/
env.mk
188 lines (165 loc) · 5.27 KB
/
env.mk
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# Setup for egalito compilation environment
# Compute the root directory of the repo, containing env.mk.
EGALITO_ROOT_DIR := $(shell dirname $(realpath $(lastword $(MAKEFILE_LIST))))
# Optional settings:
# USE_KEYSTONE=1
# USE_LOADER=1
# VERBOSE=1
# PROFILE=1
# STACK_PROTECTOR=1
# To cross-compile, set e.g. CROSS=aarch64-linux-gnu-
# for loader support, also set RTLD_TARGET to an appropriate simulator for
# running binaries (e.g. qemu-user-*).
# To cross-analyze, set CROSS as before and
# also CROSS_ANALYZE=1 (the loader is not supported in this config)
ifneq ($(CROSS),)
ifeq ($(CROSS_ANALYZE),1)
USE_LOADER=0
endif
endif
ifeq ($(USE_LOADER),)
USE_LOADER=1
endif
ifeq ($(USE_LOADER),1)
ifneq ($(CROSS),)
ifneq ($(RTLD_TARGET),)
RTLD_EXEC = $(RTLD_TARGET)
else
$(error Specify command to execute target rtld for current arch)
endif
endif
endif
ifneq ($(CROSS_ANALYZE),1)
CC = $(EGALITO_CCACHE) $(CROSS)gcc
CXX = $(EGALITO_CCACHE) $(CROSS)g++
else
CC = $(EGALITO_CCACHE) gcc
CXX = $(EGALITO_CCACHE) g++
endif
TARGET_CC = $(EGALITO_CCACHE) $(CROSS)gcc
TARGET_CXX = $(EGALITO_CCACHE) $(CROSS)g++
AS = $(CC)
LINK = $(CXX)
AR = ar
GENERIC_FLAGS = -Wall -Wextra -Wno-unused-parameter -I.
ifneq ($(CROSS),)
ifneq ($(CAPSTONE_INC),)
GENERIC_FLAGS += -isystem $(CAPSTONE_INC)
endif
ifneq ($(CAPSTONE_LIB),)
CROSSLD = -L $(CAPSTONE_LIB)
endif
endif
CAPSTONE_DIR = $(EGALITO_ROOT_DIR)/dep/capstone/install
GENERIC_FLAGS += -I $(CAPSTONE_DIR)/include
ifeq ($(USE_KEYSTONE),1)
KEYSTONE_DIR = $(EGALITO_ROOT_DIR)/dep/keystone
GENERIC_FLAGS += -I $(KEYSTONE_DIR)/include
endif
ifeq ($(USE_LOADER),1)
GENERIC_FLAGS += -DUSE_LOADER
endif
OPT_FLAGS = -g3 -Og
DEPFLAGS = -MT '$@ $(@:.o=.so) $(@:.o=.d)' -MMD -MF $(@:.o=.d) -MP
CFLAGS = -std=gnu99 $(GENERIC_FLAGS) $(OPT_FLAGS)
CXXFLAGS = -std=c++14 $(GENERIC_FLAGS) $(OPT_FLAGS)
CLDFLAGS = $(CROSSLD)
CLDFLAGS += -L $(CAPSTONE_DIR)/lib -lcapstone \
-Wl,-rpath,$(abspath $(CAPSTONE_DIR)/lib)
ifdef USE_KEYSTONE # set USE_KEYSTONE=1 to link with str->instr assembler
CLDFLAGS += -L $(KEYSTONE_DIR)/build/llvm/lib -lkeystone \
-Wl,-rpath,$(abspath $(KEYSTONE_DIR)/build/llvm/lib)
CFLAGS += -D USE_KEYSTONE
CXXFLAGS += -D USE_KEYSTONE
endif
ifdef PROFILE # set PROFILE=1 to enable gprof profiling
CFLAGS += -no-pie -pg
CXXFLAGS += -no-pie -pg
CLDFLAGS += -no-pie -pg
endif
ifdef STACK_PROTECTOR # set STACK_PROTECTOR=1 to enable -fstack-protector flag
CFLAGS += -fstack-protector-all -D EGALITO_STACK_PROTECTOR
CXXFLAGS += -fstack-protector-all -D EGALITO_STACK_PROTECTOR
else
