malloc/Makefile

   1 # Copyright (C) 1991-2018 Free Software Foundation, Inc.
   2 # This file is part of the GNU C Library.
   3
   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.
   8
   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.
  13
  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/>.
  17
  18 #
  19 #       Makefile for malloc routines
  20 #
  21 subdir  := malloc
  22
  23 include ../Makeconfig
  24
  25 dist-headers := malloc.h
  26 headers := $(dist-headers) obstack.h mcheck.h
  27 tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
  28          tst-mcheck tst-mallocfork tst-trim1 \
  29          tst-malloc-usable tst-realloc tst-reallocarray tst-posix_memalign \
  30          tst-pvalloc tst-memalign tst-mallopt \
  31          tst-malloc-backtrace tst-malloc-thread-exit \
  32          tst-malloc-thread-fail tst-malloc-fork-deadlock \
  33          tst-mallocfork2 \
  34          tst-interpose-nothread \
  35          tst-interpose-thread \
  36          tst-alloc_buffer \
  37          tst-malloc-tcache-leak \
  38          tst-malloc_info \
  39          tst-malloc-too-large \
  40
  41 tests-static := \
  42          tst-interpose-static-nothread \
  43          tst-interpose-static-thread \
  44          tst-malloc-usable-static \
  45
  46 tests-internal := tst-mallocstate tst-scratch_buffer
  47
  48 # The dynarray framework is only available inside glibc.
  49 tests-internal += \
  50          tst-dynarray \
  51          tst-dynarray-fail \
  52          tst-dynarray-at-fail \
  53
  54 ifneq (no,$(have-tunables))
  55 tests += tst-malloc-usable-tunables
  56 tests-static += tst-malloc-usable-static-tunables
  57 endif
  58
  59 tests += $(tests-static)
  60 test-srcs = tst-mtrace
  61
  62 routines = malloc morecore mcheck mtrace obstack reallocarray \
  63   scratch_buffer_grow scratch_buffer_grow_preserve \
  64   scratch_buffer_set_array_size \
  65   dynarray_at_failure \
  66   dynarray_emplace_enlarge \
  67   dynarray_finalize \
  68   dynarray_resize \
  69   dynarray_resize_clear \
  70   alloc_buffer_alloc_array \
  71   alloc_buffer_allocate \
  72   alloc_buffer_copy_bytes  \
  73   alloc_buffer_copy_string \
  74   alloc_buffer_create_failure \
  75
  76 install-lib := libmcheck.a
  77 non-lib.a := libmcheck.a
  78
  79 # Additional library.
  80 extra-libs = libmemusage
  81 extra-libs-others = $(extra-libs)
  82
  83 # Helper objects for some tests.
  84 extra-tests-objs += \
  85   tst-interpose-aux-nothread.o \
  86   tst-interpose-aux-thread.o \
  87
  88 test-extras = \
  89   tst-interpose-aux-nothread \
  90   tst-interpose-aux-thread \
  91
  92 libmemusage-routines = memusage
  93 libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
  94
  95 $(objpfx)tst-malloc-backtrace: $(shared-thread-library)
  96 $(objpfx)tst-malloc-thread-exit: $(shared-thread-library)
  97 $(objpfx)tst-malloc-thread-fail: $(shared-thread-library)
  98 $(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)
  99
 100 # Export the __malloc_initialize_hook variable to libc.so.
 101 LDFLAGS-tst-mallocstate = -rdynamic
 102
 103 # These should be removed by `make clean'.
 104 extra-objs = mcheck-init.o libmcheck.a
 105 others-extras = mcheck-init.o
 106
 107 # Include the cleanup handler.
 108 aux := set-freeres thread-freeres
 109
 110 # The Perl script to analyze the output of the mtrace functions.
 111 ifneq ($(PERL),no)
 112 install-bin-script = mtrace
 113 generated += mtrace
 114
 115 # The Perl script will print addresses and to do this nicely we must know
 116 # whether we are on a 32 or 64 bit machine.
 117 ifneq ($(findstring wordsize-32,$(config-sysdirs)),)
 118 address-width=10
 119 else
 120 address-width=18
 121 endif
 122 endif
 123
 124 # Unless we get a test for the availability of libgd which also works
 125 # for cross-compiling we disable the memusagestat generation in this
 126 # situation.
 127 ifneq ($(cross-compiling),yes)
 128 # If the gd library is available we build the `memusagestat' program.
 129 ifneq ($(LIBGD),no)
 130 others: $(objpfx)memusage
 131 install-bin = memusagestat
 132 install-bin-script += memusage
 133 generated += memusagestat memusage
 134 extra-objs += memusagestat.o
 135
 136 # The configure.ac check for libgd and its headers did not use $SYSINCLUDES.
