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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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22
crates/wasm_interp/src/wasi.rs
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@ -28,9 +28,9 @@ impl<'a> WasiDispatcher<'a> {
match function_name {
"args_get" => {
// uint8_t ** argv,
let mut ptr_ptr_argv = arguments[0].unwrap_i32() as usize;
let mut ptr_ptr_argv = arguments[0].expect_i32().unwrap() as usize;
// uint8_t * argv_buf
let mut ptr_argv_buf = arguments[1].unwrap_i32() as usize;
let mut ptr_argv_buf = arguments[1].expect_i32().unwrap() as usize;
for arg in self.args {
write_u32(memory, ptr_ptr_argv, ptr_argv_buf as u32);
@ -47,9 +47,9 @@ impl<'a> WasiDispatcher<'a> {
// (i32, i32) -> i32
// number of string arguments
let ptr_argc = arguments[0].unwrap_i32() as usize;
let ptr_argc = arguments[0].expect_i32().unwrap() as usize;
// size of string arguments buffer
let ptr_argv_buf_size = arguments[1].unwrap_i32() as usize;
let ptr_argv_buf_size = arguments[1].expect_i32().unwrap() as usize;
let argc = self.args.len() as u32;
write_u32(memory, ptr_argc, argc);
@ -61,8 +61,8 @@ impl<'a> WasiDispatcher<'a> {
}
"environ_get" => todo!("WASI {}({:?})", function_name, arguments),
"environ_sizes_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_res_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_time_get" => todo!("WASI {}({:?})", function_name, arguments),
"clock_res_get" => success_code,
"clock_time_get" => success_code,
"fd_advise" => todo!("WASI {}({:?})", function_name, arguments),
"fd_allocate" => todo!("WASI {}({:?})", function_name, arguments),
"fd_close" => todo!("WASI {}({:?})", function_name, arguments),
@ -85,13 +85,13 @@ impl<'a> WasiDispatcher<'a> {
"fd_tell" => todo!("WASI {}({:?})", function_name, arguments),
"fd_write" => {
// file descriptor
let fd = arguments[0].unwrap_i32();
let fd = arguments[0].expect_i32().unwrap();
// Array of IO vectors
let ptr_iovs = arguments[1].unwrap_i32() as usize;
let ptr_iovs = arguments[1].expect_i32().unwrap() as usize;
// Length of array
let iovs_len = arguments[2].unwrap_i32();
let iovs_len = arguments[2].expect_i32().unwrap();
// Out param: number of bytes written
let ptr_nwritten = arguments[3].unwrap_i32() as usize;
let ptr_nwritten = arguments[3].expect_i32().unwrap() as usize;
let mut write_lock = match fd {
1 => Ok(io::stdout().lock()),
@ -151,7 +151,7 @@ impl<'a> WasiDispatcher<'a> {
"path_unlink_file" => todo!("WASI {}({:?})", function_name, arguments),
"poll_oneoff" => todo!("WASI {}({:?})", function_name, arguments),
"proc_exit" => {
let exit_code = arguments[0].unwrap_i32();
let exit_code = arguments[0].expect_i32().unwrap();
exit(exit_code);
}
"proc_raise" => todo!("WASI {}({:?})", function_name, arguments),