1008 lines
40 KiB
Rust
1008 lines
40 KiB
Rust
//! Code items
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use crate as androscalpel_serializer;
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use crate::{Error, ReadSeek, Result, Serializable, Sleb128, Uleb128};
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use log::debug;
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use std::io::Write;
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/// <https://source.android.com/docs/core/runtime/dex-format#code-item>
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/// alignment: 4 bytes
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#[derive(Clone, Debug, PartialEq, Eq)]
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pub struct CodeItem {
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pub registers_size: u16,
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pub ins_size: u16,
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pub outs_size: u16,
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// pub tries_size: u16,
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/// 0 if no debug info, else offset to a [`crate::DebugInfoItem`].
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pub debug_info_off: u32,
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// pub insns_size: u32,
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pub insns: Vec<u16>,
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// pub padding: Vec<u8>,
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/// try items must refere to non overlapping range an order from low to hight addresses.
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pub tries: Vec<TryItem>,
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pub handlers: Option<EncodedCatchHandlerList>,
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}
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impl CodeItem {
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pub fn tries_size_field(&self) -> u16 {
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self.tries.len() as u16
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}
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pub fn insns_size_field(&self) -> u32 {
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self.insns.len() as u32
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}
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pub fn sanity_check(&self) -> Result<()> {
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if self.tries.is_empty() && self.handlers.is_some() {
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return Err(Error::InconsistantStruct(
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"CodeItem cannot have a `handlers` value if `tries_size` is 0 (CodeItem.tries is empty)".into()
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));
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}
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if !self.tries.is_empty() && self.handlers.is_none() {
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return Err(Error::InconsistantStruct(
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"CodeItem must have a `handlers` value if `tries_size` is not 0 (CodeItem.tries not empty)".into()
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));
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}
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let mut max_addr = 0;
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for item in &self.tries {
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let addr = item.start_addr;
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if addr < max_addr {
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return Err(Error::InconsistantStruct(
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"try_item in a code_item must be non overlapping and sorted from low to high address".into()
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));
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}
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max_addr = addr + (item.insn_count as u32);
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}
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/*
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// Necessary? no in spec and apk in the wild seams to have try blocks spaming outside the
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// insns array.
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if max_addr > self.insns.len() as u32 {
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return Err(Error::InconsistantStruct(
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"found try_item whose block span outside of the insns array".into(),
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));
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}
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*/
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for try_ in &self.tries {
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let handler = self
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.handlers
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.as_ref()
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.unwrap()
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.get_handler_at_offset(try_.handler_off)?;
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handler.sanity_check()?;
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for handler in &handler.handlers {
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// Necessary? no in spec
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if handler.addr.0 > self.insns.len() as u32 {
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return Err(Error::InconsistantStruct(
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"Found an handler whose address is outside of the insns array".into(),
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));
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}
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}
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if let Some(Uleb128(addr)) = handler.catch_all_addr {
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// Necessary? no in spec
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if addr > self.insns.len() as u32 {
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return Err(Error::InconsistantStruct(
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"Found a catch all handler whose address is outside of the insns array"
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.into(),
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));
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}
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}
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}
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Ok(())
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}
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}
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impl Serializable for CodeItem {
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fn serialize(&self, output: &mut dyn Write) -> Result<()> {
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self.sanity_check().map_err(|err| match err {
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Error::InconsistantStruct(msg) => {
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Error::SerializationError(format!("Inconsistant CodeItem: {msg}"))
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}
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err => err,
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})?;
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self.registers_size.serialize(output)?;
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self.ins_size.serialize(output)?;
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self.outs_size.serialize(output)?;
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self.tries_size_field().serialize(output)?;
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self.debug_info_off.serialize(output)?;
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for insn in &self.insns {
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insn.serialize(output)?;
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}
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if !self.tries.is_empty() && self.insns.len() % 2 == 1 {
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0u16.serialize(output)?;
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}
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for item in &self.tries {
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item.serialize(output)?;
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}
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if let Some(ref handlers) = self.handlers {
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handlers.serialize(output)?;
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}
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Ok(())
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}
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fn deserialize(input: &mut dyn ReadSeek) -> Result<Self> {
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let registers_size = u16::deserialize(input)?;
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let ins_size = u16::deserialize(input)?;
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let outs_size = u16::deserialize(input)?;
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let tries_size = u16::deserialize(input)?;
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let debug_info_off = u32::deserialize(input)?;
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let insns_size = u32::deserialize(input)?;
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let mut insns = vec![];
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for _ in 0..insns_size {
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insns.push(u16::deserialize(input)?);
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}
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if tries_size != 0 && insns_size % 2 == 1 {
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let _ = u16::deserialize(input)?;
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}
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let mut tries = vec![];
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for _ in 0..tries_size {
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tries.push(TryItem::deserialize(input)?);
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}
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let handlers = if tries_size != 0 {
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Some(EncodedCatchHandlerList::deserialize(input)?)
