xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/ObjectYAML.cpp (revision 4087ffdbce725367566bc3fc60a959292daac99d)
1  //===- ObjectYAML.cpp - YAML utilities for object files -------------------===//
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-exception
6  //
7  //===----------------------------------------------------------------------===//
8  //
9  // This file defines a wrapper class for handling tagged YAML input
10  //
11  //===----------------------------------------------------------------------===//
12  
13  #include "llvm/ObjectYAML/ObjectYAML.h"
14  #include "llvm/ADT/Twine.h"
15  #include "llvm/Support/YAMLParser.h"
16  #include "llvm/Support/YAMLTraits.h"
17  #include <string>
18  
19  using namespace llvm;
20  using namespace yaml;
21  
22  void MappingTraits<YamlObjectFile>::mapping(IO &IO,
23                                              YamlObjectFile &ObjectFile) {
24    if (IO.outputting()) {
25      if (ObjectFile.Elf)
26        MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
27      if (ObjectFile.Coff)
28        MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
29      if (ObjectFile.Goff)
30        MappingTraits<GOFFYAML::Object>::mapping(IO, *ObjectFile.Goff);
31      if (ObjectFile.MachO)
32        MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
33      if (ObjectFile.FatMachO)
34        MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
35                                                           *ObjectFile.FatMachO);
36    } else {
37      Input &In = (Input &)IO;
38      if (IO.mapTag("!Arch")) {
39        ObjectFile.Arch.reset(new ArchYAML::Archive());
40        MappingTraits<ArchYAML::Archive>::mapping(IO, *ObjectFile.Arch);
41        std::string Err =
42            MappingTraits<ArchYAML::Archive>::validate(IO, *ObjectFile.Arch);
43        if (!Err.empty())
44          IO.setError(Err);
45      } else if (IO.mapTag("!ELF")) {
46        ObjectFile.Elf.reset(new ELFYAML::Object());
47        MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
48      } else if (IO.mapTag("!COFF")) {
49        ObjectFile.Coff.reset(new COFFYAML::Object());
50        MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
51      } else if (IO.mapTag("!GOFF")) {
52        ObjectFile.Goff.reset(new GOFFYAML::Object());
53        MappingTraits<GOFFYAML::Object>::mapping(IO, *ObjectFile.Goff);
54      } else if (IO.mapTag("!mach-o")) {
55        ObjectFile.MachO.reset(new MachOYAML::Object());
56        MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
57      } else if (IO.mapTag("!fat-mach-o")) {
58        ObjectFile.FatMachO.reset(new MachOYAML::UniversalBinary());
59        MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
60                                                           *ObjectFile.FatMachO);
61      } else if (IO.mapTag("!minidump")) {
62        ObjectFile.Minidump.reset(new MinidumpYAML::Object());
63        MappingTraits<MinidumpYAML::Object>::mapping(IO, *ObjectFile.Minidump);
64      } else if (IO.mapTag("!Offload")) {
65        ObjectFile.Offload.reset(new OffloadYAML::Binary());
66        MappingTraits<OffloadYAML::Binary>::mapping(IO, *ObjectFile.Offload);
67      } else if (IO.mapTag("!WASM")) {
68        ObjectFile.Wasm.reset(new WasmYAML::Object());
69        MappingTraits<WasmYAML::Object>::mapping(IO, *ObjectFile.Wasm);
70      } else if (IO.mapTag("!XCOFF")) {
71        ObjectFile.Xcoff.reset(new XCOFFYAML::Object());
72        MappingTraits<XCOFFYAML::Object>::mapping(IO, *ObjectFile.Xcoff);
73      } else if (IO.mapTag("!dxcontainer")) {
74        ObjectFile.DXContainer.reset(new DXContainerYAML::Object());
75        MappingTraits<DXContainerYAML::Object>::mapping(IO,
76                                                        *ObjectFile.DXContainer);
77      } else if (const Node *N = In.getCurrentNode()) {
78        if (N->getRawTag().empty())
79          IO.setError("YAML Object File missing document type tag!");
80        else
81          IO.setError("YAML Object File unsupported document type tag '" +
82                      N->getRawTag() + "'!");
83      }
84    }
85  }
86