draw.c - suckless/dwm - Unnamed repository; edit this file 'description' to name the repository.

blob: 178770b27bf022f18c4295c459225342f0e7b6b0 (plain) (tree)

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7e597ae generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-11-04 19:10:04 +0000

="p">182 # . prologue 183 55/push-ebp 184 89/<- %ebp 4/r32/esp 185 # . save registers 186 51/push-ecx 187 56/push-esi 188 # result = false 189 b8/copy-to-eax 0/imm32 190 # esi = s 191 8b/-> *(ebp+8) 6/r32/esi 192 # var max/ecx: int = s->write 193 8b/-> *esi 1/r32/ecx 194 # if s->read >= max return 0 195 39/compare-with *(esi+4) 1/r32/ecx 196 7d/jump-if->= $stream-final:end/disp8 197 # var idx/ecx: int = max - 1 198 49/decrement-ecx 199 # result = s->data[idx] 200 8a/byte-> *(esi+ecx+0xc) 0/r32/AL 201 $stream-final:end: 202 # . restore registers 203 5e/pop-to-esi 204 59/pop-to-ecx 205 # . epilogue 206 89/<- %esp 5/r32/ebp 207 5d/pop-to-ebp 208 c3/return 209 210 # compare all the data in two streams (ignoring the read pointer) 211 streams-data-equal?: # f: (addr stream byte), s: (addr array byte) -> result/eax: boolean 212 # pseudocode: 213 # awrite = a->write 214 # if (awrite != b->write) return false 215 # i = 0 216 # curra = a->data 217 # currb = b->data 218 # while i < awrite 219 # i1 = *curra 220 # i2 = *currb 221 # if (c1 != c2) return false 222 # i+=4, curra+=4, currb+=4 223 # return true 224 # 225 # registers: 226 # i: ecx 227 # awrite: edx 228 # curra: esi 229 # currb: edi 230 # i1: eax 231 # i2: ebx 232 # 233 # . prologue 234 55/push-ebp 235 89/<- %ebp 4/r32/esp 236 # . save registers 237 51/push-ecx 238 52/push-edx 239 53/push-ebx 240 56/push-esi 241 57/push-edi 242 # esi = a 243 8b/-> *(ebp+8) 6/r32/esi 244 # edi = b 245 8b/-> *(ebp+0xc) 7/r32/edi 246 # var awrite/edx: int = a->write 247 8b/-> *esi 2/r32/edx 248 $streams-data-equal?:sizes: 249 # if (awrite != b->write) return false 250 39/compare *edi 2/r32/edx 251 75/jump-if-!= $streams-data-equal?:false/disp8 252 # var curra/esi: (addr byte) = a->data 253 81 0/subop/add %esi 0xc/imm32 254 # var currb/edi: (addr byte) = b->data 255 81 0/subop/add %edi 0xc/imm32 256 # var i/ecx: int = 0 257 31/xor-with %ecx 1/r32/ecx 258 # var vala/eax: int 259 31/xor-with %eax 0/r32/eax 260 # var valb/ebx: int 261 31/xor-with %ebx 3/r32/ebx 262 $streams-data-equal?:loop: 263 { 264 # if (i >= awrite) return true 265 39/compare %ecx 2/r32/edx 266 7d/jump-if->= $streams-data-equal?:true/disp8 267 # var vala/eax: int = *curra 268 8a/byte-> *esi 0/r32/eax 269 # var valb/ebx: int = *currb 270 8a/byte-> *edi 3/r32/ebx 271 # if (vala != valb) return false 272 39/compare %eax 3/r32/ebx 273 75/jump-if-!= $streams-data-equal?:false/disp8 274 # i++ 275 41/increment-ecx 276 # curra++ 277 46/increment-esi 278 # currb++ 279 47/increment-edi 280 eb/jump loop/disp8 281 } 282 $streams-data-equal?:true: 283 b8/copy-to-eax 1/imm32 284 eb/jump $streams-data-equal?:end/disp8 285 $streams-data-equal?:false: 286 b8/copy-to-eax 0/imm32 287 $streams-data-equal?:end: 288 # . restore registers 289 5f/pop-to-edi 290 5e/pop-to-esi 291 5b/pop-to-ebx 292 5a/pop-to-edx 293 59/pop-to-ecx 294 # . epilogue 295 89/<- %esp 5/r32/ebp 296 5d/pop-to-ebp 297 c3/return </pre> </body> </html>