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IRExecutionUnit.cpp
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1//===-- IRExecutionUnit.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 "llvm/ExecutionEngine/ExecutionEngine.h"
10#include "llvm/ExecutionEngine/ObjectCache.h"
11#include "llvm/IR/Constants.h"
12#include "llvm/IR/DiagnosticHandler.h"
13#include "llvm/IR/DiagnosticInfo.h"
14#include "llvm/IR/LLVMContext.h"
15#include "llvm/IR/Module.h"
16#include "llvm/Support/SourceMgr.h"
17#include "llvm/Support/raw_ostream.h"
18
19#include "lldb/Core/Debugger.h"
21#include "lldb/Core/Module.h"
22#include "lldb/Core/Section.h"
25#include "lldb/Host/HostInfo.h"
33#include "lldb/Target/Target.h"
38#include "lldb/Utility/Log.h"
39
40#include <optional>
41
42using namespace lldb_private;
43
44IRExecutionUnit::IRExecutionUnit(std::unique_ptr<llvm::LLVMContext> &context_up,
45 std::unique_ptr<llvm::Module> &module_up,
46 ConstString &name,
47 const lldb::TargetSP &target_sp,
48 const SymbolContext &sym_ctx,
49 std::vector<std::string> &cpu_features)
50 : IRMemoryMap(target_sp), m_context_up(context_up.release()),
51 m_module_up(module_up.release()), m_module(m_module_up.get()),
52 m_cpu_features(cpu_features), m_name(name), m_sym_ctx(sym_ctx),
53 m_did_jit(false), m_function_load_addr(LLDB_INVALID_ADDRESS),
54 m_function_end_load_addr(LLDB_INVALID_ADDRESS),
55 m_reported_allocations(false) {}
56
57lldb::addr_t IRExecutionUnit::WriteNow(const uint8_t *bytes, size_t size,
58 Status &error) {
59 const bool zero_memory = false;
60 lldb::addr_t allocation_process_addr =
61 Malloc(size, 8, lldb::ePermissionsWritable | lldb::ePermissionsReadable,
62 eAllocationPolicyMirror, zero_memory, error);
63
64 if (!error.Success())
66
67 WriteMemory(allocation_process_addr, bytes, size, error);
68
69 if (!error.Success()) {
70 Status err;
71 Free(allocation_process_addr, err);
72
74 }
75
76 if (Log *log = GetLog(LLDBLog::Expressions)) {
77 DataBufferHeap my_buffer(size, 0);
78 Status err;
79 ReadMemory(my_buffer.GetBytes(), allocation_process_addr, size, err);
80
81 if (err.Success()) {
82 DataExtractor my_extractor(my_buffer.GetBytes(), my_buffer.GetByteSize(),
84 my_extractor.PutToLog(log, 0, my_buffer.GetByteSize(),
85 allocation_process_addr, 16,
87 }
88 }
89
90 return allocation_process_addr;
91}
92
94 if (allocation == LLDB_INVALID_ADDRESS)
95 return;
96
97 Status err;
98
99 Free(allocation, err);
100}
101
103 lldb::ProcessSP &process_wp) {
105
106 ExecutionContext exe_ctx(process_wp);
107
108 Status ret;
109
110 ret.Clear();
111
112 lldb::addr_t func_local_addr = LLDB_INVALID_ADDRESS;
113 lldb::addr_t func_remote_addr = LLDB_INVALID_ADDRESS;
114
115 for (JittedFunction &function : m_jitted_functions) {
116 if (function.m_name == m_name) {
117 func_local_addr = function.m_local_addr;
118 func_remote_addr = function.m_remote_addr;
119 }
120 }
121
122 if (func_local_addr == LLDB_INVALID_ADDRESS) {
124 ret.SetErrorStringWithFormat("Couldn't find function %s for disassembly",
125 m_name.AsCString());
126 return ret;
127 }
128
129 LLDB_LOGF(log,
130 "Found function, has local address 0x%" PRIx64
131 " and remote address 0x%" PRIx64,
132 (uint64_t)func_local_addr, (uint64_t)func_remote_addr);
133
134 std::pair<lldb::addr_t, lldb::addr_t> func_range;
135
136 func_range = GetRemoteRangeForLocal(func_local_addr);
137
138 if (func_range.first == 0 && func_range.second == 0) {
140 ret.SetErrorStringWithFormat("Couldn't find code range for function %s",
141 m_name.AsCString());
142 return ret;
143 }
144
145 LLDB_LOGF(log, "Function's code range is [0x%" PRIx64 "+0x%" PRIx64 "]",
146 func_range.first, func_range.second);
147
148 Target *target = exe_ctx.GetTargetPtr();
149 if (!target) {
151 ret.SetErrorString("Couldn't find the target");
152 return ret;
153 }
154
156 new DataBufferHeap(func_range.second, 0));
157
158 Process *process = exe_ctx.GetProcessPtr();
159 Status err;
160 process->ReadMemory(func_remote_addr, buffer_sp->GetBytes(),
161 buffer_sp->GetByteSize(), err);
162
163 if (!err.Success()) {
165 ret.SetErrorStringWithFormat("Couldn't read from process: %s",
166 err.AsCString("unknown error"));
167 return ret;
168 }
169
170 ArchSpec arch(target->GetArchitecture());
171
172 const char *plugin_name = nullptr;
173 const char *flavor_string = nullptr;
174 lldb::DisassemblerSP disassembler_sp =
175 Disassembler::FindPlugin(arch, flavor_string, plugin_name);
176
177 if (!disassembler_sp) {
180 "Unable to find disassembler plug-in for %s architecture.",
181 arch.GetArchitectureName());
182 return ret;
183 }
184
185 if (!process) {
187 ret.SetErrorString("Couldn't find the process");
188 return ret;
189 }
190
191 DataExtractor extractor(buffer_sp, process->GetByteOrder(),
193
194 if (log) {
195 LLDB_LOGF(log, "Function data has contents:");
196 extractor.PutToLog(log, 0, extractor.GetByteSize(), func_remote_addr, 16,
198 }
199
200 disassembler_sp->DecodeInstructions(Address(func_remote_addr), extractor, 0,
201 UINT32_MAX, false, false);
202
203 InstructionList &instruction_list = disassembler_sp->GetInstructionList();
204 instruction_list.Dump(&stream, true, true, /*show_control_flow_kind=*/true,
205 &exe_ctx);
206
207 return ret;
208}
209
210namespace {
211struct IRExecDiagnosticHandler : public llvm::DiagnosticHandler {
212 Status *err;
213 IRExecDiagnosticHandler(Status *err) : err(err) {}
214 bool handleDiagnostics(const llvm::DiagnosticInfo &DI) override {
215 if (DI.getKind() == llvm::DK_SrcMgr) {
