1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
//===-- RegisterContextPOSIXCore_s390x.cpp ----------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "RegisterContextPOSIXCore_s390x.h"
#include "lldb/Target/Thread.h"
#include "lldb/Utility/DataBufferHeap.h"
#include "lldb/Utility/RegisterValue.h"
using namespace lldb_private;
RegisterContextCorePOSIX_s390x::RegisterContextCorePOSIX_s390x(
Thread &thread, RegisterInfoInterface *register_info,
const DataExtractor &gpregset, llvm::ArrayRef<CoreNote> notes)
: RegisterContextPOSIX_s390x(thread, 0, register_info) {
m_gpr_buffer.reset(
new DataBufferHeap(gpregset.GetDataStart(), gpregset.GetByteSize()));
m_gpr.SetData(m_gpr_buffer);
m_gpr.SetByteOrder(gpregset.GetByteOrder());
DataExtractor fpregset = getRegset(
notes, register_info->GetTargetArchitecture().GetTriple(), FPR_Desc);
m_fpr_buffer.reset(
new DataBufferHeap(fpregset.GetDataStart(), fpregset.GetByteSize()));
m_fpr.SetData(m_fpr_buffer);
m_fpr.SetByteOrder(fpregset.GetByteOrder());
}
RegisterContextCorePOSIX_s390x::~RegisterContextCorePOSIX_s390x() {}
bool RegisterContextCorePOSIX_s390x::ReadGPR() { return true; }
bool RegisterContextCorePOSIX_s390x::ReadFPR() { return true; }
bool RegisterContextCorePOSIX_s390x::WriteGPR() {
assert(0);
return false;
}
bool RegisterContextCorePOSIX_s390x::WriteFPR() {
assert(0);
return false;
}
bool RegisterContextCorePOSIX_s390x::ReadRegister(const RegisterInfo *reg_info,
RegisterValue &value) {
const uint32_t reg = reg_info->kinds[lldb::eRegisterKindLLDB];
if (reg == LLDB_INVALID_REGNUM)
return false;
if (IsGPR(reg)) {
lldb::offset_t offset = reg_info->byte_offset;
uint64_t v = m_gpr.GetMaxU64(&offset, reg_info->byte_size);
if (offset == reg_info->byte_offset + reg_info->byte_size) {
value.SetUInt(v, reg_info->byte_size);
return true;
}
}
if (IsFPR(reg)) {
lldb::offset_t offset = reg_info->byte_offset;
uint64_t v = m_fpr.GetMaxU64(&offset, reg_info->byte_size);
if (offset == reg_info->byte_offset + reg_info->byte_size) {
value.SetUInt(v, reg_info->byte_size);
return true;
}
}
return false;
}
bool RegisterContextCorePOSIX_s390x::ReadAllRegisterValues(
lldb::DataBufferSP &data_sp) {
return false;
}
bool RegisterContextCorePOSIX_s390x::WriteRegister(const RegisterInfo *reg_info,
const RegisterValue &value) {
return false;
}
bool RegisterContextCorePOSIX_s390x::WriteAllRegisterValues(
const lldb::DataBufferSP &data_sp) {
return false;
}
bool RegisterContextCorePOSIX_s390x::HardwareSingleStep(bool enable) {
return false;
}
|
