_echo:     file format elf32-littlearm


Disassembly of section .text:

00000000 <main>:
#include "stat.h"
#include "user.h"

int
main(int argc, char *argv[])
{
       0:	e92d4800 	push	{fp, lr}
       4:	e1a0b00d 	mov	fp, sp
       8:	e24dd020 	sub	sp, sp, #32
       c:	e1a02001 	mov	r2, r1
      10:	e1a03000 	mov	r3, r0
      14:	e3a0c000 	mov	ip, #0
      18:	e50bc004 	str	ip, [fp, #-4]
      1c:	e50b0008 	str	r0, [fp, #-8]
      20:	e50b100c 	str	r1, [fp, #-12]
    int i;
    
    for(i = 1; i < argc; i++)
      24:	e3a00001 	mov	r0, #1
      28:	e58d0010 	str	r0, [sp, #16]
      2c:	e58d200c 	str	r2, [sp, #12]
      30:	e58d3008 	str	r3, [sp, #8]
      34:	eaffffff 	b	38 <main+0x38>
      38:	e59d0010 	ldr	r0, [sp, #16]
      3c:	e51b1008 	ldr	r1, [fp, #-8]
      40:	e1500001 	cmp	r0, r1
      44:	aa000012 	bge	94 <main+0x94>
      48:	eaffffff 	b	4c <main+0x4c>
        printf(1, "%s%s", argv[i], i+1 < argc ? " " : "\n");
      4c:	e51b000c 	ldr	r0, [fp, #-12]
      50:	e59d1010 	ldr	r1, [sp, #16]
      54:	e7902101 	ldr	r2, [r0, r1, lsl #2]
      58:	e2810001 	add	r0, r1, #1
      5c:	e51b1008 	ldr	r1, [fp, #-8]
      60:	e59f3034 	ldr	r3, [pc, #52]	; 9c <main+0x9c>
      64:	e59fc034 	ldr	ip, [pc, #52]	; a0 <main+0xa0>
      68:	e1500001 	cmp	r0, r1
      6c:	b1a0c003 	movlt	ip, r3
      70:	e59f102c 	ldr	r1, [pc, #44]	; a4 <main+0xa4>
      74:	e3a00001 	mov	r0, #1
      78:	e1a0300c 	mov	r3, ip
      7c:	eb000236 	bl	95c <printf>
      80:	eaffffff 	b	84 <main+0x84>
    for(i = 1; i < argc; i++)
      84:	e59d0010 	ldr	r0, [sp, #16]
      88:	e2800001 	add	r0, r0, #1
      8c:	e58d0010 	str	r0, [sp, #16]
      90:	eaffffe8 	b	38 <main+0x38>
    exit();
      94:	eb00017c 	bl	68c <exit>
      98:	e58d0004 	str	r0, [sp, #4]
      9c:	00001229 	.word	0x00001229
      a0:	0000122b 	.word	0x0000122b
      a4:	00001224 	.word	0x00001224

000000a8 <strcpy>:
#include "fcntl.h"
#include "user.h"

char*
strcpy(char *s, char *t)
{
      a8:	e24dd014 	sub	sp, sp, #20
      ac:	e1a02001 	mov	r2, r1
      b0:	e1a03000 	mov	r3, r0
      b4:	e58d0010 	str	r0, [sp, #16]
      b8:	e58d100c 	str	r1, [sp, #12]
      bc:	e59d0010 	ldr	r0, [sp, #16]
      c0:	e58d0008 	str	r0, [sp, #8]
      c4:	e58d2004 	str	r2, [sp, #4]
      c8:	e58d3000 	str	r3, [sp]
      cc:	eaffffff 	b	d0 <strcpy+0x28>
      d0:	e59d000c 	ldr	r0, [sp, #12]
      d4:	e2801001 	add	r1, r0, #1
      d8:	e58d100c 	str	r1, [sp, #12]
      dc:	e5d00000 	ldrb	r0, [r0]
      e0:	e59d1010 	ldr	r1, [sp, #16]
      e4:	e2812001 	add	r2, r1, #1
      e8:	e58d2010 	str	r2, [sp, #16]
      ec:	e5c10000 	strb	r0, [r1]
      f0:	e3500000 	cmp	r0, #0
      f4:	0a000001 	beq	100 <strcpy+0x58>
      f8:	eaffffff 	b	fc <strcpy+0x54>
      fc:	eafffff3 	b	d0 <strcpy+0x28>
     100:	e59d0008 	ldr	r0, [sp, #8]
     104:	e28dd014 	add	sp, sp, #20
     108:	e12fff1e 	bx	lr

0000010c <strcmp>:
     10c:	e24dd014 	sub	sp, sp, #20
     110:	e1a02001 	mov	r2, r1
     114:	e1a03000 	mov	r3, r0
     118:	e58d0010 	str	r0, [sp, #16]
     11c:	e58d100c 	str	r1, [sp, #12]
     120:	e58d2008 	str	r2, [sp, #8]
     124:	e58d3004 	str	r3, [sp, #4]
     128:	eaffffff 	b	12c <strcmp+0x20>
     12c:	e59d0010 	ldr	r0, [sp, #16]
     130:	e5d00000 	ldrb	r0, [r0]
     134:	e3a01000 	mov	r1, #0
     138:	e3500000 	cmp	r0, #0
     13c:	e58d1000 	str	r1, [sp]
     140:	0a000009 	beq	16c <strcmp+0x60>
     144:	eaffffff 	b	148 <strcmp+0x3c>
     148:	e59d0010 	ldr	r0, [sp, #16]
     14c:	e5d00000 	ldrb	r0, [r0]
     150:	e59d100c 	ldr	r1, [sp, #12]
     154:	e5d11000 	ldrb	r1, [r1]
     158:	e3a02000 	mov	r2, #0
     15c:	e1500001 	cmp	r0, r1
     160:	03a02001 	moveq	r2, #1
     164:	e58d2000 	str	r2, [sp]
     168:	eaffffff 	b	16c <strcmp+0x60>
     16c:	e59d0000 	ldr	r0, [sp]
     170:	e3100001 	tst	r0, #1
     174:	0a000007 	beq	198 <strcmp+0x8c>
     178:	eaffffff 	b	17c <strcmp+0x70>
     17c:	e59d0010 	ldr	r0, [sp, #16]
     180:	e2800001 	add	r0, r0, #1
     184:	e58d0010 	str	r0, [sp, #16]
     188:	e59d000c 	ldr	r0, [sp, #12]
     18c:	e2800001 	add	r0, r0, #1
     190:	e58d000c 	str	r0, [sp, #12]
     194:	eaffffe4 	b	12c <strcmp+0x20>
     198:	e59d0010 	ldr	r0, [sp, #16]
     19c:	e5d00000 	ldrb	r0, [r0]
     1a0:	e59d100c 	ldr	r1, [sp, #12]
     1a4:	e5d11000 	ldrb	r1, [r1]
     1a8:	e0400001 	sub	r0, r0, r1
     1ac:	e28dd014 	add	sp, sp, #20
     1b0:	e12fff1e 	bx	lr

000001b4 <strlen>:
     1b4:	e24dd00c 	sub	sp, sp, #12
     1b8:	e1a01000 	mov	r1, r0
     1bc:	e58d0008 	str	r0, [sp, #8]
     1c0:	e3a00000 	mov	r0, #0
     1c4:	e58d0004 	str	r0, [sp, #4]
     1c8:	e58d1000 	str	r1, [sp]
     1cc:	eaffffff 	b	1d0 <strlen+0x1c>
     1d0:	e59d0008 	ldr	r0, [sp, #8]
     1d4:	e59d1004 	ldr	r1, [sp, #4]
     1d8:	e7d00001 	ldrb	r0, [r0, r1]
     1dc:	e3500000 	cmp	r0, #0
     1e0:	0a000005 	beq	1fc <strlen+0x48>
     1e4:	eaffffff 	b	1e8 <strlen+0x34>
     1e8:	eaffffff 	b	1ec <strlen+0x38>
     1ec:	e59d0004 	ldr	r0, [sp, #4]
     1f0:	e2800001 	add	r0, r0, #1
     1f4:	e58d0004 	str	r0, [sp, #4]
     1f8:	eafffff4 	b	1d0 <strlen+0x1c>
     1fc:	e59d0004 	ldr	r0, [sp, #4]
     200:	e28dd00c 	add	sp, sp, #12
     204:	e12fff1e 	bx	lr

