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📄 logarmfwliu

📁 自己编写的ARM处理器的指令集仿真
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    89c0:	00011d0c 	andeq	r1, r1, ip, lsl #26000089c4 <fread>:    89c4:	e1a0c00d 	mov	ip, sp    89c8:	e92ddff0 	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}    89cc:	e1a08001 	mov	r8, r1    89d0:	e1a0a002 	mov	sl, r2    89d4:	e0170a98 	muls	r7, r8, sl    89d8:	e24cb004 	sub	fp, ip, #4	; 0x4    89dc:	e1a05003 	mov	r5, r3    89e0:	1a000005 	bne	89fc <fread+0x38>    89e4:	e1a00007 	mov	r0, r7    89e8:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}    89ec:	e0670009 	rsb	r0, r7, r9    89f0:	e1a01008 	mov	r1, r8    89f4:	eb0022aa 	bl	114a4 <__udivsi3>    89f8:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}    89fc:	e5953004 	ldr	r3, [r5, #4]    8a00:	e3530000 	cmp	r3, #0	; 0x0    8a04:	b3a03000 	movlt	r3, #0	; 0x0    8a08:	b5853004 	strlt	r3, [r5, #4]    8a0c:	e1a06000 	mov	r6, r0    8a10:	e5954004 	ldr	r4, [r5, #4]    8a14:	e1a09007 	mov	r9, r7    8a18:	e1570004 	cmp	r7, r4    8a1c:	9a00000f 	bls	8a60 <fread+0x9c>    8a20:	e1a00006 	mov	r0, r6    8a24:	e1a02004 	mov	r2, r4    8a28:	e0866004 	add	r6, r6, r4    8a2c:	e5951000 	ldr	r1, [r5]    8a30:	e0647007 	rsb	r7, r4, r7    8a34:	eb000451 	bl	9b80 <memcpy>    8a38:	e5953000 	ldr	r3, [r5]    8a3c:	e1a00005 	mov	r0, r5    8a40:	e0833004 	add	r3, r3, r4    8a44:	e5853000 	str	r3, [r5]    8a48:	eb00053a 	bl	9f38 <__srefill>    8a4c:	e3500000 	cmp	r0, #0	; 0x0    8a50:	1affffe5 	bne	89ec <fread+0x28>    8a54:	e5954004 	ldr	r4, [r5, #4]    8a58:	e1570004 	cmp	r7, r4    8a5c:	8affffef 	bhi	8a20 <fread+0x5c>    8a60:	e1a00006 	mov	r0, r6    8a64:	e5951000 	ldr	r1, [r5]    8a68:	e1a02007 	mov	r2, r7    8a6c:	eb000443 	bl	9b80 <memcpy>    8a70:	e5953004 	ldr	r3, [r5, #4]    8a74:	e1a0000a 	mov	r0, sl    8a78:	e5952000 	ldr	r2, [r5]    8a7c:	e0673003 	rsb	r3, r7, r3    8a80:	e5853004 	str	r3, [r5, #4]    8a84:	e0822007 	add	r2, r2, r7    8a88:	e5852000 	str	r2, [r5]    8a8c:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}00008a90 <_free_r>:    8a90:	e1a0c00d 	mov	ip, sp    8a94:	e92ddff0 	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}    8a98:	e24cb004 	sub	fp, ip, #4	; 0x4    8a9c:	e1a09000 	mov	r9, r0    8aa0:	e2517000 	subs	r7, r1, #0	; 0x0    8aa4:	091baff0 	ldmeqdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}    8aa8:	eb00047d 	bl	9ca4 <__malloc_lock>    8aac:	e2475008 	sub	r5, r7, #8	; 0x8    8ab0:	e5950004 	ldr	r0, [r5, #4]    8ab4:	e59f1210 	ldr	r1, [pc, #210]	; 8ccc <_free_r+0x23c>    8ab8:	e3c04001 	