nptl/Makefile

   1 # Copyright (C) 2002, 2003 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, write to the Free
  16 # Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  17 # 02111-1307 USA.
  18
  19 #
  20 #       Sub-makefile for NPTL portion of the library.
  21 #
  22 subdir  := nptl
  23
  24 nptl-version := $(shell sed -n 's/^[^0-9]* \([0-9.]*\).*$$/\1/p' Banner)
  25
  26 headers := pthread.h semaphore.h bits/semaphore.h
  27
  28 extra-libs := libpthread
  29 extra-libs-others := $(extra-libs)
  30 install-lib-ldscripts := libpthread.so
  31
  32 routines = alloca_cutoff forward libc-lowlevellock libc-lowlevelmutex \
  33            libc-cancellation
  34 shared-only-routines = forward
  35
  36 libpthread-routines = init events version \
  37                       pthread_create pthread_exit pthread_detach \
  38                       pthread_join pthread_tryjoin pthread_timedjoin \
  39                       pthread_self pthread_equal pthread_yield \
  40                       pthread_getconcurrency pthread_setconcurrency \
  41                       pthread_getschedparam pthread_setschedparam \
  42                       pthread_attr_init pthread_attr_destroy \
  43                       pthread_attr_getdetachstate pthread_attr_setdetachstate \
  44                       pthread_attr_getguardsize pthread_attr_setguardsize \
  45                       pthread_attr_getschedparam pthread_attr_setschedparam \
  46                       pthread_attr_getschedpolicy pthread_attr_setschedpolicy \
  47                       pthread_attr_getinheritsched \
  48                       pthread_attr_setinheritsched \
  49                       pthread_attr_getscope pthread_attr_setscope \
  50                       pthread_attr_getstackaddr pthread_attr_setstackaddr \
  51                       pthread_attr_getstacksize pthread_attr_setstacksize \
  52                       pthread_attr_getstack pthread_attr_setstack \
  53                       pthread_getattr_np \
  54                       pthread_mutex_init pthread_mutex_destroy \
  55                       pthread_mutex_lock pthread_mutex_trylock \
  56                       pthread_mutex_timedlock pthread_mutex_unlock \
  57                       pthread_mutexattr_init pthread_mutexattr_destroy \
  58                       pthread_mutexattr_getpshared \
  59                       pthread_mutexattr_setpshared \
  60                       pthread_mutexattr_gettype pthread_mutexattr_settype \
  61                       pthread_rwlock_init pthread_rwlock_destroy \
  62                       pthread_rwlock_rdlock pthread_rwlock_timedrdlock \
  63                       pthread_rwlock_wrlock pthread_rwlock_timedwrlock \
  64                       pthread_rwlock_tryrdlock pthread_rwlock_trywrlock \
  65                       pthread_rwlock_unlock \
  66                       pthread_rwlockattr_init pthread_rwlockattr_destroy \
  67                       pthread_rwlockattr_getpshared \
  68                       pthread_rwlockattr_setpshared \
  69                       pthread_rwlockattr_getkind_np \
  70                       pthread_rwlockattr_setkind_np \
  71                       pthread_cond_init pthread_cond_destroy \
  72                       pthread_cond_wait pthread_cond_timedwait \
  73                       pthread_cond_signal pthread_cond_broadcast \
  74                       old_pthread_cond_init old_pthread_cond_destroy \
  75                       old_pthread_cond_wait old_pthread_cond_timedwait \
  76                       old_pthread_cond_signal old_pthread_cond_broadcast \
  77                       pthread_condattr_init pthread_condattr_destroy \
  78                       pthread_condattr_getpshared pthread_condattr_setpshared \
  79                       pthread_condattr_getclock pthread_condattr_setclock \
  80                       pthread_spin_init pthread_spin_destroy \
