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//===-- ABISysV_arc.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 <optional>
// 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 llvm::StringRef GetPluginNameStatic() { return "sysv-arc"; }
//------------------------------------------------------------------
// PluginInterface protocol
//------------------------------------------------------------------
llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
private:
lldb::ValueObjectSP
GetReturnValueObjectSimple(lldb_private::Thread &thread,
lldb_private::CompilerType &ast_type) const;
bool IsRegisterFileReduced(lldb_private::RegisterContext ®_ctx) const;
using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.
using RegisterFileFlag = std::optional<bool>;
mutable RegisterFileFlag m_is_reg_file_reduced;
};
#endif // liblldb_ABISysV_arc_h_
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