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