wasmer/lib/wasi/src/lib.rs
2019-04-03 17:13:50 -07:00

91 lines
3.2 KiB
Rust

#[macro_use]
extern crate log;
#[macro_use]
mod macros;
mod ptr;
mod state;
mod syscalls;
mod utils;
use self::state::{WasiFs, WasiState};
use self::syscalls::*;
use std::ffi::c_void;
pub use self::utils::is_wasi_module;
use wasmer_runtime_core::{func, import::ImportObject, imports};
pub fn generate_import_object(args: Vec<Vec<u8>>, envs: Vec<Vec<u8>>) -> ImportObject {
let state_gen = move || {
fn state_destructor(data: *mut c_void) {
unsafe {
drop(Box::from_raw(data as *mut WasiState));
}
}
let state = Box::new(WasiState {
fs: WasiFs::new().unwrap(),
args: &args[..],
envs: &envs[..],
});
(
Box::leak(state) as *mut WasiState as *mut c_void,
state_destructor as fn(*mut c_void),
)
};
imports! {
// This generates the wasi state.
state_gen,
"wasi_unstable" => {
"args_get" => func!(args_get),
"args_sizes_get" => func!(args_sizes_get),
"clock_res_get" => func!(clock_res_get),
"clock_time_get" => func!(clock_time_get),
"environ_get" => func!(environ_get),
"environ_sizes_get" => func!(environ_sizes_get),
"fd_advise" => func!(fd_advise),
"fd_allocate" => func!(fd_allocate),
"fd_close" => func!(fd_close),
"fd_datasync" => func!(fd_datasync),
"fd_fdstat_get" => func!(fd_fdstat_get),
"fd_fdstat_set_flags" => func!(fd_fdstat_set_flags),
"fd_fdstat_set_rights" => func!(fd_fdstat_set_rights),
"fd_filestat_get" => func!(fd_filestat_get),
"fd_filestat_set_size" => func!(fd_filestat_set_size),
"fd_filestat_set_times" => func!(fd_filestat_set_times),
"fd_pread" => func!(fd_pread),
"fd_prestat_get" => func!(fd_prestat_get),
"fd_prestat_dir_name" => func!(fd_prestat_dir_name),
"fd_pwrite" => func!(fd_pwrite),
"fd_read" => func!(fd_read),
"fd_readdir" => func!(fd_readdir),
"fd_renumber" => func!(fd_renumber),
"fd_seek" => func!(fd_seek),
"fd_sync" => func!(fd_sync),
"fd_tell" => func!(fd_tell),
"fd_write" => func!(fd_write),
"path_create_directory" => func!(path_create_directory),
"path_filestat_get" => func!(path_filestat_get),
"path_filestat_set_times" => func!(path_filestat_set_times),
"path_link" => func!(path_link),
"path_open" => func!(path_open),
"path_readlink" => func!(path_readlink),
"path_remove_directory" => func!(path_remove_directory),
"path_rename" => func!(path_rename),
"path_symlink" => func!(path_symlink),
"path_unlink_file" => func!(path_unlink_file),
"poll_oneoff" => func!(poll_oneoff),
"proc_exit" => func!(proc_exit),
"proc_raise" => func!(proc_raise),
"random_get" => func!(random_get),
"sched_yield" => func!(sched_yield),
"sock_recv" => func!(sock_recv),
"sock_send" => func!(sock_send),
"sock_shutdown" => func!(sock_shutdown),
},
}
}