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Rev | Author | Line No. | Line |
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2288 | clevermous | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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7965 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2020. All rights reserved. ;; |
6502 | pathoswith | 4 | ;; Distributed under terms of the GNU General Public License. ;; |
2288 | clevermous | 5 | ;; ;; |
6 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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7 | |||
8 | $Revision: 8680 $ |
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9 | |||
10 | |||
7136 | dunkaist | 11 | DRV_COMPAT = 5 ;minimal required drivers version |
12 | DRV_CURRENT = 6 ;current drivers model version |
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2288 | clevermous | 13 | |
7136 | dunkaist | 14 | DRV_VERSION = (DRV_COMPAT shl 16) or DRV_CURRENT |
15 | PID_KERNEL = 1 ;os_idle thread |
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2288 | clevermous | 16 | |
17 | |||
18 | |||
19 | align 4 |
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20 | proc get_notify stdcall, p_ev:dword |
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21 | |||
22 | .wait: |
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23 | mov ebx, [current_slot] |
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24 | test dword [ebx+APPDATA.event_mask], EVENT_NOTIFY |
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25 | jz @f |
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26 | and dword [ebx+APPDATA.event_mask], not EVENT_NOTIFY |
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27 | mov edi, [p_ev] |
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28 | mov dword [edi], EV_INTR |
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29 | mov eax, [ebx+APPDATA.event] |
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30 | mov dword [edi+4], eax |
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31 | ret |
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32 | @@: |
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33 | call change_task |
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34 | jmp .wait |
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35 | endp |
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36 | |||
37 | align 4 |
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38 | proc pci_read32 stdcall, bus:dword, devfn:dword, reg:dword |
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39 | push ebx |
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40 | xor eax, eax |
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41 | xor ebx, ebx |
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42 | mov ah, byte [bus] |
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43 | mov al, 6 |
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44 | mov bh, byte [devfn] |
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45 | mov bl, byte [reg] |
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46 | call pci_read_reg |
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47 | pop ebx |
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48 | ret |
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49 | endp |
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50 | |||
51 | align 4 |
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52 | proc pci_read16 stdcall, bus:dword, devfn:dword, reg:dword |
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53 | push ebx |
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54 | xor eax, eax |
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55 | xor ebx, ebx |
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56 | mov ah, byte [bus] |
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57 | mov al, 5 |
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58 | mov bh, byte [devfn] |
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59 | mov bl, byte [reg] |
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60 | call pci_read_reg |
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61 | pop ebx |
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62 | ret |
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63 | endp |
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64 | |||
65 | align 4 |
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66 | proc pci_read8 stdcall, bus:dword, devfn:dword, reg:dword |
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67 | push ebx |
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68 | xor eax, eax |
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69 | xor ebx, ebx |
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70 | mov ah, byte [bus] |
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71 | mov al, 4 |
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72 | mov bh, byte [devfn] |
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73 | mov bl, byte [reg] |
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74 | call pci_read_reg |
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75 | pop ebx |
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76 | ret |
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77 | endp |
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78 | |||
79 | align 4 |
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80 | proc pci_write8 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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81 | push ebx |
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82 | xor eax, eax |
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83 | xor ebx, ebx |
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84 | mov ah, byte [bus] |
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85 | mov al, 8 |
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86 | mov bh, byte [devfn] |
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87 | mov bl, byte [reg] |
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88 | mov ecx, [val] |
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89 | call pci_write_reg |
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90 | pop ebx |
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91 | ret |
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92 | endp |
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93 | |||
94 | align 4 |
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95 | proc pci_write16 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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96 | push ebx |
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97 | xor eax, eax |
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98 | xor ebx, ebx |
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99 | mov ah, byte [bus] |
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100 | mov al, 9 |
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101 | mov bh, byte [devfn] |
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102 | mov bl, byte [reg] |
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103 | mov ecx, [val] |
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104 | call pci_write_reg |
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105 | pop ebx |
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106 | ret |
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107 | endp |
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108 | |||
109 | align 4 |
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110 | proc pci_write32 stdcall, bus:dword, devfn:dword, reg:dword, val:dword |
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111 | push ebx |
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112 | xor eax, eax |
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113 | xor ebx, ebx |
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114 | mov ah, byte [bus] |
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115 | mov al, 10 |
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116 | mov bh, byte [devfn] |
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117 | mov bl, byte [reg] |
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118 | mov ecx, [val] |
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119 | call pci_write_reg |
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120 | pop ebx |
