1358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer//===-- DWARFDebugArangeSet.h -----------------------------------*- C++ -*-===// 2358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// 3358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// The LLVM Compiler Infrastructure 4358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// 5358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// This file is distributed under the University of Illinois Open Source 6358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// License. See LICENSE.TXT for details. 7358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer// 8358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer//===----------------------------------------------------------------------===// 9358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 1037ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines#ifndef LLVM_LIB_DEBUGINFO_DWARFDEBUGARANGESET_H 1137ed9c199ca639565f6ce88105f9e39e898d82d0Stephen Hines#define LLVM_LIB_DEBUGINFO_DWARFDEBUGARANGESET_H 12358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 1336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines#include "llvm/ADT/iterator_range.h" 14358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer#include "llvm/Support/DataExtractor.h" 15358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer#include <vector> 16358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 17358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramernamespace llvm { 18358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 19358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramerclass raw_ostream; 20358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 21358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramerclass DWARFDebugArangeSet { 22358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramerpublic: 23358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer struct Header { 24358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // The total length of the entries for that set, not including the length 25358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // field itself. 26358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint32_t Length; 27358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // The offset from the beginning of the .debug_info section of the 28358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // compilation unit entry referenced by the table. 29358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint32_t CuOffset; 30d6361c0954247c4b5978b7f3dc5f42bcfa6bafc7Benjamin Kramer // The DWARF version number. 31d6361c0954247c4b5978b7f3dc5f42bcfa6bafc7Benjamin Kramer uint16_t Version; 32358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // The size in bytes of an address on the target architecture. For segmented 33358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // addressing, this is the size of the offset portion of the address. 34358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint8_t AddrSize; 35358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // The size in bytes of a segment descriptor on the target architecture. 36358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer // If the target system uses a flat address space, this value is 0. 37358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint8_t SegSize; 38358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer }; 39358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 40358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer struct Descriptor { 41358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint64_t Address; 42358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint64_t Length; 43358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint64_t getEndAddress() const { return Address + Length; } 44358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer }; 45358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 46358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramerprivate: 47358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer typedef std::vector<Descriptor> DescriptorColl; 4836b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines typedef iterator_range<DescriptorColl::const_iterator> desc_iterator_range; 49358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 50358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer uint32_t Offset; 517b1bea3ccbf2d1cff66d4287e0cb7bc045802d31Rafael Espindola Header HeaderData; 52358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer DescriptorColl ArangeDescriptors; 53358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 54358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramerpublic: 55358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer DWARFDebugArangeSet() { clear(); } 56358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer void clear(); 57358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer bool extract(DataExtractor data, uint32_t *offset_ptr); 58358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer void dump(raw_ostream &OS) const; 59358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 607b1bea3ccbf2d1cff66d4287e0cb7bc045802d31Rafael Espindola uint32_t getCompileUnitDIEOffset() const { return HeaderData.CuOffset; } 6136b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines 6236b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines desc_iterator_range descriptors() const { 6336b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines return desc_iterator_range(ArangeDescriptors.begin(), 6436b56886974eae4f9c5ebc96befd3e7bfe5de338Stephen Hines ArangeDescriptors.end()); 65358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer } 66358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer}; 67358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 68358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer} 69358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer 70358f4fd9ee078b3c79597fc688855fb48bc1f356Benjamin Kramer#endif 71