d4f5700625
CGo depends on syscall, which (in the standard library) depends on sync, which depends on the runtime. There are also other import cycles. To be able to use the syscall package from upstream, stop using CGo.
142 строки
3,4 КиБ
Makefile
142 строки
3,4 КиБ
Makefile
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# aliases
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all: tgo
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tgo: build/tgo
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.PHONY: all tgo run-hello run-blinky clean fmt gen-device gen-device-nrf
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# Custom LLVM toolchain.
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LLVM := $(shell go env GOPATH)/src/github.com/aykevl/llvm/bindings/go/llvm/workdir/llvm_build/bin/
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LINK = $(LLVM)llvm-link
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LLC = $(LLVM)llc
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LLAS = $(LLVM)llvm-as
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OPT = $(LLVM)opt
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CFLAGS = -Wall -Werror -Os -fno-exceptions -flto -ffunction-sections -fdata-sections $(LLFLAGS)
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CFLAGS += -fno-exceptions -fno-unwind-tables # Avoid .ARM.exidx etc.
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RUNTIME_PARTS = build/runtime.bc
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TARGET ?= unix
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ifeq ($(TARGET),unix)
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# Regular *nix system.
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GCC = gcc
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LD = clang
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SIZE = size
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else ifeq ($(TARGET),pca10040)
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# PCA10040: nRF52832 development board
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GCC = arm-none-eabi-gcc
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LD = arm-none-eabi-ld -T arm.ld --gc-sections
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SIZE = arm-none-eabi-size
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OBJCOPY = arm-none-eabi-objcopy
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LLFLAGS += -target armv7m-none-eabi
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TGOFLAGS += -target $(TARGET)
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CFLAGS += -I$(CURDIR)/src/runtime
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CFLAGS += -I$(CURDIR)/lib/nrfx
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CFLAGS += -I$(CURDIR)/lib/nrfx/mdk
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CFLAGS += -I$(CURDIR)/lib/CMSIS/CMSIS/Include
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CFLAGS += -DNRF52832_XXAA
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CFLAGS += -Wno-uninitialized
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RUNTIME_PARTS += build/runtime_nrf.bc
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RUNTIME_PARTS += build/nrfx_system_nrf52.bc
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OBJ += build/nrfx_startup_nrf51.o # TODO nrf52, see https://bugs.llvm.org/show_bug.cgi?id=31601
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else ifeq ($(TARGET),arduino)
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GCC = avr-gcc
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AS = avr-as -mmcu=atmega328p
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LD = avr-ld -T avr.ld --gc-sections
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SIZE = avr-size
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OBJCOPY = avr-objcopy
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LLFLAGS += -target avr8--
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TGOFLAGS += -target $(TARGET)
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OBJ += build/avr.o
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else
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$(error Unknown target)
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endif
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run-hello: build/hello
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./build/hello
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run-blinky: build/blinky
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./build/blinky
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ifeq ($(TARGET),pca10040)
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flash-%: build/%.hex
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nrfjprog -f nrf52 --sectorerase --program $< --reset
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else ifeq ($(TARGET),arduino)
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flash-%: build/%.hex
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avrdude -c arduino -p atmega328p -P /dev/ttyACM0 -U flash:w:$<
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endif
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clean:
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@rm -rf build
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fmt:
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@go fmt . ./src/examples/hello
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@go fmt ./src/runtime/*.go
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gen-device: gen-device-nrf
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gen-device-nrf:
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./gen-device.py lib/nrfx/mdk/ src/device/nrf/
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go fmt ./src/device/nrf
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# Build the Go compiler.
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build/tgo: *.go
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@mkdir -p build
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go build -o build/tgo -i .
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# Build IR with the Go compiler.
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build/%.bc: src/examples/% src/examples/%/*.go build/tgo src/runtime/*.go build/runtime-$(TARGET)-combined.bc
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./build/tgo $(TGOFLAGS) -runtime build/runtime-$(TARGET)-combined.bc -o $@ $(subst src/,,$<)
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# Compile and optimize bitcode file.
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build/%.o: build/%.bc
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$(OPT) -Oz -enable-coroutines -o $< $<
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$(LLC) -filetype=obj -o $@ $<
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# Compile C sources for the runtime.
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build/%.bc: src/runtime/%.c src/runtime/*.h
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@mkdir -p build
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clang $(CFLAGS) -c -o $@ $<
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# Compile LLVM bitcode from LLVM source.
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build/%.bc: src/runtime/%.ll
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$(LLAS) -o $@ $<
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# Compile system_* file for the nRF.
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build/nrfx_%.bc: lib/nrfx/mdk/%.c
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@mkdir -p build
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clang $(CFLAGS) -c -o $@ $^
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# Compile startup_* file for the nRF.
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build/nrfx_%.o: lib/nrfx/mdk/gcc_%.S
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@mkdir -p build
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clang $(CFLAGS) -D__STARTUP_CLEAR_BSS -c -o $@ $^
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build/%.o: %.S
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$(AS) -o $@ $^
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# Merge all runtime LLVM files together in a single bitcode file.
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build/runtime-$(TARGET)-combined.bc: $(RUNTIME_PARTS)
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$(LINK) -o $@ $^
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# Generate output ELF executable.
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build/%: build/%.o $(OBJ)
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$(LD) -o $@ $^
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# Generate output ELF for use in objcopy (on a microcontroller).
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build/%.elf: build/%.o $(OBJ)
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$(LD) -o $@ $^
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$(SIZE) $@
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# Convert executable to Intel hex file (for flashing).
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build/%.hex: build/%.elf
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$(OBJCOPY) -O ihex $^ $@
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