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extern crate psm;
psm::psm_stack_manipulation! {
yes {
use std::alloc;
const STACK_SIZE: usize = 4096 * 64;
const STACK_ALIGN: usize = 4096;
fn main() {
println!("current stack pointer is {:p}", psm::stack_pointer());
unsafe {
let new_stack = alloc::alloc(alloc::Layout::from_size_align(STACK_SIZE, STACK_ALIGN).unwrap());
println!("new stack is between {:p} and {:p}", new_stack, new_stack.offset(STACK_SIZE as isize));
psm::replace_stack(new_stack, STACK_SIZE, || {
println!("after replacement stack pointer is {:p}", psm::stack_pointer());
::std::process::exit(0);
});
}
}
}
no {
fn main() {
eprintln!("Stack manipulation not supported by this target");
}
}
}
#[test]
fn run_example() {
// NOTE: intentionally out-of-processes, as the example exits with `process::exit(0)`.
main()
}
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