00000208 <memset>:
     208:	e92d4800 	push	{fp, lr}
     20c:	e1a0b00d 	mov	fp, sp
     210:	e24dd02c 	sub	sp, sp, #44	; 0x2c
     214:	e1a03002 	mov	r3, r2
     218:	e1a0c001 	mov	ip, r1
     21c:	e1a0e000 	mov	lr, r0
     220:	e50b0004 	str	r0, [fp, #-4]
     224:	e50b1008 	str	r1, [fp, #-8]
     228:	e50b200c 	str	r2, [fp, #-12]
     22c:	e51b0004 	ldr	r0, [fp, #-4]
     230:	e50b0010 	str	r0, [fp, #-16]
     234:	e51b0008 	ldr	r0, [fp, #-8]
     238:	e54b0011 	strb	r0, [fp, #-17]	; 0xffffffef
     23c:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
     240:	e1a01c00 	lsl	r1, r0, #24
     244:	e1811800 	orr	r1, r1, r0, lsl #16
     248:	e1811400 	orr	r1, r1, r0, lsl #8
     24c:	e1810000 	orr	r0, r1, r0
     250:	e58d0014 	str	r0, [sp, #20]
     254:	e58d300c 	str	r3, [sp, #12]
     258:	e58dc008 	str	ip, [sp, #8]
     25c:	e58de004 	str	lr, [sp, #4]
     260:	eaffffff 	b	264 <memset+0x5c>
     264:	e51b000c 	ldr	r0, [fp, #-12]
     268:	e3a01000 	mov	r1, #0
     26c:	e3500000 	cmp	r0, #0
     270:	e58d1000 	str	r1, [sp]
     274:	0a000006 	beq	294 <memset+0x8c>
     278:	eaffffff 	b	27c <memset+0x74>
     27c:	e55b0010 	ldrb	r0, [fp, #-16]
     280:	e2000003 	and	r0, r0, #3
     284:	e3500000 	cmp	r0, #0
     288:	13a00001 	movne	r0, #1
     28c:	e58d0000 	str	r0, [sp]
     290:	eaffffff 	b	294 <memset+0x8c>
     294:	e59d0000 	ldr	r0, [sp]
     298:	e3100001 	tst	r0, #1
     29c:	0a00000b 	beq	2d0 <memset+0xc8>
     2a0:	eaffffff 	b	2a4 <memset+0x9c>
     2a4:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
     2a8:	e51b1010 	ldr	r1, [fp, #-16]
     2ac:	e5c10000 	strb	r0, [r1]
     2b0:	eaffffff 	b	2b4 <memset+0xac>
     2b4:	e51b000c 	ldr	r0, [fp, #-12]
     2b8:	e2400001 	sub	r0, r0, #1
     2bc:	e50b000c 	str	r0, [fp, #-12]
     2c0:	e51b0010 	ldr	r0, [fp, #-16]
     2c4:	e2800001 	add	r0, r0, #1
     2c8:	e50b0010 	str	r0, [fp, #-16]
     2cc:	eaffffe4 	b	264 <memset+0x5c>
     2d0:	e51b0010 	ldr	r0, [fp, #-16]
     2d4:	e58d0010 	str	r0, [sp, #16]
     2d8:	eaffffff 	b	2dc <memset+0xd4>
     2dc:	e51b000c 	ldr	r0, [fp, #-12]
     2e0:	e3500004 	cmp	r0, #4
     2e4:	3a00000b 	bcc	318 <memset+0x110>
     2e8:	eaffffff 	b	2ec <memset+0xe4>
     2ec:	e59d0014 	ldr	r0, [sp, #20]
     2f0:	e59d1010 	ldr	r1, [sp, #16]
     2f4:	e5810000 	str	r0, [r1]
     2f8:	eaffffff 	b	2fc <memset+0xf4>
     2fc:	e51b000c 	ldr	r0, [fp, #-12]
     300:	e2400004 	sub	r0, r0, #4
     304:	e50b000c 	str	r0, [fp, #-12]
     308:	e59d0010 	ldr	r0, [sp, #16]
     30c:	e2800004 	add	r0, r0, #4
     310:	e58d0010 	str	r0, [sp, #16]
     314:	eafffff0 	b	2dc <memset+0xd4>
     318:	e59d0010 	ldr	r0, [sp, #16]
     31c:	e50b0010 	str	r0, [fp, #-16]
     320:	eaffffff 	b	324 <memset+0x11c>
     324:	e51b000c 	ldr	r0, [fp, #-12]
     328:	e3500000 	cmp	r0, #0
     32c:	0a00000b 	beq	360 <memset+0x158>
     330:	eaffffff 	b	334 <memset+0x12c>
     334:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
     338:	e51b1010 	ldr	r1, [fp, #-16]
     33c:	e5c10000 	strb	r0, [r1]
     340:	eaffffff 	b	344 <memset+0x13c>
     344:	e51b000c 	ldr	r0, [fp, #-12]
     348:	e2400001 	sub	r0, r0, #1
     34c:	e50b000c 	str	r0, [fp, #-12]
     350:	e51b0010 	ldr	r0, [fp, #-16]
     354:	e2800001 	add	r0, r0, #1
     358:	e50b0010 	str	r0, [fp, #-16]
     35c:	eafffff0 	b	324 <memset+0x11c>
     360:	e51b0004 	ldr	r0, [fp, #-4]
     364:	e1a0d00b 	mov	sp, fp
     368:	e8bd8800 	pop	{fp, pc}

0000036c <strchr>:
     36c:	e24dd014 	sub	sp, sp, #20
     370:	e1a02001 	mov	r2, r1
     374:	e1a03000 	mov	r3, r0
     378:	e58d000c 	str	r0, [sp, #12]
     37c:	e5cd100b 	strb	r1, [sp, #11]
     380:	e58d2004 	str	r2, [sp, #4]
     384:	e58d3000 	str	r3, [sp]
     388:	eaffffff 	b	38c <strchr+0x20>
     38c:	e59d000c 	ldr	r0, [sp, #12]
     390:	e5d00000 	ldrb	r0, [r0]
     394:	e3500000 	cmp	r0, #0
     398:	0a00000e 	beq	3d8 <strchr+0x6c>
     39c:	eaffffff 	b	3a0 <strchr+0x34>
     3a0:	e59d000c 	ldr	r0, [sp, #12]
     3a4:	e5d00000 	ldrb	r0, [r0]
     3a8:	e5dd100b 	ldrb	r1, [sp, #11]
     3ac:	e1500001 	cmp	r0, r1
     3b0:	1a000003 	bne	3c4 <strchr+0x58>
     3b4:	eaffffff 	b	3b8 <strchr+0x4c>
     3b8:	e59d000c 	ldr	r0, [sp, #12]
     3bc:	e58d0010 	str	r0, [sp, #16]
     3c0:	ea000007 	b	3e4 <strchr+0x78>
     3c4:	eaffffff 	b	3c8 <strchr+0x5c>
     3c8:	e59d000c 	ldr	r0, [sp, #12]
     3cc:	e2800001 	add	r0, r0, #1
     3d0:	e58d000c 	str	r0, [sp, #12]
     3d4:	eaffffec 	b	38c <strchr+0x20>
     3d8:	e3a00000 	mov	r0, #0
     3dc:	e58d0010 	str	r0, [sp, #16]
     3e0:	eaffffff 	b	3e4 <strchr+0x78>
     3e4:	e59d0010 	ldr	r0, [sp, #16]
     3e8:	e28dd014 	add	sp, sp, #20
     3ec:	e12fff1e 	bx	lr

000003f0 <gets>:
     3f0:	e92d4800 	push	{fp, lr}
     3f4:	e1a0b00d 	mov	fp, sp
     3f8:	e24dd020 	sub	sp, sp, #32
     3fc:	e1a02001 	mov	r2, r1
     400:	e1a03000 	mov	r3, r0
     404:	e50b0004 	str	r0, [fp, #-4]
     408:	e50b1008 	str	r1, [fp, #-8]
     40c:	e3a00000 	mov	r0, #0
     410:	e50b000c 	str	r0, [fp, #-12]
     414:	e58d2008 	str	r2, [sp, #8]
     418:	e58d3004 	str	r3, [sp, #4]
     41c:	eaffffff 	b	420 <gets+0x30>
     420:	e51b000c 	ldr	r0, [fp, #-12]
     424:	e2800001 	add	r0, r0, #1
     428:	e51b1008 	ldr	r1, [fp, #-8]
     42c:	e1500001 	cmp	r0, r1
     430:	aa00001a 	bge	4a0 <gets+0xb0>
     434:	eaffffff 	b	438 <gets+0x48>
     438:	e3a00000 	mov	r0, #0
     43c:	e28d100f 	add	r1, sp, #15
     440:	e3a02001 	mov	r2, #1
     444:	eb0000ab 	bl	6f8 <read>
     448:	e58d0010 	str	r0, [sp, #16]
     44c:	e59d0010 	ldr	r0, [sp, #16]
     450:	e3500000 	cmp	r0, #0
     454:	ca000001 	bgt	460 <gets+0x70>
     458:	eaffffff 	b	45c <gets+0x6c>
     45c:	ea00000f 	b	4a0 <gets+0xb0>
     460:	e5dd000f 	ldrb	r0, [sp, #15]
     464:	e51b1004 	ldr	r1, [fp, #-4]
     468:	e51b200c 	ldr	r2, [fp, #-12]
     46c:	e2823001 	add	r3, r2, #1
     470:	e50b300c 	str	r3, [fp, #-12]
     474:	e7c10002 	strb	r0, [r1, r2]
     478:	e5dd000f 	ldrb	r0, [sp, #15]
     47c:	e350000a 	cmp	r0, #10
     480:	0a000004 	beq	498 <gets+0xa8>
     484:	eaffffff 	b	488 <gets+0x98>
     488:	e5dd000f 	ldrb	r0, [sp, #15]
     48c:	e350000d 	cmp	r0, #13
     490:	1a000001 	bne	49c <gets+0xac>
     494:	eaffffff 	b	498 <gets+0xa8>
     498:	ea000000 	b	4a0 <gets+0xb0>
     49c:	eaffffdf 	b	420 <gets+0x30>
     4a0:	e51b0004 	ldr	r0, [fp, #-4]
     4a4:	e51b100c 	ldr	r1, [fp, #-12]
     4a8:	e3a02000 	mov	r2, #0
     4ac:	e7c02001 	strb	r2, [r0, r1]
     4b0:	e51b0004 	ldr	r0, [fp, #-4]
     4b4:	e1a0d00b 	mov	sp, fp
     4b8:	e8bd8800 	pop	{fp, pc}

