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Enhance the documentation of MKSANITIZER in bsd.README

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Note that the list of sanitizer features is just a selection, not a
complete list. Include there LSan and Scudo. Missing: hwmsan, esan,
ubsan_minimal etc.

Explain that USE_SANITIZER is an argument passed to -fsanitize= and it can
contain multiple options.

Mention SANITIZERFLAGS to pass even more sanitizer arguments.

Stop tracking in this file what compiler compiles what features. Just note
that the selection of supported features depends on a compiler version and
target CPU architecture.
This commit is contained in:
kamil 2018-06-24 20:40:58 +00:00
parent 8c3f655828
commit 7d11bff33f
1 changed files with 11 additions and 3 deletions
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14
share/mk/bsd.README
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@ -1,4 +1,4 @@
# $NetBSD: bsd.README,v 1.375 2018/06/03 04:41:04 wiz Exp $
# $NetBSD: bsd.README,v 1.376 2018/06/24 20:40:58 kamil Exp $
# @(#)bsd.README 8.2 (Berkeley) 4/2/94
This is the README file for the make "include" files for the NetBSD
@ -389,15 +389,23 @@ MKREPRO If "yes", create reproducible builds. This enables
MKSANITIZER if "yes", use the selected sanitizer to compile userland
programs as defined in USE_SANITIZER, which defaults to
"address". Available sanitizers are:
"address". A selection of available sanitizers:
address: A memory error detector (default)
thread: A data race detector
memory: An uninitializer read detector
undefined: An undefined behavior detector
leak: A memory leak detector
dataflow: A general data flow analysis
cfi: A control flow detector
safe-stack: Protect against stack-based corruption
Only "address" is currently available for gcc(1).
scudo: The Scudo Hardened allocator
It's possible to specify multiple sanitizers within the
USE_SANITIZER option (comma separated) and some combinations of
them work. The USE_SANITIZER value is passed to the -fsanitize=
argument to a compiler.
Additional arguments can be passed through SANITIZERFLAGS.
The list of supported features depends on the compiler version
and target CPU architecture.
MKSHARE If "no", act as "MKCATPAGES=no MKDOC=no MKHTML=no MKINFO=no
MKMAN=no MKNLS=no".