7146b7cd46
Virtually nothing uses libunwind, and no one should start using it, so
it's unlikely to be critical.
(Code should use libunwindstack.so to collect backtraces, and it should
use libc.so's _Unwind_* APIs for C++ exception handling unwinding.)
Test: build Android
Change-Id: I81882a4634ff4d397abe8a7cf5ff15a22a3eed2f
Merged-In: I81882a4634ff4d397abe8a7cf5ff15a22a3eed2f
(cherry picked from commit 9355aeba79)
96 lines
3.5 KiB
Makefile
96 lines
3.5 KiB
Makefile
# -----------------------------------------------------------------
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# Make target for line coverage. This target generates a zip file
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# called `line_coverage_profiles.zip` that contains a large set of
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# zip files one for each fuzz target/critical component. Each zip
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# file contains a set of profile files (*.gcno) that we will use
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# to generate line coverage reports. Furthermore, target compiles
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# all fuzz targets with line coverage instrumentation enabled and
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# packs them into another zip file called `line_coverage_profiles.zip`.
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#
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# To run the make target set the coverage related envvars first:
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# NATIVE_LINE_COVERAGE=true NATIVE_COVERAGE=true \
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# COVERAGE_PATHS=* make haiku-line-coverage
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# -----------------------------------------------------------------
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# TODO(b/148306195): Due this issue some fuzz targets cannot be built with
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# line coverage instrumentation. For now we just blacklist them.
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blacklisted_fuzz_targets := libneuralnetworks_fuzzer
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fuzz_targets := $(ALL_FUZZ_TARGETS)
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fuzz_targets := $(filter-out $(blacklisted_fuzz_targets),$(fuzz_targets))
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# Android components that considered critical.
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# Please note that adding/Removing critical components is very rare.
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critical_components_static := \
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lib-bt-packets \
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libbt-stack \
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libffi \
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libhevcdec \
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libhevcenc \
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libmpeg2dec \
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libosi \
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libpdx \
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libselinux \
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libvold \
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libyuv
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# Format is <module_name> or <module_name>:<apex_name>
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critical_components_shared := \
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libaudioprocessing \
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libbinder \
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libbluetooth_gd \
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libbrillo \
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libcameraservice \
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libcurl \
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libhardware \
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libinputflinger \
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libopus \
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libstagefright \
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libvixl:com.android.art.debug
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# Use the intermediates directory to avoid installing libraries to the device.
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intermediates := $(call intermediates-dir-for,PACKAGING,haiku-line-coverage)
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# We want the profile files for all fuzz targets + critical components.
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line_coverage_profiles := $(intermediates)/line_coverage_profiles.zip
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critical_components_static_inputs := $(foreach lib,$(critical_components_static), \
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$(call intermediates-dir-for,STATIC_LIBRARIES,$(lib))/$(lib).a)
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critical_components_shared_inputs := $(foreach lib,$(critical_components_shared), \
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$(eval filename := $(call word-colon,1,$(lib))) \
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$(eval modulename := $(subst :,.,$(lib))) \
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$(call intermediates-dir-for,SHARED_LIBRARIES,$(modulename))/$(filename).so)
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fuzz_target_inputs := $(foreach fuzz,$(fuzz_targets), \
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$(call intermediates-dir-for,EXECUTABLES,$(fuzz))/$(fuzz))
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# When line coverage is enabled (NATIVE_LINE_COVERAGE is set), make creates
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# a "coverage" directory and stores all profile (*.gcno) files in inside.
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# We need everything that is stored inside this directory.
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$(line_coverage_profiles): $(fuzz_target_inputs)
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$(line_coverage_profiles): $(critical_components_static_inputs)
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$(line_coverage_profiles): $(critical_components_shared_inputs)
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$(line_coverage_profiles): $(SOONG_ZIP)
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$(SOONG_ZIP) -o $@ -D $(PRODUCT_OUT)/coverage
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# Zip all fuzz targets compiled with line coverage.
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line_coverage_fuzz_targets := $(intermediates)/line_coverage_fuzz_targets.zip
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$(line_coverage_fuzz_targets): $(fuzz_target_inputs)
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$(line_coverage_fuzz_targets): $(SOONG_ZIP)
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$(SOONG_ZIP) -o $@ -j $(addprefix -f ,$(fuzz_target_inputs))
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.PHONY: haiku-line-coverage
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haiku-line-coverage: $(line_coverage_profiles) $(line_coverage_fuzz_targets)
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$(call dist-for-goals, haiku-line-coverage, \
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$(line_coverage_profiles):line_coverage_profiles.zip \
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$(line_coverage_fuzz_targets):line_coverage_fuzz_targets.zip)
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line_coverage_profiles :=
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line_coverage_fuzz_targets :=
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