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[旧帖] [讨论]这段汇编代码看不明白,高手解释解释一下。 0.00雪花
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发表于: 2009-3-18 15:51 2365
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01950410 > B8 9C140000 mov eax, 149C
01950415 E8 76C70400 call <__alloca_probe>
0195041A 8B0D 54D89F01 mov ecx, dword ptr [19FD854]
01950420 53 push ebx
01950421 55 push ebp
01950422 56 push esi
01950423 57 push edi
01950424 8D4424 60 lea eax, dword ptr [esp+60]
01950428 51 push ecx
01950429 894424 14 mov dword ptr [esp+14], eax
0195042D C74424 30 A1C89>mov dword ptr [esp+30], <__open>
01950435 C74424 38 0CC89>mov dword ptr [esp+38], <__eof>
0195043D C74424 34 2CC79>mov dword ptr [esp+34], <__close>
01950445 C74424 3C EEC49>mov dword ptr [esp+3C], <__read>
0195044D C74424 44 DDC49>mov dword ptr [esp+44], <__tell>
01950455 C74424 40 05C49>mov dword ptr [esp+40], <__lseek>
0195045D C74424 48 FAC39>mov dword ptr [esp+48], <_atoi>
01950465 E8 69A70400 call <operator new(uint)>
0195046A 8B15 58D89F01 mov edx, dword ptr [19FD858]
01950470 8BF0 mov esi, eax
01950472 52 push edx
01950473 897424 30 mov dword ptr [esp+30], esi
01950477 E8 57A70400 call <operator new(uint)>
0195047C 8BF8 mov edi, eax
0195047E A1 60D89F01 mov eax, dword ptr [19FD860]
01950483 50 push eax
01950484 897C24 30 mov dword ptr [esp+30], edi
01950488 E8 46A70400 call <operator new(uint)>
0195048D 8B0D 54D89F01 mov ecx, dword ptr [19FD854]
01950493 8B15 58D89F01 mov edx, dword ptr [19FD858]
01950499 8B1D 60D89F01 mov ebx, dword ptr [19FD860]
0195049F 894C24 60 mov dword ptr [esp+60], ecx
019504A3 8D4C24 70 lea ecx, dword ptr [esp+70]
019504A7 8BE8 mov ebp, eax
019504A9 8B4424 1C mov eax, dword ptr [esp+1C]
019504AD 51 push ecx
019504AE 6A 0C push 0C
019504B0 68 64D89F01 push 019FD864
019504B5 C74424 64 2CD29>mov dword ptr [esp+64], 019FD22C
019504BD 897424 68 mov dword ptr [esp+68], esi
019504C1 C74424 70 B0D49>mov dword ptr [esp+70], 019FD4B0
019504C9 897C24 74 mov dword ptr [esp+74], edi
019504CD 895424 78 mov dword ptr [esp+78], edx
019504D1 894424 60 mov dword ptr [esp+60], eax
019504D5 E8 A6650400 call <sub_10086A80>
019504DA 83C4 18 add esp, 18
019504DD 85DB test ebx, ebx
019504DF 7E 4A jle short <loc_1004052B>
019504E1 BF A8D79F01 mov edi, 019FD7A8
019504E6 83C3 07 add ebx, 7
019504E9 2BFD sub edi, ebp
019504EB 8BF5 mov esi, ebp
019504ED C1EB 03 shr ebx, 3
019504F0 > 8B1437 mov edx, dword ptr [edi+esi]
019504F3 8B4437 04 mov eax, dword ptr [edi+esi+4]
019504F7 895424 14 mov dword ptr [esp+14], edx
019504FB 8D4C24 64 lea ecx, dword ptr [esp+64]
019504FF 894424 18 mov dword ptr [esp+18], eax
01950503 6A 00 push 0
01950505 8D5424 20 lea edx, dword ptr [esp+20]
01950509 51 push ecx
0195050A 8D4424 1C lea eax, dword ptr [esp+1C]
0195050E 52 push edx
0195050F 50 push eax
01950510 E8 8B660400 call <sub_10086BA0>
01950515 8B4C24 2C mov ecx, dword ptr [esp+2C]
01950519 8B5424 30 mov edx, dword ptr [esp+30]
0195051D 890E mov dword ptr [esi], ecx
0195051F 8956 04 mov dword ptr [esi+4], edx
01950522 83C4 10 add esp, 10
01950525 83C6 08 add esi, 8
01950528 4B dec ebx
01950529 ^ 75 C5 jnz short <loc_100404F0>
0195052B > 8B5C24 54 mov ebx, dword ptr [esp+54]
