Method check_c_stack_overflow

crates/vm/src/vm/mod.rs:1520–1527

(&self)

    #[cfg(not(miri))]
    #[inline(always)]
    fn check_c_stack_overflow(&self) -> bool {
        let current_sp = psm::stack_pointer() as usize;
        let soft_limit = self.c_stack_soft_limit.get();
        // Stack grows downward: check if we're below soft limit but above hard limit
        // This matches CPython's _Py_MakeRecCheck behavior
        current_sp < soft_limit
            && current_sp >= soft_limit.saturating_sub(Self::STACK_MARGIN_BYTES * 2)
    }

    /// Miri doesn't support inline assembly, so always return false.
    #[cfg(miri)]