caio/clang-p2996
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Add basic fission support to SymbolFileDWARF

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* Create new dwo symbol file class
* Add handling for .dwo sections
* Change indexes in SymbolFileDWARF to store compile unit offset next to
  DIE offset
* Propagate queries from dwarf compile unit to the dwo compile unit
  where applicable

Differential revision: http://reviews.llvm.org/D12291

llvm-svn: 247132
This commit is contained in:
Tamas Berghammer
2015-09-09 10:20:48 +00:00
parent 715cbe8939
commit eb882fc1f8
25 changed files with 1046 additions and 533 deletions
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40
lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.cpp
View File

@@ -1684,6 +1684,12 @@ ObjectFileELF::CreateSections(SectionList &unified_section_list)
static ConstString g_sect_name_dwarf_debug_ranges (".debug_ranges");
static ConstString g_sect_name_dwarf_debug_str (".debug_str");
static ConstString g_sect_name_dwarf_debug_str_offsets (".debug_str_offsets");
static ConstString g_sect_name_dwarf_debug_abbrev_dwo (".debug_abbrev.dwo");
static ConstString g_sect_name_dwarf_debug_info_dwo (".debug_info.dwo");
static ConstString g_sect_name_dwarf_debug_line_dwo (".debug_line.dwo");
static ConstString g_sect_name_dwarf_debug_loc_dwo (".debug_loc.dwo");
static ConstString g_sect_name_dwarf_debug_str_dwo (".debug_str.dwo");
static ConstString g_sect_name_dwarf_debug_str_offsets_dwo (".debug_str_offsets.dwo");
static ConstString g_sect_name_eh_frame (".eh_frame");
SectionType sect_type = eSectionTypeOther;
@@ -1717,20 +1723,26 @@ ObjectFileELF::CreateSections(SectionList &unified_section_list)
// MISSING? .gnu_debugdata - "mini debuginfo / MiniDebugInfo" section, http://sourceware.org/gdb/onlinedocs/gdb/MiniDebugInfo.html
// MISSING? .debug-index - http://src.chromium.org/viewvc/chrome/trunk/src/build/gdb-add-index?pathrev=144644
// MISSING? .debug_types - Type descriptions from DWARF 4? See http://gcc.gnu.org/wiki/DwarfSeparateTypeInfo
else if (name == g_sect_name_dwarf_debug_abbrev) sect_type = eSectionTypeDWARFDebugAbbrev;
else if (name == g_sect_name_dwarf_debug_addr) sect_type = eSectionTypeDWARFDebugAddr;
else if (name == g_sect_name_dwarf_debug_aranges) sect_type = eSectionTypeDWARFDebugAranges;
else if (name == g_sect_name_dwarf_debug_frame) sect_type = eSectionTypeDWARFDebugFrame;
else if (name == g_sect_name_dwarf_debug_info) sect_type = eSectionTypeDWARFDebugInfo;
else if (name == g_sect_name_dwarf_debug_line) sect_type = eSectionTypeDWARFDebugLine;
else if (name == g_sect_name_dwarf_debug_loc) sect_type = eSectionTypeDWARFDebugLoc;
else if (name == g_sect_name_dwarf_debug_macinfo) sect_type = eSectionTypeDWARFDebugMacInfo;
else if (name == g_sect_name_dwarf_debug_pubnames) sect_type = eSectionTypeDWARFDebugPubNames;
else if (name == g_sect_name_dwarf_debug_pubtypes) sect_type = eSectionTypeDWARFDebugPubTypes;
else if (name == g_sect_name_dwarf_debug_ranges) sect_type = eSectionTypeDWARFDebugRanges;
else if (name == g_sect_name_dwarf_debug_str) sect_type = eSectionTypeDWARFDebugStr;
else if (name == g_sect_name_dwarf_debug_str_offsets) sect_type = eSectionTypeDWARFDebugStrOffsets;
else if (name == g_sect_name_eh_frame) sect_type = eSectionTypeEHFrame;
else if (name == g_sect_name_dwarf_debug_abbrev) sect_type = eSectionTypeDWARFDebugAbbrev;
else if (name == g_sect_name_dwarf_debug_addr) sect_type = eSectionTypeDWARFDebugAddr;
else if (name == g_sect_name_dwarf_debug_aranges) sect_type = eSectionTypeDWARFDebugAranges;
else if (name == g_sect_name_dwarf_debug_frame) sect_type = eSectionTypeDWARFDebugFrame;
else if (name == g_sect_name_dwarf_debug_info) sect_type = eSectionTypeDWARFDebugInfo;
else if (name == g_sect_name_dwarf_debug_line) sect_type = eSectionTypeDWARFDebugLine;
else if (name == g_sect_name_dwarf_debug_loc) sect_type = eSectionTypeDWARFDebugLoc;
else if (name == g_sect_name_dwarf_debug_macinfo) sect_type = eSectionTypeDWARFDebugMacInfo;
else if (name == g_sect_name_dwarf_debug_pubnames) sect_type = eSectionTypeDWARFDebugPubNames;
else if (name == g_sect_name_dwarf_debug_pubtypes) sect_type = eSectionTypeDWARFDebugPubTypes;
else if (name == g_sect_name_dwarf_debug_ranges) sect_type = eSectionTypeDWARFDebugRanges;
else if (name == g_sect_name_dwarf_debug_str) sect_type = eSectionTypeDWARFDebugStr;
else if (name == g_sect_name_dwarf_debug_str_offsets) sect_type = eSectionTypeDWARFDebugStrOffsets;
else if (name == g_sect_name_dwarf_debug_abbrev_dwo) sect_type = eSectionTypeDWARFDebugAbbrev;
else if (name == g_sect_name_dwarf_debug_info_dwo) sect_type = eSectionTypeDWARFDebugInfo;
else if (name == g_sect_name_dwarf_debug_line_dwo) sect_type = eSectionTypeDWARFDebugLine;
else if (name == g_sect_name_dwarf_debug_loc_dwo) sect_type = eSectionTypeDWARFDebugLoc;
else if (name == g_sect_name_dwarf_debug_str_dwo) sect_type = eSectionTypeDWARFDebugStr;
else if (name == g_sect_name_dwarf_debug_str_offsets_dwo) sect_type = eSectionTypeDWARFDebugStrOffsets;
else if (name == g_sect_name_eh_frame) sect_type = eSectionTypeEHFrame;
switch (header.sh_type)
{