File size: 1,979 Bytes
00df61d | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 | /**
* @license
* Copyright 2019 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
// Create the wasm memory. (Note: this only applies if IMPORTED_MEMORY is defined)
#if !IMPORTED_MEMORY
#error "this file should not be included when IMPORTED_MEMORY is set"
#endif
// check for full engine support (use string 'subarray' to avoid closure compiler confusion)
function initMemory() {
#if WASM_ESM_INTEGRATION && PTHREADS
if (ENVIRONMENT_IS_PTHREAD) {
wasmMemory = globalThis.wasmMemory;
assert(wasmMemory);
updateMemoryViews();
}
#endif
{{{ runIfWorkerThread('return') }}}
#if expectToReceiveOnModule('wasmMemory')
if (Module['wasmMemory']) {
wasmMemory = Module['wasmMemory'];
} else
#endif
{
var INITIAL_MEMORY = {{{ makeModuleReceiveExpr('INITIAL_MEMORY', INITIAL_MEMORY) }}};
#if ASSERTIONS
assert(INITIAL_MEMORY >= {{{ STACK_SIZE }}}, `INITIAL_MEMORY should be larger than STACK_SIZE, was ${INITIAL_MEMORY}! (STACK_SIZE={{{ STACK_SIZE }}})`);
#endif
/** @suppress {checkTypes} */
#if MINIMAL_RUNTIME && WASM_WORKERS
wasmMemory = Module['mem'] || new WebAssembly.Memory({
#else
wasmMemory = new WebAssembly.Memory({
#endif
'initial': {{{ toIndexType(`INITIAL_MEMORY / ${WASM_PAGE_SIZE}`) }}},
#if ALLOW_MEMORY_GROWTH
// In theory we should not need to emit the maximum if we want "unlimited"
// or 4GB of memory, but VMs error on that atm, see
// https://github.com/emscripten-core/emscripten/issues/14130
// And in the pthreads case we definitely need to emit a maximum. So
// always emit one.
'maximum': {{{ toIndexType(MAXIMUM_MEMORY / WASM_PAGE_SIZE) }}},
#else
'maximum': {{{ toIndexType(`INITIAL_MEMORY / ${WASM_PAGE_SIZE}`) }}},
#endif // ALLOW_MEMORY_GROWTH
#if SHARED_MEMORY
'shared': true,
#endif
#if MEMORY64 == 1
'address': 'i64',
#endif
});
}
updateMemoryViews();
}
#if WASM_ESM_INTEGRATION || MINIMAL_RUNTIME
initMemory();
#endif
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