I will rewrite this sentence, "invalid instruction" is too limited. It should be something like "an instruction that traps, and which isn't already used for another purpose".
Syscalls trap but they are already used; and INT3/CC are valid instructions.
I will rewrite this sentence, "invalid instruction" is too limited. It should be something like "an instruction that traps, and which isn't already used for another purpose". Syscalls trap but they are already used; and INT3/CC are valid instructions.