From 3a57627e59ba18b6f9f9aae7bb60c390c0d3575a Mon Sep 17 00:00:00 2001
From: Richard-Qin-X <richard.qin.001@gmail.com>
Date: Sun, 9 Aug 2026 22:05:14 +0800
Subject: [MC] Implement RV64GC object emission

---
 backend/lib/MC/MCAsmBackend.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 backend/lib/MC/MCAsmBackend.cpp

(limited to 'backend/lib/MC/MCAsmBackend.cpp')

diff --git a/backend/lib/MC/MCAsmBackend.cpp b/backend/lib/MC/MCAsmBackend.cpp
new file mode 100644
index 0000000..bc350b7
--- /dev/null
+++ b/backend/lib/MC/MCAsmBackend.cpp
@@ -0,0 +1,25 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "rcc/MC/MCAsmBackend.h"
+
+namespace rcc::mc {
+
+Expected<std::vector<MCFixupRelocation>>
+MCAsmBackend::relocationsForFixup(const MCFixup &Fixup, const MCValue &Value) const {
+  if (!Value.AddSymbol || Value.SubtractSymbol) {
+    return makeUnexpected(ErrorCode::RelocationFailed,
+                          "MC backend cannot represent this expression as one relocation");
+  }
+  auto Type = relocationType(Fixup, Value);
+  if (!Type)
+    return std::unexpected(Type.error());
+  return std::vector<MCFixupRelocation>{
+      {.Type = *Type, .Symbol = Value.AddSymbol, .Addend = Value.Addend}};
+}
+
+Expected<MCInst> MCAsmBackend::relaxInstruction(const MCInst &) const {
+  return makeUnexpected(ErrorCode::InstructionEncodingFailed,
+                        "target does not support MC instruction relaxation");
+}
+
+} // namespace rcc::mc
-- 
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