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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: 9440 $ |
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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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9430 | Doczom | 175 | |
176 | cmp eax, OS_BASE |
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9440 | Doczom | 177 | jbe .fail |
9430 | Doczom | 178 | |
2288 | clevermous | 179 | cmp [eax+SRV.magic], ' SRV' |
180 | jne .fail |
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181 | |||
2384 | hidnplayr | 182 | cmp [eax+SRV.size], sizeof.SRV |
2288 | clevermous | 183 | jne .fail |
184 | |||
3520 | clevermous | 185 | ; stdcall [eax+SRV.srv_proc], ecx |
186 | mov eax, [eax+SRV.srv_proc] |
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187 | test eax, eax |
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188 | jz .fail |
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189 | stdcall eax, ecx |
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2288 | clevermous | 190 | ret |
191 | .fail: |
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192 | or eax, -1 |
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193 | ret |
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194 | |||
195 | restore handle |
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196 | restore io_code |
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197 | restore input |
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198 | restore inp_size |
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199 | restore output |
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200 | restore out_size |
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201 | |||
202 | align 4 |
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203 | proc get_service stdcall, sz_name:dword |
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204 | mov eax, [sz_name] |
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205 | test eax, eax |
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206 | jnz @F |
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207 | ret |
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208 | @@: |
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209 | mov edx, [srv.fd] |
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210 | @@: |
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2384 | hidnplayr | 211 | cmp edx, srv.fd-SRV.fd |
2288 | clevermous | 212 | je .not_load |
213 | |||
214 | stdcall strncmp, edx, [sz_name], 16 |
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215 | test eax, eax |
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5088 | clevermous | 216 | mov eax, edx |
217 | je .nothing |
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2288 | clevermous | 218 | |
219 | mov edx, [edx+SRV.fd] |
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220 | jmp @B |
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221 | .not_load: |
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4418 | clevermous | 222 | mov eax, [sz_name] |
223 | push edi |
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224 | sub esp, 36 |
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225 | mov edi, esp |
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226 | mov dword [edi], '/sys' |
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227 | mov dword [edi+4], '/dri' |
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228 | mov dword [edi+8], 'vers' |
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229 | mov byte [edi+12], '/' |
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230 | @@: |
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231 | mov dl, [eax] |
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232 | mov [edi+13], dl |
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233 | inc eax |
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234 | inc edi |
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235 | test dl, dl |
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236 | jnz @b |
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237 | mov dword [edi+12], '.sys' |
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238 | mov byte [edi+16], 0 |
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239 | mov edi, esp |
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240 | stdcall load_pe_driver, edi, 0 |
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241 | add esp, 36 |
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242 | pop edi |
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243 | .nothing: |
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2288 | clevermous | 244 | ret |
245 | endp |
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246 | |||
3520 | clevermous | 247 | reg_service: |
248 | xor eax, eax |
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249 | mov ecx, [esp+8] |
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250 | jecxz .nothing |
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251 | push sizeof.SRV |
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252 | push ecx |
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253 | pushd [esp+12] |
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254 | call reg_service_ex |
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255 | .nothing: |
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256 | ret 8 |
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2288 | clevermous | 257 | |
3520 | clevermous | 258 | reg_usb_driver: |
259 | push sizeof.USBSRV |
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260 | pushd [esp+12] |
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261 | pushd [esp+12] |
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262 | call reg_service_ex |
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263 | test eax, eax |
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264 | jz .nothing |
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265 | mov ecx, [esp+12] |
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266 | mov [eax+USBSRV.usb_func], ecx |
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267 | .nothing: |
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268 | ret 12 |
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269 | |||
270 | proc reg_service_ex stdcall, name:dword, handler:dword, srvsize:dword |
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271 | |||
2288 | clevermous | 272 | push ebx |
273 | |||
274 | xor eax, eax |
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275 | |||
276 | cmp [name], eax |
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277 | je .fail |
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278 | |||
3520 | clevermous | 279 | ; cmp [handler], eax |
280 | ; je .fail |
