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1 | 1 |
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2 | 2 | app: file format ELF32-arm-little
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3 | 3 |
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| 4 | + |
4 | 5 | Disassembly of section .text:
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| 6 | + |
5 | 7 | main:
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6 |
| - trap |
7 |
| - trap |
| 8 | + trap |
| 9 | + trap |
8 | 10 |
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9 | 11 | Reset:
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10 |
| - movw r1, #0x0 |
11 |
| - movw r0, #0x0 |
12 |
| - movt r1, #0x2000 |
13 |
| - movt r0, #0x2000 |
14 |
| - subs r1, r1, r0 |
15 |
| - bl #0xd2 |
16 |
| - movw r1, #0x0 |
17 |
| - movw r0, #0x0 |
18 |
| - movt r1, #0x2000 |
19 |
| - movt r0, #0x2000 |
20 |
| - subs r2, r1, r0 |
21 |
| - movw r1, #0x0 |
22 |
| - movt r1, #0x0 |
23 |
| - bl #0x8 |
24 |
| - bl #-0x3c |
25 |
| - trap |
| 12 | + movw r1, #0x0 |
| 13 | + movw r0, #0x0 |
| 14 | + movt r1, #0x2000 |
| 15 | + movt r0, #0x2000 |
| 16 | + subs r1, r1, r0 |
| 17 | + bl #0xe2 |
| 18 | + movw r1, #0x0 |
| 19 | + movw r0, #0x0 |
| 20 | + movt r1, #0x2000 |
| 21 | + movt r0, #0x2000 |
| 22 | + subs r2, r1, r0 |
| 23 | + movw r1, #0x142 |
| 24 | + movt r1, #0x0 |
| 25 | + bl #0x8 |
| 26 | + bl #-0x3c |
| 27 | + trap |
26 | 28 |
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27 | 29 | DefaultExceptionHandler:
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28 |
| - b #-0x4 <DefaultExceptionHandler> |
| 30 | + b #-0x4 <DefaultExceptionHandler> |
29 | 31 |
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30 | 32 | UsageFault:
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31 |
| - sub sp, #0x19c |
| 33 | + blo.w #0x2756a <_sidata+0x274ab> |
32 | 34 |
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33 | 35 | __aeabi_memcpy:
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34 |
| - push {r4, r5, r7, lr} |
35 |
| - cbz r2, #0x56 |
36 |
| - subs r3, r2, #0x1 |
37 |
| - and r12, r2, #0x3 |
38 |
| - cmp r3, #0x3 |
39 |
| - bhs #0x8 <__aeabi_memcpy+0x18> |
40 |
| - movs r2, #0x0 |
41 |
| - cmp.w r12, #0x0 |
42 |
| - bne #0x26 <__aeabi_memcpy+0x3e> |
43 |
| - b #0x42 <__aeabi_memcpy+0x5c> |
44 |
| - sub.w lr, r2, r12 |
45 |
| - movs r2, #0x0 |
46 |
| - ldrb r3, [r1, r2] |
47 |
| - adds r4, r1, r2 |
48 |
| - strb r3, [r0, r2] |
49 |
| - adds r3, r0, r2 |
50 |
| - adds r2, #0x4 |
51 |
| - ldrb r5, [r4, #0x1] |
52 |
| - cmp lr, r2 |
53 |
| - strb r5, [r3, #0x1] |
54 |
| - ldrb r5, [r4, #0x2] |
55 |
| - strb r5, [r3, #0x2] |
56 |
| - ldrb r4, [r4, #0x3] |
57 |
| - strb r4, [r3, #0x3] |
58 |
| - bne #-0x1c <__aeabi_memcpy+0x1e> |
59 |
| - cmp.w r12, #0x0 |
60 |
| - beq #0x1c <__aeabi_memcpy+0x5c> |
61 |
| - ldrb r3, [r1, r2] |
62 |
| - cmp.w r12, #0x1 |
63 |
| - strb r3, [r0, r2] |
64 |
| - beq #0x12 <__aeabi_memcpy+0x5c> |
65 |
| - adds r3, r2, #0x1 |
66 |
| - cmp.w r12, #0x2 |
67 |
| - ldrb r5, [r1, r3] |
68 |
| - strb r5, [r0, r3] |
69 |
| - it eq |
70 |
| - popeq {r4, r5, r7, pc} |
71 |
| - adds r2, #0x2 |
72 |
| - ldrb r1, [r1, r2] |
73 |
| - strb r1, [r0, r2] |
74 |
| - pop {r4, r5, r7, pc} |
| 36 | + push {r4, r5, r6, r7, lr} |
| 37 | + cbz r2, #0x60 |
| 38 | + subs r3, r2, #0x1 |
| 39 | + and r12, r2, #0x3 |
| 40 | + cmp r3, #0x3 |
| 41 | + bhs #0x8 <__aeabi_memcpy+0x18> |
| 42 | + movs r2, #0x0 |
| 43 | + cmp.w r12, #0x0 |
