Commit 7d2f3699 authored by Per Lindgren's avatar Per Lindgren

updated klee-examples

parent c24284b1
//! Showcase how individual fields can be made symbolic
//! $ cargo klee --bin foo --release -r -k -g -v
//! ...
//! Reading symbols from register.replay...done.
//!
//! (gdb) set env KTEST_FILE=klee-last/test000001.ktest
//! (gdb) run
//! Starting program: /home/pln/rust/cargo-klee/klee-examples/target/debug/deps/foo.replay
//! [Inferior 1 (process 25074) exited with code 01]
//!
//! (gdb) set env KTEST_FILE=klee-last/test000002.ktest
//! (gdb) run
//! Starting program: /home/pln/rust/cargo-klee/klee-examples/target/debug/deps/foo.replay
//!
//! Program received signal SIGILL, Illegal instruction.
//! rust_begin_unwind (_info=0x7fffffffd6a8)
//! at /home/pln/.cargo/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.3.1/src/lib.rs:31
//! 31 unsafe { intrinsics::abort() }
//! (gdb) backtrace
//! #0 rust_begin_unwind (_info=0x7fffffffd6a8)
//! at /home/pln/.cargo/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.3.1/src/lib.rs:31
//! #1 0x000055555555530c in core::panicking::panic_fmt ()
//! at src/libcore/panicking.rs:85
//! #2 0x000055555555538b in core::panicking::panic () at src/libcore/panicking.rs:49
//! #3 0x0000555555555281 in foo::f2 (u=0) at src/foo.rs:60
//! #4 0x0000555555555234 in main () at src/foo.rs:51
//! (gdb) frame 4
//! #4 0x0000555555555234 in main () at src/foo.rs:51
//! 46 let _ = f2(f1(u.a));
//! (gdb) print u
//! $1 = foo::A {a: 255, b: 7}
#![no_std]
#![no_main]
......@@ -5,8 +37,6 @@
extern crate klee;
extern crate panic_abort;
use core::ptr;
struct A {
a: u8,
b: u32,
......@@ -17,13 +47,11 @@ fn main() {
let mut a = 0;
ksymbol!(&mut a, "a");
let mut u = A { a: a, b: 0 };
unsafe {
ptr::read_volatile(&f2(f1(u.a)));
}
u.b = 7;
let _ = f2(f1(u.a));
}
// add 1 wrapping
// add 1 wrapping instead of panic
fn f1(u: u8) -> u8 {
u.wrapping_add(1)
}
......
//! showcase volatile register
//!
//! $ cargo klee --bin register -r -g
//! $ cargo klee --bin register -r -g -k
//! ...
//! Reading symbols from register.replay...done.
//!
......
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