Alexandre Julliard : wow64: Initialize the syscall dispatcher in the 32-bit TEB.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 3e0c21bed182782dfced05b591b972806a2d1727
URL:    https://gitlab.winehq.org/wine/wine/-/commit/3e0c21bed182782dfced05b591b9728...

Author: Alexandre Julliard 
Date:   Tue Dec 19 11:57:40 2023 +0100

wow64: Initialize the syscall dispatcher in the 32-bit TEB.

---

dlls/wow64/syscall.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/dlls/wow64/syscall.c b/dlls/wow64/syscall.c
index 2af7bf75de2..db51948057f 100644
--- a/dlls/wow64/syscall.c
+++ b/dlls/wow64/syscall.c
@@ -827,8 +827,10 @@ static DWORD WINAPI process_init( RTL_RUN_ONCE *once, void *param, void **contex
  */
 static void thread_init(void)
 {
+    TEB32 *teb32 = (TEB32 *)((char *)NtCurrentTeb() + NtCurrentTeb()->WowTebOffset);
     void *cpu_area_ctx;

+    teb32->WOW32Reserved = PtrToUlong( pBTCpuGetBopCode() );
     RtlWow64GetCurrentCpuArea( NULL, &cpu_area_ctx, NULL );
     NtCurrentTeb()->TlsSlots[WOW64_TLS_WOW64INFO] = wow64info;
     if (pBTCpuThreadInit) pBTCpuThreadInit();