diff options
Diffstat (limited to 'source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp')
| -rw-r--r-- | source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp | 429 |
1 files changed, 167 insertions, 262 deletions
diff --git a/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp b/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp index e3d838333711..b5b5e38e1f6f 100644 --- a/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp +++ b/source/Plugins/ObjectFile/JIT/ObjectFileJIT.cpp @@ -26,8 +26,8 @@ #include "lldb/Core/StreamString.h" #include "lldb/Core/Timer.h" #include "lldb/Core/UUID.h" -#include "lldb/Host/Host.h" #include "lldb/Host/FileSpec.h" +#include "lldb/Host/Host.h" #include "lldb/Symbol/ObjectFile.h" #include "lldb/Target/Platform.h" #include "lldb/Target/Process.h" @@ -41,322 +41,227 @@ using namespace lldb; using namespace lldb_private; - -void -ObjectFileJIT::Initialize() -{ - PluginManager::RegisterPlugin (GetPluginNameStatic(), - GetPluginDescriptionStatic(), - CreateInstance, - CreateMemoryInstance, - GetModuleSpecifications); +void ObjectFileJIT::Initialize() { + PluginManager::RegisterPlugin(GetPluginNameStatic(), + GetPluginDescriptionStatic(), CreateInstance, + CreateMemoryInstance, GetModuleSpecifications); } -void -ObjectFileJIT::Terminate() -{ - PluginManager::UnregisterPlugin (CreateInstance); -} - - -lldb_private::ConstString -ObjectFileJIT::GetPluginNameStatic() -{ - static ConstString g_name("jit"); - return g_name; +void ObjectFileJIT::Terminate() { + PluginManager::UnregisterPlugin(CreateInstance); } -const char * -ObjectFileJIT::GetPluginDescriptionStatic() -{ - return "JIT code object file"; +lldb_private::ConstString ObjectFileJIT::GetPluginNameStatic() { + static ConstString g_name("jit"); + return g_name; } -ObjectFile * -ObjectFileJIT::CreateInstance (const lldb::ModuleSP &module_sp, - DataBufferSP& data_sp, - lldb::offset_t data_offset, - const FileSpec* file, - lldb::offset_t file_offset, - lldb::offset_t length) -{ - // JIT'ed object file is backed by the ObjectFileJITDelegate, never - // read from a file - return NULL; +const char *ObjectFileJIT::GetPluginDescriptionStatic() { + return "JIT code object file"; } -ObjectFile * -ObjectFileJIT::CreateMemoryInstance (const lldb::ModuleSP &module_sp, - DataBufferSP& data_sp, - const ProcessSP &process_sp, - lldb::addr_t header_addr) -{ - // JIT'ed object file is backed by the ObjectFileJITDelegate, never - // read from memory - return NULL; +ObjectFile *ObjectFileJIT::CreateInstance(const lldb::ModuleSP &module_sp, + DataBufferSP &data_sp, + lldb::offset_t data_offset, + const FileSpec *file, + lldb::offset_t file_offset, + lldb::offset_t length) { + // JIT'ed object file is backed by the ObjectFileJITDelegate, never + // read from a file + return NULL; } -size_t -ObjectFileJIT::GetModuleSpecifications (const lldb_private::FileSpec& file, - lldb::DataBufferSP& data_sp, - lldb::offset_t data_offset, - lldb::offset_t file_offset, - lldb::offset_t length, - lldb_private::ModuleSpecList &specs) -{ - // JIT'ed object file can't be read from a file on disk - return 0; +ObjectFile *ObjectFileJIT::CreateMemoryInstance(const lldb::ModuleSP &module_sp, + DataBufferSP &data_sp, + const ProcessSP &process_sp, + lldb::addr_t header_addr) { + // JIT'ed object file is backed by the ObjectFileJITDelegate, never + // read from memory + return NULL; } -ObjectFileJIT::ObjectFileJIT (const lldb::ModuleSP &module_sp, - const ObjectFileJITDelegateSP &delegate_sp) : - ObjectFile(module_sp, NULL, 0, 0, DataBufferSP(), 0), - m_delegate_wp () -{ - if (delegate_sp) - { - m_delegate_wp = delegate_sp; - m_data.SetByteOrder(delegate_sp->GetByteOrder()); - m_data.SetAddressByteSize(delegate_sp->GetAddressByteSize()); - } +size_t ObjectFileJIT::GetModuleSpecifications( + const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp, + lldb::offset_t data_offset, lldb::offset_t file_offset, + lldb::offset_t length, lldb_private::ModuleSpecList &specs) { + // JIT'ed object file can't be read from a file on disk + return 0; } -ObjectFileJIT::~ObjectFileJIT() -{ +ObjectFileJIT::ObjectFileJIT(const lldb::ModuleSP &module_sp, + const ObjectFileJITDelegateSP &delegate_sp) + : ObjectFile(module_sp, NULL, 0, 0, DataBufferSP(), 0), m_delegate_wp() { + if (delegate_sp) { + m_delegate_wp = delegate_sp; + m_data.SetByteOrder(delegate_sp->GetByteOrder()); + m_data.SetAddressByteSize(delegate_sp->GetAddressByteSize()); + } } +ObjectFileJIT::~ObjectFileJIT() {} -bool -ObjectFileJIT::ParseHeader () -{ - // JIT code is never in a file, nor is it required to have any header - return false; +bool ObjectFileJIT::ParseHeader() { + // JIT code is never in a file, nor is it required to have any header + return false; } -ByteOrder -ObjectFileJIT::GetByteOrder () const -{ - return m_data.GetByteOrder(); -} +ByteOrder ObjectFileJIT::GetByteOrder() const { return m_data.GetByteOrder(); } -bool -ObjectFileJIT::IsExecutable() const -{ - return false; -} +bool ObjectFileJIT::IsExecutable() const { return false; } -uint32_t -ObjectFileJIT::GetAddressByteSize () const -{ - return m_data.GetAddressByteSize(); +uint32_t ObjectFileJIT::GetAddressByteSize() const { + return m_data.GetAddressByteSize(); } - -Symtab * -ObjectFileJIT::GetSymtab() -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); - if (m_symtab_ap.get() == NULL) - { - m_symtab_ap.reset(new Symtab(this)); - std::lock_guard<std::recursive_mutex> symtab_guard(m_symtab_ap->GetMutex()); - ObjectFileJITDelegateSP delegate_sp (m_delegate_wp.lock()); - if (delegate_sp) - delegate_sp->PopulateSymtab(this, *m_symtab_ap); - // TODO: get symbols from delegate - m_symtab_ap->Finalize (); - } +Symtab *ObjectFileJIT::GetSymtab() { + ModuleSP module_sp(GetModule()); + if (module_sp) { + std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); + if (m_symtab_ap.get() == NULL) { + m_symtab_ap.reset(new Symtab(this)); + std::lock_guard<std::recursive_mutex> symtab_guard( + m_symtab_ap->GetMutex()); + ObjectFileJITDelegateSP delegate_sp(m_delegate_wp.lock()); + if (delegate_sp) + delegate_sp->PopulateSymtab(this, *m_symtab_ap); + // TODO: get symbols from delegate + m_symtab_ap->Finalize(); } - return m_symtab_ap.get(); + } + return m_symtab_ap.get(); } -bool -ObjectFileJIT::IsStripped () -{ - return false; // JIT code that is in a module is never stripped +bool ObjectFileJIT::IsStripped() { + return false; // JIT code that is in a module is never stripped } -void -ObjectFileJIT::CreateSections (SectionList &unified_section_list) -{ - if (!m_sections_ap.get()) - { - m_sections_ap.reset(new SectionList()); - ObjectFileJITDelegateSP delegate_sp (m_delegate_wp.lock()); - if (delegate_sp) - { - delegate_sp->PopulateSectionList(this, *m_sections_ap); - unified_section_list = *m_sections_ap; - } +void ObjectFileJIT::CreateSections(SectionList &unified_section_list) { + if (!m_sections_ap.get()) { + m_sections_ap.reset(new SectionList()); + ObjectFileJITDelegateSP delegate_sp(m_delegate_wp.lock()); + if (delegate_sp) { + delegate_sp->PopulateSectionList(this, *m_sections_ap); + unified_section_list = *m_sections_ap; } + } } -void -ObjectFileJIT::Dump (Stream *s) -{ - ModuleSP