Mohamed Mediouni : ntdll: Multiply r4 with the word size in ARM for __chkstk.
Alexandre Julliard
julliard at wine.codeweavers.com
Tue Jun 16 10:13:14 CDT 2015
Module: wine
Branch: master
Commit: 2b095beace7b457586bd33b3b1c81df116215193
URL: http://source.winehq.org/git/wine.git/?a=commit;h=2b095beace7b457586bd33b3b1c81df116215193
Author: Mohamed Mediouni <mmediouni at gmx.fr>
Date: Mon Jun 15 19:22:45 2015 +0000
ntdll: Multiply r4 with the word size in ARM for __chkstk.
---
dlls/ntdll/signal_arm.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c
index 7625d77..6509046 100644
--- a/dlls/ntdll/signal_arm.c
+++ b/dlls/ntdll/signal_arm.c
@@ -250,9 +250,10 @@ static inline void restore_fpu( CONTEXT *context, const ucontext_t *sigcontext )
/**************************************************************************
* __chkstk (NTDLL.@)
*
- * Should check if we can decrement SP by the value provided in r4, but we shouldn't need that.
+ * Incoming r4 contains words to allocate, converting to bytes then return
*/
-__ASM_GLOBAL_FUNC( __chkstk, "bx lr" )
+__ASM_GLOBAL_FUNC( __chkstk, "lsl r4, r4, #2\n\t"
+ "bx lr" )
/***********************************************************************
* RtlCaptureContext (NTDLL.@)
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