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-rw-r--r--examples/rubyvm-on-php-on-wasm/php-wasm.php1424
1 files changed, 1 insertions, 1423 deletions
diff --git a/examples/rubyvm-on-php-on-wasm/php-wasm.php b/examples/rubyvm-on-php-on-wasm/php-wasm.php
index ef8408d..148b98a 100644
--- a/examples/rubyvm-on-php-on-wasm/php-wasm.php
+++ b/examples/rubyvm-on-php-on-wasm/php-wasm.php
@@ -6,15 +6,7 @@ require_once __DIR__ . '/../../vendor/autoload.php';
use Nsfisis\Waddiwasi\Stream\FileStream;
use Nsfisis\Waddiwasi\WebAssembly\BinaryFormat\Decoder;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\Extern;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\Externs;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\FuncInst;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\Linker;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\Refs;
use Nsfisis\Waddiwasi\WebAssembly\Execution\Runtime;
-use Nsfisis\Waddiwasi\WebAssembly\Execution\Store;
-use Nsfisis\Waddiwasi\WebAssembly\Structure\Types\FuncType;
-use Nsfisis\Waddiwasi\WebAssembly\Structure\Types\ValType;
const PHP_HELLO_WORLD = <<<'EOS'
require_once '%DIR%/HelloWorld.php';
@@ -23,114 +15,7 @@ EOS;
$wasmBinaryStream = new FileStream(__DIR__ . '/php-wasm.wasm');
$module = (new Decoder($wasmBinaryStream))->decode();
-$imports = [
- 'env' => [
- 'invoke_iii' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env__invoke_iii(...)),
- 'invoke_iiiii' => makeHostFunc('(i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__invoke_iiiii(...)),
- 'invoke_v' => makeHostFunc('(i32) -> ()', hostFunc__env__invoke_v(...)),
- 'invoke_ii' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env__invoke_ii(...)),
- '_abort_js' => makeHostFunc('() -> ()', hostFunc__env___abort_js(...)),
- 'exit' => makeHostFunc('(i32) -> ()', hostFunc__env__exit(...)),
- 'invoke_viii' => makeHostFunc('(i32, i32, i32, i32) -> ()', hostFunc__env__invoke_viii(...)),
- 'invoke_vii' => makeHostFunc('(i32, i32, i32) -> ()', hostFunc__env__invoke_vii(...)),
- 'invoke_vi' => makeHostFunc('(i32, i32) -> ()', hostFunc__env__invoke_vi(...)),
- 'invoke_i' => makeHostFunc('(i32) -> (i32)', hostFunc__env__invoke_i(...)),
- 'invoke_iiiiiii' => makeHostFunc('(i32, i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__invoke_iiiiiii(...)),
- 'invoke_iiii' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env__invoke_iiii(...)),
- '__assert_fail' => makeHostFunc('(i32, i32, i32, i32) -> ()', hostFunc__env____assert_fail(...)),
- 'invoke_viiii' => makeHostFunc('(i32, i32, i32, i32, i32) -> ()', hostFunc__env__invoke_viiii(...)),
- 'invoke_viiiii' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> ()', hostFunc__env__invoke_viiiii(...)),
- 'invoke_iiiiii' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__invoke_iiiiii(...)),
- 'invoke_iiiiiiiiii' => makeHostFunc('(i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__invoke_iiiiiiiiii(...)),
- 'strftime' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env__strftime(...)),
- 'getaddrinfo' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env__getaddrinfo(...)),
- 'posix_spawnp' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__posix_spawnp(...)),
- 'getdtablesize' => makeHostFunc('() -> (i32)', hostFunc__env__getdtablesize(...)),
- 'getprotobyname' => makeHostFunc('(i32) -> (i32)', hostFunc__env__getprotobyname(...)),
- 'getprotobynumber' => makeHostFunc('(i32) -> (i32)', hostFunc__env__getprotobynumber(...)),
- 'strptime' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env__strptime(...)),
- 'getnameinfo' => makeHostFunc('(i32, i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env__getnameinfo(...)),
- 'invoke_viidii' => makeHostFunc('(i32, i32, i32, f64, i32, i32) -> ()', hostFunc__env__invoke_viidii(...)),
- 'getcontext' => makeHostFunc('(i32) -> (i32)', hostFunc__env__getcontext(...)),
- 'makecontext' => makeHostFunc('(i32, i32, i32, i32) -> ()', hostFunc__env__makecontext(...)),
- 'swapcontext' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env__swapcontext(...)),
- '__syscall_fcntl64' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_fcntl64(...)),
- '__syscall_ioctl' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_ioctl(...)),
- '__syscall_faccessat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_faccessat(...)),
- '__syscall_chdir' => makeHostFunc('(i32) -> (i32)', hostFunc__env____syscall_chdir(...)),
- '__syscall_chmod' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env____syscall_chmod(...)),
- '__syscall_fchownat' => makeHostFunc('(i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_fchownat(...)),
- '__syscall_dup' => makeHostFunc('(i32) -> (i32)', hostFunc__env____syscall_dup(...)),
- '_emscripten_memcpy_js' => makeHostFunc('(i32, i32, i32) -> ()', hostFunc__env___emscripten_memcpy_js(...)),
- 'emscripten_date_now' => makeHostFunc('() -> (f64)', hostFunc__env__emscripten_date_now(...)),
- 'emscripten_get_now' => makeHostFunc('() -> (f64)', hostFunc__env__emscripten_get_now(...)),
- '__syscall_fdatasync' => makeHostFunc('(i32) -> (i32)', hostFunc__env____syscall_fdatasync(...)),
- '__syscall_openat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_openat(...)),
- '__syscall_fstat64' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env____syscall_fstat64(...)),
- '__syscall_stat64' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env____syscall_stat64(...)),
- '__syscall_newfstatat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_newfstatat(...)),
