log

自己编写的ARM处理器的指令集仿真

hello:     file format elf32-littlearm

Disassembly of section .text:

00000000 <_mainCRTStartup>:
       0:	e3a00016 	mov	r0, #22	; 0x16
       4:	e28f10c4 	add	r1, pc, #196	; 0xc4
       8:	ef123456 	swi	0x00123456
       c:	e59f00bc 	ldr	r0, [pc, #bc]	; d0 <*ABS*+0xd0>
      10:	e590d008 	ldr	sp, [r0, #8]
      14:	e590a00c 	ldr	sl, [r0, #12]
      18:	e28aac01 	add	sl, sl, #256	; 0x100
      1c:	e3a01000 	mov	r1, #0	; 0x0
      20:	e1a0b001 	mov	fp, r1
      24:	e1a07001 	mov	r7, r1
      28:	e59f00a4 	ldr	r0, [pc, #a4]	; d4 <*ABS*+0xd4>
      2c:	e59f20a4 	ldr	r2, [pc, #a4]	; d8 <*ABS*+0xd8>
      30:	e0422000 	sub	r2, r2, r0
      34:	eb000270 	bl	9fc <memset>
      38:	eb00031e 	bl	cb8 <initialise_monitor_handles>
      3c:	e3a00015 	mov	r0, #21	; 0x15
      40:	e28f1094 	add	r1, pc, #148	; 0x94
      44:	ef123456 	swi	0x00123456
      48:	e59f108c 	ldr	r1, [pc, #8c]	; dc <*ABS*+0xdc>
      4c:	e3a00000 	mov	r0, #0	; 0x0
      50:	e4d13001 	ldrb	r3, [r1], #1
      54:	e3530000 	cmp	r3, #0	; 0x0
      58:	0a000011 	beq	a4 <*ABS*+0xa4>
      5c:	e3530020 	cmp	r3, #32	; 0x20
      60:	0afffffa 	beq	50 <*ABS*+0x50>
      64:	e3530022 	cmp	r3, #34	; 0x22
      68:	13530027 	cmpne	r3, #39	; 0x27
      6c:	01a02003 	moveq	r2, r3
      70:	13a02020 	movne	r2, #32	; 0x20
      74:	12411001 	subne	r1, r1, #1	; 0x1
      78:	e92d0002 	stmdb	sp!, {r1}
      7c:	e2800001 	add	r0, r0, #1	; 0x1
      80:	e4d13001 	ldrb	r3, [r1], #1
      84:	e3530000 	cmp	r3, #0	; 0x0
      88:	0a000005 	beq	a4 <*ABS*+0xa4>
      8c:	e1520003 	cmp	r2, r3
      90:	1afffffa 	bne	80 <*ABS*+0x80>
      94:	e3a02000 	mov	r2, #0	; 0x0
      98:	e2413001 	sub	r3, r1, #1	; 0x1
      9c:	e5c32000 	strb	r2, [r3]
      a0:	eaffffea 	b	50 <*ABS*+0x50>
      a4:	e1a0100d 	mov	r1, sp
      a8:	e08d2100 	add	r2, sp, r0, lsl #2
      ac:	e1a0300d 	mov	r3, sp
      b0:	e1520003 	cmp	r2, r3
      b4:	85124004 	ldrhi	r4, [r2, -#4]
      b8:	85935000 	ldrhi	r5, [r3]
      bc:	85225004 	strhi	r5, [r2, -#4]!
      c0:	84834004 	strhi	r4, [r3], #4
      c4:	8afffff9 	bhi	b0 <*ABS*+0xb0>
      c8:	eb000005 	bl	e4 <main>
      cc:	eb00006c 	bl	284 <exit>
      d0:	00008c38 	andeq	r8, r0, r8, lsr ip
      d4:	0000949c 	muleq	r0, ip, r4
      d8:	0000957c 	andeq	r9, r0, ip, ror r5
      dc:	00008c48 	andeq	r8, r0, r8, asr #24
      e0:	000000ff 	streqd	r0, [r0], -pc

000000e4 <main>:
      e4:	e1a0c00d 	mov	ip, sp
      e8:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
      ec:	e24cb004 	sub	fp, ip, #4	; 0x4
      f0:	eb000037 	bl	1d4 <__gccmain>
      f4:	e59f0004 	ldr	r0, [pc, #4]	; 100 <main+0x1c>
      f8:	eb000274 	bl	ad0 <printf>
      fc:	ea000000 	b	104 <main+0x20>
     100:	0000890c 	andeq	r8, r0, ip, lsl #18
     104:	e91ba800 	ldmdb	fp, {fp, sp, pc}

