| var bufferView; | |
| var memorySegments = {}; | |
| var base64ReverseLookup = new Uint8Array(123/*'z'+1*/); | |
| for (var i = 25; i >= 0; --i) { | |
| base64ReverseLookup[48+i] = 52+i; // '0-9' | |
| base64ReverseLookup[65+i] = i; // 'A-Z' | |
| base64ReverseLookup[97+i] = 26+i; // 'a-z' | |
| } | |
| base64ReverseLookup[43] = 62; // '+' | |
| base64ReverseLookup[47] = 63; // '/' | |
| /** @noinline Inlining this function would mean expanding the base64 string 4x times in the source code, which Closure seems to be happy to do. */ | |
| function base64DecodeToExistingUint8Array(uint8Array, offset, b64) { | |
| var b1, b2, i = 0, j = offset, bLength = b64.length, end = offset + (bLength*3>>2) - (b64[bLength-2] == '=') - (b64[bLength-1] == '='); | |
| for (; i < bLength; i += 4) { | |
| b1 = base64ReverseLookup[b64.charCodeAt(i+1)]; | |
| b2 = base64ReverseLookup[b64.charCodeAt(i+2)]; | |
| uint8Array[j++] = base64ReverseLookup[b64.charCodeAt(i)] << 2 | b1 >> 4; | |
| if (j < end) uint8Array[j++] = b1 << 4 | b2 >> 2; | |
| if (j < end) uint8Array[j++] = b2 << 6 | base64ReverseLookup[b64.charCodeAt(i+3)]; | |
| } | |
| return uint8Array; | |
| } | |
| memorySegments[0] = base64DecodeToExistingUint8Array(new Uint8Array(6), 0, "aGVsbG8s"); | |
| memorySegments[1] = base64DecodeToExistingUint8Array(new Uint8Array(6), 0, "d29ybGQh"); | |
| function wasm2js_atomic_wait_i32(offset, ptr, expected, timeoutLow, timeoutHigh) { | |
| ptr = (ptr + offset) >> 2; | |
| var timeout = Infinity; | |
| if (timeoutHigh >= 0) { | |
| // Convert from nanoseconds to milliseconds | |
| // Taken from convertI32PairToI53 in emscripten's library_int53.js | |
| timeout = ((timeoutLow >>> 0) / 1e6) + timeoutHigh * (4294967296 / 1e6); | |
| } | |
| var view = new Int32Array(bufferView.buffer); // TODO cache | |
| var result = Atomics.wait(view, ptr, expected, timeout); | |
| if (result == 'ok') return 0; | |
| if (result == 'not-equal') return 1; | |
| if (result == 'timed-out') return 2; | |
| throw 'bad result ' + result; | |
| } | |
| function wasm2js_atomic_rmw_i64(op, bytes, offset, ptr, valueLow, valueHigh) { | |
| // TODO: support bytes=1, 2, 4 as well as 8. | |
| var view = new BigInt64Array(bufferView.buffer); // TODO cache | |
| ptr = (ptr + offset) >> 3; | |
| var value = BigInt(valueLow >>> 0) | (BigInt(valueHigh >>> 0) << BigInt(32)); | |
| var result; | |
| switch (op) { | |
| case 0: { // Add | |
| result = Atomics.add(view, ptr, value); | |
| break; | |
| } | |
| case 1: { // Sub | |
| result = Atomics.sub(view, ptr, value); | |
| break; | |
| } | |
| case 2: { // And | |
| result = Atomics.and(view, ptr, value); | |
| break; | |
| } | |
| case 3: { // Or | |
| result = Atomics.or(view, ptr, value); | |
| break; | |
| } | |
| case 4: { // Xor | |
| result = Atomics.xor(view, ptr, value); | |
| break; | |
| } | |
| case 5: { // Xchg | |
| result = Atomics.exchange(view, ptr, value); | |
| break; | |
| } | |
| default: throw 'bad op'; | |
| } | |
| var low = Number(result & BigInt(0xffffffff)) | 0; | |
| var high = Number((result >> BigInt(32)) & BigInt(0xffffffff)) | 0; | |
| stashedBits = high; | |
| return low; | |
| } | |
| var stashedBits = 0; | |
| function wasm2js_get_stashed_bits() { | |
| return stashedBits; | |
| } | |
| function wasm2js_memory_init(segment, dest, offset, size) { | |
| // TODO: traps on invalid things | |
| bufferView.set(memorySegments[segment].subarray(offset, offset + size), dest); | |
| } | |
| function asmFunc(imports) { | |
| var buffer = new ArrayBuffer(16777216); | |
| var HEAP8 = new Int8Array(buffer); | |
| var HEAP16 = new Int16Array(buffer); | |
| var HEAP32 = new Int32Array(buffer); | |
| var HEAPU8 = new Uint8Array(buffer); | |
| var HEAPU16 = new Uint16Array(buffer); | |
| var HEAPU32 = new Uint32Array(buffer); | |
| var HEAPF32 = new Float32Array(buffer); | |
| var HEAPF64 = new Float64Array(buffer); | |
| var Math_imul = Math.imul; | |
| var Math_fround = Math.fround; | |
| var Math_abs = Math.abs; | |
| var Math_clz32 = Math.clz32; | |
| var Math_min = Math.min; | |
| var Math_max = Math.max; | |
| var Math_floor = Math.floor; | |
| var Math_ceil = Math.ceil; | |
| var Math_trunc = Math.trunc; | |
| var Math_sqrt = Math.sqrt; | |
| function test() { | |
| Atomics.compareExchange(HEAP8, 1024, 1, 2) | 0; | |
| Atomics.compareExchange(HEAP16, 512, 1, 2) | 0; | |
| Atomics.compareExchange(HEAP32, 256, 1, 2) | 0; | |
| Atomics.load(HEAPU8, 1028); | |
| Atomics.load(HEAPU16, 514); | |
| Atomics.load(HEAP32, 257); | |
| Atomics.store(HEAP32, 25, 200); | |
| wasm2js_atomic_wait_i32(4, 8, 16, -1, -1) | 0; | |
| wasm2js_memory_init(0, 512, 0, 4); | |
| wasm2js_memory_init(1, 1024, 4, 2); | |
| Atomics.notify(HEAP32, 1, 2); | |
| Atomics.notify(HEAP32, 4 + 20 >> 2, 4294967295); | |
| Atomics.add(HEAP32, 2, 12); | |
| Atomics.sub(HEAP32, 2, 12); | |
| Atomics.and(HEAP32, 2, 12); | |
| Atomics.or(HEAP32, 2, 12); | |
| Atomics.xor(HEAP32, 2, 12); | |
| Atomics.exchange(HEAP32, 2, 12); | |
| Atomics.add(HEAP8, 8, 12); | |
| Atomics.sub(HEAP16, 4, 12); | |
| wasm2js_atomic_rmw_i64(0, 8, 0, 8, 16, 0) | 0; | |
| wasm2js_get_stashed_bits() | 0; | |
| wasm2js_atomic_rmw_i64(4, 8, 32, 8, -1, -1) | 0; | |
| wasm2js_get_stashed_bits() | 0; | |
| } | |
| bufferView = HEAPU8; | |
| function __wasm_memory_size() { | |
| return buffer.byteLength >> 16; | |
| } | |
| return { | |
| "test": test | |
| }; | |
| } | |
| var retasmFunc = asmFunc({ | |
| }); | |
| export var test = retasmFunc.test; |