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