- '__syscall_lstat64' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env____syscall_lstat64(...)),
- '__syscall_getcwd' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__env____syscall_getcwd(...)),
- 'emscripten_err' => makeHostFunc('(i32) -> ()', hostFunc__env__emscripten_err(...)),
- '__syscall_mkdirat' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_mkdirat(...)),
- '__syscall_pipe' => makeHostFunc('(i32) -> (i32)', hostFunc__env____syscall_pipe(...)),
- '__syscall_poll' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_poll(...)),
- '_emscripten_runtime_keepalive_clear' => makeHostFunc('() -> ()', hostFunc__env___emscripten_runtime_keepalive_clear(...)),
- '__call_sighandler' => makeHostFunc('(i32, i32) -> ()', hostFunc__env____call_sighandler(...)),
- '__syscall_getdents64' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_getdents64(...)),
- '__syscall_readlinkat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_readlinkat(...)),
- '__syscall_renameat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_renameat(...)),
- '__syscall_rmdir' => makeHostFunc('(i32) -> (i32)', hostFunc__env____syscall_rmdir(...)),
- '__syscall__newselect' => makeHostFunc('(i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall__newselect(...)),
- '_setitimer_js' => makeHostFunc('(i32, f64) -> (i32)', hostFunc__env___setitimer_js(...)),
- '__syscall_statfs64' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_statfs64(...)),
- '__syscall_symlinkat' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_symlinkat(...)),
- 'emscripten_get_heap_max' => makeHostFunc('() -> (i32)', hostFunc__env__emscripten_get_heap_max(...)),
- '_tzset_js' => makeHostFunc('(i32, i32, i32) -> ()', hostFunc__env___tzset_js(...)),
- '__syscall_unlinkat' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_unlinkat(...)),
- '__syscall_utimensat' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_utimensat(...)),
- 'emscripten_resize_heap' => makeHostFunc('(i32) -> (i32)', hostFunc__env__emscripten_resize_heap(...)),
- '_emscripten_throw_longjmp' => makeHostFunc('() -> ()', hostFunc__env___emscripten_throw_longjmp(...)),
- '__syscall_accept4' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_accept4(...)),
- '__syscall_bind' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_bind(...)),
- '__syscall_connect' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_connect(...)),
- '_emscripten_lookup_name' => makeHostFunc('(i32) -> (i32)', hostFunc__env___emscripten_lookup_name(...)),
- '__syscall_getpeername' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_getpeername(...)),
- '__syscall_getsockname' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_getsockname(...)),
- '__syscall_getsockopt' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_getsockopt(...)),
- '__syscall_listen' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_listen(...)),
- '__syscall_recvfrom' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_recvfrom(...)),
- '__syscall_sendto' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_sendto(...)),
- '__syscall_socket' => makeHostFunc('(i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env____syscall_socket(...)),
- '__syscall_ftruncate64' => makeHostFunc('(i32, i32, i32) -> (i32)', hostFunc__env____syscall_ftruncate64(...)),
- '_mktime_js' => makeHostFunc('(i32) -> (i32)', hostFunc__env___mktime_js(...)),
- '_localtime_js' => makeHostFunc('(i32, i32, i32) -> ()', hostFunc__env___localtime_js(...)),
- '_gmtime_js' => makeHostFunc('(i32, i32, i32) -> ()', hostFunc__env___gmtime_js(...)),
- '_munmap_js' => makeHostFunc('(i32, i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env___munmap_js(...)),
- '_mmap_js' => makeHostFunc('(i32, i32, i32, i32, i32, i32, i32, i32) -> (i32)', hostFunc__env___mmap_js(...)),
- ],
- 'wasi_snapshot_preview1' => [
- 'environ_sizes_get' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__environ_sizes_get(...)),
- 'environ_get' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__environ_get(...)),
- 'fd_close' => makeHostFunc('(i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_close(...)),
- 'fd_read' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_read(...)),
- 'fd_write' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_write(...)),
- 'proc_exit' => makeHostFunc('(i32) -> ()', hostFunc__wasi_snapshot_preview1__proc_exit(...)),
- 'fd_sync' => makeHostFunc('(i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_sync(...)),
- 'fd_fdstat_get' => makeHostFunc('(i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_fdstat_get(...)),
- 'clock_time_get' => makeHostFunc('(i32, i32, i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__clock_time_get(...)),
- 'fd_seek' => makeHostFunc('(i32, i32, i32, i32, i32) -> (i32)', hostFunc__wasi_snapshot_preview1__fd_seek(...)),
- ],
-];
-
-$store = Store::empty();
-$linker = new Linker($store);
-
-foreach ($imports as $moduleName => $moduleImports) {
- foreach ($moduleImports as $importName => $import) {
- $linker->register($moduleName, $importName, $import);
- }
-}
+$linker = require_once __DIR__ . '/emscripten_bridge.php';
$runtime = Runtime::instantiate($module, $linker);
$codePtr = allocateStringOnWasmMemory($runtime, strtr(PHP_HELLO_WORLD, ['%DIR%' => __DIR__]));
@@ -139,1310 +24,3 @@ $results = $runtime->invoke("php_wasm_run", [$codePtr]);
\assert(\count($results) === 1);
$exitCode = $results[0];
\assert(\is_int($exitCode));
-
-function allocateStringOnWasmMemory(Runtime $runtime, string $str): int
-{
- // Plus 1 for the null terminator in C.
