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https://github.com/bytecodealliance/wasm-micro-runtime.git
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118 lines
3.5 KiB
C
118 lines
3.5 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_NATIVE_H
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#define _WASM_NATIVE_H
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#include "bh_common.h"
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#include "../include/wasm_export.h"
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#include "../interpreter/wasm.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct NativeSymbolsNode {
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struct NativeSymbolsNode *next;
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const char *module_name;
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NativeSymbol *native_symbols;
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uint32 n_native_symbols;
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bool call_conv_raw;
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} NativeSymbolsNode, *NativeSymbolsList;
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/**
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* Lookup global variable of a given import global
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* from libc builtin globals
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*
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* @param module_name the module name of the import global
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* @param global_name the global name of the import global
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* @param global return the global data
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*
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* @param true if success, false otherwise
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*/
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bool
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wasm_native_lookup_libc_builtin_global(const char *module_name,
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const char *global_name,
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WASMGlobalImport *global);
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/**
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* Resolve native symbol in all libraries, including libc-builtin, libc-wasi,
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* base lib and extension lib, and user registered natives
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* function, which can be auto checked by vm before calling native function
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*
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* @param module_name the module name of the import function
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* @param func_name the function name of the import function
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* @param func_type the function prototype of the import function
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* @param p_signature output the signature if resolve success
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*
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* @return the native function pointer if success, NULL otherwise
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*/
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void *
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wasm_native_resolve_symbol(const char *module_name, const char *field_name,
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const WASMFuncType *func_type,
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const char **p_signature, void **p_attachment,
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bool *p_call_conv_raw);
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bool
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wasm_native_register_natives(const char *module_name,
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NativeSymbol *native_symbols,
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uint32 n_native_symbols);
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bool
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wasm_native_register_natives_raw(const char *module_name,
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NativeSymbol *native_symbols,
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uint32 n_native_symbols);
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bool
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wasm_native_unregister_natives(const char *module_name,
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NativeSymbol *native_symbols);
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#if WASM_ENABLE_MODULE_INST_CONTEXT != 0
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struct WASMModuleInstanceCommon;
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void *
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wasm_native_create_context_key(
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void (*dtor)(struct WASMModuleInstanceCommon *inst, void *ctx));
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void
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wasm_native_destroy_context_key(void *key);
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void
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wasm_native_set_context(struct WASMModuleInstanceCommon *inst, void *key,
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void *ctx);
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void
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wasm_native_set_context_spread(struct WASMModuleInstanceCommon *inst, void *key,
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void *ctx);
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void *
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wasm_native_get_context(struct WASMModuleInstanceCommon *inst, void *key);
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void
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wasm_native_call_context_dtors(struct WASMModuleInstanceCommon *inst);
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void
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wasm_native_inherit_contexts(struct WASMModuleInstanceCommon *child,
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struct WASMModuleInstanceCommon *parent);
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#else /* WASM_ENABLE_MODULE_INST_CONTEXT */
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#define wasm_native_call_context_dtors(inst) (void)(inst)
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#define wasm_native_inherit_contexts(child, parent) (void)(parent)
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#endif /* WASM_ENABLE_MODULE_INST_CONTEXT */
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bool
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wasm_native_init(void);
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void
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wasm_native_destroy(void);
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#if WASM_ENABLE_QUICK_AOT_ENTRY != 0
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void *
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wasm_native_lookup_quick_aot_entry(const WASMFuncType *func_type);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* end of _WASM_NATIVE_H */
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