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Connect libclang_rt to the build, for specific architectures. This
contains the libraries for Address Sanitizer (asan), Undefined Behavior
Sanitizer (ubsan) and Profile Guided Optimization.
ASan is a fast memory error detector. It can detect the following types
of bugs:
Out-of-bounds accesses to heap, stack and globals
Use-after-free
Use-after-return (to some extent)
Double-free, invalid free
Memory leaks (experimental)
Typical slowdown introduced by AddressSanitizer is 2x.
UBSan is a fast and compatible undefined behavior checker. It enables a
number of undefined behavior checks that have small runtime cost and no
impact on address space layout or ABI.
PLEASE NOTE: the sanitizers still have some rough edges on FreeBSD,
particularly on i386. These will hopefully be smoothed out in the
coming time.
Differential Revision: https://reviews.freebsd.org/D1505
This commit is contained in:
Dimitry Andric
parent
6b30e6ae6c
commit
8028b78dbf
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=277146
@ -24,6 +24,14 @@
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games
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games
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..
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..
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lib
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lib
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clang
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3.5.0
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lib
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freebsd
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..
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..
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..
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..
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engines
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engines
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..
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..
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i18n
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i18n
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@ -14,6 +14,14 @@
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lib
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lib
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aout
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aout
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..
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..
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clang
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3.5.0
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lib
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freebsd
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..
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..
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..
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..
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compat
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compat
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aout
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aout
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..
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..
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10
lib/Makefile
10
lib/Makefile
@ -13,6 +13,7 @@ SUBDIR_ORDERED= ${_csu} \
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libc \
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libc \
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libc_nonshared \
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libc_nonshared \
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libcompiler_rt \
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libcompiler_rt \
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${_libclang_rt} \
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${_libcplusplus} \
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${_libcplusplus} \
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${_libcxxrt} \
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${_libcxxrt} \
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libelf \
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libelf \
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@ -211,6 +212,15 @@ _libcom_err= libcom_err
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_libldns= libldns
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_libldns= libldns
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.endif
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.endif
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# The libraries under libclang_rt can only be built by clang, and only make
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# sense to build when clang is enabled at all. Furthermore, they can only be
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# built for certain architectures.
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.if ${MK_CLANG} != "no" && ${COMPILER_TYPE} == "clang" && \
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(${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" || \
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(${MACHINE_CPUARCH} == "arm" && ${MACHINE_ARCH} != "armeb"))
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_libclang_rt= libclang_rt
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.endif
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.if ${MK_LIBCPLUSPLUS} != "no"
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.if ${MK_LIBCPLUSPLUS} != "no"
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_libcxxrt= libcxxrt
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_libcxxrt= libcxxrt
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_libcplusplus= libc++
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_libcplusplus= libc++
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@ -1,10 +1,18 @@
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# $FreeBSD$
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# $FreeBSD$
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SUBDIR= asan\
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.include <src.opts.mk>
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asan_cxx\
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profile\
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
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san\
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SUBDIR+= asan\
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ubsan\
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asan_cxx\
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ubsan_cxx
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san\
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ubsan\
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ubsan_cxx
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.endif
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.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64" || \
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(${MACHINE_CPUARCH} == "arm" && ${MACHINE_ARCH} != "armeb")
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SUBDIR+= profile
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.endif
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.include <bsd.subdir.mk>
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.include <bsd.subdir.mk>
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@ -527,6 +527,23 @@ OLD_FILES+=usr/include/clang/3.5.0/xmmintrin.h
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OLD_FILES+=usr/include/clang/3.5.0/xopintrin.h
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OLD_FILES+=usr/include/clang/3.5.0/xopintrin.h
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OLD_DIRS+=usr/include/clang/3.5.0
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OLD_DIRS+=usr/include/clang/3.5.0
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OLD_DIRS+=usr/include/clang
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OLD_DIRS+=usr/include/clang
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.asan-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.asan-x86_64.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.asan_cxx-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.asan_cxx-x86_64.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.profile-arm.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.profile-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.profile-x86_64.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.san-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.san-x86_64.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.ubsan-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.ubsan-x86_64.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.ubsan_cxx-i386.a
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OLD_FILES+=usr/lib/clang/3.5.0/lib/freebsd/libclang_rt.ubsan_cxx-x86_64.a
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OLD_DIRS+=usr/lib/clang/3.5.0/lib/freebsd
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OLD_DIRS+=usr/lib/clang/3.5.0/lib
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OLD_DIRS+=usr/lib/clang/3.5.0
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OLD_DIRS+=usr/lib/clang
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OLD_FILES+=usr/share/doc/llvm/clang/LICENSE.TXT
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OLD_FILES+=usr/share/doc/llvm/clang/LICENSE.TXT
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OLD_DIRS+=usr/share/doc/llvm/clang
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OLD_DIRS+=usr/share/doc/llvm/clang
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OLD_FILES+=usr/share/doc/llvm/COPYRIGHT.regex
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OLD_FILES+=usr/share/doc/llvm/COPYRIGHT.regex
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