1 //===- WasmReader.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 "WasmReader.h"
10 
11 namespace llvm {
12 namespace objcopy {
13 namespace wasm {
14 
15 using namespace object;
16 using namespace llvm::wasm;
17 
18 Expected<std::unique_ptr<Object>> Reader::create() const {
19   auto Obj = std::make_unique<Object>();
20   Obj->Header = WasmObj.getHeader();
21   std::vector<Section> Sections;
22   Obj->Sections.reserve(WasmObj.getNumSections());
23   for (const SectionRef &Sec : WasmObj.sections()) {
24     const WasmSection &WS = WasmObj.getWasmSection(Sec);
25     Obj->Sections.push_back({static_cast<uint8_t>(WS.Type),
26                              WS.HeaderSecSizeEncodingLen, WS.Name, WS.Content});
27     // Give known sections standard names to allow them to be selected. (Custom
28     // sections already have their names filled in by the parser).
29     Section &ReaderSec = Obj->Sections.back();
30     if (ReaderSec.SectionType > WASM_SEC_CUSTOM &&
31         ReaderSec.SectionType <= WASM_SEC_LAST_KNOWN)
32       ReaderSec.Name = sectionTypeToString(ReaderSec.SectionType);
33   }
34   return std::move(Obj);
35 }
36 
37 } // end namespace wasm
38 } // end namespace objcopy
39 } // end namespace llvm
40