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Rev | Author | Line No. | Line |
---|---|---|---|
205 | heavyiron | 1 | |
31 | halyavin | 2 | ; Copyright (c) 1999-2007, Tomasz Grysztar. |
340 | heavyiron | 3 | ; All rights reserved. |
31 | halyavin | 4 | |
5 | |||
6 | cmp [output_file],0 |
||
157 | heavyiron | 7 | jne output_path_ok |
8 | push edi |
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9 | mov esi,[input_file] |
||
10 | mov edi,[free_additional_memory] |
||
11 | copy_output_path: |
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31 | halyavin | 12 | lods byte [esi] |
157 | heavyiron | 13 | cmp edi,[structures_buffer] |
14 | jae out_of_memory |
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15 | stos byte [edi] |
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16 | or al,al |
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17 | jnz copy_output_path |
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18 | dec edi |
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19 | mov eax,edi |
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20 | find_extension: |
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31 | halyavin | 21 | dec eax |
157 | heavyiron | 22 | cmp eax,[free_additional_memory] |
23 | jb extension_found |
||
24 | cmp byte [eax],'\' |
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25 | je extension_found |
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26 | cmp byte [eax],'/' |
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27 | je extension_found |
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28 | cmp byte [eax],'.' |
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29 | jne find_extension |
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30 | mov edi,eax |
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31 | extension_found: |
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31 | halyavin | 32 | lea eax,[edi+9] |
157 | heavyiron | 33 | cmp eax,[structures_buffer] |
34 | jae out_of_memory |
||
35 | cmp [output_format],2 |
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36 | je exe_extension |
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37 | jb bin_extension |
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38 | cmp [output_format],4 |
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39 | je obj_extension |
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40 | cmp [output_format],5 |
||
41 | je o_extension |
||
42 | cmp [output_format],3 |
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43 | jne no_extension |
||
44 | cmp [subsystem],1 |
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45 | je sys_extension |
||
46 | bt [format_flags],8 |
||
47 | jnc exe_extension |
||
48 | mov eax,'.dll' |
||
49 | jmp make_extension |
||
50 | sys_extension: |
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31 | halyavin | 51 | mov eax,'.sys' |
157 | heavyiron | 52 | jmp make_extension |
53 | bin_extension: |
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31 | halyavin | 54 | mov eax,'.bin' |
157 | heavyiron | 55 | bt [format_flags],0 |
56 | jnc make_extension |
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57 | mov eax,'.com' |
||
58 | jmp make_extension |
||
59 | obj_extension: |
||
31 | halyavin | 60 | mov eax,'.obj' |
157 | heavyiron | 61 | jmp make_extension |
62 | o_extension: |
||
31 | halyavin | 63 | mov eax,'.o' |
157 | heavyiron | 64 | bt [format_flags],0 |
65 | jnc make_extension |
||
66 | no_extension: |
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31 | halyavin | 67 | xor eax,eax |
157 | heavyiron | 68 | jmp make_extension |
69 | exe_extension: |
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31 | halyavin | 70 | mov eax,'.exe' |
157 | heavyiron | 71 | make_extension: |
31 | halyavin | 72 | xchg eax,[edi] |
157 | heavyiron | 73 | scas dword [edi] |
74 | mov byte [edi],0 |
||
75 | scas byte [edi] |
||
76 | mov esi,edi |
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77 | stos dword [edi] |
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78 | sub edi,9 |
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79 | xor eax,eax |
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80 | mov ebx,characters |
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81 | adapt_case: |
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31 | halyavin | 82 | mov al,[esi] |
157 | heavyiron | 83 | or al,al |
84 | jz adapt_next |
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85 | xlat byte [ebx] |
||
86 | cmp al,[esi] |
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87 | je adapt_ok |
||
88 | sub byte [edi],20h |
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89 | adapt_ok: |
||
31 | halyavin | 90 | inc esi |
157 | heavyiron | 91 | adapt_next: |
31 | halyavin | 92 | inc edi |
157 | heavyiron | 93 | cmp byte [edi],0 |
94 | jne adapt_case |
||
95 | mov esi,edi |
||
96 | lea ecx,[esi+1] |
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97 | sub ecx,[free_additional_memory] |
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98 | mov edi,[structures_buffer] |
||
99 | dec edi |
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100 | std |
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101 | rep movs byte [edi],[esi] |
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102 | cld |
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103 | inc edi |
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104 | mov [structures_buffer],edi |
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105 | mov [output_file],edi |
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106 | pop edi |
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107 | output_path_ok: |
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31 | halyavin | 108 | cmp [output_format],4 |
157 | heavyiron | 109 | je coff_formatter |
110 | cmp [output_format],5 |
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111 | jne common_formatter |
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112 | bt [format_flags],0 |
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113 | jnc elf_formatter |
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114 | common_formatter: |
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31 | halyavin | 115 | mov eax,edi |
157 | heavyiron | 116 | sub eax,[code_start] |
117 | mov [real_code_size],eax |
||
118 | cmp edi,[undefined_data_end] |
||
119 | jne calculate_code_size |
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120 | mov edi,[undefined_data_start] |
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121 | calculate_code_size: |
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31 | halyavin | 122 | sub edi,[code_start] |
157 | heavyiron | 123 | mov [code_size],edi |
124 | mov [written_size],0 |
||
125 | mov edx,[output_file] |
||
126 | call create |
||
127 | jc write_failed |
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128 | cmp [output_format],3 |
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129 | jne stub_written |
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130 | mov edx,[code_start] |
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131 | mov ecx,[stub_size] |
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132 | sub edx,ecx |
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133 | add [written_size],ecx |
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134 | call write |
||
135 | stub_written: |
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31 | halyavin | 136 | cmp [output_format],2 |
157 | heavyiron | 137 | jne write_output |
138 | call write_mz_header |
||
139 | write_output: |
||
31 | halyavin | 140 | call write_code |
157 | heavyiron | 141 | output_written: |
31 | halyavin | 142 | call close |
157 | heavyiron | 143 | ret |
144 | write_code: |
||
31 | halyavin | 145 | mov eax,[written_size] |
157 | heavyiron | 146 | mov [headers_size],eax |
147 | mov edx,[code_start] |
||
148 | mov ecx,[code_size] |
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149 | add [written_size],ecx |
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150 | call write |
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151 | jc write_failed |
||
152 | ret |
||
153 | format_directive: |
||
31 | halyavin | 154 | cmp edi,[code_start] |
157 | heavyiron | 155 | jne unexpected_instruction |
156 | cmp [virtual_data],0 |
||
157 | jne unexpected_instruction |
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158 | cmp [output_format],0 |
||
159 | jne unexpected_instruction |
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160 | lods byte [esi] |
||
161 | cmp al,17h |
||
162 | je format_prefix |
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163 | cmp al,18h |
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164 | jne invalid_argument |
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165 | lods byte [esi] |
||
166 | select_format: |
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31 | halyavin | 167 | mov dl,al |
157 | heavyiron | 168 | shr al,4 |
169 | mov [output_format],al |
||
170 | and edx,0Fh |
||
171 | or [format_flags],edx |
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172 | cmp al,2 |
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173 | je format_mz |
||
174 | cmp al,3 |
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175 | je format_pe |
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176 | cmp al,4 |
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177 | je format_coff |
||
178 | cmp al,5 |
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179 | je format_elf |
||
180 | jmp instruction_assembled |
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181 | format_prefix: |
||
31 | halyavin | 182 | lods byte [esi] |
157 | heavyiron | 183 | mov ah,al |
184 | lods byte [esi] |
||
185 | cmp al,18h |
||
186 | jne invalid_argument |
||
187 | lods byte [esi] |
||
188 | mov edx,eax |
||
189 | shr dl,4 |
||
190 | shr dh,4 |
||
191 | cmp dl,dh |
||
192 | jne invalid_argument |
||
193 | or al,ah |
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194 | jmp select_format |
||
195 | entry_directive: |
||
31 | halyavin | 196 | bts [format_flags],10h |
157 | heavyiron | 197 | jc setting_already_specified |
198 | mov al,[output_format] |
||
199 | cmp al,2 |
||
200 | je mz_entry |
||
201 | cmp al,3 |
||
202 | je pe_entry |
||
203 | cmp al,5 |
||
204 | jne illegal_instruction |
||
205 | bt [format_flags],0 |
||
206 | jc elf_entry |
||
207 | jmp illegal_instruction |
||
208 | stack_directive: |
||
31 | halyavin | 209 | bts [format_flags],11h |
157 | heavyiron | 210 | jc setting_already_specified |
211 | mov al,[output_format] |
||
212 | cmp al,2 |
||
213 | je mz_stack |
||
214 | cmp al,3 |
||
215 | je pe_stack |
||
216 | jmp illegal_instruction |
||
217 | heap_directive: |
||
31 | halyavin | 218 | bts [format_flags],12h |
157 | heavyiron | 219 | jc setting_already_specified |
220 | mov al,[output_format] |
||
221 | cmp al,2 |
||
222 | je mz_heap |
||
223 | cmp al,3 |
||
224 | je pe_heap |
||
225 | jmp illegal_instruction |
||
226 | segment_directive: |
||
109 | heavyiron | 227 | cmp [virtual_data],0 |
157 | heavyiron | 228 | jne illegal_instruction |
229 | mov al,[output_format] |
||
230 | cmp al,2 |
||
231 | je mz_segment |
||
232 | cmp al,5 |
||
233 | je elf_segment |
||
234 | jmp illegal_instruction |
||
235 | section_directive: |
||
31 | halyavin | 236 | cmp [virtual_data],0 |
157 | heavyiron | 237 | jne illegal_instruction |
238 | mov al,[output_format] |
||
239 | cmp al,3 |
||
240 | je pe_section |
||
241 | cmp al,4 |
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242 | je coff_section |
||
243 | cmp al,5 |
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244 | je elf_section |
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245 | jmp illegal_instruction |
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246 | public_directive: |
||
31 | halyavin | 247 | mov al,[output_format] |
157 | heavyiron | 248 | cmp al,4 |
249 | je public_allowed |
||
250 | cmp al,5 |
||
251 | jne illegal_instruction |
||
252 | bt [format_flags],0 |
||
253 | jc illegal_instruction |
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254 | public_allowed: |
||
31 | halyavin | 255 | lods byte [esi] |
157 | heavyiron | 256 | cmp al,2 |
257 | jne invalid_argument |
||
258 | lods dword [esi] |
||
259 | cmp eax,0Fh |
||
260 | jb invalid_use_of_symbol |
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261 | je reserved_word_used_as_symbol |
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262 | mov dx,[current_pass] |
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263 | mov [eax+18],dx |
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264 | or byte [eax+8],8 |
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265 | inc esi |
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266 | mov ebx,[free_additional_memory] |
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267 | lea edx,[ebx+10h] |
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268 | cmp edx,[structures_buffer] |
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269 | jae out_of_memory |
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270 | mov [free_additional_memory],edx |
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271 | mov [ebx+8],eax |
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272 | mov eax,[current_line] |
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273 | mov [ebx+0Ch],eax |
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274 | lods byte [esi] |
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275 | cmp al,86h |
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276 | jne invalid_argument |
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277 | lods word [esi] |
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278 | cmp ax,'(' |
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279 | jne invalid_argument |
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280 | mov [ebx+4],esi |
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281 | lods dword [esi] |
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282 | lea esi,[esi+eax+1] |
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283 | mov byte [ebx],80h |
||
284 | jmp instruction_assembled |
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285 | extrn_directive: |
||
31 | halyavin | 286 | mov al,[output_format] |
157 | heavyiron | 287 | cmp al,4 |
288 | je extrn_allowed |
||
289 | cmp al,5 |
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290 | jne illegal_instruction |
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291 | bt [format_flags],0 |
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292 | jc illegal_instruction |
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293 | extrn_allowed: |
||
31 | halyavin | 294 | lods word [esi] |
157 | heavyiron | 295 | cmp ax,'(' |
296 | jne invalid_argument |
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297 | mov ebx,esi |
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298 | lods dword [esi] |
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299 | lea esi,[esi+eax+1] |
||
300 | mov edx,[free_additional_memory] |
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301 | lea eax,[edx+0Ch] |
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302 | cmp eax,[structures_buffer] |
||
303 | jae out_of_memory |
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304 | mov [free_additional_memory],eax |
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305 | mov byte [edx],81h |
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306 | mov [edx+4],ebx |
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307 | lods byte [esi] |
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308 | cmp al,86h |
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309 | jne invalid_argument |
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310 | lods byte [esi] |
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311 | cmp al,2 |
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312 | jne invalid_argument |
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313 | lods dword [esi] |
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314 | cmp eax,0Fh |
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315 | jb invalid_use_of_symbol |
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316 | je reserved_word_used_as_symbol |
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317 | inc esi |
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318 | mov ebx,eax |
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319 | xor ah,ah |
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320 | lods byte [esi] |
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321 | cmp al,':' |
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322 | je get_extrn_size |
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323 | dec esi |
