Date: Sun, 4 Oct 2015 21:16:46 +0000 (UTC) From: Andrew Turner <andrew@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r288671 - head/sys/arm64/arm64 Message-ID: <201510042116.t94LGkEU025750@repo.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: andrew Date: Sun Oct 4 21:16:45 2015 New Revision: 288671 URL: https://svnweb.freebsd.org/changeset/base/288671 Log: When trying to execute from a misaligned address raise a SIGBUS with the invalid address alignment code. Obtained from: EuroBSDCon Sponsored by: ABT Systems Ltd Modified: head/sys/arm64/arm64/trap.c Modified: head/sys/arm64/arm64/trap.c ============================================================================== --- head/sys/arm64/arm64/trap.c Sun Oct 4 19:10:27 2015 (r288670) +++ head/sys/arm64/arm64/trap.c Sun Oct 4 21:16:45 2015 (r288671) @@ -377,6 +377,11 @@ do_el0_sync(struct trapframe *frame) case EXCP_UNKNOWN: el0_excp_unknown(frame); break; + case EXCP_PC_ALIGN: + td = curthread; + call_trapsignal(td, SIGBUS, BUS_ADRALN, (void *)frame->tf_elr); + userret(td, frame); + break; case EXCP_BRK: td = curthread; call_trapsignal(td, SIGTRAP, TRAP_BRKPT, (void *)frame->tf_elr);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201510042116.t94LGkEU025750>