--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/usr/ls.asm	Sun Feb 04 17:54:49 2018 +0900
@@ -0,0 +1,1541 @@
+
+_ls:     file format elf32-littlearm
+
+
+Disassembly of section .text:
+
+00000000 <fmtname>:
+#include "user.h"
+#include "fs.h"
+
+char*
+fmtname(char *path)
+{
+       0:	e92d4800 	push	{fp, lr}
+       4:	e1a0b00d 	mov	fp, sp
+       8:	e24dd030 	sub	sp, sp, #48	; 0x30
+       c:	e1a01000 	mov	r1, r0
+      10:	e50b0008 	str	r0, [fp, #-8]
+      14:	e51b0008 	ldr	r0, [fp, #-8]
+      18:	e50b0010 	str	r0, [fp, #-16]
+      1c:	e50b1014 	str	r1, [fp, #-20]	; 0xffffffec
+      20:	eb00013f 	bl	524 <strlen>
+      24:	e51b1010 	ldr	r1, [fp, #-16]
+      28:	e0810000 	add	r0, r1, r0
+      2c:	e50b000c 	str	r0, [fp, #-12]
+      30:	eaffffff 	b	34 <fmtname+0x34>
+      34:	e51b000c 	ldr	r0, [fp, #-12]
+      38:	e51b1008 	ldr	r1, [fp, #-8]
+      3c:	e3a02000 	mov	r2, #0
+      40:	e1500001 	cmp	r0, r1
+      44:	e58d2018 	str	r2, [sp, #24]
+      48:	3a000007 	bcc	6c <fmtname+0x6c>
+      4c:	eaffffff 	b	50 <fmtname+0x50>
+      50:	e51b000c 	ldr	r0, [fp, #-12]
+      54:	e5d00000 	ldrb	r0, [r0]
+      58:	e3a01000 	mov	r1, #0
+      5c:	e350002f 	cmp	r0, #47	; 0x2f
+      60:	13a01001 	movne	r1, #1
+      64:	e58d1018 	str	r1, [sp, #24]
+      68:	eaffffff 	b	6c <fmtname+0x6c>
+      6c:	e59d0018 	ldr	r0, [sp, #24]
+      70:	e3100001 	tst	r0, #1
+      74:	0a000005 	beq	90 <fmtname+0x90>
+      78:	eaffffff 	b	7c <fmtname+0x7c>
+      7c:	eaffffff 	b	80 <fmtname+0x80>
+      80:	e51b000c 	ldr	r0, [fp, #-12]
+      84:	e2400001 	sub	r0, r0, #1
+      88:	e50b000c 	str	r0, [fp, #-12]
+      8c:	eaffffe8 	b	34 <fmtname+0x34>
+      90:	e51b000c 	ldr	r0, [fp, #-12]
+      94:	e2800001 	add	r0, r0, #1
+      98:	e50b000c 	str	r0, [fp, #-12]
+      9c:	e51b000c 	ldr	r0, [fp, #-12]
+      a0:	eb00011f 	bl	524 <strlen>
+      a4:	e350000e 	cmp	r0, #14
+      a8:	3a000003 	bcc	bc <fmtname+0xbc>
+      ac:	eaffffff 	b	b0 <fmtname+0xb0>
+      b0:	e51b000c 	ldr	r0, [fp, #-12]
+      b4:	e50b0004 	str	r0, [fp, #-4]
+      b8:	ea00001b 	b	12c <fmtname+0x12c>
+      bc:	e51b000c 	ldr	r0, [fp, #-12]
+      c0:	e58d0014 	str	r0, [sp, #20]
+      c4:	eb000116 	bl	524 <strlen>
+      c8:	e59fe068 	ldr	lr, [pc, #104]	; 138 <fmtname+0x138>
+      cc:	e58d0010 	str	r0, [sp, #16]
+      d0:	e1a0000e 	mov	r0, lr
+      d4:	e59d1014 	ldr	r1, [sp, #20]
+      d8:	e59d2010 	ldr	r2, [sp, #16]
+      dc:	e58de00c 	str	lr, [sp, #12]
+      e0:	eb000218 	bl	948 <memmove>
+      e4:	e51b100c 	ldr	r1, [fp, #-12]
+      e8:	e58d0008 	str	r0, [sp, #8]
+      ec:	e1a00001 	mov	r0, r1
+      f0:	eb00010b 	bl	524 <strlen>
+      f4:	e59d100c 	ldr	r1, [sp, #12]
+      f8:	e0810000 	add	r0, r1, r0
+      fc:	e51b200c 	ldr	r2, [fp, #-12]
+     100:	e58d0004 	str	r0, [sp, #4]
+     104:	e1a00002 	mov	r0, r2
+     108:	eb000105 	bl	524 <strlen>
+     10c:	e260200e 	rsb	r2, r0, #14
+     110:	e3a01020 	mov	r1, #32
+     114:	e59d0004 	ldr	r0, [sp, #4]
+     118:	eb000116 	bl	578 <memset>
+     11c:	e59d100c 	ldr	r1, [sp, #12]
+     120:	e50b1004 	str	r1, [fp, #-4]
+     124:	e58d0000 	str	r0, [sp]
+     128:	eaffffff 	b	12c <fmtname+0x12c>
+     12c:	e51b0004 	ldr	r0, [fp, #-4]
+     130:	e1a0d00b 	mov	sp, fp
+     134:	e8bd8800 	pop	{fp, pc}
+     138:	00001604 	.word	0x00001604
+
+0000013c <ls>:
+     13c:	e92d4830 	push	{r4, r5, fp, lr}
+     140:	e28db008 	add	fp, sp, #8
+     144:	e24dde26 	sub	sp, sp, #608	; 0x260
+     148:	e1a01000 	mov	r1, r0
+     14c:	e50b000c 	str	r0, [fp, #-12]
+     150:	e51b000c 	ldr	r0, [fp, #-12]
+     154:	e3a02000 	mov	r2, #0
+     158:	e58d102c 	str	r1, [sp, #44]	; 0x2c
+     15c:	e1a01002 	mov	r1, r2
+     160:	eb00026d 	bl	b1c <open>
+     164:	e58d0054 	str	r0, [sp, #84]	; 0x54
+     168:	e3500000 	cmp	r0, #0
+     16c:	aa000005 	bge	188 <ls+0x4c>
+     170:	eaffffff 	b	174 <ls+0x38>
+     174:	e51b200c 	ldr	r2, [fp, #-12]
+     178:	e59f11f8 	ldr	r1, [pc, #504]	; 378 <ls+0x23c>
+     17c:	e3a00002 	mov	r0, #2
+     180:	eb0002d1 	bl	ccc <printf>
+     184:	ea000076 	b	364 <ls+0x228>
+     188:	e59d0054 	ldr	r0, [sp, #84]	; 0x54
+     18c:	e28d1030 	add	r1, sp, #48	; 0x30
+     190:	eb00027c 	bl	b88 <fstat>
+     194:	e3500000 	cmp	r0, #0
+     198:	aa000008 	bge	1c0 <ls+0x84>
+     19c:	eaffffff 	b	1a0 <ls+0x64>
+     1a0:	e51b200c 	ldr	r2, [fp, #-12]
+     1a4:	e59f11c4 	ldr	r1, [pc, #452]	; 370 <ls+0x234>
+     1a8:	e3a00002 	mov	r0, #2
+     1ac:	eb0002c6 	bl	ccc <printf>
+     1b0:	e59d0054 	ldr	r0, [sp, #84]	; 0x54
+     1b4:	eb00023d 	bl	ab0 <close>
+     1b8:	e58d0028 	str	r0, [sp, #40]	; 0x28
+     1bc:	ea000068 	b	364 <ls+0x228>
+     1c0:	e1dd03f0 	ldrsh	r0, [sp, #48]	; 0x30
+     1c4:	e3500001 	cmp	r0, #1
+     1c8:	e58d0024 	str	r0, [sp, #36]	; 0x24
+     1cc:	0a000013 	beq	220 <ls+0xe4>
+     1d0:	eaffffff 	b	1d4 <ls+0x98>
+     1d4:	e59d0024 	ldr	r0, [sp, #36]	; 0x24
+     1d8:	e3500002 	cmp	r0, #2
+     1dc:	1a00005c 	bne	354 <ls+0x218>
+     1e0:	eaffffff 	b	1e4 <ls+0xa8>
+     1e4:	e51b000c 	ldr	r0, [fp, #-12]
+     1e8:	ebffff84 	bl	0 <fmtname>
+     1ec:	e1dd33f0 	ldrsh	r3, [sp, #48]	; 0x30
+     1f0:	e59de038 	ldr	lr, [sp, #56]	; 0x38
+     1f4:	e59d1040 	ldr	r1, [sp, #64]	; 0x40
+     1f8:	e1a0200d 	mov	r2, sp
+     1fc:	e5821004 	str	r1, [r2, #4]
+     200:	e582e000 	str	lr, [r2]
+     204:	e59f1160 	ldr	r1, [pc, #352]	; 36c <ls+0x230>
+     208:	e3a02001 	mov	r2, #1
+     20c:	e58d0020 	str	r0, [sp, #32]
+     210:	e1a00002 	mov	r0, r2
+     214:	e59d2020 	ldr	r2, [sp, #32]
+     218:	eb0002ab 	bl	ccc <printf>
+     21c:	ea00004c 	b	354 <ls+0x218>
+     220:	e51b000c 	ldr	r0, [fp, #-12]
+     224:	eb0000be 	bl	524 <strlen>
+     228:	e2800010 	add	r0, r0, #16
+     22c:	e3500c02 	cmp	r0, #512	; 0x200
+     230:	9a000004 	bls	248 <ls+0x10c>
+     234:	eaffffff 	b	238 <ls+0xfc>
+     238:	e59f1134 	ldr	r1, [pc, #308]	; 374 <ls+0x238>
+     23c:	e3a00001 	mov	r0, #1
+     240:	eb0002a1 	bl	ccc <printf>
+     244:	ea000042 	b	354 <ls+0x218>
+     248:	e51b100c 	ldr	r1, [fp, #-12]
+     24c:	e28d005c 	add	r0, sp, #92	; 0x5c
+     250:	e58d001c 	str	r0, [sp, #28]
+     254:	eb00006f 	bl	418 <strcpy>
+     258:	e59d101c 	ldr	r1, [sp, #28]
+     25c:	e58d0018 	str	r0, [sp, #24]
+     260:	e1a00001 	mov	r0, r1
+     264:	eb0000ae 	bl	524 <strlen>
+     268:	e59d101c 	ldr	r1, [sp, #28]
+     26c:	e0810000 	add	r0, r1, r0
+     270:	e58d0058 	str	r0, [sp, #88]	; 0x58
+     274:	e59d0058 	ldr	r0, [sp, #88]	; 0x58
+     278:	e280e001 	add	lr, r0, #1
+     27c:	e58de058 	str	lr, [sp, #88]	; 0x58
+     280:	e3a0e02f 	mov	lr, #47	; 0x2f
+     284:	e5c0e000 	strb	lr, [r0]
+     288:	eaffffff 	b	28c <ls+0x150>
+     28c:	e59d0054 	ldr	r0, [sp, #84]	; 0x54
+     290:	e28d1044 	add	r1, sp, #68	; 0x44
+     294:	e3a02010 	mov	r2, #16
+     298:	eb0001f2 	bl	a68 <read>
+     29c:	e3500010 	cmp	r0, #16
+     2a0:	1a00002a 	bne	350 <ls+0x214>
