diff options
Diffstat (limited to 'lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp')
-rw-r--r-- | lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp | 68 |
1 files changed, 24 insertions, 44 deletions
diff --git a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp index f31b56b..a19322f 100644 --- a/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp +++ b/lldb/source/Plugins/ObjectFile/Mach-O/ObjectFileMachO.cpp @@ -918,11 +918,6 @@ ConstString ObjectFileMachO::GetSectionNameEHFrame() { return g_section_name_eh_frame; } -ConstString ObjectFileMachO::GetSectionNameLLDBNoNlist() { - static ConstString g_section_name_lldb_no_nlist("__lldb_no_nlist"); - return g_section_name_lldb_no_nlist; -} - bool ObjectFileMachO::MagicBytesMatch(DataBufferSP data_sp, lldb::addr_t data_offset, lldb::addr_t data_length) { @@ -2399,39 +2394,8 @@ void ObjectFileMachO::ParseSymtab(Symtab &symtab) { uint32_t memory_module_load_level = eMemoryModuleLoadLevelComplete; bool is_shared_cache_image = IsSharedCacheBinary(); bool is_local_shared_cache_image = is_shared_cache_image && !IsInMemory(); - - ConstString g_segment_name_TEXT = GetSegmentNameTEXT(); - ConstString g_segment_name_DATA = GetSegmentNameDATA(); - ConstString g_segment_name_DATA_DIRTY = GetSegmentNameDATA_DIRTY(); - ConstString g_segment_name_DATA_CONST = GetSegmentNameDATA_CONST(); - ConstString g_segment_name_OBJC = GetSegmentNameOBJC(); - ConstString g_section_name_eh_frame = GetSectionNameEHFrame(); - ConstString g_section_name_lldb_no_nlist = GetSectionNameLLDBNoNlist(); - SectionSP text_section_sp( - section_list->FindSectionByName(g_segment_name_TEXT)); - SectionSP data_section_sp( - section_list->FindSectionByName(g_segment_name_DATA)); SectionSP linkedit_section_sp( section_list->FindSectionByName(GetSegmentNameLINKEDIT())); - SectionSP data_dirty_section_sp( - section_list->FindSectionByName(g_segment_name_DATA_DIRTY)); - SectionSP data_const_section_sp( - section_list->FindSectionByName(g_segment_name_DATA_CONST)); - SectionSP objc_section_sp( - section_list->FindSectionByName(g_segment_name_OBJC)); - SectionSP eh_frame_section_sp; - SectionSP lldb_no_nlist_section_sp; - if (text_section_sp.get()) { - eh_frame_section_sp = text_section_sp->GetChildren().FindSectionByName( - g_section_name_eh_frame); - lldb_no_nlist_section_sp = text_section_sp->GetChildren().FindSectionByName( - g_section_name_lldb_no_nlist); - } else { - eh_frame_section_sp = - section_list->FindSectionByName(g_section_name_eh_frame); - lldb_no_nlist_section_sp = - section_list->FindSectionByName(g_section_name_lldb_no_nlist); - } if (process && m_header.filetype != llvm::MachO::MH_OBJECT && !is_local_shared_cache_image) { @@ -2439,14 +2403,6 @@ void ObjectFileMachO::ParseSymtab(Symtab &symtab) { memory_module_load_level = target.GetMemoryModuleLoadLevel(); - // If __TEXT,__lldb_no_nlist section is present in this binary, - // and we're reading it out of memory, do not read any of the - // nlist entries. They are not needed in lldb and it may be - // expensive to load these. This is to handle a dylib consisting - // of only metadata, no code, but it has many nlist entries. - if (lldb_no_nlist_section_sp) - memory_module_load_level = eMemoryModuleLoadLevelMinimal; - // Reading mach file from memory in a process or core file... if (linkedit_section_sp) { @@ -2570,6 +2526,30 @@ void ObjectFileMachO::ParseSymtab(Symtab &symtab) { const bool have_strtab_data = strtab_data.GetByteSize() > 0; + ConstString g_segment_name_TEXT = GetSegmentNameTEXT(); + ConstString g_segment_name_DATA = GetSegmentNameDATA(); + ConstString g_segment_name_DATA_DIRTY = GetSegmentNameDATA_DIRTY(); + ConstString g_segment_name_DATA_CONST = GetSegmentNameDATA_CONST(); + ConstString g_segment_name_OBJC = GetSegmentNameOBJC(); + ConstString g_section_name_eh_frame = GetSectionNameEHFrame(); + SectionSP text_section_sp( + section_list->FindSectionByName(g_segment_name_TEXT)); + SectionSP data_section_sp( + section_list->FindSectionByName(g_segment_name_DATA)); + SectionSP data_dirty_section_sp( + section_list->FindSectionByName(g_segment_name_DATA_DIRTY)); + SectionSP data_const_section_sp( + section_list->FindSectionByName(g_segment_name_DATA_CONST)); + SectionSP objc_section_sp( + section_list->FindSectionByName(g_segment_name_OBJC)); + SectionSP eh_frame_section_sp; + if (text_section_sp.get()) + eh_frame_section_sp = text_section_sp->GetChildren().FindSectionByName( + g_section_name_eh_frame); + else + eh_frame_section_sp = + section_list->FindSectionByName(g_section_name_eh_frame); + const bool is_arm = (m_header.cputype == llvm::MachO::CPU_TYPE_ARM); const bool always_thumb = GetArchitecture().IsAlwaysThumbInstructions(); |