91 lines
2.3 KiB
C++
91 lines
2.3 KiB
C++
//===-- DWARFAttribute.cpp --------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "DWARFAttribute.h"
|
|
#include "DWARFDebugInfo.h"
|
|
#include "DWARFCompileUnit.h"
|
|
|
|
DWARFAttributes::DWARFAttributes() :
|
|
m_infos()
|
|
{
|
|
}
|
|
|
|
DWARFAttributes::~DWARFAttributes()
|
|
{
|
|
}
|
|
|
|
|
|
uint32_t
|
|
DWARFAttributes::FindAttributeIndex(dw_attr_t attr) const
|
|
{
|
|
collection::const_iterator end = m_infos.end();
|
|
collection::const_iterator beg = m_infos.begin();
|
|
collection::const_iterator pos;
|
|
for (pos = beg; pos != end; ++pos)
|
|
{
|
|
if (pos->attr.get_attr() == attr)
|
|
return std::distance(beg, pos);
|
|
}
|
|
return UINT32_MAX;
|
|
}
|
|
|
|
void
|
|
DWARFAttributes::Append(const DWARFCompileUnit *cu, dw_offset_t attr_die_offset, dw_attr_t attr, dw_form_t form)
|
|
{
|
|
AttributeValue attr_value = { cu, attr_die_offset, { attr, form } };
|
|
m_infos.push_back(attr_value);
|
|
}
|
|
|
|
bool
|
|
DWARFAttributes::ContainsAttribute(dw_attr_t attr) const
|
|
{
|
|
return FindAttributeIndex(attr) != UINT32_MAX;
|
|
}
|
|
|
|
bool
|
|
DWARFAttributes::RemoveAttribute(dw_attr_t attr)
|
|
{
|
|
uint32_t attr_index = FindAttributeIndex(attr);
|
|
if (attr_index != UINT32_MAX)
|
|
{
|
|
m_infos.erase(m_infos.begin() + attr_index);
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
DWARFAttributes::ExtractFormValueAtIndex (uint32_t i, DWARFFormValue &form_value) const
|
|
{
|
|
const DWARFCompileUnit *cu = CompileUnitAtIndex(i);
|
|
form_value.SetCompileUnit(cu);
|
|
form_value.SetForm(FormAtIndex(i));
|
|
lldb::offset_t offset = DIEOffsetAtIndex(i);
|
|
return form_value.ExtractValue(cu->GetSymbolFileDWARF()->get_debug_info_data(), &offset);
|
|
}
|
|
|
|
uint64_t
|
|
DWARFAttributes::FormValueAsUnsigned (dw_attr_t attr, uint64_t fail_value) const
|
|
{
|
|
const uint32_t attr_idx = FindAttributeIndex (attr);
|
|
if (attr_idx != UINT32_MAX)
|
|
return FormValueAsUnsignedAtIndex (attr_idx, fail_value);
|
|
return fail_value;
|
|
}
|
|
|
|
uint64_t
|
|
DWARFAttributes::FormValueAsUnsignedAtIndex(uint32_t i, uint64_t fail_value) const
|
|
{
|
|
DWARFFormValue form_value;
|
|
if (ExtractFormValueAtIndex(i, form_value))
|
|
return form_value.Reference();
|
|
return fail_value;
|
|
}
|
|
|