uint32_t llvm_jit_opt_level; + uint32_t llvm_jit_size_level; +} RuntimeInitArgs; + +#ifndef WASM_VALKIND_T_DEFINED +#define WASM_VALKIND_T_DEFINED +typedef uint8_t wasm_valkind_t; +enum wasm_valkind_enum { + WASM_I32, + WASM_I64, + WASM_F32, + WASM_F64, + WASM_ANYREF = 128, + WASM_FUNCREF, +}; +#endif + +#ifndef WASM_VAL_T_DEFINED +#define WASM_VAL_T_DEFINED + +typedef struct wasm_val_t { + wasm_valkind_t kind; + union { + /* also represent a function index */ + int32_t i32; + int64_t i64; + float f32; + double f64; + /* represent a foreign object, aka externref in .wat */ + uintptr_t foreign; + } of; +} wasm_val_t; +#endif + +/** + * Initialize the WASM runtime environment, and also initialize + * the memory allocator with system allocator, which calls os_malloc + * to allocate memory + * + * @return true if success, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_init(void); + +/** + * Initialize the WASM runtime environment, WASM running mode, + * and also initialize the memory allocator and register native symbols, + * which are specified with init arguments + * + * @param init_args specifies the init arguments + * + * @return return true if success, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_full_init(RuntimeInitArgs *init_args); + +/** + * Query whether a certain running mode is supported for the runtime + * + * @param running_mode the running mode to query + * + * @return true if this running mode is supported, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_is_running_mode_supported(RunningMode running_mode); + +/** + * Set the default running mode for the runtime. It is inherited + * to set the running mode of a module instance when it is instantiated, + * and can be changed by calling wasm_runtime_set_running_mode + * + * @param running_mode the running mode to set + * + * @return true if success, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_set_default_running_mode(RunningMode running_mode); + +/** + * Destroy the WASM runtime environment. + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_destroy(void); + +/** + * Allocate memory from runtime memory environment. + * + * @param size bytes need to allocate + * + * @return the pointer to memory allocated + */ +WASM_RUNTIME_API_EXTERN void * +wasm_runtime_malloc(unsigned int size); + +/** + * Reallocate memory from runtime memory environment + * + * @param ptr the original memory + * @param size bytes need to reallocate + * + * @return the pointer to memory reallocated + */ +WASM_RUNTIME_API_EXTERN void * +wasm_runtime_realloc(void *ptr, unsigned int size); + +/* + * Free memory to runtime memory environment. + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_free(void *ptr); + +/* + * Get memory info, only pool mode is supported now. + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_get_mem_alloc_info(mem_alloc_info_t *mem_alloc_info); + +/** + * Get the package type of a buffer. + * + * @param buf the package buffer + * @param size the package buffer size + * + * @return the package type, return Package_Type_Unknown if the type is unknown + */ +WASM_RUNTIME_API_EXTERN package_type_t +get_package_type(const uint8_t *buf, uint32_t size); + +/** + * Check whether a file is an AOT XIP (Execution In Place) file + * + * @param buf the package buffer + * @param size the package buffer size + * + * @return true if success, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_is_xip_file(const uint8_t *buf, uint32_t size); + +/** + * Callback to load a module file into a buffer in multi-module feature + */ +typedef bool (*module_reader)(const char *module_name, + uint8_t **p_buffer, uint32_t *p_size); + +/** + * Callback to release the buffer loaded by module_reader callback + */ +typedef void (*module_destroyer)(uint8_t *buffer, uint32_t size); + +/** + * Setup callbacks for reading and releasing a buffer about a module file + * + * @param reader a callback to read a module file into a buffer + * @param destroyer a callback to release above buffer + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_set_module_reader(const module_reader reader, + const module_destroyer destroyer); +/** + * Give the "module" a name "module_name". + * Can not assign a new name to a module if it already has a name + * + * @param module_name indicate a name + * @param module the target module + * @param error_buf output of the exception info + * @param error_buf_size the size of the exception string + * + * @return true means success, false means failed + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_register_module(const char *module_name, wasm_module_t module, + char *error_buf, uint32_t error_buf_size); + +/** + * Check if there is already a loaded module named module_name in the + * runtime. Repeately loading a module with the same name is not allowed. + * + * @param module_name indicate a name + * + * @return return WASM module loaded, NULL if failed + */ +WASM_RUNTIME_API_EXTERN wasm_module_t +wasm_runtime_find_module_registered(const char *module_name); + +/** + * Load a WASM module from a specified byte buffer. The byte buffer can be + * WASM binary data when interpreter or JIT is enabled, or AOT binary data + * when AOT is enabled. If it