+     2a4:	eaffffff 	b	2a8 <ls+0x16c>
+     2a8:	e1dd04b4 	ldrh	r0, [sp, #68]	; 0x44
+     2ac:	e3500000 	cmp	r0, #0
+     2b0:	1a000001 	bne	2bc <ls+0x180>
+     2b4:	eaffffff 	b	2b8 <ls+0x17c>
+     2b8:	eafffff3 	b	28c <ls+0x150>
+     2bc:	e59d0058 	ldr	r0, [sp, #88]	; 0x58
+     2c0:	e28d1044 	add	r1, sp, #68	; 0x44
+     2c4:	e3811002 	orr	r1, r1, #2
+     2c8:	e3a0200e 	mov	r2, #14
+     2cc:	eb00019d 	bl	948 <memmove>
+     2d0:	e59d1058 	ldr	r1, [sp, #88]	; 0x58
+     2d4:	e3a02000 	mov	r2, #0
+     2d8:	e5c1200e 	strb	r2, [r1, #14]
+     2dc:	e28d105c 	add	r1, sp, #92	; 0x5c
+     2e0:	e28d2030 	add	r2, sp, #48	; 0x30
+     2e4:	e58d0014 	str	r0, [sp, #20]
+     2e8:	e1a00001 	mov	r0, r1
+     2ec:	e1a01002 	mov	r1, r2
+     2f0:	eb00014d 	bl	82c <stat>
+     2f4:	e3500000 	cmp	r0, #0
+     2f8:	aa000005 	bge	314 <ls+0x1d8>
+     2fc:	eaffffff 	b	300 <ls+0x1c4>
+     300:	e59f1068 	ldr	r1, [pc, #104]	; 370 <ls+0x234>
+     304:	e3a00001 	mov	r0, #1
+     308:	e28d205c 	add	r2, sp, #92	; 0x5c
+     30c:	eb00026e 	bl	ccc <printf>
+     310:	eaffffdd 	b	28c <ls+0x150>
+     314:	e28d005c 	add	r0, sp, #92	; 0x5c
+     318:	ebffff38 	bl	0 <fmtname>
+     31c:	e1dd33f0 	ldrsh	r3, [sp, #48]	; 0x30
+     320:	e59de038 	ldr	lr, [sp, #56]	; 0x38
+     324:	e59d1040 	ldr	r1, [sp, #64]	; 0x40
+     328:	e1a0200d 	mov	r2, sp
+     32c:	e5821004 	str	r1, [r2, #4]
+     330:	e582e000 	str	lr, [r2]
+     334:	e59f1030 	ldr	r1, [pc, #48]	; 36c <ls+0x230>
+     338:	e3a02001 	mov	r2, #1
+     33c:	e58d0010 	str	r0, [sp, #16]
+     340:	e1a00002 	mov	r0, r2
+     344:	e59d2010 	ldr	r2, [sp, #16]
+     348:	eb00025f 	bl	ccc <printf>
+     34c:	eaffffce 	b	28c <ls+0x150>
+     350:	eaffffff 	b	354 <ls+0x218>
+     354:	e59d0054 	ldr	r0, [sp, #84]	; 0x54
+     358:	eb0001d4 	bl	ab0 <close>
+     35c:	e58d000c 	str	r0, [sp, #12]
+     360:	eaffffff 	b	364 <ls+0x228>
+     364:	e24bd008 	sub	sp, fp, #8
+     368:	e8bd8830 	pop	{r4, r5, fp, pc}
+     36c:	000015bc 	.word	0x000015bc
+     370:	000015a8 	.word	0x000015a8
+     374:	000015c9 	.word	0x000015c9
+     378:	00001594 	.word	0x00001594
+
+0000037c <main>:
+    close(fd);
+}
+
+int
+main(int argc, char *argv[])
+{
+     37c:	e92d4800 	push	{fp, lr}
+     380:	e1a0b00d 	mov	fp, sp
+     384:	e24dd020 	sub	sp, sp, #32
+     388:	e1a02001 	mov	r2, r1
+     38c:	e1a03000 	mov	r3, r0
+     390:	e3a0c000 	mov	ip, #0
+     394:	e50bc004 	str	ip, [fp, #-4]
+     398:	e50b0008 	str	r0, [fp, #-8]
+     39c:	e50b100c 	str	r1, [fp, #-12]
+    int i;
+    
+    if(argc < 2){
+     3a0:	e51b0008 	ldr	r0, [fp, #-8]
+     3a4:	e3500001 	cmp	r0, #1
+     3a8:	e58d200c 	str	r2, [sp, #12]
+     3ac:	e58d3008 	str	r3, [sp, #8]
+     3b0:	ca000004 	bgt	3c8 <main+0x4c>
+     3b4:	eaffffff 	b	3b8 <main+0x3c>
+        ls(".");
+     3b8:	e59f0054 	ldr	r0, [pc, #84]	; 414 <main+0x98>
+     3bc:	ebffff5e 	bl	13c <ls>
+        exit();
+     3c0:	eb00018d 	bl	9fc <exit>
+     3c4:	e58d0004 	str	r0, [sp, #4]
+    }
+    for(i=1; i<argc; i++)
+     3c8:	e3a00001 	mov	r0, #1
+     3cc:	e58d0010 	str	r0, [sp, #16]
+     3d0:	eaffffff 	b	3d4 <main+0x58>
+     3d4:	e59d0010 	ldr	r0, [sp, #16]
+     3d8:	e51b1008 	ldr	r1, [fp, #-8]
+     3dc:	e1500001 	cmp	r0, r1
+     3e0:	aa000009 	bge	40c <main+0x90>
+     3e4:	eaffffff 	b	3e8 <main+0x6c>
+        ls(argv[i]);
+     3e8:	e51b000c 	ldr	r0, [fp, #-12]
+     3ec:	e59d1010 	ldr	r1, [sp, #16]
+     3f0:	e7900101 	ldr	r0, [r0, r1, lsl #2]
+     3f4:	ebffff50 	bl	13c <ls>
+     3f8:	eaffffff 	b	3fc <main+0x80>
+    for(i=1; i<argc; i++)
+     3fc:	e59d0010 	ldr	r0, [sp, #16]
+     400:	e2800001 	add	r0, r0, #1
+     404:	e58d0010 	str	r0, [sp, #16]
+     408:	eafffff1 	b	3d4 <main+0x58>
+    exit();
+     40c:	eb00017a 	bl	9fc <exit>
+     410:	e58d0000 	str	r0, [sp]
+     414:	000015dc 	.word	0x000015dc
+
+00000418 <strcpy>:
+#include "fcntl.h"
+#include "user.h"
+
+char*
+strcpy(char *s, char *t)
+{
+     418:	e24dd014 	sub	sp, sp, #20
+     41c:	e1a02001 	mov	r2, r1
+     420:	e1a03000 	mov	r3, r0
+     424:	e58d0010 	str	r0, [sp, #16]
+     428:	e58d100c 	str	r1, [sp, #12]
+     42c:	e59d0010 	ldr	r0, [sp, #16]
+     430:	e58d0008 	str	r0, [sp, #8]
+     434:	e58d2004 	str	r2, [sp, #4]
+     438:	e58d3000 	str	r3, [sp]
+     43c:	eaffffff 	b	440 <strcpy+0x28>
+     440:	e59d000c 	ldr	r0, [sp, #12]
+     444:	e2801001 	add	r1, r0, #1
+     448:	e58d100c 	str	r1, [sp, #12]
+     44c:	e5d00000 	ldrb	r0, [r0]
+     450:	e59d1010 	ldr	r1, [sp, #16]
+     454:	e2812001 	add	r2, r1, #1
+     458:	e58d2010 	str	r2, [sp, #16]
+     45c:	e5c10000 	strb	r0, [r1]
+     460:	e3500000 	cmp	r0, #0
+     464:	0a000001 	beq	470 <strcpy+0x58>
+     468:	eaffffff 	b	46c <strcpy+0x54>
+     46c:	eafffff3 	b	440 <strcpy+0x28>
+     470:	e59d0008 	ldr	r0, [sp, #8]
+     474:	e28dd014 	add	sp, sp, #20
+     478:	e12fff1e 	bx	lr
+
+0000047c <strcmp>:
+     47c:	e24dd014 	sub	sp, sp, #20
+     480:	e1a02001 	mov	r2, r1
+     484:	e1a03000 	mov	r3, r0
+     488:	e58d0010 	str	r0, [sp, #16]
+     48c:	e58d100c 	str	r1, [sp, #12]
+     490:	e58d2008 	str	r2, [sp, #8]
+     494:	e58d3004 	str	r3, [sp, #4]
+     498:	eaffffff 	b	49c <strcmp+0x20>
+     49c:	e59d0010 	ldr	r0, [sp, #16]
+     4a0:	e5d00000 	ldrb	r0, [r0]
+     4a4:	e3a01000 	mov	r1, #0
+     4a8:	e3500000 	cmp	r0, #0
+     4ac:	e58d1000 	str	r1, [sp]
+     4b0:	0a000009 	beq	4dc <strcmp+0x60>
+     4b4:	eaffffff 	b	4b8 <strcmp+0x3c>
+     4b8:	e59d0010 	ldr	r0, [sp, #16]
+     4bc:	e5d00000 	ldrb	r0, [r0]
+     4c0:	e59d100c 	ldr	r1, [sp, #12]
+     4c4:	e5d11000 	ldrb	r1, [r1]
+     4c8:	e3a02000 	mov	r2, #0
+     4cc:	e1500001 	cmp	r0, r1
+     4d0:	03a02001 	moveq	r2, #1
+     4d4:	e58d2000 	str	r2, [sp]
+     4d8:	eaffffff 	b	4dc <strcmp+0x60>
+     4dc:	e59d0000 	ldr	r0, [sp]
+     4e0:	e3100001 	tst	r0, #1
+     4e4:	0a000007 	beq	508 <strcmp+0x8c>
+     4e8:	eaffffff 	b	4ec <strcmp+0x70>
+     4ec:	e59d0010 	ldr	r0, [sp, #16]
+     4f0:	e2800001 	add	r0, r0, #1
+     4f4:	e58d0010 	str	r0, [sp, #16]
+     4f8:	e59d000c 	ldr	r0, [sp, #12]
+     4fc:	e2800001 	add	r0, r0, #1
+     500:	e58d000c 	str	r0, [sp, #12]
+     504:	eaffffe4 	b	49c <strcmp+0x20>
+     508:	e59d0010 	ldr	r0, [sp, #16]
+     50c:	e5d00000 	ldrb	r0, [r0]
+     510:	e59d100c 	ldr	r1, [sp, #12]
+     514:	e5d11000 	ldrb	r1, [r1]
+     518:	e0400001 	sub	r0, r0, r1
+     51c:	e28dd014 	add	sp, sp, #20
+     520:	e12fff1e 	bx	lr
+
+00000524 <strlen>:
+     524:	e24dd00c 	sub	sp, sp, #12
+     528:	e1a01000 	mov	r1, r0
+     52c:	e58d0008 	str	r0, [sp, #8]
+     530:	e3a00000 	mov	r0, #0
+     534:	e58d0004 	str	r0, [sp, #4]
+     538:	e58d1000 	str	r1, [sp]
+     53c:	eaffffff 	b	540 <strlen+0x1c>
+     540:	e59d0008 	ldr	r0, [sp, #8]
+     544:	e59d1004 	ldr	r1, [sp, #4]
+     548:	e7d00001 	ldrb	r0, [r0, r1]
+     54c:	e3500000 	cmp	r0, #0
+     550:	0a000005 	beq	56c <strlen+0x48>
+     554:	eaffffff 	b	558 <strlen+0x34>