  81                       pthread_spin_lock pthread_spin_trylock \
  82                       pthread_spin_unlock \
  83                       pthread_barrier_init pthread_barrier_destroy \
  84                       pthread_barrier_wait \
  85                       pthread_barrierattr_init pthread_barrierattr_destroy \
  86                       pthread_barrierattr_getpshared \
  87                       pthread_barrierattr_setpshared \
  88                       pthread_key_create pthread_key_delete \
  89                       pthread_getspecific pthread_setspecific \
  90                       pthread_sigmask pthread_kill \
  91                       pthread_cancel pthread_testcancel \
  92                       pthread_setcancelstate pthread_setcanceltype \
  93                       pthread_once \
  94                       old_pthread_atfork pthread_atfork \
  95                       pthread_getcpuclockid \
  96                       pthread_clock_gettime pthread_clock_settime \
  97                       sem_init sem_destroy \
  98                       sem_open sem_close sem_unlink \
  99                       sem_getvalue \
 100                       sem_wait sem_trywait sem_timedwait sem_post \
 101                       cleanup cleanup_defer cleanup_compat \
 102                       cleanup_defer_compat unwind \
 103                       pt-longjmp \
 104                       cancellation \
 105                       lowlevellock lowlevelmutex \
 106                       pt-vfork \
 107                       ptw-write ptw-read ptw-close ptw-fcntl ptw-accept \
 108                       ptw-connect ptw-recv ptw-recvfrom ptw-recvmsg ptw-send \
 109                       ptw-sendmsg ptw-sendto ptw-fsync ptw-lseek ptw-llseek \
 110                       ptw-msync ptw-nanosleep ptw-open ptw-open64 ptw-pause \
 111                       ptw-pread ptw-pread64 ptw-pwrite ptw-pwrite64 \
 112                       ptw-tcdrain ptw-wait ptw-waitpid ptw-msgrcv ptw-msgsnd \
 113                       ptw-sigwait \
 114                       pt-raise pt-system \
 115                       flockfile ftrylockfile funlockfile \
 116                       sigaction \
 117                       herrno res pt-allocrtsig \
 118                       pthread_kill_other_threads \
 119                       pthread_getaffinity pthread_setaffinity
 120
 121 libpthread-shared-only-routines = version pt-allocrtsig
 122 libpthread-static-only-routines = pthread_atfork
 123
 124 libpthread-nonshared = pthread_atfork
 125
 126 CFLAGS-pthread_atfork.c = -DNOT_IN_libc
 127 CFLAGS-init.c = -fexceptions -fasynchronous-unwind-tables
 128 CFLAGS-unwind.c = -fexceptions
 129 CFLAGS-pthread_testcancel.c = -fexceptions
 130 CFLAGS-pthread_join.c = -fexceptions -fasynchronous-unwind-tables
 131 CFLAGS-pthread_timedjoin.c = -fexceptions -fasynchronous-unwind-tables
 132 CFLAGS-pthread_cond_wait.c = -fexceptions -fasynchronous-unwind-tables
 133 CFLAGS-pthread_cond_timedwait.c = -fexceptions -fasynchronous-unwind-tables
 134 CFLAGS-cancellation.c = -fasynchronous-unwind-tables
 135 CFLAGS-libc-cancellation.c = -fasynchronous-unwind-tables
 136
 137 # Don't generate deps for calls with no sources.  See sysdeps/unix/Makefile.
 138 omit-deps = $(unix-syscalls:%=ptw-%)
 139
 140
 141 tests = tst-attr1 tst-attr2 \
 142         tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
 143         tst-mutex7 \
 144         tst-spin1 tst-spin2 tst-spin3 \
 145         tst-cond1 tst-cond2 tst-cond3 tst-cond4 tst-cond5 tst-cond6 tst-cond7 \
 146         tst-cond8 tst-cond9 tst-cond10 tst-cond11 \
 147         tst-rwlock1 tst-rwlock2 tst-rwlock3 tst-rwlock4 tst-rwlock5 \
 148         tst-rwlock6 tst-rwlock7 tst-rwlock8 tst-rwlock9 tst-rwlock10 \
 149         tst-rwlock11 \
 150         tst-once1 tst-once2 tst-once3 tst-once4 \
 151         tst-key1 tst-key2 tst-key3 tst-key4 \
