Alexandre Julliard : ntdll: Set the initial process context on i386.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 8b929bd759334611c0c957482060168fe441cd5f
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=8b929bd759334611c0c957482060168fe441cd5f

Author: Alexandre Julliard <julliard at winehq.org>
Date:   Tue Sep 19 12:13:54 2017 +0200

ntdll: Set the initial process context on i386.

Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ntdll/signal_i386.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/signal_i386.c b/dlls/ntdll/signal_i386.c
index a373e3d..4038436 100644
--- a/dlls/ntdll/signal_i386.c
+++ b/dlls/ntdll/signal_i386.c
@@ -2600,7 +2600,20 @@ void signal_init_process( CONTEXT *context, LPTHREAD_START_ROUTINE entry )
 
     wine_ldt_init_locking( ldt_lock, ldt_unlock );
 
-    /* FIXME: set the initial context */
+    /* build the initial context */
+    context->ContextFlags = CONTEXT_FULL;
+    context->SegCs = wine_get_cs();
+    context->SegDs = wine_get_ds();
+    context->SegEs = wine_get_es();
+    context->SegFs = wine_get_fs();
+    context->SegGs = wine_get_gs();
+    context->SegSs = wine_get_ss();
+    context->Eax   = (DWORD)entry;
+    context->Ebx   = (DWORD)NtCurrentTeb()->Peb;
+    context->Esp   = (DWORD)NtCurrentTeb()->Tib.StackBase - 16;
+    context->Eip   = (DWORD)call_thread_entry_point;
+    ((void **)context->Esp)[1] = kernel32_start_process;
+    ((void **)context->Esp)[2] = entry;
     return;
 
  error: