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Only save ip and 'archdep' regs when signalling.

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This commit is contained in:
4lDO2
2024-06-27 11:15:16 +02:00
parent 12cfcfc6f2
commit e8060b259d
5 changed files with 7 additions and 36 deletions
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src/context/signal.rs
+2 -8
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@@ -83,10 +83,7 @@ pub fn signal_handler() {
};
let ip = regs.instr_pointer();
let sp = regs.stack_pointer();
let fl = regs.flags();
let scratch_a = regs.scratch.a();
let scratch_b = regs.scratch.b();
let archdep_reg = regs.sig_archdep_reg();
regs.set_instr_pointer(sigh_instr_ptr);
@@ -94,10 +91,7 @@ pub fn signal_handler() {
.expect("cannot have been unset while holding the lock");
thread_ctl.saved_ip.set(ip);
thread_ctl.saved_sp.set(sp);
thread_ctl.saved_flags.set(fl);
thread_ctl.saved_scratch_a.set(scratch_a);
thread_ctl.saved_scratch_b.set(scratch_b);
thread_ctl.saved_archdep_reg.set(archdep_reg);
thread_ctl.control_flags.store((control_flags | SigcontrolFlags::INHIBIT_DELIVERY).bits(), Ordering::Release);
}