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b138caba43
This makes the buffer ownership on error conditions very natural. The buffer is only moved out of the argument if an object is constructed that now owns the buffer. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211546 91177308-0d34-0410-b5e6-96231b3b80d8
65 lines
2.4 KiB
C++
65 lines
2.4 KiB
C++
//===- SymbolicFile.cpp - Interface that only provides symbols --*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines a file format independent SymbolicFile class.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Object/IRObjectFile.h"
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#include "llvm/Object/ObjectFile.h"
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#include "llvm/Object/SymbolicFile.h"
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#include "llvm/Support/MemoryBuffer.h"
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using namespace llvm;
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using namespace object;
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SymbolicFile::SymbolicFile(unsigned int Type, MemoryBuffer *Source)
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: Binary(Type, Source) {}
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SymbolicFile::~SymbolicFile() {}
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ErrorOr<SymbolicFile *>
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SymbolicFile::createSymbolicFile(std::unique_ptr<MemoryBuffer> &Object,
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sys::fs::file_magic Type,
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LLVMContext *Context) {
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if (Type == sys::fs::file_magic::unknown)
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Type = sys::fs::identify_magic(Object->getBuffer());
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switch (Type) {
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case sys::fs::file_magic::bitcode:
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if (Context)
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return IRObjectFile::createIRObjectFile(Object.release(), *Context);
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// Fallthrough
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case sys::fs::file_magic::unknown:
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case sys::fs::file_magic::archive:
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case sys::fs::file_magic::macho_universal_binary:
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case sys::fs::file_magic::windows_resource:
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return object_error::invalid_file_type;
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case sys::fs::file_magic::elf_relocatable:
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case sys::fs::file_magic::elf_executable:
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case sys::fs::file_magic::elf_shared_object:
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case sys::fs::file_magic::elf_core:
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case sys::fs::file_magic::macho_object:
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case sys::fs::file_magic::macho_executable:
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case sys::fs::file_magic::macho_fixed_virtual_memory_shared_lib:
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case sys::fs::file_magic::macho_core:
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case sys::fs::file_magic::macho_preload_executable:
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case sys::fs::file_magic::macho_dynamically_linked_shared_lib:
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case sys::fs::file_magic::macho_dynamic_linker:
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case sys::fs::file_magic::macho_bundle:
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case sys::fs::file_magic::macho_dynamically_linked_shared_lib_stub:
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case sys::fs::file_magic::macho_dsym_companion:
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case sys::fs::file_magic::coff_object:
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case sys::fs::file_magic::coff_import_library:
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case sys::fs::file_magic::pecoff_executable:
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return ObjectFile::createObjectFile(Object, Type);
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}
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llvm_unreachable("Unexpected Binary File Type");
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}
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