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Error when trying to define variadic functions

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They aren't yet supported by Cranelift
This commit is contained in:
bjorn3 2022-07-25 11:18:34 +00:00
parent 3207c9faec
commit 39ee14d253
2 changed files with 23 additions and 0 deletions
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9
src/abi/mod.rs
View File

@ -193,6 +193,15 @@ pub(crate) fn codegen_fn_prelude<'tcx>(fx: &mut FunctionCx<'_, '_, 'tcx>, start_
} }
let fn_abi = fx.fn_abi.take().unwrap(); let fn_abi = fx.fn_abi.take().unwrap();
// FIXME implement variadics in cranelift
if fn_abi.c_variadic {
fx.tcx.sess.span_fatal(
fx.mir.span,
"Defining variadic functions is not yet supported by Cranelift",
);
}
let mut arg_abis_iter = fn_abi.args.iter(); let mut arg_abis_iter = fn_abi.args.iter();
let func_params = fx let func_params = fx

14
src/intrinsics/mod.rs
View File

@ -1135,6 +1135,20 @@ fn codegen_regular_intrinsic_call<'tcx>(
// FIXME implement black_box semantics // FIXME implement black_box semantics
ret.write_cvalue(fx, a); ret.write_cvalue(fx, a);
}; };
// FIXME implement variadics in cranelift
va_copy, (o _dest, o _src) {
fx.tcx.sess.span_fatal(
source_info.span,
"Defining variadic functions is not yet supported by Cranelift",
);
};
va_arg | va_end, (o _valist) {
fx.tcx.sess.span_fatal(
source_info.span,
"Defining variadic functions is not yet supported by Cranelift",
);
};
} }
let ret_block = fx.get_block(destination.unwrap()); let ret_block = fx.get_block(destination.unwrap());