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} else {
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None
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};
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Ok(Self {
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registers_size,
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ins_size,
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outs_size,
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debug_info_off,
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insns,
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tries,
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handlers,
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})
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}
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fn size(&self) -> usize {
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self.registers_size.size()
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+ self.ins_size.size()
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+ self.outs_size.size()
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+ self.tries_size_field().size()
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+ self.debug_info_off.size()
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+ self.insns.iter().map(|val| val.size()).sum::<usize>()
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+ if !self.tries.is_empty() && self.insns.len() % 2 == 1 {
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2
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} else {
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0
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}
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+ self.tries.iter().map(|val| val.size()).sum::<usize>()
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+ self.handlers.as_ref().map(|val| val.size()).unwrap_or(0)
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}
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}
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/// <https://source.android.com/docs/core/runtime/dex-format#type-item>
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#[derive(Serializable, Clone, Copy, Debug, PartialEq, Eq)]
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pub struct TryItem {
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/// Start address of the block of code covered. It's a count of 16-bit code unit to the
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/// start of the first covered instruction of the block.
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pub start_addr: u32,
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/// Number of 16-bit code unit covered by the entry.
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pub insn_count: u16,
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/// **Offset in bytes** from the start of the [`crate::EncodedCatchHandlerList`] to the
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/// [`crate::EncodedCatchHandler`] associated.
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pub handler_off: u16,
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}
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/// <https://source.android.com/docs/core/runtime/dex-format#encoded-catch-handlerlist>
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#[derive(Clone, Debug, PartialEq, Eq)]
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pub struct EncodedCatchHandlerList {
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// pub size: Uleb128,
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pub list: Vec<EncodedCatchHandler>,
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}
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impl EncodedCatchHandlerList {
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pub fn size_field(&self) -> Uleb128 {
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Uleb128(self.list.len() as u32)
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}
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/// Return a reference to the [`crate::EncodedCatchHandler`] located at `offset` bytes after
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/// the begining of the [`crate::EncodedCatchHandlerList`]. Expected to be used to lookup
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/// the value refered to by [`crate::TryItem`]`.handler_off`.
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pub fn get_handler_at_offset(&self, offset: u16) -> Result<&EncodedCatchHandler> {
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let offset = offset as usize;
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let mut current_offset = self.size_field().size();
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for handler in &self.list {
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if current_offset == offset {
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return Ok(handler);
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}
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current_offset += handler.size();
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if current_offset > offset {
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break;
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}
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}
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let mut current_offset = self.size_field().size();
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for handler in &self.list {
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debug!(
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"{:#?}: size {} at offset {}",
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handler,
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handler.size(),
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current_offset
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);
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current_offset += handler.size();
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}
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Err(Error::InconsistantStruct(format!(
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"Offset 0x{offset:x} does not match with the begining of a EncodedCatchHandler in this EncodedCatchHandlerList"
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)))
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}
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}
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impl Serializable for EncodedCatchHandlerList {
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fn serialize(&self, output: &mut dyn Write) -> Result<()> {
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self.size_field().serialize(output)?;
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for item in &self.list {
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item.serialize(output)?;
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}
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Ok(())
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}
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fn deserialize(input: &mut dyn ReadSeek) -> Result<Self> {
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let Uleb128(size) = Uleb128::deserialize(input)?;
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let mut list = vec![];
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for _ in 0..size {
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list.push(EncodedCatchHandler::deserialize(input)?);
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}
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Ok(Self {
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// size,
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list,
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})
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}
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fn size(&self) -> usize {
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self.size_field().size() + self.list.iter().map(|val| val.size()).sum::<usize>()
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}
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}
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/// <https://source.android.com/docs/core/runtime/dex-format#encoded-catch-handler>
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#[derive(Clone, Debug, PartialEq, Eq, Hash)]
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pub struct EncodedCatchHandler {
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// pub size: Sleb128,
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/// List of handler, one by type caught, in the order of the type tests
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pub handlers: Vec<EncodedTypeAddrPair>,
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/// Bytecode address of the catchall handler.
