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			325 lines
		
	
	
		
			9.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			325 lines
		
	
	
		
			9.0 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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| 
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| #pragma once
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| 
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| #include "wasm_export.h"
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| #include "gtest/gtest.h"
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| 
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| #include <iostream>
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| #include <memory>
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| #include <fstream>
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| 
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| template<int Size = 512 * 1024>
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| class WAMRRuntimeRAII
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| {
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|   private:
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|     char global_heap_buf[Size];
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|     RuntimeInitArgs init_args;
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| 
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|   public:
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|     WAMRRuntimeRAII()
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|     {
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|         memset(&init_args, 0, sizeof(RuntimeInitArgs));
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| 
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|         init_args.mem_alloc_type = Alloc_With_Pool;
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|         init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
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|         init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
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| 
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|         wasm_runtime_full_init(&init_args);
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|     }
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| 
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|     ~WAMRRuntimeRAII() { wasm_runtime_destroy(); }
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| };
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| 
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| class WAMRModule
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| {
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|   private:
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|     wasm_module_t module_;
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| 
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|   public:
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|     WAMRModule(uint8_t *buffer, uint32_t size)
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|     {
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|         module_ = wasm_runtime_load(buffer, size, NULL, 0);
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|     }
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| 
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|     ~WAMRModule() { wasm_runtime_unload(module_); }
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| 
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|     wasm_module_t get() const { return module_; }
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| };
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| 
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| class WAMRInstance
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| {
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|   private:
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|     wasm_module_inst_t module_inst_;
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| 
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|   public:
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|     WAMRInstance(WAMRModule &module, uint32_t stack_size = 8192,
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|                  uint32_t heap_size = 8192)
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|     {
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|         module_inst_ = wasm_runtime_instantiate(module.get(), stack_size,
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|                                                 heap_size, NULL, 0);
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|     }
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| 
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|     ~WAMRInstance() { wasm_runtime_deinstantiate(module_inst_); }
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| 
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|     wasm_module_inst_t get() const { return module_inst_; }
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| };
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| 
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| class WAMRExecEnv
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| {
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|   private:
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|     wasm_exec_env_t exec_env_;
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| 
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|   public:
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|     WAMRExecEnv(WAMRInstance &instance, uint32_t stack_size = 8192)
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|     {
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|         exec_env_ = wasm_runtime_create_exec_env(instance.get(), stack_size);
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|     }
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| 
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|     ~WAMRExecEnv() { wasm_runtime_destroy_exec_env(exec_env_); }
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| 
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|     wasm_exec_env_t get() const { return exec_env_; }
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|     wasm_module_inst_t get_inst() const
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|     {
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|         return wasm_runtime_get_module_inst(exec_env_);
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|     }
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| };
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| 
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| static uint8_t dummy_wasm_buffer[] = {
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|     0x00, 0x61, 0x73, 0x6D, 0x01, 0x00, 0x00, 0x00, 0x05, 0x03, 0x01, 0x00,
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|     0x02, 0x06, 0x08, 0x01, 0x7F, 0x01, 0x41, 0x80, 0x88, 0x04, 0x0B, 0x07,
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|     0x0A, 0x01, 0x06, 0x6D, 0x65, 0x6D, 0x6F, 0x72, 0x79, 0x02, 0x00, 0x00,
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|     0x19, 0x04, 0x6E, 0x61, 0x6D, 0x65, 0x07, 0x12, 0x01, 0x00, 0x0F, 0x5F,
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|     0x5F, 0x73, 0x74, 0x61, 0x63, 0x6B, 0x5F, 0x70, 0x6F, 0x69, 0x6E, 0x74,
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|     0x65, 0x72, 0x00, 0x76, 0x09, 0x70, 0x72, 0x6F, 0x64, 0x75, 0x63, 0x65,
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|     0x72, 0x73, 0x01, 0x0C, 0x70, 0x72, 0x6F, 0x63, 0x65, 0x73, 0x73, 0x65,
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|     0x64, 0x2D, 0x62, 0x79, 0x01, 0x05, 0x63, 0x6C, 0x61, 0x6E, 0x67, 0x56,
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|     0x31, 0x33, 0x2E, 0x30, 0x2E, 0x30, 0x20, 0x28, 0x68, 0x74, 0x74, 0x70,
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|     0x73, 0x3A, 0x2F, 0x2F, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62, 0x2E, 0x63,
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|     0x6F, 0x6D, 0x2F, 0x6C, 0x6C, 0x76, 0x6D, 0x2F, 0x6C, 0x6C, 0x76, 0x6D,
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|     0x2D, 0x70, 0x72, 0x6F, 0x6A, 0x65, 0x63, 0x74, 0x20, 0x66, 0x64, 0x31,
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|     0x64, 0x38, 0x63, 0x32, 0x66, 0x30, 0x34, 0x64, 0x64, 0x65, 0x32, 0x33,
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|     0x62, 0x65, 0x65, 0x30, 0x66, 0x62, 0x33, 0x61, 0x37, 0x64, 0x30, 0x36,
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|     0x39, 0x61, 0x39, 0x62, 0x31, 0x30, 0x34, 0x36, 0x64, 0x61, 0x39, 0x37,
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|     0x39, 0x29