- $size = \strlen($str) + 1;
- $outPtr = _emscripten_stack_alloc($runtime, $size);
- copyStringToWasmMemory($runtime, $outPtr, $str);
- return $outPtr;
-}
-
-function _emscripten_stack_alloc(Runtime $runtime, int $size): int
-{
- $results = $runtime->invoke("_emscripten_stack_alloc", [$size]);
- \assert(\count($results) === 1);
- $result = $results[0];
- \assert(\is_int($result));
- return $result;
-}
-
-function emscripten_stack_get_current(Runtime $runtime): int
-{
- $results = $runtime->invoke("emscripten_stack_get_current", []);
- \assert(\count($results) === 1);
- $result = $results[0];
- \assert(\is_int($result));
- return $result;
-}
-
-function copyStringToWasmMemory(Runtime $runtime, int $dst, string $src): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- for ($i = 0; $i < \strlen($src); $i++) {
- $ok = $mem->storeByte($dst + $i, \ord($src[$i]));
- \assert($ok);
- }
- // Terminate the string with a null byte for interoperation with C.
- $ok = $mem->storeByte($dst + \strlen($src), 0);
- \assert($ok);
-}
-
-function makeHostFunc(string $typeDef, callable $fn): Externs\Func
-{
- $stringToType = fn (string $s) => match ($s) {
- 'i32' => ValType::I32,
- 'i64' => ValType::I64,
- 'f32' => ValType::F32,
- 'f64' => ValType::F64,
- default => throw new \RuntimeException('Invalid type: ' . $s),
- };
- preg_match('/^\(([^)]*)\) -> \(([^)]*)\)$/', $typeDef, $matches);
- $paramsDef = $matches[1];
- $resultsDef = $matches[2];
- $params = array_map($stringToType, $paramsDef === '' ? [] : explode(', ', $paramsDef));
- $results = array_map($stringToType, $resultsDef === '' ? [] : explode(', ', $resultsDef));
- $type = new FuncType($params, $results);
- return Extern::Func(FuncInst::Host($type, $fn));
-}
-
-function getWasmTableEntry(Runtime $runtime, int $funcPtr): int
-{
- static $wasmTable = null;
-
- if ($wasmTable === null) {
- $wasmTable = $runtime->getExportedTable('__indirect_function_table');
- \assert($wasmTable !== null);
- }
-
- $func = $wasmTable->elem[$funcPtr] ?? null;
- \assert($func instanceof Refs\RefFunc, "Expected RefFunc, but got " . \get_class($func));
- return $func->addr;
-}
-
-function syscallGetStr(Runtime $runtime, int $ptr): string
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $str = '';
- for ($i = $ptr; $mem->loadByte($i) !== 0; $i++) {
- $c = $mem->loadByte($i);
- \assert($c !== null);
- $str .= \chr($c);
- }
- return $str;
-}
-
-function stringToUTF8(Runtime $runtime, string $s, int $ptr, $len): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- for ($i = 0; $i < $len; $i++) {
- if ($i < \strlen($s)) {
- $mem->storeByte($ptr + $i, \ord($s[$i]));
- } else {
- $mem->storeByte($ptr + $i, 0);
- }
- }
-}
-
-function heap8Write(Runtime $runtime, int $ptr, int $value): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI32_s8($ptr, $value);
-}
-
-function heap16Write(Runtime $runtime, int $ptr, int $value): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI32_s16($ptr, $value);
-}
-
-function heap32Write(Runtime $runtime, int $ptr, int $value): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI32_s32($ptr, $value);
-}
-
-function heapU32Write(Runtime $runtime, int $ptr, int $value): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI32_s32($ptr, $value);
-}
-
-function heap64Write(Runtime $runtime, int $ptr, int $value): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI64_s64($ptr, $value);
-}
-
-function syscallDoStat(Runtime $runtime, callable $func, string $path, int $buf): void
-{
- $stat = $func($path);
-
- heap32Write($runtime, $buf, $stat->dev);
- heap32Write($runtime, $buf + 4, $stat->mode);
- heapU32Write($runtime, $buf + 8, $stat->nlink);
- heap32Write($runtime, $buf + 12, $stat->uid);
- heap32Write($runtime, $buf + 16, $stat->gid);
- heap32Write($runtime, $buf + 20, $stat->rdev);
- heap64Write($runtime, $buf + 24, $stat->size);
- heap32Write($runtime, $buf + 32, 4096);
- heap32Write($runtime, $buf + 36, $stat->blocks);
- $atime = $stat->atime;
- heap64Write($runtime, $buf + 40, $atime);
- heapU32Write($runtime, $buf + 48, ($atime % 1000) * 1000);
- $mtime = $stat->mtime;
- heap64Write($runtime, $buf + 56, $mtime);
- heapU32Write($runtime, $buf + 64, ($mtime % 1000) * 1000);
- $ctime = $stat->ctime;
- heap64Write($runtime, $buf + 72, $ctime);
- heapU32Write($runtime, $buf + 80, ($ctime % 1000) * 1000);
- heap64Write($runtime, $buf + 88, $stat->ino);
-}
-
-function syscallCalculateAt(Runtime $runtime, int $dirfd, string $path): string
-{
- if ($path[0] === '/') {
- return $path;
- }
- if ($dirfd === -100) {
- $dir = getcwd();
- \assert($dir !== false);
- } else {
