LLDB mainline
IRExecutionUnit.cpp
Go to the documentation of this file.
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=*/false,
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.getSeverity() == llvm::DS_Error) {
216 const auto &DISM = llvm::cast<llvm::DiagnosticInfoSrcMgr>(DI);
217 if (err && err->Success()) {
220 "IRExecution error: %s",
221 DISM.getSMDiag().getMessage().str().c_str());
222 }
223 }
224
225 return true;
226 }
227};
228} // namespace
229
231 m_failed_lookups.push_back(name);
232}
233
235 lldb::addr_t &func_end) {
236 lldb::ProcessSP process_sp(GetProcessWP().lock());
237
238 static std::recursive_mutex s_runnable_info_mutex;
239
240 func_addr = LLDB_INVALID_ADDRESS;
241 func_end = LLDB_INVALID_ADDRESS;
242
243 if (!process_sp) {
244 error.SetErrorToGenericError();
245 error.SetErrorString("Couldn't write the JIT compiled code into the "
246 "process because the process is invalid");
247 return;
248 }
249
250 if (m_did_jit) {
251 func_addr = m_function_load_addr;
252 func_end = m_function_end_load_addr;
253
254 return;
255 };
256
257 std::lock_guard<std::recursive_mutex> guard(s_runnable_info_mutex);
258
259 m_did_jit = true;
260
262
263 std::string error_string;
264
265 if (log) {
266 std::string s;
267 llvm::raw_string_ostream oss(s);
268
269 m_module->print(oss, nullptr);
270
271 oss.flush();
272
273 LLDB_LOGF(log, "Module being sent to JIT: \n%s", s.c_str());
274 }
275
276 m_module_up->getContext().setDiagnosticHandler(
277 std::make_unique<IRExecDiagnosticHandler>(&error));
278
279 llvm::EngineBuilder builder(std::move(m_module_up));
280 llvm::Triple triple(m_module->getTargetTriple());
281
282 builder.setEngineKind(llvm::EngineKind::JIT)
283 .setErrorStr(&error_string)
284 .setRelocationModel(triple.isOSBinFormatMachO() ? llvm::Reloc::PIC_
285 : llvm::Reloc::Static)
286 .setMCJITMemoryManager(std::make_unique<MemoryManager>(*this))
287 .setOptLevel(llvm::CodeGenOptLevel::Less);
288
289 llvm::StringRef mArch;
290 llvm::StringRef mCPU;
291 llvm::SmallVector<std::string, 0> mAttrs;
292
293 for (std::string &feature : m_cpu_features)
294 mAttrs.push_back(feature);
295
296 llvm::TargetMachine *target_machine =
297 builder.selectTarget(triple, mArch, mCPU, mAttrs);
298
299 m_execution_engine_up.reset(builder.create(target_machine));
300
302 error.SetErrorToGenericError();
303 error.SetErrorStringWithFormat("Couldn't JIT the function: %s",
304 error_string.c_str());
305 return;
306 }
307
309 (m_execution_engine_up->getDataLayout().getGlobalPrefix() == '_');
310
311 class ObjectDumper : public llvm::ObjectCache {
312 public:
313 ObjectDumper(FileSpec output_dir) : m_out_dir(output_dir) {}
314 void notifyObjectCompiled(const llvm::Module *module,
315 llvm::MemoryBufferRef object) override {
316 int fd = 0;
317 llvm::SmallVector<char, 256> result_path;
318 std::string object_name_model =
319 "jit-object-" + module->getModuleIdentifier() + "-%%%.o";
320 FileSpec model_spec
321 = m_out_dir.CopyByAppendingPathComponent(object_name_model);
322 std::string model_path = model_spec.GetPath();
323
324 std::error_code result
325 = llvm::sys::fs::createUniqueFile(model_path, fd, result_path);
326 if (!result) {
327 llvm::raw_fd_ostream fds(fd, true);
328 fds.write(object.getBufferStart(), object.getBufferSize());
329 }
330 }
331 std::unique_ptr<llvm::MemoryBuffer>
332 getObject(const llvm::Module *module) override {
333 // Return nothing - we're just abusing the object-cache mechanism to dump
334 // objects.
