1//===-- ABISysV_loongarch.h -------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H
10#define LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H
11
12// Other libraries and framework includes
13#include "llvm/TargetParser/Triple.h"
14
15// Project includes
16#include "lldb/Target/ABI.h"
17#include "lldb/Target/Process.h"
18#include "lldb/Utility/Flags.h"
19#include "lldb/lldb-private.h"
20
21class ABISysV_loongarch : public lldb_private::RegInfoBasedABI {
22public:
23 ~ABISysV_loongarch() override = default;
24
25 size_t GetRedZoneSize() const override { return 0; }
26
27 bool PrepareTrivialCall(lldb_private::Thread &thread, lldb::addr_t sp,
28 lldb::addr_t functionAddress,
29 lldb::addr_t returnAddress,
30 llvm::ArrayRef<lldb::addr_t> args) const override;
31
32 bool GetArgumentValues(lldb_private::Thread &thread,
33 lldb_private::ValueList &values) const override;
34
35 lldb_private::Status
36 SetReturnValueObject(lldb::StackFrameSP &frame_sp,
37 lldb::ValueObjectSP &new_value) override;
38
39 lldb::ValueObjectSP
40 GetReturnValueObjectImpl(lldb_private::Thread &thread,
41 lldb_private::CompilerType &type) const override;
42
43 lldb::UnwindPlanSP CreateFunctionEntryUnwindPlan() override;
44
45 lldb::UnwindPlanSP CreateDefaultUnwindPlan() override;
46
47 bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;
48
49 bool CallFrameAddressIsValid(lldb::addr_t cfa) override {
50 // The CFA must be 16 byte aligned.
51 return (cfa & 0xfull) == 0;
52 }
53
54 void SetIsLA64(bool is_la64) { m_is_la64 = is_la64; }
55
56 bool CodeAddressIsValid(lldb::addr_t pc) override {
57 // Code address must be 4 byte aligned.
58 if (pc & (4ull - 1ull))
59 return false;
60
61 return true;
62 }
63
64 const lldb_private::RegisterInfo *
65 GetRegisterInfoArray(uint32_t &count) override;
66
67 //------------------------------------------------------------------
68 // Static Functions
69 //------------------------------------------------------------------
70
71 static void Initialize();
72
73 static void Terminate();
74
75 static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp,
76 const lldb_private::ArchSpec &arch);
77
78 static llvm::StringRef GetPluginNameStatic() { return "sysv-loongarch"; }
79
80 //------------------------------------------------------------------
81 // PluginInterface protocol
82 //------------------------------------------------------------------
83
84 llvm::StringRef GetPluginName() override { return GetPluginNameStatic(); }
85
86protected:
87 void AugmentRegisterInfo(
88 std::vector<lldb_private::DynamicRegisterInfo::Register> &regs) override;
89
90 bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
91
92private:
93 lldb::ValueObjectSP
94 GetReturnValueObjectSimple(lldb_private::Thread &thread,
95 lldb_private::CompilerType &ast_type) const;
96
97 using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance
98 // instead.
99 bool m_is_la64;
100};
101
102#endif // LLDB_SOURCE_PLUGINS_ABI_LOONGARCH_ABISYSV_LOONGARCH_H
103

source code of lldb/source/Plugins/ABI/LoongArch/ABISysV_loongarch.h