From 9d7e3b0c95742afd114d20d4f87413c11380a4f9 Mon Sep 17 00:00:00 2001
From: mrexodia <mr.exodia.tpodt@gmail.com>
Date: Fri, 19 Aug 2016 16:23:47 +0200
Subject: [PATCH] implemented memory breakpoint functionality in TitanEngine
 emulator

---
 TitanEngineEmulator/Emulator.h | 32 ++++++++++++++++++++++++++++----
 1 file changed, 28 insertions(+), 4 deletions(-)

diff --git a/TitanEngineEmulator/Emulator.h b/TitanEngineEmulator/Emulator.h
index c0aba2f..0a61df1 100644
--- a/TitanEngineEmulator/Emulator.h
+++ b/TitanEngineEmulator/Emulator.h
@@ -409,14 +409,37 @@ public:
     //Memory Breakpoints
     bool SetMemoryBPXEx(ULONG_PTR MemoryStart, SIZE_T SizeOfMemory, DWORD BreakPointType, bool RestoreOnHit, LPVOID bpxCallBack)
     {
-        //TODO
-        return false;
+        if (!mProcess)
+            return false;
+        MemoryType type;
+        switch (BreakPointType)
+        {
+        case UE_MEMORY:
+            type = MemoryType::Access;
+            break;
+        case UE_MEMORY_READ:
+            type = MemoryType::Read;
+            break;
+        case UE_MEMORY_WRITE:
+            type = MemoryType::Write;
+            break;
+        case UE_MEMORY_EXECUTE:
+            type = MemoryType::Execute;
+            break;
+        default:
+            return false;
+        }
+        return mProcess->SetMemoryBreakpoint(ptr(MemoryStart), ptr(SizeOfMemory), [bpxCallBack](const BreakpointInfo & info)
+        {
+            (MEMBPCALLBACK(bpxCallBack))((const void*)info.address);
+        }, type, !RestoreOnHit);
     }
 
     bool RemoveMemoryBPX(ULONG_PTR MemoryStart, SIZE_T SizeOfMemory)
     {
-        //TODO
-        return false;
+        if (!mProcess)
+            return false;
+        return mProcess->DeleteMemoryBreakpoint(ptr(MemoryStart));
     }
 
     //Hardware Breakpoints
@@ -631,6 +654,7 @@ private: //variables
     typedef void(*STEPCALLBACK)();
     typedef STEPCALLBACK BPCALLBACK;
     typedef CUSTOMHANDLER HWBPCALLBACK;
+    typedef CUSTOMHANDLER MEMBPCALLBACK;
     CUSTOMHANDLER mCbCREATEPROCESS = nullptr;
     CUSTOMHANDLER mCbEXITPROCESS = nullptr;
     CUSTOMHANDLER mCbCREATETHREAD = nullptr;