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Add safety checks

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This commit is contained in:
momo5502
2025-04-04 19:13:35 +02:00
parent 102676b51c
commit b696117424
1 changed files with 36 additions and 0 deletions
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36
src/icicle/src/lib.rs
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@@ -104,6 +104,14 @@ pub fn icicle_write_memory(
data: *const c_void,
size: usize,
) -> i32 {
if size == 0 {
return 1;
}
if data.is_null() {
return 0;
}
unsafe {
let emulator = &mut *(ptr as *mut IcicleEmulator);
let u8_slice = std::slice::from_raw_parts(data as *const u8, size);
@@ -127,6 +135,10 @@ pub fn icicle_save_registers(ptr: *mut c_void, accessor: DataFunction, accessor_
#[unsafe(no_mangle)]
pub fn icicle_restore_registers(ptr: *mut c_void, data: *const c_void, size: usize) {
if size == 0 || data.is_null() {
return;
}
unsafe {
let emulator = &mut *(ptr as *mut IcicleEmulator);
let u8_slice = std::slice::from_raw_parts(data as *const u8, size);
@@ -136,6 +148,14 @@ pub fn icicle_restore_registers(ptr: *mut c_void, data: *const c_void, size: usi
#[unsafe(no_mangle)]
pub fn icicle_read_memory(ptr: *mut c_void, address: u64, data: *mut c_void, size: usize) -> i32 {
if size == 0 {
return 1;
}
if data.is_null() {
return 0;
}
unsafe {
let emulator = &mut *(ptr as *mut IcicleEmulator);
let u8_slice = std::slice::from_raw_parts_mut(data as *mut u8, size);
@@ -192,6 +212,14 @@ pub fn icicle_read_register(
data: *mut c_void,
size: usize,
) -> usize {
if size == 0 {
return 1;
}
if data.is_null() {
return 0;
}
unsafe {
let emulator = &mut *(ptr as *mut IcicleEmulator);
let u8_slice = std::slice::from_raw_parts_mut(data as *mut u8, size);
@@ -206,6 +234,14 @@ pub fn icicle_write_register(
data: *const c_void,
size: usize,
) -> usize {
if size == 0 {
return 1;
}
if data.is_null() {
return 0;
}
unsafe {
let emulator = &mut *(ptr as *mut IcicleEmulator);
let u8_slice = std::slice::from_raw_parts(data as *const u8, size);