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Unicorn rust bindings improvements

This commit is contained in:
Dominik Maier 2021-11-08 19:34:53 +01:00
parent 06f454d513
commit f8f0d4471f
16 changed files with 417 additions and 388 deletions
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2
bindings/rust/Cargo.toml
View File

@ -10,7 +10,7 @@ include = [
"/Cargo.toml",
"/README.md",
"/src/*",
"build.rs"
"build.rs",
]
license = "GPL-2.0"
readme = "README.md"

5
bindings/rust/build.rs
View File

@ -1,11 +1,11 @@
use bytes::Buf;
use flate2::read::GzDecoder;
use reqwest::header::USER_AGENT;
use std::path::PathBuf;
use std::path::{Path, PathBuf};
use std::{env, process::Command};
use tar::Archive;
fn find_unicorn(unicorn_dir: &PathBuf) -> Option<PathBuf> {
fn find_unicorn(unicorn_dir: &Path) -> Option<PathBuf> {
for entry in std::fs::read_dir(unicorn_dir).ok()? {
let entry = entry.unwrap();
let path = entry.path();
@ -49,6 +49,7 @@ fn download_unicorn() -> Option<String> {
}
}
#[allow(clippy::branches_sharing_code)]
fn main() {
let profile = env::var("PROFILE").unwrap();

6
bindings/rust/src/arm.rs
View File

@ -164,3 +164,9 @@ impl RegisterARM {
pub const FP: RegisterARM = RegisterARM::R11;
pub const IP: RegisterARM = RegisterARM::R12;
}
impl From<RegisterARM> for i32 {
fn from(r: RegisterARM) -> Self {
r as i32
}
}

10
bindings/rust/src/arm64.rs
View File

@ -1,9 +1,7 @@
#![allow(non_camel_case_types)]
// For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT
// ARM64 registers
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(non_camel_case_types)]
pub enum RegisterARM64 {
INVALID = 0,
X29 = 1,
@ -319,3 +317,9 @@ impl RegisterARM64 {
pub const FP: RegisterARM64 = RegisterARM64::X29;
pub const LR: RegisterARM64 = RegisterARM64::X30;
}
impl From<RegisterARM64> for i32 {
fn from(r: RegisterARM64) -> Self {
r as i32
}
}

189
bindings/rust/src/ffi.rs
View File

@ -1,10 +1,11 @@
#![allow(non_camel_case_types)]
#![allow(dead_code)]
use super::unicorn_const::*;
use crate::Unicorn;
use super::unicorn_const::{uc_error, Arch, HookType, MemRegion, MemType, Mode, Query};
use libc::{c_char, c_int};
use std::ffi::c_void;
use std::pin::Pin;
use std::{ffi::c_void, marker::PhantomData};
pub type uc_handle = *mut c_void;
pub type uc_hook = *mut c_void;
@ -75,156 +76,120 @@ extern "C" {
pub fn uc_context_alloc(engine: uc_handle, context: *mut uc_context) -> uc_error;
pub fn uc_context_save(engine: uc_handle, context: uc_context) -> uc_error;
pub fn uc_context_restore(engine: uc_handle, context: uc_context) -> uc_error;
pub fn uc_set_data_ptr(engine: uc_handle, ptr: *mut c_void) -> uc_error;
pub fn uc_get_data_ptr(engine: uc_handle) -> *mut c_void;
}
pub struct CodeHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, u64, u32)>,
pub struct UcHook<'a, D: 'a, F: 'a> {
pub callback: F,
pub phantom: PhantomData<&'a D>,
}
pub struct BlockHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, u64, u32)>,
pub trait IsUcHook<'a> {}
impl<'a, D, F> IsUcHook<'a> for UcHook<'a, D, F> {}
fn read_uc_from_uc_handle<'a, D>(uc: uc_handle) -> &'a mut crate::Unicorn<'a, D>
where
D: 'a,
{
unsafe {
(uc_get_data_ptr(uc) as *mut Unicorn<'a, D>)
.as_mut()
.unwrap()
}
}
pub struct MemHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, MemType, u64, usize, i64)>,
}
pub struct InterruptHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, u32)>,
}
pub struct InstructionInHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, u32, usize)>,
}
pub struct InstructionOutHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle, u32, usize, u32)>,
}
pub struct InstructionSysHook {
pub unicorn: *mut crate::UnicornInner,
pub callback: Box<dyn FnMut(crate::UnicornHandle)>,
}
pub extern "C" fn code_hook_proxy(
pub extern "C" fn code_hook_proxy<D, F>(
uc: uc_handle,
address: u64,
size: u32,
user_data: *mut CodeHook,
) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
user_data: *mut UcHook<D, F>,
) where
F: FnMut(&mut crate::Unicorn<D>, u64, u32),
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
address,
size,
);
callback(unicorn, address, size);
}
pub extern "C" fn block_hook_proxy(
pub extern "C" fn block_hook_proxy<D, F>(
uc: uc_handle,
address: u64,
size: u32,
user_data: *mut BlockHook,
) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
user_data: *mut UcHook<D, F>,
) where
F: FnMut(&mut crate::Unicorn<D>, u64, u32),
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
address,
size,
);
callback(unicorn, address, size);
}
pub extern "C" fn mem_hook_proxy(
pub extern "C" fn mem_hook_proxy<D, F>(
uc: uc_handle,
mem_type: MemType,
address: u64,
size: u32,
value: i64,
user_data: *mut MemHook,
) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
user_data: *mut UcHook<D, F>,
) -> bool
where
F: FnMut(&mut crate::Unicorn<D>, MemType, u64, usize, i64) -> bool,
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
mem_type,
address,
size as usize,
value,
);
callback(unicorn, mem_type, address, size as usize, value)
}
pub extern "C" fn intr_hook_proxy(uc: uc_handle, value: u32, user_data: *mut InterruptHook) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
pub extern "C" fn intr_hook_proxy<D, F>(uc: uc_handle, value: u32, user_data: *mut UcHook<D, F>)
where
F: FnMut(&mut crate::Unicorn<D>, u32),
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
value,
);
callback(unicorn, value);
}
pub extern "C" fn insn_in_hook_proxy(
pub extern "C" fn insn_in_hook_proxy<D, F>(
uc: uc_handle,
port: u32,
size: usize,
user_data: *mut InstructionInHook,
) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
user_data: *mut UcHook<D, F>,
) where
F: FnMut(&mut crate::Unicorn<D>, u32, usize),
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
port,
size,
);
callback(unicorn, port, size);
}
pub extern "C" fn insn_out_hook_proxy(
pub extern "C" fn insn_out_hook_proxy<D, F>(
uc: uc_handle,
port: u32,
size: usize,
value: u32,
user_data: *mut InstructionOutHook,
) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
user_data: *mut UcHook<D, F>,
) where
F: FnMut(&mut crate::Unicorn<D>, u32, usize, u32),
{
let unicorn = read_uc_from_uc_handle(uc);
let callback = unsafe { &mut (*user_data).callback };
assert_eq!(uc, unicorn.uc);
callback(
crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
},
port,
size,
value,
);
callback(unicorn, port, size, value);
}
pub extern "C" fn insn_sys_hook_proxy(uc: uc_handle, user_data: *mut InstructionSysHook) {
let unicorn = unsafe { &mut *(*user_data).unicorn };
let callback = &mut unsafe { &mut *(*user_data).callback };
pub extern "C" fn insn_sys_hook_proxy<D, F>(uc: uc_handle, user_data: *mut UcHook<D, F>)
where
F: FnMut(&mut crate::Unicorn<D>),
{
let unicorn = read_uc_from_uc_handle(uc);
assert_eq!(uc, unicorn.uc);
callback(crate::UnicornHandle {
inner: unsafe { Pin::new_unchecked(unicorn) },
});
let callback = unsafe { &mut (*user_data).callback };
callback(unicorn);
}

