Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 24 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_ssa/src/traits/statics.rs b/compiler/rustc_codegen_ssa/src/traits/statics.rs
new file mode 100644
index 000000000..413d31bb9
--- /dev/null
+++ b/compiler/rustc_codegen_ssa/src/traits/statics.rs
@@ -0,0 +1,24 @@
+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 documented semantics of the `#[used]` attribute, although
+    /// on some targets (non-ELF), we may use `add_used_global` for `#[used]` statics
+    /// instead.
+    fn add_compiler_used_global(&self, global: Self::Value);
+}
+
+pub trait StaticBuilderMethods: BackendTypes {
+    fn get_static(&mut self, def_id: DefId) -> Self::Value;
+}