| 44 | + bne #0x32 <__aeabi_memcpy+0x4a> |
| 45 | + b #0x4c <__aeabi_memcpy+0x66> |
| 46 | + sub.w lr, r12, r2 |
| 47 | + adds r3, r1, #0x1 |
| 48 | + adds r4, r0, #0x1 |
| 49 | + mvn r2, #0x3 |
| 50 | + adds r6, r3, r2 |
| 51 | + adds r5, r4, r2 |
| 52 | + adds r2, #0x4 |
| 53 | + ldrb r7, [r6, #0x3] |
| 54 | + strb r7, [r5, #0x3] |
| 55 | + ldrb r7, [r6, #0x4] |
| 56 | + strb r7, [r5, #0x4] |
| 57 | + ldrb r7, [r6, #0x5] |
| 58 | + strb r7, [r5, #0x5] |
| 59 | + ldrb r6, [r6, #0x6] |
| 60 | + strb r6, [r5, #0x6] |
| 61 | + add.w r5, lr, r2 |
| 62 | + adds r5, #0x4 |
| 63 | + bne #-0x20 <__aeabi_memcpy+0x24> |
| 64 | + adds r2, #0x4 |
| 65 | + cmp.w r12, #0x0 |
| 66 | + beq #0x1a <__aeabi_memcpy+0x66> |
| 67 | + ldrb r3, [r1, r2] |
| 68 | + cmp.w r12, #0x1 |
| 69 | + strb r3, [r0, r2] |
| 70 | + beq #0x10 <__aeabi_memcpy+0x66> |
| 71 | + adds r3, r2, #0x1 |
| 72 | + cmp.w r12, #0x2 |
| 73 | + ldrb r7, [r1, r3] |
| 74 | + strb r7, [r0, r3] |
| 75 | + beq #0x4 <__aeabi_memcpy+0x66> |
| 76 | + adds r2, #0x2 |
| 77 | + ldrb r1, [r1, r2] |
| 78 | + strb r1, [r0, r2] |
| 79 | + pop {r4, r5, r6, r7, pc} |
75 | 80 |
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76 | 81 | __aeabi_memset:
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77 |
| - cmp r1, #0x0 |
78 |
| - it eq |
79 |
| - bxeq lr |
80 |
| - push {r7, lr} |
81 |
| - subs r3, r1, #0x1 |
82 |
| - and r12, r1, #0x3 |
83 |
| - cmp r3, #0x3 |
84 |
| - bhs #0x2 <__aeabi_memset+0x16> |
85 |
| - movs r1, #0x0 |
86 |
| - b #0x14 <__aeabi_memset+0x2c> |
87 |
| - sub.w lr, r1, r12 |
88 |
| - movs r1, #0x0 |
89 |
| - strb r2, [r0, r1] |
90 |
| - adds r3, r0, r1 |
91 |
| - adds r1, #0x4 |
92 |
| - cmp lr, r1 |
93 |
| - strb r2, [r3, #0x3] |
94 |
| - strb r2, [r3, #0x2] |
95 |
| - strb r2, [r3, #0x1] |
96 |
| - bne #-0x12 <__aeabi_memset+0x1c> |
97 |
| - cmp.w r12, #0x0 |
98 |
| - pop.w {r7, lr} |
99 |
| - itt ne |
100 |
| - strbne r2, [r0, r1] |
101 |
| - cmpne.w r12, #0x1 |
102 |
| - bne #0x0 <__aeabi_memset+0x40> |
103 |
| - bx lr |
104 |
| - add r0, r1 |
105 |
| - cmp.w r12, #0x2 |
106 |
| - strb r2, [r0, #0x1] |
107 |
| - it ne |
108 |
| - strbne r2, [r0, #0x2] |
109 |
| - bx lr |
| 82 | + push {r4, lr} |
| 83 | + cmp r1, #0x0 |
| 84 | + it eq |
| 85 | + popeq {r4, pc} |
| 86 | + subs r3, r1, #0x1 |
| 87 | + and r12, r1, #0x3 |
| 88 | + cmp r3, #0x3 |
| 89 | + bhs #0x2 <__aeabi_memset+0x16> |
| 90 | + movs r1, #0x0 |
| 91 | + b #0x1e <__aeabi_memset+0x36> |
| 92 | + sub.w lr, r12, r1 |
| 93 | + adds r1, r0, #0x1 |
| 94 | + mvn r3, #0x3 |
| 95 | + adds r4, r1, r3 |
| 96 | + adds r3, #0x4 |
| 97 | + strb r2, [r4, #0x6] |
| 98 | + strb r2, [r4, #0x5] |
| 99 | + strb r2, [r4, #0x4] |
| 100 | + strb r2, [r4, #0x3] |
| 101 | + add.w r4, lr, r3 |
| 102 | + adds r4, #0x4 |
| 103 | + bne #-0x16 <__aeabi_memset+0x20> |
| 104 | + adds r1, r3, #0x4 |
| 105 | + cmp.w r12, #0x0 |
| 106 | + itt ne |
| 107 | + strbne r2, [r0, r1] |
| 108 | + cmpne.w r12, #0x1 |
| 109 | + bne #0x0 <__aeabi_memset+0x46> |
| 110 | + pop {r4, pc} |
| 111 | + add r0, r1 |
| 112 | + cmp.w r12, #0x2 |
| 113 | + strb r2, [r0, #0x1] |
| 114 | + it ne |
| 115 | + strbne r2, [r0, #0x2] |
| 116 | + pop {r4, pc} |
110 | 117 |
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111 | 118 | __aeabi_memclr:
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112 |
| - movs r2, #0x0 |
113 |
| - b.w #-0x54 <__aeabi_memset> |
| 119 | + movs r2, #0x0 |
| 120 | + b.w #-0x5a <__aeabi_memset> |
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