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58 lines
1.2 KiB
C
58 lines
1.2 KiB
C
//
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// Wasm3 - high performance WebAssembly interpreter written in C.
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//
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// Copyright © 2019 Steven Massey, Volodymyr Shymanskyy.
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// All rights reserved.
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//
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#include <stdio.h>
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#include <stdlib.h>
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#include <emscripten.h>
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#include "wasm3.h"
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#include "m3_env.h"
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IM3Environment env;
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EMSCRIPTEN_KEEPALIVE
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void init() {
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env = m3_NewEnvironment ();
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if (!env) return;
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}
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EMSCRIPTEN_KEEPALIVE
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IM3Runtime new_runtime() {
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return m3_NewRuntime (env, 64*1024, NULL);
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}
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EMSCRIPTEN_KEEPALIVE
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void free_runtime(IM3Runtime runtime) {
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m3_FreeRuntime (runtime);
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}
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EMSCRIPTEN_KEEPALIVE
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void load(IM3Runtime runtime, uint8_t* wasm, size_t fsize) {
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M3Result result = m3Err_none;
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IM3Module module;
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result = m3_ParseModule (env, &module, wasm, fsize);
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if (result) return;
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result = m3_LoadModule (runtime, module);
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if (result) return;
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}
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EMSCRIPTEN_KEEPALIVE
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uint32_t call(IM3Runtime runtime, int argc, const char* argv[]) {
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M3Result result = m3Err_none;
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IM3Function f;
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result = m3_FindFunction (&f, runtime, argv[0]);
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if (result) return -1;
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result = m3_CallArgv (f, argc-1, argv+1);
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if (result) return -2;
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return *(uint64_t*)(runtime->stack);
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}
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