rust/tests/fail/backtrace/bad-backtrace-resolve-flags.rs
2022-06-01 10:53:38 -04:00

26 lines
685 B
Rust

#[repr(C)]
struct MiriFrame {
name_len: usize,
filename_len: usize,
lineno: u32,
colno: u32,
fn_ptr: *mut (),
}
extern "Rust" {
fn miri_backtrace_size(flags: u64) -> usize;
fn miri_get_backtrace(flags: u64, buf: *mut *mut ());
fn miri_resolve_frame(ptr: *mut (), flags: u64) -> MiriFrame;
}
fn main() {
unsafe {
let mut buf = vec![0 as *mut _; miri_backtrace_size(0)];
miri_get_backtrace(1, buf.as_mut_ptr());
// miri_resolve_frame will error from an invalid backtrace before it will from invalid flags
miri_resolve_frame(buf[0], 2); //~ ERROR unsupported operation: unknown `miri_resolve_frame` flags 2
}
}