86 lines
2.4 KiB
C
86 lines
2.4 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_LOADER_H
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#define _WASM_LOADER_H
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#include "wasm.h"
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#include "bh_hashmap.h"
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#include "../common/wasm_runtime_common.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* Load a WASM module from a specified byte buffer.
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*
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* @param buf the byte buffer which contains the WASM binary data
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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 module loaded, NULL if failed
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*/
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WASMModule *
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wasm_loader_load(const uint8 *buf, uint32 size, char *error_buf,
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uint32 error_buf_size);
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/**
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* Load a WASM module from a specified WASM 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 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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WASMModule *
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wasm_loader_load_from_sections(WASMSection *section_list, char *error_buf,
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uint32 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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void
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wasm_loader_unload(WASMModule *module);
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/**
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* Find address of related else opcode and end opcode of opcode block/loop/if
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* according to the start address of opcode.
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*
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* @param module the module to find
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* @param start_addr the next address of opcode block/loop/if
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* @param code_end_addr the end address of function code block
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* @param block_type the type of block, 0/1/2 denotes block/loop/if
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* @param p_else_addr returns the else addr if found
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* @param p_end_addr returns the end addr if found
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* @param error_buf returns the error log for this function
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* @param error_buf_size returns the error log string length
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*
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* @return true if success, false otherwise
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*/
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bool
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wasm_loader_find_block_addr(WASMExecEnv *exec_env, BlockAddr *block_addr_cache,
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const uint8 *start_addr, const uint8 *code_end_addr,
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uint8 block_type, uint8 **p_else_addr,
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uint8 **p_end_addr);
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#if WASM_ENABLE_REF_TYPES != 0
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void
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wasm_set_ref_types_flag(bool enable);
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bool
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wasm_get_ref_types_flag();
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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_LOADER_H */
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