1 //===-- NativeThreadProtocol.cpp --------------------------------*- C++ -*-===//
2 //
3 // The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9
10 #include "lldb/Host/common/NativeThreadProtocol.h"
11
12 #include "lldb/Host/common/NativeProcessProtocol.h"
13 #include "lldb/Host/common/NativeRegisterContext.h"
14 #include "lldb/Host/common/SoftwareBreakpoint.h"
15
16 using namespace lldb;
17 using namespace lldb_private;
18
NativeThreadProtocol(NativeProcessProtocol * process,lldb::tid_t tid)19 NativeThreadProtocol::NativeThreadProtocol (NativeProcessProtocol *process, lldb::tid_t tid) :
20 m_process_wp (process->shared_from_this ()),
21 m_tid (tid)
22 {
23 }
24
25 Error
ReadRegister(uint32_t reg,RegisterValue & reg_value)26 NativeThreadProtocol::ReadRegister (uint32_t reg, RegisterValue ®_value)
27 {
28 NativeRegisterContextSP register_context_sp = GetRegisterContext ();
29 if (!register_context_sp)
30 return Error ("no register context");
31
32 const RegisterInfo *const reg_info = register_context_sp->GetRegisterInfoAtIndex (reg);
33 if (!reg_info)
34 return Error ("no register info for reg num %" PRIu32, reg);
35
36 return register_context_sp->ReadRegister (reg_info, reg_value);;
37 }
38
39 Error
WriteRegister(uint32_t reg,const RegisterValue & reg_value)40 NativeThreadProtocol::WriteRegister (uint32_t reg, const RegisterValue ®_value)
41 {
42 NativeRegisterContextSP register_context_sp = GetRegisterContext ();
43 if (!register_context_sp)
44 return Error ("no register context");
45
46 const RegisterInfo *const reg_info = register_context_sp->GetRegisterInfoAtIndex (reg);
47 if (!reg_info)
48 return Error ("no register info for reg num %" PRIu32, reg);
49
50 return register_context_sp->WriteRegister (reg_info, reg_value);
51 }
52
53 Error
SaveAllRegisters(lldb::DataBufferSP & data_sp)54 NativeThreadProtocol::SaveAllRegisters (lldb::DataBufferSP &data_sp)
55 {
56 NativeRegisterContextSP register_context_sp = GetRegisterContext ();
57 if (!register_context_sp)
58 return Error ("no register context");
59 return register_context_sp->WriteAllRegisterValues (data_sp);
60 }
61
62 Error
RestoreAllRegisters(lldb::DataBufferSP & data_sp)63 NativeThreadProtocol::RestoreAllRegisters (lldb::DataBufferSP &data_sp)
64 {
65 NativeRegisterContextSP register_context_sp = GetRegisterContext ();
66 if (!register_context_sp)
67 return Error ("no register context");
68 return register_context_sp->ReadAllRegisterValues (data_sp);
69 }
70
71 NativeProcessProtocolSP
GetProcess()72 NativeThreadProtocol::GetProcess ()
73 {
74 return m_process_wp.lock ();
75 }
76