hardened_malloc/Makefile

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Makefile
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CONFIG_NATIVE := true
CONFIG_CXX_ALLOCATOR := true
CONFIG_UBSAN := false
CONFIG_SEAL_METADATA := false
CONFIG_WRITE_AFTER_FREE_CHECK := true
CONFIG_SLOT_RANDOMIZE := true
CONFIG_ZERO_ON_FREE := true
CONFIG_SLAB_CANARY := true
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CONFIG_SLAB_QUARANTINE_RANDOM_SIZE := 0
CONFIG_SLAB_QUARANTINE_QUEUE_SIZE := 0
CONFIG_GUARD_SLABS_INTERVAL := 1
CONFIG_GUARD_SIZE_DIVISOR := 2
CONFIG_REGION_QUARANTINE_RANDOM_SIZE := 128
CONFIG_REGION_QUARANTINE_QUEUE_SIZE := 1024
CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD := 33554432
CONFIG_FREE_SLABS_QUARANTINE_RANDOM_SIZE := 32
define safe_flag
$(shell $(CC) -E $1 - </dev/null >/dev/null 2>&1 && echo $1)
endef
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CPPFLAGS := -D_GNU_SOURCE
SHARED_FLAGS := -O3 -flto -fPIC -fvisibility=hidden -fno-plt -pipe -Wall -Wextra $(call safe_flag,-Wcast-align=strict) -Wcast-qual -Wwrite-strings
ifeq ($(CONFIG_NATIVE),true)
SHARED_FLAGS += -march=native
endif
CFLAGS := -std=c11 $(SHARED_FLAGS) -Wmissing-prototypes
CXXFLAGS := -std=c++14 $(SHARED_FLAGS)
LDFLAGS := -Wl,--as-needed,-z,defs,-z,relro,-z,now,-z,nodlopen,-z,text
TIDY_CHECKS := -checks=bugprone-*,-bugprone-macro-parentheses,cert-*,clang-analyzer-*,readability-*,-readability-inconsistent-declaration-parameter-name,-readability-named-parameter
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SOURCES := chacha.c malloc.c memory.c pages.c random.c util.c
OBJECTS := $(SOURCES:.c=.o)
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ifeq ($(CONFIG_CXX_ALLOCATOR),true)
LDLIBS += -lstdc++
SOURCES += new.cc
OBJECTS += new.o
endif
ifeq ($(CONFIG_UBSAN),true)
CFLAGS += -fsanitize=undefined
CXXFLAGS += -fsanitize=undefined
endif
ifeq ($(CONFIG_SEAL_METADATA),true)
CPPFLAGS += -DCONFIG_SEAL_METADATA
endif
ifeq (,$(filter $(CONFIG_ZERO_ON_FREE),true false))
$(error CONFIG_ZERO_ON_FREE must be true or false)
endif
ifeq (,$(filter $(CONFIG_WRITE_AFTER_FREE_CHECK),true false))
$(error CONFIG_WRITE_AFTER_FREE_CHECK must be true or false)
endif
ifeq (,$(filter $(CONFIG_SLOT_RANDOMIZE),true false))
$(error CONFIG_SLOT_RANDOMIZE must be true or false)
endif
ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false))
$(error CONFIG_SLAB_CANARY must be true or false)
endif
CPPFLAGS += \
-DZERO_ON_FREE=$(CONFIG_ZERO_ON_FREE) \
-DWRITE_AFTER_FREE_CHECK=$(CONFIG_WRITE_AFTER_FREE_CHECK) \
-DSLOT_RANDOMIZE=$(CONFIG_SLOT_RANDOMIZE) \
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-DSLAB_CANARY=$(CONFIG_SLAB_CANARY) \
-DSLAB_QUARANTINE_RANDOM_SIZE=$(CONFIG_SLAB_QUARANTINE_RANDOM_SIZE) \
-DSLAB_QUARANTINE_QUEUE_SIZE=$(CONFIG_SLAB_QUARANTINE_QUEUE_SIZE) \
-DGUARD_SLABS_INTERVAL=$(CONFIG_GUARD_SLABS_INTERVAL) \
-DGUARD_SIZE_DIVISOR=$(CONFIG_GUARD_SIZE_DIVISOR) \
-DREGION_QUARANTINE_RANDOM_SIZE=$(CONFIG_REGION_QUARANTINE_RANDOM_SIZE) \
-DREGION_QUARANTINE_QUEUE_SIZE=$(CONFIG_REGION_QUARANTINE_QUEUE_SIZE) \
-DREGION_QUARANTINE_SKIP_THRESHOLD=$(CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD) \
-DFREE_SLABS_QUARANTINE_RANDOM_SIZE=$(CONFIG_FREE_SLABS_QUARANTINE_RANDOM_SIZE)
libhardened_malloc.so: $(OBJECTS)
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$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@
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chacha.o: chacha.c chacha.h util.h
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malloc.o: malloc.c malloc.h mutex.h memory.h pages.h random.h util.h
memory.o: memory.c memory.h util.h
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new.o: new.cc malloc.h util.h
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pages.o: pages.c pages.h memory.h util.h
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random.o: random.c random.h chacha.h util.h
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util.o: util.c util.h
tidy:
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clang-tidy $(TIDY_CHECKS) $(SOURCES) -- $(CPPFLAGS)
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clean:
rm -f libhardened_malloc.so $(OBJECTS)
.PHONY: clean tidy