47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
// Copyright 2012-2014 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//ignore-android
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//ignore-linux
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//ignore-freebsd
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//ignore-ios
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//ignore-dragonfly
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#![feature(asm)]
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use std::old_io::process::Command;
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use std::env;
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// lifted from the test module
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// Inlining to avoid llvm turning the recursive functions into tail calls,
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// which doesn't consume stack.
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#[inline(always)]
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#[no_stack_check]
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pub fn black_box<T>(dummy: T) { unsafe { asm!("" : : "r"(&dummy)) } }
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#[no_stack_check]
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fn recurse() {
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let buf = [0; 10];
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black_box(buf);
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recurse();
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}
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fn main() {
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let args: Vec<String> = env::args().collect();
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if args.len() > 1 && args[1] == "recurse" {
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recurse();
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} else {
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let recurse = Command::new(&args[0]).arg("recurse").output().unwrap();
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assert!(!recurse.status.success());
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let error = String::from_utf8_lossy(&recurse.error);
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assert!(error.contains("has overflowed its stack"));
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}
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}
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