| 1 | ; $Id: exceptionsR3-asm.asm 106061 2024-09-16 14:03:52Z vboxsync $
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| 2 | ;; @file
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| 3 | ; exceptionsR3-asm.asm - assembly helpers.
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| 4 | ;
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| 5 |
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| 6 | ;
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| 7 | ; Copyright (C) 2009-2024 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 | ;*******************************************************************************
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| 39 | ;* Header Files *
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| 40 | ;*******************************************************************************
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| 41 | %include "iprt/asmdefs.mac"
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| 42 |
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| 43 |
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| 44 | ;*******************************************************************************
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| 45 | ;* Defined Constants And Macros *
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| 46 | ;*******************************************************************************
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| 47 | %ifdef RT_ARCH_AMD64
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| 48 | %define TST_XCPT_MAGIC 0123456789abcdef0h
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| 49 | %else
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| 50 | %define TST_XCPT_MAGIC 012345678h
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| 51 | %endif
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| 52 |
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| 53 | %macro tstXcptAsmProlog 0
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| 54 | push xBP
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| 55 | push xDI
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| 56 | push xSI
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| 57 | push xBX
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| 58 | %ifdef RT_ARCH_X86
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| 59 | push gs
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| 60 | push fs
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| 61 | push es
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| 62 | push ds
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| 63 | %endif
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| 64 | %ifdef RT_ARCH_AMD64
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| 65 | push r10
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| 66 | push r11
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| 67 | push r12
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| 68 | push r13
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| 69 | push r14
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| 70 | push r15
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| 71 | %endif
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| 72 |
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| 73 | mov xAX, TST_XCPT_MAGIC
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| 74 | mov xBX, xAX
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| 75 | mov xCX, xAX
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| 76 | mov xDX, xAX
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| 77 | mov xDI, xAX
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| 78 | mov xSI, xAX
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| 79 | mov xBP, xAX
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| 80 | %ifdef RT_ARCH_AMD64
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| 81 | mov r8, xAX
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| 82 | mov r9, xAX
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| 83 | mov r10, xAX
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| 84 | mov r11, xAX
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| 85 | mov r12, xAX
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| 86 | mov r13, xAX
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| 87 | mov r14, xAX
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| 88 | mov r15, xAX
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| 89 | %endif
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| 90 | %endmacro
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| 91 |
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| 92 | %macro tstXcptAsmEpilog 0
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| 93 | %ifdef RT_ARCH_AMD64
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| 94 | pop r15
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| 95 | pop r14
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| 96 | pop r13
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| 97 | pop r12
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| 98 | pop r11
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| 99 | pop r10
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| 100 | %endif
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| 101 | %ifdef RT_ARCH_X86
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| 102 | pop ds
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| 103 | pop es
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| 104 | pop fs
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| 105 | pop gs
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| 106 | %endif
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| 107 | pop xBX
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| 108 | pop xSI
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| 109 | pop xDI
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| 110 | pop xBP
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| 111 | %endmacro
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| 112 |
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| 113 |
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| 114 | BEGINCODE
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| 115 |
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| 116 | ;;
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| 117 | BEGINPROC tstXcptAsmNullPtrRead
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| 118 | ; tstXcptAsmProlog
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| 119 | xor eax, eax
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| 120 | GLOBALNAME tstXcptAsmNullPtrRead_PC
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| 121 | mov al, [xAX]
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| 122 | ; tstXcptAsmEpilog
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| 123 | ret
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| 124 | ENDPROC tstXcptAsmNullPtrRead
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| 125 |
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| 126 |
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| 127 | ;;
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| 128 | BEGINPROC tstXcptAsmNullPtrWrite
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| 129 | tstXcptAsmProlog
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| 130 | xor eax, eax
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| 131 | GLOBALNAME tstXcptAsmNullPtrWrite_PC
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| 132 | mov [xAX], al
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| 133 | tstXcptAsmEpilog
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| 134 | ret
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| 135 | ENDPROC tstXcptAsmNullPtrWrite
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| 136 |
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| 137 |
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| 138 | ;;
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| 139 | BEGINPROC tstXcptAsmSysCall
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| 140 | tstXcptAsmProlog
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| 141 | GLOBALNAME tstXcptAsmSysCall_PC
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| 142 | syscall
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| 143 | tstXcptAsmEpilog
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| 144 | ret
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| 145 | ENDPROC tstXcptAsmSysCall
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| 146 |
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| 147 |
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| 148 | ;;
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| 149 | BEGINPROC tstXcptAsmSysEnter
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| 150 | tstXcptAsmProlog
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| 151 | GLOBALNAME tstXcptAsmSysEnter_PC
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| 152 | %ifdef RT_ARCH_AMD64
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| 153 | db 00fh, 034h ; test this on 64-bit, yasm complains...
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| 154 | %else
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| 155 | sysenter
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| 156 | %endif
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| 157 | tstXcptAsmEpilog
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| 158 | ret
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| 159 | ENDPROC tstXcptAsmSysEnter
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| 160 |
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