335 return nullptr;
336 }
337 private:
338 FileSpec m_out_dir;
339 };
340
341 FileSpec save_objects_dir = process_sp->GetTarget().GetSaveJITObjectsDir();
342 if (save_objects_dir) {
343 m_object_cache_up = std::make_unique<ObjectDumper>(save_objects_dir);
344 m_execution_engine_up->setObjectCache(m_object_cache_up.get());
345 }
346
347 // Make sure we see all sections, including ones that don't have
348 // relocations...
349 m_execution_engine_up->setProcessAllSections(true);
350
351 m_execution_engine_up->DisableLazyCompilation();
352
353 for (llvm::Function &function : *m_module) {
354 if (function.isDeclaration() || function.hasPrivateLinkage())
355 continue;
356
357 const bool external = !function.hasLocalLinkage();
358
359 void *fun_ptr = m_execution_engine_up->getPointerToFunction(&function);
360
361 if (!error.Success()) {
362 // We got an error through our callback!
363 return;
364 }
365
366 if (!fun_ptr) {
367 error.SetErrorToGenericError();
368 error.SetErrorStringWithFormat(
369 "'%s' was in the JITted module but wasn't lowered",
370 function.getName().str().c_str());
371 return;
372 }
374 function.getName().str().c_str(), external, reinterpret_cast<uintptr_t>(fun_ptr)));
375 }
376
377 CommitAllocations(process_sp);
379
380 // We have to do this after calling ReportAllocations because for the MCJIT,
381 // getGlobalValueAddress will cause the JIT to perform all relocations. That
382 // can only be done once, and has to happen after we do the remapping from
383 // local -> remote. That means we don't know the local address of the
384 // Variables, but we don't need that for anything, so that's okay.
385
386 std::function<void(llvm::GlobalValue &)> RegisterOneValue = [this](
387 llvm::GlobalValue &val) {
388 if (val.hasExternalLinkage() && !val.isDeclaration()) {
389 uint64_t var_ptr_addr =
390 m_execution_engine_up->getGlobalValueAddress(val.getName().str());
391
392 lldb::addr_t remote_addr = GetRemoteAddressForLocal(var_ptr_addr);
393
394 // This is a really unfortunae API that sometimes returns local addresses
395 // and sometimes returns remote addresses, based on whether the variable
396 // was relocated during ReportAllocations or not.
397
398 if (remote_addr == LLDB_INVALID_ADDRESS) {
399 remote_addr = var_ptr_addr;
400 }
401
402 if (var_ptr_addr != 0)
404 val.getName().str().c_str(), LLDB_INVALID_ADDRESS, remote_addr));
405 }
406 };
407
408 for (llvm::GlobalVariable &global_var : m_module->globals()) {
409 RegisterOneValue(global_var);
410 }
411
412 for (llvm::GlobalAlias &global_alias : m_module->aliases()) {
413 RegisterOneValue(global_alias);
414 }
415
416 WriteData(process_sp);
417
418 if (m_failed_lookups.size()) {
419 StreamString ss;
420
421 ss.PutCString("Couldn't look up symbols:\n");
422
423 bool emitNewLine = false;
424
425 for (ConstString failed_lookup : m_failed_lookups) {
426 if (emitNewLine)
427 ss.PutCString("\n");
428 emitNewLine = true;
429 ss.PutCString(" ");
430 ss.PutCString(Mangled(failed_lookup).GetDemangledName().GetStringRef());
431 }
432
433 m_failed_lookups.clear();
434 ss.PutCString(
435 "\nHint: The expression tried to call a function that is not present "
436 "in the target, perhaps because it was optimized out by the compiler.");
437 error.SetErrorString(ss.GetString());
438
439 return;
440 }
441
444
445 for (JittedFunction &jitted_function : m_jitted_functions) {
446 jitted_function.m_remote_addr =
447 GetRemoteAddressForLocal(jitted_function.m_local_addr);
448
449 if (!m_name.IsEmpty() && jitted_function.m_name == m_name) {
