1 | //===-- SBAddress.cpp -----------------------------------------------------===// |
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 | #include "lldb/API/SBAddress.h" |
10 | #include "SBReproducerPrivate.h" |
11 | #include "Utils.h" |
12 | #include "lldb/API/SBProcess.h" |
13 | #include "lldb/API/SBSection.h" |
14 | #include "lldb/API/SBStream.h" |
15 | #include "lldb/Core/Address.h" |
16 | #include "lldb/Core/Module.h" |
17 | #include "lldb/Symbol/LineEntry.h" |
18 | #include "lldb/Target/Target.h" |
19 | #include "lldb/Utility/StreamString.h" |
20 | |
21 | using namespace lldb; |
22 | using namespace lldb_private; |
23 | |
24 | SBAddress::SBAddress() : m_opaque_up(new Address()) { |
25 | LLDB_RECORD_CONSTRUCTOR_NO_ARGS(SBAddress); |
26 | } |
27 | |
28 | SBAddress::SBAddress(const Address &address) |
29 | : m_opaque_up(std::make_unique<Address>(address)) {} |
30 | |
31 | SBAddress::SBAddress(const SBAddress &rhs) : m_opaque_up(new Address()) { |
32 | LLDB_RECORD_CONSTRUCTOR(SBAddress, (const lldb::SBAddress &), rhs); |
33 | |
34 | m_opaque_up = clone(rhs.m_opaque_up); |
35 | } |
36 | |
37 | SBAddress::SBAddress(lldb::SBSection section, lldb::addr_t offset) |
38 | : m_opaque_up(new Address(section.GetSP(), offset)) { |
39 | LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::SBSection, lldb::addr_t), section, |
40 | offset); |
41 | } |
42 | |
43 | // Create an address by resolving a load address using the supplied target |
44 | SBAddress::SBAddress(lldb::addr_t load_addr, lldb::SBTarget &target) |
45 | : m_opaque_up(new Address()) { |
46 | LLDB_RECORD_CONSTRUCTOR(SBAddress, (lldb::addr_t, lldb::SBTarget &), |
47 | load_addr, target); |
48 | |
49 | SetLoadAddress(load_addr, target); |
50 | } |
51 | |
52 | SBAddress::~SBAddress() = default; |
53 | |
54 | const SBAddress &SBAddress::operator=(const SBAddress &rhs) { |
55 | LLDB_RECORD_METHOD(const lldb::SBAddress &, |
56 | SBAddress, operator=,(const lldb::SBAddress &), rhs); |
57 | |
58 | if (this != &rhs) |
59 | m_opaque_up = clone(rhs.m_opaque_up); |
60 | return LLDB_RECORD_RESULT(*this); |
61 | } |
62 | |
63 | bool lldb::operator==(const SBAddress &lhs, const SBAddress &rhs) { |
64 | if (lhs.IsValid() && rhs.IsValid()) |
65 | return lhs.ref() == rhs.ref(); |
66 | return false; |
67 | } |
68 | |
69 | bool SBAddress::operator!=(const SBAddress &rhs) const { |
70 | LLDB_RECORD_METHOD_CONST(bool, SBAddress, operator!=,(const SBAddress &), |
71 | &rhs); |
72 | |
73 | return !(*this == rhs); |
74 | } |
75 | |
76 | bool SBAddress::IsValid() const { |
77 | LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBAddress, IsValid); |
78 | return this->operator bool(); |
79 | } |
80 | SBAddress::operator bool() const { |
81 | LLDB_RECORD_METHOD_CONST_NO_ARGS(bool, SBAddress, operator bool); |
82 | |
83 | return m_opaque_up != nullptr && m_opaque_up->IsValid(); |
84 | } |
85 | |
86 | void SBAddress::Clear() { |
87 | LLDB_RECORD_METHOD_NO_ARGS(void, SBAddress, Clear); |
88 | |
89 | m_opaque_up = std::make_unique<Address>(); |
90 | } |
91 | |