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2288 | clevermous | 281 | |
3520 | clevermous | 282 | mov eax, [srvsize] |
2288 | clevermous | 283 | call malloc |
284 | test eax, eax |
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285 | jz .fail |
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286 | |||
287 | push esi |
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288 | push edi |
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289 | mov edi, eax |
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290 | mov esi, [name] |
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291 | movsd |
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292 | movsd |
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293 | movsd |
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294 | movsd |
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295 | pop edi |
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296 | pop esi |
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297 | |||
298 | mov [eax+SRV.magic], ' SRV' |
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2384 | hidnplayr | 299 | mov [eax+SRV.size], sizeof.SRV |
2288 | clevermous | 300 | |
2384 | hidnplayr | 301 | mov ebx, srv.fd-SRV.fd |
2288 | clevermous | 302 | mov edx, [ebx+SRV.fd] |
303 | mov [eax+SRV.fd], edx |
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304 | mov [eax+SRV.bk], ebx |
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305 | mov [ebx+SRV.fd], eax |
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306 | mov [edx+SRV.bk], eax |
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307 | |||
308 | mov ecx, [handler] |
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309 | mov [eax+SRV.srv_proc], ecx |
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9440 | Doczom | 310 | ;dec [count_services] |
2288 | clevermous | 311 | pop ebx |
312 | ret |
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313 | .fail: |
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314 | xor eax, eax |
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315 | pop ebx |
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316 | ret |
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317 | endp |
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318 | |||
319 | align 4 |
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320 | proc get_proc stdcall, exp:dword, sz_name:dword |
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321 | |||
322 | mov edx, [exp] |
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323 | .next: |
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324 | mov eax, [edx] |
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325 | test eax, eax |
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326 | jz .end |
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327 | |||
328 | push edx |
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329 | stdcall strncmp, eax, [sz_name], 16 |
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330 | pop edx |
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331 | test eax, eax |
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332 | jz .ok |
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333 | |||
334 | add edx, 8 |
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335 | jmp .next |
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336 | .ok: |
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337 | mov eax, [edx+4] |
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338 | .end: |
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339 | ret |
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340 | endp |
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341 | |||
342 | align 4 |
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343 | proc get_coff_sym stdcall, pSym:dword,count:dword, sz_sym:dword |
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344 | |||
345 | @@: |
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346 | stdcall strncmp, [pSym], [sz_sym], 8 |
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347 | test eax, eax |
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348 | jz .ok |
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349 | add [pSym], 18 |
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350 | dec [count] |
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351 | jnz @b |
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352 | xor eax, eax |
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353 | ret |
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354 | .ok: |
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355 | mov eax, [pSym] |
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356 | mov eax, [eax+8] |
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357 | ret |
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358 | endp |
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359 | |||
360 | align 4 |
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361 | proc get_curr_task |
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8869 | rgimad | 362 | mov eax, [current_slot_idx] |
2288 | clevermous | 363 | shl eax, 8 |
364 | ret |
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365 | endp |
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366 | |||
367 | align 4 |
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368 | proc get_fileinfo stdcall, file_name:dword, info:dword |
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369 | locals |
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370 | cmd dd ? |
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371 | offset dd ? |
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372 | dd ? |
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373 | count dd ? |
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374 | buff dd ? |
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375 | db ? |
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376 | name dd ? |
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377 | endl |
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378 | |||
379 | xor eax, eax |
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380 | mov ebx, [file_name] |
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381 | mov ecx, [info] |
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382 | |||
383 | mov [cmd], 5 |
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384 | mov [offset], eax |
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385 | mov [offset+4], eax |
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386 | mov [count], eax |
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387 | mov [buff], ecx |
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388 | mov byte [buff+4], al |
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389 | mov [name], ebx |