- throw new \RuntimeException("syscallCalculateAt: not implemented ($dirfd)");
- }
- if ($path === '.') {
- return $dir;
- } else {
- return $dir . '/' . $path;
- }
-}
-
-function fsStat(string $path, bool $dontFollow): object
-{
- if ($path === 'php://stdin') {
- return (object)[
- 'dev' => 0,
- 'mode' => 0,
- 'nlink' => 0,
- 'uid' => 0,
- 'gid' => 0,
- 'rdev' => 0,
- 'size' => 0,
- 'blocks' => 0,
- 'ino' => 0,
- 'atime' => 0,
- 'mtime' => 0,
- 'ctime' => 0,
- ];
- } elseif ($path === 'php://stdout') {
- return (object)[
- 'dev' => 0,
- 'mode' => 0,
- 'nlink' => 0,
- 'uid' => 0,
- 'gid' => 0,
- 'rdev' => 0,
- 'size' => 0,
- 'blocks' => 0,
- 'ino' => 1,
- 'atime' => 0,
- 'mtime' => 0,
- 'ctime' => 0,
- ];
- } elseif ($path === 'php://stderr') {
- return (object)[
- 'dev' => 0,
- 'mode' => 0,
- 'nlink' => 0,
- 'uid' => 0,
- 'gid' => 0,
- 'rdev' => 0,
- 'size' => 0,
- 'blocks' => 0,
- 'ino' => 2,
- 'atime' => 0,
- 'mtime' => 0,
- 'ctime' => 0,
- ];
- }
-
- $phpStat = $dontFollow ? lstat($path) : stat($path);
- \assert($phpStat !== false);
- return (object)[
- 'dev' => $phpStat['dev'],
- 'mode' => $phpStat['mode'],
- 'nlink' => $phpStat['nlink'],
- 'uid' => $phpStat['uid'],
- 'gid' => $phpStat['gid'],
- 'rdev' => $phpStat['rdev'],
- 'size' => $phpStat['size'],
- 'blocks' => $phpStat['blocks'],
- 'ino' => $phpStat['ino'],
- 'atime' => $phpStat['atime'] * 1000,
- 'mtime' => $phpStat['mtime'] * 1000,
- 'ctime' => $phpStat['ctime'] * 1000,
- ];
-}
-
-function fsLstat(string $path): object
-{
- return fsStat($path, true);
-}
-
-final class VFile
-{
- public ?array $getdents = null;
-
- /**
- * @param resource $fp
- */
- public function __construct(
- public readonly int $fd,
- public readonly mixed $fp,
- public readonly int $flags,
- public readonly string $path,
- ) {
- }
-
- public function seek(int $offset, int $whence): int
- {
- if ($whence === 0) {
- fseek($this->fp, $offset, SEEK_SET);
- } elseif ($whence === 1) {
- fseek($this->fp, $offset, SEEK_CUR);
- } elseif ($whence === 2) {
- fseek($this->fp, $offset, SEEK_END);
- } else {
- throw new \RuntimeException("VFile::seek: invalid whence");
- }
- $pos = ftell($this->fp);
- return $pos === false ? 0 : $pos;
- }
-
- public function read(Runtime $runtime, int $len): string
- {
- return fread($this->fp, $len);
- }
-
- public function close(): void
- {
- fclose($this->fp);
- }
-}
-
-function fsOpen(string $path, int $flags, int $mode): ?int
-{
- global $fdTable;
- if (!isset($fdTable)) {
- $fdTable = [];
- }
- $fp = @fopen($path, 'r');
- if ($fp === false) {
- return null;
- }
- $nextFd = \count($fdTable) + 10;
- $fdTable[$nextFd] = new VFile(
- $nextFd,
- $fp,
- $flags,
- $path,
- );
- return $nextFd;
-}
-
-function fsDup(int $fd): ?int
-{
- global $fdTable;
- if (!isset($fdTable)) {
- return null;
- }
- $nextFd = \count($fdTable) + 10;
- if ($fd === 0) {
- $fp = fopen('php://stdin', 'r');
- $fdTable[$nextFd] = new VFile(
- $nextFd,
- $fp,
- 0,
- 'php://stdin',
- );
- } elseif ($fd === 1) {
- $fp = fopen('php://stdout', 'w');
- $fdTable[$nextFd] = new VFile(
- $nextFd,
- $fp,
- 0,
- 'php://stdout',
- );
- } elseif ($fd === 2) {
- $fp = fopen('php://stderr', 'w');
- $fdTable[$nextFd] = new VFile(
- $nextFd,
- $fp,
- 0,
- 'php://stderr',
- );
- } else {
- $file = $fdTable[$fd];
- $fp = $file->fp;
- $fdTable[$nextFd] = new VFile(
- $nextFd,
- $fp,
- $file->flags,
- $file->path,
- );
- }
- return $nextFd;
-}
-
-function fsGetVFileFromFd(int $fd): ?VFile
-{
- global $fdTable;
- return $fdTable[$fd] ?? null;
-}
-
-function fsGetPathFromFd(int $fd): ?string
-{
- return fsGetVFileFromFd($fd)?->path;
-}
-
-function fsGetFpFromFd(int $fd): mixed
-{
- return fsGetVFileFromFd($fd)?->fp;
-}
-
-function fsGetFlagsFromFd(int $fd): ?int
-{
- return fsGetVFileFromFd($fd)?->flags;
-}
-
-function fsReaddir(string $p): array
-{
- $dir = opendir($p);
- $entries = [];
- while (($entry = readdir($dir)) !== false) {
- $entries[] = $entry;
- }
- closedir($dir);
- return $entries;
-}
-
-function fsLookupParentPath(string $p): string
-{
- return realpath($p . '/..');
-}
-
-function fsLookupChild(string $p, string $c): string
-{
- return realpath($p . '/' . $c);
-}
-
-function alignMemory(int $size, int $alignment): int
-{
- return (int)ceil($size / $alignment) * $alignment;
-}
-
-function _emscripten_builtin_memalign(Runtime $runtime, int $alignment, int $size): int
-{
- $results = $runtime->invoke("emscripten_builtin_memalign", [$alignment, $size]);
- \assert(\count($results) === 1);
- $result = $results[0];
- \assert(\is_int($result));
- return $result;
-}
-
-function zeroMemory(Runtime $runtime, int $ptr, int $len): int
