diff options
Diffstat (limited to 'ffi/src/lib.rs')
-rw-r--r-- | ffi/src/lib.rs | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/ffi/src/lib.rs b/ffi/src/lib.rs deleted file mode 100644 index ca0bf5c..0000000 --- a/ffi/src/lib.rs +++ /dev/null @@ -1,55 +0,0 @@ -#![no_std] -#![feature(lang_items)] - -#[panic_handler] -#[cold] -fn panic(_panic: &core::panic::PanicInfo) -> ! { - loop {} -} - -#[lang = "eh_personality"] extern fn eh_personality() {} - -use yaxpeax_arch::{Arch, Decoder, LengthedInstruction, AddressBase}; -use yaxpeax_x86::long_mode as amd64; - -use core::fmt::Write; - -#[no_mangle] -pub unsafe extern "C" fn yaxpeax_decode_x86_64_optimistic(data: *const u8, length: u64, inst: *mut amd64::Instruction) -> bool { - let inst: &mut amd64::Instruction = core::mem::transmute(inst); - <amd64::Arch as Arch>::Decoder::default().decode_into(inst, core::slice::from_raw_parts(data as *const u8, length as usize).iter().cloned()).is_err() -} - -#[no_mangle] -pub unsafe extern "C" fn yaxpeax_instr_length_x86_64(inst: *mut amd64::Instruction) -> usize { - let inst: &mut amd64::Instruction = core::mem::transmute(inst); - 0.wrapping_offset(inst.len()).to_linear() -} - -struct InstructionSink<'buf> { - buf: &'buf mut [u8], - offs: usize, -} - -impl<'a> core::fmt::Write for InstructionSink<'a> { - fn write_str(&mut self, s: &str) -> core::fmt::Result { - for b in s.bytes() { - if self.offs < self.buf.len() { - self.buf[self.offs] = b; - self.offs += 1; - } else { - break; - } - } - - Ok(()) - } -} - -#[no_mangle] -pub unsafe extern "C" fn yaxpeax_instr_fmt(inst: *mut amd64::Instruction, text: *mut u8, len: usize) { - let inst: &mut amd64::Instruction = core::mem::transmute(inst); - let res = core::slice::from_raw_parts_mut(text, len); - - write!(InstructionSink { buf: res, offs: 0 }, "{}", inst).unwrap(); -} |