LLVM  10.0.0svn
DWARFRelocMap.h
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1 //===- DWARFRelocMap.h ------------------------------------------*- C++ -*-===//
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 #ifndef LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
10 #define LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
11 
12 #include "llvm/ADT/DenseMap.h"
14 #include <cstdint>
15 
16 namespace llvm {
17 
18 /// RelocAddrEntry contains relocated value and section index.
19 /// Section index is -1LL if relocation points to absolute symbol.
21  uint64_t SectionIndex;
23  uint64_t SymbolValue;
25  uint64_t SymbolValue2;
27 };
28 
29 /// In place of applying the relocations to the data we've read from disk we use
30 /// a separate mapping table to the side and checking that at locations in the
31 /// dwarf where we expect relocated values. This adds a bit of complexity to the
32 /// dwarf parsing/extraction at the benefit of not allocating memory for the
33 /// entire size of the debug info sections.
35 
36 } // end namespace llvm
37 
38 #endif // LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H
object::RelocationResolver Resolver
Definition: DWARFRelocMap.h:26
This class represents lattice values for constants.
Definition: AllocatorList.h:23
Optional< object::RelocationRef > Reloc2
Definition: DWARFRelocMap.h:24
This is a value type class that represents a single relocation in the list of relocations in the obje...
Definition: ObjectFile.h:52
object::RelocationRef Reloc
Definition: DWARFRelocMap.h:22
RelocAddrEntry contains relocated value and section index.
Definition: DWARFRelocMap.h:20
uint64_t(*)(RelocationRef R, uint64_t S, uint64_t A) RelocationResolver