421
bindings/rust/src/lib.rs
View File

@ -9,7 +9,7 @@
//! use unicorn_engine::RegisterARM;
//! use unicorn_engine::unicorn_const::{Arch, Mode, Permission, SECOND_SCALE};
//!
//! fn main() {
//! fn emulate() {
//! let arm_code32: Vec<u8> = vec![0x17, 0x00, 0x40, 0xe2]; // sub r0, #23
//!
//! let mut unicorn = unicorn_engine::Unicorn::new(Arch::ARM, Mode::LITTLE_ENDIAN).expect("failed to initialize Unicorn instance");
@ -35,17 +35,15 @@ mod arm64;
mod m68k;
mod mips;
mod ppc;
mod riscv;
mod sparc;
mod x86;
pub use crate::{arm::*, arm64::*, m68k::*, mips::*, ppc::*, riscv::*, sparc::*, x86::*};
use std::{marker::PhantomData, ptr};
pub use crate::{arm::*, arm64::*, m68k::*, mips::*, ppc::*, sparc::*, x86::*};
use ffi::uc_handle;
use std::collections::HashMap;
use std::ffi::c_void;
use std::marker::PhantomPinned;
use std::pin::Pin;
use unicorn_const::*;
use libc::c_void;
use unicorn_const::{uc_error, Arch, HookType, MemRegion, MemType, Mode, Permission, Query};
#[derive(Debug)]
pub struct Context {
@ -53,106 +51,127 @@ pub struct Context {
}
impl Context {
#[must_use]
pub fn new() -> Self {
Context { context: 0 }
}
#[must_use]
pub fn is_initialized(&self) -> bool {
self.context != 0
}
}
impl Drop for Context {
fn drop(&mut self) {
unsafe { ffi::uc_context_free(self.context) };
impl Default for Context {
fn default() -> Self {
Self::new()
}
}
impl Drop for Context {
fn drop(&mut self) {
if self.is_initialized() {
unsafe {
ffi::uc_context_free(self.context);
}
}
self.context = 0;
}
}
#[derive(Debug)]
/// A Unicorn emulator instance.
pub struct Unicorn {
inner: Pin<Box<UnicornInner>>,
}
#[derive(Debug)]
/// Handle used to safely access exposed functions and data of a Unicorn instance.
pub struct UnicornHandle<'a> {
inner: Pin<&'a mut UnicornInner>,
}
/// Internal Management struct
pub struct UnicornInner {
pub struct Unicorn<'a, D: 'a> {
pub uc: uc_handle,
pub arch: Arch,
pub code_hooks: HashMap<*mut libc::c_void, Box<ffi::CodeHook>>,
pub block_hooks: HashMap<*mut libc::c_void, Box<ffi::BlockHook>>,
pub mem_hooks: HashMap<*mut libc::c_void, Box<ffi::MemHook>>,
pub intr_hooks: HashMap<*mut libc::c_void, Box<ffi::InterruptHook>>,
pub insn_in_hooks: HashMap<*mut libc::c_void, Box<ffi::InstructionInHook>>,
pub insn_out_hooks: HashMap<*mut libc::c_void, Box<ffi::InstructionOutHook>>,
pub insn_sys_hooks: HashMap<*mut libc::c_void, Box<ffi::InstructionSysHook>>,
_pin: PhantomPinned,
/// to keep ownership over the hook for this uc instance's lifetime
pub hooks: Vec<(ffi::uc_hook, Box<dyn ffi::IsUcHook<'a> + 'a>)>,
pub data: D,
}
impl Unicorn {
impl Unicorn<()> {
/// Create a new instance of the unicorn engine for the specified architecture
/// and hardware mode.
pub fn new(arch: Arch, mode: Mode) -> Result<Unicorn, uc_error> {
pub fn new(arch: Arch, mode: Mode) -> Result<Unicorn<'a, ()>, uc_error> {
Self::new_with_data(arch, mode, ())
}
}
impl<'a, D> Unicorn<'a, D>
where
D: 'a,
{
/// Create a new instance of the unicorn engine for the specified architecture
/// and hardware mode.
pub fn new(arch: Arch, mode: Mode) -> Result<Unicorn<'a, ()>, uc_error> {
Self::new_with_data(arch, mode, ())
}
/// Create a new instance of the unicorn engine for the specified architecture
/// and hardware mode.
pub fn new_with_data(arch: Arch, mode: Mode, data: D) -> Result<Unicorn<'a, D>, uc_error> {
let mut handle = std::ptr::null_mut();
let err = unsafe { ffi::uc_open(arch, mode, &mut handle) };
if err == uc_error::OK {
Ok(Unicorn {
inner: Box::pin(UnicornInner {
uc: handle,
arch: arch,
code_hooks: HashMap::new(),
block_hooks: HashMap::new(),
mem_hooks: HashMap::new(),
intr_hooks: HashMap::new(),
insn_in_hooks: HashMap::new(),
insn_out_hooks: HashMap::new(),
insn_sys_hooks: HashMap::new(),
_pin: std::marker::PhantomPinned,
}),
uc: handle,
arch,
data,
hooks: vec![],
})
} else {
Err(err)
}
}
pub fn borrow<'a>(&'a mut self) -> UnicornHandle<'a> {
UnicornHandle {
inner: self.inner.as_mut(),
}
}
}
impl Drop for Unicorn {
/// Drop UC
/// TODO: !!! Right now, this leaks the unicorn instance on purpose.
/// UC 1 for some platforms, for example aarch64, seems to crash on cleanup.
/// After updating to Unicorn 2, we should call `uc_close` again!
impl<'a, D> Drop for Unicorn<'a, D> {
fn drop(&mut self) {
unsafe { ffi::uc_close(self.inner.uc) };
if !self.uc.is_null() {
// TODO: !!!
// This is a deliberate leak, get rid of it after updating to UC2!
// unsafe { ffi::uc_close(self.uc) };
}
self.uc = ptr::null_mut();
}
}
impl std::fmt::Debug for UnicornInner {
impl<'a, D> std::fmt::Debug for Unicorn<'a, D> {
fn fmt(&self, formatter: &mut std::fmt::Formatter) -> std::fmt::Result {
write!(formatter, "Unicorn {{ uc: {:p} }}", self.uc)
}
}
impl<'a> UnicornHandle<'a> {
impl<'a, D> Unicorn<'a, D> {
/// Return whatever data was passed during initialization.
///
/// For an example, have a look at `utils::init_emu_with_heap` where
/// a struct is passed which is used for a custom allocator.
pub fn get_data(&self) -> &D {
&self.data
}
/// Return a mutable reference to whatever data was passed during initialization.
pub fn get_data_mut(&mut self) -> &mut D {
&mut self.data
}
/// Return the architecture of the current emulator.
pub fn get_arch(&self) -> Arch {
self.inner.arch
self.arch
}
/// Returns a vector with the memory regions that are mapped in the emulator.
pub fn mem_regions(&self) -> Result<Vec<MemRegion>, uc_error> {
let mut nb_regions: u32 = 0;
let mut p_regions: *const MemRegion = std::ptr::null_mut();
let err = unsafe { ffi::uc_mem_regions(self.inner.uc, &mut p_regions, &mut nb_regions) };
let p_regions: *const MemRegion = std::ptr::null_mut();
let err = unsafe { ffi::uc_mem_regions(self.uc, &p_regions, &mut nb_regions) };
if err == uc_error::OK {
let mut regions = Vec::new();
for i in 0..nb_regions {
regions.push(unsafe { std::mem::transmute_copy(&*p_regions.offset(i as isize)) });
