contrib/llvm-project/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp

   1 //===- MCDisassembler.cpp - Disassembler interface ------------------------===//
   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/MC/MCDisassembler/MCDisassembler.h"
  10 #include "llvm/ADT/ArrayRef.h"
  11 #include "llvm/ADT/StringRef.h"
  12 #include "llvm/Support/raw_ostream.h"
  13 #include <algorithm>
  14
  15 using namespace llvm;
  16
  17 MCDisassembler::~MCDisassembler() = default;
  18
  19 MCDisassembler::DecodeStatus MCDisassembler::onSymbolStart(
  20     StringRef Name, uint64_t &Size, ArrayRef<uint8_t> Bytes, uint64_t Address,
  21     raw_ostream &VStream, raw_ostream &CStream) const {
  22   Size = 0;
  23   return MCDisassembler::Success;
  24 }
  25
  26 bool MCDisassembler::tryAddingSymbolicOperand(MCInst &Inst, int64_t Value,
  27                                               uint64_t Address, bool IsBranch,
  28                                               uint64_t Offset,
  29                                               uint64_t InstSize) const {
  30   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  31   if (Symbolizer)
  32     return Symbolizer->tryAddingSymbolicOperand(Inst, cStream, Value, Address,
  33                                                 IsBranch, Offset, InstSize);
  34   return false;
  35 }
  36
  37 void MCDisassembler::tryAddingPcLoadReferenceComment(int64_t Value,
  38                                                      uint64_t Address) const {
  39   raw_ostream &cStream = CommentStream ? *CommentStream : nulls();
  40   if (Symbolizer)
  41     Symbolizer->tryAddingPcLoadReferenceComment(cStream, Value, Address);
  42 }
  43
  44 void MCDisassembler::setSymbolizer(std::unique_ptr<MCSymbolizer> Symzer) {
  45   Symbolizer = std::move(Symzer);
  46 }