1 //! Contains the common Wasmtime command line interface (CLI) flags. 2 3 use anyhow::Result; 4 use clap::Parser; 5 use std::time::Duration; 6 use wasmtime::Config; 7 8 pub mod opt; 9 10 #[cfg(feature = "logging")] 11 fn init_file_per_thread_logger(prefix: &'static str) { 12 file_per_thread_logger::initialize(prefix); 13 file_per_thread_logger::allow_uninitialized(); 14 15 // Extending behavior of default spawner: 16 // https://docs.rs/rayon/1.1.0/rayon/struct.ThreadPoolBuilder.html#method.spawn_handler 17 // Source code says DefaultSpawner is implementation detail and 18 // shouldn't be used directly. 19 #[cfg(feature = "parallel-compilation")] 20 rayon::ThreadPoolBuilder::new() 21 .spawn_handler(move |thread| { 22 let mut b = std::thread::Builder::new(); 23 if let Some(name) = thread.name() { 24 b = b.name(name.to_owned()); 25 } 26 if let Some(stack_size) = thread.stack_size() { 27 b = b.stack_size(stack_size); 28 } 29 b.spawn(move || { 30 file_per_thread_logger::initialize(prefix); 31 thread.run() 32 })?; 33 Ok(()) 34 }) 35 .build_global() 36 .unwrap(); 37 } 38 39 wasmtime_option_group! { 40 #[derive(PartialEq, Clone)] 41 pub struct OptimizeOptions { 42 /// Optimization level of generated code (0-2, s; default: 2) 43 pub opt_level: Option<wasmtime::OptLevel>, 44 45 /// Byte size of the guard region after dynamic memories are allocated 46 pub dynamic_memory_guard_size: Option<u64>, 47 48 /// Force using a "static" style for all wasm memories 49 pub static_memory_forced: Option<bool>, 50 51 /// Maximum size in bytes of wasm memory before it becomes dynamically 52 /// relocatable instead of up-front-reserved. 53 pub static_memory_maximum_size: Option<u64>, 54 55 /// Byte size of the guard region after static memories are allocated 56 pub static_memory_guard_size: Option<u64>, 57 58 /// Bytes to reserve at the end of linear memory for growth for dynamic 59 /// memories. 60 pub dynamic_memory_reserved_for_growth: Option<u64>, 61 62 /// Indicates whether an unmapped region of memory is placed before all 63 /// linear memories. 64 pub guard_before_linear_memory: Option<bool>, 65 66 /// Whether to initialize tables lazily, so that instantiation is 67 /// fast but indirect calls are a little slower. If no, tables are 68 /// initialized eagerly from any active element segments that apply to 69 /// them during instantiation. (default: yes) 70 pub table_lazy_init: Option<bool>, 71 72 /// Enable the pooling allocator, in place of the on-demand allocator. 73 pub pooling_allocator: Option<bool>, 74 75 /// The number of decommits to do per batch. A batch size of 1 76 /// effectively disables decommit batching. (default: 1) 77 pub pooling_decommit_batch_size: Option<u32>, 78 79 /// How many bytes to keep resident between instantiations for the 80 /// pooling allocator in linear memories. 81 pub pooling_memory_keep_resident: Option<usize>, 82 83 /// How many bytes to keep resident between instantiations for the 84 /// pooling allocator in tables. 85 pub pooling_table_keep_resident: Option<usize>, 86 87 /// Enable memory protection keys for the pooling allocator; this can 88 /// optimize the size of memory slots. 89 pub memory_protection_keys: Option<bool>, 90 91 /// Configure attempting to initialize linear memory via a 92 /// copy-on-write mapping (default: yes) 93 pub memory_init_cow: Option<bool>, 94 95 /// The maximum number of WebAssembly instances which can be created 96 /// with the pooling allocator. 97 pub pooling_total_core_instances: Option<u32>, 98 99 /// The maximum number of WebAssembly components which can be created 100 /// with the pooling allocator. 