216 const auto &DISM = llvm::cast<llvm::DiagnosticInfoSrcMgr>(DI);
217 if (err && err->Success()) {
220 "Inline assembly error: %s",
221 DISM.getSMDiag().getMessage().str().c_str());
222 }
223 return true;
224 }
225
226 return false;
227 }
228};
229} // namespace
230
232 m_failed_lookups.push_back(name);
233}
234
236 lldb::addr_t &func_end) {
237 lldb::ProcessSP process_sp(GetProcessWP().lock());
238
239 static std::recursive_mutex s_runnable_info_mutex;
240
241 func_addr = LLDB_INVALID_ADDRESS;
242 func_end = LLDB_INVALID_ADDRESS;
243
244 if (!process_sp) {
245 error.SetErrorToGenericError();
246 error.SetErrorString("Couldn't write the JIT compiled code into the "
247 "process because the process is invalid");
248 return;
249 }
250
251 if (m_did_jit) {
252 func_addr = m_function_load_addr;
253 func_end = m_function_end_load_addr;
254
255 return;
256 };
257
258 std::lock_guard<std::recursive_mutex> guard(s_runnable_info_mutex);
259
260 m_did_jit = true;
261
263
264 std::string error_string;
265
266 if (log) {
267 std::string s;
268 llvm::raw_string_ostream oss(s);
269
270 m_module->print(oss, nullptr);
271
272 oss.flush();
273
274 LLDB_LOGF(log, "Module being sent to JIT: \n%s", s.c_str());
275 }
276
277 m_module_up->getContext().setDiagnosticHandler(
278 std::make_unique<IRExecDiagnosticHandler>(&error));
279
280 llvm::EngineBuilder builder(std::move(m_module_up));
281 llvm::Triple triple(m_module->getTargetTriple());
282
283 builder.setEngineKind(llvm::EngineKind::JIT)
284 .setErrorStr(&error_string)
285 .setRelocationModel(triple.isOSBinFormatMachO() ? llvm::Reloc::PIC_
286 : llvm::Reloc::Static)
287 .setMCJITMemoryManager(std::make_unique<MemoryManager>(*this))
288 .setOptLevel(llvm::CodeGenOptLevel::Less);
289
290 llvm::StringRef mArch;
291 llvm::StringRef mCPU;
292 llvm::SmallVector<std::string, 0> mAttrs;
293
294 for (std::string &feature : m_cpu_features)
295 mAttrs.push_back(feature);
296
297 llvm::TargetMachine *target_machine =
298 builder.selectTarget(triple, mArch, mCPU, mAttrs);
299
300 m_execution_engine_up.reset(builder.create(target_machine));
301
303 error.SetErrorToGenericError();
304 error.SetErrorStringWithFormat("Couldn't JIT the function: %s",
305 error_string.c_str());
306 return;
307 }
308
310 (m_execution_engine_up->getDataLayout().getGlobalPrefix() == '_');
311
312 class ObjectDumper : public llvm::ObjectCache {
313 public:
314 ObjectDumper(FileSpec output_dir) : m_out_dir(output_dir) {}
315 void notifyObjectCompiled(const llvm::Module *module,
316 llvm::MemoryBufferRef object) override {
317 int fd = 0;
318 llvm::SmallVector<char, 256> result_path;
319 std::string object_name_model =
320 "jit-object-" + module->getModuleIdentifier() + "-%%%.o";
321 FileSpec model_spec
322 = m_out_dir.CopyByAppendingPathComponent(object_name_model);
323 std::string model_path = model_spec.GetPath();
324
325 std::error_code result
326 = llvm::sys::fs::createUniqueFile(model_path, fd, result_path);
327 if (!result) {
328 llvm::raw_fd_ostream fds(fd, true);
329 fds.write(object.getBufferStart(), object.getBufferSize());
330 }
331 }
332 std::unique_ptr<llvm::MemoryBuffer>
333 getObject(const llvm::Module *module) override {
334 // Return nothing - we're just abusing the object-cache mechanism to dump
335 // objects.
336 return nullptr;
337 }
338 private:
339 FileSpec m_out_dir;
340 };
341
342 FileSpec save_objects_dir = process_sp->GetTarget().GetSaveJITObjectsDir();
343 if (save_objects_dir) {
344 m_object_cache_up = std::make_unique<ObjectDumper>(save_objects_dir);
345 m_execution_engine_up->setObjectCache(m_object_cache_up.get());
346 }
347
348 // Make sure we see all sections, including ones that don't have
349 // relocations...
350 m_execution_engine_up->setProcessAllSections(true);
351
352 m_execution_engine_up->DisableLazyCompilation();
353
354 for (llvm::Function &function : *m_module) {
355 if (function.isDeclaration() || function.hasPrivateLinkage())
356 continue;
357
358 const bool external = !function.hasLocalLinkage();
359
360 void *fun_ptr = m_execution_engine_up->getPointerToFunction(&function);
361
362 if (!error.Success()) {
363 // We got an error through our callback!
364 return;
365 }
366
367 if (!fun_ptr) {
368 error.SetErrorToGenericError();
369 error.SetErrorStringWithFormat(
370 "'%s' was in the JITted module but wasn't lowered",
371 function.getName().str().c_str());
372 return;
373 }
375 function.getName().str().c_str(), external, reinterpret_cast<uintptr_t>(fun_ptr)));
376 }
377
378 CommitAllocations(process_sp);
380
381 // We have to do this after calling ReportAllocations because for the MCJIT,
382 // getGlobalValueAddress will cause the JIT to perform all relocations. That
383 // can only be done once, and has to happen after we do the remapping from
384 // local -> remote. That means we don't know the local address of the
385 // Variables, but we don't need that for anything, so that's okay.
386
387 std::function<void(llvm::GlobalValue &)> RegisterOneValue = [this](
388 llvm::GlobalValue &val) {
389 if (val.hasExternalLinkage() && !val.isDeclaration()) {
390 uint64_t var_ptr_addr =
391 m_execution_engine_up->getGlobalValueAddress(val.getName().str());
392
393 lldb::addr_t remote_addr = GetRemoteAddressForLocal(var_ptr_addr);
394
395 // This is a really unfortunae API that sometimes returns local addresses
396 // and sometimes returns remote addresses, based on whether the variable
397 // was relocated during ReportAllocations or not.
