57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
//===-- DIERef.cpp ----------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "DIERef.h"
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#include "DWARFCompileUnit.h"
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#include "DWARFFormValue.h"
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DIERef::DIERef() :
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cu_offset(DW_INVALID_OFFSET),
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die_offset(DW_INVALID_OFFSET)
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{}
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DIERef::DIERef(dw_offset_t d) :
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cu_offset(DW_INVALID_OFFSET),
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die_offset(d)
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{}
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DIERef::DIERef(dw_offset_t c, dw_offset_t d) :
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cu_offset(c),
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die_offset(d)
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{}
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DIERef::DIERef(lldb::user_id_t uid) :
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cu_offset(uid>>32),
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die_offset(uid&0xffffffff)
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{}
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DIERef::DIERef(const DWARFFormValue& form_value) :
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cu_offset(DW_INVALID_OFFSET),
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die_offset(DW_INVALID_OFFSET)
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{
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if (form_value.IsValid())
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{
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const DWARFCompileUnit* dwarf_cu = form_value.GetCompileUnit();
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if (dwarf_cu)
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{
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if (dwarf_cu->GetBaseObjOffset() != DW_INVALID_OFFSET)
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cu_offset = dwarf_cu->GetBaseObjOffset();
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else
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cu_offset = dwarf_cu->GetOffset();
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}
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die_offset = form_value.Reference();
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}
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}
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lldb::user_id_t
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DIERef::GetUID() const
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{
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return ((lldb::user_id_t)cu_offset) << 32 | die_offset;
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}
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