Add glibc.malloc.mxfast tunable
[glibc.git] / malloc / Makefile
blob94b74b5c45a5cdc35ed4622d8dda6f1e528ae675
1 # Copyright (C) 1991-2019 Free Software Foundation, Inc.
2 # This file is part of the GNU C Library.
4 # The GNU C Library is free software; you can redistribute it and/or
5 # modify it under the terms of the GNU Lesser General Public
6 # License as published by the Free Software Foundation; either
7 # version 2.1 of the License, or (at your option) any later version.
9 # The GNU C Library is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 # Lesser General Public License for more details.
14 # You should have received a copy of the GNU Lesser General Public
15 # License along with the GNU C Library; if not, see
16 # <http://www.gnu.org/licenses/>.
19 # Makefile for malloc routines
21 subdir := malloc
23 include ../Makeconfig
25 dist-headers := malloc.h
26 headers := $(dist-headers) obstack.h mcheck.h
27 tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
28 tst-mcheck tst-mallocfork tst-trim1 \
29 tst-malloc-usable tst-realloc tst-reallocarray tst-posix_memalign \
30 tst-pvalloc tst-memalign tst-mallopt \
31 tst-malloc-backtrace tst-malloc-thread-exit \
32 tst-malloc-thread-fail tst-malloc-fork-deadlock \
33 tst-mallocfork2 \
34 tst-interpose-nothread \
35 tst-interpose-thread \
36 tst-alloc_buffer \
37 tst-malloc-tcache-leak \
38 tst-malloc_info \
39 tst-malloc-too-large \
40 tst-malloc-stats-cancellation \
41 tst-tcfree1 tst-tcfree2 tst-tcfree3 \
42 tst-mxfast \
44 tests-static := \
45 tst-interpose-static-nothread \
46 tst-interpose-static-thread \
47 tst-malloc-usable-static \
49 tests-internal := tst-mallocstate tst-scratch_buffer
51 # The dynarray framework is only available inside glibc.
52 tests-internal += \
53 tst-dynarray \
54 tst-dynarray-fail \
55 tst-dynarray-at-fail \
57 ifneq (no,$(have-tunables))
58 tests += tst-malloc-usable-tunables
59 tests-static += tst-malloc-usable-static-tunables
60 endif
62 tests += $(tests-static)
63 test-srcs = tst-mtrace
65 routines = malloc morecore mcheck mtrace obstack reallocarray \
66 scratch_buffer_grow scratch_buffer_grow_preserve \
67 scratch_buffer_set_array_size \
68 dynarray_at_failure \
69 dynarray_emplace_enlarge \
70 dynarray_finalize \
71 dynarray_resize \
72 dynarray_resize_clear \
73 alloc_buffer_alloc_array \
74 alloc_buffer_allocate \
75 alloc_buffer_copy_bytes \
76 alloc_buffer_copy_string \
77 alloc_buffer_create_failure \
79 install-lib := libmcheck.a
80 non-lib.a := libmcheck.a
82 # Additional library.
83 extra-libs = libmemusage
84 extra-libs-others = $(extra-libs)
86 # Helper objects for some tests.
87 extra-tests-objs += \
88 tst-interpose-aux-nothread.o \
89 tst-interpose-aux-thread.o \
91 test-extras = \
92 tst-interpose-aux-nothread \
93 tst-interpose-aux-thread \
95 libmemusage-routines = memusage
96 libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
98 $(objpfx)tst-malloc-backtrace: $(shared-thread-library)
99 $(objpfx)tst-malloc-thread-exit: $(shared-thread-library)
100 $(objpfx)tst-malloc-thread-fail: $(shared-thread-library)
101 $(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)
102 $(objpfx)tst-malloc-stats-cancellation: $(shared-thread-library)
104 # Export the __malloc_initialize_hook variable to libc.so.
105 LDFLAGS-tst-mallocstate = -rdynamic
107 # These should be removed by `make clean'.
108 extra-objs = mcheck-init.o libmcheck.a
109 others-extras = mcheck-init.o
111 # Include the cleanup handler.
112 aux := set-freeres thread-freeres
114 # The Perl script to analyze the output of the mtrace functions.
115 ifneq ($(PERL),no)
116 install-bin-script = mtrace
117 generated += mtrace
119 # The Perl script will print addresses and to do this nicely we must know
120 # whether we are on a 32 or 64 bit machine.
121 ifneq ($(findstring wordsize-32,$(config-sysdirs)),)
122 address-width=10
123 else
124 address-width=18
125 endif
126 endif
128 # Unless we get a test for the availability of libgd which also works
129 # for cross-compiling we disable the memusagestat generation in this
130 # situation.
131 ifneq ($(cross-compiling),yes)
132 # If the gd library is available we build the `memusagestat' program.