398
399 if (remote_addr == LLDB_INVALID_ADDRESS) {
400 remote_addr = var_ptr_addr;
401 }
402
403 if (var_ptr_addr != 0)
405 val.getName().str().c_str(), LLDB_INVALID_ADDRESS, remote_addr));
406 }
407 };
408
409 for (llvm::GlobalVariable &global_var : m_module->globals()) {
410 RegisterOneValue(global_var);
411 }
412
413 for (llvm::GlobalAlias &global_alias : m_module->aliases()) {
414 RegisterOneValue(global_alias);
415 }
416
417 WriteData(process_sp);
418
419 if (m_failed_lookups.size()) {
420 StreamString ss;
421
422 ss.PutCString("Couldn't look up symbols:\n");
423
424 bool emitNewLine = false;
425
426 for (ConstString failed_lookup : m_failed_lookups) {
427 if (emitNewLine)
428 ss.PutCString("\n");
429 emitNewLine = true;
430 ss.PutCString(" ");
431 ss.PutCString(Mangled(failed_lookup).GetDemangledName().GetStringRef());
432 }
433
434 m_failed_lookups.clear();
435
436 error.SetErrorString(ss.GetString());
437
438 return;
439 }
440
443
444 for (JittedFunction &jitted_function : m_jitted_functions) {
445 jitted_function.m_remote_addr =
446 GetRemoteAddressForLocal(jitted_function.m_local_addr);
447
448 if (!m_name.IsEmpty() && jitted_function.m_name == m_name) {
449 AddrRange func_range =
450 GetRemoteRangeForLocal(jitted_function.m_local_addr);
451 m_function_end_load_addr = func_range.first + func_range.second;
452 m_function_load_addr = jitted_function.m_remote_addr;
453 }
454 }
455
456 if (log) {
457 LLDB_LOGF(log, "Code can be run in the target.");
458
459 StreamString disassembly_stream;
460
461 Status err = DisassembleFunction(disassembly_stream, process_sp);
462
463 if (!err.Success()) {
464 LLDB_LOGF(log, "Couldn't disassemble function : %s",
465 err.AsCString("unknown error"));
466 } else {
467 LLDB_LOGF(log, "Function disassembly:\n%s", disassembly_stream.GetData());
468 }
469
470 LLDB_LOGF(log, "Sections: ");
471 for (AllocationRecord &record : m_records) {
472 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
473 record.dump(log);
474
475 DataBufferHeap my_buffer(record.m_size, 0);
476 Status err;
477 ReadMemory(my_buffer.GetBytes(), record.m_process_address,
478 record.m_size, err);
479
480 if (err.Success()) {
481 DataExtractor my_extractor(my_buffer.GetBytes(),
482 my_buffer.GetByteSize(),
484 my_extractor.PutToLog(log, 0, my_buffer.GetByteSize(),
485 record.m_process_address, 16,
487 }
488 } else {
489 record.dump(log);
490
491 DataExtractor my_extractor((const void *)record.m_host_address,
492 record.m_size, lldb::eByteOrderBig, 8);
493 my_extractor.PutToLog(log, 0, record.m_size, record.m_host_address, 16,
495 }
496 }
497 }
498
499 func_addr = m_function_load_addr;
500 func_end = m_function_end_load_addr;
501}
502
504 m_module_up.reset();
505 m_execution_engine_up.reset();
506 m_context_up.reset();
507}
508
510 : m_default_mm_up(new llvm::SectionMemoryManager()), m_parent(parent) {}
511
513
515 const llvm::StringRef &name, IRExecutionUnit::AllocationKind alloc_kind) {
517 switch (alloc_kind) {
519 sect_type = lldb::eSectionTypeCode;
520 break;
522 sect_type = lldb::eSectionTypeCode;
523 break;
525 sect_type = lldb::eSectionTypeData;
526 break;
528 sect_type = lldb::eSectionTypeData;
529 break;
531 sect_type = lldb::eSectionTypeOther;
532 break;
533 }
534
535 if (!name.empty()) {
536 if (name.equals("__text") || name.equals(".text"))
537 sect_type = lldb::eSectionTypeCode;
538 else if (name.equals("__data") || name.equals(".data"))
539 sect_type = lldb::eSectionTypeCode;
540 else if (name.starts_with("__debug_") || name.starts_with(".debug_")) {
541 const uint32_t name_idx = name[0] == '_' ? 8 : 7;
542 llvm::StringRef dwarf_name(name.substr(name_idx));
543 switch (dwarf_name[0]) {
544 case 'a':
545 if (dwarf_name.equals("abbrev"))
547 else if (dwarf_name.equals("aranges"))
549 else if (dwarf_name.equals("addr"))
551 break;
552
553 case 'f':
554 if (dwarf_name.equals("frame"))
556 break;
557
558 case 'i':
559 if (dwarf_name.equals("info"))
561 break;
562
563 case 'l':
564 if (dwarf_name.equals("line"))
566 else if (dwarf_name.equals("loc"))
568 else if (dwarf_name.equals("loclists"))
570 break;
571
572 case 'm':
573 if (dwarf_name.equals("macinfo"))
575 break;
576
577 case 'p':
578 if (dwarf_name.equals("pubnames"))
580 else if (dwarf_name.equals("pubtypes"))
582 break;
583
584 case 's':
585 if (dwarf_name.equals("str"))
587 else if (dwarf_name.equals("str_offsets"))
589 break;
590
591 case 'r':
592 if (dwarf_name.equals("ranges"))
594 break;
595
596 default:
597 break;
598 }
599 } else if (name.starts_with("__apple_") || name.starts_with(".apple_"))
600 sect_type = lldb::eSectionTypeInvalid;
601 else if (name.equals("__objc_imageinfo"))
602 sect_type = lldb::eSectionTypeOther;
603 }
604 return sect_type;
605}
606
608 uintptr_t Size, unsigned Alignment, unsigned SectionID,
609 llvm::StringRef SectionName) {
611
612 uint8_t *return_value = m_default_mm_up->allocateCodeSection(
613 Size, Alignment, SectionID, SectionName);
614
615 m_parent.m_records.push_back(AllocationRecord(
616 (uintptr_t)return_value,
617 lldb::ePermissionsReadable | lldb::ePermissionsExecutable,
619 Alignment, SectionID, SectionName.str().c_str()));
620
621 LLDB_LOGF(log,
