[MC] Implement RV64GC assembly emission

1 files changed, 43 insertions, 0 deletions

diff --git a/backend/include/rcc/MC/MCContext.h b/backend/include/rcc/MC/MCContext.h
new file mode 100644
index 0000000..e9b2d90
--- /dev/null
+++ b/backend/include/rcc/MC/MCContext.h
@@ -0,0 +1,43 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_MC_MCCONTEXT_H
+#define RCC_MC_MCCONTEXT_H
+
+#include "rcc/MC/MCSection.h"
+#include "rcc/MC/MCSymbol.h"
+#include "rcc/Support/Error.h"
+
+#include <cstdint>
+#include <functional>
+#include <string>
+#include <string_view>
+#include <unordered_map>
+
+namespace rcc::mc {
+
+class MCContext final {
+public:
+  [[nodiscard]] Expected<MCSymbolRef> getOrCreateSymbol(std::string Name, MCSymbolKind Kind);
+  [[nodiscard]] Expected<MCSymbolRef> createTemporarySymbol(std::string_view Prefix);
+  [[nodiscard]] MCSymbolRef symbol(std::string_view Name) const noexcept;
+
+  [[nodiscard]] Expected<MCSectionRef> getOrCreateSection(MCSectionDesc Description);
+  [[nodiscard]] MCSectionRef section(std::string_view Name) const noexcept;
+
+private:
+  struct StringHash final {
+    using is_transparent = void; // NOLINT(readability-identifier-naming)
+
+    [[nodiscard]] std::size_t operator()(std::string_view Value) const noexcept {
+      return std::hash<std::string_view>{}(Value);
+    }
+  };
+
+  std::unordered_map<std::string, MCSymbolRef, StringHash, std::equal_to<>> Symbols;
+  std::unordered_map<std::string, MCSectionRef, StringHash, std::equal_to<>> Sections;
+  std::uint64_t NextTemporarySymbol = 0;
+};
+
+} // namespace rcc::mc
+
+#endif // RCC_MC_MCCONTEXT_H