malloc/Makefile

   1 # Copyright (C) 1991-2017 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 := $(dist-headers) obstack.h mcheck.h
  27 tests := mallocbug tst-malloc tst-valloc tst-calloc tst-obstack \
  28          tst-mcheck tst-mallocfork tst-trim1 \
  29          tst-malloc-usable tst-realloc tst-reallocarray tst-posix_memalign \
  30          tst-pvalloc tst-memalign tst-mallopt \
  31          tst-malloc-backtrace tst-malloc-thread-exit \
  32          tst-malloc-thread-fail tst-malloc-fork-deadlock \
  33          tst-mallocfork2 \
  34          tst-interpose-nothread \
  35          tst-interpose-thread \
  36          tst-alloc_buffer \
  37          tst-malloc-tcache-leak \
  38          tst-malloc_info \
  39
  40 tests-static := \
  41          tst-interpose-static-nothread \
  42          tst-interpose-static-thread \
  43          tst-malloc-usable-static \
  44
  45 tests-internal := tst-mallocstate tst-scratch_buffer
  46
  47 # The dynarray framework is only available inside glibc.
  48 tests-internal += \
  49          tst-dynarray \
  50          tst-dynarray-fail \
  51          tst-dynarray-at-fail \
  52
  53 ifneq (no,$(have-tunables))
  54 tests += tst-malloc-usable-tunables
  55 tests-static += tst-malloc-usable-static-tunables
  56 endif
  57
  58 tests += $(tests-static)
  59 test-srcs = tst-mtrace
  60
  61 routines = malloc morecore mcheck mtrace obstack reallocarray \
  62   scratch_buffer_grow scratch_buffer_grow_preserve \
  63   scratch_buffer_set_array_size \
  64   dynarray_at_failure \
  65   dynarray_emplace_enlarge \
  66   dynarray_finalize \
  67   dynarray_resize \
  68   dynarray_resize_clear \
  69   alloc_buffer_alloc_array \
  70   alloc_buffer_allocate \
  71   alloc_buffer_copy_bytes  \
  72   alloc_buffer_copy_string \
  73   alloc_buffer_create_failure \
  74
  75 install-lib := libmcheck.a
  76 non-lib.a := libmcheck.a
  77
  78 # Additional library.
  79 extra-libs = libmemusage
  80 extra-libs-others = $(extra-libs)
  81
  82 # Helper objects for some tests.
  83 extra-tests-objs += \
  84   tst-interpose-aux-nothread.o \
  85   tst-interpose-aux-thread.o \
  86
  87 test-extras = \
  88   tst-interpose-aux-nothread \
  89   tst-interpose-aux-thread \
  90
  91 libmemusage-routines = memusage
  92 libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
  93
  94 $(objpfx)tst-malloc-backtrace: $(shared-thread-library)
  95 $(objpfx)tst-malloc-thread-exit: $(shared-thread-library)
  96 $(objpfx)tst-malloc-thread-fail: $(shared-thread-library)
  97 $(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)
  98
  99 # Export the __malloc_initialize_hook variable to libc.so.
 100 LDFLAGS-tst-mallocstate = -rdynamic
 101
 102 # These should be removed by `make clean'.
 103 extra-objs = mcheck-init.o libmcheck.a
 104 others-extras = mcheck-init.o
 105
 106 # Include the cleanup handler.
 107 aux := set-freeres thread-freeres
 108
 109 # The Perl script to analyze the output of the mtrace functions.
 110 ifneq ($(PERL),no)
 111 install-bin-script = mtrace
 112 generated += mtrace
 113
 114 # The Perl script will print addresses and to do this nicely we must know
 115 # whether we are on a 32 or 64 bit machine.
 116 ifneq ($(findstring wordsize-32,$(config-sysdirs)),)
 117 address-width=10
 118 else
 119 address-width=18
 120 endif
 121 endif
 122
 123 # Unless we get a test for the availability of libgd which also works
 124 # for cross-compiling we disable the memusagestat generation in this
 125 # situation.
 126 ifneq ($(cross-compiling),yes)
 127 # If the gd library is available we build the `memusagestat' program.
 128 ifneq ($(LIBGD),no)
 129 others: $(objpfx)memusage
 130 install-bin = memusagestat
 131 install-bin-script += memusage
 132 generated += memusagestat memusage
 133 extra-objs += memusagestat.o
 134
 135 # The configure.ac check for libgd and its headers did not use $SYSINCLUDES.
 136 # The directory specified by --with-headers usually contains only the basic
 137 # kernel interface headers, not something like libgd.  So the simplest thing
 138 # is to presume that the standard system headers will be ok for this file.
 139 $(objpfx)memusagestat.o: sysincludes = # nothing
 140 endif
 141 endif
 142
 143 # Another goal which can be used to override the configure decision.
