2021-09-01 17:40:39 -04:00
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|| - ELF Header
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2021-09-01 14:58:37 -04:00
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00 - Byte 00
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..
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ff - Byte ff
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'a - Character a (byte 0x61)
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'! - Character ! (byte 0x21)
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etc.
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zA - Zero rax
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im - Set rax to an immediate value, e.g.
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im;05;00;00;00;00;00;00;00;
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will set rax to 5.
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ax bx cx dx sp bp si di
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A B C D S R I J
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The instruction for moving one register to another is [dest][src], e.g. CS is
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mov rcx, rsp.
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XA - mov r8, rax
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YA - mov r9, rax
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ZA - mov r10, rax
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xc - xchg rax, rbx
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sq - mov qword [rbx], rax
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lq - mov rax, qword [rbx]
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sd - mov dword [rbx], eax
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ld - mov eax, dword [rbx]
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sw - mov word [rbx], ax
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lw - mov ax, word [rbx]
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sb - mov byte [rbx], al
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lb - mov al, byte [rbx]
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Sq - mov qword [rsp], rax
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Lq - mov rax, qword [rsp]
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nA - neg rax
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+B - add rax, rbx
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-* - imul rbx
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-/ - idiv rbx
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+* - mul rbx
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+/ - div rbx
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!A - not rax
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&B - and rax, rbx
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|B - or rax, rbx
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^B - xor rax, rbx
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<C - shl rax, cl
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<I - shl rax, imm8
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>C - shr rax, cl
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>I - shr rax, imm8
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]C - sar rax, cl
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]I - sar rax, imm8
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-S - sub rsp, imm32
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cm - cmp rax, rbx
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te - test rax, rax
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jm - jmp rel32
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je - je rel32
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jn - jne rel32
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jl - jl rel32
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jb - jb rel32
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ja - ja rel32
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cl - call rax
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re - ret
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sy - syscall
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