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- for ($i = 0; $i < $len; $i++) {
- $mem->storeByte($ptr + $i, 0);
- }
- return $ptr;
-}
-
-function mmapAlloc(Runtime $runtime, int $len): int
-{
- $len = alignMemory($len, 65536);
- $ptr = _emscripten_builtin_memalign($runtime, 65536, $len);
- if ($ptr === 0) {
- return 0;
- }
- return zeroMemory($runtime, $ptr, $len);
-}
-
-function fsMmap(Runtime $runtime, int $fd, int $len, int $offset, int $prot, int $flags): array
-{
- global $fdTable;
- if (!isset($fdTable[$fd])) {
- throw new \RuntimeException("fsMmap: invalid fd");
- }
- $file = $fdTable[$fd];
-
- $buf = stream_get_contents($file->fp);
-
- $ptr = mmapAlloc($runtime, $len);
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- for ($i = 0; $i < $len; $i++) {
- $mem->storeByte($ptr + $i, \ord($buf[$i]));
- }
-
- return [$ptr, 1];
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iii(Runtime $runtime, int $index, int $a1, int $a2): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iiiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32) -> ()
-function hostFunc__env__invoke_v(Runtime $runtime, int $index): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env__invoke_ii(Runtime $runtime, int $index, int $a1): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: () -> ()
-function hostFunc__env___abort_js(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_abort_js: not implemented');
-}
-
-// Type: (i32) -> ()
-function hostFunc__env__exit(Runtime $runtime): void
-{
- throw new \RuntimeException('env::exit: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> ()
-function hostFunc__env__invoke_viii(Runtime $runtime, int $index, int $a1, int $a2, int $a3): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32, i32) -> ()
-function hostFunc__env__invoke_vii(Runtime $runtime, int $index, int $a1, int $a2): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32) -> ()
-function hostFunc__env__invoke_vi(Runtime $runtime, int $index, int $a1): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env__invoke_i(Runtime $runtime, int $index): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iiiiiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4, int $a5, int $a6): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->stack->pushValue($a5);
- $runtime->stack->pushValue($a6);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32, i32, i32) -> ()
-function hostFunc__env____assert_fail(Runtime $runtime, int $index, int $a1, int $a2, int $a3): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32, i32, i32, i32) -> ()
-function hostFunc__env__invoke_viiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> ()
-function hostFunc__env__invoke_viiiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4, int $a5): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->stack->pushValue($a5);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iiiiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4, int $a5): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->stack->pushValue($a5);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32, i32, i32, i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__invoke_iiiiiiiiii(Runtime $runtime, int $index, int $a1, int $a2, int $a3, int $a4, int $a5, int $a6, int $a7, int $a8, int $a9): int
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->stack->pushValue($a5);
- $runtime->stack->pushValue($a6);
- $runtime->stack->pushValue($a7);
- $runtime->stack->pushValue($a8);
- $runtime->stack->pushValue($a9);
- $runtime->invokeByFuncAddr($func);
- return $runtime->stack->popInt();
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env__strftime(Runtime $runtime): void
-{
- throw new \RuntimeException('env::strftime: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env__getaddrinfo(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getaddrinfo: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__posix_spawnp(Runtime $runtime): void
-{
- throw new \RuntimeException('env::posix_spawnp: not implemented');
-}
-
-// Type: () -> (i32)
-function hostFunc__env__getdtablesize(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getdtablesize: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env__getprotobyname(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getprotobyname: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env__getprotobynumber(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getprotobynumber: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env__strptime(Runtime $runtime): void
-{
- throw new \RuntimeException('env::strptime: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env__getnameinfo(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getnameinfo: not implemented');