bic	r4, r0, #1	; 0x1    8abc:	e085e004 	add	lr, r5, r4    8ac0:	e5912008 	ldr	r2, [r1, #8]    8ac4:	e1a0a001 	mov	sl, r1    8ac8:	e59e3004 	ldr	r3, [lr, #4]    8acc:	e15e0002 	cmp	lr, r2    8ad0:	e3c36003 	bic	r6, r3, #3	; 0x3    8ad4:	1a000017 	bne	8b38 <_free_r+0xa8>    8ad8:	e0844006 	add	r4, r4, r6    8adc:	e3100001 	tst	r0, #1	; 0x1    8ae0:	1a000006 	bne	8b00 <_free_r+0x70>    8ae4:	e5171008 	ldr	r1, [r7, -#8]    8ae8:	e0615005 	rsb	r5, r1, r5    8aec:	e2850008 	add	r0, r5, #8	; 0x8    8af0:	e8901001 	ldmia	r0, {r0, ip}    8af4:	e580c00c 	str	ip, [r0, #12]    8af8:	e0844001 	add	r4, r4, r1    8afc:	e58c0008 	str	r0, [ip, #8]    8b00:	e3843001 	orr	r3, r4, #1	; 0x1    8b04:	e5853004 	str	r3, [r5, #4]    8b08:	e59f21c0 	ldr	r2, [pc, #1c0]	; 8cd0 <_free_r+0x240>    8b0c:	e5923000 	ldr	r3, [r2]    8b10:	e58a5008 	str	r5, [sl, #8]    8b14:	e1540003 	cmp	r4, r3    8b18:	3a000003 	bcc	8b2c <_free_r+0x9c>    8b1c:	e59f31b0 	ldr	r3, [pc, #1b0]	; 8cd4 <_free_r+0x244>    8b20:	e5931000 	ldr	r1, [r3]    8b24:	e1a00009 	mov	r0, r9    8b28:	eb00006b 	bl	8cdc <_malloc_trim_r>    8b2c:	e1a00009 	mov	r0, r9    8b30:	eb00045f 	bl	9cb4 <__malloc_unlock>    8b34:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}    8b38:	e3a08000 	mov	r8, #0	; 0x0    8b3c:	e3100001 	tst	r0, #1	; 0x1    8b40:	e58e6004 	str	r6, [lr, #4]    8b44:	1a00000a 	bne	8b74 <_free_r+0xe4>    8b48:	e5171008 	ldr	r1, [r7, -#8]    8b4c:	e28a3008 	add	r3, sl, #8	; 0x8    8b50:	e0615005 	rsb	r5, r1, r5    8b54:	e5952008 	ldr	r2, [r5, #8]    8b58:	e0844001 	add	r4, r4, r1    8b5c:	e1520003 	cmp	r2, r3    8b60:	02888001 	addeq	r8, r8, #1	; 0x1    8b64:	1595c00c 	ldrne	ip, [r5, #12]    8b68:	11a00002 	movne	r0, r2    8b6c:	1580c00c 	strne	ip, [r0, #12]    8b70:	158c0008 	strne	r0, [ip, #8]    8b74:	e08e3006 	add	r3, lr, r6    8b78:	e5932004 	ldr	r2, [r3, #4]    8b7c:	e3120001 	tst	r2, #1	; 0x1    8b80:	1a000010 	bne	8bc8 <_free_r+0x138>    8b84:	e0844006 	add	r4, r4, r6    8b88:	e3580000 	cmp	r8, #0	; 0x0    8b8c:	e59e2008 	ldr	r2, [lr, #8]    8b90:	1a000008 	bne	8bb8 <_free_r+0x128>    8b94:	e59f313c 	ldr	r3, [pc, #13c]	; 8cd8 <_free_r+0x248>    8b98:	e1520003 	cmp	r2, r3    8b9c:	1a000005 	bne	8bb8 <_free_r+0x128>    8ba0:	e582500c 	str	r5, [r2, #12]    8ba4:	e5825008 	str	r5, [r2, #8]    8ba8:	e585200c 	str	r2, [r5, #12]    8bac:	e3a08001 	mov	r8, #1	; 0x1    8bb0:	e5852008 	str	r2, [r5, #8]    8bb4:	ea000003 	b	8bc8 <_free_r+0x138>    8bb8:	e59ec00c 	ldr	ip, [lr, #12]    8bbc:	e1a00002 	mov	r0, r2    8bc0:	e580c00c 	str	ip, [r0, #12]    8bc4:	e58c0008 	str	r0, [ip, #8]    