mirror of
https://github.com/hrydgard/ppsspp.git
synced 2024-12-11 23:53:55 +00:00
9cb1151b67
This does alter graphics (memcpys won't fire anymore), but it also means breakpoints work which is nice.
167 lines
4.3 KiB
C++
167 lines
4.3 KiB
C++
// Copyright (c) 2012- PPSSPP Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0 or later versions.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official git repository and contact information can be found at
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// https://github.com/hrydgard/ppsspp and http://www.ppsspp.org/.
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#pragma once
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#include <vector>
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#include "Core/Debugger/DebugInterface.h"
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struct BreakPointCond
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{
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DebugInterface *debug;
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PostfixExpression expression;
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char expressionString[128];
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BreakPointCond() : debug(NULL)
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{
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expressionString[0] = '\0';
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}
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u32 Evaluate()
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{
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u32 result;
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if (debug->parseExpression(expression,result) == false) return 0;
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return result;
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}
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};
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struct BreakPoint
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{
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BreakPoint() : hasCond(false) {}
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u32 addr;
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bool enabled;
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bool temporary;
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bool hasCond;
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BreakPointCond cond;
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bool operator == (const BreakPoint &other) const {
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return addr == other.addr;
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}
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bool operator < (const BreakPoint &other) const {
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return addr < other.addr;
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}
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};
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enum MemCheckCondition
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{
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MEMCHECK_READ = 0x01,
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MEMCHECK_WRITE = 0x02,
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MEMCHECK_WRITE_ONCHANGE = 0x04,
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MEMCHECK_READWRITE = 0x03,
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};
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enum MemCheckResult
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{
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MEMCHECK_IGNORE = 0x00,
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MEMCHECK_LOG = 0x01,
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MEMCHECK_BREAK = 0x02,
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MEMCHECK_BOTH = 0x03,
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};
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struct MemCheck
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{
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MemCheck();
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u32 start;
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u32 end;
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MemCheckCondition cond;
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MemCheckResult result;
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u32 numHits;
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u32 lastPC;
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u32 lastAddr;
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int lastSize;
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void Action(u32 addr, bool write, int size, u32 pc);
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void JitBefore(u32 addr, bool write, int size, u32 pc);
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void JitCleanup();
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void Log(u32 addr, bool write, int size, u32 pc);
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bool operator == (const MemCheck &other) const {
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return start == other.start && end == other.end;
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}
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};
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// BreakPoints cannot overlap, only one is allowed per address.
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// MemChecks can overlap, as long as their ends are different.
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// WARNING: MemChecks are not used in the interpreter or HLE currently.
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class CBreakPoints
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{
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public:
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static const size_t INVALID_BREAKPOINT = -1;
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static const size_t INVALID_MEMCHECK = -1;
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static bool IsAddressBreakPoint(u32 addr);
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static bool IsAddressBreakPoint(u32 addr, bool* enabled);
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static bool IsTempBreakPoint(u32 addr);
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static bool RangeContainsBreakPoint(u32 addr, u32 size);
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static void AddBreakPoint(u32 addr, bool temp = false);
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static void RemoveBreakPoint(u32 addr);
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static void ChangeBreakPoint(u32 addr, bool enable);
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static void ClearAllBreakPoints();
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static void ClearTemporaryBreakPoints();
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// Makes a copy. Temporary breakpoints can't have conditions.
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static void ChangeBreakPointAddCond(u32 addr, const BreakPointCond &cond);
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static void ChangeBreakPointRemoveCond(u32 addr);
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static BreakPointCond *GetBreakPointCondition(u32 addr);
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static void AddMemCheck(u32 start, u32 end, MemCheckCondition cond, MemCheckResult result);
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static void RemoveMemCheck(u32 start, u32 end);
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static void ChangeMemCheck(u32 start, u32 end, MemCheckCondition cond, MemCheckResult result);
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static void ClearAllMemChecks();
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static MemCheck *GetMemCheck(u32 address, int size);
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static void ExecMemCheck(u32 address, bool write, int size, u32 pc);
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// Executes memchecks but used by the jit. Cleanup finalizes after jit is done.
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static void ExecMemCheckJitBefore(u32 address, bool write, int size, u32 pc);
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static void ExecMemCheckJitCleanup();
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static void SetSkipFirst(u32 pc);
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static u32 CheckSkipFirst();
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// Includes uncached addresses.
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static const std::vector<MemCheck> GetMemCheckRanges();
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static const std::vector<MemCheck> GetMemChecks();
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static const std::vector<BreakPoint> GetBreakpoints();
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static void Update(u32 addr = 0);
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private:
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static size_t FindBreakpoint(u32 addr, bool matchTemp = false, bool temp = false);
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// Finds exactly, not using a range check.
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static size_t FindMemCheck(u32 start, u32 end);
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static std::vector<BreakPoint> breakPoints_;
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static u32 breakSkipFirstAt_;
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static u64 breakSkipFirstTicks_;
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static std::vector<MemCheck> memChecks_;
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static std::vector<MemCheck *> cleanupMemChecks_;
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};
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