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pub catch_all_addr: Option<Uleb128>,
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}
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impl EncodedCatchHandler {
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pub fn size_field(&self) -> Sleb128 {
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let sign = if self.catch_all_addr.is_some() { -1 } else { 1 };
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let len = self.handlers.len() as i32;
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//if len == 0 && self.catch_all_addr.is_none() {
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// Not good. Panic? Error?
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//}
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Sleb128(len * sign)
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}
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pub fn sanity_check(&self) -> Result<()> {
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if self.catch_all_addr.is_none() && self.handlers.is_empty() {
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return Err(Error::InconsistantStruct(
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"EncodedCatchHandler must have at least one handler or catch_all_addr defined"
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.into(),
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));
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}
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Ok(())
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}
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}
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impl Serializable for EncodedCatchHandler {
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fn serialize(&self, output: &mut dyn Write) -> Result<()> {
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self.sanity_check().map_err(|err| match err {
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Error::InconsistantStruct(msg) => {
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Error::SerializationError(format!("Inconsistant EncodedCatchHandler: {msg}"))
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}
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err => err,
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})?;
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self.size_field().serialize(output)?;
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for handler in &self.handlers {
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handler.serialize(output)?;
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}
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if let Some(catch_all_addr) = self.catch_all_addr {
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catch_all_addr.serialize(output)?;
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}
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Ok(())
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}
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fn deserialize(input: &mut dyn ReadSeek) -> Result<Self> {
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let Sleb128(size) = Sleb128::deserialize(input)?;
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let mut handlers = vec![];
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for _ in 0..size.abs() {