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121 | ret |
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122 | endp |
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123 | |||
124 | handle equ IOCTL.handle |
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125 | io_code equ IOCTL.io_code |
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126 | input equ IOCTL.input |
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127 | inp_size equ IOCTL.inp_size |
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128 | output equ IOCTL.output |
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129 | out_size equ IOCTL.out_size |
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130 | |||
131 | |||
132 | align 4 |
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133 | proc srv_handler stdcall, ioctl:dword |
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134 | mov esi, [ioctl] |
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135 | test esi, esi |
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136 | jz .err |
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137 | |||
138 | mov edi, [esi+handle] |
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139 | cmp [edi+SRV.magic], ' SRV' |
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140 | jne .fail |
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141 | |||
2384 | hidnplayr | 142 | cmp [edi+SRV.size], sizeof.SRV |
2288 | clevermous | 143 | jne .fail |
144 | |||
3520 | clevermous | 145 | ; stdcall [edi+SRV.srv_proc], esi |
146 | mov eax, [edi+SRV.srv_proc] |
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147 | test eax, eax |
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148 | jz .fail |
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149 | stdcall eax, esi |
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2288 | clevermous | 150 | ret |
151 | .fail: |
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152 | xor eax, eax |
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153 | not eax |
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154 | mov [esi+output], eax |
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155 | mov [esi+out_size], 4 |
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156 | ret |
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157 | .err: |
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158 | xor eax, eax |
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159 | not eax |
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160 | ret |
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161 | endp |
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162 | |||
163 | ; param |
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164 | ; ecx= io_control |
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165 | ; |
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166 | ; retval |
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167 | ; eax= error code |
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168 | |||
169 | align 4 |
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170 | srv_handlerEx: |
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171 | cmp ecx, OS_BASE |
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172 | jae .fail |
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173 | |||
174 | mov eax, [ecx+handle] |
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175 | cmp [eax+SRV.magic], ' SRV' |
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176 | jne .fail |
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177 | |||
2384 | hidnplayr | 178 | cmp [eax+SRV.size], sizeof.SRV |
2288 | clevermous | 179 | jne .fail |
180 | |||
3520 | clevermous | 181 | ; stdcall [eax+SRV.srv_proc], ecx |
182 | mov eax, [eax+SRV.srv_proc] |
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183 | test eax, eax |
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184 | jz .fail |
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185 | stdcall eax, ecx |
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2288 | clevermous | 186 | ret |
187 | .fail: |
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188 | or eax, -1 |
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189 | ret |
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190 | |||
191 | restore handle |
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192 | restore io_code |
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193 | restore input |
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194 | restore inp_size |
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195 | restore output |
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196 | restore out_size |
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197 | |||
198 | align 4 |
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199 | proc get_service stdcall, sz_name:dword |
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200 | mov eax, [sz_name] |
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201 | test eax, eax |
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202 | jnz @F |
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203 | ret |
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204 | @@: |
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205 | mov edx, [srv.fd] |
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206 | @@: |
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2384 | hidnplayr | 207 | cmp edx, srv.fd-SRV.fd |
2288 | clevermous | 208 | je .not_load |
209 | |||
210 | stdcall strncmp, edx, [sz_name], 16 |
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211 | test eax, eax |
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5088 | clevermous | 212 | mov eax, edx |
213 | je .nothing |
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2288 | clevermous | 214 | |
215 | mov edx, [edx+SRV.fd] |
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216 | jmp @B |
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217 | .not_load: |
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4418 | clevermous | 218 | mov eax, [sz_name] |
219 | push edi |
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220 | sub esp, 36 |
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221 | mov edi, esp |
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222 | mov dword [edi], '/sys' |
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223 | mov dword [edi+4], '/dri' |
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224 | mov dword [edi+8], 'vers' |
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225 | mov byte [edi+12], '/' |
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226 | @@: |
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227 | mov dl, [eax] |
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228 | mov [edi+13], dl |
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229 | inc eax |
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230 | inc edi |
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231 | test dl, dl |
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232 | jnz @b |
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233 | mov dword [edi+12], '.sys' |
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234 | mov byte [edi+16], 0 |
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235 | mov edi, esp |
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236 | stdcall load_pe_driver, edi, 0 |
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237 | add esp, 36 |
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238 | pop edi |
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239 | .nothing: |
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2288 | clevermous | 240 | ret |
241 | endp |
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242 | |||
3520 | clevermous | 243 | reg_service: |
244 | xor eax, eax |
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245 | mov ecx, [esp+8] |
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246 | jecxz .nothing |
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247 | push sizeof.SRV |
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248 | push ecx |
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249 | pushd [esp+12] |
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250 | call reg_service_ex |
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251 | .nothing: |
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252 | ret 8 |