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324 | cmp al,11h |
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325 | jne extrn_size_ok |
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326 | get_extrn_size: |
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31 | halyavin | 327 | lods word [esi] |
157 | heavyiron | 328 | cmp al,11h |
329 | jne invalid_argument |
||
330 | extrn_size_ok: |
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31 | halyavin | 331 | mov [address_symbol],edx |
157 | heavyiron | 332 | movzx ecx,ah |
333 | mov [edx+8],ecx |
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334 | xor eax,eax |
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335 | xor edx,edx |
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336 | xor ebp,ebp |
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337 | mov ch,2 |
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338 | test [format_flags],8 |
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339 | jz make_free_label |
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340 | mov ch,4 |
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341 | jmp make_free_label |
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342 | mark_relocation: |
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31 | halyavin | 343 | cmp [value_type],0 |
157 | heavyiron | 344 | je relocation_ok |
345 | cmp [virtual_data],0 |
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346 | jne relocation_ok |
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347 | cmp [output_format],2 |
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348 | je mark_mz_relocation |
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349 | cmp [output_format],3 |
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350 | je mark_pe_relocation |
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351 | cmp [output_format],4 |
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352 | je mark_coff_relocation |
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353 | cmp [output_format],5 |
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354 | je mark_elf_relocation |
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355 | relocation_ok: |
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31 | halyavin | 356 | ret |
157 | heavyiron | 357 | close_pass: |
31 | halyavin | 358 | mov al,[output_format] |
157 | heavyiron | 359 | cmp al,3 |
360 | je close_pe |
||
361 | cmp al,4 |
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362 | je close_coff |
||
363 | cmp al,5 |
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364 | je close_elf |
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365 | ret |
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366 | |||
31 | halyavin | 367 | |
368 | mov edx,[additional_memory] |
||
157 | heavyiron | 369 | push edi |
370 | mov edi,edx |
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371 | mov ecx,1Ch shr 2 |
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372 | xor eax,eax |
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373 | rep stos dword [edi] |
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374 | mov [free_additional_memory],edi |
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375 | pop edi |
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376 | mov word [edx+0Ch],0FFFFh |
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377 | mov word [edx+10h],1000h |
||
378 | mov [code_type],16 |
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379 | jmp instruction_assembled |
||
380 | mark_mz_relocation: |
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31 | halyavin | 381 | push eax ebx |
157 | heavyiron | 382 | inc [number_of_relocations] |
383 | mov ebx,[free_additional_memory] |
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384 | mov eax,edi |
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385 | sub eax,[code_start] |
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386 | mov [ebx],ax |
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387 | shr eax,16 |
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388 | shl ax,12 |
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389 | mov [ebx+2],ax |
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390 | cmp word [ebx],0FFFFh |
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391 | jne mz_relocation_ok |
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392 | inc word [ebx+2] |
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393 | sub word [ebx],10h |
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394 | mz_relocation_ok: |
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31 | halyavin | 395 | add ebx,4 |
157 | heavyiron | 396 | cmp ebx,[structures_buffer] |
397 | jae out_of_memory |
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398 | mov [free_additional_memory],ebx |
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399 | pop ebx eax |
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400 | ret |
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401 | mz_segment: |
||
109 | heavyiron | 402 | lods byte [esi] |
157 | heavyiron | 403 | cmp al,2 |
404 | jne invalid_argument |
||
405 | lods dword [esi] |
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406 | cmp eax,0Fh |
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407 | jb invalid_use_of_symbol |
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408 | je reserved_word_used_as_symbol |
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409 | inc esi |
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410 | mov ebx,eax |
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411 | mov eax,edi |
||
412 | sub eax,[code_start] |
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413 | mov ecx,0Fh |
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414 | add eax,0Fh |
||
415 | and eax,1111b |
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416 | sub ecx,eax |
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417 | mov edx,edi |
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418 | xor al,al |
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419 | rep stos byte [edi] |
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420 | mov dword [org_origin],edi |
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421 | mov dword [org_origin+4],0 |
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422 | mov [org_registers],0 |
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423 | mov [org_start],edi |
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424 | mov eax,edx |
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425 | call undefined_data |
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426 | mov eax,edi |
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427 | sub eax,[code_start] |
||
428 | shr eax,4 |
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429 | cmp eax,10000h |
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430 | jae value_out_of_range |
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431 | mov edx,eax |
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432 | mov al,16 |
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433 | cmp byte [esi],13h |
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434 | jne segment_type_ok |
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435 | inc esi |
||
436 | lods byte [esi] |
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437 | segment_type_ok: |
||
31 | halyavin | 438 | mov [code_type],al |
157 | heavyiron | 439 | mov eax,edx |
440 | mov cx,0100h |
||
441 | xor edx,edx |
||
442 | xor ebp,ebp |
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443 | mov [address_symbol],edx |
||
444 | jmp make_free_label |
||
445 | mz_entry: |
||
31 | halyavin | 446 | lods byte [esi] |
157 | heavyiron | 447 | cmp al,'(' |
448 | jne invalid_argument |
||
449 | call get_word_value |
||
450 | cmp [value_type],1 |
||
451 | je initial_cs_ok |
||
452 | cmp [error_line],0 |
||
453 | jne initial_cs_ok |
||
454 | mov eax,[current_line] |
||
455 | mov [error_line],eax |
||
456 | mov [error],invalid_address |
||
457 | initial_cs_ok: |
||
31 | halyavin | 458 | mov edx,[additional_memory] |
157 | heavyiron | 459 | mov [edx+16h],ax |
460 | lods byte [esi] |
||
461 | cmp al,':' |
||
462 | jne invalid_argument |
||
463 | lods byte [esi] |
||
464 | cmp al,'(' |
||
465 | jne invalid_argument |
||
466 | ja invalid_address |
||
467 | call get_word_value |
||
468 | cmp [value_type],0 |
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469 | jne invalid_use_of_symbol |
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470 | mov edx,[additional_memory] |
||
471 | mov [edx+14h],ax |
||
472 | jmp instruction_assembled |
||
473 | mz_stack: |
||
31 | halyavin | 474 | lods byte [esi] |
157 | heavyiron | 475 | cmp al,'(' |
476 | jne invalid_argument |
||
477 | call get_word_value |
||
478 | cmp byte [esi],':' |
||
479 | je stack_pointer |
||
480 | cmp ax,10h |
||
481 | jb invalid_value |
||
482 | cmp [value_type],0 |
||
483 | jne invalid_use_of_symbol |
||
484 | mov edx,[additional_memory] |
||
485 | mov [edx+10h],ax |
||
486 | jmp instruction_assembled |
||
487 | stack_pointer: |
||
31 | halyavin | 488 | cmp [value_type],1 |
157 | heavyiron | 489 | je initial_ss_ok |
490 | cmp [error_line],0 |
||
491 | jne initial_ss_ok |
||
492 | mov eax,[current_line] |
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493 | mov [error_line],eax |
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494 | mov [error],invalid_address |
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495 | initial_ss_ok: |
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31 | halyavin | 496 | mov edx,[additional_memory] |
157 | heavyiron | 497 | mov [edx+0Eh],ax |
498 | lods byte [esi] |
||
499 | cmp al,':' |
||
500 | jne invalid_argument |
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501 | lods byte [esi] |
||
502 | cmp al,'(' |
||
503 | jne invalid_argument |
||
504 | call get_word_value |
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505 | cmp [value_type],0 |
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506 | jne invalid_use_of_symbol |
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507 | mov edx,[additional_memory] |
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508 | mov [edx+10h],ax |
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509 | bts [format_flags],4 |
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510 | jmp instruction_assembled |
||
511 | mz_heap: |
||
31 | halyavin | 512 | cmp [output_format],2 |
157 | heavyiron | 513 | jne illegal_instruction |
514 | lods byte [esi] |
||
515 | call get_size_operator |
||
516 | cmp ah,1 |
||
517 | je invalid_value |
||
518 | cmp ah,2 |
||
519 | ja invalid_value |
||
520 | cmp al,'(' |
||
521 | jne invalid_argument |
||
522 | call get_word_value |
||
523 | cmp [value_type],0 |
||
524 | jne invalid_use_of_symbol |
||
525 | mov edx,[additional_memory] |
||
526 | mov [edx+0Ch],ax |
||
527 | jmp instruction_assembled |
||
528 | write_mz_header: |
||
31 | halyavin | 529 | mov edx,[additional_memory] |
157 | heavyiron | 530 | bt [format_flags],4 |
531 | jc mz_stack_ok |
||
532 | mov eax,[real_code_size] |
||
533 | dec eax |
||
534 | shr eax,4 |
||
535 | inc eax |
||
536 | mov [edx+0Eh],ax |
||
537 | shl eax,4 |
||
538 | movzx ecx,word [edx+10h] |
||
539 | add eax,ecx |
||
540 | mov [real_code_size],eax |
||
541 | mz_stack_ok: |
||
31 | halyavin | 542 | mov edi,[free_additional_memory] |
157 | heavyiron | 543 | mov eax,[number_of_relocations] |
544 | shl eax,2 |
||
545 | add eax,1Ch |
||
546 | sub edi,eax |
||
547 | xchg edi,[free_additional_memory] |
||
548 | mov ecx,0Fh |
||
549 | add eax,0Fh |
||
550 | and eax,1111b |
||
551 | sub ecx,eax |
||
552 | xor al,al |
||
553 | rep stos byte [edi] |
||
554 | sub edi,[free_additional_memory] |
||
555 | mov ecx,edi |
||
556 | shr edi,4 |
||
557 | mov word [edx],'MZ' ; signature |
||
558 | mov [edx+8],di ; header size in paragraphs |
||
559 | mov eax,[number_of_relocations] |
||
560 | mov [edx+6],ax ; number of relocation entries |
||
561 | mov eax,[code_size] |
||
562 | add eax,ecx |
||
563 | mov esi,eax |
||
564 | shr esi,9 |
||
565 | and eax,1FFh |
||
566 | inc si |
||
567 | or ax,ax |
||
568 | jnz mz_size_ok |
||
569 | mov ax,200h |
||
570 | dec si |
||
571 | mz_size_ok: |
||
31 | halyavin | 572 | mov [edx+2],ax ; number of bytes in last page |
157 | heavyiron | 573 | mov [edx+4],si ; number of pages |
574 | mov eax,[real_code_size] |
||
575 | dec eax |
||
576 | shr eax,4 |
||
577 | inc eax |
||
578 | mov esi,[code_size] |
||
579 | dec esi |
||
580 | shr esi,4 |
||
581 | inc esi |
||
582 | sub eax,esi |
||
583 | mov [edx+0Ah],ax ; minimum memory in addition to code |
||
584 | add [edx+0Ch],ax ; maximum memory in addition to code |
||
585 | salc |
||
586 | mov ah,al |
||
587 | or [edx+0Ch],ax |
||
588 | mov word [edx+18h],1Ch ; offset of relocation table |
||
589 | add [written_size],ecx |
||
590 | call write |
||
591 | jc write_failed |
||
592 | ret |
||
593 | |||
31 | halyavin | 594 | |
595 | mov [stub_file],edx |
||
157 | heavyiron | 596 | or edx,edx |
597 | jnz stub_from_file |
||
598 | push esi |
||
599 | mov edx,edi |
||
600 | xor eax,eax |
||
601 | mov ecx,20h |
||
602 | rep stos dword [edi] |
||
603 | mov eax,40h+default_stub_end-default_stub |
||
604 | mov cx,100h+default_stub_end-default_stub |
||
605 | mov word [edx],'MZ' |
||
606 | mov word [edx+4],1 |
||
607 | mov word [edx+2],ax |
||
608 | mov word [edx+8],4 |
||
609 | mov word [edx+0Ah],10h |
||
610 | mov word [edx+0Ch],0FFFFh |
||
611 | mov word [edx+10h],cx |
||
612 | mov word [edx+3Ch],ax |
||
613 | mov word [edx+18h],40h |
||
614 | lea edi,[edx+40h] |
||
615 | mov esi,default_stub |
||
616 | mov ecx,default_stub_end-default_stub |
||
617 | rep movs byte [edi],[esi] |
||
618 | pop esi |
||
619 | jmp stub_ok |
||
620 | default_stub: |
||
31 | halyavin | 621 | use16 |
157 | heavyiron | 622 | push cs |
623 | pop ds |
||
624 | mov dx,stub_message-default_stub |
||
625 | mov ah,9 |
||
626 | int 21h |
||
627 | mov ax,4C01h |
||
628 | int 21h |
||
629 | stub_message db 'This program cannot be run in DOS mode.',0Dh,0Ah,24h |
||
31 | halyavin | 630 | rq 1 |
157 | heavyiron | 631 | default_stub_end: |
31 | halyavin | 632 | use32 |
157 | heavyiron | 633 | stub_from_file: |
31 | halyavin | 634 | push esi |
157 | heavyiron | 635 | mov esi,edx |
636 | call open_binary_file |
||
637 | mov edx,edi |
||
638 | mov ecx,1Ch |
||
639 | mov esi,edx |
||
640 | call read |
||
641 | jc binary_stub |
||
642 | cmp word [esi],'MZ' |
||
643 | jne binary_stub |
||
644 | add edi,1Ch |
||
645 | movzx ecx,word [esi+6] |
||
646 | add ecx,11b |
||
647 | and ecx,not 11b |
||
648 | add ecx,(40h-1Ch) shr 2 |
||
649 | lea eax,[edi+ecx*4] |
||
650 | cmp edi,[display_buffer] |
||
651 | jae out_of_memory |
||
652 | xor eax,eax |
||
653 | rep stos dword [edi] |
||
654 | mov edx,40h |
||
655 | xchg dx,[esi+18h] |
||
656 | xor al,al |
||
657 | call lseek |
||
658 | movzx ecx,word [esi+6] |
||
659 | shl ecx,2 |
||
660 | lea edx,[esi+40h] |
||
661 | call read |
||
662 | mov edx,edi |
||
663 | sub edx,esi |
||
664 | shr edx,4 |
||
665 | xchg dx,[esi+8] |
||
666 | shl edx,4 |
||
667 | xor al,al |
||
668 | call lseek |
||
669 | movzx ecx,word [esi+4] |
||
670 | dec ecx |
||
671 | shl ecx,9 |
||
672 | movzx edx,word [esi+2] |
||
673 | add ecx,edx |
||
674 | mov edx,edi |
||
675 | sub ecx,eax |
||
676 | je read_stub_code |
||
677 | jb stub_code_ok |
||
678 | push ecx |
||
679 | dec ecx |
||
680 | shr ecx,3 |
||
681 | inc ecx |
||
682 | shl ecx,1 |
||
683 | lea eax,[edi+ecx*4] |
||
684 | cmp eax,[display_buffer] |
||
685 | jae out_of_memory |
||
686 | xor eax,eax |
||
687 | rep stos dword [edi] |
||
688 | pop ecx |
||
689 | read_stub_code: |
||
31 | halyavin | 690 | call read |
157 | heavyiron | 691 | stub_code_ok: |
31 | halyavin | 692 | call close |
157 | heavyiron | 693 | mov edx,edi |
694 | sub edx,esi |
||
695 | mov ax,dx |
||
696 | and ax,1FFh |
||
697 | mov [esi+2],ax |
||
698 | dec edx |
||
699 | shr edx,9 |
||
700 | inc edx |
||
701 | mov [esi+4],dx |
||
702 | mov eax,edi |
||
703 | sub eax,esi |
||
704 | mov [esi+3Ch],eax |
||
705 | pop esi |
||
706 | stub_ok: |
||
31 | halyavin | 707 | ret |
157 | heavyiron | 708 | binary_stub: |
31 | halyavin | 709 | mov esi,edi |
157 | heavyiron | 710 | mov ecx,40h shr 2 |
711 | xor eax,eax |
||
712 | rep stos dword [edi] |
||
713 | mov al,2 |
||
714 | xor edx,edx |
||
715 | call lseek |
||
716 | push eax |
||
717 | xor al,al |
||
718 | xor edx,edx |
||
719 | call lseek |
||
720 | mov ecx,[esp] |
||
721 | add ecx,40h+111b |
||
722 | and ecx,not 111b |
||
723 | mov ax,cx |
||
724 | and ax,1FFh |
||
725 | mov [esi+2],ax |
||
726 | lea eax,[ecx+1FFh] |
||
727 | shr eax,9 |
||
728 | mov [esi+4],ax |
||
729 | mov [esi+3Ch],ecx |
||
730 | sub ecx,40h |
||
731 | mov eax,10000h |
||
732 | sub eax,ecx |
||
733 | jbe binary_heap_ok |
||
734 | shr eax,4 |
||
735 | mov [esi+0Ah],ax |
||