92 | void SBAddress::SetAddress(lldb::SBSection section, lldb::addr_t offset) { |
93 | LLDB_RECORD_METHOD(void, SBAddress, SetAddress, |
94 | (lldb::SBSection, lldb::addr_t), section, offset); |
95 | |
96 | Address &addr = ref(); |
97 | addr.SetSection(section.GetSP()); |
98 | addr.SetOffset(offset); |
99 | } |
100 | |
101 | void SBAddress::SetAddress(const Address &address) { ref() = address; } |
102 | |
103 | lldb::addr_t SBAddress::GetFileAddress() const { |
104 | LLDB_RECORD_METHOD_CONST_NO_ARGS(lldb::addr_t, SBAddress, GetFileAddress); |
105 | |
106 | if (m_opaque_up->IsValid()) |
107 | return m_opaque_up->GetFileAddress(); |
108 | else |
109 | return LLDB_INVALID_ADDRESS; |
110 | } |
111 | |
112 | lldb::addr_t SBAddress::GetLoadAddress(const SBTarget &target) const { |
113 | LLDB_RECORD_METHOD_CONST(lldb::addr_t, SBAddress, GetLoadAddress, |
114 | (const lldb::SBTarget &), target); |
115 | |
116 | lldb::addr_t addr = LLDB_INVALID_ADDRESS; |
117 | TargetSP target_sp(target.GetSP()); |
118 | if (target_sp) { |
119 | if (m_opaque_up->IsValid()) { |
120 | std::lock_guard<std::recursive_mutex> guard(target_sp->GetAPIMutex()); |
121 | addr = m_opaque_up->GetLoadAddress(target_sp.get()); |
122 | } |
123 | } |
124 | |
125 | return addr; |
126 | } |
127 | |
128 | void SBAddress::SetLoadAddress(lldb::addr_t load_addr, lldb::SBTarget &target) { |
129 | LLDB_RECORD_METHOD(void, SBAddress, SetLoadAddress, |
130 | (lldb::addr_t, lldb::SBTarget &), load_addr, target); |
131 | |
132 | // Create the address object if we don't already have one |
133 | ref(); |
134 | if (target.IsValid()) |
135 | *this = target.ResolveLoadAddress(load_addr); |
136 | else |
137 | m_opaque_up->Clear(); |
138 | |
139 | // Check if we weren't were able to resolve a section offset address. If we |
140 | // weren't it is ok, the load address might be a location on the stack or |
141 | // heap, so we should just have an address with no section and a valid offset |
142 | if (!m_opaque_up->IsValid()) |
143 | m_opaque_up->SetOffset(load_addr); |
144 | } |
145 | |
146 | bool SBAddress::OffsetAddress(addr_t offset) { |
147 | LLDB_RECORD_METHOD(bool, SBAddress, OffsetAddress, (lldb::addr_t), offset); |
148 | |
149 | if (m_opaque_up->IsValid()) { |
150 | addr_t addr_offset = m_opaque_up->GetOffset(); |
151 | if (addr_offset != LLDB_INVALID_ADDRESS) { |
152 | m_opaque_up->SetOffset(addr_offset + offset); |
153 | return true; |
154 | } |
155 | } |
156 | return false; |
157 | } |
158 | |
159 | lldb::SBSection SBAddress::GetSection() { |
160 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSection, SBAddress, GetSection); |
161 | |
162 | lldb::SBSection sb_section; |
163 | if (m_opaque_up->IsValid()) |
164 | sb_section.SetSP(m_opaque_up->GetSection()); |
165 | return LLDB_RECORD_RESULT(sb_section); |
166 | } |
167 | |
168 | lldb::addr_t SBAddress::GetOffset() { |
169 | LLDB_RECORD_METHOD_NO_ARGS(lldb::addr_t, SBAddress, GetOffset); |
170 | |
171 | if (m_opaque_up->IsValid()) |
172 | return m_opaque_up->GetOffset(); |
173 | return 0; |
174 | } |
