1 // Copyright (c) 2012- PPSSPP Project.
2 
3 // This program is free software: you can redistribute it and/or modify
4 // it under the terms of the GNU General Public License as published by
5 // the Free Software Foundation, version 2.0 or later versions.
6 
7 // This program is distributed in the hope that it will be useful,
8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
10 // GNU General Public License 2.0 for more details.
11 
12 // A copy of the GPL 2.0 should have been included with the program.
13 // If not, see http://www.gnu.org/licenses/
14 
15 // Official git repository and contact information can be found at
16 // https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
17 
18 #pragma once
19 
20 #include <cstdint>
21 
22 // This stuff used to only disassemble very old ARM but has now
23 // been extended to support most (but not all) modern instructions, including NEON.
24 
25 // Disarm itself has the license you can see in the cpp file.
26 // I'm not entirely sure it's 100% gpl compatible but it's nearly
27 // public domain so meh.
28 
29 const char *ArmRegName(int r);
30 void ArmDis(unsigned int addr, unsigned int w, char *output, int bufsize, bool includeWord);
31 
32 // Information about a load/store instruction.
33 struct ArmLSInstructionInfo {
34 	int instructionSize;
35 
36 	bool isIntegerLoadStore;
37 	bool isFPLoadStore;
38 	bool isMultiLoadStore;
39 
40 	int size;  // 0 = 8-bit, 1 = 16-bit, 2 = 32-bit, 3 = 64-bit
41 	bool isMemoryWrite;
42 
43 	int Rt;
44 	int Rn;
45 	int Rm;
46 
47 	// TODO: more.
48 };
49 
50 bool ArmAnalyzeLoadStore(uint32_t addr, uint32_t op, ArmLSInstructionInfo *info);
51