Mercurial > hg > CbC > CbC_llvm
view lld/MachO/Dwarf.cpp @ 207:2e18cbf3894f
LLVM12
author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
---|---|
date | Tue, 08 Jun 2021 06:07:14 +0900 |
parents | |
children | 5f17cb93ff66 |
line wrap: on
line source
//===- DWARF.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 "Dwarf.h" #include "InputFiles.h" #include "InputSection.h" #include "OutputSegment.h" #include <memory> using namespace lld; using namespace lld::macho; using namespace llvm; std::unique_ptr<DwarfObject> DwarfObject::create(ObjFile *obj) { auto dObj = std::make_unique<DwarfObject>(); bool hasDwarfInfo = false; // LLD only needs to extract the source file path from the debug info, so we // initialize DwarfObject with just the sections necessary to get that path. // The debugger will locate the debug info via the object file paths that we // emit in our STABS symbols, so we don't need to process & emit them // ourselves. for (const InputSection *isec : obj->debugSections) { if (StringRef *s = StringSwitch<StringRef *>(isec->name) .Case(section_names::debugInfo, &dObj->infoSection.Data) .Case(section_names::debugAbbrev, &dObj->abbrevSection) .Case(section_names::debugStr, &dObj->strSection) .Default(nullptr)) { *s = toStringRef(isec->data); hasDwarfInfo = true; } } if (hasDwarfInfo) return dObj; return nullptr; }