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Have vmctx be the first argument so we (almost) never have to shuffle it around

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Jef
2019-01-16 09:33:46 +01:00
parent b86d11e4ad
commit d7434fe5d2
4 changed files with 34 additions and 21 deletions
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8
src/module.rs
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@@ -62,11 +62,9 @@ macro_rules! impl_function_args {
impl<$first, $($rest),*> FunctionArgs for ($first, $($rest),*) {
#[allow(non_snake_case)]
unsafe fn call<T>(self, start: *const u8, vm_ctx: *const u8) -> T {
let func = mem::transmute::<_, extern "sysv64" fn($first $(, $rest)*, VmCtx) -> T>(start);
{
let ($first, $($rest),*) = self;
func($first $(, $rest)*, vm_ctx as VmCtx)
}
let func = mem::transmute::<_, extern "sysv64" fn(VmCtx, $first $(, $rest)*) -> T>(start);
let ($first, $($rest),*) = self;
func(vm_ctx as VmCtx, $first $(, $rest)*)
}
}