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use crate::records::assembly_builder_x_64::AssemblyBuilderX64;
impl AssemblyBuilderX64 {
pub fn nop(&mut self, mut length: u32) {
while length != 0 {
let step = if length > 9 { 9 } else { length };
length -= step;
match step {
1 => {
if self.log_text {
self.log_append(format_args!(" nop\n"));
}
self.place(0x90);
}
2 => {
if self.log_text {
self.log_append(format_args!(" xchg ax, ax ; {}-byte nop\n", step));
}
self.place(0x66);
self.place(0x90);
}
3 => {
if self.log_text {
self.log_append(format_args!(
" nop dword ptr[rax] ; {}-byte nop\n",
step
));
}
self.place(0x0f);
self.place(0x1f);
self.place(0x00);
}
4 => {
if self.log_text {
self.log_append(format_args!(
" nop dword ptr[rax] ; {}-byte nop\n",
step
));
}
self.place(0x0f);
self.place(0x1f);
self.place(0x40);
self.place(0x00);
}
5 => {
if self.log_text {
self.log_append(format_args!(
" nop dword ptr[rax+rax] ; {}-byte nop\n",
step
));
}
self.place(0x0f);
self.place(0x1f);
self.place(0x44);
self.place(0x00);
self.place(0x00);
}
6 => {
if self.log_text {
self.log_append(format_args!(
" nop word ptr[rax+rax] ; {}-byte nop\n",
step
));
}
self.place(0x66);
self.place(0x0f);
self.place(0x1f);
self.place(0x44);
self.place(0x00);
self.place(0x00);
}
7 => {
if self.log_text {
self.log_append(format_args!(
" nop dword ptr[rax] ; {}-byte nop\n",
step
));
}
self.place(0x0f);
self.place(0x1f);
self.place(0x80);
self.place(0x00);
self.place(0x00);
self.place(0x00);
self.place(0x00);
}
8 => {
if self.log_text {
self.log_append(format_args!(
" nop dword ptr[rax+rax] ; {}-byte nop\n",
step
));
}
self.place(0x0f);
self.place(0x1f);
self.place(0x84);
self.place(0x00);
self.place(0x00);
self.place(0x00);
self.place(0x00);
self.place(0x00);
}
9 => {
if self.log_text {
self.log_append(format_args!(
" nop word ptr[rax+rax] ; {}-byte nop\n",
step
));
}
self.place(0x66);
self.place(0x0f);
self.place(0x1f);
self.place(0x84);
self.place(0x00);
self.place(0x00);
self.place(0x00);
self.place(0x00);
self.place(0x00);
}
_ => {}
}
self.commit();
}
}
}