about summary refs log tree commit diff
path: root/debug/Makefile
blob: 3903cc97a37063541e1fbf0d294b510865ca811b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
# Copyright (C) 1998-2024 Free Software Foundation, Inc.
# Copyright The GNU Toolchain Authors.
# This file is part of the GNU C Library.

# The GNU C Library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.

# The GNU C Library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.

# You should have received a copy of the GNU Lesser General Public
# License along with the GNU C Library; if not, see
# <https://www.gnu.org/licenses/>.

#
#	Sub-makefile for debug portion of the library.
#
subdir	:= debug

include ../Makeconfig

headers	:= execinfo.h

# Note that ptsname_r_chk and getlogin_r are not here, but in
# login/Makefile instead.  If that subdir is omitted from the
# build, its _FORTIFY_SOURCE support will be too.
routines = \
  $(static-only-routines) \
  ____longjmp_chk \
  asprintf_chk \
  backtrace \
  backtracesyms \
  backtracesymsfd \
  chk_fail \
  confstr_chk \
  dprintf_chk \
  explicit_bzero_chk \
  fdelt_chk \
  fgets_chk \
  fgets_u_chk \
  fgetws_chk \
  fgetws_u_chk \
  fortify_fail \
  fprintf_chk \
  fread_chk \
  fread_u_chk \
  fwprintf_chk \
  getcwd_chk \
  getdomainname_chk \
  getgroups_chk \
  gethostname_chk \
  gets_chk \
  getwd_chk \
  longjmp_chk \
  mbsnrtowcs_chk \
  mbsrtowcs_chk \
  mbstowcs_chk \
  memcpy_chk \
  memmove_chk \
  mempcpy_chk \
  memset_chk \
  noophooks \
  obprintf_chk \
  poll_chk \
  ppoll_chk \
  pread64_chk \
  pread_chk \
  printf_chk \
  read_chk \
  readlink_chk \
  readlinkat_chk \
  readonly-area \
  realpath_chk \
  recv_chk \
  recvfrom_chk \
  snprintf_chk \
  sprintf_chk \
  stack_chk_fail \
  stpcpy_chk \
  stpncpy_chk \
  strcat_chk \
  strcpy_chk \
  strlcat_chk \
  strlcpy_chk \
  strncat_chk \
  strncpy_chk \
  swprintf_chk \
  ttyname_r_chk \
  vasprintf_chk \
  vdprintf_chk \
  vfprintf_chk \
  vfwprintf_chk \
  vobprintf_chk \
  vprintf_chk \
  vsnprintf_chk \
  vsprintf_chk \
  vswprintf_chk \
  vwprintf_chk \
  wcpcpy_chk \
  wcpncpy_chk \
  wcrtomb_chk \
  wcscat_chk \
  wcscpy_chk \
  wcslcat_chk \
  wcslcpy_chk \
  wcsncat_chk \
  wcsncpy_chk \
  wcsnrtombs_chk \
  wcsrtombs_chk \
  wcstombs_chk \
  wctomb_chk \
  wmemcpy_chk \
  wmemmove_chk \
  wmempcpy_chk \
  wmemset_chk \
  wprintf_chk \
  # routines
static-only-routines := stack_chk_fail_local

# Don't add stack_chk_fail_local.o to libc.a since __stack_chk_fail_local
# is an alias of __stack_chk_fail in stack_chk_fail.o.
elide-routines.o := stack_chk_fail_local

# Building the stack-protector failure routines with stack protection
# is not required since we have already failed a stack check and are
# exiting the process.  However, the local aliases which jump to the
# real routines should still be compiled with stack protection
# (stack_chk_fail_local.c), so that the statically linked parts of the
# library have the expected flags.

