From a7158ecfa9ab37774b2900972cc1a0279f46caa6 Mon Sep 17 00:00:00 2001
From: Adam Gausmann <adam@gaussian.dev>
Date: Sun, 8 Jan 2023 22:59:41 -0600
Subject: rustc_codegen_ssa: Set e_flags for AVR architecture based on target
 CPU

---
 compiler/rustc_codegen_ssa/src/back/metadata.rs | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'compiler/rustc_codegen_ssa/src/back')

diff --git a/compiler/rustc_codegen_ssa/src/back/metadata.rs b/compiler/rustc_codegen_ssa/src/back/metadata.rs
index 8bf84772f08..aca0bf6a6e7 100644
--- a/compiler/rustc_codegen_ssa/src/back/metadata.rs
+++ b/compiler/rustc_codegen_ssa/src/back/metadata.rs
@@ -20,7 +20,7 @@ use rustc_metadata::EncodedMetadata;
 use rustc_session::cstore::MetadataLoader;
 use rustc_session::Session;
 use rustc_target::abi::Endian;
-use rustc_target::spec::{RelocModel, Target};
+use rustc_target::spec::{ef_avr_arch, RelocModel, Target};
 
 /// The default metadata loader. This is used by cg_llvm and cg_clif.
 ///
@@ -243,6 +243,11 @@ pub(crate) fn create_object_file(sess: &Session) -> Option<write::Object<'static
             // Source: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html#_e_flags_identifies_abi_type_and_version
             elf::EF_LARCH_OBJABI_V1 | elf::EF_LARCH_ABI_DOUBLE_FLOAT
         }
+        Architecture::Avr => {
+            // Resolve the ISA revision and set
+            // the appropriate EF_AVR_ARCH flag.
+            ef_avr_arch(&sess.target.options.cpu)
+        }
         _ => 0,
     };
     // adapted from LLVM's `MCELFObjectTargetWriter::getOSABI`
-- 
cgit 1.4.1-3-g733a5