1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
use super::BackendTypes;
use rustc_hir::def_id::DefId;
use rustc_target::abi::Align;

pub trait StaticMethods: BackendTypes {
    fn static_addr_of(&self, cv: Self::Value, align: Align, kind: Option<&str>) -> Self::Value;
    fn codegen_static(&self, def_id: DefId, is_mutable: bool);

    /// Mark the given global value as "used", to prevent the compiler and linker from potentially
    /// removing a static variable that may otherwise appear unused.
    fn add_used_global(&self, global: Self::Value);

    /// Same as add_used_global(), but only prevent the compiler from potentially removing an
    /// otherwise unused symbol. The linker is still permitted to drop it.
    ///
    /// This corresponds to the semantics of the `#[used]` attribute.
    fn add_compiler_used_global(&self, global: Self::Value);
}

pub trait StaticBuilderMethods: BackendTypes {
    fn get_static(&mut self, def_id: DefId) -> Self::Value;
}