debug/Makefile

   1 # Copyright (C) 1998-2024 Free Software Foundation, Inc.
   2 # Copyright The GNU Toolchain Authors.
   3 # This file is part of the GNU C Library.
   4
   5 # The GNU C Library is free software; you can redistribute it and/or
   6 # modify it under the terms of the GNU Lesser General Public
   7 # License as published by the Free Software Foundation; either
   8 # version 2.1 of the License, or (at your option) any later version.
   9
  10 # The GNU C Library is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13 # Lesser General Public License for more details.
  14
  15 # You should have received a copy of the GNU Lesser General Public
  16 # License along with the GNU C Library; if not, see
  17 # <https://www.gnu.org/licenses/>.
  18
  19 #
  20 #       Sub-makefile for debug portion of the library.
  21 #
  22 subdir  := debug
  23
  24 include ../Makeconfig
  25
  26 headers := execinfo.h
  27
  28 # Note that ptsname_r_chk and getlogin_r are not here, but in
  29 # login/Makefile instead.  If that subdir is omitted from the
  30 # build, its _FORTIFY_SOURCE support will be too.
  31 routines = \
  32   $(static-only-routines) \
  33   ____longjmp_chk \
  34   asprintf_chk \
  35   backtrace \
  36   backtracesyms \
  37   backtracesymsfd \
  38   chk_fail \
  39   confstr_chk \
  40   dprintf_chk \
  41   explicit_bzero_chk \
  42   fdelt_chk \
  43   fgets_chk \
  44   fgets_u_chk \
  45   fgetws_chk \
  46   fgetws_u_chk \
  47   fortify_fail \
  48   fprintf_chk \
  49   fread_chk \
  50   fread_u_chk \
  51   fwprintf_chk \
  52   getcwd_chk \
  53   getdomainname_chk \
  54   getgroups_chk \
  55   gethostname_chk \
  56   gets_chk \
  57   getwd_chk \
  58   longjmp_chk \
  59   mbsnrtowcs_chk \
  60   mbsrtowcs_chk \
  61   mbstowcs_chk \
  62   memcpy_chk \
  63   memmove_chk \
  64   mempcpy_chk \
  65   memset_chk \
  66   noophooks \
  67   obprintf_chk \
  68   poll_chk \
  69   ppoll_chk \
  70   pread64_chk \
  71   pread_chk \
  72   printf_chk \
  73   read_chk \
  74   readlink_chk \
  75   readlinkat_chk \
  76   readonly-area \
  77   realpath_chk \
  78   recv_chk \
  79   recvfrom_chk \
  80   snprintf_chk \
  81   sprintf_chk \
  82   stack_chk_fail \
  83   stpcpy_chk \
  84   stpncpy_chk \
  85   strcat_chk \
  86   strcpy_chk \
  87   strlcat_chk \
  88   strlcpy_chk \
  89   strncat_chk \
  90   strncpy_chk \
  91   swprintf_chk \
  92   ttyname_r_chk \
  93   vasprintf_chk \
  94   vdprintf_chk \
  95   vfprintf_chk \
  96   vfwprintf_chk \
  97   vobprintf_chk \
  98   vprintf_chk \
  99   vsnprintf_chk \
 100   vsprintf_chk \
 101   vswprintf_chk \
 102   vwprintf_chk \
 103   wcpcpy_chk \
 104   wcpncpy_chk \
 105   wcrtomb_chk \
 106   wcscat_chk \
 107   wcscpy_chk \
 108   wcslcat_chk \
 109   wcslcpy_chk \
 110   wcsncat_chk \
 111   wcsncpy_chk \
 112   wcsnrtombs_chk \
 113   wcsrtombs_chk \
 114   wcstombs_chk \
 115   wctomb_chk \
 116   wmemcpy_chk \
 117   wmemmove_chk \
 118   wmempcpy_chk \
 119   wmemset_chk \
 120   wprintf_chk \
 121   # routines
 122 static-only-routines := stack_chk_fail_local
 123
 124 # Don't add stack_chk_fail_local.o to libc.a since __stack_chk_fail_local
 125 # is an alias of __stack_chk_fail in stack_chk_fail.o.
