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memfd_secret-shim
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Added static & shared library targets; as well as install & uninstall targets.

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TODO: Add functional test target.

Fortune for memfd_secret-shim's current commit: Small curse − 小凶
master
Avril 7 months ago
parent 9ea30b0cb2
commit aca36aec62
Signed by: flanchan
GPG Key ID: 284488987C31F630
2 changed files with 115 additions and 85 deletions
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1
.gitignore vendored
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@ -6,4 +6,5 @@ perf/
*-debug
*-release
*.so
*.so.*
*.gch

199
Makefile
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@ -17,18 +17,30 @@ INCLUDE_PCH_GLOBAL?=0
INCLUDE_GLOBAL=
# Link to these libraries dynamicalls
SHARED_LIBS=fmt
SHARED_LIBS=
# Link to these libraries statically
STATIC_LIBS=
# Prefix for un/install targets
ifeq ($(PREFIX),)
PREFIX := /usr/local
endif
# Default archivers
AR?=ar
RANLIB?=ranlib
# Use gcc-{ar,ranlib} when using gcc
ifeq ($(CXX),g++)
AR:=gcc-ar
RANLIB:=gcc-ranlib
endif
# Pre-compile these headers
PCH_HEADERS+=
# PCH_HEADERS depend on these header files
PCH_INCLUDES+=
# Link executable statically (in release builds only.)
STATIC?=no
# Compile-time default program features (see `Features application` below.)
FEATURES?=
@ -38,6 +50,12 @@ CONSTANTS+=_GNU_SOURCE
override __COMMA=,
override __VERSION_SPLIT:= $(subst ., ,$(VERSION))
override __VERSION_REVISION:=$(word 3,$(__VERSION_SPLIT)) 0
VERSION_MAJOR:= $(word 1,$(__VERSION_SPLIT))
VERSION_MINOR:= $(word 2,$(__VERSION_SPLIT))
VERSION_BUGFIX:= $(word 3,$(__VERSION_SPLIT))
VERSION_REVISION:= $(word 2,$(subst r, ,$(__VERSION_REVISION)))
override __VERSION_SPLIT:= MAJOR:$(word 1,$(__VERSION_SPLIT)) MINOR:$(word 2,$(__VERSION_SPLIT)) BUGFIX:$(word 1,$(subst r, ,$(__VERSION_REVISION))) REVISION:$(word 2,$(subst r, ,$(__VERSION_REVISION))) REVISION_STRING:$(word 3,$(__VERSION_SPLIT))
COMMON_FLAGS+= -W -Wall
@ -51,14 +69,27 @@ COMMON_FLAGS+= $(addprefix -D_VERSION_,$(subst :,=,$(__VERSION_SPLIT))) '-D_VERS
