xref: /freebsd/contrib/llvm-project/llvm/lib/ObjectYAML/ObjectYAML.cpp (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
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.MachO)
30       MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
31     if (ObjectFile.FatMachO)
32       MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
33                                                          *ObjectFile.FatMachO);
34   } else {
35     Input &In = (Input &)IO;
36     if (IO.mapTag("!ELF")) {
37       ObjectFile.Elf.reset(new ELFYAML::Object());
38       MappingTraits<ELFYAML::Object>::mapping(IO, *ObjectFile.Elf);
39     } else if (IO.mapTag("!COFF")) {
40       ObjectFile.Coff.reset(new COFFYAML::Object());
41       MappingTraits<COFFYAML::Object>::mapping(IO, *ObjectFile.Coff);
42     } else if (IO.mapTag("!mach-o")) {
43       ObjectFile.MachO.reset(new MachOYAML::Object());
44       MappingTraits<MachOYAML::Object>::mapping(IO, *ObjectFile.MachO);
45     } else if (IO.mapTag("!fat-mach-o")) {
46       ObjectFile.FatMachO.reset(new MachOYAML::UniversalBinary());
47       MappingTraits<MachOYAML::UniversalBinary>::mapping(IO,
48                                                          *ObjectFile.FatMachO);
49     } else if (IO.mapTag("!minidump")) {
50       ObjectFile.Minidump.reset(new MinidumpYAML::Object());
51       MappingTraits<MinidumpYAML::Object>::mapping(IO, *ObjectFile.Minidump);
52     } else if (IO.mapTag("!WASM")) {
53       ObjectFile.Wasm.reset(new WasmYAML::Object());
54       MappingTraits<WasmYAML::Object>::mapping(IO, *ObjectFile.Wasm);
55     } else if (const Node *N = In.getCurrentNode()) {
56       if (N->getRawTag().empty())
57         IO.setError("YAML Object File missing document type tag!");
58       else
59         IO.setError("YAML Object File unsupported document type tag '" +
60                     N->getRawTag() + "'!");
61     }
62   }
63 }
64