regions.push(unsafe { std::mem::transmute_copy(&*p_regions.add(i as usize)) });
}
unsafe { libc::free(p_regions as _) };
Ok(regions)
@ -163,7 +182,7 @@ impl<'a> UnicornHandle<'a> {
/// Read a range of bytes from memory at the specified address.
pub fn mem_read(&self, address: u64, buf: &mut [u8]) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_read(self.inner.uc, address, buf.as_mut_ptr(), buf.len()) };
let err = unsafe { ffi::uc_mem_read(self.uc, address, buf.as_mut_ptr(), buf.len()) };
if err == uc_error::OK {
Ok(())
} else {
@ -174,7 +193,7 @@ impl<'a> UnicornHandle<'a> {
/// Return a range of bytes from memory at the specified address as vector.
pub fn mem_read_as_vec(&self, address: u64, size: usize) -> Result<Vec<u8>, uc_error> {
let mut buf = vec![0; size];
let err = unsafe { ffi::uc_mem_read(self.inner.uc, address, buf.as_mut_ptr(), size) };
let err = unsafe { ffi::uc_mem_read(self.uc, address, buf.as_mut_ptr(), size) };
if err == uc_error::OK {
Ok(buf)
} else {
@ -183,7 +202,7 @@ impl<'a> UnicornHandle<'a> {
}
pub fn mem_write(&mut self, address: u64, bytes: &[u8]) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_write(self.inner.uc, address, bytes.as_ptr(), bytes.len()) };
let err = unsafe { ffi::uc_mem_write(self.uc, address, bytes.as_ptr(), bytes.len()) };
if err == uc_error::OK {
Ok(())
} else {
@ -193,6 +212,8 @@ impl<'a> UnicornHandle<'a> {
/// Map an existing memory region in the emulator at the specified address.
///
/// # Safety
///
/// This function is marked unsafe because it is the responsibility of the caller to
/// ensure that `size` matches the size of the passed buffer, an invalid `size` value will
/// likely cause a crash in unicorn.
@ -202,14 +223,14 @@ impl<'a> UnicornHandle<'a> {
/// `size` must be a multiple of 4kb or this will return `Error::ARG`.
///
/// `ptr` is a pointer to the provided memory region that will be used by the emulator.
pub fn mem_map_ptr(
pub unsafe fn mem_map_ptr(
&mut self,
address: u64,
size: usize,
perms: Permission,
ptr: *mut c_void,
) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_map_ptr(self.inner.uc, address, size, perms.bits(), ptr) };
let err = ffi::uc_mem_map_ptr(self.uc, address, size, perms.bits(), ptr);
if err == uc_error::OK {
Ok(())
} else {
@ -227,7 +248,7 @@ impl<'a> UnicornHandle<'a> {
size: libc::size_t,
perms: Permission,
) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_map(self.inner.uc, address, size, perms.bits()) };
let err = unsafe { ffi::uc_mem_map(self.uc, address, size, perms.bits()) };
if err == uc_error::OK {
Ok(())
} else {
@ -240,7 +261,7 @@ impl<'a> UnicornHandle<'a> {
/// `address` must be aligned to 4kb or this will return `Error::ARG`.
/// `size` must be a multiple of 4kb or this will return `Error::ARG`.
pub fn mem_unmap(&mut self, address: u64, size: libc::size_t) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_unmap(self.inner.uc, address, size) };
let err = unsafe { ffi::uc_mem_unmap(self.uc, address, size) };
if err == uc_error::OK {
Ok(())
} else {
@ -258,7 +279,7 @@ impl<'a> UnicornHandle<'a> {
size: libc::size_t,
perms: Permission,
) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_mem_protect(self.inner.uc, address, size, perms.bits()) };
let err = unsafe { ffi::uc_mem_protect(self.uc, address, size, perms.bits()) };
if err == uc_error::OK {
Ok(())
} else {
@ -268,8 +289,7 @@ impl<'a> UnicornHandle<'a> {
/// Write an unsigned value from a register.
pub fn reg_write<T: Into<i32>>(&mut self, regid: T, value: u64) -> Result<(), uc_error> {
let err =
unsafe { ffi::uc_reg_write(self.inner.uc, regid.into(), &value as *const _ as _) };
let err = unsafe { ffi::uc_reg_write(self.uc, regid.into(), &value as *const _ as _) };
if err == uc_error::OK {
Ok(())
} else {
@ -281,8 +301,8 @@ impl<'a> UnicornHandle<'a> {
///
/// The user has to make sure that the buffer length matches the register size.
/// This adds support for registers >64 bit (GDTR/IDTR, XMM, YMM, ZMM (x86); Q, V (arm64)).
pub fn reg_write_long<T: Into<i32>>(&self, regid: T, value: Box<[u8]>) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_reg_write(self.inner.uc, regid.into(), value.as_ptr() as _) };
pub fn reg_write_long<T: Into<i32>>(&self, regid: T, value: &[u8]) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_reg_write(self.uc, regid.into(), value.as_ptr() as _) };
if err == uc_error::OK {
Ok(())
} else {
@ -295,8 +315,7 @@ impl<'a> UnicornHandle<'a> {
/// Not to be used with registers larger than 64 bit.
pub fn reg_read<T: Into<i32>>(&self, regid: T) -> Result<u64, uc_error> {
let mut value: u64 = 0;
let err =
unsafe { ffi::uc_reg_read(self.inner.uc, regid.into(), &mut value as *mut u64 as _) };
let err = unsafe { ffi::uc_reg_read(self.uc, regid.into(), &mut value as *mut u64 as _) };
if err == uc_error::OK {
Ok(value)
} else {
@ -306,7 +325,7 @@ impl<'a> UnicornHandle<'a> {
/// Read 128, 256 or 512 bit register value into heap allocated byte array.
///
/// This adds safe support for registers >64 bit (GDTR/IDTR, XMM, YMM, ZMM, ST (x86); Q, V (arm64)).
/// This adds safe support for registers >64 bit (GDTR/IDTR, XMM, YMM, ZMM (x86); Q, V (arm64)).
pub fn reg_read_long<T: Into<i32>>(&self, regid: T) -> Result<Box<[u8]>, uc_error> {
let err: uc_error;
let boxed: Box<[u8]>;
@ -329,8 +348,6 @@ impl<'a> UnicornHandle<'a> {
value = vec![0; 64];
} else if curr_reg_id == x86::RegisterX86::GDTR as i32
|| curr_reg_id == x86::RegisterX86::IDTR as i32
|| (curr_reg_id >= x86::RegisterX86::ST0 as i32
&& curr_reg_id <= x86::RegisterX86::ST7 as i32)
{
value = vec![0; 10]; // 64 bit base address in IA-32e mode
} else {
@ -350,7 +367,7 @@ impl<'a> UnicornHandle<'a> {
return Err(uc_error::ARCH);
}
err = unsafe { ffi::uc_reg_read(self.inner.uc, curr_reg_id, value.as_mut_ptr() as _) };
err = unsafe { ffi::uc_reg_read(self.uc, curr_reg_id, value.as_mut_ptr() as _) };
if err == uc_error::OK {
