labath created this revision. labath added a reviewer: clayborg. labath added a subscriber: lldb-commits.
We were checking whether an attribute is in block form by getting the block data pointer, which was not correct as the pointer be null even if the attribute is in block form. Other places in the file already use the correct test. To make this work, I've needed to add DW_FORM_exprlock to the list of "block" forms, which seems correct as that is how we are parsing it. https://reviews.llvm.org/D22756 Files: source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp Index: source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp =================================================================== --- source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp +++ source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp @@ -4292,7 +4292,7 @@ { location_is_const_value_data = false; has_explicit_location = true; - if (form_value.BlockData()) + if (DWARFFormValue::IsBlockForm(form_value.Form())) { const DWARFDataExtractor& debug_info_data = get_debug_info_data(); Index: source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp =================================================================== --- source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp +++ source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp @@ -556,6 +556,7 @@ { switch (form) { + case DW_FORM_exprloc: case DW_FORM_block: case DW_FORM_block1: case DW_FORM_block2:
Index: source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp =================================================================== --- source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp +++ source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp @@ -4292,7 +4292,7 @@ { location_is_const_value_data = false; has_explicit_location = true; - if (form_value.BlockData()) + if (DWARFFormValue::IsBlockForm(form_value.Form())) { const DWARFDataExtractor& debug_info_data = get_debug_info_data(); Index: source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp =================================================================== --- source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp +++ source/Plugins/SymbolFile/DWARF/DWARFFormValue.cpp @@ -556,6 +556,7 @@ { switch (form) { + case DW_FORM_exprloc: case DW_FORM_block: case DW_FORM_block1: case DW_FORM_block2:
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