elf.lst
来自「au1200下的boot代码」· LST 代码 · 共 1,403 行 · 第 1/5 页
LST
1,403 行
235:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if(!elfRead2(address, scnhdr[i].sh_size, scnhdr[i].sh_offset))
236:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** return 0;
237:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
238:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_SYMTAB:
239:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
240:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_STRTAB:
241:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
242:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_RELA:
243:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
244:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_NOBITS:
245:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** address = (char *)scnhdr[i].sh_addr;
246:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if(address && scnhdr[i].sh_size)
247:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** memFill(address, scnhdr[i].sh_size, 0x00); //zero memory
248:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
249:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** default:
250:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /* unknown section type */
251:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
252:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
253:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
254:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
255:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
256:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** void displaySectionHeader(Elf32_Shdr* header)
257:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
244 .loc 1 257 0 245 .frame $sp,24,$31 # vars= 0, regs= 2/0, args= 16, gp= 0 246 .mask 0x80010000,-4 247 .fmask 0x00000000,0 248 .set noreorder 249 .set nomacro 250 251 0138 E8FFBD27 addiu $sp,$sp,-24 252 $LCFI5: 253 013c 1400BFAF sw $31,20($sp) 254 $LCFI6: 255 0140 1000B0AF sw $16,16($sp) 256 $LCFI7: 258:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_name: %08X\n",header->sh_name);
257 .loc 1 258 0 GAS LISTING /tmp/ccSF7Vky.s page 11 258 0144 0000858C lw $5,0($4) 259 .loc 1 257 0 260 0148 21808000 move $16,$4 261 .loc 1 258 0 262 014c 0000043C lui $4,%hi($LC3) 263 0150 0000000C jal printf 264 0154 00008424 addiu $4,$4,%lo($LC3) 265 259:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_type: %08X\n",header->sh_type);
266 .loc 1 259 0 267 0158 0400058E lw $5,4($16) 268 015c 0000043C lui $4,%hi($LC4) 269 0160 0000000C jal printf 270 0164 00008424 addiu $4,$4,%lo($LC4) 271 260:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_flags: %08X\n",header->sh_flags);
272 .loc 1 260 0 273 0168 0800058E lw $5,8($16) 274 016c 0000043C lui $4,%hi($LC5) 275 0170 0000000C jal printf 276 0174 00008424 addiu $4,$4,%lo($LC5) 277 261:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_addr: %08X\n",header->sh_addr);
278 .loc 1 261 0 279 0178 0C00058E lw $5,12($16) 280 017c 0000043C lui $4,%hi($LC6) 281 0180 0000000C jal printf 282 0184 00008424 addiu $4,$4,%lo($LC6) 283 262:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_offset: %08X\n",header->sh_offset);
284 .loc 1 262 0 285 0188 1000058E lw $5,16($16) 286 018c 0000043C lui $4,%hi($LC7) 287 0190 0000000C jal printf 288 0194 00008424 addiu $4,$4,%lo($LC7) 289 263:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_size: %08X\n",header->sh_size);
290 .loc 1 263 0 291 0198 1400058E lw $5,20($16) 292 019c 0000043C lui $4,%hi($LC8) 293 01a0 0000000C jal printf 294 01a4 00008424 addiu $4,$4,%lo($LC8) 295 264:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_link: %08X\n",header->sh_link);
296 .loc 1 264 0 297 01a8 1800058E lw $5,24($16) 298 01ac 0000043C lui $4,%hi($LC9) 299 01b0 0000000C jal printf 300 01b4 00008424 addiu $4,$4,%lo($LC9) 301 265:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_info: %08X\n",header->sh_info);
302 .loc 1 265 0 303 01b8 1C00058E lw $5,28($16) 304 01bc 0000043C lui $4,%hi($LC10) 305 01c0 0000000C jal printf 306 01c4 00008424 addiu $4,$4,%lo($LC10) 307 GAS LISTING /tmp/ccSF7Vky.s page 12 266:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_addalgn: %08X\n",header->sh_addralign);
308 .loc 1 266 0 309 01c8 2000058E lw $5,32($16) 310 01cc 0000043C lui $4,%hi($LC11) 311 01d0 0000000C jal printf 312 01d4 00008424 addiu $4,$4,%lo($LC11) 313 267:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** printf(" sh_entsize: %08X\n",header->sh_entsize);
314 .loc 1 267 0 315 01d8 2400058E lw $5,36($16) 316 01dc 0000043C lui $4,%hi($LC12) 317 01e0 1400BF8F lw $31,20($sp) 318 01e4 1000B08F lw $16,16($sp) 319 01e8 00008424 addiu $4,$4,%lo($LC12) 320 01ec 00000008 j printf 321 01f0 1800BD27 addiu $sp,$sp,24 322 323 .set macro 324 .set reorder 325 $LFE7: 326 .end displaySectionHeader 327 .align 2 328 .ent elfReadSectionHeader 329 .type elfReadSectionHeader, @function 330 elfReadSectionHeader: 331 $LFB8: 268:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
269:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
270:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /********************************************************************/
271:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** static int
272:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** elfReadSectionHeader()
273:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
332 .loc 1 273 0 333 .frame $sp,64,$31 # vars= 8, regs= 10/0, args= 16, gp= 0 334 .mask 0xc0ff0000,-4 335 .fmask 0x00000000,0 336 .set noreorder 337 .set nomacro 338 339 01f4 C0FFBD27 addiu $sp,$sp,-64 340 $LCFI8: 341 01f8 2800B4AF sw $20,40($sp) 342 $LCFI9: 274:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** int i;
275:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** char c;
276:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
277:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** scn_foffset = (uint32)~0;
278:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** symndx = -1;
279:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** strndx = -1;
280:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
281:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (!elfhdr.e_shnum)