622 "IRExecutionUnit::allocateCodeSection(Size=0x%" PRIx64
623 ", Alignment=%u, SectionID=%u) = %p",
624 (uint64_t)Size, Alignment, SectionID, (void *)return_value);
625
626 if (m_parent.m_reported_allocations) {
627 Status err;
628 lldb::ProcessSP process_sp =
629 m_parent.GetBestExecutionContextScope()->CalculateProcess();
630
631 m_parent.CommitOneAllocation(process_sp, err, m_parent.m_records.back());
632 }
633
634 return return_value;
635}
636
638 uintptr_t Size, unsigned Alignment, unsigned SectionID,
639 llvm::StringRef SectionName, bool IsReadOnly) {
641
642 uint8_t *return_value = m_default_mm_up->allocateDataSection(
643 Size, Alignment, SectionID, SectionName, IsReadOnly);
644
645 uint32_t permissions = lldb::ePermissionsReadable;
646 if (!IsReadOnly)
647 permissions |= lldb::ePermissionsWritable;
648 m_parent.m_records.push_back(AllocationRecord(
649 (uintptr_t)return_value, permissions,
651 Alignment, SectionID, SectionName.str().c_str()));
652 LLDB_LOGF(log,
653 "IRExecutionUnit::allocateDataSection(Size=0x%" PRIx64
654 ", Alignment=%u, SectionID=%u) = %p",
655 (uint64_t)Size, Alignment, SectionID, (void *)return_value);
656
657 if (m_parent.m_reported_allocations) {
658 Status err;
659 lldb::ProcessSP process_sp =
660 m_parent.GetBestExecutionContextScope()->CalculateProcess();
661
662 m_parent.CommitOneAllocation(process_sp, err, m_parent.m_records.back());
663 }
664
665 return return_value;
666}
667
668void IRExecutionUnit::CollectCandidateCNames(std::vector<ConstString> &C_names,
669 ConstString name) {
670 if (m_strip_underscore && name.AsCString()[0] == '_')
671 C_names.insert(C_names.begin(), ConstString(&name.AsCString()[1]));
672 C_names.push_back(name);
673}
674
676 std::vector<ConstString> &CPP_names,
677 const std::vector<ConstString> &C_names, const SymbolContext &sc) {
679 for (const ConstString &name : C_names) {
680 Mangled mangled(name);
681 if (cpp_lang->SymbolNameFitsToLanguage(mangled)) {
682 if (ConstString best_alternate =
683 cpp_lang->FindBestAlternateFunctionMangledName(mangled, sc)) {
684 CPP_names.push_back(best_alternate);
685 }
686 }
687
688 std::vector<ConstString> alternates =
689 cpp_lang->GenerateAlternateFunctionManglings(name);
690 CPP_names.insert(CPP_names.end(), alternates.begin(), alternates.end());
691
692 // As a last-ditch fallback, try the base name for C++ names. It's
693 // terrible, but the DWARF doesn't always encode "extern C" correctly.
694 ConstString basename =
695 cpp_lang->GetDemangledFunctionNameWithoutArguments(mangled);
696 CPP_names.push_back(basename);
697 }
698 }
699}
700
702public:
703 LoadAddressResolver(Target *target, bool &symbol_was_missing_weak)
704 : m_target(target), m_symbol_was_missing_weak(symbol_was_missing_weak) {}
705
706 std::optional<lldb::addr_t> Resolve(SymbolContextList &sc_list) {
707 if (sc_list.IsEmpty())
708 return std::nullopt;
709
710 lldb::addr_t load_address = LLDB_INVALID_ADDRESS;
711
712 // Missing_weak_symbol will be true only if we found only weak undefined
713 // references to this symbol.
714 m_symbol_was_missing_weak = true;
715
716 for (auto candidate_sc : sc_list.SymbolContexts()) {
717 // Only symbols can be weak undefined.
718 if (!candidate_sc.symbol ||
719 candidate_sc.symbol->GetType() != lldb::eSymbolTypeUndefined ||
720 !candidate_sc.symbol->IsWeak())
721 m_symbol_was_missing_weak = false;
722
723 // First try the symbol.
724 if (candidate_sc.symbol) {
725 load_address = candidate_sc.symbol->ResolveCallableAddress(*m_target);
726 if (load_address == LLDB_INVALID_ADDRESS) {
727 Address addr = candidate_sc.symbol->GetAddress();
728 load_address = m_target->GetProcessSP()
729 ? addr.GetLoadAddress(m_target)
730 : addr.GetFileAddress();
731 }
732 }
733
734 // If that didn't work, try the function.
735 if (load_address == LLDB_INVALID_ADDRESS && candidate_sc.function) {
736 Address addr =
737 candidate_sc.function->GetAddressRange().GetBaseAddress();
738 load_address = m_target->GetProcessSP() ? addr.GetLoadAddress(m_target)
739 : addr.GetFileAddress();
740 }
741
742 // We found a load address.
743 if (load_address != LLDB_INVALID_ADDRESS) {
744 // If the load address is external, we're done.
745 const bool is_external =
746 (candidate_sc.function) ||
747 (candidate_sc.symbol && candidate_sc.symbol->IsExternal());
748 if (is_external)
749 return load_address;
750
751 // Otherwise, remember the best internal load address.
752 if (m_best_internal_load_address == LLDB_INVALID_ADDRESS)
753 m_best_internal_load_address = load_address;
754 }
755 }
756
757 // You test the address of a weak symbol against NULL to see if it is
758 // present. So we should return 0 for a missing weak symbol.
759 if (m_symbol_was_missing_weak)
760 return 0;
761
762 return std::nullopt;
763 }
764
766 return m_best_internal_load_address;
767 }
768
769private:
772 lldb::addr_t m_best_internal_load_address = LLDB_INVALID_ADDRESS;
773};
774
776IRExecutionUnit::FindInSymbols(const std::vector<ConstString> &names,
778 bool &symbol_was_missing_weak) {
779 symbol_was_missing_weak = false;
780
781 Target *target = sc.target_sp.get();
782 if (!target) {
783 // We shouldn't be doing any symbol lookup at all without a target.