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390 | |||
391 | mov eax, 70 |
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392 | lea ebx, [cmd] |
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8680 | rgimad | 393 | pushad |
394 | cld |
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395 | call protect_from_terminate |
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396 | call file_system_lfn |
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397 | call unprotect_from_terminate |
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398 | popad |
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2288 | clevermous | 399 | ret |
400 | endp |
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401 | |||
402 | align 4 |
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403 | proc read_file stdcall,file_name:dword, buffer:dword, off:dword,\ |
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404 | bytes:dword |
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405 | locals |
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406 | cmd dd ? |
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407 | offset dd ? |
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408 | dd ? |
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409 | count dd ? |
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410 | buff dd ? |
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411 | db ? |
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412 | name dd ? |
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413 | endl |
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414 | |||
415 | xor eax, eax |
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416 | mov ebx, [file_name] |
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417 | mov ecx, [off] |
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418 | mov edx, [bytes] |
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419 | mov esi, [buffer] |
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420 | |||
421 | mov [cmd], eax |
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422 | mov [offset], ecx |
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423 | mov [offset+4], eax |
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424 | mov [count], edx |
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425 | mov [buff], esi |
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426 | mov byte [buff+4], al |
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427 | mov [name], ebx |
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428 | |||
429 | pushad |
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430 | lea ebx, [cmd] |
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3296 | clevermous | 431 | call file_system_lfn_protected |
2288 | clevermous | 432 | popad |
433 | ret |
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434 | endp |
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435 | |||
9034 | Boppan | 436 | align 4 |
437 | ; @brief Allocate kernel memory and loads the specified file |
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2288 | clevermous | 438 | ; |
9034 | Boppan | 439 | ; @param file_name Path to file |
2288 | clevermous | 440 | ; |
9034 | Boppan | 441 | ; @returns File image in kernel memory in `eax` and size of file in `ebx` |
2288 | clevermous | 442 | ; |
9034 | Boppan | 443 | ; @warning You must call kernel_free() to delete each file loaded by the |
444 | ; load_file() function |
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2288 | clevermous | 445 | proc load_file stdcall, file_name:dword |
446 | locals |
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447 | attr dd ? |
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448 | flags dd ? |
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449 | cr_time dd ? |
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450 | cr_date dd ? |
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451 | acc_time dd ? |
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452 | acc_date dd ? |
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453 | mod_time dd ? |
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454 | mod_date dd ? |
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455 | file_size dd ? |
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456 | |||
457 | file dd ? |
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458 | file2 dd ? |
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459 | endl |
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460 | |||
461 | push esi |
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462 | push edi |
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463 | |||
464 | lea eax, [attr] |
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465 | stdcall get_fileinfo, [file_name], eax |
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466 | test eax, eax |
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467 | jnz .fail |
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468 | |||
469 | mov eax, [file_size] |
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470 | cmp eax, 1024*1024*16 |
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471 | ja .fail |
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472 | |||
473 | stdcall kernel_alloc, [file_size] |
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474 | mov [file], eax |
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475 | test eax, eax |
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476 | jz .fail |
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477 | |||
478 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
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479 | cmp ebx, [file_size] |
||
480 | jne .cleanup |
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481 | |||
482 | mov eax, [file] |
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7122 | dunkaist | 483 | cmp dword [eax], 'KPCK' |
2288 | clevermous | 484 | jne .exit |
485 | mov ebx, [eax+4] |
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486 | mov [file_size], ebx |
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487 | stdcall kernel_alloc, ebx |
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488 | |||
489 | test eax, eax |
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490 | jz .cleanup |
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491 | |||
492 | mov [file2], eax |
||
2486 | mario79 | 493 | |
2500 | mario79 | 494 | pushad |
2489 | mario79 | 495 | mov ecx, unpack_mutex |
496 | call mutex_lock |
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2500 | mario79 | 497 | popad |
2486 | mario79 | 498 | |
2288 | clevermous | 499 | stdcall unpack, [file], eax |
2486 | mario79 | 500 | |
2500 | mario79 | 501 | pushad |
502 | mov ecx, unpack_mutex |
||
