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weekly_20241007
third_party_littlefs/Makefile
JKANG94 9bb47943d7 feat: update to v2.8.0 
Signed-off-by: JKANG94 <446326515@qq.com>
2024-05-06 11:34:20 +08:00

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Makefile
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# overrideable build dir, default is in-place
BUILDDIR ?= .
# overridable target/src/tools/flags/etc
ifneq ($(wildcard test.c main.c),)
TARGET ?= $(BUILDDIR)/lfs
else
TARGET ?= $(BUILDDIR)/liblfs.a
endif
CC ?= gcc
AR ?= ar
SIZE ?= size
CTAGS ?= ctags
NM ?= nm
OBJDUMP ?= objdump
VALGRIND ?= valgrind
GDB ?= gdb
PERF ?= perf
SRC ?= $(filter-out $(wildcard *.t.* *.b.*),$(wildcard *.c))
OBJ := $(SRC:%.c=$(BUILDDIR)/%.o)
DEP := $(SRC:%.c=$(BUILDDIR)/%.d)
ASM := $(SRC:%.c=$(BUILDDIR)/%.s)
CI := $(SRC:%.c=$(BUILDDIR)/%.ci)
GCDA := $(SRC:%.c=$(BUILDDIR)/%.t.gcda)
TESTS ?= $(wildcard tests/*.toml)
TEST_SRC ?= $(SRC) \
$(filter-out $(wildcard bd/*.t.* bd/*.b.*),$(wildcard bd/*.c)) \
runners/test_runner.c
TEST_RUNNER ?= $(BUILDDIR)/runners/test_runner
TEST_A := $(TESTS:%.toml=$(BUILDDIR)/%.t.a.c) \
$(TEST_SRC:%.c=$(BUILDDIR)/%.t.a.c)
TEST_C := $(TEST_A:%.t.a.c=%.t.c)
TEST_OBJ := $(TEST_C:%.t.c=%.t.o)
TEST_DEP := $(TEST_C:%.t.c=%.t.d)
TEST_CI := $(TEST_C:%.t.c=%.t.ci)
TEST_GCNO := $(TEST_C:%.t.c=%.t.gcno)
TEST_GCDA := $(TEST_C:%.t.c=%.t.gcda)
TEST_PERF := $(TEST_RUNNER:%=%.perf)
TEST_TRACE := $(TEST_RUNNER:%=%.trace)
TEST_CSV := $(TEST_RUNNER:%=%.csv)
BENCHES ?= $(wildcard benches/*.toml)
BENCH_SRC ?= $(SRC) \
$(filter-out $(wildcard bd/*.t.* bd/*.b.*),$(wildcard bd/*.c)) \
runners/bench_runner.c
BENCH_RUNNER ?= $(BUILDDIR)/runners/bench_runner
BENCH_A := $(BENCHES:%.toml=$(BUILDDIR)/%.b.a.c) \
$(BENCH_SRC:%.c=$(BUILDDIR)/%.b.a.c)
BENCH_C := $(BENCH_A:%.b.a.c=%.b.c)
BENCH_OBJ := $(BENCH_C:%.b.c=%.b.o)
BENCH_DEP := $(BENCH_C:%.b.c=%.b.d)
BENCH_CI := $(BENCH_C:%.b.c=%.b.ci)
BENCH_GCNO := $(BENCH_C:%.b.c=%.b.gcno)
BENCH_GCDA := $(BENCH_C:%.b.c=%.b.gcda)
BENCH_PERF := $(BENCH_RUNNER:%=%.perf)
BENCH_TRACE := $(BENCH_RUNNER:%=%.trace)
BENCH_CSV := $(BENCH_RUNNER:%=%.csv)
CFLAGS += -fcallgraph-info=su
CFLAGS += -g3
CFLAGS += -I.