736 | binary_heap_ok: |
||
31 | halyavin | 737 | mov word [esi],'MZ' |
157 | heavyiron | 738 | mov word [esi+8],4 |
739 | mov ax,0FFFFh |
||
740 | mov [esi+0Ch],ax |
||
741 | dec ax |
||
742 | mov [esi+10h],ax |
||
743 | sub ax,0Eh |
||
744 | mov [esi+0Eh],ax |
||
745 | mov [esi+16h],ax |
||
746 | mov word [esi+14h],100h |
||
747 | mov word [esi+18h],40h |
||
748 | mov eax,[display_buffer] |
||
749 | sub eax,ecx |
||
750 | cmp edi,eax |
||
751 | jae out_of_memory |
||
752 | mov edx,edi |
||
753 | shr ecx,2 |
||
754 | xor eax,eax |
||
755 | rep stos dword [edi] |
||
756 | pop ecx |
||
757 | call read |
||
758 | call close |
||
759 | pop esi |
||
760 | ret |
||
761 | |||
31 | halyavin | 762 | |
763 | xor edx,edx |
||
157 | heavyiron | 764 | mov [machine],14Ch |
765 | mov [subsystem],3 |
||
766 | mov [subsystem_version],3 + 10 shl 16 |
||
767 | mov [image_base],400000h |
||
768 | test [format_flags],8 |
||
769 | jz pe_settings |
||
770 | mov [machine],8664h |
||
771 | mov [subsystem_version],5 + 0 shl 16 |
||
772 | mov [image_base_high],0 |
||
773 | pe_settings: |
||
31 | halyavin | 774 | cmp byte [esi],84h |
157 | heavyiron | 775 | je get_stub_name |
776 | cmp byte [esi],80h |
||
777 | je get_pe_base |
||
778 | cmp byte [esi],1Bh |
||
779 | jne pe_settings_ok |
||
780 | lods byte [esi] |
||
781 | lods byte [esi] |
||
782 | test al,80h+40h |
||
783 | jz subsystem_setting |
||
784 | cmp al,80h |
||
785 | je dll_flag |
||
786 | cmp al,81h |
||
787 | je wdm_flag |
||
788 | jmp pe_settings |
||
789 | dll_flag: |
||
31 | halyavin | 790 | bts [format_flags],8 |
157 | heavyiron | 791 | jc setting_already_specified |
792 | jmp pe_settings |
||
793 | wdm_flag: |
||
31 | halyavin | 794 | bts [format_flags],9 |
157 | heavyiron | 795 | jc setting_already_specified |
796 | jmp pe_settings |
||
797 | subsystem_setting: |
||
31 | halyavin | 798 | bts [format_flags],7 |
157 | heavyiron | 799 | jc setting_already_specified |
800 | and ax,3Fh |
||
801 | mov [subsystem],ax |
||
802 | cmp byte [esi],'(' |
||
803 | jne pe_settings |
||
804 | inc esi |
||
805 | cmp byte [esi],'.' |
||
806 | jne invalid_value |
||
807 | inc esi |
||
808 | push edx |
||
809 | cmp byte [esi+11],0 |
||
810 | jne invalid_value |
||
811 | cmp byte [esi+10],2 |
||
812 | ja invalid_value |
||
813 | mov dx,[esi+8] |
||
814 | cmp dx,8000h |
||
815 | je zero_version |
||
816 | mov eax,[esi+4] |
||
817 | cmp dx,7 |
||
818 | jg invalid_value |
||
819 | mov cx,7 |
||
820 | sub cx,dx |
||
821 | mov eax,[esi+4] |
||
822 | shr eax,cl |
||
823 | mov ebx,eax |
||
824 | shr ebx,24 |
||
825 | cmp bl,100 |
||
826 | jae invalid_value |
||
827 | and eax,0FFFFFFh |
||
828 | mov ecx,100 |
||
829 | mul ecx |
||
830 | shrd eax,edx,24 |
||
831 | jnc version_value_ok |
||
832 | inc eax |
||
833 | version_value_ok: |
||
31 | halyavin | 834 | shl eax,16 |
157 | heavyiron | 835 | mov ax,bx |
836 | jmp subsystem_version_ok |
||
837 | zero_version: |
||
31 | halyavin | 838 | xor eax,eax |
157 | heavyiron | 839 | subsystem_version_ok: |
31 | halyavin | 840 | pop edx |
157 | heavyiron | 841 | add esi,13 |
842 | mov [subsystem_version],eax |
||
843 | jmp pe_settings |
||
844 | get_pe_base: |
||
31 | halyavin | 845 | bts [format_flags],10 |
157 | heavyiron | 846 | jc setting_already_specified |
847 | lods word [esi] |
||
848 | cmp ah,'(' |
||
849 | jne invalid_argument |
||
850 | cmp byte [esi],'.' |
||
851 | je invalid_value |
||
852 | push edx edi |
||
853 | add edi,[stub_size] |
||
854 | test [format_flags],8 |
||
855 | jnz get_pe64_base |
||
856 | call get_dword_value |
||
857 | mov [image_base],eax |
||
858 | jmp pe_base_ok |
||
859 | get_pe64_base: |
||
31 | halyavin | 860 | call get_qword_value |
157 | heavyiron | 861 | mov [image_base],eax |
862 | mov [image_base_high],edx |
||
863 | pe_base_ok: |
||
31 | halyavin | 864 | pop edi edx |
157 | heavyiron | 865 | cmp [value_type],0 |
866 | jne invalid_use_of_symbol |
||
867 | cmp byte [esi],84h |
||
868 | jne pe_settings_ok |
||
869 | get_stub_name: |
||
31 | halyavin | 870 | lods byte [esi] |
157 | heavyiron | 871 | lods word [esi] |
872 | cmp ax,'(' |
||
873 | jne invalid_argument |
||
874 | lods dword [esi] |
||
875 | mov edx,esi |
||
876 | add esi,eax |
||
877 | inc esi |
||
878 | pe_settings_ok: |
||
31 | halyavin | 879 | mov ebp,[stub_size] |
157 | heavyiron | 880 | or ebp,ebp |
881 | jz make_pe_stub |
||
882 | cmp edx,[stub_file] |
||
883 | je pe_stub_ok |
||
884 | sub edi,[stub_size] |
||
885 | mov [code_start],edi |
||
886 | make_pe_stub: |
||
31 | halyavin | 887 | call make_stub |
157 | heavyiron | 888 | mov eax,edi |
889 | sub eax,[code_start] |
||
890 | mov [stub_size],eax |
||
891 | mov [code_start],edi |
||
892 | mov ebp,eax |
||
893 | pe_stub_ok: |
||
31 | halyavin | 894 | mov edx,edi |
157 | heavyiron | 895 | mov ecx,18h+0E0h |
896 | test [format_flags],8 |
||
897 | jz zero_pe_header |
||
898 | add ecx,10h |
||
899 | zero_pe_header: |
||
31 | halyavin | 900 | add ebp,ecx |
157 | heavyiron | 901 | shr ecx,2 |
902 | xor eax,eax |
||
903 | rep stos dword [edi] |
||
904 | mov word [edx],'PE' ; signature |
||
905 | mov ax,[machine] |
||
906 | mov word [edx+4],ax |
||
907 | mov dword [edx+38h],1000h ; section alignment |
||
908 | mov dword [edx+3Ch],200h ; file alignment |
||
909 | mov word [edx+40h],1 ; OS version |
||
910 | mov eax,[subsystem_version] |
||
911 | mov [edx+48h],eax |
||
912 | mov ax,[subsystem] |
||
913 | mov [edx+5Ch],ax |
||
914 | cmp ax,1 |
||
915 | jne pe_alignment_ok |
||
916 | mov eax,20h |
||
917 | mov dword [edx+38h],eax |
||
918 | mov dword [edx+3Ch],eax |
||
919 | pe_alignment_ok: |
||
31 | halyavin | 920 | mov word [edx+1Ah],VERSION_MAJOR + VERSION_MINOR shl 8 |
157 | heavyiron | 921 | test [format_flags],8 |
922 | jnz init_pe64_specific |
||
923 | mov dword [edx+14h],0E0h ; size of optional header |
||
924 | mov dword [edx+16h],10B010Eh; flags and magic value |
||
925 | mov eax,[image_base] |
||
926 | mov dword [edx+34h],eax |
||
927 | mov dword [edx+60h],1000h ; stack reserve |
||
928 | mov dword [edx+64h],1000h ; stack commit |
||
929 | mov dword [edx+68h],10000h ; heap reserve |
||
930 | mov dword [edx+6Ch],0 ; heap commit |
||
931 | mov dword [edx+74h],16 ; number of directories |
||
932 | jmp pe_header_ok |
||
933 | init_pe64_specific: |
||
31 | halyavin | 934 | mov dword [edx+14h],0F0h ; size of optional header |
157 | heavyiron | 935 | mov dword [edx+16h],20B002Eh; flags and magic value |
936 | mov eax,[image_base] |
||
937 | mov dword [edx+30h],eax |
||
938 | mov eax,[image_base_high] |
||
939 | mov dword [edx+34h],eax |
||
940 | mov dword [edx+60h],1000h ; stack reserve |
||
941 | mov dword [edx+68h],1000h ; stack commit |
||
942 | mov dword [edx+70h],10000h ; heap reserve |
||
943 | mov dword [edx+78h],0 ; heap commit |
||
944 | mov dword [edx+84h],16 ; number of directories |
||
945 | pe_header_ok: |
||
31 | halyavin | 946 | bsf ecx,[edx+3Ch] |
157 | heavyiron | 947 | imul ebx,[number_of_sections],28h |
948 | or ebx,ebx |
||
949 | jnz reserve_space_for_section_headers |
||
950 | mov ebx,28h |
||
951 | reserve_space_for_section_headers: |
||
31 | halyavin | 952 | add ebx,ebp |
157 | heavyiron | 953 | dec ebx |
954 | shr ebx,cl |
||
955 | inc ebx |
||
956 | shl ebx,cl |
||
957 | sub ebx,ebp |
||
958 | mov ecx,ebx |
||
959 | mov eax,[display_buffer] |
||
960 | sub eax,ecx |
||
961 | cmp edi,eax |
||
962 | jae out_of_memory |
||
963 | shr ecx,2 |
||
964 | xor eax,eax |
||
965 | rep stos dword [edi] |
||
966 | mov eax,edi |
||
967 | sub eax,[code_start] |
||
968 | add eax,[stub_size] |
||
969 | mov [edx+54h],eax ; size of headers |
||
970 | mov ecx,[edx+38h] |
||
971 | dec ecx |
||
972 | add eax,ecx |
||
973 | not ecx |
||
974 | and eax,ecx |
||
975 | bt [format_flags],8 |
||
976 | jc pe_entry_init_ok |
||
977 | mov [edx+28h],eax ; entry point rva |
||
978 | pe_entry_init_ok: |
||
31 | halyavin | 979 | mov [number_of_sections],0 |
157 | heavyiron | 980 | movzx ebx,word [edx+14h] |
981 | lea ebx,[edx+18h+ebx] |
||
982 | mov [current_section],ebx |
||
983 | mov dword [ebx],'.fla' |
||
984 | mov dword [ebx+4],'t' |
||
985 | mov [ebx+14h],edi |
||
986 | mov [ebx+0Ch],eax |
||
987 | mov dword [ebx+24h],0E0000060h |
||
988 | xor ecx,ecx |
||
989 | not eax |
||
990 | not ecx |
||
991 | add eax,1 |
||
992 | adc ecx,0 |
||
993 | add eax,edi |
||
994 | adc ecx,0 |
||
995 | test [format_flags],8 |
||
996 | jnz pe64_org |
||
997 | sub eax,[edx+34h] |
||
998 | sbb ecx,0 |
||
999 | mov bl,2 |
||
1000 | mov [code_type],32 |
||
1001 | jmp pe_org_ok |
||
1002 | pe64_org: |
||
31 | halyavin | 1003 | sub eax,[edx+30h] |
157 | heavyiron | 1004 | sbb ecx,[edx+34h] |
1005 | mov bl,4 |
||
1006 | mov [code_type],64 |
||
1007 | pe_org_ok: |
||
31 | halyavin | 1008 | bt [resolver_flags],0 |
157 | heavyiron | 1009 | jc pe_labels_type_ok |
1010 | xor bl,bl |
||
1011 | pe_labels_type_ok: |
||
109 | heavyiron | 1012 | mov [labels_type],bl |
157 | heavyiron | 1013 | mov dword [org_origin],eax |
1014 | mov dword [org_origin+4],ecx |
||
1015 | mov [org_registers],0 |
||
1016 | mov [org_start],edi |
||
1017 | bt [format_flags],8 |
||
1018 | jnc dll_flag_ok |
||
1019 | or dword [edx+16h],2000h |
||
1020 | dll_flag_ok: |
||
31 | halyavin | 1021 | bt [format_flags],9 |
157 | heavyiron | 1022 | jnc wdm_flag_ok |
1023 | or word [edx+5Eh],2000h |
||
1024 | wdm_flag_ok: |
||
31 | halyavin | 1025 | jmp instruction_assembled |
157 | heavyiron | 1026 | pe_section: |
31 | halyavin | 1027 | call close_pe_section |
157 | heavyiron | 1028 | bts [format_flags],5 |
1029 | lea ecx,[ebx+28h] |
||
1030 | add edx,[edx+54h] |
||
1031 | sub edx,[stub_size] |
||
1032 | cmp ecx,edx |
||
1033 | jbe new_section |
||
1034 | lea ebx,[edx-28h] |
||
1035 | or [next_pass_needed],-1 |
||
1036 | push edi |
||
1037 | mov edi,ebx |
||
1038 | mov ecx,28h shr 4 |
||
1039 | xor eax,eax |
||
1040 | rep stos dword [edi] |
||
1041 | pop edi |
||
1042 | new_section: |
||
31 | halyavin | 1043 | mov [ebx+0Ch],eax |
157 | heavyiron | 1044 | lods word [esi] |
1045 | cmp ax,'(' |
||
1046 | jne invalid_argument |
||
1047 | lea edx,[esi+4] |
||
1048 | mov ecx,[esi] |
||
1049 | lea esi,[esi+4+ecx+1] |
||
1050 | cmp ecx,8 |
||
1051 | ja name_too_long |
||
1052 | xor eax,eax |
||
1053 | mov [ebx],eax |
||
1054 | mov [ebx+4],eax |
||
1055 | push esi edi |
||
1056 | mov edi,ebx |
||
1057 | mov esi,edx |
||
1058 | rep movs byte [edi],[esi] |
||
1059 | pop edi esi |
||
1060 | mov dword [ebx+24h],0 |
||
1061 | mov [ebx+14h],edi |
||
1062 | mov edx,[code_start] |
||
1063 | mov eax,edi |
||
1064 | xor ecx,ecx |
||
1065 | sub eax,[ebx+0Ch] |
||
1066 | sbb ecx,0 |
||
1067 | test [format_flags],8 |
||
1068 | jnz pe64_section_org |
||
1069 | sub eax,[edx+34h] |
||
1070 | sbb ecx,0 |
||
1071 | mov [labels_type],2 |
||
1072 | mov [code_type],32 |
||
1073 | bt [resolver_flags],0 |
||
1074 | jc pe_section_org_ok |
||
1075 | mov [labels_type],0 |
||
1076 | jmp pe_section_org_ok |
||
1077 | pe64_section_org: |
||
31 | halyavin | 1078 | sub eax,[edx+30h] |
157 | heavyiron | 1079 | sbb ecx,[edx+34h] |
1080 | mov [labels_type],4 |
||
1081 | mov [code_type],64 |
||
1082 | bt [resolver_flags],0 |
||
1083 | jc pe_section_org_ok |
||
1084 | mov [labels_type],0 |
||
1085 | pe_section_org_ok: |
||
31 | halyavin | 1086 | mov dword [org_origin],eax |
157 | heavyiron | 1087 | mov dword [org_origin+4],ecx |
1088 | mov [org_registers],0 |
||
1089 | mov [org_start],edi |
||
1090 | get_section_flags: |
||
31 | halyavin | 1091 | lods byte [esi] |
157 | heavyiron | 1092 | cmp al,1Ah |
1093 | je set_directory |
||
1094 | cmp al,19h |
||
1095 | je section_flag |
||
1096 | dec esi |
||
1097 | jmp instruction_assembled |
||
1098 | set_directory: |
||
31 | halyavin | 1099 | movzx eax,byte [esi] |
157 | heavyiron | 1100 | inc esi |
1101 | mov ecx,ebx |
||
1102 | test [format_flags],8 |
||
1103 | jnz pe64_directory |
||
1104 | xchg ecx,[edx+78h+eax*8] |
||
1105 | mov dword [edx+78h+eax*8+4],-1 |
||
1106 | jmp pe_directory_set |
||
1107 | pe64_directory: |
||
31 | halyavin | 1108 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1109 | mov dword [edx+88h+eax*8+4],-1 |
1110 | pe_directory_set: |
||
31 | halyavin | 1111 | or ecx,ecx |
157 | heavyiron | 1112 | jnz data_already_defined |
1113 | push ebx edx |
||
1114 | call generate_pe_data |
||
1115 | pop edx ebx |
||
1116 | jmp get_section_flags |
||
1117 | section_flag: |
||
31 | halyavin | 1118 | lods byte [esi] |
157 | heavyiron | 1119 | cmp al,9 |
1120 | je invalid_argument |
||
1121 | cmp al,11 |
||
1122 | je invalid_argument |
||
1123 | mov cl,al |
||
1124 | mov eax,1 |
||
1125 | shl eax,cl |
||
1126 | test dword [ebx+24h],eax |
||
1127 | jnz setting_already_specified |
||
1128 | or dword [ebx+24h],eax |
||
1129 | jmp get_section_flags |
||
1130 | close_pe_section: |
||
31 | halyavin | 1131 | mov ebx,[current_section] |
157 | heavyiron | 1132 | mov edx,[code_start] |
1133 | mov eax,edi |
||
1134 | sub eax,[ebx+14h] |
||
1135 | jnz finish_section |
||
1136 | bt [format_flags],5 |
||
1137 | jc finish_section |
||
1138 | mov eax,[ebx+0Ch] |
||
1139 | ret |
||
1140 | finish_section: |
||
31 | halyavin | 1141 | mov [ebx+8],eax |
157 | heavyiron | 1142 | cmp edi,[undefined_data_end] |
1143 | jne align_section |
||
1144 | cmp dword [edx+38h],1000h |
||
1145 | jb align_section |
||
1146 | mov edi,[undefined_data_start] |
||
1147 | align_section: |
||
31 | halyavin | 1148 | mov [undefined_data_end],0 |
157 | heavyiron | 1149 | mov ebp,edi |
1150 | sub ebp,[ebx+14h] |
||
1151 | mov ecx,[edx+3Ch] |
||
1152 | dec ecx |
||
1153 | lea eax,[ebp+ecx] |
||
1154 | not ecx |
||
1155 | and eax,ecx |
||
1156 | mov [ebx+10h],eax |
||
1157 | sub eax,ebp |
||
1158 | mov ecx,eax |
||
1159 | xor al,al |
||
1160 | rep stos byte [edi] |
||
1161 | mov eax,[code_start] |
||
1162 | sub eax,[stub_size] |
||
1163 | sub [ebx+14h],eax |
||
1164 | mov eax,[ebx+8] |
||
1165 | or eax,eax |
||
1166 | jz udata_ok |
||
1167 | cmp dword [ebx+10h],0 |
||
1168 | jne udata_ok |
||
1169 | or byte [ebx+24h],80h |
||
1170 | udata_ok: |
||
31 | halyavin | 1171 | mov ecx,[edx+38h] |
157 | heavyiron | 1172 | dec ecx |
1173 | add eax,ecx |
||
1174 | not ecx |
||
1175 | and eax,ecx |
||
1176 | add eax,[ebx+0Ch] |
||
1177 | add ebx,28h |
||
1178 | mov [current_section],ebx |
||
1179 | inc word [number_of_sections] |
||
1180 | jz format_limitations_exceeded |
||
1181 | ret |
||
1182 | data_directive: |
||
31 | halyavin | 1183 | cmp [output_format],3 |
157 | heavyiron | 1184 | jne illegal_instruction |
1185 | lods byte [esi] |
||
1186 | cmp al,1Ah |
||
1187 | je predefined_data_type |
||
1188 | cmp al,'(' |
||
1189 | jne invalid_argument |
||
1190 | call get_byte_value |
||
1191 | cmp al,16 |
||
1192 | jb data_type_ok |
||
1193 | jmp invalid_value |
||
1194 | predefined_data_type: |
||
31 | halyavin | 1195 | movzx eax,byte [esi] |
157 | heavyiron | 1196 | inc esi |
1197 | data_type_ok: |
||
31 | halyavin | 1198 | mov ebx,[current_section] |
157 | heavyiron | 1199 | mov ecx,edi |
1200 | sub ecx,[ebx+14h] |
||
1201 | add ecx,[ebx+0Ch] |
||
1202 | mov edx,[code_start] |
||
1203 | test [format_flags],8 |
||
1204 | jnz pe64_data |
||
1205 | xchg ecx,[edx+78h+eax*8] |
||
1206 | jmp init_pe_data |
||
1207 | pe64_data: |
||
31 | halyavin | 1208 | xchg ecx,[edx+88h+eax*8] |
157 | heavyiron | 1209 | init_pe_data: |
31 | halyavin | 1210 | or ecx,ecx |
157 | heavyiron | 1211 | jnz data_already_defined |
1212 | call allocate_structure_data |
||
1213 | mov word [ebx],data_directive-assembler |
||
1214 | mov [ebx+2],al |
||
1215 | mov edx,[current_line] |
||
1216 | mov [ebx+4],edx |
||
1217 | call generate_pe_data |
||
1218 | jmp instruction_assembled |
||
1219 | end_data: |
||
31 | halyavin | 1220 | cmp [output_format],3 |
157 | heavyiron | 1221 | jne illegal_instruction |
1222 | call find_structure_data |
||
1223 | jc unexpected_instruction |
||
1224 | movzx eax,byte [ebx+2] |
||
1225 | mov edx,[current_section] |
||
1226 | mov ecx,edi |
||
1227 | sub ecx,[edx+14h] |
||
1228 | add ecx,[edx+0Ch] |
||
1229 | mov edx,[code_start] |
||
1230 | test [format_flags],8 |
||
1231 | jnz end_pe64_data |
||
1232 | sub ecx,[edx+78h+eax*8] |
||
1233 | mov [edx+78h+eax*8+4],ecx |
||
1234 | jmp remove_structure_data |
||
1235 | end_pe64_data: |
||
31 | halyavin | 1236 | sub ecx,[edx+88h+eax*8] |
157 | heavyiron | 1237 | mov [edx+88h+eax*8+4],ecx |
1238 | jmp remove_structure_data |
||
1239 | pe_entry: |
||
31 | halyavin | 1240 | lods byte [esi] |
157 | heavyiron | 1241 | cmp al,'(' |
1242 | jne invalid_argument |
||
1243 | cmp byte [esi],'.' |
||
1244 | je invalid_value |
||
1245 | test [format_flags],8 |
||
1246 | jnz pe64_entry |
||
1247 | call get_dword_value |
||
1248 | mov bl,2 |
||
1249 | bt [resolver_flags],0 |
||
1250 | jc check_pe_entry_label_type |
||
1251 | xor bl,bl |
||
1252 | check_pe_entry_label_type: |
||
109 | heavyiron | 1253 | cmp [value_type],bl |
157 | heavyiron | 1254 | je pe_entry_ok |
1255 | cmp [error_line],0 |
||
1256 | jne pe_entry_ok |
||
1257 | mov edx,[current_line] |
||
1258 | mov [error_line],edx |
||
1259 | mov [error],invalid_address |
||