785 }
786
787 LoadAddressResolver resolver(target, symbol_was_missing_weak);
788
789 ModuleFunctionSearchOptions function_options;
790 function_options.include_symbols = true;
791 function_options.include_inlines = false;
792
793 for (const ConstString &name : names) {
794 if (sc.module_sp) {
795 SymbolContextList sc_list;
796 sc.module_sp->FindFunctions(name, CompilerDeclContext(),
797 lldb::eFunctionNameTypeFull, function_options,
798 sc_list);
799 if (auto load_addr = resolver.Resolve(sc_list))
800 return *load_addr;
801 }
802
803 if (sc.target_sp) {
804 SymbolContextList sc_list;
805 sc.target_sp->GetImages().FindFunctions(name, lldb::eFunctionNameTypeFull,
806 function_options, sc_list);
807 if (auto load_addr = resolver.Resolve(sc_list))
808 return *load_addr;
809 }
810
811 if (sc.target_sp) {
812 SymbolContextList sc_list;
813 sc.target_sp->GetImages().FindSymbolsWithNameAndType(
814 name, lldb::eSymbolTypeAny, sc_list);
815 if (auto load_addr = resolver.Resolve(sc_list))
816 return *load_addr;
817 }
818
819 lldb::addr_t best_internal_load_address =
821 if (best_internal_load_address != LLDB_INVALID_ADDRESS)
822 return best_internal_load_address;
823 }
824
826}
827
829IRExecutionUnit::FindInRuntimes(const std::vector<ConstString> &names,
830 const lldb_private::SymbolContext &sc) {
831 lldb::TargetSP target_sp = sc.target_sp;
832
833 if (!target_sp) {
835 }
836
837 lldb::ProcessSP process_sp = sc.target_sp->GetProcessSP();
838
839 if (!process_sp) {
841 }
842
843 for (const ConstString &name : names) {
844 for (LanguageRuntime *runtime : process_sp->GetLanguageRuntimes()) {
845 lldb::addr_t symbol_load_addr = runtime->LookupRuntimeSymbol(name);
846
847 if (symbol_load_addr != LLDB_INVALID_ADDRESS)
848 return symbol_load_addr;
849 }
850 }
851
853}
854
856 const std::vector<ConstString> &names,
857 const lldb_private::SymbolContext &sc) {
858 lldb::TargetSP target_sp = sc.target_sp;
859
860 for (const ConstString &name : names) {
861 lldb::addr_t symbol_load_addr = target_sp->GetPersistentSymbol(name);
862
863 if (symbol_load_addr != LLDB_INVALID_ADDRESS)
864 return symbol_load_addr;
865 }
866
868}
869
871 bool &missing_weak) {
872 std::vector<ConstString> candidate_C_names;
873 std::vector<ConstString> candidate_CPlusPlus_names;
874
875 CollectCandidateCNames(candidate_C_names, name);
876
877 lldb::addr_t ret = FindInSymbols(candidate_C_names, m_sym_ctx, missing_weak);
878 if (ret != LLDB_INVALID_ADDRESS)
879 return ret;
880
881 // If we find the symbol in runtimes or user defined symbols it can't be
882 // a missing weak symbol.
883 missing_weak = false;
884 ret = FindInRuntimes(candidate_C_names, m_sym_ctx);
885 if (ret != LLDB_INVALID_ADDRESS)
886 return ret;
887
888 ret = FindInUserDefinedSymbols(candidate_C_names, m_sym_ctx);
889 if (ret != LLDB_INVALID_ADDRESS)
890 return ret;
891
892 CollectCandidateCPlusPlusNames(candidate_CPlusPlus_names, candidate_C_names,
893 m_sym_ctx);
894 ret = FindInSymbols(candidate_CPlusPlus_names, m_sym_ctx, missing_weak);
895 return ret;
896}
897
899 std::vector<lldb::addr_t> &static_initializers) {
901
902 llvm::GlobalVariable *global_ctors =
903 m_module->getNamedGlobal("llvm.global_ctors");
904 if (!global_ctors) {
905 LLDB_LOG(log, "Couldn't find llvm.global_ctors.");
906 return;
907 }
908 auto *ctor_array =
909 llvm::dyn_cast<llvm::ConstantArray>(global_ctors->getInitializer());
910 if (!ctor_array) {
911 LLDB_LOG(log, "llvm.global_ctors not a ConstantArray.");
912 return;
913 }
914
915 for (llvm::Use &ctor_use : ctor_array->operands()) {
916 auto *ctor_struct = llvm::dyn_cast<llvm::ConstantStruct>(ctor_use);
917 if (!ctor_struct)
918 continue;
919 // this is standardized
920 lldbassert(ctor_struct->getNumOperands() == 3);
921 auto *ctor_function =
922 llvm::dyn_cast<llvm::Function>(ctor_struct->getOperand(1));
923 if (!ctor_function) {
924 LLDB_LOG(log, "global_ctor doesn't contain an llvm::Function");
925 continue;
926 }
927
928 ConstString ctor_function_name(ctor_function->getName().str());
929 LLDB_LOG(log, "Looking for callable jitted function with name {0}.",
930 ctor_function_name);
931
932 for (JittedFunction &jitted_function : m_jitted_functions) {
933 if (ctor_function_name != jitted_function.m_name)
934 continue;
935 if (jitted_function.m_remote_addr == LLDB_INVALID_ADDRESS) {
936 LLDB_LOG(log, "Found jitted function with invalid address.");
937 continue;
938 }
939 static_initializers.push_back(jitted_function.m_remote_addr);
940 LLDB_LOG(log, "Calling function at address {0:x}.",
941 jitted_function.m_remote_addr);
942 break;
943 }
944 }
945}
946
947llvm::JITSymbol
949 bool missing_weak = false;
950 uint64_t addr = GetSymbolAddressAndPresence(Name, missing_weak);
951 // This is a weak symbol:
952 if (missing_weak)
953 return llvm::JITSymbol(addr,
954 llvm::JITSymbolFlags::Exported | llvm::JITSymbolFlags::Weak);
955 else
956 return llvm::JITSymbol(addr, llvm::JITSymbolFlags::Exported);
957}
958
959uint64_t
961 bool missing_weak = false;
962 return GetSymbolAddressAndPresence(Name, missing_weak);
963}
964
965uint64_t
967 const std::string &Name, bool &missing_weak) {
969
970 ConstString name_cs(Name.c_str());
971
972 lldb::addr_t ret = m_parent.FindSymbol(name_cs, missing_weak);
973
974 if (ret == LLDB_INVALID_ADDRESS) {
975 LLDB_LOGF(log,
976 "IRExecutionUnit::getSymbolAddress(Name=\"%s\") = <not found>",
977 Name.c_str());
978
979 m_parent.ReportSymbolLookupError(name_cs);
980 return 0;
