Wildan M
38 lines
989 B
Rust
38 lines
989 B
Rust
use core::fmt::Write;
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#[unsafe(no_mangle)]
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pub extern "C" fn relibc_panic(pi: &::core::panic::PanicInfo) -> ! {
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use core::fmt::Write;
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let mut w = PanicWriter::new();
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let _ = w.write_fmt(format_args!("RELIBC PANIC: {}\n", pi));
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core::intrinsics::abort();
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}
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struct PanicWriter;
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impl PanicWriter {
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pub fn new() -> Self {
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Self
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}
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}
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impl Write for PanicWriter {
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fn write_str(&mut self, s: &str) -> core::fmt::Result {
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// Cannot use Sys::write, Tcb might not be available
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#[cfg(target_os = "redox")]
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{
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// TODO: init stderr ourself if it not ready.
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// Workaround: If stderr is not being prepared,
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// add debugging log at kernel write() syscall
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let _ = syscall::write(2, s.as_bytes());
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return Ok(());
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}
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// Non-redox platforms can directly write to stderr
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let mut w = crate::platform::FileWriter::new(2);
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w.write_str(s)
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}
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}
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