92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
|
//===- IRObjectFile.h - LLVM IR object file implementation ------*- C++ -*-===//
|
||
|
|
//
|
||
|
|
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
|
||
|
|
// See https://llvm.org/LICENSE.txt for license information.
|
||
|
|
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
//
|
||
|
|
// This file declares the IRObjectFile template class.
|
||
|
|
//
|
||
|
|
//===----------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_OBJECT_IROBJECTFILE_H
|
||
|
|
#define LLVM_OBJECT_IROBJECTFILE_H
|
||
|
|
|
||
|
|
#include "llvm/ADT/PointerUnion.h"
|
||
|
|
#include "llvm/Object/IRSymtab.h"
|
||
|
|
#include "llvm/Object/ModuleSymbolTable.h"
|
||
|
|
#include "llvm/Object/SymbolicFile.h"
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
class BitcodeModule;
|
||
|
|
class Mangler;
|
||
|
|
class Module;
|
||
|
|
class GlobalValue;
|
||
|
|
class Triple;
|
||
|
|
|
||
|
|
namespace object {
|
||
|
|
class ObjectFile;
|
||
|
|
|
||
|
|
class IRObjectFile : public SymbolicFile {
|
||
|
|
std::vector<std::unique_ptr<Module>> Mods;
|
||
|
|
ModuleSymbolTable SymTab;
|
||
|
|
IRObjectFile(MemoryBufferRef Object,
|
||
|
|
std::vector<std::unique_ptr<Module>> Mods);
|
||
|
|
|
||
|
|
public:
|
||
|
|
~IRObjectFile() override;
|
||
|
|
void moveSymbolNext(DataRefImpl &Symb) const override;
|
||
|
|
Error printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override;
|
||
|
|
Expected<uint32_t> getSymbolFlags(DataRefImpl Symb) const override;
|
||
|
|
basic_symbol_iterator symbol_begin() const override;
|
||
|
|
basic_symbol_iterator symbol_end() const override;
|
||
|
|
|
||
|
|
StringRef getTargetTriple() const;
|
||
|
|
|
||
|
|
static bool classof(const Binary *v) {
|
||
|
|
return v->isIR();
|
||
|
|
}
|
||
|
|
|
||
|
|
using module_iterator =
|
||
|
|
pointee_iterator<std::vector<std::unique_ptr<Module>>::const_iterator,
|
||
|
|
const Module>;
|
||
|
|
|
||
|
|
module_iterator module_begin() const { return module_iterator(Mods.begin()); }
|
||
|
|
module_iterator module_end() const { return module_iterator(Mods.end()); }
|
||
|
|
|
||
|
|
iterator_range<module_iterator> modules() const {
|
||
|
|
return make_range(module_begin(), module_end());
|
||
|
|
}
|
||
|
|
|
||
|
|
/// Finds and returns bitcode embedded in the given object file, or an
|
||
|
|
/// error code if not found.
|
||
|
|
static Expected<MemoryBufferRef> findBitcodeInObject(const ObjectFile &Obj);
|
||
|
|
|
||
|
|
/// Finds and returns bitcode in the given memory buffer (which may
|
||
|
|
/// be either a bitcode file or a native object file with embedded bitcode),
|
||
|
|
/// or an error code if not found.
|
||
|
|
static Expected<MemoryBufferRef>
|
||
|
|
findBitcodeInMemBuffer(MemoryBufferRef Object);
|
||
|
|
|
||
|
|
static Expected<std::unique_ptr<IRObjectFile>> create(MemoryBufferRef Object,
|
||
|
|
LLVMContext &Context);
|
||
|
|
};
|
||
|
|
|
||
|
|
/// The contents of a bitcode file and its irsymtab. Any underlying data
|
||
|
|
/// for the irsymtab are owned by Symtab and Strtab.
|
||
|
|
struct IRSymtabFile {
|
||
|
|
std::vector<BitcodeModule> Mods;
|
||
|
|
SmallVector<char, 0> Symtab, Strtab;
|
||
|
|
irsymtab::Reader TheReader;
|
||
|
|
};
|
||
|
|
|
||
|
|
/// Reads a bitcode file, creating its irsymtab if necessary.
|
||
|
|
Expected<IRSymtabFile> readIRSymtab(MemoryBufferRef MBRef);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|