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add lua integration test (#109)

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This commit is contained in:
Mackenzie Clark
2019-02-08 17:47:51 -08:00
committed by GitHub
parent 9a56680281
commit e7c3b99ba9
5 changed files with 39 additions and 15 deletions
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27
lib/emscripten/src/jmp.rs
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@ -7,20 +7,19 @@ use wasmer_runtime_core::vm::Ctx;
pub fn __setjmp(env_addr: u32, ctx: &mut Ctx) -> c_int {
debug!("emscripten::__setjmp (setjmp)");
unsafe {
unimplemented!()
// // Rather than using the env as the holder of the jump buffer pointer,
// // we use the environment address to store the index relative to jumps
// // so the address of the jump it's outside the wasm memory itself.
// let jump_index = ctx.memory(0).as_ptr().add(env_addr as usize) as *mut i8;
// // We create the jump buffer outside of the wasm memory
// let jump_buf: UnsafeCell<[c_int; 27]> = UnsafeCell::new([0; 27]);
// let jumps = &mut get_emscripten_data(ctx).jumps;
// let result = setjmp(jump_buf.get() as _);
// // We set the jump index to be the last value of jumps
// *jump_index = jumps.len() as _;
// // We hold the reference of the jump buffer
// jumps.push(jump_buf);
// result
// Rather than using the env as the holder of the jump buffer pointer,
// we use the environment address to store the index relative to jumps
// so the address of the jump it's outside the wasm memory itself.
let jump_index = emscripten_memory_pointer!(ctx.memory(0), env_addr) as *mut i8;
// We create the jump buffer outside of the wasm memory
let jump_buf: UnsafeCell<[u32; 27]> = UnsafeCell::new([0; 27]);
let jumps = &mut get_emscripten_data(ctx).jumps;
let result = setjmp(jump_buf.get() as _);
// We set the jump index to be the last value of jumps
*jump_index = jumps.len() as _;
// We hold the reference of the jump buffer
jumps.push(jump_buf);
result
}
}