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/include/rcc/Target/RISCV/RISCVAsmBackend.h | 30 ++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 backend/include/rcc/Target/RISCV/RISCVAsmBackend.h

(limited to 'backend/include/rcc/Target/RISCV/RISCVAsmBackend.h')

diff --git a/backend/include/rcc/Target/RISCV/RISCVAsmBackend.h b/backend/include/rcc/Target/RISCV/RISCVAsmBackend.h
new file mode 100644
index 0000000..11dcb77
--- /dev/null
+++ b/backend/include/rcc/Target/RISCV/RISCVAsmBackend.h
@@ -0,0 +1,30 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_TARGET_RISCV_RISCVASMBACKEND_H
+#define RCC_TARGET_RISCV_RISCVASMBACKEND_H
+
+#include "rcc/MC/MCAsmBackend.h"
+
+namespace rcc::riscv {
+
+class RISCVAsmBackend final : public mc::MCAsmBackend {
+public:
+  [[nodiscard]] Expected<mc::MCFixupKindInfo> fixupKindInfo(mc::MCFixupKind Kind) const override;
+  [[nodiscard]] Expected<void> applyFixup(mc::MCFixupKind Kind, std::span<std::uint8_t> Data,
+                                          std::uint64_t Offset, std::int64_t Value) const override;
+  [[nodiscard]] Expected<std::uint32_t> relocationType(const mc::MCFixup &Fixup,
+                                                       const mc::MCValue &Value) const override;
+  [[nodiscard]] Expected<std::vector<mc::MCFixupRelocation>>
+  relocationsForFixup(const mc::MCFixup &Fixup, const mc::MCValue &Value) const override;
+
+  [[nodiscard]] bool mayNeedRelaxation(const mc::MCInst &Instruction) const noexcept override;
+  [[nodiscard]] Expected<bool> fixupNeedsRelaxation(const mc::MCFixup &Fixup,
+                                                    std::int64_t Value) const override;
+  [[nodiscard]] Expected<mc::MCInst> relaxInstruction(const mc::MCInst &Instruction) const override;
+
+  [[nodiscard]] std::uint32_t objectFlags() const noexcept override;
+};
+
+} // namespace rcc::riscv
+
+#endif // RCC_TARGET_RISCV_RISCVASMBACKEND_H
-- 
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