00000108 <__do_global_dtors>:
     108:	e1a0c00d 	mov	ip, sp
     10c:	e92dd810 	stmdb	sp!, {r4, fp, ip, lr, pc}
     110:	e59f103c 	ldr	r1, [pc, #3c]	; 154 <__do_global_dtors+0x4c>
     114:	e5913000 	ldr	r3, [r1]
     118:	e5932000 	ldr	r2, [r3]
     11c:	e24cb004 	sub	fp, ip, #4	; 0x4
     120:	e3520000 	cmp	r2, #0	; 0x0
     124:	091ba810 	ldmeqdb	fp, {r4, fp, sp, pc}
     128:	e1a04001 	mov	r4, r1
     12c:	e5943000 	ldr	r3, [r4]
     130:	e2833004 	add	r3, r3, #4	; 0x4
     134:	e5843000 	str	r3, [r4]
     138:	e1a0e00f 	mov	lr, pc
     13c:	e513f004 	ldr	pc, [r3, -#4]
     140:	e5942000 	ldr	r2, [r4]
     144:	e5923000 	ldr	r3, [r2]
     148:	e3530000 	cmp	r3, #0	; 0x0
     14c:	1afffff6 	bne	12c <__do_global_dtors+0x24>
     150:	e91ba810 	ldmdb	fp, {r4, fp, sp, pc}
     154:	00008d48 	andeq	r8, r0, r8, asr #26

00000158 <__do_global_ctors>:
     158:	e1a0c00d 	mov	ip, sp
     15c:	e92dd870 	stmdb	sp!, {r4, r5, r6, fp, ip, lr, pc}
     160:	e59f3064 	ldr	r3, [pc, #64]	; 1cc <__do_global_ctors+0x74>
     164:	e59f6064 	ldr	r6, [pc, #64]	; 1d0 <__do_global_ctors+0x78>
     168:	e24cb004 	sub	fp, ip, #4	; 0x4
     16c:	e5932000 	ldr	r2, [r3]
     170:	e1a05003 	mov	r5, r3
     174:	e3720001 	cmn	r2, #1	; 0x1
     178:	1a00000a 	bne	1a8 <__do_global_ctors+0x50>
     17c:	e3a01004 	mov	r1, #4	; 0x4
     180:	e7953001 	ldr	r3, [r5, r1]
     184:	e3a02000 	mov	r2, #0	; 0x0
     188:	e1530002 	cmp	r3, r2
     18c:	0a000005 	beq	1a8 <__do_global_ctors+0x50>
     190:	e1a00005 	mov	r0, r5
     194:	e2811004 	add	r1, r1, #4	; 0x4
     198:	e7903001 	ldr	r3, [r0, r1]
     19c:	e2822001 	add	r2, r2, #1	; 0x1
     1a0:	e3530000 	cmp	r3, #0	; 0x0
     1a4:	1afffffa 	bne	194 <__do_global_ctors+0x3c>
     1a8:	e2524000 	subs	r4, r2, #0	; 0x0
     1ac:	0a000003 	beq	1c0 <__do_global_ctors+0x68>
     1b0:	e1a0e00f 	mov	lr, pc
     1b4:	e795f104 	ldr	pc, [r5, r4, lsl #2]
     1b8:	e2544001 	subs	r4, r4, #1	; 0x1
     1bc:	1afffffb 	bne	1b0 <__do_global_ctors+0x58>
     1c0:	e1a00006 	mov	r0, r6
     1c4:	eb00000e 	bl	204 <atexit>
     1c8:	e91ba870 	ldmdb	fp, {r4, r5, r6, fp, sp, pc}
     1cc:	0000948c 	andeq	r9, r0, ip, lsl #9
     1d0:	00000108 	andeq	r0, r0, r8, lsl #2