+     558:	eaffffff 	b	55c <strlen+0x38>
+     55c:	e59d0004 	ldr	r0, [sp, #4]
+     560:	e2800001 	add	r0, r0, #1
+     564:	e58d0004 	str	r0, [sp, #4]
+     568:	eafffff4 	b	540 <strlen+0x1c>
+     56c:	e59d0004 	ldr	r0, [sp, #4]
+     570:	e28dd00c 	add	sp, sp, #12
+     574:	e12fff1e 	bx	lr
+
+00000578 <memset>:
+     578:	e92d4800 	push	{fp, lr}
+     57c:	e1a0b00d 	mov	fp, sp
+     580:	e24dd02c 	sub	sp, sp, #44	; 0x2c
+     584:	e1a03002 	mov	r3, r2
+     588:	e1a0c001 	mov	ip, r1
+     58c:	e1a0e000 	mov	lr, r0
+     590:	e50b0004 	str	r0, [fp, #-4]
+     594:	e50b1008 	str	r1, [fp, #-8]
+     598:	e50b200c 	str	r2, [fp, #-12]
+     59c:	e51b0004 	ldr	r0, [fp, #-4]
+     5a0:	e50b0010 	str	r0, [fp, #-16]
+     5a4:	e51b0008 	ldr	r0, [fp, #-8]
+     5a8:	e54b0011 	strb	r0, [fp, #-17]	; 0xffffffef
+     5ac:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
+     5b0:	e1a01c00 	lsl	r1, r0, #24
+     5b4:	e1811800 	orr	r1, r1, r0, lsl #16
+     5b8:	e1811400 	orr	r1, r1, r0, lsl #8
+     5bc:	e1810000 	orr	r0, r1, r0
+     5c0:	e58d0014 	str	r0, [sp, #20]
+     5c4:	e58d300c 	str	r3, [sp, #12]
+     5c8:	e58dc008 	str	ip, [sp, #8]
+     5cc:	e58de004 	str	lr, [sp, #4]
+     5d0:	eaffffff 	b	5d4 <memset+0x5c>
+     5d4:	e51b000c 	ldr	r0, [fp, #-12]
+     5d8:	e3a01000 	mov	r1, #0
+     5dc:	e3500000 	cmp	r0, #0
+     5e0:	e58d1000 	str	r1, [sp]
+     5e4:	0a000006 	beq	604 <memset+0x8c>
+     5e8:	eaffffff 	b	5ec <memset+0x74>
+     5ec:	e55b0010 	ldrb	r0, [fp, #-16]
+     5f0:	e2000003 	and	r0, r0, #3
+     5f4:	e3500000 	cmp	r0, #0
+     5f8:	13a00001 	movne	r0, #1
+     5fc:	e58d0000 	str	r0, [sp]
+     600:	eaffffff 	b	604 <memset+0x8c>
+     604:	e59d0000 	ldr	r0, [sp]
+     608:	e3100001 	tst	r0, #1
+     60c:	0a00000b 	beq	640 <memset+0xc8>
+     610:	eaffffff 	b	614 <memset+0x9c>
+     614:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
+     618:	e51b1010 	ldr	r1, [fp, #-16]
+     61c:	e5c10000 	strb	r0, [r1]
+     620:	eaffffff 	b	624 <memset+0xac>
+     624:	e51b000c 	ldr	r0, [fp, #-12]
+     628:	e2400001 	sub	r0, r0, #1
+     62c:	e50b000c 	str	r0, [fp, #-12]
+     630:	e51b0010 	ldr	r0, [fp, #-16]
+     634:	e2800001 	add	r0, r0, #1
+     638:	e50b0010 	str	r0, [fp, #-16]
+     63c:	eaffffe4 	b	5d4 <memset+0x5c>
+     640:	e51b0010 	ldr	r0, [fp, #-16]
+     644:	e58d0010 	str	r0, [sp, #16]
+     648:	eaffffff 	b	64c <memset+0xd4>
+     64c:	e51b000c 	ldr	r0, [fp, #-12]
+     650:	e3500004 	cmp	r0, #4
+     654:	3a00000b 	bcc	688 <memset+0x110>
+     658:	eaffffff 	b	65c <memset+0xe4>
+     65c:	e59d0014 	ldr	r0, [sp, #20]
+     660:	e59d1010 	ldr	r1, [sp, #16]
+     664:	e5810000 	str	r0, [r1]
+     668:	eaffffff 	b	66c <memset+0xf4>
+     66c:	e51b000c 	ldr	r0, [fp, #-12]
+     670:	e2400004 	sub	r0, r0, #4
+     674:	e50b000c 	str	r0, [fp, #-12]
+     678:	e59d0010 	ldr	r0, [sp, #16]
+     67c:	e2800004 	add	r0, r0, #4
+     680:	e58d0010 	str	r0, [sp, #16]
+     684:	eafffff0 	b	64c <memset+0xd4>
+     688:	e59d0010 	ldr	r0, [sp, #16]
+     68c:	e50b0010 	str	r0, [fp, #-16]
+     690:	eaffffff 	b	694 <memset+0x11c>
+     694:	e51b000c 	ldr	r0, [fp, #-12]
+     698:	e3500000 	cmp	r0, #0
+     69c:	0a00000b 	beq	6d0 <memset+0x158>
+     6a0:	eaffffff 	b	6a4 <memset+0x12c>
+     6a4:	e55b0011 	ldrb	r0, [fp, #-17]	; 0xffffffef
+     6a8:	e51b1010 	ldr	r1, [fp, #-16]
+     6ac:	e5c10000 	strb	r0, [r1]
+     6b0:	eaffffff 	b	6b4 <memset+0x13c>
+     6b4:	e51b000c 	ldr	r0, [fp, #-12]
+     6b8:	e2400001 	sub	r0, r0, #1
+     6bc:	e50b000c 	str	r0, [fp, #-12]
+     6c0:	e51b0010 	ldr	r0, [fp, #-16]
+     6c4:	e2800001 	add	r0, r0, #1
+     6c8:	e50b0010 	str	r0, [fp, #-16]
+     6cc:	eafffff0 	b	694 <memset+0x11c>
+     6d0:	e51b0004 	ldr	r0, [fp, #-4]
+     6d4:	e1a0d00b 	mov	sp, fp
+     6d8:	e8bd8800 	pop	{fp, pc}
+
+000006dc <strchr>:
+     6dc:	e24dd014 	sub	sp, sp, #20
+     6e0:	e1a02001 	mov	r2, r1
+     6e4:	e1a03000 	mov	r3, r0
+     6e8:	e58d000c 	str	r0, [sp, #12]
+     6ec:	e5cd100b 	strb	r1, [sp, #11]
+     6f0:	e58d2004 	str	r2, [sp, #4]
+     6f4:	e58d3000 	str	r3, [sp]
+     6f8:	eaffffff 	b	6fc <strchr+0x20>
+     6fc:	e59d000c 	ldr	r0, [sp, #12]
+     700:	e5d00000 	ldrb	r0, [r0]
+     704:	e3500000 	cmp	r0, #0
+     708:	0a00000e 	beq	748 <strchr+0x6c>
+     70c:	eaffffff 	b	710 <strchr+0x34>
+     710:	e59d000c 	ldr	r0, [sp, #12]
+     714:	e5d00000 	ldrb	r0, [r0]
+     718:	e5dd100b 	ldrb	r1, [sp, #11]
+     71c:	e1500001 	cmp	r0, r1
+     720:	1a000003 	bne	734 <strchr+0x58>
+     724:	eaffffff 	b	728 <strchr+0x4c>
+     728:	e59d000c 	ldr	r0, [sp, #12]
+     72c:	e58d0010 	str	r0, [sp, #16]
+     730:	ea000007 	b	754 <strchr+0x78>
+     734:	eaffffff 	b	738 <strchr+0x5c>
+     738:	e59d000c 	ldr	r0, [sp, #12]
+     73c:	e2800001 	add	r0, r0, #1
+     740:	e58d000c 	str	r0, [sp, #12]
+     744:	eaffffec 	b	6fc <strchr+0x20>
+     748:	e3a00000 	mov	r0, #0
+     74c:	e58d0010 	str	r0, [sp, #16]
+     750:	eaffffff 	b	754 <strchr+0x78>
+     754:	e59d0010 	ldr	r0, [sp, #16]
+     758:	e28dd014 	add	sp, sp, #20
+     75c:	e12fff1e 	bx	lr
+
+00000760 <gets>:
+     760:	e92d4800 	push	{fp, lr}
+     764:	e1a0b00d 	mov	fp, sp
+     768:	e24dd020 	sub	sp, sp, #32
+     76c:	e1a02001 	mov	r2, r1
+     770:	e1a03000 	mov	r3, r0
+     774:	e50b0004 	str	r0, [fp, #-4]
+     778:	e50b1008 	str	r1, [fp, #-8]
+     77c:	e3a00000 	mov	r0, #0
+     780:	e50b000c 	str	r0, [fp, #-12]
+     784:	e58d2008 	str	r2, [sp, #8]
+     788:	e58d3004 	str	r3, [sp, #4]
+     78c:	eaffffff 	b	790 <gets+0x30>
+     790:	e51b000c 	ldr	r0, [fp, #-12]
+     794:	e2800001 	add	r0, r0, #1
+     798:	e51b1008 	ldr	r1, [fp, #-8]
+     79c:	e1500001 	cmp	r0, r1
+     7a0:	aa00001a 	bge	810 <gets+0xb0>
+     7a4:	eaffffff 	b	7a8 <gets+0x48>
+     7a8:	e3a00000 	mov	r0, #0
+     7ac:	e28d100f 	add	r1, sp, #15
+     7b0:	e3a02001 	mov	r2, #1
+     7b4:	eb0000ab 	bl	a68 <read>
+     7b8:	e58d0010 	str	r0, [sp, #16]
+     7bc:	e59d0010 	ldr	r0, [sp, #16]
+     7c0:	e3500000 	cmp	r0, #0
+     7c4:	ca000001 	bgt	7d0 <gets+0x70>
+     7c8:	eaffffff 	b	7cc <gets+0x6c>
+     7cc:	ea00000f 	b	810 <gets+0xb0>
+     7d0:	e5dd000f 	ldrb	r0, [sp, #15]
+     7d4:	e51b1004 	ldr	r1, [fp, #-4]
+     7d8:	e51b200c 	ldr	r2, [fp, #-12]
+     7dc:	e2823001 	add	r3, r2, #1
+     7e0:	e50b300c 	str	r3, [fp, #-12]
+     7e4:	e7c10002 	strb	r0, [r1, r2]
+     7e8:	e5dd000f 	ldrb	r0, [sp, #15]
+     7ec:	e350000a 	cmp	r0, #10
+     7f0:	0a000004 	beq	808 <gets+0xa8>
+     7f4:	eaffffff 	b	7f8 <gets+0x98>
+     7f8:	e5dd000f 	ldrb	r0, [sp, #15]
+     7fc:	e350000d 	cmp	r0, #13
+     800:	1a000001 	bne	80c <gets+0xac>
+     804:	eaffffff 	b	808 <gets+0xa8>
+     808:	ea000000 	b	810 <gets+0xb0>
+     80c:	eaffffdf 	b	790 <gets+0x30>
+     810:	e51b0004 	ldr	r0, [fp, #-4]
+     814:	e51b100c 	ldr	r1, [fp, #-12]
+     818:	e3a02000 	mov	r2, #0
+     81c:	e7c02001 	strb	r2, [r0, r1]