450 AddrRange func_range =
451 GetRemoteRangeForLocal(jitted_function.m_local_addr);
452 m_function_end_load_addr = func_range.first + func_range.second;
453 m_function_load_addr = jitted_function.m_remote_addr;
454 }
455 }
456
457 if (log) {
458 LLDB_LOGF(log, "Code can be run in the target.");
459
460 StreamString disassembly_stream;
461
462 Status err = DisassembleFunction(disassembly_stream, process_sp);
463
464 if (!err.Success()) {
465 LLDB_LOGF(log, "Couldn't disassemble function : %s",
466 err.AsCString("unknown error"));
467 } else {
468 LLDB_LOGF(log, "Function disassembly:\n%s", disassembly_stream.GetData());
469 }
470
471 LLDB_LOGF(log, "Sections: ");
472 for (AllocationRecord &record : m_records) {
473 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
474 record.dump(log);
475
476 DataBufferHeap my_buffer(record.m_size, 0);
477 Status err;
478 ReadMemory(my_buffer.GetBytes(), record.m_process_address,
479 record.m_size, err);
480
481 if (err.Success()) {
482 DataExtractor my_extractor(my_buffer.GetBytes(),
483 my_buffer.GetByteSize(),
485 my_extractor.PutToLog(log, 0, my_buffer.GetByteSize(),
486 record.m_process_address, 16,
488 }
489 } else {
490 record.dump(log);
491
492 DataExtractor my_extractor((const void *)record.m_host_address,
493 record.m_size, lldb::eByteOrderBig, 8);
494 my_extractor.PutToLog(log, 0, record.m_size, record.m_host_address, 16,
496 }
497 }
498 }
499
500 func_addr = m_function_load_addr;
501 func_end = m_function_end_load_addr;
502}
503
505 m_module_up.reset();
506 m_execution_engine_up.reset();
507 m_context_up.reset();
508}
509
511 : m_default_mm_up(new llvm::SectionMemoryManager()), m_parent(parent) {}
512
514
516 const llvm::StringRef &name, IRExecutionUnit::AllocationKind alloc_kind) {
518 switch (alloc_kind) {
520 sect_type = lldb::eSectionTypeCode;
521 break;
523 sect_type = lldb::eSectionTypeCode;
524 break;
526 sect_type = lldb::eSectionTypeData;
527 break;
529 sect_type = lldb::eSectionTypeData;
530 break;
532 sect_type = lldb::eSectionTypeOther;
533 break;
534 }
535
536 if (!name.empty()) {
537 if (name == "__text" || name == ".text")
538 sect_type = lldb::eSectionTypeCode;
539 else if (name == "__data" || name == ".data")
540 sect_type = lldb::eSectionTypeCode;
541 else if (name.starts_with("__debug_") || name.starts_with(".debug_")) {
542 const uint32_t name_idx = name[0] == '_' ? 8 : 7;
543 llvm::StringRef dwarf_name(name.substr(name_idx));
544 switch (dwarf_name[0]) {
545 case 'a':
546 if (dwarf_name == "abbrev")
548 else if (dwarf_name == "aranges")
550 else if (dwarf_name == "addr")
552 break;
553
554 case 'f':
555 if (dwarf_name == "frame")
557 break;
558
559 case 'i':
560 if (dwarf_name == "info")
562 break;
563
564 case 'l':
565 if (dwarf_name == "line")
567 else if (dwarf_name == "loc")
569 else if (dwarf_name == "loclists")
571 break;
572
573 case 'm':
574 if (dwarf_name == "macinfo")
576 break;
577
578 case 'p':
579 if (dwarf_name == "pubnames")
581 else if (dwarf_name == "pubtypes")
583 break;
584
585 case 's':
586 if (dwarf_name == "str")
588 else if (dwarf_name == "str_offsets")
590 break;
591
592 case 'r':
593 if (dwarf_name == "ranges")
595 break;
596
597 default:
598 break;
599 }
600 } else if (name.starts_with("__apple_") || name.starts_with(".apple_"))
601 sect_type = lldb::eSectionTypeInvalid;
602 else if (name == "__objc_imageinfo")
603 sect_type = lldb::eSectionTypeOther;
604 }
605 return sect_type;
606}
607
609 uintptr_t Size, unsigned Alignment, unsigned SectionID,
610 llvm::StringRef SectionName) {
