46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
//===- WasmObject.cpp -----------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "WasmObject.h"
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namespace llvm {
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namespace objcopy {
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namespace wasm {
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using namespace object;
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using namespace llvm::wasm;
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void Object::addSectionWithOwnedContents(
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Section NewSection, std::unique_ptr<MemoryBuffer> &&Content) {
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Sections.push_back(NewSection);
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OwnedContents.emplace_back(std::move(Content));
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}
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void Object::removeSections(function_ref<bool(const Section &)> ToRemove) {
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if (isRelocatableObject) {
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// For relocatable objects, avoid actually removing any sections,
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// since that can invalidate the symbol table and relocation sections.
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// TODO: Allow removal of sections by re-generating symbol table and
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// relocation sections here instead.
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for (auto &Sec : Sections) {
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if (ToRemove(Sec)) {
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Sec.Name = ".objcopy.removed";
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Sec.SectionType = wasm::WASM_SEC_CUSTOM;
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Sec.Contents = {};
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Sec.HeaderSecSizeEncodingLen = std::nullopt;
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}
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}
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} else {
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llvm::erase_if(Sections, ToRemove);
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}
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}
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} // end namespace wasm
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} // end namespace objcopy
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} // end namespace llvm
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