101 pub pooling_total_component_instances: Option<u32>, 102 103 /// The maximum number of WebAssembly memories which can be created with 104 /// the pooling allocator. 105 pub pooling_total_memories: Option<u32>, 106 107 /// The maximum number of WebAssembly tables which can be created with 108 /// the pooling allocator. 109 pub pooling_total_tables: Option<u32>, 110 111 /// The maximum number of WebAssembly stacks which can be created with 112 /// the pooling allocator. 113 pub pooling_total_stacks: Option<u32>, 114 115 /// The maximum runtime size of each linear memory in the pooling 116 /// allocator, in bytes. 117 pub pooling_max_memory_size: Option<usize>, 118 119 /// Whether to enable call-indirect caching. 120 pub cache_call_indirects: Option<bool>, 121 122 /// The maximum call-indirect cache slot count. 123 /// 124 /// One slot is allocated per indirect callsite; if the module 125 /// has more indirect callsites than this limit, then the 126 /// first callsites in linear order in the code section, up to 127 /// the limit, will receive a cache slot. 128 pub max_call_indirect_cache_slots: Option<usize>, 129 } 130 131 enum Optimize { 132 ... 133 } 134 } 135 136 wasmtime_option_group! { 137 #[derive(PartialEq, Clone)] 138 pub struct CodegenOptions { 139 /// Either `cranelift` or `winch`. 140 /// 141 /// Currently only `cranelift` and `winch` are supported, but not all 142 /// builds of Wasmtime have both built in. 143 pub compiler: Option<wasmtime::Strategy>, 144 /// Enable Cranelift's internal debug verifier (expensive) 145 pub cranelift_debug_verifier: Option<bool>, 146 /// Whether or not to enable caching of compiled modules. 147 pub cache: Option<bool>, 148 /// Configuration for compiled module caching. 149 pub cache_config: Option<String>, 150 /// Whether or not to enable parallel compilation of modules. 151 pub parallel_compilation: Option<bool>, 152 /// Whether to enable proof-carrying code (PCC)-based validation. 153 pub pcc: Option<bool>, 154 155 #[prefixed = "cranelift"] 156 /// Set a cranelift-specific option. Use `wasmtime settings` to see 157 /// all. 158 pub cranelift: Vec<(String, Option<String>)>, 159 } 160 161 enum Codegen { 162 ... 163 } 164 } 165 166 wasmtime_option_group! { 167 #[derive(PartialEq, Clone)] 168 pub struct DebugOptions { 169 /// Enable generation of DWARF debug information in compiled code. 170 pub debug_info: Option<bool>, 171 /// Configure whether compiled code can map native addresses to wasm. 172 pub address_map: Option<bool>, 173 /// Configure whether logging is enabled. 174 pub logging: Option<bool>, 175 /// Configure whether logs are emitted to files 176 pub log_to_files: Option<bool>, 177 /// Enable coredump generation to this file after a WebAssembly trap. 178 pub coredump: Option<String>, 179 } 180 181 enum Debug { 182 ... 183 } 184 } 185 186 wasmtime_option_group! { 187 #[derive(PartialEq, Clone)] 188 pub struct WasmOptions { 189 /// Enable canonicalization of all NaN values. 190 pub nan_canonicalization: Option<bool>, 191 /// Enable execution fuel with N units fuel, trapping after running out 192 /// of fuel. 193 /// 194 /// Most WebAssembly instructions consume 1 unit of fuel. Some 195 /// instructions, such as `nop`, `drop`, `block`, and `loop`, consume 0 196 /// units, as any execution cost associated with them involves other 197 /// instructions which do consume fuel. 198 pub fuel: Option<u64>, 199 /// Yield when a global epoch counter changes, allowing for async 200 /// operation without blocking the executor. 