Remove stray file in C API (#1464)
Forgot to delete this from a previous PR!
This commit is contained in:
Alex Crichton
@@ -1,286 +0,0 @@
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//! This file defines the extern "C" API extension, which are specific
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//! to the wasmtime implementation.
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use crate::*;
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use std::str;
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use wasmtime::{Extern, Linker, OptLevel, ProfilingStrategy, Strategy};
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#[repr(u8)]
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#[derive(Clone)]
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pub enum wasmtime_strategy_t {
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WASMTIME_STRATEGY_AUTO,
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WASMTIME_STRATEGY_CRANELIFT,
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WASMTIME_STRATEGY_LIGHTBEAM,
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}
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#[repr(u8)]
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#[derive(Clone)]
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pub enum wasmtime_opt_level_t {
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WASMTIME_OPT_LEVEL_NONE,
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WASMTIME_OPT_LEVEL_SPEED,
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WASMTIME_OPT_LEVEL_SPEED_AND_SIZE,
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}
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#[repr(u8)]
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#[derive(Clone)]
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pub enum wasmtime_profiling_strategy_t {
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WASMTIME_PROFILING_STRATEGY_NONE,
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WASMTIME_PROFILING_STRATEGY_JITDUMP,
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_debug_info_set(c: *mut wasm_config_t, enable: bool) {
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(*c).config.debug_info(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_wasm_threads_set(c: *mut wasm_config_t, enable: bool) {
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(*c).config.wasm_threads(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_wasm_reference_types_set(
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c: *mut wasm_config_t,
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enable: bool,
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) {
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(*c).config.wasm_reference_types(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_wasm_simd_set(c: *mut wasm_config_t, enable: bool) {
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(*c).config.wasm_simd(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_wasm_bulk_memory_set(c: *mut wasm_config_t, enable: bool) {
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(*c).config.wasm_bulk_memory(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_wasm_multi_value_set(c: *mut wasm_config_t, enable: bool) {
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(*c).config.wasm_multi_value(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_strategy_set(
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c: *mut wasm_config_t,
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strategy: wasmtime_strategy_t,
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) {
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use wasmtime_strategy_t::*;
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drop((*c).config.strategy(match strategy {
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WASMTIME_STRATEGY_AUTO => Strategy::Auto,
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WASMTIME_STRATEGY_CRANELIFT => Strategy::Cranelift,
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WASMTIME_STRATEGY_LIGHTBEAM => Strategy::Lightbeam,
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}));
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_cranelift_debug_verifier_set(
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c: *mut wasm_config_t,
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enable: bool,
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) {
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(*c).config.cranelift_debug_verifier(enable);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_cranelift_opt_level_set(
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c: *mut wasm_config_t,
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opt_level: wasmtime_opt_level_t,
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) {
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use wasmtime_opt_level_t::*;
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(*c).config.cranelift_opt_level(match opt_level {
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WASMTIME_OPT_LEVEL_NONE => OptLevel::None,
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WASMTIME_OPT_LEVEL_SPEED => OptLevel::Speed,
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WASMTIME_OPT_LEVEL_SPEED_AND_SIZE => OptLevel::SpeedAndSize,
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});
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_config_profiler_set(
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c: *mut wasm_config_t,
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strategy: wasmtime_profiling_strategy_t,
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) {
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use wasmtime_profiling_strategy_t::*;
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drop((*c).config.profiler(match strategy {
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WASMTIME_PROFILING_STRATEGY_NONE => ProfilingStrategy::None,
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WASMTIME_PROFILING_STRATEGY_JITDUMP => ProfilingStrategy::JitDump,
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}));
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}
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#[no_mangle]
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pub extern "C" fn wasmtime_wat2wasm(
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wat: &wasm_byte_vec_t,
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ret: &mut wasm_byte_vec_t,
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error: Option<&mut wasm_byte_vec_t>,
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) -> bool {
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let wat = match str::from_utf8(wat.as_slice()) {
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Ok(s) => s,
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Err(_) => {
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if let Some(error) = error {
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error.set_buffer(b"input was not valid utf-8".to_vec());
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}
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return false;
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}
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};
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match wat::parse_str(wat) {
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Ok(bytes) => {
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ret.set_buffer(bytes.into());
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true
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}
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Err(e) => {
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if let Some(error) = error {
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error.set_buffer(e.to_string().into_bytes());
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}
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false
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}
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}
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}
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#[repr(C)]
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pub struct wasmtime_linker_t {
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linker: Linker,
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_new(store: *mut wasm_store_t) -> *mut wasmtime_linker_t {
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Box::into_raw(Box::new(wasmtime_linker_t {
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linker: Linker::new(&(*store).store.borrow()),
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}))
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_allow_shadowing(
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linker: *mut wasmtime_linker_t,
