From fbe49875699d4b4cd114ab01fed9fa2f37d85141 Mon Sep 17 00:00:00 2001
From: RadWolfie <RadWolfie@users.noreply.github.com>
Date: Mon, 23 Mar 2020 18:25:00 -0500
Subject: [PATCH] add verbose debug; won't work with loader project

---
 src/common/ReserveAddressRanges.cpp | 40 +++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/src/common/ReserveAddressRanges.cpp b/src/common/ReserveAddressRanges.cpp
index 14d52f1ea..788341a64 100644
--- a/src/common/ReserveAddressRanges.cpp
+++ b/src/common/ReserveAddressRanges.cpp
@@ -26,6 +26,12 @@
 // *
 // ******************************************************************
 
+// NOTE: Cannot be use in loader project due to force exclude std libraries.
+//#define DEBUG // Uncomment whenever need to verify memory leaks or bad configure.
+
+#ifdef DEBUG
+#include <cstdio> // For printf
+#endif
 #include <cstdint> // For uint32_t
 
 #include "AddressRanges.h"
@@ -43,6 +49,10 @@ bool ReserveMemoryRange(int index, uint32_t blocks_reserved[384])
 	const DWORD Protect = XboxAddressRanges[index].InitialMemoryProtection;
 	bool NeedsReservationTracking = false;
 	unsigned int arr_index = BLOCK_REGION_DEVKIT_INDEX_BEGIN;
+#ifdef DEBUG
+	std::printf("DEBUG: ReserveMemoryRange call begin\n");
+	std::printf("     : Comment = %s\n", XboxAddressRanges[index].Comment);
+#endif
 	switch (Start) {
 		case 0x80000000:
 		case 0x84000000:
@@ -71,6 +81,9 @@ bool ReserveMemoryRange(int index, uint32_t blocks_reserved[384])
 				0,
 				Size,
 				(LPVOID)Start);
+#ifdef DEBUG
+			std::printf("     : MapViewOfFile; Start = 0x%08X; Result = %p\n", Start, Result);
+#endif
 			if (Result == nullptr) {
 				HadAnyFailure = true;
 			}
@@ -97,18 +110,28 @@ bool ReserveMemoryRange(int index, uint32_t blocks_reserved[384])
 				if (Result == nullptr) {
 					HadAnyFailure = true;
 				}
+#ifdef DEBUG
+				std::printf("     : Start = %08X; Result = %p;\n", Start, Result);
+#endif
 				// Handle the next block
 				Start += BLOCK_SIZE;
 				Size -= BLOCK_SIZE;
 				if (NeedsReservationTracking) {
 					if (Result != nullptr) {
 						blocks_reserved[arr_index / 32] |= (1 << (arr_index % 32));
+#ifdef DEBUG
+						std::printf("     : arr_index = 0x%08X; set bit = 0x%08X;\n", arr_index, (1 << (arr_index % 32)));
+						std::printf("     : blocks_reserved[%08X] = 0x%08X\n", arr_index/32, blocks_reserved[arr_index/32]);
+#endif
 					}
 					arr_index++;
 				}
 			}
 		}
 	}
+#ifdef DEBUG
+	std::printf("     : ReserveMemoryRange call end: HadAnyFailure = %d\n\n", HadAnyFailure);
+#endif
 
 	// Only a complete success when the entire request was reserved in a single range
 	// (Otherwise, we have either a complete failure, or reserved it partially over multiple ranges)
@@ -122,11 +145,18 @@ void FreeMemoryRange(int index, uint32_t blocks_reserved[384])
 	int Size = XboxAddressRanges[index].Size;
 	bool NeedsReservationTracking = false;
 	unsigned int arr_index = BLOCK_REGION_DEVKIT_INDEX_BEGIN;
+#ifdef DEBUG
+	std::printf("DEBUG: FreeMemoryRange call begin\n");
+	std::printf("     : Comment = %s\n", XboxAddressRanges[index].Comment);
+#endif
 	switch (Start) {
 		case 0x80000000:
 		case 0x84000000:
 		case 0xF0000000: {
 			(void)UnmapViewOfFile((LPVOID)Start);
+#ifdef DEBUG
+			std::printf("     : UnmapViewOfFile; Start = 0x%08X\n", Start);
+#endif
 		}
 		break;
 
@@ -147,18 +177,28 @@ void FreeMemoryRange(int index, uint32_t blocks_reserved[384])
 			while (Size > 0) {
 				_Start = Start; // Require to silence C6001's warning complaint
 				BOOL Result = VirtualFree((LPVOID)_Start, 0, MEM_RELEASE);
+#ifdef DEBUG
+				std::printf("     : Start = %08X; Result = %d;\n", Start, Result);
+#endif
 				// Handle the next block
 				Start += BLOCK_SIZE;
 				Size -= BLOCK_SIZE;
 				if (NeedsReservationTracking) {
 					if (Result != 0) {
 						blocks_reserved[arr_index / 32] &= ~(1 << (arr_index % 32));
+#ifdef DEBUG
+						std::printf("     : arr_index = 0x%08X; clear bit = 0x%08X;\n", arr_index, (1 << (arr_index % 32)));
+						std::printf("     : blocks_reserved[%08X] = 0x%08X\n", arr_index/32, blocks_reserved[arr_index/32]);
+#endif
 					}
 					arr_index++;
 				}
 			}
 		}
 	}
+#ifdef DEBUG
+	std::printf("     : FreeMemoryRange call end\n\n");
+#endif
 }
 
 bool ReserveAddressRanges(const unsigned int system, uint32_t blocks_reserved[384]) {