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