 137 # The directory specified by --with-headers usually contains only the basic
 138 # kernel interface headers, not something like libgd.  So the simplest thing
 139 # is to presume that the standard system headers will be ok for this file.
 140 $(objpfx)memusagestat.o: sysincludes = # nothing
 141 endif
 142 endif
 143
 144 # Another goal which can be used to override the configure decision.
 145 .PHONY: do-memusagestat
 146 do-memusagestat: $(objpfx)memusagestat
 147
 148 memusagestat-modules = memusagestat
 149
 150 cpp-srcs-left := $(memusagestat-modules)
 151 lib := memusagestat
 152 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
 153
 154 $(objpfx)memusagestat: $(memusagestat-modules:%=$(objpfx)%.o)
 155         $(LINK.o) -o $@ $^ $(libgd-LDFLAGS) -lgd -lpng -lz -lm
 156
 157 ifeq ($(run-built-tests),yes)
 158 ifeq (yes,$(build-shared))
 159 ifneq ($(PERL),no)
 160 tests-special += $(objpfx)tst-mtrace.out
 161 tests-special += $(objpfx)tst-dynarray-mem.out
 162 tests-special += $(objpfx)tst-dynarray-fail-mem.out
 163 endif
 164 endif
 165 endif
 166
 167 include ../Rules
 168
 169 CFLAGS-mcheck-init.c += $(PIC-ccflag)
 170 CFLAGS-obstack.c += $(uses-callbacks)
 171
 172 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
 173         -rm -f $@
 174         $(patsubst %/,cd % &&,$(objpfx)) \
 175         $(LN_S) $(<F) $(@F)
 176
 177 lib: $(objpfx)libmcheck.a
 178
 179 ifeq ($(run-built-tests),yes)
 180 ifeq (yes,$(build-shared))
 181 ifneq ($(PERL),no)
 182 $(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
 183         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 184                  '$(run-program-env)' '$(test-program-prefix-after-env)' > $@; \
 185         $(evaluate-test)
 186 endif
 187 endif
 188 endif
 189
 190 tst-mcheck-ENV = MALLOC_CHECK_=3
 191 tst-malloc-usable-ENV = MALLOC_CHECK_=3
 192 tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)
 193 tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3
 194 tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV)
 195
 196 ifeq ($(experimental-malloc),yes)
 197 CPPFLAGS-malloc.c += -DUSE_TCACHE=1
 198 else
 199 CPPFLAGS-malloc.c += -DUSE_TCACHE=0
 200 endif
 201 # Uncomment this for test releases.  For public releases it is too expensive.
 202 #CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1
 203
 204 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 205
 206 $(objpfx)mtrace: mtrace.pl
 207         rm -f $@.new
 208         sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \
 209             -e 's|@VERSION@|$(version)|' \
 210             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 211             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 212         && rm -f $@ && mv $@.new $@ && chmod +x $@
 213
 214 $(objpfx)memusage: memusage.sh
 215         rm -f $@.new
 216         sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
 217             -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
 218             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 219             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 220         && rm -f $@ && mv $@.new $@ && chmod +x $@
 221
 222
 223 # The implementation uses `dlsym'
 224 $(objpfx)libmemusage.so: $(libdl)
 225
 226 # Extra dependencies
 227 $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c
 228
 229 # Compile the tests with a flag which suppresses the mallopt call in
 230 # the test skeleton.
 231 $(tests:%=$(objpfx)%.o): CPPFLAGS += -DTEST_NO_MALLOPT
 232
 233 $(objpfx)tst-interpose-nothread: $(objpfx)tst-interpose-aux-nothread.o
 234 $(objpfx)tst-interpose-thread: \
 235   $(objpfx)tst-interpose-aux-thread.o $(shared-thread-library)
 236 $(objpfx)tst-interpose-static-nothread: $(objpfx)tst-interpose-aux-nothread.o
 237 $(objpfx)tst-interpose-static-thread: \
 238   $(objpfx)tst-interpose-aux-thread.o $(static-thread-library)
 239
 240 tst-dynarray-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray.mtrace
 241 $(objpfx)tst-dynarray-mem.out: $(objpfx)tst-dynarray.out
 242         $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray.mtrace > $@; \
 243         $(evaluate-test)
 244
 245 tst-dynarray-fail-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray-fail.mtrace
 246 $(objpfx)tst-dynarray-fail-mem.out: $(objpfx)tst-dynarray-fail.out
 247         $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray-fail.mtrace > $@; \
 248         $(evaluate-test)
 249
 250 $(objpfx)tst-malloc-tcache-leak: $(shared-thread-library)
 251 $(objpfx)tst-malloc_info: $(shared-thread-library)