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 /// The maximum table elements for any table defined in a module when 120 /// using the pooling allocator. 121 pub pooling_table_elements: Option<usize>, 122 123 /// The maximum size, in bytes, allocated for a core instance's metadata 124 /// when using the pooling allocator. 125 pub pooling_max_core_instance_size: Option<usize>, 126 127 /// Enable or disable the use of host signal handlers for traps. 128 pub signals_based_traps: Option<bool>, 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<usize>, 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 33+ flags in the component model. 269 pub component_model_more_flags: Option<bool>, 270 /// Component model support for more than one return value. 271 pub component_model_multiple_returns: Option<bool>, 272 /// Configure support for the function-references proposal. 273 pub function_references: Option<bool>, 274 /// Configure support for the GC proposal. 275 pub gc: Option<bool>, 276 /// Configure support for the custom-page-sizes proposal. 277 pub custom_page_sizes: Option<bool>, 278 } 279 280 enum Wasm { 281 ... 282 } 283 } 284 285 wasmtime_option_group! { 286 #[derive(PartialEq, Clone)] 287 pub struct WasiOptions { 288 /// Enable support for WASI CLI APIs, including filesystems, sockets, clocks, and random. 289 pub cli: Option<bool>, 290 /// Deprecated alias for `cli` 291 pub common: Option<bool>, 292 /// Enable support for WASI neural network API (experimental) 293 pub nn: Option<bool>, 294 /// Enable support for WASI threading API (experimental) 295 pub threads: Option<bool>, 296 /// Enable support for WASI HTTP API (experimental) 297 pub http: Option<bool>, 298 /// Enable support for WASI runtime config API (experimental) 299 pub runtime_config: Option<bool>, 300 /// Enable support for WASI key-value API (experimental) 301 pub keyvalue: Option<bool>, 302 /// Inherit environment variables and file descriptors following the 303 /// systemd listen fd specification (UNIX only) 304 pub listenfd: Option<bool>, 305 /// Grant access to the given TCP listen socket 306 pub tcplisten: Vec<String>, 307 /// Implement WASI CLI APIs with preview2 primitives (experimental). 308 /// 309 /// Indicates that the implementation of WASI preview1 should be backed by 310 /// the preview2 implementation for components. 311 /// 312 /// This will become the default in the future and this option will be 313 /// removed. For now this is primarily here for testing. 314 pub preview2: Option<bool>, 315 /// Pre-load machine learning graphs (i.e., models) for use by wasi-nn. 316 /// 317 /// Each use of the flag will preload a ML model from the host directory 318 /// using the given model encoding. The model will be mapped to the 319 /// directory name: e.g., `--wasi-nn-graph openvino:/foo/bar` will preload 320 /// an OpenVINO model named `bar`. Note that which model encodings are 321 /// available is dependent on the backends implemented in the 322 /// `wasmtime_wasi_nn` crate. 323 pub nn_graph: Vec<WasiNnGraph>, 324 /// Flag for WASI preview2 to inherit the host's network within the 325 /// guest so it has full access to all addresses/ports/etc. 326 pub inherit_network: Option<bool>, 327 /// Indicates whether `wasi:sockets/ip-name-lookup` is enabled or not. 328 pub allow_ip_name_lookup: Option<bool>, 329 /// Indicates whether `wasi:sockets` TCP support is enabled or not. 330 pub tcp: Option<bool>, 331 /// Indicates whether `wasi:sockets` UDP support is enabled or not. 332 pub udp: Option<bool>, 333 /// Allows imports from the `wasi_unstable` core wasm module. 334 pub preview0: Option<bool>, 335 /// Inherit all environment variables from the parent process. 336 /// 337 /// This option can be further overwritten with `--env` flags. 338 pub inherit_env: Option<bool>, 339 /// Pass a wasi runtime config variable to the program. 340 pub runtime_config_var: Vec<KeyValuePair>, 341 /// Preset data for the In-Memory provider of WASI key-value API. 342 pub keyvalue_in_memory_data: Vec<KeyValuePair>, 343 } 344 345 enum Wasi { 346 ... 