ポインタ入門 i386 アセンブラ編

C言語のポインタ経由の目盛り書き込みをi386のアセンブリ言語と比較します。

Transcript

1. ポインタ入門 i386 アセンブラ編
2. 00000000:00 00 00 00 00 00 00 00 00000008:00 00 00 00 00 00 00 00 MOV BYTE PTR[0x00000001],0x12 MOV WORD PTR[0x00000004],0xFECA MOV DWORD PTR[0x0000000A],0xEFBEADDE
3. 00000000:00 12 00 00 00 00 00 00 00000008:00 00 00 00 00 00 00 00 MOV BYTE PTR[0x00000001],0x12 MOV WORD PTR[0x00000004],0xFECA MOV DWORD PTR[0x0000000A],0xEFBEADDE
4. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 00 00 00 00 00 00 MOV BYTE PTR[0x00000001],0x12 MOV WORD PTR[0x00000004],0xFECA MOV DWORD PTR[0x0000000A],0xEFBEADDE
5. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 DE AD BE EF 00 00 MOV BYTE PTR[0x00000001],0x12 MOV WORD PTR[0x00000004],0xFECA MOV DWORD PTR[0x0000000A],0xEFBEADDE
6. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 DE AD BE EF 00 00 MOV BYTE PTR[0x00000001],0x12 MOV WORD PTR[0x00000004],0xFECA MOV DWORD PTR[0x0000000A],0xEFBEADDE
7. ポインタ入門 i386 C言語編
8. 00000000:00 00 00 00 00 00 00 00 00000008:00 00 00 00 00 00 00 00 *(char *)0x00000001 = 0x12; *(short *)0x00000004 = 0xFECA; *(long *)0x0000000A = 0xEFBEADDE;
9. 00000000:00 12 00 00 00 00 00 00 00000008:00 00 00 00 00 00 00 00 *(char *)0x00000001 = 0x12; *(short *)0x00000004 = 0xFECA; *(long *)0x0000000A = 0xEFBEADDE;
10. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 00 00 00 00 00 00 *(char *)0x00000001 = 0x12; *(short *)0x00000004 = 0xFECA; *(long *)0x0000000A = 0xEFBEADDE;
11. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 DE AD BE EF 00 00 *(char *)0x00000001 = 0x12; *(short *)0x00000004 = 0xFECA; *(long *)0x0000000A = 0xEFBEADDE;
12. 00000000:00 12 00 00 CA FE 00 00 00000008:00 00 DE AD BE EF 00 00 *(char *)0x00000001 = 0x12; *(short *)0x00000004 = 0xFECA; *(long *)0x0000000A = 0xEFBEADDE;