 152         tst-sem1 tst-sem2 tst-sem3 tst-sem4 tst-sem5 tst-sem6 \
 153         tst-barrier1 tst-barrier2 tst-barrier3 \
 154         tst-align \
 155         tst-basic1 tst-basic2 tst-basic3 tst-basic4 tst-basic5 tst-basic6 \
 156         tst-kill1 tst-kill2 tst-kill3 tst-kill4 tst-kill5 tst-kill6 \
 157         tst-join1 tst-join2 tst-join3 tst-join4 tst-join5 \
 158         tst-detach1 \
 159         tst-eintr1 \
 160         tst-tsd1 tst-tsd2 tst-tsd3 tst-tsd4 \
 161         tst-tls1 tst-tls2 \
 162         tst-fork1 tst-fork2 tst-fork3 tst-fork4 \
 163         tst-atfork1 \
 164         tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
 165         tst-cancel6 tst-cancel7 tst-cancel8 tst-cancel9 tst-cancel10 \
 166         tst-cancel11 \
 167         tst-cleanup0 tst-cleanup1 tst-cleanup2 tst-cleanup3 \
 168         tst-flock1 tst-flock2 \
 169         tst-signal1 tst-signal2 tst-signal3 tst-signal4 tst-signal5 \
 170         tst-exec1 tst-exec2 tst-exec3 \
 171         tst-exit1 \
 172         tst-stdio1 tst-stdio2 \
 173         tst-stack1 \
 174         tst-unload \
 175         tst-dlsym1 \
 176         tst-sysconf \
 177         tst-locale1 tst-locale2 \
 178         tst-umask1 \
 179         tst-popen1 \
 180         tst-clock1 \
 181         tst-context1
 182
 183 distribute = eintr.c
 184
 185 gen-as-const-headers = pthread-errnos.sym
 186
 187 LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst
 188
 189
 190 include ../Makeconfig
 191
 192 ifeq ($(build-shared),yes)
 193 tests += tst-atfork2 tst-tls3
 194 endif
 195
 196 modules-names = tst-atfork2mod tst-tls3mod
 197 extra-objs += $(addsuffix .os,$(strip $(modules-names)))
 198 test-extras += $(modules-names)
 199 test-modules = $(addprefix $(objpfx),$(addsuffix .so,$(modules-names)))
 200
 201 $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds
 202         $(build-module)
 203
 204 ifeq ($(build-shared),yes)
 205 others: $(objpfx)libpthread_nonshared.a
 206 endif
 207
 208 $(objpfx)libpthread_nonshared.a: $(addprefix $(objpfx),$(addsuffix .os,$(libpthread-nonshared)))
 209         $(AR) $(ARFLAGS) $@ $^
 210
 211 ifeq ($(build-shared),yes)
 212
 213 # Set the `multidir' variable by grabbing the variable from the compiler.
 214 # We do it once and save the result in a generated makefile.
 215 -include $(objpfx)multidir.mk
 216 $(objpfx)multidir.mk: $(common-objpfx)config.make
 217         dir=`$(CC) $(CFLAGS) $(CPPFLAGS) -print-multi-directory`; \
 218         echo "multidir := $$dir" > $@T
 219         mv -f $@T $@
 220
 221 crti-objs := crti.o
 222 crtn-objs := crtn.o
 223 ifneq (,$(patsubst .,,$(multidir)))
 224 generated-dirs := $(firstword $(subst /, , $(multidir)))
 225 crti-objs += $(multidir)/crti.o
 226 crtn-objs += $(multidir)/crtn.o
 227 omit-deps += $(multidir)/crti $(multidir)/crtn
 228 $(objpfx)$(multidir):
 229         mkdir $@
 230 endif
 231 extra-objs += $(crti-objs) $(crtn-objs)
 232 omit-deps += crti crtn
 233
 234 CFLAGS-pt-initfini.s = -g0 -fPIC -fno-inline-functions
 235 endif
 236
 237 CFLAGS-flockfile.c = -D_IO_MTSAFE_IO
 238 CFLAGS-ftrylockfile.c = -D_IO_MTSAFE_IO
 239 CFLAGS-funlockfile.c = -D_IO_MTSAFE_IO
 240
 241 # Ugly, ugly.  We have to link with libgcc_eh but how?
 242 link-libc-static := $(common-objpfx)libc.a $(gnulib) -lgcc_eh $(common-objpfx)libc.a
 243
 244 ifeq ($(build-static),yes)
 245 tests-static += tst-locale1 tst-locale2
 246 endif
 247 # These tests are linked with libc before libpthread
 248 tests-reverse += tst-cancel5
 249
 250 include ../Rules
 251
 252 ifeq (yes,$(build-shared))
 253 # Make sure these things are built in the `make lib' pass so they can be used
 254 # to run programs during the `make others' pass.
 255 lib-noranlib: $(addprefix $(objpfx),$(extra-objs))
 256
 257 # What we install as libpthread.so for programs to link against is in fact a
 258 # link script.  It contains references for the various libraries we need.