+     820:	e51b0004 	ldr	r0, [fp, #-4]
+     824:	e1a0d00b 	mov	sp, fp
+     828:	e8bd8800 	pop	{fp, pc}
+
+0000082c <stat>:
+     82c:	e92d4800 	push	{fp, lr}
+     830:	e1a0b00d 	mov	fp, sp
+     834:	e24dd020 	sub	sp, sp, #32
+     838:	e1a02001 	mov	r2, r1
+     83c:	e1a03000 	mov	r3, r0
+     840:	e50b0008 	str	r0, [fp, #-8]
+     844:	e50b100c 	str	r1, [fp, #-12]
+     848:	e51b0008 	ldr	r0, [fp, #-8]
+     84c:	e3a01000 	mov	r1, #0
+     850:	e58d2008 	str	r2, [sp, #8]
+     854:	e58d3004 	str	r3, [sp, #4]
+     858:	eb0000af 	bl	b1c <open>
+     85c:	e58d0010 	str	r0, [sp, #16]
+     860:	e59d0010 	ldr	r0, [sp, #16]
+     864:	e3500000 	cmp	r0, #0
+     868:	aa000003 	bge	87c <stat+0x50>
+     86c:	eaffffff 	b	870 <stat+0x44>
+     870:	e3e00000 	mvn	r0, #0
+     874:	e50b0004 	str	r0, [fp, #-4]
+     878:	ea000009 	b	8a4 <stat+0x78>
+     87c:	e59d0010 	ldr	r0, [sp, #16]
+     880:	e51b100c 	ldr	r1, [fp, #-12]
+     884:	eb0000bf 	bl	b88 <fstat>
+     888:	e58d000c 	str	r0, [sp, #12]
+     88c:	e59d0010 	ldr	r0, [sp, #16]
+     890:	eb000086 	bl	ab0 <close>
+     894:	e59d100c 	ldr	r1, [sp, #12]
+     898:	e50b1004 	str	r1, [fp, #-4]
+     89c:	e58d0000 	str	r0, [sp]
+     8a0:	eaffffff 	b	8a4 <stat+0x78>
+     8a4:	e51b0004 	ldr	r0, [fp, #-4]
+     8a8:	e1a0d00b 	mov	sp, fp
+     8ac:	e8bd8800 	pop	{fp, pc}
+
+000008b0 <atoi>:
+     8b0:	e24dd010 	sub	sp, sp, #16
+     8b4:	e1a01000 	mov	r1, r0
+     8b8:	e58d000c 	str	r0, [sp, #12]
+     8bc:	e3a00000 	mov	r0, #0
+     8c0:	e58d0008 	str	r0, [sp, #8]
+     8c4:	e58d1004 	str	r1, [sp, #4]
+     8c8:	eaffffff 	b	8cc <atoi+0x1c>
+     8cc:	e59d000c 	ldr	r0, [sp, #12]
+     8d0:	e5d00000 	ldrb	r0, [r0]
+     8d4:	e3a01000 	mov	r1, #0
+     8d8:	e3500030 	cmp	r0, #48	; 0x30
+     8dc:	e58d1000 	str	r1, [sp]
+     8e0:	ba000007 	blt	904 <atoi+0x54>
+     8e4:	eaffffff 	b	8e8 <atoi+0x38>
+     8e8:	e59d000c 	ldr	r0, [sp, #12]
+     8ec:	e5d00000 	ldrb	r0, [r0]
+     8f0:	e3a01000 	mov	r1, #0
+     8f4:	e350003a 	cmp	r0, #58	; 0x3a
+     8f8:	b3a01001 	movlt	r1, #1
+     8fc:	e58d1000 	str	r1, [sp]
+     900:	eaffffff 	b	904 <atoi+0x54>
+     904:	e59d0000 	ldr	r0, [sp]
+     908:	e3100001 	tst	r0, #1
+     90c:	0a00000a 	beq	93c <atoi+0x8c>
+     910:	eaffffff 	b	914 <atoi+0x64>
+     914:	e59d0008 	ldr	r0, [sp, #8]
+     918:	e0800100 	add	r0, r0, r0, lsl #2
+     91c:	e59d100c 	ldr	r1, [sp, #12]
+     920:	e2812001 	add	r2, r1, #1
+     924:	e58d200c 	str	r2, [sp, #12]
+     928:	e5d11000 	ldrb	r1, [r1]
+     92c:	e0810080 	add	r0, r1, r0, lsl #1
+     930:	e2400030 	sub	r0, r0, #48	; 0x30
+     934:	e58d0008 	str	r0, [sp, #8]
+     938:	eaffffe3 	b	8cc <atoi+0x1c>
+     93c:	e59d0008 	ldr	r0, [sp, #8]
+     940:	e28dd010 	add	sp, sp, #16
+     944:	e12fff1e 	bx	lr
+
+00000948 <memmove>:
+     948:	e92d4800 	push	{fp, lr}
+     94c:	e1a0b00d 	mov	fp, sp
+     950:	e24dd020 	sub	sp, sp, #32
+     954:	e1a03002 	mov	r3, r2
+     958:	e1a0c001 	mov	ip, r1
+     95c:	e1a0e000 	mov	lr, r0
+     960:	e50b0004 	str	r0, [fp, #-4]
+     964:	e50b1008 	str	r1, [fp, #-8]
+     968:	e50b200c 	str	r2, [fp, #-12]
+     96c:	e51b0004 	ldr	r0, [fp, #-4]
+     970:	e58d0010 	str	r0, [sp, #16]
+     974:	e51b0008 	ldr	r0, [fp, #-8]
+     978:	e58d000c 	str	r0, [sp, #12]
+     97c:	e58d3008 	str	r3, [sp, #8]
+     980:	e58dc004 	str	ip, [sp, #4]
+     984:	e58de000 	str	lr, [sp]
+     988:	eaffffff 	b	98c <memmove+0x44>
+     98c:	e51b000c 	ldr	r0, [fp, #-12]
+     990:	e2401001 	sub	r1, r0, #1
+     994:	e50b100c 	str	r1, [fp, #-12]
+     998:	e3500001 	cmp	r0, #1
+     99c:	ba000009 	blt	9c8 <memmove+0x80>
+     9a0:	eaffffff 	b	9a4 <memmove+0x5c>
+     9a4:	e59d000c 	ldr	r0, [sp, #12]
+     9a8:	e2801001 	add	r1, r0, #1
+     9ac:	e58d100c 	str	r1, [sp, #12]
+     9b0:	e5d00000 	ldrb	r0, [r0]
+     9b4:	e59d1010 	ldr	r1, [sp, #16]
+     9b8:	e2812001 	add	r2, r1, #1
+     9bc:	e58d2010 	str	r2, [sp, #16]
+     9c0:	e5c10000 	strb	r0, [r1]
+     9c4:	eafffff0 	b	98c <memmove+0x44>
+     9c8:	e51b0004 	ldr	r0, [fp, #-4]
+     9cc:	e1a0d00b 	mov	sp, fp
+     9d0:	e8bd8800 	pop	{fp, pc}
+
+000009d4 <raise>:
+    return vdst;
+}
+
+void
+raise()
+{}
+     9d4:	e12fff1e 	bx	lr
+
+000009d8 <fork>:
+     9d8:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     9dc:	e1a04003 	mov	r4, r3
+     9e0:	e1a03002 	mov	r3, r2
+     9e4:	e1a02001 	mov	r2, r1
+     9e8:	e1a01000 	mov	r1, r0
+     9ec:	e3a00001 	mov	r0, #1
+     9f0:	ef000000 	svc	0x00000000
+     9f4:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     9f8:	e12fff1e 	bx	lr
+
+000009fc <exit>:
+     9fc:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     a00:	e1a04003 	mov	r4, r3
+     a04:	e1a03002 	mov	r3, r2
+     a08:	e1a02001 	mov	r2, r1
+     a0c:	e1a01000 	mov	r1, r0
+     a10:	e3a00002 	mov	r0, #2
+     a14:	ef000000 	svc	0x00000000
+     a18:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     a1c:	e12fff1e 	bx	lr
+
+00000a20 <wait>:
+     a20:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     a24:	e1a04003 	mov	r4, r3
+     a28:	e1a03002 	mov	r3, r2
+     a2c:	e1a02001 	mov	r2, r1
+     a30:	e1a01000 	mov	r1, r0
+     a34:	e3a00003 	mov	r0, #3
+     a38:	ef000000 	svc	0x00000000
+     a3c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     a40:	e12fff1e 	bx	lr
+
+00000a44 <pipe>:
+     a44:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     a48:	e1a04003 	mov	r4, r3
+     a4c:	e1a03002 	mov	r3, r2
+     a50:	e1a02001 	mov	r2, r1
+     a54:	e1a01000 	mov	r1, r0
+     a58:	e3a00004 	mov	r0, #4
+     a5c:	ef000000 	svc	0x00000000
+     a60:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     a64:	e12fff1e 	bx	lr
+
+00000a68 <read>:
+     a68:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     a6c:	e1a04003 	mov	r4, r3
+     a70:	e1a03002 	mov	r3, r2
+     a74:	e1a02001 	mov	r2, r1
+     a78:	e1a01000 	mov	r1, r0
+     a7c:	e3a00005 	mov	r0, #5
+     a80:	ef000000 	svc	0x00000000
+     a84:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     a88:	e12fff1e 	bx	lr
+
+00000a8c <write>:
+     a8c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     a90:	e1a04003 	mov	r4, r3
+     a94:	e1a03002 	mov	r3, r2
+     a98:	e1a02001 	mov	r2, r1
+     a9c:	e1a01000 	mov	r1, r0
+     aa0:	e3a00010 	mov	r0, #16
+     aa4:	ef000000 	svc	0x00000000
+     aa8:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     aac:	e12fff1e 	bx	lr
+
+00000ab0 <close>:
+     ab0:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     ab4:	e1a04003 	mov	r4, r3
+     ab8:	e1a03002 	mov	r3, r2
+     abc:	e1a02001 	mov	r2, r1
+     ac0:	e1a01000 	mov	r1, r0
+     ac4:	e3a00015 	mov	r0, #21
+     ac8:	ef000000 	svc	0x00000000
+     acc:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     ad0:	e12fff1e 	bx	lr
+
+00000ad4 <kill>:
+     ad4:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     ad8:	e1a04003 	mov	r4, r3
+     adc:	e1a03002 	mov	r3, r2