ARCH?=native
CPU?=native
# Enable OpenMP and loop parallelisation? (dyn-links to openmp)
PARALLEL?=yes
PARALLEL?=no
# Enable CPU-specific features
CPU_FLAGS?=
BINFLAGS+=
DEBUG_BINFLAGS+=
RELEASE_BINFLAGS+= -fuse-linker-plugin
OPT_FLAGS?= -fgraphite \
-floop-interchange -ftree-loop-distribution -floop-strip-mine -floop-block \
-fno-stack-check
# Static and shared common flags
SHARED_FLAGS+=-fPIC
SHARED_RELEASE_FLAGS+=
SHARED_DEBUG_FLAGS+=
STATIC_FLAGS+=
STATIC_RELEASE_FLAGS+=-ffat-lto-objects
STATIC_DEBUG_FLAGS+=
# Features application
## Tell program which features are enabled via `FEATURE_<feature name in UPPER_SNAKE_CASE>`.
@ -83,7 +114,8 @@ ifneq ($(CPU),)
endif
ifeq ($(PARALLEL),yes)
OPT_FLAGS+= -fopenmp -floop-parallelize-all -ftree-parallelize-loops=4
SHARED_FLAGS+= -fopenmp
SHARED_RELEASE_FLAGS+= -floop-parallelize-all -ftree-parallelize-loops=4
endif
COMMON_FLAGS+=$(addprefix -m,$(CPU_FLAGS))
@ -103,7 +135,7 @@ DEBUG_COMMON_FLAGS+= -ggdb -gz -ftrapv -fbounds-check
ifneq ($(TARGET_SPEC_FLAGS),no)
RELEASE_CFLAGS?= -O3 -flto $(OPT_FLAGS)
RELEASE_CXXFLAGS?= -O3 -flto $(CXX_OPT_FLAGS)
RELEASE_LDFLAGS?= -Wl,-O3 -Wl,-flto -fuse-linker-plugin
RELEASE_LDFLAGS?= -Wl,-O3 -Wl,-flto
DEBUG_CFLAGS?= -Og
DEBUG_CXXFLAGS?= -Og
@ -111,10 +143,6 @@ ifneq ($(TARGET_SPEC_FLAGS),no)
DEBUG_LDFLAGS?=
endif
ifeq ($(STATIC),yes)
RELEASE_LDFLAGS+=-static
endif
DEBUG_CFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS)
DEBUG_CXXFLAGS+=-DDEBUG $(DEBUG_COMMON_FLAGS) -fasynchronous-unwind-tables
@ -169,7 +197,7 @@ CFLAGS += $(COMMON_FLAGS) --std=$(CSTD)
CXXFLAGS += $(COMMON_FLAGS) --std=$(CXXSTD)
LDFLAGS += $(addsuffix .a,$(addprefix -l:lib,$(STATIC_LIBS))) $(addprefix -l,$(SHARED_LIBS))
# PGO
# PGO (unused for lib targets)
PROF_FLAGS= -D_PGO_GEN -fprofile-generate
PGO_OBJ_C= $(addprefix prof/c/,$(SRC_C:.c=.o))
@ -184,14 +212,27 @@ PROF_SMALL_BOUND= 1024
# Phonies
# XXX: This doesn't force them to run in series for some reason?
.PHONY: release
release: | dirs $(PROJECT)-release
release: | dirs
$(MAKE) lib$(PROJECT).a
@$(MAKE) clean-rebuild >> /dev/null
@$(MAKE) dirs >> /dev/null
$(MAKE) lib$(PROJECT).so
.PHONY: debug
debug: | dirs $(PROJECT)-debug
.PHONY: pgo
pgo: | dirs $(PROJECT)-pgo
debug: | dirs
$(MAKE) lib$(PROJECT)-debug.a
@$(MAKE) clean-rebuild >> /dev/null
@$(MAKE) dirs >> /dev/null
$(MAKE) lib$(PROJECT)-debug.so
# Rebuild both release and debug targets from scratch
.PHONY: all
all: | clean
@$(MAKE) release
@$(MAKE) clean-rebuild
@$(MAKE) debug
# Targets
@ -239,75 +280,43 @@ prof/cxx/%.o: %.cpp $(PCH_OUTPUT)
$(CXX) -c $< $(CXXFLAGS) -o $@ $(PROF_FLAGS)
#$(LDFLAGS)
