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user32: Set %ecx to address of rect in EnumDisplayMonitors callback. 

Signed-off-by: Sebastian Lackner <sebastian@fds-team.de>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Sebastian Lackner 2016-03-31 05:51:41 +02:00 committed by Alexandre Julliard
parent fbc85ddc28
commit 11f6df13eb
1 changed files with 2 additions and 0 deletions
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2
dlls/user32/misc.c
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@ -471,6 +471,7 @@ BOOL WINAPI GetMonitorInfoW(HMONITOR hMonitor, LPMONITORINFO lpMonitorInfo)
#ifdef __i386__
/* Some apps pass a non-stdcall callback to EnumDisplayMonitors,
* so we need a small assembly wrapper to call it.
* MJ's Help Diagnostic expects that %ecx contains the address to the rect.
*/
struct enumdisplaymonitors_lparam
{
@ -491,6 +492,7 @@ __ASM_STDCALL_FUNC( enumdisplaymonitors_callback_wrapper, 16,
"pushl 16(%ebp)\n\t"
"pushl 12(%ebp)\n\t"
"pushl 8(%ebp)\n\t"
"movl 16(%ebp),%ecx\n\t"
"call *(%eax)\n\t" /* call orig->proc */
"leave\n\t"
__ASM_CFI(".cfi_def_cfa %esp,4\n\t")