1260 | pe_entry_ok: |
||
31 | halyavin | 1261 | mov edx,[code_start] |
157 | heavyiron | 1262 | sub eax,[edx+34h] |
1263 | mov [edx+28h],eax |
||
1264 | jmp instruction_assembled |
||
1265 | pe64_entry: |
||
31 | halyavin | 1266 | call get_qword_value |
157 | heavyiron | 1267 | mov bl,4 |
1268 | bt [resolver_flags],0 |
||
1269 | jc check_pe64_entry_label_type |
||
1270 | xor bl,bl |
||
1271 | check_pe64_entry_label_type: |
||
109 | heavyiron | 1272 | cmp [value_type],bl |
157 | heavyiron | 1273 | je pe64_entry_type_ok |
1274 | cmp [error_line],0 |
||
1275 | jne pe64_entry_type_ok |
||
1276 | mov edx,[current_line] |
||
1277 | mov [error_line],edx |
||
1278 | mov [error],invalid_address |
||
1279 | pe64_entry_type_ok: |
||
109 | heavyiron | 1280 | mov ecx,[code_start] |
157 | heavyiron | 1281 | sub eax,[ecx+30h] |
1282 | sbb edx,[ecx+34h] |
||
1283 | jz pe64_entry_range_ok |
||
1284 | mov edx,[current_line] |
||
1285 | mov [error_line],edx |
||
1286 | mov [error],value_out_of_range |
||
1287 | pe64_entry_range_ok: |
||
109 | heavyiron | 1288 | mov [ecx+28h],eax |
157 | heavyiron | 1289 | jmp instruction_assembled |
1290 | pe_stack: |
||
31 | halyavin | 1291 | lods byte [esi] |
157 | heavyiron | 1292 | cmp al,'(' |
1293 | jne invalid_argument |
||
1294 | cmp byte [esi],'.' |
||
1295 | je invalid_value |
||
1296 | test [format_flags],8 |
||
1297 | jnz pe64_stack |
||
1298 | call get_dword_value |
||
1299 | cmp [value_type],0 |
||
1300 | jne invalid_use_of_symbol |
||
1301 | mov edx,[code_start] |
||
1302 | mov [edx+60h],eax |
||
1303 | cmp byte [esi],',' |
||
1304 | jne default_stack_commit |
||
1305 | lods byte [esi] |
||
1306 | lods byte [esi] |
||
1307 | cmp al,'(' |
||
1308 | jne invalid_argument |
||
1309 | cmp byte [esi],'.' |
||
1310 | je invalid_value |
||
1311 | call get_dword_value |
||
1312 | cmp [value_type],0 |
||
1313 | jne invalid_use_of_symbol |
||
1314 | mov edx,[code_start] |
||
1315 | mov [edx+64h],eax |
||
1316 | cmp eax,[edx+60h] |
||
1317 | ja value_out_of_range |
||
1318 | jmp instruction_assembled |
||
1319 | default_stack_commit: |
||
31 | halyavin | 1320 | mov dword [edx+64h],1000h |
157 | heavyiron | 1321 | mov eax,[edx+60h] |
1322 | cmp eax,1000h |
||
1323 | ja instruction_assembled |
||
1324 | mov dword [edx+64h],eax |
||
1325 | jmp instruction_assembled |
||
1326 | pe64_stack: |
||
31 | halyavin | 1327 | call get_qword_value |
157 | heavyiron | 1328 | cmp [value_type],0 |
1329 | jne invalid_use_of_symbol |
||
1330 | mov ecx,[code_start] |
||
1331 | mov [ecx+60h],eax |
||
1332 | mov [ecx+64h],edx |
||
1333 | cmp byte [esi],',' |
||
1334 | jne default_pe64_stack_commit |
||
1335 | lods byte [esi] |
||
1336 | lods byte [esi] |
||
1337 | cmp al,'(' |
||
1338 | jne invalid_argument |
||
1339 | cmp byte [esi],'.' |
||
1340 | je invalid_value |
||
1341 | call get_qword_value |
||
1342 | cmp [value_type],0 |
||
1343 | jne invalid_use_of_symbol |
||
1344 | mov ecx,[code_start] |
||
1345 | mov [ecx+68h],eax |
||
1346 | mov [ecx+6Ch],edx |
||
1347 | cmp edx,[ecx+64h] |
||
1348 | ja value_out_of_range |
||
1349 | jb instruction_assembled |
||
1350 | cmp eax,[edx+60h] |
||
1351 | ja value_out_of_range |
||
1352 | jmp instruction_assembled |
||
1353 | default_pe64_stack_commit: |
||
31 | halyavin | 1354 | mov dword [edx+68h],1000h |
157 | heavyiron | 1355 | cmp dword [edx+64h],0 |
1356 | jne instruction_assembled |
||
1357 | mov eax,[edx+60h] |
||
1358 | cmp eax,1000h |
||
1359 | ja instruction_assembled |
||
1360 | mov dword [edx+68h],eax |
||
1361 | jmp instruction_assembled |
||
1362 | pe_heap: |
||
31 | halyavin | 1363 | lods byte [esi] |
157 | heavyiron | 1364 | cmp al,'(' |
1365 | jne invalid_argument |
||
1366 | cmp byte [esi],'.' |
||
1367 | je invalid_value |
||
1368 | test [format_flags],8 |
||
1369 | jnz pe64_heap |
||
1370 | call get_dword_value |
||
1371 | cmp [value_type],0 |
||
1372 | jne invalid_use_of_symbol |
||
1373 | mov edx,[code_start] |
||
1374 | mov [edx+68h],eax |
||
1375 | cmp byte [esi],',' |
||
1376 | jne instruction_assembled |
||
1377 | lods byte [esi] |
||
1378 | lods byte [esi] |
||
1379 | cmp al,'(' |
||
1380 | jne invalid_argument |
||
1381 | cmp byte [esi],'.' |
||
1382 | je invalid_value |
||
1383 | call get_dword_value |
||
1384 | cmp [value_type],0 |
||
1385 | jne invalid_use_of_symbol |
||
1386 | mov edx,[code_start] |
||
1387 | mov [edx+6Ch],eax |
||
1388 | cmp eax,[edx+68h] |
||
1389 | ja value_out_of_range |
||
1390 | jmp instruction_assembled |
||
1391 | pe64_heap: |
||
31 | halyavin | 1392 | call get_qword_value |
157 | heavyiron | 1393 | cmp [value_type],0 |
1394 | jne invalid_use_of_symbol |
||
1395 | mov ecx,[code_start] |
||
1396 | mov [ecx+70h],eax |
||
1397 | mov [ecx+74h],edx |
||
1398 | cmp byte [esi],',' |
||
1399 | jne instruction_assembled |
||
1400 | lods byte [esi] |
||
1401 | lods byte [esi] |
||
1402 | cmp al,'(' |
||
1403 | jne invalid_argument |
||
1404 | cmp byte [esi],'.' |
||
1405 | je invalid_value |
||
1406 | call get_qword_value |
||
1407 | cmp [value_type],0 |
||
1408 | jne invalid_use_of_symbol |
||
1409 | mov ecx,[code_start] |
||
1410 | mov [ecx+78h],eax |
||
1411 | mov [ecx+7Ch],edx |
||
1412 | cmp edx,[ecx+74h] |
||
1413 | ja value_out_of_range |
||
1414 | jb instruction_assembled |
||
1415 | cmp eax,[edx+70h] |
||
1416 | ja value_out_of_range |
||
1417 | jmp instruction_assembled |
||
1418 | mark_pe_relocation: |
||
31 | halyavin | 1419 | push eax ebx |
157 | heavyiron | 1420 | test [format_flags],8 |
1421 | jz check_pe32_relocation_type |
||
370 | heavyiron | 1422 | cmp [value_type],4 |
1423 | je pe_relocation_type_ok |
||
157 | heavyiron | 1424 | check_pe32_relocation_type: |
370 | heavyiron | 1425 | cmp [value_type],2 |
1426 | je pe_relocation_type_ok |
||
1427 | cmp [error_line],0 |
||
157 | heavyiron | 1428 | jne pe_relocation_type_ok |
1429 | mov eax,[current_line] |
||
1430 | mov [error_line],eax |
||
1431 | mov [error],invalid_use_of_symbol |
||
1432 | pe_relocation_type_ok: |
||
109 | heavyiron | 1433 | mov ebx,[current_section] |
157 | heavyiron | 1434 | mov eax,edi |
1435 | sub eax,[ebx+14h] |
||
1436 | add eax,[ebx+0Ch] |
||
1437 | mov ebx,[free_additional_memory] |
||
1438 | inc [number_of_relocations] |
||
1439 | jz invalid_use_of_symbol |
||
1440 | add ebx,5 |
||
370 | heavyiron | 1441 | cmp ebx,[structures_buffer] |
157 | heavyiron | 1442 | jae out_of_memory |
1443 | mov [free_additional_memory],ebx |
||
1444 | mov [ebx-5],eax |
||
370 | heavyiron | 1445 | cmp [value_type],2 |
1446 | je fixup_32bit |
||
1447 | mov byte [ebx-1],0Ah |
||
1448 | jmp fixup_ok |
||
1449 | fixup_32bit: |
||
1450 | mov byte [ebx-1],3 |
||
1451 | fixup_ok: |
||
1452 | pop ebx eax |
||
157 | heavyiron | 1453 | ret |
1454 | generate_pe_data: |
||
31 | halyavin | 1455 | cmp al,2 |
157 | heavyiron | 1456 | je make_pe_resource |
1457 | cmp al,5 |
||
1458 | je make_pe_fixups |
||
1459 | ret |
||
1460 | make_pe_fixups: |
||
370 | heavyiron | 1461 | bts [resolver_flags],0 |
1462 | jc pe_relocatable_ok |
||
1463 | or [next_pass_needed],-1 |
||
1464 | pe_relocatable_ok: |
||
1465 | push esi |
||
1466 | mov ecx,[number_of_relocations] |
||
1467 | mov esi,[free_additional_memory] |
||
1468 | lea eax,[ecx*5] |
||
1469 | sub esi,eax |
||
1470 | mov [free_additional_memory],esi |
||
1471 | or [number_of_relocations],-1 |
||
1472 | xor edx,edx |
||
1473 | mov ebp,edi |
||
1474 | make_fixups: |
||
1475 | cmp [esi],edx |
||
1476 | jb store_fixup |
||
1477 | mov eax,edi |
||
1478 | sub eax,ebp |
||
1479 | test eax,11b |
||
1480 | jz fixups_block |
||
1481 | xor ax,ax |
||
1482 | stos word [edi] |
||
1483 | add dword [ebx],2 |
||
1484 | fixups_block: |
||
1485 | mov eax,edx |
||
1486 | add edx,1000h |
||
1487 | cmp [esi],edx |
||
1488 | jae fixups_block |
||
1489 | stos dword [edi] |
||
1490 | mov ebx,edi |
||
1491 | mov eax,8 |
||
1492 | stos dword [edi] |
||
1493 | store_fixup: |
||
1494 | jecxz fixups_done |
||
1495 | add dword [ebx],2 |
||
1496 | mov eax,[esi] |
||
1497 | and ax,0FFFh |
||
1498 | mov dl,[esi+4] |
||
1499 | shl dx,12 |
||
1500 | or ax,dx |
||
1501 | stos word [edi] |
||
1502 | add esi,5 |
||
1503 | loop make_fixups |
||
1504 | fixups_done: |
||
1505 | pop esi |
||
1506 | ret |
||
1507 | make_pe_resource: |
||
31 | halyavin | 1508 | cmp byte [esi],82h |
157 | heavyiron | 1509 | jne resource_done |
1510 | inc esi |
||
1511 | lods word [esi] |
||
1512 | cmp ax,'(' |
||
1513 | jne invalid_argument |
||
1514 | lods dword [esi] |
||
1515 | mov edx,esi |
||
1516 | lea esi,[esi+eax+1] |
||
1517 | cmp [next_pass_needed],0 |
||
1518 | je resource_from_file |
||
1519 | cmp [current_pass],0 |
||
1520 | jne reserve_space_for_resource |
||
1521 | mov [resource_size],0 |
||
1522 | reserve_space_for_resource: |
||
31 | halyavin | 1523 | add edi,[resource_size] |
157 | heavyiron | 1524 | cmp edi,[display_buffer] |
1525 | ja out_of_memory |
||
1526 | jmp resource_done |
||
1527 | resource_from_file: |
||
31 | halyavin | 1528 | push esi |
157 | heavyiron | 1529 | mov esi,edx |
1530 | call open_binary_file |
||
1531 | push ebx |
||
1532 | mov esi,[free_additional_memory] |
||
1533 | lea eax,[esi+20h] |
||
1534 | cmp eax,[structures_buffer] |
||
1535 | ja out_of_memory |
||
1536 | mov edx,esi |
||
1537 | mov ecx,20h |
||
1538 | call read |
||
1539 | jc invalid_file_format |
||
1540 | xor eax,eax |
||
1541 | cmp [esi],eax |
||
1542 | jne invalid_file_format |
||
1543 | mov ax,0FFFFh |
||
1544 | cmp [esi+8],eax |
||
1545 | jne invalid_file_format |
||
1546 | cmp [esi+12],eax |
||
1547 | jne invalid_file_format |
||
1548 | mov eax,20h |
||
1549 | cmp [esi+4],eax |
||
1550 | jne invalid_file_format |
||
1551 | read_resource_headers: |
||
31 | halyavin | 1552 | test eax,11b |
157 | heavyiron | 1553 | jz resource_file_alignment_ok |
1554 | mov edx,4 |
||
1555 | and eax,11b |
||
1556 | sub edx,eax |
||
1557 | mov al,1 |
||
1558 | call lseek |
||
1559 | resource_file_alignment_ok: |
||
31 | halyavin | 1560 | mov [esi],eax |
157 | heavyiron | 1561 | lea edx,[esi+12] |
1562 | mov ecx,8 |
||
1563 | call read |
||
1564 | jc resource_headers_ok |
||
1565 | mov ecx,[esi+16] |
||
1566 | add [esi],ecx |
||
1567 | lea edx,[esi+20] |
||
1568 | sub ecx,8 |
||
1569 | mov [esi+16],ecx |
||
1570 | lea eax,[edx+ecx] |
||
1571 | cmp eax,[structures_buffer] |
||
1572 | ja out_of_memory |
||
1573 | call read |
||
1574 | jc invalid_file_format |
||
1575 | mov edx,[esi] |
||
1576 | add edx,[esi+12] |
||
1577 | mov eax,[esi+16] |
||
1578 | lea ecx,[esi+20] |
||
1579 | lea esi,[ecx+eax] |
||
1580 | add ecx,2 |
||
1581 | cmp word [ecx-2],0FFFFh |
||
1582 | je resource_header_type_ok |
||
1583 | check_resource_header_type: |
||
31 | halyavin | 1584 | cmp ecx,esi |
157 | heavyiron | 1585 | jae invalid_file_format |
1586 | cmp word [ecx],0 |
||
1587 | je resource_header_type_ok |
||
1588 | add ecx,2 |
||
1589 | jmp check_resource_header_type |
||
1590 | resource_header_type_ok: |
||
31 | halyavin | 1591 | add ecx,2 |
157 | heavyiron | 1592 | cmp word [ecx],0FFFFh |
1593 | je resource_header_name_ok |
||
1594 | check_resource_header_name: |
||
31 | halyavin | 1595 | cmp ecx,esi |
157 | heavyiron | 1596 | jae invalid_file_format |
1597 | cmp word [ecx],0 |
||
1598 | je resource_header_name_ok |
||
1599 | add ecx,2 |
||
1600 | jmp check_resource_header_name |
||
1601 | resource_header_name_ok: |
||
31 | halyavin | 1602 | xor al,al |
157 | heavyiron | 1603 | call lseek |
1604 | jmp read_resource_headers |
||
1605 | resource_headers_ok: |
||
31 | halyavin | 1606 | xor eax,eax |
157 | heavyiron | 1607 | mov [esi],eax |
1608 | mov [resource_data],edi |
||
1609 | lea eax,[edi+16] |
||
1610 | cmp eax,[display_buffer] |
||
1611 | jae out_of_memory |
||
1612 | xor eax,eax |
||
1613 | stos dword [edi] |
||
1614 | call make_timestamp |
||
1615 | stos dword [edi] |
||
1616 | xor eax,eax |
||
1617 | stos dword [edi] |
||
1618 | stos dword [edi] |
||
1619 | xor ebx,ebx |
||
1620 | make_type_name_directory: |
||
31 | halyavin | 1621 | mov esi,[free_additional_memory] |
157 | heavyiron | 1622 | xor edx,edx |
1623 | find_type_name: |
||
31 | halyavin | 1624 | cmp dword [esi],0 |
157 | heavyiron | 1625 | je type_name_ok |
1626 | add esi,20 |
||
1627 | cmp word [esi],0FFFFh |
||
1628 | je check_next_type_name |
||
1629 | or ebx,ebx |
||
1630 | jz check_this_type_name |
||
1631 | xor ecx,ecx |
||
1632 | compare_with_previous_type_name: |
||
31 | halyavin | 1633 | mov ax,[esi+ecx] |
157 | heavyiron | 1634 | cmp ax,[ebx+ecx] |
1635 | ja check_this_type_name |
||
1636 | jb check_next_type_name |
||
1637 | add ecx,2 |
||
1638 | mov ax,[esi+ecx] |
||
1639 | or ax,[ebx+ecx] |
||
1640 | jnz compare_with_previous_type_name |
||
1641 | jmp check_next_type_name |
||
1642 | check_this_type_name: |
||
31 | halyavin | 1643 | or edx,edx |
157 | heavyiron | 1644 | jz type_name_found |
1645 | xor ecx,ecx |
||
1646 | compare_with_current_type_name: |
||
31 | halyavin | 1647 | mov ax,[esi+ecx] |
157 | heavyiron | 1648 | cmp ax,[edx+ecx] |
1649 | ja check_next_type_name |
||
1650 | jb type_name_found |
||
1651 | add ecx,2 |
||
1652 | mov ax,[esi+ecx] |
||
1653 | or ax,[edx+ecx] |
||
1654 | jnz compare_with_current_type_name |
||
1655 | jmp same_type_name |
||
1656 | type_name_found: |
||
31 | halyavin | 1657 | mov edx,esi |
157 | heavyiron | 1658 | same_type_name: |
31 | halyavin | 1659 | mov [esi-16],edi |
157 | heavyiron | 1660 | check_next_type_name: |
31 | halyavin | 1661 | mov eax,[esi-4] |
157 | heavyiron | 1662 | add esi,eax |
1663 | jmp find_type_name |
||
1664 | type_name_ok: |
||
31 | halyavin | 1665 | or edx,edx |
157 | heavyiron | 1666 | jz type_name_directory_done |
1667 | mov ebx,edx |
||
1668 | make_type_name_entry: |
||
31 | halyavin | 1669 | mov eax,[resource_data] |
157 | heavyiron | 1670 | inc word [eax+12] |
1671 | lea eax,[edi+8] |
||
1672 | cmp eax,[display_buffer] |
||
1673 | jae out_of_memory |
||
1674 | mov eax,ebx |
||
1675 | stos dword [edi] |
||
1676 | xor eax,eax |
||
1677 | stos dword [edi] |
||
1678 | jmp make_type_name_directory |
||
1679 | type_name_directory_done: |
||
31 | halyavin | 1680 | mov ebx,-1 |
157 | heavyiron | 1681 | make_type_id_directory: |
31 | halyavin | 1682 | mov esi,[free_additional_memory] |
157 | heavyiron | 1683 | mov edx,10000h |
1684 | find_type_id: |
||
31 | halyavin | 1685 | cmp dword [esi],0 |
157 | heavyiron | 1686 | je type_id_ok |
1687 | add esi,20 |
||
1688 | cmp word [esi],0FFFFh |
||
1689 | jne check_next_type_id |
||
1690 | movzx eax,word [esi+2] |
||
1691 | cmp eax,ebx |
||
1692 | jle check_next_type_id |
||
1693 | cmp eax,edx |
||
1694 | jg check_next_type_id |
||
1695 | mov edx,eax |
||
1696 | mov [esi-16],edi |
||
1697 | check_next_type_id: |
||
31 | halyavin | 1698 | mov eax,[esi-4] |
157 | heavyiron | 1699 | add esi,eax |
1700 | jmp find_type_id |
||
1701 | type_id_ok: |
||
31 | halyavin | 1702 | cmp edx,10000h |
157 | heavyiron | 1703 | je type_id_directory_done |
1704 | mov ebx,edx |
||
1705 | make_type_id_entry: |
||
31 | halyavin | 1706 | mov eax,[resource_data] |
157 | heavyiron | 1707 | inc word [eax+14] |
1708 | lea eax,[edi+8] |
||
1709 | cmp eax,[display_buffer] |
||
1710 | jae out_of_memory |
||
1711 | mov eax,ebx |
||
1712 | stos dword [edi] |
||
1713 | xor eax,eax |
||
1714 | stos dword [edi] |
||
1715 | jmp make_type_id_directory |
||
1716 | type_id_directory_done: |
||
31 | halyavin | 1717 | mov esi,[resource_data] |
157 | heavyiron | 1718 | add esi,10h |
1719 | mov ecx,[esi-4] |
||
1720 | or cx,cx |
||
1721 | jz resource_directories_ok |
||
1722 | make_resource_directories: |
||
31 | halyavin | 1723 | push ecx |
157 | heavyiron | 1724 | push edi |
1725 | mov edx,edi |
||
1726 | sub edx,[resource_data] |
||
1727 | bts edx,31 |
||
1728 | mov [esi+4],edx |
||
1729 | lea eax,[edi+16] |
||
1730 | cmp eax,[display_buffer] |
||
1731 | jae out_of_memory |
||
1732 | xor eax,eax |
||
1733 | stos dword [edi] |
||
1734 | call make_timestamp |
||
1735 | stos dword [edi] |
||
1736 | xor eax,eax |
||
1737 | stos dword [edi] |
||
1738 | stos dword [edi] |
||
1739 | mov ebp,esi |
||
1740 | xor ebx,ebx |
||
1741 | make_resource_name_directory: |
||
31 | halyavin | 1742 | mov esi,[free_additional_memory] |
157 | heavyiron | 1743 | xor edx,edx |
1744 | find_resource_name: |
||
31 | halyavin | 1745 | cmp dword [esi],0 |
157 | heavyiron | 1746 | je resource_name_ok |
1747 | push esi |
||
1748 | cmp [esi+4],ebp |
||
1749 | jne check_next_resource_name |
||
1750 | add esi,20 |
||
1751 | call skip_resource_name |
||
1752 | cmp word [esi],0FFFFh |
||
1753 | je check_next_resource_name |
||
1754 | or ebx,ebx |
||
1755 | jz check_this_resource_name |
||
1756 | xor ecx,ecx |
||
1757 | compare_with_previous_resource_name: |
||
31 | halyavin | 1758 | mov ax,[esi+ecx] |
157 | heavyiron | 1759 | cmp ax,[ebx+ecx] |
1760 | ja check_this_resource_name |
||
1761 | jb check_next_resource_name |
||
1762 | add ecx,2 |
||
1763 | mov ax,[esi+ecx] |
||
1764 | or ax,[ebx+ecx] |
||
1765 | jnz compare_with_previous_resource_name |
||
1766 | jmp check_next_resource_name |
||
1767 | skip_resource_name: |
||
31 | halyavin | 1768 | cmp word [esi],0FFFFh |