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| };
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| 
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| class DummyExecEnv
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| {
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|   private:
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|     std::shared_ptr<WAMRExecEnv> dummy_exec_env_;
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|     std::shared_ptr<WAMRInstance> inst_;
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|     std::shared_ptr<WAMRModule> mod_;
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|     std::vector<uint8_t> my_wasm_buffer;
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| 
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|   private:
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|     void construct(uint8_t *buf, uint32_t len)
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|     {
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|         std::vector<uint8_t> buffer(buf, buf + len);
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|         my_wasm_buffer = buffer;
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| 
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|         mod_ = std::make_shared<WAMRModule>(my_wasm_buffer.data(),
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|                                             my_wasm_buffer.size());
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|         EXPECT_NE(mod_.get(), nullptr);
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|         inst_ = std::make_shared<WAMRInstance>(*mod_);
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|         EXPECT_NE(inst_.get(), nullptr);
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|         dummy_exec_env_ = std::make_shared<WAMRExecEnv>(*inst_);
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|         EXPECT_NE(dummy_exec_env_.get(), nullptr);
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|     }
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| 
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|   public:
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|     DummyExecEnv() { construct(dummy_wasm_buffer, sizeof(dummy_wasm_buffer)); }
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| 
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|     DummyExecEnv(uint8_t *buf, uint32_t len) { construct(buf, len); }
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| 
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|     DummyExecEnv(std::string filename)
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|     {
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|         std::ifstream wasm_file(filename, std::ios::binary);
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|         std::vector<uint8_t> buffer(std::istreambuf_iterator<char>(wasm_file),
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|                                     {});
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| 
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|         construct(buffer.data(), buffer.size());
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|     }
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| 
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|     ~DummyExecEnv() {}
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| 
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|     wasm_exec_env_t get() const { return dummy_exec_env_->get(); }
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| 
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|     void *app_to_native(uint32_t app_addr) const
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|     {
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|         return wasm_runtime_addr_app_to_native(inst_->get(), app_addr);
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|     }
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| 
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|     uint32_t native_to_app(void *ptr) const
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|     {
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|         return wasm_runtime_addr_native_to_app(inst_->get(), ptr);
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|     }
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| 
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|     const char *get_exception() const
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|     {
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|         return wasm_runtime_get_exception(inst_->get());
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|     }
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| 
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|     void set_exception(std::string str) const
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|     {
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|         wasm_runtime_set_exception(inst_->get(), str.c_str());
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|     }
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| 
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|     void clear_exception() const { wasm_runtime_clear_exception(inst_->get()); }
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| 
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|     bool execute(const char *func_name, uint32_t argc, uint32_t argv[])
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|     {
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|         wasm_function_inst_t func;
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| 
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|         if (!(func = wasm_runtime_lookup_function(inst_->get(), func_name))) {
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|             return false;
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|         }
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| 
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|         return wasm_runtime_call_wasm(dummy_exec_env_->get(), func, argc, argv);
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|     }
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| };
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| 
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| class WAMRVaList
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| {
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|   private:
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|     void *buffer_;
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|     uint32_t current_loc_;
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|     uint32_t capacity_;
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|     wasm_exec_env_t exec_env_;
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| 
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|     void _append(void *ptr, uint32_t size)
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|     {
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|         if (current_loc_ + size >= capacity_) {
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|             capacity_ *= 2;
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|             buffer_ = realloc(buffer_, capacity_);
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|             ASSERT_NE(buffer_, nullptr);
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|         }
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| 
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|         memcpy((void *)((uintptr_t)buffer_ + current_loc_), ptr, size);
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|         current_loc_ += size;
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|     }
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| 
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|   public:
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|     explicit WAMRVaList(wasm_exec_env_t exec_env)
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|       : exec_env_(exec_env)
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|     {
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|         capacity_ = 64;
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|         buffer_ = malloc(capacity_);
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|         EXPECT_NE(buffer_, nullptr);
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|         current_loc_ = 0;
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|     }
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| 
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|     ~WAMRVaList()
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|     {
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|         current_loc_ = 0;