0195052F 8B7424 50 mov esi, dword ptr [esp+50]
01950533 8B7C24 4C mov edi, dword ptr [esp+4C]
01950537 8D4424 64 lea eax, dword ptr [esp+64]
0195053B 50 push eax
0195053C 6A 0C push 0C
0195053E 68 64D89F01 push 019FD864
01950543 E8 38650400 call <sub_10086A80>
01950548 83C4 0C add esp, 0C
0195054B 85DB test ebx, ebx
0195054D 7E 43 jle short <loc_10040592>
0195054F 83C3 07 add ebx, 7
01950552 2BFE sub edi, esi
01950554 C1EB 03 shr ebx, 3
01950557 > 8B0C37 mov ecx, dword ptr [edi+esi]
0195055A 8B5437 04 mov edx, dword ptr [edi+esi+4]
0195055E 894C24 1C mov dword ptr [esp+1C], ecx
01950562 8D4424 64 lea eax, dword ptr [esp+64]
01950566 895424 20 mov dword ptr [esp+20], edx
0195056A 6A 00 push 0
0195056C 8D4C24 18 lea ecx, dword ptr [esp+18]
01950570 50 push eax
01950571 8D5424 24 lea edx, dword ptr [esp+24]
01950575 51 push ecx
01950576 52 push edx
01950577 E8 24660400 call <sub_10086BA0>
0195057C 8B4424 24 mov eax, dword ptr [esp+24]
01950580 8B4C24 28 mov ecx, dword ptr [esp+28]
01950584 8906 mov dword ptr [esi], eax
01950586 894E 04 mov dword ptr [esi+4], ecx
01950589 83C4 10 add esp, 10
0195058C 83C6 08 add esi, 8
0195058F 4B dec ebx
01950590 ^ 75 C5 jnz short <loc_10040557>
01950592 > 8B5C24 60 mov ebx, dword ptr [esp+60]
01950596 8B7424 5C mov esi, dword ptr [esp+5C]
0195059A 8B7C24 58 mov edi, dword ptr [esp+58]
0195059E 8D5424 64 lea edx, dword ptr [esp+64]
019505A2 52 push edx
019505A3 6A 0C push 0C
019505A5 68 64D89F01 push 019FD864
019505AA E8 D1640400 call <sub_10086A80>
019505AF 83C4 0C add esp, 0C
019505B2 85DB test ebx, ebx
019505B4 7E 43 jle short <loc_100405F9>
019505B6 83C3 07 add ebx, 7
019505B9 2BFE sub edi, esi
019505BB C1EB 03 shr ebx, 3
019505BE > 8B0437 mov eax, dword ptr [edi+esi]
019505C1 8B4C37 04 mov ecx, dword ptr [edi+esi+4]
019505C5 894424 1C mov dword ptr [esp+1C], eax
019505C9 8D5424 64 lea edx, dword ptr [esp+64]
019505CD 894C24 20 mov dword ptr [esp+20], ecx
019505D1 6A 00 push 0
019505D3 8D4424 18 lea eax, dword ptr [esp+18]
019505D7 52 push edx
019505D8 8D4C24 24 lea ecx, dword ptr [esp+24]
019505DC 50 push eax
019505DD 51 push ecx
019505DE E8 BD650400 call <sub_10086BA0>
019505E3 8B5424 24 mov edx, dword ptr [esp+24]
019505E7 8B4424 28 mov eax, dword ptr [esp+28]
019505EB 8916 mov dword ptr [esi], edx
019505ED 8946 04 mov dword ptr [esi+4], eax
019505F0 83C4 10 add esp, 10
019505F3 83C6 08 add esi, 8
019505F6 4B dec ebx
019505F7 ^ 75 C5 jnz short <loc_100405BE>
019505F9 > 8B9424 B0140000 mov edx, dword ptr [esp+14B0]
01950600 8D4C24 2C lea ecx, dword ptr [esp+2C]
01950604 51 push ecx
01950605 52 push edx
01950606 FFD5 call ebp
01950608 8B4424 30 mov eax, dword ptr [esp+30]
0195060C 50 push eax
0195060D E8 B6A50400 call <operator delete(void *)>
01950612 8B4C24 30 mov ecx, dword ptr [esp+30]
01950616 51 push ecx
01950617 E8 ACA50400 call <operator delete(void *)>
0195061C 55 push ebp
0195061D E8 A6A50400 call <operator delete(void *)>
01950622 8B4424 24 mov eax, dword ptr [esp+24]
01950626 83C4 14 add esp, 14
01950629 8D5424 20 lea edx, dword ptr [esp+20]
0195062D 2BC2 sub eax, edx
0195062F 5F pop edi
01950630 F7D8 neg eax
01950632 5E pop esi
01950633 5D pop ebp