2489 | mario79 | 503 | call mutex_unlock |
2500 | mario79 | 504 | popad |
2486 | mario79 | 505 | |
2288 | clevermous | 506 | stdcall kernel_free, [file] |
507 | mov eax, [file2] |
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508 | mov ebx, [file_size] |
||
509 | .exit: |
||
510 | push eax |
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511 | lea edi, [eax+ebx] ;cleanup remain space |
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512 | mov ecx, 4096 ;from file end |
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513 | and ebx, 4095 |
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514 | jz @f |
||
515 | sub ecx, ebx |
||
516 | xor eax, eax |
||
517 | cld |
||
518 | rep stosb |
||
519 | @@: |
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520 | mov ebx, [file_size] |
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521 | pop eax |
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522 | pop edi |
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523 | pop esi |
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524 | ret |
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525 | .cleanup: |
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526 | stdcall kernel_free, [file] |
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527 | .fail: |
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528 | xor eax, eax |
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529 | xor ebx, ebx |
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530 | pop edi |
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531 | pop esi |
||
532 | ret |
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533 | endp |
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534 | |||
3786 | Serge | 535 | ; description |
536 | ; allocate user memory and loads the specified file |
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537 | ; |
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538 | ; param |
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539 | ; file_name= path to file |
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540 | ; |
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541 | ; retval |
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542 | ; eax= file image in user memory |
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543 | ; ebx= size of file |
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544 | ; |
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545 | ; warging |
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546 | ; You mast call kernel_free() to delete each file |
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547 | ; loaded by the load_file() function |
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548 | |||
549 | align 4 |
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550 | proc load_file_umode stdcall, file_name:dword |
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551 | locals |
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552 | attr dd ? |
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553 | flags dd ? |
||
554 | cr_time dd ? |
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555 | cr_date dd ? |
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556 | acc_time dd ? |
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557 | acc_date dd ? |
||
558 | mod_time dd ? |
||
559 | mod_date dd ? |
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560 | file_size dd ? |
||
561 | |||
562 | km_file dd ? |
||
563 | um_file dd ? |
||
564 | endl |
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565 | |||
566 | push esi |
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567 | push edi |
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568 | push ebx |
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569 | |||
570 | lea eax, [attr] |
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571 | stdcall get_fileinfo, [file_name], eax ;find file and get info |
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572 | test eax, eax |
||
573 | jnz .err_1 |
||
574 | |||
575 | mov eax, [file_size] |
||
576 | cmp eax, 1024*1024*16 ;to be enough for anybody (c) |
||
577 | ja .err_1 |
||
578 | ;it is very likely that the file is packed |
||
579 | stdcall kernel_alloc, [file_size] ;with kpack, so allocate memory from kernel heap |
||
580 | mov [km_file], eax |
||
581 | test eax, eax |
||
582 | jz .err_1 |
||
583 | |||
584 | stdcall read_file, [file_name], eax, dword 0, [file_size] |
||
585 | cmp ebx, [file_size] |
||
586 | |||
587 | jne .err_2 |
||
588 | |||
589 | mov eax, [km_file] |
||
7122 | dunkaist | 590 | cmp dword [eax], 'KPCK' ; check kpack signature |
3786 | Serge | 591 | jne .raw_file |
592 | |||
593 | mov ebx, [eax+4] ;get real size of file |
||
594 | mov [file_size], ebx |
||
4237 | Serge | 595 | stdcall user_alloc, ebx ;and allocate space from user heap |
3786 | Serge | 596 | mov [um_file], eax |
597 | test eax, eax |
||
598 | jz .err_2 |
||
599 | |||
4237 | Serge | 600 | mov edx, [file_size] ;preallocate page memory |
601 | shr eax, 10 |
||
602 | lea edi, [page_tabs+eax] |
||
603 | add edx, 4095 |
||
604 | shr edx, 12 |
||
605 | @@: |
||
606 | call alloc_page |
||
607 | test eax, eax |
||
608 | jz .err_3 |
||
609 | |||
5356 | serge | 610 | or eax, PG_UWR |
4237 | Serge | 611 | stosd |
612 | dec edx |
||
613 | jnz @B |
||
614 | |||
3786 | Serge | 615 | pushad |
616 | mov ecx, unpack_mutex |
||
617 | call mutex_lock |
||
618 | |||
619 | stdcall unpack, [km_file], [um_file] |
||
620 | |||
621 | mov ecx, unpack_mutex |
||
622 | call mutex_unlock |
||
623 | popad |
||
624 | |||
625 | stdcall kernel_free, [km_file] ;we don't need packed file anymore |
||
626 | .exit: |
||
4237 | Serge | 627 | |
628 | mov edi, [um_file] |
||
629 | mov esi, [um_file] |
||
630 | mov eax, [file_size] |
||
631 | mov edx, eax |
||
632 | |||
633 | add edi, eax ;cleanup remain space |
||
634 | mov ecx, 4096 ;from file end |
||
635 | and eax, 4095 |
||
636 | jz @f |
||
637 | sub ecx, eax |
||
638 | xor eax, eax |
||
639 | cld |
||
640 | rep stosb |
||
641 | @@: |
||
3786 | Serge | 642 | mov eax, [um_file] |
643 | |||
644 | pop ebx |
||
645 | pop edi |
||
646 | pop esi |
||
647 | ret |
||
648 | |||
649 | .raw_file: ; sometimes we load unpacked file |
||
650 | stdcall user_alloc, ebx ; allocate space from user heap |
||
651 | mov [um_file], eax |
||
652 | |||
653 | test eax, eax |
||
654 | jz .err_2 |
||
655 | |||
656 | shr eax, 10 ; and remap pages. |
||
657 | |||
658 | mov ecx, [file_size] |
||
659 | add ecx, 4095 |
||
660 | shr ecx, 12 |
||
661 | |||
662 | mov esi, [km_file] |
||
663 | shr esi, 10 |
||
664 | add esi, page_tabs |
||
665 | |||
666 | lea edi, [page_tabs+eax] |
||
667 | |||
668 | cld |
||
669 | @@: |
||
670 | lodsd |
||
671 | and eax, 0xFFFFF000 |
||
5356 | serge | 672 | or eax, PG_UWR |
3786 | Serge | 673 | stosd |
674 | loop @B |
||
