================ @@ -0,0 +1,96 @@ +//===-- DWARF64UnitTest.cpp--------------------------------------------=---===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "Plugins/SymbolFile/DWARF/DWARFDebugInfo.h" +#include "Plugins/SymbolFile/DWARF/DWARFUnit.h" +#include "TestingSupport/Symbol/YAMLModuleTester.h" + +using namespace lldb_private; +using namespace lldb_private::dwarf; +using namespace lldb_private::plugin::dwarf; + +TEST(DWARF64UnitTest, DWARF64DebugInfoAndCU) { + const char *yamldata = R"( +--- !ELF +FileHeader: + Class: ELFCLASS64 + Data: ELFDATA2LSB + Type: ET_EXEC + Machine: EM_PPC64 +DWARF: + debug_str: + - 'clang version 18.1.8 (clang-18.1.8-1)' + - 'main' + debug_abbrev: + - Table: + - Code: 0x1 + Tag: DW_TAG_compile_unit + Children: DW_CHILDREN_yes + Attributes: + - Attribute: DW_AT_producer + Form: DW_FORM_strp + - Attribute: DW_AT_language + Form: DW_FORM_data2 + - Attribute: DW_AT_stmt_list + Form: DW_FORM_sec_offset + - Attribute: DW_AT_low_pc + Form: DW_FORM_addr + - Attribute: DW_AT_high_pc + Form: DW_FORM_data4 + - Code: 0x02 + Tag: DW_TAG_subprogram + Children: DW_CHILDREN_no + Attributes: + - Attribute: DW_AT_name + Form: DW_FORM_strp + debug_info: + - Format: DWARF64 + Version: 4 + AbbrOffset: 0x0 + AddrSize: 8 + Entries: + - AbbrCode: 0x1 + Values: + - Value: 0x0 + - Value: 0x04 + - Value: 0x0 + - Value: 0xdeadbeef + - Value: 0xdeadbeef + - AbbrCode: 0x2 + Values: + - Value: 0x1 + - AbbrCode: 0x0 +)"; + + YAMLModuleTester t(yamldata); + auto *symbol_file = + llvm::cast<SymbolFileDWARF>(t.GetModule()->GetSymbolFile()); + DWARFUnit *unit = symbol_file->DebugInfo().GetUnitAtIndex(0); + ASSERT_TRUE(unit); + ASSERT_EQ(unit->GetFormParams().Format, DwarfFormat::DWARF64); + ASSERT_EQ(unit->GetVersion(), 4); + ASSERT_EQ(unit->GetAddressByteSize(), 8); + + DWARFFormValue form_value; + const DWARFDebugInfoEntry *cu_entry = unit->DIE().GetDIE(); + ASSERT_EQ(cu_entry->Tag(), DW_TAG_compile_unit); + ASSERT_EQ(unit->GetProducer(), eProducerClang); + ASSERT_EQ(unit->GetDWARFLanguageType(), DW_LANG_C_plus_plus); + auto attrs = cu_entry->GetAttributes(unit, DWARFDebugInfoEntry::Recurse::yes); + attrs.ExtractFormValueAtIndex(2, form_value); // Validate DW_AT_stmt_list + ASSERT_EQ(form_value.Unsigned(), 0UL); + attrs.ExtractFormValueAtIndex(3, form_value); // Validate DW_AT_low_pc + ASSERT_EQ(form_value.Unsigned(), 0xdeadbeef); + attrs.ExtractFormValueAtIndex(4, form_value); // Validate DW_AT_high_pc + ASSERT_EQ(form_value.Unsigned(), 0xdeadbeef); ---------------- labath wrote:
It'd be better to choose distinct values for these. .. but maybe you can also delete these as DW_AT_low/high_pc does not depend on dwarf size. https://github.com/llvm/llvm-project/pull/145645 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
