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NativeRegisterContextWindows_i386.h
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1 //===-- NativeRegisterContextWindows_i386.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 #if defined(__i386__) || defined(_M_IX86)
10 #ifndef liblldb_NativeRegisterContextWindows_i386_h_
11 #define liblldb_NativeRegisterContextWindows_i386_h_
12 
15 
17 
18 namespace lldb_private {
19 
20 class NativeThreadWindows;
21 
22 class NativeRegisterContextWindows_i386 : public NativeRegisterContextWindows {
23 public:
24  NativeRegisterContextWindows_i386(const ArchSpec &target_arch,
25  NativeThreadProtocol &native_thread);
26 
27  uint32_t GetRegisterSetCount() const override;
28 
29  const RegisterSet *GetRegisterSet(uint32_t set_index) const override;
30 
31  Status ReadRegister(const RegisterInfo *reg_info,
32  RegisterValue &reg_value) override;
33 
34  Status WriteRegister(const RegisterInfo *reg_info,
35  const RegisterValue &reg_value) override;
36 
37  Status ReadAllRegisterValues(lldb::WritableDataBufferSP &data_sp) override;
38 
39  Status WriteAllRegisterValues(const lldb::DataBufferSP &data_sp) override;
40 
41  Status IsWatchpointHit(uint32_t wp_index, bool &is_hit) override;
42 
43  Status GetWatchpointHitIndex(uint32_t &wp_index,
44  lldb::addr_t trap_addr) override;
45 
46  Status IsWatchpointVacant(uint32_t wp_index, bool &is_vacant) override;
47 
48  bool ClearHardwareWatchpoint(uint32_t wp_index) override;
49 
50  Status ClearAllHardwareWatchpoints() override;
51 
52  uint32_t SetHardwareWatchpoint(lldb::addr_t addr, size_t size,
53  uint32_t watch_flags) override;
54 
55  lldb::addr_t GetWatchpointAddress(uint32_t wp_index) override;
56 
57  uint32_t NumSupportedHardwareWatchpoints() override;
58 
59 protected:
60  Status GPRRead(const uint32_t reg, RegisterValue &reg_value);
61  Status GPRWrite(const uint32_t reg, const RegisterValue &reg_value);
62 
63  Status DRRead(const uint32_t reg, RegisterValue &reg_value);
64  Status DRWrite(const uint32_t reg, const RegisterValue &reg_value);
65 
66 private:
67  Status ApplyHardwareBreakpoint(uint32_t wp_index, lldb::addr_t addr,
68  size_t size, uint32_t flags);
69 
70  bool IsGPR(uint32_t reg_index) const;
71  bool IsDR(uint32_t reg_index) const;
72 };
73 
74 } // namespace lldb_private
75 
76 #endif // liblldb_NativeRegisterContextWindows_i386_h_
77 #endif // defined(__i386__) || defined(_M_IX86)
NativeRegisterContextWindows.h
lldb::addr_t
uint64_t addr_t
Definition: lldb-types.h:83
uint32_t
lldb-x86-register-enums.h
RegisterContext_x86.h
lldb_private
A class that represents a running process on the host machine.
Definition: SBCommandInterpreterRunOptions.h:16
lldb_private::LineStatus::Status
@ Status