981 } else {
982 LLDB_LOGF(log, "IRExecutionUnit::getSymbolAddress(Name=\"%s\") = %" PRIx64,
983 Name.c_str(), ret);
984 return ret;
985 }
986}
987
989 const std::string &Name, bool AbortOnFailure) {
990 return (void *)getSymbolAddress(Name);
991}
992
996
997 for (AllocationRecord &record : m_records) {
998 if (local_address >= record.m_host_address &&
999 local_address < record.m_host_address + record.m_size) {
1000 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1001 return LLDB_INVALID_ADDRESS;
1002
1003 lldb::addr_t ret =
1004 record.m_process_address + (local_address - record.m_host_address);
1005
1006 LLDB_LOGF(log,
1007 "IRExecutionUnit::GetRemoteAddressForLocal() found 0x%" PRIx64
1008 " in [0x%" PRIx64 "..0x%" PRIx64 "], and returned 0x%" PRIx64
1009 " from [0x%" PRIx64 "..0x%" PRIx64 "].",
1010 local_address, (uint64_t)record.m_host_address,
1011 (uint64_t)record.m_host_address + (uint64_t)record.m_size, ret,
1012 record.m_process_address,
1013 record.m_process_address + record.m_size);
1014
1015 return ret;
1016 }
1017 }
1018
1019 return LLDB_INVALID_ADDRESS;
1020}
1021
1024 for (AllocationRecord &record : m_records) {
1025 if (local_address >= record.m_host_address &&
1026 local_address < record.m_host_address + record.m_size) {
1027 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1028 return AddrRange(0, 0);
1029
1030 return AddrRange(record.m_process_address, record.m_size);
1031 }
1032 }
1033
1034 return AddrRange(0, 0);
1035}
1036
1038 Status &error,
1039 AllocationRecord &record) {
1041 return true;
1042 }
1043
1044 switch (record.m_sect_type) {
1066 error.Clear();
1067 break;
1068 default:
1069 const bool zero_memory = false;
1070 record.m_process_address =
1071 Malloc(record.m_size, record.m_alignment, record.m_permissions,
1072 eAllocationPolicyProcessOnly, zero_memory, error);
1073 break;
1074 }
1075
1076 return error.Success();
1077}
1078
1080 bool ret = true;
1081
1083
1084 for (AllocationRecord &record : m_records) {
1085 ret = CommitOneAllocation(process_sp, err, record);
1086
1087 if (!ret) {
1088 break;
1089 }
1090 }
1091
1092 if (!ret) {
1093 for (AllocationRecord &record : m_records) {
1094 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
1095 Free(record.m_process_address, err);
1096 record.m_process_address = LLDB_INVALID_ADDRESS;
1097 }
1098 }
1099 }
1100
1101 return ret;
1102}
1103
1104void IRExecutionUnit::ReportAllocations(llvm::ExecutionEngine &engine) {
1106
1107 for (AllocationRecord &record : m_records) {
1108 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1109 continue;
1110
1111 if (record.m_section_id == eSectionIDInvalid)
1112 continue;
1113
1114 engine.mapSectionAddress((void *)record.m_host_address,
1115 record.m_process_address);
1116 }
1117
1118 // Trigger re-application of relocations.
1119 engine.finalizeObject();
1120}
1121
1123 bool wrote_something = false;
1124 for (AllocationRecord &record : m_records) {
1125 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
1127 WriteMemory(record.m_process_address, (uint8_t *)record.m_host_address,
1128 record.m_size, err);
1129 if (err.Success())
1130 wrote_something = true;
1131 }
1132 }
1133 return wrote_something;
1134}
1135
1137 if (!log)
1138 return;
1139
1140 LLDB_LOGF(log,
1141 "[0x%llx+0x%llx]->0x%llx (alignment %d, section ID %d, name %s)",
1142 (unsigned long long)m_host_address, (unsigned long long)m_size,
1143 (unsigned long long)m_process_address, (unsigned)m_alignment,
1144 (unsigned)m_section_id, m_name.c_str());
1145}
1146
1149 return exe_ctx.GetByteOrder();
1150}
1151
1154 return exe_ctx.GetAddressByteSize();
1155}
1156
1158 lldb_private::Symtab &symtab) {
1159 // No symbols yet...
1160}
1161
1163 lldb_private::ObjectFile *obj_file,
1164 lldb_private::SectionList &section_list) {
1165 for (AllocationRecord &record : m_records) {
1166 if (record.m_size > 0) {
1168 obj_file->GetModule(), obj_file, record.m_section_id,
1169 ConstString(record.m_name), record.m_sect_type,
1170 record.m_process_address, record.m_size,
1171 record.m_host_address, // file_offset (which is the host address for
1172 // the data)
1173 record.m_size, // file_size
1174 0,
1175 record.m_permissions)); // flags
1176 section_list.AddSection(section_sp);
1177 }
1178 }
1179}
1180
1183 if(Target *target = exe_ctx.GetTargetPtr())
1184 return target->GetArchitecture();
1185 return ArchSpec();
1186}
1187
1190 Target *target = exe_ctx.GetTargetPtr();
1191 if (!target)
1192 return nullptr;
1193
1194 auto Delegate = std::static_pointer_cast<lldb_private::ObjectFileJITDelegate>(
1195 shared_from_this());
1196
1197 lldb::ModuleSP jit_module_sp =
1198 lldb_private::Module::CreateModuleFromObjectFile<ObjectFileJIT>(Delegate);
1199 if (!jit_module_sp)
1200 return nullptr;
1201
1202 bool changed = false;
1203 jit_module_sp->SetLoadAddress(*target, 0, true, changed);
1204 return jit_module_sp;
1205}
static llvm::raw_ostream & error(Stream &strm)
#define lldbassert(x)
Definition: LLDBAssert.h:15
#define LLDB_LOG(log,...)
The LLDB_LOG* macros defined below are the way to emit log messages.
Definition: Log.h:342
#define LLDB_LOGF(log,...)
Definition: Log.h:349
LoadAddressResolver(Target *target, bool &symbol_was_missing_weak)
std::optional< lldb::addr_t > Resolve(SymbolContextList &sc_list)
lldb::addr_t GetBestInternalLoadAddress() const
A section + offset based address class.
Definition: Address.h:62
lldb::addr_t GetLoadAddress(Target *target) const
Get the load address.