boxed = value.into_boxed_slice();
@ -363,8 +380,7 @@ impl<'a> UnicornHandle<'a> {
/// Read a signed 32-bit value from a register.
pub fn reg_read_i32<T: Into<i32>>(&self, regid: T) -> Result<i32, uc_error> {
let mut value: i32 = 0;
let err =
unsafe { ffi::uc_reg_read(self.inner.uc, regid.into(), &mut value as *mut i32 as _) };
let err = unsafe { ffi::uc_reg_read(self.uc, regid.into(), &mut value as *mut i32 as _) };
if err == uc_error::OK {
Ok(value)
} else {
@ -373,36 +389,34 @@ impl<'a> UnicornHandle<'a> {
}
/// Add a code hook.
pub fn add_code_hook<F: 'static>(
pub fn add_code_hook<F: 'a>(
&mut self,
begin: u64,
end: u64,
callback: F,
) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, u64, u32),
F: FnMut(&mut crate::Unicorn<D>, u64, u32) + 'a,
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::CodeHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::CODE,
ffi::code_hook_proxy as _,
ffi::code_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
begin,
end,
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.code_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -410,31 +424,30 @@ impl<'a> UnicornHandle<'a> {
}
/// Add a block hook.
pub fn add_block_hook<F: 'static>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
pub fn add_block_hook<F: 'a>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, u64, u32),
F: FnMut(&mut Unicorn<D>, u64, u32),
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::BlockHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::BLOCK,
ffi::block_hook_proxy as _,
ffi::block_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
1,
0,
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.block_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -442,7 +455,7 @@ impl<'a> UnicornHandle<'a> {
}
/// Add a memory hook.
pub fn add_mem_hook<F: 'static>(
pub fn add_mem_hook<F: 'a>(
&mut self,
hook_type: HookType,
begin: u64,
@ -450,33 +463,32 @@ impl<'a> UnicornHandle<'a> {
callback: F,
) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, MemType, u64, usize, i64),
F: FnMut(&mut Unicorn<D>, MemType, u64, usize, i64) -> bool,
{
if !(HookType::MEM_ALL | HookType::MEM_READ_AFTER).contains(hook_type) {
return Err(uc_error::ARG);
}
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::MemHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
hook_type,
ffi::mem_hook_proxy as _,
ffi::mem_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
begin,
end,
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.mem_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -484,31 +496,30 @@ impl<'a> UnicornHandle<'a> {
}
/// Add an interrupt hook.
pub fn add_intr_hook<F: 'static>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
pub fn add_intr_hook<F: 'a>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, u32),
F: FnMut(&mut Unicorn<D>, u32),
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::InterruptHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::INTR,
ffi::intr_hook_proxy as _,
ffi::intr_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
0,
0,
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.intr_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -516,22 +527,22 @@ impl<'a> UnicornHandle<'a> {
}
/// Add hook for x86 IN instruction.
pub fn add_insn_in_hook<F: 'static>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
pub fn add_insn_in_hook<F: 'a>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, u32, usize),
F: FnMut(&mut Unicorn<D>, u32, usize) + 'a,
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::InstructionInHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::INSN,
ffi::insn_in_hook_proxy as _,
ffi::insn_in_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
0,
0,
@ -539,9 +550,8 @@ impl<'a> UnicornHandle<'a> {
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.insn_in_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -549,22 +559,22 @@ impl<'a> UnicornHandle<'a> {
}
/// Add hook for x86 OUT instruction.
pub fn add_insn_out_hook<F: 'static>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
pub fn add_insn_out_hook<F: 'a>(&mut self, callback: F) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle, u32, usize, u32),
F: FnMut(&mut Unicorn<D>, u32, usize, u32) + 'a,
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::InstructionOutHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::INSN,
ffi::insn_out_hook_proxy as _,
ffi::insn_out_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
0,
0,
@ -572,9 +582,8 @@ impl<'a> UnicornHandle<'a> {
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.insn_out_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -582,7 +591,7 @@ impl<'a> UnicornHandle<'a> {
}
/// Add hook for x86 SYSCALL or SYSENTER.
pub fn add_insn_sys_hook<F: 'static>(
pub fn add_insn_sys_hook<F>(
&mut self,
insn_type: x86::InsnSysX86,
begin: u64,
@ -590,20 +599,20 @@ impl<'a> UnicornHandle<'a> {
callback: F,
) -> Result<ffi::uc_hook, uc_error>
where
F: FnMut(UnicornHandle),
F: FnMut(&mut Unicorn<D>) + 'a,
{
let mut hook_ptr = std::ptr::null_mut();
let mut user_data = Box::new(ffi::InstructionSysHook {
unicorn: unsafe { self.inner.as_mut().get_unchecked_mut() } as _,
callback: Box::new(callback),
let mut user_data = Box::new(ffi::UcHook {
callback,
phantom: PhantomData::<&D>,
});
let err = unsafe {
ffi::uc_hook_add(
self.inner.uc,
self.uc,
&mut hook_ptr,
HookType::INSN,
ffi::insn_sys_hook_proxy as _,
ffi::insn_sys_hook_proxy::<D, F> as _,
user_data.as_mut() as *mut _ as _,
begin,
end,
@ -611,9 +620,8 @@ impl<'a> UnicornHandle<'a> {
)
};
if err == uc_error::OK {
unsafe { self.inner.as_mut().get_unchecked_mut() }
.insn_sys_hooks
.insert(hook_ptr, user_data);
self.hooks.push((hook_ptr, user_data));
Ok(hook_ptr)
} else {
Err(err)
@ -624,50 +632,13 @@ impl<'a> UnicornHandle<'a> {
///
/// `hook` is the value returned by `add_*_hook` functions.