175 | |
176 | Address *SBAddress::operator->() { return m_opaque_up.get(); } |
177 | |
178 | const Address *SBAddress::operator->() const { return m_opaque_up.get(); } |
179 | |
180 | Address &SBAddress::ref() { |
181 | if (m_opaque_up == nullptr) |
182 | m_opaque_up = std::make_unique<Address>(); |
183 | return *m_opaque_up; |
184 | } |
185 | |
186 | const Address &SBAddress::ref() const { |
187 | // This object should already have checked with "IsValid()" prior to calling |
188 | // this function. In case you didn't we will assert and die to let you know. |
189 | assert(m_opaque_up.get()); |
190 | return *m_opaque_up; |
191 | } |
192 | |
193 | Address *SBAddress::get() { return m_opaque_up.get(); } |
194 | |
195 | bool SBAddress::GetDescription(SBStream &description) { |
196 | LLDB_RECORD_METHOD(bool, SBAddress, GetDescription, (lldb::SBStream &), |
197 | description); |
198 | |
199 | // Call "ref()" on the stream to make sure it creates a backing stream in |
200 | // case there isn't one already... |
201 | Stream &strm = description.ref(); |
202 | if (m_opaque_up->IsValid()) { |
203 | m_opaque_up->Dump(&strm, nullptr, Address::DumpStyleResolvedDescription, |
204 | Address::DumpStyleModuleWithFileAddress, 4); |
205 | } else |
206 | strm.PutCString("No value" ); |
207 | |
208 | return true; |
209 | } |
210 | |
211 | SBModule SBAddress::GetModule() { |
212 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBModule, SBAddress, GetModule); |
213 | |
214 | SBModule sb_module; |
215 | if (m_opaque_up->IsValid()) |
216 | sb_module.SetSP(m_opaque_up->GetModule()); |
217 | return LLDB_RECORD_RESULT(sb_module); |
218 | } |
219 | |
220 | SBSymbolContext SBAddress::GetSymbolContext(uint32_t resolve_scope) { |
221 | LLDB_RECORD_METHOD(lldb::SBSymbolContext, SBAddress, GetSymbolContext, |
222 | (uint32_t), resolve_scope); |
223 | |
224 | SBSymbolContext sb_sc; |
225 | SymbolContextItem scope = static_cast<SymbolContextItem>(resolve_scope); |
226 | if (m_opaque_up->IsValid()) |
227 | m_opaque_up->CalculateSymbolContext(&sb_sc.ref(), scope); |
228 | return LLDB_RECORD_RESULT(sb_sc); |
229 | } |
230 | |
231 | SBCompileUnit SBAddress::GetCompileUnit() { |
232 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBCompileUnit, SBAddress, GetCompileUnit); |
233 | |
234 | SBCompileUnit sb_comp_unit; |
235 | if (m_opaque_up->IsValid()) |
236 | sb_comp_unit.reset(m_opaque_up->CalculateSymbolContextCompileUnit()); |
237 | return LLDB_RECORD_RESULT(sb_comp_unit); |
238 | } |
239 | |
240 | SBFunction SBAddress::GetFunction() { |
241 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBFunction, SBAddress, GetFunction); |
242 | |
243 | SBFunction sb_function; |
244 | if (m_opaque_up->IsValid()) |
245 | sb_function.reset(m_opaque_up->CalculateSymbolContextFunction()); |
246 | return LLDB_RECORD_RESULT(sb_function); |
247 | } |
248 | |
249 | SBBlock SBAddress::GetBlock() { |
250 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBBlock, SBAddress, GetBlock); |
251 | |
252 | SBBlock sb_block; |
253 | if (m_opaque_up->IsValid()) |