Definition: Address.cpp:313
lldb::addr_t GetFileAddress() const
Get the file address.
Definition: Address.cpp:293
An architecture specification class.
Definition: ArchSpec.h:31
uint32_t GetAddressByteSize() const
Returns the size in bytes of an address of the current architecture.
Definition: ArchSpec.cpp:691
const char * GetArchitectureName() const
Returns a static string representing the current architecture.
Definition: ArchSpec.cpp:552
Represents a generic declaration context in a program.
A uniqued constant string class.
Definition: ConstString.h:40
const char * AsCString(const char *value_if_empty=nullptr) const
Get the string value as a C string.
Definition: ConstString.h:188
bool IsEmpty() const
Test for empty string.
Definition: ConstString.h:302
A subclass of DataBuffer that stores a data buffer on the heap.
lldb::offset_t GetByteSize() const override
Get the number of bytes in the data buffer.
An data extractor class.
Definition: DataExtractor.h:48
uint64_t GetByteSize() const
Get the number of bytes contained in this object.
@ TypeUInt8
Format output as unsigned 8 bit integers.
Definition: DataExtractor.h:53
lldb::offset_t PutToLog(Log *log, lldb::offset_t offset, lldb::offset_t length, uint64_t base_addr, uint32_t num_per_line, Type type) const
Dumps the binary data as type objects to stream s (or to Log() if s is nullptr) starting offset bytes...
static lldb::DisassemblerSP FindPlugin(const ArchSpec &arch, const char *flavor, const char *plugin_name)
"lldb/Target/ExecutionContext.h" A class that contains an execution context.
lldb::ByteOrder GetByteOrder() const
Target * GetTargetPtr() const
Returns a pointer to the target object.
Process * GetProcessPtr() const
Returns a pointer to the process object.
A file utility class.
Definition: FileSpec.h:56
FileSpec CopyByAppendingPathComponent(llvm::StringRef component) const
Definition: FileSpec.cpp:418
size_t GetPath(char *path, size_t max_path_length, bool denormalize=true) const
Extract the full path to the file.
Definition: FileSpec.cpp:367
void * getPointerToNamedFunction(const std::string &Name, bool AbortOnFailure=true) override
uint64_t getSymbolAddress(const std::string &Name) override
uint8_t * allocateDataSection(uintptr_t Size, unsigned Alignment, unsigned SectionID, llvm::StringRef SectionName, bool IsReadOnly) override
Allocate space for data, and add it to the m_spaceBlocks map.
uint64_t GetSymbolAddressAndPresence(const std::string &Name, bool &missing_weak)
llvm::JITSymbol findSymbol(const std::string &Name) override
uint8_t * allocateCodeSection(uintptr_t Size, unsigned Alignment, unsigned SectionID, llvm::StringRef SectionName) override
Allocate space for executable code, and add it to the m_spaceBlocks map.
"lldb/Expression/IRExecutionUnit.h" Contains the IR and, optionally, JIT- compiled code for a module.
std::vector< std::string > m_cpu_features
void CollectCandidateCPlusPlusNames(std::vector< ConstString > &CPP_names, const std::vector< ConstString > &C_names, const SymbolContext &sc)
lldb::addr_t WriteNow(const uint8_t *bytes, size_t size, Status &error)
Accessors for IRForTarget and other clients that may want binary data placed on their behalf.
static const unsigned eSectionIDInvalid
void PopulateSymtab(lldb_private::ObjectFile *obj_file, lldb_private::Symtab &symtab) override
lldb::addr_t FindInSymbols(const std::vector< ConstString > &names, const lldb_private::SymbolContext &sc, bool &symbol_was_missing_weak)
void GetRunnableInfo(Status &error, lldb::addr_t &func_addr, lldb::addr_t &func_end)
lldb::ByteOrder GetByteOrder() const override
ObjectFileJITDelegate overrides.
SymbolContext m_sym_ctx
Used for symbol lookups.
std::vector< JittedFunction > m_jitted_functions
A vector of all functions that have been JITted into machine code.
Status DisassembleFunction(Stream &stream, lldb::ProcessSP &process_sp)
std::vector< ConstString > m_failed_lookups
std::unique_ptr< llvm::Module > m_module_up
Holder for the module until it's been handed off.
lldb::addr_t FindSymbol(ConstString name, bool &missing_weak)
lldb::addr_t FindInRuntimes(const std::vector< ConstString > &names, const lldb_private::SymbolContext &sc)
IRExecutionUnit(std::unique_ptr< llvm::LLVMContext > &context_up, std::unique_ptr< llvm::Module > &module_up, ConstString &name, const lldb::TargetSP &target_sp, const SymbolContext &sym_ctx, std::vector< std::string > &cpu_features)
Constructor.
static lldb::SectionType GetSectionTypeFromSectionName(const llvm::StringRef &name, AllocationKind alloc_kind)
uint32_t GetAddressByteSize() const override
bool CommitAllocations(lldb::ProcessSP &process_sp)
Commit all allocations to the process and record where they were stored.
bool CommitOneAllocation(lldb::ProcessSP &process_sp, Status &error, AllocationRecord &record)
void GetStaticInitializers(std::vector< lldb::addr_t > &static_initializers)
void CollectCandidateCNames(std::vector< ConstString > &C_names, ConstString name)
std::unique_ptr< llvm::ExecutionEngine > m_execution_engine_up
llvm::Module * m_module
Owned by the execution engine.
std::unique_ptr< llvm::LLVMContext > m_context_up
ArchSpec GetArchitecture() override
AddrRange GetRemoteRangeForLocal(lldb::addr_t local_address)
Look up the object in m_address_map that contains a given address, find where it was copied to,...
bool m_strip_underscore
True for platforms where global symbols have a _ prefix.
void ReportSymbolLookupError(ConstString name)
lldb::addr_t FindInUserDefinedSymbols(const std::vector< ConstString > &names, const lldb_private::SymbolContext &sc)
void PopulateSectionList(lldb_private::ObjectFile *obj_file, lldb_private::SectionList &section_list) override
std::pair< lldb::addr_t, uintptr_t > AddrRange
void FreeNow(lldb::addr_t allocation)
std::atomic< bool > m_did_jit
std::vector< JittedGlobalVariable > m_jitted_global_variables
A vector of all functions that have been JITted into machine code.
bool WriteData(lldb::ProcessSP &process_sp)
Write the contents of all allocations to the process.
std::unique_ptr< llvm::ObjectCache > m_object_cache_up
~IRExecutionUnit() override
Destructor.
void ReportAllocations(llvm::ExecutionEngine &engine)
Report all committed allocations to the execution engine.
lldb::addr_t GetRemoteAddressForLocal(lldb::addr_t local_address)
Look up the object in m_address_map that contains a given address, find where it was copied to,...
bool m_reported_allocations
True after allocations have been reported.