612
613 uint8_t *return_value = m_default_mm_up->allocateCodeSection(
614 Size, Alignment, SectionID, SectionName);
615
616 m_parent.m_records.push_back(AllocationRecord(
617 (uintptr_t)return_value,
618 lldb::ePermissionsReadable | lldb::ePermissionsExecutable,
620 Alignment, SectionID, SectionName.str().c_str()));
621
622 LLDB_LOGF(log,
623 "IRExecutionUnit::allocateCodeSection(Size=0x%" PRIx64
624 ", Alignment=%u, SectionID=%u) = %p",
625 (uint64_t)Size, Alignment, SectionID, (void *)return_value);
626
627 if (m_parent.m_reported_allocations) {
628 Status err;
629 lldb::ProcessSP process_sp =
630 m_parent.GetBestExecutionContextScope()->CalculateProcess();
631
632 m_parent.CommitOneAllocation(process_sp, err, m_parent.m_records.back());
633 }
634
635 return return_value;
636}
637
639 uintptr_t Size, unsigned Alignment, unsigned SectionID,
640 llvm::StringRef SectionName, bool IsReadOnly) {
642
643 uint8_t *return_value = m_default_mm_up->allocateDataSection(
644 Size, Alignment, SectionID, SectionName, IsReadOnly);
645
646 uint32_t permissions = lldb::ePermissionsReadable;
647 if (!IsReadOnly)
648 permissions |= lldb::ePermissionsWritable;
649 m_parent.m_records.push_back(AllocationRecord(
650 (uintptr_t)return_value, permissions,
652 Alignment, SectionID, SectionName.str().c_str()));
653 LLDB_LOGF(log,
654 "IRExecutionUnit::allocateDataSection(Size=0x%" PRIx64
655 ", Alignment=%u, SectionID=%u) = %p",
656 (uint64_t)Size, Alignment, SectionID, (void *)return_value);
657
658 if (m_parent.m_reported_allocations) {
659 Status err;
660 lldb::ProcessSP process_sp =
661 m_parent.GetBestExecutionContextScope()->CalculateProcess();
662
663 m_parent.CommitOneAllocation(process_sp, err, m_parent.m_records.back());
664 }
665
666 return return_value;
667}
668
669void IRExecutionUnit::CollectCandidateCNames(std::vector<ConstString> &C_names,
670 ConstString name) {
671 if (m_strip_underscore && name.AsCString()[0] == '_')
672 C_names.insert(C_names.begin(), ConstString(&name.AsCString()[1]));
673 C_names.push_back(name);
674}
675
677 std::vector<ConstString> &CPP_names,
678 const std::vector<ConstString> &C_names, const SymbolContext &sc) {
680 for (const ConstString &name : C_names) {
681 Mangled mangled(name);
682 if (cpp_lang->SymbolNameFitsToLanguage(mangled)) {
683 if (ConstString best_alternate =
684 cpp_lang->FindBestAlternateFunctionMangledName(mangled, sc)) {
685 CPP_names.push_back(best_alternate);
686 }
687 }
688
689 std::vector<ConstString> alternates =
690 cpp_lang->GenerateAlternateFunctionManglings(name);
691 CPP_names.insert(CPP_names.end(), alternates.begin(), alternates.end());
692
693 // As a last-ditch fallback, try the base name for C++ names. It's
694 // terrible, but the DWARF doesn't always encode "extern C" correctly.
695 ConstString basename =
696 cpp_lang->GetDemangledFunctionNameWithoutArguments(mangled);
697 CPP_names.push_back(basename);
698 }
699 }
700}
701
703public:
704 LoadAddressResolver(Target *target, bool &symbol_was_missing_weak)
705 : m_target(target), m_symbol_was_missing_weak(symbol_was_missing_weak) {}
706
707 std::optional<lldb::addr_t> Resolve(SymbolContextList &sc_list) {
708 if (sc_list.IsEmpty())
709 return std::nullopt;
710
711 lldb::addr_t load_address = LLDB_INVALID_ADDRESS;
712
713 // Missing_weak_symbol will be true only if we found only weak undefined
714 // references to this symbol.
715 m_symbol_was_missing_weak = true;
716
717 for (auto candidate_sc : sc_list.SymbolContexts()) {
718 // Only symbols can be weak undefined.
