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-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/main.c217
-rw-r--r--fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/native_impl.c95
2 files changed, 0 insertions, 312 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/main.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/main.c
deleted file mode 100644
index c35da3179..000000000
--- a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/main.c
+++ /dev/null
@@ -1,217 +0,0 @@
-
-/*
- * Copyright (C) 2019 Intel Corporation. All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-
-#include "wasm_export.h"
-#include "bh_read_file.h"
-#include "bh_getopt.h"
-
-int
-intToStr(int x, char *str, int str_len, int digit);
-int
-get_pow(int x, int y);
-int32_t
-calculate_native(int32_t n, int32_t func1, int32_t func2);
-
-void
-print_usage(void)
-{
- fprintf(stdout, "Options:\r\n");
- fprintf(stdout, " -f [path of wasm file] \n");
-}
-
-int
-main(int argc, char *argv_main[])
-{
- static char global_heap_buf[512 * 1024];
- char *buffer, error_buf[128];
- int opt;
- char *wasm_path = NULL;
-
- wasm_module_t module = NULL;
- wasm_module_inst_t module_inst = NULL;
- wasm_exec_env_t exec_env = NULL;
- uint32 buf_size, stack_size = 8092, heap_size = 8092;
- wasm_function_inst_t func = NULL;
- wasm_function_inst_t func2 = NULL;
- char *native_buffer = NULL;
- uint32_t wasm_buffer = 0;
-
- RuntimeInitArgs init_args;
- memset(&init_args, 0, sizeof(RuntimeInitArgs));
-
- while ((opt = getopt(argc, argv_main, "hf:")) != -1) {
- switch (opt) {
- case 'f':
- wasm_path = optarg;
- break;
- case 'h':
- print_usage();
- return 0;
- case '?':
- print_usage();
- return 0;
- }
- }
- if (optind == 1) {
- print_usage();
- return 0;
- }
-
- // Define an array of NativeSymbol for the APIs to be exported.
- // Note: the array must be static defined since runtime
- // will keep it after registration
- // For the function signature specifications, goto the link:
- // https://github.com/bytecodealliance/wasm-micro-runtime/blob/main/doc/export_native_api.md
-
- static NativeSymbol native_symbols[] = {
- {
- "intToStr", // the name of WASM function name
- intToStr, // the native function pointer
- "(i*~i)i", // the function prototype signature, avoid to use i32
- NULL // attachment is NULL
- },
- {
- "get_pow", // the name of WASM function name
- get_pow, // the native function pointer
- "(ii)i", // the function prototype signature, avoid to use i32
- NULL // attachment is NULL
- },
- { "calculate_native", calculate_native, "(iii)i", NULL }
- };
-
- init_args.mem_alloc_type = Alloc_With_Pool;
- init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
- init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
-
- // Native symbols need below registration phase
- init_args.n_native_symbols = sizeof(native_symbols) / sizeof(NativeSymbol);
- init_args.native_module_name = "env";
- init_args.native_symbols = native_symbols;
-
- if (!wasm_runtime_full_init(&init_args)) {
- printf("Init runtime environment failed.\n");
- return -1;
- }
-
- buffer = bh_read_file_to_buffer(wasm_path, &buf_size);
-
- if (!buffer) {
- printf("Open wasm app file [%s] failed.\n", wasm_path);
- goto fail;
- }
-
- module = wasm_runtime_load(buffer, buf_size, error_buf, sizeof(error_buf));
- if (!module) {
- printf("Load wasm module failed. error: %s\n", error_buf);
- goto fail;
- }
-
- module_inst = wasm_runtime_instantiate(module, stack_size, heap_size,
- error_buf, sizeof(error_buf));
-
- if (!module_inst) {
- printf("Instantiate wasm module failed. error: %s\n", error_buf);
- goto fail;
- }
-
- exec_env = wasm_runtime_create_exec_env(module_inst, stack_size);
- if (!exec_env) {
- printf("Create wasm execution environment failed.\n");
- goto fail;
- }
-
- if (!(func = wasm_runtime_lookup_function(module_inst, "generate_float",
- NULL))) {
- printf("The generate_float wasm function is not found.\n");
- goto fail;
- }
-
- wasm_val_t results[1] = { { .kind = WASM_F32, .of.f32 = 0 } };
- wasm_val_t arguments[3] = {
- { .kind = WASM_I32, .of.i32 = 10 },
- { .kind = WASM_F64, .of.f64 = 0.000101 },
- { .kind = WASM_F32, .of.f32 = 300.002 },
- };
-
- // pass 4 elements for function arguments
- if (!wasm_runtime_call_wasm_a(exec_env, func, 1, results, 3, arguments)) {
- printf("call wasm function generate_float failed. %s\n",
- wasm_runtime_get_exception(module_inst));
- goto fail;
- }
-
- float ret_val;
- ret_val = results[0].of.f32;
- printf("Native finished calling wasm function generate_float(), returned a "
