| Andrew Scull | 5e1ddfa | 2018-08-14 10:06:54 +0100 | [diff] [blame^] | 1 | //===- DWARFRelocMap.h ------------------------------------------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H |
| 11 | #define LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H |
| 12 | |
| 13 | #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. |
| 20 | struct RelocAddrEntry { |
| 21 | uint64_t SectionIndex; |
| 22 | uint64_t Value; |
| 23 | }; |
| 24 | |
| 25 | /// In place of applying the relocations to the data we've read from disk we use |
| 26 | /// a separate mapping table to the side and checking that at locations in the |
| 27 | /// dwarf where we expect relocated values. This adds a bit of complexity to the |
| 28 | /// dwarf parsing/extraction at the benefit of not allocating memory for the |
| 29 | /// entire size of the debug info sections. |
| 30 | using RelocAddrMap = DenseMap<uint64_t, RelocAddrEntry>; |
| 31 | |
| 32 | } // end namespace llvm |
| 33 | |
| 34 | #endif // LLVM_DEBUGINFO_DWARF_DWARFRELOCMAP_H |