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2288 | clevermous | 253 | |
3520 | clevermous | 254 | reg_usb_driver: |
255 | push sizeof.USBSRV |
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256 | pushd [esp+12] |
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257 | pushd [esp+12] |
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258 | call reg_service_ex |
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259 | test eax, eax |
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260 | jz .nothing |
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261 | mov ecx, [esp+12] |
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262 | mov [eax+USBSRV.usb_func], ecx |
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263 | .nothing: |
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264 | ret 12 |
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265 | |||
266 | proc reg_service_ex stdcall, name:dword, handler:dword, srvsize:dword |
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267 | |||
2288 | clevermous | 268 | push ebx |
269 | |||
270 | xor eax, eax |
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271 | |||
272 | cmp [name], eax |
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273 | je .fail |
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274 | |||
3520 | clevermous | 275 | ; cmp [handler], eax |
276 | ; je .fail |
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2288 | clevermous | 277 | |
3520 | clevermous | 278 | mov eax, [srvsize] |
2288 | clevermous | 279 | call malloc |
280 | test eax, eax |
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281 | jz .fail |
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282 | |||
283 | push esi |
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284 | push edi |
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285 | mov edi, eax |
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286 | mov esi, [name] |
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287 | movsd |
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288 | movsd |
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289 | movsd |
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290 | movsd |
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291 | pop edi |
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292 | pop esi |
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293 | |||
294 | mov [eax+SRV.magic], ' SRV' |
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2384 | hidnplayr | 295 | mov [eax+SRV.size], sizeof.SRV |
2288 | clevermous | 296 | |
2384 | hidnplayr | 297 | mov ebx, srv.fd-SRV.fd |
2288 | clevermous | 298 | mov edx, [ebx+SRV.fd] |
299 | mov [eax+SRV.fd], edx |
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300 | mov [eax+SRV.bk], ebx |
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301 | mov [ebx+SRV.fd], eax |
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302 | mov [edx+SRV.bk], eax |
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303 | |||
304 | mov ecx, [handler] |
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305 | mov [eax+SRV.srv_proc], ecx |
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306 | pop ebx |
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307 | ret |
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308 | .fail: |
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309 | xor eax, eax |
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310 | pop ebx |
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311 | ret |
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312 | endp |
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313 | |||
314 | align 4 |
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315 | proc get_proc stdcall, exp:dword, sz_name:dword |
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316 | |||
317 | mov edx, [exp] |
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318 | .next: |
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319 | mov eax, [edx] |
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320 | test eax, eax |
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321 | jz .end |
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322 | |||
323 | push edx |
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324 | stdcall strncmp, eax, [sz_name], 16 |
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325 | pop edx |
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326 | test eax, eax |
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327 | jz .ok |
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328 | |||
329 | add edx, 8 |
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330 | jmp .next |
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331 | .ok: |
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332 | mov eax, [edx+4] |
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333 | .end: |
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334 | ret |
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335 | endp |
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336 | |||
337 | align 4 |
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338 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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339 | |||
340 | @@: |
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341 | stdcall strncmp, [pSym], [sz_sym], 8 |
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342 | test eax, eax |
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343 | jz .ok |
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344 | add [pSym], 18 |
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345 | dec [count] |
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346 | jnz @b |
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347 | xor eax, eax |
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348 | ret |
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349 | .ok: |
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350 | mov eax, [pSym] |
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351 | mov eax, [eax+8] |
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352 | ret |
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353 | endp |
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354 | |||
355 | align 4 |
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356 | proc get_curr_task |
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357 | mov eax, [CURRENT_TASK] |
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358 | shl eax, 8 |
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359 | ret |
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360 | endp |
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361 | |||
362 | align 4 |
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363 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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364 | locals |
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365 | cmd dd ? |
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366 | offset dd ? |
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367 | dd ? |
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368 | count dd ? |
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369 | buff dd ? |
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370 | db ? |
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371 | name dd ? |
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372 | endl |
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373 | |||
374 | xor eax, eax |
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375 | mov ebx, [file_name] |
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376 | mov ecx, [info] |
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377 | |||
378 | mov [cmd], 5 |
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379 | mov [offset], eax |
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380 | mov [offset+4], eax |
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381 | mov [count], eax |
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382 | mov [buff], ecx |
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383 | mov byte [buff+4], al |
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384 | mov [name], ebx |
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385 | |||
386 | mov eax, 70 |
