diff options
Diffstat (limited to 'rust/src/llil/mod.rs')
| -rw-r--r-- | rust/src/llil/mod.rs | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/rust/src/llil/mod.rs b/rust/src/llil/mod.rs new file mode 100644 index 00000000..c3b1b350 --- /dev/null +++ b/rust/src/llil/mod.rs @@ -0,0 +1,80 @@ +use std::fmt; + +// TODO provide some way to forbid emitting register reads for certain registers +// also writing for certain registers (e.g. zero register must prohibit il.set_reg and il.reg +// (replace with nop or const(0) respectively) +// requirements on load/store memory address sizes? +// can reg/set_reg be used with sizes that differ from what is in BNRegisterInfo? + +use crate::architecture::Register as ArchReg; +use crate::architecture::Architecture; +use crate::function::Location; + +mod function; +mod instruction; +mod expression; +mod lifting; +mod block; +pub mod operation; + +pub use self::function::*; +pub use self::instruction::*; +pub use self::expression::*; +pub use self::lifting::{Liftable, LiftableWithSize, Label, ExpressionBuilder, FlagWriteOp, RegisterOrConstant}; +pub use self::lifting::get_default_flag_write_llil; +pub use self::lifting::get_default_flag_cond_llil; + +pub use self::block::Block as LowLevelBlock; +pub use self::block::BlockIter as LowLevelBlockIter; + +pub type Lifter<Arch> = Function<Arch, Mutable, NonSSA<LiftedNonSSA>>; +pub type LiftedFunction<Arch> = Function<Arch, Finalized, NonSSA<LiftedNonSSA>>; +pub type LiftedExpr<'a, Arch> = Expression<'a, Arch, Mutable, NonSSA<LiftedNonSSA>, ValueExpr>; +pub type RegularFunction<Arch> = Function<Arch, Finalized, NonSSA<RegularNonSSA>>; +pub type SSAFunction<Arch> = Function<Arch, Finalized, SSA>; + +#[derive(Copy, Clone)] +pub enum Register<R: ArchReg> { + ArchReg(R), + Temp(u32), +} + +impl<R: ArchReg> Register<R> { + fn id(&self) -> u32 { + match *self { + Register::ArchReg(ref r) => r.id(), + Register::Temp(id) => 0x8000_0000 | id, + } + } +} + +impl<R: ArchReg> fmt::Debug for Register<R> { + fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { + match *self { + Register::ArchReg(ref r) => write!(f, "{}", r.name().as_ref()), + Register::Temp(id) => write!(f, "temp{}", id), + } + } +} + +#[derive(Copy, Clone, Debug)] +pub enum SSARegister<R: ArchReg> { + Full(Register<R>, u32), // no such thing as partial access to a temp register, I think + Partial(R, u32, R), // partial accesses only possible for arch registers, I think +} + +impl<R: ArchReg> SSARegister<R> { + pub fn version(&self) -> u32 { + match *self { + SSARegister::Full(_, ver) | + SSARegister::Partial(_, ver, _) => ver + } + } +} + +pub enum VisitorAction { + Descend, + Sibling, + Halt, +} + |