is AOT binary data, it must be 4-byte aligned. + * + * Note: In case of AOT XIP modules, the runtime doesn't make modifications + * to the buffer. (Except the "Known issues" mentioned in doc/xip.md.) + * Otherwise, the runtime can make modifications to the buffer for its + * internal purposes. Thus, in general, it isn't safe to create multiple + * modules from a single buffer. + * + * @param buf the byte buffer which contains the WASM/AOT binary data, + * note that the byte buffer must be writable since runtime may + * change its content for footprint and performance purpose, and + * it must be referencable until wasm_runtime_unload is called + * @param size the size of the buffer + * @param error_buf output of the exception info + * @param error_buf_size the size of the exception string + * + * @return return WASM module loaded, NULL if failed + */ +WASM_RUNTIME_API_EXTERN wasm_module_t +wasm_runtime_load(uint8_t *buf, uint32_t size, + char *error_buf, uint32_t error_buf_size); + +/** + * Load a WASM module from a specified WASM or AOT section list. + * + * @param section_list the section list which contains each section data + * @param is_aot whether the section list is AOT section list + * @param error_buf output of the exception info + * @param error_buf_size the size of the exception string + * + * @return return WASM module loaded, NULL if failed + */ +WASM_RUNTIME_API_EXTERN wasm_module_t +wasm_runtime_load_from_sections(wasm_section_list_t section_list, bool is_aot, + char *error_buf, uint32_t error_buf_size); + +/** + * Unload a WASM module. + * + * @param module the module to be unloaded + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_unload(wasm_module_t module); + +/** + * Get the module hash of a WASM module, currently only available on + * linux-sgx platform when the remote attestation feature is enabled + * + * @param module the WASM module to retrieve + * + * @return the module hash of the WASM module + */ +char * +wasm_runtime_get_module_hash(wasm_module_t module); + +/** + * Set WASI parameters. + * + * While this API operates on a module, these parameters will be used + * only when the module is instantiated. That is, you can consider these + * as extra parameters for wasm_runtime_instantiate(). + * + * @param module The module to set WASI parameters. + * @param dir_list The list of directories to preopen. (real path) + * @param dir_count The number of elements in dir_list. + * @param map_dir_list The list of directories to preopen. (mapped path) + * @param map_dir_count The number of elements in map_dir_list. + * If map_dir_count is smaller than dir_count, + * mapped path is assumed to be same as the + * corresponding real path for the rest of entries. + * @param env The list of environment variables. + * @param env_count The number of elements in env. + * @param argv The list of command line arguments. + * @param argc The number of elements in argv. + * @param stdinfd The host file descriptor to back WASI STDIN_FILENO. + * If -1 is specified, STDIN_FILENO is used. + * @param stdoutfd The host file descriptor to back WASI STDOUT_FILENO. + * If -1 is specified, STDOUT_FILENO is used. + * @param stderrfd The host file descriptor to back WASI STDERR_FILENO. + * If -1 is specified, STDERR_FILENO is used. + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_set_wasi_args_ex(wasm_module_t module, + const char *dir_list[], uint32_t dir_count, + const char *map_dir_list[], uint32_t map_dir_count, + const char *env[], uint32_t env_count, + char *argv[], int argc, + int stdinfd, int stdoutfd, int stderrfd); + +/** + * Set WASI parameters. + * + * Same as wasm_runtime_set_wasi_args_ex with stdinfd = -1, stdoutfd = -1, + * stderrfd = -1. + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_set_wasi_args(wasm_module_t module, + const char *dir_list[], uint32_t dir_count, + const char *map_dir_list[], uint32_t map_dir_count, + const char *env[], uint32_t env_count, + char *argv[], int argc); + +WASM_RUNTIME_API_EXTERN void +wasm_runtime_set_wasi_addr_pool(wasm_module_t module, const char *addr_pool[], + uint32_t addr_pool_size); + +WASM_RUNTIME_API_EXTERN void +wasm_runtime_set_wasi_ns_lookup_pool(wasm_module_t module, const char *ns_lookup_pool[], + uint32_t ns_lookup_pool_size); + +/** + * Instantiate a WASM module. + * + * @param module the WASM module to instantiate + * @param default_stack_size the default stack size of the module instance when the + * exec env's operation stack isn't created by user, e.g. API + * wasm_application_execute_main() and wasm_application_execute_func() + * create the operation stack internally with the stack size specified + * here. And API wasm_runtime_create_exec_env() creates the operation + * stack with stack size specified by its parameter, the stack size + * specified here is ignored. + * @param host_managed_heap_size the default heap size of the module instance, a heap will + * be created besides the app memory space. Both wasm app and native + * function can allocate memory from the heap. + * @param error_buf buffer to output the error info if failed + * @param error_buf_size the size of the error buffer + * + * @return return the instantiated WASM module instance, NULL