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387 | lea ebx, [cmd] |
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8680 | rgimad | 388 | pushad |
389 | cld |
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390 | call protect_from_terminate |
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391 | call file_system_lfn |
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392 | call unprotect_from_terminate |
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393 | popad |
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2288 | clevermous | 394 | ret |
395 | endp |
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396 | |||
397 | align 4 |
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398 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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399 | bytes:dword |
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400 | locals |
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401 | cmd dd ? |
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402 | offset dd ? |
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403 | dd ? |
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404 | count dd ? |
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405 | buff dd ? |
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406 | db ? |
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407 | name dd ? |
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408 | endl |
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409 | |||
410 | xor eax, eax |
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411 | mov ebx, [file_name] |
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412 | mov ecx, [off] |
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413 | mov edx, [bytes] |
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414 | mov esi, [buffer] |
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415 | |||
416 | mov [cmd], eax |
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417 | mov [offset], ecx |
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418 | mov [offset+4], eax |
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419 | mov [count], edx |
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420 | mov [buff], esi |
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421 | mov byte [buff+4], al |
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422 | mov [name], ebx |
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423 | |||
424 | pushad |
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425 | lea ebx, [cmd] |
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3296 | clevermous | 426 | call file_system_lfn_protected |
2288 | clevermous | 427 | popad |
428 | ret |
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429 | endp |
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430 | |||
431 | ; description |
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432 | ; allocate kernel memory and loads the specified file |
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433 | ; |
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434 | ; param |
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3786 | Serge | 435 | ; file_name= path to file |
2288 | clevermous | 436 | ; |
437 | ; retval |
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438 | ; eax= file image in kernel memory |
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439 | ; ebx= size of file |
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440 | ; |
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441 | ; warging |
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442 | ; You mast call kernel_free() to delete each file |
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443 | ; loaded by the load_file() function |
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444 | |||
445 | align 4 |
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446 | proc load_file stdcall, file_name:dword |
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447 | locals |
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448 | attr dd ? |
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449 | flags dd ? |
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450 | cr_time dd ? |
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451 | cr_date dd ? |
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452 | acc_time dd ? |
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453 | acc_date dd ? |
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454 | mod_time dd ? |
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455 | mod_date dd ? |
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456 | file_size dd ? |
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457 | |||
458 | file dd ? |
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459 | file2 dd ? |
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460 | endl |
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461 | |||
462 | push esi |
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463 | push edi |
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464 | |||
465 | lea eax, [attr] |
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466 | stdcall get_fileinfo, [file_name], eax |
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467 | test eax, eax |
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468 | jnz .fail |
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469 | |||
470 | mov eax, [file_size] |
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471 | cmp eax, 1024*1024*16 |
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472 | ja .fail |
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473 | |||
474 | stdcall kernel_alloc, [file_size] |
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475 | mov [file], eax |
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476 | test eax, eax |
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477 | jz .fail |
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478 | |||
479 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
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480 | cmp ebx, [file_size] |
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481 | jne .cleanup |
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482 | |||
483 | mov eax, [file] |
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7122 | dunkaist | 484 | cmp dword [eax], 'KPCK' |
2288 | clevermous | 485 | jne .exit |
486 | mov ebx, [eax+4] |
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487 | mov [file_size], ebx |
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488 | stdcall kernel_alloc, ebx |
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489 | |||
490 | test eax, eax |
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491 | jz .cleanup |
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492 | |||
493 | mov [file2], eax |
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2486 | mario79 | 494 | |
2500 | mario79 | 495 | pushad |
2489 | mario79 | 496 | mov ecx, unpack_mutex |
497 | call mutex_lock |
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2500 | mario79 | 498 | popad |
2486 | mario79 | 499 | |
2288 | clevermous | 500 | stdcall unpack, [file], eax |
2486 | mario79 | 501 | |
2500 | mario79 | 502 | pushad |
503 | mov ecx, unpack_mutex |
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2489 | mario79 | 504 | call mutex_unlock |
2500 | mario79 | 505 | popad |
2486 | mario79 | 506 | |
2288 | clevermous | 507 | stdcall kernel_free, [file] |
508 | mov eax, [file2] |
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509 | mov ebx, [file_size] |
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510 | .exit: |
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511 | push eax |
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512 | lea edi, [eax+ebx] ;cleanup remain space |
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513 | mov ecx, 4096 ;from file end |
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514 | and ebx, 4095 |
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515 | jz @f |
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516 | sub ecx, ebx |
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517 | xor eax, eax |
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518 | cld |
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519 | rep stosb |