module_sp(GetModule()); - if (module_sp) - { - std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); - s->Printf("%p: ", static_cast<void*>(this)); - s->Indent(); - s->PutCString("ObjectFileJIT"); - - ArchSpec arch; - if (GetArchitecture(arch)) - *s << ", arch = " << arch.GetArchitectureName(); - - s->EOL(); - - SectionList *sections = GetSectionList(); - if (sections) - sections->Dump(s, NULL, true, UINT32_MAX); - - if (m_symtab_ap.get()) - m_symtab_ap->Dump(s, NULL, eSortOrderNone); - } -} +void ObjectFileJIT::Dump(Stream *s) { + ModuleSP module_sp(GetModule()); + if (module_sp) { + std::lock_guard<std::recursive_mutex> guard(module_sp->GetMutex()); + s->Printf("%p: ", static_cast<void *>(this)); + s->Indent(); + s->PutCString("ObjectFileJIT"); -bool -ObjectFileJIT::GetUUID (lldb_private::UUID* uuid) -{ - // TODO: maybe get from delegate, not needed for first pass - return false; -} + ArchSpec arch; + if (GetArchitecture(arch)) + *s << ", arch = " << arch.GetArchitectureName(); + s->EOL(); -uint32_t -ObjectFileJIT::GetDependentModules (FileSpecList& files) -{ - // JIT modules don't have dependencies, but they could - // if external functions are called and we know where they are - files.Clear(); - return 0; -} + SectionList *sections = GetSectionList(); + if (sections) + sections->Dump(s, NULL, true, UINT32_MAX); -lldb_private::Address -ObjectFileJIT::GetEntryPointAddress () -{ - return Address(); + if (m_symtab_ap.get()) + m_symtab_ap->Dump(s, NULL, eSortOrderNone); + } } -lldb_private::Address -ObjectFileJIT::GetHeaderAddress () -{ - return Address(); +bool ObjectFileJIT::GetUUID(lldb_private::UUID *uuid) { + // TODO: maybe get from delegate, not needed for first pass + return false; } - - -ObjectFile::Type -ObjectFileJIT::CalculateType() -{ - return eTypeJIT; +uint32_t ObjectFileJIT::GetDependentModules(FileSpecList &files) { + // JIT modules don't have dependencies, but they could + // if external functions are called and we know where they are + files.Clear(); + return 0; } -ObjectFile::Strata -ObjectFileJIT::CalculateStrata() -{ - return eStrataJIT; +lldb_private::Address ObjectFileJIT::GetEntryPointAddress() { + return Address(); } +lldb_private::Address ObjectFileJIT::GetHeaderAddress() { return Address(); } + +ObjectFile::Type ObjectFileJIT::CalculateType() { return eTypeJIT; } + +ObjectFile::Strata ObjectFileJIT::CalculateStrata() { return eStrataJIT; } -bool -ObjectFileJIT::GetArchitecture (ArchSpec &arch) -{ - ObjectFileJITDelegateSP delegate_sp (m_delegate_wp.lock()); - if (delegate_sp) - return delegate_sp->GetArchitecture(arch); - return false; +bool ObjectFileJIT::GetArchitecture(ArchSpec &arch) { + ObjectFileJITDelegateSP delegate_sp(m_delegate_wp.lock()); + if (delegate_sp) + return delegate_sp->GetArchitecture(arch); + return false; } //------------------------------------------------------------------ // PluginInterface protocol //------------------------------------------------------------------ -lldb_private::ConstString -ObjectFileJIT::GetPluginName() -{ - return GetPluginNameStatic(); +lldb_private::ConstString ObjectFileJIT::GetPluginName() { + return GetPluginNameStatic(); } -uint32_t -ObjectFileJIT::GetPluginVersion() -{ - return 1; -} - - -bool -ObjectFileJIT::SetLoadAddress (Target &target, - lldb::addr_t value, - bool value_is_offset) -{ - size_t num_loaded_sections = 0; - SectionList *section_list = GetSectionList (); - if (section_list) - { - const size_t num_sections = section_list->GetSize(); - // "value" is an offset to apply to each top level segment - for (size_t sect_idx = 0; sect_idx < num_sections; ++sect_idx) - { - // Iterate through the object file sections to find all - // of the sections that size on disk (to avoid __PAGEZERO) - // and load them - SectionSP section_sp (section_list->GetSectionAtIndex (sect_idx)); - if (section_sp && - section_sp->GetFileSize() > 0 && - section_sp->IsThreadSpecific() == false) - { - if (target.GetSectionLoadList().SetSectionLoadAddress (section_sp, section_sp->GetFileAddress() + value)) - ++num_loaded_sections; - } - } +uint32_t ObjectFileJIT::GetPluginVersion() { return 1; } + +bool ObjectFileJIT::SetLoadAddress(Target &target, lldb::addr_t value, + bool value_is_offset) { + size_t num_loaded_sections = 0; + SectionList *section_list = GetSectionList(); + if (section_list) { + const size_t num_sections = section_list->GetSize(); + // "value" is an offset to apply to each top level segment + for (size_t sect_idx = 0; sect_idx < num_sections; ++sect_idx) { + // Iterate through the object file sections to find all + // of the sections that size on disk (to avoid __PAGEZERO) + // and load them + SectionSP section_sp(section_list->GetSectionAtIndex(sect_idx)); + if (section_sp && section_sp->GetFileSize() > 0 && + section_sp->IsThreadSpecific() == false) { + if (target.GetSectionLoadList().SetSectionLoadAddress( + section_sp, section_sp->GetFileAddress() + value)) + ++num_loaded_sections; + } } - return num_loaded_sections > 0; + } + return num_loaded_sections > 0; } - -size_t -ObjectFileJIT::ReadSectionData (const lldb_private::Section *section, - lldb::offset_t section_offset, - void *dst, - size_t dst_len) const -{ - lldb::offset_t file_size = section->GetFileSize(); - if (section_offset < file_size) - { - size_t src_len = file_size - section_offset; - if (src_len > dst_len) - src_len = dst_len; - const uint8_t *src = ((uint8_t *)(uintptr_t)section->GetFileOffset()) + section_offset; - - memcpy (dst, src, src_len); - return src_len; - } - return 0; +size_t ObjectFileJIT::ReadSectionData(const lldb_private::Section *section, + lldb::offset_t section_offset, void *dst, + size_t dst_len) const { + lldb::offset_t file_size = section->GetFileSize(); + if (section_offset < file_size) { + size_t src_len = file_size - section_offset; + if (src_len > dst_len) + src_len = dst_len; + const uint8_t *src = + ((uint8_t *)(uintptr_t)section->GetFileOffset()) + section_offset; + + memcpy(dst, src, src_len); + return src_len; + } + return 0; } -size_t -ObjectFileJIT::ReadSectionData (const lldb_private::Section *section, - lldb_private::DataExtractor& section_data) const -{ - if (section->GetFileSize()) - { - const void *src = (void *)(uintptr_t)section->GetFileOffset(); - - DataBufferSP data_sp (new lldb_private::DataBufferHeap(src, section->GetFileSize())); - if (data_sp) - { - section_data.SetData (data_sp, 0, data_sp->GetByteSize()); - section_data.SetByteOrder (GetByteOrder()); - section_data.SetAddressByteSize (GetAddressByteSize()); - return section_data.GetByteSize(); - } +size_t ObjectFileJIT::ReadSectionData( + const lldb_private::Section *section, + lldb_private::DataExtractor §ion_data) const { + if (section->GetFileSize()) { + const void *src = (void *)(uintptr_t)section->GetFileOffset(); + + DataBufferSP data_sp( + new lldb_private::DataBufferHeap(src, section->GetFileSize())); + if (data_sp) { + section_data.SetData(data_sp, 0, data_sp->GetByteSize()); + section_data.SetByteOrder(GetByteOrder()); + section_data.SetAddressByteSize(GetAddressByteSize()); + return section_data.GetByteSize(); } - section_data.Clear(); - return 0; + } + section_data.Clear(); + return 0; } - |