8bc8:	e3843001 	orr	r3, r4, #1	; 0x1    8bcc:	e5853004 	str	r3, [r5, #4]    8bd0:	e3580000 	cmp	r8, #0	; 0x0    8bd4:	e7854004 	str	r4, [r5, r4]    8bd8:	1a000038 	bne	8cc0 <_free_r+0x230>    8bdc:	e3540c02 	cmp	r4, #512	; 0x200    8be0:	2a000008 	bcs	8c08 <_free_r+0x178>    8be4:	e1a0e1a4 	mov	lr, r4, lsr #3    8be8:	e1a0312e 	mov	r3, lr, lsr #2    8bec:	e59a2004 	ldr	r2, [sl, #4]    8bf0:	e3a01001 	mov	r1, #1	; 0x1    8bf4:	e1822311 	orr	r2, r2, r1, lsl r3    8bf8:	e58a2004 	str	r2, [sl, #4]    8bfc:	e08ac18e 	add	ip, sl, lr, lsl #3    8c00:	e59c0008 	ldr	r0, [ip, #8]    8c04:	ea000029 	b	8cb0 <_free_r+0x220>    8c08:	e1b024a4 	movs	r2, r4, lsr #9    8c0c:	01a0e1a4 	moveq	lr, r4, lsr #3    8c10:	0a000014 	beq	8c68 <_free_r+0x1d8>    8c14:	e3520004 	cmp	r2, #4	; 0x4    8c18:	91a03324 	movls	r3, r4, lsr #6    8c1c:	9283e038 	addls	lr, r3, #56	; 0x38    8c20:	9a000010 	bls	8c68 <_free_r+0x1d8>    8c24:	e3520014 	cmp	r2, #20	; 0x14    8c28:	9282e05b 	addls	lr, r2, #91	; 0x5b    8c2c:	9a00000d 	bls	8c68 <_free_r+0x1d8>    8c30:	e3520054 	cmp	r2, #84	; 0x54    8c34:	91a03624 	movls	r3, r4, lsr #12    8c38:	9283e06e 	addls	lr, r3, #110	; 0x6e    8c3c:	9a000009 	bls	8c68 <_free_r+0x1d8>    8c40:	e3520f55 	cmp	r2, #340	; 0x154    8c44:	91a037a4 	movls	r3, r4, lsr #15    8c48:	9283e077 	addls	lr, r3, #119	; 0x77    8c4c:	9a000005 	bls	8c68 <_free_r+0x1d8>    8c50:	e3a03e55 	mov	r3, #1360	; 0x550    8c54:	e2833004 	add	r3, r3, #4	; 0x4    8c58:	e1520003 	cmp	r2, r3    8c5c:	91a03924 	movls	r3, r4, lsr #18    8c60:	9283e07c 	addls	lr, r3, #124	; 0x7c    8c64:	83a0e07e 	movhi	lr, #126	; 0x7e    8c68:	e08ac18e 	add	ip, sl, lr, lsl #3    8c6c:	e59c0008 	ldr	r0, [ip, #8]    8c70:	e150000c 	cmp	r0, ip    8c74:	1a000008 	bne	8c9c <_free_r+0x20c>    8c78:	e1a0312e 	mov	r3, lr, lsr #2    8c7c:	e59a2004 	ldr	r2, [sl, #4]    8c80:	e3a01001 	mov	r1, #1	; 0x1    8c84:	e1822311 	orr	r2, r2, r1, lsl r3    8c88:	e58a2004 	str	r2, [sl, #4]    8c8c:	ea000007 	b	8cb0 <_free_r+0x220>    8c90:	e5900008 	ldr	r0, [r0, #8]    8c94:	e150000c 	cmp	r0, ip    8c98:	0a000003 	beq	8cac <_free_r+0x21c>    8c9c:	e5903004 	ldr	r3, [r0, #4]    8ca0:	e3c33003 	bic	r3, r3, #3	; 0x3    8ca4:	e1540003 	cmp	r4, r3    8ca8:	3afffff8 	bcc	8c90 <_free_r+0x200>    8cac:	e590c00c 	ldr	ip, [r0, #12]    8cb0:	e585c00c 	str	ip, [r5, #12]    8cb4:	e5850008 	str	r0, [r5, #8]    8cb8:	e58c5008 	str	r5, [ip, #8]    8cbc:	e580500c 	str	r5, [r0, #12]    8cc0:	e1a00009 	mov	r0, r9    8cc4:	eb0003fa 	bl	9cb4 <__malloc_unlock>    8cc8:	e91baff0 	ldmdb	fp, {r4, r5, r6, r7, r8, r9, sl, fp, sp, pc}    