CFLAGS-stack_chk_fail.c += $(no-stack-protector)

CFLAGS-backtrace.c += -fno-omit-frame-pointer -funwind-tables
CFLAGS-sprintf_chk.c += $(libio-mtsafe)
CFLAGS-snprintf_chk.c += $(libio-mtsafe)
CFLAGS-vsprintf_chk.c += $(libio-mtsafe)
CFLAGS-vsnprintf_chk.c += $(libio-mtsafe)
CFLAGS-asprintf_chk.c += $(libio-mtsafe)
CFLAGS-vasprintf_chk.c += $(libio-mtsafe)
CFLAGS-obprintf_chk.c += $(libio-mtsafe)
CFLAGS-dprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-vdprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-printf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-vprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-vfprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-gets_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fgets_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fgets_u_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fread_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fread_u_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-swprintf_chk.c += $(libio-mtsafe)
CFLAGS-vswprintf_chk.c += $(libio-mtsafe)
CFLAGS-wprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fwprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-vwprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-vfwprintf_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fgetws_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-fgetws_u_chk.c += $(libio-mtsafe) -fexceptions
CFLAGS-read_chk.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-pread_chk.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-pread64_chk.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-recv_chk.c += -fexceptions -fasynchronous-unwind-tables
CFLAGS-recvfrom_chk.c += -fexceptions -fasynchronous-unwind-tables

# Need to make sure the settings here override what configure might have
# set up for us, so keep the CFLAGS/CPPFLAGS split logical as the order is:
# <user CFLAGS> <test CFLAGS> <user CPPFLAGS> <test CPPFLAGS>
CFLAGS-tst-longjmp_chk.c += -fexceptions -fasynchronous-unwind-tables
CPPFLAGS-tst-longjmp_chk.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
CFLAGS-tst-longjmp_chk2.c += -fexceptions -fasynchronous-unwind-tables
CPPFLAGS-tst-longjmp_chk2.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
CFLAGS-tst-longjmp_chk3.c += -fexceptions -fasynchronous-unwind-tables
CPPFLAGS-tst-longjmp_chk3.c += $(no-fortify-source),-D_FORTIFY_SOURCE=1
CPPFLAGS-tst-realpath-chk.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
CPPFLAGS-tst-chk-cancel.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
CFLAGS-tst-sprintf-fortify-rdonly.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
CFLAGS-tst-fortify-syslog.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2
CFLAGS-tst-fortify-wide.c += $(no-fortify-source),-D_FORTIFY_SOURCE=2

# _FORTIFY_SOURCE tests.
# Auto-generate tests for _FORTIFY_SOURCE for different levels, compilers and
# preprocessor conditions based on tst-fortify.c.
#
# To add a new test condition, define a cflags-$(cond) make variable to set
# CFLAGS for the file.

tests-all-chk = tst-fortify
tests-c-def-chk =
tests-cc-def-chk =
tests-c-time64-chk =
tests-cc-time64-chk =

CFLAGS-tst-fortify.c += -Wno-format -Wno-deprecated-declarations -Wno-error

# No additional flags for the default tests.
define cflags-default
endef

define cflags-lfs
CFLAGS-tst-fortify-$(1)-lfs-$(2)-$(3).$(1) += -D_FILE_OFFSET_BITS=64
endef

define cflags-nongnu
CFLAGS-tst-fortify-$(1)-nongnu-$(2)-$(3).$(1) += -D_LARGEFILE64_SOURCE=1
endef

src-chk-nongnu = \#undef _GNU_SOURCE

# We know these tests have problems with format strings, this is what
# we are testing.  Disable that warning.  They are also testing
# deprecated functions (notably gets) so disable that warning as well.
# And they also generate warnings from warning attributes, which
# cannot be disabled via pragmas, so require -Wno-error to be used.
define gen-chk-test
tests-$(1)-$(4)-chk += tst-fortify-$(1)-$(2)-$(3)-$(4)
CFLAGS-tst-fortify-$(1)-$(2)-$(3)-$(4).$(1) += $(no-fortify-source),-D_FORTIFY_SOURCE=$(3) -Wno-format \
					  -Wno-deprecated-declarations \
					  -Wno-error
$(eval $(call cflags-$(2),$(1),$(3),$(4)))
$(objpfx)tst-fortify-$(1)-$(2)-$(3)-$(4).$(1): tst-fortify.c Makefile
	( echo "/* Autogenerated from Makefile.  */"; \
	  echo "$(src-chk-$(2))"; \
	  echo "#include \"tst-fortify.c\"" ) > $$@.tmp
	mv $$@.tmp $$@
endef

chk-extensions = c cc
chk-types = default lfs nongnu
# 64 bit time_t implies LFS.
chk-types-time64 = default nongnu
chk-levels = 1 2 3