201 pub epoch_interruption: Option<bool>, 202 /// Maximum stack size, in bytes, that wasm is allowed to consume before a 203 /// stack overflow is reported. 204 pub max_wasm_stack: Option<usize>, 205 /// Allow unknown exports when running commands. 206 pub unknown_exports_allow: Option<bool>, 207 /// Allow the main module to import unknown functions, using an 208 /// implementation that immediately traps, when running commands. 209 pub unknown_imports_trap: Option<bool>, 210 /// Allow the main module to import unknown functions, using an 211 /// implementation that returns default values, when running commands. 212 pub unknown_imports_default: Option<bool>, 213 /// Enables memory error checking. (see wmemcheck.md for more info) 214 pub wmemcheck: Option<bool>, 215 /// Maximum size, in bytes, that a linear memory is allowed to reach. 216 /// 217 /// Growth beyond this limit will cause `memory.grow` instructions in 218 /// WebAssembly modules to return -1 and fail. 219 pub max_memory_size: Option<usize>, 220 /// Maximum size, in table elements, that a table is allowed to reach. 221 pub max_table_elements: Option<u32>, 222 /// Maximum number of WebAssembly instances allowed to be created. 223 pub max_instances: Option<usize>, 224 /// Maximum number of WebAssembly tables allowed to be created. 225 pub max_tables: Option<usize>, 226 /// Maximum number of WebAssembly linear memories allowed to be created. 227 pub max_memories: Option<usize>, 228 /// Force a trap to be raised on `memory.grow` and `table.grow` failure 229 /// instead of returning -1 from these instructions. 230 /// 231 /// This is not necessarily a spec-compliant option to enable but can be 232 /// useful for tracking down a backtrace of what is requesting so much 233 /// memory, for example. 234 pub trap_on_grow_failure: Option<bool>, 235 /// Maximum execution time of wasm code before timing out (1, 2s, 100ms, etc) 236 pub timeout: Option<Duration>, 237 /// Configures support for all WebAssembly proposals implemented. 238 pub all_proposals: Option<bool>, 239 /// Configure support for the bulk memory proposal. 240 pub bulk_memory: Option<bool>, 241 /// Configure support for the multi-memory proposal. 242 pub multi_memory: Option<bool>, 243 /// Configure support for the multi-value proposal. 244 pub multi_value: Option<bool>, 245 /// Configure support for the reference-types proposal. 246 pub reference_types: Option<bool>, 247 /// Configure support for the simd proposal. 248 pub simd: Option<bool>, 249 /// Configure support for the relaxed-simd proposal. 250 pub relaxed_simd: Option<bool>, 251 /// Configure forcing deterministic and host-independent behavior of 252 /// the relaxed-simd instructions. 253 /// 254 /// By default these instructions may have architecture-specific behavior as 255 /// allowed by the specification, but this can be used to force the behavior 256 /// of these instructions to match the deterministic behavior classified in 257 /// the specification. Note that enabling this option may come at a 258 /// performance cost. 259 pub relaxed_simd_deterministic: Option<bool>, 260 /// Configure support for the tail-call proposal. 261 pub tail_call: Option<bool>, 262 /// Configure support for the threads proposal. 263 pub threads: Option<bool>, 264 /// Configure support for the memory64 proposal. 265 pub memory64: Option<bool>, 266 /// Configure support for the component-model proposal. 267 pub component_model: Option<bool>, 268 /// Configure support for the function-references proposal. 