1 files changed, 70 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/asm/ASMAddFlags.asm b/src/VBox/Runtime/common/asm/ASMAddFlags.asm
new file mode 100644
index 00000000..4eafd2ad
--- /dev/null
+++ b/src/VBox/Runtime/common/asm/ASMAddFlags.asm
@@ -0,0 +1,70 @@
+; $Id: ASMAddFlags.asm $
+;; @file
+; IPRT - ASMSetFlags().
+;
+
+;
+; Copyright (C) 2006-2020 Oracle Corporation
+;
+; This file is part of VirtualBox Open Source Edition (OSE), as
+; available from http://www.virtualbox.org. This file is free software;
+; you can redistribute it and/or modify it under the terms of the GNU
+; General Public License (GPL) as published by the Free Software
+; Foundation, in version 2 as it comes in the "COPYING" file of the
+; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+;
+; The contents of this file may alternatively be used under the terms
+; of the Common Development and Distribution License Version 1.0
+; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+; VirtualBox OSE distribution, in which case the provisions of the
+; CDDL are applicable instead of those of the GPL.
+;
+; You may elect to license modified versions of this file under the
+; terms and conditions of either the GPL or the CDDL or both.
+;
+
+
+;*******************************************************************************
+;* Header Files                                                                *
+;*******************************************************************************
+%include "iprt/asmdefs.mac"
+
+BEGINCODE
+
+;;
+; @param rcx/rdi  eflags to add
+BEGINPROC_EXPORTED ASMAddFlags
+%if    ARCH_BITS == 64
+        pushfq
+        mov     rax, [rsp]
+ %ifdef ASM_CALL64_GCC
+        or      rdi, rax
+        mov     [rsp], rdi
+ %else
+        or      rcx, rax
+        mov     [rsp], rcx
+ %endif
+        popfq
+%elif  ARCH_BITS == 32
+        mov     ecx, [esp + 4]
+        pushfd
+        mov     eax, [esp]
+        or      ecx, eax
+        mov     [esp], ecx
+        popfd
+%elif  ARCH_BITS == 16
+        push    bp
+        mov     bp, sp
+        pushf
+        pop     ax
+        push    word [bp + 2 + 2]
+        or      [bp - 2], ax
+        popf
+        leave
+%else
+ %error ARCH_BITS
+%endif
+        ret
+ENDPROC ASMAddFlags
+