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wasm_interp: don't panic when unwrapping Value

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Brian Carroll 2022-12-06 20:19:25 +00:00
parent d49ae6701a
commit 9d912a6cc7
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GPG key ID: 5C7B2EC4101703C0
5 changed files with 49 additions and 39 deletions
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18
crates/wasm_interp/src/instance.rs
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@ -712,55 +712,55 @@ impl<'a, I: ImportDispatcher> Instance<'a, I> {
}
I32STORE => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i32();
let unwrapped = value.expect_i32().map_err(Error::from)?;
let target = &mut self.memory[addr..][..4];
target.copy_from_slice(&unwrapped.to_le_bytes());
}
I64STORE => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i64();
let unwrapped = value.expect_i64().map_err(Error::from)?;
let target = &mut self.memory[addr..][..8];
target.copy_from_slice(&unwrapped.to_le_bytes());
}
F32STORE => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_f32();
let unwrapped = value.expect_f32().map_err(Error::from)?;
let target = &mut self.memory[addr..][..4];
target.copy_from_slice(&unwrapped.to_le_bytes());
}
F64STORE => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_f64();
let unwrapped = value.expect_f64().map_err(Error::from)?;
let target = &mut self.memory[addr..][..8];
target.copy_from_slice(&unwrapped.to_le_bytes());
}
I32STORE8 => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i32();
let unwrapped = value.expect_i32().map_err(Error::from)?;
let target = &mut self.memory[addr..][..1];
target.copy_from_slice(&unwrapped.to_le_bytes()[..1]);
}
I32STORE16 => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i32();
let unwrapped = value.expect_i32().map_err(Error::from)?;
let target = &mut self.memory[addr..][..2];
target.copy_from_slice(&unwrapped.to_le_bytes()[..2]);
}
I64STORE8 => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i64();
let unwrapped = value.expect_i64().map_err(Error::from)?;
let target = &mut self.memory[addr..][..1];
target.copy_from_slice(&unwrapped.to_le_bytes()[..1]);
}
I64STORE16 => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i64();
let unwrapped = value.expect_i64().map_err(Error::from)?;
let target = &mut self.memory[addr..][..2];
target.copy_from_slice(&unwrapped.to_le_bytes()[..2]);
}
I64STORE32 => {
let (addr, value) = self.get_store_addr_value(module)?;
let unwrapped = value.unwrap_i64();
let unwrapped = value.expect_i64().map_err(Error::from)?;
let target = &mut self.memory[addr..][..4];
target.copy_from_slice(&unwrapped.to_le_bytes()[..4]);
}