-}
-
-// Type: (i32, i32, i32, f64, i32, i32) -> ()
-function hostFunc__env__invoke_viidii(Runtime $runtime, int $index, int $a1, int $a2, float $a3, int $a4, int $a5): void
-{
- $sp = emscripten_stack_get_current($runtime);
- $func = getWasmTableEntry($runtime, $index);
- $runtime->stack->pushValue($a1);
- $runtime->stack->pushValue($a2);
- $runtime->stack->pushValue($a3);
- $runtime->stack->pushValue($a4);
- $runtime->stack->pushValue($a5);
- $runtime->invokeByFuncAddr($func);
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env__getcontext(Runtime $runtime): void
-{
- throw new \RuntimeException('env::getcontext: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> ()
-function hostFunc__env__makecontext(Runtime $runtime): void
-{
- throw new \RuntimeException('env::makecontext: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env__swapcontext(Runtime $runtime): void
-{
- throw new \RuntimeException('env::swapcontext: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__environ_sizes_get(Runtime $runtime): void
-{
- throw new \RuntimeException('wasi_snapshot_preview1::environ_sizes_get: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__environ_get(Runtime $runtime): void
-{
- throw new \RuntimeException('wasi_snapshot_preview1::environ_get: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_fcntl64(Runtime $runtime, int $fd, int $cmd, int $varargs): int
-{
- switch ($cmd) {
- case 0:
- throw new \RuntimeException("env::__syscall_fcntl64: command $cmd not implemented");
- case 1:
- case 2:
- return 0;
- case 3:
- return fsGetFlagsFromFd($fd);
- case 4:
- throw new \RuntimeException("env::__syscall_fcntl64: command $cmd not implemented");
- case 5:
- throw new \RuntimeException("env::__syscall_fcntl64: command $cmd not implemented");
- case 6:
- case 7:
- return 0;
- case 16:
- case 8:
- return -28;
- case 9:
- // setErrno(28);
- return -1;
- default:
- return -28;
- }
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_ioctl(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_ioctl: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_close(Runtime $runtime, int $fd): int
-{
- if ($fd === -1) {
- // should report an error?
- return 0;
- }
- $file = fsGetVFileFromFd($fd);
- \assert($file !== null);
- $file->close();
- return 0;
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_read(Runtime $runtime, int $fd, int $iov, int $iovcnt, int $pnum): int
-{
- $file = fsGetVFileFromFd($fd);
- \assert($file !== null);
-
- // struct iov {
- // ptr: u32, pointer to the data
- // len: u32
- // }
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
-
- $nRead = 0;
- for ($i = 0; $i < $iovcnt; $i++) {
- $ptr = $mem->loadI32_s32($iov + $i * 8);
- \assert($ptr !== null);
- $len = $mem->loadI32_s32($iov + $i * 8 + 4);
- \assert($len !== null);
- $buf = $file->read($runtime, $len);
- if ($buf === false) {
- $nRead = -1;
- break;
- }
- $curr = \strlen($buf);
- if ($curr <= 0) {
- $nRead = -1;
- break;
- }
- // echo "fd_read(fd=$fd, iov=$iov, iovcnt=$iovcnt, pnum=$pnum) = { p=$ptr, l=$len }\n";
- for ($k = 0; $k < $curr; $k++) {
- $mem->storeByte($ptr + $k, \ord($buf[$k]));
- // echo " [$k] = ord($buf[$k])\n";
- }
- $nRead += $curr;
- if ($curr < $len) {
- break;
- }
- }
-
- $mem->storeI32_s32($pnum, $nRead);
-
- return 0;
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_write(Runtime $runtime, int $fd, int $iov, int $iovcnt, int $pnum): int
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
-
- // struct iov {
- // ptr: u32, pointer to the data
- // len: u32
- // }
- $nWritten = 0;
- for ($i = 0; $i < $iovcnt; $i++) {
- $ptr = $mem->loadI32_s32($iov + $i * 8);
- \assert($ptr !== null);
- $len = $mem->loadI32_s32($iov + $i * 8 + 4);
- // echo "fd_write($iovcnt, $iov) [$i] = { p=$ptr, l=$len };\n";
- \assert($len !== null);
- $buf = '';
- for ($j = 0; $j < $len; $j++) {
- $c = $mem->loadByte($ptr + $j);
- \assert($c !== null);
- $buf .= \chr($c);
- }
- if ($fd === 1) {
- fputs(STDOUT, $buf);
- } else {
- fputs(STDERR, $buf);
- }
- $nWritten += $len;
- }
- $mem->storeI32_s32($pnum, $nWritten);
-
- return 0;
-}
-
-// Type: (i32) -> ()
-function hostFunc__wasi_snapshot_preview1__proc_exit(Runtime $runtime): void
-{
- throw new \RuntimeException('wasi_snapshot_preview1::proc_exit: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_faccessat(Runtime $runtime, int $dirfd, int $path, int $amode, int $flags): int
-{
- $path = syscallGetStr($runtime, $path);
- $path = syscallCalculateAt($runtime, $dirfd, $path);
-
- // Always allow accesses.