347 } 348 } 349 350 #[derive(Debug, Clone, PartialEq)] 351 pub struct WasiNnGraph { 352 pub format: String, 353 pub dir: String, 354 } 355 356 #[derive(Debug, Clone, PartialEq)] 357 pub struct KeyValuePair { 358 pub key: String, 359 pub value: String, 360 } 361 362 /// Common options for commands that translate WebAssembly modules 363 #[derive(Parser, Clone)] 364 pub struct CommonOptions { 365 // These options groups are used to parse `-O` and such options but aren't 366 // the raw form consumed by the CLI. Instead they're pushed into the `pub` 367 // fields below as part of the `configure` method. 368 // 369 // Ideally clap would support `pub opts: OptimizeOptions` and parse directly 370 // into that but it does not appear to do so for multiple `-O` flags for 371 // now. 372 /// Optimization and tuning related options for wasm performance, `-O help` to 373 /// see all. 374 #[arg(short = 'O', long = "optimize", value_name = "KEY[=VAL[,..]]")] 375 opts_raw: Vec<opt::CommaSeparated<Optimize>>, 376 377 /// Codegen-related configuration options, `-C help` to see all. 378 #[arg(short = 'C', long = "codegen", value_name = "KEY[=VAL[,..]]")] 379 codegen_raw: Vec<opt::CommaSeparated<Codegen>>, 380 381 /// Debug-related configuration options, `-D help` to see all. 382 #[arg(short = 'D', long = "debug", value_name = "KEY[=VAL[,..]]")] 383 debug_raw: Vec<opt::CommaSeparated<Debug>>, 384 385 /// Options for configuring semantic execution of WebAssembly, `-W help` to see 386 /// all. 387 #[arg(short = 'W', long = "wasm", value_name = "KEY[=VAL[,..]]")] 388 wasm_raw: Vec<opt::CommaSeparated<Wasm>>, 389 390 /// Options for configuring WASI and its proposals, `-S help` to see all. 391 #[arg(short = 'S', long = "wasi", value_name = "KEY[=VAL[,..]]")] 392 wasi_raw: Vec<opt::CommaSeparated<Wasi>>, 393 394 // These fields are filled in by the `configure` method below via the 395 // options parsed from the CLI above. This is what the CLI should use. 396 #[arg(skip)] 397 configured: bool, 398 #[arg(skip)] 399 pub opts: OptimizeOptions, 400 #[arg(skip)] 401 pub codegen: CodegenOptions, 402 #[arg(skip)] 403 pub debug: DebugOptions, 404 #[arg(skip)] 405 pub wasm: WasmOptions, 406 #[arg(skip)] 407 pub wasi: WasiOptions, 408 } 409 410 macro_rules! match_feature { 411 ( 412 [$feat:tt : $config:expr] 413 $val:ident => $e:expr, 414 $p:pat => err, 415 ) => { 416 #[cfg(feature = $feat)] 417 { 418 if let Some($val) = $config { 419 $e; 420 } 421 } 422 #[cfg(not(feature = $feat))] 423 { 424 if let Some($p) = $config { 425 anyhow::bail!(concat!("support for ", $feat, " disabled at compile time")); 426 } 427 } 428 }; 429 } 430 431 impl CommonOptions { 432 fn configure(&mut self) { 433 if self.configured { 434 return; 435 } 436 self.configured = true; 437 self.opts.configure_with(&self.opts_raw); 438 self.codegen.configure_with(&self.codegen_raw); 439 self.debug.configure_with(&self.debug_raw); 440 self.wasm.configure_with(&self.wasm_raw); 441 self.wasi.configure_with(&self.wasi_raw); 442 } 443 444 pub fn init_logging(&mut self) -> Result<()> { 445 self.configure(); 446 if self.debug.logging == Some(false) { 447 return Ok(()); 448 } 449 #[cfg(feature = "logging")] 450 if self.debug.log_to_files == Some(true) { 451 let prefix = "wasmtime.dbg."; 452 init_file_per_thread_logger(prefix); 453 } else { 454 use std::io::IsTerminal; 455 use tracing_subscriber::{EnvFilter, FmtSubscriber}; 456 let b = FmtSubscriber::builder() 457 .with_writer(std::io::stderr) 458 .with_env_filter(EnvFilter::from_env("WASMTIME_LOG")) 459 .with_ansi(std::io::stderr().is_terminal()); 460 b.init(); 461 } 462 #[cfg(not(feature = "logging"))] 463 if self.debug.log_to_files == Some(true) || self.debug.logging == Some(true) { 464 anyhow::bail!