LLDB  mainline
ABISysV_mips.h
Go to the documentation of this file.
1 //===-- ABISysV_mips.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_MIPS_ABISYSV_MIPS_H
10 #define LLDB_SOURCE_PLUGINS_ABI_MIPS_ABISYSV_MIPS_H
11 
12 #include "lldb/Target/ABI.h"
13 #include "lldb/lldb-private.h"
14 
16 public:
17  ~ABISysV_mips() override = default;
18 
19  size_t GetRedZoneSize() const override;
20 
22  lldb::addr_t functionAddress,
23  lldb::addr_t returnAddress,
24  llvm::ArrayRef<lldb::addr_t> args) const override;
25 
27  lldb_private::ValueList &values) const override;
28 
30  SetReturnValueObject(lldb::StackFrameSP &frame_sp,
31  lldb::ValueObjectSP &new_value) override;
32 
33  lldb::ValueObjectSP
35  lldb_private::CompilerType &type) const override;
36 
37  bool
39 
40  bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override;
41 
42  bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override;
43 
44  bool IsSoftFloat(uint32_t fp_flag) const;
45 
47  // Make sure the stack call frame addresses are 8 byte aligned
48  if (cfa & (8ull - 1ull))
49  return false; // Not 8 byte aligned
50  if (cfa == 0)
51  return false; // Zero is not a valid stack address
52  return true;
53  }
54 
56  // Just make sure the address is a valid 32 bit address. Bit zero
57  // might be set due to MicroMIPS function calls, so don't enforce alignment.
58  return (pc <= UINT32_MAX);
59  }
60 
61  const lldb_private::RegisterInfo *
62  GetRegisterInfoArray(uint32_t &count) override;
63 
64  // Static Functions
65 
66  static void Initialize();
67 
68  static void Terminate();
69 
70  static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch);
71 
73 
74  // PluginInterface protocol
75 
77 
78 protected:
80 
81  lldb::ValueObjectSP
83  lldb_private::CompilerType &ast_type) const;
84 
85  bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
86 
87 private:
88  using lldb_private::RegInfoBasedABI::RegInfoBasedABI; // Call CreateInstance instead.
89 };
90 
91 #endif // LLDB_SOURCE_PLUGINS_ABI_MIPS_ABISYSV_MIPS_H
ABISysV_mips::SetReturnValueObject
lldb_private::Status SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) override
Definition: ABISysV_mips.cpp:699
ABISysV_mips::PrepareTrivialCall
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
Definition: ABISysV_mips.cpp:567
lldb_private::ArchSpec
Definition: ArchSpec.h:33
ABISysV_mips::GetPluginNameStatic
static lldb_private::ConstString GetPluginNameStatic()
Definition: ABISysV_mips.cpp:1056
ABISysV_mips::GetRegisterInfoArray
const lldb_private::RegisterInfo * GetRegisterInfoArray(uint32_t &count) override
Definition: ABISysV_mips.cpp:547
ABISysV_mips::CreateRegisterMapIfNeeded
void CreateRegisterMapIfNeeded()
ABISysV_mips::RegisterIsCalleeSaved
bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info)
Definition: ABISysV_mips.cpp:1009
lldb_private::ValueList
Definition: Value.h:157
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
pc
@ pc
Definition: CompactUnwindInfo.cpp:1250
ABI.h
ABISysV_mips::GetArgumentValues
bool GetArgumentValues(lldb_private::Thread &thread, lldb_private::ValueList &values) const override
Definition: ABISysV_mips.cpp:695
lldb_private::Thread
Definition: Thread.h:62
ABISysV_mips::CodeAddressIsValid
bool CodeAddressIsValid(lldb::addr_t pc) override
Definition: ABISysV_mips.h:55
lldb_private::ConstString
Definition: ConstString.h:40
sp
@ sp
Definition: CompactUnwindInfo.cpp:1249
ABISysV_mips::GetReturnValueObjectImpl
lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread, lldb_private::CompilerType &type) const override
Definition: ABISysV_mips.cpp:779
lldb_private::RegInfoBasedABI
Definition: ABI.h:160
ABISysV_mips::CreateDefaultUnwindPlan
bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
Definition: ABISysV_mips.cpp:982
ABISysV_mips::GetReturnValueObjectSimple
lldb::ValueObjectSP GetReturnValueObjectSimple(lldb_private::Thread &thread, lldb_private::CompilerType &ast_type) const
Definition: ABISysV_mips.cpp:773
lldb-private.h
ABISysV_mips::CreateInstance
static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch)
Definition: ABISysV_mips.cpp:557
ABISysV_mips::CallFrameAddressIsValid
bool CallFrameAddressIsValid(lldb::addr_t cfa) override
Definition: ABISysV_mips.h:46
lldb_private::Status
Definition: Status.h:44
uint32_t
ABISysV_mips::GetPluginName
lldb_private::ConstString GetPluginName() override
Definition: ABISysV_mips.cpp:1063
ABISysV_mips::IsSoftFloat
bool IsSoftFloat(uint32_t fp_flag) const
Definition: ABISysV_mips.cpp:1005
ABISysV_mips::RegisterIsVolatile
bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override
Definition: ABISysV_mips.cpp:1001
ABISysV_mips::Initialize
static void Initialize()
Definition: ABISysV_mips.cpp:1047
UINT32_MAX
#define UINT32_MAX
Definition: lldb-defines.h:31
lldb_private::CompilerType
Generic representation of a type in a programming language.
Definition: CompilerType.h:33
ABISysV_mips::Terminate
static void Terminate()
Definition: ABISysV_mips.cpp:1052
ABISysV_mips::~ABISysV_mips
~ABISysV_mips() override=default
ABISysV_mips::GetRedZoneSize
size_t GetRedZoneSize() const override
Definition: ABISysV_mips.cpp:552
lldb_private::UnwindPlan
Definition: UnwindPlan.h:53
ABISysV_mips::CreateFunctionEntryUnwindPlan
bool CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
Definition: ABISysV_mips.cpp:961
ABISysV_mips
Definition: ABISysV_mips.h:15