$(PROJECT)-release: CFLAGS+= $(RELEASE_CFLAGS) $(PCH_USE_CFLAGS)
$(PROJECT)-release: CXXFLAGS += $(RELEASE_CXXFLAGS) $(PCH_USE_CXXFLAGS)
$(PROJECT)-release: LDFLAGS += $(RELEASE_LDFLAGS)
$(PROJECT)-release: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
lib$(PROJECT)-release.a: CFLAGS+= $(RELEASE_CFLAGS) $(STATIC_FLAGS) $(STATIC_RELEASE_FLAGS)
lib$(PROJECT)-release.a: CXXFLAGS += $(RELEASE_CXXFLAGS) $(STATIC_FLAGS) $(STATIC_RELEASE_FLAGS)
lib$(PROJECT)-release.a: LDFLAGS += $(RELEASE_LDFLAGS)
lib$(PROJECT)-release.a: $(OBJ)
$(AR) rcs $@ $^
$(RANLIB) $@
lib$(PROJECT)-debug.a: CFLAGS+= $(DEBUG_CFLAGS) $(STATIC_FLAGS) $(STATIC_DEBUG_FLAGS)
lib$(PROJECT)-debug.a: CXXFLAGS += $(DEBUG_CXXFLAGS) $(STATIC_FLAGS) $(STATIC_DEBUG_FLAGS)
lib$(PROJECT)-debug.a: LDFLAGS += $(DEBUG_LDFLAGS)
lib$(PROJECT)-debug.a: $(OBJ)
$(AR) rcs $@ $^
$(RANLIB) $@
lib$(PROJECT)-release.so: CFLAGS+= $(RELEASE_CFLAGS) $(SHARED_FLAGS) $(SHARED_RELEASE_FLAGS)
lib$(PROJECT)-release.so: CXXFLAGS += $(RELEASE_CXXFLAGS) $(SHARED_FLAGS) $(SHARED_RELEASE_FLAGS)
lib$(PROJECT)-release.so: LDFLAGS += $(RELEASE_LDFLAGS)
lib$(PROJECT)-release.so: BINFLAGS += $(RELEASE_BINFLAGS)
lib$(PROJECT)-release.so: $(OBJ)
$(CXX) -shared $^ $(BINFLAGS) $(CXXFLAGS) -o $@ $(LDFLAGS)
$(STRIP) $@
$(PROJECT)-debug: CFLAGS+= $(DEBUG_CFLAGS) $(PCH_USE_CFLAGS)
$(PROJECT)-debug: CXXFLAGS += $(DEBUG_CXXFLAGS) $(PCH_USE_CXXFLAGS)
$(PROJECT)-debug: LDFLAGS += $(DEBUG_LDFLAGS)
$(PROJECT)-debug: $(OBJ)
$(CXX) $^ $(CXXFLAGS) -o $@ $(LDFLAGS)
pgo-reset:
find -O3 prof -type f -name \*.gcda -exec rm {} +
pgo-generate: CFLAGS+= $(RELEASE_CFLAGS) $(PCH_USE_CFLAGS)
pgo-generate: CXXFLAGS+= $(RELEASE_CXXFLAGS) $(PCH_USE_CXXFLAGS)
pgo-generate: LDFLAGS+= $(RELEASE_LDFLAGS)
pgo-generate: $(PGO_OBJ)
$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
pgo-profile: | pgo-generate pgo-reset
set -e errexit && shopt -s inherit_errexit && set -eo pipefail; \
rm -rf $(PROF_LOCATION); \
for i in {0..$(PROF_ITERATIONS)}; do \
>&2 printf ">>> Iteration $$i \b\b"; \
mkdir -p $(PROF_LOCATION)/{direct,indirect}; \
for j in {0..$(PROF_LARGE_BOUND)}; do \
./pgo-generate; \
done > $(PROF_LOCATION)/full; \
for j in {0..$(PROF_SMALL_BOUND)}; do \
./pgo-generate > $(PROF_LOCATION)/direct/$$j; \
done; \
for j in {0..$(PROF_SMALL_BOUND)}; do \
./pgo-generate >> $(PROF_LOCATION)/indirect/$$i; \
done; \
for j in {0..$(PROF_SMALL_BOUND)}; do \
./pgo-generate > $(PROF_LOCATION)/direct/$$i-$$j & : ; \
done; \
for j in {0..$(PROF_SMALL_BOUND)}; do \
./pgo-generate >> $(PROF_LOCATION)/indirect/$$i-$$j & : ; \
done; \
for j in {0..$(PROF_SMALL_BOUND)}; do \
./pgo-generate >/dev/null & : ; \
