stdlib.lst

au1200下的boot代码

 249 0108 0000000C 		jal	puts
 250 010c 23882302 		subu	$17,$17,$3
 251              	
 252              		.loc 1 74 0
 253 0110 F6FF1316 		bne	$16,$19,$L18
 254 0114 00000000 		nop
 255              	
 256              	$L24:
  75:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  76:/mnt/hgfs/boot/booter/source/stdlib.c **** 	s[i] = '\0';
 257              		.loc 1 76 0
 258 0118 21105102 		addu	$2,$18,$17
 259 011c 000040A0 		sb	$0,0($2)
  77:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  78:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return s;
  79:/mnt/hgfs/boot/booter/source/stdlib.c **** }
GAS LISTING /tmp/ccLTWmfM.s 			page 7


 260              		.loc 1 79 0
 261 0120 2800BF8F 		lw	$31,40($sp)
 262 0124 21104002 		move	$2,$18
 263 0128 2400B58F 		lw	$21,36($sp)
 264 012c 2000B48F 		lw	$20,32($sp)
 265 0130 1C00B38F 		lw	$19,28($sp)
 266 0134 1800B28F 		lw	$18,24($sp)
 267 0138 1400B18F 		lw	$17,20($sp)
 268 013c 1000B08F 		lw	$16,16($sp)
 269 0140 0800E003 		j	$31
 270 0144 3000BD27 		addiu	$sp,$sp,48
 271              	
 272              		.set	macro
 273              		.set	reorder
 274              	$LFE7:
 275              		.end	gets
 276              		.align	2
 277              		.globl	gets_noecho
 278              		.ent	gets_noecho
 279              		.type	gets_noecho, @function
 280              	gets_noecho:
 281              	$LFB8:
  80:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  81:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
  82:/mnt/hgfs/boot/booter/source/stdlib.c **** char *
  83:/mnt/hgfs/boot/booter/source/stdlib.c **** gets_noecho (char *s)
  84:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 282              		.loc 1 84 0
 283              		.frame	$sp,40,$31		# vars= 0, regs= 5/0, args= 16, gp= 0
 284              		.mask	0x800f0000,-8
 285              		.fmask	0x00000000,0
 286              		.set	noreorder
 287              		.set	nomacro
 288              		
 289 0148 D8FFBD27 		addiu	$sp,$sp,-40
 290              	$LCFI16:
 291 014c 1C00B3AF 		sw	$19,28($sp)
 292              	$LCFI17:
 293 0150 1800B2AF 		sw	$18,24($sp)
 294              	$LCFI18:
 295 0154 1400B1AF 		sw	$17,20($sp)
 296              	$LCFI19:
 297 0158 1000B0AF 		sw	$16,16($sp)
 298              	$LCFI20:
 299 015c 21888000 		move	$17,$4
  85:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int i = 0;
 300              		.loc 1 85 0
 301 0160 21800000 		move	$16,$0
 302 0164 08001324 		li	$19,8			# 0x8
 303 0168 0A001224 		li	$18,10			# 0xa
 304              		.loc 1 84 0
 305              	$LCFI21:
 306 016c 61000008 		j	$L26
 307 0170 2000BFAF 		sw	$31,32($sp)
 308              	
 309              	$L29:
  86:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int ch;
GAS LISTING /tmp/ccLTWmfM.s 			page 8


  87:/mnt/hgfs/boot/booter/source/stdlib.c **** 
  88:/mnt/hgfs/boot/booter/source/stdlib.c **** 	do
  89:/mnt/hgfs/boot/booter/source/stdlib.c **** 	{
  90:/mnt/hgfs/boot/booter/source/stdlib.c **** 		ch = getc_noecho();
  91:/mnt/hgfs/boot/booter/source/stdlib.c **** 		if (ch == '\b')
  92:/mnt/hgfs/boot/booter/source/stdlib.c **** 		{
  93:/mnt/hgfs/boot/booter/source/stdlib.c **** 			if (i > 0)
  94:/mnt/hgfs/boot/booter/source/stdlib.c **** 				--i;
  95:/mnt/hgfs/boot/booter/source/stdlib.c **** 		}
  96:/mnt/hgfs/boot/booter/source/stdlib.c **** 		else
  97:/mnt/hgfs/boot/booter/source/stdlib.c **** 		{
  98:/mnt/hgfs/boot/booter/source/stdlib.c **** 			s[i++] = ch;
 310              		.loc 1 98 0
 311 0174 01001026 		addiu	$16,$16,1
 312 0178 000062A0 		sb	$2,0($3)
 313              	$L28:
  99:/mnt/hgfs/boot/booter/source/stdlib.c **** 		}
 100:/mnt/hgfs/boot/booter/source/stdlib.c **** 	} while (ch != '\n');
 101:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 102:/mnt/hgfs/boot/booter/source/stdlib.c **** 	s[i] = '\0';
 314              		.loc 1 102 0
 315              		.loc 1 100 0
 316 017c 0A005210 		beq	$2,$18,$L33
 317 0180 21103002 		addu	$2,$17,$16
 318              	
 319              	$L26:
 320              		.loc 1 90 0
 321 0184 0000000C 		jal	getc_noecho
 322 0188 00000000 		nop
 323              	
 324              		.loc 1 98 0
 325              		.loc 1 91 0
 326 018c F9FF5314 		bne	$2,$19,$L29
 327 0190 21181102 		addu	$3,$16,$17
 328              	
 329              		.loc 1 93 0
 330 0194 F9FF001A 		blez	$16,$L28
 331 0198 00000000 		nop
 332              	
 333              		.loc 1 94 0
 334              		.loc 1 100 0
 335 019c F9FF5214 		bne	$2,$18,$L26
 336 01a0 FFFF1026 		addiu	$16,$16,-1
 337              	
 338              		.loc 1 102 0
 339 01a4 21103002 		addu	$2,$17,$16
 340              	$L33:
 341 01a8 000040A0 		sb	$0,0($2)
 103:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 104:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return s;
 105:/mnt/hgfs/boot/booter/source/stdlib.c **** }
 342              		.loc 1 105 0
 343 01ac 2000BF8F 		lw	$31,32($sp)
 344 01b0 21102002 		move	$2,$17
 345 01b4 1C00B38F 		lw	$19,28($sp)
 346 01b8 1800B28F 		lw	$18,24($sp)
 347 01bc 1400B18F 		lw	$17,20($sp)
GAS LISTING /tmp/ccLTWmfM.s 			page 9