$(foreach e,$(chk-extensions), \
  $(foreach t,$(chk-types), \
    $(foreach l,$(chk-levels), \
      $(eval $(call gen-chk-test,$(e),$(t),$(l),def)))))

tests-all-chk += $(tests-c-def-chk) $(tests-cc-def-chk)

$(foreach e,$(chk-extensions), \
  $(foreach t,$(chk-types-time64), \
    $(foreach l,$(chk-levels), \
      $(eval $(call gen-chk-test,$(e),$(t),$(l),time64)))))

tests-all-time64-chk += $(tests-c-time64-chk) $(tests-cc-time64-chk)

define link-cc
LDLIBS-$(1) = -lstdc++
endef
$(foreach t,$(tests-cc-def-chk), $(eval $(call link-cc,$(t))))
$(foreach t,$(tests-cc-time64-chk), $(eval $(call link-cc,$(t))))

# backtrace_symbols only works if we link with -rdynamic.  backtrace
# requires unwind tables on most architectures.
CFLAGS-tst-backtrace2.c += -funwind-tables
CFLAGS-tst-backtrace3.c += -funwind-tables
CFLAGS-tst-backtrace4.c += -funwind-tables
CFLAGS-tst-backtrace5.c += -funwind-tables
CFLAGS-tst-backtrace6.c += -funwind-tables
LDFLAGS-tst-backtrace2 = -rdynamic
LDFLAGS-tst-backtrace3 = -rdynamic
LDFLAGS-tst-backtrace4 = -rdynamic
LDFLAGS-tst-backtrace5 = -rdynamic
LDFLAGS-tst-backtrace6 = -rdynamic

CFLAGS-tst-ssp-1.c += -fstack-protector-all

# Disable compiler optimizations around vsprintf (the function under test).
CFLAGS-tst-sprintf-fortify-unchecked.c = \
  -fno-builtin-vsprintf -fno-builtin-__vsprintf_chk

tests = \
  $(tests-all-chk) \
  backtrace-tst \
  test-stpcpy_chk \
  test-strcpy_chk \
  tst-backtrace2 \
  tst-backtrace3 \
  tst-backtrace4 \
  tst-backtrace5 \
  tst-backtrace6 \
  tst-fortify-wide \
  tst-longjmp_chk \
  tst-longjmp_chk2 \
  tst-realpath-chk \
  tst-sprintf-fortify-rdonly \
  tst-sprintf-fortify-unchecked \
  # tests

tests-time64 += \
  $(tests-all-time64-chk) \
  # tests-time64

tests-container += \
  tst-fortify-syslog \
  # tests-container

ifeq ($(have-ssp),yes)
tests += tst-ssp-1
endif

ifeq ($(have-thread-library), yes)
tests += tst-chk-cancel
endif

ifeq (,$(CXX))
tests-unsupported = $(tests-cc-def-chk) $(tests-cc-time64-chk)
endif

extra-libs = libpcprofile
extra-libs-others = $(extra-libs)

libpcprofile-routines = pcprofile
libpcprofile-inhibit-o = $(filter-out .os,$(object-suffixes))

others = pcprofiledump
install-bin = pcprofiledump
install-bin-script = xtrace

generated += xtrace

include ../Rules

ifeq ($(run-built-tests),yes)
LOCALES := de_DE.UTF-8
include ../gen-locales.mk

define chk-gen-locales
$(objpfx)$(1).out: $(gen-locales)
endef
$(foreach t, $(tests-all-chk), $(eval $(call chk-gen-locales,$(t))))
$(foreach t, $(tests-all-time64-chk), $(eval $(call chk-gen-locales,$(t))))
endif

sLIBdir := $(shell echo $(slibdir) | sed 's,lib\(\|64\)$$,\\\\$$LIB,')

$(objpfx)pcprofiledump: $(objpfx)pcprofiledump.o

$(objpfx)xtrace: xtrace.sh
	rm -f $@.new
	sed -e 's|@VERSION@|$(version)|' -e 's|@SLIBDIR@|$(sLIBdir)|' \
	    -e 's|@BINDIR@|$(bindir)|' -e 's|@PKGVERSION@|$(PKGVERSION)|' \
	    -e 's|@REPORT_BUGS_TO@|$(REPORT_BUGS_TO)|' $^ > $@.new \
	&& rm -f $@ && mv $@.new $@ && chmod +x $@

$(objpfx)tst-chk-cancel: $(shared-thread-library)