Changeset 6975 for trunk/src/kernel32/winimagepeldr.cpp

Timestamp:

Oct 9, 2001, 10:25:21 PM (24 years ago)

Author:

sandervl

Message:

Image header page must be readonly + disabled high memory usage for heap

File:

• trunk/src/kernel32/winimagepeldr.cpp (modified) (6 diffs)

trunk/src/kernel32/winimagepeldr.cpp

@@ -1 @@
-/* $Id: winimagepeldr.cpp,v 1.89 2001-07-03 06:53:39 sandervl Exp $ */
+/* $Id: winimagepeldr.cpp,v 1.90 2001-10-09 20:25:21 sandervl Exp $ */
 
 /*
@@ -293 +293 @@
             for (i=0; i<nSections; i++)
             {
+                dprintf((LOG, "Section:              %-8s", psh[i].Name ));
                 dprintf((LOG, "Raw data size:        %x", psh[i].SizeOfRawData ));
                 dprintf((LOG, "Virtual Address:      %x", psh[i].VirtualAddress ));
@@ -749 +750 @@
         size        = 4096;
         sectionsize = 4096;
-        protflags   = PAG_READ|PAG_WRITE; //readonly?
+        //Header page must be readonly (same as in NT)
+        protflags   = PAG_READ;
         section = findPreviousSectionByOS2Addr(virtAddress);
         if(section == NULL) {//access to header
@@ -779 +781 @@
         }
     }
-    if(fPageCmd == COMPLETE_SECTION && section->type == SECTION_DEBUG) {//ignore
+    if(fPageCmd == COMPLETE_SECTION && (section && section->type == SECTION_DEBUG)) {//ignore
         return TRUE;
     }
@@ -970 +972 @@
 {
  ULONG lowestAddr = 0xffffffff;
- ULONG index = -1;
+ LONG  index = -1;
 
     for(int i=0;i<nrsections;i++) {
-        if(section[i].realvirtaddr > addr) {
+        if(section[i].realvirtaddr <= addr) {
             if(section[i].realvirtaddr < lowestAddr) {
                 lowestAddr = section[i].realvirtaddr;
@@ -1052 +1054 @@
 {
  int i;
- WINIMAGE_LOOKUP *imgLookup;
-
-  imgLookup = WINIMAGE_LOOKUPADDR(realBaseAddress);
-  imgLookup->magic1 = MAGIC_WINIMAGE;
-  imgLookup->image  = this;
-  imgLookup->magic2 = MAGIC_WINIMAGE;
 
   // Process all the image sections