- "float value: %ff\n",
- ret_val);
-
- // Next we will pass a buffer to the WASM function
- uint32 argv2[4];
-
- // must allocate buffer from wasm instance memory space (never use pointer
- // from host runtime)
- wasm_buffer =
- wasm_runtime_module_malloc(module_inst, 100, (void **)&native_buffer);
-
- memcpy(argv2, &ret_val, sizeof(float)); // the first argument
- argv2[1] = wasm_buffer; // the second argument is the wasm buffer address
- argv2[2] = 100; // the third argument is the wasm buffer size
- argv2[3] = 3; // the last argument is the digits after decimal point for
- // converting float to string
-
- if (!(func2 = wasm_runtime_lookup_function(module_inst, "float_to_string",
- NULL))) {
- printf(
- "The wasm function float_to_string wasm function is not found.\n");
- goto fail;
- }
-
- if (wasm_runtime_call_wasm(exec_env, func2, 4, argv2)) {
- printf("Native finished calling wasm function: float_to_string, "
- "returned a formatted string: %s\n",
- native_buffer);
- }
- else {
- printf("call wasm function float_to_string failed. error: %s\n",
- wasm_runtime_get_exception(module_inst));
- goto fail;
- }
-
- wasm_function_inst_t func3 =
- wasm_runtime_lookup_function(module_inst, "calculate", NULL);
- if (!func3) {
- printf("The wasm function calculate is not found.\n");
- goto fail;
- }
-
- uint32_t argv3[1] = { 3 };
- if (wasm_runtime_call_wasm(exec_env, func3, 1, argv3)) {
- uint32_t result = *(uint32_t *)argv3;
- printf("Native finished calling wasm function: calculate, return: %d\n",
- result);
- }
- else {
- printf("call wasm function calculate failed. error: %s\n",
- wasm_runtime_get_exception(module_inst));
- goto fail;
- }
-
-fail:
- if (exec_env)
- wasm_runtime_destroy_exec_env(exec_env);
- if (module_inst) {
- if (wasm_buffer)
- wasm_runtime_module_free(module_inst, wasm_buffer);
- wasm_runtime_deinstantiate(module_inst);
- }
- if (module)
- wasm_runtime_unload(module);
- if (buffer)
- BH_FREE(buffer);
- wasm_runtime_destroy();
- return 0;
-}
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/native_impl.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/native_impl.c
deleted file mode 100644
index 1374c8dd8..000000000
--- a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/basic/src/native_impl.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/*
- * Copyright (C) 2019 Intel Corporation. All rights reserved.
- * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
- */
-
-#include "bh_platform.h"
-#include "wasm_export.h"
-#include "math.h"
-
-// The first parameter is not exec_env because it is invoked by native funtions
-void
-reverse(char *str, int len)
-{
- int i = 0, j = len - 1, temp;
- while (i < j) {
- temp = str[i];
- str[i] = str[j];
- str[j] = temp;
- i++;
- j--;
- }
-}
-
-// The first parameter exec_env must be defined using type wasm_exec_env_t
-// which is the calling convention for exporting native API by WAMR.
-//
-// Converts a given integer x to string str[].
-// digit is the number of digits required in the output.
-// If digit is more than the number of digits in x,
-// then 0s are added at the beginning.
-int
-intToStr(wasm_exec_env_t exec_env, int x, char *str, int str_len, int digit)
-{
- int i = 0;
-
- printf("calling into native function: %s\n", __FUNCTION__);
-
- while (x) {
- // native is responsible for checking the str_len overflow
- if (i >= str_len) {
- return -1;
- }
- str[i++] = (x % 10) + '0';
- x = x / 10;
- }
-
- // If number of digits required is more, then
- // add 0s at the beginning
- while (i < digit) {
- if (i >= str_len) {
- return -1;
- }
- str[i++] = '0';
- }
-
- reverse(str, i);
-
- if (i >= str_len)
- return -1;
- str[i] = '\0';
- return i;
-}
-
-int
-get_pow(wasm_exec_env_t exec_env, int x, int y)
-{
- printf("calling into native function: %s\n", __FUNCTION__);
- return (int)pow(x, y);
-}
-
-int32_t
-calculate_native(wasm_exec_env_t exec_env, int32_t n, int32_t func1,
- int32_t func2)
-{
- printf("calling into native function: %s, n=%d, func1=%d, func2=%d\n",
- __FUNCTION__, n, func1, func2);
-
- uint32_t argv[] = { n };
- if (!wasm_runtime_call_indirect(exec_env, func1, 1, argv)) {
- printf("call func1 failed\n");
- return 0xDEAD;
- }
-
- uint32_t n1 = argv[0];
- printf("call func1 and return n1=%d\n", n1);
-
- if (!wasm_runtime_call_indirect(exec_env, func2, 1, argv)) {
- printf("call func2 failed\n");
- return 0xDEAD;
- }
-
- uint32_t n2 = argv[0];
- printf("call func2 and return n2=%d\n", n2);
- return n1 + n2;
-}
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