pub fn remove_hook(&mut self, hook: ffi::uc_hook) -> Result<(), uc_error> {
let handle = unsafe { self.inner.as_mut().get_unchecked_mut() };
let err: uc_error;
let mut in_one_hashmap = false;
if handle.code_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.code_hooks.remove(&hook);
}
// drop the hook
self.hooks
.retain(|(hook_ptr, _hook_impl)| hook_ptr != &hook);
if handle.mem_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.mem_hooks.remove(&hook);
}
if handle.block_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.block_hooks.remove(&hook);
}
if handle.intr_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.intr_hooks.remove(&hook);
}
if handle.insn_in_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.insn_in_hooks.remove(&hook);
}
if handle.insn_out_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.insn_out_hooks.remove(&hook);
}
if handle.insn_sys_hooks.contains_key(&hook) {
in_one_hashmap = true;
handle.insn_sys_hooks.remove(&hook);
}
if in_one_hashmap {
err = unsafe { ffi::uc_hook_del(handle.uc, hook) };
} else {
err = uc_error::HOOK;
}
err = unsafe { ffi::uc_hook_del(self.uc, hook) };
if err == uc_error::OK {
Ok(())
@ -678,10 +649,10 @@ impl<'a> UnicornHandle<'a> {
/// Allocate and return an empty Unicorn context.
///
/// To be populated via context_save.
/// To be populated via `context_save`.
pub fn context_alloc(&self) -> Result<Context, uc_error> {
let mut empty_context: ffi::uc_context = Default::default();
let err = unsafe { ffi::uc_context_alloc(self.inner.uc, &mut empty_context) };
let err = unsafe { ffi::uc_context_alloc(self.uc, &mut empty_context) };
if err == uc_error::OK {
Ok(Context {
context: empty_context,
@ -693,7 +664,7 @@ impl<'a> UnicornHandle<'a> {
/// Save current Unicorn context to previously allocated Context struct.
pub fn context_save(&self, context: &mut Context) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_context_save(self.inner.uc, context.context) };
let err = unsafe { ffi::uc_context_save(self.uc, context.context) };
if err == uc_error::OK {
Ok(())
} else {
@ -703,16 +674,16 @@ impl<'a> UnicornHandle<'a> {
/// Allocate and return a Context struct initialized with the current CPU context.
///
/// This can be used for fast rollbacks with context_restore.
/// In case of many non-concurrent context saves, use context_alloc and *_save
/// This can be used for fast rollbacks with `context_restore`.
/// In case of many non-concurrent context saves, use `context_alloc` and *_save
/// individually to avoid unnecessary allocations.
pub fn context_init(&self) -> Result<Context, uc_error> {
let mut new_context: ffi::uc_context = Default::default();
let err = unsafe { ffi::uc_context_alloc(self.inner.uc, &mut new_context) };
let err = unsafe { ffi::uc_context_alloc(self.uc, &mut new_context) };
if err != uc_error::OK {
return Err(err);
}
let err = unsafe { ffi::uc_context_save(self.inner.uc, new_context) };
let err = unsafe { ffi::uc_context_save(self.uc, new_context) };
if err == uc_error::OK {
Ok(Context {
context: new_context,
@ -729,7 +700,7 @@ impl<'a> UnicornHandle<'a> {
/// internal metadata. Contexts may not be shared across engine instances with
/// differing arches or modes. Memory has to be restored manually, if needed.
pub fn context_restore(&self, context: &Context) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_context_restore(self.inner.uc, context.context) };
let err = unsafe { ffi::uc_context_restore(self.uc, context.context) };
if err == uc_error::OK {
Ok(())
} else {
@ -750,11 +721,15 @@ impl<'a> UnicornHandle<'a> {
timeout: u64,
count: usize,
) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_emu_start(self.inner.uc, begin, until, timeout, count as _) };
if err == uc_error::OK {
Ok(())
} else {
Err(err)
unsafe {
ffi::uc_set_data_ptr(self.uc, self as *mut _ as *mut _);
let err = ffi::uc_emu_start(self.uc, begin, until, timeout, count as _);
ffi::uc_set_data_ptr(self.uc, ptr::null_mut());
if err == uc_error::OK {
Ok(())
} else {
Err(err)
}
}
}
@ -763,7 +738,7 @@ impl<'a> UnicornHandle<'a> {
/// This is usually called from callback function in hooks.
/// NOTE: For now, this will stop the execution only after the current block.
pub fn emu_stop(&mut self) -> Result<(), uc_error> {
let err = unsafe { ffi::uc_emu_stop(self.inner.uc) };
let err = unsafe { ffi::uc_emu_stop(self.uc) };
if err == uc_error::OK {
Ok(())
} else {
@ -773,14 +748,46 @@ impl<'a> UnicornHandle<'a> {
/// Query the internal status of the engine.
///
/// supported: MODE, PAGE_SIZE, ARCH
/// supported: `MODE`, `PAGE_SIZE`, `ARCH`
pub fn query(&self, query: Query) -> Result<usize, uc_error> {
let mut result: libc::size_t = Default::default();
let err = unsafe { ffi::uc_query(self.inner.uc, query, &mut result) };
let err = unsafe { ffi::uc_query(self.uc, query, &mut result) };
if err == uc_error::OK {
Ok(result)
} else {
Err(err)
}
}
/// Gets the current program counter for this `unicorn` instance.
#[inline]
pub fn pc_read(&self) -> Result<u64, uc_error> {
let arch = self.get_arch();
let reg = match arch {
Arch::X86 => RegisterX86::RIP as i32,
Arch::ARM => RegisterARM::PC as i32,
Arch::ARM64 => RegisterARM64::PC as i32,
Arch::MIPS => RegisterMIPS::PC as i32,
Arch::SPARC => RegisterSPARC::PC as i32,
Arch::M68K => RegisterM68K::PC as i32,
_ => panic!("Arch pc not yet know to the unicorn rust bindings"),
};
self.reg_read(reg)
}
/// Sets the program counter for this `unicorn` instance.
#[inline]
pub fn set_pc(&mut self, value: u64) -> Result<(), uc_error> {
let arch = self.get_arch();
let reg = match arch {
Arch::X86 => RegisterX86::RIP as i32,
Arch::ARM => RegisterARM::PC as i32,
Arch::ARM64 => RegisterARM64::PC as i32,
Arch::MIPS => RegisterMIPS::PC as i32,
Arch::SPARC => RegisterSPARC::PC as i32,
Arch::M68K => RegisterM68K::PC as i32,
_ => panic!("Arch not yet known to the unicorn rust bindings"),
};
self.reg_write(reg, value)
}
}

