Brief notes for me which registers are used when passing function arguments on x86_64: %rdi – 1st argument (%rdi:64, %edi:32, %di:16, %dl:8) %rsi – 2nd argument (%rsi:64, %esi:32, %si:16, %sl:8) %rdx – 3rd argument (%rdx:64, %edx:32, %dx:16, %dl:8) %rcx – 4th argument (%rcx:64, %ecx:32, %cx:16, %cl:8) %r8 – 5th argument (%r8:64, %r8d:32, %r8w:16, %r8b:8) %r9… Continue reading