CFLAGS += -fno-stack-protector
CXXFLAGS += -fno-stack-protector
endif
ifneq ($(CROSS_ANALYZE),)
P_ARCH := $(strip $(shell echo $(CROSS) | awk -F- '{print $$1}'))
else
P_ARCH := $(shell uname -m)
ifeq (armv7l,$(P_ARCH))
P_ARCH = arm
endif
DISTRO = $(word 3,$(shell lsb_release -i))
endif
export P_ARCH
$(if $(VERBOSE),$(info Building for $(P_ARCH)))
ifeq (aarch64,$(P_ARCH))
CFLAGS += -DARCH_AARCH64
CXXFLAGS += -DARCH_AARCH64
AFLAGS += -DARCH_AARCH64
BUILDDIR = build_aarch64/
else ifeq (x86_64,$(P_ARCH))
CFLAGS += -DARCH_X86_64
CXXFLAGS += -DARCH_X86_64
AFLAGS += -DARCH_X86_64
BUILDDIR = build_x86_64/
else ifeq (arm,$(P_ARCH))
CFLAGS += -DARCH_ARM
CXXFLAGS += -DARCH_ARM
AFLAGS += -DARCH_ARM
BUILDDIR = build_arm/
else ifeq (riscv64,$(P_ARCH))
CFLAGS += -DARCH_RISCV
CXXFLAGS += -DARCH_RISCV
AFLAGS += -DARCH_RISCV
BUILDDIR = build_riscv/
else
$(error "Unsupported platform $(P_ARCH), we only handle arm, aarch64, riscv, and x86_64")
endif
GLIBCDIR = $(dirname $(shell $(CC) --print-file-name=libc.so))
CRTI = $(shell $(CC) --print-file-name=crti.o)
CRTBEGIN = $(shell $(CC) --print-file-name=crtbegin.o)
CRTEND = $(shell $(CC) --print-file-name=crtend.o)
CRTN = $(shell $(CC) --print-file-name=crtn.o)
# We do not include crt1.o in STARTFILES because we specify our own _start.
STARTFILES = $(CRTI) $(CRTBEGIN)
ENDFILES = $(CRTEND) $(CRTN)
ifeq ($(VERBOSE),)
SHORT_AS = @echo "AS $<"; $(AS)
SHORT_CC = @echo "CC $<"; $(CC)
SHORT_CXX = @echo "CXX $<"; $(CXX)
SHORT_LINK = @echo "LINK $@"; $(LINK)
SHORT_AR = @echo "AR $@"; $(AR)
else
SHORT_AS = $(AS)
SHORT_CC = $(CC)
SHORT_CXX = $(CXX)
SHORT_LINK = $(LINK)
SHORT_AR = $(AR)
endif
ifneq ($(MAKEVERBOSE),)
MAKE += --no-print-directory
short-make = @+echo '>>>' MAKE -C ${1} ${2} ;\
$(MAKE) -C ${1} ${2} && echo '<<<' MAKE -C ${1} ${2}
else
short-make = +$(MAKE) -C ${1} ${2}
endif
# Rules
$(BUILDDIR)%.o: %.s
$(SHORT_AS) -fPIC -c $< -o $@
$(BUILDDIR)%.o: %.S
$(SHORT_AS) -fPIC $(AFLAGS) $(DEPFLAGS) -c $< -o $@
$(BUILDDIR)%.o: %.c
$(SHORT_CC) $(CFLAGS) $(DEPFLAGS) -DDEBUG_GROUP=$(shell echo $< | perl -ne 'm|^(\w+)/|g;print lc($$1)') -c -o $@ $<
$(BUILDDIR)%.o: %.cpp
$(SHORT_CXX) $(CXXFLAGS) $(DEPFLAGS) -DDEBUG_GROUP=$(shell echo $< | perl -ne 'm|^(\w+)/|g;print lc($$1)') -c -o $@ $<
$(BUILDDIR)%.so: %.s
$(SHORT_AS) -fPIC -c $< -o $@
$(BUILDDIR)%.so: %.S
$(SHORT_AS) -fPIC $(AFLAGS) $(DEPFLAGS) -c -o $@ $<
$(BUILDDIR)%.so: %.c
$(SHORT_CC) -fPIC $(CFLAGS) -DDEBUG_GROUP=$(shell echo $< | perl -ne 'm|^(\w+)/|g;print lc($$1)') -c -o $@ $<
$(BUILDDIR)%.so: %.cpp
$(SHORT_CXX) -fPIC $(CXXFLAGS) -DDEBUG_GROUP=$(shell echo $< | perl -ne 'm|^(\w+)/|g;print lc($$1)') -c -o $@ $<