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allow_shadowing: bool,
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) {
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(*linker).linker.allow_shadowing(allow_shadowing);
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_delete(linker: *mut wasmtime_linker_t) {
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drop(Box::from_raw(linker));
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_define(
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linker: *mut wasmtime_linker_t,
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module: *const wasm_name_t,
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name: *const wasm_name_t,
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item: *const wasm_extern_t,
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) -> bool {
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let linker = &mut (*linker).linker;
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let module = match str::from_utf8((*module).as_slice()) {
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Ok(s) => s,
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Err(_) => return false,
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};
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let name = match str::from_utf8((*name).as_slice()) {
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Ok(s) => s,
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Err(_) => return false,
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};
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let item = match &(*item).which {
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ExternHost::Func(e) => Extern::Func(e.borrow().clone()),
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ExternHost::Table(e) => Extern::Table(e.borrow().clone()),
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ExternHost::Global(e) => Extern::Global(e.borrow().clone()),
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ExternHost::Memory(e) => Extern::Memory(e.borrow().clone()),
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};
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linker.define(module, name, item).is_ok()
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_define_wasi(
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linker: *mut wasmtime_linker_t,
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instance: *const wasi_instance_t,
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) -> bool {
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let linker = &mut (*linker).linker;
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(*instance).add_to_linker(linker).is_ok()
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_define_instance(
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linker: *mut wasmtime_linker_t,
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name: *const wasm_name_t,
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instance: *const wasm_instance_t,
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) -> bool {
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let linker = &mut (*linker).linker;
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let name = match str::from_utf8((*name).as_slice()) {
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Ok(s) => s,
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Err(_) => return false,
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};
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linker
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.instance(name, &(*instance).instance.borrow())
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.is_ok()
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_linker_instantiate(
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linker: *const wasmtime_linker_t,
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module: *const wasm_module_t,
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trap: *mut *mut wasm_trap_t,
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) -> *mut wasm_instance_t {
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let linker = &(*linker).linker;
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handle_instantiate(linker.instantiate(&(*module).module.borrow()), trap)
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}
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pub type wasmtime_func_callback_t = unsafe extern "C" fn(
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caller: *const wasmtime_caller_t,
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args: *const wasm_val_t,
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results: *mut wasm_val_t,
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) -> *mut wasm_trap_t;
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pub type wasmtime_func_callback_with_env_t = unsafe extern "C" fn(
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caller: *const wasmtime_caller_t,
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env: *mut std::ffi::c_void,
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args: *const wasm_val_t,
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results: *mut wasm_val_t,
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) -> *mut wasm_trap_t;
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#[repr(C)]
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pub struct wasmtime_caller_t<'a> {
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pub inner: wasmtime::Caller<'a>,
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_func_new(
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store: *mut wasm_store_t,
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ty: *const wasm_functype_t,
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callback: wasmtime_func_callback_t,
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) -> *mut wasm_func_t {
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crate::create_function(store, ty, crate::Callback::Wasmtime(callback))
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_func_new_with_env(
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store: *mut wasm_store_t,
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ty: *const wasm_functype_t,
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callback: wasmtime_func_callback_with_env_t,
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env: *mut std::ffi::c_void,
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finalizer: Option<unsafe extern "C" fn(arg1: *mut std::ffi::c_void)>,
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) -> *mut wasm_func_t {
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crate::create_function_with_env(
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store,
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ty,
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crate::CallbackWithEnv::Wasmtime(callback),
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env,
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finalizer,
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)
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}
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#[no_mangle]
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pub unsafe extern "C" fn wasmtime_caller_export_get(
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caller: *const wasmtime_caller_t,
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name: *const wasm_name_t,
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) -> *mut wasm_extern_t {
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let name = match str::from_utf8((*name).as_slice()) {
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Ok(s) => s,
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Err(_) => return std::ptr::null_mut(),
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};
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match (*caller).inner.get_export(name).map(|e| match e {
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Extern::Func(f) => ExternHost::Func(HostRef::new(f.clone())),
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Extern::Global(g) => ExternHost::Global(HostRef::new(g.clone())),
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Extern::Memory(m) => ExternHost::Memory(HostRef::new(m.clone())),
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Extern::Table(t) => ExternHost::Table(HostRef::new(t.clone())),
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}) {
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Some(export) => Box::into_raw(Box::new(wasm_extern_t { which: export })),
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None => std::ptr::null_mut(),
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}
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}
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