CFLAGS += -std=c99 -Wall -Wextra -pedantic
CFLAGS += -ftrack-macro-expansion=0
ifdef DEBUG
CFLAGS += -O0
else
CFLAGS += -Os
endif
ifdef TRACE
CFLAGS += -DLFS_YES_TRACE
endif
ifdef YES_COV
CFLAGS += --coverage
endif
ifdef YES_PERF
CFLAGS += -fno-omit-frame-pointer
endif
ifdef YES_PERFBD
CFLAGS += -fno-omit-frame-pointer
endif
ifdef VERBOSE
CODEFLAGS += -v
DATAFLAGS += -v
STACKFLAGS += -v
STRUCTSFLAGS += -v
COVFLAGS += -v
PERFFLAGS += -v
PERFBDFLAGS += -v
endif
# forward -j flag
PERFFLAGS += $(filter -j%,$(MAKEFLAGS))
PERFBDFLAGS += $(filter -j%,$(MAKEFLAGS))
ifneq ($(NM),nm)
CODEFLAGS += --nm-path="$(NM)"
DATAFLAGS += --nm-path="$(NM)"
endif
ifneq ($(OBJDUMP),objdump)
CODEFLAGS += --objdump-path="$(OBJDUMP)"
DATAFLAGS += --objdump-path="$(OBJDUMP)"
STRUCTSFLAGS += --objdump-path="$(OBJDUMP)"
PERFFLAGS += --objdump-path="$(OBJDUMP)"
PERFBDFLAGS += --objdump-path="$(OBJDUMP)"
endif
ifneq ($(PERF),perf)
PERFFLAGS += --perf-path="$(PERF)"
endif
TESTFLAGS += -b
BENCHFLAGS += -b
# forward -j flag
TESTFLAGS += $(filter -j%,$(MAKEFLAGS))
BENCHFLAGS += $(filter -j%,$(MAKEFLAGS))
ifdef YES_PERF
TESTFLAGS += -p $(TEST_PERF)
BENCHFLAGS += -p $(BENCH_PERF)
endif
ifdef YES_PERFBD
TESTFLAGS += -t $(TEST_TRACE) --trace-backtrace --trace-freq=100
endif
ifndef NO_PERFBD
BENCHFLAGS += -t $(BENCH_TRACE) --trace-backtrace --trace-freq=100
endif
ifdef YES_TESTMARKS
TESTFLAGS += -o $(TEST_CSV)
endif
ifndef NO_BENCHMARKS
BENCHFLAGS += -o $(BENCH_CSV)
endif
ifdef VERBOSE
TESTFLAGS += -v
TESTCFLAGS += -v
BENCHFLAGS += -v
BENCHCFLAGS += -v
endif
ifdef EXEC
TESTFLAGS += --exec="$(EXEC)"
BENCHFLAGS += --exec="$(EXEC)"
endif
ifneq ($(GDB),gdb)
TESTFLAGS += --gdb-path="$(GDB)"
BENCHFLAGS += --gdb-path="$(GDB)"
endif
ifneq ($(VALGRIND),valgrind)
TESTFLAGS += --valgrind-path="$(VALGRIND)"
BENCHFLAGS += --valgrind-path="$(VALGRIND)"
endif
ifneq ($(PERF),perf)
TESTFLAGS += --perf-path="$(PERF)"
BENCHFLAGS += --perf-path="$(PERF)"
endif
# this is a bit of a hack, but we want to make sure the BUILDDIR
# directory structure is correct before we run any commands
ifneq ($(BUILDDIR),.)
