118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
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//
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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 <stdlib.h>
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#include <stdio.h>
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#include <time.h>
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#include <inttypes.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <sys/utsname.h>
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#include <sys/mman.h>
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#include "wasm3.h"
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#include "m3_config.h"
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#include "m3_api_libc.h"
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#include "coremark_minimal.wasm.h"
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#define FATAL(msg, ...) { printf("Fatal: " msg "\n", ##__VA_ARGS__); return; }
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void run_wasm()
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{
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M3Result result = m3Err_none;
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uint8_t* wasm = (uint8_t*)coremark_minimal_wasm;
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size_t fsize = coremark_minimal_wasm_len;
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printf("Loading WebAssembly...\n");
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IM3Environment env = m3_NewEnvironment ();
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if (!env) FATAL("m3_NewEnvironment failed");
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IM3Runtime runtime = m3_NewRuntime (env, 8192, NULL);
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if (!runtime) FATAL("m3_NewRuntime failed");
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IM3Module module;
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result = m3_ParseModule (env, &module, wasm, fsize);
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if (result) FATAL("m3_ParseModule: %s", result);
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result = m3_LoadModule (runtime, module);
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if (result) FATAL("m3_LoadModule: %s", result);
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result = m3_LinkLibC (module);
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if (result) FATAL("m3_LinkLibC: %s", result);
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IM3Function f;
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result = m3_FindFunction (&f, runtime, "run");
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if (result) FATAL("m3_FindFunction: %s", result);
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printf("Running CoreMark 1.0...\n");
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result = m3_CallV (f);
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if (result) FATAL("m3_Call: %s", result);
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float value = 0;
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result = m3_GetResultsV (f, &value);
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if (result) FATAL("m3_GetResults: %s", result);
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printf("Result: %0.3f\n", value);
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}
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static void* runMain(void* ctx)
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{
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struct utsname systemInfo;
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uname(&systemInfo);
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printf("Wasm3 v" M3_VERSION " on iOS (" M3_ARCH ")\n");
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printf("Build " __DATE__ " " __TIME__ "\n");
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printf("Device: %s\n\n", systemInfo.machine);
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run_wasm();
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return 0;
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}
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//
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// Swift Bridging
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//
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#include "Bridging-Header.h"
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static print_cbk_t gPrintFunc;
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static int stdout_redirect(void* prefix, const char* buffer, int size)
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{
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if (gPrintFunc)
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gPrintFunc(buffer, size);
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return size;
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}
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void redirect_output(print_cbk_t f)
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{
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gPrintFunc = f;
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setvbuf(stdout, 0, _IOLBF, 0); // stdout: line-buffered
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setvbuf(stderr, 0, _IONBF, 0); // stderr: unbuffered
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stdout->_write = stdout_redirect;
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stderr->_write = stdout_redirect;
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}
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int run_app()
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{
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mlockall(MCL_CURRENT | MCL_FUTURE);
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static pthread_t mainThread;
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pthread_attr_t threadAttr;
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pthread_attr_init(&threadAttr);
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pthread_attr_setdetachstate(&threadAttr, PTHREAD_CREATE_DETACHED);
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pthread_create(&mainThread, &threadAttr, runMain, NULL);
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pthread_attr_destroy(&threadAttr);
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return 0;
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}
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