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Merge branch 'master' of https://github.com/AbleTheAbove/ableos-wasm-loader

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This commit is contained in:
elfein 2021-11-12 02:50:17 -08:00
parent 5910e19545 282c86eff2
commit 5b01f3c2b1
3 changed files with 87 additions and 86 deletions
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15
src/main.rs
View file

@ -14,12 +14,12 @@ impl HostFunctions {
fn check_signature(&self, index: usize, signature: &Signature) -> bool {
let (params, ret_ty): (&[ValueType], Option<ValueType>) = match index.into() {
SysCall::KILL => (&[ValueType::I32, ValueType::I32], Some(ValueType::I32)),
SysCall::EMPTY => (&[], None),
_ => return false,
};
signature.params() == params && signature.return_type() == ret_ty
}
}
impl Externals for HostFunctions {
fn invoke_index(
&mut self,
@ -34,12 +34,12 @@ impl Externals for HostFunctions {
Ok(Some(RuntimeValue::I32(result as i32)))
}
SysCall::CONSOLE_RESET => {}
SysCall::CONSOLE_IN => {}
SysCall::CONSOLE_OUT => {}
SysCall::CONSOLE_GET_TITLE => {}
SysCall::CONSOLE_SET_TITLE => {}
SysCall::EMPTY => Ok(None),
// SysCall::CONSOLE_RESET => {}
// SysCall::CONSOLE_IN => {}
// SysCall::CONSOLE_OUT => {}
// SysCall::CONSOLE_GET_TITLE => {}
// SysCall::CONSOLE_SET_TITLE => {}
_ => panic!("Unimplemented function at {}", index),
}
}
@ -48,6 +48,7 @@ impl ModuleImportResolver for HostFunctions {
fn resolve_func(&self, field_name: &str, signature: &Signature) -> Result<FuncRef, Error> {
let index = match field_name {
"add" => SysCall::KILL as usize,
"empty" => SysCall::EMPTY as usize,
_ => {
return Err(Error::Instantiation(format!(
"Export {} not found",

4
src/wasm_sys.rs
View file

@ -1,4 +1,5 @@
macro_rules! syscall_enum {
() => {};
(@get_last $Variant:ident) => {
Self::$Variant
};
@ -71,9 +72,6 @@ syscall_enum! {
SOCKET_SEND=42,
SOCKET_RECEIVE=43,
// Security Syscalls
ENCRYPT=50,
EMPTY=0xFFFF,

2
wasm/test.wat
View file

@ -1,6 +1,8 @@
(module
(import "host" "add" (func $add (param i32 i32)(result i32)))
(; (import "host" "empty" (func $empty)) ;)
(func (export "main") (result i32)
(; (call $empty) ;)
(call $add (i32.const 123) (i32.const 456))
)
)