$(if $(findstring n,$(MAKEFLAGS)),, $(shell mkdir -p \
$(addprefix $(BUILDDIR)/,$(dir \
$(SRC) \
$(TESTS) \
$(TEST_SRC) \
$(BENCHES) \
$(BENCH_SRC)))))
endif
# commands
## Build littlefs
.PHONY: all build
all build: $(TARGET)
## Build assembly files
.PHONY: asm
asm: $(ASM)
## Find the total size
.PHONY: size
size: $(OBJ)
$(SIZE) -t $^
## Generate a ctags file
.PHONY: tags
tags:
$(CTAGS) --totals --c-types=+p $(shell find -H -name '*.h') $(SRC)
## Show this help text
.PHONY: help
help:
@$(strip awk '/^## / { \
sub(/^## /,""); \
getline rule; \
while (rule ~ /^(#|\.PHONY|ifdef|ifndef)/) getline rule; \
gsub(/:.*/, "", rule); \
printf " "" %-25s %s\n", rule, $$0 \
}' $(MAKEFILE_LIST))
## Find the per-function code size
.PHONY: code
code: CODEFLAGS+=-S
code: $(OBJ) $(BUILDDIR)/lfs.code.csv
./scripts/code.py $(OBJ) $(CODEFLAGS)
## Compare per-function code size
.PHONY: code-diff
code-diff: $(OBJ)
./scripts/code.py $^ $(CODEFLAGS) -d $(BUILDDIR)/lfs.code.csv
## Find the per-function data size
.PHONY: data
data: DATAFLAGS+=-S
data: $(OBJ) $(BUILDDIR)/lfs.data.csv
./scripts/data.py $(OBJ) $(DATAFLAGS)
## Compare per-function data size
.PHONY: data-diff
data-diff: $(OBJ)
./scripts/data.py $^ $(DATAFLAGS) -d $(BUILDDIR)/lfs.data.csv
## Find the per-function stack usage
.PHONY: stack
stack: STACKFLAGS+=-S
stack: $(CI) $(BUILDDIR)/lfs.stack.csv
./scripts/stack.py $(CI) $(STACKFLAGS)
## Compare per-function stack usage
.PHONY: stack-diff
stack-diff: $(CI)
./scripts/stack.py $^ $(STACKFLAGS) -d $(BUILDDIR)/lfs.stack.csv
## Find function sizes
.PHONY: funcs
funcs: SUMMARYFLAGS+=-S
funcs: \
$(BUILDDIR)/lfs.code.csv \
$(BUILDDIR)/lfs.data.csv \
$(BUILDDIR)/lfs.stack.csv
$(strip ./scripts/summary.py $^ \
-bfunction \
-fcode=code_size \
-fdata=data_size \
-fstack=stack_limit --max=stack \
$(SUMMARYFLAGS))
## Compare function sizes
.PHONY: funcs-diff
funcs-diff: SHELL=/bin/bash
funcs-diff: $(OBJ) $(CI)
$(strip ./scripts/summary.py \
<(./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o-) \
<(./scripts/data.py $(OBJ) -q $(DATAFLAGS) -o-) \
<(./scripts/stack.py $(CI) -q $(STACKFLAGS) -o-) \
-bfunction \
-fcode=code_size \
-fdata=data_size \
-fstack=stack_limit --max=stack \
$(SUMMARYFLAGS) -d <(./scripts/summary.py \
$(BUILDDIR)/lfs.code.csv \
$(BUILDDIR)/lfs.data.csv \
$(BUILDDIR)/lfs.stack.csv \
-q $(SUMMARYFLAGS) -o-))
## Find struct sizes
.PHONY: structs
structs: STRUCTSFLAGS+=-S
structs: $(OBJ) $(BUILDDIR)/lfs.structs.csv
./scripts/structs.py $(OBJ) $(STRUCTSFLAGS)
## Compare struct sizes
.PHONY: structs-diff
structs-diff: $(OBJ)