157 | heavyiron | 1769 | jne skip_unicode_string |
1770 | add esi,4 |
||
1771 | ret |
||
1772 | skip_unicode_string: |
||
31 | halyavin | 1773 | add esi,2 |
157 | heavyiron | 1774 | cmp word [esi-2],0 |
1775 | jne skip_unicode_string |
||
1776 | ret |
||
1777 | check_this_resource_name: |
||
31 | halyavin | 1778 | or edx,edx |
157 | heavyiron | 1779 | jz resource_name_found |
1780 | xor ecx,ecx |
||
1781 | compare_with_current_resource_name: |
||
31 | halyavin | 1782 | mov ax,[esi+ecx] |
157 | heavyiron | 1783 | cmp ax,[edx+ecx] |
1784 | ja check_next_resource_name |
||
1785 | jb resource_name_found |
||
1786 | add ecx,2 |
||
1787 | mov ax,[esi+ecx] |
||
1788 | or ax,[edx+ecx] |
||
1789 | jnz compare_with_current_resource_name |
||
1790 | jmp same_resource_name |
||
1791 | resource_name_found: |
||
31 | halyavin | 1792 | mov edx,esi |
157 | heavyiron | 1793 | same_resource_name: |
31 | halyavin | 1794 | mov eax,[esp] |
157 | heavyiron | 1795 | mov [eax+8],edi |
1796 | check_next_resource_name: |
||
31 | halyavin | 1797 | pop esi |
157 | heavyiron | 1798 | mov eax,[esi+16] |
1799 | lea esi,[esi+20+eax] |
||
1800 | jmp find_resource_name |
||
1801 | resource_name_ok: |
||
31 | halyavin | 1802 | or edx,edx |
157 | heavyiron | 1803 | jz resource_name_directory_done |
1804 | mov ebx,edx |
||
1805 | make_resource_name_entry: |
||
31 | halyavin | 1806 | mov eax,[esp] |
157 | heavyiron | 1807 | inc word [eax+12] |
1808 | lea eax,[edi+8] |
||
1809 | cmp eax,[display_buffer] |
||
1810 | jae out_of_memory |
||
1811 | mov eax,ebx |
||
1812 | stos dword [edi] |
||
1813 | xor eax,eax |
||
1814 | stos dword [edi] |
||
1815 | jmp make_resource_name_directory |
||
1816 | resource_name_directory_done: |
||
31 | halyavin | 1817 | mov ebx,-1 |
157 | heavyiron | 1818 | make_resource_id_directory: |
31 | halyavin | 1819 | mov esi,[free_additional_memory] |
157 | heavyiron | 1820 | mov edx,10000h |
1821 | find_resource_id: |
||
31 | halyavin | 1822 | cmp dword [esi],0 |
157 | heavyiron | 1823 | je resource_id_ok |
1824 | push esi |
||
1825 | cmp [esi+4],ebp |
||
1826 | jne check_next_resource_id |
||
1827 | add esi,20 |
||
1828 | call skip_resource_name |
||
1829 | cmp word [esi],0FFFFh |
||
1830 | jne check_next_resource_id |
||
1831 | movzx eax,word [esi+2] |
||
1832 | cmp eax,ebx |
||
1833 | jle check_next_resource_id |
||
1834 | cmp eax,edx |
||
1835 | jg check_next_resource_id |
||
1836 | mov edx,eax |
||
1837 | mov eax,[esp] |
||
1838 | mov [eax+8],edi |
||
1839 | check_next_resource_id: |
||
31 | halyavin | 1840 | pop esi |
157 | heavyiron | 1841 | mov eax,[esi+16] |
1842 | lea esi,[esi+20+eax] |
||
1843 | jmp find_resource_id |
||
1844 | resource_id_ok: |
||
31 | halyavin | 1845 | cmp edx,10000h |
157 | heavyiron | 1846 | je resource_id_directory_done |
1847 | mov ebx,edx |
||
1848 | make_resource_id_entry: |
||
31 | halyavin | 1849 | mov eax,[esp] |
157 | heavyiron | 1850 | inc word [eax+14] |
1851 | lea eax,[edi+8] |
||
1852 | cmp eax,[display_buffer] |
||
1853 | jae out_of_memory |
||
1854 | mov eax,ebx |
||
1855 | stos dword [edi] |
||
1856 | xor eax,eax |
||
1857 | stos dword [edi] |
||
1858 | jmp make_resource_id_directory |
||
1859 | resource_id_directory_done: |
||
31 | halyavin | 1860 | pop eax |
157 | heavyiron | 1861 | mov esi,ebp |
1862 | pop ecx |
||
1863 | add esi,8 |
||
1864 | dec cx |
||
1865 | jnz make_resource_directories |
||
1866 | resource_directories_ok: |
||
31 | halyavin | 1867 | shr ecx,16 |
157 | heavyiron | 1868 | jnz make_resource_directories |
1869 | mov esi,[resource_data] |
||
1870 | add esi,10h |
||
1871 | movzx eax,word [esi-4] |
||
1872 | movzx edx,word [esi-2] |
||
1873 | add eax,edx |
||
1874 | lea esi,[esi+eax*8] |
||
1875 | push edi ; address of language directories |
||
1876 | update_resource_directories: |
||
31 | halyavin | 1877 | cmp esi,[esp] |
157 | heavyiron | 1878 | je resource_directories_updated |
1879 | add esi,10h |
||
1880 | mov ecx,[esi-4] |
||
1881 | or cx,cx |
||
1882 | jz language_directories_ok |
||
1883 | make_language_directories: |
||
31 | halyavin | 1884 | push ecx |
157 | heavyiron | 1885 | push edi |
1886 | mov edx,edi |
||
1887 | sub edx,[resource_data] |
||
1888 | bts edx,31 |
||
1889 | mov [esi+4],edx |
||
1890 | lea eax,[edi+16] |
||
1891 | cmp eax,[display_buffer] |
||
1892 | jae out_of_memory |
||
1893 | xor eax,eax |
||
1894 | stos dword [edi] |
||
1895 | call make_timestamp |
||
1896 | stos dword [edi] |
||
1897 | xor eax,eax |
||
1898 | stos dword [edi] |
||
1899 | stos dword [edi] |
||
1900 | mov ebp,esi |
||
1901 | mov ebx,-1 |
||
1902 | make_language_id_directory: |
||
31 | halyavin | 1903 | mov esi,[free_additional_memory] |
157 | heavyiron | 1904 | mov edx,10000h |
1905 | find_language_id: |
||
31 | halyavin | 1906 | cmp dword [esi],0 |
157 | heavyiron | 1907 | je language_id_ok |
1908 | push esi |
||
1909 | cmp [esi+8],ebp |
||
1910 | jne check_next_language_id |
||
1911 | add esi,20 |
||
1912 | mov eax,esi |
||
1913 | call skip_resource_name |
||
1914 | call skip_resource_name |
||
1915 | neg eax |
||
1916 | add eax,esi |
||
1917 | and eax,11b |
||
1918 | add esi,eax |
||
1919 | get_language_id: |
||
31 | halyavin | 1920 | movzx eax,word [esi+6] |
157 | heavyiron | 1921 | cmp eax,ebx |
1922 | jle check_next_language_id |
||
1923 | cmp eax,edx |
||
1924 | jge check_next_language_id |
||
1925 | mov edx,eax |
||
1926 | mov eax,[esp] |
||
1927 | mov [current_offset],eax |
||
1928 | check_next_language_id: |
||
31 | halyavin | 1929 | pop esi |
157 | heavyiron | 1930 | mov eax,[esi+16] |
1931 | lea esi,[esi+20+eax] |
||
1932 | jmp find_language_id |
||
1933 | language_id_ok: |
||
31 | halyavin | 1934 | cmp edx,10000h |
157 | heavyiron | 1935 | je language_id_directory_done |
1936 | mov ebx,edx |
||
1937 | make_language_id_entry: |
||
31 | halyavin | 1938 | mov eax,[esp] |
157 | heavyiron | 1939 | inc word [eax+14] |
1940 | lea eax,[edi+8] |
||
1941 | cmp eax,[display_buffer] |
||
1942 | jae out_of_memory |
||
1943 | mov eax,ebx |
||
1944 | stos dword [edi] |
||
1945 | mov eax,[current_offset] |
||
1946 | stos dword [edi] |
||
1947 | jmp make_language_id_directory |
||
1948 | language_id_directory_done: |
||
31 | halyavin | 1949 | pop eax |
157 | heavyiron | 1950 | mov esi,ebp |
1951 | pop ecx |
||
1952 | add esi,8 |
||
1953 | dec cx |
||
1954 | jnz make_language_directories |
||
1955 | language_directories_ok: |
||
31 | halyavin | 1956 | shr ecx,16 |
157 | heavyiron | 1957 | jnz make_language_directories |
1958 | jmp update_resource_directories |
||
1959 | resource_directories_updated: |
||
31 | halyavin | 1960 | mov esi,[resource_data] |
157 | heavyiron | 1961 | push edi |
1962 | make_name_strings: |
||
31 | halyavin | 1963 | add esi,10h |
157 | heavyiron | 1964 | movzx eax,word [esi-2] |
1965 | movzx ecx,word [esi-4] |
||
1966 | add eax,ecx |
||
1967 | lea eax,[esi+eax*8] |
||
1968 | push eax |
||
1969 | or ecx,ecx |
||
1970 | jz string_entries_processed |
||
1971 | process_string_entries: |
||
31 | halyavin | 1972 | push ecx |
157 | heavyiron | 1973 | mov edx,edi |
1974 | sub edx,[resource_data] |
||
1975 | bts edx,31 |
||
1976 | xchg [esi],edx |
||
1977 | mov ebx,edi |
||
1978 | xor ax,ax |
||
1979 | stos word [edi] |
||
1980 | copy_string_data: |
||
31 | halyavin | 1981 | lea eax,[edi+2] |
157 | heavyiron | 1982 | cmp eax,[display_buffer] |
1983 | jae out_of_memory |
||
1984 | mov ax,[edx] |
||
1985 | or ax,ax |
||
1986 | jz string_data_copied |
||
1987 | stos word [edi] |
||
1988 | inc word [ebx] |
||
1989 | add edx,2 |
||
1990 | jmp copy_string_data |
||
1991 | string_data_copied: |
||
31 | halyavin | 1992 | add esi,8 |
157 | heavyiron | 1993 | pop ecx |
1994 | loop process_string_entries |
||
1995 | string_entries_processed: |
||
31 | halyavin | 1996 | pop esi |
157 | heavyiron | 1997 | cmp esi,[esp] |
1998 | jb make_name_strings |
||
1999 | mov eax,edi |
||
2000 | sub eax,[resource_data] |
||
2001 | test al,11b |
||
2002 | jz resource_strings_alignment_ok |
||
2003 | xor ax,ax |
||
2004 | stos word [edi] |
||
2005 | resource_strings_alignment_ok: |
||
31 | halyavin | 2006 | pop edx |
157 | heavyiron | 2007 | pop ebx ; address of language directories |
2008 | mov ebp,edi |
||
2009 | update_language_directories: |
||
31 | halyavin | 2010 | add ebx,10h |
157 | heavyiron | 2011 | movzx eax,word [ebx-2] |
2012 | movzx ecx,word [ebx-4] |
||
2013 | add ecx,eax |
||
2014 | make_data_records: |
||
31 | halyavin | 2015 | push ecx |
157 | heavyiron | 2016 | mov esi,edi |
2017 | sub esi,[resource_data] |
||
2018 | xchg esi,[ebx+4] |
||
2019 | lea eax,[edi+16] |
||
2020 | cmp eax,[display_buffer] |
||
2021 | jae out_of_memory |
||
2022 | mov eax,esi |
||
2023 | stos dword [edi] |
||
2024 | mov eax,[esi+12] |
||
2025 | stos dword [edi] |
||
2026 | xor eax,eax |
||
2027 | stos dword [edi] |
||
2028 | stos dword [edi] |
||
2029 | pop ecx |
||
2030 | add ebx,8 |
||
2031 | loop make_data_records |
||
2032 | cmp ebx,edx |
||
2033 | jb update_language_directories |
||
2034 | pop ebx ; file handle |
||
2035 | mov esi,ebp |
||
2036 | mov ebp,edi |
||
2037 | update_data_records: |
||
31 | halyavin | 2038 | push ebp |
157 | heavyiron | 2039 | mov ecx,edi |
2040 | mov eax,[current_section] |
||
2041 | sub ecx,[eax+14h] |
||
2042 | add ecx,[eax+0Ch] |
||
2043 | xchg ecx,[esi] |
||
2044 | mov edx,[ecx] |
||
2045 | xor al,al |
||
2046 | call lseek |
||
2047 | mov edx,edi |
||
2048 | mov ecx,[esi+4] |
||
2049 | add edi,ecx |
||
2050 | cmp edi,[display_buffer] |
||
2051 | ja out_of_memory |
||
2052 | call read |
||
2053 | mov eax,edi |
||
2054 | sub eax,[resource_data] |
||
2055 | and eax,11b |
||
2056 | jz resource_data_alignment_ok |
||
2057 | mov ecx,4 |
||
2058 | sub ecx,eax |
||
2059 | xor al,al |
||
2060 | rep stos byte [edi] |
||
2061 | resource_data_alignment_ok: |
||
31 | halyavin | 2062 | pop ebp |
157 | heavyiron | 2063 | add esi,16 |
2064 | cmp esi,ebp |
||
2065 | jb update_data_records |
||
2066 | pop esi |
||
2067 | call close |
||
2068 | mov eax,edi |
||
2069 | sub eax,[resource_data] |
||
2070 | mov [resource_size],eax |
||
2071 | resource_done: |
||
31 | halyavin | 2072 | ret |
157 | heavyiron | 2073 | close_pe: |
31 | halyavin | 2074 | call close_pe_section |
157 | heavyiron | 2075 | mov edx,[code_start] |
2076 | mov [edx+50h],eax |
||
2077 | call make_timestamp |
||
2078 | mov edx,[code_start] |
||
2079 | mov [edx+8],eax |
||
2080 | mov eax,[number_of_relocations] |
||
2081 | cmp eax,-1 |
||
2082 | je pe_relocations_ok |
||
2083 | shl eax,2 |
||
2084 | sub [free_additional_memory],eax |
||
2085 | btr [resolver_flags],0 |
||
2086 | jnc pe_relocations_ok |
||
2087 | or [next_pass_needed],-1 |
||
2088 | pe_relocations_ok: |
||
109 | heavyiron | 2089 | mov eax,[number_of_sections] |
157 | heavyiron | 2090 | mov [edx+6],ax |
2091 | imul eax,28h |
||
2092 | movzx ecx,word [edx+14h] |
||
2093 | lea eax,[eax+18h+ecx] |
||
2094 | add eax,[stub_size] |
||
2095 | mov ecx,[edx+3Ch] |
||
2096 | dec ecx |
||
2097 | add eax,ecx |
||
2098 | not ecx |
||
2099 | and eax,ecx |
||
2100 | cmp eax,[edx+54h] |
||
2101 | je pe_sections_ok |
||
2102 | or [next_pass_needed],-1 |
||
2103 | pe_sections_ok: |
||
31 | halyavin | 2104 | xor ecx,ecx |
157 | heavyiron | 2105 | add edx,78h |
2106 | test [format_flags],8 |
||
2107 | jz process_directories |
||
2108 | add edx,10h |
||
2109 | process_directories: |
||
31 | halyavin | 2110 | mov eax,[edx+ecx*8] |
157 | heavyiron | 2111 | or eax,eax |
2112 | jz directory_ok |
||
2113 | cmp dword [edx+ecx*8+4],-1 |
||
2114 | jne directory_ok |
||
2115 | section_data: |
||
31 | halyavin | 2116 | mov ebx,[edx+ecx*8] |
157 | heavyiron | 2117 | mov eax,[ebx+0Ch] |
2118 | mov [edx+ecx*8],eax ; directory rva |
||
2119 | mov eax,[ebx+8] |
||
2120 | mov [edx+ecx*8+4],eax ; directory size |
||
2121 | directory_ok: |
||
31 | halyavin | 2122 | inc cl |
157 | heavyiron | 2123 | cmp cl,10h |
2124 | jb process_directories |
||
2125 | mov ebx,[code_start] |
||
2126 | sub ebx,[stub_size] |
||
2127 | mov ecx,edi |
||
2128 | sub ecx,ebx |
||
2129 | mov ebp,ecx |
||
2130 | shr ecx,1 |
||
2131 | xor eax,eax |
||
2132 | cdq |
||
2133 | calculate_checksum: |
||
31 | halyavin | 2134 | mov dx,[ebx] |
157 | heavyiron | 2135 | add eax,edx |
2136 | mov dx,ax |
||
2137 | shr eax,16 |
||
2138 | add eax,edx |
||
2139 | add ebx,2 |
||
2140 | loop calculate_checksum |
||
2141 | add eax,ebp |
||
2142 | mov ebx,[code_start] |
||
2143 | mov [ebx+58h],eax |
||
2144 | ret |
||
2145 | |||
31 | halyavin | 2146 | |
2147 | mov eax,[additional_memory] |
||
157 | heavyiron | 2148 | mov [symbols_stream],eax |
2149 | mov ebx,eax |
||
2150 | add eax,20h |
||
2151 | cmp eax,[structures_buffer] |
||
2152 | jae out_of_memory |
||
2153 | mov [free_additional_memory],eax |
||
2154 | xor eax,eax |
||
2155 | mov [ebx],al |
||
2156 | mov [ebx+4],eax |
||
2157 | mov [ebx+8],edi |
||
2158 | mov al,4 |
||
2159 | mov [ebx+10h],eax |
||
2160 | mov al,60h |
||
2161 | bt [format_flags],0 |
||
2162 | jnc flat_section_flags_ok |
||
2163 | or eax,0E0000000h |
||
2164 | flat_section_flags_ok: |
||
31 | halyavin | 2165 | mov dword [ebx+14h],eax |
157 | heavyiron | 2166 | mov [current_section],ebx |
2167 | mov [number_of_sections],0 |
||
2168 | mov dword [org_origin],edi |
||
2169 | mov dword [org_origin+4],0 |
||
2170 | mov [org_registers],0 |
||
2171 | mov [org_start],edi |
||
2172 | mov [org_symbol],ebx |
||
2173 | mov [labels_type],2 |
||
2174 | mov [code_type],32 |
||
2175 | test [format_flags],8 |
||
2176 | jz instruction_assembled |
||
2177 | mov [labels_type],4 |
||
2178 | mov [code_type],64 |
||
2179 | jmp instruction_assembled |
||
2180 | coff_section: |
||
31 | halyavin | 2181 | call close_coff_section |
157 | heavyiron | 2182 | mov ebx,[free_additional_memory] |
2183 | lea eax,[ebx+20h] |
||
2184 | cmp eax,[structures_buffer] |
||
2185 | jae out_of_memory |
||
2186 | mov [free_additional_memory],eax |
||
2187 | mov [current_section],ebx |
||
2188 | inc [number_of_sections] |
||
2189 | xor eax,eax |
||
2190 | mov [ebx],al |
||
2191 | mov [ebx+8],edi |
||
2192 | mov dword [org_origin],edi |
||
2193 | mov dword [org_origin+4],0 |
||
2194 | mov [org_registers],0 |
||
2195 | mov [org_start],edi |
||
2196 | mov [org_symbol],ebx |
||
2197 | mov [labels_type],2 |
||
2198 | test [format_flags],8 |
||
2199 | jz coff_labels_type_ok |
||
2200 | mov [labels_type],4 |
||
2201 | coff_labels_type_ok: |
||
31 | halyavin | 2202 | mov [ebx+10h],eax |
157 | heavyiron | 2203 | mov [ebx+14h],eax |
2204 | lods word [esi] |
||
2205 | cmp ax,'(' |
||
2206 | jne invalid_argument |
||
2207 | mov [ebx+4],esi |
||
2208 | mov ecx,[esi] |
||
2209 | lea esi,[esi+4+ecx+1] |
||
2210 | cmp ecx,8 |
||
2211 | ja name_too_long |
||
2212 | coff_section_flags: |
||
31 | halyavin | 2213 | cmp byte [esi],1Ch |
157 | heavyiron | 2214 | je coff_section_alignment |
2215 | cmp byte [esi],19h |
||
2216 | jne coff_section_settings_ok |
||
2217 | inc esi |
||
2218 | lods byte [esi] |
||
2219 | bt [format_flags],0 |
||
2220 | jc coff_section_flag_ok |
||
2221 | cmp al,7 |
||
2222 | ja invalid_argument |
||
2223 | coff_section_flag_ok: |
||
31 | halyavin | 2224 | mov cl,al |
157 | heavyiron | 2225 | mov eax,1 |
2226 | shl eax,cl |
||
2227 | test dword [ebx+14h],eax |
||
2228 | jnz setting_already_specified |
||
2229 | or dword [ebx+14h],eax |
||
2230 | jmp coff_section_flags |
||
2231 | coff_section_alignment: |
||
31 | halyavin | 2232 | bt [format_flags],0 |
157 | heavyiron | 2233 | jnc invalid_argument |
2234 | inc esi |
||
2235 | lods byte [esi] |
||
2236 | or al,al |
||
2237 | jnz invalid_argument |
||
2238 | lods byte [esi] |
||
2239 | cmp al,'(' |
||
2240 | jne invalid_argument |
||
2241 | cmp byte [esi],'.' |
||
2242 | je invalid_value |
||
2243 | push ebx |
||
2244 | call get_dword_value |
||
2245 | pop ebx |
||
2246 | cmp [value_type],0 |
||
2247 | jne invalid_use_of_symbol |
||
2248 | mov edx,eax |
||
2249 | dec edx |
||
2250 | test eax,edx |
||
2251 | jnz invalid_value |
||
2252 | or eax,eax |
||
2253 | jz invalid_value |
||
2254 | cmp eax,2000h |
||
2255 | ja invalid_value |
||
2256 | bsf edx,eax |
||
2257 | inc edx |
||
2258 | shl edx,20 |
||
2259 | or [ebx+14h],edx |
||
2260 | xchg [ebx+10h],eax |
||
2261 | or eax,eax |
||
2262 | jnz setting_already_specified |
||
2263 | jmp coff_section_flags |
||
2264 | coff_section_settings_ok: |
||
31 | halyavin | 2265 | cmp dword [ebx+10h],0 |
157 | heavyiron | 2266 | jne instruction_assembled |
2267 | mov dword [ebx+10h],4 |
||
2268 | bt [format_flags],0 |
||
2269 | jnc instruction_assembled |
||
2270 | or dword [ebx+14h],300000h |
||
2271 | jmp instruction_assembled |
||
2272 | close_coff_section: |
||
31 | halyavin | 2273 | mov ebx,[current_section] |
157 | heavyiron | 2274 | mov eax,edi |
2275 | mov edx,[ebx+8] |
||
2276 | sub eax,edx |
||
2277 | mov [ebx+0Ch],eax |
||
2278 | xor eax,eax |
||
2279 | xchg [undefined_data_end],eax |
||
2280 | cmp eax,edi |
||
2281 | jne coff_section_ok |
||
2282 | cmp edx,[undefined_data_start] |
||
2283 | jne coff_section_ok |
||
2284 | mov edi,edx |
||
2285 | or byte [ebx+14h],80h |