000004bc <stat>:
     4bc:	e92d4800 	push	{fp, lr}
     4c0:	e1a0b00d 	mov	fp, sp
     4c4:	e24dd020 	sub	sp, sp, #32
     4c8:	e1a02001 	mov	r2, r1
     4cc:	e1a03000 	mov	r3, r0
     4d0:	e50b0008 	str	r0, [fp, #-8]
     4d4:	e50b100c 	str	r1, [fp, #-12]
     4d8:	e51b0008 	ldr	r0, [fp, #-8]
     4dc:	e3a01000 	mov	r1, #0
     4e0:	e58d2008 	str	r2, [sp, #8]
     4e4:	e58d3004 	str	r3, [sp, #4]
     4e8:	eb0000af 	bl	7ac <open>
     4ec:	e58d0010 	str	r0, [sp, #16]
     4f0:	e59d0010 	ldr	r0, [sp, #16]
     4f4:	e3500000 	cmp	r0, #0
     4f8:	aa000003 	bge	50c <stat+0x50>
     4fc:	eaffffff 	b	500 <stat+0x44>
     500:	e3e00000 	mvn	r0, #0
     504:	e50b0004 	str	r0, [fp, #-4]
     508:	ea000009 	b	534 <stat+0x78>
     50c:	e59d0010 	ldr	r0, [sp, #16]
     510:	e51b100c 	ldr	r1, [fp, #-12]
     514:	eb0000bf 	bl	818 <fstat>
     518:	e58d000c 	str	r0, [sp, #12]
     51c:	e59d0010 	ldr	r0, [sp, #16]
     520:	eb000086 	bl	740 <close>
     524:	e59d100c 	ldr	r1, [sp, #12]
     528:	e50b1004 	str	r1, [fp, #-4]
     52c:	e58d0000 	str	r0, [sp]
     530:	eaffffff 	b	534 <stat+0x78>
     534:	e51b0004 	ldr	r0, [fp, #-4]
     538:	e1a0d00b 	mov	sp, fp
     53c:	e8bd8800 	pop	{fp, pc}

00000540 <atoi>:
     540:	e24dd010 	sub	sp, sp, #16
     544:	e1a01000 	mov	r1, r0
     548:	e58d000c 	str	r0, [sp, #12]
     54c:	e3a00000 	mov	r0, #0
     550:	e58d0008 	str	r0, [sp, #8]
     554:	e58d1004 	str	r1, [sp, #4]
     558:	eaffffff 	b	55c <atoi+0x1c>
     55c:	e59d000c 	ldr	r0, [sp, #12]
     560:	e5d00000 	ldrb	r0, [r0]
     564:	e3a01000 	mov	r1, #0
     568:	e3500030 	cmp	r0, #48	; 0x30
     56c:	e58d1000 	str	r1, [sp]
     570:	ba000007 	blt	594 <atoi+0x54>
     574:	eaffffff 	b	578 <atoi+0x38>
     578:	e59d000c 	ldr	r0, [sp, #12]
     57c:	e5d00000 	ldrb	r0, [r0]
     580:	e3a01000 	mov	r1, #0
     584:	e350003a 	cmp	r0, #58	; 0x3a
     588:	b3a01001 	movlt	r1, #1
     58c:	e58d1000 	str	r1, [sp]
     590:	eaffffff 	b	594 <atoi+0x54>
     594:	e59d0000 	ldr	r0, [sp]
     598:	e3100001 	tst	r0, #1
     59c:	0a00000a 	beq	5cc <atoi+0x8c>
     5a0:	eaffffff 	b	5a4 <atoi+0x64>
     5a4:	e59d0008 	ldr	r0, [sp, #8]
     5a8:	e0800100 	add	r0, r0, r0, lsl #2
     5ac:	e59d100c 	ldr	r1, [sp, #12]
     5b0:	e2812001 	add	r2, r1, #1
     5b4:	e58d200c 	str	r2, [sp, #12]
     5b8:	e5d11000 	ldrb	r1, [r1]
     5bc:	e0810080 	add	r0, r1, r0, lsl #1
     5c0:	e2400030 	sub	r0, r0, #48	; 0x30
     5c4:	e58d0008 	str	r0, [sp, #8]
     5c8:	eaffffe3 	b	55c <atoi+0x1c>
     5cc:	e59d0008 	ldr	r0, [sp, #8]
     5d0:	e28dd010 	add	sp, sp, #16
     5d4:	e12fff1e 	bx	lr

000005d8 <memmove>:
     5d8:	e92d4800 	push	{fp, lr}
     5dc:	e1a0b00d 	mov	fp, sp
     5e0:	e24dd020 	sub	sp, sp, #32
     5e4:	e1a03002 	mov	r3, r2
     5e8:	e1a0c001 	mov	ip, r1
     5ec:	e1a0e000 	mov	lr, r0
     5f0:	e50b0004 	str	r0, [fp, #-4]
     5f4:	e50b1008 	str	r1, [fp, #-8]
     5f8:	e50b200c 	str	r2, [fp, #-12]
     5fc:	e51b0004 	ldr	r0, [fp, #-4]
     600:	e58d0010 	str	r0, [sp, #16]
     604:	e51b0008 	ldr	r0, [fp, #-8]
     608:	e58d000c 	str	r0, [sp, #12]
     60c:	e58d3008 	str	r3, [sp, #8]
     610:	e58dc004 	str	ip, [sp, #4]
     614:	e58de000 	str	lr, [sp]
     618:	eaffffff 	b	61c <memmove+0x44>
     61c:	e51b000c 	ldr	r0, [fp, #-12]
     620:	e2401001 	sub	r1, r0, #1
     624:	e50b100c 	str	r1, [fp, #-12]
     628:	e3500001 	cmp	r0, #1
     62c:	ba000009 	blt	658 <memmove+0x80>
     630:	eaffffff 	b	634 <memmove+0x5c>
     634:	e59d000c 	ldr	r0, [sp, #12]
     638:	e2801001 	add	r1, r0, #1
     63c:	e58d100c 	str	r1, [sp, #12]
     640:	e5d00000 	ldrb	r0, [r0]
     644:	e59d1010 	ldr	r1, [sp, #16]
     648:	e2812001 	add	r2, r1, #1
     64c:	e58d2010 	str	r2, [sp, #16]
     650:	e5c10000 	strb	r0, [r1]
     654:	eafffff0 	b	61c <memmove+0x44>
     658:	e51b0004 	ldr	r0, [fp, #-4]
     65c:	e1a0d00b 	mov	sp, fp
     660:	e8bd8800 	pop	{fp, pc}

00000664 <raise>:
    return vdst;
}

void
raise()
{}
     664:	e12fff1e 	bx	lr

00000668 <fork>:
     668:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     66c:	e1a04003 	mov	r4, r3
     670:	e1a03002 	mov	r3, r2
     674:	e1a02001 	mov	r2, r1
     678:	e1a01000 	mov	r1, r0
     67c:	e3a00001 	mov	r0, #1
     680:	ef000000 	svc	0x00000000
     684:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     688:	e12fff1e 	bx	lr

0000068c <exit>:
     68c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     690:	e1a04003 	mov	r4, r3
     694:	e1a03002 	mov	r3, r2
     698:	e1a02001 	mov	r2, r1
     69c:	e1a01000 	mov	r1, r0
     6a0:	e3a00002 	mov	r0, #2
     6a4:	ef000000 	svc	0x00000000
     6a8:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     6ac:	e12fff1e 	bx	lr

000006b0 <wait>:
     6b0:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     6b4:	e1a04003 	mov	r4, r3
     6b8:	e1a03002 	mov	r3, r2
     6bc:	e1a02001 	mov	r2, r1
     6c0:	e1a01000 	mov	r1, r0
     6c4:	e3a00003 	mov	r0, #3
     6c8:	ef000000 	svc	0x00000000
     6cc:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     6d0:	e12fff1e 	bx	lr

