1 //===-- RegisterContextPOSIXCore_arm.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 "RegisterContextPOSIXCore_arm.h"
11
12 #include "lldb/Target/Thread.h"
13 #include "lldb/Utility/RegisterValue.h"
14
15 using namespace lldb_private;
16
RegisterContextCorePOSIX_arm(Thread & thread,RegisterInfoInterface * register_info,const DataExtractor & gpregset,llvm::ArrayRef<CoreNote> notes)17 RegisterContextCorePOSIX_arm::RegisterContextCorePOSIX_arm(
18 Thread &thread, RegisterInfoInterface *register_info,
19 const DataExtractor &gpregset, llvm::ArrayRef<CoreNote> notes)
20 : RegisterContextPOSIX_arm(thread, 0, register_info) {
21 m_gpr_buffer.reset(
22 new DataBufferHeap(gpregset.GetDataStart(), gpregset.GetByteSize()));
23 m_gpr.SetData(m_gpr_buffer);
24 m_gpr.SetByteOrder(gpregset.GetByteOrder());
25 }
26
~RegisterContextCorePOSIX_arm()27 RegisterContextCorePOSIX_arm::~RegisterContextCorePOSIX_arm() {}
28
ReadGPR()29 bool RegisterContextCorePOSIX_arm::ReadGPR() { return true; }
30
ReadFPR()31 bool RegisterContextCorePOSIX_arm::ReadFPR() { return false; }
32
WriteGPR()33 bool RegisterContextCorePOSIX_arm::WriteGPR() {
34 assert(0);
35 return false;
36 }
37
WriteFPR()38 bool RegisterContextCorePOSIX_arm::WriteFPR() {
39 assert(0);
40 return false;
41 }
42
ReadRegister(const RegisterInfo * reg_info,RegisterValue & value)43 bool RegisterContextCorePOSIX_arm::ReadRegister(const RegisterInfo *reg_info,
44 RegisterValue &value) {
45 lldb::offset_t offset = reg_info->byte_offset;
46 uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size);
47 if (offset == reg_info->byte_offset + reg_info->byte_size) {
48 value = v;
49 return true;
50 }
51 return false;
52 }
53
ReadAllRegisterValues(lldb::DataBufferSP & data_sp)54 bool RegisterContextCorePOSIX_arm::ReadAllRegisterValues(
55 lldb::DataBufferSP &data_sp) {
56 return false;
57 }
58
WriteRegister(const RegisterInfo * reg_info,const RegisterValue & value)59 bool RegisterContextCorePOSIX_arm::WriteRegister(const RegisterInfo *reg_info,
60 const RegisterValue &value) {
61 return false;
62 }
63
WriteAllRegisterValues(const lldb::DataBufferSP & data_sp)64 bool RegisterContextCorePOSIX_arm::WriteAllRegisterValues(
65 const lldb::DataBufferSP &data_sp) {
66 return false;
67 }
68
HardwareSingleStep(bool enable)69 bool RegisterContextCorePOSIX_arm::HardwareSingleStep(bool enable) {
70 return false;
71 }
72