[MC] Implement RV64GC assembly emission

1 files changed, 57 insertions, 0 deletions

diff --git a/backend/include/rcc/CodeGen/AsmPrinter.h b/backend/include/rcc/CodeGen/AsmPrinter.h
new file mode 100644
index 0000000..82bad7d
--- /dev/null
+++ b/backend/include/rcc/CodeGen/AsmPrinter.h
@@ -0,0 +1,57 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef RCC_CODEGEN_ASMPRINTER_H
+#define RCC_CODEGEN_ASMPRINTER_H
+
+#include "rcc/Support/Error.h"
+
+namespace rcc {
+
+class CompilationUnit;
+class MachineFunction;
+class MachineMCContext;
+class TargetDescription;
+class TargetMCInstLowering;
+
+namespace mc {
+class MCStreamer;
+} // namespace mc
+
+struct AsmPrinterOptions final {
+  bool EmitFunctionDirectives = true;
+  bool EmitCFI = true;
+  bool EmitBlockLabels = true;
+  bool EmitInstructionSymbols = true;
+  bool VerifyInput = true;
+};
+
+class AsmPrinter final {
+public:
+  AsmPrinter(const TargetDescription &Target, const TargetMCInstLowering &Lowering,
+             MachineMCContext &Context, mc::MCStreamer &Streamer,
+             AsmPrinterOptions Options = {}) noexcept
+      : Target(&Target), Lowering(&Lowering), Context(&Context), Streamer(&Streamer),
+        Options(Options) {}
+
+  [[nodiscard]] Expected<void> emitCompilationUnit(const CompilationUnit &Unit);
+  [[nodiscard]] Expected<void> emitFunction(const MachineFunction &Function);
+
+private:
+  [[nodiscard]] Expected<void> verifyFunction(const MachineFunction &Function) const;
+  [[nodiscard]] Expected<void> emitGlobalObjects(const CompilationUnit &Unit);
+  [[nodiscard]] Expected<void> emitFunctionBody(const MachineFunction &Function);
+  [[nodiscard]] Expected<void> emitConstantPool(const MachineFunction &Function);
+  [[nodiscard]] Expected<void> emitJumpTables(const MachineFunction &Function);
+
+  const TargetDescription *Target;
+  const TargetMCInstLowering *Lowering;
+  MachineMCContext *Context;
+  mc::MCStreamer *Streamer;
+  AsmPrinterOptions Options;
+  bool UnitEmissionStarted = false;
+  bool UnitEmissionFinished = false;
+};
+
+} // namespace rcc
+
+#endif // RCC_CODEGEN_ASMPRINTER_H