8ccc:	00011d10 	andeq	r1, r1, r0, lsl sp    8cd0:	00012118 	andeq	r2, r1, r8, lsl r1    8cd4:	0001211c 	andeq	r2, r1, ip, lsl r1    8cd8:	00011d18 	andeq	r1, r1, r8, lsl sp00008cdc <_malloc_trim_r>:    8cdc:	e1a0c00d 	mov	ip, sp    8ce0:	e92dd9f0 	stmdb	sp!, {r4, r5, r6, r7, r8, fp, ip, lr, pc}    8ce4:	e24cb004 	sub	fp, ip, #4	; 0x4    8ce8:	e1a06000 	mov	r6, r0    8cec:	e1a04001 	mov	r4, r1    8cf0:	e59f80e0 	ldr	r8, [pc, #e0]	; 8dd8 <_malloc_trim_r+0xfc>    8cf4:	eb0003ea 	bl	9ca4 <__malloc_lock>    8cf8:	e5983008 	ldr	r3, [r8, #8]    8cfc:	e3a05a01 	mov	r5, #4096	; 0x1000    8d00:	e5932004 	ldr	r2, [r3, #4]    8d04:	e1a01005 	mov	r1, r5    8d08:	e3c27003 	bic	r7, r2, #3	; 0x3    8d0c:	e0644007 	rsb	r4, r4, r7    8d10:	e2840efe 	add	r0, r4, #4064	; 0xfe0    8d14:	e280000f 	add	r0, r0, #15	; 0xf    8d18:	eb0021e1 	bl	114a4 <__udivsi3>    8d1c:	e2400001 	sub	r0, r0, #1	; 0x1    8d20:	e1a04600 	mov	r4, r0, lsl #12    8d24:	e1540005 	cmp	r4, r5    8d28:	aa000003 	bge	8d3c <_malloc_trim_r+0x60>    8d2c:	e1a00006 	mov	r0, r6    8d30:	eb0003df 	bl	9cb4 <__malloc_unlock>    8d34:	e3a00000 	mov	r0, #0	; 0x0    8d38:	e91ba9f0 	ldmdb	fp, {r4, r5, r6, r7, r8, fp, sp, pc}    8d3c:	e1a00006 	mov	r0, r6    8d40:	e3a01000 	mov	r1, #0	; 0x0    8d44:	eb0004d7 	bl	a0a8 <_sbrk_r>    8d48:	e5983008 	ldr	r3, [r8, #8]    8d4c:	e0833007 	add	r3, r3, r7    8d50:	e1500003 	cmp	r0, r3    8d54:	1afffff4 	bne	8d2c <_malloc_trim_r+0x50>    8d58:	e1a00006 	mov	r0, r6    8d5c:	e2641000 	rsb	r1, r4, #0	; 0x0    8d60:	eb0004d0 	bl	a0a8 <_sbrk_r>    8d64:	e3700001 	cmn	r0, #1	; 0x1    8d68:	1a00000e 	bne	8da8 <_malloc_trim_r+0xcc>    8d6c:	e1a00006 	mov	r0, r6    8d70:	e3a01000 	mov	r1, #0	; 0x0    8d74:	eb0004cb 	bl	a0a8 <_sbrk_r>    8d78:	e598c008 	ldr	ip, [r8, #8]    8d7c:	e06c7000 	rsb	r7, ip, r0    8d80:	e357000f 	cmp	r7, #15	; 0xf    8d84:	daffffe8 	ble	8d2c <_malloc_trim_r+0x50>    8d88:	e59f204c 	ldr	r2, [pc, #4c]	; 8ddc <_malloc_trim_r+0x100>    8d8c:	e5923000 	ldr	r3, [r2]    8d90:	e59f1048 	ldr	r1, [pc, #48]	; 8de0 <_malloc_trim_r+0x104>    8d94:	e0633000 	rsb	r3, r3, r0    8d98:	e5813000 	str	r3, [r1]    8d9c:	e3872001 	orr	r2, r7, #1	; 0x1    8da0:	e58c2004 	str	r2, [ip, #4]    8da4:	eaffffe0 	b	8d2c <_malloc_trim_r+0x50>    8da8:	e5982008 	ldr	r2, [r8, #8]    8dac:	e0643007 	rsb	r3, r4, r7    8db0:	e59f1028 	ldr	r1, [pc, #28]	; 8de0 <_malloc_trim_r+0x104>    8db4:	e3833001 	orr	r3, r3, #1	; 0x1    8db8:	e5823004 	str	r3, [r2, #4]    8dbc:	e5913000 	ldr	r3, [r1]    8dc0:	e1a00006 	mov	r0, r6    8dc4:	e0643003 	rsb	r3, r4, r3    8dc8:	e5813000 	