1 | ; $Id: SUPLibTracerA.asm 46548 2013-06-14 09:42:21Z 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 Oracle Corporation
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8 | ;
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9 | ; This file is part of VirtualBox Open Source Edition (OSE), as
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10 | ; available from http://www.virtualbox.org. This file is free software;
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11 | ; you can redistribute it and/or modify it under the terms of the GNU
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12 | ; General Public License (GPL) as published by the Free Software
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13 | ; Foundation, in version 2 as it comes in the "COPYING" file of the
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14 | ; VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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15 | ; hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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16 | ;
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17 | ; The contents of this file may alternatively be used under the terms
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18 | ; of the Common Development and Distribution License Version 1.0
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19 | ; (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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20 | ; VirtualBox OSE distribution, in which case the provisions of the
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21 | ; CDDL are applicable instead of those of the GPL.
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22 | ;
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23 | ; You may elect to license modified versions of this file under the
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24 | ; terms and conditions of either the GPL or the CDDL or both.
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25 | ;
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26 |
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27 | ;*******************************************************************************
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28 | ;* Header Files *
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29 | ;*******************************************************************************
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30 | %include "iprt/asmdefs.mac"
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31 | %include "VBox/sup.mac"
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32 |
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33 | ; This should go into asmdefs.mac
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34 | %ifdef PIC
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35 | %ifdef ASM_FORMAT_ELF
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36 | %define RT_ASM_USE_GOT
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37 | %define RT_ASM_USE_PLT
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38 | %endif
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39 | %endif
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40 |
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41 |
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42 | ;*******************************************************************************
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43 | ;* Structures and Typedefs *
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44 | ;*******************************************************************************
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45 | struc SUPREQHDR
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46 | .u32Cookie resd 1
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47 | .u32SessionCookie resd 1
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48 | .cbIn resd 1
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49 | .cbOut resd 1
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50 | .fFlags resd 1
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51 | .rc resd 1
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52 | endstruc
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53 |
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54 | struc SUPTRACERUMODFIREPROBE
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55 | .Hdr resb SUPREQHDR_size
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56 | .In resb SUPDRVTRACERUSRCTX64_size
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57 | endstruc
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58 |
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59 |
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60 | extern NAME(suplibTracerFireProbe)
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61 |
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62 |
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63 | BEGINCODE
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64 |
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65 |
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66 | ;;
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67 | ; Set up a SUPTRACERUMODFIREPROBE request package on the stack and a C helper
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68 | ; function in SUPLib.cpp to do the rest.
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69 | ;
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70 | EXPORTEDNAME SUPTracerFireProbe
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71 | push xBP
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72 | mov xBP, xSP
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73 |
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74 | ;
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75 | ; Allocate package and set the sizes (the helper does the rest of
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76 | ; the header). Setting the sizes here allows the helper to verify our
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77 | ; idea of the request sizes.
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78 | ;
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79 | lea xSP, [xBP - SUPTRACERUMODFIREPROBE_size - 8]
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80 |
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81 | mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbIn], SUPTRACERUMODFIREPROBE_size
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82 | mov dword [xSP + SUPTRACERUMODFIREPROBE.Hdr + SUPREQHDR.cbOut], SUPREQHDR_size
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83 |
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84 | %ifdef RT_ARCH_AMD64
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85 | ;
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86 | ; Save the AMD64 context.
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87 | ;
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88 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rax], rax
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89 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rcx], rcx
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90 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdx], rdx
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91 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbx], rbx
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92 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsi], rsi
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93 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rdi], rdi
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94 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r8 ], r8
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95 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r9 ], r9
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96 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r10], r10
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97 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r11], r11
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98 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r12], r12
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99 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r13], r13
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100 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r14], r14
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101 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.r15], r15
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102 | pushf
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103 | pop xAX
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104 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rflags], xAX
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105 | mov xAX, [xBP + xCB]
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106 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rip], xAX
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107 | mov xAX, [xBP]
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108 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rbp], xAX
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109 | lea xAX, [xBP + xCB*2]
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110 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.rsp], xAX
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111 | %ifdef ASM_CALL64_MSC
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112 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rcx
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113 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*0], rdx
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114 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], r8
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115 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], r9
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116 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*0]
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117 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], xAX
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118 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*1]
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119 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], xAX
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120 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*2]
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121 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX
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122 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*3]
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123 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX
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124 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*4]
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125 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX
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126 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*5]
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127 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX
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128 | mov xAX, [xBP + xCB*2 + 0x20 + xCB*6]
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129 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*9], xAX
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130 | mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.