000006d4 <pipe>:
     6d4:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     6d8:	e1a04003 	mov	r4, r3
     6dc:	e1a03002 	mov	r3, r2
     6e0:	e1a02001 	mov	r2, r1
     6e4:	e1a01000 	mov	r1, r0
     6e8:	e3a00004 	mov	r0, #4
     6ec:	ef000000 	svc	0x00000000
     6f0:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     6f4:	e12fff1e 	bx	lr

000006f8 <read>:
     6f8:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     6fc:	e1a04003 	mov	r4, r3
     700:	e1a03002 	mov	r3, r2
     704:	e1a02001 	mov	r2, r1
     708:	e1a01000 	mov	r1, r0
     70c:	e3a00005 	mov	r0, #5
     710:	ef000000 	svc	0x00000000
     714:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     718:	e12fff1e 	bx	lr

0000071c <write>:
     71c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     720:	e1a04003 	mov	r4, r3
     724:	e1a03002 	mov	r3, r2
     728:	e1a02001 	mov	r2, r1
     72c:	e1a01000 	mov	r1, r0
     730:	e3a00010 	mov	r0, #16
     734:	ef000000 	svc	0x00000000
     738:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     73c:	e12fff1e 	bx	lr

00000740 <close>:
     740:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     744:	e1a04003 	mov	r4, r3
     748:	e1a03002 	mov	r3, r2
     74c:	e1a02001 	mov	r2, r1
     750:	e1a01000 	mov	r1, r0
     754:	e3a00015 	mov	r0, #21
     758:	ef000000 	svc	0x00000000
     75c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     760:	e12fff1e 	bx	lr

00000764 <kill>:
     764:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     768:	e1a04003 	mov	r4, r3
     76c:	e1a03002 	mov	r3, r2
     770:	e1a02001 	mov	r2, r1
     774:	e1a01000 	mov	r1, r0
     778:	e3a00006 	mov	r0, #6
     77c:	ef000000 	svc	0x00000000
     780:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     784:	e12fff1e 	bx	lr

00000788 <exec>:
     788:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     78c:	e1a04003 	mov	r4, r3
     790:	e1a03002 	mov	r3, r2
     794:	e1a02001 	mov	r2, r1
     798:	e1a01000 	mov	r1, r0
     79c:	e3a00007 	mov	r0, #7
     7a0:	ef000000 	svc	0x00000000
     7a4:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     7a8:	e12fff1e 	bx	lr

000007ac <open>:
     7ac:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     7b0:	e1a04003 	mov	r4, r3
     7b4:	e1a03002 	mov	r3, r2
     7b8:	e1a02001 	mov	r2, r1
     7bc:	e1a01000 	mov	r1, r0
     7c0:	e3a0000f 	mov	r0, #15
     7c4:	ef000000 	svc	0x00000000
     7c8:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     7cc:	e12fff1e 	bx	lr

000007d0 <mknod>:
     7d0:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     7d4:	e1a04003 	mov	r4, r3
     7d8:	e1a03002 	mov	r3, r2
     7dc:	e1a02001 	mov	r2, r1
     7e0:	e1a01000 	mov	r1, r0
     7e4:	e3a00011 	mov	r0, #17
     7e8:	ef000000 	svc	0x00000000
     7ec:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     7f0:	e12fff1e 	bx	lr

000007f4 <unlink>:
     7f4:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     7f8:	e1a04003 	mov	r4, r3
     7fc:	e1a03002 	mov	r3, r2
     800:	e1a02001 	mov	r2, r1
     804:	e1a01000 	mov	r1, r0
     808:	e3a00012 	mov	r0, #18
     80c:	ef000000 	svc	0x00000000
     810:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     814:	e12fff1e 	bx	lr

00000818 <fstat>:
     818:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     81c:	e1a04003 	mov	r4, r3
     820:	e1a03002 	mov	r3, r2
     824:	e1a02001 	mov	r2, r1
     828:	e1a01000 	mov	r1, r0
     82c:	e3a00008 	mov	r0, #8
     830:	ef000000 	svc	0x00000000
     834:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     838:	e12fff1e 	bx	lr

0000083c <link>:
     83c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     840:	e1a04003 	mov	r4, r3
     844:	e1a03002 	mov	r3, r2
     848:	e1a02001 	mov	r2, r1
     84c:	e1a01000 	mov	r1, r0
     850:	e3a00013 	mov	r0, #19
     854:	ef000000 	svc	0x00000000
     858:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     85c:	e12fff1e 	bx	lr

00000860 <mkdir>:
     860:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     864:	e1a04003 	mov	r4, r3
     868:	e1a03002 	mov	r3, r2
     86c:	e1a02001 	mov	r2, r1
     870:	e1a01000 	mov	r1, r0
     874:	e3a00014 	mov	r0, #20
     878:	ef000000 	svc	0x00000000
     87c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     880:	e12fff1e 	bx	lr

00000884 <chdir>:
     884:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     888:	e1a04003 	mov	r4, r3
     88c:	e1a03002 	mov	r3, r2
     890:	e1a02001 	mov	r2, r1
     894:	e1a01000 	mov	r1, r0
     898:	e3a00009 	mov	r0, #9
     89c:	ef000000 	svc	0x00000000
     8a0:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     8a4:	e12fff1e 	bx	lr

000008a8 <dup>:
     8a8:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     8ac:	e1a04003 	mov	r4, r3
     8b0:	e1a03002 	mov	r3, r2
     8b4:	e1a02001 	mov	r2, r1
     8b8:	e1a01000 	mov	r1, r0
     8bc:	e3a0000a 	mov	r0, #10
     8c0:	ef000000 	svc	0x00000000
     8c4:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     8c8:	e12fff1e 	bx	lr

000008cc <getpid>:
     8cc:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     8d0:	e1a04003 	mov	r4, r3
     8d4:	e1a03002 	mov	r3, r2
     8d8:	e1a02001 	mov	r2, r1
     8dc:	e1a01000 	mov	r1, r0
     8e0:	e3a0000b 	mov	r0, #11
     8e4:	ef000000 	svc	0x00000000
     8e8:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     8ec:	e12fff1e 	bx	lr

000008f0 <sbrk>:
     8f0:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     8f4:	e1a04003 	mov	r4, r3
     8f8:	e1a03002 	mov	r3, r2
     8fc:	e1a02001 	mov	r2, r1
     900:	e1a01000 	mov	r1, r0
     904:	e3a0000c 	mov	r0, #12
     908:	ef000000 	svc	0x00000000
     90c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     910:	e12fff1e 	bx	lr

00000914 <sleep>:
     914:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     918:	e1a04003 	mov	r4, r3
     91c:	e1a03002 	mov	r3, r2
     920:	e1a02001 	mov	r2, r1
     924:	e1a01000 	mov	r1, r0
     928:	e3a0000d 	mov	r0, #13
     92c:	ef000000 	svc	0x00000000
     930:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     934:	e12fff1e 	bx	lr

00000938 <uptime>:
     938:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
     93c:	e1a04003 	mov	r4, r3
     940:	e1a03002 	mov	r3, r2
     944:	e1a02001 	mov	r2, r1
     948:	e1a01000 	mov	r1, r0
     94c:	e3a0000e 	mov	r0, #14
     950:	ef000000 	svc	0x00000000
     954:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
     958:	e12fff1e 	bx	lr