str	r3, [r1]    8dcc:	eb0003b8 	bl	9cb4 <__malloc_unlock>    8dd0:	e3a00001 	mov	r0, #1	; 0x1    8dd4:	e91ba9f0 	ldmdb	fp, {r4, r5, r6, r7, r8, fp, sp, pc}    8dd8:	00011d10 	andeq	r1, r1, r0, lsl sp    8ddc:	00012120 	andeq	r2, r1, r0, lsr #2    8de0:	0001212c 	andeq	r2, r1, ip, lsr #200008de4 <fseek>:    8de4:	e1a0c00d 	mov	ip, sp    8de8:	e92ddff0 	stmdb	sp!, {r4, r5, r6, r7, r8, r9, sl, fp, ip, lr, pc}    8dec:	e24cb004 	sub	fp, ip, #4	; 0x4    8df0:	e1a09001 	mov	r9, r1    8df4:	e1a08002 	mov	r8, r2    8df8:	e1a04000 	mov	r4, r0    8dfc:	e24dd040 	sub	sp, sp, #64	; 0x40    8e00:	e5943054 	ldr	r3, [r4, #84]    8e04:	e3530000 	cmp	r3, #0	; 0x0    8e08:	059f339c 	ldreq	r3, [pc, #39c]	; 91ac <fseek+0x3c8>    8e0c:	05932000 	ldreq	r2, [r3]    8e10:	05842054 	streq	r2, [r4, #84]    8e14:	e5940054 	ldr	r0, [r4, #84]    8e18:	e5903038 	ldr	r3, [r0, #56]    8e1c:	e3530000 	cmp	r3, #0	; 0x0    8e20:	1a000000 	bne	8e28 <fseek+0x44>    8e24:	ebfffe89 	bl	8850 <__sinit>    8e28:	e1d430bc 	ldrh	r3, [r4, #12]    8e2c:	e5945054 	ldr	r5, [r4, #84]    8e30:	e2033f42 	and	r3, r3, #264	; 0x108    8e34:	e3530f42 	cmp	r3, #264	; 0x108    8e38:	1a000001 	bne	8e44 <fseek+0x60>    8e3c:	e1a00004 	mov	r0, r4    8e40:	ebfffdd5 	bl	859c <fflush>    8e44:	e594a028 	ldr	sl, [r4, #40]    8e48:	e35a0000 	cmp	sl, #0	; 0x0    8e4c:	03e00000 	mvneq	r0, #0	; 0x0    8e50:	03a0301d 	moveq	r3, #29	; 0x1d    8e54:	05853000 	streq	r3, [r5]    8e58:	0a0000f2 	beq	9228 <fseek+0x444>    8e5c:	e3580001 	cmp	r8, #1	; 0x1    8e60:	0a000006 	beq	8e80 <fseek+0x9c>    8e64:	ca000002 	bgt	8e74 <fseek+0x90>    8e68:	e3580000 	cmp	r8, #0	; 0x0    8e6c:	0a000028 	beq	8f14 <fseek+0x130>    8e70:	ea00002b 	b	8f24 <fseek+0x140>    8e74:	e3580002 	cmp	r8, #2	; 0x2    8e78:	0a000025 	beq	8f14 <fseek+0x130>    8e7c:	ea000028 	b	8f24 <fseek+0x140>    8e80:	e1a00004 	mov	r0, r4    8e84:	ebfffdc4 	bl	859c <fflush>    8e88:	e1d430bc 	ldrh	r3, [r4, #12]    8e8c:	e2131a01 	ands	r1, r3, #4096	; 0x1000    8e90:	1a000007 	bne	8eb4 <fseek+0xd0>    8e94:	e594001c 	ldr	r0, [r4, #28]    8e98:	e1a02008 	mov	r2, r8    8e9c:	e1a0e00f 	mov	lr, pc    8ea0:	e1a0f00a 	mov	pc, sl    8ea4:	e1a06000 	mov	r6, r0    8ea8:	e3760001 	cmn	r6, #1	; 0x1    8eac:	1a000001 	bne	8eb8 <fseek+0xd4>    8eb0:	ea0000dc 	b	9228 <fseek+0x444>    8eb4:	e5946050 	ldr	r6, [r4, #80]    8eb8:	e1d430bc 	ldrh	r3, [r4, #12]    8ebc:	e3130004 	tst	r3, #4	; 0x4    8ec0:	0a000007 	beq	8ee4 <fseek+0x100>    8ec4:	e5941010 	ldr	r1, [r4, #16]    8ec8:	e5943004 	ldr	r3, [r4, #4]

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