debug/Makefile

   1 # Copyright (C) 1998-2023 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   ____longjmp_chk \
  33   asprintf_chk \
  34   backtrace \
  35   backtracesyms \
  36   backtracesymsfd \
  37   chk_fail \
  38   confstr_chk \
  39   dprintf_chk \
  40   explicit_bzero_chk \
  41   fdelt_chk \
  42   fgets_chk \
  43   fgets_u_chk \
  44   fgetws_chk \
  45   fgetws_u_chk \
  46   fortify_fail \
  47   fprintf_chk \
  48   fread_chk \
  49   fread_u_chk \
  50   fwprintf_chk \
  51   getcwd_chk \
  52   getdomainname_chk \
  53   getgroups_chk \
  54   gethostname_chk \
  55   gets_chk \
  56   getwd_chk \
  57   longjmp_chk \
  58   mbsnrtowcs_chk \
  59   mbsrtowcs_chk \
  60   mbstowcs_chk \
  61   memcpy_chk \
  62   memmove_chk \
  63   mempcpy_chk \
  64   memset_chk \
  65   noophooks \
  66   obprintf_chk \
  67   poll_chk \
  68   ppoll_chk \
  69   pread64_chk \
  70   pread_chk \
  71   printf_chk \
  72   read_chk \
  73   readlink_chk \
  74   readlinkat_chk \
  75   readonly-area \
  76   realpath_chk \
  77   recv_chk \
  78   recvfrom_chk \
  79   snprintf_chk \
  80   sprintf_chk \
  81   stack_chk_fail \
  82   stpcpy_chk \
  83   stpncpy_chk \
  84   strcat_chk \
  85   strcpy_chk \
  86   strncat_chk \
  87   strncpy_chk \
  88   swprintf_chk \
  89   ttyname_r_chk \
  90   vasprintf_chk \
  91   vdprintf_chk \
  92   vfprintf_chk \
  93   vfwprintf_chk \
  94   vobprintf_chk \
  95   vprintf_chk \
  96   vsnprintf_chk \
  97   vsprintf_chk \
  98   vswprintf_chk \
  99   vwprintf_chk \
 100   wcpcpy_chk \
 101   wcpncpy_chk \
 102   wcrtomb_chk \
 103   wcscat_chk \
 104   wcscpy_chk \
 105   wcsncat_chk \
 106   wcsncpy_chk \
 107   wcsnrtombs_chk \
 108   wcsrtombs_chk \
 109   wcstombs_chk \
 110   wctomb_chk \
 111   wmemcpy_chk \
 112   wmemmove_chk \
 113   wmempcpy_chk \
 114   wmemset_chk \
 115   wprintf_chk \
 116   $(static-only-routines) \
 117   # routines
 118 static-only-routines := stack_chk_fail_local
 119
 120 # Don't add stack_chk_fail_local.o to libc.a since __stack_chk_fail_local
 121 # is an alias of __stack_chk_fail in stack_chk_fail.o.
 122 elide-routines.o := stack_chk_fail_local
 123
 124 # Building the stack-protector failure routines with stack protection
 125 # is not required since we have already failed a stack check and are
 126 # exiting the process.  However, the local aliases which jump to the
 127 # real routines should still be compiled with stack protection
 128 # (stack_chk_fail_local.c), so that the statically linked parts of the
 129 # library have the expected flags.
 130
 131 CFLAGS-stack_chk_fail.c += $(no-stack-protector)
 132
 133 CFLAGS-backtrace.c += -fno-omit-frame-pointer -funwind-tables
 134 CFLAGS-sprintf_chk.c += $(libio-mtsafe)
 135 CFLAGS-snprintf_chk.c += $(libio-mtsafe)
 136 CFLAGS-vsprintf_chk.c += $(libio-mtsafe)
 137 CFLAGS-vsnprintf_chk.c += $(libio-mtsafe)
 138 CFLAGS-asprintf_chk.c += $(libio-mtsafe)
 139 CFLAGS-vasprintf_chk.c += $(libio-mtsafe)
 140 CFLAGS-obprintf_chk.c += $(libio-mtsafe)
 141 CFLAGS-dprintf_chk.c += $(libio-mtsafe) -fexceptions
 142 CFLAGS-vdprintf_chk.c += $(libio-mtsafe) -fexceptions
 143 CFLAGS-printf_chk.c += $(libio-mtsafe) -fexceptions
 144 CFLAGS-fprintf_chk.c += $(libio-mtsafe) -fexceptions
 145 CFLAGS-vprintf_chk.c += $(libio-mtsafe) -fexceptions
 146 CFLAGS-vfprintf_chk.c += $(libio-mtsafe) -fexceptions
 147 CFLAGS-gets_chk.c += $(libio-mtsafe) -fexceptions
 148 CFLAGS-fgets_chk.c += $(libio-mtsafe) -fexceptions
 149 CFLAGS-fgets_u_chk.c += $(libio-mtsafe) -fexceptions
 150 CFLAGS-fread_chk.c += $(libio-mtsafe) -fexceptions
