aboutsummaryrefslogtreecommitdiff
path: root/source/API/SBAddress.cpp
blob: b452ce327ab7927acab4a91ffc28aa07a8ac7a92 (plain) (blame)
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
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
//===-- SBAddress.cpp -------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "lldb/API/SBAddress.h"
#include "lldb/API/SBProcess.h"
#include "lldb/API/SBSection.h"
#include "lldb/API/SBStream.h"
#include "lldb/Core/Address.h"
#include "lldb/Core/Module.h"
#include "lldb/Symbol/LineEntry.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/Log.h"
#include "lldb/Utility/StreamString.h"

using namespace lldb;
using namespace lldb_private;

SBAddress::SBAddress() : m_opaque_ap(new Address()) {}

SBAddress::SBAddress(const Address *lldb_object_ptr)
    : m_opaque_ap(new Address()) {
  if (lldb_object_ptr)
    ref() = *lldb_object_ptr;
}

SBAddress::SBAddress(const SBAddress &rhs) : m_opaque_ap(new Address()) {
  if (rhs.IsValid())
    ref() = rhs.ref();
}

SBAddress::SBAddress(lldb::SBSection section, lldb::addr_t offset)
    : m_opaque_ap(new Address(section.GetSP(), offset)) {}

// Create an address by resolving a load address using the supplied target
SBAddress::SBAddress(lldb::addr_t load_addr, lldb::SBTarget &target)
    : m_opaque_ap(new Address()) {
  SetLoadAddress(load_addr, target);
}

SBAddress::~SBAddress() {}

const SBAddress &SBAddress::operator=(const SBAddress &rhs) {
  if (this != &rhs) {
    if (rhs.IsValid())
      ref() = rhs.ref();
    else
      m_opaque_ap.reset(new Address());
  }
  return *this;
}

bool SBAddress::IsValid() const {
  return m_opaque_ap.get() != NULL && m_opaque_ap->IsValid();
}

void SBAddress::Clear() { m_opaque_ap.reset(new Address()); }

void SBAddress::SetAddress(lldb::SBSection section, lldb::addr_t offset) {
  Address &addr = ref();
  addr.SetSection(section.GetSP());
  addr.SetOffset(offset);
}

void SBAddress::SetAddress(const Address *lldb_object_ptr) {
  if (lldb_object_ptr)
    ref() = *lldb_object_ptr;
  else
    m_opaque_ap.reset(new Address());
}

lldb::addr_t SBAddress::GetFileAddress() const {
  if (m_opaque_ap->IsValid())
    return m_opaque_ap->GetFileAddress();
  else
    return LLDB_INVALID_ADDRESS;
}

lldb::addr_t SBAddress::GetLoadAddress(const SBTarget &target) const {
  Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_API));

  lldb::addr_t addr = LLDB_INVALID_ADDRESS;
  TargetSP target_sp(target.GetSP());
  if (target_sp) {
    if (m_opaque_ap->IsValid()) {
      std::lock_guard<std::recursive_mutex> guard(target_sp->GetAPIMutex());
      addr = m_opaque_ap->GetLoadAddress(target_sp.get());
    }
  }

  if (log) {
    if (addr == LLDB_INVALID_ADDRESS)
      log->Printf(
          "SBAddress::GetLoadAddress (SBTarget(%p)) => LLDB_INVALID_ADDRESS",
          static_cast<void *>(target_sp.get()));
    else
      log->Printf("SBAddress::GetLoadAddress (SBTarget(%p)) => 0x%" PRIx64,
                  static_cast<void *>(target_sp.get()), addr);
  }

  return addr;
}

void SBAddress::SetLoadAddress(lldb::addr_t load_addr, lldb::SBTarget &target) {
  // Create the address object if we don't already have one
  ref();
  if (target.IsValid())
    *this = target.ResolveLoadAddress(load_addr);
  else
    m_opaque_ap->Clear();