269 pub function_references: Option<bool>, 270 /// Configure support for the GC proposal. 271 pub gc: Option<bool>, 272 } 273 274 enum Wasm { 275 ... 276 } 277 } 278 279 wasmtime_option_group! { 280 #[derive(PartialEq, Clone)] 281 pub struct WasiOptions { 282 /// Enable support for WASI CLI APIs, including filesystems, sockets, clocks, and random. 283 pub cli: Option<bool>, 284 /// Deprecated alias for `cli` 285 pub common: Option<bool>, 286 /// Enable support for WASI neural network API (experimental) 287 pub nn: Option<bool>, 288 /// Enable support for WASI threading API (experimental) 289 pub threads: Option<bool>, 290 /// Enable support for WASI HTTP API (experimental) 291 pub http: Option<bool>, 292 /// Inherit environment variables and file descriptors following the 293 /// systemd listen fd specification (UNIX only) 294 pub listenfd: Option<bool>, 295 /// Grant access to the given TCP listen socket 296 pub tcplisten: Vec<String>, 297 /// Implement WASI CLI APIs with preview2 primitives (experimental). 298 /// 299 /// Indicates that the implementation of WASI preview1 should be backed by 300 /// the preview2 implementation for components. 301 /// 302 /// This will become the default in the future and this option will be 303 /// removed. For now this is primarily here for testing. 304 pub preview2: Option<bool>, 305 /// Pre-load machine learning graphs (i.e., models) for use by wasi-nn. 306 /// 307 /// Each use of the flag will preload a ML model from the host directory 308 /// using the given model encoding. The model will be mapped to the 309 /// directory name: e.g., `--wasi-nn-graph openvino:/foo/bar` will preload 310 /// an OpenVINO model named `bar`. Note that which model encodings are 311 /// available is dependent on the backends implemented in the 312 /// `wasmtime_wasi_nn` crate. 313 pub nn_graph: Vec<WasiNnGraph>, 314 /// Flag for WASI preview2 to inherit the host's network within the 315 /// guest so it has full access to all addresses/ports/etc. 316 pub inherit_network: Option<bool>, 317 /// Indicates whether `wasi:sockets/ip-name-lookup` is enabled or not. 318 pub allow_ip_name_lookup: Option<bool>, 319 /// Indicates whether `wasi:sockets` TCP support is enabled or not. 320 pub tcp: Option<bool>, 321 /// Indicates whether `wasi:sockets` UDP support is enabled or not. 322 pub udp: Option<bool>, 323 /// Allows imports from the `wasi_unstable` core wasm module. 324 pub preview0: Option<bool>, 325 /// Inherit all environment variables from the parent process. 326 /// 327 /// This option can be further overwritten with `--env` flags. 328 pub inherit_env: Option<bool>, 329 } 330 331 enum Wasi { 332 ... 333 } 334 } 335 336 #[derive(Debug, Clone, PartialEq)] 337 pub struct WasiNnGraph { 338 pub format: String, 339 pub dir: String, 340 } 341 342 /// Common options for commands that translate WebAssembly modules 343 #[derive(Parser, Clone)] 344 pub struct CommonOptions { 345 // These options groups are used to parse `-O` and such options but aren't 346 // the raw form consumed by the CLI. Instead they're pushed into the `pub` 347 // fields below as part of the `configure` method. 348 // 349 // Ideally clap would support `pub opts: OptimizeOptions` and parse directly 350 // into that but it does not appear to do so for multiple `-O` flags for 351 // now. 352 /// Optimization and tuning related options for wasm performance, `-O help` to 353 /// see all. 354 #[arg(short = 'O', long = "optimize", value_name = "KEY[=VAL[,..]]")] 