||
2286 | coff_section_ok: |
||
31 | halyavin | 2287 | ret |
157 | heavyiron | 2288 | mark_coff_relocation: |
31 | halyavin | 2289 | cmp [value_type],3 |
157 | heavyiron | 2290 | je coff_relocation_relative |
2291 | push ebx eax |
||
2292 | test [format_flags],8 |
||
2293 | jnz coff_64bit_relocation |
||
2294 | mov al,6 |
||
2295 | jmp coff_relocation |
||
2296 | coff_64bit_relocation: |
||
31 | halyavin | 2297 | mov al,1 |
157 | heavyiron | 2298 | cmp [value_type],4 |
2299 | je coff_relocation |
||
2300 | mov al,2 |
||
2301 | jmp coff_relocation |
||
2302 | coff_relocation_relative: |
||
31 | halyavin | 2303 | push ebx |
157 | heavyiron | 2304 | bt [format_flags],0 |
2305 | jnc relative_ok |
||
2306 | mov ebx,[current_section] |
||
2307 | mov ebx,[ebx+8] |
||
2308 | sub ebx,edi |
||
2309 | sub eax,ebx |
||
2310 | add eax,4 |
||
2311 | relative_ok: |
||
31 | halyavin | 2312 | push eax |
157 | heavyiron | 2313 | mov al,20 |
2314 | test [format_flags],8 |
||
2315 | jnz relative_coff_64bit_relocation |
||
2316 | cmp [labels_type],2 |
||
2317 | jne invalid_use_of_symbol |
||
2318 | jmp coff_relocation |
||
2319 | relative_coff_64bit_relocation: |
||
31 | halyavin | 2320 | mov al,4 |
157 | heavyiron | 2321 | cmp [labels_type],4 |
2322 | jne invalid_use_of_symbol |
||
2323 | coff_relocation: |
||
31 | halyavin | 2324 | mov ebx,[free_additional_memory] |
157 | heavyiron | 2325 | add ebx,0Ch |
2326 | cmp ebx,[structures_buffer] |
||
2327 | jae out_of_memory |
||
2328 | mov [free_additional_memory],ebx |
||
2329 | mov byte [ebx-0Ch],al |
||
2330 | mov eax,[current_section] |
||
2331 | mov eax,[eax+8] |
||
2332 | neg eax |
||
2333 | add eax,edi |
||
2334 | mov [ebx-0Ch+4],eax |
||
2335 | mov eax,[symbol_identifier] |
||
2336 | mov [ebx-0Ch+8],eax |
||
2337 | pop eax ebx |
||
2338 | ret |
||
2339 | close_coff: |
||
31 | halyavin | 2340 | call close_coff_section |
157 | heavyiron | 2341 | cmp [next_pass_needed],0 |
2342 | je coff_closed |
||
2343 | mov eax,[symbols_stream] |
||
2344 | mov [free_additional_memory],eax |
||
2345 | coff_closed: |
||
31 | halyavin | 2346 | ret |
157 | heavyiron | 2347 | coff_formatter: |
31 | halyavin | 2348 | sub edi,[code_start] |
157 | heavyiron | 2349 | mov [code_size],edi |
2350 | call prepare_default_section |
||
2351 | mov edi,[free_additional_memory] |
||
2352 | mov ebx,edi |
||
2353 | mov ecx,28h shr 2 |
||
2354 | imul ecx,[number_of_sections] |
||
2355 | add ecx,14h shr 2 |
||
2356 | lea eax,[edi+ecx*4] |
||
2357 | cmp eax,[structures_buffer] |
||
2358 | jae out_of_memory |
||
2359 | xor eax,eax |
||
2360 | rep stos dword [edi] |
||
2361 | mov word [ebx],14Ch |
||
2362 | test [format_flags],8 |
||
2363 | jz coff_magic_ok |
||
2364 | mov word [ebx],8664h |
||
2365 | coff_magic_ok: |
||
31 | halyavin | 2366 | mov word [ebx+12h],104h |
157 | heavyiron | 2367 | bt [format_flags],0 |
2368 | jnc coff_flags_ok |
||
2369 | or byte [ebx+12h],80h |
||
2370 | coff_flags_ok: |
||
31 | halyavin | 2371 | push ebx |
157 | heavyiron | 2372 | call make_timestamp |
2373 | pop ebx |
||
2374 | mov [ebx+4],eax |
||
2375 | mov eax,[number_of_sections] |
||
2376 | mov [ebx+2],ax |
||
2377 | mov esi,[symbols_stream] |
||
2378 | xor eax,eax |
||
2379 | xor ecx,ecx |
||
2380 | enumerate_symbols: |
||
31 | halyavin | 2381 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2382 | je symbols_enumerated |
2383 | mov dl,[esi] |
||
2384 | or dl,dl |
||
2385 | jz enumerate_section |
||
2386 | cmp dl,80h |
||
2387 | je enumerate_public |
||
2388 | ja enumerate_extrn |
||
2389 | add esi,0Ch |
||
2390 | jmp enumerate_symbols |
||
2391 | enumerate_section: |
||
31 | halyavin | 2392 | mov edx,eax |
157 | heavyiron | 2393 | shl edx,8 |
2394 | mov [esi],edx |
||
2395 | inc eax |
||
2396 | inc ecx |
||
2397 | mov [esi+1Eh],cx |
||
2398 | add esi,20h |
||
2399 | jmp enumerate_symbols |
||
2400 | enumerate_public: |
||
31 | halyavin | 2401 | mov edx,eax |
157 | heavyiron | 2402 | shl edx,8 |
2403 | mov dl,80h |
||
2404 | mov [esi],edx |
||
2405 | mov edx,[esi+8] |
||
2406 | add esi,10h |
||
2407 | inc eax |
||
2408 | cmp byte [edx+11],2 |
||
2409 | jne enumerate_symbols |
||
2410 | mov edx,[edx+20] |
||
2411 | cmp byte [edx],81h |
||
2412 | jne enumerate_symbols |
||
2413 | inc eax |
||
2414 | jmp enumerate_symbols |
||
2415 | enumerate_extrn: |
||
31 | halyavin | 2416 | mov edx,eax |
157 | heavyiron | 2417 | shl edx,8 |
2418 | mov dl,81h |
||
2419 | mov [esi],edx |
||
2420 | add esi,0Ch |
||
2421 | inc eax |
||
2422 | jmp enumerate_symbols |
||
2423 | prepare_default_section: |
||
31 | halyavin | 2424 | mov ebx,[symbols_stream] |
157 | heavyiron | 2425 | cmp dword [ebx+0Ch],0 |
2426 | jne default_section_ok |
||
2427 | cmp [number_of_sections],0 |
||
2428 | je default_section_ok |
||
2429 | mov edx,ebx |
||
2430 | find_references_to_default_section: |
||
31 | halyavin | 2431 | cmp ebx,[free_additional_memory] |
157 | heavyiron | 2432 | jne check_reference |
2433 | add [symbols_stream],20h |
||
2434 | ret |
||
2435 | check_reference: |
||
31 | halyavin | 2436 | mov al,[ebx] |
157 | heavyiron | 2437 | or al,al |
2438 | jz skip_other_section |
||
2439 | cmp al,80h |
||
2440 | je check_public_reference |
||
2441 | ja next_reference |
||
2442 | cmp edx,[ebx+8] |
||
2443 | je default_section_ok |
||
2444 | next_reference: |
||
31 | halyavin | 2445 | add ebx,0Ch |
157 | heavyiron | 2446 | jmp find_references_to_default_section |
2447 | check_public_reference: |
||
31 | halyavin | 2448 | mov eax,[ebx+8] |
157 | heavyiron | 2449 | add ebx,10h |
2450 | test byte [eax+8],1 |
||
2451 | jz find_references_to_default_section |
||
2452 | mov cx,[current_pass] |
||
2453 | cmp cx,[eax+16] |
||
2454 | jne find_references_to_default_section |
||
2455 | cmp edx,[eax+20] |
||
2456 | je default_section_ok |
||
2457 | jmp find_references_to_default_section |
||
2458 | skip_other_section: |
||
31 | halyavin | 2459 | add ebx,20h |
157 | heavyiron | 2460 | jmp find_references_to_default_section |
2461 | default_section_ok: |
||
31 | halyavin | 2462 | inc [number_of_sections] |
157 | heavyiron | 2463 | ret |
2464 | symbols_enumerated: |
||
31 | halyavin | 2465 | mov [ebx+0Ch],eax |
157 | heavyiron | 2466 | mov ebp,edi |
2467 | sub ebp,ebx |
||
2468 | push ebp |
||
2469 | lea edi,[ebx+14h] |
||
2470 | mov esi,[symbols_stream] |
||
2471 | find_section: |
||
31 | halyavin | 2472 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2473 | je sections_finished |
2474 | mov al,[esi] |
||
2475 | or al,al |
||
2476 | jz section_found |
||
2477 | add esi,0Ch |
||
2478 | cmp al,80h |
||
2479 | jne find_section |
||
2480 | add esi,4 |
||
2481 | jmp find_section |
||
2482 | section_found: |
||
31 | halyavin | 2483 | push esi edi |
157 | heavyiron | 2484 | mov esi,[esi+4] |
2485 | or esi,esi |
||
2486 | jz default_section |
||
2487 | mov ecx,[esi] |
||
2488 | add esi,4 |
||
2489 | rep movs byte [edi],[esi] |
||
2490 | jmp section_name_ok |
||
2491 | default_section: |
||
31 | halyavin | 2492 | mov al,'.' |
157 | heavyiron | 2493 | stos byte [edi] |
2494 | mov eax,'flat' |
||
2495 | stos dword [edi] |
||
2496 | section_name_ok: |
||
31 | halyavin | 2497 | pop edi esi |
157 | heavyiron | 2498 | mov eax,[esi+0Ch] |
2499 | mov [edi+10h],eax |
||
2500 | mov eax,[esi+14h] |
||
2501 | mov [edi+24h],eax |
||
2502 | test al,80h |
||
2503 | jnz section_ptr_ok |
||
2504 | mov eax,[esi+8] |
||
2505 | sub eax,[code_start] |
||
2506 | add eax,ebp |
||
2507 | mov [edi+14h],eax |
||
2508 | section_ptr_ok: |
||
31 | halyavin | 2509 | mov ebx,[code_start] |
157 | heavyiron | 2510 | mov edx,[code_size] |
2511 | add ebx,edx |
||
2512 | add edx,ebp |
||
2513 | xor ecx,ecx |
||
2514 | add esi,20h |
||
2515 | find_relocations: |
||
31 | halyavin | 2516 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2517 | je section_relocations_done |
2518 | mov al,[esi] |
||
2519 | or al,al |
||
2520 | jz section_relocations_done |
||
2521 | cmp al,80h |
||
2522 | jb add_relocation |
||
2523 | ja next_relocation |
||
2524 | add esi,10h |
||
2525 | jmp find_relocations |
||
2526 | add_relocation: |
||
31 | halyavin | 2527 | lea eax,[ebx+0Ah] |
157 | heavyiron | 2528 | cmp eax,[display_buffer] |
2529 | ja out_of_memory |
||
2530 | mov eax,[esi+4] |
||
2531 | mov [ebx],eax |
||
2532 | mov eax,[esi+8] |
||
2533 | mov eax,[eax] |
||
2534 | shr eax,8 |
||
2535 | mov [ebx+4],eax |
||
2536 | movzx ax,byte [esi] |
||
2537 | mov [ebx+8],ax |
||
2538 | add ebx,0Ah |
||
2539 | inc ecx |
||
2540 | next_relocation: |
||
31 | halyavin | 2541 | add esi,0Ch |
157 | heavyiron | 2542 | jmp find_relocations |
2543 | section_relocations_done: |
||
31 | halyavin | 2544 | cmp ecx,10000h |
157 | heavyiron | 2545 | jb section_relocations_count_16bit |
2546 | bt [format_flags],0 |
||
2547 | jnc format_limitations_exceeded |
||
2548 | mov word [edi+20h],0FFFFh |
||
2549 | or dword [edi+24h],1000000h |
||
2550 | mov [edi+18h],edx |
||
2551 | push esi edi |
||
2552 | push ecx |
||
2553 | lea esi,[ebx-1] |
||
2554 | add ebx,0Ah |
||
2555 | lea edi,[ebx-1] |
||
2556 | imul ecx,0Ah |
||
2557 | std |
||
2558 | rep movs byte [edi],[esi] |
||
2559 | cld |
||
2560 | pop ecx |
||
2561 | inc esi |
||
2562 | inc ecx |
||
2563 | mov [esi],ecx |
||
2564 | xor eax,eax |
||
2565 | mov [esi+4],eax |
||
2566 | mov [esi+8],ax |
||
2567 | pop edi esi |
||
2568 | jmp section_relocations_ok |
||
2569 | section_relocations_count_16bit: |
||
31 | halyavin | 2570 | mov [edi+20h],cx |
157 | heavyiron | 2571 | jcxz section_relocations_ok |
2572 | mov [edi+18h],edx |
||
2573 | section_relocations_ok: |
||
31 | halyavin | 2574 | sub ebx,[code_start] |
157 | heavyiron | 2575 | mov [code_size],ebx |
2576 | add edi,28h |
||
2577 | jmp find_section |
||
2578 | sections_finished: |
||
31 | halyavin | 2579 | mov edx,[free_additional_memory] |
157 | heavyiron | 2580 | mov ebx,[code_size] |
2581 | add ebp,ebx |
||
2582 | mov [edx+8],ebp |
||
2583 | add ebx,[code_start] |
||
2584 | mov edi,ebx |
||
2585 | mov ecx,[edx+0Ch] |
||
2586 | imul ecx,12h shr 1 |
||
2587 | xor eax,eax |
||
2588 | shr ecx,1 |
||
2589 | jnc zero_symbols_table |
||
2590 | stos word [edi] |
||
2591 | zero_symbols_table: |
||
31 | halyavin | 2592 | rep stos dword [edi] |
157 | heavyiron | 2593 | mov edx,edi |
2594 | stos dword [edi] |
||
2595 | mov esi,[symbols_stream] |
||
2596 | make_symbols_table: |
||
109 | heavyiron | 2597 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2598 | je symbols_table_ok |
2599 | mov al,[esi] |
||
2600 | cmp al,80h |
||
2601 | je add_public_symbol |
||
2602 | ja add_extrn_symbol |
||
2603 | or al,al |
||
2604 | jz add_section_symbol |
||
2605 | add esi,0Ch |
||
2606 | jmp make_symbols_table |
||
2607 | add_section_symbol: |
||
31 | halyavin | 2608 | call store_symbol_name |
157 | heavyiron | 2609 | movzx eax,word [esi+1Eh] |
2610 | mov [ebx+0Ch],ax |
||
2611 | mov byte [ebx+10h],3 |
||
2612 | add esi,20h |
||
2613 | add ebx,12h |
||
2614 | jmp make_symbols_table |
||
2615 | add_extrn_symbol: |
||
31 | halyavin | 2616 | call store_symbol_name |
157 | heavyiron | 2617 | mov byte [ebx+10h],2 |
2618 | add esi,0Ch |
||
2619 | add ebx,12h |
||
2620 | jmp make_symbols_table |
||
2621 | add_public_symbol: |
||
31 | halyavin | 2622 | call store_symbol_name |
157 | heavyiron | 2623 | mov eax,[esi+0Ch] |
2624 | mov [current_line],eax |
||
2625 | mov eax,[esi+8] |
||
2626 | test byte [eax+8],1 |
||
2627 | jz undefined_symbol |
||
2628 | mov cx,[current_pass] |
||
2629 | cmp cx,[eax+16] |
||
2630 | jne undefined_symbol |
||
2631 | mov cl,[eax+11] |
||
2632 | or cl,cl |
||
2633 | jz public_constant |
||
2634 | test [format_flags],8 |
||
2635 | jnz check_64bit_public_symbol |
||
2636 | cmp cl,2 |
||
2637 | je public_symbol_type_ok |
||
2638 | jmp invalid_use_of_symbol |
||
2639 | check_64bit_public_symbol: |
||
31 | halyavin | 2640 | cmp cl,4 |
157 | heavyiron | 2641 | jne invalid_use_of_symbol |
2642 | public_symbol_type_ok: |
||
31 | halyavin | 2643 | mov ecx,[eax+20] |
157 | heavyiron | 2644 | cmp byte [ecx],81h |
2645 | je alias_symbol |
||
2646 | cmp byte [ecx],0 |
||
2647 | jne invalid_use_of_symbol |
||
2648 | mov cx,[ecx+1Eh] |
||
2649 | mov [ebx+0Ch],cx |
||
2650 | public_symbol_section_ok: |
||
31 | halyavin | 2651 | cmp dword [eax+4],0 |
157 | heavyiron | 2652 | je store_public_symbol |
2653 | cmp dword [eax+4],-1 |
||
2654 | jne value_out_of_range |
||
2655 | bt dword [eax],31 |
||
2656 | jnc value_out_of_range |
||
2657 | store_public_symbol: |
||
31 | halyavin | 2658 | mov eax,[eax] |
157 | heavyiron | 2659 | mov [ebx+8],eax |
2660 | mov byte [ebx+10h],2 |
||
2661 | add esi,10h |
||
2662 | add ebx,12h |
||
2663 | jmp make_symbols_table |
||
2664 | alias_symbol: |
||
31 | halyavin | 2665 | bt [format_flags],0 |
157 | heavyiron | 2666 | jnc invalid_use_of_symbol |
2667 | mov ecx,[eax] |
||
2668 | or ecx,[eax+4] |
||
2669 | jnz invalid_use_of_symbol |
||
2670 | mov byte [ebx+10h],69h |
||
2671 | mov byte [ebx+11h],1 |
||
2672 | add ebx,12h |
||
2673 | mov ecx,[eax+20] |
||
2674 | mov ecx,[ecx] |
||
2675 | shr ecx,8 |
||
2676 | mov [ebx],ecx |
||
2677 | mov byte [ebx+4],3 |
||
2678 | add esi,10h |
||
2679 | add ebx,12h |
||
2680 | jmp make_symbols_table |
||
2681 | public_constant: |
||
31 | halyavin | 2682 | mov word [ebx+0Ch],0FFFFh |
157 | heavyiron | 2683 | jmp public_symbol_section_ok |
2684 | symbols_table_ok: |
||
31 | halyavin | 2685 | mov eax,edi |
157 | heavyiron | 2686 | sub eax,edx |
2687 | mov [edx],eax |
||
2688 | sub edi,[code_start] |
||
2689 | mov [code_size],edi |
||
2690 | mov [written_size],0 |
||
2691 | mov edx,[output_file] |
||
2692 | call create |
||
2693 | jc write_failed |
||
2694 | mov edx,[free_additional_memory] |
||
2695 | pop ecx |
||
2696 | add [written_size],ecx |
||
2697 | call write |
||
2698 | jc write_failed |
||
2699 | jmp write_output |
||
2700 | store_symbol_name: |
||
31 | halyavin | 2701 | push esi |
157 | heavyiron | 2702 | mov esi,[esi+4] |
2703 | or esi,esi |
||
2704 | jz default_name |
||
2705 | lods dword [esi] |
||
2706 | mov ecx,eax |
||
2707 | cmp ecx,8 |
||
2708 | ja add_string |
||
2709 | push edi |
||
2710 | mov edi,ebx |
||
2711 | rep movs byte [edi],[esi] |
||
2712 | pop edi esi |
||
2713 | ret |
||
2714 | default_name: |
||
31 | halyavin | 2715 | mov dword [ebx],'.fla' |
157 | heavyiron | 2716 | mov dword [ebx+4],'t' |
2717 | pop esi |
||
2718 | ret |
||
2719 | add_string: |
||
31 | halyavin | 2720 | mov eax,edi |
157 | heavyiron | 2721 | sub eax,edx |
2722 | mov [ebx+4],eax |
||
2723 | inc ecx |
||
2724 | rep movs byte [edi],[esi] |
||
2725 | pop esi |
||
2726 | ret |
||
2727 | |||
31 | halyavin | 2728 | |
2729 | test [format_flags],8 |
||
157 | heavyiron | 2730 | jnz format_elf64 |
2731 | mov edx,edi |
||
2732 | mov ecx,34h shr 2 |
||
2733 | lea eax,[edi+ecx*4] |
||
2734 | cmp eax,[display_buffer] |
||
2735 | jae out_of_memory |
||
2736 | xor eax,eax |
||
2737 | rep stos dword [edi] |
||
2738 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2739 | mov al,1 |
||
2740 | mov [edx+4],al |
||
2741 | mov [edx+5],al |
||
2742 | mov [edx+6],al |
||
2743 | mov [edx+14h],al |
||
2744 | mov byte [edx+12h],3 |
||
2745 | mov byte [edx+28h],34h |
||
2746 | mov byte [edx+2Eh],28h |
||
2747 | mov [code_type],32 |
||
2748 | cmp word [esi],1D19h |
||
2749 | je format_elf_exe |
||
2750 | mov [labels_type],2 |
||
2751 | elf_header_ok: |
||
31 | halyavin | 2752 | mov byte [edx+10h],1 |
157 | heavyiron | 2753 | mov eax,[additional_memory] |
2754 | mov [symbols_stream],eax |
||
2755 | mov ebx,eax |
||
2756 | add eax,20h |
||
2757 | cmp eax,[structures_buffer] |
||
2758 | jae out_of_memory |
||
2759 | mov [free_additional_memory],eax |
||
2760 | xor eax,eax |
||
2761 | mov [current_section],ebx |
||
2762 | mov [number_of_sections],eax |
||
2763 | mov dword [org_origin],edi |
||
2764 | mov dword [org_origin+4],eax |
||
2765 | mov [org_registers],eax |
||
2766 | mov [org_start],edi |
||
2767 | mov [org_symbol],ebx |
||
2768 | mov [ebx],al |
||
2769 | mov [ebx+4],eax |
||
2770 | mov [ebx+8],edi |
||
2771 | mov al,111b |
||
2772 | mov [ebx+14h],eax |
||
2773 | mov al,4 |
||
2774 | mov [ebx+10h],eax |
||
2775 | test [format_flags],8 |
||
2776 | jz instruction_assembled |
||
2777 | mov byte [ebx+10h],8 |
||
2778 | jmp instruction_assembled |
||
2779 | format_elf64: |
||
31 | halyavin | 2780 | mov edx,edi |
157 | heavyiron | 2781 | mov ecx,40h shr 2 |
2782 | lea eax,[edi+ecx*4] |
||
2783 | cmp eax,[display_buffer] |
||
2784 | jae out_of_memory |
||
2785 | xor eax,eax |
||
2786 | rep stos dword [edi] |
||
2787 | mov dword [edx],7Fh + 'ELF' shl 8 |
||
2788 | mov al,1 |
||
2789 | mov [edx+5],al |
||
2790 | mov [edx+6],al |
||
2791 | mov [edx+14h],al |
||
2792 | mov byte [edx+4],2 |
||
2793 | mov byte [edx+12h],62 |
||
2794 | mov byte [edx+34h],40h |
||
2795 | mov byte [edx+3Ah],40h |
||
2796 | mov [code_type],64 |
||
2797 | cmp word [esi],1D19h |
||
2798 | je format_elf64_exe |
||
2799 | mov [labels_type],4 |
||
2800 | jmp elf_header_ok |
||
2801 | elf_section: |
||
31 | halyavin | 2802 | bt [format_flags],0 |
157 | heavyiron | 2803 | jc illegal_instruction |
