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