fcb718b25f
While cg_llvm is very lax about mismatched function signatures, cg_clif will crash when there is any mismatch. It could be turned into an error, but without Cranelift changes can't just be ignored.
51 lines
967 B
Rust
51 lines
967 B
Rust
#![feature(rustc_attrs)]
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#![no_std]
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#![no_main]
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extern crate alloc;
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use alloc::alloc::{GlobalAlloc, Layout};
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#[panic_handler]
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fn panic_handler(_: &core::panic::PanicInfo) -> ! {
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loop {}
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}
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#[no_mangle]
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extern "C" fn rust_eh_personality(
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_version: i32,
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_actions: i32,
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_exception_class: u64,
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_exception_object: *mut (),
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_context: *mut (),
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) -> i32 {
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loop {}
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}
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#[global_allocator]
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static ALLOC: Alloc = Alloc;
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struct Alloc;
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unsafe impl GlobalAlloc for Alloc {
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unsafe fn alloc(&self, _: Layout) -> *mut u8 {
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core::ptr::null_mut()
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}
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unsafe fn dealloc(&self, _: *mut u8, _: Layout) {
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todo!()
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}
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}
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#[cfg(not(check_feature_gate))]
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#[rustc_std_internal_symbol]
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fn __rust_no_alloc_shim_is_unstable_v2() {}
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#[no_mangle]
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extern "C" fn main(_argc: core::ffi::c_int, _argv: *const *const i8) -> i32 {
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unsafe {
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assert_eq!(alloc::alloc::alloc(Layout::new::<()>()), core::ptr::null_mut());
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}
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0
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}
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