01950634 1BC0 sbb eax, eax
01950636 5B pop ebx
01950637 81C4 9C140000 add esp, 149C
0195063D C3 retn
01950415 E8 76C70400 call <__alloca_probe>
0195041A 8B0D 54D89F01 mov ecx, dword ptr [19FD854]
01950420 53 push ebx
01950421 55 push ebp
01950422 56 push esi
01950423 57 push edi
01950424 8D4424 60 lea eax, dword ptr [esp+60]
01950428 51 push ecx
01950429 894424 14 mov dword ptr [esp+14], eax
0195042D C74424 30 A1C89>mov dword ptr [esp+30], <__open>
01950435 C74424 38 0CC89>mov dword ptr [esp+38], <__eof>
0195043D C74424 34 2CC79>mov dword ptr [esp+34], <__close>
01950445 C74424 3C EEC49>mov dword ptr [esp+3C], <__read>
0195044D C74424 44 DDC49>mov dword ptr [esp+44], <__tell>
01950455 C74424 40 05C49>mov dword ptr [esp+40], <__lseek>
0195045D C74424 48 FAC39>mov dword ptr [esp+48], <_atoi>
01950465 E8 69A70400 call <operator new(uint)>
0195046A 8B15 58D89F01 mov edx, dword ptr [19FD858]
01950470 8BF0 mov esi, eax
01950472 52 push edx
01950473 897424 30 mov dword ptr [esp+30], esi
01950477 E8 57A70400 call <operator new(uint)>
0195047C 8BF8 mov edi, eax
0195047E A1 60D89F01 mov eax, dword ptr [19FD860]
01950483 50 push eax
01950484 897C24 30 mov dword ptr [esp+30], edi
01950488 E8 46A70400 call <operator new(uint)>
0195048D 8B0D 54D89F01 mov ecx, dword ptr [19FD854]
01950493 8B15 58D89F01 mov edx, dword ptr [19FD858]
01950499 8B1D 60D89F01 mov ebx, dword ptr [19FD860]
0195049F 894C24 60 mov dword ptr [esp+60], ecx
019504A3 8D4C24 70 lea ecx, dword ptr [esp+70]
019504A7 8BE8 mov ebp, eax
019504A9 8B4424 1C mov eax, dword ptr [esp+1C]
019504AD 51 push ecx
019504AE 6A 0C push 0C
019504B0 68 64D89F01 push 019FD864
019504B5 C74424 64 2CD29>mov dword ptr [esp+64], 019FD22C
019504BD 897424 68 mov dword ptr [esp+68], esi
019504C1 C74424 70 B0D49>mov dword ptr [esp+70], 019FD4B0
019504C9 897C24 74 mov dword ptr [esp+74], edi
019504CD 895424 78 mov dword ptr [esp+78], edx
019504D1 894424 60 mov dword ptr [esp+60], eax
019504D5 E8 A6650400 call <sub_10086A80>
019504DA 83C4 18 add esp, 18
019504DD 85DB test ebx, ebx
019504DF 7E 4A jle short <loc_1004052B>
019504E1 BF A8D79F01 mov edi, 019FD7A8
019504E6 83C3 07 add ebx, 7
019504E9 2BFD sub edi, ebp
019504EB 8BF5 mov esi, ebp
019504ED C1EB 03 shr ebx, 3
019504F0 > 8B1437 mov edx, dword ptr [edi+esi]
019504F3 8B4437 04 mov eax, dword ptr [edi+esi+4]
019504F7 895424 14 mov dword ptr [esp+14], edx
019504FB 8D4C24 64 lea ecx, dword ptr [esp+64]
019504FF 894424 18 mov dword ptr [esp+18], eax
01950503 6A 00 push 0
01950505 8D5424 20 lea edx, dword ptr [esp+20]
01950509 51 push ecx
0195050A 8D4424 1C lea eax, dword ptr [esp+1C]
0195050E 52 push edx
0195050F 50 push eax
01950510 E8 8B660400 call <sub_10086BA0>
01950515 8B4C24 2C mov ecx, dword ptr [esp+2C]
01950519 8B5424 30 mov edx, dword ptr [esp+30]
0195051D 890E mov dword ptr [esi], ecx
0195051F 8956 04 mov dword ptr [esi+4], edx
01950522 83C4 10 add esp, 10
01950525 83C6 08 add esi, 8
01950528 4B dec ebx
01950529 ^ 75 C5 jnz short <loc_100404F0>
0195052B > 8B5C24 54 mov ebx, dword ptr [esp+54]
0195052F 8B7424 50 mov esi, dword ptr [esp+50]
01950533 8B7C24 4C mov edi, dword ptr [esp+4C]
01950537 8D4424 64 lea eax, dword ptr [esp+64]