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handlers.push(EncodedTypeAddrPair::deserialize(input)?);
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}
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let catch_all_addr = if size <= 0 {
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Some(Uleb128::deserialize(input)?)
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} else {
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None
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};
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Ok(Self {
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handlers,
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catch_all_addr,
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})
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}
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fn size(&self) -> usize {
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self.size_field().size()
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+ self.handlers.iter().map(|val| val.size()).sum::<usize>()
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+ self
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.catch_all_addr
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.as_ref()
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.map(|val| val.size())
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.unwrap_or(0)
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}
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}
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/// <https://source.android.com/docs/core/runtime/dex-format#encoded-type-addr-pair>
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#[derive(Serializable, Clone, Copy, Debug, PartialEq, Eq, Hash)]
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pub struct EncodedTypeAddrPair {
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/// Index of the [`crate::TypeIdItem`] in `type_ids`
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pub type_idx: Uleb128,
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/// Bytecode address of the exception handler
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pub addr: Uleb128,
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}
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#[cfg(test)]
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mod test {
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use super::*;
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const CODE_ITEM_RAW_1: &[u8] = &[
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0x04, 0x00, 0x01, 0x00, 0x02, 0x00, 0x01, 0x00, 0x3d, 0x25, 0x4f, 0x00, 0x15, 0x00, 0x00,
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0x00, 0x54, 0x30, 0x6c, 0x01, 0x71, 0x10, 0xb1, 0x0c, 0x00, 0x00, 0x28, 0x0e, 0x0d, 0x00,
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0x6e, 0x10, 0x26, 0x85, 0x00, 0x00, 0x0c, 0x01, 0x1a, 0x02, 0xcb, 0x15, 0x71, 0x20, 0xe3,
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0x05, 0x21, 0x00, 0x0a, 0x01, 0x38, 0x01, 0x03, 0x00, 0x0e, 0x00, 0x27, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x01, 0x00, 0x01, 0x01, 0xe9, 0x46, 0x06,
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];
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const CODE_ITEM_RAW_2: &[u8] = &[
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0x09, 0x00, 0x04, 0x00, 0x03, 0x00, 0x07, 0x00, 0xd7, 0x28, 0x4f, 0x00, 0x19, 0x01, 0x00,
