2020-05-10 09:54:30 -05:00
|
|
|
use rustc_codegen_ssa::traits::PreDefineMethods;
|
|
|
|
use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
|
|
|
|
use rustc_middle::mir::mono::{Linkage, Visibility};
|
|
|
|
use rustc_middle::ty::{self, Instance, TypeFoldable};
|
2021-09-17 16:19:25 -05:00
|
|
|
use rustc_middle::ty::layout::{FnAbiExt, LayoutOf};
|
2020-05-10 09:54:30 -05:00
|
|
|
use rustc_span::def_id::DefId;
|
|
|
|
use rustc_target::abi::call::FnAbi;
|
|
|
|
|
|
|
|
use crate::base;
|
|
|
|
use crate::context::CodegenCx;
|
|
|
|
use crate::type_of::LayoutGccExt;
|
|
|
|
|
|
|
|
impl<'gcc, 'tcx> PreDefineMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
|
|
|
|
fn predefine_static(&self, def_id: DefId, _linkage: Linkage, _visibility: Visibility, symbol_name: &str) {
|
|
|
|
let attrs = self.tcx.codegen_fn_attrs(def_id);
|
|
|
|
let instance = Instance::mono(self.tcx, def_id);
|
|
|
|
let ty = instance.ty(self.tcx, ty::ParamEnv::reveal_all());
|
|
|
|
let gcc_type = self.layout_of(ty).gcc_type(self, true);
|
|
|
|
|
|
|
|
let is_tls = attrs.flags.contains(CodegenFnAttrFlags::THREAD_LOCAL);
|
2021-09-26 11:20:02 -05:00
|
|
|
let global = self.define_global(symbol_name, gcc_type, is_tls, attrs.link_section);
|
2020-05-10 09:54:30 -05:00
|
|
|
|
2021-08-15 07:28:46 -05:00
|
|
|
// TODO(antoyo): set linkage and visibility.
|
2020-05-10 09:54:30 -05:00
|
|
|
self.instances.borrow_mut().insert(instance, global);
|
|
|
|
}
|
|
|
|
|
|
|
|
fn predefine_fn(&self, instance: Instance<'tcx>, linkage: Linkage, _visibility: Visibility, symbol_name: &str) {
|
2021-09-17 16:19:25 -05:00
|
|
|
assert!(!instance.substs.needs_infer());
|
2020-05-10 09:54:30 -05:00
|
|
|
|
|
|
|
let fn_abi = FnAbi::of_instance(self, instance, &[]);
|
|
|
|
self.linkage.set(base::linkage_to_gcc(linkage));
|
|
|
|
let _decl = self.declare_fn(symbol_name, &fn_abi);
|
|
|
|
//let attrs = self.tcx.codegen_fn_attrs(instance.def_id());
|
|
|
|
|
2021-08-15 07:28:46 -05:00
|
|
|
// TODO(antoyo): call set_link_section() to allow initializing argc/argv.
|
|
|
|
// TODO(antoyo): set unique comdat.
|
|
|
|
// TODO(antoyo): use inline attribute from there in linkage.set() above.
|
2020-05-10 09:54:30 -05:00
|
|
|
}
|
|
|
|
}
|