VirtualBox

source: vbox/trunk/src/VBox/VMM/VMMRC/VMMRC.mac@ 62534

Last change on this file since 62534 was 62478, checked in by vboxsync, 8 years ago

(C) 2016

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File size: 4.7 KB
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1; $Id: VMMRC.mac 62478 2016-07-22 18:29:06Z vboxsync $
2;; @file
3; VMMRC - Raw-mode Context Assembly Macros.
4;
5
6;
7; Copyright (C) 2006-2016 Oracle Corporation
8;
9; This file is part of VirtualBox Open Source Edition (OSE), as
10; available from http://www.virtualbox.org. This file is free software;
11; you can redistribute it and/or modify it under the terms of the GNU
12; General Public License (GPL) as published by the Free Software
13; Foundation, in version 2 as it comes in the "COPYING" file of the
14; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16;
17
18%ifndef __VMMRC_mac__
19%define __VMMRC_mac__
20
21%include "VBox/asmdefs.mac"
22
23
24;; @def VMMR0_SEG
25; Set the output segment to one of the special VMMR0 segments.
26; @param %1 The segment name.
27; @remark Use BEGINCODE to switch back to the code segment.
28
29;; @def VMMR0_SEG_CODE
30; Set the output segment to one of the special VMMR0 code segments.
31; @param %1 The segment name.
32%ifdef ASM_FORMAT_OMF
33 %macro VMMR0_SEG 1
34 segment VMMR0.%1 public CLASS=CONST align=1 use32 flat
35 %endmacro
36
37 %macro VMMR0_CODE_SEG 1
38 segment VMMR0.%1 public CLASS=CODE align=16 use32 flat
39 %endmacro
40%endif
41
42%ifdef ASM_FORMAT_ELF
43 %macro VMMR0_SEG 1
44 %ifndef DEFINED_VMMR0_SEG.%1
45 %define DEFINED_VMMR0_SEG.%1 1
46 [section .VMMR0.%1 progbits alloc noexec nowrite align=1 ]
47 %else
48 [section .VMMR0.%1 ]
49 %endif
50 %endmacro
51
52 %macro VMMR0_CODE_SEG 1
53 %ifndef DEFINED_VMMR0_CODE_SEG.%1
54 %define DEFINED_VMMR0_CODE_SEG.%1 1
55 [section .VMMR0.%1 progbits alloc exec nowrite align=16 ]
56 %else
57 [section .VMMR0.%1 ]
58 %endif
59 %endmacro
60%endif
61
62%ifdef ASM_FORMAT_MACHO
63 %ifdef __YASM__
64 %macro VMMR0_SEG 1
65 %ifndef DEFINED_VMMR0_SEG.%1
66 %define DEFINED_VMMR0_SEG.%1 1
67 [section VMMR0 %1 align=1 ]
68 %else
69 [section VMMR0 %1 ]
70 %endif
71 %endmacro
72 %else
73 %macro VMMR0_SEG 1
74 [section VMMR0.%1 rdata align=1 ]
75 %endmacro
76 %endif
77
78 %ifdef __YASM__
79 %macro VMMR0_CODE_SEG 1
80 %ifndef DEFINED_VMMR0_CODE_SEG.%1
81 %define DEFINED_VMMR0_CODE_SEG.%1 1
82 [section VMMR0 %1 exec align=16 ]
83 %else
84 [section VMMR0 %1 ]
85 %endif
86 %endmacro
87 %else
88 %macro VMMR0_CODE_SEG 1
89 [section VMMR0.%1 exec align=16 ]
90 %endmacro
91 %endif
92%endif
93
94%ifdef ASM_FORMAT_PE
95 %macro VMMR0_SEG 1
96 %ifndef DEFINED_VMMR0_SEG.%1
97 %define DEFINED_VMMR0_SEG.%1 1
98 [section .rdata$VMMR0.%1 align=1 ]
99 %else
100 [section .rdata$VMMR0.%1]
101 %endif
102 %endmacro
103
104 %macro VMMR0_CODE_SEG 1
105 %ifndef DEFINED_VMMR0_CODE_SEG.%1
106 %define DEFINED_VMMR0_CODE_SEG.%1 1
107 [section .text$VMMR0.%1 align=16 ]
108 %else
109 [section .text$VMMR0.%1]
110 %endif
111 %endmacro
112%endif
113
114%ifnmacro VMMR0_SEG
115 %error "VMMR0_CODE_SEG / ASM_FORMAT_xxx"
116%endif
117%ifnmacro VMMR0_CODE_SEG
118 %error "VMMR0_CODE_SEG / ASM_FORMAT_xxx"
119%endif
120
121
122;; @def TRPM_HANDLER
123; Sets up a trap handler.
124;
125; @param %1 The segment name.
126; @param %2 The end address. Use 0 to just handle one instruction.
127; @param %3 Address of the handler function.
128; @param %4 The user data member.
129%macro TRPM_HANDLER 4
130
131VMMR0_SEG %1 ; switch to the record segment.
132
133 dd %%current_instr ; uStartEip
134 dd %2 ; uEndEip
135 dd %3 ; pfnHandler
136 dd %4 ; pvUser
137
138BEGINCODE ; back to the code segment.
139%%current_instr:
140
141%endmacro
142
143;; @def TRPM_NP_HANDLER
144; Sets up a segment not present fault handler for the current (=next) instruction.
145;
146; @param %1 Address of the handler function.
147; @param %2 The user data member.
148%macro TRPM_NP_HANDLER 2
149TRPM_HANDLER Trap0b, 0, %1, %2
150%endmacro
151
152
153;; @def TRPM_GP_HANDLER
154; Sets up a general protection fault handler for the current (=next) instruction.
155;
156; @param %1 Address of the handler function.
157; @param %2 The user data member.
158%macro TRPM_GP_HANDLER 2
159TRPM_HANDLER Trap0d, 0, %1, %2
160%endmacro
161
162
163;; @def TRPM_PF_HANDLER
164; Sets up a page fault handler for the current (=next) instruction.
165;
166; @param %1 Address of the handler function.
167; @param %2 The user data member.
168%macro TRPM_PF_HANDLER 2
169TRPM_HANDLER Trap0e, 0, %1, %2
170%endmacro
171
172
173;; @def TRPM_NP_GP_HANDLER
174; Sets up a segment not present fault and general protection fault handler
175; for the current (=next) instruction.
176;
177; @param %1 Address of the handler function.
178; @param %2 The user data member.
179%macro TRPM_NP_GP_HANDLER 2
180TRPM_HANDLER Trap0b, 0, %1, %2
181TRPM_HANDLER Trap0d, 0, %1, %2
182%endmacro
183
184
185
186;; @def PATCH_HLP_SEG
187; Set the output segment a special code segment for patch helpers (runs in ring-1 or ring-2).
188; @param %1 The segment name.
189; @remark Use BEGINCODE to switch back to the code segment.
190%macro BEGIN_PATCH_HLP_SEG 0
191VMMR0_CODE_SEG PatchHlp
192%endmacro
193
194%endif
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