Alexandre Julliard : ntdll: Use .seh handler in RtlUserThreadStart on ARM.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: a2e97854bf7e3bb0f26b3aae50aa870912bc3ffb
URL:    https://gitlab.winehq.org/wine/wine/-/commit/a2e97854bf7e3bb0f26b3aae50aa870...

Author: Alexandre Julliard 
Date:   Mon Dec  4 17:32:55 2023 +0100

ntdll: Use .seh handler in RtlUserThreadStart on ARM.

---

dlls/ntdll/signal_arm.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/dlls/ntdll/signal_arm.c b/dlls/ntdll/signal_arm.c
index ae355aa5a8c..33233bb3a15 100644
--- a/dlls/ntdll/signal_arm.c
+++ b/dlls/ntdll/signal_arm.c
@@ -1582,6 +1582,18 @@ USHORT WINAPI RtlCaptureStackBackTrace( ULONG skip, ULONG count, PVOID *buffer,
 /***********************************************************************
  *           RtlUserThreadStart (NTDLL.@)
  */
+#ifdef __WINE_PE_BUILD
+__ASM_GLOBAL_FUNC( RtlUserThreadStart,
+                   ".seh_endprologue\n\t"
+                   "mov r2, r1\n\t"
+                   "mov r1, r0\n\t"
+                   "mov r0, #0\n\t"
+                   "ldr ip, 1f\n\t"
+                   "ldr ip, [ip]\n\t"
+                   "blx ip\n"
+                   "1:\t.long " __ASM_NAME("pBaseThreadInitThunk") "\n\t"
+                   ".seh_handler " __ASM_NAME("call_unhandled_exception_handler") ", %except" )
+#else
 void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
 {
     __TRY
@@ -1594,6 +1606,7 @@ void WINAPI RtlUserThreadStart( PRTL_THREAD_START_ROUTINE entry, void *arg )
     }
     __ENDTRY
 }
+#endif

/******************************************************************
  *		LdrInitializeThunk (NTDLL.@)