  // Check if we weren't were able to resolve a section offset address.
  // If we weren't it is ok, the load address might be a location on the
  // stack or heap, so we should just have an address with no section and
  // a valid offset
  if (!m_opaque_ap->IsValid())
    m_opaque_ap->SetOffset(load_addr);
}

bool SBAddress::OffsetAddress(addr_t offset) {
  if (m_opaque_ap->IsValid()) {
    addr_t addr_offset = m_opaque_ap->GetOffset();
    if (addr_offset != LLDB_INVALID_ADDRESS) {
      m_opaque_ap->SetOffset(addr_offset + offset);
      return true;
    }
  }
  return false;
}

lldb::SBSection SBAddress::GetSection() {
  lldb::SBSection sb_section;
  if (m_opaque_ap->IsValid())
    sb_section.SetSP(m_opaque_ap->GetSection());
  return sb_section;
}

lldb::addr_t SBAddress::GetOffset() {
  if (m_opaque_ap->IsValid())
    return m_opaque_ap->GetOffset();
  return 0;
}

Address *SBAddress::operator->() { return m_opaque_ap.get(); }

const Address *SBAddress::operator->() const { return m_opaque_ap.get(); }

Address &SBAddress::ref() {
  if (m_opaque_ap.get() == NULL)
    m_opaque_ap.reset(new Address());
  return *m_opaque_ap;
}

const Address &SBAddress::ref() const {
  // This object should already have checked with "IsValid()"
  // prior to calling this function. In case you didn't we will assert
  // and die to let you know.
  assert(m_opaque_ap.get());
  return *m_opaque_ap;
}

Address *SBAddress::get() { return m_opaque_ap.get(); }

bool SBAddress::GetDescription(SBStream &description) {
  // Call "ref()" on the stream to make sure it creates a backing stream in
  // case there isn't one already...
  Stream &strm = description.ref();
  if (m_opaque_ap->IsValid()) {
    m_opaque_ap->Dump(&strm, NULL, Address::DumpStyleResolvedDescription,
                      Address::DumpStyleModuleWithFileAddress, 4);
    StreamString sstrm;
    //        m_opaque_ap->Dump (&sstrm, NULL,
    //        Address::DumpStyleResolvedDescription, Address::DumpStyleInvalid,
    //        4);
    //        if (sstrm.GetData())
    //            strm.Printf (" (%s)", sstrm.GetData());
  } else
    strm.PutCString("No value");

  return true;
}

SBModule SBAddress::GetModule() {
  SBModule sb_module;
  if (m_opaque_ap->IsValid())
    sb_module.SetSP(m_opaque_ap->GetModule());
  return sb_module;
}

SBSymbolContext SBAddress::GetSymbolContext(uint32_t resolve_scope) {
  SBSymbolContext sb_sc;
  if (m_opaque_ap->IsValid())
    m_opaque_ap->CalculateSymbolContext(&sb_sc.ref(), resolve_scope);
  return sb_sc;
}

SBCompileUnit SBAddress::GetCompileUnit() {
  SBCompileUnit sb_comp_unit;
  if (m_opaque_ap->IsValid())
    sb_comp_unit.reset(m_opaque_ap->CalculateSymbolContextCompileUnit());
  return sb_comp_unit;
}

SBFunction SBAddress::GetFunction() {
  SBFunction sb_function;
  if (m_opaque_ap->IsValid())
    sb_function.reset(m_opaque_ap->CalculateSymbolContextFunction());
  return sb_function;
}

SBBlock SBAddress::GetBlock() {
  SBBlock sb_block;
  if (m_opaque_ap->IsValid())
    sb_block.SetPtr(m_opaque_ap->CalculateSymbolContextBlock());
  return sb_block;
}

SBSymbol SBAddress::GetSymbol() {
  SBSymbol sb_symbol;
  if (m_opaque_ap->IsValid())
    sb_symbol.reset(m_opaque_ap->CalculateSymbolContextSymbol());
  return sb_symbol;
}

SBLineEntry SBAddress::GetLineEntry() {
  SBLineEntry sb_line_entry;
  if (m_opaque_ap->IsValid()) {
    LineEntry line_entry;
    if (m_opaque_ap->CalculateSymbolContextLineEntry(line_entry))
      sb_line_entry.SetLineEntry(line_entry);
  }
  return sb_line_entry;
}

AddressClass SBAddress::GetAddressClass() {
  if (m_opaque_ap->IsValid())
    return m_opaque_ap->GetAddressClass();
  return eAddressClassInvalid;
}