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📄 ABISysV_arc.cpp(20.08 KB)
📄 ABISysV_arc.h(3.66 KB)

Editing: ABISysV_arc.h

//===-- ArchitectureArc.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef liblldb_ABISysV_arc_h_
#define liblldb_ABISysV_arc_h_

// Other libraries and framework includes
#include <llvm/ADT/Optional.h>

// Project includes
#include "lldb/Target/ABI.h"
#include "lldb/lldb-private.h"

class ABISysV_arc : public lldb_private::RegInfoBasedABI {
public:
  ~ABISysV_arc() override = default;

size_t GetRedZoneSize() const override;

bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,
                          lldb::addr_t functionAddress,
                          lldb::addr_t returnAddress,
                          llvm::ArrayRef<lldb::addr_t> args) const override;

// Special thread plan for GDB style non-jit function calls.
  bool
  PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,
                     lldb::addr_t functionAddress, lldb::addr_t returnAddress,
                     llvm::Type &prototype,
                     llvm::ArrayRef<ABI::CallArgument> args) const override;

bool GetArgumentValues(lldb_private::Thread &thread,
                         lldb_private::ValueList &values) const override;

lldb_private::Status
  SetReturnValueObject(lldb::StackFrameSP &frame_sp,
                       lldb::ValueObjectSP &new_value) override;

lldb::ValueObjectSP
  GetReturnValueObjectImpl(lldb_private::Thread &thread,
                           lldb_private::CompilerType &type) const override;

// Specialized to work with llvm IR types.
  lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread,
                                               llvm::Type &type) const override;

bool
  CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override;

bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override;

bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;

bool CallFrameAddressIsValid(lldb::addr_t cfa) override {
    // Stack call frame address must be 4 byte aligned.
    return (cfa & 0x3ull) == 0;
  }

bool CodeAddressIsValid(lldb::addr_t pc) override {
    // Code addresse must be 2 byte aligned.
    return (pc & 1ull) == 0;
  }

const lldb_private::RegisterInfo *
  GetRegisterInfoArray(uint32_t &count) override;

//------------------------------------------------------------------
  // Static Functions
  //------------------------------------------------------------------

static void Initialize();

static void Terminate();

static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp,
                                    const lldb_private::ArchSpec &arch);

static lldb_private::ConstString GetPluginNameStatic();

//------------------------------------------------------------------
  // PluginInterface protocol
  //------------------------------------------------------------------

lldb_private::ConstString GetPluginName() override;

uint32_t GetPluginVersion() override;

private:
  lldb::ValueObjectSP
  GetReturnValueObjectSimple(lldb_private::Thread &thread,
                             lldb_private::CompilerType &ast_type) const;

bool IsRegisterFileReduced(lldb_private::RegisterContext &reg_ctx) const;

using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.

using RegisterFileFlag = llvm::Optional<bool>;
  mutable RegisterFileFlag m_is_reg_file_reduced;
};

#endif // liblldb_ABISysV_arc_h_

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