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Remove Backend trait and turn Module into a trait

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This commit is contained in:
bjorn3
2020-09-30 19:52:57 +02:00
parent 84c6ec3214
commit d84ca235d2
7 changed files with 95 additions and 233 deletions
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35
cranelift/module/src/lib.rs
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@@ -29,15 +29,18 @@ extern crate std;
#[cfg(not(feature = "std"))]
use hashbrown::{hash_map, HashMap};
use std::borrow::ToOwned;
use std::boxed::Box;
#[cfg(feature = "std")]
use std::collections::{hash_map, HashMap};
use std::string::String;
use cranelift_codegen::ir;
mod backend;
mod data_context;
mod module;
mod traps;
pub use crate::backend::{default_libcall_names, Backend};
pub use crate::data_context::{DataContext, DataDescription, Init};
pub use crate::module::{
DataId, FuncId, FuncOrDataId, Linkage, Module, ModuleCompiledFunction, ModuleDeclarations,
@@ -47,3 +50,31 @@ pub use crate::traps::TrapSite;
/// Version number of this crate.
pub const VERSION: &str = env!("CARGO_PKG_VERSION");
/// Default names for `ir::LibCall`s. A function by this name is imported into the object as
/// part of the translation of a `ir::ExternalName::LibCall` variant.
pub fn default_libcall_names() -> Box<dyn Fn(ir::LibCall) -> String> {
Box::new(move |libcall| match libcall {
ir::LibCall::Probestack => "__cranelift_probestack".to_owned(),
ir::LibCall::UdivI64 => "__udivdi3".to_owned(),
ir::LibCall::SdivI64 => "__divdi3".to_owned(),
ir::LibCall::UremI64 => "__umoddi3".to_owned(),
ir::LibCall::SremI64 => "__moddi3".to_owned(),
ir::LibCall::IshlI64 => "__ashldi3".to_owned(),
ir::LibCall::UshrI64 => "__lshrdi3".to_owned(),
ir::LibCall::SshrI64 => "__ashrdi3".to_owned(),
ir::LibCall::CeilF32 => "ceilf".to_owned(),
ir::LibCall::CeilF64 => "ceil".to_owned(),
ir::LibCall::FloorF32 => "floorf".to_owned(),
ir::LibCall::FloorF64 => "floor".to_owned(),
ir::LibCall::TruncF32 => "truncf".to_owned(),
ir::LibCall::TruncF64 => "trunc".to_owned(),
ir::LibCall::NearestF32 => "nearbyintf".to_owned(),
ir::LibCall::NearestF64 => "nearbyint".to_owned(),
ir::LibCall::Memcpy => "memcpy".to_owned(),
ir::LibCall::Memset => "memset".to_owned(),
ir::LibCall::Memmove => "memmove".to_owned(),
ir::LibCall::ElfTlsGetAddr => "__tls_get_addr".to_owned(),
})
}