 126 elide-routines.o := stack_chk_fail_local
 127
 128 # Building the stack-protector failure routines with stack protection
 129 # is not required since we have already failed a stack check and are
 130 # exiting the process.  However, the local aliases which jump to the
 131 # real routines should still be compiled with stack protection
 132 # (stack_chk_fail_local.c), so that the statically linked parts of the
 133 # library have the expected flags.
 134
 135 CFLAGS-stack_chk_fail.c += $(no-stack-protector)
 136
 137 CFLAGS-backtrace.c += -fno-omit-frame-pointer -funwind-tables
 138 CFLAGS-sprintf_chk.c += $(libio-mtsafe)
 139 CFLAGS-snprintf_chk.c += $(libio-mtsafe)
 140 CFLAGS-vsprintf_chk.c += $(libio-mtsafe)
 141 CFLAGS-vsnprintf_chk.c += $(libio-mtsafe)
 142 CFLAGS-asprintf_chk.c += $(libio-mtsafe)
 143 CFLAGS-vasprintf_chk.c += $(libio-mtsafe)
 144 CFLAGS-obprintf_chk.c += $(libio-mtsafe)
 145 CFLAGS-dprintf_chk.c += $(libio-mtsafe) -fexceptions
 146 CFLAGS-vdprintf_chk.c += $(libio-mtsafe) -fexceptions
 147 CFLAGS-printf_chk.c += $(libio-mtsafe) -fexceptions
 148 CFLAGS-fprintf_chk.c += $(libio-mtsafe) -fexceptions
 149 CFLAGS-vprintf_chk.c += $(libio-mtsafe) -fexceptions
 150 CFLAGS-vfprintf_chk.c += $(libio-mtsafe) -fexceptions
 151 CFLAGS-gets_chk.c += $(libio-mtsafe) -fexceptions
 152 CFLAGS-fgets_chk.c += $(libio-mtsafe) -fexceptions
 153 CFLAGS-fgets_u_chk.c += $(libio-mtsafe) -fexceptions
 154 CFLAGS-fread_chk.c += $(libio-mtsafe) -fexceptions
 155 CFLAGS-fread_u_chk.c += $(libio-mtsafe) -fexceptions
 156 CFLAGS-swprintf_chk.c += $(libio-mtsafe)
 157 CFLAGS-vswprintf_chk.c += $(libio-mtsafe)
 158 CFLAGS-wprintf_chk.c += $(libio-mtsafe) -fexceptions
 159 CFLAGS-fwprintf_chk.c += $(libio-mtsafe) -fexceptions
 160 CFLAGS-vwprintf_chk.c += $(libio-mtsafe) -fexceptions
 161 CFLAGS-vfwprintf_chk.c += $(libio-mtsafe) -fexceptions
 162 CFLAGS-fgetws_chk.c += $(libio-mtsafe) -fexceptions
 163 CFLAGS-fgetws_u_chk.c += $(libio-mtsafe) -fexceptions
 164 CFLAGS-read_chk.c += -fexceptions -fasynchronous-unwind-tables
 165 CFLAGS-pread_chk.c += -fexceptions -fasynchronous-unwind-tables
 166 CFLAGS-pread64_chk.c += -fexceptions -fasynchronous-unwind-tables
 167 CFLAGS-recv_chk.c += -fexceptions -fasynchronous-unwind-tables
 168 CFLAGS-recvfrom_chk.c += -fexceptions -fasynchronous-unwind-tables
 169
 170 # Need to make sure the settings here override what configure might have
 171 # set up for us, so keep the CFLAGS/CPPFLAGS split logical as the order is:
 172 # <user CFLAGS> <test CFLAGS> <user CPPFLAGS> <test CPPFLAGS>
 173 CFLAGS-tst-longjmp_chk.c += -fexceptions -fasynchronous-unwind-tables
 174 CPPFLAGS-tst-longjmp_chk.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
 175 CFLAGS-tst-longjmp_chk2.c += -fexceptions -fasynchronous-unwind-tables
 176 CPPFLAGS-tst-longjmp_chk2.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
 177 CFLAGS-tst-longjmp_chk3.c += -fexceptions -fasynchronous-unwind-tables
 178 CPPFLAGS-tst-longjmp_chk3.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
 179 CPPFLAGS-tst-realpath-chk.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
 180 CPPFLAGS-tst-chk-cancel.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
 181 CFLAGS-tst-sprintf-fortify-rdonly.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
 182 CFLAGS-tst-fortify-syslog.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
 183 CFLAGS-tst-fortify-wide.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
 184
 185 # _FORTIFY_SOURCE tests.