0000095c <printf>:
}

// Print to the given fd. Only understands %d, %x, %p, %s.
void
printf(int fd, char *fmt, ...)
{
     95c:	e92d4800 	push	{fp, lr}
     960:	e1a0b00d 	mov	fp, sp
     964:	e24dd028 	sub	sp, sp, #40	; 0x28
     968:	e1a02001 	mov	r2, r1
     96c:	e1a03000 	mov	r3, r0
     970:	e50b0004 	str	r0, [fp, #-4]
     974:	e50b1008 	str	r1, [fp, #-8]
     978:	e3a00000 	mov	r0, #0
     97c:	e58d0010 	str	r0, [sp, #16]
     980:	e24b1008 	sub	r1, fp, #8
     984:	e2811004 	add	r1, r1, #4
     988:	e58d100c 	str	r1, [sp, #12]
     98c:	e58d0014 	str	r0, [sp, #20]
     990:	e58d2008 	str	r2, [sp, #8]
     994:	e58d3004 	str	r3, [sp, #4]
     998:	eaffffff 	b	99c <printf+0x40>
     99c:	e51b0008 	ldr	r0, [fp, #-8]
     9a0:	e59d1014 	ldr	r1, [sp, #20]
     9a4:	e7d00001 	ldrb	r0, [r0, r1]
     9a8:	e3500000 	cmp	r0, #0
     9ac:	0a00007e 	beq	bac <printf+0x250>
     9b0:	eaffffff 	b	9b4 <printf+0x58>
     9b4:	e51b0008 	ldr	r0, [fp, #-8]
     9b8:	e59d1014 	ldr	r1, [sp, #20]
     9bc:	e7d00001 	ldrb	r0, [r0, r1]
     9c0:	e50b0010 	str	r0, [fp, #-16]
     9c4:	e59d0010 	ldr	r0, [sp, #16]
     9c8:	e3500000 	cmp	r0, #0
     9cc:	1a00000c 	bne	a04 <printf+0xa8>
     9d0:	eaffffff 	b	9d4 <printf+0x78>
     9d4:	e51b0010 	ldr	r0, [fp, #-16]
     9d8:	e3500025 	cmp	r0, #37	; 0x25
     9dc:	1a000003 	bne	9f0 <printf+0x94>
     9e0:	eaffffff 	b	9e4 <printf+0x88>
     9e4:	e3a00025 	mov	r0, #37	; 0x25
     9e8:	e58d0010 	str	r0, [sp, #16]
     9ec:	ea000003 	b	a00 <printf+0xa4>
     9f0:	e51b0004 	ldr	r0, [fp, #-4]
     9f4:	e55b1010 	ldrb	r1, [fp, #-16]
     9f8:	eb00006e 	bl	bb8 <putc>
     9fc:	eaffffff 	b	a00 <printf+0xa4>
     a00:	ea000064 	b	b98 <printf+0x23c>
     a04:	e59d0010 	ldr	r0, [sp, #16]
     a08:	e3500025 	cmp	r0, #37	; 0x25
     a0c:	1a000060 	bne	b94 <printf+0x238>
     a10:	eaffffff 	b	a14 <printf+0xb8>
     a14:	e51b0010 	ldr	r0, [fp, #-16]
     a18:	e3500064 	cmp	r0, #100	; 0x64
     a1c:	1a00000a 	bne	a4c <printf+0xf0>
     a20:	eaffffff 	b	a24 <printf+0xc8>
     a24:	e51b0004 	ldr	r0, [fp, #-4]
     a28:	e59d100c 	ldr	r1, [sp, #12]
     a2c:	e5911000 	ldr	r1, [r1]
     a30:	e3a0200a 	mov	r2, #10
     a34:	e3a03001 	mov	r3, #1
     a38:	eb00006f 	bl	bfc <printint>
     a3c:	e59d000c 	ldr	r0, [sp, #12]
     a40:	e2800004 	add	r0, r0, #4
     a44:	e58d000c 	str	r0, [sp, #12]
     a48:	ea00004e 	b	b88 <printf+0x22c>
     a4c:	e51b0010 	ldr	r0, [fp, #-16]
     a50:	e3500078 	cmp	r0, #120	; 0x78
     a54:	0a000004 	beq	a6c <printf+0x110>
     a58:	eaffffff 	b	a5c <printf+0x100>
     a5c:	e51b0010 	ldr	r0, [fp, #-16]
     a60:	e3500070 	cmp	r0, #112	; 0x70
     a64:	1a00000a 	bne	a94 <printf+0x138>
     a68:	eaffffff 	b	a6c <printf+0x110>
     a6c:	e51b0004 	ldr	r0, [fp, #-4]
     a70:	e59d100c 	ldr	r1, [sp, #12]
     a74:	e5911000 	ldr	r1, [r1]
     a78:	e3a02010 	mov	r2, #16
     a7c:	e3a03000 	mov	r3, #0
     a80:	eb00005d 	bl	bfc <printint>
     a84:	e59d000c 	ldr	r0, [sp, #12]
     a88:	e2800004 	add	r0, r0, #4
     a8c:	e58d000c 	str	r0, [sp, #12]
     a90:	ea00003b 	b	b84 <printf+0x228>
     a94:	e51b0010 	ldr	r0, [fp, #-16]
     a98:	e3500073 	cmp	r0, #115	; 0x73
     a9c:	1a00001a 	bne	b0c <printf+0x1b0>
     aa0:	eaffffff 	b	aa4 <printf+0x148>
     aa4:	e59d000c 	ldr	r0, [sp, #12]
     aa8:	e4901004 	ldr	r1, [r0], #4
     aac:	e50b100c 	str	r1, [fp, #-12]
     ab0:	e58d000c 	str	r0, [sp, #12]
     ab4:	e51b000c 	ldr	r0, [fp, #-12]
     ab8:	e3500000 	cmp	r0, #0
     abc:	1a000003 	bne	ad0 <printf+0x174>
     ac0:	eaffffff 	b	ac4 <printf+0x168>
     ac4:	e59f00e8 	ldr	r0, [pc, #232]	; bb4 <printf+0x258>
     ac8:	e50b000c 	str	r0, [fp, #-12]
     acc:	eaffffff 	b	ad0 <printf+0x174>
     ad0:	eaffffff 	b	ad4 <printf+0x178>
     ad4:	e51b000c 	ldr	r0, [fp, #-12]
     ad8:	e5d00000 	ldrb	r0, [r0]
     adc:	e3500000 	cmp	r0, #0
     ae0:	0a000008 	beq	b08 <printf+0x1ac>
     ae4:	eaffffff 	b	ae8 <printf+0x18c>
     ae8:	e51b0004 	ldr	r0, [fp, #-4]
     aec:	e51b100c 	ldr	r1, [fp, #-12]
     af0:	e5d11000 	ldrb	r1, [r1]
     af4:	eb00002f 	bl	bb8 <putc>
     af8:	e51b000c 	ldr	r0, [fp, #-12]
     afc:	e2800001 	add	r0, r0, #1
     b00:	e50b000c 	str	r0, [fp, #-12]
     b04:	eafffff2 	b	ad4 <printf+0x178>
     b08:	ea00001c 	b	b80 <printf+0x224>
     b0c:	e51b0010 	ldr	r0, [fp, #-16]
     b10:	e3500063 	cmp	r0, #99	; 0x63
     b14:	1a000008 	bne	b3c <printf+0x1e0>
     b18:	eaffffff 	b	b1c <printf+0x1c0>
     b1c:	e51b0004 	ldr	r0, [fp, #-4]
     b20:	e59d100c 	ldr	r1, [sp, #12]
     b24:	e5d11000 	ldrb	r1, [r1]
     b28:	eb000022 	bl	bb8 <putc>
     b2c:	e59d000c 	ldr	r0, [sp, #12]
     b30:	e2800004 	add	r0, r0, #4
     b34:	e58d000c 	str	r0, [sp, #12]
     b38:	ea00000f 	b	b7c <printf+0x220>
     b3c:	e51b0010 	ldr	r0, [fp, #-16]
     b40:	e3500025 	cmp	r0, #37	; 0x25
     b44:	1a000004 	bne	b5c <printf+0x200>
     b48:	eaffffff 	b	b4c <printf+0x1f0>
     b4c:	e51b0004 	ldr	r0, [fp, #-4]
     b50:	e55b1010 	ldrb	r1, [fp, #-16]
     b54:	eb000017 	bl	bb8 <putc>
     b58:	ea000006 	b	b78 <printf+0x21c>
     b5c:	e51b0004 	ldr	r0, [fp, #-4]
     b60:	e3a01025 	mov	r1, #37	; 0x25
     b64:	eb000013 	bl	bb8 <putc>
     b68:	e51b0004 	ldr	r0, [fp, #-4]
     b6c:	e55b1010 	ldrb	r1, [fp, #-16]
     b70:	eb000010 	bl	bb8 <putc>
     b74:	eaffffff 	b	b78 <printf+0x21c>
     b78:	eaffffff 	b	b7c <printf+0x220>
     b7c:	eaffffff 	b	b80 <printf+0x224>
     b80:	eaffffff 	b	b84 <printf+0x228>
     b84:	eaffffff 	b	b88 <printf+0x22c>
     b88:	e3a00000 	mov	r0, #0
     b8c:	e58d0010 	str	r0, [sp, #16]
     b90:	eaffffff 	b	b94 <printf+0x238>
     b94:	eaffffff 	b	b98 <printf+0x23c>
     b98:	eaffffff 	b	b9c <printf+0x240>
     b9c:	e59d0014 	ldr	r0, [sp, #20]
     ba0:	e2800001 	add	r0, r0, #1
     ba4:	e58d0014 	str	r0, [sp, #20]
     ba8:	eaffff7b 	b	99c <printf+0x40>
     bac:	e1a0d00b 	mov	sp, fp
     bb0:	e8bd8800 	pop	{fp, pc}
     bb4:	0000122d 	.word	0x0000122d

