xref: /freebsd/contrib/llvm-project/llvm/lib/MC/MCDisassembler/MCDisassembler.cpp (revision ec4deee4e4f2aef1b97d9424f25d04e91fd7dc10)
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
20 MCDisassembler::onSymbolStart(StringRef Name, uint64_t &Size,
21                               ArrayRef<uint8_t> Bytes, uint64_t Address,
22                               raw_ostream &CStream) const {
23   Size = 0;
24   return MCDisassembler::Success;
25 }
26 
27 bool MCDisassembler::tryAddingSymbolicOperand(MCInst &Inst, int64_t Value,
28                                               uint64_t Address, bool IsBranch,
29                                               uint64_t Offset,
30                                               uint64_t InstSize) const {
31   if (Symbolizer)
32     return Symbolizer->tryAddingSymbolicOperand(
33         Inst, *CommentStream, Value, Address, IsBranch, Offset, InstSize);
34   return false;
35 }
36 
37 void MCDisassembler::tryAddingPcLoadReferenceComment(int64_t Value,
38                                                      uint64_t Address) const {
39   if (Symbolizer)
40     Symbolizer->tryAddingPcLoadReferenceComment(*CommentStream, Value, Address);
41 }
42 
43 void MCDisassembler::setSymbolizer(std::unique_ptr<MCSymbolizer> Symzer) {
44   Symbolizer = std::move(Symzer);
45 }
46