1# TARGET?=$(shell rustc -Z unstable-options --print target-spec-json | grep llvm-target | cut -d '"' -f4) 2TARGET=x86_64-unknown-dragonos 3 4CARGO?=cargo 5CARGO_TEST?=$(CARGO) 6CARGO_COMMON_FLAGS=-Z build-std=core,alloc,compiler_builtins 7CARGOFLAGS?=$(CARGO_COMMON_FLAGS) 8RUSTCFLAGS?= 9export OBJCOPY?=objcopy 10 11BUILD="target/$(TARGET)" 12CARGOFLAGS+="--target=$(TARGET)" 13 14ifeq ($(TARGET),aarch64-unknown-linux-gnu) 15 export CC=aarch64-linux-gnu-gcc 16 export LD=aarch64-linux-gnu-ld 17 export AR=aarch64-linux-gnu-ar 18 export OBJCOPY=aarch64-linux-gnu-objcopy 19endif 20 21ifeq ($(TARGET),aarch64-unknown-redox) 22 export CC=aarch64-unknown-redox-gcc 23 export LD=aarch64-unknown-redox-ld 24 export AR=aarch64-unknown-redox-ar 25 export OBJCOPY=aarch64-unknown-redox-objcopy 26endif 27 28ifeq ($(TARGET),x86_64-unknown-linux-gnu) 29 export CC=x86_64-linux-gnu-gcc 30 export LD=x86_64-linux-gnu-ld 31 export AR=x86_64-linux-gnu-ar 32 export OBJCOPY=x86_64-linux-gnu-objcopy 33endif 34 35ifeq ($(TARGET),i686-unknown-redox) 36 export CC=i686-unknown-redox-gcc 37 export LD=i686-unknown-redox-ld 38 export AR=i686-unknown-redox-ar 39 export OBJCOPY=i686-unknown-redox-objcopy 40endif 41 42ifeq ($(TARGET),x86_64-unknown-redox) 43 export CC=x86_64-unknown-redox-gcc 44 export LD=x86_64-unknown-redox-ld 45 export AR=x86_64-unknown-redox-ar 46 export OBJCOPY=x86_64-unknown-redox-objcopy 47endif 48 49ifeq ($(TARGET),x86_64-unknown-dragonos) 50# 如果存在x86_64-dragonos-gcc，就用它，否则用gcc 51 52ifeq ($(shell which x86_64-dragonos-gcc),) 53 export CC=gcc 54# export LD=ld 55 export LD=ld 56 export AR=ar 57# export AR=x86_64-dragonos-ar 58 export OBJCOPY=objcopy 59# export OBJCOPY=x86_64-dragonos-objcopy 60else 61 export CC=x86_64-dragonos-gcc 62 export LD=x86_64-dragonos-ld 63 export AR=x86_64-dragonos-ar 64 export OBJCOPY=x86_64-dragonos-objcopy 65endif 66endif 67 68SRC=\ 69 Cargo.* \ 70 $(shell find src -type f) 71 72BUILTINS_VERSION=0.1.70 73 74.PHONY: all clean fmt install install-headers libs submodules test 75 76all: | libs 77 78clean: 79 $(CARGO) clean 80 $(MAKE) -C tests clean 81 rm -rf sysroot 82 83check: 84 $(CARGO) check 85 86fmt: 87 ./fmt.sh 88 89install-headers: libs 90 mkdir -pv "$(DESTDIR)/include" 91 cp -rv "include"/* "$(DESTDIR)/include" 92 cp -rv "target/include"/* "$(DESTDIR)/include" 93 cp -v "openlibm/include"/*.h "$(DESTDIR)/include" 94 cp -v "openlibm/src"/*.h "$(DESTDIR)/include" 95 cp -v "pthreads-emb/"*.h "$(DESTDIR)/include" 96 97# $(BUILD)/release/libc.so 98libs: 99 @cargo -Z build-std=core,alloc,compiler_builtins build --target x86_64-unknown-dragonos 100#$(BUILD)/release/ld_so 101 102install-libs: libs 103 mkdir -pv "$(DESTDIR)/lib" 104 cp -v "$(BUILD)/release/libc.a" "$(DESTDIR)/lib" 105# cp -v "$(BUILD)/release/libc.so" "$(DESTDIR)/lib" 106# ln -frsv "$(DESTDIR)/lib/libc.so" "$(DESTDIR)/lib/libc.so.6" 107 cp -v "$(BUILD)/release/crt0.o" "$(DESTDIR)/lib" 108 ln -frsv "$(DESTDIR)/lib/crt0.o" "$(DESTDIR)/lib/crt1.o" 109 cp -v "$(BUILD)/release/crti.o" "$(DESTDIR)/lib" 110 cp -v "$(BUILD)/release/crtn.o" "$(DESTDIR)/lib" 111# cp -v "$(BUILD)/release/ld_so" "$(DESTDIR)/lib/ld64.so.1" 112 cp -v "$(BUILD)/openlibm/libopenlibm.a" "$(DESTDIR)/lib/libm.a" 113 cp -v "$(BUILD)/pthreads-emb/libpthread.a" "$(DESTDIR)/lib/libpthread.a" 114 # Empty libraries for dl and rt 115 $(AR) -rcs "$(DESTDIR)/lib/libdl.a" 116 $(AR) -rcs "$(DESTDIR)/lib/librt.a" 117 118install: install-headers install-libs 119 120submodules: 121 git submodule sync 122 git submodule update --init --recursive 123 124sysroot: all 125 rm -rf $@ 126 rm -rf $@.partial 127 mkdir -p $@.partial 128 $(MAKE) install DESTDIR=$@.partial 129 mv $@.partial $@ 130 touch $@ 131 132test: sysroot 133 # TODO: Fix SIGILL when running cargo test 134 # $(CARGO_TEST) test 135 $(MAKE) -C tests verify 136 137# Debug targets 138 139$(BUILD)/debug/libc.a: $(BUILD)/debug/libdrsstd.