 259 # The libpthread.so object is not complete since some functions are only
 260 # defined in libpthread_nonshared.a.
 261 # We need to use absolute paths since otherwise local copies (if they exist)
 262 # of the files are taken by the linker.
 263 install: $(inst_libdir)/libpthread.so
 264
 265 $(inst_libdir)/libpthread.so: $(common-objpfx)format.lds \
 266                               $(objpfx)libpthread.so$(libpthread.so-version) \
 267                               $(inst_libdir)/$(patsubst %,$(libtype.oS),\
 268                                                         $(libprefix)pthread) \
 269                               $(+force)
 270         (echo '/* GNU ld script';\
 271          echo '   Use the shared library, but some functions are only in';\
 272          echo '   the static library, so try that secondarily.  */';\
 273          cat $<; \
 274          echo 'GROUP ( $(slibdir)/libpthread.so$(libpthread.so-version)' \
 275               '$(libdir)/$(patsubst %,$(libtype.oS),$(libprefix)pthread)'\
 276               ')' \
 277         ) > $@.new
 278         mv -f $@.new $@
 279 $(inst_libdir)/libpthread_nonshared.a: $(objpfx)libpthread_nonshared.a
 280         $(do-install)
 281 endif
 282
 283
 284 # 'pthread_self' is a simple memory or register load.  Setting up the
 285 # stack frame is more work than the actual operation.  Disable the
 286 # frame creation entirely.  This will help applications which call the
 287 # function frequently to get a thread-specific handle.
 288 CFLAGS-pthread_self.os += -fomit-frame-pointer
 289
 290 CFLAGS-tst-unload.c += -DPREFIX=\"$(objpfx)\"
 291
 292 tst-cancel7-ARGS = --command "$(built-program-cmd)"
 293 tst-umask1-ARGS = $(objpfx)tst-umask1.temp
 294
 295 $(objpfx)tst-atfork2: $(libdl) $(shared-thread-library)
 296 LDFLAGS-tst-atfork2 = -rdynamic
 297 tst-atfork2-ENV = MALLOC_TRACE=$(objpfx)tst-atfork2.mtrace
 298 $(objpfx)tst-atfork2mod.so: $(shared-thread-library)
 299
 300 $(objpfx)tst-tls3: $(libdl) $(shared-thread-library)
 301 LDFLAGS-tst-tls3 = -rdynamic
 302 $(objpfx)tst-tls3.out: $(objpfx)tst-tls3mod.so
 303 $(objpfx)tst-tls3mod.so: $(shared-thread-library)
 304
 305 $(objpfx)tst-dlsym1: $(libdl) $(shared-thread-library)
 306
 307 ifeq (yes,$(build-shared))
 308 $(objpfx)tst-cond11: $(common-objpfx)rt/librt.so
 309 else
 310 $(objpfx)tst-cond11: $(common-objpfx)rt/librt.a
 311 endif
 312
 313 extra-B-pthread.so = -B$(common-objpfx)nptl/
 314 $(objpfx)libpthread.so: $(addprefix $(objpfx),$(crti-objs) $(crtn-objs))
 315 $(objpfx)libpthread.so: +preinit += $(addprefix $(objpfx),$(crti-objs))
 316 $(objpfx)libpthread.so: +postinit += $(addprefix $(objpfx),$(crtn-objs))
 317
 318 # Depend on libc.so so a DT_NEEDED is generated in the shared objects.
 319 # This ensures they will load libc.so for needed symbols if loaded by
 320 # a statically-linked program that hasn't already loaded it.
 321 # Depend on ld.so too to get proper versions of ld.so symbols.
 322 $(objpfx)libpthread.so: $(common-objpfx)libc.so \
 323                         $(common-objpfx)libc_nonshared.a \
 324                         $(if $(filter yes,$(elf)), $(elfobjdir)/ld.so)
 325
 326 # Make sure we link with the thread library.
 327 ifeq ($(build-shared),yes)
 328 $(addprefix $(objpfx), \
 329   $(filter-out $(tests-static) $(tests-reverse), \
 330     $(tests) $(test-srcs))): $(objpfx)libpthread.so \
 331                              $(objpfx)libpthread_nonshared.a
 332 $(objpfx)tst-unload: $(common-objpfx)dlfcn/libdl.so
 333 # $(objpfx)../libc.so is used instead of $(common-objpfx)libc.so,
 334 # since otherwise libpthread.so comes before libc.so when linking.