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131 | %else
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132 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.uVtgProbeLoc], rdi
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133 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*0], rsi
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134 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*1], rdx
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135 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*2], rcx
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136 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*3], r8
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137 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*4], r9
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138 | mov xAX, [xBP + xCB*2 + xCB*0]
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139 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*5], xAX
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140 | mov xAX, [xBP + xCB*2 + xCB*1]
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141 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*6], xAX
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142 | mov xAX, [xBP + xCB*2 + xCB*2]
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143 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*7], xAX
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144 | mov xAX, [xBP + xCB*2 + xCB*3]
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145 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*8], xAX
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146 | mov xAX, [xBP + xCB*2 + xCB*4]
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147 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.u.Amd64.aArgs + xCB*9], xAX
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148 | mov eax, [xDI + 4] ; VTGPROBELOC::idProbe.
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149 | %endif
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150 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.idProbe], eax
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151 | mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX64.cBits], 64
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152 |
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153 | ;
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154 | ; Call the helper.
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155 | ;
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156 | %ifdef ASM_CALL64_MSC
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157 | mov xDX, xSP
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158 | sub xSP, 0x20
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159 | call NAME(suplibTracerFireProbe)
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160 | %else
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161 | mov xSI, xSP
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162 | %ifdef RT_ASM_USE_PLT
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163 | call NAME(suplibTracerFireProbe) wrt ..plt
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164 | %else
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165 | call NAME(suplibTracerFireProbe)
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166 | %endif
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167 | %endif
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168 |
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169 | %elifdef RT_ARCH_X86
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170 | ;
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171 | ; Save the X86 context.
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172 | ;
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173 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eax], eax
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174 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ecx], ecx
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175 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edx], edx
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176 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebx], ebx
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177 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esi], esi
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178 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.edi], edi
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179 | pushf
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180 | pop xAX
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181 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eflags], xAX
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182 | mov xAX, [xBP + xCB]
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183 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.eip], xAX
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184 | mov xAX, [xBP]
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185 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.ebp], xAX
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186 | lea xAX, [xBP + xCB*2]
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187 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.esp], xAX
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188 |
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189 | mov xCX, [xBP + xCB*2 + xCB*0]
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190 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.uVtgProbeLoc], xCX ; keep, used below.
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191 |
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192 | mov edx, 20
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193 | .more:
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194 | dec edx
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195 | mov xAX, [xBP + xCB*2 + xCB*xDX]
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196 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.u.X86.aArgs + xCB*xDX], xAX
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197 | jnz .more
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198 |
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199 | mov eax, [xCX + 4] ; VTGPROBELOC::idProbe.
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200 | mov [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.idProbe], eax
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201 | mov dword [xSP + SUPTRACERUMODFIREPROBE.In + SUPDRVTRACERUSRCTX32.cBits], 32
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202 |
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203 | ;
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204 | ; Call the helper.
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205 | ;
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206 | mov xDX, xSP
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207 | push xDX
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208 | push xCX
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209 | %ifdef RT_ASM_USE_PLT
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210 | call NAME(suplibTracerFireProbe) wrt ..plt
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211 | %else
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212 | call NAME(suplibTracerFireProbe)
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213 | %endif
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214 | %else
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215 | %error "Arch not supported (or correctly defined)."
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216 | %endif
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217 |
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218 |
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219 | leave
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220 | ret
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221 | ENDPROC SUPTracerFireProbe
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222 |
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223 |
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