Alexandre Julliard : ntdll:
Add a wrapper to call the thread entry point for broken apps.
Alexandre Julliard
julliard at wine.codeweavers.com
Wed Mar 14 07:25:28 CDT 2007
Module: wine
Branch: master
Commit: 7744443febb04213cf014b007a83744a66544d6c
URL: http://source.winehq.org/git/wine.git/?a=commit;h=7744443febb04213cf014b007a83744a66544d6c
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Mar 14 12:28:38 2007 +0100
ntdll: Add a wrapper to call the thread entry point for broken apps.
---
dlls/ntdll/thread.c | 25 ++++++++++++++++++++++---
1 files changed, 22 insertions(+), 3 deletions(-)
diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index 9656331..d0871a1 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -349,6 +349,26 @@ static PUNHANDLED_EXCEPTION_FILTER get_unhandled_exception_filter(void)
return unhandled_exception_filter;
}
+#ifdef __i386__
+/* wrapper for apps that don't declare the thread function correctly */
+extern DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg );
+__ASM_GLOBAL_FUNC(call_thread_entry_point,
+ "pushl %ebp\n\t"
+ "movl %esp,%ebp\n\t"
+ "subl $4,%esp\n\t"
+ "pushl 12(%ebp)\n\t"
+ "movl 8(%ebp),%eax\n\t"
+ "call *%eax\n\t"
+ "leave\n\t"
+ "ret" );
+#else
+static inline DWORD call_thread_entry_point( PRTL_THREAD_START_ROUTINE entry, void *arg )
+{
+ LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)rtl_func;
+ return func( arg );
+}
+#endif
+
/***********************************************************************
* call_thread_func
*
@@ -356,16 +376,15 @@ static PUNHANDLED_EXCEPTION_FILTER get_unhandled_exception_filter(void)
*/
static void DECLSPEC_NORETURN call_thread_func( PRTL_THREAD_START_ROUTINE rtl_func, void *arg )
{
- LPTHREAD_START_ROUTINE func = (LPTHREAD_START_ROUTINE)rtl_func;
DWORD exit_code;
BOOL last;
MODULE_DllThreadAttach( NULL );
if (TRACE_ON(relay))
- DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), func, arg );
+ DPRINTF( "%04x:Starting thread proc %p (arg=%p)\n", GetCurrentThreadId(), rtl_func, arg );
- exit_code = func( arg );
+ exit_code = call_thread_entry_point( rtl_func, arg );
/* send the exit code to the server */
SERVER_START_REQ( terminate_thread )
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