7
bindings/rust/src/m68k.rs
View File

@ -21,5 +21,10 @@ pub enum RegisterM68K {
D7,
SR,
PC,
ENDING,
}
impl From<RegisterM68K> for i32 {
fn from(r: RegisterM68K) -> Self {
r as i32
}
}

6
bindings/rust/src/mips.rs
View File

@ -245,3 +245,9 @@ impl RegisterMIPS {
pub const LO2: RegisterMIPS = RegisterMIPS::AC2;
pub const LO3: RegisterMIPS = RegisterMIPS::AC3;
}
impl From<RegisterMIPS> for i32 {
fn from(r: RegisterMIPS) -> Self {
r as i32
}
}

6
bindings/rust/src/ppc.rs
View File

@ -40,3 +40,9 @@ pub enum RegisterPPC {
GPR30 = 32,
GPR31 = 33,
}
impl From<RegisterPPC> for i32 {
fn from(r: RegisterPPC) -> Self {
r as i32
}
}

6
bindings/rust/src/riscv.rs
View File

@ -211,3 +211,9 @@ impl RegisterRISCV {
pub const FT10: RegisterRISCV = RegisterRISCV::F30;
pub const FT11: RegisterRISCV = RegisterRISCV::F31;
}
impl From<RegisterRISCV> for i32 {
fn from(r: RegisterRISCV) -> Self {
r as i32
}
}

14
bindings/rust/src/sparc.rs
View File

@ -1,8 +1,7 @@
// For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT
// SPARC registers
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms)]
pub enum RegisterSPARC {
INVALID = 0,
F0 = 1,
@ -93,13 +92,10 @@ pub enum RegisterSPARC {
Y = 86,
XCC = 87,
PC = 88,
ENDING = 89,
}
impl RegisterSPARC {
// alias registers
// (assoc) O6 = 84,
// (assoc) I6 = 67,
pub const O6: RegisterSPARC = RegisterSPARC::SP;
pub const I6: RegisterSPARC = RegisterSPARC::FP;
impl From<RegisterSPARC> for i32 {
fn from(r: RegisterSPARC) -> Self {
r as i32
}
}

2
bindings/rust/src/unicorn_const.rs
View File

@ -11,6 +11,7 @@ pub const MILISECOND_SCALE: u64 = 1_000;
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms)]
pub enum uc_error {
OK = 0,
NOMEM = 1,
@ -89,6 +90,7 @@ bitflags! {
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms)]
pub enum Query {
MODE = 1,
PAGE_SIZE = 2,

