| //===-- llvm/MC/MCExternalSymbolizer.h - ------------------------*- 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 contains the declaration of the MCExternalSymbolizer class, which |
| // enables library users to provide callbacks (through the C API) to do the |
| // symbolization externally. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_MC_MCDISASSEMBLER_MCEXTERNALSYMBOLIZER_H |
| #define LLVM_MC_MCDISASSEMBLER_MCEXTERNALSYMBOLIZER_H |
| |
| #include "llvm-c/Disassembler.h" |
| #include "llvm/MC/MCDisassembler/MCSymbolizer.h" |
| #include <memory> |
| |
| namespace llvm { |
| |
| /// Symbolize using user-provided, C API, callbacks. |
| /// |
| /// See llvm-c/Disassembler.h. |
| class MCExternalSymbolizer : public MCSymbolizer { |
| protected: |
| /// \name Hooks for symbolic disassembly via the public 'C' interface. |
| /// @{ |
| /// The function to get the symbolic information for operands. |
| LLVMOpInfoCallback GetOpInfo; |
| /// The function to lookup a symbol name. |
| LLVMSymbolLookupCallback SymbolLookUp; |
| /// The pointer to the block of symbolic information for above call back. |
| void *DisInfo; |
| /// @} |
| |
| public: |
| MCExternalSymbolizer(MCContext &Ctx, |
| std::unique_ptr<MCRelocationInfo> RelInfo, |
| LLVMOpInfoCallback getOpInfo, |
| LLVMSymbolLookupCallback symbolLookUp, void *disInfo) |
| : MCSymbolizer(Ctx, std::move(RelInfo)), GetOpInfo(getOpInfo), |
| SymbolLookUp(symbolLookUp), DisInfo(disInfo) {} |
| |
| bool tryAddingSymbolicOperand(MCInst &MI, raw_ostream &CommentStream, |
| int64_t Value, uint64_t Address, bool IsBranch, |
| uint64_t Offset, uint64_t InstSize) override; |
| void tryAddingPcLoadReferenceComment(raw_ostream &CommentStream, |
| int64_t Value, |
| uint64_t Address) override; |
| }; |
| |
| } |
| |
| #endif |