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Branch destination?

 
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Frouk
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PostPosted: Fri Jul 21, 2023 12:07 pm    Post subject: Branch destination? Reply with quote
How do i get branch destination from opcodes like jmp, call, and etc.?
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ParkourPenguin
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PostPosted: Fri Jul 21, 2023 1:00 pm    Post subject: Reply with quote
That depends on the specific opcode.

If it uses a relative displacement (e.g. `jmp rel32`), then add the signed displacement to EIP/RIP (the address of the next instruction).
If it uses a register (e.g. `jmp [rcx+30]`), then you can't know the destination until the instruction is executed.
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