133 ifneq ($(LIBGD),no)
134 others: $(objpfx)memusage
135 others += memusagestat
136 install-bin = memusagestat
137 install-bin-script += memusage
138 generated += memusagestat memusage
139 extra-objs += memusagestat.o
141 # The configure.ac check for libgd and its headers did not use $SYSINCLUDES.
142 # The directory specified by --with-headers usually contains only the basic
143 # kernel interface headers, not something like libgd. So the simplest thing
144 # is to presume that the standard system headers will be ok for this file.
145 $(objpfx)memusagestat.o: sysincludes = # nothing
146 endif
147 endif
149 # Another goal which can be used to override the configure decision.
150 .PHONY: do-memusagestat
151 do-memusagestat: $(objpfx)memusagestat
153 memusagestat-modules = memusagestat
155 cpp-srcs-left := $(memusagestat-modules)
156 lib := memusagestat
157 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
159 LDLIBS-memusagestat = $(libgd-LDFLAGS) -lgd -lpng -lz -lm
161 ifeq ($(run-built-tests),yes)
162 ifeq (yes,$(build-shared))
163 ifneq ($(PERL),no)
164 tests-special += $(objpfx)tst-mtrace.out
165 tests-special += $(objpfx)tst-dynarray-mem.out
166 tests-special += $(objpfx)tst-dynarray-fail-mem.out
167 endif
168 endif
169 endif
171 include ../Rules
173 CFLAGS-mcheck-init.c += $(PIC-ccflag)
174 CFLAGS-obstack.c += $(uses-callbacks)
176 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
177 -rm -f $@
178 $(patsubst %/,cd % &&,$(objpfx)) \
179 $(LN_S) $(<F) $(@F)
181 lib: $(objpfx)libmcheck.a
183 ifeq ($(run-built-tests),yes)
184 ifeq (yes,$(build-shared))
185 ifneq ($(PERL),no)
186 $(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
187 $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
188 '$(run-program-env)' '$(test-program-prefix-after-env)' > $@; \
189 $(evaluate-test)
190 endif
191 endif
192 endif
194 tst-mcheck-ENV = MALLOC_CHECK_=3
195 tst-malloc-usable-ENV = MALLOC_CHECK_=3
196 tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)
197 tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3
198 tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV)
200 tst-mxfast-ENV = GLIBC_TUNABLES=glibc.malloc.tcache_count=0:glibc.malloc.mxfast=0
202 ifeq ($(experimental-malloc),yes)
203 CPPFLAGS-malloc.c += -DUSE_TCACHE=1
204 else
205 CPPFLAGS-malloc.c += -DUSE_TCACHE=0
206 endif
207 # Uncomment this for test releases. For public releases it is too expensive.
208 #CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1
210 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
212 $(objpfx)mtrace: mtrace.pl
213 rm -f $@.new
214 sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \
215 -e 's|@VERSION@|$(version)|' \
216 -e 's|@PKGVERSION@|$(PKGVERSION)|' \
217 -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
218 && rm -f $@ && mv $@.new $@ && chmod +x $@
220 $(objpfx)memusage: memusage.sh
221 rm -f $@.new
222 sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
223 -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
224 -e 's|@PKGVERSION@|$(PKGVERSION)|' \
225 -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
226 && rm -f $@ && mv $@.new $@ && chmod +x $@
229 # The implementation uses `dlsym'
230 $(objpfx)libmemusage.so: $(libdl)
232 # Extra dependencies
233 $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c
235 # Compile the tests with a flag which suppresses the mallopt call in
236 # the test skeleton.
237 $(tests:%=$(objpfx)%.o): CPPFLAGS += -DTEST_NO_MALLOPT
239 $(objpfx)tst-interpose-nothread: $(objpfx)tst-interpose-aux-nothread.o
240 $(objpfx)tst-interpose-thread: \
241 $(objpfx)tst-interpose-aux-thread.o $(shared-thread-library)
242 $(objpfx)tst-interpose-static-nothread: $(objpfx)tst-interpose-aux-nothread.o
243 $(objpfx)tst-interpose-static-thread: \
244 $(objpfx)tst-interpose-aux-thread.o $(static-thread-library)
246 tst-dynarray-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray.mtrace
247 $(objpfx)tst-dynarray-mem.out: $(objpfx)tst-dynarray.out
248 $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray.mtrace > $@; \
249 $(evaluate-test)
251 tst-dynarray-fail-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray-fail.mtrace
252 $(objpfx)tst-dynarray-fail-mem.out: $(objpfx)tst-dynarray-fail.out
253 $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray-fail.mtrace > $@; \
254 $(evaluate-test)
256 $(objpfx)tst-malloc-tcache-leak: $(shared-thread-library)
257 $(objpfx)tst-malloc_info: $(shared-thread-library)
258 $(objpfx)tst-mallocfork2: $(shared-thread-library)