| //===-- DIERef.h ------------------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef SymbolFileDWARF_DIERef_h_ |
| #define SymbolFileDWARF_DIERef_h_ |
| |
| #include "lldb/Core/dwarf.h" |
| #include "lldb/lldb-defines.h" |
| |
| class DWARFFormValue; |
| class SymbolFileDWARF; |
| |
| struct DIERef { |
| DIERef() = default; |
| |
| DIERef(dw_offset_t c, dw_offset_t d) : cu_offset(c), die_offset(d) {} |
| |
| //---------------------------------------------------------------------- |
| // In order to properly decode a lldb::user_id_t back into a DIERef we |
| // need the DWARF file since it knows if DWARF in .o files is being used |
| // (MacOSX) or if DWO files are being used. The encoding of the user ID |
| // differs between the two types of DWARF. |
| //---------------------------------------------------------------------- |
| explicit DIERef(lldb::user_id_t uid, SymbolFileDWARF *dwarf); |
| |
| explicit DIERef(const DWARFFormValue &form_value); |
| |
| //---------------------------------------------------------------------- |
| // In order to properly encode a DIERef unto a lldb::user_id_t we need |
| // the DWARF file since it knows if DWARF in .o files is being used |
| // (MacOSX) or if DWO files are being used. The encoding of the user ID |
| // differs between the two types of DWARF. |
| //---------------------------------------------------------------------- |
| lldb::user_id_t GetUID(SymbolFileDWARF *dwarf) const; |
| |
| bool operator<(const DIERef &ref) const { |
| return die_offset < ref.die_offset; |
| } |
| |
| bool operator<(const DIERef &ref) { return die_offset < ref.die_offset; } |
| |
| explicit operator bool() const { |
| return cu_offset != DW_INVALID_OFFSET || die_offset != DW_INVALID_OFFSET; |
| } |
| |
| dw_offset_t cu_offset = DW_INVALID_OFFSET; |
| dw_offset_t die_offset = DW_INVALID_OFFSET; |
| }; |
| |
| typedef std::vector<DIERef> DIEArray; |
| |
| #endif // SymbolFileDWARF_DIERef_h_ |