000001d4 <__gccmain>:
     1d4:	e1a0c00d 	mov	ip, sp
     1d8:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     1dc:	e59f201c 	ldr	r2, [pc, #1c]	; 200 <__gccmain+0x2c>
     1e0:	e5923000 	ldr	r3, [r2]
     1e4:	e24cb004 	sub	fp, ip, #4	; 0x4
     1e8:	e3530000 	cmp	r3, #0	; 0x0
     1ec:	191ba800 	ldmnedb	fp, {fp, sp, pc}
     1f0:	e3a03001 	mov	r3, #1	; 0x1
     1f4:	e5823000 	str	r3, [r2]
     1f8:	ebffffd6 	bl	158 <__do_global_ctors>
     1fc:	e91ba800 	ldmdb	fp, {fp, sp, pc}
     200:	0000949c 	muleq	r0, ip, r4

00000204 <atexit>:
     204:	e1a0c00d 	mov	ip, sp
     208:	e92dd830 	stmdb	sp!, {r4, r5, fp, ip, lr, pc}
     20c:	e59f506c 	ldr	r5, [pc, #6c]	; 280 <atexit+0x7c>
     210:	e5953000 	ldr	r3, [r5]
     214:	e24cb004 	sub	fp, ip, #4	; 0x4
     218:	e5931148 	ldr	r1, [r3, #328]
     21c:	e1a04000 	mov	r4, r0
     220:	e3510000 	cmp	r1, #0	; 0x0
     224:	02831f53 	addeq	r1, r3, #332	; 0x14c
     228:	05831148 	streq	r1, [r3, #328]
     22c:	e5913004 	ldr	r3, [r1, #4]
     230:	e353001f 	cmp	r3, #31	; 0x1f
     234:	da00000a 	ble	264 <atexit+0x60>
     238:	e3a00088 	mov	r0, #136	; 0x88
     23c:	eb00002f 	bl	300 <malloc>
     240:	e2501000 	subs	r1, r0, #0	; 0x0
     244:	03e00000 	mvneq	r0, #0	; 0x0
     248:	091ba830 	ldmeqdb	fp, {r4, r5, fp, sp, pc}
     24c:	e3a03000 	mov	r3, #0	; 0x0
     250:	e5813004 	str	r3, [r1, #4]
     254:	e5952000 	ldr	r2, [r5]
     258:	e5923148 	ldr	r3, [r2, #328]
     25c:	e5813000 	str	r3, [r1]
     260:	e5821148 	str	r1, [r2, #328]
     264:	e3a00000 	mov	r0, #0	; 0x0
     268:	e5913004 	ldr	r3, [r1, #4]
     26c:	e2812008 	add	r2, r1, #8	; 0x8
     270:	e7824103 	str	r4, [r2, r3, lsl #2]
     274:	e2833001 	add	r3, r3, #1	; 0x1
     278:	e5813004 	str	r3, [r1, #4]
     27c:	e91ba830 	ldmdb	fp, {r4, r5, fp, sp, pc}
     280:	00009040 	andeq	r9, r0, r0, asr #32

00000284 <exit>:
     284:	e1a0c00d 	mov	ip, sp
     288:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     28c:	e59f2064 	ldr	r2, [pc, #64]	; 2f8 <exit+0x74>
     290:	e24cb004 	sub	fp, ip, #4	; 0x4
     294:	e5923000 	ldr	r3, [r2]
     298:	e1a07000 	mov	r7, r0
     29c:	e5936148 	ldr	r6, [r3, #328]
     2a0:	e1a08002 	mov	r8, r2
     2a4:	e3560000 	cmp	r6, #0	; 0x0
     2a8:	0a00000a 	beq	2d8 <exit+0x54>
     2ac:	e5964004 	ldr	r4, [r6, #4]
     2b0:	e2544001 	subs	r4, r4, #1	; 0x1
     2b4:	4a000004 	bmi	2cc <exit+0x48>
     2b8:	e2865008 	add	r5, r6, #8	; 0x8
     2bc:	e1a0e00f 	mov	lr, pc
     2c0:	e795f104 	ldr	pc, [r5, r4, lsl #2]
     2c4:	e2544001 	subs	r4, r4, #1	; 0x1
     2c8:	5afffffb 	bpl	2bc <exit+0x38>
     2cc:	e5966000 	ldr	r6, [r6]
     2d0:	e3560000 	cmp	r6, #0	; 0x0
     2d4:	1afffff4 	bne	2ac <exit+0x28>
     2d8:	e5980000 	ldr	r0, [r8]
     2dc:	e590303c 	ldr	r3, [r0, #60]
     2e0:	e3530000 	cmp	r3, #0	; 0x0
     2e4:	0a000001 	beq	2f0 <exit+0x6c>
     2e8:	e1a0e00f 	mov	lr, pc
     2ec:	e1a0f003 	mov	pc, r3
     2f0:	e1a00007 	mov	r0, r7
     2f4:	eb0003af 	bl	11b8 <_exit>
     2f8:	00009040 	andeq	r9, r0, r0, asr #32
     2fc:	e91ba9f0 	ldmdb	fp, {r4, r5, r6, r7, r8, fp, sp, pc}

