Alexandre Julliard : ntdll: Allocate TEBs and stacks in the low 2G.
Alexandre Julliard
julliard at winehq.org
Tue Apr 27 16:08:58 CDT 2021
Module: wine
Branch: master
Commit: 789c1db18a4e192425da3771cac4726cda77130b
URL: https://source.winehq.org/git/wine.git/?a=commit;h=789c1db18a4e192425da3771cac4726cda77130b
Author: Alexandre Julliard <julliard at winehq.org>
Date: Tue Apr 27 13:00:40 2021 +0200
ntdll: Allocate TEBs and stacks in the low 2G.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/ntdll/unix/virtual.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/dlls/ntdll/unix/virtual.c b/dlls/ntdll/unix/virtual.c
index 182f9089dbf..14c984b27bf 100644
--- a/dlls/ntdll/unix/virtual.c
+++ b/dlls/ntdll/unix/virtual.c
@@ -2907,7 +2907,7 @@ TEB *virtual_alloc_first_teb(void)
exit(1);
}
- NtAllocateVirtualMemory( NtCurrentProcess(), &teb_block, 0, &total,
+ NtAllocateVirtualMemory( NtCurrentProcess(), &teb_block, is_win64 ? 0x7fffffff : 0, &total,
MEM_RESERVE | MEM_TOP_DOWN, PAGE_READWRITE );
teb_block_pos = 30;
ptr = (char *)teb_block + 30 * block_size;
@@ -2944,8 +2944,8 @@ NTSTATUS virtual_alloc_teb( TEB **ret_teb )
{
SIZE_T total = 32 * block_size;
- if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, 0, &total,
- MEM_RESERVE, PAGE_READWRITE )))
+ if ((status = NtAllocateVirtualMemory( NtCurrentProcess(), &ptr, is_win64 ? 0x7fffffff : 0,
+ &total, MEM_RESERVE, PAGE_READWRITE )))
{
server_leave_uninterrupted_section( &virtual_mutex, &sigset );
return status;
@@ -3060,7 +3060,7 @@ NTSTATUS virtual_alloc_thread_stack( INITIAL_TEB *stack, SIZE_T reserve_size, SI
server_enter_uninterrupted_section( &virtual_mutex, &sigset );
if ((status = map_view( &view, NULL, size + extra_size, FALSE,
- VPROT_READ | VPROT_WRITE | VPROT_COMMITTED, 0 )) != STATUS_SUCCESS)
+ VPROT_READ | VPROT_WRITE | VPROT_COMMITTED, 33 )) != STATUS_SUCCESS)
goto done;
#ifdef VALGRIND_STACK_REGISTER
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