ppcruntime_printer.h

// This file if part of the llir-opt project.
// Licensing information can be found in the LICENSE file.
// (C) 2018 Nandor Licker. All rights reserved.
 
#pragma once
 
#include <llvm/Pass.h>
#include <llvm/MC/MCObjectFileInfo.h>
#include <llvm/MC/MCStreamer.h>
#include <llvm/Target/PowerPC/PPCSubtarget.h>
 
#include "emitter/runtime_printer.h"
 
class Prog;
class Data;
 
 
 
class PPCRuntimePrinter final : public RuntimePrinter {
public:
  static char ID;
 
  PPCRuntimePrinter(
      const Prog &prog,
      const llvm::TargetMachine &tm,
      llvm::MCContext &ctx,
      llvm::MCStreamer &os,
      const llvm::MCObjectFileInfo &objInfo,
      bool shared
  );
 
private:
  llvm::StringRef getPassName() const override;
 
private:
  void EmitCamlCallGc(llvm::Function &F) override;
  void EmitCamlCCall(llvm::Function &F) override;
 
private:
  llvm::MCSymbol *LowerSymbol(const char *name);
  void EmitFunctionStart(
      const char *name,
      const llvm::PPCSubtarget &sti
  );
  void LoadCamlState(llvm::Register state, const llvm::PPCSubtarget &sti);
  void StoreState(
      llvm::Register state,
      llvm::Register val,
      const char *name,
      const llvm::PPCSubtarget &sti
  );
  void LoadState(
      llvm::Register state,
      llvm::Register val,
      const char *name,
      const llvm::PPCSubtarget &sti
  );
};