xref: /wasmtime-44.0.1/cranelift/module/src/lib.rs (revision 331b0dee)
1 //! Top-level lib.rs for `cranelift_module`.
2 
3 #![deny(missing_docs, trivial_numeric_casts, unused_extern_crates)]
4 #![warn(unused_import_braces)]
5 #![cfg_attr(feature = "std", deny(unstable_features))]
6 #![cfg_attr(feature = "clippy", plugin(clippy(conf_file = "../../clippy.toml")))]
7 #![cfg_attr(feature = "cargo-clippy", allow(clippy::new_without_default))]
8 #![cfg_attr(
9     feature = "cargo-clippy",
10     warn(
11         clippy::float_arithmetic,
12         clippy::mut_mut,
13         clippy::nonminimal_bool,
14         clippy::map_unwrap_or,
15         clippy::clippy::print_stdout,
16         clippy::unicode_not_nfc,
17         clippy::use_self
18     )
19 )]
20 #![no_std]
21 
22 #[cfg(not(feature = "std"))]
23 #[macro_use]
24 extern crate alloc as std;
25 #[cfg(feature = "std")]
26 #[macro_use]
27 extern crate std;
28 
29 #[cfg(not(feature = "std"))]
30 use hashbrown::{hash_map, HashMap};
31 use std::borrow::ToOwned;
32 use std::boxed::Box;
33 #[cfg(feature = "std")]
34 use std::collections::{hash_map, HashMap};
35 use std::string::String;
36 
37 use cranelift_codegen::ir;
38 
39 mod data_context;
40 mod module;
41 mod traps;
42 
43 pub use crate::data_context::{DataContext, DataDescription, Init};
44 pub use crate::module::{
45     DataId, FuncId, FuncOrDataId, Linkage, Module, ModuleCompiledFunction, ModuleDeclarations,
46     ModuleError, ModuleResult, RelocRecord,
47 };
48 pub use crate::traps::TrapSite;
49 
50 /// Version number of this crate.
51 pub const VERSION: &str = env!("CARGO_PKG_VERSION");
52 
53 /// Default names for `ir::LibCall`s. A function by this name is imported into the object as
54 /// part of the translation of a `ir::ExternalName::LibCall` variant.
55 pub fn default_libcall_names() -> Box<dyn Fn(ir::LibCall) -> String + Send + Sync> {
56     Box::new(move |libcall| match libcall {
57         ir::LibCall::Probestack => "__cranelift_probestack".to_owned(),
58         ir::LibCall::UdivI64 => "__udivdi3".to_owned(),
59         ir::LibCall::SdivI64 => "__divdi3".to_owned(),
60         ir::LibCall::UremI64 => "__umoddi3".to_owned(),
61         ir::LibCall::SremI64 => "__moddi3".to_owned(),
62         ir::LibCall::IshlI64 => "__ashldi3".to_owned(),
63         ir::LibCall::UshrI64 => "__lshrdi3".to_owned(),
64         ir::LibCall::SshrI64 => "__ashrdi3".to_owned(),
65         ir::LibCall::CeilF32 => "ceilf".to_owned(),
66         ir::LibCall::CeilF64 => "ceil".to_owned(),
67         ir::LibCall::FloorF32 => "floorf".to_owned(),
68         ir::LibCall::FloorF64 => "floor".to_owned(),
69         ir::LibCall::TruncF32 => "truncf".to_owned(),
70         ir::LibCall::TruncF64 => "trunc".to_owned(),
71         ir::LibCall::NearestF32 => "nearbyintf".to_owned(),
72         ir::LibCall::NearestF64 => "nearbyint".to_owned(),
73         ir::LibCall::Memcpy => "memcpy".to_owned(),
74         ir::LibCall::Memset => "memset".to_owned(),
75         ir::LibCall::Memmove => "memmove".to_owned(),
76 
77         ir::LibCall::ElfTlsGetAddr => "__tls_get_addr".to_owned(),
78     })
79 }
80