This should be fixed in r343746. Andrew
> On 4 Feb 2019, at 05:28, Li-Wen Hsu <lw...@freebsd.org> wrote: > > On Sun, Feb 3, 2019 at 8:46 PM Andrew Turner <and...@freebsd.org> wrote: >> >> Author: andrew >> Date: Sun Feb 3 12:46:27 2019 >> New Revision: 343713 >> URL: https://svnweb.freebsd.org/changeset/base/343713 >> >> Log: >> Enable COVERAGE and KCOV by default on arm64 and amd64. >> >> This allows userspace to trace the kernel using the coverage sanitizer >> found in clang. It will also allow other coverage tools to be built as >> modules and attach into the same framework. >> >> Sponsored by: DARPA, AFRL >> >> Modified: >> head/sys/amd64/conf/GENERIC >> head/sys/arm64/conf/GENERIC >> >> Modified: head/sys/amd64/conf/GENERIC >> ============================================================================== >> --- head/sys/amd64/conf/GENERIC Sun Feb 3 11:41:43 2019 (r343712) >> +++ head/sys/amd64/conf/GENERIC Sun Feb 3 12:46:27 2019 (r343713) >> @@ -102,8 +102,8 @@ options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) >> options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off >> by default >> >> # Kernel Sanitizers >> -#options COVERAGE # Generic kernel coverage. Used by >> KCOV >> -#options KCOV # Kernel Coverage Sanitizer >> +options COVERAGE # Generic kernel coverage. Used by >> KCOV >> +options KCOV # Kernel Coverage Sanitizer >> # Warning: KUBSAN can result in a kernel too large for loader to load >> #options KUBSAN # Kernel Undefined Behavior Sanitizer >> >> >> Modified: head/sys/arm64/conf/GENERIC >> ============================================================================== >> --- head/sys/arm64/conf/GENERIC Sun Feb 3 11:41:43 2019 (r343712) >> +++ head/sys/arm64/conf/GENERIC Sun Feb 3 12:46:27 2019 (r343713) >> @@ -94,8 +94,8 @@ options USB_DEBUG # enable debug msgs >> options VERBOSE_SYSINIT=0 # Support debug.verbose_sysinit, off >> by default >> >> # Kernel Sanitizers >> -#options COVERAGE # Generic kernel coverage. Used by >> KCOV >> -#options KCOV # Kernel Coverage Sanitizer >> +options COVERAGE # Generic kernel coverage. Used by >> KCOV >> +options KCOV # Kernel Coverage Sanitizer >> # Warning: KUBSAN can result in a kernel too large for loader to load >> #options KUBSAN # Kernel Undefined Behavior Sanitizer > > This breaks gcc build: > https://ci.freebsd.org/job/FreeBSD-head-amd64-gcc/8781/console : > > x86_64-unknown-freebsd12.0-gcc: error: unrecognized command line > option '-fsanitize-coverage=trace-pc,trace-cmp'; did you mean > '-fsanitize-coverage=trace-pc'? > > We probably need to adjust arguments passed to gcc. > > Li-Wen > _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
