summaryrefslogtreecommitdiffstats
path: root/llvm/include/llvm/DebugInfo/DWARF/DWARFRelocMap.h
blob: f1e03bb4c2e18cb02567d88c9b1ce240e3d22884 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
//===- DWARFRelocMap.h ------------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
#define LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H

#include "llvm/ADT/DenseMap.h"
#include <cstdint>
#include <utility>

namespace llvm {

struct RelocAddrEntry {
  uint8_t Width;
  int64_t Value;
};

// In place of applying the relocations to the data we've read from disk we use
// a separate mapping table to the side and checking that at locations in the
// dwarf where we expect relocated values. This adds a bit of complexity to the
// dwarf parsing/extraction at the benefit of not allocating memory for the
// entire size of the debug info sections.
typedef DenseMap<uint64_t, RelocAddrEntry> RelocAddrMap;

} // end namespace llvm

#endif // LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
OpenPOWER on IntegriCloud