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| //===-- ABIWindows_x86_64.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_ABIWindows_x86_64_h_
#define liblldb_ABIWindows_x86_64_h_
#include "lldb/Target/ABI.h"
#include "lldb/lldb-private.h"
class ABIWindows_x86_64 : public lldb_private::ABI {
public:
~ABIWindows_x86_64() 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;
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;
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;
// In Windows_x86_64 ABI, stack will always be maintained 16-byte aligned
bool CallFrameAddressIsValid(lldb::addr_t cfa) override {
if (cfa & (16ull - 1ull))
return false; // Not 16 byte aligned
if (cfa == 0)
return false; // Zero is not a valid stack address
return true;
}
bool CodeAddressIsValid(lldb::addr_t pc) override {
// We have a 64 bit address space, so anything is valid as opcodes
// aren't fixed width...
return true;
}
const lldb_private::RegisterInfo *
GetRegisterInfoArray(uint32_t &count) override;
bool GetPointerReturnRegister(const char *&name) 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;
protected:
void CreateRegisterMapIfNeeded();
lldb::ValueObjectSP
GetReturnValueObjectSimple(lldb_private::Thread &thread,
lldb_private::CompilerType &ast_type) const;
bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
private:
ABIWindows_x86_64(lldb::ProcessSP process_sp,
std::unique_ptr<llvm::MCRegisterInfo> info_up)
: lldb_private::ABI(std::move(process_sp), std::move(info_up)) {
// Call CreateInstance instead.
}
};
#endif // liblldb_ABISysV_x86_64_h_
|