254 | sb_block.SetPtr(m_opaque_up->CalculateSymbolContextBlock()); |
255 | return LLDB_RECORD_RESULT(sb_block); |
256 | } |
257 | |
258 | SBSymbol SBAddress::GetSymbol() { |
259 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBSymbol, SBAddress, GetSymbol); |
260 | |
261 | SBSymbol sb_symbol; |
262 | if (m_opaque_up->IsValid()) |
263 | sb_symbol.reset(m_opaque_up->CalculateSymbolContextSymbol()); |
264 | return LLDB_RECORD_RESULT(sb_symbol); |
265 | } |
266 | |
267 | SBLineEntry SBAddress::GetLineEntry() { |
268 | LLDB_RECORD_METHOD_NO_ARGS(lldb::SBLineEntry, SBAddress, GetLineEntry); |
269 | |
270 | SBLineEntry sb_line_entry; |
271 | if (m_opaque_up->IsValid()) { |
272 | LineEntry line_entry; |
273 | if (m_opaque_up->CalculateSymbolContextLineEntry(line_entry)) |
274 | sb_line_entry.SetLineEntry(line_entry); |
275 | } |
276 | return LLDB_RECORD_RESULT(sb_line_entry); |
277 | } |
278 | |
279 | namespace lldb_private { |
280 | namespace repro { |
281 | |
282 | template <> |
283 | void RegisterMethods<SBAddress>(Registry &R) { |
284 | LLDB_REGISTER_CONSTRUCTOR(SBAddress, ()); |
285 | LLDB_REGISTER_CONSTRUCTOR(SBAddress, (const lldb::SBAddress &)); |
286 | LLDB_REGISTER_CONSTRUCTOR(SBAddress, (lldb::SBSection, lldb::addr_t)); |
287 | LLDB_REGISTER_CONSTRUCTOR(SBAddress, (lldb::addr_t, lldb::SBTarget &)); |
288 | LLDB_REGISTER_METHOD(const lldb::SBAddress &, |
289 | SBAddress, operator=,(const lldb::SBAddress &)); |
290 | LLDB_REGISTER_METHOD_CONST(bool, |
291 | SBAddress, operator!=,(const lldb::SBAddress &)); |
292 | LLDB_REGISTER_METHOD_CONST(bool, SBAddress, IsValid, ()); |
293 | LLDB_REGISTER_METHOD_CONST(bool, SBAddress, operator bool, ()); |
294 | LLDB_REGISTER_METHOD(void, SBAddress, Clear, ()); |
295 | LLDB_REGISTER_METHOD(void, SBAddress, SetAddress, |
296 | (lldb::SBSection, lldb::addr_t)); |
297 | LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBAddress, GetFileAddress, ()); |
298 | LLDB_REGISTER_METHOD_CONST(lldb::addr_t, SBAddress, GetLoadAddress, |
299 | (const lldb::SBTarget &)); |
300 | LLDB_REGISTER_METHOD(void, SBAddress, SetLoadAddress, |
301 | (lldb::addr_t, lldb::SBTarget &)); |
302 | LLDB_REGISTER_METHOD(bool, SBAddress, OffsetAddress, (lldb::addr_t)); |
303 | LLDB_REGISTER_METHOD(lldb::SBSection, SBAddress, GetSection, ()); |
304 | LLDB_REGISTER_METHOD(lldb::addr_t, SBAddress, GetOffset, ()); |
305 | LLDB_REGISTER_METHOD(bool, SBAddress, GetDescription, (lldb::SBStream &)); |
306 | LLDB_REGISTER_METHOD(lldb::SBModule, SBAddress, GetModule, ()); |
307 | LLDB_REGISTER_METHOD(lldb::SBSymbolContext, SBAddress, GetSymbolContext, |
308 | (uint32_t)); |
309 | LLDB_REGISTER_METHOD(lldb::SBCompileUnit, SBAddress, GetCompileUnit, ()); |
310 | LLDB_REGISTER_METHOD(lldb::SBFunction, SBAddress, GetFunction, ()); |
311 | LLDB_REGISTER_METHOD(lldb::SBBlock, SBAddress, GetBlock, ()); |
312 | LLDB_REGISTER_METHOD(lldb::SBSymbol, SBAddress, GetSymbol, ()); |
313 | LLDB_REGISTER_METHOD(lldb::SBLineEntry, SBAddress, GetLineEntry, ()); |
314 | } |
315 | |
316 | } |
317 | } |
318 | |