Implement Mach-O TLS access for x64 newBE

2021-01-21 18:05:37 +01:00
parent 207f60a18e
commit 81d248c057
4 changed files with 43 additions and 2 deletions
--- a/cranelift/codegen/src/isa/x64/lower.rs
+++ b/cranelift/codegen/src/isa/x64/lower.rs
@@ -5333,6 +5333,13 @@ fn lower_insn_to_regs<C: LowerCtx<I = Inst>>(
                ctx.emit(Inst::ElfTlsGetAddr { symbol });
                ctx.emit(Inst::gen_move(dst, regs::rax(), types::I64));
            }
+            TlsModel::Macho => {
+                let dst = get_output_reg(ctx, outputs[0]).only_reg().unwrap();
+                let (name, _, _) = ctx.symbol_value(insn).unwrap();
+                let symbol = name.clone();
+                ctx.emit(Inst::MachOTlsGetAddr { symbol });
+                ctx.emit(Inst::gen_move(dst, regs::rax(), types::I64));
+            }
            _ => {
                todo!(
                    "Unimplemented TLS model in x64 backend: {:?}",