VirtualBox

source: vbox/trunk/src/VBox/HostDrivers/Support/SUPLibTracerA.asm@ 103914

Last change on this file since 103914 was 98103, checked in by vboxsync, 22 months ago

Copyright year updates by scm.

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File size: 10.3 KB
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1; $Id: SUPLibTracerA.asm 98103 2023-01-17 14:15:46Z vboxsync $
2;; @file
3; VirtualBox Support Library - Tracer Interface, Assembly bits.
4;
5
6;
7; Copyright (C) 2012-2023 Oracle and/or its affiliates.
8;
9; This file is part of VirtualBox base platform packages, as
10; available from https://www.virtualbox.org.
11;
12; This program is free software; you can redistribute it and/or
13; modify it under the terms of the GNU General Public License
14; as published by the Free Software Foundation, in version 3 of the
15; License.
16;
17; This program is distributed in the hope that it will be useful, but
18; WITHOUT ANY WARRANTY; without even the implied warranty of
19; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20; General Public License for more details.
21;
22; You should have received a copy of the GNU General Public License
23; along with this program; if not, see <https://www.gnu.org/licenses>.
24;
25; The contents of this file may alternatively be used under the terms
26; of the Common Development and Distribution License Version 1.0
27; (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
28; in the VirtualBox distribution, in which case the provisions of the
29; CDDL are applicable instead of those of the GPL.
30;
31; You may elect to license modified versions of this file under the
32; terms and conditions of either the GPL or the CDDL or both.
33;
34; SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
35;
36
37;*******************************************************************************
38;* Header Files *
39;*******************************************************************************
40%include "iprt/asmdefs.mac"
41%include "VBox/sup.mac"
42
43; This should go into asmdefs.mac
44%ifdef PIC
45 %ifdef ASM_FORMAT_ELF
46 %define RT_ASM_USE_GOT
47 %define RT_ASM_USE_PLT
48 %endif
49%endif
50
51
52;*******************************************************************************
53;* Structures and Typedefs *
54;*******************************************************************************
55struc SUPREQHDR
56 .u32Cookie resd 1
57 .u32SessionCookie resd 1
58 .cbIn resd 1
59 .cbOut resd 1
60 .fFlags resd 1
61 .rc resd 1
62endstruc
63
64struc SUPTRACERUMODFIREPROBE
65 .Hdr resb SUPREQHDR_size
66 .In resb SUPDRVTRACERUSRCTX64_size
67endstruc
68
69
70extern NAME(suplibTracerFireProbe)
71
72
73BEGINCODE
74
75
76;;
77; Set up a SUPTRACERUMODFIREPROBE request package on the stack and a C helper
78; function in SUPLib.cpp to do the rest.
79;
80EXPORTEDNAME SUPTracerFireProbe
81 push xBP
82 mov xBP, xSP
83
84 ;
85 ; Allocate package and set the sizes (the helper does the rest of
86 ; the header). Setting the sizes here allows the helper to verify our
87 ; idea of the request sizes.
88 ;
89 lea xSP, [xBP - SUPTRACERUMODFIREPROBE_size - 8]
90
91 mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbIn], SUPTRACERUMODFIREPROBE_size
92 mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbOut], SUPREQHDR_size
93
94%ifdef RT_ARCH_AMD64
95 ;
96 ; Save the AMD64 context.
97 ;
98 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rax], rax
99 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rcx], rcx
100 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdx], rdx
101 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbx], rbx
102 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsi], rsi
103 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdi], rdi
104 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r8 ], r8
105 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r9 ], r9
106 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r10], r10
107 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r11], r11
108 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r12], r12
109 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r13], r13
110 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r14], r14
111 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r15], r15
112 pushf
113 pop xAX
114 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rflags], xAX
115 mov xAX, [xBP + xCB]
116 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rip], xAX
117 mov xAX, [xBP]
118 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbp], xAX
119 lea xAX, [xBP + xCB*2]
120 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsp], xAX
121 %ifdef ASM_CALL64_MSC
122 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rcx
123 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*0], rdx
124 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], r8
125 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], r9
126 mov xAX, [xBP + xCB*2 + 0x20 + xCB*0]
127 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], xAX
128 mov xAX, [xBP + xCB*2 + 0x20 + xCB*1]
129 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], xAX
130 mov xAX, [xBP + xCB*2 + 0x20 + xCB*2]
131 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX
132 mov xAX, [xBP + xCB*2 + 0x20 + xCB*3]
133 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX
134 mov xAX, [xBP + xCB*2 + 0x20 + xCB*4]
135 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX
136 mov xAX, [xBP + xCB*2 + 0x20 + xCB*5]
137 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX
138 mov xAX, [xBP + xCB*2 + 0x20 + xCB*6]
139 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*9], xAX
140 mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.
141 %else
142 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rdi
143 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*0], rsi
144 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], rdx
145 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], rcx
146 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], r8
147 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], r9
148 mov xAX, [xBP + xCB*2 + xCB*0]
149 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX
150 mov xAX, [xBP + xCB*2 + xCB*1]
151 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX
152 mov xAX, [xBP + xCB*2 + xCB*2]
153 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX
154 mov xAX, [xBP + xCB*2 + xCB*3]
155 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX
156 mov xAX, [xBP + xCB*2 + xCB*4]
157 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*9], xAX
158 mov eax, [xDI + 4] ; VTGPROBELOC::idProbe.
159 %endif
160 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.idProbe], eax
161 mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.cBits], 64
162
163 ;
164 ; Call the helper.
165 ;
166 %ifdef ASM_CALL64_MSC
167 mov xDX, xSP
168 sub xSP, 0x20
169 call NAME(suplibTracerFireProbe)
170 %else
171 mov xSI, xSP
172 %ifdef RT_ASM_USE_PLT
173 call NAME(suplibTracerFireProbe) wrt ..plt
174 %else
175 call NAME(suplibTracerFireProbe)
176 %endif
177 %endif
178
179%elifdef RT_ARCH_X86
180 ;
181 ; Save the X86 context.
182 ;
183 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eax], eax
184 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ecx], ecx
185 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edx], edx
186 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebx], ebx
187 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esi], esi
188 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edi], edi
189 pushf
190 pop xAX
191 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eflags], xAX
192 mov xAX, [xBP + xCB]
193 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eip], xAX
194 mov xAX, [xBP]
195 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebp], xAX
196 lea xAX, [xBP + xCB*2]
197 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esp], xAX
198
199 mov xCX, [xBP + xCB*2 + xCB*0]
200 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.uVtgProbeLoc], xCX ; keep, used below.
201
202 mov edx, 20
203.more:
204 dec edx
205 mov xAX, [xBP + xCB*2 + xCB*xDX]
206 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.aArgs + xCB*xDX], xAX
207 jnz .more
208
209 mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.
210 mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.idProbe], eax
211 mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.cBits], 32
212
213 ;
214 ; Call the helper.
215 ;
216 mov xDX, xSP
217 push xDX
218 push xCX
219 %ifdef RT_ASM_USE_PLT
220 call NAME(suplibTracerFireProbe) wrt ..plt
221 %else
222 call NAME(suplibTracerFireProbe)
223 %endif
224%else
225 %error "Arch not supported (or correctly defined)."
226%endif
227
228
229 leave
230 ret
231ENDPROC SUPTracerFireProbe
232
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