diff options
| author | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
|---|---|---|
| committer | Dimitry Andric <dim@FreeBSD.org> | 2019-12-20 19:53:05 +0000 |
| commit | 0b57cec536236d46e3dba9bd041533462f33dbb7 (patch) | |
| tree | 56229dbdbbf76d18580f72f789003db17246c8d9 /contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp | |
| parent | 718ef55ec7785aae63f98f8ca05dc07ed399c16d (diff) | |
Notes
Diffstat (limited to 'contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp')
| -rw-r--r-- | contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp b/contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp deleted file mode 100644 index 6bc951c4d35b..000000000000 --- a/contrib/llvm/tools/lldb/source/Plugins/DynamicLoader/Static/DynamicLoaderStatic.cpp +++ /dev/null @@ -1,154 +0,0 @@ -//===-- DynamicLoaderStatic.cpp ---------------------------------*- C++ -*-===// -// -// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. -// See https://llvm.org/LICENSE.txt for license information. -// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception -// -//===----------------------------------------------------------------------===// - -#include "lldb/Core/Module.h" -#include "lldb/Core/PluginManager.h" -#include "lldb/Core/Section.h" -#include "lldb/Symbol/ObjectFile.h" -#include "lldb/Target/Target.h" - -#include "DynamicLoaderStatic.h" - -using namespace lldb; -using namespace lldb_private; - -// Create an instance of this class. This function is filled into the plugin -// info class that gets handed out by the plugin factory and allows the lldb to -// instantiate an instance of this class. -DynamicLoader *DynamicLoaderStatic::CreateInstance(Process *process, - bool force) { - bool create = force; - if (!create) { - const llvm::Triple &triple_ref = - process->GetTarget().GetArchitecture().GetTriple(); - const llvm::Triple::OSType os_type = triple_ref.getOS(); - if ((os_type == llvm::Triple::UnknownOS)) - create = true; - } - - if (!create) { - Module *exe_module = process->GetTarget().GetExecutableModulePointer(); - if (exe_module) { - ObjectFile *object_file = exe_module->GetObjectFile(); - if (object_file) { - create = (object_file->GetStrata() == ObjectFile::eStrataRawImage); - } - } - } - - if (create) - return new DynamicLoaderStatic(process); - return nullptr; -} - -// Constructor -DynamicLoaderStatic::DynamicLoaderStatic(Process *process) - : DynamicLoader(process) {} - -// Destructor -DynamicLoaderStatic::~DynamicLoaderStatic() {} - -/// Called after attaching a process. -/// -/// Allow DynamicLoader plug-ins to execute some code after -/// attaching to a process. -void DynamicLoaderStatic::DidAttach() { LoadAllImagesAtFileAddresses(); } - -/// Called after attaching a process. -/// -/// Allow DynamicLoader plug-ins to execute some code after -/// attaching to a process. -void DynamicLoaderStatic::DidLaunch() { LoadAllImagesAtFileAddresses(); } - -void DynamicLoaderStatic::LoadAllImagesAtFileAddresses() { - const ModuleList &module_list = m_process->GetTarget().GetImages(); - - ModuleList loaded_module_list; - - // Disable JIT for static dynamic loader targets - m_process->SetCanJIT(false); - - std::lock_guard<std::recursive_mutex> guard(module_list.GetMutex()); - - const size_t num_modules = module_list.GetSize(); - for (uint32_t idx = 0; idx < num_modules; ++idx) { - ModuleSP module_sp(module_list.GetModuleAtIndexUnlocked(idx)); - if (module_sp) { - bool changed = false; - ObjectFile *image_object_file = module_sp->GetObjectFile(); - if (image_object_file) { - SectionList *section_list = image_object_file->GetSectionList(); - if (section_list) { - // All sections listed in the dyld image info structure will all - // either be fixed up already, or they will all be off by a single - // slide amount that is determined by finding the first segment that - // is at file offset zero which also has bytes (a file size that is - // greater than zero) in the object file. - - // Determine the slide amount (if any) - const size_t num_sections = section_list->GetSize(); - size_t sect_idx = 0; - for (sect_idx = 0; sect_idx < num_sections; ++sect_idx) { - // Iterate through the object file sections to find the first - // section that starts of file offset zero and that has bytes in - // the file... - SectionSP section_sp(section_list->GetSectionAtIndex(sect_idx)); - if (section_sp) { - if (m_process->GetTarget().SetSectionLoadAddress( - section_sp, section_sp->GetFileAddress())) - changed = true; - } - } - } - } - - if (changed) - loaded_module_list.AppendIfNeeded(module_sp); - } - } - - m_process->GetTarget().ModulesDidLoad(loaded_module_list); -} - -ThreadPlanSP -DynamicLoaderStatic::GetStepThroughTrampolinePlan(Thread &thread, - bool stop_others) { - return ThreadPlanSP(); -} - -Status DynamicLoaderStatic::CanLoadImage() { - Status error; - error.SetErrorString("can't load images on with a static debug session"); - return error; -} - -void DynamicLoaderStatic::Initialize() { - PluginManager::RegisterPlugin(GetPluginNameStatic(), - GetPluginDescriptionStatic(), CreateInstance); -} - -void DynamicLoaderStatic::Terminate() { - PluginManager::UnregisterPlugin(CreateInstance); -} - -lldb_private::ConstString DynamicLoaderStatic::GetPluginNameStatic() { - static ConstString g_name("static"); - return g_name; -} - -const char *DynamicLoaderStatic::GetPluginDescriptionStatic() { - return "Dynamic loader plug-in that will load any images at the static " - "addresses contained in each image."; -} - -// PluginInterface protocol -lldb_private::ConstString DynamicLoaderStatic::GetPluginName() { - return GetPluginNameStatic(); -} - -uint32_t DynamicLoaderStatic::GetPluginVersion() { return 1; } |