2804 | call close_coff_section |
||
2805 | mov ebx,[free_additional_memory] |
||
2806 | lea eax,[ebx+20h] |
||
2807 | cmp eax,[structures_buffer] |
||
2808 | jae out_of_memory |
||
2809 | mov [free_additional_memory],eax |
||
2810 | mov [current_section],ebx |
||
2811 | inc word [number_of_sections] |
||
2812 | jz format_limitations_exceeded |
||
2813 | xor eax,eax |
||
2814 | mov [ebx],al |
||
2815 | mov [ebx+8],edi |
||
2816 | mov dword [org_origin],edi |
||
2817 | mov dword [org_origin+4],0 |
||
2818 | mov [org_registers],0 |
||
2819 | mov [org_start],edi |
||
2820 | mov [org_symbol],ebx |
||
2821 | test [format_flags],8 |
||
2822 | jnz elf64_labels_type |
||
2823 | mov [labels_type],2 |
||
2824 | jmp elf_labels_type_ok |
||
2825 | elf64_labels_type: |
||
31 | halyavin | 2826 | mov [labels_type],4 |
157 | heavyiron | 2827 | elf_labels_type_ok: |
31 | halyavin | 2828 | mov [ebx+10h],eax |
157 | heavyiron | 2829 | mov al,10b |
2830 | mov [ebx+14h],eax |
||
2831 | lods word [esi] |
||
2832 | cmp ax,'(' |
||
2833 | jne invalid_argument |
||
2834 | mov [ebx+4],esi |
||
2835 | mov ecx,[esi] |
||
2836 | lea esi,[esi+4+ecx+1] |
||
2837 | elf_section_flags: |
||
31 | halyavin | 2838 | cmp byte [esi],1Ch |
157 | heavyiron | 2839 | je elf_section_alignment |
2840 | cmp byte [esi],19h |
||
2841 | jne elf_section_settings_ok |
||
2842 | inc esi |
||
2843 | lods byte [esi] |
||
2844 | sub al,28 |
||
2845 | xor al,11b |
||
2846 | test al,not 10b |
||
2847 | jnz invalid_argument |
||
2848 | mov cl,al |
||
2849 | mov al,1 |
||
2850 | shl al,cl |
||
2851 | test byte [ebx+14h],al |
||
2852 | jnz setting_already_specified |
||
2853 | or byte [ebx+14h],al |
||
2854 | jmp elf_section_flags |
||
2855 | elf_section_alignment: |
||
31 | halyavin | 2856 | inc esi |
157 | heavyiron | 2857 | lods byte [esi] |
2858 | or al,al |
||
2859 | jnz invalid_argument |
||
2860 | lods byte [esi] |
||
2861 | cmp al,'(' |
||
2862 | jne invalid_argument |
||
2863 | cmp byte [esi],'.' |
||
2864 | je invalid_value |
||
2865 | push ebx |
||
2866 | call get_dword_value |
||
2867 | pop ebx |
||
2868 | cmp [value_type],0 |
||
2869 | jne invalid_use_of_symbol |
||
2870 | mov edx,eax |
||
2871 | dec edx |
||
2872 | test eax,edx |
||
2873 | jnz invalid_value |
||
2874 | or eax,eax |
||
2875 | jz invalid_value |
||
2876 | xchg [ebx+10h],eax |
||
2877 | or eax,eax |
||
2878 | jnz setting_already_specified |
||
2879 | jmp elf_section_flags |
||
2880 | elf_section_settings_ok: |
||
31 | halyavin | 2881 | cmp dword [ebx+10h],0 |
157 | heavyiron | 2882 | jne instruction_assembled |
2883 | mov dword [ebx+10h],4 |
||
2884 | test [format_flags],8 |
||
2885 | jz instruction_assembled |
||
2886 | mov byte [ebx+10h],8 |
||
2887 | jmp instruction_assembled |
||
2888 | mark_elf_relocation: |
||
31 | halyavin | 2889 | cmp [value_type],3 |
157 | heavyiron | 2890 | je elf_relocation_relative |
2891 | cmp [value_type],7 |
||
174 | heavyiron | 2892 | je elf_relocation_relative |
2893 | push ebx eax |
||
157 | heavyiron | 2894 | cmp [value_type],5 |
174 | heavyiron | 2895 | je elf_gotoff_relocation |
157 | heavyiron | 2896 | ja invalid_use_of_symbol |
174 | heavyiron | 2897 | mov al,1 ; R_386_32 / R_AMD64_64 |
2898 | test [format_flags],8 |
||
157 | heavyiron | 2899 | jz coff_relocation |
2900 | cmp [value_type],4 |
||
2901 | je coff_relocation |
||
2902 | mov al,11 ; R_AMD64_32S |
||
174 | heavyiron | 2903 | jmp coff_relocation |
157 | heavyiron | 2904 | elf_gotoff_relocation: |
109 | heavyiron | 2905 | test [format_flags],8 |
174 | heavyiron | 2906 | jnz invalid_use_of_symbol |
2907 | mov al,9 ; R_386_GOTOFF |
||
2908 | jmp coff_relocation |
||
157 | heavyiron | 2909 | elf_relocation_relative: |
31 | halyavin | 2910 | cmp [labels_type],0 |
157 | heavyiron | 2911 | je invalid_use_of_symbol |
2912 | push ebx |
||
2913 | mov ebx,[current_section] |
||
2914 | mov ebx,[ebx+8] |
||
2915 | sub ebx,edi |
||
2916 | sub eax,ebx |
||
2917 | push eax |
||
2918 | mov al,2 ; R_386_PC32 / R_AMD64_PC32 |
||
174 | heavyiron | 2919 | cmp [value_type],3 |
2920 | je coff_relocation |
||
2921 | mov al,4 ; R_386_PLT32 / R_AMD64_PLT32 |
||
2922 | jmp coff_relocation |
||
157 | heavyiron | 2923 | close_elf: |
31 | halyavin | 2924 | bt [format_flags],0 |
157 | heavyiron | 2925 | jc close_elf_exe |
2926 | call close_coff_section |
||
2927 | cmp [next_pass_needed],0 |
||
2928 | je elf_closed |
||
2929 | mov eax,[symbols_stream] |
||
2930 | mov [free_additional_memory],eax |
||
2931 | elf_closed: |
||
31 | halyavin | 2932 | ret |
157 | heavyiron | 2933 | elf_formatter: |
31 | halyavin | 2934 | push edi |
157 | heavyiron | 2935 | call prepare_default_section |
2936 | mov esi,[symbols_stream] |
||
2937 | mov edi,[free_additional_memory] |
||
2938 | xor eax,eax |
||
2939 | mov ecx,4 |
||
2940 | rep stos dword [edi] |
||
2941 | test [format_flags],8 |
||
2942 | jz find_first_section |
||
2943 | mov ecx,2 |
||
2944 | rep stos dword [edi] |
||
2945 | find_first_section: |
||
31 | halyavin | 2946 | mov al,[esi] |
157 | heavyiron | 2947 | or al,al |
2948 | jz first_section_found |
||
2949 | cmp al,80h |
||
2950 | jne skip_other_symbol |
||
2951 | add esi,4 |
||
2952 | skip_other_symbol: |
||
31 | halyavin | 2953 | add esi,0Ch |
157 | heavyiron | 2954 | jmp find_first_section |
2955 | first_section_found: |
||
31 | halyavin | 2956 | mov ebx,esi |
157 | heavyiron | 2957 | mov ebp,esi |
2958 | add esi,20h |
||
2959 | xor ecx,ecx |
||
2960 | xor edx,edx |
||
2961 | find_next_section: |
||
31 | halyavin | 2962 | cmp esi,[free_additional_memory] |
157 | heavyiron | 2963 | je make_section_symbol |
2964 | mov al,[esi] |
||
2965 | or al,al |
||
2966 | jz make_section_symbol |
||
2967 | cmp al,80h |
||
2968 | je skip_public |
||
2969 | ja skip_extrn |
||
2970 | or byte [ebx+14h],40h |
||
2971 | skip_extrn: |
||
31 | halyavin | 2972 | add esi,0Ch |
157 | heavyiron | 2973 | jmp find_next_section |
2974 | skip_public: |
||
31 | halyavin | 2975 | add esi,10h |
157 | heavyiron | 2976 | jmp find_next_section |
2977 | make_section_symbol: |
||
31 | halyavin | 2978 | mov eax,edi |
157 | heavyiron | 2979 | xchg eax,[ebx+4] |
2980 | stos dword [edi] |
||
2981 | test [format_flags],8 |
||
2982 | jnz elf64_section_symbol |
||
2983 | xor eax,eax |
||
2984 | stos dword [edi] |
||
2985 | stos dword [edi] |
||
2986 | call store_section_index |
||
2987 | jmp section_symbol_ok |
||
2988 | store_section_index: |
||
31 | halyavin | 2989 | inc ecx |
157 | heavyiron | 2990 | mov eax,ecx |
2991 | shl eax,8 |
||
2992 | mov [ebx],eax |
||
2993 | inc dx |
||
2994 | jz format_limitations_exceeded |
||
2995 | mov eax,edx |
||
2996 | shl eax,16 |
||
2997 | mov al,3 |
||
2998 | test byte [ebx+14h],40h |
||
2999 | jz section_index_ok |
||
3000 | or ah,-1 |
||
3001 | inc dx |
||
3002 | jz format_limitations_exceeded |
||
3003 | section_index_ok: |
||
31 | halyavin | 3004 | stos dword [edi] |
157 | heavyiron | 3005 | ret |
3006 | elf64_section_symbol: |
||
31 | halyavin | 3007 | call store_section_index |
157 | heavyiron | 3008 | xor eax,eax |
3009 | stos dword [edi] |
||
3010 | stos dword [edi] |
||
3011 | stos dword [edi] |
||
3012 | stos dword [edi] |
||
3013 | section_symbol_ok: |
||
31 | halyavin | 3014 | mov ebx,esi |
157 | heavyiron | 3015 | add esi,20h |
3016 | cmp ebx,[free_additional_memory] |
||
3017 | jne find_next_section |
||
3018 | inc dx |
||
3019 | jz format_limitations_exceeded |
||
3020 | mov [current_section],edx |
||
3021 | mov esi,[symbols_stream] |
||
3022 | find_other_symbols: |
||
31 | halyavin | 3023 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3024 | je elf_symbol_table_ok |
3025 | mov al,[esi] |
||
3026 | or al,al |
||
3027 | jz skip_section |
||
3028 | cmp al,80h |
||
3029 | je make_public_symbol |
||
3030 | ja make_extrn_symbol |
||
3031 | add esi,0Ch |
||
3032 | jmp find_other_symbols |
||
3033 | skip_section: |
||
31 | halyavin | 3034 | add esi,20h |
157 | heavyiron | 3035 | jmp find_other_symbols |
3036 | make_public_symbol: |
||
31 | halyavin | 3037 | mov eax,[esi+0Ch] |
157 | heavyiron | 3038 | mov [current_line],eax |
3039 | mov ebx,[esi+8] |
||
3040 | test byte [ebx+8],1 |
||
3041 | jz undefined_symbol |
||
3042 | mov ax,[current_pass] |
||
3043 | cmp ax,[ebx+16] |
||
3044 | jne undefined_symbol |
||
3045 | mov dl,[ebx+11] |
||
3046 | or dl,dl |
||
3047 | jz public_absolute |
||
3048 | mov eax,[ebx+20] |
||
3049 | cmp byte [eax],0 |
||
3050 | jne invalid_use_of_symbol |
||
3051 | mov eax,[eax+4] |
||
3052 | test [format_flags],8 |
||
3053 | jnz elf64_public |
||
3054 | cmp dl,2 |
||
3055 | jne invalid_use_of_symbol |
||
3056 | mov dx,[eax+0Eh] |
||
3057 | jmp section_for_public_ok |
||
3058 | elf64_public: |
||
31 | halyavin | 3059 | cmp dl,4 |
157 | heavyiron | 3060 | jne invalid_use_of_symbol |
3061 | mov dx,[eax+6] |
||
3062 | jmp section_for_public_ok |
||
3063 | public_absolute: |
||
31 | halyavin | 3064 | mov dx,0FFF1h |
157 | heavyiron | 3065 | section_for_public_ok: |
31 | halyavin | 3066 | mov eax,[esi+4] |
157 | heavyiron | 3067 | stos dword [edi] |
3068 | test [format_flags],8 |
||
3069 | jnz elf64_public_symbol |
||
3070 | call get_public_value |
||
3071 | stos dword [edi] |
||
3072 | xor eax,eax |
||
3073 | mov al,[ebx+10] |
||
3074 | stos dword [edi] |
||
3075 | mov eax,edx |
||
3076 | shl eax,16 |
||
3077 | mov al,10h |
||
3078 | cmp byte [ebx+10],0 |
||
3079 | je elf_public_function |
||
3080 | or al,1 |
||
3081 | jmp store_elf_public_info |
||
3082 | elf_public_function: |
||
109 | heavyiron | 3083 | or al,2 |
157 | heavyiron | 3084 | store_elf_public_info: |
109 | heavyiron | 3085 | stos dword [edi] |
157 | heavyiron | 3086 | jmp public_symbol_ok |
3087 | elf64_public_symbol: |
||
31 | halyavin | 3088 | mov eax,edx |
157 | heavyiron | 3089 | shl eax,16 |
3090 | mov al,10h |
||
3091 | cmp byte [ebx+10],0 |
||
3092 | je elf64_public_function |
||
3093 | or al,1 |
||
3094 | jmp store_elf64_public_info |
||
3095 | elf64_public_function: |
||
109 | heavyiron | 3096 | or al,2 |
157 | heavyiron | 3097 | store_elf64_public_info: |
109 | heavyiron | 3098 | stos dword [edi] |
157 | heavyiron | 3099 | call get_public_value |
3100 | stos dword [edi] |
||
3101 | xor eax,eax |
||
3102 | stos dword [edi] |
||
3103 | mov al,[ebx+10] |
||
3104 | stos dword [edi] |
||
3105 | xor al,al |
||
3106 | stos dword [edi] |
||
3107 | public_symbol_ok: |
||
31 | halyavin | 3108 | inc ecx |
157 | heavyiron | 3109 | mov eax,ecx |
3110 | shl eax,8 |
||
3111 | mov al,80h |
||
3112 | mov [esi],eax |
||
3113 | add esi,10h |
||
3114 | jmp find_other_symbols |
||
3115 | get_public_value: |
||
31 | halyavin | 3116 | mov eax,[ebx] |
157 | heavyiron | 3117 | cmp dword [ebx+4],0 |
3118 | je public_value_ok |
||
3119 | cmp dword [ebx+4],-1 |
||
3120 | jne value_out_of_range |
||
3121 | bt eax,31 |
||
3122 | jnc value_out_of_range |
||
3123 | public_value_ok: |
||
31 | halyavin | 3124 | ret |
157 | heavyiron | 3125 | make_extrn_symbol: |
31 | halyavin | 3126 | mov eax,[esi+4] |
157 | heavyiron | 3127 | stos dword [edi] |
3128 | test [format_flags],8 |
||
3129 | jnz elf64_extrn_symbol |
||
3130 | xor eax,eax |
||
3131 | stos dword [edi] |
||
3132 | mov eax,[esi+8] |
||
3133 | stos dword [edi] |
||
3134 | mov eax,10h |
||
3135 | stos dword [edi] |
||
3136 | jmp extrn_symbol_ok |
||
3137 | elf64_extrn_symbol: |
||
31 | halyavin | 3138 | mov eax,10h |
157 | heavyiron | 3139 | stos dword [edi] |
3140 | xor al,al |
||
3141 | stos dword [edi] |
||
3142 | stos dword [edi] |
||
3143 | mov eax,[esi+8] |
||
3144 | stos dword [edi] |
||
3145 | xor eax,eax |
||
3146 | stos dword [edi] |
||
3147 | extrn_symbol_ok: |
||
31 | halyavin | 3148 | inc ecx |
157 | heavyiron | 3149 | mov eax,ecx |
3150 | shl eax,8 |
||
3151 | mov al,81h |
||
3152 | mov [esi],eax |
||
3153 | add esi,0Ch |
||
3154 | jmp find_other_symbols |
||
3155 | elf_symbol_table_ok: |
||
31 | halyavin | 3156 | mov edx,edi |
157 | heavyiron | 3157 | mov ebx,[free_additional_memory] |
3158 | xor al,al |
||
3159 | stos byte [edi] |
||
3160 | add edi,16 |
||
3161 | mov [edx+1],edx |
||
3162 | add ebx,10h |
||
3163 | test [format_flags],8 |
||
3164 | jz make_string_table |
||
3165 | add ebx,8 |
||
3166 | make_string_table: |
||
31 | halyavin | 3167 | cmp ebx,edx |
157 | heavyiron | 3168 | je elf_string_table_ok |
3169 | test [format_flags],8 |
||
3170 | jnz make_elf64_string |
||
3171 | cmp byte [ebx+0Dh],0 |
||
3172 | je rel_prefix_ok |
||
3173 | mov byte [ebx+0Dh],0 |
||
3174 | mov eax,'.rel' |
||
3175 | stos dword [edi] |
||
3176 | rel_prefix_ok: |
||
31 | halyavin | 3177 | mov esi,edi |
157 | heavyiron | 3178 | sub esi,edx |
3179 | xchg esi,[ebx] |
||
3180 | add ebx,10h |
||
3181 | make_elf_string: |
||
31 | halyavin | 3182 | or esi,esi |
157 | heavyiron | 3183 | jz default_string |
3184 | lods dword [esi] |
||
3185 | mov ecx,eax |
||
3186 | rep movs byte [edi],[esi] |
||
3187 | xor al,al |
||
3188 | stos byte [edi] |
||
3189 | jmp make_string_table |
||
3190 | make_elf64_string: |
||
31 | halyavin | 3191 | cmp byte [ebx+5],0 |
157 | heavyiron | 3192 | je elf64_rel_prefix_ok |
3193 | mov byte [ebx+5],0 |
||
3194 | mov eax,'.rel' |
||
3195 | stos dword [edi] |
||
3196 | mov al,'a' |
||
3197 | stos byte [edi] |
||
3198 | elf64_rel_prefix_ok: |
||
31 | halyavin | 3199 | mov esi,edi |
157 | heavyiron | 3200 | sub esi,edx |
3201 | xchg esi,[ebx] |
||
3202 | add ebx,18h |
||
3203 | jmp make_elf_string |
||
3204 | default_string: |
||
31 | halyavin | 3205 | mov eax,'.fla' |
157 | heavyiron | 3206 | stos dword [edi] |
3207 | mov ax,'t' |
||
3208 | stos word [edi] |
||
3209 | jmp make_string_table |
||
3210 | elf_string_table_ok: |
||
31 | halyavin | 3211 | mov [edx+1+8],edi |
157 | heavyiron | 3212 | mov ebx,[code_start] |
3213 | mov eax,edi |
||
3214 | sub eax,[free_additional_memory] |
||
3215 | test [format_flags],8 |
||
3216 | jnz finish_elf64_header |
||
3217 | mov [ebx+20h],eax |
||
3218 | mov eax,[current_section] |
||
3219 | inc ax |
||
3220 | jz format_limitations_exceeded |
||
3221 | mov [ebx+32h],ax |
||
3222 | inc ax |
||
3223 | jz format_limitations_exceeded |
||
3224 | mov [ebx+30h],ax |
||
3225 | jmp elf_header_finished |
||
3226 | finish_elf64_header: |
||
31 | halyavin | 3227 | mov [ebx+28h],eax |
157 | heavyiron | 3228 | mov eax,[current_section] |
3229 | inc ax |
||
3230 | jz format_limitations_exceeded |
||
3231 | mov [ebx+3Eh],ax |
||
3232 | inc ax |
||
3233 | jz format_limitations_exceeded |
||
3234 | mov [ebx+3Ch],ax |
||
3235 | elf_header_finished: |
||
31 | halyavin | 3236 | xor eax,eax |
157 | heavyiron | 3237 | mov ecx,10 |
3238 | rep stos dword [edi] |
||
3239 | test [format_flags],8 |
||
3240 | jz elf_null_section_ok |
||
3241 | mov ecx,6 |
||
3242 | rep stos dword [edi] |
||
3243 | elf_null_section_ok: |
||
31 | halyavin | 3244 | mov esi,ebp |
157 | heavyiron | 3245 | xor ecx,ecx |
3246 | make_section_entry: |
||
31 | halyavin | 3247 | mov ebx,edi |
157 | heavyiron | 3248 | mov eax,[esi+4] |
3249 | mov eax,[eax] |
||
3250 | stos dword [edi] |
||
3251 | mov eax,1 |
||
3252 | cmp dword [esi+0Ch],0 |
||
3253 | je bss_section |
||
3254 | test byte [esi+14h],80h |
||
3255 | jz section_type_ok |
||
3256 | bss_section: |
||
31 | halyavin | 3257 | mov al,8 |
157 | heavyiron | 3258 | section_type_ok: |
31 | halyavin | 3259 | stos dword [edi] |
157 | heavyiron | 3260 | mov eax,[esi+14h] |
3261 | and al,3Fh |
||
3262 | call store_elf_machine_word |
||
3263 | xor eax,eax |
||
3264 | call store_elf_machine_word |
||
3265 | mov eax,[esi+8] |
||
3266 | mov [image_base],eax |
||
3267 | sub eax,[code_start] |
||
3268 | call store_elf_machine_word |
||
3269 | mov eax,[esi+0Ch] |
||
3270 | call store_elf_machine_word |
||
3271 | xor eax,eax |
||
3272 | stos dword [edi] |
||
3273 | stos dword [edi] |
||
3274 | mov eax,[esi+10h] |
||
3275 | call store_elf_machine_word |
||
3276 | xor eax,eax |
||
3277 | call store_elf_machine_word |
||
3278 | inc ecx |
||
3279 | add esi,20h |
||
3280 | xchg edi,[esp] |
||
3281 | mov ebp,edi |
||
3282 | convert_relocations: |
||
31 | halyavin | 3283 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3284 | je relocations_converted |
3285 | mov al,[esi] |
||
3286 | or al,al |
||
3287 | jz relocations_converted |
||
3288 | cmp al,80h |
||
3289 | jb make_relocation_entry |
||
3290 | ja relocation_entry_ok |
||
3291 | add esi,10h |
||
3292 | jmp convert_relocations |
||
3293 | make_relocation_entry: |
||
31 | halyavin | 3294 | test [format_flags],8 |
157 | heavyiron | 3295 | jnz make_elf64_relocation_entry |
3296 | mov eax,[esi+4] |
||
3297 | stos dword [edi] |
||
3298 | mov eax,[esi+8] |
||
3299 | mov eax,[eax] |
||
3300 | mov al,[esi] |
||
3301 | stos dword [edi] |
||
3302 | jmp relocation_entry_ok |
||
3303 | make_elf64_relocation_entry: |
||
31 | halyavin | 3304 | mov eax,[esi+4] |
157 | heavyiron | 3305 | stos dword [edi] |
3306 | xor eax,eax |
||
3307 | stos dword [edi] |
||
3308 | movzx eax,byte [esi] |
||
3309 | stos dword [edi] |
||
3310 | mov eax,[esi+8] |
||
3311 | mov eax,[eax] |
||
3312 | shr eax,8 |
||
3313 | stos dword [edi] |
||
3314 | xor eax,eax |
||
3315 | stos dword [edi] |