00000300 <malloc>:
     300:	e1a0c00d 	mov	ip, sp
     304:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     308:	e59f3010 	ldr	r3, [pc, #10]	; 320 <malloc+0x20>
     30c:	e1a01000 	mov	r1, r0
     310:	e5930000 	ldr	r0, [r3]
     314:	e24cb004 	sub	fp, ip, #4	; 0x4
     318:	eb000081 	bl	524 <_malloc_r>
     31c:	e91ba800 	ldmdb	fp, {fp, sp, pc}
     320:	00009040 	andeq	r9, r0, r0, asr #32

00000324 <free>:
     324:	e1a0c00d 	mov	ip, sp
     328:	e92dd800 	stmdb	sp!, {fp, ip, lr, pc}
     32c:	e59f3010 	ldr	r3, [pc, #10]	; 344 <free+0x20>
     330:	e1a01000 	mov	r1, r0
     334:	e5930000 	ldr	r0, [r3]
     338:	e24cb004 	sub	fp, ip, #4	; 0x4
     33c:	eb00110f 	bl	4780 <_free_r>
     340:	e91ba800 	ldmdb	fp, {fp, sp, pc}
     344:	00009040 	andeq	r9, r0, r0, asr #32

00000348 <malloc_extend_top>:
     348:	e1a0c00d 	mov	ip, sp
     34c:	e92ddff0 	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}
     350:	e24cb004 	sub	fp, ip, #4	; 0x4
     354:	e59fc1b0 	ldr	ip, [pc, #1b0]	; 50c <malloc_extend_top+0x1c4>
     358:	e59f31b0 	ldr	r3, [pc, #1b0]	; 510 <malloc_extend_top+0x1c8>
     35c:	e59fa1b0 	ldr	sl, [pc, #1b0]	; 514 <malloc_extend_top+0x1cc>
     360:	e59c8008 	ldr	r8, [ip, #8]
     364:	e5932000 	ldr	r2, [r3]
     368:	e1a09000 	mov	r9, r0
     36c:	e5983004 	ldr	r3, [r8, #4]
     370:	e0812002 	add	r2, r1, r2
     374:	e2826010 	add	r6, r2, #16	; 0x10
     378:	e3c37003 	bic	r7, r3, #3	; 0x3
     37c:	e59a1000 	ldr	r1, [sl]
     380:	e0884007 	add	r4, r8, r7
     384:	e3710001 	cmn	r1, #1	; 0x1
     388:	12823a01 	addne	r3, r2, #4096	; 0x1000
     38c:	1283300f 	addne	r3, r3, #15	; 0xf
     390:	13c36eff 	bicne	r6, r3, #4080	; 0xff0
     394:	13c6600f 	bicne	r6, r6, #15	; 0xf
     398:	e1a00009 	mov	r0, r9
     39c:	e1a01006 	mov	r1, r6
     3a0:	eb0001d9 	bl	b0c <_sbrk_r>
     3a4:	e1a05000 	mov	r5, r0
     3a8:	e3750001 	cmn	r5, #1	; 0x1
     3ac:	091baff0 	ldmeqdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}
     3b0:	e1550004 	cmp	r5, r4
     3b4:	2a000002 	bcs	3c4 <malloc_extend_top+0x7c>
     3b8:	e59f214c 	ldr	r2, [pc, #14c]	; 50c <malloc_extend_top+0x1c4>
     3bc:	e1580002 	cmp	r8, r2
     3c0:	191baff0 	ldmnedb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}
     3c4:	e59f314c 	ldr	r3, [pc, #14c]	; 518 <malloc_extend_top+0x1d0>
     3c8:	e5932000 	ldr	r2, [r3]
     3cc:	e1550004 	cmp	r5, r4
     3d0:	e0822006 	add	r2, r2, r6
     3d4:	e5832000 	str	r2, [r3]
     3d8:	1a000005 	bne	3f4 <malloc_extend_top+0xac>
     3dc:	e59f3128 	ldr	r3, [pc, #128]	; 50c <malloc_extend_top+0x1c4>
     3e0:	e0860007 	add	r0, r6, r7
