debug/Makefile

   1 # Copyright (C) 1998-2020 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 # <https://www.gnu.org/licenses/>.
  17
  18 #
  19 #       Sub-makefile for debug portion of the library.
  20 #
  21 subdir  := debug
  22
  23 include ../Makeconfig
  24
  25 headers := execinfo.h
  26
  27 # Note that ptsname_r_chk and getlogin_r are not here, but in
  28 # login/Makefile instead.  If that subdir is omitted from the
  29 # build, its _FORTIFY_SOURCE support will be too.
  30 routines  = backtrace backtracesyms backtracesymsfd noophooks \
  31             memcpy_chk memmove_chk mempcpy_chk memset_chk stpcpy_chk \
  32             strcat_chk strcpy_chk strncat_chk strncpy_chk stpncpy_chk \
  33             sprintf_chk vsprintf_chk snprintf_chk vsnprintf_chk \
  34             printf_chk fprintf_chk vprintf_chk vfprintf_chk \
  35             gets_chk chk_fail readonly-area fgets_chk fgets_u_chk \
  36             read_chk pread_chk pread64_chk recv_chk recvfrom_chk \
  37             readlink_chk readlinkat_chk getwd_chk getcwd_chk \
  38             realpath_chk fread_chk fread_u_chk \
  39             wctomb_chk wcscpy_chk wmemcpy_chk wmemmove_chk wmempcpy_chk \
  40             wcpcpy_chk wcsncpy_chk wcscat_chk wcsncat_chk wmemset_chk \
  41             wcpncpy_chk \
  42             swprintf_chk vswprintf_chk wprintf_chk fwprintf_chk \
  43             vwprintf_chk vfwprintf_chk fgetws_chk fgetws_u_chk \
  44             confstr_chk getgroups_chk ttyname_r_chk \
  45             gethostname_chk getdomainname_chk wcrtomb_chk mbsnrtowcs_chk \
  46             wcsnrtombs_chk mbsrtowcs_chk wcsrtombs_chk mbstowcs_chk \
  47             wcstombs_chk asprintf_chk vasprintf_chk dprintf_chk \
  48             vdprintf_chk obprintf_chk vobprintf_chk \
  49             longjmp_chk ____longjmp_chk \
  50             fdelt_chk poll_chk ppoll_chk \
  51             explicit_bzero_chk \
  52             stack_chk_fail fortify_fail \
  53             $(static-only-routines)
  54 static-only-routines := stack_chk_fail_local
  55
  56 # Don't add stack_chk_fail_local.o to libc.a since __stack_chk_fail_local
  57 # is an alias of __stack_chk_fail in stack_chk_fail.o.
  58 elide-routines.o := stack_chk_fail_local
  59
  60 # Building the stack-protector failure routines with stack protection
  61 # is not required since we have already failed a stack check and are
  62 # exiting the process.  However, the local aliases which jump to the
  63 # real routines should still be compiled with stack protection
  64 # (stack_chk_fail_local.c), so that the statically linked parts of the
  65 # library have the expected flags.
  66
  67 CFLAGS-stack_chk_fail.c += $(no-stack-protector)
  68
  69 CFLAGS-backtrace.c += -fno-omit-frame-pointer -funwind-tables
  70 CFLAGS-sprintf_chk.c += $(libio-mtsafe)
  71 CFLAGS-snprintf_chk.c += $(libio-mtsafe)
  72 CFLAGS-vsprintf_chk.c += $(libio-mtsafe)
  73 CFLAGS-vsnprintf_chk.c += $(libio-mtsafe)
  74 CFLAGS-asprintf_chk.c += $(libio-mtsafe)
  75 CFLAGS-vasprintf_chk.c += $(libio-mtsafe)
  76 CFLAGS-obprintf_chk.c += $(libio-mtsafe)
  77 CFLAGS-dprintf_chk.c += $(libio-mtsafe) -fexceptions
  78 CFLAGS-vdprintf_chk.c += $(libio-mtsafe) -fexceptions
  79 CFLAGS-printf_chk.c += $(libio-mtsafe) -fexceptions
  80 CFLAGS-fprintf_chk.c += $(libio-mtsafe) -fexceptions
  81 CFLAGS-vprintf_chk.c += $(libio-mtsafe) -fexceptions