./scripts/structs.py $^ $(STRUCTSFLAGS) -d $(BUILDDIR)/lfs.structs.csv
## Find the line/branch coverage after a test run
.PHONY: cov
cov: COVFLAGS+=-s
cov: $(GCDA) $(BUILDDIR)/lfs.cov.csv
$(strip ./scripts/cov.py $(GCDA) \
$(patsubst %,-F%,$(SRC)) \
$(COVFLAGS))
## Compare line/branch coverage
.PHONY: cov-diff
cov-diff: $(GCDA)
$(strip ./scripts/cov.py $^ \
$(patsubst %,-F%,$(SRC)) \
$(COVFLAGS) -d $(BUILDDIR)/lfs.cov.csv)
## Find the perf results after bench run with YES_PERF
.PHONY: perf
perf: PERFFLAGS+=-S
perf: $(BENCH_PERF) $(BUILDDIR)/lfs.perf.csv
$(strip ./scripts/perf.py $(BENCH_PERF) \
$(patsubst %,-F%,$(SRC)) \
$(PERFFLAGS))
## Compare perf results
.PHONY: perf-diff
perf-diff: $(BENCH_PERF)
$(strip ./scripts/perf.py $^ \
$(patsubst %,-F%,$(SRC)) \
$(PERFFLAGS) -d $(BUILDDIR)/lfs.perf.csv)
## Find the perfbd results after a bench run
.PHONY: perfbd
perfbd: PERFBDFLAGS+=-S
perfbd: $(BENCH_TRACE) $(BUILDDIR)/lfs.perfbd.csv
$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $(BENCH_TRACE) \
$(patsubst %,-F%,$(SRC)) \
$(PERFBDFLAGS))
## Compare perfbd results
.PHONY: perfbd-diff
perfbd-diff: $(BENCH_TRACE)
$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $^ \
$(patsubst %,-F%,$(SRC)) \
$(PERFBDFLAGS) -d $(BUILDDIR)/lfs.perfbd.csv)
## Find a summary of compile-time sizes
.PHONY: summary sizes
summary sizes: \
$(BUILDDIR)/lfs.code.csv \
$(BUILDDIR)/lfs.data.csv \
$(BUILDDIR)/lfs.stack.csv \
$(BUILDDIR)/lfs.structs.csv
$(strip ./scripts/summary.py $^ \
-fcode=code_size \
-fdata=data_size \
-fstack=stack_limit --max=stack \
-fstructs=struct_size \
-Y $(SUMMARYFLAGS))
## Compare compile-time sizes
.PHONY: summary-diff sizes-diff
summary-diff sizes-diff: SHELL=/bin/bash
summary-diff sizes-diff: $(OBJ) $(CI)
$(strip ./scripts/summary.py \
<(./scripts/code.py $(OBJ) -q $(CODEFLAGS) -o-) \
<(./scripts/data.py $(OBJ) -q $(DATAFLAGS) -o-) \
<(./scripts/stack.py $(CI) -q $(STACKFLAGS) -o-) \
<(./scripts/structs.py $(OBJ) -q $(STRUCTSFLAGS) -o-) \
-fcode=code_size \
-fdata=data_size \
-fstack=stack_limit --max=stack \
-fstructs=struct_size \
-Y $(SUMMARYFLAGS) -d <(./scripts/summary.py \
$(BUILDDIR)/lfs.code.csv \
$(BUILDDIR)/lfs.data.csv \
$(BUILDDIR)/lfs.stack.csv \
$(BUILDDIR)/lfs.structs.csv \
-q $(SUMMARYFLAGS) -o-))
## Build the test-runner
.PHONY: test-runner build-test
ifndef NO_COV
test-runner build-test: CFLAGS+=--coverage
endif
ifdef YES_PERF
test-runner build-test: CFLAGS+=-fno-omit-frame-pointer
endif
ifdef YES_PERFBD
test-runner build-test: CFLAGS+=-fno-omit-frame-pointer
endif
