xref: /freebsd/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDataExtractor.cpp (revision 06c3fb2749bda94cb5201f81ffdb8fa6c3161b2e)
1 //===-- DWARFDataExtractor.cpp --------------------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "DWARFDataExtractor.h"
10 #include "llvm/ADT/StringRef.h"
11 
12 namespace lldb_private {
13 
14 uint64_t
GetDWARFInitialLength(lldb::offset_t * offset_ptr) const15 DWARFDataExtractor::GetDWARFInitialLength(lldb::offset_t *offset_ptr) const {
16   return GetU32(offset_ptr);
17 }
18 
19 dw_offset_t
GetDWARFOffset(lldb::offset_t * offset_ptr) const20 DWARFDataExtractor::GetDWARFOffset(lldb::offset_t *offset_ptr) const {
21   return GetMaxU64(offset_ptr, GetDWARFSizeOfOffset());
22 }
23 
GetAsLLVMDWARF() const24 llvm::DWARFDataExtractor DWARFDataExtractor::GetAsLLVMDWARF() const {
25   return llvm::DWARFDataExtractor(llvm::ArrayRef(GetDataStart(), GetByteSize()),
26                                   GetByteOrder() == lldb::eByteOrderLittle,
27                                   GetAddressByteSize());
28 }
GetAsLLVM() const29 llvm::DataExtractor DWARFDataExtractor::GetAsLLVM() const {
30   return llvm::DataExtractor(llvm::ArrayRef(GetDataStart(), GetByteSize()),
31                              GetByteOrder() == lldb::eByteOrderLittle,
32                              GetAddressByteSize());
33 }
34 } // namespace lldb_private
35