  82 CFLAGS-vfprintf_chk.c += $(libio-mtsafe) -fexceptions
  83 CFLAGS-gets_chk.c += $(libio-mtsafe) -fexceptions
  84 CFLAGS-fgets_chk.c += $(libio-mtsafe) -fexceptions
  85 CFLAGS-fgets_u_chk.c += $(libio-mtsafe) -fexceptions
  86 CFLAGS-fread_chk.c += $(libio-mtsafe) -fexceptions
  87 CFLAGS-fread_u_chk.c += $(libio-mtsafe) -fexceptions
  88 CFLAGS-swprintf_chk.c += $(libio-mtsafe)
  89 CFLAGS-vswprintf_chk.c += $(libio-mtsafe)
  90 CFLAGS-wprintf_chk.c += $(libio-mtsafe) -fexceptions
  91 CFLAGS-fwprintf_chk.c += $(libio-mtsafe) -fexceptions
  92 CFLAGS-vwprintf_chk.c += $(libio-mtsafe) -fexceptions
  93 CFLAGS-vfwprintf_chk.c += $(libio-mtsafe) -fexceptions
  94 CFLAGS-fgetws_chk.c += $(libio-mtsafe) -fexceptions
  95 CFLAGS-fgetws_u_chk.c += $(libio-mtsafe) -fexceptions
  96 CFLAGS-read_chk.c += -fexceptions -fasynchronous-unwind-tables
  97 CFLAGS-pread_chk.c += -fexceptions -fasynchronous-unwind-tables
  98 CFLAGS-pread64_chk.c += -fexceptions -fasynchronous-unwind-tables
  99 CFLAGS-recv_chk.c += -fexceptions -fasynchronous-unwind-tables
 100 CFLAGS-recvfrom_chk.c += -fexceptions -fasynchronous-unwind-tables
 101
 102 # Need to make sure the settings here override what configure might have
 103 # set up for us, so keep the CFLAGS/CPPFLAGS split logical as the order is:
 104 # <user CFLAGS> <test CFLAGS> <user CPPFLAGS> <test CPPFLAGS>
 105 CFLAGS-tst-longjmp_chk.c += -fexceptions -fasynchronous-unwind-tables
 106 CPPFLAGS-tst-longjmp_chk.c += -D_FORTIFY_SOURCE=1
 107 CFLAGS-tst-longjmp_chk2.c += -fexceptions -fasynchronous-unwind-tables
 108 CPPFLAGS-tst-longjmp_chk2.c += -D_FORTIFY_SOURCE=1
 109 CFLAGS-tst-longjmp_chk3.c += -fexceptions -fasynchronous-unwind-tables
 110 CPPFLAGS-tst-longjmp_chk3.c += -D_FORTIFY_SOURCE=1
 111
 112 # We know these tests have problems with format strings, this is what
 113 # we are testing.  Disable that warning.  They are also testing
 114 # deprecated functions (notably gets) so disable that warning as well.
 115 # And they also generate warnings from warning attributes, which
 116 # cannot be disabled via pragmas, so require -Wno-error to be used.
 117 CFLAGS-tst-chk1.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 118 CFLAGS-tst-chk2.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 119 CFLAGS-tst-chk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 120 CFLAGS-tst-chk4.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 121 CFLAGS-tst-chk5.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 122 CFLAGS-tst-chk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 123 CFLAGS-tst-lfschk1.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 124 CFLAGS-tst-lfschk2.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 125 CFLAGS-tst-lfschk3.c += -Wno-format -Wno-deprecated-declarations -Wno-error
 126 CFLAGS-tst-lfschk4.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 127 CFLAGS-tst-lfschk5.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 128 CFLAGS-tst-lfschk6.cc += -Wno-format -Wno-deprecated-declarations -Wno-error
 129 LDLIBS-tst-chk4 = -lstdc++
 130 LDLIBS-tst-chk5 = -lstdc++
 131 LDLIBS-tst-chk6 = -lstdc++
 132 LDLIBS-tst-lfschk4 = -lstdc++
 133 LDLIBS-tst-lfschk5 = -lstdc++
 134 LDLIBS-tst-lfschk6 = -lstdc++
 135
 136 # backtrace_symbols only works if we link with -rdynamic.  backtrace
 137 # requires unwind tables on most architectures.
