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|
use binaryninja::architecture;
use binaryninja::architecture::{FlagClassId, FlagGroupId, FlagId, FlagRole, FlagWriteId};
use std::borrow::Cow;
use std::collections::HashMap;
// NOTE: GIE, CPUOFF, OSCOFF, SG0, and SG1 not implemented as it's not clear how they would be used
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum Flag {
C,
Z,
N,
V,
}
impl architecture::Flag for Flag {
type FlagClass = FlagClass;
fn name(&self) -> Cow<'_, str> {
match self {
Self::C => "c".into(),
Self::Z => "z".into(),
Self::N => "n".into(),
Self::V => "v".into(),
}
}
fn role(&self, _class: Option<Self::FlagClass>) -> FlagRole {
match self {
Self::C => FlagRole::CarryFlagRole,
Self::Z => FlagRole::ZeroFlagRole,
Self::N => FlagRole::NegativeSignFlagRole,
Self::V => FlagRole::OverflowFlagRole,
}
}
fn id(&self) -> FlagId {
match self {
Self::C => 0,
Self::Z => 1,
Self::N => 2,
Self::V => 8,
}
.into()
}
}
impl TryFrom<FlagId> for Flag {
type Error = ();
fn try_from(flag: FlagId) -> Result<Self, Self::Error> {
match flag.0 {
0 => Ok(Self::C),
1 => Ok(Self::Z),
2 => Ok(Self::N),
8 => Ok(Self::V),
_ => Err(()),
}
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub struct FlagClass {}
impl architecture::FlagClass for FlagClass {
fn name(&self) -> Cow<'_, str> {
unimplemented!()
}
fn id(&self) -> FlagClassId {
unimplemented!()
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum FlagGroup {}
impl architecture::FlagGroup for FlagGroup {
type FlagType = Flag;
type FlagClass = FlagClass;
fn name(&self) -> Cow<'_, str> {
unimplemented!()
}
fn id(&self) -> FlagGroupId {
unimplemented!()
}
fn flags_required(&self) -> Vec<Self::FlagType> {
unimplemented!()
}
fn flag_conditions(&self) -> HashMap<Self::FlagClass, architecture::FlagCondition> {
unimplemented!()
}
}
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
pub enum FlagWrite {
All,
Nz,
Nvz,
Cnz,
}
impl architecture::FlagWrite for FlagWrite {
type FlagType = Flag;
type FlagClass = FlagClass;
fn name(&self) -> Cow<'_, str> {
match self {
Self::All => "*".into(),
Self::Nz => "nz".into(),
Self::Nvz => "nvz".into(),
Self::Cnz => "cnz".into(),
}
}
fn class(&self) -> Option<Self::FlagClass> {
None
}
fn id(&self) -> FlagWriteId {
match self {
Self::All => 1,
Self::Nz => 2,
Self::Nvz => 3,
Self::Cnz => 4,
}
.into()
}
fn flags_written(&self) -> Vec<Self::FlagType> {
match self {
Self::All => vec![Flag::C, Flag::N, Flag::V, Flag::Z],
Self::Nz => vec![Flag::N, Flag::Z],
Self::Nvz => vec![Flag::N, Flag::V, Flag::Z],
Self::Cnz => vec![Flag::C, Flag::N, Flag::Z],
}
}
}
impl TryFrom<FlagWriteId> for FlagWrite {
type Error = ();
fn try_from(value: FlagWriteId) -> Result<Self, Self::Error> {
match value.0 {
1 => Ok(Self::All),
2 => Ok(Self::Nz),
3 => Ok(Self::Nvz),
4 => Ok(Self::Cnz),
_ => Err(()),
}
}
}
|