675 | |||
676 | stdcall free_kernel_space, [km_file] ; release allocated kernel space |
||
677 | jmp .exit ; physical pages still in use |
||
4237 | Serge | 678 | .err_3: |
679 | stdcall user_free, [um_file] |
||
3786 | Serge | 680 | .err_2: |
681 | stdcall kernel_free, [km_file] |
||
682 | .err_1: |
||
683 | xor eax, eax |
||
684 | xor edx, edx |
||
685 | |||
686 | pop ebx |
||
687 | pop edi |
||
688 | pop esi |
||
689 | ret |
||
690 | endp |
||
691 | |||
692 | |||
2489 | mario79 | 693 | uglobal |
2288 | clevermous | 694 | align 4 |
2489 | mario79 | 695 | unpack_mutex MUTEX |
2486 | mario79 | 696 | endg |
697 | |||
698 | align 4 |
||
3761 | clevermous | 699 | proc get_proc_ex stdcall uses ebx esi, proc_name:dword, imports:dword |
700 | mov ebx, [imports] |
||
701 | test ebx, ebx |
||
702 | jz .end |
||
703 | xor esi, esi |
||
2288 | clevermous | 704 | .look_up: |
705 | |||
3761 | clevermous | 706 | mov eax, [ebx+32] |
707 | mov eax, [OS_BASE+eax+esi*4] |
||
708 | add eax, OS_BASE |
||
2288 | clevermous | 709 | stdcall strncmp, eax, [proc_name], 256 |
710 | test eax, eax |
||
711 | jz .ok |
||
712 | |||
3761 | clevermous | 713 | inc esi |
714 | cmp esi, [ebx+24] |
||
715 | jb .look_up |
||
2288 | clevermous | 716 | .end: |
717 | xor eax, eax |
||
718 | ret |
||
3761 | clevermous | 719 | .ok: |
720 | mov eax, [ebx+28] |
||
721 | mov eax, [OS_BASE+eax+esi*4] |
||
722 | add eax, OS_BASE |
||
723 | ret |
||
2288 | clevermous | 724 | endp |
725 | |||
726 | align 4 |
||
727 | proc fix_coff_symbols stdcall uses ebx esi, sec:dword, symbols:dword,\ |
||
728 | sym_count:dword, strings:dword, imports:dword |
||
729 | locals |
||
730 | retval dd ? |
||
731 | endl |
||
732 | |||
733 | mov edi, [symbols] |
||
734 | mov [retval], 1 |
||
735 | .fix: |
||
2384 | hidnplayr | 736 | movzx ebx, [edi+COFF_SYM.SectionNumber] |
2288 | clevermous | 737 | test ebx, ebx |
738 | jnz .internal |
||
2384 | hidnplayr | 739 | mov eax, dword [edi+COFF_SYM.Name] |
2288 | clevermous | 740 | test eax, eax |
741 | jnz @F |
||
742 | |||
743 | mov edi, [edi+4] |
||
744 | add edi, [strings] |
||
745 | @@: |
||
746 | push edi |
||
747 | stdcall get_proc_ex, edi, [imports] |
||
748 | pop edi |
||
749 | |||
750 | xor ebx, ebx |
||
751 | test eax, eax |
||
752 | jnz @F |
||
753 | |||
5998 | veliant | 754 | ; disable debug msg |
755 | ;mov esi, msg_unresolved |
||
756 | ;call sys_msg_board_str |
||
757 | ;mov esi, edi |
||
758 | ;call sys_msg_board_str |
||
759 | ;mov esi, msg_CR |
||
760 | ;call sys_msg_board_str |
||
2288 | clevermous | 761 | |
762 | mov [retval], 0 |
||
763 | @@: |
||
764 | mov edi, [symbols] |
||
2384 | hidnplayr | 765 | mov [edi+COFF_SYM.Value], eax |
2288 | clevermous | 766 | jmp .next |
767 | .internal: |
||
768 | cmp bx, -1 |
||
769 | je .next |
||
770 | cmp bx, -2 |
||
771 | je .next |
||
772 | |||
773 | dec ebx |
||
774 | shl ebx, 3 |
||
775 | lea ebx, [ebx+ebx*4] |
||
776 | add ebx, [sec] |
||
777 | |||
2384 | hidnplayr | 778 | mov eax, [ebx+COFF_SECTION.VirtualAddress] |
779 | add [edi+COFF_SYM.Value], eax |
||
2288 | clevermous | 780 | .next: |
2384 | hidnplayr | 781 | add edi, sizeof.COFF_SYM |
2288 | clevermous | 782 | mov [symbols], edi |
783 | dec [sym_count] |
||
784 | jnz .fix |
||
785 | mov eax, [retval] |
||
786 | ret |
||
787 | endp |
||
788 | |||
789 | align 4 |
||
790 | proc fix_coff_relocs stdcall uses ebx esi, coff:dword, sym:dword, \ |
||
791 | delta:dword |
||
792 | locals |
||
793 | n_sec dd ? |
||
794 | endl |
||
795 | |||
796 | mov eax, [coff] |
||
2384 | hidnplayr | 797 | movzx ebx, [eax+COFF_HEADER.nSections] |
2288 | clevermous | 798 | mov [n_sec], ebx |
799 | lea esi, [eax+20] |
||
800 | .fix_sec: |
||
2384 | hidnplayr | 801 | mov edi, [esi+COFF_SECTION.PtrReloc] |
2288 | clevermous | 802 | add edi, [coff] |
803 | |||
2384 | hidnplayr | 804 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
2288 | clevermous | 805 | test ecx, ecx |
806 | jz .next |
||
807 | .reloc_loop: |
||
2384 | hidnplayr | 808 | mov ebx, [edi+COFF_RELOC.SymIndex] |
2288 | clevermous | 809 | add ebx, ebx |
810 | lea ebx, [ebx+ebx*8] |
||
811 | add ebx, [sym] |
||
812 | |||
2384 | hidnplayr | 813 | mov edx, [ebx+COFF_SYM.Value] |
2288 | clevermous | 814 | |
2384 | hidnplayr | 815 | cmp [edi+COFF_RELOC.Type], 6 |
2288 | clevermous | 816 | je .dir_32 |
817 | |||
2384 | hidnplayr | 818 | cmp [edi+COFF_RELOC.Type], 20 |
2288 | clevermous | 819 | jne .next_reloc |
820 | .rel_32: |
||
2384 | hidnplayr | 821 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
822 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 823 | sub edx, eax |
824 | sub edx, 4 |
||
825 | jmp .fix |
||
826 | .dir_32: |
||
2384 | hidnplayr | 827 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
828 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 829 | .fix: |
830 | add eax, [delta] |
||
831 | add [eax], edx |
||
832 | .next_reloc: |
||
833 | add edi, 10 |
||
834 | dec ecx |
||
835 | jnz .reloc_loop |
||
836 | .next: |
||
2384 | hidnplayr | 837 | add esi, sizeof.COFF_SECTION |
2288 | clevermous | 838 | dec [n_sec] |
839 | jnz .fix_sec |
||
840 | .exit: |
||
841 | ret |
||
842 | endp |
||
843 | |||
844 | align 4 |
||
845 | proc rebase_coff stdcall uses ebx esi, coff:dword, sym:dword, \ |
||
846 | delta:dword |
||
847 | locals |
||
848 | n_sec dd ? |
||
849 | endl |
||
850 | |||
851 | mov eax, [coff] |
||
2384 | hidnplayr | 852 | movzx ebx, [eax+COFF_HEADER.nSections] |
2288 | clevermous | 853 | mov [n_sec], ebx |
854 | lea esi, [eax+20] |
||
855 | mov edx, [delta] |
||
856 | .fix_sec: |
||
2384 | hidnplayr | 857 | mov edi, [esi+COFF_SECTION.PtrReloc] |
2288 | clevermous | 858 | add edi, [coff] |
859 | |||
2384 | hidnplayr | 860 | movzx ecx, [esi+COFF_SECTION.NumReloc] |
2288 | clevermous | 861 | test ecx, ecx |
862 | jz .next |
||
863 | .reloc_loop: |
||
2384 | hidnplayr | 864 | cmp [edi+COFF_RELOC.Type], 6 |
2288 | clevermous | 865 | jne .next_reloc |
866 | .dir_32: |
||
2384 | hidnplayr | 867 | mov eax, [edi+COFF_RELOC.VirtualAddress] |
868 | add eax, [esi+COFF_SECTION.VirtualAddress] |
||
2288 | clevermous | 869 | add [eax+edx], edx |
870 | .next_reloc: |
||
871 | add edi, 10 |
||
872 | dec ecx |
||
873 | jnz .reloc_loop |
||
874 | .next: |
||
2384 | hidnplayr | 875 | add esi, sizeof.COFF_SECTION |
2288 | clevermous | 876 | dec [n_sec] |
877 | jnz .fix_sec |
||
878 | .exit: |
||
879 | ret |
||
880 | endp |
||
881 | |||
882 | ; in: edx -> COFF_SECTION struct |
||
883 | ; out: eax = alignment as mask for bits to drop |
||
884 | coff_get_align: |
||
885 | ; Rules: |
||
886 | ; - if alignment is not given, use default = 4K; |
||
887 | ; - if alignment is given and is no more than 4K, use it; |
||
888 | ; - if alignment is more than 4K, revert to 4K. |
||
889 | push ecx |
||
2384 | hidnplayr | 890 | mov cl, byte [edx+COFF_SECTION.Characteristics+2] |
2288 | clevermous | 891 | mov eax, 1 |
892 | shr cl, 4 |
||