+     ae0:	e1a02001 	mov	r2, r1
+     ae4:	e1a01000 	mov	r1, r0
+     ae8:	e3a00006 	mov	r0, #6
+     aec:	ef000000 	svc	0x00000000
+     af0:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     af4:	e12fff1e 	bx	lr
+
+00000af8 <exec>:
+     af8:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     afc:	e1a04003 	mov	r4, r3
+     b00:	e1a03002 	mov	r3, r2
+     b04:	e1a02001 	mov	r2, r1
+     b08:	e1a01000 	mov	r1, r0
+     b0c:	e3a00007 	mov	r0, #7
+     b10:	ef000000 	svc	0x00000000
+     b14:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     b18:	e12fff1e 	bx	lr
+
+00000b1c <open>:
+     b1c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     b20:	e1a04003 	mov	r4, r3
+     b24:	e1a03002 	mov	r3, r2
+     b28:	e1a02001 	mov	r2, r1
+     b2c:	e1a01000 	mov	r1, r0
+     b30:	e3a0000f 	mov	r0, #15
+     b34:	ef000000 	svc	0x00000000
+     b38:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     b3c:	e12fff1e 	bx	lr
+
+00000b40 <mknod>:
+     b40:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     b44:	e1a04003 	mov	r4, r3
+     b48:	e1a03002 	mov	r3, r2
+     b4c:	e1a02001 	mov	r2, r1
+     b50:	e1a01000 	mov	r1, r0
+     b54:	e3a00011 	mov	r0, #17
+     b58:	ef000000 	svc	0x00000000
+     b5c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     b60:	e12fff1e 	bx	lr
+
+00000b64 <unlink>:
+     b64:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     b68:	e1a04003 	mov	r4, r3
+     b6c:	e1a03002 	mov	r3, r2
+     b70:	e1a02001 	mov	r2, r1
+     b74:	e1a01000 	mov	r1, r0
+     b78:	e3a00012 	mov	r0, #18
+     b7c:	ef000000 	svc	0x00000000
+     b80:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     b84:	e12fff1e 	bx	lr
+
+00000b88 <fstat>:
+     b88:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     b8c:	e1a04003 	mov	r4, r3
+     b90:	e1a03002 	mov	r3, r2
+     b94:	e1a02001 	mov	r2, r1
+     b98:	e1a01000 	mov	r1, r0
+     b9c:	e3a00008 	mov	r0, #8
+     ba0:	ef000000 	svc	0x00000000
+     ba4:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     ba8:	e12fff1e 	bx	lr
+
+00000bac <link>:
+     bac:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     bb0:	e1a04003 	mov	r4, r3
+     bb4:	e1a03002 	mov	r3, r2
+     bb8:	e1a02001 	mov	r2, r1
+     bbc:	e1a01000 	mov	r1, r0
+     bc0:	e3a00013 	mov	r0, #19
+     bc4:	ef000000 	svc	0x00000000
+     bc8:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     bcc:	e12fff1e 	bx	lr
+
+00000bd0 <mkdir>:
+     bd0:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     bd4:	e1a04003 	mov	r4, r3
+     bd8:	e1a03002 	mov	r3, r2
+     bdc:	e1a02001 	mov	r2, r1
+     be0:	e1a01000 	mov	r1, r0
+     be4:	e3a00014 	mov	r0, #20
+     be8:	ef000000 	svc	0x00000000
+     bec:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     bf0:	e12fff1e 	bx	lr
+
+00000bf4 <chdir>:
+     bf4:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     bf8:	e1a04003 	mov	r4, r3
+     bfc:	e1a03002 	mov	r3, r2
+     c00:	e1a02001 	mov	r2, r1
+     c04:	e1a01000 	mov	r1, r0
+     c08:	e3a00009 	mov	r0, #9
+     c0c:	ef000000 	svc	0x00000000
+     c10:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     c14:	e12fff1e 	bx	lr
+
+00000c18 <dup>:
+     c18:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     c1c:	e1a04003 	mov	r4, r3
+     c20:	e1a03002 	mov	r3, r2
+     c24:	e1a02001 	mov	r2, r1
+     c28:	e1a01000 	mov	r1, r0
+     c2c:	e3a0000a 	mov	r0, #10
+     c30:	ef000000 	svc	0x00000000
+     c34:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     c38:	e12fff1e 	bx	lr
+
+00000c3c <getpid>:
+     c3c:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     c40:	e1a04003 	mov	r4, r3
+     c44:	e1a03002 	mov	r3, r2
+     c48:	e1a02001 	mov	r2, r1
+     c4c:	e1a01000 	mov	r1, r0
+     c50:	e3a0000b 	mov	r0, #11
+     c54:	ef000000 	svc	0x00000000
+     c58:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     c5c:	e12fff1e 	bx	lr
+
+00000c60 <sbrk>:
+     c60:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     c64:	e1a04003 	mov	r4, r3
+     c68:	e1a03002 	mov	r3, r2
+     c6c:	e1a02001 	mov	r2, r1
+     c70:	e1a01000 	mov	r1, r0
+     c74:	e3a0000c 	mov	r0, #12
+     c78:	ef000000 	svc	0x00000000
+     c7c:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     c80:	e12fff1e 	bx	lr
+
+00000c84 <sleep>:
+     c84:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     c88:	e1a04003 	mov	r4, r3
+     c8c:	e1a03002 	mov	r3, r2
+     c90:	e1a02001 	mov	r2, r1
+     c94:	e1a01000 	mov	r1, r0
+     c98:	e3a0000d 	mov	r0, #13
+     c9c:	ef000000 	svc	0x00000000
+     ca0:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     ca4:	e12fff1e 	bx	lr
+
+00000ca8 <uptime>:
+     ca8:	e52d4004 	push	{r4}		; (str r4, [sp, #-4]!)
+     cac:	e1a04003 	mov	r4, r3
+     cb0:	e1a03002 	mov	r3, r2
+     cb4:	e1a02001 	mov	r2, r1
+     cb8:	e1a01000 	mov	r1, r0
+     cbc:	e3a0000e 	mov	r0, #14
+     cc0:	ef000000 	svc	0x00000000
+     cc4:	e49d4004 	pop	{r4}		; (ldr r4, [sp], #4)
+     cc8:	e12fff1e 	bx	lr
+
+00000ccc <printf>:
+}
+
+// Print to the given fd. Only understands %d, %x, %p, %s.
+void
+printf(int fd, char *fmt, ...)
+{
+     ccc:	e92d4800 	push	{fp, lr}
+     cd0:	e1a0b00d 	mov	fp, sp
+     cd4:	e24dd028 	sub	sp, sp, #40	; 0x28
+     cd8:	e1a02001 	mov	r2, r1
+     cdc:	e1a03000 	mov	r3, r0
+     ce0:	e50b0004 	str	r0, [fp, #-4]
+     ce4:	e50b1008 	str	r1, [fp, #-8]
+     ce8:	e3a00000 	mov	r0, #0
+     cec:	e58d0010 	str	r0, [sp, #16]
+     cf0:	e24b1008 	sub	r1, fp, #8
+     cf4:	e2811004 	add	r1, r1, #4
+     cf8:	e58d100c 	str	r1, [sp, #12]
+     cfc:	e58d0014 	str	r0, [sp, #20]
+     d00:	e58d2008 	str	r2, [sp, #8]
+     d04:	e58d3004 	str	r3, [sp, #4]
+     d08:	eaffffff 	b	d0c <printf+0x40>
+     d0c:	e51b0008 	ldr	r0, [fp, #-8]
+     d10:	e59d1014 	ldr	r1, [sp, #20]
+     d14:	e7d00001 	ldrb	r0, [r0, r1]
+     d18:	e3500000 	cmp	r0, #0
+     d1c:	0a00007e 	beq	f1c <printf+0x250>
+     d20:	eaffffff 	b	d24 <printf+0x58>
+     d24:	e51b0008 	ldr	r0, [fp, #-8]
+     d28:	e59d1014 	ldr	r1, [sp, #20]
+     d2c:	e7d00001 	ldrb	r0, [r0, r1]
+     d30:	e50b0010 	str	r0, [fp, #-16]
+     d34:	e59d0010 	ldr	r0, [sp, #16]
+     d38:	e3500000 	cmp	r0, #0
+     d3c:	1a00000c 	bne	d74 <printf+0xa8>
+     d40:	eaffffff 	b	d44 <printf+0x78>
+     d44:	e51b0010 	ldr	r0, [fp, #-16]
+     d48:	e3500025 	cmp	r0, #37	; 0x25
+     d4c:	1a000003 	bne	d60 <printf+0x94>
+     d50:	eaffffff 	b	d54 <printf+0x88>
+     d54:	e3a00025 	mov	r0, #37	; 0x25
+     d58:	e58d0010 	str	r0, [sp, #16]
+     d5c:	ea000003 	b	d70 <printf+0xa4>
+     d60:	e51b0004 	ldr	r0, [fp, #-4]
+     d64:	e55b1010 	ldrb	r1, [fp, #-16]
+     d68:	eb00006e 	bl	f28 <putc>
+     d6c:	eaffffff 	b	d70 <printf+0xa4>
+     d70:	ea000064 	b	f08 <printf+0x23c>
+     d74:	e59d0010 	ldr	r0, [sp, #16]
+     d78:	e3500025 	cmp	r0, #37	; 0x25
+     d7c:	1a000060 	bne	f04 <printf+0x238>
+     d80:	eaffffff 	b	d84 <printf+0xb8>