- return 0;
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env____syscall_chdir(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_chdir: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env____syscall_chmod(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_chmod: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_fchownat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_fchownat: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env____syscall_dup(Runtime $runtime, int $oldFd): int
-{
- return fsDup($oldFd);
-}
-
-// Type: (i32, i32, i32) -> ()
-function hostFunc__env___emscripten_memcpy_js(Runtime $runtime, int $dest, int $src, int $num): void
-{
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- for ($i = 0; $i < $num; $i++) {
- $byte = $mem->loadByte($src + $i);
- \assert($byte !== null);
- $mem->storeByte($dest + $i, $byte);
- }
-}
-
-// Type: () -> (f64)
-function hostFunc__env__emscripten_date_now(Runtime $runtime): float
-{
- return round(microtime(true) * 1000);
-}
-
-// Type: () -> (f64)
-function hostFunc__env__emscripten_get_now(Runtime $runtime): float
-{
- return round(microtime(true) * 1000);
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env____syscall_fdatasync(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_fdatasync: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_openat(Runtime $runtime, int $dirfd, int $path, int $flags, int $varargs): int
-{
- $path = syscallGetStr($runtime, $path);
- $path = syscallCalculateAt($runtime, $dirfd, $path);
-
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
-
- if ($varargs !== 0) {
- $mode = $mem->loadI32_s32($varargs);
- $varargs += 4;
- } else {
- $mode = 0;
- }
-
- $fd = fsOpen($path, $flags, $mode);
- if ($fd !== null) {
- return $fd;
- } else {
- // no such file
- return -44;
- }
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env____syscall_fstat64(Runtime $runtime, int $fd, int $buf): int
-{
- $path = fsGetPathFromFd($fd);
- \assert($path !== null);
- syscallDoStat($runtime, fn ($path) => fsStat($path, false), $path, $buf);
- return 0;
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env____syscall_stat64(Runtime $runtime, int $path, int $buf): int
-{
- $path = syscallGetStr($runtime, $path);
- syscallDoStat($runtime, fn ($path) => fsStat($path, false), $path, $buf);
- return 0;
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_newfstatat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_newfstatat: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env____syscall_lstat64(Runtime $runtime, int $path, int $buf): int
-{
- $path = syscallGetStr($runtime, $path);
- syscallDoStat($runtime, fsLstat(...), $path, $buf);
- return 0;
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_sync(Runtime $runtime): void
-{
- throw new \RuntimeException('wasi_snapshot_preview1::fd_sync: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__env____syscall_getcwd(Runtime $runtime, int $bufPtr, int $size): int
-{
- if ($size === 0) {
- return -28;
- }
- $cwd = getcwd();
- \assert($cwd !== false);
- $cwdLen = \strlen($cwd) + 1;
- if ($size < $cwdLen) {
- return -68;
- }
- copyStringToWasmMemory($runtime, $bufPtr, $cwd);
- return $cwdLen;
-}
-
-// Type: (i32) -> ()
-function hostFunc__env__emscripten_err(Runtime $runtime): void
-{
- throw new \RuntimeException('env::emscripten_err: not implemented');
-}
-
-// Type: (i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_fdstat_get(Runtime $runtime): void
-{
- throw new \RuntimeException('wasi_snapshot_preview1::fd_fdstat_get: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_mkdirat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_mkdirat: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env____syscall_pipe(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_pipe: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_poll(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_poll: not implemented');
-}
-
-// Type: () -> ()
-function hostFunc__env___emscripten_runtime_keepalive_clear(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_emscripten_runtime_keepalive_clear: not implemented');
-}
-
-// Type: (i32, i32) -> ()
-function hostFunc__env____call_sighandler(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__call_sighandler: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_getdents64(Runtime $runtime, int $fd, int $dirp, int $count): int
-{
- $file = fsGetVFileFromFd($fd);
-
- if ($file->getdents === null) {
- $file->getdents = fsReaddir($file->path);
- }
-
- $struct_size = 280;
- $pos = 0;
- $off = $file->seek(0, 1);
-
- $idx = (int)floor($off / $struct_size);
-
- while ($idx < \count($file->getdents) && $pos + $struct_size <= $count) {
- $name = $file->getdents[$idx];
- if ($name === '.') {
- $id = fsStat($file->path, true)->ino;
- $type = 4;
- } elseif ($name === '..') {
- $lookup = fsLookupParentPath($file->path);
- $id = fsStat($lookup, true)->ino;
- $type = 4;
- } else {
- $child = fsLookupChild($file->path, $name);
- $id = fsStat($child, true)->ino;
- $type = is_dir($child) ? 4 : (is_file($child) ? 8 : 10);
- }
- heap64Write($runtime, $dirp + $pos, $id);
- heap64Write($runtime, $dirp + $pos + 8, ($idx + 1) * $struct_size);
- heap16Write($runtime, $dirp + $pos + 16, $struct_size);
- heap8Write($runtime, $dirp + $pos + 18, $type);
- stringToUTF8($runtime, $name, $dirp + $pos + 19, 256);
- $pos += $struct_size;
- $idx += 1;
- }
- $file->seek($idx * $struct_size, 0);
-
- return $pos;