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 140 echo "create $@" > "$@.mri" 141 for lib in $^; do\ 142 echo "addlib $$lib" >> "$@.mri"; \ 143 done 144 echo "save" >> "$@.mri" 145 echo "end" >> "$@.mri" 146 $(AR) -M < "$@.mri" 147 148$(BUILD)/debug/libc.so: $(BUILD)/debug/libdrsstd.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 149 $(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@ 150 151$(BUILD)/debug/libdrsstd.a: $(SRC) 152 CARGO_INCREMENTAL=0 $(CARGO) rustc $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS) 153 ./renamesyms.sh $@ $(BUILD)/debug/deps/ 154 touch $@ 155 156$(BUILD)/debug/crt0.o: $(SRC) 157 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 158 touch $@ 159 160$(BUILD)/debug/crti.o: $(SRC) 161 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 162 touch $@ 163 164$(BUILD)/debug/crtn.o: $(SRC) 165 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 166 touch $@ 167 168$(BUILD)/debug/ld_so.o: $(SRC) 169 CARGO_INCREMENTAL=0 $(CARGO) rustc --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 170 touch $@ 171 172$(BUILD)/debug/ld_so: $(BUILD)/debug/ld_so.o $(BUILD)/debug/crti.o $(BUILD)/debug/libc.a $(BUILD)/debug/crtn.o 173 $(LD) --no-relax -T src/ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@ 174 175# Release targets 176 177$(BUILD)/release/libc.a: $(BUILD)/release/libdrsstd.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 178 echo "create $@" > "$@.mri" 179 for lib in $^; do\ 180 echo "addlib $$lib" >> "$@.mri"; \ 181 done 182 echo "save" >> "$@.mri" 183 echo "end" >> "$@.mri" 184 $(AR) -M < "$@.mri" 185 186$(BUILD)/release/libc.so: $(BUILD)/release/libdrsstd.a $(BUILD)/pthreads-emb/libpthread.a $(BUILD)/openlibm/libopenlibm.a 187 $(CC) -nostdlib -shared -Wl,--allow-multiple-definition -Wl,--whole-archive $^ -Wl,--no-whole-archive -Wl,-soname,libc.so.6 -o $@ 188 189$(BUILD)/release/libdrsstd.a: $(SRC) 190 CARGO_INCREMENTAL=0 $(CARGO) rustc --release $(CARGOFLAGS) -- --emit link=$@ $(RUSTCFLAGS) 191 # TODO: Better to only allow a certain whitelisted set of symbols? Perhaps 192 # use some cbindgen hook, specify them manually, or grep for #[no_mangle]. 193 ./renamesyms.sh $@ $(BUILD)/release/deps/ 194 touch $@ 195 196$(BUILD)/release/crt0.o: $(SRC) 197 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crt0/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 198 touch $@ 199 200$(BUILD)/release/crti.o: $(SRC) 201 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crti/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 202 touch $@ 203 204$(BUILD)/release/crtn.o: $(SRC) 205 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/crtn/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 206 touch $@ 207 208$(BUILD)/release/ld_so.o: $(SRC) 209 CARGO_INCREMENTAL=0 $(CARGO) rustc --release --manifest-path src/ld_so/Cargo.toml $(CARGOFLAGS) -- --emit obj=$@ -C panic=abort $(RUSTCFLAGS) 210 touch $@ 211 212$(BUILD)/release/ld_so: $(BUILD)/release/ld_so.o $(BUILD)/release/crti.o $(BUILD)/release/libc.a $(BUILD)/release/crtn.o 213 $(LD) --no-relax -T src/ld_so/ld_script/$(TARGET).ld --allow-multiple-definition --gc-sections --gc-keep-exported $^ -o $@ 214 215# Other targets 216 217$(BUILD)/openlibm: openlibm 218 rm -rf $@ $@.partial 219 mkdir -p $(BUILD) 220 cp -r $< $@.partial 221 mv $@.partial $@ 222 touch $@ 223 224$(BUILD)/openlibm/libopenlibm.a: $(BUILD)/openlibm $(BUILD)/release/libdrsstd.a 225 $(MAKE) AR=$(AR) CC=$(CC) LD=$(LD) CPPFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libopenlibm.a 226 227$(BUILD)/pthreads-emb: pthreads-emb 228 rm -rf $@ $@.partial 229 mkdir -p $(BUILD) 230 cp -r $< $@.partial 231 mv $@.partial $@ 232 touch $@ 233 234$(BUILD)/pthreads-emb/libpthread.a: $(BUILD)/pthreads-emb $(BUILD)/release/libdrsstd.a 235 $(MAKE) AR=$(AR) CC=$(CC) LD=$(LD) CFLAGS="-fno-stack-protector -I $(shell pwd)/include -I $(shell pwd)/target/include" -C $< libpthread.a 236