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[AFLplusplus/LibAFL] dump registers on OpenBSD amd64 (PR #787)

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* dump registers on openbsd

* write_crash implementations
This commit is contained in:
David CARLIER 2022-09-15 21:46:33 +01:00 committed by GitHub
parent 60a6c3f68b
commit 577f0be832
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1 changed files with 69 additions and 2 deletions
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71
libafl/src/bolts/minibsod.rs
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@ -216,13 +216,42 @@ pub fn dump_registers<W: Write>(
Ok(())
}
/// Write the content of all important registers
#[cfg(all(target_os = "openbsd", target_arch = "x86_64"))]
#[allow(clippy::similar_names)]
pub fn dump_registers<W: Write>(
writer: &mut BufWriter<W>,
ucontext: &ucontext_t,
) -> Result<(), std::io::Error> {
write!(writer, "r8 : {:#016x}, ", ucontext.sc_r8)?;
write!(writer, "r9 : {:#016x}, ", ucontext.sc_r9)?;
write!(writer, "r10 : {:#016x}, ", ucontext.sc_r10)?;
write!(writer, "r11 : {:#016x}, ", ucontext.sc_r11)?;
write!(writer, "r12 : {:#016x}, ", ucontext.sc_r12)?;
write!(writer, "r13 : {:#016x}, ", ucontext.sc_r13)?;
write!(writer, "r14 : {:#016x}, ", ucontext.sc_r14)?;
write!(writer, "r15 : {:#016x}, ", ucontext.sc_r15)?;
write!(writer, "rdi : {:#016x}, ", ucontext.sc_rdi)?;
write!(writer, "rsi : {:#016x}, ", ucontext.sc_rsi)?;
write!(writer, "rbp : {:#016x}, ", ucontext.sc_rbp)?;
write!(writer, "rbx : {:#016x}, ", ucontext.sc_rbx)?;
write!(writer, "rdx : {:#016x}, ", ucontext.sc_rdx)?;
write!(writer, "rax : {:#016x}, ", ucontext.sc_rax)?;
write!(writer, "rcx : {:#016x}, ", ucontext.sc_rcx)?;
write!(writer, "rsp : {:#016x}, ", ucontext.sc_rsp)?;
write!(writer, "rflags : {:#016x}, ", ucontext.sc_rflags)?;
write!(writer, "cs : {:#016x}, ", ucontext.sc_cs)?;
Ok(())
}
#[allow(clippy::unnecessary_wraps)]
#[cfg(not(any(
target_vendor = "apple",
target_os = "linux",
target_os = "android",
target_os = "freebsd",
target_os = "netbsd"
target_os = "netbsd",
target_os = "openbsd"
)))]
fn dump_registers<W: Write>(
writer: &mut BufWriter<W>,
@ -326,7 +355,45 @@ fn write_crash<W: Write>(
Ok(())
}
#[cfg(not(any(target_vendor = "apple", target_os = "linux", target_os = "android")))]
#[cfg(target_os = "freebsd")]
#[allow(clippy::similar_names)]
fn write_crash<W: Write>(
writer: &mut BufWriter<W>,
signal: Signal,
ucontext: &ucontext_t,
) -> Result<(), std::io::Error> {
writeln!(
writer,
"Received signal {} at{:016x}, fault address: 0x{:016x}",
signal, ucontext.uc_mcontext.mc_rip, ucontext.uc_mcontext.mc_fs
)?;
Ok(())
}
#[cfg(target_os = "openbsd")]
#[allow(clippy::similar_names)]
fn write_crash<W: Write>(
writer: &mut BufWriter<W>,
signal: Signal,
ucontext: &ucontext_t,
) -> Result<(), std::io::Error> {
writeln!(
writer,
"Received signal {} at{:016x}, fault address: 0x{:016x}",
signal, ucontext.sc_rip, ucontext.sc_fs
)?;
Ok(())
}
#[cfg(not(any(
target_vendor = "apple",
target_os = "linux",
target_os = "android",
target_os = "freebsd",
target_os = "openbsd"
)))]
fn write_crash<W: Write>(
writer: &mut BufWriter<W>,
signal: Signal,