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https://github.com/RGBCube/serenity
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0d89f70b66
Previously, the LineProgram objects were short-lived, and only created inside DebugInfo::prepare_lines() to create a vector of sorted LineInfo data. However, Dwarf::LineProgram also contains other useful data, such as index-to-string mapping of source directories and filenames. This commit makes each Dwarf::CompilationUnit own its Dwarf::LineProgram. DebugInfo::prepare_lines() then iterates over the compilation units to prepare its sorted vector of lines.
33 lines
875 B
C++
33 lines
875 B
C++
/*
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* Copyright (c) 2020, Itamar S. <itamar8910@gmail.com>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "CompilationUnit.h"
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#include "DIE.h"
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namespace Debug::Dwarf {
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CompilationUnit::CompilationUnit(const DwarfInfo& dwarf_info, u32 offset, const CompilationUnitHeader& header, NonnullOwnPtr<LineProgram>&& line_program)
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: m_dwarf_info(dwarf_info)
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, m_offset(offset)
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, m_header(header)
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, m_abbreviations(dwarf_info, header.abbrev_offset())
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, m_line_program(move(line_program))
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{
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VERIFY(header.version() < 5 || header.unit_type() == CompilationUnitType::Full);
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}
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DIE CompilationUnit::root_die() const
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{
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return DIE(*this, m_offset + m_header.header_size());
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}
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DIE CompilationUnit::get_die_at_offset(u32 die_offset) const
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{
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VERIFY(die_offset >= offset() && die_offset < offset() + size());
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return DIE(*this, die_offset);
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}
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}
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