Alexandre Julliard : ntdll: Fix protection flags for uninitialized sections .
Alexandre Julliard
julliard at winehq.org
Fri Sep 9 10:56:45 CDT 2011
Module: wine
Branch: master
Commit: 33b0f0edffa0c8a06b4ee8831c92fdc373f83ece
URL: http://source.winehq.org/git/wine.git/?a=commit;h=33b0f0edffa0c8a06b4ee8831c92fdc373f83ece
Author: Alexandre Julliard <julliard at winehq.org>
Date: Fri Sep 9 12:29:20 2011 +0200
ntdll: Fix protection flags for uninitialized sections.
---
dlls/ntdll/virtual.c | 8 +++++++-
1 files changed, 7 insertions(+), 1 deletions(-)
diff --git a/dlls/ntdll/virtual.c b/dlls/ntdll/virtual.c
index 6699de1..10fba17 100644
--- a/dlls/ntdll/virtual.c
+++ b/dlls/ntdll/virtual.c
@@ -1341,8 +1341,14 @@ static NTSTATUS map_image( HANDLE hmapping, int fd, char *base, SIZE_T total_siz
size = ROUND_SIZE( sec->VirtualAddress, sec->SizeOfRawData );
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;
+ if (sec->Characteristics & IMAGE_SCN_MEM_WRITE)
+ {
+ if (sec->Characteristics & IMAGE_SCN_CNT_UNINITIALIZED_DATA)
+ vprot |= VPROT_READ | VPROT_WRITE;
+ else
+ vprot |= VPROT_READ | VPROT_WRITECOPY;
+ }
/* Dumb game crack lets the AOEP point into a data section. Adjust. */
if ((nt->OptionalHeader.AddressOfEntryPoint >= sec->VirtualAddress) &&
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