893 | dec cl |
||
894 | js .default |
||
895 | cmp cl, 12 |
||
896 | jbe @f |
||
897 | .default: |
||
898 | mov cl, 12 |
||
899 | @@: |
||
900 | shl eax, cl |
||
901 | pop ecx |
||
902 | dec eax |
||
903 | ret |
||
904 | |||
905 | align 4 |
||
6792 | pathoswith | 906 | proc load_library stdcall, file_name:dword, encoding:dword |
6502 | pathoswith | 907 | locals |
908 | fullname dd ? |
||
909 | fileinfo rb 40 |
||
910 | coff dd ? |
||
911 | img_base dd ? |
||
912 | endl |
||
2288 | clevermous | 913 | |
914 | ; resolve file name |
||
6502 | pathoswith | 915 | stdcall kernel_alloc, maxPathLength |
916 | mov [fullname], eax |
||
6792 | pathoswith | 917 | mov edi, eax |
918 | mov esi, [file_name] |
||
919 | mov eax, [encoding] |
||
920 | push ebp |
||
921 | call getFullPath |
||
922 | pop ebp |
||
6502 | pathoswith | 923 | test eax, eax |
2288 | clevermous | 924 | jz .fail |
925 | ; scan for required DLL in list of already loaded for this process, |
||
926 | ; ignore timestamp |
||
3827 | clevermous | 927 | cli |
5130 | serge | 928 | mov esi, [current_process] |
6502 | pathoswith | 929 | mov edi, [fullname] |
5130 | serge | 930 | mov ebx, [esi+PROC.dlls_list_ptr] |
2288 | clevermous | 931 | test ebx, ebx |
932 | jz .not_in_process |
||
933 | mov esi, [ebx+HDLL.fd] |
||
934 | .scan_in_process: |
||
935 | cmp esi, ebx |
||
936 | jz .not_in_process |
||
937 | mov eax, [esi+HDLL.parent] |
||
938 | add eax, DLLDESCR.name |
||
939 | stdcall strncmp, eax, edi, -1 |
||
940 | test eax, eax |
||
941 | jnz .next_in_process |
||
942 | ; simple variant: load DLL which is already loaded in this process |
||
943 | ; just increment reference counters and return address of exports table |
||
944 | inc [esi+HDLL.refcount] |
||
945 | mov ecx, [esi+HDLL.parent] |
||
946 | inc [ecx+DLLDESCR.refcount] |
||
947 | mov eax, [ecx+DLLDESCR.exports] |
||
948 | sub eax, [ecx+DLLDESCR.defaultbase] |
||
949 | add eax, [esi+HDLL.base] |
||
3827 | clevermous | 950 | sti |
6502 | pathoswith | 951 | push eax |
952 | stdcall kernel_free, [fullname] |
||
953 | pop eax |
||
2288 | clevermous | 954 | ret |
6502 | pathoswith | 955 | |
2288 | clevermous | 956 | .next_in_process: |
957 | mov esi, [esi+HDLL.fd] |
||
958 | jmp .scan_in_process |
||
6502 | pathoswith | 959 | |
2288 | clevermous | 960 | .not_in_process: |
961 | ; scan in full list, compare timestamp |
||
3827 | clevermous | 962 | sti |
2288 | clevermous | 963 | lea eax, [fileinfo] |
964 | stdcall get_fileinfo, edi, eax |
||
965 | test eax, eax |
||
966 | jnz .fail |
||
3827 | clevermous | 967 | cli |
2288 | clevermous | 968 | mov esi, [dll_list.fd] |
969 | .scan_for_dlls: |
||
970 | cmp esi, dll_list |
||
971 | jz .load_new |
||
972 | lea eax, [esi+DLLDESCR.name] |
||
973 | stdcall strncmp, eax, edi, -1 |
||
974 | test eax, eax |
||
975 | jnz .continue_scan |
||
976 | .test_prev_dll: |
||
977 | mov eax, dword [fileinfo+24]; last modified time |
||
978 | mov edx, dword [fileinfo+28]; last modified date |
||
979 | cmp dword [esi+DLLDESCR.timestamp], eax |
||
980 | jnz .continue_scan |
||
981 | cmp dword [esi+DLLDESCR.timestamp+4], edx |
||
982 | jz .dll_already_loaded |
||
983 | .continue_scan: |
||
984 | mov esi, [esi+DLLDESCR.fd] |
||
985 | jmp .scan_for_dlls |
||
986 | |||
987 | ; new DLL |
||
988 | .load_new: |
||
3827 | clevermous | 989 | sti |
2288 | clevermous | 990 | ; load file |
991 | stdcall load_file, edi |
||
992 | test eax, eax |
||
993 | jz .fail |
||
994 | mov [coff], eax |
||
995 | mov dword [fileinfo+32], ebx |
||
996 | |||
997 | ; allocate DLLDESCR struct; size is DLLDESCR.sizeof plus size of DLL name |
||
998 | mov esi, edi |
||
999 | mov ecx, -1 |
||
1000 | xor eax, eax |
||
1001 | repnz scasb |
||
1002 | not ecx |
||
2384 | hidnplayr | 1003 | lea eax, [ecx+sizeof.DLLDESCR] |
2288 | clevermous | 1004 | push ecx |
1005 | call malloc |
||
1006 | pop ecx |
||
1007 | test eax, eax |
||
1008 | jz .fail_and_free_coff |
||
1009 | ; save timestamp |
||
1010 | lea edi, [eax+DLLDESCR.name] |
||
1011 | rep movsb |
||
1012 | mov esi, eax |
||
1013 | mov eax, dword [fileinfo+24] |
||
1014 | mov dword [esi+DLLDESCR.timestamp], eax |
||
1015 | mov eax, dword [fileinfo+28] |
||
1016 | mov dword [esi+DLLDESCR.timestamp+4], eax |
||
1017 | |||
1018 | ; calculate size of loaded DLL |
||
1019 | mov edx, [coff] |
||
2384 | hidnplayr | 1020 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1021 | xor ebx, ebx |
1022 | |||
1023 | add edx, 20 |
||
1024 | @@: |
||
1025 | call coff_get_align |
||
1026 | add ebx, eax |
||
1027 | not eax |
||
1028 | and ebx, eax |
||
2384 | hidnplayr | 1029 | add ebx, [edx+COFF_SECTION.SizeOfRawData] |
1030 | add edx, sizeof.COFF_SECTION |
||
2288 | clevermous | 1031 | dec ecx |
1032 | jnz @B |
||
1033 | ; it must be nonzero and not too big |
||
1034 | mov [esi+DLLDESCR.size], ebx |
||
1035 | test ebx, ebx |
||
1036 | jz .fail_and_free_dll |
||
1037 | cmp ebx, MAX_DEFAULT_DLL_ADDR-MIN_DEFAULT_DLL_ADDR |
||
1038 | ja .fail_and_free_dll |
||
1039 | ; allocate memory for kernel-side image |
||
1040 | stdcall kernel_alloc, ebx |
||
1041 | test eax, eax |
||
1042 | jz .fail_and_free_dll |
||
1043 | mov [esi+DLLDESCR.data], eax |
||
1044 | ; calculate preferred base address |
||
1045 | add ebx, 0x1FFF |
||
1046 | and ebx, not 0xFFF |
||
1047 | mov ecx, [dll_cur_addr] |
||
1048 | lea edx, [ecx+ebx] |
||
1049 | cmp edx, MAX_DEFAULT_DLL_ADDR |
||
1050 | jb @f |
||
1051 | mov ecx, MIN_DEFAULT_DLL_ADDR |
||
1052 | lea edx, [ecx+ebx] |
||
1053 | @@: |
||
1054 | mov [esi+DLLDESCR.defaultbase], ecx |
||
1055 | mov [dll_cur_addr], edx |
||
1056 | |||
1057 | ; copy sections and set correct values for VirtualAddress'es in headers |
||
1058 | push esi |
||
1059 | mov edx, [coff] |
||
2384 | hidnplayr | 1060 | movzx ebx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1061 | mov edi, eax |
1062 | add edx, 20 |
||
1063 | cld |
||
1064 | @@: |
||
1065 | call coff_get_align |
||
1066 | add ecx, eax |
||
1067 | add edi, eax |
||
1068 | not eax |
||
1069 | and ecx, eax |
||
1070 | and edi, eax |
||
2384 | hidnplayr | 1071 | mov [edx+COFF_SECTION.VirtualAddress], ecx |
1072 | add ecx, [edx+COFF_SECTION.SizeOfRawData] |
||
1073 | mov esi, [edx+COFF_SECTION.PtrRawData] |
||
2288 | clevermous | 1074 | push ecx |
2384 | hidnplayr | 1075 | mov ecx, [edx+COFF_SECTION.SizeOfRawData] |
2288 | clevermous | 1076 | test esi, esi |
1077 | jnz .copy |
||
1078 | xor eax, eax |
||
1079 | rep stosb |
||
1080 | jmp .next |
||
1081 | .copy: |
||
1082 | add esi, [coff] |
||
1083 | rep movsb |
||
1084 | .next: |
||
1085 | pop ecx |
||
2384 | hidnplayr | 1086 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1087 | dec ebx |
1088 | jnz @B |
||
1089 | pop esi |
||
1090 | |||
1091 | ; save some additional data from COFF file |
||
1092 | ; later we will use COFF header, headers for sections and symbol table |
||
1093 | ; and also relocations table for all sections |
||