 186 # Auto-generate tests for _FORTIFY_SOURCE for different levels, compilers and
 187 # preprocessor conditions based on tst-fortify.c.
 188 #
 189 # To add a new test condition, define a cflags-$(cond) make variable to set
 190 # CFLAGS for the file.
 191
 192 tests-all-chk = tst-fortify
 193 tests-c-def-chk =
 194 tests-cc-def-chk =
 195 tests-c-time64-chk =
 196 tests-cc-time64-chk =
 197
 198 CFLAGS-tst-fortify.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 199
 200 # No additional flags for the default tests.
 201 define cflags-default
 202 endef
 203
 204 define cflags-lfs
 205 CFLAGS-tst-fortify-$(1)-lfs-$(2)-$(3).$(1) += -D_FILE_OFFSET_BITS=64
 206 endef
 207
 208 define cflags-nongnu
 209 CFLAGS-tst-fortify-$(1)-nongnu-$(2)-$(3).$(1) += -D_LARGEFILE64_SOURCE=1
 210 endef
 211
 212 src-chk-nongnu = \#undef _GNU_SOURCE
 213
 214 # We know these tests have problems with format strings, this is what
 215 # we are testing.  Disable that warning.  They are also testing
 216 # deprecated functions (notably gets) so disable that warning as well.
 217 # And they also generate warnings from warning attributes, which
 218 # cannot be disabled via pragmas, so require -Wno-error to be used.
 219 define gen-chk-test
 220 tests-$(1)-$(4)-chk += tst-fortify-$(1)-$(2)-$(3)-$(4)
 221 CFLAGS-tst-fortify-$(1)-$(2)-$(3)-$(4).$(1) += $(no-fortify-source),-D_FORTIFY_SOURCE=$(3) -Wno-format \
 222                                           -Wno-deprecated-declarations \
 223                                           -Wno-error
 224 $(eval $(call cflags-$(2),$(1),$(3),$(4)))
 225 $(objpfx)tst-fortify-$(1)-$(2)-$(3)-$(4).$(1): tst-fortify.c Makefile
 226         ( echo "/* Autogenerated from Makefile.  */"; \
 227           echo "$(src-chk-$(2))"; \
 228           echo "#include \"tst-fortify.c\"" ) > $$@.tmp
 229         mv $$@.tmp $$@
 230 endef
 231
 232 chk-extensions = c cc
 233 chk-types = default lfs nongnu
 234 # 64 bit time_t implies LFS.
 235 chk-types-time64 = default nongnu
 236 chk-levels = 1 2 3
 237
 238 $(foreach e,$(chk-extensions), \
 239   $(foreach t,$(chk-types), \
 240     $(foreach l,$(chk-levels), \
 241       $(eval $(call gen-chk-test,$(e),$(t),$(l),def)))))
 242
 243 tests-all-chk += $(tests-c-def-chk) $(tests-cc-def-chk)
 244
 245 $(foreach e,$(chk-extensions), \
 246   $(foreach t,$(chk-types-time64), \
 247     $(foreach l,$(chk-levels), \
 248       $(eval $(call gen-chk-test,$(e),$(t),$(l),time64)))))
 249
 250 tests-all-time64-chk += $(tests-c-time64-chk) $(tests-cc-time64-chk)
 251
 252 define link-cc
 253 LDLIBS-$(1) = -lstdc++
 254 endef
 255 $(foreach t,$(tests-cc-def-chk), $(eval $(call link-cc,$(t))))
 256 $(foreach t,$(tests-cc-time64-chk), $(eval $(call link-cc,$(t))))
 257
 258 # backtrace_symbols only works if we link with -rdynamic.  backtrace
 259 # requires unwind tables on most architectures.