12
bindings/rust/src/x86.rs
View File

@ -1,9 +1,7 @@
#![allow(non_camel_case_types)]
// For Unicorn Engine. AUTO-GENERATED FILE, DO NOT EDIT
// X86 registers
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms, non_camel_case_types)]
pub enum RegisterX86 {
INVALID = 0,
AH = 1,
@ -242,8 +240,15 @@ pub enum RegisterX86 {
ENDING = 234,
}
impl From<RegisterX86> for i32 {
fn from(r: RegisterX86) -> Self {
r as i32
}
}
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms)]
pub enum InsnX86 {
IN = 218,
OUT = 500,
@ -254,6 +259,7 @@ pub enum InsnX86 {
#[repr(C)]
#[derive(PartialEq, Debug, Clone, Copy)]
#[allow(clippy::upper_case_acronyms)]
pub enum InsnSysX86 {
SYSCALL = InsnX86::SYSCALL as isize,
SYSENTER = InsnX86::SYSENTER as isize,

97
bindings/rust/tests/unicorn.rs
View File

@ -32,6 +32,7 @@ pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::EDX,
RegisterX86::EFLAGS,
RegisterX86::EIP,
RegisterX86::EIZ,
RegisterX86::ES,
RegisterX86::ESI,
RegisterX86::ESP,
@ -46,6 +47,7 @@ pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::RDI,
RegisterX86::RDX,
RegisterX86::RIP,
RegisterX86::RIZ,
RegisterX86::RSI,
RegisterX86::RSP,
RegisterX86::SI,
@ -58,7 +60,17 @@ pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::CR2,
RegisterX86::CR3,
RegisterX86::CR4,
RegisterX86::CR5,
RegisterX86::CR6,
RegisterX86::CR7,
RegisterX86::CR8,
RegisterX86::CR9,
RegisterX86::CR10,
RegisterX86::CR11,
RegisterX86::CR12,
RegisterX86::CR13,
RegisterX86::CR14,
RegisterX86::CR15,
RegisterX86::DR0,
RegisterX86::DR1,
RegisterX86::DR2,
@ -67,6 +79,14 @@ pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::DR5,
RegisterX86::DR6,
RegisterX86::DR7,
RegisterX86::DR8,
RegisterX86::DR9,
RegisterX86::DR10,
RegisterX86::DR11,
RegisterX86::DR12,
RegisterX86::DR13,
RegisterX86::DR14,
RegisterX86::DR15,
RegisterX86::FP0,
RegisterX86::FP1,
RegisterX86::FP2,
@ -133,15 +153,12 @@ pub static X86_REGISTERS: [RegisterX86; 125] = [
RegisterX86::R15W,
];
type Unicorn<'a> = unicorn_engine::UnicornHandle<'a>;
#[test]
fn emulate_x86() {
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, 0)
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.reg_write(RegisterX86::EAX as i32, 123), Ok(()));
assert_eq!(emu.reg_read(RegisterX86::EAX as i32), Ok(123));
@ -183,16 +200,15 @@ fn x86_code_callback() {
let codes_cell = Rc::new(RefCell::new(codes));
let callback_codes = codes_cell.clone();
let callback = move |_: Unicorn<'_>, address: u64, size: u32| {
let callback = move |_: &mut Unicorn<'_, ()>, address: u64, size: u32| {
let mut codes = callback_codes.borrow_mut();
codes.push(CodeExpectation(address, size));
};
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -215,15 +231,14 @@ fn x86_intr_callback() {
let intr_cell = Rc::new(RefCell::new(IntrExpectation(0)));
let callback_intr = intr_cell.clone();
let callback = move |_: Unicorn<'_>, intno: u32| {
let callback = move |_: &mut Unicorn<'_, ()>, intno: u32| {
*callback_intr.borrow_mut() = IntrExpectation(intno);
};
let x86_code32: Vec<u8> = vec![0xcd, 0x80]; // INT 0x80;
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -251,22 +266,16 @@ fn x86_mem_callback() {
let expects = vec![
MemExpectation(MemType::WRITE, 0x2000, 4, 0xdeadbeef),
MemExpectation(MemType::READ_UNMAPPED, 0x10000, 4, 0),
MemExpectation(MemType::READ, 0x10000, 4, 0),
];
let mems: Vec<MemExpectation> = Vec::new();
let mems_cell = Rc::new(RefCell::new(mems));
let callback_mems = mems_cell.clone();
let callback =
move |uc: Unicorn<'_>, mem_type: MemType, address: u64, size: usize, value: i64| {
move |_: &mut Unicorn<'_, ()>, mem_type: MemType, address: u64, size: usize, value: i64| {
let mut mems = callback_mems.borrow_mut();
let mut uc = uc;
mems.push(MemExpectation(mem_type, address, size, value));
if mem_type == MemType::READ_UNMAPPED {
uc.mem_map(address, 0x1000, Permission::ALL).unwrap();
}
true
};
// mov eax, 0xdeadbeef;
@ -276,9 +285,8 @@ fn x86_mem_callback() {
0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0xA3, 0x00, 0x20, 0x00, 0x00, 0xA1, 0x00, 0x00, 0x01, 0x00,
];
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -293,7 +301,7 @@ fn x86_mem_callback() {
10 * SECOND_SCALE,
0x1000
),
Ok(())
Err(uc_error::READ_UNMAPPED)
);
assert_eq!(expects, *mems_cell.borrow());
@ -308,15 +316,14 @@ fn x86_insn_in_callback() {
let insn_cell = Rc::new(RefCell::new(InsnInExpectation(0, 0)));
let callback_insn = insn_cell.clone();
let callback = move |_: Unicorn<'_>, port: u32, size: usize| {
let callback = move |_: &mut Unicorn<'_, ()>, port: u32, size: usize| {
*callback_insn.borrow_mut() = InsnInExpectation(port, size);
};
let x86_code32: Vec<u8> = vec![0xe5, 0x10]; // IN eax, 0x10;
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -345,15 +352,14 @@ fn x86_insn_out_callback() {
let insn_cell = Rc::new(RefCell::new(InsnOutExpectation(0, 0, 0)));
let callback_insn = insn_cell.clone();
let callback = move |_: Unicorn<'_>, port: u32, size: usize, value: u32| {
let callback = move |_: &mut Unicorn<'_, ()>, port: u32, size: usize, value: u32| {
*callback_insn.borrow_mut() = InsnOutExpectation(port, size, value);
};
let x86_code32: Vec<u8> = vec![0xb0, 0x32, 0xe6, 0x46]; // MOV al, 0x32; OUT 0x46, al;
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -382,7 +388,7 @@ fn x86_insn_sys_callback() {
let insn_cell = Rc::new(RefCell::new(InsnSysExpectation(0)));
