malloc/Makefile

   1 # Copyright (C) 1991-2016 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 test-srcs = tst-mtrace
  35
  36 routines = malloc morecore mcheck mtrace obstack \
  37   scratch_buffer_grow scratch_buffer_grow_preserve \
  38   scratch_buffer_set_array_size
  39
  40 install-lib := libmcheck.a
  41 non-lib.a := libmcheck.a
  42
  43 # Additional library.
  44 extra-libs = libmemusage
  45 extra-libs-others = $(extra-libs)
  46
  47 libmemusage-routines = memusage
  48 libmemusage-inhibit-o = $(filter-out .os,$(object-suffixes))
  49
  50 $(objpfx)tst-malloc-backtrace: $(shared-thread-library)
  51 $(objpfx)tst-malloc-thread-exit: $(shared-thread-library)
  52 $(objpfx)tst-malloc-thread-fail: $(shared-thread-library)
  53 $(objpfx)tst-malloc-fork-deadlock: $(shared-thread-library)
  54
  55 # These should be removed by `make clean'.
  56 extra-objs = mcheck-init.o libmcheck.a
  57
  58 # Include the cleanup handler.
  59 aux := set-freeres thread-freeres
  60
  61 # The Perl script to analyze the output of the mtrace functions.
  62 ifneq ($(PERL),no)
  63 install-bin-script = mtrace
  64 generated += mtrace
  65
  66 # The Perl script will print addresses and to do this nicely we must know
  67 # whether we are on a 32 or 64 bit machine.
  68 ifneq ($(findstring wordsize-32,$(config-sysdirs)),)
  69 address-width=10
  70 else
  71 address-width=18
  72 endif
  73 endif
  74
  75 # Unless we get a test for the availability of libgd which also works
  76 # for cross-compiling we disable the memusagestat generation in this
  77 # situation.
  78 ifneq ($(cross-compiling),yes)
  79 # If the gd library is available we build the `memusagestat' program.
  80 ifneq ($(LIBGD),no)
  81 others: $(objpfx)memusage
  82 install-bin = memusagestat
  83 install-bin-script += memusage
  84 generated += memusagestat memusage
  85 extra-objs += memusagestat.o
  86
  87 # The configure.ac check for libgd and its headers did not use $SYSINCLUDES.
  88 # The directory specified by --with-headers usually contains only the basic
  89 # kernel interface headers, not something like libgd.  So the simplest thing
  90 # is to presume that the standard system headers will be ok for this file.
  91 $(objpfx)memusagestat.o: sysincludes = # nothing
  92 endif
  93 endif
  94
  95 # Another goal which can be used to override the configure decision.
  96 .PHONY: do-memusagestat
  97 do-memusagestat: $(objpfx)memusagestat
  98
  99 memusagestat-modules = memusagestat
 100
 101 cpp-srcs-left := $(memusagestat-modules)
 102 lib := memusagestat
 103 include $(patsubst %,$(..)cppflags-iterator.mk,$(cpp-srcs-left))
 104
 105 $(objpfx)memusagestat: $(memusagestat-modules:%=$(objpfx)%.o)
 106         $(LINK.o) -o $@ $^ $(libgd-LDFLAGS) -lgd -lpng -lz -lm
 107
 108 ifeq ($(run-built-tests),yes)
 109 ifeq (yes,$(build-shared))
 110 ifneq ($(PERL),no)
 111 tests-special += $(objpfx)tst-mtrace.out
 112 endif
 113 endif
 114 endif
 115
 116 include ../Rules
 117
 118 # Support references to removed APIs.  We use #pragma GCC poison in
 119 # <stdc-predef.h> to make it difficult to reference them.  For select
 120 # source files, we work around this poisoning by defining a macro on
 121 # the command line (which is processed before <stdc-predef.h> and can
 122 # therefore use tokens poisoned later).
 123 poisoned_apis = \
 124   __malloc_initialize_hook \
 125
 126 unpoisoned_api_defines := \
 127   $(foreach sym,$(poisoned_apis), \
 128     $(patsubst %,-Dold%, $(sym))=$(sym))
 129 CPPFLAGS-malloc.c = $(unpoisoned_api_defines)
 130 CPPFLAGS-mcheck-init.c = $(unpoisoned_api_defines)
 131
 132 CFLAGS-mcheck-init.c = $(PIC-ccflag)
 133 CFLAGS-obstack.c = $(uses-callbacks)
 134
 135 $(objpfx)libmcheck.a: $(objpfx)mcheck-init.o
 136         -rm -f $@
 137         $(patsubst %/,cd % &&,$(objpfx)) \
 138         $(LN_S) $(<F) $(@F)
 139
 140 lib: $(objpfx)libmcheck.a
 141
 142 ifeq ($(run-built-tests),yes)
 143 ifeq (yes,$(build-shared))
 144 ifneq ($(PERL),no)
 145 $(objpfx)tst-mtrace.out: tst-mtrace.sh $(objpfx)tst-mtrace
 146         $(SHELL) $< $(common-objpfx) '$(test-program-prefix-before-env)' \
 147                  '$(run-program-env)' '$(test-program-prefix-after-env)' ; \
 148         $(evaluate-test)
 149 endif
 150 endif
 151 endif
 152
 153 tst-mcheck-ENV = MALLOC_CHECK_=3
 154 tst-malloc-usable-ENV = MALLOC_CHECK_=3
 155
 156 # Uncomment this for test releases.  For public releases it is too expensive.
 157 #CPPFLAGS-malloc.o += -DMALLOC_DEBUG=1
 158
 159 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 160
 161 $(objpfx)mtrace: mtrace.pl
 162         rm -f $@.new
 163         sed -e 's|@PERL@|$(PERL)|' -e 's|@XXX@|$(address-width)|' \
 164             -e 's|@VERSION@|$(version)|' \
 165             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 166             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 167         && rm -f $@ && mv $@.new $@ && chmod +x $@
 168
 169 $(objpfx)memusage: memusage.sh
 170         rm -f $@.new
 171         sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
 172             -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
 173             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 174             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 175         && rm -f $@ && mv $@.new $@ && chmod +x $@
 176
 177
 178 # The implementation uses `dlsym'
 179 $(objpfx)libmemusage.so: $(libdl)
 180
 181 # Extra dependencies
 182 $(foreach o,$(all-object-suffixes),$(objpfx)malloc$(o)): arena.c hooks.c