mirror of
https://github.com/facebookexperimental/reverie.git
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6813d9a7b2
Summary: This makes merge conflicts much easier to handle. Reviewed By: johnhurt Differential Revision: D37564000 fbshipit-source-id: a7f1a2711ffbdbb23c93e2f479f47d0368a2dad9
48 lines
1.3 KiB
Rust
48 lines
1.3 KiB
Rust
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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use reverie::syscalls::Displayable;
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use reverie::syscalls::Syscall;
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use reverie::Error;
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use reverie::Guest;
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use reverie::Tool;
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use reverie_util::CommonToolArguments;
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use serde::Deserialize;
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use serde::Serialize;
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use structopt::StructOpt;
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#[derive(Serialize, Deserialize, Default)]
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struct StraceTool {}
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#[reverie::tool]
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impl Tool for StraceTool {
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async fn handle_syscall_event<T: Guest<Self>>(
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&self,
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guest: &mut T,
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syscall: Syscall,
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) -> Result<i64, Error> {
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eprintln!(
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"[pid {}] {} = ?",
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guest.tid(),
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syscall.display_with_outputs(&guest.memory()),
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);
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guest.tail_inject(syscall).await
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}
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}
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#[tokio::main]
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async fn main() -> Result<(), Error> {
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let args = CommonToolArguments::from_args();
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let log_guard = args.init_tracing();
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let tracer = reverie_ptrace::TracerBuilder::<StraceTool>::new(args.into())
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.spawn()
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.await?;
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let (status, _) = tracer.wait().await?;
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drop(log_guard); // Flush logs before exiting.
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status.raise_or_exit()
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}
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