00000bb8 <putc>:
{
     bb8:	e92d4800 	push	{fp, lr}
     bbc:	e1a0b00d 	mov	fp, sp
     bc0:	e24dd018 	sub	sp, sp, #24
     bc4:	e1a02001 	mov	r2, r1
     bc8:	e1a03000 	mov	r3, r0
     bcc:	e50b0004 	str	r0, [fp, #-4]
     bd0:	e54b1005 	strb	r1, [fp, #-5]
    write(fd, &c, 1);
     bd4:	e51b0004 	ldr	r0, [fp, #-4]
     bd8:	e24b1005 	sub	r1, fp, #5
     bdc:	e3a0c001 	mov	ip, #1
     be0:	e58d200c 	str	r2, [sp, #12]
     be4:	e1a0200c 	mov	r2, ip
     be8:	e58d3008 	str	r3, [sp, #8]
     bec:	ebfffeca 	bl	71c <write>
}
     bf0:	e58d0004 	str	r0, [sp, #4]
     bf4:	e1a0d00b 	mov	sp, fp
     bf8:	e8bd8800 	pop	{fp, pc}

00000bfc <printint>:
{
     bfc:	e92d4830 	push	{r4, r5, fp, lr}
     c00:	e28db008 	add	fp, sp, #8
     c04:	e24dd040 	sub	sp, sp, #64	; 0x40
     c08:	e1a0c003 	mov	ip, r3
     c0c:	e1a0e002 	mov	lr, r2
     c10:	e1a04001 	mov	r4, r1
     c14:	e1a05000 	mov	r5, r0
     c18:	e50b000c 	str	r0, [fp, #-12]
     c1c:	e50b1010 	str	r1, [fp, #-16]
     c20:	e50b2014 	str	r2, [fp, #-20]	; 0xffffffec
     c24:	e50b3018 	str	r3, [fp, #-24]	; 0xffffffe8
     c28:	e3a00000 	mov	r0, #0
     c2c:	e58d0018 	str	r0, [sp, #24]
     c30:	e51b0018 	ldr	r0, [fp, #-24]	; 0xffffffe8
     c34:	e3500000 	cmp	r0, #0
     c38:	e58dc010 	str	ip, [sp, #16]
     c3c:	e58de00c 	str	lr, [sp, #12]
     c40:	e58d4008 	str	r4, [sp, #8]
     c44:	e58d5004 	str	r5, [sp, #4]
     c48:	0a00000a 	beq	c78 <printint+0x7c>
     c4c:	eaffffff 	b	c50 <printint+0x54>
     c50:	e51b0010 	ldr	r0, [fp, #-16]
     c54:	e3500000 	cmp	r0, #0
     c58:	aa000006 	bge	c78 <printint+0x7c>
     c5c:	eaffffff 	b	c60 <printint+0x64>
     c60:	e3a00001 	mov	r0, #1
     c64:	e58d0018 	str	r0, [sp, #24]
     c68:	e51b0010 	ldr	r0, [fp, #-16]
     c6c:	e2600000 	rsb	r0, r0, #0
     c70:	e58d0014 	str	r0, [sp, #20]
     c74:	ea000002 	b	c84 <printint+0x88>
     c78:	e51b0010 	ldr	r0, [fp, #-16]
     c7c:	e58d0014 	str	r0, [sp, #20]
     c80:	eaffffff 	b	c84 <printint+0x88>
     c84:	e3a00000 	mov	r0, #0
     c88:	e58d001c 	str	r0, [sp, #28]
     c8c:	eaffffff 	b	c90 <printint+0x94>
     c90:	e59d0014 	ldr	r0, [sp, #20]
     c94:	e51b1014 	ldr	r1, [fp, #-20]	; 0xffffffec
     c98:	eb000158 	bl	1200 <__aeabi_uidivmod>
     c9c:	e59fe0a0 	ldr	lr, [pc, #160]	; d44 <printint+0x148>
     ca0:	e7de1001 	ldrb	r1, [lr, r1]
     ca4:	e59de01c 	ldr	lr, [sp, #28]
     ca8:	e28e2001 	add	r2, lr, #1
     cac:	e58d201c 	str	r2, [sp, #28]
     cb0:	e28d2020 	add	r2, sp, #32
     cb4:	e7c2100e 	strb	r1, [r2, lr]
     cb8:	e58d0000 	str	r0, [sp]
     cbc:	eaffffff 	b	cc0 <printint+0xc4>
     cc0:	e51b1014 	ldr	r1, [fp, #-20]	; 0xffffffec
     cc4:	e59d0014 	ldr	r0, [sp, #20]
     cc8:	eb00010f 	bl	110c <__aeabi_uidiv>
     ccc:	e58d0014 	str	r0, [sp, #20]
     cd0:	e3500000 	cmp	r0, #0
     cd4:	1affffed 	bne	c90 <printint+0x94>
     cd8:	eaffffff 	b	cdc <printint+0xe0>
     cdc:	e59d0018 	ldr	r0, [sp, #24]
     ce0:	e3500000 	cmp	r0, #0
     ce4:	0a000007 	beq	d08 <printint+0x10c>
     ce8:	eaffffff 	b	cec <printint+0xf0>
     cec:	e59d001c 	ldr	r0, [sp, #28]
     cf0:	e2801001 	add	r1, r0, #1
     cf4:	e58d101c 	str	r1, [sp, #28]
     cf8:	e28d1020 	add	r1, sp, #32
     cfc:	e3a0202d 	mov	r2, #45	; 0x2d
     d00:	e7c12000 	strb	r2, [r1, r0]
     d04:	eaffffff 	b	d08 <printint+0x10c>
     d08:	eaffffff 	b	d0c <printint+0x110>
     d0c:	e59d001c 	ldr	r0, [sp, #28]
     d10:	e2400001 	sub	r0, r0, #1
     d14:	e58d001c 	str	r0, [sp, #28]
     d18:	e3500000 	cmp	r0, #0
     d1c:	ba000006 	blt	d3c <printint+0x140>
     d20:	eaffffff 	b	d24 <printint+0x128>
     d24:	e51b000c 	ldr	r0, [fp, #-12]
     d28:	e59d101c 	ldr	r1, [sp, #28]
     d2c:	e28d2020 	add	r2, sp, #32
     d30:	e7d21001 	ldrb	r1, [r2, r1]
     d34:	ebffff9f 	bl	bb8 <putc>
     d38:	eafffff3 	b	d0c <printint+0x110>
     d3c:	e24bd008 	sub	sp, fp, #8
     d40:	e8bd8830 	pop	{r4, r5, fp, pc}
     d44:	0000123c 	.word	0x0000123c

00000d48 <free>:
static Header base;
static Header *freep;

