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