||
3316 | stos dword [edi] |
||
3317 | relocation_entry_ok: |
||
31 | halyavin | 3318 | add esi,0Ch |
157 | heavyiron | 3319 | jmp convert_relocations |
3320 | store_elf_machine_word: |
||
31 | halyavin | 3321 | stos dword [edi] |
157 | heavyiron | 3322 | test [format_flags],8 |
3323 | jz elf_machine_word_ok |
||
3324 | mov dword [edi],0 |
||
3325 | add edi,4 |
||
3326 | elf_machine_word_ok: |
||
31 | halyavin | 3327 | ret |
157 | heavyiron | 3328 | relocations_converted: |
31 | halyavin | 3329 | cmp edi,ebp |
157 | heavyiron | 3330 | xchg edi,[esp] |
3331 | je rel_section_ok |
||
3332 | mov eax,[ebx] |
||
3333 | sub eax,4 |
||
3334 | test [format_flags],8 |
||
3335 | jz store_relocations_name_offset |
||
3336 | dec eax |
||
3337 | store_relocations_name_offset: |
||
31 | halyavin | 3338 | stos dword [edi] |
157 | heavyiron | 3339 | test [format_flags],8 |
3340 | jnz rela_section |
||
3341 | mov eax,9 |
||
3342 | jmp store_relocations_type |
||
3343 | rela_section: |
||
31 | halyavin | 3344 | mov eax,4 |
157 | heavyiron | 3345 | store_relocations_type: |
31 | halyavin | 3346 | stos dword [edi] |
157 | heavyiron | 3347 | xor al,al |
3348 | call store_elf_machine_word |
||
3349 | call store_elf_machine_word |
||
3350 | mov eax,ebp |
||
3351 | sub eax,[code_start] |
||
3352 | call store_elf_machine_word |
||
3353 | mov eax,[esp] |
||
3354 | sub eax,ebp |
||
3355 | call store_elf_machine_word |
||
3356 | mov eax,[current_section] |
||
3357 | stos dword [edi] |
||
3358 | mov eax,ecx |
||
3359 | stos dword [edi] |
||
3360 | inc ecx |
||
3361 | test [format_flags],8 |
||
3362 | jnz finish_elf64_rela_section |
||
3363 | mov eax,4 |
||
3364 | stos dword [edi] |
||
3365 | mov al,8 |
||
3366 | stos dword [edi] |
||
3367 | jmp rel_section_ok |
||
3368 | finish_elf64_rela_section: |
||
31 | halyavin | 3369 | mov eax,8 |
157 | heavyiron | 3370 | stos dword [edi] |
3371 | xor al,al |
||
3372 | stos dword [edi] |
||
3373 | mov al,24 |
||
3374 | stos dword [edi] |
||
3375 | xor al,al |
||
3376 | stos dword [edi] |
||
3377 | rel_section_ok: |
||
31 | halyavin | 3378 | cmp esi,[free_additional_memory] |
157 | heavyiron | 3379 | jne make_section_entry |
3380 | pop eax |
||
3381 | mov ebx,[code_start] |
||
3382 | sub eax,ebx |
||
3383 | mov [code_size],eax |
||
3384 | mov ecx,20h |
||
3385 | test [format_flags],8 |
||
3386 | jz adjust_elf_section_headers_offset |
||
3387 | mov ecx,28h |
||
3388 | adjust_elf_section_headers_offset: |
||
31 | halyavin | 3389 | add [ebx+ecx],eax |
157 | heavyiron | 3390 | mov eax,1 |
3391 | stos dword [edi] |
||
3392 | mov al,2 |
||
3393 | stos dword [edi] |
||
3394 | xor al,al |
||
3395 | call store_elf_machine_word |
||
3396 | call store_elf_machine_word |
||
3397 | mov eax,[code_size] |
||
3398 | call store_elf_machine_word |
||
3399 | mov eax,[edx+1] |
||
3400 | sub eax,[free_additional_memory] |
||
3401 | call store_elf_machine_word |
||
3402 | mov eax,[current_section] |
||
3403 | inc eax |
||
3404 | stos dword [edi] |
||
3405 | mov eax,[number_of_sections] |
||
3406 | inc eax |
||
3407 | stos dword [edi] |
||
3408 | test [format_flags],8 |
||
3409 | jnz finish_elf64_sym_section |
||
3410 | mov eax,4 |
||
3411 | stos dword [edi] |
||
3412 | mov al,10h |
||
3413 | stos dword [edi] |
||
3414 | jmp sym_section_ok |
||
3415 | finish_elf64_sym_section: |
||
31 | halyavin | 3416 | mov eax,8 |
157 | heavyiron | 3417 | stos dword [edi] |
3418 | xor al,al |
||
3419 | stos dword [edi] |
||
3420 | mov al,18h |
||
3421 | stos dword [edi] |
||
3422 | xor al,al |
||
3423 | stos dword [edi] |
||
3424 | sym_section_ok: |
||
31 | halyavin | 3425 | mov al,1+8 |
157 | heavyiron | 3426 | stos dword [edi] |
3427 | mov al,3 |
||
3428 | stos dword [edi] |
||
3429 | xor al,al |
||
3430 | call store_elf_machine_word |
||
3431 | call store_elf_machine_word |
||
3432 | mov eax,[edx+1] |
||
3433 | sub eax,[free_additional_memory] |
||
3434 | add eax,[code_size] |
||
3435 | call store_elf_machine_word |
||
3436 | mov eax,[edx+1+8] |
||
3437 | sub eax,[edx+1] |
||
3438 | call store_elf_machine_word |
||
3439 | xor eax,eax |
||
3440 | stos dword [edi] |
||
3441 | stos dword [edi] |
||
3442 | mov al,1 |
||
3443 | call store_elf_machine_word |
||
3444 | xor eax,eax |
||
3445 | call store_elf_machine_word |
||
3446 | mov eax,'tab' |
||
3447 | mov dword [edx+1],'.sym' |
||
3448 | mov [edx+1+4],eax |
||
3449 | mov dword [edx+1+8],'.str' |
||
3450 | mov [edx+1+8+4],eax |
||
3451 | mov [written_size],0 |
||
3452 | mov edx,[output_file] |
||
3453 | call create |
||
3454 | jc write_failed |
||
3455 | call write_code |
||
3456 | mov ecx,edi |
||
3457 | mov edx,[free_additional_memory] |
||
3458 | sub ecx,edx |
||
3459 | add [written_size],ecx |
||
3460 | call write |
||
3461 | jc write_failed |
||
3462 | jmp output_written |
||
3463 | |||
31 | halyavin | 3464 | |
3465 | add esi,2 |
||
157 | heavyiron | 3466 | or [format_flags],1 |
3467 | mov [image_base],8048000h |
||
3468 | cmp byte [esi],80h |
||
3469 | jne elf_exe_base_ok |
||
3470 | lods word [esi] |
||
3471 | cmp ah,'(' |
||
3472 | jne invalid_argument |
||
3473 | cmp byte [esi],'.' |
||
3474 | je invalid_value |
||
3475 | push edx |
||
3476 | call get_dword_value |
||
3477 | cmp [value_type],0 |
||
3478 | jne invalid_use_of_symbol |
||
3479 | mov [image_base],eax |
||
3480 | pop edx |
||
3481 | elf_exe_base_ok: |
||
31 | halyavin | 3482 | mov byte [edx+10h],2 |
157 | heavyiron | 3483 | mov byte [edx+2Ah],20h |
3484 | mov ebx,edi |
||
3485 | mov ecx,20h shr 2 |
||
3486 | cmp [current_pass],0 |
||
3487 | je init_elf_segments |
||
3488 | imul ecx,[number_of_sections] |
||
3489 | init_elf_segments: |
||
109 | heavyiron | 3490 | xor eax,eax |
157 | heavyiron | 3491 | rep stos dword [edi] |
3492 | mov [number_of_sections],0 |
||
3493 | mov byte [ebx],1 |
||
3494 | mov word [ebx+1Ch],1000h |
||
3495 | mov byte [ebx+18h],111b |
||
3496 | mov eax,edi |
||
3497 | sub eax,[code_start] |
||
3498 | mov [ebx+4],eax |
||
3499 | add eax,[image_base] |
||
3500 | mov [ebx+8],eax |
||
3501 | mov [ebx+0Ch],eax |
||
3502 | mov [edx+18h],eax |
||
3503 | xor edx,edx |
||
3504 | not eax |
||
3505 | not edx |
||
3506 | add eax,1 |
||
3507 | adc edx,0 |
||
3508 | add eax,edi |
||
3509 | adc edx,0 |
||
3510 | mov dword [org_origin],eax |
||
3511 | mov dword [org_origin+4],edx |
||
3512 | mov [org_registers],0 |
||
3513 | mov [org_start],edi |
||
3514 | mov [symbols_stream],edi |
||
3515 | jmp instruction_assembled |
||
3516 | format_elf64_exe: |
||
31 | halyavin | 3517 | add esi,2 |
157 | heavyiron | 3518 | or [format_flags],1 |
3519 | mov [image_base],400000h |
||
3520 | mov [image_base_high],0 |
||
3521 | cmp byte [esi],80h |
||
3522 | jne elf64_exe_base_ok |
||
3523 | lods word [esi] |
||
3524 | cmp ah,'(' |
||
3525 | jne invalid_argument |
||
3526 | cmp byte [esi],'.' |
||
3527 | je invalid_value |
||
3528 | push edx |
||
3529 | call get_qword_value |
||
3530 | cmp [value_type],0 |
||
3531 | jne invalid_use_of_symbol |
||
3532 | mov [image_base],eax |
||
3533 | mov [image_base_high],edx |
||
3534 | pop edx |
||
3535 | elf64_exe_base_ok: |
||
31 | halyavin | 3536 | mov byte [edx+10h],2 |
157 | heavyiron | 3537 | mov byte [edx+36h],38h |
3538 | mov ebx,edi |
||
3539 | mov ecx,38h shr 2 |
||
3540 | cmp [current_pass],0 |
||
3541 | je init_elf64_segments |
||
3542 | imul ecx,[number_of_sections] |
||
3543 | init_elf64_segments: |
||
109 | heavyiron | 3544 | xor eax,eax |
157 | heavyiron | 3545 | rep stos dword [edi] |
3546 | mov [number_of_sections],0 |
||
3547 | mov byte [ebx],1 |
||
3548 | mov word [ebx+30h],1000h |
||
3549 | mov byte [ebx+4],111b |
||
3550 | push edx |
||
3551 | mov eax,edi |
||
3552 | sub eax,[code_start] |
||
3553 | mov [ebx+8],eax |
||
3554 | xor edx,edx |
||
3555 | add eax,[image_base] |
||
3556 | adc edx,[image_base_high] |
||
3557 | mov [ebx+10h],eax |
||
3558 | mov [ebx+10h+4],edx |
||
3559 | mov [ebx+18h],eax |
||
3560 | mov [ebx+18h+4],edx |
||
3561 | pop ebx |
||
3562 | mov [ebx+18h],eax |
||
3563 | mov [ebx+18h+4],edx |
||
3564 | not eax |
||
3565 | not edx |
||
3566 | add eax,1 |
||
3567 | adc edx,0 |
||
3568 | add eax,edi |
||
3569 | adc edx,0 |
||
3570 | mov dword [org_origin],eax |
||
3571 | mov dword [org_origin+4],edx |
||
3572 | mov [org_registers],0 |
||
3573 | mov [org_start],edi |
||
3574 | mov [symbols_stream],edi |
||
3575 | jmp instruction_assembled |
||
3576 | elf_entry: |
||
31 | halyavin | 3577 | lods byte [esi] |
157 | heavyiron | 3578 | cmp al,'(' |
3579 | jne invalid_argument |
||
3580 | cmp byte [esi],'.' |
||
3581 | je invalid_value |
||
3582 | test [format_flags],8 |
||
3583 | jnz elf64_entry |
||
3584 | call get_dword_value |
||
3585 | cmp [value_type],0 |
||
3586 | jne invalid_use_of_symbol |
||
3587 | mov edx,[code_start] |
||
3588 | mov [edx+18h],eax |
||
3589 | jmp instruction_assembled |
||
3590 | elf64_entry: |
||
31 | halyavin | 3591 | call get_qword_value |
157 | heavyiron | 3592 | cmp [value_type],0 |
3593 | jne invalid_use_of_symbol |
||
3594 | mov ebx,[code_start] |
||
3595 | mov [ebx+18h],eax |
||
3596 | mov [ebx+1Ch],edx |
||
3597 | jmp instruction_assembled |
||
3598 | elf_segment: |
||
109 | heavyiron | 3599 | bt [format_flags],0 |
157 | heavyiron | 3600 | jnc illegal_instruction |
3601 | test [format_flags],8 |
||
3602 | jnz elf64_segment |
||
3603 | call close_elf_segment |
||
3604 | push eax |
||
3605 | mov ebx,[number_of_sections] |
||
3606 | shl ebx,5 |
||
3607 | add ebx,[code_start] |
||
3608 | add ebx,34h |
||
3609 | cmp ebx,[symbols_stream] |
||
3610 | jb new_elf_segment |
||
3611 | mov ebx,[symbols_stream] |
||
3612 | sub ebx,20h |
||
3613 | push edi |
||
3614 | mov edi,ebx |
||
3615 | mov ecx,20h shr 2 |
||
3616 | xor eax,eax |
||
3617 | rep stos dword [edi] |
||
3618 | pop edi |
||
3619 | or [next_pass_needed],-1 |
||
3620 | new_elf_segment: |
||
109 | heavyiron | 3621 | mov byte [ebx],1 |
157 | heavyiron | 3622 | mov word [ebx+1Ch],1000h |
3623 | elf_segment_flags: |
||
109 | heavyiron | 3624 | cmp byte [esi],19h |
157 | heavyiron | 3625 | jne elf_segment_flags_ok |
3626 | lods word [esi] |
||
3627 | sub ah,28 |
||
3628 | jbe invalid_argument |
||
3629 | cmp ah,1 |
||
3630 | je mark_elf_segment_flag |
||
3631 | cmp ah,3 |
||
3632 | ja invalid_argument |
||
3633 | xor ah,1 |
||
3634 | cmp ah,2 |
||
3635 | je mark_elf_segment_flag |
||
3636 | inc ah |
||
3637 | mark_elf_segment_flag: |
||
109 | heavyiron | 3638 | test [ebx+18h],ah |
157 | heavyiron | 3639 | jnz setting_already_specified |
3640 | or [ebx+18h],ah |
||
3641 | jmp elf_segment_flags |
||
3642 | elf_segment_flags_ok: |
||
109 | heavyiron | 3643 | mov eax,edi |
157 | heavyiron | 3644 | sub eax,[code_start] |
3645 | mov [ebx+4],eax |
||
3646 | pop edx |
||
3647 | and eax,0FFFh |
||
3648 | add edx,eax |
||
3649 | mov [ebx+8],edx |
||
3650 | mov [ebx+0Ch],edx |
||
3651 | mov eax,edx |
||
3652 | xor edx,edx |
||
3653 | not eax |
||
3654 | not edx |
||
3655 | add eax,1 |
||
3656 | adc edx,0 |
||
3657 | add eax,edi |
||
3658 | adc edx,0 |
||
3659 | mov dword [org_origin],eax |
||
3660 | mov dword [org_origin+4],edx |
||
3661 | mov [org_registers],0 |
||
3662 | mov [org_start],edi |
||
3663 | inc [number_of_sections] |
||
3664 | jmp instruction_assembled |
||
3665 | close_elf_segment: |
||
109 | heavyiron | 3666 | cmp [number_of_sections],0 |
157 | heavyiron | 3667 | jne finish_elf_segment |
3668 | cmp edi,[symbols_stream] |
||
3669 | jne first_elf_segment_ok |
||
3670 | push edi |
||
3671 | mov edi,[code_start] |
||
3672 | add edi,34h |
||
3673 | mov ecx,20h shr 2 |
||
3674 | xor eax,eax |
||
3675 | rep stos dword [edi] |
||
3676 | pop edi |
||
3677 | mov eax,[image_base] |
||
3678 | ret |
||
3679 | first_elf_segment_ok: |
||
109 | heavyiron | 3680 | inc [number_of_sections] |
157 | heavyiron | 3681 | finish_elf_segment: |
109 | heavyiron | 3682 | mov ebx,[number_of_sections] |
157 | heavyiron | 3683 | dec ebx |
3684 | shl ebx,5 |
||
3685 | add ebx,[code_start] |
||
3686 | add ebx,34h |
||
3687 | mov eax,edi |
||
3688 | sub eax,[code_start] |
||
3689 | sub eax,[ebx+4] |
||
3690 | mov edx,edi |
||
3691 | cmp edi,[undefined_data_end] |
||
3692 | jne elf_segment_size_ok |
||
3693 | mov edi,[undefined_data_start] |
||
3694 | elf_segment_size_ok: |
||
109 | heavyiron | 3695 | mov [ebx+14h],eax |
157 | heavyiron | 3696 | add eax,edi |
3697 | sub eax,edx |
||
3698 | mov [ebx+10h],eax |
||
3699 | mov eax,[ebx+8] |
||
3700 | add eax,[ebx+14h] |
||
3701 | add eax,0FFFh |
||
3702 | and eax,not 0FFFh |
||
3703 | ret |
||
3704 | elf64_segment: |
||
109 | heavyiron | 3705 | call close_elf64_segment |
157 | heavyiron | 3706 | push eax edx |
3707 | mov ebx,[number_of_sections] |
||
3708 | imul ebx,38h |
||
3709 | add ebx,[code_start] |
||
3710 | add ebx,40h |
||
3711 | cmp ebx,[symbols_stream] |
||
3712 | jb new_elf64_segment |
||
3713 | mov ebx,[symbols_stream] |
||
3714 | sub ebx,38h |
||
3715 | push edi |
||
3716 | mov edi,ebx |
||
3717 | mov ecx,38h shr 2 |
||
3718 | xor eax,eax |
||
3719 | rep stos dword [edi] |
||
3720 | pop edi |
||
3721 | or [next_pass_needed],-1 |
||
3722 | new_elf64_segment: |
||
109 | heavyiron | 3723 | mov byte [ebx],1 |
157 | heavyiron | 3724 | mov word [ebx+30h],1000h |
3725 | elf64_segment_flags: |
||
109 | heavyiron | 3726 | cmp byte [esi],19h |
157 | heavyiron | 3727 | jne elf64_segment_flags_ok |
3728 | lods word [esi] |
||
3729 | sub ah,28 |
||
3730 | jbe invalid_argument |
||
3731 | cmp ah,1 |
||
3732 | je mark_elf64_segment_flag |
||
3733 | cmp ah,3 |
||
3734 | ja invalid_argument |
||
3735 | xor ah,1 |
||
3736 | cmp ah,2 |
||
3737 | je mark_elf64_segment_flag |
||
3738 | inc ah |
||
3739 | mark_elf64_segment_flag: |
||
109 | heavyiron | 3740 | test [ebx+4],ah |
157 | heavyiron | 3741 | jnz setting_already_specified |
3742 | or [ebx+4],ah |
||
3743 | jmp elf64_segment_flags |
||
3744 | elf64_segment_flags_ok: |
||
109 | heavyiron | 3745 | mov ecx,edi |
157 | heavyiron | 3746 | sub ecx,[code_start] |
3747 | mov [ebx+8],ecx |
||
3748 | pop edx eax |
||
3749 | and ecx,0FFFh |
||
3750 | add eax,ecx |
||
3751 | adc edx,0 |
||
3752 | mov [ebx+10h],eax |
||
3753 | mov [ebx+10h+4],edx |
||
3754 | mov [ebx+18h],eax |
||
3755 | mov [ebx+18h+4],edx |
||
3756 | not eax |
||
3757 | not edx |
||
3758 | add eax,1 |
||
3759 | adc edx,0 |
||
3760 | add eax,edi |
||
3761 | adc edx,0 |
||
3762 | mov dword [org_origin],eax |
||
3763 | mov dword [org_origin+4],edx |
||
3764 | mov [org_registers],0 |
||
3765 | mov [org_start],edi |
||
3766 | inc [number_of_sections] |
||
3767 | jmp instruction_assembled |
||
3768 | close_elf64_segment: |
||
109 | heavyiron | 3769 | cmp [number_of_sections],0 |
157 | heavyiron | 3770 | jne finish_elf64_segment |
3771 | cmp edi,[symbols_stream] |
||
3772 | jne first_elf64_segment_ok |
||
3773 | push edi |
||
3774 | mov edi,[code_start] |
||
3775 | add edi,40h |
||
3776 | mov ecx,38h shr 2 |
||
3777 | xor eax,eax |
||
3778 | rep stos dword [edi] |
||
3779 | pop edi |
||
3780 | mov eax,[image_base] |
||
3781 | mov edx,[image_base_high] |
||
3782 | ret |
||
3783 | first_elf64_segment_ok: |
||
109 | heavyiron | 3784 | inc [number_of_sections] |
157 | heavyiron | 3785 | finish_elf64_segment: |
109 | heavyiron | 3786 | mov ebx,[number_of_sections] |
157 | heavyiron | 3787 | dec ebx |
3788 | imul ebx,38h |
||
3789 | add ebx,[code_start] |
||
3790 | add ebx,40h |
||
3791 | mov eax,edi |
||
3792 | sub eax,[code_start] |
||
3793 | sub eax,[ebx+8] |
||
3794 | mov edx,edi |
||
3795 | cmp edi,[undefined_data_end] |
||
3796 | jne elf64_segment_size_ok |
||
3797 | mov edi,[undefined_data_start] |
||
3798 | elf64_segment_size_ok: |
||
109 | heavyiron | 3799 | mov [ebx+28h],eax |
157 | heavyiron | 3800 | add eax,edi |
3801 | sub eax,edx |
||
3802 | mov [ebx+20h],eax |
||
3803 | mov eax,[ebx+10h] |
||
3804 | mov edx,[ebx+10h+4] |
||
3805 | add eax,[ebx+28h] |
||
3806 | adc edx,0 |
||
3807 | sub eax,1 |
||
3808 | sbb edx,0 |
||
3809 | shrd eax,edx,12 |
||
3810 | shr edx,12 |
||
3811 | add eax,1 |
||
3812 | adc edx,0 |
||
3813 | shld edx,eax,12 |
||
3814 | shl eax,12 |
||
3815 | ret |
||
3816 | close_elf_exe: |
||
31 | halyavin | 3817 | test [format_flags],8 |
157 | heavyiron | 3818 | jnz close_elf64_exe |
3819 | call close_elf_segment |
||
3820 | mov edx,[code_start] |
||
3821 | mov eax,[number_of_sections] |
||
3822 | mov byte [edx+1Ch],34h |
||
3823 | mov [edx+2Ch],ax |
||
3824 | shl eax,5 |
||
3825 | add eax,edx |
||
3826 | add eax,34h |
||
3827 | cmp eax,[symbols_stream] |
||
3828 | je elf_exe_ok |
||
3829 | or [next_pass_needed],-1 |
||
3830 | elf_exe_ok: |
||
31 | halyavin | 3831 | ret |
157 | heavyiron | 3832 | close_elf64_exe: |
31 | halyavin | 3833 | call close_elf64_segment |
157 | heavyiron | 3834 | mov edx,[code_start] |
3835 | mov eax,[number_of_sections] |
||
3836 | mov byte [edx+20h],40h |
||
3837 | mov [edx+38h],ax |
||
3838 | imul eax,38h |
||
3839 | add eax,edx |
||
3840 | add eax,40h |
||
3841 | cmp eax,[symbols_stream] |
||
3842 | je elf64_exe_ok |
||
3843 | or [next_pass_needed],-1 |
||
3844 | elf64_exe_ok: |
||
31 | halyavin | 3845 | ret |
157 | heavyiron | 3846 |