("support for logging disabled at compile time"); 465 } 466 Ok(()) 467 } 468 469 pub fn config( 470 &mut self, 471 target: Option<&str>, 472 pooling_allocator_default: Option<bool>, 473 ) -> Result<Config> { 474 self.configure(); 475 let mut config = Config::new(); 476 477 match_feature! { 478 ["cranelift" : self.codegen.compiler] 479 strategy => config.strategy(strategy), 480 _ => err, 481 } 482 match_feature! { 483 ["cranelift" : target] 484 target => config.target(target)?, 485 _ => err, 486 } 487 match_feature! { 488 ["cranelift" : self.codegen.cranelift_debug_verifier] 489 enable => config.cranelift_debug_verifier(enable), 490 true => err, 491 } 492 if let Some(enable) = self.debug.debug_info { 493 config.debug_info(enable); 494 } 495 if self.debug.coredump.is_some() { 496 #[cfg(feature = "coredump")] 497 config.coredump_on_trap(true); 498 #[cfg(not(feature = "coredump"))] 499 anyhow::bail!("support for coredumps disabled at compile time"); 500 } 501 match_feature! { 502 ["cranelift" : self.opts.opt_level] 503 level => config.cranelift_opt_level(level), 504 _ => err, 505 } 506 match_feature! { 507 ["cranelift" : self.wasm.nan_canonicalization] 508 enable => config.cranelift_nan_canonicalization(enable), 509 true => err, 510 } 511 match_feature! { 512 ["cranelift" : self.codegen.pcc] 513 enable => config.cranelift_pcc(enable), 514 true => err, 515 } 516 517 self.enable_wasm_features(&mut config)?; 518 519 #[cfg(feature = "cranelift")] 520 for (name, value) in self.codegen.cranelift.iter() { 521 let name = name.replace('-', "_"); 522 unsafe { 523 match value { 524 Some(val) => { 525 config.cranelift_flag_set(&name, val); 526 } 527 None => { 528 config.cranelift_flag_enable(&name); 529 } 530 } 531 } 532 } 533 #[cfg(not(feature = "cranelift"))] 534 if !self.codegen.cranelift.is_empty() { 535 anyhow::bail!("support for cranelift disabled at compile time"); 536 } 537 538 #[cfg(feature = "cache")] 539 if self.codegen.cache != Some(false) { 540 match &self.codegen.cache_config { 541 Some(path) => { 542 config.cache_config_load(path)?; 543 } 544 None => { 545 config.cache_config_load_default()?; 546 } 547 } 548 } 549 #[cfg(not(feature = "cache"))] 550 if self.codegen.cache == Some(true) { 551 anyhow::bail!("support for caching disabled at compile time"); 552 } 553 554 match_feature! { 555 ["parallel-compilation" : self.codegen.parallel_compilation] 556 enable => config.parallel_compilation(enable), 557 true => err, 558 } 559 560 if let Some(max) = self.opts.static_memory_maximum_size { 561 config.static_memory_maximum_size(max); 562 } 563 564 if let Some(enable) = self.opts.static_memory_forced { 565 config.static_memory_forced(enable); 566 } 567 568 if let Some(size) = self.opts.static_memory_guard_size { 569 config.static_memory_guard_size(size); 570 } 571 572 if let Some(size) = self.opts.dynamic_memory_guard_size { 573 config.dynamic_memory_guard_size(size); 574 } 575 if let Some(size) = self.opts.dynamic_memory_reserved_for_growth { 576 config.dynamic_memory_reserved_for_growth(size); 577 } 578 if let Some(enable) = self.opts.guard_before_linear_memory { 579 config.guard_before_linear_memory(enable); 580 } 581 if let Some(enable) = self.opts.table_lazy_init { 582 config.table_lazy_init(enable); 583 } 584 585 // If fuel has been configured, set the `consume fuel` flag on the config. 586 if self.wasm.fuel.is_some() { 587 config.consume_fuel(true); 588 } 589 590 if let Some(enable) = self.wasm.epoch_interruption { 591 config.epoch_interruption(enable); 592 } 593 if let Some(enable) = self.debug.address_map { 594 config.generate_address_map(enable); 595 } 596 if let Some(enable) = self.opts.memory_init_cow { 597 config.memory_init_cow(enable); 598 } 599 if let Some(enable) = self.opts.signals_based_traps { 600 config.signals_based_traps(enable); 601 } 602 603 match_feature! { 604 ["pooling-allocator" : self.opts.pooling_allocator.or(pooling_allocator_default)] 605 enable => { 606 if enable { 607 let mut cfg = wasmtime::PoolingAllocationConfig::default(); 608 if let Some(size) = self.opts.pooling_memory_keep_resident { 609 cfg.linear_memory_keep_resident(size); 610 } 611 if let Some(size) = self.opts.pooling_table_keep_resident { 612 cfg.table_keep_resident(size); 613 } 614 if let Some(limit) = self.opts.pooling_total_core_instances { 615 cfg.total_core_instances(limit); 