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process crash handler, dump registers on apple arm64 (#271)

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David CARLIER 2021-08-21 13:47:55 +01:00 committed by GitHub
parent 65b5051c7c
commit 8f03d20200
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1 changed files with 26 additions and 0 deletions
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26
libafl/src/executors/inprocess.rs
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@ -523,6 +523,32 @@ mod unix_signal_handler {
//println!("{:?}", backtrace::Backtrace::new())
}
#[allow(clippy::non_ascii_literal)]
#[cfg(all(
feature = "std",
any(target_os = "macos", target_os = "ios"),
target_arch = "aarch64"
))]
{
let mcontext = *_context.uc_mcontext;
println!("{:━^100}", " CRASH ");
println!(
"Received signal {} at 0x{:016x}, fault address: 0x{:016x}",
_signal, mcontext.__ss.__pc, mcontext.__es.__far
);
println!("{:━^100}", " REGISTERS ");
for reg in 0..29 {
print!("x{:02}: 0x{:016x} ", reg, mcontext.__ss.__x[reg as usize]);
if reg % 4 == 3 {
println!();
}
}
print!("fp: 0x{:016x} ", mcontext.__ss.__fp);
print!("lr: 0x{:016x} ", mcontext.__ss.__lr);
print!("pc: 0x{:016x} ", mcontext.__ss.__pc);
}
#[cfg(feature = "std")]
let _res = stdout().flush();