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Enable COVERAGE and KCOV by default on arm64 and amd64.

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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
This commit is contained in:
Andrew Turner 2019-02-03 12:46:27 +00:00
parent 3ca1c423aa
commit 634a8a8873
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=343713
2 changed files with 4 additions and 4 deletions
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4
sys/amd64/conf/GENERIC
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@ -102,8 +102,8 @@ options MALLOC_DEBUG_MAXZONES=8 # Separate malloc(9) zones
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

4
sys/arm64/conf/GENERIC
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@ -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