 151 CFLAGS-fread_u_chk.c += $(libio-mtsafe) -fexceptions
 152 CFLAGS-swprintf_chk.c += $(libio-mtsafe)
 153 CFLAGS-vswprintf_chk.c += $(libio-mtsafe)
 154 CFLAGS-wprintf_chk.c += $(libio-mtsafe) -fexceptions
 155 CFLAGS-fwprintf_chk.c += $(libio-mtsafe) -fexceptions
 156 CFLAGS-vwprintf_chk.c += $(libio-mtsafe) -fexceptions
 157 CFLAGS-vfwprintf_chk.c += $(libio-mtsafe) -fexceptions
 158 CFLAGS-fgetws_chk.c += $(libio-mtsafe) -fexceptions
 159 CFLAGS-fgetws_u_chk.c += $(libio-mtsafe) -fexceptions
 160 CFLAGS-read_chk.c += -fexceptions -fasynchronous-unwind-tables
 161 CFLAGS-pread_chk.c += -fexceptions -fasynchronous-unwind-tables
 162 CFLAGS-pread64_chk.c += -fexceptions -fasynchronous-unwind-tables
 163 CFLAGS-recv_chk.c += -fexceptions -fasynchronous-unwind-tables
 164 CFLAGS-recvfrom_chk.c += -fexceptions -fasynchronous-unwind-tables
 165
 166 # Need to make sure the settings here override what configure might have
 167 # set up for us, so keep the CFLAGS/CPPFLAGS split logical as the order is:
 168 # <user CFLAGS> <test CFLAGS> <user CPPFLAGS> <test CPPFLAGS>
 169 CFLAGS-tst-longjmp_chk.c += -fexceptions -fasynchronous-unwind-tables
 170 CPPFLAGS-tst-longjmp_chk.c += -D_FORTIFY_SOURCE=1
 171 CFLAGS-tst-longjmp_chk2.c += -fexceptions -fasynchronous-unwind-tables
 172 CPPFLAGS-tst-longjmp_chk2.c += -D_FORTIFY_SOURCE=1
 173 CFLAGS-tst-longjmp_chk3.c += -fexceptions -fasynchronous-unwind-tables
 174 CPPFLAGS-tst-longjmp_chk3.c += -D_FORTIFY_SOURCE=1
 175 CPPFLAGS-tst-realpath-chk.c += -D_FORTIFY_SOURCE=2
 176 CPPFLAGS-tst-chk-cancel.c += -D_FORTIFY_SOURCE=2
 177
 178 # _FORTIFY_SOURCE tests.
 179 # Auto-generate tests for _FORTIFY_SOURCE for different levels, compilers and
 180 # preprocessor conditions based on tst-fortify.c.
 181 #
 182 # To add a new test condition, define a cflags-$(cond) make variable to set
 183 # CFLAGS for the file.
 184
 185 tests-all-chk = tst-fortify
 186 tests-c-def-chk =
 187 tests-cc-def-chk =
 188 tests-c-time64-chk =
 189 tests-cc-time64-chk =
 190
 191 CFLAGS-tst-fortify.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 192
 193 # No additional flags for the default tests.
 194 define cflags-default
 195 endef
 196
 197 define cflags-lfs
 198 CFLAGS-tst-fortify-$(1)-lfs-$(2)-$(3).$(1) += -D_FILE_OFFSET_BITS=64
 199 endef
 200
 201 define cflags-nongnu
 202 CFLAGS-tst-fortify-$(1)-nongnu-$(2)-$(3).$(1) += -D_LARGEFILE64_SOURCE=1
 203 endef
 204
 205 src-chk-nongnu = \#undef _GNU_SOURCE
 206
 207 # We know these tests have problems with format strings, this is what
 208 # we are testing.  Disable that warning.  They are also testing
 209 # deprecated functions (notably gets) so disable that warning as well.
 210 # And they also generate warnings from warning attributes, which
 211 # cannot be disabled via pragmas, so require -Wno-error to be used.
 212 define gen-chk-test
 213 tests-$(1)-$(4)-chk += tst-fortify-$(1)-$(2)-$(3)-$(4)
 214 CFLAGS-tst-fortify-$(1)-$(2)-$(3)-$(4).$(1) += -D_FORTIFY_SOURCE=$(3) -Wno-format \
 215                                           -Wno-deprecated-declarations \
 216                                           -Wno-error
 217 $(eval $(call cflags-$(2),$(1),$(3),$(4)))
 218 $(objpfx)tst-fortify-$(1)-$(2)-$(3)-$(4).$(1): tst-fortify.c Makefile
 219         ( echo "/* Autogenerated from Makefile.  */"; \
 220           echo "$(src-chk-$(2))"; \
 221           echo "#include \"tst-fortify.c\"" ) > $$@.tmp
 222         mv $$@.tmp $$@
 223 endef
 224
 225 chk-extensions = c cc
 226 chk-types = default lfs nongnu
 227 # 64 bit time_t implies LFS.
