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