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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-03-09 13:19:22 +0000 |
commit | c21c3b0befeb46a51b6bf3758ffa30813bea0ff0 (patch) | |
tree | 9754ff1ca740f6346cf8483ec915d4054bc5da2d /fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c | |
parent | Adding upstream version 1.43.2. (diff) | |
download | netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.tar.xz netdata-c21c3b0befeb46a51b6bf3758ffa30813bea0ff0.zip |
Adding upstream version 1.44.3.upstream/1.44.3
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c')
-rw-r--r-- | fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c new file mode 100644 index 000000000..c8788b51a --- /dev/null +++ b/fluent-bit/lib/wasm-micro-runtime-WAMR-1.2.2/samples/wasm-c-api/src/empty_imports.c @@ -0,0 +1,122 @@ +#include <stdio.h> + +#include "wasm_c_api.h" + +#define own + +int main(int argc, const char* argv[]) { + // Initialize. + printf("Initializing...\n"); + wasm_engine_t* engine = wasm_engine_new(); + wasm_store_t* store = wasm_store_new(engine); + + // Load binary. + printf("Loading binary...\n"); +#if WASM_ENABLE_AOT != 0 && WASM_ENABLE_INTERP == 0 + FILE* file = fopen("empty_imports.aot", "rb"); +#else + FILE* file = fopen("empty_imports.wasm", "rb"); +#endif + if (!file) { + printf("> Error loading module!\n"); + return 1; + } + + int ret = fseek(file, 0L, SEEK_END); + if (ret == -1) { + printf("> Error loading module!\n"); + fclose(file); + return 1; + } + + long file_size = ftell(file); + if (file_size == -1) { + printf("> Error loading module!\n"); + fclose(file); + return 1; + } + + ret = fseek(file, 0L, SEEK_SET); + if (ret == -1) { + printf("> Error loading module!\n"); + fclose(file); + return 1; + } + + wasm_byte_vec_t binary; + wasm_byte_vec_new_uninitialized(&binary, file_size); + if (fread(binary.data, file_size, 1, file) != 1) { + printf("> Error loading module!\n"); + fclose(file); + return 1; + } + fclose(file); + + // Compile. + printf("Compiling module...\n"); + own wasm_module_t* module = wasm_module_new(store, &binary); + if (!module) { + printf("> Error compiling module!\n"); + return 1; + } + + wasm_byte_vec_delete(&binary); + + // Instantiate with non-null but empty imports array. + printf("Instantiating module...\n"); + wasm_extern_vec_t imports = WASM_EMPTY_VEC; + own wasm_instance_t* instance = + wasm_instance_new(store, module, &imports, NULL); + if (!instance) { + printf("> Error instantiating module!\n"); + return 1; + } + + // Run an exported function to verify that the instance was created correctly. + printf("Extracting export...\n"); + own wasm_extern_vec_t exports; + wasm_instance_exports(instance, &exports); + if (exports.size == 0) { + printf("> Error accessing exports!\n"); + return 1; + } + + const wasm_func_t* add_func = wasm_extern_as_func(exports.data[0]); + if (add_func == NULL) { + printf("> Error accessing export!\n"); + return 1; + } + + wasm_module_delete(module); + wasm_instance_delete(instance); + + printf("Calling export...\n"); + wasm_val_t args[2] = { WASM_I32_VAL(3), WASM_I32_VAL(4) }; + wasm_val_vec_t args_vec = WASM_ARRAY_VEC(args); + + wasm_val_t results[1] = { WASM_INIT_VAL }; + wasm_val_vec_t results_vec = WASM_ARRAY_VEC(results); + + wasm_trap_t *trap = wasm_func_call(add_func, &args_vec, &results_vec); + if (trap) { + printf("> Error calling function!\n"); + wasm_trap_delete(trap); + return 1; + } + + if (results_vec.data[0].of.i32 != 7) { + printf("> Error calling function!\n"); + return 1; + } + + wasm_extern_vec_delete(&exports); + + // Shut down. + printf("Shutting down...\n"); + wasm_store_delete(store); + wasm_engine_delete(engine); + + // All done. + printf("Done.\n"); + return 0; +} |