# note we remove some binary dependent files during compilation,
# otherwise it's way to easy to end up with outdated results
test-runner build-test: $(TEST_RUNNER)
ifndef NO_COV
rm -f $(TEST_GCDA)
endif
ifdef YES_PERF
rm -f $(TEST_PERF)
endif
ifdef YES_PERFBD
rm -f $(TEST_TRACE)
endif
## Run the tests, -j enables parallel tests
.PHONY: test
test: test-runner
./scripts/test.py $(TEST_RUNNER) $(TESTFLAGS)
## List the tests
.PHONY: test-list
test-list: test-runner
./scripts/test.py $(TEST_RUNNER) $(TESTFLAGS) -l
## Summarize the testmarks
.PHONY: testmarks
testmarks: SUMMARYFLAGS+=-spassed
testmarks: $(TEST_CSV) $(BUILDDIR)/lfs.test.csv
$(strip ./scripts/summary.py $(TEST_CSV) \
-bsuite \
-fpassed=test_passed \
$(SUMMARYFLAGS))
## Compare testmarks against a previous run
.PHONY: testmarks-diff
testmarks-diff: $(TEST_CSV)
$(strip ./scripts/summary.py $^ \
-bsuite \
-fpassed=test_passed \
$(SUMMARYFLAGS) -d $(BUILDDIR)/lfs.test.csv)
## Build the bench-runner
.PHONY: bench-runner build-bench
ifdef YES_COV
bench-runner build-bench: CFLAGS+=--coverage
endif
ifdef YES_PERF
bench-runner build-bench: CFLAGS+=-fno-omit-frame-pointer
endif
ifndef NO_PERFBD
bench-runner build-bench: CFLAGS+=-fno-omit-frame-pointer
endif
# note we remove some binary dependent files during compilation,
# otherwise it's way to easy to end up with outdated results
bench-runner build-bench: $(BENCH_RUNNER)
ifdef YES_COV
rm -f $(BENCH_GCDA)
endif
ifdef YES_PERF
rm -f $(BENCH_PERF)
endif
ifndef NO_PERFBD
rm -f $(BENCH_TRACE)
endif
## Run the benchmarks, -j enables parallel benchmarks
.PHONY: bench
bench: bench-runner
./scripts/bench.py $(BENCH_RUNNER) $(BENCHFLAGS)
## List the benchmarks
.PHONY: bench-list
bench-list: bench-runner
./scripts/bench.py $(BENCH_RUNNER) $(BENCHFLAGS) -l
## Summarize the benchmarks
.PHONY: benchmarks
benchmarks: SUMMARYFLAGS+=-Serased -Sproged -Sreaded
benchmarks: $(BENCH_CSV) $(BUILDDIR)/lfs.bench.csv
$(strip ./scripts/summary.py $(BENCH_CSV) \
-bsuite \
-freaded=bench_readed \
-fproged=bench_proged \
-ferased=bench_erased \
$(SUMMARYFLAGS))
## Compare benchmarks against a previous run
.PHONY: benchmarks-diff
benchmarks-diff: $(BENCH_CSV)
$(strip ./scripts/summary.py $^ \
-bsuite \
-freaded=bench_readed \
-fproged=bench_proged \
-ferased=bench_erased \
$(SUMMARYFLAGS) -d $(BUILDDIR)/lfs.bench.csv)
# rules
-include $(DEP)
-include $(TEST_DEP)
.SUFFIXES:
.SECONDARY:
$(BUILDDIR)/lfs: $(OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
$(BUILDDIR)/liblfs.a: $(OBJ)
$(AR) rcs $@ $^
$(BUILDDIR)/lfs.code.csv: $(OBJ)
./scripts/code.py $^ -q $(CODEFLAGS) -o $@
$(BUILDDIR)/lfs.data.csv: $(OBJ)