719 if (!candidate_sc.symbol ||
720 candidate_sc.symbol->GetType() != lldb::eSymbolTypeUndefined ||
721 !candidate_sc.symbol->IsWeak())
722 m_symbol_was_missing_weak = false;
723
724 // First try the symbol.
725 if (candidate_sc.symbol) {
726 load_address = candidate_sc.symbol->ResolveCallableAddress(*m_target);
727 if (load_address == LLDB_INVALID_ADDRESS) {
728 Address addr = candidate_sc.symbol->GetAddress();
729 load_address = m_target->GetProcessSP()
730 ? addr.GetLoadAddress(m_target)
731 : addr.GetFileAddress();
732 }
733 }
734
735 // If that didn't work, try the function.
736 if (load_address == LLDB_INVALID_ADDRESS && candidate_sc.function) {
737 Address addr =
738 candidate_sc.function->GetAddressRange().GetBaseAddress();
739 load_address = m_target->GetProcessSP() ? addr.GetLoadAddress(m_target)
740 : addr.GetFileAddress();
741 }
742
743 // We found a load address.
744 if (load_address != LLDB_INVALID_ADDRESS) {
745 // If the load address is external, we're done.
746 const bool is_external =
747 (candidate_sc.function) ||
748 (candidate_sc.symbol && candidate_sc.symbol->IsExternal());
749 if (is_external)
750 return load_address;
751
752 // Otherwise, remember the best internal load address.
753 if (m_best_internal_load_address == LLDB_INVALID_ADDRESS)
754 m_best_internal_load_address = load_address;
755 }
756 }
757
758 // You test the address of a weak symbol against NULL to see if it is
759 // present. So we should return 0 for a missing weak symbol.
760 if (m_symbol_was_missing_weak)
761 return 0;
762
763 return std::nullopt;
764 }
765
767 return m_best_internal_load_address;
768 }
769
770private:
773 lldb::addr_t m_best_internal_load_address = LLDB_INVALID_ADDRESS;
774};
775
777IRExecutionUnit::FindInSymbols(const std::vector<ConstString> &names,
779 bool &symbol_was_missing_weak) {
780 symbol_was_missing_weak = false;
781
782 Target *target = sc.target_sp.get();
783 if (!target) {
784 // We shouldn't be doing any symbol lookup at all without a target.
786 }
787
788 LoadAddressResolver resolver(target, symbol_was_missing_weak);
789
790 ModuleFunctionSearchOptions function_options;
791 function_options.include_symbols = true;
792 function_options.include_inlines = false;
793
794 for (const ConstString &name : names) {
795 if (sc.module_sp) {
796 SymbolContextList sc_list;
797 sc.module_sp->FindFunctions(name, CompilerDeclContext(),
798 lldb::eFunctionNameTypeFull, function_options,
799 sc_list);
800 if (auto load_addr = resolver.Resolve(sc_list))
801 return *load_addr;
802 }
803
804 if (sc.target_sp) {
805 SymbolContextList sc_list;
806 sc.target_sp->GetImages().FindFunctions(name, lldb::eFunctionNameTypeFull,
807 function_options, sc_list);
808 if (auto load_addr = resolver.Resolve(sc_list))
809 return *load_addr;
810 }
811
812 if (sc.target_sp) {
813 SymbolContextList sc_list;
814 sc.target_sp->GetImages().FindSymbolsWithNameAndType(
815 name, lldb::eSymbolTypeAny, sc_list);
816 if (auto load_addr = resolver.Resolve(sc_list))
817 return *load_addr;
818 }
819
820 lldb::addr_t best_internal_load_address =
822 if (best_internal_load_address != LLDB_INVALID_ADDRESS)
823 return best_internal_load_address;
824 }
825
827}
828
830IRExecutionUnit::FindInRuntimes(const std::vector<ConstString> &names,
831 const lldb_private::SymbolContext &sc) {
832 lldb::TargetSP target_sp = sc.target_sp;
833
834 if (!target_sp) {
836 }
837