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0x00, 0x70, 0x10, 0x8b, 0x84, 0x05, 0x00, 0x22, 0x00, 0x2d, 0x24, 0x70, 0x10, 0x51, 0x87,
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0x00, 0x00, 0x5b, 0x50, 0x54, 0x06, 0x5b, 0x57, 0x58, 0x06, 0x22, 0x00, 0x84, 0x05, 0x70,
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0x10, 0x09, 0x1c, 0x00, 0x00, 0x5b, 0x50, 0x56, 0x06, 0x54, 0x77, 0xcc, 0x09, 0x71, 0x20,
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0xed, 0x18, 0x76, 0x00, 0x0c, 0x07, 0x5b, 0x57, 0x55, 0x06, 0x71, 0x10, 0xb9, 0x17, 0x06,
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0x00, 0x0c, 0x06, 0x5b, 0x56, 0x57, 0x06, 0x22, 0x06, 0x1e, 0x24, 0x70, 0x10, 0xa1, 0x86,
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0x06, 0x00, 0x54, 0x70, 0x01, 0x08, 0x1f, 0x00, 0x7a, 0x04, 0x6e, 0x10, 0x8e, 0x84, 0x00,
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0x00, 0x54, 0x00, 0x04, 0x08, 0x6e, 0x10, 0x2a, 0x04, 0x00, 0x00, 0x0c, 0x00, 0x71, 0x10,
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0xbc, 0x86, 0x00, 0x00, 0x0c, 0x00, 0x39, 0x08, 0x16, 0x00, 0x72, 0x10, 0x8d, 0x87, 0x00,
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0x00, 0x0c, 0x07, 0x72, 0x10, 0x6c, 0x87, 0x07, 0x00, 0x0a, 0x08, 0x38, 0x08, 0x58, 0x00,
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0x72, 0x10, 0x6d, 0x87, 0x07, 0x00, 0x0c, 0x08, 0x1f, 0x08, 0x87, 0x23, 0x6e, 0x20, 0xa5,
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0x86, 0x86, 0x00, 0x28, 0xf1, 0x6e, 0x10, 0xf3, 0x19, 0x08, 0x00, 0x0c, 0x01, 0x71, 0x30,
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0x73, 0x17, 0x17, 0x00, 0x0c, 0x07, 0x28, 0x02, 0x12, 0x07, 0x22, 0x01, 0x1e, 0x24, 0x70,
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0x10, 0xa1, 0x86, 0x01, 0x00, 0x72, 0x10, 0x8d, 0x87, 0x00, 0x00, 0x0c, 0x00, 0x72, 0x10,
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0x6c, 0x87, 0x00, 0x00, 0x0a, 0x02, 0x38, 0x02, 0x17, 0x00, 0x72, 0x10, 0x6d, 0x87, 0x00,
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0x00, 0x0c, 0x02, 0x1f, 0x02, 0x87, 0x23, 0x6e, 0x20, 0xb5, 0x84, 0x72, 0x00, 0x0a, 0x03,
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0x38, 0x03, 0x03, 0x00, 0x28, 0xee, 0x6e, 0x20, 0x8f, 0x16, 0x25, 0x00, 0x0c, 0x02, 0x6e,
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0x20, 0xa5, 0x86, 0x21, 0x00, 0x28, 0xe6, 0x6e, 0x20, 0xf2, 0x19, 0x18, 0x00, 0x0c, 0x07,
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0x72, 0x10, 0x8d, 0x87, 0x07, 0x00, 0x0c, 0x07, 0x72, 0x10, 0x6c, 0x87, 0x07, 0x00, 0x0a,
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0x08, 0x38, 0x08, 0x12, 0x00, 0x72, 0x10, 0x6d, 0x87, 0x07, 0x00, 0x0c, 0x08, 0x1f, 0x08,
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0xd4, 0x04, 0x1f, 0x08, 0x7d, 0x05, 0x72, 0x10, 0xf3, 0x1b, 0x08, 0x00, 0x0c, 0x08, 0x6e,
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0x20, 0xa5, 0x86, 0x86, 0x00, 0x28, 0xeb, 0x22, 0x07, 0x1e, 0x24, 0x70, 0x10, 0xa1, 0x86,
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0x07, 0x00, 0x6e, 0x10, 0xaf, 0x86, 0x06, 0x00, 0x0c, 0x06, 0x72, 0x10, 0x6c, 0x87, 0x06,
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0x00, 0x0a, 0x08, 0x38, 0x08, 0x57, 0x00, 0x72, 0x10, 0x6d, 0x87, 0x06, 0x00, 0x0c, 0x08,
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0x1f, 0x08, 0x87, 0x23, 0x1a, 0x00, 0xb5, 0x0d, 0x6e, 0x20, 0xb5, 0x84, 0x08, 0x00, 0x0a,