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|         free(buffer_);
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|     }
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| 
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|     template<typename T>
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|     void add(T arg)
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|     {
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|         if (std::is_floating_point<T>::value) {
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|             /* float data should be 8 bytes aligned */
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|             current_loc_ = ((current_loc_ + 7) & ~7);
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|             _append(&arg, sizeof(T));
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|         }
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|         else if (std::is_integral<T>::value) {
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|             if (sizeof(T) > 4) {
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|                 current_loc_ = ((current_loc_ + 7) & ~7);
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|             }
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|             _append(&arg, sizeof(T));
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|         }
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|     }
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| 
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|     void add(std::string arg)
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|     {
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|         void *native_addr;
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|         auto inst = wasm_runtime_get_module_inst(exec_env_);
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|         uint32_t addr =
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|             wasm_runtime_module_malloc(inst, arg.size() + 1, &native_addr);
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|         ASSERT_NE(addr, 0);
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|         memcpy(native_addr, arg.data(), arg.size());
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|         *(char *)((uintptr_t)native_addr + arg.size()) = 0;
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|         _append(&addr, sizeof(uint32_t));
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|     }
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| 
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|     void add(const char *arg) { add(std::string(arg)); }
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| 
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|     char *get() const
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|     {
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|         auto inst = wasm_runtime_get_module_inst(exec_env_);
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|         uint32_t addr = wasm_runtime_module_dup_data(
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|             inst, (const char *)buffer_, current_loc_);
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|         EXPECT_NE(addr, 0);
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|         return (char *)wasm_runtime_addr_app_to_native(inst, addr);
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|     }
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| };
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| 
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| /* Get memory space in app */
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| class AppMemory
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| {
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|   private:
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|     wasm_exec_env_t exec_env_;
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|     void *native_addr_;
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|     uint32_t app_addr_;
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| 
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|   public:
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|     AppMemory(wasm_exec_env_t exec_env, uint32_t size)
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|       : exec_env_(exec_env)
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|     {
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|         app_addr_ = wasm_runtime_module_malloc(get_module_inst(exec_env_), size,
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|                                                &native_addr_);
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|     }
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| 
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|     ~AppMemory()
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|     {
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|         wasm_runtime_module_free(get_module_inst(exec_env_), app_addr_);
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|     }
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| 
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|     void *get_native_addr() const
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|     {
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|         return wasm_runtime_addr_app_to_native(get_module_inst(exec_env_),
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|                                                app_addr_);
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|     }
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|     uint32_t get_app_addr() const { return app_addr_; }
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| };
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| 
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| /* Put the data to app */
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| class AppData
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| {
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|   private:
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|     wasm_exec_env_t exec_env_;
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|     void *native_addr_;
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|     uint32_t app_addr_;
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| 
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|   public:
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|     AppData(wasm_exec_env_t exec_env, void *data, uint32_t size)
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|       : exec_env_(exec_env)
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|     {
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|         app_addr_ = wasm_runtime_module_dup_data(get_module_inst(exec_env_),
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|                                                  (const char *)data, size);
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|     }
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| 
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|     AppData(wasm_exec_env_t exec_env, std::string str)
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|       : exec_env_(exec_env)
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|     {
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|         app_addr_ = wasm_runtime_module_dup_data(get_module_inst(exec_env_),
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|                                                  (const char *)str.c_str(),
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|                                                  str.size() + 1);
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|     }
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| 
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|     ~AppData()
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|     {
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|         wasm_runtime_module_free(get_module_inst(exec_env_), app_addr_);
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|     }
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| 
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|     void *get_native_addr() const
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|     {
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|         return wasm_runtime_addr_app_to_native(get_module_inst(exec_env_),
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|                                                app_addr_);
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|     }
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|     uint32_t get_app_addr() const { return app_addr_; }
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| }; | 