void
free(void *ap)
{
     d48:	e24dd014 	sub	sp, sp, #20
     d4c:	e1a01000 	mov	r1, r0
     d50:	e58d0010 	str	r0, [sp, #16]
     d54:	e59d0010 	ldr	r0, [sp, #16]
     d58:	e2400008 	sub	r0, r0, #8
     d5c:	e58d000c 	str	r0, [sp, #12]
     d60:	e59f0188 	ldr	r0, [pc, #392]	; ef0 <free+0x1a8>
     d64:	e5900000 	ldr	r0, [r0]
     d68:	e58d0008 	str	r0, [sp, #8]
     d6c:	e58d1004 	str	r1, [sp, #4]
     d70:	eaffffff 	b	d74 <free+0x2c>
     d74:	e59d000c 	ldr	r0, [sp, #12]
     d78:	e59d1008 	ldr	r1, [sp, #8]
     d7c:	e3a02000 	mov	r2, #0
     d80:	e1500001 	cmp	r0, r1
     d84:	e58d2000 	str	r2, [sp]
     d88:	9a000008 	bls	db0 <free+0x68>
     d8c:	eaffffff 	b	d90 <free+0x48>
     d90:	e59d000c 	ldr	r0, [sp, #12]
     d94:	e59d1008 	ldr	r1, [sp, #8]
     d98:	e5911000 	ldr	r1, [r1]
     d9c:	e3a02000 	mov	r2, #0
     da0:	e1500001 	cmp	r0, r1
     da4:	33a02001 	movcc	r2, #1
     da8:	e58d2000 	str	r2, [sp]
     dac:	eaffffff 	b	db0 <free+0x68>
     db0:	e59d0000 	ldr	r0, [sp]
     db4:	e1e00000 	mvn	r0, r0
     db8:	e3100001 	tst	r0, #1
     dbc:	0a000016 	beq	e1c <free+0xd4>
     dc0:	eaffffff 	b	dc4 <free+0x7c>
     dc4:	e59d0008 	ldr	r0, [sp, #8]
     dc8:	e5901000 	ldr	r1, [r0]
     dcc:	e1500001 	cmp	r0, r1
     dd0:	3a00000c 	bcc	e08 <free+0xc0>
     dd4:	eaffffff 	b	dd8 <free+0x90>
     dd8:	e59d000c 	ldr	r0, [sp, #12]
     ddc:	e59d1008 	ldr	r1, [sp, #8]
     de0:	e1500001 	cmp	r0, r1
     de4:	8a000006 	bhi	e04 <free+0xbc>
     de8:	eaffffff 	b	dec <free+0xa4>
     dec:	e59d000c 	ldr	r0, [sp, #12]
     df0:	e59d1008 	ldr	r1, [sp, #8]
     df4:	e5911000 	ldr	r1, [r1]
     df8:	e1500001 	cmp	r0, r1
     dfc:	2a000001 	bcs	e08 <free+0xc0>
     e00:	eaffffff 	b	e04 <free+0xbc>
     e04:	ea000004 	b	e1c <free+0xd4>
     e08:	eaffffff 	b	e0c <free+0xc4>
     e0c:	e59d0008 	ldr	r0, [sp, #8]
     e10:	e5900000 	ldr	r0, [r0]
     e14:	e58d0008 	str	r0, [sp, #8]
     e18:	eaffffd5 	b	d74 <free+0x2c>
     e1c:	e59d000c 	ldr	r0, [sp, #12]
     e20:	e5901004 	ldr	r1, [r0, #4]
     e24:	e0800181 	add	r0, r0, r1, lsl #3
     e28:	e59d1008 	ldr	r1, [sp, #8]
     e2c:	e5911000 	ldr	r1, [r1]
     e30:	e1500001 	cmp	r0, r1
     e34:	1a00000d 	bne	e70 <free+0x128>
     e38:	eaffffff 	b	e3c <free+0xf4>
     e3c:	e59d0008 	ldr	r0, [sp, #8]
     e40:	e5900000 	ldr	r0, [r0]
     e44:	e5900004 	ldr	r0, [r0, #4]
     e48:	e59d100c 	ldr	r1, [sp, #12]
     e4c:	e5912004 	ldr	r2, [r1, #4]
     e50:	e0820000 	add	r0, r2, r0
     e54:	e5810004 	str	r0, [r1, #4]
     e58:	e59d0008 	ldr	r0, [sp, #8]
     e5c:	e5900000 	ldr	r0, [r0]
     e60:	e5900000 	ldr	r0, [r0]
     e64:	e59d100c 	ldr	r1, [sp, #12]
     e68:	e5810000 	str	r0, [r1]
     e6c:	ea000004 	b	e84 <free+0x13c>
     e70:	e59d0008 	ldr	r0, [sp, #8]
     e74:	e5900000 	ldr	r0, [r0]
     e78:	e59d100c 	ldr	r1, [sp, #12]
     e7c:	e5810000 	str	r0, [r1]
     e80:	eaffffff 	b	e84 <free+0x13c>
     e84:	e59d0008 	ldr	r0, [sp, #8]
     e88:	e5901004 	ldr	r1, [r0, #4]
     e8c:	e0800181 	add	r0, r0, r1, lsl #3
     e90:	e59d100c 	ldr	r1, [sp, #12]
     e94:	e1500001 	cmp	r0, r1
     e98:	1a00000b 	bne	ecc <free+0x184>
     e9c:	eaffffff 	b	ea0 <free+0x158>
     ea0:	e59d000c 	ldr	r0, [sp, #12]
     ea4:	e5900004 	ldr	r0, [r0, #4]
     ea8:	e59d1008 	ldr	r1, [sp, #8]
     eac:	e5912004 	ldr	r2, [r1, #4]
     eb0:	e0820000 	add	r0, r2, r0
     eb4:	e5810004 	str	r0, [r1, #4]
     eb8:	e59d000c 	ldr	r0, [sp, #12]
     ebc:	e5900000 	ldr	r0, [r0]
     ec0:	e59d1008 	ldr	r1, [sp, #8]
     ec4:	e5810000 	str	r0, [r1]
     ec8:	ea000003 	b	edc <free+0x194>
     ecc:	e59d000c 	ldr	r0, [sp, #12]
     ed0:	e59d1008 	ldr	r1, [sp, #8]
     ed4:	e5810000 	str	r0, [r1]
     ed8:	eaffffff 	b	edc <free+0x194>
     edc:	e59d0008 	ldr	r0, [sp, #8]
     ee0:	e59f1008 	ldr	r1, [pc, #8]	; ef0 <free+0x1a8>
     ee4:	e5810000 	str	r0, [r1]
     ee8:	e28dd014 	add	sp, sp, #20
     eec:	e12fff1e 	bx	lr
     ef0:	00001250 	.word	0x00001250

00000ef4 <malloc>:
     ef4:	e92d4800 	push	{fp, lr}
     ef8:	e1a0b00d 	mov	fp, sp
     efc:	e24dd018 	sub	sp, sp, #24
     f00:	e1a01000 	mov	r1, r0
     f04:	e50b0008 	str	r0, [fp, #-8]
     f08:	e51b0008 	ldr	r0, [fp, #-8]
     f0c:	e2800007 	add	r0, r0, #7
     f10:	e3a02001 	mov	r2, #1
     f14:	e08201a0 	add	r0, r2, r0, lsr #3
     f18:	e58d0004 	str	r0, [sp, #4]
     f1c:	e59f013c 	ldr	r0, [pc, #316]	; 1060 <malloc+0x16c>
     f20:	e5900000 	ldr	r0, [r0]
     f24:	e58d0008 	str	r0, [sp, #8]
     f28:	e3500000 	cmp	r0, #0
     f2c:	e58d1000 	str	r1, [sp]
     f30:	1a000008 	bne	f58 <malloc+0x64>
     f34:	eaffffff 	b	f38 <malloc+0x44>
     f38:	e59f0124 	ldr	r0, [pc, #292]	; 1064 <malloc+0x170>
     f3c:	e58d0008 	str	r0, [sp, #8]
     f40:	e59f1118 	ldr	r1, [pc, #280]	; 1060 <malloc+0x16c>
     f44:	e5810000 	str	r0, [r1]
     f48:	e5800000 	str	r0, [r0]
     f4c:	e3a01000 	mov	r1, #0
     f50:	e5801004 	str	r1, [r0, #4]
     f54:	eaffffff 	b	f58 <malloc+0x64>
     f58:	e59d0008 	ldr	r0, [sp, #8]
     f5c:	e5900000 	ldr	r0, [r0]
     f60:	e58d000c 	str	r0, [sp, #12]
     f64:	eaffffff 	b	f68 <malloc+0x74>
     f68:	e59d000c 	ldr	r0, [sp, #12]
     f6c:	e5900004 	ldr	r0, [r0, #4]
     f70:	e59d1004 	ldr	r1, [sp, #4]
     f74:	e1500001 	cmp	r0, r1
     f78:	3a00001f 	bcc	ffc <malloc+0x108>
     f7c:	eaffffff 	b	f80 <malloc+0x8c>
     f80:	e59d000c 	ldr	r0, [sp, #12]
     f84:	e5900004 	ldr	r0, [r0, #4]
     f88:	e59d1004 	ldr	r1, [sp, #4]
     f8c:	e1500001 	cmp	r0, r1
     f90:	1a000005 	bne	fac <malloc+0xb8>
     f94:	eaffffff 	b	f98 <malloc+0xa4>
     f98:	e59d000c 	ldr	r0, [sp, #12]
     f9c:	e5900000 	ldr	r0, [r0]
     fa0:	e59d1008 	ldr	r1, [sp, #8]
     fa4:	e5810000 	str	r0, [r1]
     fa8:	ea00000c 	b	fe0 <malloc+0xec>
     fac:	e59d0004 	ldr	r0, [sp, #4]
     fb0:	e59d100c 	ldr	r1, [sp, #12]
     fb4:	e5912004 	ldr	r2, [r1, #4]
     fb8:	e0420000 	sub	r0, r2, r0
     fbc:	e5810004 	str	r0, [r1, #4]
     fc0:	e59d000c 	ldr	r0, [sp, #12]
     fc4:	e5901004 	ldr	r1, [r0, #4]
     fc8:	e0800181 	add	r0, r0, r1, lsl #3
     fcc:	e58d000c 	str	r0, [sp, #12]
     fd0:	e59d0004 	ldr	r0, [sp, #4]
     fd4:	e59d100c 	ldr	r1, [sp, #12]
     fd8:	e5810004 	str	r0, [r1, #4]
     fdc:	eaffffff 	b	fe0 <malloc+0xec>
     fe0:	e59d0008 	ldr	r0, [sp, #8]
     fe4:	e59f1074 	ldr	r1, [pc, #116]	; 1060 <malloc+0x16c>
     fe8:	e5810000 	str	r0, [r1]
     fec:	e59d000c 	ldr	r0, [sp, #12]
     ff0:	e2800008 	add	r0, r0, #8
     ff4:	e50b0004 	str	r0, [fp, #-4]
     ff8:	ea000015 	b	1054 <malloc+0x160>
     ffc:	e59d000c 	ldr	r0, [sp, #12]
    1000:	e59f1058 	ldr	r1, [pc, #88]	; 1060 <malloc+0x16c>
    1004:	e5911000 	ldr	r1, [r1]
    1008:	e1500001 	cmp	r0, r1
    100c:	1a00000a 	bne	103c <malloc+0x148>
    1010:	eaffffff 	b	1014 <malloc+0x120>
    1014:	e59d0004 	ldr	r0, [sp, #4]
    1018:	eb000012 	bl	1068 <morecore>
    101c:	e58d000c 	str	r0, [sp, #12]
    1020:	e3500000 	cmp	r0, #0
    1024:	1a000003 	bne	1038 <malloc+0x144>
    1028:	eaffffff 	b	102c <malloc+0x138>
    102c:	e3a00000 	mov	r0, #0
    1030:	e50b0004 	str	r0, [fp, #-4]
    1034:	ea000006 	b	1054 <malloc+0x160>
    1038:	eaffffff 	b	103c <malloc+0x148>
    103c:	eaffffff 	b	1040 <malloc+0x14c>
    1040:	e59d000c 	ldr	r0, [sp, #12]
    1044:	e58d0008 	str	r0, [sp, #8]
    1048:	e5900000 	ldr	r0, [r0]
    104c:	e58d000c 	str	r0, [sp, #12]
    1050:	eaffffc4 	b	f68 <malloc+0x74>
    1054:	e51b0004 	ldr	r0, [fp, #-4]
    1058:	e1a0d00b 	mov	sp, fp
    105c:	e8bd8800 	pop	{fp, pc}
    1060:	00001250 	.word	0x00001250
    1064:	00001254 	.word	0x00001254