+     d84:	e51b0010 	ldr	r0, [fp, #-16]
+     d88:	e3500064 	cmp	r0, #100	; 0x64
+     d8c:	1a00000a 	bne	dbc <printf+0xf0>
+     d90:	eaffffff 	b	d94 <printf+0xc8>
+     d94:	e51b0004 	ldr	r0, [fp, #-4]
+     d98:	e59d100c 	ldr	r1, [sp, #12]
+     d9c:	e5911000 	ldr	r1, [r1]
+     da0:	e3a0200a 	mov	r2, #10
+     da4:	e3a03001 	mov	r3, #1
+     da8:	eb00006f 	bl	f6c <printint>
+     dac:	e59d000c 	ldr	r0, [sp, #12]
+     db0:	e2800004 	add	r0, r0, #4
+     db4:	e58d000c 	str	r0, [sp, #12]
+     db8:	ea00004e 	b	ef8 <printf+0x22c>
+     dbc:	e51b0010 	ldr	r0, [fp, #-16]
+     dc0:	e3500078 	cmp	r0, #120	; 0x78
+     dc4:	0a000004 	beq	ddc <printf+0x110>
+     dc8:	eaffffff 	b	dcc <printf+0x100>
+     dcc:	e51b0010 	ldr	r0, [fp, #-16]
+     dd0:	e3500070 	cmp	r0, #112	; 0x70
+     dd4:	1a00000a 	bne	e04 <printf+0x138>
+     dd8:	eaffffff 	b	ddc <printf+0x110>
+     ddc:	e51b0004 	ldr	r0, [fp, #-4]
+     de0:	e59d100c 	ldr	r1, [sp, #12]
+     de4:	e5911000 	ldr	r1, [r1]
+     de8:	e3a02010 	mov	r2, #16
+     dec:	e3a03000 	mov	r3, #0
+     df0:	eb00005d 	bl	f6c <printint>
+     df4:	e59d000c 	ldr	r0, [sp, #12]
+     df8:	e2800004 	add	r0, r0, #4
+     dfc:	e58d000c 	str	r0, [sp, #12]
+     e00:	ea00003b 	b	ef4 <printf+0x228>
+     e04:	e51b0010 	ldr	r0, [fp, #-16]
+     e08:	e3500073 	cmp	r0, #115	; 0x73
+     e0c:	1a00001a 	bne	e7c <printf+0x1b0>
+     e10:	eaffffff 	b	e14 <printf+0x148>
+     e14:	e59d000c 	ldr	r0, [sp, #12]
+     e18:	e4901004 	ldr	r1, [r0], #4
+     e1c:	e50b100c 	str	r1, [fp, #-12]
+     e20:	e58d000c 	str	r0, [sp, #12]
+     e24:	e51b000c 	ldr	r0, [fp, #-12]
+     e28:	e3500000 	cmp	r0, #0
+     e2c:	1a000003 	bne	e40 <printf+0x174>
+     e30:	eaffffff 	b	e34 <printf+0x168>
+     e34:	e59f00e8 	ldr	r0, [pc, #232]	; f24 <printf+0x258>
+     e38:	e50b000c 	str	r0, [fp, #-12]
+     e3c:	eaffffff 	b	e40 <printf+0x174>
+     e40:	eaffffff 	b	e44 <printf+0x178>
+     e44:	e51b000c 	ldr	r0, [fp, #-12]
+     e48:	e5d00000 	ldrb	r0, [r0]
+     e4c:	e3500000 	cmp	r0, #0
+     e50:	0a000008 	beq	e78 <printf+0x1ac>
+     e54:	eaffffff 	b	e58 <printf+0x18c>
+     e58:	e51b0004 	ldr	r0, [fp, #-4]
+     e5c:	e51b100c 	ldr	r1, [fp, #-12]
+     e60:	e5d11000 	ldrb	r1, [r1]
+     e64:	eb00002f 	bl	f28 <putc>
+     e68:	e51b000c 	ldr	r0, [fp, #-12]
+     e6c:	e2800001 	add	r0, r0, #1
+     e70:	e50b000c 	str	r0, [fp, #-12]
+     e74:	eafffff2 	b	e44 <printf+0x178>
+     e78:	ea00001c 	b	ef0 <printf+0x224>
+     e7c:	e51b0010 	ldr	r0, [fp, #-16]
+     e80:	e3500063 	cmp	r0, #99	; 0x63
+     e84:	1a000008 	bne	eac <printf+0x1e0>
+     e88:	eaffffff 	b	e8c <printf+0x1c0>
+     e8c:	e51b0004 	ldr	r0, [fp, #-4]
+     e90:	e59d100c 	ldr	r1, [sp, #12]
+     e94:	e5d11000 	ldrb	r1, [r1]
+     e98:	eb000022 	bl	f28 <putc>
+     e9c:	e59d000c 	ldr	r0, [sp, #12]
+     ea0:	e2800004 	add	r0, r0, #4
+     ea4:	e58d000c 	str	r0, [sp, #12]
+     ea8:	ea00000f 	b	eec <printf+0x220>
+     eac:	e51b0010 	ldr	r0, [fp, #-16]
+     eb0:	e3500025 	cmp	r0, #37	; 0x25
+     eb4:	1a000004 	bne	ecc <printf+0x200>
+     eb8:	eaffffff 	b	ebc <printf+0x1f0>
+     ebc:	e51b0004 	ldr	r0, [fp, #-4]
+     ec0:	e55b1010 	ldrb	r1, [fp, #-16]
+     ec4:	eb000017 	bl	f28 <putc>
+     ec8:	ea000006 	b	ee8 <printf+0x21c>
+     ecc:	e51b0004 	ldr	r0, [fp, #-4]
+     ed0:	e3a01025 	mov	r1, #37	; 0x25
+     ed4:	eb000013 	bl	f28 <putc>
+     ed8:	e51b0004 	ldr	r0, [fp, #-4]
+     edc:	e55b1010 	ldrb	r1, [fp, #-16]
+     ee0:	eb000010 	bl	f28 <putc>
+     ee4:	eaffffff 	b	ee8 <printf+0x21c>
+     ee8:	eaffffff 	b	eec <printf+0x220>
+     eec:	eaffffff 	b	ef0 <printf+0x224>
+     ef0:	eaffffff 	b	ef4 <printf+0x228>
+     ef4:	eaffffff 	b	ef8 <printf+0x22c>
+     ef8:	e3a00000 	mov	r0, #0
+     efc:	e58d0010 	str	r0, [sp, #16]
+     f00:	eaffffff 	b	f04 <printf+0x238>
+     f04:	eaffffff 	b	f08 <printf+0x23c>
+     f08:	eaffffff 	b	f0c <printf+0x240>
+     f0c:	e59d0014 	ldr	r0, [sp, #20]
+     f10:	e2800001 	add	r0, r0, #1
+     f14:	e58d0014 	str	r0, [sp, #20]
+     f18:	eaffff7b 	b	d0c <printf+0x40>
+     f1c:	e1a0d00b 	mov	sp, fp
+     f20:	e8bd8800 	pop	{fp, pc}
+     f24:	000015de 	.word	0x000015de
+
+00000f28 <putc>:
+{
+     f28:	e92d4800 	push	{fp, lr}
+     f2c:	e1a0b00d 	mov	fp, sp
+     f30:	e24dd018 	sub	sp, sp, #24
+     f34:	e1a02001 	mov	r2, r1
+     f38:	e1a03000 	mov	r3, r0
+     f3c:	e50b0004 	str	r0, [fp, #-4]
+     f40:	e54b1005 	strb	r1, [fp, #-5]
+    write(fd, &c, 1);
+     f44:	e51b0004 	ldr	r0, [fp, #-4]
+     f48:	e24b1005 	sub	r1, fp, #5
+     f4c:	e3a0c001 	mov	ip, #1
+     f50:	e58d200c 	str	r2, [sp, #12]
+     f54:	e1a0200c 	mov	r2, ip
+     f58:	e58d3008 	str	r3, [sp, #8]
+     f5c:	ebfffeca 	bl	a8c <write>
+}
+     f60:	e58d0004 	str	r0, [sp, #4]
+     f64:	e1a0d00b 	mov	sp, fp
+     f68:	e8bd8800 	pop	{fp, pc}
+
+00000f6c <printint>:
+{
+     f6c:	e92d4830 	push	{r4, r5, fp, lr}
+     f70:	e28db008 	add	fp, sp, #8
+     f74:	e24dd040 	sub	sp, sp, #64	; 0x40
+     f78:	e1a0c003 	mov	ip, r3
+     f7c:	e1a0e002 	mov	lr, r2
+     f80:	e1a04001 	mov	r4, r1
+     f84:	e1a05000 	mov	r5, r0
+     f88:	e50b000c 	str	r0, [fp, #-12]
+     f8c:	e50b1010 	str	r1, [fp, #-16]
+     f90:	e50b2014 	str	r2, [fp, #-20]	; 0xffffffec
+     f94:	e50b3018 	str	r3, [fp, #-24]	; 0xffffffe8
+     f98:	e3a00000 	mov	r0, #0
+     f9c:	e58d0018 	str	r0, [sp, #24]
+     fa0:	e51b0018 	ldr	r0, [fp, #-24]	; 0xffffffe8
+     fa4:	e3500000 	cmp	r0, #0
+     fa8:	e58dc010 	str	ip, [sp, #16]
+     fac:	e58de00c 	str	lr, [sp, #12]
+     fb0:	e58d4008 	str	r4, [sp, #8]
+     fb4:	e58d5004 	str	r5, [sp, #4]
+     fb8:	0a00000a 	beq	fe8 <printint+0x7c>
+     fbc:	eaffffff 	b	fc0 <printint+0x54>
+     fc0:	e51b0010 	ldr	r0, [fp, #-16]
+     fc4:	e3500000 	cmp	r0, #0
+     fc8:	aa000006 	bge	fe8 <printint+0x7c>
+     fcc:	eaffffff 	b	fd0 <printint+0x64>
+     fd0:	e3a00001 	mov	r0, #1
+     fd4:	e58d0018 	str	r0, [sp, #24]
+     fd8:	e51b0010 	ldr	r0, [fp, #-16]
+     fdc:	e2600000 	rsb	r0, r0, #0
+     fe0:	e58d0014 	str	r0, [sp, #20]
+     fe4:	ea000002 	b	ff4 <printint+0x88>
+     fe8:	e51b0010 	ldr	r0, [fp, #-16]
+     fec:	e58d0014 	str	r0, [sp, #20]
+     ff0:	eaffffff 	b	ff4 <printint+0x88>
+     ff4:	e3a00000 	mov	r0, #0
+     ff8:	e58d001c 	str	r0, [sp, #28]
+     ffc:	eaffffff 	b	1000 <printint+0x94>
+    1000:	e59d0014 	ldr	r0, [sp, #20]
+    1004:	e51b1014 	ldr	r1, [fp, #-20]	; 0xffffffec
+    1008:	eb000158 	bl	1570 <__aeabi_uidivmod>
+    100c:	e59fe0a0 	ldr	lr, [pc, #160]	; 10b4 <printint+0x148>
+    1010:	e7de1001 	ldrb	r1, [lr, r1]
+    1014:	e59de01c 	ldr	lr, [sp, #28]
+    1018:	e28e2001 	add	r2, lr, #1
+    101c:	e58d201c 	str	r2, [sp, #28]
+    1020:	e28d2020 	add	r2, sp, #32
+    1024:	e7c2100e 	strb	r1, [r2, lr]
+    1028:	e58d0000 	str	r0, [sp]
+    102c:	eaffffff 	b	1030 <printint+0xc4>
+    1030:	e51b1014 	ldr	r1, [fp, #-20]	; 0xffffffec
+    1034:	e59d0014 	ldr	r0, [sp, #20]
