Rust errors / Everything else
Rust compiler error · checked with rustc 1.99.0
Rust error E0781: the `"cmse-nonsecure-call"` ABI is only allowed on function pointers
What it meansThe cmse-nonsecure-call ABI can only be used with function pointers.
What rustc prints
error[E0781]: the `"cmse-nonsecure-call"` ABI is only allowed on function pointers
--> main.rs:3:1
|
3 | pub extern "cmse-nonsecure-call" fn test() {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Real output of rustc 1.99.0 compiling the official example below (2021 edition). Your names and line numbers will differ; the first line is the part to match.
E0781Everything else
Activein rustc 1.99.0
8related errors linked below
The compiler team's explanation
The cmse-nonsecure-call ABI can only be used with function pointers.
Erroneous code example:
#![feature(abi_cmse_nonsecure_call)]
pub extern "cmse-nonsecure-call" fn test() {}The cmse-nonsecure-call ABI should be used by casting function pointers to specific addresses.
From rustc --explain E0781 (1.99.0), part of the Rust project, MIT or Apache-2.0. Official page.
Related errors
- E0061this function takes N arguments but M were supplied
- E0412cannot find type in this scope
- E0515cannot return reference to local variable
- E0728await is only allowed inside async functions and blocks
- E0767use of unreachable label `'a`
- E0768no valid digits found for number
- E0784union expressions should have exactly one field
- E0786A metadata file was invalid
Up next
Often hit nextE0061: this function takes N arguments but M were suppliedA related error from the same family.Read it next →Did this answer your question?