mirror of
https://github.com/libretro/ppsspp.git
synced 2024-12-14 12:40:11 +00:00
121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
|
|
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, version 2.0 or later versions.
|
|
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License 2.0 for more details.
|
|
|
|
// A copy of the GPL 2.0 should have been included with the program.
|
|
// If not, see http://www.gnu.org/licenses/
|
|
|
|
// Official git repository and contact information can be found at
|
|
// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
|
|
|
|
#pragma once
|
|
|
|
#include "Globals.h"
|
|
#include "Core/MIPS/MIPS.h"
|
|
|
|
class DebugInterface;
|
|
|
|
namespace MIPSAnalyst
|
|
{
|
|
const int MIPS_NUM_GPRS = 32;
|
|
|
|
struct RegisterAnalysisResults {
|
|
bool used;
|
|
int firstRead;
|
|
int lastRead;
|
|
int firstWrite;
|
|
int lastWrite;
|
|
int firstReadAsAddr;
|
|
int lastReadAsAddr;
|
|
|
|
int readCount;
|
|
int writeCount;
|
|
int readAsAddrCount;
|
|
|
|
int TotalReadCount() const { return readCount + readAsAddrCount; }
|
|
int FirstRead() const { return firstReadAsAddr < firstRead ? firstReadAsAddr : firstRead; }
|
|
int LastRead() const { return lastReadAsAddr > lastRead ? lastReadAsAddr : lastRead; }
|
|
|
|
void MarkRead(u32 addr) {
|
|
if (firstRead == -1)
|
|
firstRead = addr;
|
|
lastRead = addr;
|
|
readCount++;
|
|
used = true;
|
|
}
|
|
|
|
void MarkReadAsAddr(u32 addr) {
|
|
if (firstReadAsAddr == -1)
|
|
firstReadAsAddr = addr;
|
|
lastReadAsAddr = addr;
|
|
readAsAddrCount++;
|
|
used = true;
|
|
}
|
|
|
|
void MarkWrite(u32 addr) {
|
|
if (firstWrite == -1)
|
|
firstWrite = addr;
|
|
lastWrite = addr;
|
|
writeCount++;
|
|
used = true;
|
|
}
|
|
};
|
|
|
|
struct AnalysisResults {
|
|
RegisterAnalysisResults r[MIPS_NUM_GPRS];
|
|
};
|
|
|
|
AnalysisResults Analyze(u32 address);
|
|
|
|
|
|
bool IsRegisterUsed(u32 reg, u32 addr);
|
|
void ScanForFunctions(u32 startAddr, u32 endAddr);
|
|
void CompileLeafs();
|
|
|
|
std::vector<MIPSGPReg> GetInputRegs(MIPSOpcode op);
|
|
std::vector<MIPSGPReg> GetOutputRegs(MIPSOpcode op);
|
|
|
|
MIPSGPReg GetOutGPReg(MIPSOpcode op);
|
|
bool ReadsFromGPReg(MIPSOpcode op, MIPSGPReg reg);
|
|
bool IsDelaySlotNiceReg(MIPSOpcode branchOp, MIPSOpcode op, MIPSGPReg reg1, MIPSGPReg reg2 = MIPS_REG_ZERO);
|
|
bool IsDelaySlotNiceVFPU(MIPSOpcode branchOp, MIPSOpcode op);
|
|
bool IsDelaySlotNiceFPU(MIPSOpcode branchOp, MIPSOpcode op);
|
|
bool IsSyscall(MIPSOpcode op);
|
|
|
|
void Shutdown();
|
|
|
|
typedef struct
|
|
{
|
|
DebugInterface* cpu;
|
|
u32 opcodeAddress;
|
|
MIPSOpcode encodedOpcode;
|
|
|
|
// shared between branches and conditional moves
|
|
bool isConditional;
|
|
bool conditionMet;
|
|
|
|
// branches
|
|
u32 branchTarget;
|
|
bool isBranch;
|
|
bool isLinkedBranch;
|
|
bool isLikelyBranch;
|
|
bool isBranchToRegister;
|
|
int branchRegisterNum;
|
|
|
|
// data access
|
|
bool isDataAccess;
|
|
int dataSize;
|
|
u32 dataAddress;
|
|
} MipsOpcodeInfo;
|
|
|
|
MipsOpcodeInfo GetOpcodeInfo(DebugInterface* cpu, u32 address);
|
|
|
|
} // namespace MIPSAnalyst
|