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520 | @@: |
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521 | mov ebx, [file_size] |
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522 | pop eax |
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523 | pop edi |
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524 | pop esi |
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525 | ret |
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526 | .cleanup: |
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527 | stdcall kernel_free, [file] |
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528 | .fail: |
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529 | xor eax, eax |
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530 | xor ebx, ebx |
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531 | pop edi |
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532 | pop esi |
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533 | ret |
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534 | endp |
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535 | |||
3786 | Serge | 536 | ; description |
537 | ; allocate user memory and loads the specified file |
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538 | ; |
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539 | ; param |
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540 | ; file_name= path to file |
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541 | ; |
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542 | ; retval |
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543 | ; eax= file image in user memory |
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544 | ; ebx= size of file |
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545 | ; |
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546 | ; warging |
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547 | ; You mast call kernel_free() to delete each file |
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548 | ; loaded by the load_file() function |
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549 | |||
550 | align 4 |
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551 | proc load_file_umode stdcall, file_name:dword |
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552 | locals |
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553 | attr dd ? |
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554 | flags dd ? |
||
555 | cr_time dd ? |
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556 | cr_date dd ? |
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557 | acc_time dd ? |
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558 | acc_date dd ? |
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559 | mod_time dd ? |
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560 | mod_date dd ? |
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561 | file_size dd ? |
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562 | |||
563 | km_file dd ? |
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564 | um_file dd ? |
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565 | endl |
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566 | |||
567 | push esi |
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568 | push edi |
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569 | push ebx |
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570 | |||
571 | lea eax, [attr] |
||
572 | stdcall get_fileinfo, [file_name], eax ;find file and get info |
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573 | test eax, eax |
||
574 | jnz .err_1 |
||
575 | |||
576 | mov eax, [file_size] |
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577 | cmp eax, 1024*1024*16 ;to be enough for anybody (c) |
||
578 | ja .err_1 |
||
579 | ;it is very likely that the file is packed |
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580 | stdcall kernel_alloc, [file_size] ;with kpack, so allocate memory from kernel heap |
||
581 | mov [km_file], eax |
||
582 | test eax, eax |
||
583 | jz .err_1 |
||
584 | |||
585 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
||
586 | cmp ebx, [file_size] |
||
587 | |||
588 | jne .err_2 |
||
589 | |||
590 | mov eax, [km_file] |
||
7122 | dunkaist | 591 | cmp dword [eax], 'KPCK' ; check kpack signature |
3786 | Serge | 592 | jne .raw_file |
593 | |||
594 | mov ebx, [eax+4] ;get real size of file |
||
595 | mov [file_size], ebx |
||
4237 | Serge | 596 | stdcall user_alloc, ebx ;and allocate space from user heap |
3786 | Serge | 597 | mov [um_file], eax |
598 | test eax, eax |
||
599 | jz .err_2 |
||
600 | |||
4237 | Serge | 601 | mov edx, [file_size] ;preallocate page memory |
602 | shr eax, 10 |
||
603 | lea edi, [page_tabs+eax] |
||
604 | add edx, 4095 |
||
605 | shr edx, 12 |
||
606 | @@: |
||
607 | call alloc_page |
||
608 | test eax, eax |
||
609 | jz .err_3 |
||
610 | |||
5356 | serge | 611 | or eax, PG_UWR |
4237 | Serge | 612 | stosd |
613 | dec edx |
||
614 | jnz @B |
||
615 | |||
3786 | Serge | 616 | pushad |
617 | mov ecx, unpack_mutex |
||
618 | call mutex_lock |
||
619 | |||
620 | stdcall unpack, [km_file], [um_file] |
||
621 | |||
622 | mov ecx, unpack_mutex |
||
623 | call mutex_unlock |
||
624 | popad |
||
625 | |||
626 | stdcall kernel_free, [km_file] ;we don't need packed file anymore |
||
627 | .exit: |
||
4237 | Serge | 628 | |
629 | mov edi, [um_file] |
||
630 | mov esi, [um_file] |
||
631 | mov eax, [file_size] |
||
632 | mov edx, eax |
||
633 | |||
634 | add edi, eax ;cleanup remain space |
||
635 | mov ecx, 4096 ;from file end |
||
636 | and eax, 4095 |
||
637 | jz @f |
||
638 | sub ecx, eax |
||
639 | xor eax, eax |
||
640 | cld |
||
641 | rep stosb |
||
642 | @@: |
||
3786 | Serge | 643 | mov eax, [um_file] |
644 | |||
645 | pop ebx |
||
646 | pop edi |
||
647 | pop esi |
||
648 | ret |
||
649 | |||
650 | .raw_file: ; sometimes we load unpacked file |
||
651 | stdcall user_alloc, ebx ; allocate space from user heap |
||
652 | mov [um_file], eax |
||
653 | |||
654 | test eax, eax |
||
655 | jz .err_2 |
||
656 | |||
657 | shr eax, 10 ; and remap pages. |
||
658 | |||
659 | mov ecx, [file_size] |
||
660 | add ecx, 4095 |
||
661 | shr ecx, 12 |
||
662 | |||
663 | mov esi, [km_file] |
||
664 | shr esi, 10 |
||
665 | add esi, page_tabs |
||
666 | |||
667 | lea edi, [page_tabs+eax] |
||
668 | |||
669 | cld |
||
670 | @@: |
||
671 | lodsd |
||
672 | and eax, 0xFFFFF000 |
||
5356 | serge | 673 | or eax, PG_UWR |
3786 | Serge | 674 | stosd |
675 | loop @B |
||
676 | |||
677 | stdcall free_kernel_space, [km_file] ; release allocated kernel space |
||
678 | jmp .exit ; physical pages still in use |
||
4237 | Serge | 679 | .err_3: |
680 | stdcall user_free, [um_file] |
||
3786 | Serge | 681 | .err_2: |
682 | stdcall kernel_free, [km_file] |
||
683 | .err_1: |
||
684 | xor eax, eax |
||
685 | xor edx, edx |
||
686 | |||
687 | pop ebx |
||
688 | pop edi |
||
689 | pop esi |
||
690 | ret |
||
691 | endp |
||
692 | |||
693 | |||
2489 | mario79 | 694 | uglobal |
2288 | clevermous | 695 | align 4 |
2489 | mario79 | 696 | unpack_mutex MUTEX |
2486 | mario79 | 697 | endg |
698 | |||
699 | align 4 |
||
3761 | clevermous | 700 | proc get_proc_ex stdcall uses ebx esi, proc_name:dword, imports:dword |
701 | mov ebx, [imports] |
||
702 | test ebx, ebx |
||
703 | jz .end |
||
704 | xor esi, esi |
||
2288 | clevermous | 705 | .look_up: |
706 | |||
3761 | clevermous | 707 | mov eax, [ebx+32] |
708 | mov eax, [OS_BASE+eax+esi*4] |
||
709 | add eax, OS_BASE |
||
2288 | clevermous | 710 | stdcall strncmp, eax, [proc_name], 256 |
711 | test eax, eax |
||
712 | jz .ok |
||
713 | |||
3761 | clevermous | 714 | inc esi |
715 | cmp esi, [ebx+24] |
||
716 | jb .look_up |
||
2288 | clevermous | 717 | .end: |
718 | xor eax, eax |
||
719 | ret |
||
3761 | clevermous | 720 | .ok: |
721 | mov eax, [ebx+28] |
||
722 | mov eax, [OS_BASE+eax+esi*4] |
||
723 | add eax, OS_BASE |
||
724 | ret |
||
2288 | clevermous | 725 | endp |
726 | |||
727 | align 4 |
||
728 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
||
729 | sym_count:dword, strings:dword, imports:dword |
||
730 | locals |
||
731 | retval dd ? |
||
732 | endl |
||
733 | |||
734 | mov edi, [symbols] |
||
735 | mov [retval], 1 |
||
736 | .fix: |
||
2384 | hidnplayr | 737 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
2288 | clevermous | 738 | test ebx, ebx |
739 | jnz .internal |
||
2384 | hidnplayr | 740 | mov eax, dword [edi+COFF_SYM.Name] |