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0x00, 0x39, 0x00, 0x45, 0x00, 0x1a, 0x00, 0xd0, 0x0d, 0x6e, 0x20, 0xb5, 0x84, 0x08, 0x00,
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0x0a, 0x00, 0x38, 0x00, 0x03, 0x00, 0x28, 0x3b, 0x62, 0x00, 0xe2, 0x00, 0x1a, 0x01, 0x49,
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0xc0, 0x6e, 0x20, 0xb5, 0x84, 0x01, 0x00, 0x0a, 0x00, 0x38, 0x00, 0x03, 0x00, 0x28, 0x1a,
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0x54, 0x50, 0x55, 0x06, 0x6e, 0x20, 0xee, 0x18, 0x80, 0x00, 0x0c, 0x00, 0x62, 0x01, 0xb6,
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0x00, 0x6e, 0x20, 0xc4, 0x18, 0x10, 0x00, 0x0c, 0x00, 0x1f, 0x00, 0x9c, 0x2e, 0x12, 0x01,
|
|
0x38, 0x00, 0x0f, 0x00, 0x21, 0x02, 0x01, 0x13, 0x35, 0x23, 0x0b, 0x00, 0x44, 0x04, 0x00,
|
|
0x03, 0x39, 0x04, 0x04, 0x00, 0x12, 0x11, 0x28, 0x04, 0xd8, 0x03, 0x03, 0x01, 0x28, 0xf6,
|
|
0x38, 0x01, 0xba, 0xff, 0x6e, 0x20, 0xa5, 0x86, 0x87, 0x00, 0x28, 0xb5, 0x0d, 0x06, 0x22,
|
|
0x07, 0x1e, 0x05, 0x71, 0x10, 0xff, 0x48, 0x06, 0x00, 0x0c, 0x06, 0x70, 0x20, 0xc2, 0x1a,
|
|
0x67, 0x00, 0x27, 0x07, 0x6e, 0x20, 0xa5, 0x86, 0x87, 0x00, 0x28, 0xa6, 0x5b, 0x57, 0x53,
|
|
0x06, 0x0e, 0x00, 0x0d, 0x06, 0x22, 0x07, 0x47, 0x04, 0x70, 0x20, 0x84, 0x18, 0x67, 0x00,
|
|
0x27, 0x07, 0x0d, 0x06, 0x22, 0x07, 0x1e, 0x05, 0x70, 0x20, 0xc2, 0x1a, 0x67, 0x00, 0x27,
|
|
0x07, 0x0d, 0x06, 0x22, 0x07, 0x1e, 0x05, 0x71, 0x10, 0xff, 0x48, 0x06, 0x00, 0x0c, 0x06,
|
|
0x70, 0x20, 0xc2, 0x1a, 0x67, 0x00, 0x27, 0x07, 0x00, 0x00, 0x21, 0x00, 0x00, 0x00, 0x0c,
|
|
0x00, 0x01, 0x00, 0x2d, 0x00, 0x00, 0x00, 0x06, 0x00, 0x0a, 0x00, 0x33, 0x00, 0x00, 0x00,
|
|
0x19, 0x00, 0x01, 0x00, 0x4d, 0x00, 0x00, 0x00, 0x08, 0x00, 0x17, 0x00, 0x57, 0x00, 0x00,
|
|
0x00, 0x41, 0x00, 0x01, 0x00, 0xca, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x23, 0x00, 0x01, 0x01,
|
|
0x00, 0x00, 0x06, 0x00, 0x01, 0x00, 0x04, 0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87,
|
|
0x02, 0x03, 0xb4, 0x01, 0x80, 0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02, 0x03,
|
|
0xe9, 0x46, 0x56, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02, 0x01, 0xc7, 0x08, 0xee,
|
|
0x01,
|
|
];
|
|
|
|
const ENCODED_CATCH_HANDLER_LIST_1: &[u8] = &[0x01, 0x01, 0xe9, 0x46, 0x06];
|
|
const ENCODED_CATCH_HANDLER_LIST_2: &[u8] = &[
|
|
0x04, 0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02, 0x03, 0xb4, 0x01, 0x80, 0x02,
|
|
0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02, 0x03, 0xe9, 0x46, 0x56, 0xc7, 0x08, 0x8e,
|
|
0x02, 0xd9, 0x09, 0x87, 0x02, 0x01, 0xc7, 0x08, 0xee, 0x01,
|
|
];
|
|
|
|
#[test]
|
|
fn test_deserialize_code_item() {
|
|
assert_eq!(
|
|
CodeItem::deserialize_from_slice(CODE_ITEM_RAW_1).unwrap(),
|
|
CodeItem {
|
|
registers_size: 4,
|
|
ins_size: 1,
|
|
outs_size: 2,
|
|
debug_info_off: 5186877,
|
|
insns: vec![
|
|
0x3054, 0x16c, 0x1071, 0xcb1, 0x0, 0xe28, 0xd, 0x106e, 0x8526, 0x0, 0x10c,
|
|
0x21a, 0x15cb, 0x2071, 0x5e3, 0x21, 0x10a, 0x138, 0x3, 0xe, 0x27
|
|
],
|
|
tries: vec![TryItem {
|
|
start_addr: 0,
|
|
insn_count: 5,
|
|
handler_off: 1,
|
|
},],
|
|
handlers: Some(EncodedCatchHandlerList {
|
|
list: vec![EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(6)
|
|
}],
|
|
catch_all_addr: None,
|
|
}]
|
|
})
|
|
}
|
|
);
|
|
assert_eq!(
|
|
CodeItem::deserialize_from_slice(CODE_ITEM_RAW_2).unwrap(),
|
|
CodeItem {
|
|
registers_size: 9,
|
|
ins_size: 4,
|
|
outs_size: 3,
|
|
debug_info_off: 5187799,
|
|
insns: vec![
|
|
