54 lines · cpp
1//===- DebugCrossExSubsection.cpp -----------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "llvm/DebugInfo/CodeView/DebugCrossExSubsection.h"10#include "llvm/DebugInfo/CodeView/CodeViewError.h"11#include "llvm/Support/BinaryStreamReader.h"12#include "llvm/Support/BinaryStreamWriter.h"13#include "llvm/Support/Error.h"14#include <cstdint>15 16using namespace llvm;17using namespace llvm::codeview;18 19Error DebugCrossModuleExportsSubsectionRef::initialize(20 BinaryStreamReader Reader) {21 if (Reader.bytesRemaining() % sizeof(CrossModuleExport) != 0)22 return make_error<CodeViewError>(23 cv_error_code::corrupt_record,24 "Cross Scope Exports section is an invalid size!");25 26 uint32_t Size = Reader.bytesRemaining() / sizeof(CrossModuleExport);27 return Reader.readArray(References, Size);28}29 30Error DebugCrossModuleExportsSubsectionRef::initialize(BinaryStreamRef Stream) {31 BinaryStreamReader Reader(Stream);32 return initialize(Reader);33}34 35void DebugCrossModuleExportsSubsection::addMapping(uint32_t Local,36 uint32_t Global) {37 Mappings[Local] = Global;38}39 40uint32_t DebugCrossModuleExportsSubsection::calculateSerializedSize() const {41 return Mappings.size() * sizeof(CrossModuleExport);42}43 44Error DebugCrossModuleExportsSubsection::commit(45 BinaryStreamWriter &Writer) const {46 for (const auto &M : Mappings) {47 if (auto EC = Writer.writeInteger(M.first))48 return EC;49 if (auto EC = Writer.writeInteger(M.second))50 return EC;51 }52 return Error::success();53}54