wasmer/lib/runtime-c-api/src/trampoline.rs

73 lines
2.2 KiB
Rust
Raw Normal View History

use std::ffi::c_void;
use wasmer_runtime_core::trampoline::*;
#[repr(C)]
pub struct wasmer_trampoline_buffer_builder_t;
#[repr(C)]
pub struct wasmer_trampoline_buffer_t;
#[repr(C)]
pub struct wasmer_trampoline_callable_t;
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub extern "C" fn wasmer_trampoline_buffer_builder_new() -> *mut wasmer_trampoline_buffer_builder_t
{
Box::into_raw(Box::new(TrampolineBufferBuilder::new())) as *mut _
}
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_buffer_builder_add_context_trampoline(
b: *mut wasmer_trampoline_buffer_builder_t,
f: *const wasmer_trampoline_callable_t,
ctx: *const c_void,
) -> usize {
let b = &mut *(b as *mut TrampolineBufferBuilder);
b.add_context_trampoline(f as *const CallTarget, ctx as *const CallContext)
}
#[no_mangle]
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_buffer_builder_add_callinfo_trampoline(
b: *mut wasmer_trampoline_buffer_builder_t,
f: *const wasmer_trampoline_callable_t,
ctx: *const c_void,
num_params: u32,
) -> usize {
let b = &mut *(b as *mut TrampolineBufferBuilder);
b.add_callinfo_trampoline(::std::mem::transmute(f), ctx as *const CallContext, num_params)
}
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_buffer_builder_build(
b: *mut wasmer_trampoline_buffer_builder_t,
) -> *mut wasmer_trampoline_buffer_t {
let b = Box::from_raw(b as *mut TrampolineBufferBuilder);
Box::into_raw(Box::new(b.build())) as *mut _
}
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_buffer_destroy(b: *mut wasmer_trampoline_buffer_t) {
Box::from_raw(b);
}
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_buffer_get_trampoline(
b: *const wasmer_trampoline_buffer_t,
idx: usize,
) -> *const wasmer_trampoline_callable_t {
let b = &*(b as *const TrampolineBuffer);
b.get_trampoline(idx) as _
}
#[no_mangle]
2019-06-03 14:32:35 +00:00
#[allow(clippy::cast_ptr_alignment)]
pub unsafe extern "C" fn wasmer_trampoline_get_context() -> *mut c_void {
get_context() as *const c_void as *mut c_void
}