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96 lines
2.4 KiB
C
96 lines
2.4 KiB
C
5 years ago
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "m3.h"
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#include "m3_host.h"
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#define FATAL(msg, ...) { printf("Fatal: " msg "\n", ##__VA_ARGS__); return 1; }
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int main (int i_argc, const char * i_argv [])
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{
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M3Result result = c_m3Err_none;
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if (i_argc < 3) FATAL("not enough arguments");
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u8* wasm = NULL;
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u32 fsize = 0;
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//printf("Loading WebAssembly...\n");
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FILE* f = fopen (i_argv[1], "rb");
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if (f)
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{
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fseek (f, 0, SEEK_END);
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fsize = ftell(f);
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fseek (f, 0, SEEK_SET);
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if (fsize > 1000000) FATAL("file is too big");
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wasm = (u8*) malloc(fsize);
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fread (wasm, 1, fsize, f);
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fclose (f);
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}
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IM3Module module;
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result = m3_ParseModule (& module, wasm, fsize);
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if (result) FATAL("m3_ParseModule: %s", result);
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IM3Runtime env = m3_NewRuntime (4096);
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if (!env) FATAL("m3_NewRuntime");
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result = m3_LoadModule (env, module);
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if (result) FATAL("m3_LoadModule: %s", result);
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/*
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m3_LinkFunction (module, "_m3TestOut", "v(iFi)", (void *) m3TestOut);
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m3_LinkFunction (module, "_m3StdOut", "v(*)", (void *) m3Output);
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m3_LinkFunction (module, "_m3Export", "v(*i)", (void *) m3Export);
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m3_LinkFunction (module, "_m3Out_f64", "v(F)", (void *) m3Out_f64);
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m3_LinkFunction (module, "_m3Out_i32", "v(i)", (void *) m3Out_i32);
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m3_LinkFunction (module, "_TestReturn", "F(i)", (void *) TestReturn);
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m3_LinkFunction (module, "abortStackOverflow", "v(i)", (void *) m3_abort);
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result = m3_LinkCStd (module); if (result) FATAL("m3_LinkCStd: %s", result);
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m3_PrintRuntimeInfo (env);
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*/
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IM3Function func;
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result = m3_FindFunction (& func, env, "__post_instantiate");
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if (not result)
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{
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result = m3_Call (func);
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if (result) FATAL("__post_instantiate failed: %s", result);
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}
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const char* fname = i_argv[2];
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result = m3_FindFunction (& func, env, fname);
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if (result) FATAL("m3_FindFunction: %s", result);
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//printf("Running...\n");
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if (!strcmp(fname, "_main") || !strcmp(fname, "main")) {
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i_argc -= 2;
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i_argv += 2;
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result = m3_CallMain (func, i_argc, i_argv);
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} else {
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i_argc -= 3;
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i_argv += 3;
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result = m3_CallWithArgs (func, i_argc, i_argv);
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}
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m3_FreeRuntime (env);
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free (wasm);
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if (result) FATAL("m3_Call: %s", result);
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printf ("\n");
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return 0;
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}
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