| 1 | //===- Sections.cpp ---------------------------------------------------===// |
|---|---|
| 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 | #include "Sections.h" |
| 10 | #include "InputSection.h" |
| 11 | #include "OutputSegment.h" |
| 12 | |
| 13 | #include "llvm/ADT/StringSwitch.h" |
| 14 | |
| 15 | using namespace llvm; |
| 16 | using namespace llvm::MachO; |
| 17 | |
| 18 | namespace lld::macho::sections { |
| 19 | bool isCodeSection(StringRef name, StringRef segName, uint32_t flags) { |
| 20 | uint32_t type = sectionType(flags); |
| 21 | if (type != S_REGULAR && type != S_COALESCED) |
| 22 | return false; |
| 23 | |
| 24 | uint32_t attr = flags & SECTION_ATTRIBUTES_USR; |
| 25 | if (attr == S_ATTR_PURE_INSTRUCTIONS) |
| 26 | return true; |
| 27 | |
| 28 | if (segName == segment_names::text) |
| 29 | return StringSwitch<bool>(name) |
| 30 | .Cases(S0: section_names::textCoalNt, S1: section_names::staticInit, Value: true) |
| 31 | .Default(Value: false); |
| 32 | |
| 33 | return false; |
| 34 | } |
| 35 | |
| 36 | } // namespace lld::macho::sections |
| 37 |