 228 chk-types-time64 = default nongnu
 229 chk-levels = 1 2 3
 230
 231 $(foreach e,$(chk-extensions), \
 232   $(foreach t,$(chk-types), \
 233     $(foreach l,$(chk-levels), \
 234       $(eval $(call gen-chk-test,$(e),$(t),$(l),def)))))
 235
 236 tests-all-chk += $(tests-c-def-chk) $(tests-cc-def-chk)
 237
 238 $(foreach e,$(chk-extensions), \
 239   $(foreach t,$(chk-types-time64), \
 240     $(foreach l,$(chk-levels), \
 241       $(eval $(call gen-chk-test,$(e),$(t),$(l),time64)))))
 242
 243 tests-all-time64-chk += $(tests-c-time64-chk) $(tests-cc-time64-chk)
 244
 245 define link-cc
 246 LDLIBS-$(1) = -lstdc++
 247 endef
 248 $(foreach t,$(tests-cc-def-chk), $(eval $(call link-cc,$(t))))
 249 $(foreach t,$(tests-cc-time64-chk), $(eval $(call link-cc,$(t))))
 250
 251 # backtrace_symbols only works if we link with -rdynamic.  backtrace
 252 # requires unwind tables on most architectures.
 253 CFLAGS-tst-backtrace2.c += -funwind-tables
 254 CFLAGS-tst-backtrace3.c += -funwind-tables
 255 CFLAGS-tst-backtrace4.c += -funwind-tables
 256 CFLAGS-tst-backtrace5.c += -funwind-tables
 257 CFLAGS-tst-backtrace6.c += -funwind-tables
 258 LDFLAGS-tst-backtrace2 = -rdynamic
 259 LDFLAGS-tst-backtrace3 = -rdynamic
 260 LDFLAGS-tst-backtrace4 = -rdynamic
 261 LDFLAGS-tst-backtrace5 = -rdynamic
 262 LDFLAGS-tst-backtrace6 = -rdynamic
 263
 264 CFLAGS-tst-ssp-1.c += -fstack-protector-all
 265
 266 # Disable compiler optimizations around vsprintf (the function under test).
 267 CFLAGS-tst-sprintf-fortify-unchecked.c = \
 268   -fno-builtin-vsprintf -fno-builtin-__vsprintf_chk
 269
 270 tests = backtrace-tst \
 271         tst-longjmp_chk \
 272         test-strcpy_chk \
 273         test-stpcpy_chk \
 274         tst-longjmp_chk2 \
 275         tst-backtrace2 \
 276         tst-backtrace3 \
 277         tst-backtrace4 \
 278         tst-backtrace5 \
 279         tst-backtrace6 \
 280         tst-realpath-chk \
 281         tst-sprintf-fortify-unchecked \
 282         $(tests-all-chk)
 283
 284 tests-time64 += \
 285         $(tests-all-time64-chk) \
 286         # tests-time64
 287
 288 ifeq ($(have-ssp),yes)
 289 tests += tst-ssp-1
 290 endif
 291
 292 ifeq ($(have-thread-library), yes)
 293 tests += tst-chk-cancel
 294 endif
 295
 296 ifeq (,$(CXX))
 297 tests-unsupported = $(tests-cc-def-chk) $(tests-cc-time64-chk)
 298 endif
 299
 300 extra-libs = libpcprofile
 301 extra-libs-others = $(extra-libs)
 302
 303 libpcprofile-routines = pcprofile
 304 libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
 305
 306 others = pcprofiledump
 307 install-bin = pcprofiledump
 308 install-bin-script = xtrace
 309
 310 generated += xtrace
 311
 312 include ../Rules
 313
 314 ifeq ($(run-built-tests),yes)
 315 LOCALES := de_DE.UTF-8
 316 include ../gen-locales.mk
 317
 318 define chk-gen-locales
 319 $(objpfx)$(1).out: $(gen-locales)
 320 endef
 321 $(foreach t, $(tests-all-chk), $(eval $(call chk-gen-locales,$(t))))
 322 $(foreach t, $(tests-all-time64-chk), $(eval $(call chk-gen-locales,$(t))))
 323 endif
 324
 325 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 326
 327 $(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
 328
 329 $(objpfx)xtrace: xtrace.sh
 330         rm -f $@.new
 331         sed -e 's|@VERSION@|$(version)|' -e 's|@SLIBDIR@|$(sLIBdir)|' \
 332             -e 's|@BINDIR@|$(bindir)|' -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 333             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 334         && rm -f $@ && mv $@.new $@ && chmod +x $@
 335
 336 $(objpfx)tst-chk-cancel: $(shared-thread-library)