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Yi-Ting Shih
2025-04-12 08:26:23 +08:00
commit aa66855054
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** program './game' loaded. entry point 0x401000.
401000: b9 05 00 00 00 mov ecx, 5
401005: 48 83 f9 00 cmp rcx, 0
401009: 74 1f je 0x40102a
40100b: e8 2b 00 00 00 call 0x40103b
401010: e8 5c 00 00 00 call 0x401071
** set a breakpoint at 0x4010f1.
** enter a syscall(1) at 0x401052.
401052: 0f 05 syscall
401054: 59 pop rcx
401055: c3 ret
401056: 51 push rcx
401057: b8 01 00 00 00 mov eax, 1
guess a number :
** leave a syscall(1) = 18 at 0x401052.
401052: 0f 05 syscall
401054: 59 pop rcx
401055: c3 ret
401056: 51 push rcx
401057: b8 01 00 00 00 mov eax, 1
** enter a syscall(0) at 0x401088.
401088: 0f 05 syscall
40108a: 59 pop rcx
40108b: c3 ret
40108c: 51 push rcx
40108d: b8 00 00 00 00 mov eax, 0
** leave a syscall(0) = 2 at 0x401088.
401088: 0f 05 syscall
40108a: 59 pop rcx
40108b: c3 ret
40108c: 51 push rcx
40108d: b8 00 00 00 00 mov eax, 0
** hit a breakpoint at 0x4010f1.
4010f1: 48 8d 35 2b 0f 00 00 lea rsi, [rip + 0xf2b]
4010f8: ba 06 00 00 00 mov edx, 6
4010fd: 0f 05 syscall
4010ff: 59 pop rcx
401100: c3 ret
** enter a syscall(1) at 0x4010fd.
4010fd: 0f 05 syscall
4010ff: 59 pop rcx
401100: c3 ret
401101: b8 3c 00 00 00 mov eax, 0x3c
401106: 48 31 ff xor rdi, rdi