 335 $(addprefix $(objpfx), $(tests-reverse)): \
 336   $(objpfx)../libc.so $(objpfx)libpthread.so \
 337   $(objpfx)libpthread_nonshared.a
 338 $(objpfx)../libc.so: $(common-objpfx)libc.so ;
 339 $(addprefix $(objpfx),$(tests-static)): $(objpfx)libpthread.a
 340
 341 $(objpfx)tst-atfork2.out: $(objpfx)tst-atfork2mod.so
 342 else
 343 $(addprefix $(objpfx),$(tests) $(test-srcs)): $(objpfx)libpthread.a
 344 endif
 345
 346 ifeq ($(build-shared),yes)
 347 vpath pt-initfini.c $(full_config_sysdirs)
 348
 349 $(objpfx)pt-initfini.s: pt-initfini.c
 350         $(compile.c) -S $(CFLAGS-pt-initfini.s) -finhibit-size-directive \
 351                 $(patsubst -f%,-fno-%,$(exceptions)) -o $@
 352
 353 $(objpfx)tst-cleanup0.out: /dev/null $(objpfx)tst-cleanup0
 354         $(make-test-out) 2>&1 | cmp - tst-cleanup0.expect >& $@
 355
 356 # We only have one kind of startup code files.  Static binaries and
 357 # shared libraries are build using the PIC version.
 358 $(objpfx)crti.S: $(objpfx)pt-initfini.s
 359         sed -n -e '1,/@HEADER_ENDS/p' \
 360                -e '/@_.*_PROLOG_BEGINS/,/@_.*_PROLOG_ENDS/p' \
 361                -e '/@TRAILER_BEGINS/,$$p' $< > $@
 362 $(objpfx)crtn.S: $(objpfx)pt-initfini.s
 363         sed -n -e '1,/@HEADER_ENDS/p' \
 364                -e '/@_.*_EPILOG_BEGINS/,/@_.*_EPILOG_ENDS/p' \
 365                -e '/@TRAILER_BEGINS/,$$p' $< > $@
 366
 367 $(objpfx)defs.h: $(objpfx)pt-initfini.s
 368         sed -n -e '/@TESTS_BEGIN/,/@TESTS_END/p' $< | \
 369                 $(AWK) -f ../csu/defs.awk > $@
 370
 371 $(objpfx)crti.o: $(objpfx)crti.S $(objpfx)defs.h
 372         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
 373
 374 $(objpfx)crtn.o: $(objpfx)crtn.S $(objpfx)defs.h
 375         $(compile.S) -g0 $(ASFLAGS-.os) -o $@
 376
 377 ifneq ($(multidir),.)
 378 $(objpfx)$(multidir)/crti.o: $(objpfx)crti.o $(objpfx)$(multidir)/
 379         ln -f $< $@
 380
 381 $(objpfx)$(multidir)/crtn.o: $(objpfx)crtn.o $(objpfx)$(multidir)/
 382         ln -f $< $@
 383 endif
 384
 385 generated += crti.S crtn.S defs.h pt-initfini.s
 386
 387 generated += $(objpfx)tst-atfork2.mtrace \
 388              $(addsuffix .so,$(strip $(modules-names)))
 389
 390 $(objpfx)version.d: $(objpfx)banner.h
 391 $(objpfx)version.os: $(objpfx)banner.h
 392 $(objpfx)banner.h: Banner
 393         sed 's/\(.*\)/"\1\\n"/' $< > $@
 394 generated += banner.h
 395 # Give libpthread.so an entry point and make it directly runnable itself.
 396 LDFLAGS-pthread.so += -e __nptl_main
 397 endif
 398
 399 ifeq (no,$(cross-compiling))
 400 ifeq (yes,$(build-shared))
 401 tests: $(objpfx)tst-cancel-wrappers.out
 402 $(objpfx)tst-cancel-wrappers.out: tst-cancel-wrappers.sh
 403         $(SHELL) $< $(common-objpfx)libc_pic.a \
 404                     $(common-objpfx)libc.a \
 405                     $(objpfx)libpthread_pic.a \
 406                     $(objpfx)libpthread.a > $@
 407 endif
 408 endif