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|
; $Id: exceptionsR3-asm.asm $
;; @file
; exceptionsR3-asm.asm - assembly helpers.
;
;
; Copyright (C) 2009-2023 Oracle and/or its affiliates.
;
; This file is part of VirtualBox base platform packages, as
; available from https://www.virtualbox.org.
;
; This program is free software; you can redistribute it and/or
; modify it under the terms of the GNU General Public License
; as published by the Free Software Foundation, in version 3 of the
; License.
;
; This program is distributed in the hope that it will be useful, but
; WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
; General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program; if not, see <https://www.gnu.org/licenses>.
;
; The contents of this file may alternatively be used under the terms
; of the Common Development and Distribution License Version 1.0
; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
; in the VirtualBox 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.
;
; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
;
;*******************************************************************************
;* Header Files *
;*******************************************************************************
%include "iprt/asmdefs.mac"
;*******************************************************************************
;* Defined Constants And Macros *
;*******************************************************************************
%ifdef RT_ARCH_AMD64
%define TST_XCPT_MAGIC 0123456789abcdef0h
%else
%define TST_XCPT_MAGIC 012345678h
%endif
%macro tstXcptAsmProlog 0
push xBP
push xDI
push xSI
push xBX
%ifdef RT_ARCH_X86
push gs
push fs
push es
push ds
%endif
%ifdef RT_ARCH_AMD64
push r10
push r11
push r12
push r13
push r14
push r15
%endif
mov xAX, TST_XCPT_MAGIC
mov xBX, xAX
mov xCX, xAX
mov xDX, xAX
mov xDI, xAX
mov xSI, xAX
mov xBP, xAX
%ifdef RT_ARCH_AMD64
mov r8, xAX
mov r9, xAX
mov r10, xAX
mov r11, xAX
mov r12, xAX
mov r13, xAX
mov r14, xAX
mov r15, xAX
%endif
%endmacro
%macro tstXcptAsmEpilog 0
%ifdef RT_ARCH_AMD64
pop r15
pop r14
pop r13
pop r12
pop r11
pop r10
%endif
%ifdef RT_ARCH_X86
pop ds
pop es
pop fs
pop gs
%endif
pop xBX
pop xSI
pop xDI
pop xBP
%endmacro
BEGINCODE
;;
BEGINPROC tstXcptAsmNullPtrRead
; tstXcptAsmProlog
xor eax, eax
GLOBALNAME tstXcptAsmNullPtrRead_PC
mov al, [xAX]
; tstXcptAsmEpilog
ret
ENDPROC tstXcptAsmNullPtrRead
;;
BEGINPROC tstXcptAsmNullPtrWrite
tstXcptAsmProlog
xor eax, eax
GLOBALNAME tstXcptAsmNullPtrWrite_PC
mov [xAX], al
tstXcptAsmEpilog
ret
ENDPROC tstXcptAsmNullPtrWrite
;;
BEGINPROC tstXcptAsmSysCall
tstXcptAsmProlog
GLOBALNAME tstXcptAsmSysCall_PC
syscall
tstXcptAsmEpilog
ret
ENDPROC tstXcptAsmSysCall
;;
BEGINPROC tstXcptAsmSysEnter
tstXcptAsmProlog
GLOBALNAME tstXcptAsmSysEnter_PC
%ifdef RT_ARCH_AMD64
db 00fh, 034h ; test this on 64-bit, yasm complains...
%else
sysenter
%endif
tstXcptAsmEpilog
ret
ENDPROC tstXcptAsmSysEnter
|
