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annotate lib/Object/SymbolicFile.cpp @ 77:54457678186b LLVM3.6

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LLVM 3.6
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Mon, 08 Sep 2014 22:06:00 +0900
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children 60c9769439b8
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77
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1 //===- SymbolicFile.cpp - Interface that only provides symbols --*- C++ -*-===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file defines a file format independent SymbolicFile class.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #include "llvm/Object/IRObjectFile.h"
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15 #include "llvm/Object/ObjectFile.h"
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16 #include "llvm/Object/SymbolicFile.h"
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17 #include "llvm/Support/MemoryBuffer.h"
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18
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19 using namespace llvm;
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20 using namespace object;
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21
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22 SymbolicFile::SymbolicFile(unsigned int Type, MemoryBufferRef Source)
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23 : Binary(Type, Source) {}
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24
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25 SymbolicFile::~SymbolicFile() {}
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26
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27 ErrorOr<std::unique_ptr<SymbolicFile>> SymbolicFile::createSymbolicFile(
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28 MemoryBufferRef Object, sys::fs::file_magic Type, LLVMContext *Context) {
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29 StringRef Data = Object.getBuffer();
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30 if (Type == sys::fs::file_magic::unknown)
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31 Type = sys::fs::identify_magic(Data);
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32
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33 switch (Type) {
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34 case sys::fs::file_magic::bitcode:
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35 if (Context)
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36 return IRObjectFile::createIRObjectFile(Object, *Context);
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37 // Fallthrough
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38 case sys::fs::file_magic::unknown:
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39 case sys::fs::file_magic::archive:
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40 case sys::fs::file_magic::macho_universal_binary:
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41 case sys::fs::file_magic::windows_resource:
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42 return object_error::invalid_file_type;
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43 case sys::fs::file_magic::elf_relocatable:
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44 case sys::fs::file_magic::elf_executable:
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45 case sys::fs::file_magic::elf_shared_object:
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46 case sys::fs::file_magic::elf_core:
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47 case sys::fs::file_magic::macho_object:
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48 case sys::fs::file_magic::macho_executable:
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49 case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
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50 case sys::fs::file_magic::macho_core:
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51 case sys::fs::file_magic::macho_preload_executable:
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52 case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
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53 case sys::fs::file_magic::macho_dynamic_linker:
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54 case sys::fs::file_magic::macho_bundle:
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55 case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
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56 case sys::fs::file_magic::macho_dsym_companion:
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57 case sys::fs::file_magic::coff_object:
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58 case sys::fs::file_magic::coff_import_library:
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59 case sys::fs::file_magic::pecoff_executable:
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60 return ObjectFile::createObjectFile(Object, Type);
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61 }
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62 llvm_unreachable("Unexpected Binary File Type");
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63 }