[Lldb-commits] [PATCH] D62008: DWARF: Parse type units from the debug_types section

[Pavel Labath via Phabricator via lldb-commits]

labath created this revision.
labath added reviewers: JDevlieghere, clayborg, aprantl.
Herald added a subscriber: mgorny.

This patch introduces the DWARFTypeUnit class, and teaches lldb to parse
type units out of the debug_types section.

The most important piece of functionality - resolving DW_AT_signatures
to connect type forward declarations to their definitions - is not
implemented here, but even without that, a lot of functionality becomes
available. I've added tests for the commands that start to work after
this patch.

The changes in this patch were greatly inspired by D61505 <https://reviews.llvm.org/D61505>, which in turn took
over changes from D32167 <https://reviews.llvm.org/D32167>.


https://reviews.llvm.org/D62008

Files:
  lit/SymbolFile/DWARF/Inputs/debug-types-basic.cpp
  lit/SymbolFile/DWARF/Inputs/debug-types-expressions.cpp
  lit/SymbolFile/DWARF/debug-types-basic.test
  lit/SymbolFile/DWARF/debug-types-expressions.test
  lit/SymbolFile/DWARF/lit.local.cfg
  source/Plugins/SymbolFile/DWARF/CMakeLists.txt
  source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp
  source/Plugins/SymbolFile/DWARF/DWARFDebugInfo.cpp
  source/Plugins/SymbolFile/DWARF/DWARFTypeUnit.cpp
  source/Plugins/SymbolFile/DWARF/DWARFTypeUnit.h
  source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
  source/Plugins/SymbolFile/DWARF/DWARFUnit.h

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