 348 01c0 1000B08F 		lw	$16,16($sp)
 349 01c4 0800E003 		j	$31
 350 01c8 2800BD27 		addiu	$sp,$sp,40
 351              	
 352              		.set	macro
 353              		.set	reorder
 354              	$LFE8:
 355              		.end	gets_noecho
 356              		.align	2
 357              		.globl	srand
 358              		.ent	srand
 359              		.type	srand, @function
 360              	srand:
 361              	$LFB9:
 106:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 107:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
 108:/mnt/hgfs/boot/booter/source/stdlib.c **** int
 109:/mnt/hgfs/boot/booter/source/stdlib.c **** srand (int max)
 110:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 362              		.loc 1 110 0
 363              		.frame	$sp,24,$31		# vars= 0, regs= 2/0, args= 16, gp= 0
 364              		.mask	0x80010000,-4
 365              		.fmask	0x00000000,0
 366              		.set	noreorder
 367              		.set	nomacro
 368              		
 369 01cc E8FFBD27 		addiu	$sp,$sp,-24
 370              	$LCFI22:
 371 01d0 1000B0AF 		sw	$16,16($sp)
 372              	$LCFI23:
 373 01d4 1400BFAF 		sw	$31,20($sp)
 374              	$LCFI24:
 375              		.loc 1 110 0
 111:/mnt/hgfs/boot/booter/source/stdlib.c **** 	int v = (int)cp0RdCount();
 376              		.loc 1 111 0
 377 01d8 0000000C 		jal	cp0RdCount
 378 01dc 21808000 		move	$16,$4
 379              	
 112:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 113:/mnt/hgfs/boot/booter/source/stdlib.c **** 	v &= 0x0ffff;
 380              		.loc 1 113 0
 114:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 115:/mnt/hgfs/boot/booter/source/stdlib.c **** 	if( max != 0 )
 381              		.loc 1 115 0
 382 01e0 06000012 		beq	$16,$0,$L35
 383 01e4 FFFF4230 		andi	$2,$2,0xffff
 384              	
 116:/mnt/hgfs/boot/booter/source/stdlib.c **** 		v = v % max;
 385              		.loc 1 116 0
 386 01e8 1A005000 		div	$0,$2,$16
 387 01ec 02000016 		bne	$16,$0,1f
 388 01f0 00000000 		nop
 389 01f4 0D000700 		break	7
 390              	1:
 391 01f8 10100000 		mfhi	$2
 392              	$L35:
 117:/mnt/hgfs/boot/booter/source/stdlib.c **** 
GAS LISTING /tmp/ccLTWmfM.s 			page 10


