xref: /llvm-project/llvm/lib/ObjCopy/ObjCopy.cpp (revision 54dad9e269f365d0eff2f63c5ee843564eecca7e)
1 //===- Objcopy.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-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "llvm/ObjCopy/ObjCopy.h"
10 #include "llvm/ObjCopy/COFF/COFFConfig.h"
11 #include "llvm/ObjCopy/COFF/COFFObjcopy.h"
12 #include "llvm/ObjCopy/ELF/ELFConfig.h"
13 #include "llvm/ObjCopy/ELF/ELFObjcopy.h"
14 #include "llvm/ObjCopy/MachO/MachOConfig.h"
15 #include "llvm/ObjCopy/MachO/MachOObjcopy.h"
16 #include "llvm/ObjCopy/MultiFormatConfig.h"
17 #include "llvm/ObjCopy/XCOFF/XCOFFConfig.h"
18 #include "llvm/ObjCopy/XCOFF/XCOFFObjcopy.h"
19 #include "llvm/ObjCopy/wasm/WasmConfig.h"
20 #include "llvm/ObjCopy/wasm/WasmObjcopy.h"
21 #include "llvm/Object/COFF.h"
22 #include "llvm/Object/ELFObjectFile.h"
23 #include "llvm/Object/Error.h"
24 #include "llvm/Object/MachO.h"
25 #include "llvm/Object/MachOUniversal.h"
26 #include "llvm/Object/Wasm.h"
27 #include "llvm/Object/XCOFFObjectFile.h"
28 
29 namespace llvm {
30 namespace objcopy {
31 
32 using namespace llvm::object;
33 
34 /// The function executeObjcopyOnBinary does the dispatch based on the format
35 /// of the input binary (ELF, MachO or COFF).
36 Error executeObjcopyOnBinary(const MultiFormatConfig &Config,
37                              object::Binary &In, raw_ostream &Out) {
38   if (auto *ELFBinary = dyn_cast<object::ELFObjectFileBase>(&In)) {
39     Expected<const ELFConfig &> ELFConfig = Config.getELFConfig();
40     if (!ELFConfig)
41       return ELFConfig.takeError();
42 
43     return elf::executeObjcopyOnBinary(Config.getCommonConfig(), *ELFConfig,
44                                        *ELFBinary, Out);
45   }
46   if (auto *COFFBinary = dyn_cast<object::COFFObjectFile>(&In)) {
47     Expected<const COFFConfig &> COFFConfig = Config.getCOFFConfig();
48     if (!COFFConfig)
49       return COFFConfig.takeError();
50 
51     return coff::executeObjcopyOnBinary(Config.getCommonConfig(), *COFFConfig,
52                                         *COFFBinary, Out);
53   }
54   if (auto *MachOBinary = dyn_cast<object::MachOObjectFile>(&In)) {
55     Expected<const MachOConfig &> MachOConfig = Config.getMachOConfig();
56     if (!MachOConfig)
57       return MachOConfig.takeError();
58 
59     return macho::executeObjcopyOnBinary(Config.getCommonConfig(), *MachOConfig,
60                                          *MachOBinary, Out);
61   }
62   if (auto *MachOUniversalBinary =
63           dyn_cast<object::MachOUniversalBinary>(&In)) {
64     return macho::executeObjcopyOnMachOUniversalBinary(
65         Config, *MachOUniversalBinary, Out);
66   }
67   if (auto *WasmBinary = dyn_cast<object::WasmObjectFile>(&In)) {
68     Expected<const WasmConfig &> WasmConfig = Config.getWasmConfig();
69     if (!WasmConfig)
70       return WasmConfig.takeError();
71 
72     return objcopy::wasm::executeObjcopyOnBinary(Config.getCommonConfig(),
73                                                  *WasmConfig, *WasmBinary, Out);
74   }
75   if (auto *XCOFFBinary = dyn_cast<object::XCOFFObjectFile>(&In)) {
76     Expected<const XCOFFConfig &> XCOFFConfig = Config.getXCOFFConfig();
77     if (!XCOFFConfig)
78       return XCOFFConfig.takeError();
79 
80     return xcoff::executeObjcopyOnBinary(Config.getCommonConfig(), *XCOFFConfig,
81                                          *XCOFFBinary, Out);
82   }
83   return createStringError(object_error::invalid_file_type,
84                            "unsupported object file format");
85 }
86 
87 } // end namespace objcopy
88 } // end namespace llvm
89