mirror of
https://github.com/fluencelabs/wasmer
synced 2024-12-13 14:25:32 +00:00
25 lines
610 B
Rust
25 lines
610 B
Rust
extern "C" {
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fn call_guest_fn(f: u32) -> u32;
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fn call_guest_fn2(f: u32) -> u32;
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fn host_callback() -> u32;
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}
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#[no_mangle]
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fn test_callback() -> u32 {
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42
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}
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#[no_mangle]
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fn test_callback2() -> u32 {
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45
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}
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fn main() {
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unsafe { call_guest_fn(test_callback as usize as u32) };
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unsafe { call_guest_fn(host_callback as usize as u32) };
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unsafe { call_guest_fn(test_callback2 as usize as u32) };
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unsafe { call_guest_fn2(test_callback2 as usize as u32) };
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unsafe { call_guest_fn2(test_callback as usize as u32) };
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unsafe { call_guest_fn2(host_callback as usize as u32) };
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}
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