355 opts_raw: Vec<opt::CommaSeparated<Optimize>>, 356 357 /// Codegen-related configuration options, `-C help` to see all. 358 #[arg(short = 'C', long = "codegen", value_name = "KEY[=VAL[,..]]")] 359 codegen_raw: Vec<opt::CommaSeparated<Codegen>>, 360 361 /// Debug-related configuration options, `-D help` to see all. 362 #[arg(short = 'D', long = "debug", value_name = "KEY[=VAL[,..]]")] 363 debug_raw: Vec<opt::CommaSeparated<Debug>>, 364 365 /// Options for configuring semantic execution of WebAssembly, `-W help` to see 366 /// all. 367 #[arg(short = 'W', long = "wasm", value_name = "KEY[=VAL[,..]]")] 368 wasm_raw: Vec<opt::CommaSeparated<Wasm>>, 369 370 /// Options for configuring WASI and its proposals, `-S help` to see all. 371 #[arg(short = 'S', long = "wasi", value_name = "KEY[=VAL[,..]]")] 372 wasi_raw: Vec<opt::CommaSeparated<Wasi>>, 373 374 // These fields are filled in by the `configure` method below via the 375 // options parsed from the CLI above. This is what the CLI should use. 376 #[arg(skip)] 377 configured: bool, 378 #[arg(skip)] 379 pub opts: OptimizeOptions, 380 #[arg(skip)] 381 pub codegen: CodegenOptions, 382 #[arg(skip)] 383 pub debug: DebugOptions, 384 #[arg(skip)] 385 pub wasm: WasmOptions, 386 #[arg(skip)] 387 pub wasi: WasiOptions, 388 } 389 390 macro_rules! match_feature { 391 ( 392 [$feat:tt : $config:expr] 393 $val:ident => $e:expr, 394 $p:pat => err, 395 ) => { 396 #[cfg(feature = $feat)] 397 { 398 if let Some($val) = $config { 399 $e; 400 } 401 } 402 #[cfg(not(feature = $feat))] 403 { 404 if let Some($p) = $config { 405 anyhow::bail!(concat!("support for ", $feat, " disabled at compile time")); 406 } 407 } 408 }; 409 } 410 411 impl CommonOptions { 412 fn configure(&mut self) { 413 if self.configured { 414 return; 415 } 416 self.configured = true; 417 self.opts.configure_with(&self.opts_raw); 418 self.codegen.configure_with(&self.codegen_raw); 419 self.debug.configure_with(&self.debug_raw); 420 self.wasm.configure_with(&self.wasm_raw); 421 self.wasi.configure_with(&self.wasi_raw); 422 } 423 424 pub fn init_logging(&mut self) -> Result<()> { 425 self.configure(); 426 if self.debug.logging == Some(false) { 427 return Ok(()); 428 } 429 #[cfg(feature = "logging")] 430 if self.debug.log_to_files == Some(true) { 431 let prefix = "wasmtime.dbg."; 432 init_file_per_thread_logger(prefix); 433 } else { 434 use std::io::IsTerminal; 435 use tracing_subscriber::{EnvFilter, FmtSubscriber}; 436 let b = FmtSubscriber::builder() 437 .with_writer(std::io::stderr) 438 .with_env_filter(EnvFilter::from_env("WASMTIME_LOG")) 439 .with_ansi(std::io::stderr().is_terminal()); 440 b.init(); 441 } 442 #[cfg(not(feature = "logging"))] 443 if self.debug.log_to_files == Some(true) || self.debug.logging == Some(true) { 444 anyhow::bail!("support for logging disabled at compile time"); 445 } 446 Ok(()) 447 } 448 449 pub fn config( 450 &mut self, 451 target: Option<&str>, 452 pooling_allocator_default: Option<bool>, 453 ) -> Result<Config> { 454 self.configure(); 455 let mut config = Config::new(); 456 457 match_feature! { 458 ["cranelift" : self.codegen.compiler] 459 strategy => config.strategy(strategy), 460 _ => err, 461 } 462 match_feature! { 463 ["cranelift" : target] 464 target => config.target(target)?, 465 _ => err, 466 } 467 match_feature! { 468 ["cranelift" : self.codegen.cranelift_debug_verifier] 469 enable => config.cranelift_debug_verifier(enable), 470 true => err, 471 } 472 if let Some(enable) = self.debug.debug_info { 473 config.debug_info(enable); 474 } 475 if self.debug.coredump.is_some() { 476 #[cfg(feature = "coredump")] 477 config.coredump_on_trap(true); 478 #[cfg(not(feature = "coredump"))] 479 anyhow::bail!