orca/ext/wasm3/platforms/emscripten/main.c

66 lines
1.6 KiB
C

//
// Wasm3 - high performance WebAssembly interpreter written in C.
//
// Copyright © 2019 Steven Massey, Volodymyr Shymanskyy.
// All rights reserved.
//
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include "wasm3.h"
#include "extra/fib32.wasm.h"
#define FATAL(msg, ...) { printf("Fatal: " msg "\n", ##__VA_ARGS__); return; }
void run_wasm()
{
M3Result result = m3Err_none;
uint8_t* wasm = (uint8_t*)fib32_wasm;
size_t fsize = fib32_wasm_len;
IM3Environment env = m3_NewEnvironment ();
if (!env) FATAL("m3_NewEnvironment failed");
IM3Runtime runtime = m3_NewRuntime (env, 64*1024, NULL);
if (!runtime) FATAL("m3_NewRuntime failed");
IM3Module module;
result = m3_ParseModule (env, &module, wasm, fsize);
if (result) FATAL("m3_ParseModule: %s", result);
result = m3_LoadModule (runtime, module);
if (result) FATAL("m3_LoadModule: %s", result);
IM3Function f;
result = m3_FindFunction (&f, runtime, "fib");
if (result) FATAL("m3_FindFunction: %s", result);
result = m3_CallV (f, 40);
if (result) FATAL("Call: %s", result);
uint32_t value = 0;
result = m3_GetResultsV (f, &value);
if (result) FATAL("m3_GetResults: %s", result);
printf("Result: %d\n", value);
}
int main (int i_argc, const char * i_argv [])
{
printf("Wasm3 v" M3_VERSION " on WASM, build " __DATE__ " " __TIME__ "\n");
clock_t start = clock();
run_wasm();
clock_t end = clock();
uint32_t elapsed_time = (end - start)*1000 / CLOCKS_PER_SEC ;
printf("Elapsed: %d ms\n", elapsed_time);
return 0;
}