611d1f98c5
All of this is code that is unreferenced. Removing as much of this as possible makes it more easy to determine what functionality is missing and/or shared between LLVM and LLDB's DWARF interfaces. llvm-svn: 356509
60 lines
2.0 KiB
C++
60 lines
2.0 KiB
C++
//===-- DWARFAttribute.cpp --------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "DWARFAttribute.h"
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#include "DWARFUnit.h"
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#include "DWARFDebugInfo.h"
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DWARFAttributes::DWARFAttributes() : m_infos() {}
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DWARFAttributes::~DWARFAttributes() {}
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uint32_t DWARFAttributes::FindAttributeIndex(dw_attr_t attr) const {
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collection::const_iterator end = m_infos.end();
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collection::const_iterator beg = m_infos.begin();
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collection::const_iterator pos;
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for (pos = beg; pos != end; ++pos) {
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if (pos->attr.get_attr() == attr)
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return std::distance(beg, pos);
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}
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return UINT32_MAX;
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}
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void DWARFAttributes::Append(const DWARFUnit *cu, dw_offset_t attr_die_offset,
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dw_attr_t attr, dw_form_t form) {
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AttributeValue attr_value = {
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cu, attr_die_offset, {attr, form, DWARFFormValue::ValueType()}};
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m_infos.push_back(attr_value);
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}
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bool DWARFAttributes::ExtractFormValueAtIndex(
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uint32_t i, DWARFFormValue &form_value) const {
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const DWARFUnit *cu = CompileUnitAtIndex(i);
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form_value.SetCompileUnit(cu);
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form_value.SetForm(FormAtIndex(i));
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lldb::offset_t offset = DIEOffsetAtIndex(i);
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return form_value.ExtractValue(cu->GetData(), &offset);
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}
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uint64_t DWARFAttributes::FormValueAsUnsigned(dw_attr_t attr,
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uint64_t fail_value) const {
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const uint32_t attr_idx = FindAttributeIndex(attr);
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if (attr_idx != UINT32_MAX)
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return FormValueAsUnsignedAtIndex(attr_idx, fail_value);
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return fail_value;
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}
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uint64_t
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DWARFAttributes::FormValueAsUnsignedAtIndex(uint32_t i,
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uint64_t fail_value) const {
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DWARFFormValue form_value;
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if (ExtractFormValueAtIndex(i, form_value))
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return form_value.Reference();
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return fail_value;
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}
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