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//===- DebugCrossExSubsection.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 "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h"
#include "llvm/DebugInfo/CodeView/CodeViewError.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Error.h"
#include <cstdint>
using namespace llvm;
using namespace llvm::codeview;
Error DebugCrossModuleExportsSubsectionRef::initialize(
BinaryStreamReader Reader) {
if (Reader.bytesRemaining() % sizeof(CrossModuleExport) != 0)
return make_error<CodeViewError>(
cv_error_code::corrupt_record,
"Cross Scope Exports section is an invalid size!");
uint32_t Size = Reader.bytesRemaining() / sizeof(CrossModuleExport);
return Reader.readArray(References, Size);
}
Error DebugCrossModuleExportsSubsectionRef::initialize(BinaryStreamRef Stream) {
BinaryStreamReader Reader(Stream);
return initialize(Reader);
}
void DebugCrossModuleExportsSubsection::addMapping(uint32_t Local,
uint32_t Global) {
Mappings[Local] = Global;
}
uint32_t DebugCrossModuleExportsSubsection::calculateSerializedSize() const {
return Mappings.size() * sizeof(CrossModuleExport);
}
Error DebugCrossModuleExportsSubsection::commit(
BinaryStreamWriter &Writer) const {
for (const auto &M : Mappings) {
if (auto EC = Writer.writeInteger(M.first))
return EC;
if (auto EC = Writer.writeInteger(M.second))
return EC;
}
return Error::success();
}
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