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5ef47e6205
This teaches obj2yaml to dump valid regular (not thin) archives. This also teaches yaml2obj to recognize archives YAML descriptions, what allows to craft all different kinds of archives (valid and broken ones). Differential revision: https://reviews.llvm.org/D89949
59 lines
2.0 KiB
C++
59 lines
2.0 KiB
C++
//===- ArchiveYAML.cpp - ELF YAMLIO implementation -------------------- ----===//
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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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//
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// This file defines classes for handling the YAML representation of archives.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ObjectYAML/ArchiveYAML.h"
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namespace llvm {
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namespace yaml {
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void MappingTraits<ArchYAML::Archive>::mapping(IO &IO, ArchYAML::Archive &A) {
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assert(!IO.getContext() && "The IO context is initialized already");
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IO.setContext(&A);
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IO.mapTag("!Arch", true);
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IO.mapOptional("Magic", A.Magic, "!<arch>\n");
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IO.mapOptional("Members", A.Members);
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IO.mapOptional("Content", A.Content);
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IO.setContext(nullptr);
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}
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std::string MappingTraits<ArchYAML::Archive>::validate(IO &,
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ArchYAML::Archive &A) {
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if (A.Members && A.Content)
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return "\"Content\" and \"Members\" cannot be used together";
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return "";
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}
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void MappingTraits<ArchYAML::Archive::Child>::mapping(
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IO &IO, ArchYAML::Archive::Child &E) {
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assert(IO.getContext() && "The IO context is not initialized");
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for (auto &P : E.Fields)
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IO.mapOptional(P.first.data(), P.second.Value, P.second.DefaultValue);
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IO.mapOptional("Content", E.Content);
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IO.mapOptional("PaddingByte", E.PaddingByte);
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}
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std::string
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MappingTraits<ArchYAML::Archive::Child>::validate(IO &,
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ArchYAML::Archive::Child &C) {
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for (auto &P : C.Fields)
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if (P.second.Value.size() > P.second.MaxLength)
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return ("the maximum length of \"" + P.first + "\" field is " +
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Twine(P.second.MaxLength))
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.str();
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return "";
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}
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} // end namespace yaml
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} // end namespace llvm
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