./scripts/data.py $^ -q $(DATAFLAGS) -o $@
$(BUILDDIR)/lfs.stack.csv: $(CI)
./scripts/stack.py $^ -q $(STACKFLAGS) -o $@
$(BUILDDIR)/lfs.structs.csv: $(OBJ)
./scripts/structs.py $^ -q $(STRUCTSFLAGS) -o $@
$(BUILDDIR)/lfs.cov.csv: $(GCDA)
$(strip ./scripts/cov.py $^ \
$(patsubst %,-F%,$(SRC)) \
-q $(COVFLAGS) -o $@)
$(BUILDDIR)/lfs.perf.csv: $(BENCH_PERF)
$(strip ./scripts/perf.py $^ \
$(patsubst %,-F%,$(SRC)) \
-q $(PERFFLAGS) -o $@)
$(BUILDDIR)/lfs.perfbd.csv: $(BENCH_TRACE)
$(strip ./scripts/perfbd.py $(BENCH_RUNNER) $^ \
$(patsubst %,-F%,$(SRC)) \
-q $(PERFBDFLAGS) -o $@)
$(BUILDDIR)/lfs.test.csv: $(TEST_CSV)
cp $^ $@
$(BUILDDIR)/lfs.bench.csv: $(BENCH_CSV)
cp $^ $@
$(BUILDDIR)/runners/test_runner: $(TEST_OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
$(BUILDDIR)/runners/bench_runner: $(BENCH_OBJ)
$(CC) $(CFLAGS) $^ $(LFLAGS) -o $@
# our main build rule generates .o, .d, and .ci files, the latter
# used for stack analysis
$(BUILDDIR)/%.o $(BUILDDIR)/%.ci: %.c
$(CC) -c -MMD $(CFLAGS) $< -o $(BUILDDIR)/$*.o
$(BUILDDIR)/%.o $(BUILDDIR)/%.ci: $(BUILDDIR)/%.c
$(CC) -c -MMD $(CFLAGS) $< -o $(BUILDDIR)/$*.o
$(BUILDDIR)/%.s: %.c
$(CC) -S $(CFLAGS) $< -o $@
$(BUILDDIR)/%.c: %.a.c
./scripts/prettyasserts.py -p LFS_ASSERT $< -o $@
$(BUILDDIR)/%.c: $(BUILDDIR)/%.a.c
./scripts/prettyasserts.py -p LFS_ASSERT $< -o $@
$(BUILDDIR)/%.t.a.c: %.toml
./scripts/test.py -c $< $(TESTCFLAGS) -o $@
$(BUILDDIR)/%.t.a.c: %.c $(TESTS)
./scripts/test.py -c $(TESTS) -s $< $(TESTCFLAGS) -o $@
$(BUILDDIR)/%.b.a.c: %.toml
./scripts/bench.py -c $< $(BENCHCFLAGS) -o $@
$(BUILDDIR)/%.b.a.c: %.c $(BENCHES)
./scripts/bench.py -c $(BENCHES) -s $< $(BENCHCFLAGS) -o $@
## Clean everything
.PHONY: clean
clean:
rm -f $(BUILDDIR)/lfs
rm -f $(BUILDDIR)/liblfs.a
rm -f $(BUILDDIR)/lfs.code.csv
rm -f $(BUILDDIR)/lfs.data.csv
rm -f $(BUILDDIR)/lfs.stack.csv
rm -f $(BUILDDIR)/lfs.structs.csv
rm -f $(BUILDDIR)/lfs.cov.csv
rm -f $(BUILDDIR)/lfs.perf.csv
rm -f $(BUILDDIR)/lfs.perfbd.csv
rm -f $(BUILDDIR)/lfs.test.csv
rm -f $(BUILDDIR)/lfs.bench.csv
rm -f $(OBJ)
rm -f $(DEP)
rm -f $(ASM)
rm -f $(CI)
rm -f $(TEST_RUNNER)
rm -f $(TEST_A)
rm -f $(TEST_C)
rm -f $(TEST_OBJ)
rm -f $(TEST_DEP)
rm -f $(TEST_CI)
rm -f $(TEST_GCNO)
rm -f $(TEST_GCDA)
rm -f $(TEST_PERF)
rm -f $(TEST_TRACE)
rm -f $(TEST_CSV)
rm -f $(BENCH_RUNNER)
rm -f $(BENCH_A)
rm -f $(BENCH_C)
rm -f $(BENCH_OBJ)
rm -f $(BENCH_DEP)
rm -f $(BENCH_CI)
rm -f $(BENCH_GCNO)
rm -f $(BENCH_GCDA)
rm -f $(BENCH_PERF)
rm -f $(BENCH_TRACE)
rm -f $(BENCH_CSV)
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