0195053B 50 push eax
0195053C 6A 0C push 0C
0195053E 68 64D89F01 push 019FD864
01950543 E8 38650400 call <sub_10086A80>
01950548 83C4 0C add esp, 0C
0195054B 85DB test ebx, ebx
0195054D 7E 43 jle short <loc_10040592>
0195054F 83C3 07 add ebx, 7
01950552 2BFE sub edi, esi
01950554 C1EB 03 shr ebx, 3
01950557 > 8B0C37 mov ecx, dword ptr [edi+esi]
0195055A 8B5437 04 mov edx, dword ptr [edi+esi+4]
0195055E 894C24 1C mov dword ptr [esp+1C], ecx
01950562 8D4424 64 lea eax, dword ptr [esp+64]
01950566 895424 20 mov dword ptr [esp+20], edx
0195056A 6A 00 push 0
0195056C 8D4C24 18 lea ecx, dword ptr [esp+18]
01950570 50 push eax
01950571 8D5424 24 lea edx, dword ptr [esp+24]
01950575 51 push ecx
01950576 52 push edx
01950577 E8 24660400 call <sub_10086BA0>
0195057C 8B4424 24 mov eax, dword ptr [esp+24]
01950580 8B4C24 28 mov ecx, dword ptr [esp+28]
01950584 8906 mov dword ptr [esi], eax
01950586 894E 04 mov dword ptr [esi+4], ecx
01950589 83C4 10 add esp, 10
0195058C 83C6 08 add esi, 8
0195058F 4B dec ebx
01950590 ^ 75 C5 jnz short <loc_10040557>
01950592 > 8B5C24 60 mov ebx, dword ptr [esp+60]
01950596 8B7424 5C mov esi, dword ptr [esp+5C]
0195059A 8B7C24 58 mov edi, dword ptr [esp+58]
0195059E 8D5424 64 lea edx, dword ptr [esp+64]
019505A2 52 push edx
019505A3 6A 0C push 0C
019505A5 68 64D89F01 push 019FD864
019505AA E8 D1640400 call <sub_10086A80>
019505AF 83C4 0C add esp, 0C
019505B2 85DB test ebx, ebx
019505B4 7E 43 jle short <loc_100405F9>
019505B6 83C3 07 add ebx, 7
019505B9 2BFE sub edi, esi
019505BB C1EB 03 shr ebx, 3
019505BE > 8B0437 mov eax, dword ptr [edi+esi]
019505C1 8B4C37 04 mov ecx, dword ptr [edi+esi+4]
019505C5 894424 1C mov dword ptr [esp+1C], eax
019505C9 8D5424 64 lea edx, dword ptr [esp+64]
019505CD 894C24 20 mov dword ptr [esp+20], ecx
019505D1 6A 00 push 0
019505D3 8D4424 18 lea eax, dword ptr [esp+18]
019505D7 52 push edx
019505D8 8D4C24 24 lea ecx, dword ptr [esp+24]
019505DC 50 push eax
019505DD 51 push ecx
019505DE E8 BD650400 call <sub_10086BA0>
019505E3 8B5424 24 mov edx, dword ptr [esp+24]
019505E7 8B4424 28 mov eax, dword ptr [esp+28]
019505EB 8916 mov dword ptr [esi], edx
019505ED 8946 04 mov dword ptr [esi+4], eax
019505F0 83C4 10 add esp, 10
019505F3 83C6 08 add esi, 8
019505F6 4B dec ebx
019505F7 ^ 75 C5 jnz short <loc_100405BE>
019505F9 > 8B9424 B0140000 mov edx, dword ptr [esp+14B0]
01950600 8D4C24 2C lea ecx, dword ptr [esp+2C]
01950604 51 push ecx
01950605 52 push edx
01950606 FFD5 call ebp
01950608 8B4424 30 mov eax, dword ptr [esp+30]
0195060C 50 push eax
0195060D E8 B6A50400 call <operator delete(void *)>
01950612 8B4C24 30 mov ecx, dword ptr [esp+30]
01950616 51 push ecx
01950617 E8 ACA50400 call <operator delete(void *)>
0195061C 55 push ebp
0195061D E8 A6A50400 call <operator delete(void *)>
01950622 8B4424 24 mov eax, dword ptr [esp+24]
01950626 83C4 14 add esp, 14
01950629 8D5424 20 lea edx, dword ptr [esp+20]
0195062D 2BC2 sub eax, edx
0195062F 5F pop edi
01950630 F7D8 neg eax
01950632 5E pop esi
01950633 5D pop ebp
01950634 1BC0 sbb eax, eax
01950636 5B pop ebx
01950637 81C4 9C140000 add esp, 149C
0195063D C3 retn
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