diff options
Diffstat (limited to 'ffi/src/protected_mode.rs')
-rw-r--r-- | ffi/src/protected_mode.rs | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ffi/src/protected_mode.rs b/ffi/src/protected_mode.rs new file mode 100644 index 0000000..fc0c6a9 --- /dev/null +++ b/ffi/src/protected_mode.rs @@ -0,0 +1,35 @@ +use yaxpeax_arch::{Arch, Decoder, LengthedInstruction, AddressBase}; +use yaxpeax_x86::protected_mode; + +#[no_mangle] +pub unsafe extern "C" fn yaxpeax_x86_32_decode_optimistic(data: *const u8, length: u64, inst: *mut protected_mode::Instruction) -> bool { + let inst: &mut protected_mode::Instruction = core::mem::transmute(inst); + <protected_mode::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_x86_32_instr_length(inst: *mut protected_mode::Instruction) -> usize { + let inst: &mut protected_mode::Instruction = core::mem::transmute(inst); + 0.wrapping_offset(inst.len()).to_linear() +} + +#[cfg(fmt)] +mod write_sink; + +#[cfg(fmt)] +mod fmt { + use write_sink::InstructionSink; + + use core::fmt::Write; + + #[no_mangle] + pub unsafe extern "C" fn yaxpeax_x86_32_fmt(inst: *mut protected_mode::Instruction, text: *mut u8, len: usize) { + let inst: &mut protected_mode::Instruction = core::mem::transmute(inst); + let res = core::slice::from_raw_parts_mut(text, len); + + write!(InstructionSink { buf: res, offs: 0 }, "{}", inst).unwrap(); + } +} + +#[cfg(fmt)] +pub use fmt::yaxpeax_x86_32_fmt; |