2288 | clevermous | 741 | test eax, eax |
742 | jnz @F |
||
743 | |||
744 | mov edi, [edi+4] |
||
745 | add edi, [strings] |
||
746 | @@: |
||
747 | push edi |
||
748 | stdcall get_proc_ex, edi, [imports] |
||
749 | pop edi |
||
750 | |||
751 | xor ebx, ebx |
||
752 | test eax, eax |
||
753 | jnz @F |
||
754 | |||
5998 | veliant | 755 | ; disable debug msg |
756 | ;mov esi, msg_unresolved |
||
757 | ;call sys_msg_board_str |
||
758 | ;mov esi, edi |
||
759 | ;call sys_msg_board_str |
||
760 | ;mov esi, msg_CR |
||
761 | ;call sys_msg_board_str |
||
2288 | clevermous | 762 | |
763 | mov [retval], 0 |
||
764 | @@: |
||
765 | mov edi, [symbols] |
||
2384 | hidnplayr | 766 | mov [edi+COFF_SYM.Value], eax |
2288 | clevermous | 767 | jmp .next |
768 | .internal: |
||
769 | cmp bx, -1 |
||
770 | je .next |
||
771 | cmp bx, -2 |
||
772 | je .next |
||
773 | |||
774 | dec ebx |
||
775 | shl ebx, 3 |
||
776 | lea ebx, [ebx+ebx*4] |
||
777 | add ebx, [sec] |
||
778 | |||
2384 | hidnplayr | 779 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
780 | add [edi+COFF_SYM.Value], eax |
||
2288 | clevermous | 781 | .next: |
2384 | hidnplayr | 782 | add edi, sizeof.COFF_SYM |
2288 | clevermous | 783 | mov [symbols], edi |
784 | dec [sym_count] |
||
785 | jnz .fix |
||
786 | mov eax, [retval] |
||
787 | ret |
||
788 | endp |
||
789 | |||
790 | align 4 |
||
791 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
||
792 | delta:dword |
||
793 | locals |
||
794 | n_sec dd ? |
||
795 | endl |
||
796 | |||
797 | mov eax, [coff] |
||
2384 | hidnplayr | 798 | movzx ebx, [eax+COFF_HEADER.nSections] |
2288 | clevermous | 799 | mov [n_sec], ebx |
800 | lea esi, [eax+20] |
||
801 | .fix_sec: |
||
2384 | hidnplayr | 802 | mov edi, [esi+COFF_SECTION.PtrReloc] |
2288 | clevermous | 803 | add edi, [coff] |
804 | |||
2384 | hidnplayr | 805 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
2288 | clevermous | 806 | test ecx, ecx |
807 | jz .next |
||
808 | .reloc_loop: |
||
2384 | hidnplayr | 809 | mov ebx, [edi+COFF_RELOC.SymIndex] |
2288 | clevermous | 810 | add ebx, ebx |
811 | lea ebx, [ebx+ebx*8] |
||
812 | add ebx, [sym] |
||
813 | |||
2384 | hidnplayr | 814 | mov edx, [ebx+COFF_SYM.Value] |
2288 | clevermous | 815 | |
2384 | hidnplayr | 816 | cmp [edi+COFF_RELOC.Type], 6 |
2288 | clevermous | 817 | je .dir_32 |
818 | |||
2384 | hidnplayr | 819 | cmp [edi+COFF_RELOC.Type], 20 |
2288 | clevermous | 820 | jne .next_reloc |
821 | .rel_32: |
||
2384 | hidnplayr | 822 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
823 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 824 | sub edx, eax |
825 | sub edx, 4 |
||
826 | jmp .fix |
||
827 | .dir_32: |
||
2384 | hidnplayr | 828 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
829 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 830 | .fix: |
831 | add eax, [delta] |
||
832 | add [eax], edx |
||
833 | .next_reloc: |
||
834 | add edi, 10 |
||
835 | dec ecx |
||
836 | jnz .reloc_loop |
||
837 | .next: |
||
2384 | hidnplayr | 838 | add esi, sizeof.COFF_SECTION |
2288 | clevermous | 839 | dec [n_sec] |
840 | jnz .fix_sec |
||
841 | .exit: |
||
842 | ret |
||
843 | endp |
||
844 | |||
845 | align 4 |
||
846 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
||
847 | delta:dword |
||
848 | locals |
||
849 | n_sec dd ? |
||
850 | endl |
||
851 | |||
852 | mov eax, [coff] |
||
2384 | hidnplayr | 853 | movzx ebx, [eax+COFF_HEADER.nSections] |
2288 | clevermous | 854 | mov [n_sec], ebx |
855 | lea esi, [eax+20] |
||
856 | mov edx, [delta] |
||
857 | .fix_sec: |
||
2384 | hidnplayr | 858 | mov edi, [esi+COFF_SECTION.PtrReloc] |
2288 | clevermous | 859 | add edi, [coff] |
860 | |||
2384 | hidnplayr | 861 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
2288 | clevermous | 862 | test ecx, ecx |
863 | jz .next |
||
864 | .reloc_loop: |
||
2384 | hidnplayr | 865 | cmp [edi+COFF_RELOC.Type], 6 |
2288 | clevermous | 866 | jne .next_reloc |
867 | .dir_32: |
||
2384 | hidnplayr | 868 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
869 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 870 | add [eax+edx], edx |
871 | .next_reloc: |
||
872 | add edi, 10 |
||
873 | dec ecx |
||
874 | jnz .reloc_loop |
||
875 | .next: |
||
2384 | hidnplayr | 876 | add esi, sizeof.COFF_SECTION |
2288 | clevermous | 877 | dec [n_sec] |
878 | jnz .fix_sec |
||
879 | .exit: |
||
880 | ret |
||
881 | endp |
||
882 | |||
883 | ; in: edx -> COFF_SECTION struct |
||
884 | ; out: eax = alignment as mask for bits to drop |
||
885 | coff_get_align: |
||
886 | ; Rules: |
||
887 | ; - if alignment is not given, use default = 4K; |
||
888 | ; - if alignment is given and is no more than 4K, use it; |
||
889 | ; - if alignment is more than 4K, revert to 4K. |
||
890 | push ecx |
||
2384 | hidnplayr | 891 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
2288 | clevermous | 892 | mov eax, 1 |
893 | shr cl, 4 |
||
894 | dec cl |
||
895 | js .default |
||
896 | cmp cl, 12 |
||
897 | jbe @f |
||
898 | .default: |
||
899 | mov cl, 12 |
||
900 | @@: |
||
901 | shl eax, cl |
||
902 | pop ecx |
||
903 | dec eax |
||
904 | ret |
||
905 | |||
906 | align 4 |
||
6792 | pathoswith | 907 | proc load_library stdcall, file_name:dword, encoding:dword |
6502 | pathoswith | 908 | locals |
909 | fullname dd ? |
||
910 | fileinfo rb 40 |
||
911 | coff dd ? |
||
912 | img_base dd ? |
||
913 | endl |
||
2288 | clevermous | 914 | |
915 | ; resolve file name |
||
6502 | pathoswith | 916 | stdcall kernel_alloc, maxPathLength |
917 | mov [fullname], eax |
||
6792 | pathoswith | 918 | mov edi, eax |
919 | mov esi, [file_name] |
||
920 | mov eax, [encoding] |
||
921 | push ebp |
||
922 | call getFullPath |
||
923 | pop ebp |
||
6502 | pathoswith | 924 | test eax, eax |
2288 | clevermous | 925 | jz .fail |
926 | ; scan for required DLL in list of already loaded for this process, |
||
927 | ; ignore timestamp |
||
3827 | clevermous | 928 | cli |
5130 | serge | 929 | mov esi, [current_process] |
6502 | pathoswith | 930 | mov edi, [fullname] |
5130 | serge | 931 | mov ebx, [esi+PROC.dlls_list_ptr] |
2288 | clevermous | 932 | test ebx, ebx |
933 | jz .not_in_process |
||
934 | mov esi, [ebx+HDLL.fd] |
||
935 | .scan_in_process: |
||
936 | cmp esi, ebx |
||
937 | jz .not_in_process |
||
938 | mov eax, [esi+HDLL.parent] |
||
939 | add eax, DLLDESCR.name |
||
940 | stdcall strncmp, eax, edi, -1 |
||
941 | test eax, eax |
||
942 | jnz .next_in_process |
||
943 | ; simple variant: load DLL which is already loaded in this process |
||
944 | ; just increment reference counters and return address of exports table |
||
945 | inc [esi+HDLL.refcount] |
||
946 | mov ecx, [esi+HDLL.parent] |
||
947 | inc [ecx+DLLDESCR.refcount] |
||
948 | mov eax, [ecx+DLLDESCR.exports] |
||
949 | sub eax, [ecx+DLLDESCR.defaultbase] |
||
950 | add eax, [esi+HDLL.base] |
||
3827 | clevermous | 951 | sti |
6502 | pathoswith | 952 | push eax |
953 | stdcall kernel_free, [fullname] |
||
954 | pop eax |
||
2288 | clevermous | 955 | ret |
6502 | pathoswith | 956 | |
2288 | clevermous | 957 | .next_in_process: |
958 | mov esi, [esi+HDLL.fd] |
||
959 | jmp .scan_in_process |
||
6502 | pathoswith | 960 | |
2288 | clevermous | 961 | .not_in_process: |
962 | ; scan in full list, compare timestamp |
||
3827 | clevermous | 963 | sti |
2288 | clevermous | 964 | lea eax, [fileinfo] |
965 | stdcall get_fileinfo, edi, eax |
||
966 | test eax, eax |
||
967 | jnz .fail |
||
3827 | clevermous | 968 | cli |
2288 | clevermous | 969 | mov esi, [dll_list.fd] |
970 | .scan_for_dlls: |
||
971 | cmp esi, dll_list |
||
972 | jz .load_new |
||
973 | lea eax, [esi+DLLDESCR.name] |
||
974 | stdcall strncmp, eax, edi, -1 |
||
975 | test eax, eax |
||
976 | jnz .continue_scan |
||
977 | .test_prev_dll: |
||
978 | mov eax, dword [fileinfo+24]; last modified time |
||
979 | mov edx, dword [fileinfo+28]; last modified date |
||
980 | cmp dword [esi+DLLDESCR.timestamp], eax |
||
981 | jnz .continue_scan |
||
982 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
||
983 | jz .dll_already_loaded |
||
984 | .continue_scan: |
||
985 | mov esi, [esi+DLLDESCR.fd] |
||
986 | jmp .scan_for_dlls |
||
987 | |||
988 | ; new DLL |
||
989 | .load_new: |
||
3827 | clevermous | 990 | sti |
2288 | clevermous | 991 | ; load file |
992 | stdcall load_file, edi |
||
993 | test eax, eax |
||
994 | jz .fail |
||
995 | mov [coff], eax |
||
996 | mov dword [fileinfo+32], ebx |
||
997 | |||