616 } 617 if let Some(limit) = self.opts.pooling_total_component_instances { 618 cfg.total_component_instances(limit); 619 } 620 if let Some(limit) = self.opts.pooling_total_memories { 621 cfg.total_memories(limit); 622 } 623 if let Some(limit) = self.opts.pooling_total_tables { 624 cfg.total_tables(limit); 625 } 626 if let Some(limit) = self.opts.pooling_table_elements { 627 cfg.table_elements(limit); 628 } 629 if let Some(limit) = self.opts.pooling_max_core_instance_size { 630 cfg.max_core_instance_size(limit); 631 } 632 match_feature! { 633 ["async" : self.opts.pooling_total_stacks] 634 limit => cfg.total_stacks(limit), 635 _ => err, 636 } 637 if let Some(limit) = self.opts.pooling_max_memory_size { 638 cfg.max_memory_size(limit); 639 } 640 match_feature! { 641 ["memory-protection-keys" : self.opts.memory_protection_keys] 642 enable => cfg.memory_protection_keys(if enable { 643 wasmtime::MpkEnabled::Enable 644 } else { 645 wasmtime::MpkEnabled::Disable 646 }), 647 _ => err, 648 } 649 config.allocation_strategy(wasmtime::InstanceAllocationStrategy::Pooling(cfg)); 650 } 651 }, 652 true => err, 653 } 654 655 if self.opts.memory_protection_keys.unwrap_or(false) 656 && !self.opts.pooling_allocator.unwrap_or(false) 657 { 658 anyhow::bail!("memory protection keys require the pooling allocator"); 659 } 660 661 if let Some(max) = self.wasm.max_wasm_stack { 662 config.max_wasm_stack(max); 663 } 664 665 if let Some(enable) = self.wasm.relaxed_simd_deterministic { 666 config.relaxed_simd_deterministic(enable); 667 } 668 match_feature! { 669 ["cranelift" : self.wasm.wmemcheck] 670 enable => config.wmemcheck(enable), 671 true => err, 672 } 673 674 Ok(config) 675 } 676 677 pub fn enable_wasm_features(&self, config: &mut Config) -> Result<()> { 678 let all = self.wasm.all_proposals; 679 680 if let Some(enable) = self.wasm.simd.or(all) { 681 config.wasm_simd(enable); 682 } 683 if let Some(enable) = self.wasm.relaxed_simd.or(all) { 684 config.wasm_relaxed_simd(enable); 685 } 686 if let Some(enable) = self.wasm.bulk_memory.or(all) { 687 config.wasm_bulk_memory(enable); 688 } 689 if let Some(enable) = self.wasm.multi_value.or(all) { 690 config.wasm_multi_value(enable); 691 } 692 if let Some(enable) = self.wasm.tail_call.or(all) { 693 config.wasm_tail_call(enable); 694 } 695 if let Some(enable) = self.wasm.multi_memory.or(all) { 696 config.wasm_multi_memory(enable); 697 } 698 if let Some(enable) = self.wasm.memory64.or(all) { 699 config.wasm_memory64(enable); 700 } 701 if let Some(enable) = self.wasm.custom_page_sizes.or(all) { 702 config.wasm_custom_page_sizes(enable); 703 } 704 705 macro_rules! handle_conditionally_compiled { 706 ($(($feature:tt, $field:tt, $method:tt))*) => ($( 707 if let Some(enable) = self.wasm.$field.or(all) { 708 #[cfg(feature = $feature)] 709 config.$method(enable); 710 #[cfg(not(feature = $feature))] 711 if enable && all.is_none() { 712 anyhow::bail!("support for {} was disabled at compile-time", $feature); 713 } 714 } 715 )*) 716 } 717 718 handle_conditionally_compiled! { 719 ("component-model", component_model, wasm_component_model) 720 ("component-model", component_model_more_flags, wasm_component_model_more_flags) 721 ("component-model", component_model_multiple_returns, wasm_component_model_multiple_returns) 722 ("threads", threads, wasm_threads) 723 ("gc", gc, wasm_gc) 724 ("gc", reference_types, wasm_reference_types) 725 ("gc", function_references, wasm_function_references) 726 } 727 Ok(()) 728 } 729 } 730 731 impl PartialEq for CommonOptions { 732 fn eq(&self, other: &CommonOptions) -> bool { 733 let mut me = self.clone(); 734 me.configure(); 735 let mut other = other.clone(); 736 other.configure(); 737 let CommonOptions { 738 opts_raw: _, 739 codegen_raw: _, 740 debug_raw: _, 741 wasm_raw: _, 742 wasi_raw: _, 743 configured: _, 744 745 opts, 746 codegen, 747 debug, 748 wasm, 749 wasi, 750 } = me; 751 opts == other.opts 752 && codegen == other.codegen 753 && debug == other.debug 754 && wasm == other.wasm 755 && wasi == other.wasi 756 } 757 } 758