================ @@ -0,0 +1,104 @@ +//===-- ABISysV_loongarch.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 LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H +#define LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H + +// Other libraries and framework includes +#include "llvm/TargetParser/Triple.h" + +// Project includes +#include "lldb/Target/ABI.h" +#include "lldb/Target/Process.h" +#include "lldb/Utility/Flags.h" +#include "lldb/lldb-private.h" + +class ABISysV_loongarch : public lldb_private::RegInfoBasedABI { +public: + ~ABISysV_loongarch() override = default; + + size_t GetRedZoneSize() const override { return 0; } + + 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; + + bool CallFrameAddressIsValid(lldb::addr_t cfa) override { + // The CFA must be 16 byte aligned. + return (cfa & 0xfull) == 0; + } + + void SetIsLA64(bool is_la64) { m_is_la64 = is_la64; } + + bool CodeAddressIsValid(lldb::addr_t pc) override { + // Code address must be 4 byte aligned. + if (pc & (4ull - 1ull)) + return false; + + return true; + } + + 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-loongarch"; } + + //------------------------------------------------------------------ + // PluginInterface protocol + //------------------------------------------------------------------ + + llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); } + +protected: + void AugmentRegisterInfo( + std::vector<lldb_private::DynamicRegisterInfo::Register> ®s) override; + + bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info); + +private: + lldb::ValueObjectSP + GetReturnValueObjectSimple(lldb_private::Thread &thread, + lldb_private::CompilerType &ast_type) const; + + using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance + // instead. + bool m_is_la64; // true if target is loongarch64; false if target is ---------------- SixWeining wrote:
Seems the comments are redundant. https://github.com/llvm/llvm-project/pull/114742 _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