1094 | mov edx, [coff] |
||
2384 | hidnplayr | 1095 | mov ebx, [edx+COFF_HEADER.pSymTable] |
2288 | clevermous | 1096 | mov edi, dword [fileinfo+32] |
1097 | sub edi, ebx |
||
1098 | jc .fail_and_free_data |
||
1099 | mov [esi+DLLDESCR.symbols_lim], edi |
||
1100 | add ebx, edx |
||
2384 | hidnplayr | 1101 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1102 | lea ecx, [ecx*5] |
1103 | lea edi, [edi+ecx*8+20] |
||
1104 | add edx, 20 |
||
1105 | @@: |
||
2384 | hidnplayr | 1106 | movzx eax, [edx+COFF_SECTION.NumReloc] |
2288 | clevermous | 1107 | lea eax, [eax*5] |
1108 | lea edi, [edi+eax*2] |
||
2384 | hidnplayr | 1109 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1110 | sub ecx, 5 |
1111 | jnz @b |
||
1112 | stdcall kernel_alloc, edi |
||
1113 | test eax, eax |
||
1114 | jz .fail_and_free_data |
||
1115 | mov edx, [coff] |
||
2384 | hidnplayr | 1116 | movzx ecx, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1117 | lea ecx, [ecx*5] |
1118 | lea ecx, [ecx*2+5] |
||
1119 | mov [esi+DLLDESCR.coff_hdr], eax |
||
1120 | push esi |
||
1121 | mov esi, edx |
||
1122 | mov edi, eax |
||
1123 | rep movsd |
||
1124 | pop esi |
||
1125 | mov [esi+DLLDESCR.symbols_ptr], edi |
||
1126 | push esi |
||
2384 | hidnplayr | 1127 | mov ecx, [edx+COFF_HEADER.nSymbols] |
2288 | clevermous | 1128 | mov [esi+DLLDESCR.symbols_num], ecx |
1129 | mov ecx, [esi+DLLDESCR.symbols_lim] |
||
1130 | mov esi, ebx |
||
1131 | rep movsb |
||
1132 | pop esi |
||
1133 | mov ebx, [esi+DLLDESCR.coff_hdr] |
||
1134 | push esi |
||
2384 | hidnplayr | 1135 | movzx eax, [edx+COFF_HEADER.nSections] |
2288 | clevermous | 1136 | lea edx, [ebx+20] |
1137 | @@: |
||
2384 | hidnplayr | 1138 | movzx ecx, [edx+COFF_SECTION.NumReloc] |
2288 | clevermous | 1139 | lea ecx, [ecx*5] |
2384 | hidnplayr | 1140 | mov esi, [edx+COFF_SECTION.PtrReloc] |
1141 | mov [edx+COFF_SECTION.PtrReloc], edi |
||
1142 | sub [edx+COFF_SECTION.PtrReloc], ebx |
||
2288 | clevermous | 1143 | add esi, [coff] |
1144 | shr ecx, 1 |
||
1145 | rep movsd |
||
1146 | adc ecx, ecx |
||
1147 | rep movsw |
||
2384 | hidnplayr | 1148 | add edx, sizeof.COFF_SECTION |
2288 | clevermous | 1149 | dec eax |
1150 | jnz @b |
||
1151 | pop esi |
||
1152 | |||
1153 | ; fixup symbols |
||
1154 | mov edx, ebx |
||
2384 | hidnplayr | 1155 | mov eax, [ebx+COFF_HEADER.nSymbols] |
2288 | clevermous | 1156 | add edx, 20 |
1157 | mov ecx, [esi+DLLDESCR.symbols_num] |
||
1158 | lea ecx, [ecx*9] |
||
1159 | add ecx, ecx |
||
1160 | add ecx, [esi+DLLDESCR.symbols_ptr] |
||
1161 | |||
1162 | stdcall fix_coff_symbols, edx, [esi+DLLDESCR.symbols_ptr], eax, \ |
||
1163 | ecx, 0 |
||
1164 | ; test eax, eax |
||
1165 | ; jnz @F |
||
1166 | ; |
||
1167 | ;@@: |
||
1168 | |||
2384 | hidnplayr | 1169 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], szEXPORTS |
2288 | clevermous | 1170 | test eax, eax |
1171 | jnz @F |
||
1172 | |||
2384 | hidnplayr | 1173 | stdcall get_coff_sym, [esi+DLLDESCR.symbols_ptr], [ebx+COFF_HEADER.nSymbols], sz_EXPORTS |
2288 | clevermous | 1174 | @@: |
1175 | mov [esi+DLLDESCR.exports], eax |
||
1176 | |||
1177 | ; fix relocs in the hidden copy in kernel memory to default address |
||
1178 | ; it is first fix; usually this will be enough, but second fix |
||
1179 | ; can be necessary if real load address will not equal assumption |
||
1180 | mov eax, [esi+DLLDESCR.data] |
||
1181 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1182 | stdcall fix_coff_relocs, ebx, [esi+DLLDESCR.symbols_ptr], eax |
||
1183 | |||
1184 | stdcall kernel_free, [coff] |
||
1185 | |||
3827 | clevermous | 1186 | cli |
1187 | ; initialize DLLDESCR struct |
||
1188 | and dword [esi+DLLDESCR.refcount], 0; no HDLLs yet; later it will be incremented |
||
1189 | mov [esi+DLLDESCR.fd], dll_list |
||
1190 | mov eax, [dll_list.bk] |
||
1191 | mov [dll_list.bk], esi |
||
1192 | mov [esi+DLLDESCR.bk], eax |
||
1193 | mov [eax+DLLDESCR.fd], esi |
||
2288 | clevermous | 1194 | .dll_already_loaded: |
6502 | pathoswith | 1195 | stdcall kernel_free, [fullname] |
2288 | clevermous | 1196 | inc [esi+DLLDESCR.refcount] |
1197 | push esi |
||
1198 | call init_heap |
||
1199 | pop esi |
||
1200 | mov edi, [esi+DLLDESCR.size] |
||
1201 | stdcall user_alloc_at, [esi+DLLDESCR.defaultbase], edi |
||
1202 | test eax, eax |
||
1203 | jnz @f |
||
1204 | stdcall user_alloc, edi |
||
1205 | test eax, eax |
||
1206 | jz .fail_and_dereference |
||
1207 | @@: |
||
1208 | mov [img_base], eax |
||
2384 | hidnplayr | 1209 | mov eax, sizeof.HDLL |
2288 | clevermous | 1210 | call malloc |
1211 | test eax, eax |
||
1212 | jz .fail_and_free_user |
||
8869 | rgimad | 1213 | mov ebx, [current_slot_idx] |
2288 | clevermous | 1214 | shl ebx, 5 |
8869 | rgimad | 1215 | mov edx, [TASK_TABLE+ebx+TASKDATA.pid] |
2288 | clevermous | 1216 | mov [eax+HDLL.pid], edx |
1217 | push eax |
||
1218 | call init_dlls_in_thread |
||
1219 | pop ebx |
||
1220 | test eax, eax |
||
1221 | jz .fail_and_free_user |
||
1222 | mov edx, [eax+HDLL.fd] |
||
1223 | mov [ebx+HDLL.fd], edx |
||
1224 | mov [ebx+HDLL.bk], eax |
||
1225 | mov [eax+HDLL.fd], ebx |
||
1226 | mov [edx+HDLL.bk], ebx |
||
1227 | mov eax, ebx |
||
1228 | mov ebx, [img_base] |
||
1229 | mov [eax+HDLL.base], ebx |
||
1230 | mov [eax+HDLL.size], edi |
||
1231 | mov [eax+HDLL.refcount], 1 |
||
1232 | mov [eax+HDLL.parent], esi |
||
1233 | mov edx, ebx |
||
1234 | shr edx, 12 |
||
7965 | hidnplayr | 1235 | or dword [page_tabs+(edx-1)*4], MEM_BLOCK_DONT_FREE |
2288 | clevermous | 1236 | ; copy entries of page table from kernel-side image to usermode |
1237 | ; use copy-on-write for user-mode image, so map as readonly |
||
1238 | xor edi, edi |
||
1239 | mov ecx, [esi+DLLDESCR.data] |
||
1240 | shr ecx, 12 |
||
1241 | .map_pages_loop: |
||
1242 | mov eax, [page_tabs+ecx*4] |
||
1243 | and eax, not 0xFFF |
||
5356 | serge | 1244 | or al, PG_UR |
2288 | clevermous | 1245 | xchg eax, [page_tabs+edx*4] |
1246 | test al, 1 |
||
1247 | jz @f |
||
1248 | call free_page |
||
1249 | @@: |
||
1250 | invlpg [ebx+edi] |
||
1251 | inc ecx |
||
1252 | inc edx |
||
1253 | add edi, 0x1000 |
||
1254 | cmp edi, [esi+DLLDESCR.size] |
||
1255 | jb .map_pages_loop |
||
1256 | |||
1257 | ; if real user-mode base is not equal to preferred base, relocate image |
||
1258 | sub ebx, [esi+DLLDESCR.defaultbase] |
||
1259 | jz @f |
||
1260 | stdcall rebase_coff, [esi+DLLDESCR.coff_hdr], [esi+DLLDESCR.symbols_ptr], ebx |
||
1261 | @@: |
||
1262 | |||
1263 | mov eax, [esi+DLLDESCR.exports] |
||
1264 | sub eax, [esi+DLLDESCR.defaultbase] |
||
1265 | add eax, [img_base] |
||
3827 | clevermous | 1266 | sti |
2288 | clevermous | 1267 | ret |
6502 | pathoswith | 1268 | |
2288 | clevermous | 1269 | .fail_and_free_data: |
1270 | stdcall kernel_free, [esi+DLLDESCR.data] |
||
1271 | .fail_and_free_dll: |
||
1272 | mov eax, esi |
||
1273 | call free |
||
1274 | .fail_and_free_coff: |
||