838 lldb::ProcessSP process_sp = sc.target_sp->GetProcessSP();
839
840 if (!process_sp) {
842 }
843
844 for (const ConstString &name : names) {
845 for (LanguageRuntime *runtime : process_sp->GetLanguageRuntimes()) {
846 lldb::addr_t symbol_load_addr = runtime->LookupRuntimeSymbol(name);
847
848 if (symbol_load_addr != LLDB_INVALID_ADDRESS)
849 return symbol_load_addr;
850 }
851 }
852
854}
855
857 const std::vector<ConstString> &names,
858 const lldb_private::SymbolContext &sc) {
859 lldb::TargetSP target_sp = sc.target_sp;
860
861 for (const ConstString &name : names) {
862 lldb::addr_t symbol_load_addr = target_sp->GetPersistentSymbol(name);
863
864 if (symbol_load_addr != LLDB_INVALID_ADDRESS)
865 return symbol_load_addr;
866 }
867
869}
870
872 bool &missing_weak) {
873 std::vector<ConstString> candidate_C_names;
874 std::vector<ConstString> candidate_CPlusPlus_names;
875
876 CollectCandidateCNames(candidate_C_names, name);
877
878 lldb::addr_t ret = FindInSymbols(candidate_C_names, m_sym_ctx, missing_weak);
879 if (ret != LLDB_INVALID_ADDRESS)
880 return ret;
881
882 // If we find the symbol in runtimes or user defined symbols it can't be
883 // a missing weak symbol.
884 missing_weak = false;
885 ret = FindInRuntimes(candidate_C_names, m_sym_ctx);
886 if (ret != LLDB_INVALID_ADDRESS)
887 return ret;
888
889 ret = FindInUserDefinedSymbols(candidate_C_names, m_sym_ctx);
890 if (ret != LLDB_INVALID_ADDRESS)
891 return ret;
892
893 CollectCandidateCPlusPlusNames(candidate_CPlusPlus_names, candidate_C_names,
894 m_sym_ctx);
895 ret = FindInSymbols(candidate_CPlusPlus_names, m_sym_ctx, missing_weak);
896 return ret;
897}
898
900 std::vector<lldb::addr_t> &static_initializers) {
902
903 llvm::GlobalVariable *global_ctors =
904 m_module->getNamedGlobal("llvm.global_ctors");
905 if (!global_ctors) {
906 LLDB_LOG(log, "Couldn't find llvm.global_ctors.");
907 return;
908 }
909 auto *ctor_array =
910 llvm::dyn_cast<llvm::ConstantArray>(global_ctors->getInitializer());
911 if (!ctor_array) {
912 LLDB_LOG(log, "llvm.global_ctors not a ConstantArray.");
913 return;
914 }
915
916 for (llvm::Use &ctor_use : ctor_array->operands()) {
917 auto *ctor_struct = llvm::dyn_cast<llvm::ConstantStruct>(ctor_use);
918 if (!ctor_struct)
919 continue;
920 // this is standardized
921 lldbassert(ctor_struct->getNumOperands() == 3);
922 auto *ctor_function =
923 llvm::dyn_cast<llvm::Function>(ctor_struct->getOperand(1));
924 if (!ctor_function) {
925 LLDB_LOG(log, "global_ctor doesn't contain an llvm::Function");
926 continue;
927 }
928
929 ConstString ctor_function_name(ctor_function->getName().str());
930 LLDB_LOG(log, "Looking for callable jitted function with name {0}.",
931 ctor_function_name);
932
933 for (JittedFunction &jitted_function : m_jitted_functions) {
934 if (ctor_function_name != jitted_function.m_name)
935 continue;
936 if (jitted_function.m_remote_addr == LLDB_INVALID_ADDRESS) {
937 LLDB_LOG(log, "Found jitted function with invalid address.");
938 continue;
939 }
940 static_initializers.push_back(jitted_function.m_remote_addr);
941 LLDB_LOG(log, "Calling function at address {0:x}.",
942 jitted_function.m_remote_addr);
943 break;
944 }
945 }
946}
947
948llvm::JITSymbol
950 bool missing_weak = false;
951 uint64_t addr = GetSymbolAddressAndPresence(Name, missing_weak);
952 // This is a weak symbol:
953 if (missing_weak)
954 return llvm::JITSymbol(addr,
955 llvm::JITSymbolFlags::Exported | llvm::JITSymbolFlags::Weak);