+    1038:	eb00010f 	bl	147c <__aeabi_uidiv>
+    103c:	e58d0014 	str	r0, [sp, #20]
+    1040:	e3500000 	cmp	r0, #0
+    1044:	1affffed 	bne	1000 <printint+0x94>
+    1048:	eaffffff 	b	104c <printint+0xe0>
+    104c:	e59d0018 	ldr	r0, [sp, #24]
+    1050:	e3500000 	cmp	r0, #0
+    1054:	0a000007 	beq	1078 <printint+0x10c>
+    1058:	eaffffff 	b	105c <printint+0xf0>
+    105c:	e59d001c 	ldr	r0, [sp, #28]
+    1060:	e2801001 	add	r1, r0, #1
+    1064:	e58d101c 	str	r1, [sp, #28]
+    1068:	e28d1020 	add	r1, sp, #32
+    106c:	e3a0202d 	mov	r2, #45	; 0x2d
+    1070:	e7c12000 	strb	r2, [r1, r0]
+    1074:	eaffffff 	b	1078 <printint+0x10c>
+    1078:	eaffffff 	b	107c <printint+0x110>
+    107c:	e59d001c 	ldr	r0, [sp, #28]
+    1080:	e2400001 	sub	r0, r0, #1
+    1084:	e58d001c 	str	r0, [sp, #28]
+    1088:	e3500000 	cmp	r0, #0
+    108c:	ba000006 	blt	10ac <printint+0x140>
+    1090:	eaffffff 	b	1094 <printint+0x128>
+    1094:	e51b000c 	ldr	r0, [fp, #-12]
+    1098:	e59d101c 	ldr	r1, [sp, #28]
+    109c:	e28d2020 	add	r2, sp, #32
+    10a0:	e7d21001 	ldrb	r1, [r2, r1]
+    10a4:	ebffff9f 	bl	f28 <putc>
+    10a8:	eafffff3 	b	107c <printint+0x110>
+    10ac:	e24bd008 	sub	sp, fp, #8
+    10b0:	e8bd8830 	pop	{r4, r5, fp, pc}
+    10b4:	000015f0 	.word	0x000015f0
+
+000010b8 <free>:
+static Header base;
+static Header *freep;
+
+void
+free(void *ap)
+{
+    10b8:	e24dd014 	sub	sp, sp, #20
+    10bc:	e1a01000 	mov	r1, r0
+    10c0:	e58d0010 	str	r0, [sp, #16]
+    10c4:	e59d0010 	ldr	r0, [sp, #16]
+    10c8:	e2400008 	sub	r0, r0, #8
+    10cc:	e58d000c 	str	r0, [sp, #12]
+    10d0:	e59f0188 	ldr	r0, [pc, #392]	; 1260 <free+0x1a8>
+    10d4:	e5900000 	ldr	r0, [r0]
+    10d8:	e58d0008 	str	r0, [sp, #8]
+    10dc:	e58d1004 	str	r1, [sp, #4]
+    10e0:	eaffffff 	b	10e4 <free+0x2c>
+    10e4:	e59d000c 	ldr	r0, [sp, #12]
+    10e8:	e59d1008 	ldr	r1, [sp, #8]
+    10ec:	e3a02000 	mov	r2, #0
+    10f0:	e1500001 	cmp	r0, r1
+    10f4:	e58d2000 	str	r2, [sp]
+    10f8:	9a000008 	bls	1120 <free+0x68>
+    10fc:	eaffffff 	b	1100 <free+0x48>
+    1100:	e59d000c 	ldr	r0, [sp, #12]
+    1104:	e59d1008 	ldr	r1, [sp, #8]
+    1108:	e5911000 	ldr	r1, [r1]
+    110c:	e3a02000 	mov	r2, #0
+    1110:	e1500001 	cmp	r0, r1
+    1114:	33a02001 	movcc	r2, #1
+    1118:	e58d2000 	str	r2, [sp]
+    111c:	eaffffff 	b	1120 <free+0x68>
+    1120:	e59d0000 	ldr	r0, [sp]
+    1124:	e1e00000 	mvn	r0, r0
+    1128:	e3100001 	tst	r0, #1
+    112c:	0a000016 	beq	118c <free+0xd4>
+    1130:	eaffffff 	b	1134 <free+0x7c>
+    1134:	e59d0008 	ldr	r0, [sp, #8]
+    1138:	e5901000 	ldr	r1, [r0]
+    113c:	e1500001 	cmp	r0, r1
+    1140:	3a00000c 	bcc	1178 <free+0xc0>
+    1144:	eaffffff 	b	1148 <free+0x90>
+    1148:	e59d000c 	ldr	r0, [sp, #12]
+    114c:	e59d1008 	ldr	r1, [sp, #8]
+    1150:	e1500001 	cmp	r0, r1
+    1154:	8a000006 	bhi	1174 <free+0xbc>
+    1158:	eaffffff 	b	115c <free+0xa4>
+    115c:	e59d000c 	ldr	r0, [sp, #12]
+    1160:	e59d1008 	ldr	r1, [sp, #8]
+    1164:	e5911000 	ldr	r1, [r1]
+    1168:	e1500001 	cmp	r0, r1
+    116c:	2a000001 	bcs	1178 <free+0xc0>
+    1170:	eaffffff 	b	1174 <free+0xbc>
+    1174:	ea000004 	b	118c <free+0xd4>
+    1178:	eaffffff 	b	117c <free+0xc4>
+    117c:	e59d0008 	ldr	r0, [sp, #8]
+    1180:	e5900000 	ldr	r0, [r0]
+    1184:	e58d0008 	str	r0, [sp, #8]
+    1188:	eaffffd5 	b	10e4 <free+0x2c>
+    118c:	e59d000c 	ldr	r0, [sp, #12]
+    1190:	e5901004 	ldr	r1, [r0, #4]
+    1194:	e0800181 	add	r0, r0, r1, lsl #3
+    1198:	e59d1008 	ldr	r1, [sp, #8]
+    119c:	e5911000 	ldr	r1, [r1]
+    11a0:	e1500001 	cmp	r0, r1
+    11a4:	1a00000d 	bne	11e0 <free+0x128>
+    11a8:	eaffffff 	b	11ac <free+0xf4>
+    11ac:	e59d0008 	ldr	r0, [sp, #8]
+    11b0:	e5900000 	ldr	r0, [r0]
+    11b4:	e5900004 	ldr	r0, [r0, #4]
+    11b8:	e59d100c 	ldr	r1, [sp, #12]
+    11bc:	e5912004 	ldr	r2, [r1, #4]
+    11c0:	e0820000 	add	r0, r2, r0
+    11c4:	e5810004 	str	r0, [r1, #4]
+    11c8:	e59d0008 	ldr	r0, [sp, #8]
+    11cc:	e5900000 	ldr	r0, [r0]
+    11d0:	e5900000 	ldr	r0, [r0]
+    11d4:	e59d100c 	ldr	r1, [sp, #12]
+    11d8:	e5810000 	str	r0, [r1]
+    11dc:	ea000004 	b	11f4 <free+0x13c>
+    11e0:	e59d0008 	ldr	r0, [sp, #8]
+    11e4:	e5900000 	ldr	r0, [r0]
+    11e8:	e59d100c 	ldr	r1, [sp, #12]
+    11ec:	e5810000 	str	r0, [r1]
+    11f0:	eaffffff 	b	11f4 <free+0x13c>
+    11f4:	e59d0008 	ldr	r0, [sp, #8]
+    11f8:	e5901004 	ldr	r1, [r0, #4]
+    11fc:	e0800181 	add	r0, r0, r1, lsl #3
+    1200:	e59d100c 	ldr	r1, [sp, #12]
+    1204:	e1500001 	cmp	r0, r1
+    1208:	1a00000b 	bne	123c <free+0x184>
+    120c:	eaffffff 	b	1210 <free+0x158>
+    1210:	e59d000c 	ldr	r0, [sp, #12]
+    1214:	e5900004 	ldr	r0, [r0, #4]
+    1218:	e59d1008 	ldr	r1, [sp, #8]
+    121c:	e5912004 	ldr	r2, [r1, #4]
+    1220:	e0820000 	add	r0, r2, r0
+    1224:	e5810004 	str	r0, [r1, #4]
+    1228:	e59d000c 	ldr	r0, [sp, #12]
+    122c:	e5900000 	ldr	r0, [r0]
+    1230:	e59d1008 	ldr	r1, [sp, #8]
+    1234:	e5810000 	str	r0, [r1]
+    1238:	ea000003 	b	124c <free+0x194>
+    123c:	e59d000c 	ldr	r0, [sp, #12]
+    1240:	e59d1008 	ldr	r1, [sp, #8]
+    1244:	e5810000 	str	r0, [r1]
+    1248:	eaffffff 	b	124c <free+0x194>
+    124c:	e59d0008 	ldr	r0, [sp, #8]
+    1250:	e59f1008 	ldr	r1, [pc, #8]	; 1260 <free+0x1a8>
+    1254:	e5810000 	str	r0, [r1]
+    1258:	e28dd014 	add	sp, sp, #20
+    125c:	e12fff1e 	bx	lr
+    1260:	00001614 	.word	0x00001614
+
+00001264 <malloc>:
+    1264:	e92d4800 	push	{fp, lr}
+    1268:	e1a0b00d 	mov	fp, sp
+    126c:	e24dd018 	sub	sp, sp, #24
+    1270:	e1a01000 	mov	r1, r0
+    1274:	e50b0008 	str	r0, [fp, #-8]
+    1278:	e51b0008 	ldr	r0, [fp, #-8]
+    127c:	e2800007 	add	r0, r0, #7
+    1280:	e3a02001 	mov	r2, #1
+    1284:	e08201a0 	add	r0, r2, r0, lsr #3
+    1288:	e58d0004 	str	r0, [sp, #4]
+    128c:	e59f013c 	ldr	r0, [pc, #316]	; 13d0 <malloc+0x16c>
+    1290:	e5900000 	ldr	r0, [r0]
+    1294:	e58d0008 	str	r0, [sp, #8]
+    1298:	e3500000 	cmp	r0, #0
+    129c:	e58d1000 	str	r1, [sp]
+    12a0:	1a000008 	bne	12c8 <malloc+0x64>
+    12a4:	eaffffff 	b	12a8 <malloc+0x44>
+    12a8:	e59f0124 	ldr	r0, [pc, #292]	; 13d4 <malloc+0x170>
+    12ac:	e58d0008 	str	r0, [sp, #8]
+    12b0:	e59f1118 	ldr	r1, [pc, #280]	; 13d0 <malloc+0x16c>
+    12b4:	e5810000 	str	r0, [r1]
+    12b8:	e5800000 	str	r0, [r0]
+    12bc:	e3a01000 	mov	r1, #0
+    12c0:	e5801004 	str	r1, [r0, #4]
+    12c4:	eaffffff 	b	12c8 <malloc+0x64>
+    12c8:	e59d0008 	ldr	r0, [sp, #8]
+    12cc:	e5900000 	ldr	r0, [r0]
+    12d0:	e58d000c 	str	r0, [sp, #12]
+    12d4:	eaffffff 	b	12d8 <malloc+0x74>
+    12d8:	e59d000c 	ldr	r0, [sp, #12]
+    12dc:	e5900004 	ldr	r0, [r0, #4]
+    12e0:	e59d1004 	ldr	r1, [sp, #4]
+    12e4:	e1500001 	cmp	r0, r1
+    12e8:	3a00001f 	bcc	136c <malloc+0x108>
+    12ec:	eaffffff 	b	12f0 <malloc+0x8c>
+    12f0:	e59d000c 	ldr	r0, [sp, #12]
+    12f4:	e5900004 	ldr	r0, [r0, #4]
+    12f8:	e59d1004 	ldr	r1, [sp, #4]
