Add fd_tell wasi stub

The usage of fd_tell was introduced in Rust 1.87 by
rust-lang/rust#137165

Author: gligneul

arbitrator/caller-env/src/wasip1_stub.rs

@@ -139,6 +139,16 @@ pub fn fd_seek<M: MemAccess, E: ExecEnv>(
     ERRNO_BADF
 }
 
+/// Get the offset of the file descriptor. Unsupported.
+pub fn fd_tell<M :MemAccess, E: ExecEnv>(
+    _: &mut M,
+    _: &mut E,
+    _fd: u32,
+    _offset: GuestPtr
+) -> Errno {
+    ERRNO_BADF
+}
+
 /// Syncs file contents to disk. Unsupported.
 pub fn fd_datasync<M: MemAccess, E: ExecEnv>(_: &mut M, _: &mut E, _fd: u32) -> Errno {
     ERRNO_BADF

arbitrator/jit/src/machine.rs

@@ -95,6 +95,7 @@ pub fn create(opts: &Opts, env: WasmEnv) -> (Instance, FunctionEnv<WasmEnv>, Sto
             "fd_sync" => func!(wasip1_stub::fd_sync),
             "fd_seek" => func!(wasip1_stub::fd_seek),
             "fd_datasync" => func!(wasip1_stub::fd_datasync),
+            "fd_tell" => func!(wasip1_stub::fd_tell),
             "path_open" => func!(wasip1_stub::path_open),
             "path_create_directory" => func!(wasip1_stub::path_create_directory),
             "path_remove_directory" => func!(wasip1_stub::path_remove_directory),

arbitrator/jit/src/wasip1_stub.rs

@@ -61,6 +61,11 @@ wrap! {
         filesize: u32
     ) -> Errno;
 
+    fn fd_tell(
+        fd: u32,
+        offset: GuestPtr
+    ) -> Errno;
+
     fn fd_datasync(_fd: u32) -> Errno;
 
     fn path_open(

arbitrator/wasm-libraries/wasi-stub/src/lib.rs

@@ -85,6 +85,11 @@ wrap! {
         filesize: u32
     ) -> Errno;
 
+    fn fd_tell(
+        fd: u32,
+        offset: GuestPtr
+    ) -> Errno;
+
     fn fd_datasync(fd: u32) -> Errno;
 
     fn path_open(