 260 CFLAGS-tst-backtrace2.c += -funwind-tables
 261 CFLAGS-tst-backtrace3.c += -funwind-tables
 262 CFLAGS-tst-backtrace4.c += -funwind-tables
 263 CFLAGS-tst-backtrace5.c += -funwind-tables
 264 CFLAGS-tst-backtrace6.c += -funwind-tables
 265 LDFLAGS-tst-backtrace2 = -rdynamic
 266 LDFLAGS-tst-backtrace3 = -rdynamic
 267 LDFLAGS-tst-backtrace4 = -rdynamic
 268 LDFLAGS-tst-backtrace5 = -rdynamic
 269 LDFLAGS-tst-backtrace6 = -rdynamic
 270
 271 CFLAGS-tst-ssp-1.c += -fstack-protector-all
 272
 273 # Disable compiler optimizations around vsprintf (the function under test).
 274 CFLAGS-tst-sprintf-fortify-unchecked.c = \
 275   -fno-builtin-vsprintf -fno-builtin-__vsprintf_chk
 276
 277 tests = \
 278   $(tests-all-chk) \
 279   backtrace-tst \
 280   test-stpcpy_chk \
 281   test-strcpy_chk \
 282   tst-backtrace2 \
 283   tst-backtrace3 \
 284   tst-backtrace4 \
 285   tst-backtrace5 \
 286   tst-backtrace6 \
 287   tst-fortify-wide \
 288   tst-longjmp_chk \
 289   tst-longjmp_chk2 \
 290   tst-realpath-chk \
 291   tst-sprintf-fortify-rdonly \
 292   tst-sprintf-fortify-unchecked \
 293   # tests
 294
 295 tests-time64 += \
 296   $(tests-all-time64-chk) \
 297   # tests-time64
 298
 299 tests-container += \
 300   tst-fortify-syslog \
 301   # tests-container
 302
 303 ifeq ($(have-ssp),yes)
 304 tests += tst-ssp-1
 305 endif
 306
 307 ifeq ($(have-thread-library), yes)
 308 tests += tst-chk-cancel
 309 endif
 310
 311 ifeq (,$(CXX))
 312 tests-unsupported = $(tests-cc-def-chk) $(tests-cc-time64-chk)
 313 endif
 314
 315 extra-libs = libpcprofile
 316 extra-libs-others = $(extra-libs)
 317
 318 libpcprofile-routines = pcprofile
 319 libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
 320
 321 others = pcprofiledump
 322 install-bin = pcprofiledump
 323 install-bin-script = xtrace
 324
 325 generated += xtrace
 326
 327 include ../Rules
 328
 329 ifeq ($(run-built-tests),yes)
 330 LOCALES := de_DE.UTF-8
 331 include ../gen-locales.mk
 332
 333 define chk-gen-locales
 334 $(objpfx)$(1).out: $(gen-locales)
 335 endef
 336 $(foreach t, $(tests-all-chk), $(eval $(call chk-gen-locales,$(t))))
 337 $(foreach t, $(tests-all-time64-chk), $(eval $(call chk-gen-locales,$(t))))
 338 endif
 339
 340 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 341
 342 $(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
 343
 344 $(objpfx)xtrace: xtrace.sh
 345         rm -f $@.new
 346         sed -e 's|@VERSION@|$(version)|' -e 's|@SLIBDIR@|$(sLIBdir)|' \
 347             -e 's|@BINDIR@|$(bindir)|' -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 348             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 349         && rm -f $@ && mv $@.new $@ && chmod +x $@
 350
 351 $(objpfx)tst-chk-cancel: $(shared-thread-library)