+    12fc:	e1500001 	cmp	r0, r1
+    1300:	1a000005 	bne	131c <malloc+0xb8>
+    1304:	eaffffff 	b	1308 <malloc+0xa4>
+    1308:	e59d000c 	ldr	r0, [sp, #12]
+    130c:	e5900000 	ldr	r0, [r0]
+    1310:	e59d1008 	ldr	r1, [sp, #8]
+    1314:	e5810000 	str	r0, [r1]
+    1318:	ea00000c 	b	1350 <malloc+0xec>
+    131c:	e59d0004 	ldr	r0, [sp, #4]
+    1320:	e59d100c 	ldr	r1, [sp, #12]
+    1324:	e5912004 	ldr	r2, [r1, #4]
+    1328:	e0420000 	sub	r0, r2, r0
+    132c:	e5810004 	str	r0, [r1, #4]
+    1330:	e59d000c 	ldr	r0, [sp, #12]
+    1334:	e5901004 	ldr	r1, [r0, #4]
+    1338:	e0800181 	add	r0, r0, r1, lsl #3
+    133c:	e58d000c 	str	r0, [sp, #12]
+    1340:	e59d0004 	ldr	r0, [sp, #4]
+    1344:	e59d100c 	ldr	r1, [sp, #12]
+    1348:	e5810004 	str	r0, [r1, #4]
+    134c:	eaffffff 	b	1350 <malloc+0xec>
+    1350:	e59d0008 	ldr	r0, [sp, #8]
+    1354:	e59f1074 	ldr	r1, [pc, #116]	; 13d0 <malloc+0x16c>
+    1358:	e5810000 	str	r0, [r1]
+    135c:	e59d000c 	ldr	r0, [sp, #12]
+    1360:	e2800008 	add	r0, r0, #8
+    1364:	e50b0004 	str	r0, [fp, #-4]
+    1368:	ea000015 	b	13c4 <malloc+0x160>
+    136c:	e59d000c 	ldr	r0, [sp, #12]
+    1370:	e59f1058 	ldr	r1, [pc, #88]	; 13d0 <malloc+0x16c>
+    1374:	e5911000 	ldr	r1, [r1]
+    1378:	e1500001 	cmp	r0, r1
+    137c:	1a00000a 	bne	13ac <malloc+0x148>
+    1380:	eaffffff 	b	1384 <malloc+0x120>
+    1384:	e59d0004 	ldr	r0, [sp, #4]
+    1388:	eb000012 	bl	13d8 <morecore>
+    138c:	e58d000c 	str	r0, [sp, #12]
+    1390:	e3500000 	cmp	r0, #0
+    1394:	1a000003 	bne	13a8 <malloc+0x144>
+    1398:	eaffffff 	b	139c <malloc+0x138>
+    139c:	e3a00000 	mov	r0, #0
+    13a0:	e50b0004 	str	r0, [fp, #-4]
+    13a4:	ea000006 	b	13c4 <malloc+0x160>
+    13a8:	eaffffff 	b	13ac <malloc+0x148>
+    13ac:	eaffffff 	b	13b0 <malloc+0x14c>
+    13b0:	e59d000c 	ldr	r0, [sp, #12]
+    13b4:	e58d0008 	str	r0, [sp, #8]
+    13b8:	e5900000 	ldr	r0, [r0]
+    13bc:	e58d000c 	str	r0, [sp, #12]
+    13c0:	eaffffc4 	b	12d8 <malloc+0x74>
+    13c4:	e51b0004 	ldr	r0, [fp, #-4]
+    13c8:	e1a0d00b 	mov	sp, fp
+    13cc:	e8bd8800 	pop	{fp, pc}
+    13d0:	00001614 	.word	0x00001614
+    13d4:	00001618 	.word	0x00001618
+
+000013d8 <morecore>:
+    freep = p;
+}
+
+static Header*
+morecore(uint nu)
+{
+    13d8:	e92d4800 	push	{fp, lr}
+    13dc:	e1a0b00d 	mov	fp, sp
+    13e0:	e24dd018 	sub	sp, sp, #24
+    13e4:	e1a01000 	mov	r1, r0
+    13e8:	e50b0008 	str	r0, [fp, #-8]
+    char *p;
+    Header *hp;
+    
+    if(nu < 4096)
+    13ec:	e51b0008 	ldr	r0, [fp, #-8]
+    13f0:	e3a02000 	mov	r2, #0
+    13f4:	e1520620 	cmp	r2, r0, lsr #12
+    13f8:	e58d1004 	str	r1, [sp, #4]
+    13fc:	1a000003 	bne	1410 <morecore+0x38>
+    1400:	eaffffff 	b	1404 <morecore+0x2c>
+        nu = 4096;
+    1404:	e3a00a01 	mov	r0, #4096	; 0x1000
+    1408:	e50b0008 	str	r0, [fp, #-8]
+    140c:	eaffffff 	b	1410 <morecore+0x38>
+    p = sbrk(nu * sizeof(Header));
+    1410:	e51b0008 	ldr	r0, [fp, #-8]
+    1414:	e1a00180 	lsl	r0, r0, #3
+    1418:	ebfffe10 	bl	c60 <sbrk>
+    141c:	e58d000c 	str	r0, [sp, #12]
+    if(p == (char*)-1)
+    1420:	e59d000c 	ldr	r0, [sp, #12]
+    1424:	e3700001 	cmn	r0, #1
+    1428:	1a000003 	bne	143c <morecore+0x64>
+    142c:	eaffffff 	b	1430 <morecore+0x58>
+        return 0;
+    1430:	e3a00000 	mov	r0, #0
+    1434:	e50b0004 	str	r0, [fp, #-4]
+    1438:	ea00000b 	b	146c <morecore+0x94>
+    hp = (Header*)p;
+    143c:	e59d000c 	ldr	r0, [sp, #12]
+    1440:	e58d0008 	str	r0, [sp, #8]
+    hp->s.size = nu;
+    1444:	e51b0008 	ldr	r0, [fp, #-8]
+    1448:	e59d1008 	ldr	r1, [sp, #8]
+    144c:	e5810004 	str	r0, [r1, #4]
+    free((void*)(hp + 1));
+    1450:	e59d0008 	ldr	r0, [sp, #8]
+    1454:	e2800008 	add	r0, r0, #8
+    1458:	ebffff16 	bl	10b8 <free>
+    return freep;
+    145c:	e59f0014 	ldr	r0, [pc, #20]	; 1478 <morecore+0xa0>
+    1460:	e5900000 	ldr	r0, [r0]
+    1464:	e50b0004 	str	r0, [fp, #-4]
+    1468:	eaffffff 	b	146c <morecore+0x94>
+}
+    146c:	e51b0004 	ldr	r0, [fp, #-4]
+    1470:	e1a0d00b 	mov	sp, fp
+    1474:	e8bd8800 	pop	{fp, pc}
+    1478:	00001614 	.word	0x00001614
+
+0000147c <__aeabi_uidiv>:
+    147c:	e2512001 	subs	r2, r1, #1
+    1480:	012fff1e 	bxeq	lr
+    1484:	3a000036 	bcc	1564 <__aeabi_uidiv+0xe8>
+    1488:	e1500001 	cmp	r0, r1
+    148c:	9a000022 	bls	151c <__aeabi_uidiv+0xa0>
+    1490:	e1110002 	tst	r1, r2
+    1494:	0a000023 	beq	1528 <__aeabi_uidiv+0xac>
+    1498:	e311020e 	tst	r1, #-536870912	; 0xe0000000
+    149c:	01a01181 	lsleq	r1, r1, #3
+    14a0:	03a03008 	moveq	r3, #8
+    14a4:	13a03001 	movne	r3, #1
+    14a8:	e3510201 	cmp	r1, #268435456	; 0x10000000
+    14ac:	31510000 	cmpcc	r1, r0
+    14b0:	31a01201 	lslcc	r1, r1, #4
+    14b4:	31a03203 	lslcc	r3, r3, #4
+    14b8:	3afffffa 	bcc	14a8 <__aeabi_uidiv+0x2c>
+    14bc:	e3510102 	cmp	r1, #-2147483648	; 0x80000000
+    14c0:	31510000 	cmpcc	r1, r0
+    14c4:	31a01081 	lslcc	r1, r1, #1
+    14c8:	31a03083 	lslcc	r3, r3, #1
+    14cc:	3afffffa 	bcc	14bc <__aeabi_uidiv+0x40>
+    14d0:	e3a02000 	mov	r2, #0
+    14d4:	e1500001 	cmp	r0, r1
+    14d8:	20400001 	subcs	r0, r0, r1
+    14dc:	21822003 	orrcs	r2, r2, r3
+    14e0:	e15000a1 	cmp	r0, r1, lsr #1
+    14e4:	204000a1 	subcs	r0, r0, r1, lsr #1
+    14e8:	218220a3 	orrcs	r2, r2, r3, lsr #1
+    14ec:	e1500121 	cmp	r0, r1, lsr #2
+    14f0:	20400121 	subcs	r0, r0, r1, lsr #2
+    14f4:	21822123 	orrcs	r2, r2, r3, lsr #2
+    14f8:	e15001a1 	cmp	r0, r1, lsr #3
+    14fc:	204001a1 	subcs	r0, r0, r1, lsr #3
+    1500:	218221a3 	orrcs	r2, r2, r3, lsr #3
+    1504:	e3500000 	cmp	r0, #0
+    1508:	11b03223 	lsrsne	r3, r3, #4
+    150c:	11a01221 	lsrne	r1, r1, #4
+    1510:	1affffef 	bne	14d4 <__aeabi_uidiv+0x58>
+    1514:	e1a00002 	mov	r0, r2
+    1518:	e12fff1e 	bx	lr
+    151c:	03a00001 	moveq	r0, #1
+    1520:	13a00000 	movne	r0, #0
+    1524:	e12fff1e 	bx	lr
+    1528:	e3510801 	cmp	r1, #65536	; 0x10000
+    152c:	21a01821 	lsrcs	r1, r1, #16
+    1530:	23a02010 	movcs	r2, #16
+    1534:	33a02000 	movcc	r2, #0
+    1538:	e3510c01 	cmp	r1, #256	; 0x100
+    153c:	21a01421 	lsrcs	r1, r1, #8
+    1540:	22822008 	addcs	r2, r2, #8
+    1544:	e3510010 	cmp	r1, #16
+    1548:	21a01221 	lsrcs	r1, r1, #4
+    154c:	22822004 	addcs	r2, r2, #4
+    1550:	e3510004 	cmp	r1, #4
+    1554:	82822003 	addhi	r2, r2, #3
+    1558:	908220a1 	addls	r2, r2, r1, lsr #1
+    155c:	e1a00230 	lsr	r0, r0, r2
+    1560:	e12fff1e 	bx	lr
+    1564:	e3500000 	cmp	r0, #0
+    1568:	13e00000 	mvnne	r0, #0
+    156c:	ea000007 	b	1590 <__aeabi_idiv0>
+
+00001570 <__aeabi_uidivmod>:
+    1570:	e3510000 	cmp	r1, #0
+    1574:	0afffffa 	beq	1564 <__aeabi_uidiv+0xe8>
+    1578:	e92d4003 	push	{r0, r1, lr}
+    157c:	ebffffbe 	bl	147c <__aeabi_uidiv>
+    1580:	e8bd4006 	pop	{r1, r2, lr}
+    1584:	e0030092 	mul	r3, r2, r0
+    1588:	e0411003 	sub	r1, r1, r3
+    158c:	e12fff1e 	bx	lr
+
+00001590 <__aeabi_idiv0>:
+    1590:	e12fff1e 	bx	lr