998 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
||
999 | mov esi, edi |
||
1000 | mov ecx, -1 |
||
1001 | xor eax, eax |
||
1002 | repnz scasb |
||
1003 | not ecx |
||
2384 | hidnplayr | 1004 | lea eax, [ecx+sizeof.DLLDESCR] |
2288 | clevermous | 1005 | push ecx |
1006 | call malloc |
||
1007 | pop ecx |
||
1008 | test eax, eax |
||
1009 | jz .fail_and_free_coff |
||
1010 | ; save timestamp |
||
1011 | lea edi, [eax+DLLDESCR.name] |
||
1012 | rep movsb |
||
1013 | mov esi, eax |
||
1014 | mov eax, dword [fileinfo+24] |
||
1015 | mov dword [esi+DLLDESCR.timestamp], eax |
||
1016 | mov eax, dword [fileinfo+28] |
||
1017 | mov dword [esi+DLLDESCR.timestamp+4], eax |
||
1018 | |||
1019 | ; calculate size of loaded DLL |
||
1020 | mov edx, [coff] |
||
2384 | hidnplayr | 1021 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1022 | xor ebx, ebx |
1023 | |||
1024 | add edx, 20 |
||
1025 | @@: |
||
1026 | call coff_get_align |
||
1027 | add ebx, eax |
||
1028 | not eax |
||
1029 | and ebx, eax |
||
2384 | hidnplayr | 1030 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1031 | add edx, sizeof.COFF_SECTION |
||
2288 | clevermous | 1032 | dec ecx |
1033 | jnz @B |
||
1034 | ; it must be nonzero and not too big |
||
1035 | mov [esi+DLLDESCR.size], ebx |
||
1036 | test ebx, ebx |
||
1037 | jz .fail_and_free_dll |
||
1038 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
||
1039 | ja .fail_and_free_dll |
||
1040 | ; allocate memory for kernel-side image |
||
1041 | stdcall kernel_alloc, ebx |
||
1042 | test eax, eax |
||
1043 | jz .fail_and_free_dll |
||
1044 | mov [esi+DLLDESCR.data], eax |
||
1045 | ; calculate preferred base address |
||
1046 | add ebx, 0x1FFF |
||
1047 | and ebx, not 0xFFF |
||
1048 | mov ecx, [dll_cur_addr] |
||
1049 | lea edx, [ecx+ebx] |
||
1050 | cmp edx, MAX_DEFAULT_DLL_ADDR |
||
1051 | jb @f |
||
1052 | mov ecx, MIN_DEFAULT_DLL_ADDR |
||
1053 | lea edx, [ecx+ebx] |
||
1054 | @@: |
||
1055 | mov [esi+DLLDESCR.defaultbase], ecx |
||
1056 | mov [dll_cur_addr], edx |
||
1057 | |||
1058 | ; copy sections and set correct values for VirtualAddress'es in headers |
||
1059 | push esi |
||
1060 | mov edx, [coff] |
||
2384 | hidnplayr | 1061 | movzx ebx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1062 | mov edi, eax |
1063 | add edx, 20 |
||
1064 | cld |
||
1065 | @@: |
||
1066 | call coff_get_align |
||
1067 | add ecx, eax |
||
1068 | add edi, eax |
||
1069 | not eax |
||
1070 | and ecx, eax |
||
1071 | and edi, eax |
||
2384 | hidnplayr | 1072 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1073 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
||
1074 | mov esi, [edx+COFF_SECTION.PtrRawData] |
||
2288 | clevermous | 1075 | push ecx |
2384 | hidnplayr | 1076 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
2288 | clevermous | 1077 | test esi, esi |
1078 | jnz .copy |
||
1079 | xor eax, eax |
||
1080 | rep stosb |
||
1081 | jmp .next |
||
1082 | .copy: |
||
1083 | add esi, [coff] |
||
1084 | rep movsb |
||
1085 | .next: |
||
1086 | pop ecx |
||
2384 | hidnplayr | 1087 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1088 | dec ebx |
1089 | jnz @B |
||
1090 | pop esi |
||
1091 | |||
1092 | ; save some additional data from COFF file |
||
1093 | ; later we will use COFF header, headers for sections and symbol table |
||
1094 | ; and also relocations table for all sections |
||
1095 | mov edx, [coff] |
||
2384 | hidnplayr | 1096 | mov ebx, [edx+COFF_HEADER.pSymTable] |
2288 | clevermous | 1097 | mov edi, dword [fileinfo+32] |
1098 | sub edi, ebx |
||
1099 | jc .fail_and_free_data |
||
1100 | mov [esi+DLLDESCR.symbols_lim], edi |
||
1101 | add ebx, edx |
||
2384 | hidnplayr | 1102 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1103 | lea ecx, [ecx*5] |
1104 | lea edi, [edi+ecx*8+20] |
||
1105 | add edx, 20 |
||
1106 | @@: |
||
2384 | hidnplayr | 1107 | movzx eax, [edx+COFF_SECTION.NumReloc] |
2288 | clevermous | 1108 | lea eax, [eax*5] |
1109 | lea edi, [edi+eax*2] |
||
2384 | hidnplayr | 1110 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1111 | sub ecx, 5 |
1112 | jnz @b |
||
1113 | stdcall kernel_alloc, edi |
||
1114 | test eax, eax |
||
1115 | jz .fail_and_free_data |
||
1116 | mov edx, [coff] |
||
2384 | hidnplayr | 1117 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1118 | lea ecx, [ecx*5] |
1119 | lea ecx, [ecx*2+5] |
||
1120 | mov [esi+DLLDESCR.coff_hdr], eax |
||
1121 | push esi |
||
1122 | mov esi, edx |
||
1123 | mov edi, eax |
||
1124 | rep movsd |
||
1125 | pop esi |
||
1126 | mov [esi+DLLDESCR.symbols_ptr], edi |
||
1127 | push esi |
||
2384 | hidnplayr | 1128 | mov ecx, [edx+COFF_HEADER.nSymbols] |
2288 | clevermous | 1129 | mov [esi+DLLDESCR.symbols_num], ecx |
1130 | mov ecx, [esi+DLLDESCR.symbols_lim] |
||
1131 | mov esi, ebx |
||
1132 | rep movsb |
||
1133 | pop esi |
||
1134 | mov ebx, [esi+DLLDESCR.coff_hdr] |
||
1135 | push esi |
||
2384 | hidnplayr | 1136 | movzx eax, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1137 | lea edx, [ebx+20] |
1138 | @@: |
||
2384 | hidnplayr | 1139 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
2288 | clevermous | 1140 | lea ecx, [ecx*5] |
2384 | hidnplayr | 1141 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1142 | mov [edx+COFF_SECTION.PtrReloc], edi |
||
1143 | sub [edx+COFF_SECTION.PtrReloc], ebx |
||
2288 | clevermous | 1144 | add esi, [coff] |
1145 | shr ecx, 1 |
||
1146 | rep movsd |
||
1147 | adc ecx, ecx |
||
1148 | rep movsw |
||
2384 | hidnplayr | 1149 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1150 | dec eax |
1151 | jnz @b |
||
1152 | pop esi |
||
1153 | |||
1154 | ; fixup symbols |
||
1155 | mov edx, ebx |
||
2384 | hidnplayr | 1156 | mov eax, [ebx+COFF_HEADER.nSymbols] |
2288 | clevermous | 1157 | add edx, 20 |
1158 | mov ecx, [esi+DLLDESCR.symbols_num] |
||
1159 | lea ecx, [ecx*9] |
||
1160 | add ecx, ecx |
||
1161 | add ecx, [esi+DLLDESCR.symbols_ptr] |
||
1162 | |||
1163 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
||
1164 | ecx, 0 |
||
1165 | ; test eax, eax |
||
1166 | ; jnz @F |
||
1167 | ; |
||
1168 | ;@@: |
||
1169 | |||
2384 | hidnplayr | 1170 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
2288 | clevermous | 1171 | test eax, eax |
1172 | jnz @F |
||
1173 | |||
2384 | hidnplayr | 1174 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
2288 | clevermous | 1175 | @@: |
1176 | mov [esi+DLLDESCR.exports], eax |
||
1177 | |||
1178 | ; fix relocs in the hidden copy in kernel memory to default address |
||
1179 | ; it is first fix; usually this will be enough, but second fix |
||
1180 | ; can be necessary if real load address will not equal assumption |
||
1181 | mov eax, [esi+DLLDESCR.data] |
||
1182 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1183 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
||
1184 | |||
1185 | stdcall kernel_free, [coff] |
||
1186 | |||
3827 | clevermous | 1187 | cli |
1188 | ; initialize DLLDESCR struct |
||
1189 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
||
1190 | mov [esi+DLLDESCR.fd], dll_list |
||
1191 | mov eax, [dll_list.bk] |
||
1192 | mov [dll_list.bk], esi |
||
1193 | mov [esi+DLLDESCR.bk], eax |
||
1194 | mov [eax+DLLDESCR.fd], esi |
||
2288 | clevermous | 1195 | .dll_already_loaded: |
6502 | pathoswith | 1196 | stdcall kernel_free, [fullname] |
2288 | clevermous | 1197 | inc [esi+DLLDESCR.refcount] |
1198 | push esi |
||
1199 | call init_heap |
||
1200 | pop esi |
||
1201 | mov edi, [esi+DLLDESCR.size] |
||
1202 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
||
1203 | test eax, eax |
||
1204 | jnz @f |
||
1205 | stdcall user_alloc, edi |
||
1206 | test eax, eax |
||
1207 | jz .fail_and_dereference |
||
1208 | @@: |
||
1209 | mov [img_base], eax |
||
2384 | hidnplayr | 1210 | mov eax, sizeof.HDLL |
2288 | clevermous | 1211 | call malloc |
1212 | test eax, eax |
||
1213 | jz .fail_and_free_user |
||
1214 | mov ebx, [CURRENT_TASK] |
||
1215 | shl ebx, 5 |
||
1216 | mov edx, [CURRENT_TASK+ebx+TASKDATA.pid] |
||
1217 | mov [eax+HDLL.pid], edx |
||
1218 | push eax |
||
1219 | call init_dlls_in_thread |
||
1220 | pop ebx |
||
1221 | test eax, eax |
||
1222 | jz .fail_and_free_user |
||
1223 | mov edx, [eax+HDLL.fd] |
||
1224 | mov [ebx+HDLL.fd], edx |
||
1225 | mov [ebx+HDLL.bk], eax |
||
1226 | mov [eax+HDLL.fd], ebx |
||
1227 | mov [edx+HDLL.bk], ebx |
||
1228 | mov eax, ebx |
||
1229 | mov ebx, [img_base] |
||
1230 | mov [eax+HDLL.base], ebx |
||
1231 | mov [eax+HDLL.size], edi |
||
