on 64bits the ldr entry image_size is really a dword, but aligned so offets already matched

Author: sha0coder

crates/libmwemu/src/peb/peb64.rs

@@ -480,7 +480,7 @@ pub fn create_ldr_entry(
     let mut image_sz = 0;
     if base > 0 {
         let pe_hdr = emu.maps.read_dword(base + 0x3c).unwrap() as u64;
-        image_sz = emu.maps.read_qword(base + pe_hdr + 0x50).unwrap() as u64;
+        image_sz = emu.maps.read_dword(base + pe_hdr + 0x50).unwrap();
         base_addr = base;
     } else {
         base_addr = space_addr

crates/libmwemu/src/structures/ldr_data_table_entry64.rs

@@ -10,7 +10,7 @@ pub struct LdrDataTableEntry64 {
     pub in_initialization_order_links: ListEntry64,
     pub dll_base: u64,
     pub entry_point: u64,
-    pub size_of_image: u64,
+    pub size_of_image: u32,
     pub full_dll_name: UnicodeString64,
     pub base_dll_name: UnicodeString64,
     pub flags: u32,
@@ -56,7 +56,7 @@ impl LdrDataTableEntry64 {
             in_initialization_order_links: ListEntry64::load(addr + 0x20, maps),
             dll_base: maps.read_qword(addr + 0x30).unwrap(),
             entry_point: maps.read_qword(addr + 0x38).unwrap(),
-            size_of_image: maps.read_qword(addr + 0x40).unwrap(),
+            size_of_image: maps.read_dword(addr + 0x40).unwrap(), // dword aligned to qword
             full_dll_name: UnicodeString64::load(addr + 0x48, maps),
             base_dll_name: UnicodeString64::load(addr + 0x58, maps),
             flags: maps.read_dword(addr + 0x68).unwrap(), // cc 22 00 00   c4 a2 00 00   cc a2 c0 00
@@ -73,7 +73,7 @@ impl LdrDataTableEntry64 {
         self.in_initialization_order_links.save(addr + 0x20, maps);
         maps.write_qword(addr + 0x30, self.dll_base);
         maps.write_qword(addr + 0x38, self.entry_point);
-        maps.write_qword(addr + 0x40, self.size_of_image);
+        maps.write_dword(addr + 0x40, self.size_of_image);
         self.full_dll_name.save(addr + 0x48, maps);
         self.base_dll_name.save(addr + 0x58, maps);
         maps.write_dword(addr + 0x68, self.flags);