done; \
wait; \
rm -rf $(PROF_LOCATION)/{direct,indirect,full}; \
>&2 printf "OK\r"; \
done
@echo ""
rm -rf $(PROF_LOCATION)
rm pgo-generate
pgo-use: CFLAGS+= $(RELEASE_CFLAGS) $(PCH_USE_CFLAGS)
pgo-use: CXXFLAGS+= $(RELEASE_CXXFLAGS) $(PCH_USE_CXXFLAGS)
pgo-use: LDFLAGS+= $(RELEASE_LDFLAGS)
pgo-use: PROF_FLAGS = -fprofile-use -fprofile-correction
pgo-use: $(PGO_OBJ)
$(CXX) $^ $(CXXFLAGS) $(PROF_FLAGS) -o $@ $(LDFLAGS) $(PROF_FLAGS)
$(PROJECT)-pgo: CFLAGS+= $(RELEASE_CFLAGS) $(PCH_USE_CFLAGS)
$(PROJECT)-pgo: CXXFLAGS+= $(RELEASE_CXXFLAGS) $(PCH_USE_CXXFLAGS)
$(PROJECT)-pgo: LDFLAGS+= $(RELEASE_LDFLAGS)
$(PROJECT)-pgo: pgo-profile
find -O3 ./prof -type f -name \*.o -exec rm {} +
$(MAKE) pgo-use
mv pgo-use $@
strip $@
lib$(PROJECT)-debug.so: CFLAGS+= $(DEBUG_CFLAGS) $(SHARED_FLAGS) $(SHARED_DEBUG_FLAGS)
lib$(PROJECT)-debug.so: CXXFLAGS += $(DEBUG_CXXFLAGS) $(SHARED_FLAGS) $(SHARED_DEBUG_FLAGS)
lib$(PROJECT)-debug.so: LDFLAGS += $(DEBUG_LDFLAGS)
lib$(PROJECT)-debug.so: BINFLAGS += $(DEBUG_BINFLAGS)
lib$(PROJECT)-debug.so: $(OBJ)
$(CXX) -shared $^ $(BINFLAGS) $(CXXFLAGS) -o $@ $(LDFLAGS)
lib$(PROJECT).a: lib$(PROJECT)-release.a
ln -f $< $@
lib$(PROJECT).so: LDFLAGS+= -Wl,-soname,lib$(PROJECT).so.$(VERSION_MAJOR)
lib$(PROJECT).so: lib$(PROJECT)-release.so
ln -f $< $@.$(VERSION)
ln -sf $@.$(VERSION) $@.$(VERSION_MAJOR)
ln -sf $@.$(VERSION_MAJOR) $@
clean-source:
find -O2 {obj,prof}/ -type f -exec rm {} +
@ -317,7 +326,27 @@ clean-rebuild: clean-source
clean: clean-rebuild
rm -f $(PROJECT)-{release,debug,pgo}
rm -f lib$(PROJECT){,-{release,debug,pgo}}.{a,so{,.*}}
rm -f $(PROJECT)-test
clean-full: clean
rm -rf {obj,prof}
install:
install -d $(DESTDIR)$(PREFIX)/lib/
install -m 644 lib$(PROJECT).a $(DESTDIR)$(PREFIX)/lib/
install -s -m 755 lib$(PROJECT).so.$(VERSION) $(DESTDIR)$(PREFIX)/lib/
ln -sf lib$(PROJECT).so.$(VERSION) $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).so.$(VERSION_MAJOR)
ln -sf lib$(PROJECT).so.$(VERSION_MAJOR) $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).so
install -d $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
install -m 644 $(wildcard $(INCLUDE)/*.*) $(DESTDIR)$(PREFIX)/include/$(PROJECT)/
uninstall:
-rm $(DESTDIR)$(PREFIX)/lib/lib$(PROJECT).{a,so{,.*}}
cd $(INCLUDE) && find . -type f | xargs -I {} rm "$(DESTDIR)$(PREFIX)/include/$(PROJECT)/{}"
rmdir $(DESTDIR)$(PREFIX)/include/$(PROJECT)
$(PROJECT)-test: LDFLAGS+= -lfmt -lstdc++
$(PROJECT)-test: CFLAGS+= -Og -g
$(PROJECT)-test: lib$(PROJECT)-debug.a
$(CC) $(CFLAGS) src/test/*.c -o $@ -l:$< $(LDFLAGS)
-valgrind ./$@

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