X-Git-Url: https://git.dogcows.com/gitweb?p=chaz%2Fthecheat;a=blobdiff_plain;f=Searching.m;h=d1885d9956f13cd666ae0b6f3b727dbef419f9b2;hp=2814a32a94bac1f7ecebc322f07698745023cdb2;hb=HEAD;hpb=44e9757722f3ed40d15e0a7d06c50567d9664833

diff --git a/Searching.m b/Searching.m
index 2814a32..d1885d9 100644
--- a/Searching.m
+++ b/Searching.m
@@ -1,22 +1,13 @@
 
-// **********************************************************************
-// The Cheat - A universal game cheater for Mac OS X
-// (C) 2003-2005 Chaz McGarvey (BrokenZipper)
-// 
-// 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; either version 1, or (at your option)
-// any later version.
-// 
-// 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 for more details.
-// 
-// You should have received a copy of the GNU General Public License
-// along with this program; if not, write to the Free Software
-// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-// 
+/*
+ * The Cheat - The legendary universal game trainer for Mac OS X.
+ * http://www.brokenzipper.com/trac/wiki/TheCheat
+ *
+ * Copyright (c) 2003-2011, Charles McGarvey et al.
+ *
+ * Distributable under the terms and conditions of the 2-clause BSD
+ * license; see the file COPYING for the legal text of the license.
+ */
 
 
 #import "Searching.h"
@@ -70,7 +61,7 @@ int SearchIteration( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr, *top;
 	TCAddress offset;
@@ -98,7 +89,24 @@ int SearchIteration( ThreadedTask *task, unsigned iteration )
 		offset = VMRegionAddress( region ) - (TCAddress)context->buffer;
 		
 		while ( ptr < top ) {
-			if ( context->compareFunc(ptr,context->value->_value) ) {
+			char firstValue[context->value->_size];
+			memcpy(firstValue, ptr, context->value->_size);
+			
+			if (context->value->_isEmulated)
+			{
+				if (context->value->_type == TCFloat)
+				{
+					CFSwappedFloat32 firstSwappedFloat = CFConvertFloat32HostToSwapped(*((float *)firstValue));
+					memcpy(firstValue, &firstSwappedFloat, context->value->_size);
+				}
+				else if (context->value->_type == TCDouble)
+				{
+					CFSwappedFloat64 firstSwappedDouble = CFConvertDoubleHostToSwapped(*((double *)firstValue));
+					memcpy(firstValue, &firstSwappedDouble, context->value->_size);
+				}
+			}
+			
+			if ( context->compareFunc(firstValue,context->value->_value) ) {
 				if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 					TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 					context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -154,7 +162,7 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -164,7 +172,6 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 		context->lastRegion = VMMakeRegion( context->process, *(context->lastRegionPtr), 0 );
 		region = VMNextRegionWithAttributes( context->process, context->lastRegion, VMREGION_READABLE | VMREGION_WRITABLE );
 		if ( VMRegionIsNotNull( region ) ) {
-			
 			if ( context->bufferSize < VMRegionSize( region ) ) {
 				char *buf = realloc( context->buffer, VMRegionSize( region ) );
 				if ( buf ) {
@@ -183,9 +190,26 @@ int SearchIterationAgain( ThreadedTask *task, unsigned iteration )
 			top = *context->lastPerRegionPtr;
 			
 			for ( i = 0; i < top; i++ ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				
+				char firstValue[context->value->_size];
+				memcpy(firstValue, ptr, context->value->_size);
+				
+				if (context->value->_isEmulated)
+				{
+					if (context->value->_type == TCFloat)
+					{
+						CFSwappedFloat32 firstSwappedFloat = CFConvertFloat32HostToSwapped(*((float *)firstValue));
+						memcpy(firstValue, &firstSwappedFloat, context->value->_size);
+					}
+					else if (context->value->_type == TCDouble)
+					{
+						CFSwappedFloat64 firstSwappedDouble = CFConvertDoubleHostToSwapped(*((double *)firstValue));
+						memcpy(firstValue, &firstSwappedDouble, context->value->_size);
+					}
+				}
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( context->compareFunc(ptr,context->value->_value) ) {
+				if (ptr >= context->buffer && context->compareFunc(firstValue,context->value->_value)) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -245,7 +269,7 @@ int SearchIterationLastValue( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -275,8 +299,8 @@ int SearchIterationLastValue( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( context->compareFunc(ptr,context->lastValuePtr) ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				if ( ptr >= context->buffer && context->compareFunc(ptr,context->lastValuePtr) ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -338,7 +362,7 @@ int SearchStringIteration( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr, *top, *hit;
 	TCAddress offset;
@@ -422,7 +446,7 @@ int SearchStringIterationAgain( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -452,8 +476,9 @@ int SearchStringIterationAgain( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				
+				if ( ptr >= context->buffer && memcmp( ptr, context->value->_value, MIN(TCArrayElementSize(context->values),(TCAddress)context->buffer+VMRegionAddress(region)-(TCAddress)ptr) ) == 0 ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;
@@ -511,7 +536,7 @@ int SearchStringIterationLastValue( ThreadedTask *task, unsigned iteration )
 	SearchContext *context = [task context];
 	VMRegion region;
 	unsigned hitsPerRegion = 0;
-	vm_size_t size;
+	mach_vm_size_t size;
 	
 	void *ptr;
 	unsigned i, top;
@@ -541,8 +566,8 @@ int SearchStringIterationLastValue( ThreadedTask *task, unsigned iteration )
 			
 			for ( i = 0; i < top; i++ ) {
 				
-				ptr = context->buffer + *context->lastAddressPtr - VMRegionAddress(region);
-				if ( memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),context->buffer+VMRegionAddress(region)-ptr) ) == 0 ) {
+				ptr = (void *)((TCAddress)context->buffer + *context->lastAddressPtr - VMRegionAddress(region));
+				if ( ptr >= context->buffer && memcmp( ptr, context->lastValuePtr, MIN(TCArrayElementSize(context->values),(TCAddress)context->buffer+VMRegionAddress(region)-(TCAddress)ptr) ) == 0 ) {
 					if ( context->numberOfResults >= TCArrayElementCount(context->addresses) ) {
 						TCArrayResize( context->addresses, TCArrayElementCount(context->addresses) + TC_BUFFER_SIZE / sizeof(TCAddress) );
 						context->addressPtr = (TCAddress *)TCArrayBytes(context->addresses) + context->numberOfResults;