343 .loc 1 281 0 344 01fc 0000143C lui $20,%hi(elfhdr) 345 .loc 1 273 0 346 0200 3000B6AF sw $22,48($sp) 347 $LCFI10: 348 0204 2400B3AF sw $19,36($sp) GAS LISTING /tmp/ccSF7Vky.s page 13 349 $LCFI11: 350 0208 2000B2AF sw $18,32($sp) 351 $LCFI12: 352 020c 3C00BFAF sw $31,60($sp) 353 $LCFI13: 354 0210 3800BEAF sw $fp,56($sp) 355 $LCFI14: 356 0214 3400B7AF sw $23,52($sp) 357 $LCFI15: 358 0218 2C00B5AF sw $21,44($sp) 359 $LCFI16: 360 021c 1C00B1AF sw $17,28($sp) 361 $LCFI17: 362 0220 1800B0AF sw $16,24($sp) 363 $LCFI18: 364 .loc 1 281 0 365 0224 0C008426 addiu $4,$20,%lo(elfhdr) 366 0228 30008394 lhu $3,48($4) 367 .loc 1 277 0 368 022c FFFF0224 li $2,-1 # 0xffffffffffffffff 369 0230 0000123C lui $18,%hi(scn_foffset) 370 .loc 1 278 0 371 0234 0000133C lui $19,%hi(symndx) 372 .loc 1 279 0 373 0238 0000163C lui $22,%hi(strndx) 374 023c 0800C2AE sw $2,%lo(strndx)($22) 375 .loc 1 277 0 376 0240 F00442AE sw $2,%lo(scn_foffset)($18) 377 .loc 1 278 0 378 0244 040062AE sw $2,%lo(symndx)($19) 282:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** return 0;
379 .loc 1 282 0 380 .loc 1 281 0 381 0248 42006010 beq $3,$0,$L10 382 024c 21280000 move $5,$0 383 283:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
284:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** for(i = elfBytesRead; i < elfhdr.e_shoff; ++i) //seek to header
384 .loc 1 284 0 385 0250 0000033C lui $3,%hi(elfBytesRead) 386 0254 0000708C lw $16,%lo(elfBytesRead)($3) 387 0258 2000828C lw $2,32($4) 388 025c 2B100202 sltu $2,$16,$2 285:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if(!elfRead(&c, 1))
286:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** return 0;
287:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
288:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** for (i = 0; i < elfhdr.e_shnum; ++i)
389 .loc 1 288 0 390 .loc 1 284 0 391 0260 0D004010 beq $2,$0,$L48 392 0264 0C008326 addiu $3,$20,%lo(elfhdr) 393 394 0268 21888000 move $17,$4 395 .loc 1 285 0 396 026c 1000A427 addiu $4,$sp,16 397 $L49: 398 0270 01000524 li $5,1 # 0x1 GAS LISTING /tmp/ccSF7Vky.s page 14 399 .loc 1 284 0 400 .loc 1 285 0 401 0274 0000000C jal elfRead 402 0278 01001026 addiu $16,$16,1 403 289:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
290:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** elfRead(&scnhdr[i], sizeof(Elf32_Shdr));
291:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** // displaySectionHeader(&scnhdr[i]);
292:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** switch (scnhdr[i].sh_type)
293:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
294:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_NULL:
295:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
296:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_PROGBITS:
297:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (scnhdr[i].sh_offset < scn_foffset)
298:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** scn_foffset = scnhdr[i].sh_offset;
299:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
300:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_SYMTAB:
301:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (symndx < 0)
302:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** symndx = i;
303:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (scnhdr[i].sh_offset < scn_foffset)
304:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** scn_foffset = scnhdr[i].sh_offset;
305:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
306:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_STRTAB:
307:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if ((strndx < 0) && (i != elfhdr. e_shstrndx))
308:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** strndx = i;
309:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (scnhdr[i].sh_offset < scn_foffset)
310:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** scn_foffset = scnhdr[i].sh_offset;
311:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
312:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_RELA:
313:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
314:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** case SHT_NOBITS:
315:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
316:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** default:
317:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /* unknown section type */
318:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** break;
319:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
320:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
321:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
322:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /*
323:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** * Check for symbol table existence and for string
324:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** * table existence AFTER symbol table.
325:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** */
326:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if ((symndx < 0) || (strndx < 0))
327:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
328:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** return FALSE;
329:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
330:/mnt/hgfs/boot/booter/source/applications/booter/elf.c ****
331:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** if (symndx < strndx)
332:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** {
333:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** /*
334:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** * The symbol table entries MUST exist before the string
335:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** * entries, or else this information comes too late.
336:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** * (Unless you want to do a third pass!?? Not!
337:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** */
338:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** return TRUE;
339:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** }
340:/mnt/hgfs/boot/booter/source/applications/booter/elf.c **** else
GAS LISTING /tmp/ccSF7Vky.s page 15⌨️ 快捷键说明
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