956 else
957 return llvm::JITSymbol(addr, llvm::JITSymbolFlags::Exported);
958}
959
960uint64_t
962 bool missing_weak = false;
963 return GetSymbolAddressAndPresence(Name, missing_weak);
964}
965
966uint64_t
968 const std::string &Name, bool &missing_weak) {
970
971 ConstString name_cs(Name.c_str());
972
973 lldb::addr_t ret = m_parent.FindSymbol(name_cs, missing_weak);
974
975 if (ret == LLDB_INVALID_ADDRESS) {
976 LLDB_LOGF(log,
977 "IRExecutionUnit::getSymbolAddress(Name=\"%s\") = <not found>",
978 Name.c_str());
979
980 m_parent.ReportSymbolLookupError(name_cs);
981 return 0;
982 } else {
983 LLDB_LOGF(log, "IRExecutionUnit::getSymbolAddress(Name=\"%s\") = %" PRIx64,
984 Name.c_str(), ret);
985 return ret;
986 }
987}
988
990 const std::string &Name, bool AbortOnFailure) {
991 return (void *)getSymbolAddress(Name);
992}
993
997
998 for (AllocationRecord &record : m_records) {
999 if (local_address >= record.m_host_address &&
1000 local_address < record.m_host_address + record.m_size) {
1001 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1002 return LLDB_INVALID_ADDRESS;
1003
1004 lldb::addr_t ret =
1005 record.m_process_address + (local_address - record.m_host_address);
1006
1007 LLDB_LOGF(log,
1008 "IRExecutionUnit::GetRemoteAddressForLocal() found 0x%" PRIx64
1009 " in [0x%" PRIx64 "..0x%" PRIx64 "], and returned 0x%" PRIx64
1010 " from [0x%" PRIx64 "..0x%" PRIx64 "].",
1011 local_address, (uint64_t)record.m_host_address,
1012 (uint64_t)record.m_host_address + (uint64_t)record.m_size, ret,
1013 record.m_process_address,
1014 record.m_process_address + record.m_size);
1015
1016 return ret;
1017 }
1018 }
1019
1020 return LLDB_INVALID_ADDRESS;
1021}
1022
1025 for (AllocationRecord &record : m_records) {
1026 if (local_address >= record.m_host_address &&
1027 local_address < record.m_host_address + record.m_size) {
1028 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1029 return AddrRange(0, 0);
1030
1031 return AddrRange(record.m_process_address, record.m_size);
1032 }
1033 }
1034
1035 return AddrRange(0, 0);
1036}
1037
1039 Status &error,
1040 AllocationRecord &record) {
1042 return true;
1043 }
1044
1045 switch (record.m_sect_type) {
1067 error.Clear();
1068 break;
1069 default:
1070 const bool zero_memory = false;
1071 record.m_process_address =
1072 Malloc(record.m_size, record.m_alignment, record.m_permissions,
1073 eAllocationPolicyProcessOnly, zero_memory, error);
1074 break;
1075 }
1076
1077 return error.Success();
1078}
1079
1081 bool ret = true;
1082
1084
1085 for (AllocationRecord &record : m_records) {
1086 ret = CommitOneAllocation(process_sp, err, record);
1087
1088 if (!ret) {
1089 break;
1090 }
1091 }
1092
1093 if (!ret) {
1094 for (AllocationRecord &record : m_records) {
1095 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
1096 Free(record.m_process_address, err);
1097 record.m_process_address = LLDB_INVALID_ADDRESS;
1098 }
1099 }
1100 }
1101
1102 return ret;
1103}
1104
1105void IRExecutionUnit::ReportAllocations(llvm::ExecutionEngine &engine) {
1107
1108 for (AllocationRecord &record : m_records) {
1109 if (record.m_process_address == LLDB_INVALID_ADDRESS)
1110 continue;
1111
1112 if (record.m_section_id == eSectionIDInvalid)
1113 continue;
1114
1115 engine.mapSectionAddress((void *)record.m_host_address,
1116 record.m_process_address);
1117 }
1118
1119 // Trigger re-application of relocations.