if failed + */ +WASM_RUNTIME_API_EXTERN wasm_module_inst_t +wasm_runtime_instantiate(const wasm_module_t module, + uint32_t default_stack_size, uint32_t host_managed_heap_size, + char *error_buf, uint32_t error_buf_size); + +/** + * Set the running mode of a WASM module instance, override the + * default running mode of the runtime. Note that it only makes sense when + * the input is a wasm bytecode file: for the AOT file, runtime always runs + * it with AOT engine, and this function always returns true. + * + * @param module_inst the WASM module instance to set running mode + * @param running_mode the running mode to set + * + * @return true if success, false otherwise + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_set_running_mode(wasm_module_inst_t module_inst, + RunningMode running_mode); + +/** + * Get the running mode of a WASM module instance, if no running mode + * is explicitly set the default running mode of runtime will + * be used and returned. Note that it only makes sense when the input is a + * wasm bytecode file: for the AOT file, this function always returns 0. + * + * @param module_inst the WASM module instance to query for running mode + * + * @return the running mode this module instance currently use + */ +WASM_RUNTIME_API_EXTERN RunningMode +wasm_runtime_get_running_mode(wasm_module_inst_t module_inst); + +/** + * Deinstantiate a WASM module instance, destroy the resources. + * + * @param module_inst the WASM module instance to destroy + */ +WASM_RUNTIME_API_EXTERN void +wasm_runtime_deinstantiate(wasm_module_inst_t module_inst); + +/** + * Get WASM module from WASM module instance + * + * @param module_inst the WASM module instance to retrieve + * + * @return the WASM module + */ +WASM_RUNTIME_API_EXTERN wasm_module_t +wasm_runtime_get_module(wasm_module_inst_t module_inst); + +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_is_wasi_mode(wasm_module_inst_t module_inst); + +WASM_RUNTIME_API_EXTERN wasm_function_inst_t +wasm_runtime_lookup_wasi_start_function(wasm_module_inst_t module_inst); + +/** + * Get WASI exit code. + * + * After a WASI command completed its execution, an embedder can + * call this function to get its exit code. (that is, the value given + * to proc_exit.) + * + * @param module_inst the module instance + */ +WASM_RUNTIME_API_EXTERN uint32_t +wasm_runtime_get_wasi_exit_code(wasm_module_inst_t module_inst); + +/** + * Lookup an exported function in the WASM module instance. + * + * @param module_inst the module instance + * @param name the name of the function + * @param signature the signature of the function, ignored currently + * + * @return the function instance found, NULL if not found + */ +WASM_RUNTIME_API_EXTERN wasm_function_inst_t +wasm_runtime_lookup_function(wasm_module_inst_t const module_inst, + const char *name, const char *signature); + +/** + * Get parameter count of the function instance + * + * @param func_inst the function instance + * @param module_inst the module instance the function instance belongs to + * + * @return the parameter count of the function instance + */ +WASM_RUNTIME_API_EXTERN uint32_t +wasm_func_get_param_count(wasm_function_inst_t const func_inst, + wasm_module_inst_t const module_inst); + +/** + * Get result count of the function instance + * + * @param func_inst the function instance + * @param module_inst the module instance the function instance belongs to + * + * @return the result count of the function instance + */ +WASM_RUNTIME_API_EXTERN uint32_t +wasm_func_get_result_count(wasm_function_inst_t const func_inst, + wasm_module_inst_t const module_inst); + +/** + * 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, ...); + +/** + * Call a function reference of a given WASM runtime instance with + * arguments. + * + * Note: this can be used to call a function which is not exported + * by the module explicitly. You might consider it as an abstraction + * violation. + * + * @param exec_env the execution environment to call the function + * which must be created from wasm_create_exec_env() + * @param element_index the function reference index, usually + * prvovided by the caller of a registed native function + * @param argc the number of arguments + * @param argv the arguments. If the function method 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 exception info. + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_call_indirect(wasm_exec_env_t exec_env, uint32_t element_index, + uint32_t argc, uint32_t argv[]); + +/** + * 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); + +/** + * Check whether an import func `(import <module_name> <func_name> (func ...))` is linked or not + * with runtime registered natvie functions + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_is_import_func_linked(const char *module_name, + const char *func_name); + +/** + * Check whether an import global `(import <module_name> <global_name> (global ...))` is linked or not + * with runtime registered natvie globals + */ +WASM_RUNTIME_API_EXTERN bool +wasm_runtime_is_import_global_linked(const char *module_name, + const char *global_name); +/* clang-format on */ + +#ifdef __cplusplus +} +#endif + +#endif /* end of _WASM_EXPORT_H */ |