mirror of
https://github.com/revng/revng
synced 2026-06-21 14:07:57 +00:00
Giacomo Vercesi
e8f293271b
Store the contents of the files deserialized by `BinariesContainer` to disk via `TemporaryFile`. This also allows some pipes to avoid shuffling data around since they needed a file on disk anyways.
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
/// The link for translation pipe is used to link object files into a
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/// executable.
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//
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// This file is distributed under the MIT License. See LICENSE.md for details.
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//
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#include "revng/Pipeline/AllRegistries.h"
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#include "revng/Pipes/ModelGlobal.h"
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#include "revng/Recompile/LinkForTranslation.h"
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#include "revng/Recompile/LinkForTranslationPipe.h"
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#include "revng/Support/ResourceFinder.h"
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using namespace llvm;
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using namespace llvm::sys;
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using namespace pipeline;
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using namespace ::revng::pipes;
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void LinkForTranslation::run(ExecutionContext &EC,
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BinaryFileContainer &InputBinary,
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ObjectFileContainer &ObjectFile,
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TranslatedFileContainer &OutputBinary) {
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if (not InputBinary.exists() or not ObjectFile.exists())
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return;
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const model::Binary &Model = *getModelFromContext(EC);
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linkForTranslation(Model,
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*InputBinary.path(),
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*ObjectFile.path(),
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OutputBinary.getOrCreatePath());
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EC.commitUniqueTarget(OutputBinary);
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}
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static RegisterPipe<LinkForTranslation> E5;
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namespace revng::pypeline::piperuns {
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llvm::Error LinkForTranslation::checkPrecondition(const class Model &Model) {
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if (Model.get().get()->Binaries().size() != 1)
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return revng::createError("Binaries must have exactly one element");
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return llvm::Error::success();
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}
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LinkForTranslation::LinkForTranslation(const Model &TheModel,
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llvm::StringRef StaticConfig,
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llvm::StringRef DynamicConfig,
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const BinariesContainer &Binaries,
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const ObjectFileContainer &ObjectFile,
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TranslatedContainer &Output) :
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Binary(*TheModel.get().get()),
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Binaries(Binaries),
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ObjectFile(ObjectFile),
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Output(Output) {
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}
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void LinkForTranslation::run() {
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// TODO: some of the operations in linkForTranslation should be converted to
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// in-memory counterparts to avoid serializing everything.
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TemporaryFile Object("revng-lft-object", "o");
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writeToFile(ObjectFile.getMemoryBuffer(ObjectID{})->getBuffer(),
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Object.path());
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TemporaryFile TempOutput("revng-lft-output");
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linkForTranslation(Binary,
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Binaries.getFilePath(0),
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Object.path(),
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TempOutput.path());
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auto Buffer = revng::cantFail(llvm::MemoryBuffer::getFile(TempOutput.path()));
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{
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auto OutputOS = Output.getOStream(ObjectID{});
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*OutputOS << Buffer->getBuffer();
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}
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}
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} // namespace revng::pypeline::piperuns
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