1232 | mov [eax+HDLL.refcount], 1 |
||
1233 | mov [eax+HDLL.parent], esi |
||
1234 | mov edx, ebx |
||
1235 | shr edx, 12 |
||
7965 | hidnplayr | 1236 | or dword [page_tabs+(edx-1)*4], MEM_BLOCK_DONT_FREE |
2288 | clevermous | 1237 | ; copy entries of page table from kernel-side image to usermode |
1238 | ; use copy-on-write for user-mode image, so map as readonly |
||
1239 | xor edi, edi |
||
1240 | mov ecx, [esi+DLLDESCR.data] |
||
1241 | shr ecx, 12 |
||
1242 | .map_pages_loop: |
||
1243 | mov eax, [page_tabs+ecx*4] |
||
1244 | and eax, not 0xFFF |
||
5356 | serge | 1245 | or al, PG_UR |
2288 | clevermous | 1246 | xchg eax, [page_tabs+edx*4] |
1247 | test al, 1 |
||
1248 | jz @f |
||
1249 | call free_page |
||
1250 | @@: |
||
1251 | invlpg [ebx+edi] |
||
1252 | inc ecx |
||
1253 | inc edx |
||
1254 | add edi, 0x1000 |
||
1255 | cmp edi, [esi+DLLDESCR.size] |
||
1256 | jb .map_pages_loop |
||
1257 | |||
1258 | ; if real user-mode base is not equal to preferred base, relocate image |
||
1259 | sub ebx, [esi+DLLDESCR.defaultbase] |
||
1260 | jz @f |
||
1261 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
||
1262 | @@: |
||
1263 | |||
1264 | mov eax, [esi+DLLDESCR.exports] |
||
1265 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1266 | add eax, [img_base] |
||
3827 | clevermous | 1267 | sti |
2288 | clevermous | 1268 | ret |
6502 | pathoswith | 1269 | |
2288 | clevermous | 1270 | .fail_and_free_data: |
1271 | stdcall kernel_free, [esi+DLLDESCR.data] |
||
1272 | .fail_and_free_dll: |
||
1273 | mov eax, esi |
||
1274 | call free |
||
1275 | .fail_and_free_coff: |
||
1276 | stdcall kernel_free, [coff] |
||
1277 | .fail: |
||
6502 | pathoswith | 1278 | stdcall kernel_free, [fullname] |
2288 | clevermous | 1279 | xor eax, eax |
1280 | ret |
||
6502 | pathoswith | 1281 | |
2288 | clevermous | 1282 | .fail_and_free_user: |
1283 | stdcall user_free, [img_base] |
||
1284 | .fail_and_dereference: |
||
1285 | mov eax, 1 ; delete 1 reference |
||
1286 | call dereference_dll |
||
3827 | clevermous | 1287 | sti |
2288 | clevermous | 1288 | xor eax, eax |
1289 | ret |
||
1290 | endp |
||
1291 | |||
1292 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
||
1293 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
||
1294 | ; kept in sync for all threads of one process. |
||
1295 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
||
1296 | ; NULL if memory allocation failed |
||
1297 | init_dlls_in_thread: |
||
5130 | serge | 1298 | mov ebx, [current_process] |
1299 | mov eax, [ebx+PROC.dlls_list_ptr] |
||
2288 | clevermous | 1300 | test eax, eax |
1301 | jnz .ret |
||
5130 | serge | 1302 | |
2288 | clevermous | 1303 | mov eax, 8 |
5130 | serge | 1304 | call malloc ; FIXME |
2288 | clevermous | 1305 | test eax, eax |
1306 | jz .ret |
||
5130 | serge | 1307 | |
2288 | clevermous | 1308 | mov [eax], eax |
1309 | mov [eax+4], eax |
||
5130 | serge | 1310 | |
1311 | mov ebx, [current_process] |
||
1312 | mov [ebx+PROC.dlls_list_ptr], eax |
||
2288 | clevermous | 1313 | .ret: |
1314 | ret |
||
1315 | |||
1316 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
||
1317 | dereference_dll: |
||
1318 | sub [esi+DLLDESCR.refcount], eax |
||
1319 | jnz .ret |
||
1320 | mov eax, [esi+DLLDESCR.fd] |
||
1321 | mov edx, [esi+DLLDESCR.bk] |
||
1322 | mov [eax+DLLDESCR.bk], edx |
||
1323 | mov [edx+DLLDESCR.fd], eax |
||
1324 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
||
1325 | stdcall kernel_free, [esi+DLLDESCR.data] |
||
1326 | mov eax, esi |
||
1327 | call free |
||
1328 | .ret: |
||
1329 | ret |
||
1330 | |||
1331 | destroy_hdll: |
||
1332 | push ebx ecx esi edi |
||
1333 | mov ebx, [eax+HDLL.base] |
||
1334 | mov esi, [eax+HDLL.parent] |
||
1335 | mov edx, [esi+DLLDESCR.size] |
||
5130 | serge | 1336 | |
2288 | clevermous | 1337 | push eax |
1338 | mov esi, [eax+HDLL.parent] |
||
1339 | mov eax, [eax+HDLL.refcount] |
||
1340 | call dereference_dll |
||
1341 | pop eax |
||
1342 | mov edx, [eax+HDLL.bk] |
||
1343 | mov ebx, [eax+HDLL.fd] |
||
1344 | mov [ebx+HDLL.bk], edx |
||
1345 | mov [edx+HDLL.fd], ebx |
||
1346 | call free |
||
1347 | pop edi esi ecx ebx |
||
1348 | ret |
||
1349 | |||
1350 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
||
1351 | destroy_all_hdlls: |
||
1352 | test esi, esi |
||
1353 | jz .ret |
||
1354 | .loop: |
||
1355 | mov eax, [esi+HDLL.fd] |
||
1356 | cmp eax, esi |
||
1357 | jz free |
||
1358 | call destroy_hdll |
||
1359 | jmp .loop |
||
1360 | .ret: |
||
1361 | ret |
||
1362 | |||
1363 | align 4 |
||
1364 | stop_all_services: |
||
1365 | push ebp |
||
1366 | mov edx, [srv.fd] |
||
1367 | .next: |
||
2384 | hidnplayr | 1368 | cmp edx, srv.fd-SRV.fd |
2288 | clevermous | 1369 | je .done |
1370 | cmp [edx+SRV.magic], ' SRV' |
||
1371 | jne .next |
||
2384 | hidnplayr | 1372 | cmp [edx+SRV.size], sizeof.SRV |
2288 | clevermous | 1373 | jne .next |
1374 | |||
1375 | mov ebx, [edx+SRV.entry] |
||
1376 | mov edx, [edx+SRV.fd] |
||
1377 | test ebx, ebx |
||
1378 | jz .next |
||
1379 | |||
1380 | push edx |
||
1381 | mov ebp, esp |
||
1382 | push 0 |
||
1383 | push -1 |
||
1384 | call ebx |
||
1385 | mov esp, ebp |
||
1386 | pop edx |
||
1387 | jmp .next |
||
1388 | .done: |
||
1389 | pop ebp |
||
1390 | ret |
||
1391 | |||
1392 | ; param |
||
1393 | ; eax= size |
||
1394 | ; ebx= pid |
||
1395 | |||
1396 | align 4 |
||
1397 | create_kernel_object: |
||
1398 | |||
1399 | push ebx |
||
1400 | call malloc |
||
1401 | pop ebx |
||
1402 | test eax, eax |
||
1403 | jz .fail |
||
1404 | |||
1405 | mov ecx, [current_slot] |
||
1406 | add ecx, APP_OBJ_OFFSET |
||
1407 | |||
1408 | pushfd |
||
1409 | cli |
||
1410 | mov edx, [ecx+APPOBJ.fd] |
||
1411 | mov [eax+APPOBJ.fd], edx |
||
1412 | mov [eax+APPOBJ.bk], ecx |
||
1413 | mov [eax+APPOBJ.pid], ebx |
||
1414 | |||
1415 | mov [ecx+APPOBJ.fd], eax |
||
1416 | mov [edx+APPOBJ.bk], eax |
||
1417 | popfd |
||
1418 | .fail: |
||
1419 | ret |
||
1420 | |||
1421 | ; param |
||
1422 | ; eax= object |
||
1423 | |||
1424 | align 4 |
||
1425 | destroy_kernel_object: |
||
1426 | |||
1427 | pushfd |
||
1428 | cli |
||
1429 | mov ebx, [eax+APPOBJ.fd] |
||
1430 | mov ecx, [eax+APPOBJ.bk] |
||
1431 | mov [ebx+APPOBJ.bk], ecx |
||
1432 | mov [ecx+APPOBJ.fd], ebx |
||
1433 | popfd |
||
1434 | |||
1435 | xor edx, edx ;clear common header |
||
1436 | mov [eax], edx |
||
1437 | mov [eax+4], edx |
||
1438 | mov [eax+8], edx |
||
1439 | mov [eax+12], edx |
||
1440 | mov [eax+16], edx |
||
1441 | |||
1442 | call free ;release object memory |
||
1443 | ret |
||
5595 | serge | 1444 | |
6926 | serge | 1445 | |
1446 | ;void* __fastcall create_object(size_t size) |
||
5595 | serge | 1447 | ; param |
1448 | ; ecx= size |
||
1449 | |||
1450 | align 4 |
||
1451 | create_object: |
||
1452 | |||
1453 | push esi |
||
1454 | push edi |
||
1455 | pushfd |
||
1456 | cli |
||
1457 | |||
1458 | mov esi, [current_process] |
||
1459 | mov eax, [esi+PROC.ht_free] |
||
1460 | mov edi, [esi+PROC.ht_next] |
||
1461 | dec eax |
||
1462 | js .err0 |
||
1463 | |||
1464 | mov [esi+PROC.ht_free], eax |
||
1465 | mov eax, [esi+PROC.htab+edi*4] |
||
1466 | mov [esi+PROC.ht_next], eax |
||
1467 | popfd |
||
1468 | |||
1469 | mov eax, ecx |
||
1470 | call malloc |
||
1471 | test eax, eax |
||
1472 | jz .err1 |
||
1473 | |||
1474 | mov [eax+FUTEX.handle], edi |
||
1475 | mov [esi+PROC.htab+edi*4], eax |
||
1476 | pop edi |
||
1477 | pop esi |
||
1478 | ret |
||
1479 | |||
1480 | .err1: |
||
1481 | pushfd |
||
1482 | cli |
||
1483 | |||
1484 | mov eax, [esi+PROC.ht_next] |
||
1485 | mov [esi+PROC.htab+edi*4], eax |
||
1486 | mov [esi+PROC.ht_next], edi |
||
1487 | inc [esi+PROC.ht_free] |
||
1488 | .err0: |
||
1489 | popfd |
||
1490 | pop edi |
||
1491 | pop esi |
||
1492 | xor eax, eax |
||
1493 | ret |
||
1494 | |||
6926 | serge | 1495 | |
1496 | ;int __fastcall destroy_object(struct object *obj) |
||
1497 | |||
1498 | align 4 |
||
1499 | destroy_object: |
||
1500 | push esi |
||
1501 | mov esi, [current_process] |
||
1502 | mov edx, [ecx+FUTEX.handle] |
||
1503 | |||
1504 | pushfd |
||
1505 | cli |
||
1506 | |||
1507 | mov eax, [esi+PROC.ht_next] |
||
1508 | mov [esi+PROC.htab+edx*4], eax |
||
1509 | mov [esi+PROC.ht_next], edx |
||
1510 | inc [esi+PROC.ht_free] |
||
1511 | |||
1512 | popfd |
||
1513 | pop esi |
||
1514 | |||
1515 | mov eax, ecx |
||
1516 | call free |
||
1517 | xor eax, eax |
||
1518 | ret |
||
1519 | .fail: |
||
1520 | popfd |
||
1521 | pop esi |
||
1522 | mov eax, -1 |
||
1523 | ret |
||
1524 |