Marcus Meissner : ntdll: Make the section with AddressOfEntryPoint in it executable.

[Alexandre Julliard]

Module: wine
Branch: refs/heads/master
Commit: 08c2555dd86969c157037b7850667175aa102f16
URL:    http://source.winehq.org/git/?p=wine.git;a=commit;h=08c2555dd86969c157037b78...

Author: Marcus Meissner <marcus(a)jet.franken.de>
Date:   Sat May  6 15:16:39 2006 +0200

ntdll: Make the section with AddressOfEntryPoint in it executable.

---

 dlls/ntdll/virtual.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 1723070..fcdb96b 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -1072,6 +1072,12 @@ static NTSTATUS map_image( HANDLE hmappi
         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 lets 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 );
     }