 118:/mnt/hgfs/boot/booter/source/stdlib.c **** 	return v;
 119:/mnt/hgfs/boot/booter/source/stdlib.c **** }
 393              		.loc 1 119 0
 394 01fc 1400BF8F 		lw	$31,20($sp)
 395 0200 1000B08F 		lw	$16,16($sp)
 396 0204 0800E003 		j	$31
 397 0208 1800BD27 		addiu	$sp,$sp,24
 398              	
 399              		.set	macro
 400              		.set	reorder
 401              	$LFE9:
 402              		.end	srand
 403              		.align	2
 404              		.globl	hexchartoi
 405              		.ent	hexchartoi
 406              		.type	hexchartoi, @function
 407              	hexchartoi:
 408              	$LFB10:
 120:/mnt/hgfs/boot/booter/source/stdlib.c **** 
 121:/mnt/hgfs/boot/booter/source/stdlib.c **** /********************************************************************/
 122:/mnt/hgfs/boot/booter/source/stdlib.c **** int hexchartoi(const char ch)
 123:/mnt/hgfs/boot/booter/source/stdlib.c **** {
 409              		.loc 1 123 0
 410              		.frame	$sp,0,$31		# vars= 0, regs= 0/0, args= 0, gp= 0
 411              		.mask	0x00000000,0
 412              		.fmask	0x00000000,0
 413              		.set	noreorder
 414              		.set	nomacro
 415              		
 416              		.loc 1 123 0
 417 020c 00260400 		sll	$4,$4,24
 418 0210 03260400 		sra	$4,$4,24
 124:/mnt/hgfs/boot/booter/source/stdlib.c **** 	switch (ch)
 419              		.loc 1 124 0
 420 0214 D0FF8524 		addiu	$5,$4,-48
 421 0218 3700A22C 		sltu	$2,$5,55
 422 021c 07004010 		beq	$2,$0,$L60
 423 0220 0000033C 		lui	$3,%hi($L61)
 424              	
 425 0224 80100500 		sll	$2,$5,2
 426 0228 00006324 		addiu	$3,$3,%lo($L61)
 427 022c 21104300 		addu	$2,$2,$3
 428 0230 0000448C 		lw	$4,0($2)
 429 0234 08008000 		j	$4
 430 0238 00000000 		nop
 431              	
 432              		.rdata
 433              		.align	2
 434              	$L61:
 435 0000 4C020000 		.word	$L47
 436 0004 4C020000 		.word	$L47
 437 0008 4C020000 		.word	$L47
 438 000c 4C020000 		.word	$L47
 439 0010 4C020000 		.word	$L47
 440 0014 4C020000 		.word	$L47
 441 0018 4C020000 		.word	$L47
 442 001c 4C020000 		.word	$L47
GAS LISTING /tmp/ccLTWmfM.s 			page 11


 443 0020 4C020000 		.word	$L47
 444 0024 4C020000 		.word	$L47
 445 0028 3C020000 		.word	$L60
 446 002c 3C020000 		.word	$L60
 447 0030 3C020000 		.word	$L60
 448 0034 3C020000 		.word	$L60
 449 0038 3C020000 		.word	$L60
 450 003c 3C020000 		.word	$L60
 451 0040 3C020000 		.word	$L60
 452 0044 54020000 		.word	$L49
 453 0048 5C020000 		.word	$L51
 454 004c 64020000 		.word	$L53
 455 0050 6C020000 		.word	$L55
 456 0054 74020000 		.word	$L57
 457 0058 44020000 		.word	$L59
 458 005c 3C020000 		.word	$L60
 459 0060 3C020000 		.word	$L60
 460 0064 3C020000 		.word	$L60
 461 0068 3C020000 		.word	$L60
 462 006c 3C020000 		.word	$L60
 463 0070 3C020000 		.word	$L60
 464 0074 3C020000 		.word	$L60
 465 0078 3C020000 		.word	$L60
 466 007c 3C020000 		.word	$L60
 467 0080 3C020000 		.word	$L60
 468 0084 3C020000 		.word	$L60
 469 0088 3C020000 		.word	$L60
 470 008c 3C020000 		.word	$L60
 471 0090 3C020000 		.word	$L60
 472 0094 3C020000 		.word	$L60
 473 0098 3C020000 		.word	$L60
 474 009c 3C020000 		.word	$L60
 475 00a0 3C020000 		.word	$L60
 476 00a4 3C020000 		.word	$L60
 477 00a8 3C020000 		.word	$L60
 478 00ac 3C020000 		.word	$L60
 479 00b0 3C020000 		.word	$L60
 480 00b4 3C020000 		.word	$L60
 481 00b8 3C020000 		.word	$L60
 482 00bc 3C020000 		.word	$L60
 483 00c0 3C020000 		.word	$L60
 484 00c4 54020000 		.word	$L49
 485 00c8 5C020000 		.word	$L51
 486 00cc 64020000 		.word	$L53
 487 00d0 6C020000 		.word	$L55
 488 00d4 74020000 		.word	$L57
 489 00d8 44020000 		.word	$L59
 490 00dc 00000000 		.text
 491              	$L60:
 125:/mnt/hgfs/boot/booter/source/stdlib.c **** 	{
 126:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '0':
 127:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '1':
 128:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '2':
 129:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '3':
 130:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '4':
 131:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '5':
 132:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '6':
GAS LISTING /tmp/ccLTWmfM.s 			page 12


 133:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '7':
 134:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '8':
 135:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case '9':
 136:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return (ch - '0');
 137:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;
 138:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'A':
 139:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'a':
 140:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return 10;
 141:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;
 142:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'B':
 143:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'b':
 144:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return 11;
 145:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;
 146:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'C':
 147:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'c':
 148:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return 12;
 149:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;
 150:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'D':
 151:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'd':
 152:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return 13;
 153:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;
 154:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'E':
 155:/mnt/hgfs/boot/booter/source/stdlib.c **** 		case 'e':
 156:/mnt/hgfs/boot/booter/source/stdlib.c **** 			return 14;
 157:/mnt/hgfs/boot/booter/source/stdlib.c **** 			break;