     3e4:	e5932008 	ldr	r2, [r3, #8]
     3e8:	e3803001 	orr	r3, r0, #1	; 0x1
     3ec:	e5823004 	str	r3, [r2, #4]
     3f0:	ea00003a 	b	4e0 <malloc_extend_top+0x198>
     3f4:	e59a3000 	ldr	r3, [sl]
     3f8:	e3730001 	cmn	r3, #1	; 0x1
     3fc:	058a5000 	streq	r5, [sl]
     400:	10643005 	rsbne	r3, r4, r5
     404:	10823003 	addne	r3, r2, r3
     408:	159f2108 	ldrne	r2, [pc, #108]	; 518 <malloc_extend_top+0x1d0>
     40c:	15823000 	strne	r3, [r2]
     410:	e2853008 	add	r3, r5, #8	; 0x8
     414:	e2131007 	ands	r1, r3, #7	; 0x7
     418:	12614008 	rsbne	r4, r1, #8	; 0x8
     41c:	10855004 	addne	r5, r5, r4
     420:	01a04001 	moveq	r4, r1
     424:	e0853006 	add	r3, r5, r6
     428:	e1a03a03 	mov	r3, r3, lsl #20
     42c:	e1a03a23 	mov	r3, r3, lsr #20
     430:	e2633a01 	rsb	r3, r3, #4096	; 0x1000
     434:	e0844003 	add	r4, r4, r3
     438:	e1a00009 	mov	r0, r9
     43c:	e1a01004 	mov	r1, r4
     440:	eb0001b1 	bl	b0c <_sbrk_r>
     444:	e3700001 	cmn	r0, #1	; 0x1
     448:	091baff0 	ldmeqdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}
     44c:	e0653000 	rsb	r3, r5, r0
     450:	e0830004 	add	r0, r3, r4
     454:	e59f30bc 	ldr	r3, [pc, #bc]	; 518 <malloc_extend_top+0x1d0>
     458:	e5932000 	ldr	r2, [r3]
     45c:	e59f30a8 	ldr	r3, [pc, #a8]	; 50c <malloc_extend_top+0x1c4>
     460:	e5835008 	str	r5, [r3, #8]
     464:	e1580003 	cmp	r8, r3
     468:	e59f30a8 	ldr	r3, [pc, #a8]	; 518 <malloc_extend_top+0x1d0>
     46c:	e0822004 	add	r2, r2, r4
     470:	e5832000 	str	r2, [r3]
     474:	e3803001 	orr	r3, r0, #1	; 0x1
     478:	e5853004 	str	r3, [r5, #4]
     47c:	0a000017 	beq	4e0 <malloc_extend_top+0x198>
     480:	e357000f 	cmp	r7, #15	; 0xf
     484:	8a000004 	bhi	49c <malloc_extend_top+0x154>
     488:	e59f307c 	ldr	r3, [pc, #7c]	; 50c <malloc_extend_top+0x1c4>
     48c:	e5932008 	ldr	r2, [r3, #8]
     490:	e3a03001 	mov	r3, #1	; 0x1
     494:	e5823004 	str	r3, [r2, #4]
     498:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}
     49c:	e247200c 	sub	r2, r7, #12	; 0xc
     4a0:	e3c27007 	bic	r7, r2, #7	; 0x7
     4a4:	e357000f 	cmp	r7, #15	; 0xf
     4a8:	e3a01004 	mov	r1, #4	; 0x4
     4ac:	e5983004 	ldr	r3, [r8, #4]
     4b0:	e3a02005 	mov	r2, #5	; 0x5
     4b4:	e2033001 	and	r3, r3, #1	; 0x1
     4b8:	e1833007 	orr	r3, r3, r7
     4bc:	e5883004 	str	r3, [r8, #4]
     4c0:	e0883007 	add	r3, r8, r7
     4c4:	e7832001 	str	r2, [r3, r1]
     4c8:	e0833001 	add	r3, r3, r1
     4cc:	e5832004 	str	r2, [r3, #4]
     4d0:	9a000002 	bls	4e0 <malloc_extend_top+0x198>
     4d4:	e1a00009 	mov	r0, r9
     4d8:	e2881008 	add	r1, r8, #8	; 0x8
     4dc:	eb0010a7 	bl	4780 <_free_r>