1275 | stdcall kernel_free, [coff] |
||
1276 | .fail: |
||
6502 | pathoswith | 1277 | stdcall kernel_free, [fullname] |
2288 | clevermous | 1278 | xor eax, eax |
1279 | ret |
||
6502 | pathoswith | 1280 | |
2288 | clevermous | 1281 | .fail_and_free_user: |
1282 | stdcall user_free, [img_base] |
||
1283 | .fail_and_dereference: |
||
1284 | mov eax, 1 ; delete 1 reference |
||
1285 | call dereference_dll |
||
3827 | clevermous | 1286 | sti |
2288 | clevermous | 1287 | xor eax, eax |
1288 | ret |
||
1289 | endp |
||
1290 | |||
1291 | ; initialize [APPDATA.dlls_list_ptr] for given thread |
||
1292 | ; DLL is per-process object, so APPDATA.dlls_list_ptr must be |
||
1293 | ; kept in sync for all threads of one process. |
||
1294 | ; out: eax = APPDATA.dlls_list_ptr if all is OK, |
||
1295 | ; NULL if memory allocation failed |
||
1296 | init_dlls_in_thread: |
||
5130 | serge | 1297 | mov ebx, [current_process] |
1298 | mov eax, [ebx+PROC.dlls_list_ptr] |
||
2288 | clevermous | 1299 | test eax, eax |
1300 | jnz .ret |
||
5130 | serge | 1301 | |
2288 | clevermous | 1302 | mov eax, 8 |
5130 | serge | 1303 | call malloc ; FIXME |
2288 | clevermous | 1304 | test eax, eax |
1305 | jz .ret |
||
5130 | serge | 1306 | |
2288 | clevermous | 1307 | mov [eax], eax |
1308 | mov [eax+4], eax |
||
5130 | serge | 1309 | |
1310 | mov ebx, [current_process] |
||
1311 | mov [ebx+PROC.dlls_list_ptr], eax |
||
2288 | clevermous | 1312 | .ret: |
1313 | ret |
||
1314 | |||
1315 | ; in: eax = number of references to delete, esi -> DLLDESCR struc |
||
1316 | dereference_dll: |
||
1317 | sub [esi+DLLDESCR.refcount], eax |
||
1318 | jnz .ret |
||
1319 | mov eax, [esi+DLLDESCR.fd] |
||
1320 | mov edx, [esi+DLLDESCR.bk] |
||
1321 | mov [eax+DLLDESCR.bk], edx |
||
1322 | mov [edx+DLLDESCR.fd], eax |
||
1323 | stdcall kernel_free, [esi+DLLDESCR.coff_hdr] |
||
1324 | stdcall kernel_free, [esi+DLLDESCR.data] |
||
1325 | mov eax, esi |
||
1326 | call free |
||
1327 | .ret: |
||
1328 | ret |
||
1329 | |||
1330 | destroy_hdll: |
||
1331 | push ebx ecx esi edi |
||
1332 | mov ebx, [eax+HDLL.base] |
||
1333 | mov esi, [eax+HDLL.parent] |
||
1334 | mov edx, [esi+DLLDESCR.size] |
||
5130 | serge | 1335 | |
2288 | clevermous | 1336 | push eax |
1337 | mov esi, [eax+HDLL.parent] |
||
1338 | mov eax, [eax+HDLL.refcount] |
||
1339 | call dereference_dll |
||
1340 | pop eax |
||
1341 | mov edx, [eax+HDLL.bk] |
||
1342 | mov ebx, [eax+HDLL.fd] |
||
1343 | mov [ebx+HDLL.bk], edx |
||
1344 | mov [edx+HDLL.fd], ebx |
||
1345 | call free |
||
1346 | pop edi esi ecx ebx |
||
1347 | ret |
||
1348 | |||
1349 | ; ecx -> APPDATA for slot, esi = dlls_list_ptr |
||
1350 | destroy_all_hdlls: |
||
1351 | test esi, esi |
||
1352 | jz .ret |
||
1353 | .loop: |
||
1354 | mov eax, [esi+HDLL.fd] |
||
1355 | cmp eax, esi |
||
1356 | jz free |
||
1357 | call destroy_hdll |
||
1358 | jmp .loop |
||
1359 | .ret: |
||
1360 | ret |
||
1361 | |||
1362 | align 4 |
||
1363 | stop_all_services: |
||
1364 | push ebp |
||
1365 | mov edx, [srv.fd] |
||
1366 | .next: |
||
2384 | hidnplayr | 1367 | cmp edx, srv.fd-SRV.fd |
2288 | clevermous | 1368 | je .done |
1369 | cmp [edx+SRV.magic], ' SRV' |
||
1370 | jne .next |
||
2384 | hidnplayr | 1371 | cmp [edx+SRV.size], sizeof.SRV |
2288 | clevermous | 1372 | jne .next |
1373 | |||
1374 | mov ebx, [edx+SRV.entry] |
||
1375 | mov edx, [edx+SRV.fd] |
||
1376 | test ebx, ebx |
||
1377 | jz .next |
||
1378 | |||
1379 | push edx |
||
1380 | mov ebp, esp |
||
1381 | push 0 |
||
1382 | push -1 |
||
1383 | call ebx |
||
1384 | mov esp, ebp |
||
1385 | pop edx |
||
1386 | jmp .next |
||
1387 | .done: |
||
1388 | pop ebp |
||
1389 | ret |
||
1390 | |||
1391 | ; param |
||
1392 | ; eax= size |
||
1393 | ; ebx= pid |
||
1394 | |||
1395 | align 4 |
||
1396 | create_kernel_object: |
||
1397 | |||
1398 | push ebx |
||
1399 | call malloc |
||
1400 | pop ebx |
||
1401 | test eax, eax |
||
1402 | jz .fail |
||
1403 | |||
1404 | mov ecx, [current_slot] |
||
1405 | add ecx, APP_OBJ_OFFSET |
||
1406 | |||
1407 | pushfd |
||
1408 | cli |
||
1409 | mov edx, [ecx+APPOBJ.fd] |
||
1410 | mov [eax+APPOBJ.fd], edx |
||
1411 | mov [eax+APPOBJ.bk], ecx |
||
1412 | mov [eax+APPOBJ.pid], ebx |
||
1413 | |||
1414 | mov [ecx+APPOBJ.fd], eax |
||
1415 | mov [edx+APPOBJ.bk], eax |
||
1416 | popfd |
||
1417 | .fail: |
||
1418 | ret |
||
1419 | |||
1420 | ; param |
||
1421 | ; eax= object |
||
1422 | |||
1423 | align 4 |
||
1424 | destroy_kernel_object: |
||
1425 | |||
1426 | pushfd |
||
1427 | cli |
||
1428 | mov ebx, [eax+APPOBJ.fd] |
||
1429 | mov ecx, [eax+APPOBJ.bk] |
||
1430 | mov [ebx+APPOBJ.bk], ecx |
||
1431 | mov [ecx+APPOBJ.fd], ebx |
||
1432 | popfd |
||
1433 | |||
1434 | xor edx, edx ;clear common header |
||
1435 | mov [eax], edx |
||
1436 | mov [eax+4], edx |
||
1437 | mov [eax+8], edx |
||
1438 | mov [eax+12], edx |
||
1439 | mov [eax+16], edx |
||
1440 | |||
1441 | call free ;release object memory |
||
1442 | ret |
||
5595 | serge | 1443 | |
6926 | serge | 1444 | |
1445 | ;void* __fastcall create_object(size_t size) |
||
5595 | serge | 1446 | ; param |
1447 | ; ecx= size |
||
1448 | |||
1449 | align 4 |
||
1450 | create_object: |
||
1451 | |||
1452 | push esi |
||
1453 | push edi |
||
1454 | pushfd |
||
1455 | cli |
||
1456 | |||
1457 | mov esi, [current_process] |
||
1458 | mov eax, [esi+PROC.ht_free] |
||
1459 | mov edi, [esi+PROC.ht_next] |
||
1460 | dec eax |
||
1461 | js .err0 |
||
1462 | |||
1463 | mov [esi+PROC.ht_free], eax |
||
1464 | mov eax, [esi+PROC.htab+edi*4] |
||
1465 | mov [esi+PROC.ht_next], eax |
||
1466 | popfd |
||
1467 | |||
1468 | mov eax, ecx |
||
1469 | call malloc |
||
1470 | test eax, eax |
||
1471 | jz .err1 |
||
1472 | |||
1473 | mov [eax+FUTEX.handle], edi |
||
1474 | mov [esi+PROC.htab+edi*4], eax |
||
1475 | pop edi |
||
1476 | pop esi |
||
1477 | ret |
||
1478 | |||
1479 | .err1: |
||
1480 | pushfd |
||
1481 | cli |
||
1482 | |||
1483 | mov eax, [esi+PROC.ht_next] |
||
1484 | mov [esi+PROC.htab+edi*4], eax |
||
1485 | mov [esi+PROC.ht_next], edi |
||
1486 | inc [esi+PROC.ht_free] |
||
1487 | .err0: |
||
1488 | popfd |
||
1489 | pop edi |
||
1490 | pop esi |
||
1491 | xor eax, eax |
||
1492 | ret |
||
1493 | |||
6926 | serge | 1494 | |
1495 | ;int __fastcall destroy_object(struct object *obj) |
||
1496 | |||
1497 | align 4 |
||
1498 | destroy_object: |
||
1499 | push esi |
||
1500 | mov esi, [current_process] |
||
1501 | mov edx, [ecx+FUTEX.handle] |
||
1502 | |||
1503 | pushfd |
||
1504 | cli |
||
1505 | |||
1506 | mov eax, [esi+PROC.ht_next] |
||
1507 | mov [esi+PROC.htab+edx*4], eax |
||
1508 | mov [esi+PROC.ht_next], edx |
||
1509 | inc [esi+PROC.ht_free] |
||
1510 | |||
1511 | popfd |
||
1512 | pop esi |
||
1513 | |||
1514 | mov eax, ecx |
||
1515 | call free |
||
1516 | xor eax, eax |
||
1517 | ret |
||
1518 | .fail: |
||
1519 | popfd |
||
1520 | pop esi |
||
1521 | mov eax, -1 |
||
1522 | ret |
||
1523 |