Date: Wed, 3 Feb 2016 17:00:19 +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: r295214 - head/sys/arm64/arm64 Message-ID: <201602031700.u13H0JbH015975@repo.freebsd.org>
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Author: andrew Date: Wed Feb 3 17:00:19 2016 New Revision: 295214 URL: https://svnweb.freebsd.org/changeset/base/295214 Log: Handle a misaligned stack pointer exception from userspace. The exception still needs to be enabled, but this will help with testing. 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 Wed Feb 3 16:44:06 2016 (r295213) +++ head/sys/arm64/arm64/trap.c Wed Feb 3 17:00:19 2016 (r295214) @@ -374,6 +374,10 @@ do_el0_sync(struct trapframe *frame) case EXCP_UNKNOWN: el0_excp_unknown(frame); break; + case EXCP_SP_ALIGN: + call_trapsignal(td, SIGBUS, BUS_ADRALN, (void *)frame->tf_sp); + userret(td, frame); + break; case EXCP_PC_ALIGN: call_trapsignal(td, SIGBUS, BUS_ADRALN, (void *)frame->tf_elr); userret(td, frame);
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