0x1070, 0x848b, 0x0005, 0x0022, 0x242d, 0x1070, 0x8751, 0x0000, 0x505b, 0x0654,
|
|
0x575b, 0x0658, 0x0022, 0x0584, 0x1070, 0x1c09, 0x0000, 0x505b, 0x0656, 0x7754,
|
|
0x09cc, 0x2071, 0x18ed, 0x0076, 0x070c, 0x575b, 0x0655, 0x1071, 0x17b9, 0x0006,
|
|
0x060c, 0x565b, 0x0657, 0x0622, 0x241e, 0x1070, 0x86a1, 0x0006, 0x7054, 0x0801,
|
|
0x001f, 0x047a, 0x106e, 0x848e, 0x0000, 0x0054, 0x0804, 0x106e, 0x042a, 0x0000,
|
|
0x000c, 0x1071, 0x86bc, 0x0000, 0x000c, 0x0839, 0x0016, 0x1072, 0x878d, 0x0000,
|
|
0x070c, 0x1072, 0x876c, 0x0007, 0x080a, 0x0838, 0x0058, 0x1072, 0x876d, 0x0007,
|
|
0x080c, 0x081f, 0x2387, 0x206e, 0x86a5, 0x0086, 0xf128, 0x106e, 0x19f3, 0x0008,
|
|
0x010c, 0x3071, 0x1773, 0x0017, 0x070c, 0x0228, 0x0712, 0x0122, 0x241e, 0x1070,
|
|
0x86a1, 0x0001, 0x1072, 0x878d, 0x0000, 0x000c, 0x1072, 0x876c, 0x0000, 0x020a,
|
|
0x0238, 0x0017, 0x1072, 0x876d, 0x0000, 0x020c, 0x021f, 0x2387, 0x206e, 0x84b5,
|
|
0x0072, 0x030a, 0x0338, 0x0003, 0xee28, 0x206e, 0x168f, 0x0025, 0x020c, 0x206e,
|
|
0x86a5, 0x0021, 0xe628, 0x206e, 0x19f2, 0x0018, 0x070c, 0x1072, 0x878d, 0x0007,
|
|
0x070c, 0x1072, 0x876c, 0x0007, 0x080a, 0x0838, 0x0012, 0x1072, 0x876d, 0x0007,
|
|
0x080c, 0x081f, 0x04d4, 0x081f, 0x057d, 0x1072, 0x1bf3, 0x0008, 0x080c, 0x206e,
|
|
0x86a5, 0x0086, 0xeb28, 0x0722, 0x241e, 0x1070, 0x86a1, 0x0007, 0x106e, 0x86af,
|
|
0x0006, 0x060c, 0x1072, 0x876c, 0x0006, 0x080a, 0x0838, 0x0057, 0x1072, 0x876d,
|
|
0x0006, 0x080c, 0x081f, 0x2387, 0x001a, 0x0db5, 0x206e, 0x84b5, 0x0008, 0x000a,
|
|
0x0039, 0x0045, 0x001a, 0x0dd0, 0x206e, 0x84b5, 0x0008, 0x000a, 0x0038, 0x0003,
|
|
0x3b28, 0x0062, 0x00e2, 0x011a, 0xc049, 0x206e, 0x84b5, 0x0001, 0x000a, 0x0038,
|
|
0x0003, 0x1a28, 0x5054, 0x0655, 0x206e, 0x18ee, 0x0080, 0x000c, 0x0162, 0x00b6,
|
|
0x206e, 0x18c4, 0x0010, 0x000c, 0x001f, 0x2e9c, 0x0112, 0x0038, 0x000f, 0x0221,
|
|
0x1301, 0x2335, 0x000b, 0x0444, 0x0300, 0x0439, 0x0004, 0x1112, 0x0428, 0x03d8,
|
|
0x0103, 0xf628, 0x0138, 0xffba, 0x206e, 0x86a5, 0x0087, 0xb528, 0x060d, 0x0722,
|
|
0x051e, 0x1071, 0x48ff, 0x0006, 0x060c, 0x2070, 0x1ac2, 0x0067, 0x0727, 0x206e,
|
|
0x86a5, 0x0087, 0xa628, 0x575b, 0x0653, 0x000e, 0x060d, 0x0722, 0x0447, 0x2070,
|
|
0x1884, 0x0067, 0x0727, 0x060d, 0x0722, 0x051e, 0x2070, 0x1ac2, 0x0067, 0x0727,
|
|
0x060d, 0x0722, 0x051e, 0x1071, 0x48ff, 0x0006, 0x060c, 0x2070, 0x1ac2, 0x0067,
|
|
0x0727,
|
|
],
|
|
tries: vec![
|
|
TryItem {
|
|
start_addr: 33,
|
|
insn_count: 12,
|
|
handler_off: 1
|
|
},
|
|
TryItem {
|
|
start_addr: 45,
|
|
insn_count: 6,
|
|
handler_off: 10
|
|
},
|
|
TryItem {
|
|
start_addr: 51,
|
|
insn_count: 25,
|
|
handler_off: 1
|
|
},
|
|
TryItem {
|
|
start_addr: 77,
|
|
insn_count: 8,
|
|
handler_off: 23
|
|
},
|
|
TryItem {
|
|
start_addr: 87,
|
|
insn_count: 65,
|
|
handler_off: 1
|
|
},
|
|
TryItem {
|
|
start_addr: 202,
|
|
insn_count: 14,
|
|
handler_off: 35
|
|
},
|
|
TryItem {
|
|
start_addr: 257,
|
|
insn_count: 6,
|
|
handler_off: 1
|
|
},
|
|
],
|
|
handlers: Some(EncodedCatchHandlerList {
|
|
list: vec![
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
}],
|
|
catch_all_addr: None,
|
|
},
|
|
],
|
|
}),
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_deserialize_catch_handler_list() {
|
|
assert_eq!(
|
|
EncodedCatchHandlerList::deserialize_from_slice(ENCODED_CATCH_HANDLER_LIST_1).unwrap(),
|
|
EncodedCatchHandlerList {
|
|
list: vec![EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(6)
|
|
}],
|
|
catch_all_addr: None,
|
|
}]
|
|
}
|
|
);
|