 144 .PHONY: do-memusagestat
 145 do-memusagestat: $(objpfx)memusagestat
 146
 147 memusagestat-modules = memusagestat
 148
 149 cpp-srcs-left := $(memusagestat-modules)
 150 lib := memusagestat
 151 include $(patsubst %,$(..)libof-iterator.mk,$(cpp-srcs-left))
 152
 153 $(objpfx)memusagestat: $(memusagestat-modules:%=$(objpfx)%.o)
 154         $(LINK.o) -o $@ $^ $(libgd-LDFLAGS) -lgd -lpng -lz -lm
 155
 156 ifeq ($(run-built-tests),yes)
 157 ifeq (yes,$(build-shared))
 158 ifneq ($(PERL),no)
 159 tests-special += $(objpfx)tst-mtrace.out
 160 tests-special += $(objpfx)tst-dynarray-mem.out
 161 tests-special += $(objpfx)tst-dynarray-fail-mem.out
 162 endif
 163 endif
 164 endif
 165
 166 include ../Rules
 167
 168 CFLAGS-mcheck-init.c += $(PIC-ccflag)
 169 CFLAGS-obstack.c += $(uses-callbacks)
 170
 171 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
 172         -rm -f $@
 173         $(patsubst %/,cd % &&,$(objpfx)) \
 174         $(LN_S) $(<F) $(@F)
 175
 176 lib: $(objpfx)libmcheck.a
 177
 178 ifeq ($(run-built-tests),yes)
 179 ifeq (yes,$(build-shared))
 180 ifneq ($(PERL),no)
 181 $(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
 182         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 183                  '$(run-program-env)' '$(test-program-prefix-after-env)' > $@; \
 184         $(evaluate-test)
 185 endif
 186 endif
 187 endif
 188
 189 tst-mcheck-ENV = MALLOC_CHECK_=3
 190 tst-malloc-usable-ENV = MALLOC_CHECK_=3
 191 tst-malloc-usable-static-ENV = $(tst-malloc-usable-ENV)
 192 tst-malloc-usable-tunables-ENV = GLIBC_TUNABLES=glibc.malloc.check=3
 193 tst-malloc-usable-static-tunables-ENV = $(tst-malloc-usable-tunables-ENV)
 194
 195 ifeq ($(experimental-malloc),yes)
 196 CPPFLAGS-malloc.c += -DUSE_TCACHE=1
 197 else
 198 CPPFLAGS-malloc.c += -DUSE_TCACHE=0
 199 endif
 200 # Uncomment this for test releases.  For public releases it is too expensive.
 201 #CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1
 202
 203 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 204
 205 $(objpfx)mtrace: mtrace.pl
 206         rm -f $@.new
 207         sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \
 208             -e 's|@VERSION@|$(version)|' \
 209             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 210             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 211         && rm -f $@ && mv $@.new $@ && chmod +x $@
 212
 213 $(objpfx)memusage: memusage.sh
 214         rm -f $@.new
 215         sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
 216             -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
 217             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 218             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 219         && rm -f $@ && mv $@.new $@ && chmod +x $@
 220
 221
 222 # The implementation uses `dlsym'
 223 $(objpfx)libmemusage.so: $(libdl)
 224
 225 # Extra dependencies
 226 $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c
 227
 228 # Compile the tests with a flag which suppresses the mallopt call in
 229 # the test skeleton.
 230 $(tests:%=$(objpfx)%.o): CPPFLAGS += -DTEST_NO_MALLOPT
 231
 232 $(objpfx)tst-interpose-nothread: $(objpfx)tst-interpose-aux-nothread.o
 233 $(objpfx)tst-interpose-thread: \
 234   $(objpfx)tst-interpose-aux-thread.o $(shared-thread-library)
 235 $(objpfx)tst-interpose-static-nothread: $(objpfx)tst-interpose-aux-nothread.o
 236 $(objpfx)tst-interpose-static-thread: \
 237   $(objpfx)tst-interpose-aux-thread.o $(static-thread-library)
 238
 239 tst-dynarray-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray.mtrace
 240 $(objpfx)tst-dynarray-mem.out: $(objpfx)tst-dynarray.out
 241         $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray.mtrace > $@; \
 242         $(evaluate-test)
 243
 244 tst-dynarray-fail-ENV = MALLOC_TRACE=$(objpfx)tst-dynarray-fail.mtrace
 245 $(objpfx)tst-dynarray-fail-mem.out: $(objpfx)tst-dynarray-fail.out
 246         $(common-objpfx)malloc/mtrace $(objpfx)tst-dynarray-fail.mtrace > $@; \
 247         $(evaluate-test)
 248
 249 $(objpfx)tst-malloc-tcache-leak: $(shared-thread-library)
 250 $(objpfx)tst-malloc_info: $(shared-thread-library)