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_readlinkat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_readlinkat: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_renameat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_renameat: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env____syscall_rmdir(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_rmdir: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall__newselect(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall__newselect: not implemented');
-}
-
-// Type: (i32, f64) -> (i32)
-function hostFunc__env___setitimer_js(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_setitimer_js: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_statfs64(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_statfs64: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_symlinkat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_symlinkat: not implemented');
-}
-
-// Type: () -> (i32)
-function hostFunc__env__emscripten_get_heap_max(Runtime $runtime): void
-{
- throw new \RuntimeException('env::emscripten_get_heap_max: not implemented');
-}
-
-// Type: (i32, i32, i32) -> ()
-function hostFunc__env___tzset_js(Runtime $runtime): void
-{
- // Do nothing ;)
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_unlinkat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_unlinkat: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_utimensat(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_utimensat: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env__emscripten_resize_heap(Runtime $runtime): void
-{
- throw new \RuntimeException('env::emscripten_resize_heap: not implemented');
-}
-
-// Type: () -> ()
-function hostFunc__env___emscripten_throw_longjmp(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_emscripten_throw_longjmp: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_accept4(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_accept4: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_bind(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_bind: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_connect(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_connect: not implemented');
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env___emscripten_lookup_name(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_emscripten_lookup_name: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_getpeername(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_getpeername: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_getsockname(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_getsockname: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_getsockopt(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_getsockopt: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_listen(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_listen: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_recvfrom(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_recvfrom: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_sendto(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_sendto: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_socket(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_socket: not implemented');
-}
-
-// Type: (i32, i32, i32) -> (i32)
-function hostFunc__env____syscall_ftruncate64(Runtime $runtime): void
-{
- throw new \RuntimeException('env::__syscall_ftruncate64: not implemented');
-}
-
-// Type: (i32, i32, i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__clock_time_get(Runtime $runtime, int $clk_id, int $ignored_precision_low, int $ignored_precision_high, int $ptime): int
-{
- if ($clk_id < 0 || 3 < $clk_id) {
- return 28;
- }
- if ($clk_id === 0) {
- $now = hostFunc__env__emscripten_date_now($runtime);
- } else {
- $now = hostFunc__env__emscripten_get_now($runtime);
- }
- $nsec = round($now * 1000 * 1000);
-
- $mem = $runtime->getExportedMemory('memory');
- \assert($mem !== null);
- $mem->storeI32_s32($ptime, $nsec & 0xFFFFFFFF);
- $mem->storeI32_s32($ptime + 4, $nsec >> 32);
-
- return 0;
-}
-
-// Type: (i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__wasi_snapshot_preview1__fd_seek(Runtime $runtime, int $fd, int $offset_low, int $offset_high, int $whence, int $newOffset): int
-{
- $offset = $offset_low + $offset_high * 4294967296;
- $file = fsGetVFileFromFd($fd);
- $pos = $file->seek($offset, $whence);
- heap64Write($runtime, $newOffset, $pos);
-
- return 0;
-}
-
-// Type: (i32) -> (i32)
-function hostFunc__env___mktime_js(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_mktime_js: not implemented');
-}
-
-// Type: (i32, i32, i32) -> ()
-function hostFunc__env___localtime_js(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_localtime_js: not implemented');
-}
-
-// Type: (i32, i32, i32) -> ()
-function hostFunc__env___gmtime_js(Runtime $runtime): void
-{
- throw new \RuntimeException('env::_gmtime_js: not implemented');
-}
-
-// Type: (i32, i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env___munmap_js(Runtime $runtime): int
-{
- // Do nothing.
- return 0;
-}
-
-// Type: (i32, i32, i32, i32, i32, i32, i32, i32) -> (i32)
-function hostFunc__env___mmap_js(Runtime $runtime, int $len, int $prot, int $flags, int $fd, int $offset_low, int $offset_high, int $allocated, int $addr): int
-{
- $offset = $offset_low + $offset_high * 4294967296;
-
- [$resultPtr, $resultAllocated] = fsMmap($runtime, $fd, $len, $offset, $prot, $flags);
- heap32Write($runtime, $allocated, $resultAllocated);
- heapU32Write($runtime, $addr, $resultPtr);
-
- return 0;
-}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-30 23:26:23 +0000