File size: 1,724 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 | /**
* @license
* Copyright 2015 The Emscripten Authors
* SPDX-License-Identifier: MIT
*/
// When bootstrapping struct info, we can't use the full library because
// it itself depends on the struct info information.
#if !BOOTSTRAPPING_STRUCT_INFO
assert(false, "libbootstrap.js only designed for use with BOOTSTRAPPING_STRUCT_INFO")
#endif
assert(Object.keys(LibraryManager.library).length === 0);
addToLibrary({
$callRuntimeCallbacks: () => {},
$HEAP8: undefined,
$HEAPU8: undefined,
$HEAP16: undefined,
$HEAPU16: undefined,
$HEAP32: undefined,
$HEAPU32: undefined,
$HEAPF32: undefined,
$HEAPF64: undefined,
#if WASM_BIGINT
$HEAP64: undefined,
$HEAPU64: undefined,
#endif
$wasmMemory: 'memory',
$ExitStatus: class {
name = 'ExitStatus';
constructor(status) {
this.message = `Program terminated with exit(${status})`;
this.status = status;
}
},
$exitJS__deps: ['$ExitStatus'],
$exitJS: (code) => quit_(code, new ExitStatus(code)),
$handleException: (e) => {
if (e instanceof ExitStatus || e == 'unwind') {
return EXITSTATUS;
}
quit_(1, e);
},
fd_write__sig: 'iippp',
fd_write: (fd, iov, iovcnt, pnum) => {
// implementation almost copied from libwasi.js one for SYSCALLS_REQUIRE_FILESYSTEM=0
// (the only difference is that we can't use C_STRUCTS here)
var num = 0;
for (var i = 0; i < iovcnt; i++) {
var ptr = {{{ makeGetValue('iov', 0, '*') }}};
var len = {{{ makeGetValue('iov', POINTER_SIZE, '*') }}};
iov += {{{ POINTER_SIZE }}} * 2;
process.stdout.write(HEAPU8.subarray(ptr, ptr + len));
num += len;
}
{{{ makeSetValue('pnum', 0, 'num', '*') }}};
return 0;
},
});
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