no_std builds again

afl/src/events/llmp.rs

@@ -55,6 +55,8 @@ use core::{
     sync::atomic::{compiler_fence, Ordering},
     time::Duration,
 };
+
+#[cfg(feature = "std")]
 use std::{
     io::{Read, Write},
     net::{TcpListener, TcpStream},
@@ -64,6 +66,7 @@ use std::{
 use crate::utils::next_pow2;
 use crate::AflError;
 
+#[cfg(feature = "std")]
 use super::shmem_translated::AflShmem;
 
 /// We'll start off with 256 megabyte maps per fuzzer client

afl/src/events/mod.rs

@@ -1,31 +1,29 @@
+// TODO: llmp can be no_std, if we abstract away page creation
 #[cfg(feature = "std")]
 pub mod llmp;
 #[cfg(feature = "std")]
 pub mod shmem_translated;
 
-use alloc::string::String;
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
+use core::time::Duration;
 use core::{marker::PhantomData, time};
-
+#[cfg(feature = "std")]
 use serde::{Deserialize, Serialize};
 
-//#[cfg(feature = "std")]
-//pub mod shmem_translated;
-
 #[cfg(feature = "std")]
-use std::time::Duration;
+use self::llmp::Tag;
-
 use crate::corpus::Corpus;
 use crate::executors::Executor;
 use crate::feedbacks::FeedbacksTuple;
 use crate::inputs::Input;
 use crate::observers::ObserversTuple;
+#[cfg(feature = "std")]
 use crate::serde_anymap::Ptr;
 use crate::utils::Rand;
 use crate::AflError;
 use crate::{engines::State, utils};
 
-use self::llmp::Tag;
-
 #[derive(Debug, Copy, Clone)]
 /// Indicate if an event worked or not
 pub enum BrokerEventResult {
@@ -377,6 +375,8 @@ where
                 message,
                 phantom: _,
             } => {
+                let (_, _) = (message, severity_level);
+                #[cfg(feature = "std")]
                 println!("[LOG {}]: {}", severity_level, message);
                 Ok(BrokerEventResult::Handled)
             } //_ => Ok(BrokerEventResult::Forward),
@@ -725,6 +725,7 @@ where
     phantom: PhantomData<(C, E, OT, FT, I, R)>,
 }
 
+#[cfg(feature = "std")]
 impl<C, E, OT, FT, I, R, ST> LlmpEventManager<C, E, OT, FT, I, R, ST>
 where
     C: Corpus<I, R>,

afl/src/feedbacks/mod.rs

@@ -1,3 +1,4 @@
+use alloc::string::{String, ToString};
 use alloc::vec::Vec;
 use core::marker::PhantomData;
 use num::Integer;
@@ -254,7 +255,7 @@ where
     pub fn with_history_map(name: &'static str, history_map: Vec<T>) -> Self {
         Self {
             history_map: history_map,
-            name: name.into(),
+            name: name.to_string(),
             phantom: PhantomData,
         }
     }

afl/src/observers/mod.rs

@@ -1,5 +1,7 @@
 extern crate num;
 
+use alloc::string::{String, ToString};
+use alloc::vec::Vec;
 use serde::{Deserialize, Serialize};
 
 use crate::serde_anymap::ArrayMut;
@@ -186,7 +188,7 @@ where
         let initial = if map.len() > 0 { map[0] } else { T::default() };
         Self {
             map: ArrayMut::Cptr((map.as_mut_ptr(), map.len())),
-            name: name.into(),
+            name: name.to_string(),
             initial,
         }
     }
@@ -197,7 +199,7 @@ where
             let initial = if len > 0 { *map_ptr } else { T::default() };
             StdMapObserver {
                 map: ArrayMut::Cptr((map_ptr, len)),
-                name: name.into(),
+                name: name.to_string(),
                 initial,
             }
         }

afl/src/utils.rs

@@ -84,8 +84,10 @@ pub fn current_time() -> time::Duration {
 /// Current time (fixed fallback for no_std)
 #[cfg(not(feature = "std"))]
 #[inline]
-fn current_time() -> time::Duration {
+pub fn current_time() -> time::Duration {
-    self.start_time()
+    // We may not have a rt clock available.
+    // TODO: Make it somehow plugin-able
+    time::Duration::from_millis(1)
 }
 
 #[cfg(feature = "std")]