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Move Object format code to lib/BinaryFormat.

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This creates a new library called BinaryFormat that has all of
the headers from llvm/Support containing structure and layout
definitions for various types of binary formats like dwarf, coff,
elf, etc as well as the code for identifying a file from its
magic.

Differential Revision: https://reviews.llvm.org/D33843

llvm-svn: 304864
This commit is contained in:
Zachary Turner
2017-06-07 03:48:56 +00:00
parent b4b16556e3
commit 264b5d9e88
282 changed files with 3786 additions and 3641 deletions
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59
llvm/lib/Object/ObjectFile.cpp
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@@ -13,6 +13,7 @@
#include "llvm/Object/ObjectFile.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/BinaryFormat/Magic.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/COFF.h"
#include "llvm/Object/Error.h"
@@ -79,42 +80,42 @@ section_iterator ObjectFile::getRelocatedSection(DataRefImpl Sec) const {
}
Expected<std::unique_ptr<ObjectFile>>
ObjectFile::createObjectFile(MemoryBufferRef Object, sys::fs::file_magic Type) {
ObjectFile::createObjectFile(MemoryBufferRef Object, file_magic Type) {
StringRef Data = Object.getBuffer();
if (Type == sys::fs::file_magic::unknown)
Type = sys::fs::identify_magic(Data);
if (Type == file_magic::unknown)
Type = identify_magic(Data);
switch (Type) {
case sys::fs::file_magic::unknown:
case sys::fs::file_magic::bitcode:
case sys::fs::file_magic::coff_cl_gl_object:
case sys::fs::file_magic::archive:
case sys::fs::file_magic::macho_universal_binary:
case sys::fs::file_magic::windows_resource:
case file_magic::unknown:
case file_magic::bitcode:
case file_magic::coff_cl_gl_object:
case file_magic::archive:
case file_magic::macho_universal_binary:
case file_magic::windows_resource:
return errorCodeToError(object_error::invalid_file_type);
case sys::fs::file_magic::elf:
case sys::fs::file_magic::elf_relocatable:
case sys::fs::file_magic::elf_executable:
case sys::fs::file_magic::elf_shared_object:
case sys::fs::file_magic::elf_core:
case file_magic::elf:
case file_magic::elf_relocatable:
case file_magic::elf_executable:
case file_magic::elf_shared_object:
case file_magic::elf_core:
return errorOrToExpected(createELFObjectFile(Object));
case sys::fs::file_magic::macho_object:
case sys::fs::file_magic::macho_executable:
case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
case sys::fs::file_magic::macho_core:
case sys::fs::file_magic::macho_preload_executable:
case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
case sys::fs::file_magic::macho_dynamic_linker:
case sys::fs::file_magic::macho_bundle:
case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
case sys::fs::file_magic::macho_dsym_companion:
case sys::fs::file_magic::macho_kext_bundle:
case file_magic::macho_object:
case file_magic::macho_executable:
case file_magic::macho_fixed_virtual_memory_shared_lib:
case file_magic::macho_core:
case file_magic::macho_preload_executable:
case file_magic::macho_dynamically_linked_shared_lib:
case file_magic::macho_dynamic_linker:
case file_magic::macho_bundle:
case file_magic::macho_dynamically_linked_shared_lib_stub:
case file_magic::macho_dsym_companion:
case file_magic::macho_kext_bundle:
return createMachOObjectFile(Object);
case sys::fs::file_magic::coff_object:
case sys::fs::file_magic::coff_import_library:
case sys::fs::file_magic::pecoff_executable:
case file_magic::coff_object:
case file_magic::coff_import_library:
case file_magic::pecoff_executable:
return errorOrToExpected(createCOFFObjectFile(Object));
case sys::fs::file_magic::wasm_object:
case file_magic::wasm_object:
return createWasmObjectFile(Object);
}
llvm_unreachable("Unexpected Object File Type");