7bc797e3f3
This adds two new options WITH_ASAN/WITH_UBSAN that can be set to enable instrumentation of all binaries with AddressSanitizer and/or UndefinedBehaviourSanitizer. This current patch is almost sufficient to get a complete buildworld with sanitizer instrumentation but in order to actually build and boot a system it depends on a few more follow-up commits. Reviewed By: brooks, kib, markj Differential Revision: https://reviews.freebsd.org/D31043
48 lines
1.4 KiB
Makefile
48 lines
1.4 KiB
Makefile
# $FreeBSD$
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COMPILERRTDIR= ${SRCTOP}/contrib/llvm-project/compiler-rt
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UNWINDINCDIR= ${SRCTOP}/contrib/llvm-project/libunwind/include
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UNWINDSRCDIR= ${SRCTOP}/contrib/llvm-project/libunwind/src
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STATIC_CFLAGS+=${PICFLAG} -fvisibility=hidden -DVISIBILITY_HIDDEN
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.PATH: ${COMPILERRTDIR}/lib/builtins
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.PATH: ${UNWINDSRCDIR}
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SRCS_EXC+= gcc_personality_v0.c
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SRCS_EXC+= Unwind-EHABI.cpp
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SRCS_EXC+= Unwind-sjlj.c
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SRCS_EXC+= UnwindLevel1-gcc-ext.c
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SRCS_EXC+= UnwindLevel1.c
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SRCS_EXC+= UnwindRegistersRestore.S
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SRCS_EXC+= UnwindRegistersSave.S
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SRCS_EXC+= libunwind.cpp
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SRCS+= ${SRCS_EXC}
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.for file in ${SRCS_EXC:M*.c}
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CFLAGS.${file}+= -fno-exceptions -funwind-tables
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.if ${MK_ASAN} != "no"
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# False-positives during stack unwinding
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CFLAGS.${file}+= -fno-sanitize=address
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.endif
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.endfor
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.for file in ${SRCS_EXC:M*.cpp}
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CXXFLAGS.${file}+= -fno-exceptions -funwind-tables
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.if ${MK_ASAN} != "no"
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# False-positives during stack unwinding
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CXXFLAGS.${file}+= -fno-sanitize=address
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.endif
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.endfor
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CFLAGS+= -I${UNWINDINCDIR}
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CFLAGS+= -I${.CURDIR}
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CFLAGS+= -D_LIBUNWIND_IS_NATIVE_ONLY
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CFLAGS+= -D_LIBUNWIND_USE_FRAME_HEADER_CACHE
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CXXFLAGS+= -fno-rtti
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CXXSTD?= c++11
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STATIC_CXXFLAGS+= -fvisibility=hidden -fPIC
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# Probably need to just move this earlier or use CXXFLAGS
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.if ${MK_DIRDEPS_BUILD} == "yes"
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# Avoid dependency on lib/libc++
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CFLAGS+= -isystem ${SRCTOP}/contrib/llvm-project/libcxx/include -nostdinc++
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.endif
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