 138 CFLAGS-tst-backtrace2.c += -funwind-tables
 139 CFLAGS-tst-backtrace3.c += -funwind-tables
 140 CFLAGS-tst-backtrace4.c += -funwind-tables
 141 CFLAGS-tst-backtrace5.c += -funwind-tables
 142 CFLAGS-tst-backtrace6.c += -funwind-tables
 143 LDFLAGS-tst-backtrace2 = -rdynamic
 144 LDFLAGS-tst-backtrace3 = -rdynamic
 145 LDFLAGS-tst-backtrace4 = -rdynamic
 146 LDFLAGS-tst-backtrace5 = -rdynamic
 147 LDFLAGS-tst-backtrace6 = -rdynamic
 148
 149 CFLAGS-tst-ssp-1.c += -fstack-protector-all
 150
 151 tests = backtrace-tst tst-longjmp_chk tst-chk1 tst-chk2 tst-chk3 \
 152         tst-lfschk1 tst-lfschk2 tst-lfschk3 test-strcpy_chk test-stpcpy_chk \
 153         tst-chk4 tst-chk5 tst-chk6 tst-lfschk4 tst-lfschk5 tst-lfschk6 \
 154         tst-longjmp_chk2 tst-backtrace2 tst-backtrace3 tst-backtrace4 \
 155         tst-backtrace5 tst-backtrace6
 156
 157 ifeq ($(have-ssp),yes)
 158 tests += tst-ssp-1
 159 endif
 160
 161 ifeq (,$(CXX))
 162 tests-unsupported = tst-chk4 tst-chk5 tst-chk6 \
 163                     tst-lfschk4 tst-lfschk5 tst-lfschk6
 164 endif
 165
 166 extra-libs = libSegFault libpcprofile
 167 extra-libs-others = $(extra-libs)
 168
 169 libSegFault-routines = segfault
 170 libSegFault-inhibit-o = $(filter-out .os,$(object-suffixes))
 171
 172 libpcprofile-routines = pcprofile
 173 libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))
 174
 175 others = pcprofiledump
 176 install-bin = pcprofiledump
 177 install-bin-script = xtrace
 178
 179 ifeq ($(build-shared),yes)
 180 install-bin-script += catchsegv
 181 endif
 182 generated += catchsegv xtrace
 183
 184 include ../Rules
 185
 186 ifeq ($(run-built-tests),yes)
 187 LOCALES := de_DE.UTF-8
 188 include ../gen-locales.mk
 189
 190 $(objpfx)tst-chk1.out: $(gen-locales)
 191 $(objpfx)tst-chk2.out: $(gen-locales)
 192 $(objpfx)tst-chk3.out: $(gen-locales)
 193 $(objpfx)tst-chk4.out: $(gen-locales)
 194 $(objpfx)tst-chk5.out: $(gen-locales)
 195 $(objpfx)tst-chk6.out: $(gen-locales)
 196 $(objpfx)tst-lfschk1.out: $(gen-locales)
 197 $(objpfx)tst-lfschk2.out: $(gen-locales)
 198 $(objpfx)tst-lfschk3.out: $(gen-locales)
 199 $(objpfx)tst-lfschk4.out: $(gen-locales)
 200 $(objpfx)tst-lfschk5.out: $(gen-locales)
 201 $(objpfx)tst-lfschk6.out: $(gen-locales)
 202 endif
 203
 204 sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')
 205
 206 $(objpfx)catchsegv: catchsegv.sh $(common-objpfx)soversions.mk \
 207                     $(common-objpfx)config.make
 208         slibpfx=`echo $(slibdir)|sed 's/lib\(64\|\)$$/\\\\\\\\$$LIB/'`; \
 209         sed -e 's|@VERSION@|$(version)|' -e "s|@SLIB@|$$slibpfx|" \
 210             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 211             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $< > $@.new
 212         chmod 555 $@.new
 213         mv -f $@.new $@
 214
 215 $(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o
 216
 217 $(objpfx)xtrace: xtrace.sh
 218         rm -f $@.new
 219         sed -e 's|@BASH@|$(BASH)|' -e 's|@VERSION@|$(version)|' \
 220             -e 's|@SLIBDIR@|$(sLIBdir)|' -e 's|@BINDIR@|$(bindir)|' \
 221             -e 's|@PKGVERSION@|$(PKGVERSION)|' \
 222             -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
 223         && rm -f $@ && mv $@.new $@ && chmod +x $@