1 //===-- DYLDRendezvous.cpp ------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
75   // grab it via some remote-specific mechanism.  in ResolveRendezvousAddress()
76   info_location = m_process->GetImageInfoAddress();  in ResolveRendezvousAddress()
82     Target *target = &m_process->GetTarget();  in ResolveRendezvousAddress()
84       ObjectFile *obj_file = target->GetExecutableModule()->GetObjectFile();  in ResolveRendezvousAddress()
85       Address addr = obj_file->GetImageInfoAddress(target);  in ResolveRendezvousAddress()
94             target->GetExecutableModule()->FindFirstSymbolWithNameAndType(  in ResolveRendezvousAddress()
97           info_addr = _r_debug->GetAddress().GetLoadAddress(target);  in ResolveRendezvousAddress()
108                   "%s FAILED - direct object file approach did not yield a "  in ResolveRendezvousAddress()
116     LLDB_LOGF(log, "%s FAILED - invalid info address", __FUNCTION__);  in ResolveRendezvousAddress()
121             __FUNCTION__, m_process->GetAddressByteSize(), info_location);  in ResolveRendezvousAddress()
123   info_addr = m_process->ReadPointerFromMemory(info_location, error);  in ResolveRendezvousAddress()
125     LLDB_LOGF(log, "%s FAILED - could not read from the info location: %s",  in ResolveRendezvousAddress()
132               "%s FAILED - the rendezvous address contained at 0x%" PRIx64  in ResolveRendezvousAddress()
144     Module *exe_mod = m_process->GetTarget().GetExecutableModulePointer();  in UpdateExecutablePath()
146       m_exe_file_spec = exe_mod->GetPlatformFileSpec();  in UpdateExecutablePath()
175   address_size = m_process->GetAddressByteSize();  in Resolve()
176   padding = address_size - word_size;  in Resolve()
281     // - LLDB finds the "_r_debug" structure via the DT_DEBUG entry in the  in GetAction()
283     // - ld.so uodates its copy of "_r_debug" with "state = eAdd" before it  in GetAction()
288     // - LLDB hits the breakpoint and the breakpoint has a callback function  in GetAction()
291     // - ld.so finishes loading the main executable and any dependent shared  in GetAction()
295     // - lldb hits the notification breakpoint and checks the ld.so copy of  in GetAction()
305     // in the "log enable lldb dyld" log channel which states there might be  in GetAction()
350       m_process->GetLoadedModuleList();  in UpdateSOEntriesFromRemote()
548   auto triple = m_process->GetTarget().GetArchitecture().GetTriple();  in SOEntryIsMainExecutable()  local
549   switch (triple.getOS()) {  in SOEntryIsMainExecutable()
550   case llvm::Triple::FreeBSD:  in SOEntryIsMainExecutable()
551   case llvm::Triple::NetBSD:  in SOEntryIsMainExecutable()
552   case llvm::Triple::OpenBSD:  in SOEntryIsMainExecutable()
554   case llvm::Triple::Linux:  in SOEntryIsMainExecutable()
555     if (triple.isAndroid())  in SOEntryIsMainExecutable()
595   *dst = m_process->ReadUnsignedIntegerFromMemory(addr, size, 0, error);  in ReadWord()
605   *dst = m_process->ReadPointerFromMemory(addr, error);  in ReadPointer()
609   return addr + m_process->GetAddressByteSize();  in ReadPointer()
619   m_process->ReadCStringFromMemory(addr, str, error);  in ReadStringFromMemory()
630   unsigned os_major = target.GetPlatform()->GetOSVersion().getMajor();  in isLoadBiasIncorrect()
641   if (isLoadBiasIncorrect(m_process->GetTarget(), file_path)) {  in UpdateBaseAddrIfNecessary()
645         m_process->GetFileLoadAddress(entry.file_spec, is_loaded, load_addr);  in UpdateBaseAddrIfNecessary()
657         m_process->GetMemoryRegionInfo(entry.dyn_addr, region);  in UpdateFileSpecIfNecessary()
675   const ArchSpec &arch = m_process->GetTarget().GetArchitecture();  in ReadSOEntryFromMemory()
676   if ((arch.GetTriple().getOS() == llvm::Triple::FreeBSD ||  in ReadSOEntryFromMemory()
677        arch.GetTriple().getOS() == llvm::Triple::NetBSD) &&  in ReadSOEntryFromMemory()
708   Target &target = m_process->GetTarget();  in FindMetadata()
716   Address address = list[0].symbol->GetAddress();  in FindMetadata()
762   log->PutCString("DYLDRendezvous:");  in DumpToLog()
778     log->PutCString("DYLDRendezvous SOEntries:");  in DumpToLog()
781     LLDB_LOGF(log, "\n   SOEntry [%d] %s", i, I->file_spec.GetPath().c_str());  in DumpToLog()
782     LLDB_LOGF(log, "      Base : %" PRIx64, I->base_addr);  in DumpToLog()
783     LLDB_LOGF(log, "      Path : %" PRIx64, I->path_addr);  in DumpToLog()
784     LLDB_LOGF(log, "      Dyn  : %" PRIx64, I->dyn_addr);  in DumpToLog()
785     LLDB_LOGF(log, "      Next : %" PRIx64, I->next);  in DumpToLog()
786     LLDB_LOGF(log, "      Prev : %" PRIx64, I->prev);  in DumpToLog()
791   return !m_process->IsLiveDebugSession();  in IsCoreFile()