mirror of
https://github.com/GrapheneOS/hardened_malloc.git
synced 2025-10-25 22:56:33 +02:00
148 lines
4.9 KiB
Makefile
148 lines
4.9 KiB
Makefile
VARIANT := default
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ifneq ($(VARIANT),)
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CONFIG_FILE := config/$(VARIANT).mk
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include config/$(VARIANT).mk
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endif
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ifeq ($(VARIANT),default)
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SUFFIX :=
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else
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SUFFIX := -$(VARIANT)
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endif
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OUT := out$(SUFFIX)
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define safe_flag
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$(shell $(CC) $(if $(filter clang%,$(CC)),-Werror=unknown-warning-option) -E $1 - </dev/null >/dev/null 2>&1 && echo $1 || echo $2)
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endef
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CPPFLAGS := $(CPPFLAGS) -D_GNU_SOURCE -I include
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SHARED_FLAGS := -pipe -O3 -flto -fPIC -fvisibility=hidden -fno-plt \
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-fstack-clash-protection $(call safe_flag,-fcf-protection) -fstack-protector-strong \
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-Wall -Wextra $(call safe_flag,-Wcast-align=strict,-Wcast-align) -Wcast-qual -Wwrite-strings \
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-Wundef
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ifeq ($(CONFIG_WERROR),true)
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SHARED_FLAGS += -Werror
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endif
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ifeq ($(CONFIG_NATIVE),true)
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SHARED_FLAGS += -march=native
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endif
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ifeq ($(CONFIG_UBSAN),true)
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SHARED_FLAGS += -fsanitize=undefined -fno-sanitize-recover=undefined
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endif
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CFLAGS := $(CFLAGS) -std=c17 $(SHARED_FLAGS) -Wmissing-prototypes -Wstrict-prototypes
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CXXFLAGS := $(CXXFLAGS) -std=c++17 -fsized-deallocation $(SHARED_FLAGS)
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LDFLAGS := $(LDFLAGS) -Wl,-O1,--as-needed,-z,defs,-z,relro,-z,now,-z,nodlopen,-z,text
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SOURCES := chacha.c h_malloc.c memory.c pages.c random.c util.c
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OBJECTS := $(SOURCES:.c=.o)
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ifeq ($(CONFIG_CXX_ALLOCATOR),true)
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# make sure LTO is compatible in case CC and CXX don't match (such as clang and g++)
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CXX := $(CC)
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LDLIBS += -lstdc++
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SOURCES += new.cc
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OBJECTS += new.o
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endif
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OBJECTS := $(addprefix $(OUT)/,$(OBJECTS))
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ifeq (,$(filter $(CONFIG_SEAL_METADATA),true false))
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$(error CONFIG_SEAL_METADATA must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_ZERO_ON_FREE),true false))
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$(error CONFIG_ZERO_ON_FREE must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_WRITE_AFTER_FREE_CHECK),true false))
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$(error CONFIG_WRITE_AFTER_FREE_CHECK must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_SLOT_RANDOMIZE),true false))
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$(error CONFIG_SLOT_RANDOMIZE must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_SLAB_CANARY),true false))
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$(error CONFIG_SLAB_CANARY must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_EXTENDED_SIZE_CLASSES),true false))
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$(error CONFIG_EXTENDED_SIZE_CLASSES must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_LARGE_SIZE_CLASSES),true false))
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$(error CONFIG_LARGE_SIZE_CLASSES must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_STATS),true false))
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$(error CONFIG_STATS must be true or false)
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endif
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ifeq (,$(filter $(CONFIG_SELF_INIT),true false))
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$(error CONFIG_SELF_INIT must be true or false)
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endif
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CPPFLAGS += \
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-DCONFIG_SEAL_METADATA=$(CONFIG_SEAL_METADATA) \
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-DZERO_ON_FREE=$(CONFIG_ZERO_ON_FREE) \
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-DWRITE_AFTER_FREE_CHECK=$(CONFIG_WRITE_AFTER_FREE_CHECK) \
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-DSLOT_RANDOMIZE=$(CONFIG_SLOT_RANDOMIZE) \
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-DSLAB_CANARY=$(CONFIG_SLAB_CANARY) \
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-DSLAB_QUARANTINE_RANDOM_LENGTH=$(CONFIG_SLAB_QUARANTINE_RANDOM_LENGTH) \
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-DSLAB_QUARANTINE_QUEUE_LENGTH=$(CONFIG_SLAB_QUARANTINE_QUEUE_LENGTH) \
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-DCONFIG_EXTENDED_SIZE_CLASSES=$(CONFIG_EXTENDED_SIZE_CLASSES) \
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-DCONFIG_LARGE_SIZE_CLASSES=$(CONFIG_LARGE_SIZE_CLASSES) \
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-DGUARD_SLABS_INTERVAL=$(CONFIG_GUARD_SLABS_INTERVAL) \
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-DGUARD_SIZE_DIVISOR=$(CONFIG_GUARD_SIZE_DIVISOR) \
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-DREGION_QUARANTINE_RANDOM_LENGTH=$(CONFIG_REGION_QUARANTINE_RANDOM_LENGTH) \
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-DREGION_QUARANTINE_QUEUE_LENGTH=$(CONFIG_REGION_QUARANTINE_QUEUE_LENGTH) \
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-DREGION_QUARANTINE_SKIP_THRESHOLD=$(CONFIG_REGION_QUARANTINE_SKIP_THRESHOLD) \
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-DFREE_SLABS_QUARANTINE_RANDOM_LENGTH=$(CONFIG_FREE_SLABS_QUARANTINE_RANDOM_LENGTH) \
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-DCONFIG_CLASS_REGION_SIZE=$(CONFIG_CLASS_REGION_SIZE) \
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-DN_ARENA=$(CONFIG_N_ARENA) \
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-DCONFIG_STATS=$(CONFIG_STATS) \
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-DCONFIG_SELF_INIT=$(CONFIG_SELF_INIT)
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$(OUT)/libhardened_malloc$(SUFFIX).so: $(OBJECTS) | $(OUT)
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$(CC) $(CFLAGS) $(LDFLAGS) -shared $^ $(LDLIBS) -o $@
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$(OUT):
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mkdir -p $(OUT)
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$(OUT)/chacha.o: chacha.c chacha.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(OUT)/h_malloc.o: h_malloc.c include/h_malloc.h mutex.h memory.h pages.h random.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(OUT)/memory.o: memory.c memory.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(OUT)/new.o: new.cc include/h_malloc.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.cc) $(OUTPUT_OPTION) $<
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$(OUT)/pages.o: pages.c pages.h memory.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(OUT)/random.o: random.c random.h chacha.h util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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$(OUT)/util.o: util.c util.h $(CONFIG_FILE) | $(OUT)
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$(COMPILE.c) $(OUTPUT_OPTION) $<
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check: tidy
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tidy:
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clang-tidy --extra-arg=-std=c17 $(filter %.c,$(SOURCES)) -- $(CPPFLAGS)
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clang-tidy --extra-arg=-std=c++17 $(filter %.cc,$(SOURCES)) -- $(CPPFLAGS)
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clean:
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rm -f $(OUT)/libhardened_malloc.so $(OBJECTS)
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$(MAKE) -C test/ clean
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test: $(OUT)/libhardened_malloc$(SUFFIX).so
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$(MAKE) -C test/
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python3 -m unittest discover --start-directory test/
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.PHONY: check clean tidy test
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