let callback_insn = insn_cell.clone();
let callback = move |uc: Unicorn<'_>| {
let callback = move |uc: &mut Unicorn<'_, ()>| {
println!("!!!!");
let rax = uc.reg_read(RegisterX86::RAX as i32).unwrap();
*callback_insn.borrow_mut() = InsnSysExpectation(rax);
@ -393,9 +399,8 @@ fn x86_insn_sys_callback() {
0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x05,
];
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_64)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_64, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code), Ok(()));
@ -420,9 +425,8 @@ fn x86_insn_sys_callback() {
fn emulate_arm() {
let arm_code32: Vec<u8> = vec![0x83, 0xb0]; // sub sp, #0xc
let mut unicorn = unicorn_engine::Unicorn::new(Arch::ARM, Mode::THUMB)
let mut emu = unicorn_emulator::Unicorn::new(Arch::ARM, Mode::THUMB, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.reg_write(RegisterARM::R1 as i32, 123), Ok(()));
assert_eq!(emu.reg_read(RegisterARM::R1 as i32), Ok(123));
@ -461,9 +465,8 @@ fn emulate_arm() {
fn emulate_mips() {
let mips_code32 = vec![0x56, 0x34, 0x21, 0x34]; // ori $at, $at, 0x3456;
let mut unicorn = unicorn_engine::Unicorn::new(Arch::MIPS, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::MIPS, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &mips_code32), Ok(()));
assert_eq!(
@ -487,9 +490,8 @@ fn emulate_mips() {
fn emulate_ppc() {
let ppc_code32 = vec![0x7F, 0x46, 0x1A, 0x14]; // add 26, 6, 3
let mut unicorn = unicorn_engine::Unicorn::new(Arch::PPC, Mode::PPC32 | Mode::BIG_ENDIAN)
let mut emu = unicorn_emulator::Unicorn::new(Arch::PPC, Mode::PPC32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &ppc_code32), Ok(()));
assert_eq!(
@ -512,9 +514,8 @@ fn emulate_ppc() {
#[test]
fn mem_unmapping() {
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_unmap(0x1000, 0x4000), Ok(()));
}
@ -525,9 +526,8 @@ fn mem_map_ptr() {
let mut mem: [u8; 4000] = [0; 4000];
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
// Attempt to write to memory before mapping it.
assert_eq!(
@ -536,7 +536,7 @@ fn mem_map_ptr() {
);
assert_eq!(
emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _),
unsafe { emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _) },
Ok(())
);
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -572,7 +572,7 @@ fn mem_map_ptr() {
);
assert_eq!(
emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _),
unsafe { emu.mem_map_ptr(0x1000, 0x4000, Permission::ALL, mem.as_mut_ptr() as _) },
Ok(())
);
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));
@ -600,13 +600,12 @@ fn mem_map_ptr() {
#[test]
fn x86_context_save_and_restore() {
for mode in vec![Mode::MODE_32, Mode::MODE_64] {
for mode in &[Mode::MODE_32, Mode::MODE_64] {
let x86_code: Vec<u8> = vec![
0x48, 0xB8, 0xEF, 0xBE, 0xAD, 0xDE, 0x00, 0x00, 0x00, 0x00, 0x0F, 0x05,
];
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, mode)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, *mode, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code), Ok(()));
let _ = emu.emu_start(
@ -621,9 +620,8 @@ fn x86_context_save_and_restore() {
let context = context.unwrap();
/* and create a new emulator, into which we will "restore" that context */
let mut unicorn2 = unicorn_engine::Unicorn::new(Arch::X86, mode)
let emu2 = unicorn_emulator::Unicorn::new(Arch::X86, *mode, ())
.expect("failed to initialize unicorn instance");
let emu2 = unicorn2.borrow();
assert_eq!(emu2.context_restore(&context), Ok(()));
for register in X86_REGISTERS.iter() {
println!("Testing register {:?}", register);
@ -644,16 +642,15 @@ fn x86_block_callback() {
let blocks_cell = Rc::new(RefCell::new(blocks));
let callback_blocks = blocks_cell.clone();
let callback = move |_: Unicorn<'_>, address: u64, size: u32| {
let callback = move |_: &mut Unicorn<'_, ()>, address: u64, size: u32| {
let mut blocks = callback_blocks.borrow_mut();
blocks.push(BlockExpectation(address, size));
};
let x86_code32: Vec<u8> = vec![0x41, 0x4a]; // INC ecx; DEC edx
let mut unicorn = unicorn_engine::Unicorn::new(Arch::X86, Mode::MODE_32)
let mut emu = unicorn_emulator::Unicorn::new(Arch::X86, Mode::MODE_32, ())
.expect("failed to initialize unicorn instance");
let mut emu = unicorn.borrow();
assert_eq!(emu.mem_map(0x1000, 0x4000, Permission::ALL), Ok(()));
assert_eq!(emu.mem_write(0x1000, &x86_code32), Ok(()));

1
include/uc_priv.h
View File

@ -342,6 +342,7 @@ struct uc_struct {
bool no_exit_request; // Disable check_exit_request temporarily. A
// workaround to treat the IT block as a whole block.
bool init_done; // Whether the initialization is done.
void *data_ptr; // optional data pointer for bindings
};
// Metadata stub for the variable-size cpu context used with uc_context_*()

21
uc.c
View File

@ -686,6 +686,27 @@ static void clear_deleted_hooks(uc_engine *uc)
list_clear(&uc->hooks_to_del);
}
// set a data ptr (for use in bindings)
UNICORN_EXPORT
uc_err uc_emu_set_data_ptr(uc_engine *uc, void *data)
{
if (uc == NULL) {
return UC_ERR_ARG;
}
uc->data_ptr = data;
}
// get a data ptr (for use in bindings)
UNICORN_EXPORT
void *uc_emu_get_data_ptr(uc_engine *uc, void *data)
{
if (uc == NULL) {
return NULL;
}
return uc->data_ptr;
}
UNICORN_EXPORT
uc_err uc_emu_start(uc_engine *uc, uint64_t begin, uint64_t until,
uint64_t timeout, size_t count)