fe1643733b
wasmtime-environ is meant to support cross compilation, so it shouldn't have dependencies on target layout of structs. This moves the layout back into wasmtime-execute, and adds a system of asserts for checking that wasmtime-environ's offsets stay in sync.
65 lines
1.8 KiB
Rust
65 lines
1.8 KiB
Rust
//! Standalone environment for WebAssembly using Cranelift. Provides functions to translate
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//! `get_global`, `set_global`, `memory.size`, `memory.grow`, `call_indirect` that hardcode in
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//! the translation the base addresses of regions of memory that will hold the globals, tables and
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//! linear memories.
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#![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
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#![warn(unused_import_braces)]
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#![cfg_attr(feature = "std", deny(unstable_features))]
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#![cfg_attr(
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feature = "clippy",
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plugin(clippy(conf_file = "../../clippy.toml"))
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)]
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#![cfg_attr(
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feature = "cargo-clippy",
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allow(new_without_default, new_without_default_derive)
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)]
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#![cfg_attr(
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feature = "cargo-clippy",
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warn(
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float_arithmetic,
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mut_mut,
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nonminimal_bool,
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option_map_unwrap_or,
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option_map_unwrap_or_else,
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print_stdout,
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unicode_not_nfc,
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use_self
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)
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)]
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#![cfg_attr(not(feature = "std"), no_std)]
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#![cfg_attr(not(feature = "std"), feature(alloc))]
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extern crate cranelift_codegen;
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extern crate cranelift_entity;
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extern crate cranelift_wasm;
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#[cfg(not(feature = "std"))]
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#[macro_use]
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extern crate alloc;
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mod compilation;
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mod environ;
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mod module;
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mod tunables;
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mod vmoffsets;
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pub use compilation::{
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compile_module, Compilation, RelocSink, Relocation, RelocationTarget, Relocations,
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};
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pub use environ::{ModuleEnvironment, ModuleTranslation};
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pub use module::{DataInitializer, Export, MemoryPlan, MemoryStyle, Module, TableElements};
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pub use tunables::Tunables;
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/// WebAssembly page sizes are defined to be 64KiB.
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pub const WASM_PAGE_SIZE: u32 = 0x10000;
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/// The number of pages we can have before we run out of byte index space.
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pub const WASM_MAX_PAGES: u32 = 0x10000;
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#[cfg(not(feature = "std"))]
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mod std {
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pub use alloc::{string, vec};
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pub use core::*;
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pub use core::{i32, str, u32};
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}
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