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https://github.com/RGBCube/serenity
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ac53569bd1
These forms were introduced in DWARF5, and have a fair deal of advantages over the more traditional encodings: they reduce the size of the binary and the number of relocations. GCC does not emit these with `-g1` by default, but Clang does at all debug levels.
49 lines
1.2 KiB
C++
49 lines
1.2 KiB
C++
/*
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* Copyright (c) 2021, Daniel Bertalan <dani@danielbertalan.dev>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "AttributeValue.h"
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#include "CompilationUnit.h"
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namespace Debug::Dwarf {
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FlatPtr AttributeValue::as_addr() const
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{
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switch (m_form) {
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case AttributeDataForm::Addr:
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return m_data.as_addr;
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case AttributeDataForm::AddrX:
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case AttributeDataForm::AddrX1:
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case AttributeDataForm::AddrX2:
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case AttributeDataForm::AddrX3:
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case AttributeDataForm::AddrX4: {
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auto index = m_data.as_unsigned;
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return m_compilation_unit->get_address(index);
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}
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default:
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VERIFY_NOT_REACHED();
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}
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}
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char const* AttributeValue::as_string() const
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{
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switch (m_form) {
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case AttributeDataForm::String:
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case AttributeDataForm::StringPointer:
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case AttributeDataForm::LineStrP:
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return m_data.as_string;
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case AttributeDataForm::StrX:
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case AttributeDataForm::StrX1:
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case AttributeDataForm::StrX2:
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case AttributeDataForm::StrX3:
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case AttributeDataForm::StrX4: {
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auto index = m_data.as_unsigned;
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return m_compilation_unit->get_string(index);
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}
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default:
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VERIFY_NOT_REACHED();
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}
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}
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}
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