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ABISysV_mips.h
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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 liblldb_ABISysV_mips_h_
10 #define liblldb_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  uint32_t GetPluginVersion() override;
79 
80 protected:
82 
83  lldb::ValueObjectSP
85  lldb_private::CompilerType &ast_type) const;
86 
87  bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info);
88 
89 private:
90  ABISysV_mips(lldb::ProcessSP process_sp) : lldb_private::ABI(process_sp) {
91  // Call CreateInstance instead.
92  }
93 };
94 
95 #endif // liblldb_ABISysV_mips_h_
bool CreateDefaultUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
bool RegisterIsCalleeSaved(const lldb_private::RegisterInfo *reg_info)
uint32_t GetPluginVersion() override
static lldb_private::ConstString GetPluginNameStatic()
An architecture specification class.
Definition: ArchSpec.h:32
lldb_private::ConstString GetPluginName() override
bool CreateFunctionEntryUnwindPlan(lldb_private::UnwindPlan &unwind_plan) override
static void Initialize()
lldb::ValueObjectSP GetReturnValueObjectSimple(lldb_private::Thread &thread, lldb_private::CompilerType &ast_type) const
static lldb::ABISP CreateInstance(lldb::ProcessSP process_sp, const lldb_private::ArchSpec &arch)
lldb_private::Status SetReturnValueObject(lldb::StackFrameSP &frame_sp, lldb::ValueObjectSP &new_value) 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
#define UINT32_MAX
Definition: lldb-defines.h:31
bool GetArgumentValues(lldb_private::Thread &thread, lldb_private::ValueList &values) const override
lldb::ValueObjectSP GetReturnValueObjectImpl(lldb_private::Thread &thread, lldb_private::CompilerType &type) const override
uint64_t addr_t
Definition: lldb-types.h:83
static void Terminate()
A uniqued constant string class.
Definition: ConstString.h:38
bool CodeAddressIsValid(lldb::addr_t pc) override
Definition: ABISysV_mips.h:55
size_t GetRedZoneSize() const override
bool IsSoftFloat(uint32_t fp_flag) const
void CreateRegisterMapIfNeeded()
bool RegisterIsVolatile(const lldb_private::RegisterInfo *reg_info) override
~ABISysV_mips() override=default
bool CallFrameAddressIsValid(lldb::addr_t cfa) override
Definition: ABISysV_mips.h:46
const lldb_private::RegisterInfo * GetRegisterInfoArray(uint32_t &count) override
An error handling class.
Definition: Status.h:44