PATCH: (resubmit) make section with EntryPoint executable
Marcus Meissner
marcus at jet.franken.de
Sat May 6 08:16:39 CDT 2006
Hi,
One of the game cracks reportedly had the section
of the AddressOfEntryPoint in not executable.
This does not make sense, so I added a workaround for this.
Ciao, Marcus
Changelog:
Make the section with AddressOfEntryPoint in it executable.
Index: dlls/ntdll/virtual.c
===================================================================
RCS file: /home/wine/wine/dlls/ntdll/virtual.c,v
retrieving revision 1.88
diff -u -r1.88 virtual.c
--- dlls/ntdll/virtual.c 8 Apr 2006 18:13:41 -0000 1.88
+++ dlls/ntdll/virtual.c 6 May 2006 13:15:25 -0000
@@ -1072,6 +1072,12 @@
if (sec->Characteristics & IMAGE_SCN_MEM_READ) vprot |= VPROT_READ;
if (sec->Characteristics & IMAGE_SCN_MEM_WRITE) vprot |= VPROT_READ|VPROT_WRITECOPY;
if (sec->Characteristics & IMAGE_SCN_MEM_EXECUTE) vprot |= VPROT_EXEC;
+
+ /* Dumb game crack let the AOEP point into a data section. Adjust. */
+ if ( (nt->OptionalHeader.AddressOfEntryPoint >= sec->VirtualAddress) &&
+ (nt->OptionalHeader.AddressOfEntryPoint < sec->VirtualAddress + size)
+ )
+ vprot |= VPROT_EXEC;
VIRTUAL_SetProt( view, ptr + sec->VirtualAddress, size, vprot );
}
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