1120 engine.finalizeObject();
1121}
1122
1124 bool wrote_something = false;
1125 for (AllocationRecord &record : m_records) {
1126 if (record.m_process_address != LLDB_INVALID_ADDRESS) {
1128 WriteMemory(record.m_process_address, (uint8_t *)record.m_host_address,
1129 record.m_size, err);
1130 if (err.Success())
1131 wrote_something = true;
1132 }
1133 }
1134 return wrote_something;
1135}
1136
1138 if (!log)
1139 return;
1140
1141 LLDB_LOGF(log,
1142 "[0x%llx+0x%llx]->0x%llx (alignment %d, section ID %d, name %s)",
1143 (unsigned long long)m_host_address, (unsigned long long)m_size,
1144 (unsigned long long)m_process_address, (unsigned)m_alignment,
1145 (unsigned)m_section_id, m_name.c_str());
1146}
1147
1150 return exe_ctx.GetByteOrder();
1151}
1152
1155 return exe_ctx.GetAddressByteSize();
1156}
1157
1159 lldb_private::Symtab &symtab) {
1160 // No symbols yet...
1161}
1162
1164 lldb_private::ObjectFile *obj_file,
1165 lldb_private::SectionList &section_list) {
1166 for (AllocationRecord &record : m_records) {
1167 if (record.m_size > 0) {
1169 obj_file->GetModule(), obj_file, record.m_section_id,
1170 ConstString(record.m_name), record.m_sect_type,
1171 record.m_process_address, record.m_size,
1172 record.m_host_address, // file_offset (which is the host address for
1173 // the data)
1174 record.m_size, // file_size
1175 0,
1176 record.m_permissions)); // flags
1177 section_list.AddSection(section_sp);
1178 }
1179 }
1180}
1181
1184 if(Target *target = exe_ctx.GetTargetPtr())
1185 return target->GetArchitecture();
1186 return ArchSpec();
1187}
1188
1191 Target *target = exe_ctx.GetTargetPtr();
1192 if (!target)
1193 return nullptr;
1194
1195 auto Delegate = std::static_pointer_cast<lldb_private::ObjectFileJITDelegate>(
1196 shared_from_this());
1197
1198 lldb::ModuleSP jit_module_sp =
1199 lldb_private::Module::CreateModuleFromObjectFile<ObjectFileJIT>(Delegate);
1200 if (!jit_module_sp)
1201 return nullptr;
1202
1203 bool changed = false;
1204 jit_module_sp->SetLoadAddress(*target, 0, true, changed);
1205 return jit_module_sp;
1206}
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:359
#define LLDB_LOGF(log,...)
Definition: Log.h:366
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:304
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:84
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:341
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:1969
lldb::ByteOrder GetByteOrder() const
Definition: Process.cpp:3580
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:166
void SetErrorToGenericError()
Set the current error to a generic error.
Definition: Status.cpp:222
int SetErrorStringWithFormat(const char *format,...) __attribute__((format(printf
Set the current error string to a formatted error string.
Definition: Status.cpp:246
const char * AsCString(const char *default_error_str="unknown error") const
Get the error string associated with the current error.
Definition: Status.cpp:129
void SetErrorString(llvm::StringRef err_str)
Set the current error string to err_str.
Definition: Status.cpp:232
bool Success() const
Test for success condition.
Definition: Status.cpp:278
const char * GetData() const
Definition: StreamString.h:45
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:1023
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.
Log * GetLog(Cat mask)
Retrieve the Log object for the channel associated with the given log enum.
Definition: Log.h:331
@ eLanguageTypeC_plus_plus
ISO C++:1998.
std::shared_ptr< lldb_private::Process > ProcessSP
Definition: lldb-forward.h:385
@ eSymbolTypeUndefined
std::shared_ptr< lldb_private::Disassembler > DisassemblerSP
Definition: lldb-forward.h:337
ByteOrder
Byte ordering definitions.
std::shared_ptr< lldb_private::Section > SectionSP
Definition: lldb-forward.h:412
std::shared_ptr< lldb_private::WritableDataBuffer > WritableDataBufferSP
Definition: lldb-forward.h:333
uint64_t addr_t
Definition: lldb-types.h:80
std::shared_ptr< lldb_private::Target > TargetSP
Definition: lldb-forward.h:442
@ 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:369
Definition: Debugger.h:54
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