("support for coredumps disabled at compile time"); 480 } 481 match_feature! { 482 ["cranelift" : self.opts.opt_level] 483 level => config.cranelift_opt_level(level), 484 _ => err, 485 } 486 match_feature! { 487 ["cranelift" : self.wasm.nan_canonicalization] 488 enable => config.cranelift_nan_canonicalization(enable), 489 true => err, 490 } 491 match_feature! { 492 ["cranelift" : self.codegen.pcc] 493 enable => config.cranelift_pcc(enable), 494 true => err, 495 } 496 497 self.enable_wasm_features(&mut config)?; 498 499 #[cfg(feature = "cranelift")] 500 for (name, value) in self.codegen.cranelift.iter() { 501 let name = name.replace('-', "_"); 502 unsafe { 503 match value { 504 Some(val) => { 505 config.cranelift_flag_set(&name, val); 506 } 507 None => { 508 config.cranelift_flag_enable(&name); 509 } 510 } 511 } 512 } 513 #[cfg(not(feature = "cranelift"))] 514 if !self.codegen.cranelift.is_empty() { 515 anyhow::bail!("support for cranelift disabled at compile time"); 516 } 517 518 #[cfg(feature = "cache")] 519 if self.codegen.cache != Some(false) { 520 match &self.codegen.cache_config { 521 Some(path) => { 522 config.cache_config_load(path)?; 523 } 524 None => { 525 config.cache_config_load_default()?; 526 } 527 } 528 } 529 #[cfg(not(feature = "cache"))] 530 if self.codegen.cache == Some(true) { 531 anyhow::bail!("support for caching disabled at compile time"); 532 } 533 534 match_feature! { 535 ["parallel-compilation" : self.codegen.parallel_compilation] 536 enable => config.parallel_compilation(enable), 537 true => err, 538 } 539 540 if let Some(max) = self.opts.static_memory_maximum_size { 541 config.static_memory_maximum_size(max); 542 } 543 544 if let Some(enable) = self.opts.static_memory_forced { 545 config.static_memory_forced(enable); 546 } 547 548 if let Some(size) = self.opts.static_memory_guard_size { 549 config.static_memory_guard_size(size); 550 } 551 552 if let Some(size) = self.opts.dynamic_memory_guard_size { 553 config.dynamic_memory_guard_size(size); 554 } 555 if let Some(size) = self.opts.dynamic_memory_reserved_for_growth { 556 config.dynamic_memory_reserved_for_growth(size); 557 } 558 if let Some(enable) = self.opts.guard_before_linear_memory { 559 config.guard_before_linear_memory(enable); 560 } 561 if let Some(enable) = self.opts.table_lazy_init { 562 config.table_lazy_init(enable); 563 } 564 565 // If fuel has been configured, set the `consume fuel` flag on the config. 566 if self.wasm.fuel.is_some() { 567 config.consume_fuel(true); 568 } 569 570 if let Some(enable) = self.wasm.epoch_interruption { 571 config.epoch_interruption(enable); 572 } 573 if let Some(enable) = self.debug.address_map { 574 config.generate_address_map(enable); 575 } 576 if let Some(enable) = self.opts.memory_init_cow { 577 config.memory_init_cow(enable); 578 } 579 if let Some(enable) = self.opts.cache_call_indirects { 580 config.cache_call_indirects(enable); 581 } 582 if let Some(max) = self.opts.max_call_indirect_cache_slots { 583 config.max_call_indirect_cache_slots(max); 584 } 585 586 match_feature! { 587 ["pooling-allocator" : self.opts.pooling_allocator.or(pooling_allocator_default)] 588 enable => { 589 if enable { 590 let mut cfg = wasmtime::PoolingAllocationConfig::default(); 591 if let Some(size) = self.opts.pooling_memory_keep_resident { 592 cfg.linear_memory_keep_resident(size); 593 } 594 if let Some(size) = self.opts.pooling_table_keep_resident { 595 cfg.table_keep_resident(size); 596 } 597 if let Some(limit) = self.opts.pooling_total_core_instances { 598 cfg.total_core_instances(limit); 599 } 600 if let Some(limit) = self.opts.pooling_total_component_instances { 601 cfg.total_component_instances(limit); 602 } 603 if let Some(limit) = self.opts.pooling_total_memories { 604 cfg.total_memories(limit); 605 } 606 if let Some(limit) = self.opts.pooling_total_tables { 607 cfg.total_tables(limit); 608 } 609 if let Some(limit) = self.opts.pooling_total_stacks { 610 cfg.total_stacks(limit); 611 } 612 if let Some(limit) = self.opts.pooling_max_memory_size { 613 cfg.max_memory_size(limit); 614 } 615 match_feature! { 616 ["memory-protection-keys" : self.opts.memory_protection_keys] 617 enable => cfg.memory_protection_keys(if enable { 618 wasmtime::MpkEnabled::Enable 619 } else { 620 wasmtime::MpkEnabled::Disable 621 }), 622 _ => err, 623 } 624 config.allocation_strategy(wasmtime::InstanceAllocationStrategy::Pooling(cfg)); 625 } 626 }, 627 true => err, 628 } 629 630 if self.opts.memory_protection_keys.unwrap_or(false) 631 && !self.opts.pooling_allocator.unwrap_or(false) 632 { 633 anyhow::bail!("memory protection keys require the pooling allocator"); 634 } 635 636 if let Some(max) = self.wasm.max_wasm_stack { 637 config.max_wasm_stack(max); 638 } 639 640 if let Some(enable) = self.wasm.relaxed_simd_deterministic { 641 config.relaxed_simd_deterministic(enable); 642 } 643 match_feature! { 644 ["cranelift" : self.wasm.wmemcheck] 645 enable => config.wmemcheck(enable), 646 true => err, 647 } 648 649 Ok(config) 650 } 651 652 pub fn enable_wasm_features(&self, config: &mut Config) -> Result<()> { 653 let all = self.wasm.all_proposals; 654 655 if let Some(enable) = self.wasm.simd.or(all) { 656 config.wasm_simd(enable); 657 } 658 if let Some(enable) = self.wasm.relaxed_simd.or(all) { 659 config.wasm_relaxed_simd(enable); 660 } 661 if let Some(enable) = self.wasm.bulk_memory.or(all) { 662 config.wasm_bulk_memory(enable); 663 } 664 if let Some(enable) = self.wasm.multi_value.or(all) { 665 config.wasm_multi_value(enable); 666 } 667 if let Some(enable) = self.wasm.tail_call.or(all) { 668 config.wasm_tail_call(enable); 669 } 670 if let Some(enable) = self.wasm.multi_memory.or(all) { 671 config.wasm_multi_memory(enable); 672 } 673 if let Some(enable) = self.wasm.memory64.or(all) { 674 config.wasm_memory64(enable); 675 } 676 677 macro_rules! handle_conditionally_compiled { 678 ($(($feature:tt, $field:tt, $method:tt))*) => ($( 679 if let Some(enable) = self.wasm.$field.or(all) { 680 #[cfg(feature = $feature)] 681 config.$method(enable); 682 #[cfg(not(feature = $feature))] 683 if enable && all.is_none() { 684 anyhow::bail!("support for {} was disabled at compile-time", $feature); 685 } 686 } 687 )*) 688 } 689 690 handle_conditionally_compiled! { 691 ("component-model", component_model, wasm_component_model) 692 ("threads", threads, wasm_threads) 693 ("gc", gc, wasm_gc) 694 ("gc", reference_types, wasm_reference_types) 695 ("gc", function_references, wasm_function_references) 696 } 697 Ok(()) 698 } 699 } 700 701 impl PartialEq for CommonOptions { 702 fn eq(&self, other: &CommonOptions) -> bool { 703 let mut me = self.clone(); 704 me.configure(); 705 let mut other = other.clone(); 706 other.configure(); 707 let CommonOptions { 708 opts_raw: _, 709 codegen_raw: _, 710 debug_raw: _, 711 wasm_raw: _, 712 wasi_raw: _, 713 configured: _, 714 715 opts, 716 codegen, 717 debug, 718 wasm, 719 wasi, 720 } = me; 721 opts == other.opts 722 && codegen == other.codegen 723 && debug == other.debug 724 && wasm == other.wasm 725 && wasi == other.wasi 726 } 727 } 728