00001068 <morecore>:
    freep = p;
}

static Header*
morecore(uint nu)
{
    1068:	e92d4800 	push	{fp, lr}
    106c:	e1a0b00d 	mov	fp, sp
    1070:	e24dd018 	sub	sp, sp, #24
    1074:	e1a01000 	mov	r1, r0
    1078:	e50b0008 	str	r0, [fp, #-8]
    char *p;
    Header *hp;
    
    if(nu < 4096)
    107c:	e51b0008 	ldr	r0, [fp, #-8]
    1080:	e3a02000 	mov	r2, #0
    1084:	e1520620 	cmp	r2, r0, lsr #12
    1088:	e58d1004 	str	r1, [sp, #4]
    108c:	1a000003 	bne	10a0 <morecore+0x38>
    1090:	eaffffff 	b	1094 <morecore+0x2c>
        nu = 4096;
    1094:	e3a00a01 	mov	r0, #4096	; 0x1000
    1098:	e50b0008 	str	r0, [fp, #-8]
    109c:	eaffffff 	b	10a0 <morecore+0x38>
    p = sbrk(nu * sizeof(Header));
    10a0:	e51b0008 	ldr	r0, [fp, #-8]
    10a4:	e1a00180 	lsl	r0, r0, #3
    10a8:	ebfffe10 	bl	8f0 <sbrk>
    10ac:	e58d000c 	str	r0, [sp, #12]
    if(p == (char*)-1)
    10b0:	e59d000c 	ldr	r0, [sp, #12]
    10b4:	e3700001 	cmn	r0, #1
    10b8:	1a000003 	bne	10cc <morecore+0x64>
    10bc:	eaffffff 	b	10c0 <morecore+0x58>
        return 0;
    10c0:	e3a00000 	mov	r0, #0
    10c4:	e50b0004 	str	r0, [fp, #-4]
    10c8:	ea00000b 	b	10fc <morecore+0x94>
    hp = (Header*)p;
    10cc:	e59d000c 	ldr	r0, [sp, #12]
    10d0:	e58d0008 	str	r0, [sp, #8]
    hp->s.size = nu;
    10d4:	e51b0008 	ldr	r0, [fp, #-8]
    10d8:	e59d1008 	ldr	r1, [sp, #8]
    10dc:	e5810004 	str	r0, [r1, #4]
    free((void*)(hp + 1));
    10e0:	e59d0008 	ldr	r0, [sp, #8]
    10e4:	e2800008 	add	r0, r0, #8
    10e8:	ebffff16 	bl	d48 <free>
    return freep;
    10ec:	e59f0014 	ldr	r0, [pc, #20]	; 1108 <morecore+0xa0>
    10f0:	e5900000 	ldr	r0, [r0]
    10f4:	e50b0004 	str	r0, [fp, #-4]
    10f8:	eaffffff 	b	10fc <morecore+0x94>
}
    10fc:	e51b0004 	ldr	r0, [fp, #-4]
    1100:	e1a0d00b 	mov	sp, fp
    1104:	e8bd8800 	pop	{fp, pc}
    1108:	00001250 	.word	0x00001250

0000110c <__aeabi_uidiv>:
    110c:	e2512001 	subs	r2, r1, #1
    1110:	012fff1e 	bxeq	lr
    1114:	3a000036 	bcc	11f4 <__aeabi_uidiv+0xe8>
    1118:	e1500001 	cmp	r0, r1
    111c:	9a000022 	bls	11ac <__aeabi_uidiv+0xa0>
    1120:	e1110002 	tst	r1, r2
    1124:	0a000023 	beq	11b8 <__aeabi_uidiv+0xac>
    1128:	e311020e 	tst	r1, #-536870912	; 0xe0000000
    112c:	01a01181 	lsleq	r1, r1, #3
    1130:	03a03008 	moveq	r3, #8
    1134:	13a03001 	movne	r3, #1
    1138:	e3510201 	cmp	r1, #268435456	; 0x10000000
    113c:	31510000 	cmpcc	r1, r0
    1140:	31a01201 	lslcc	r1, r1, #4
    1144:	31a03203 	lslcc	r3, r3, #4
    1148:	3afffffa 	bcc	1138 <__aeabi_uidiv+0x2c>
    114c:	e3510102 	cmp	r1, #-2147483648	; 0x80000000
    1150:	31510000 	cmpcc	r1, r0
    1154:	31a01081 	lslcc	r1, r1, #1
    1158:	31a03083 	lslcc	r3, r3, #1
    115c:	3afffffa 	bcc	114c <__aeabi_uidiv+0x40>
    1160:	e3a02000 	mov	r2, #0
    1164:	e1500001 	cmp	r0, r1
    1168:	20400001 	subcs	r0, r0, r1
    116c:	21822003 	orrcs	r2, r2, r3
    1170:	e15000a1 	cmp	r0, r1, lsr #1
    1174:	204000a1 	subcs	r0, r0, r1, lsr #1
    1178:	218220a3 	orrcs	r2, r2, r3, lsr #1
    117c:	e1500121 	cmp	r0, r1, lsr #2
    1180:	20400121 	subcs	r0, r0, r1, lsr #2
    1184:	21822123 	orrcs	r2, r2, r3, lsr #2
    1188:	e15001a1 	cmp	r0, r1, lsr #3
    118c:	204001a1 	subcs	r0, r0, r1, lsr #3
    1190:	218221a3 	orrcs	r2, r2, r3, lsr #3
    1194:	e3500000 	cmp	r0, #0
    1198:	11b03223 	lsrsne	r3, r3, #4
    119c:	11a01221 	lsrne	r1, r1, #4
    11a0:	1affffef 	bne	1164 <__aeabi_uidiv+0x58>
    11a4:	e1a00002 	mov	r0, r2
    11a8:	e12fff1e 	bx	lr
    11ac:	03a00001 	moveq	r0, #1
    11b0:	13a00000 	movne	r0, #0
    11b4:	e12fff1e 	bx	lr
    11b8:	e3510801 	cmp	r1, #65536	; 0x10000
    11bc:	21a01821 	lsrcs	r1, r1, #16
    11c0:	23a02010 	movcs	r2, #16
    11c4:	33a02000 	movcc	r2, #0
    11c8:	e3510c01 	cmp	r1, #256	; 0x100
    11cc:	21a01421 	lsrcs	r1, r1, #8
    11d0:	22822008 	addcs	r2, r2, #8
    11d4:	e3510010 	cmp	r1, #16
    11d8:	21a01221 	lsrcs	r1, r1, #4
    11dc:	22822004 	addcs	r2, r2, #4
    11e0:	e3510004 	cmp	r1, #4
    11e4:	82822003 	addhi	r2, r2, #3
    11e8:	908220a1 	addls	r2, r2, r1, lsr #1
    11ec:	e1a00230 	lsr	r0, r0, r2
    11f0:	e12fff1e 	bx	lr
    11f4:	e3500000 	cmp	r0, #0
    11f8:	13e00000 	mvnne	r0, #0
    11fc:	ea000007 	b	1220 <__aeabi_idiv0>

00001200 <__aeabi_uidivmod>:
    1200:	e3510000 	cmp	r1, #0
    1204:	0afffffa 	beq	11f4 <__aeabi_uidiv+0xe8>
    1208:	e92d4003 	push	{r0, r1, lr}
    120c:	ebffffbe 	bl	110c <__aeabi_uidiv>
    1210:	e8bd4006 	pop	{r1, r2, lr}
    1214:	e0030092 	mul	r3, r2, r0
    1218:	e0411003 	sub	r1, r1, r3
    121c:	e12fff1e 	bx	lr

00001220 <__aeabi_idiv0>:
    1220:	e12fff1e 	bx	lr