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# Copyright (C) 1991-2016 Free Software Foundation, Inc.
# This file is part of the GNU C Library.
# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <http://www.gnu.org/licenses/>.
#
# Makefile for malloc routines
#
subdir := malloc
include ../Makeconfig
dist-headers := malloc.h
headers := $(dist-headers) obstack.h mcheck.h
tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
tst-mallocstate tst-mcheck tst-mallocfork tst-trim1 \
tst-malloc-usable tst-realloc tst-posix_memalign \
tst-pvalloc tst-memalign tst-mallopt tst-scratch_buffer \
tst-malloc-backtrace tst-malloc-thread-exit \
tst-malloc-thread-fail tst-malloc-fork-deadlock \
tst-mallocfork2 \
tst-interpose-nothread \
tst-interpose-thread \
tests-static := \
tst-interpose-static-nothread \
tst-interpose-static-thread \
tst-malloc-usable-static
tests += $(tests-static)
test-srcs = tst-mtrace
routines = malloc morecore mcheck mtrace obstack \
scratch_buffer_grow scratch_buffer_grow_preserve \
scratch_buffer_set_array_size
install-lib := libmcheck.a
non-lib.a := libmcheck.a
# Additional library.
extra-libs = libmemusage
extra-libs-others = $(extra-libs)
# Helper objects for some tests.
extra-tests-objs += \
tst-interpose-aux-nothread.o \
tst-interpose-aux-thread.o \
test-extras = \
tst-interpose-aux-nothread \
tst-interpose-aux-thread \
libmemusage-routines = memusage
libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
$(objpfx)tst-malloc-backtrace: $(shared-thread-library)
$(objpfx)tst-malloc-thread-exit: $(shared-thread-library)
$(objpfx)tst-malloc-thread-fail: $(shared-thread-library)
$(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)
# Export the __malloc_initialize_hook variable to libc.so.
LDFLAGS-tst-mallocstate = -rdynamic
# These should be removed by `make clean'.
extra-objs = mcheck-init.o libmcheck.a
# Include the cleanup handler.
aux := set-freeres thread-freeres
# The Perl script to analyze the output of the mtrace functions.
ifneq ($(PERL),no)
install-bin-script = mtrace
generated += mtrace
# The Perl script will print addresses and to do this nicely we must know
# whether we are on a 32 or 64 bit machine.
ifneq ($(findstring wordsize-32,$(config-sysdirs)),)
address-width=10
else
address-width=18
endif
endif
# Unless we get a test for the availability of libgd which also works
# for cross-compiling we disable the memusagestat generation in this
# situation.
ifneq ($(cross-compiling),yes)
# If the gd library is available we build the `memusagestat' program.
ifneq ($(LIBGD),no)
others: $(objpfx)memusage
install-bin = memusagestat
install-bin-script += memusage
generated += memusagestat memusage
extra-objs += memusagestat.o
# The configure.ac check for libgd and its headers did not use $SYSINCLUDES.
# The directory specified by --with-headers usually contains only the basic
# kernel interface headers, not something like libgd. So the simplest thing
# is to presume that the standard system headers will be ok for this file.
$(objpfx)memusagestat.o: sysincludes = # nothing
endif
endif
# Another goal which can be used to override the configure decision.
.PHONY: do-memusagestat
do-memusagestat: $(objpfx)memusagestat
memusagestat-modules = memusagestat
cpp-srcs-left := $(memusagestat-modules)
lib := memusagestat
include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
$(objpfx)memusagestat: $(memusagestat-modules:%=$(objpfx)%.o)
$(LINK.o) -o $@ $^ $(libgd-LDFLAGS) -lgd -lpng -lz -lm
ifeq ($(run-built-tests),yes)
ifeq (yes,$(build-shared))
ifneq ($(PERL),no)
tests-special += $(objpfx)tst-mtrace.out
endif
endif
endif
include ../Rules
CFLAGS-mcheck-init.c = $(PIC-ccflag)
CFLAGS-obstack.c = $(uses-callbacks)
$(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
-rm -f $@
$(patsubst %/,cd % &&,$(objpfx)) \
$(LN_S) $(<F) $(@F)
lib: $(objpfx)libmcheck.a
ifeq ($(run-built-tests),yes)
ifeq (yes,$(build-shared))
ifneq ($(PERL),no)
$(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
$(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
'$(run-program-env)' '$(test-program-prefix-after-env)' ; \
$(evaluate-test)
endif
endif
endif
tst-mcheck-ENV = MALLOC_CHECK_=3
tst-malloc-usable-ENV = MALLOC_CHECK_=3
tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)
# Uncomment this for test releases. For public releases it is too expensive.
#CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1
sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
$(objpfx)mtrace: mtrace.pl
rm -f $@.new
sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \
-e 's|@VERSION@|$(version)|' \
-e 's|@PKGVERSION@|$(PKGVERSION)|' \
-e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
&& rm -f $@ && mv $@.new $@ && chmod +x $@
$(objpfx)memusage: memusage.sh
rm -f $@.new
sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
-e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
-e 's|@PKGVERSION@|$(PKGVERSION)|' \
-e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
&& rm -f $@ && mv $@.new $@ && chmod +x $@
# The implementation uses `dlsym'
$(objpfx)libmemusage.so: $(libdl)
# Extra dependencies
$(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c
# Compile the tests with a flag which suppresses the mallopt call in
# the test skeleton.
$(tests:%=$(objpfx)%.o): CPPFLAGS += -DTEST_NO_MALLOPT
$(objpfx)tst-interpose-nothread: $(objpfx)tst-interpose-aux-nothread.o
$(objpfx)tst-interpose-thread: \
$(objpfx)tst-interpose-aux-thread.o $(shared-thread-library)
$(objpfx)tst-interpose-static-nothread: $(objpfx)tst-interpose-aux-nothread.o
$(objpfx)tst-interpose-static-thread: \
$(objpfx)tst-interpose-aux-thread.o $(static-thread-library)
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