|
|
|
assert_eq!(
|
|
EncodedCatchHandlerList::deserialize_from_slice(ENCODED_CATCH_HANDLER_LIST_2).unwrap(),
|
|
EncodedCatchHandlerList {
|
|
list: vec![
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
}],
|
|
catch_all_addr: None,
|
|
},
|
|
],
|
|
}
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_get_handler_at_offset() {
|
|
let list = EncodedCatchHandlerList {
|
|
list: vec![
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
}],
|
|
catch_all_addr: None,
|
|
},
|
|
],
|
|
};
|
|
assert_eq!(
|
|
list.get_handler_at_offset(1).unwrap(),
|
|
&EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
);
|
|
assert_eq!(
|
|
list.get_handler_at_offset(10).unwrap(),
|
|
&EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
);
|
|
assert_eq!(
|
|
list.get_handler_at_offset(23).unwrap(),
|
|
&EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
);
|
|
assert_eq!(
|
|
list.get_handler_at_offset(35).unwrap(),
|
|
&EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
}],
|
|
catch_all_addr: None,
|
|
},
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encoded_catch_handler_size() {
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.size(),
|
|
9
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.size(),
|
|
13
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.size(),
|
|
12
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
},],
|
|
catch_all_addr: None,
|
|
}
|
|
.size(),
|
|
5
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encoded_catch_handler_serialize() {
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.serialize_to_vec()
|
|
.unwrap(),
|
|
vec![0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,],
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.serialize_to_vec()
|
|
.unwrap(),
|
|
vec![0x03, 0xb4, 0x01, 0x80, 0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,]
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
}
|
|
.serialize_to_vec()
|
|
.unwrap(),
|
|
vec![0x03, 0xe9, 0x46, 0x56, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,]
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
},],
|
|
catch_all_addr: None,
|
|
}
|
|
.serialize_to_vec()
|
|
.unwrap(),
|
|
vec![0x01, 0xc7, 0x08, 0xee, 0x01,]
|
|
);
|
|
}
|
|
|
|
#[test]
|
|
fn test_encoded_catch_handler_deserialize() {
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler::deserialize_from_slice(&[
|
|
0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,
|
|
])
|
|
.unwrap()
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(180),
|
|
addr: Uleb128(0x100),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler::deserialize_from_slice(&[
|
|
0x03, 0xb4, 0x01, 0x80, 0x02, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,
|
|
])
|
|
.unwrap()
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(9065),
|
|
addr: Uleb128(0x56),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0x10e),
|
|
},
|
|
EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1241),
|
|
addr: Uleb128(0x107),
|
|
},
|
|
],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler::deserialize_from_slice(&[
|
|
0x03, 0xe9, 0x46, 0x56, 0xc7, 0x08, 0x8e, 0x02, 0xd9, 0x09, 0x87, 0x02,
|
|
])
|
|
.unwrap()
|
|
);
|
|
assert_eq!(
|
|
EncodedCatchHandler {
|
|
handlers: vec![EncodedTypeAddrPair {
|
|
type_idx: Uleb128(1095),
|
|
addr: Uleb128(0xee),
|
|
},],
|
|
catch_all_addr: None,
|
|
},
|
|
EncodedCatchHandler::deserialize_from_slice(&[0x01, 0xc7, 0x08, 0xee, 0x01,]).unwrap()
|
|
);
|
|
}
|
|
}
|