Encapsulates memory that may exist in the process but must also be available in the host process.
Definition: IRMemoryMap.h:34
void Free(lldb::addr_t process_address, Status &error)
ExecutionContextScope * GetBestExecutionContextScope() const
lldb::addr_t Malloc(size_t size, uint8_t alignment, uint32_t permissions, AllocationPolicy policy, bool zero_memory, Status &error)
lldb::ProcessWP & GetProcessWP()
Definition: IRMemoryMap.h:86
void WriteMemory(lldb::addr_t process_address, const uint8_t *bytes, size_t size, Status &error)
void ReadMemory(uint8_t *bytes, lldb::addr_t process_address, size_t size, Status &error)
@ eAllocationPolicyProcessOnly
The intent is that this allocation exist only in the process.
Definition: IRMemoryMap.h:49
@ eAllocationPolicyMirror
The intent is that this allocation exist both in the host and the process and have the same content i...
Definition: IRMemoryMap.h:46
void Dump(Stream *s, bool show_address, bool show_bytes, bool show_control_flow_kind, const ExecutionContext *exe_ctx)
static Language * FindPlugin(lldb::LanguageType language)
Definition: Language.cpp:53
A class that handles mangled names.
Definition: Mangled.h:33
lldb::ModuleSP GetModule() const
Get const accessor for the module pointer.
Definition: ModuleChild.cpp:24
A plug-in interface definition class for object file parsers.
Definition: ObjectFile.h:44
A plug-in interface definition class for debugging a process.
Definition: Process.h:340
virtual size_t ReadMemory(lldb::addr_t vm_addr, void *buf, size_t size, Status &error)
Read of memory from a process.
Definition: Process.cpp:1938
lldb::ByteOrder GetByteOrder() const
Definition: Process.cpp:3402
size_t AddSection(const lldb::SectionSP &section_sp)
Definition: Section.cpp:475
An error handling class.
Definition: Status.h:44
void Clear()
Clear the object state.
Definition: Status.cpp:167
void SetErrorToGenericError()
Set the current error to a generic error.
Definition: Status.cpp:223
int SetErrorStringWithFormat(const char *format,...) __attribute__((format(printf
Set the current error string to a formatted error string.
Definition: Status.cpp:247
const char * AsCString(const char *default_error_str="unknown error") const
Get the error string associated with the current error.
Definition: Status.cpp:130
void SetErrorString(llvm::StringRef err_str)
Set the current error string to err_str.
Definition: Status.cpp:233
bool Success() const
Test for success condition.
Definition: Status.cpp:279
const char * GetData() const
Definition: StreamString.h:43
llvm::StringRef GetString() const
A stream class that can stream formatted output to a file.
Definition: Stream.h:28
size_t PutCString(llvm::StringRef cstr)
Output a C string to the stream.
Definition: Stream.cpp:65
Defines a list of symbol context objects.
SymbolContextIterable SymbolContexts()
Defines a symbol context baton that can be handed other debug core functions.
Definition: SymbolContext.h:34
lldb::ModuleSP module_sp
The Module for a given query.
lldb::TargetSP target_sp
The Target for a given query.
const ArchSpec & GetArchitecture() const
Definition: Target.h:1012
uint8_t * GetBytes()
Get a pointer to the data.
Definition: DataBuffer.h:108
#define LLDB_INVALID_ADDRESS
Definition: lldb-defines.h:82
#define UINT32_MAX
Definition: lldb-defines.h:19
A class that represents a running process on the host machine.
Definition: SBAttachInfo.h:14
Log * GetLog(Cat mask)
Retrieve the Log object for the channel associated with the given log enum.
Definition: Log.h:314
@ eLanguageTypeC_plus_plus
ISO C++:1998.
std::shared_ptr< lldb_private::Process > ProcessSP
Definition: lldb-forward.h:381
@ eSymbolTypeUndefined
std::shared_ptr< lldb_private::Disassembler > DisassemblerSP
Definition: lldb-forward.h:333
ByteOrder
Byte ordering definitions.
std::shared_ptr< lldb_private::Section > SectionSP
Definition: lldb-forward.h:406
std::shared_ptr< lldb_private::WritableDataBuffer > WritableDataBufferSP
Definition: lldb-forward.h:329
uint64_t addr_t
Definition: lldb-types.h:79
std::shared_ptr< lldb_private::Target > TargetSP
Definition: lldb-forward.h:436
@ eSectionTypeDWARFDebugStrOffsets
@ eSectionTypeData
@ eSectionTypeInvalid
@ eSectionTypeDWARFDebugPubNames
@ eSectionTypeDWARFDebugFrame
@ eSectionTypeDWARFDebugLocLists
DWARF v5 .debug_loclists.
@ eSectionTypeDWARFDebugMacInfo
@ eSectionTypeDWARFAppleNamespaces
@ eSectionTypeOther
@ eSectionTypeDWARFAppleTypes
@ eSectionTypeDWARFDebugInfo
@ eSectionTypeDWARFDebugRanges
@ eSectionTypeDWARFDebugLine
@ eSectionTypeDWARFDebugPubTypes
@ eSectionTypeDWARFDebugStr
@ eSectionTypeDWARFDebugLoc
@ eSectionTypeDWARFAppleNames
@ eSectionTypeDWARFAppleObjC
@ eSectionTypeCode
@ eSectionTypeDWARFDebugCuIndex
@ eSectionTypeDWARFDebugAranges
@ eSectionTypeDWARFGNUDebugAltLink
@ eSectionTypeDWARFDebugAbbrev
@ eSectionTypeDWARFDebugAddr
std::shared_ptr< lldb_private::Module > ModuleSP
Definition: lldb-forward.h:365
Definition: Debugger.h:53
Encapsulates a single allocation request made by the JIT.
"lldb/Expression/IRExecutionUnit.h" Encapsulates a single function that has been generated by the JIT...
Options used by Module::FindFunctions.
Definition: Module.h:65
bool include_inlines
Include inlined functions.
Definition: Module.h:69
bool include_symbols
Include the symbol table.
Definition: Module.h:67