| 1 | //===--------- DWARFRecordSectionSplitter.h - JITLink -----------*- 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_EXECUTIONENGINE_JITLINK_DWARFRECORDSECTIONSPLITTER_H |
| 10 | #define LLVM_EXECUTIONENGINE_JITLINK_DWARFRECORDSECTIONSPLITTER_H |
| 11 | |
| 12 | #include "llvm/ExecutionEngine/JITLink/JITLink.h" |
| 13 | |
| 14 | namespace llvm { |
| 15 | namespace jitlink { |
| 16 | |
| 17 | /// A LinkGraph pass that splits blocks in a section that follows the DWARF |
| 18 | /// Record format into sub-blocks where each header gets its own block. |
| 19 | /// When splitting EHFrames, DWARFRecordSectionSplitter should not be run |
| 20 | /// without EHFrameEdgeFixer, which is responsible for adding FDE-to-CIE edges. |
| 21 | class DWARFRecordSectionSplitter { |
| 22 | public: |
| 23 | DWARFRecordSectionSplitter(StringRef SectionName); |
| 24 | Error operator()(LinkGraph &G); |
| 25 | |
| 26 | private: |
| 27 | Error processBlock(LinkGraph &G, Block &B, LinkGraph::SplitBlockCache &Cache); |
| 28 | |
| 29 | StringRef SectionName; |
| 30 | }; |
| 31 | |
| 32 | } // namespace jitlink |
| 33 | } // namespace llvm |
| 34 | |
| 35 | #endif // LLVM_EXECUTIONENGINE_JITLINK_DWARFRECORDSECTIONSPLITTER_H |
| 36 | |