ntdll: Do not force 2G stack limit for the main thread of 64 bit process.

Signed-off-by: Paul Gofman <pgofman@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

ntdll: Do not force 2G stack limit for the main thread of 64 bit process.
3033e090 · Paul Gofman · Alexandre Julliard · b3d25fbe · 3033e090 · 3033e090
Commit 3033e090 authored Feb 23, 2022 by Paul Gofman Committed by Alexandre Julliard Feb 23, 2022
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loader.c dlls/ntdll/unix/loader.c +1 -1

thread.c dlls/ntdll/unix/thread.c +2 -1

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--- a/dlls/ntdll/unix/loader.c
+++ b/dlls/ntdll/unix/loader.c
@@ -2169,7 +2169,7 @@ static void start_main_thread(void)
    if (p___wine_main_wargv) *p___wine_main_wargv = main_wargv;
    *(ULONG_PTR *)&peb->CloudFileFlags = get_image_address();
    set_load_order_app_name( main_wargv[0] );
-    init_thread_stack( teb, is_win64 ? 0x7fffffff : 0, 0, 0 );
+    init_thread_stack( teb, 0, 0, 0 );
    NtCreateKeyedEvent( &keyed_event, GENERIC_READ | GENERIC_WRITE, NULL, 0 );
    load_ntdll();
    if (main_image_info.Machine != current_machine) load_wow64_ntdll( main_image_info.Machine );

--- a/dlls/ntdll/unix/thread.c
+++ b/dlls/ntdll/unix/thread.c
@@ -1156,7 +1156,8 @@ NTSTATUS init_thread_stack( TEB *teb, ULONG_PTR zero_bits, SIZE_T reserve_size, 

 #ifdef _WIN64
        /* 32-bit stack */
-        if ((status = virtual_alloc_thread_stack( &stack, zero_bits, reserve_size, commit_size, 0 )))
+        if ((status = virtual_alloc_thread_stack( &stack, zero_bits ? zero_bits : 0x7fffffff,
+                                                  reserve_size, commit_size, 0 )))
            return status;
        wow_teb->Tib.StackBase = PtrToUlong( stack.StackBase );
        wow_teb->Tib.StackLimit = PtrToUlong( stack.StackLimit );