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|
; $Id: VMMRC.mac $
;; @file
; VMMGC - Raw-mode Context Assembly Macros.
;
;
; Copyright (C) 2006-2012 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.
;
%ifndef __VMMGC_mac__
%define __VMMGC_mac__
%include "VBox/asmdefs.mac"
;; @def VMMR0_SEG
; Set the output segment to one of the special VMMR0 segments.
; @param %1 The segment name.
; @remark Use BEGINCODE to switch back to the code segment.
%ifdef ASM_FORMAT_OMF
%macro VMMR0_SEG 1
segment VMMR0.%1 public CLASS=CONST align=1 use32
%endmacro
%define VMMR0_SEG_DEFINED
%endif
%ifdef ASM_FORMAT_ELF
%macro VMMR0_SEG 1
%ifndef DEFINED_VMMR0_SEG.%1
%define DEFINED_VMMR0_SEG.%1 1
[section .VMMR0.%1 progbits alloc noexec nowrite align=1 ]
%else
[section .VMMR0.%1 ]
%endif
%endmacro
%define VMMR0_SEG_DEFINED
%endif
%ifdef ASM_FORMAT_MACHO
%ifdef __YASM__
%macro VMMR0_SEG 1
%ifndef DEFINED_VMMR0_SEG.%1
%define DEFINED_VMMR0_SEG.%1 1
[section VMMR0 %1 align=1 ]
%else
[section VMMR0 %1 ]
%endif
%endmacro
%else
%macro VMMR0_SEG 1
[section VMMR0.%1 rdata align=1 ]
%endmacro
%endif
%define VMMR0_SEG_DEFINED
%endif
%ifdef ASM_FORMAT_PE
%macro VMMR0_SEG 1
[section .rdata$VMMR0.%1 align=1 ]
%endmacro
%define VMMR0_SEG_DEFINED
%endif
%ifndef VMMR0_SEG_DEFINED
%error "VMMR0_SEG / ASM_FORMAT_xxx"
%endif
;; @def TRPM_HANDLER
; Sets up a trap handler.
;
; @param %1 The segment name.
; @param %2 The end address. Use 0 to just handle one instruction.
; @param %3 Address of the handler function.
; @param %4 The user data member.
%macro TRPM_HANDLER 4
VMMR0_SEG %1 ; switch to the record segment.
dd %%current_instr ; uStartEip
dd %2 ; uEndEip
dd %3 ; pfnHandler
dd %4 ; pvUser
BEGINCODE ; back to the code segment.
%%current_instr:
%endmacro
;; @def TRPM_NP_HANDLER
; Sets up a segment not present fault handler for the current (=next) instruction.
;
; @param %1 Address of the handler function.
; @param %2 The user data member.
%macro TRPM_NP_HANDLER 2
TRPM_HANDLER Trap0b, 0, %1, %2
%endmacro
;; @def TRPM_GP_HANDLER
; Sets up a general protection fault handler for the current (=next) instruction.
;
; @param %1 Address of the handler function.
; @param %2 The user data member.
%macro TRPM_GP_HANDLER 2
TRPM_HANDLER Trap0d, 0, %1, %2
%endmacro
;; @def TRPM_PF_HANDLER
; Sets up a page fault handler for the current (=next) instruction.
;
; @param %1 Address of the handler function.
; @param %2 The user data member.
%macro TRPM_PF_HANDLER 2
TRPM_HANDLER Trap0e, 0, %1, %2
%endmacro
;; @def TRPM_NP_GP_HANDLER
; Sets up a segment not present fault and general protection fault handler
; for the current (=next) instruction.
;
; @param %1 Address of the handler function.
; @param %2 The user data member.
%macro TRPM_NP_GP_HANDLER 2
TRPM_HANDLER Trap0b, 0, %1, %2
TRPM_HANDLER Trap0d, 0, %1, %2
%endmacro
%endif
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