diff options
| author | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-12-18 20:03:49 +0000 |
|---|---|---|
| committer | Mark Kettenis <kettenis@cvs.openbsd.org> | 2017-12-18 20:03:49 +0000 |
| commit | f6ae06ce1e37a51988ed40519f3e43ab37856c5c (patch) | |
| tree | 51098818284a30c3ba5ff658f602991095b09b5c /sys/arch/arm64 | |
| parent | cdde6597c71a4f9e772ae8f7b9efc77b0396e8b9 (diff) | |
Generate SIGBUS/BUS_ADRALN when we see a PC Alignment Exception from userland.
ok patrick@
Diffstat (limited to 'sys/arch/arm64')
| -rw-r--r-- | sys/arch/arm64/arm64/trap.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sys/arch/arm64/arm64/trap.c b/sys/arch/arm64/arm64/trap.c index 5e14cfd87b5..dfe631791f0 100644 --- a/sys/arch/arm64/arm64/trap.c +++ b/sys/arch/arm64/arm64/trap.c @@ -1,4 +1,4 @@ -/* $OpenBSD: trap.c,v 1.11 2017/09/16 02:03:40 guenther Exp $ */ +/* $OpenBSD: trap.c,v 1.12 2017/12/18 20:03:48 kettenis Exp $ */ /*- * Copyright (c) 2014 Andrew Turner * All rights reserved. @@ -307,6 +307,11 @@ do_el0_sync(struct trapframe *frame) vfp_save(); data_abort(frame, esr, 1, 1); break; + case EXCP_PC_ALIGN: + vfp_save(); + sv.sival_ptr = (void *)frame->tf_elr; + trapsignal(p, SIGBUS, 0, BUS_ADRALN, sv); + break; case EXCP_DATA_ABORT_L: vfp_save(); data_abort(frame, esr, 1, 0); |